Forklift auxiliary frame

By designing a forklift auxiliary frame and using hydraulic cylinders and gear mechanisms to adjust the position of the baffle, the problem of goods swaying on uneven surfaces is solved, achieving stable clamping and storage functions, and improving the safety and efficiency of the forklift.

CN223804841UActive Publication Date: 2026-01-16QINGDAO SPECIAL EQUIP INSPECTION & RES INST
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520463465.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-17
Publication Date
2026-01-16
Estimated Expiration
2035-03-17

AI Technical Summary

Technical Problem

When a forklift is lifting or lowering a pallet, or when it encounters uneven surfaces, the goods on the pallet are prone to swaying and tipping over. Also, when picking up a pallet, it is necessary to avoid having any objects obstructing the forks above them.

Method used

A forklift auxiliary frame was designed, comprising a linear guide rail, a double-outlet hydraulic cylinder, and a moving mechanism. The moving mechanism is driven by the hydraulic cylinder to adjust the distance, and the rotation of the baffle is achieved by the cooperation of rack and pinion to clamp or store goods.

Benefits of technology

It achieves stable clamping of goods of different widths, preventing goods from shaking, and the baffle is retracted when the goods are forked, improving the safety and stability of goods transportation.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223804841U_ABST
    Figure CN223804841U_ABST
Patent Text Reader

Abstract

The utility model relates to a forklift auxiliary frame which comprises a linear guide rail, a double-outlet-rod hydraulic cylinder and two sets of moving mechanisms, a guide rail of the linear guide rail is installed at the top end of a forklift cargo blocking frame, and the moving mechanisms are installed on sliding blocks of the linear guide rail. A cylinder body of the double-outlet-rod hydraulic cylinder is installed on the front face of the forklift goods blocking frame, and the tail ends of two piston rods of the double-outlet-rod hydraulic cylinder are connected with the side face of the moving mechanism through bolts respectively. A double-acting hydraulic cylinder, a rack and at least two gears are installed on each moving mechanism, the top of the rack is connected with the top end of a piston rod of the double-acting hydraulic cylinder through an adapter block, the rack is meshed with the gears, and a goods blocking plate used for blocking the side faces of goods is installed at one end of each gear. The device has the beneficial effects that the double-outlet-rod hydraulic cylinder is used for driving the two moving mechanisms to move so as to adjust the distance between the two moving mechanisms, and therefore the device is suitable for goods with different widths; when goods need to be clamped, the goods blocking plate clamps the goods, and when the goods are forked by the pallet fork, the goods blocking plate is stored in the moving mechanism.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to a fork truck technical field especially relates to a fork truck auxiliary frame. BACKGROUND

[0002] The fork truck is a kind of special operation vehicle, mainly used for the loading and unloading, handling, stacking of goods. The fork truck uses fork to insert the bottom of goods pallet to fork up goods, but the fork is in the lifting process and the fork truck meets uneven road, and the forked goods pallet is easy to shake, and there is the risk of falling, but the fork needs to be above the fork without object to hinder the fork of goods when the fork takes goods pallet, so a fork truck auxiliary frame capable of accommodating and adjusting distance is needed. SUMMARY

[0003] The utility model aims at overcoming the above problems existing in prior art, provide a fork truck auxiliary frame.

[0004] To realize the above technical purpose, achieve the above technical effect, the utility model realizes through the following technical scheme:

[0005] A fork truck auxiliary frame, including linear guide rail, double-out bar hydraulic cylinder, two groups of symmetrical arrangement's moving mechanism, the guide rail of linear guide rail is installed at the top of fork truck goods blocking frame, the moving mechanism is installed on the slider of linear guide rail;The cylinder body of double-out bar hydraulic cylinder is installed at the front of fork truck goods blocking frame, and the two piston rods of double-out bar hydraulic cylinder are respectively connected with the side of moving mechanism by bolt;Each group of moving mechanism is installed one double-acting hydraulic cylinder, one rack, at least two gears, the top of rack is connected with the top end of the piston rod of double-acting hydraulic cylinder through adapter block, the rack is engaged with the gear, and the gear is installed with the blocking plate for blocking the side of goods at one end.

[0006] Wherein, the moving mechanism includes backboard, side plate, bearing mounting plate, hydraulic cylinder mounting plate, the side plate is vertically installed at the front side of backboard, and the piston rod end of double-out bar hydraulic cylinder is connected with the side plate by bolt;The front of backboard is installed at least two pairs of bearing mounting plates, the center of bearing mounting plate is installed with ball bearing, the gear and blocking plate are hinged through gear shaft and two ball bearings in the same pair of bearing mounting plates;The hydraulic cylinder mounting plate is installed at the top of the top pair of bearing mounting plates, and the cylinder body bottom of double-acting hydraulic cylinder is installed at the top of hydraulic cylinder mounting plate.

