A non-powered lifting trolley

Abstract

The utility model discloses a trolley in the technical field of pallet transport equipment, wherein a material pallet is arranged on the trolley; the material pallet is placed as a whole on a pallet lifting module, the trolley comprises a handrail frame and a vehicle bracket, the rear end of the pallet lifting module is vertically slidably installed on the trolley along the direction of the handrail frame, a tension sliding module is vertically slidably installed on the rear side of the handrail frame, the bottom of the tension sliding module is connected to the vehicle bracket through a plurality of tension springs, a plurality of groups of connecting pulleys are arranged on the top of the handrail frame, the top of the tension sliding module is downwardly fixedly connected to the pallet lifting module through a plurality of ropes passing around the connecting pulleys at corresponding positions from top to bottom, and a plurality of tension springs are arranged with elastic force downward; the utility model aims to solve the technical problems existing in the traditional pallet transport mode, and at the same time has the advantages of reducing labor intensity, improving work efficiency and reducing the risk of labor injuries.

Description

Technical Field

[0001] The utility model relates to the technical field of pallet transportation equipment, in particular to a non-powered lifting trolley. Background Art

[0002] The traditional pallet transportation method requires workers to bend over to pull the pallet, which is not only inconvenient but also prone to work injuries, such as back pain and other problems. During the traditional pallet transportation process, workers need to endure greater labor intensity, especially the need to frequently bend over and lift the pallet, which can easily lead to fatigue and injury.

[0003] Although there are some electric-driven pallet conveying equipment on the market, they are expensive and have high maintenance costs. They cannot work without power for a long time, so they have high requirements for the use environment.

[0004] Based on this, the utility model designs a non-powered lifting trolley to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a non-powered lifting trolley to solve the problems raised in the above background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A non-powered lifting trolley comprises a trolley, wherein a material tray is arranged on the trolley;

[0008] The material pallet is placed as a whole on the pallet lifting module, and the trolley includes an armrest frame and a vehicle bracket. The rear end of the pallet lifting module is vertically slidably installed on the trolley along the direction of the armrest frame, and a tension sliding module is vertically slidably installed on the rear side of the armrest frame. The bottom of the tension sliding module is connected to the vehicle bracket through multiple tension springs, and multiple groups of connecting pulleys are arranged on the top of the armrest. The top of the tension sliding module is fixedly connected to the pallet lifting module downward through multiple ropes that pass through the connecting pulleys at corresponding positions from top to bottom. The elastic force of multiple tension springs is arranged downward. When the material pallet has no goods, the pallet lifting module is located above the armrest frame, and the tension sliding module is located below the armrest frame.

[0009] As a further solution of the utility model: a plurality of groups of attachment points for tension spring attachment are arranged between the tension sliding module and the vehicle bracket, and a plurality of groups of spare unattached tension springs are preset on the tension sliding module.

[0010] As a further solution of the utility model: the pallet lifting module includes a lifting plate bracket, a lifting point for connecting the rope is installed in the middle position of the rear end of the lifting plate bracket, a plurality of plate bracket guide wheels are rotatably installed on the left and right sides of the rear end of the lifting plate bracket, a plate slide frame is vertically installed at the front end of the handrail frame, and the sliding cards at the corresponding positions of the plurality of plate bracket guide wheels are arranged on the front and rear rails of the plate slide frame.

[0011] As a further solution of the utility model: the tension sliding module includes two groups of tension beams and tension vertical frames, the tension beams are horizontally arranged up and down, the two tension beams are fixedly connected by a vertically arranged tension vertical frame, the left and right ends of the tension beams are respectively rotatably installed with tension guide wheels, the handrail frame is vertically installed with two symmetrically arranged tension rail frames, the tension sliding module is slidably clamped between the two tension rail frames through a plurality of the tension guide wheels, and the tension beam is installed with a tension pulley for connecting the rope.

[0012] As a further solution of the utility model: a locking mechanism is installed on the connecting pulley to prevent the rope from moving.

[0013] As a further solution of the utility model: the locking mechanism includes a clamping plate and a fastening bolt, the clamping plate includes an outer end folded plate and a connecting folded plate, the outer end folded plate and the connecting folded plate form an L shape, the outer end folded plate of the clamping plate is located above the wheel groove of the connecting pulley, the connecting folded plate is arranged and fixed with a strip hole plate along the radial direction of the connecting pulley, the strip hole plate is provided with a strip opening along the radial direction of the connecting pulley, the fastening bolt passes through the strip opening and is threadedly fastened with the axial end of the connecting pulley.

