Trolley for greenhouses

 

(57) Abstract:

The invention relates to agriculture and can be used in greenhouses when caring for plants and during harvest. Trolley for greenhouse contains a frame, chassis with rollers designed to interact with the guides, and the locking mechanism of the truck on the rails; each roller is placed on a separate hub for movement along the axis of the latter and is spring-loaded relative to the sides; the hub is additionally attached wheels to move out of the guides. The locking mechanism includes intended for interaction with the guide gripping legs that are attached to levers mounted pivotally on the frame with the ability to swing in a vertical transverse plane of the truck, a vertical rod, the elastic is placed on the frame for movement along its axis and rotation around it. The reaction of the connection rod is directed vertically upwards. Secured to the lower end of the rod with the ability to swing around a horizontal axis, the plate is designed to interact with the said levers. The plate is made of two sheets whose horizontal resolution is between the neighboring ends of the levers. This allows to increase the stability of the vehicle during the working of the stops and to facilitate the transport truck. 4 C. p. F.-ly, 3 ill.

The proposed device relates to agriculture and can be used in greenhouses when caring for plants and during harvest. During technological operations with lush plants, placed vertically, used trucks with elevated above the floor areas for the employee. Along the aisles between plots with plants of the cart moves on rollers on rails, for example, using (as a track) a pair of horizontal pipes with coolant heating system.

In practice, greenhouses known trolley [1] , chassis, which contains the rollers, the width of the treadmill which to compensate for changes in the gauge exceeds the diameter of the supporting tube, and a locking mechanism on the guides during the working stop includes installed with the possibility of lateral movement in the transverse plane of the gripping legs that while stopped press to guides (outer side) by the force of the compression spring, the ends of which are secured to the legs. Loose fit roller the bones cause the low resistance of this truck, impending danger of tipping and possible with this injury of the employee, as well as damage to plants and crop damage. The speakers down for the dimensions of the rollers gripping paws exclude the possibility of putting the cart without the use of guides.

The present invention allows to increase the stability of the vehicle during stops working (hence, to increase the height of the platforms to accommodate the employee) and to facilitate transport truck both inside and outside the greenhouse. The invention consists in that truck for greenhouses containing frame, chassis with rollers designed to interact with the guides, and the locking mechanism of the truck on the rails, each roller is placed on a separate hub for movement along the axis of the latter and is spring-loaded relative to the sides, the hub is additionally attached wheels to move out of the guides, of a diameter exceeding the diameter of the roller, and the fixing mechanism includes intended for interaction with the guide gripping legs that are attached to the levers, set the hinge on the frame with the ability to swing in a vertical popc its axis and rotation around it, moreover, the reaction link rod is directed vertically mounted on the lower end with the ability to swing around a horizontal axis, a plate designed to interact with the said levers, when this plate is made of two sheets of horizontal minimum size of the top and bottom length is greater, and the width of the bottom is less than the distance between the near ends of the levers, and means to move the plates. In addition, the cart is further provided with a removable portal site for the employee and the extension rod.

In the particular case of elastic connection rod with the frame is made in the form of covering the rod compression spring disposed between the flange of the rod and fork head plate frame, through which is threaded a rod; means to move the plates includes mounted on the frame with the ability to swing in a vertical plane double lever, the short arm of which is elastically connected with the frame and the plunger, designed for interaction with double lever and the plate; a rod provided with a handle, console installed with the possibility of falling into the gap between the two halves of the double lever (with the release of the latter from the efforts of the employee).

Sha is but entered wheels, move it by rolling (without using vehicles or carriers) and, in addition, choose to reduce the diameter of the wheels. Spring-loaded rollers symmetrical with respect to the guides adjust to any misalignment of the truck when you change the gauge and allow the profile of their treadmill is similar to the profile rails (without excessive increase clearances between the rollers and guides) that in combination with the rocker arm, the ends of which (when you commit cart) covered bifolia swash plate, provides the symmetrical interaction of the two gripper legs with relevant guides and secure fit trucks with different deviations of the track (in particular, gauge) from the nominal position. Increase the stability of the trolley allows you to increase the height of the platforms to accommodate the employee, in particular, to provide a removable trolley portal with additional space. Kinematic chain mechanism fixing the truck gives the ability to control this mechanism both from the platform of the frame and from the platform of the portal.