[0007] Wherein, the back of backboard is installed with connecting plate, the connecting plate is connected with the slider of linear guide rail by bolt, and the connecting plate and the back of backboard are further installed with first reinforcing plate of right-angled trapezoidal shape.

[0008] The back plate has a limiting block installed on its front side, the rack is located between the limiting block and the bearing mounting plate away from the side plate, and the distance between the limiting block and the bearing mounting plate away from the side plate is equal to the width of the rack.

[0009] A guide mechanism is also installed between the two sets of moving mechanisms. The guide mechanism includes a guide sleeve and two guide rods. The guide sleeve is installed on the front of the forklift rack. One end of the guide rod is inserted into the guide sleeve, and the other end of the guide rod is connected to the side plate by bolts.

[0010] The front end of the guide sleeve and the front end of the double-rod hydraulic cylinder are located on the same plane.

[0011] The beneficial effects of this utility model are as follows: the forklift auxiliary frame is installed on the forklift rack via a linear guide rail; a double-acting hydraulic cylinder drives two sets of moving mechanisms to adjust the distance between them, thus making it suitable for goods of different widths; a double-acting hydraulic cylinder drives the rack to move linearly, and the rack and gear work together to rotate the baffle plate to a state perpendicular to or parallel to the rack, so that the baffle plate clamps the goods when needed, and the baffle plate is stored in the moving mechanism when the forks lift the goods. Attached Figure Description

[0012] The accompanying drawings, which are included to provide a further understanding of the present invention and form part of this application, illustrate exemplary embodiments of the present invention and, together with the description thereof, serve to explain the present invention and do not constitute an undue limitation thereof. In the drawings:

[0013] Fig. 1 This is a schematic diagram of the structure of the forklift auxiliary frame as observed from the front when the baffle is in the unfolded state.

[0014] Fig. 2 This is a schematic diagram of the structure of the forklift auxiliary frame as viewed from the rear when the baffle is in the unfolded state.

[0015] Fig. 3 This is a schematic diagram of the structure of the forklift auxiliary frame as viewed from the front when the baffle is in the retracted state.

[0016] Fig. 4 This is a schematic diagram of the moving mechanism in this utility model;

[0017] The following are the labels in the diagram: 1. Linear guide rail; 2. Double-outlet hydraulic cylinder; 3. Moving mechanism; 31. Back plate; 32. Side plate; 33. Bearing mounting plate; 34. Hydraulic cylinder mounting plate; 35. Ball bearing; 36. Connecting plate; 37. First reinforcing plate; 38. Limiting block; 4. Double-acting hydraulic cylinder; 5. Rack; 6. Gear; 7. Adapter block; 8. Stop plate; 9. Guide mechanism; 91. Guide sleeve; 92. Guide rod. DETAILED DESCRIPTION

[0018] The utility model will be described below in detail with reference to the drawings and in combination with the embodiments.

[0019] As Figs. 1 to 4 shown, a forklift auxiliary frame, including linear guide rail 1, double out bar hydraulic cylinder 2, two groups of symmetrical arrangement of moving mechanism 3, moving mechanism 3 includes backplate 31, side plate 32, bearing mounting plate 33, hydraulic cylinder mounting plate 34, side plate 32 is vertically installed in the front side of backplate 31, and the front side of backplate 31 is installed at least two pairs of bearing mounting plate 33, and the centre of bearing mounting plate 33 is installed ball bearing 35, and hydraulic cylinder mounting plate 34 is installed in the top end of the bearing mounting plate 33 located at the top.

[0020] The guide rail of linear guide rail 1 is installed at the top end of forklift goods blocking frame, and moving mechanism 3 is installed on the slider of linear guide rail 1, and specifically, the back of backplate 31 is installed with connecting plate 36, connecting plate 36 is connected with the slider of linear guide rail 1 by bolt, and right-angle trapezoidal first reinforcing plate 37 is further installed between connecting plate 36 and the back of backplate 31.

[0021] The cylinder body of double out bar hydraulic cylinder 2 is installed at the front of forklift goods blocking frame, and the two piston rod ends of double out bar hydraulic cylinder 2 are bolted with the side of moving mechanism 3, and specifically, the piston rod end of double out bar hydraulic cylinder 2 is bolted with side plate 32,

[0022] One double-acting hydraulic cylinder 4, one rack 5 and at least two gears 6 are installed on each group of moving mechanism 3, the cylinder body bottom end of double-acting hydraulic cylinder 4 is installed at the top end of hydraulic cylinder mounting plate 34, the top of rack 5 is connected with the piston rod top end of double-acting hydraulic cylinder 4 through adapter block 7, gear 6 and goods blocking plate 8 are hinged with two ball bearings 35 in the same pair of bearing mounting plates 33 through gear shaft, rack 5 is engaged with gear 6, and the back of rack is in sliding contact with the front of backplate, and one end of gear 6 is installed with goods blocking plate 8 for blocking the side of goods.