[0014] As a further solution of the utility model: a shock absorbing and limiting mechanism is arranged on the top of the vehicle bracket to prevent the tray lifting module from impacting.

[0015] As a further solution of the utility model: an outer baffle is provided at the rear end of the handrail frame.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] 1. Reduce the labor intensity of workers: This design can effectively reduce the labor intensity of workers, because workers do not need to bend down to pull the pallet, but through the lifting function of the pallet lifting sliding module to complete the transportation of the pallet, and use the tension spring to drive the tension sliding module to achieve unpowered reciprocating lifting to complete the entire power.

[0018] 2. Improve work efficiency: Since workers do not need to spend extra effort to bend down and lift the pallet, work efficiency can be improved. In addition, the design can also reduce waiting time and the number of actions during transportation.

[0019] 3. Reduce the risk of labor injuries: By reducing the number of times workers bend over, this design can reduce the risk of worker injuries, thereby improving the working environment and worker health.

[0020] In summary, the utility model aims to solve the technical problems existing in the traditional pallet transportation method, and at the same time has the advantages of reducing labor intensity, improving work efficiency and reducing the risk of labor injuries. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0022] Figure 2 for Figure 1 Schematic diagram of the rear structure;

[0023] Figure 3 It is a structural schematic diagram of the lifting plate bracket;

[0024] Figure 4 It is a schematic diagram of the structure of the trolley and the tension sliding module;

[0025] Figure 5 It is a structural schematic diagram of the tension sliding module;

[0026] Figure 6 for Figure 1 The partial enlarged view of point A in the middle is a schematic diagram of the structure of the locking mechanism.

[0027] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0028] Trolley 1, handrail frame 10, trolley bracket 11, disc slide rail frame 12, tension rail frame 13, connecting pulley 14, tension spring 15, clamping plate 16, strip hole plate 17, fastening bolt 18, pallet lifting module 2, lifting disc bracket 20, disc bracket guide wheel 21, lifting point 22, tension sliding module 3, tension beam 30, tension vertical frame 31, tension guide wheel 32, tension pulley 33, hanging point 34, material tray 4. DETAILED DESCRIPTION Example 1

[0029] See also Figure 1-5 , the utility model provides a technical solution: a non-powered lifting trolley, comprising a trolley 1, on which a material tray 4 is provided;

[0030] The material tray 4 is placed as a whole on the tray lifting module 2, and the trolley 1 includes an armrest frame 10 and a vehicle bracket 11. The rear end of the tray lifting module 2 is vertically slidably installed on the trolley 1 along the direction of the armrest frame 10, and a tension sliding module 3 is vertically slidably installed on the rear side of the armrest frame 10. The bottom of the tension sliding module 3 is connected to the vehicle bracket 11 through multiple tension springs 15. A plurality of groups of connecting pulleys 14 are arranged on the top of the armrest frame 10. The top of the tension sliding module 3 is fixedly connected to the tray lifting module 2 downwardly through multiple ropes passing around the connecting pulleys 14 at corresponding positions from top to bottom. The multiple tension springs 15 are elastically arranged downward. When there is no cargo on the material tray 4, the tray lifting module 2 is located above the armrest frame 10, and the tension sliding module 3 is located below the armrest frame 10.

[0031] During operation, under normal conditions, the pallet lifting module 2 drives the material pallet 4 to be located at a high position of the handrail frame 10. As a result, personnel do not need to bend down when placing items. As the weight of the goods increases, the overall weight of the pallet lifting module 2 pulls the tension sliding module 3 upward through the rope, and the tension sliding module 3 overcomes the elastic force of the tension spring 15 and moves upward. When the material pallet 4 is full of goods, the pallet lifting module 2 drops to the lowest height, and the tension sliding module 3 rises to the highest height. At this time, when personnel unload, they can unload from a high position. After the top layer of goods is removed, the overall weight of the pallet lifting module 2 drops, and the tension spring 15 pulls the pallet lifting module 2 upward again through the tension sliding module 3. Then, the height at which personnel take and place goods is always maintained at a high position, and there is no need to repeatedly bend the body to load and unload goods, which greatly improves the efficiency of handling, effectively reduces the labor intensity of personnel, and reduces the risk of labor injuries.

