Scissor fork lifting device

Abstract

The shear fork lifting device comprises a top plate, a bottom plate, a self-locking motor, a rotating shaft, a rope, a first supporting plate and a second supporting plate, a connecting assembly is arranged between the first supporting plate and the second supporting plate, a guiding assembly is arranged between the top plate and the bottom plate, and a limiting assembly is arranged on one side of the bottom plate; the connecting assembly comprises a connecting groove formed between the first supporting plate and the second supporting plate, a connecting frame is arranged in the connecting groove, a baffle is rotationally installed at one end of the connecting frame, and a square groove is formed in one side of the connecting frame. According to the shear fork lifting device, through the arranged connecting assembly, a worker can conveniently and rapidly mount or dismount the first supporting plate and the second supporting plate, so that the situation that bolts need to be mounted and dismounted one by one when the first supporting plate and the second supporting plate are overhauled and replaced is prevented, and the use efficiency of the shear fork lifting device is improved.

Description

Technical Field

[0001] The invention relates to the technical field of lifting devices, and in particular to a scissor lift device. Background Art

[0002] At present, the development of lifting mechanism is at a peak. The scissor lift device relies on the expansion and folding of the scissor support frame to complete the lifting of the upper platform, so as to achieve the purpose of lifting and transporting goods. Its power is to push the expansion and folding of the scissors through the extension and contraction of the linear motion unit. Due to the strong structure, large load capacity, stable lifting, simple and convenient installation and maintenance of the hydraulic lift, it is an economical and practical ideal cargo transportation equipment to replace elevators between low floors.

[0003] When a common scissors lift device is in use, the motor on the top plate is started to drive the rotating shaft to rotate, the rotating shaft wraps the rope, the rope drives the bottom plate to move, the first support plate slides in the top plate and the bottom plate respectively, and the first support plate cooperates with the second support plate to guide the movement of the bottom plate.

[0004] However, when a common scissor lift device is in use, the first support plate and the second support plate are connected by bolts, so that when the first support plate and the second support plate are inspected and replaced, the bolts need to be installed and removed one by one, thereby reducing the use efficiency of the scissor lift device. Therefore, it is urgent to design a scissor lift device to solve the above problems. Summary of the invention

[0005] The object of the present invention is to provide a scissor lift device to solve the above-mentioned deficiencies in the prior art.

[0006] In order to achieve the above object, the present invention provides the following technical solutions:

[0007] It includes a top plate, a bottom plate, a self-locking motor, a rotating shaft, a rope, a first support plate and a second support plate, a connecting component is arranged between the first support plate and the second support plate, a guiding component is arranged between the top plate and the bottom plate, and a limiting component is arranged on one side of the bottom plate;

[0008] The connecting assembly includes a connecting groove opened between the first supporting plate and the second supporting plate, a connecting frame is arranged in the connecting groove, a baffle is rotatably installed at one end of the connecting frame, a square groove is opened on one side of the connecting frame, a square plate is slidably installed in the square groove, a support rod is rotatably installed on one side of the square plate, and the support rod is rotatably connected to the baffle.

[0009] The connecting assembly enables the staff to quickly install or disassemble the first support plate and the second support plate, thereby preventing the need to install and disassemble the bolts one by one when inspecting and replacing the first support plate and the second support plate, thereby increasing the use efficiency of the scissor lift device.

[0010] A retaining ring is fixedly installed on the outer surface of the connecting frame, and a retaining handle is fixedly installed on the outer surface of the connecting frame.

[0011] A first fixing plate is fixedly installed in the connecting frame, a second fixing plate is fixedly installed on one side of the square plate, and a first spring is fixedly installed between the first fixing plate and the second fixing plate.

[0012] A first support frame is fixedly installed on the top of the top plate, the rotating shaft is rotatably installed on one side of the first support frame, a second support frame is fixedly installed on one side of the first support frame, the self-locking motor is fixedly installed on one side of the second support frame, the rotating shaft is connected to the output end of the self-locking motor, and the rope is wrapped around the outer surface of the rotating shaft.