[0023] In order to prevent the rack from shaking along the width direction of the rack during reciprocating motion, limit block 38 is installed on the front of backplate 31, rack 5 is located between limit block 38 and bearing mounting plate 33 away from side plate 32, and the distance between limit block 38 and bearing mounting plate 33 away from side plate 32 is equal to the width of rack 5.

[0024] In order to further improve the stability of the movement of the two groups of moving mechanism, guiding mechanism 9 is further installed between the two groups of moving mechanism 3, guiding mechanism 9 includes one guiding sleeve 91 and two guiding rods 92, guiding sleeve 91 is installed at the front of forklift goods blocking frame, one end of guiding rod 92 is inserted into guiding sleeve 91, and the other end of guiding rod 92 is connected with side plate 32 through bolt.

[0025] The front end of the guide sleeve 91 is located in the same plane as the front end of the double-rod hydraulic cylinder 2.

[0026] The auxiliary frame of the forklift is installed on the forklift blocking frame through the linear guide rail, two groups of moving mechanisms are driven by the double-rod hydraulic cylinder to move to adjust the distance between the two groups of moving mechanisms, thereby being suitable for goods of different widths; the rack linearly moves by the driving of the double-acting hydraulic cylinder, the blocking plate is rotated to the state of being perpendicular to the rack or parallel to the rack by the cooperation of the rack and the gear, the blocking plate clamps the goods when it is needed to clamp the goods, and the blocking plate is stored in the moving mechanism when the goods are lifted by the forks.

[0027] The basic principle, main features and advantages of the utility model are shown and described above. It should be understood by the skilled in the art that the utility model is not limited by the above-mentioned embodiments, the above-mentioned embodiments and the description in the specification are only to illustrate the principle of the utility model, various changes and improvements of the utility model can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed.

Claims

1. A fork truck assist frame, characterized by: The fork truck blocking goods shelf comprises straight line guide rails, double-out-rod hydraulic cylinders and two groups of symmetrical moving mechanisms, the guide rails of the straight line guide rails are installed at the top end of the fork truck blocking goods shelf, and the moving mechanisms are installed on the sliding blocks of the straight line guide rails; the cylinder bodies of the double-out-rod hydraulic cylinders are installed on the front face of the fork truck blocking goods shelf, the two piston rods of the double-out-rod hydraulic cylinders are respectively connected with the side faces of the moving mechanisms through bolts; one double-acting hydraulic cylinder, one rack and at least two gears are installed on each group of the moving mechanisms, the top of the rack is connected with the top end of the piston rod of the double-acting hydraulic cylinder through an adapter block, the rack is engaged with the gears, and one end of the gears is provided with a blocking plate used for blocking the side face of goods.

2. The fork truck auxiliary frame of claim 1, wherein: The moving mechanism comprises a back plate, a side plate, bearing mounting plates and hydraulic cylinder mounting plates, the side plate is vertically installed on the front face of the back plate, and the end of the piston rod of the double-out-rod hydraulic cylinder is connected with the side plate through a bolt; at least two pairs of bearing mounting plates are installed on the front face of the back plate, ball bearings are installed in the centers of the bearing mounting plates, the gears and the blocking plate are hinged with the two ball bearings in the same pair of bearing mounting plates through a gear shaft, and the cylinder body of the double-acting hydraulic cylinder is installed at the top end of the hydraulic cylinder mounting plate.

3. The fork truck auxiliary frame of claim 2, wherein: A connecting plate is installed on the back face of the back plate, the connecting plate is connected with the sliding block of the straight line guide rail through a bolt, and a first reinforcing plate in the shape of a right trapezoid is further installed between the connecting plate and the back face of the back plate.

4. The fork truck auxiliary frame of claim 2, wherein: A limiting block is installed on the front face of the back plate, the rack is located between the limiting block and the bearing mounting plate away from the side plate, and the distance between the limiting block and the bearing mounting plate away from the side plate is equal to the width of the rack.

5. The fork truck auxiliary frame of claim 2, wherein: A guide mechanism is further installed between the two groups of moving mechanisms, the guide mechanism comprises a guide sleeve and two guide rods, the guide sleeve is installed on the front face of the fork truck blocking goods shelf, one end of the guide rod is inserted into the guide sleeve, and the other end of the guide rod is connected with the side plate through a bolt.

6. The fork truck auxiliary frame of claim 5, wherein: The front end of the guide sleeve is located on the same plane as the front end of the double-out-rod hydraulic cylinder.