[0032] There are a plurality of groups of attachment points 34 for attaching the tension springs 15 between the tension sliding module 3 and the vehicle bracket 11, and a plurality of groups of spare unattached tension springs 15 are preset on the tension sliding module 3;

[0033] During operation, since the spring force is proportional to the elongation, the stacking height variation of lighter goods, such as cardboard, is large. If the cardboard stacking height variation is consistent with the height variation of the pallet lifting module 2, the cardboard is replaced with a metal plate. Then, the metal plate may be stacked to less than half the height before the pallet lifting module 2 is completely dropped to the bottom position. The personnel still have to bend over to load the goods. Therefore, for heavier goods, a few more tension springs 15 can be mounted between the tension sliding module 3 and the vehicle bracket 11 to accommodate goods of different volumes and weights. The tension sliding module 3 can be pre-halved with a plurality of tension springs 15, and the operator can select a few tension springs 15 that the tension sliding module 3 needs to mount on the vehicle bracket 11 according to the type of goods. The set connection point 34 can easily and conveniently achieve the above purpose, which will not be repeated here.

[0034] The pallet lifting module 2 includes a lifting tray bracket 20, a lifting point 22 for connecting the rope is installed at the middle position of the rear end of the lifting tray bracket 20, a plurality of tray bracket guide wheels 21 are rotatably installed on the left and right sides of the rear end of the lifting tray bracket 20, a tray slide frame 12 is vertically installed at the front end of the handrail frame 10, and the sliding cards at the corresponding positions of the plurality of tray bracket guide wheels 21 are arranged on the front and rear tracks of the tray slide frame 12;

[0035] The tension sliding module 3 includes two groups of tension beams 30 and tension vertical frames 31. The tension beams 30 are horizontally arranged up and down, and the two tension beams 30 are fixedly connected by the vertically arranged tension vertical frames 31. The left and right ends of the tension beams 30 are rotatably installed with tension guide wheels 32 respectively. The handrail frame 10 is vertically installed with two symmetrically arranged tension rail frames 13. The tension sliding module 3 is slidably clamped between the two tension rail frames 13 through a plurality of the tension guide wheels 32. The tension beam 30 is installed with a tension pulley 33 for connecting the rope.

[0036] During operation, the lifting disc bracket 20 is clamped on the disc slide rail frame 12 of the handrail frame 10 through the disc bracket guide wheel 21, so that a vertical sliding lifting action can be achieved. The tension sliding module 3 also achieves a vertical sliding lifting action by sliding between two tension rail frames 13. Example 2

[0037] See also Figure 6 The difference between this embodiment and embodiment 1 is that:

[0038] Wherein, the connecting pulley 14 is provided with a locking mechanism to prevent the rope from moving;

[0039] The locking mechanism includes a clamping plate 16 and a fastening bolt 18. The clamping plate 16 includes an outer end folding plate and a connecting folding plate. The outer end folding plate and the connecting folding plate form an L shape. The outer end folding plate of the clamping plate 16 is located above the wheel groove of the connecting pulley 14. The connecting folding plate is provided with a strip hole piece 17 along the radial direction of the connecting pulley 14 and fixed thereto. The strip hole piece 17 is provided with a strip opening along the radial direction of the connecting pulley 14. The fastening bolt 18 passes through the strip opening and is threadedly fastened with the axial end of the connecting pulley 14.

[0040] During operation, in a normal state, there is a certain interval between the clamping plate 16 and the wheel groove of the connecting pulley 14. When the rope passes through the connecting pulley 14, the outer end folding plate can be used as a blocking device to prevent the rope from slipping out of the groove. When the outer end folding plate is pressed toward the axis of the connecting pulley 14, the fastening bolt 18 is first loosened, and the clamping plate 16 is radially pressed toward the axis of the connecting pulley 14. The outer end folding plate is used to press the rope tightly in the wheel groove of the connecting pulley 14 and make it unable to move. The setting of the strip mouth can conveniently ensure the radial movement under the premise of the insertion of the fastening bolt 18, and then the fastening bolt 18 is tightened. The rope is fastened in the position of the connecting pulley 14 and cannot slide. Then the tension sliding module 3 and the pallet lifting module 2 cannot move as a whole. Therefore, the provided locking mechanism can temporarily limit the height of the pallet lifting module 2.