The device (in the particular case of execution) is illustrated by drawings:

Fig. 1 - General view of the truck; F.

Fig. 2 - wheel uz is and the upper levels are equipped work area. Fixed on the frame axes mounted on the wheel bearings nodes, each of which contains the wheel 3 with the tire mounted on the hub 4 and the roller 5, is placed on the hub 4 can move along its axis. On both sides of the cylindrical roller are mounted compression springs 6 and 7, covering the hub 4 and resting on her shoulder. The diameter of the tire wheel 3 exceeds the diameter of the roller 5. Forming a treadmill roller similar to the profile of the guide (for example, pipes of the heating system). Gripping legs 8 of the locking mechanism mounted on the lever 9 mounted articulated on the frame (on both sides of the truck) with the ability to swing in a vertical transverse plane of the latter. To rotate the levers 9 is a rod 10, the lower end of which with the ability to swing around a horizontal axis mounted plate 11 with a handle 12 and a stopper 13. The rod 10 with its flange lies (with the possibility of rotation around its axis) for covering the compression spring 14, which is supported by the beam tube 15. The upper of the two sheets of plate 11 closes the distance between the ends of the levers 9 at any angle of rotation of the shaft 10 (and thus the plate 11 and the bottom, only when it is their longer side is deployed in the on held in a lowered position the T-shaped clamp 17, with the spring 18, the plunger 19, the pedal 20 and the extension 21 of the rod 10. In the transport position, the gripping legs 8 are raised and fastened on the frame 1 (for example, using loops), the rod 10 is raised and the plate 11 is located above the levers 9.

For transfer trucks, installed on the rails, in the working position is first released from the fastening gripper legs 8, turn the handle 12 of the rod 10 so that the bottom sheet plates 11 of its less than the long side is located in alignment with the gap between the levers 9 (the axis of the swing plates will be located in the plane of the levers), and deploy the T-shaped clamp 17 shoulders along the double lever 16. Then, acting (by pressing the lever handle 16) using the latest on the plunger 19, the lower caradco 11 to lock the upper sheet plate 11 in the ends of the levers 9, compressing the spring 14 and stretching the spring 18. Next, hold the lever 16 in the lowered position of the handle (you can use the T-shaped clamp 17, deploying it across shoulders double lever 16), turn (90 degrees) shaft 10 (the axis of the swing plate 11 will be perpendicular to the plane of the levers 9) so that the ends of the levers 9 are caught in between sheets of plate 11, and weaken the force on the lever handle 16.

SOURCES OF INFORMATION

1. Trolley for greenhouses (TT 250.00-01). - SPb. : JSC "Nevsky", 1991.

1. Trolley for greenhouses, characterized in that it includes a frame, chassis with rollers designed to interact with the guides, and each roller is placed on a separate hub for movement along the axis of the latter and is spring-loaded relative to the sides, mounted on each side of the truck at least one hub wheel, prednaznachennaya, including designed to interact with the guides gripping legs that are attached to levers mounted pivotally on the frame with the ability to swing in a vertical transverse plane of the truck, a vertical rod, the elastic is placed on the frame for movement along its axis and rotation around it, and the reaction link rod in an upright position, secured to the lower end with the ability to swing around a horizontal axis, a plate designed to interact with the said levers, when this plate is made of two sheets of horizontal minimum size of the top and bottom length more and the width of the bottom is less than the distance between the near ends of the levers, and means to move the plate.

2. Trolley for greenhouses under item 1, characterized in that the elastic connection rod with the frame is made in the form of covering the rod compression spring disposed between the flange of the rod and sleeve cross beam of the frame, through which is threaded a rod.

3. Trolley for greenhouses under item 1, characterized in that the means of moving plates includes mounted on the frame with the ability to swing in a vertical plane double double lever and the plate.

4. Trolley for greenhouses under item 1, characterized in that is provided with a detachable portal site for the employee and the extension rod.

5. Trolley for greenhouses on PP. 1 and 3, characterized in that the rod is fitted with a handle, console installed with the possibility of falling into the gap between the two halves of the double lever.

 

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