[0013] A connecting shaft is rotatably installed between the first support frames, the connecting shaft is connected to the rotating shaft, a transmission belt is sleeved between the connecting shafts, the first support plates are respectively arranged in the top plate and the bottom plate, and the second support plates are respectively rotatably installed in the top plate and the bottom plate.

[0014] The guide assembly includes a first guide plate, a second guide plate, a third guide plate and a buckle, the first guide plate is arranged on the top of the base plate, the buckle is arranged between the first guide plate and the base plate, a first guide groove is opened on the top of the first guide plate, and the second guide plate is slidably installed in the first guide groove.

[0015] A second guide groove is formed on the top of the second guide plate, and the third guide plate is slidably installed in the second guide groove. The third guide plate is fixedly connected to the top plate.

[0016] The limit assembly includes a limit frame, a movable plate, a second spring, a pressing plate, a first clamping plate, a second clamping plate and a square block. The limit frame is fixedly installed on one side of the base plate. A groove is provided on one side of the limit frame. The movable plate is slidably installed in the limit frame.

[0017] The second spring is fixedly installed between the moving plate and the limiting frame, and the pressing plate is fixedly installed on one side of the moving plate.

[0018] The first clamping plate is fixedly mounted on one side of the moving plate, the second clamping plate is arranged in the groove, the square block is fixedly mounted on the top of the second clamping plate, and the square block is fixedly connected to the rope.

[0019] In the above technical solution, the scissor lift device provided by the present invention has the following beneficial effects:

[0020] 1. The connecting assembly can facilitate the staff to quickly install or disassemble the first support plate and the second support plate, thereby preventing the need to install and disassemble the bolts one by one when the first support plate and the second support plate are inspected and replaced, thereby increasing the use efficiency of the scissor lift device.

[0021] 2. The guide assembly can guide and limit the movement of the base plate, thereby improving the stability of the scissor lift device during use.

[0022] 3. The limit assembly can limit and fix the rope and the bottom plate, making it convenient for the staff to inspect and replace the bottom plate, thereby improving the use efficiency of the scissor lift device. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present invention. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0024] Figure 1 A schematic diagram of the top plate structure provided for an embodiment of the scissor lift device of the present invention.

[0025] Figure 2 A schematic diagram of the first support plate structure provided for an embodiment of the scissors lift device of the present invention.

[0026] Figure 3 A schematic diagram of the structure of a connecting assembly provided in an embodiment of a scissor lift device of the present invention.

[0027] Figure 4 A schematic diagram of the connecting shaft structure provided for an embodiment of the scissor lift device of the present invention.

[0028] Figure 5 A schematic diagram of the structure of a limit assembly provided for an embodiment of a scissor lift device of the present invention.

[0029] Figure 6 A schematic diagram of the guide assembly structure provided for an embodiment of the scissor lift device of the present invention.

[0030] Description of reference numerals:

[0031] 1. Top plate; 2. Bottom plate; 3. Self-locking motor; 4. Rotating shaft; 5. Rope; 6. First support plate; 7. Second support plate; 8. Connecting assembly; 9. Guide assembly; 10. Limit assembly; 11. Connecting groove; 12. Connecting frame; 13. Baffle plate; 14. Square groove; 15. Square plate; 16. Support rod; 17. Baffle ring; 18. Baffle handle; 21. First fixed plate; 22. Second fixed plate; 23. First spring; 24. First support frame; 25. Second support frame; 26. Connecting shaft; 27. Transmission belt; 28. First guide plate; 29. ​​Second guide plate; 30. Third guide plate; 31. Buckle; 32. First guide groove; 33. Second guide groove; 34. Limiting frame; 35. Moving plate; 36. Second spring; 37. Press plate; 38. First clamping plate; 39. Second clamping plate; 40. Square block; 41. Groove. DETAILED DESCRIPTION

[0032] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings.

[0033] like Figure 1-6 As shown, a scissor lift device is provided in an embodiment of the present invention.