[0041] Wherein, a shock absorbing and limiting mechanism is provided on the top of the vehicle bracket 11 to prevent the impact of the tray lifting module 2;

[0042] Wherein, an outer baffle is provided at the rear end of the handrail frame 10;

[0043] During operation, the shock-absorbing and limiting mechanism is mainly used to prevent the pallet lifting module 2 from descending too fast, causing an impact between the pallet lifting module 2 and the vehicle bracket 11. Shock-absorbing pads or spring plates can be used here, which will not be repeated. The outer baffle is mainly used to prevent the tension spring 15 from being disconnected due to long-term use or overload. The tension spring 15 will directly collapse to the outside. The outer baffle can provide protection and can also reduce dust accumulation inside the handrail frame 10, reduce the frequency of lubrication and maintenance, and improve the aesthetics.

Claims

1. A non-powered lifting trolley, comprising a trolley (1), wherein a material tray (4) is provided on the trolley (1), characterized in that: The material tray (4) is placed as a whole on the tray lifting module (2), and the cart (1) includes an armrest frame (10) and a vehicle bracket (11). The rear end of the tray lifting module (2) is vertically slidably mounted on the cart (1) along the direction of the armrest frame (10), and a tension sliding module (3) is vertically slidably mounted on the rear side of the armrest frame (10). The bottom of the tension sliding module (3) is connected to the vehicle bracket (11) via a plurality of tension springs (15). 10) A plurality of connecting pulleys (14) are arranged on the top, and the top of the tension sliding module (3) is fixedly connected downward to the pallet lifting module (2) by a plurality of ropes passing through the connecting pulleys (14) at corresponding positions from top to bottom, and a plurality of tension springs (15) are arranged with elastic force downward, and when the material pallet (4) has no goods, the pallet lifting module (2) is located above the handrail frame (10), and the tension sliding module (3) is located below the handrail frame (10).

2. The non-powered lifting trolley according to claim 1, characterized in that: A plurality of groups of attachment points (34) for attaching tension springs (15) are arranged between the tension sliding module (3) and the vehicle bracket (11), and a plurality of groups of spare, unattached tension springs (15) are preset on the tension sliding module (3).

3. The non-powered lifting trolley according to claim 1, characterized in that: The tray lifting module (2) comprises a lifting tray bracket (20), a lifting point (22) for connecting the rope is installed at the middle position of the rear end of the lifting tray bracket (20), a plurality of tray bracket guide wheels (21) are rotatably installed on the left and right sides of the rear end of the lifting tray bracket (20), a tray slide frame (12) is vertically installed at the front end of the handrail frame (10), and the sliding cards at the corresponding positions of the plurality of tray bracket guide wheels (21) are arranged on the front and rear rails of the tray slide frame (12).

4. The non-powered lifting trolley according to claim 1, characterized in that: The tension sliding module (3) comprises two groups of tension crossbeams (30) and tension vertical frames (31), the tension crossbeams (30) are horizontally arranged up and down, the two tension crossbeams (30) are fixedly connected by a vertically arranged tension vertical frame (31), the left and right ends of the tension crossbeam (30) are rotatably mounted with tension guide rail wheels (32), the handrail frame (10) is vertically mounted with two symmetrically arranged tension rail frames (13), the tension sliding module (3) is slidably clamped between the two tension rail frames (13) through a plurality of the tension guide rail wheels (32), and the tension crossbeam (30) is mounted with a tension pulley (33) for connecting the rope.

5. The non-powered lifting trolley according to claim 1, characterized in that: The connecting pulley (14) is provided with a locking mechanism for preventing the rope from moving.

6. The non-powered lifting trolley according to claim 5, characterized in that: The locking mechanism comprises a clamping plate (16) and a fastening bolt (18), the clamping plate (16) comprising an outer end folding plate and a connecting folding plate, the outer end folding plate and the connecting folding plate forming an L shape, the outer end folding plate of the clamping plate (16) being located above the wheel groove of the connecting pulley (14), the connecting folding plate being provided with a strip hole plate (17) radially arranged and fixed to the connecting pulley (14), the strip hole plate (17) being provided with a strip opening radially arranged on the connecting pulley (14), the fastening bolt (18) passing through the strip opening and being threadedly fastened to the axial end of the connecting pulley (14).

7. The non-powered lifting trolley according to claim 1, characterized in that: A shock absorbing and limiting mechanism is provided on the top of the vehicle bracket (11) to prevent the tray lifting module (2) from impacting.

8. The non-powered lifting trolley according to claim 1, characterized in that: An outer baffle is provided at the rear end of the handrail frame (10).

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