[0034] It includes a top plate 1, a bottom plate 2, a self-locking motor 3, a rotating shaft 4, a rope 5, a first support plate 6 and a second support plate 7, a connecting component 8 is arranged between the first support plate 6 and the second support plate 7, a guiding component 9 is arranged between the top plate 1 and the bottom plate 2, and a limiting component 10 is arranged on one side of the bottom plate 2;

[0035] The connecting assembly 8 includes a connecting groove 11 provided between the first supporting plate 6 and the second supporting plate 7, a connecting frame 12 is provided in the connecting groove 11, a baffle 13 is rotatably installed at one end of the connecting frame 12, a square groove 14 is provided on one side of the connecting frame 12, a square plate 15 is slidably installed in the square groove 14, a support rod 16 is rotatably installed on one side of the square plate 15, the support rod 16 is rotatably connected to the baffle 13, the hand-held gear handle 18 is held and the square plate 15 is squeezed, the square plate 15 squeezes the first spring 23 through the second fixing plate 22, the square plate 15 drives the support rod 16 to move, the support rod 16 drives the baffle 13 to move, so that the limiting fixation on the connecting frame 12 is released, after the limiting fixation of the baffle 13 on the connecting frame 12 is released, the hand-held gear handle 18 is held and the square plate 15 is squeezed, the square plate 15 squeezes the first spring 23 through the second fixing plate 22, the square plate 15 drives the support rod 16 to move, and the support rod 16 drives the baffle 13 to move, so that the baffle 13 is released. The stopper 18 drives the connecting frame 12 to move, so that the connecting frame 12 is pulled out from the connecting groove 11, so that the connection between the first support plate 6 and the second support plate 7 is released, and the first support plate 6 and the second support plate 7 are inspected and repaired. After the inspection and repair of the first support plate 6 and the second support plate 7 are completed, the connecting grooves 11 of the first support plate 6 and the second support plate 7 are made to correspond. Referring to the above steps, the stopper 18 is held and the connecting frame 12 is inserted into the connecting groove 11 to connect the first support plate 6 and the second support plate 7, and the square plate 15 is released. The first spring 23 squeezes the square plate 15 through the second fixed plate 22, and the square plate 15 drives the baffle plate 13 to move through the support rod 16, so that the baffle plate 13 and the baffle ring 17 limit the connecting frame 12.

[0036] The connecting assembly 8 can facilitate the staff to quickly install or disassemble the first support plate 6 and the second support plate 7, thereby preventing the need to install and disassemble the bolts one by one when inspecting and replacing the first support plate 6 and the second support plate 7, thereby increasing the use efficiency of the scissors lift device.

[0037] Reference Figure 3 In this embodiment, a retaining ring 17 is fixedly mounted on the outer surface of the connecting frame 12, and a retaining handle 18 is fixedly mounted on the outer surface of the connecting frame 12.

[0038] A first fixing plate 21 is fixedly installed in the connecting frame 12 , a second fixing plate 22 is fixedly installed on one side of the square plate 15 , and a first spring 23 is fixedly installed between the first fixing plate 21 and the second fixing plate 22 .

[0039] Reference Figure 4 In this embodiment, a first support frame 24 is fixedly installed on the top of the top plate 1, a rotating shaft 4 is rotatably installed on one side of the first support frame 24, a second support frame 25 is fixedly installed on one side of the first support frame 24, a self-locking motor 3 is fixedly installed on one side of the second support frame 25, the rotating shaft 4 is connected to the output end of the self-locking motor 3, and a rope 5 is wrapped around the outer surface of the rotating shaft 4.

[0040] A connecting shaft 26 is rotatably installed between the first support frames 24, the connecting shaft 26 is connected to the rotating shaft 4, a transmission belt 27 is sleeved between the connecting shafts 26, the first support plates 6 are respectively arranged in the top plate 1 and the bottom plate 2, and the second support plates 7 are respectively rotatably installed in the top plate 1 and the bottom plate 2.

[0041] Reference Figure 6 The guide assembly 9 of this embodiment includes a first guide plate 28, a second guide plate 29, a third guide plate 30 and a buckle 31. The first guide plate 28 is arranged on the top of the base plate 2, the buckle 31 is arranged between the first guide plate 28 and the base plate 2, and a first guide groove 32 is opened on the top of the first guide plate 28. The second guide plate 29 is slidably installed in the first guide groove 32.

[0042] The guide assembly 9 can guide and limit the movement of the base plate 2, thereby improving the stability of the scissor lift device during use.

[0043] A second guide groove 33 is defined at the top of the second guide plate 29 , and the third guide plate 30 is slidably mounted in the second guide groove 33 . The third guide plate 30 is fixedly connected to the top plate 1 .

[0044] Reference Figure 5 The limiting assembly 10 of this embodiment includes a limiting frame 34, a movable plate 35, a second spring 36, a pressing plate 37, a first clamping plate 38, a second clamping plate 39 and a square block 40. The limiting frame 34 is fixedly installed on one side of the base plate 2. A groove 41 is provided on one side of the limiting frame 34. The movable plate 35 is slidably installed in the limiting frame 34. The connection between the base plate 2, the first support plate 6 and the second support plate 7 by the connecting assembly 8 is released. The pressing plate 37 is squeezed to drive the movable plate 35 to move. The movable plate 35 squeezes the second spring 36. The movable plate 35 drives the first clamping plate 38 to move, so that the limiting fixation of the second clamping plate 39 is released. The square block 40 is held to drive the second clamping plate 39 to move and remove it from the groove 41, so that the limiting fixation between the rope 5 and the base plate 2 is released.

[0045] The limiting assembly 10 can limit and fix the rope 5 and the base plate 2, so that it is convenient for the staff to inspect and replace the base plate 2, thereby improving the use efficiency of the scissor lift device.

[0046] The second spring 36 is fixedly installed between the moving plate 35 and the limiting frame 34 , and the pressing plate 37 is fixedly installed on one side of the moving plate 35 .

[0047] The first clamping plate 38 is fixedly mounted on one side of the moving plate 35 , the second clamping plate 39 is disposed in the groove 41 , the square block 40 is fixedly mounted on the top of the second clamping plate 39 , and the square block 40 is fixedly connected to the rope 5 .

[0048] Working principle: first, hold the stopper 18 and squeeze the square plate 15, the square plate 15 squeezes the first spring 23 through the second fixed plate 22, the square plate 15 drives the support rod 16 to move, the support rod 16 drives the baffle 13 to move, so that it releases the limit fixation on the connecting frame 12, after the baffle 13 releases the limit fixation on the connecting frame 12, hold the stopper 18 and drive the connecting frame 12 to move, so that the connecting frame 12 is pulled out from the connecting groove 11, so that the connection between the first support plate 6 and the second support plate 7 is released, and the first support plate 6 and the second support plate 7 are inspected and repaired. After the inspection and repair of the first support plate 6 and the second support plate 7 are completed, the connecting grooves 11 of the first support plate 6 and the second support plate 7 are made to correspond. Referring to the above steps, hold the stopper 18 to insert the connecting frame 12 into the connecting groove 11 14, and the second support plate 7 is connected to the connecting groove 11. The square plate 15 is loosened, and the first spring 23 squeezes the square plate 15 through the second fixed plate 22. The square plate 15 drives the baffle 13 to move through the support rod 16, so that the baffle 13 and the baffle ring 17 limit the connecting frame 12. When the base plate 2 is repaired and replaced, refer to the above steps to release the connection between the connecting assembly 8 and the base plate 2, the first support plate 6 and the second support plate 7, and the pressing plate 37 is squeezed to drive the moving plate 35 to move. The moving plate 35 squeezes the second spring 36, and the moving plate 35 drives the first clamping plate 38 to move, so as to release the limiting fixation of the second clamping plate 39. The handheld square block 40 drives the second clamping plate 39 to move and remove it from the groove 41, so as to release the limiting fixation between the rope 5 and the base plate 2.

[0049] The above description is only by way of illustration of certain exemplary embodiments of the present invention. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A scissor lift device, comprising a top plate (1), a bottom plate (2), a self-locking motor (3), a rotating shaft (4), a rope (5), a first support plate (6) and a second support plate (7), characterized in that: A connecting component (8) is provided between the first supporting plate (6) and the second supporting plate (7), a guiding component (9) is provided between the top plate (1) and the bottom plate (2), and a limiting component (10) is provided on one side of the bottom plate (2); The connecting assembly (8) comprises a connecting groove (11) provided between the first supporting plate (6) and the second supporting plate (7), a connecting frame (12) being provided in the connecting groove (11), a baffle (13) being rotatably mounted on one end of the connecting frame (12), a square groove (14) being provided on one side of the connecting frame (12), a square plate (15) being slidably mounted in the square groove (14), a supporting rod (16) being rotatably mounted on one side of the square plate (15), and the supporting rod (16) being rotatably connected to the baffle (13).

2. The scissor lift device according to claim 1, characterized in that: A retaining ring (17) is fixedly mounted on the outer surface of the connecting frame (12), and a retaining handle (18) is fixedly mounted on the outer surface of the connecting frame (12).

3. The scissor lift device according to claim 1, characterized in that: A first fixing plate (21) is fixedly installed in the connecting frame (12), a second fixing plate (22) is fixedly installed on one side of the square plate (15), and a first spring (23) is fixedly installed between the first fixing plate (21) and the second fixing plate (22).

4. The scissor lift device according to claim 1, characterized in that: A first support frame (24) is fixedly mounted on the top of the top plate (1); the rotating shaft (4) is rotatably mounted on one side of the first support frame (24); a second support frame (25) is fixedly mounted on one side of the first support frame (24); the self-locking motor (3) is fixedly mounted on one side of the second support frame (25); the rotating shaft (4) is connected to an output end of the self-locking motor (3); and the rope (5) is wound around the outer surface of the rotating shaft (4).

5. The scissor lift device according to claim 4, characterized in that: A connecting shaft (26) is rotatably mounted between the first support frame (24), the connecting shaft (26) is connected to the rotating shaft (4), a transmission belt (27) is sleeved between the connecting shaft (26), the first supporting plate (6) is respectively arranged in the top plate (1) and the bottom plate (2), and the second supporting plate (7) is respectively rotatably mounted in the top plate (1) and the bottom plate (2).

6. The scissor lift device according to claim 1, characterized in that: The guide assembly (9) comprises a first guide plate (28), a second guide plate (29), a third guide plate (30) and a buckle (31); the first guide plate (28) is arranged at the top of the base plate (2); the buckle (31) is arranged between the first guide plate (28) and the base plate (2); a first guide groove (32) is provided at the top of the first guide plate (28); and the second guide plate (29) is slidably installed in the first guide groove (32).

7. The scissor lift device according to claim 6, characterized in that: A second guide groove (33) is provided on the top of the second guide plate (29), the third guide plate (30) is slidably mounted in the second guide groove (33), and the third guide plate (30) is fixedly connected to the top plate (1).

8. The scissor lift device according to claim 1, characterized in that: The limiting assembly (10) comprises a limiting frame (34), a movable plate (35), a second spring (36), a pressing plate (37), a first clamping plate (38), a second clamping plate (39) and a square block (40); the limiting frame (34) is fixedly mounted on one side of the bottom plate (2); a groove (41) is provided on one side of the limiting frame (34); and the movable plate (35) is slidably mounted in the limiting frame (34).

9. The scissor lift device according to claim 8, characterized in that: The second spring (36) is fixedly mounted between the movable plate (35) and the limiting frame (34), and the pressing plate (37) is fixedly mounted on one side of the movable plate (35).

10. The scissor lift device according to claim 8, characterized in that: The first clamping plate (38) is fixedly mounted on one side of the movable plate (35), the second clamping plate (39) is arranged in the groove (41), the square block (40) is fixedly mounted on the top of the second clamping plate (39), and the square block (40) is fixedly connected to the rope (5).

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