Compact type land cattle elevator

Abstract

The utility model relates to a compact type land cattle elevator, and belongs to the technical field of elevators. The device comprises a plurality of guide columns which are vertically arranged, the tops of the guide columns are connected through a cross beam, and a lifting assembly is arranged on the cross beam; the bottom of the lifting assembly is connected with the conveying assembly, a plurality of guide wheel assemblies are arranged on the conveying assembly, and each guide wheel assembly abuts against the corresponding guide column in a matched mode. The lifting assembly structurally comprises a lifting motor, the output end of the lifting motor is connected with chain wheels, and the chain wheels on the two sides synchronously rotate through a rotating shaft. One end of the lifting chain is connected with the upper portion of the conveying assembly, and the other end of the lifting chain is connected with the lower portion of the conveying assembly after bypassing the rotating wheel at the bottom. According to the utility model, not only is the structure compact, but also cargos can be transported more stably by arranging the guide posts and the guide wheels, and a corresponding running track does not need to be independently arranged for the cargos, so that the space is saved.

Description

Technical Field

[0001] The utility model relates to the technical field of elevators, in particular to a compact ground bull elevator. Background Art

[0002] The ground bull hoist is mainly used in logistics automation and warehouse vertical warehouse; it involves a method of high and low position pallet conveying and guiding mechanism, which is used to change the direction of pallet conveying, lift the pallet goods from low position to high position or lower the goods transported from upstream from high position to low position.

[0003] Existing ground bull hoists mostly use double chains or guide rail sliders to drive the lifting mechanism to perform up and down reciprocating motion. Although the double chain mechanism ensures the stability of the lifting motion to a certain extent, it requires a large overall space for the hoist and is not suitable for operation in a small space; the guide rail slider mechanism is relatively simple compared to the double chain structure, but has higher precision requirements. If the sliding gap between the guide rail and the slider is too large, it will have a certain impact on the movement stability of the lifting device.

[0004] Therefore, it is urgent to propose a compact ground bull hoist. Utility Model Content

[0005] In view of the shortcomings of the above-mentioned existing production technology, the applicant provides a compact bull hoist with stable operation and good load-bearing capacity, while saving more space for the bull hoist.

[0006] The technical solution adopted by the utility model is as follows: a compact ground bull hoist, comprising a plurality of guide columns arranged vertically, the tops of the guide columns being connected by crossbeams, and a lifting assembly being arranged on the crossbeams;

[0007] The bottom of the lifting assembly is connected to the transport assembly, and a plurality of guide wheel assemblies are provided on the transport assembly, and each guide wheel assembly matches and abuts against a corresponding guide column;

[0008] The structure of the lifting assembly is as follows: it includes a lifting motor, the output end of the lifting motor is connected to the sprocket, and the sprockets on both sides rotate synchronously through the rotating shaft; a lifting chain is wound around the sprocket, one end of the lifting chain is connected to the upper part of the transport assembly, and the other end of the lifting chain is connected to the lower part of the transport assembly after winding around the rotating wheel at the bottom.

[0009] As a further improvement of the above technical solution:

[0010] Preferably, a pedal is further provided on one side of the transport component, and the pedal supports a hand-pushed forklift to pick up and place goods, and does not affect the picking up and placing of goods by an electric vehicle.

[0011] Preferably, a bearing seat is provided on the rotating shaft between the two sprockets on both sides.

[0012] Preferably, the structure of the transport component is: it includes a transport plate, and lifting matching plates are arranged on both sides of the transport plate, one end of the lifting chain is connected to the upper part of the lifting matching plate, and the other end of the lifting chain is connected to the lower part of the lifting matching plate after passing around the rotating wheel at the bottom.

[0013] Preferably, an active roller group is provided on one side of the transport plate, and the structure of the active roller group is: comprising a plurality of rollers, and a chain transmission is formed between the plurality of rollers and the output shaft of the transport motor.

[0014] Preferably, a passive roller group is provided on the other side of the transport plate, and the passive roller group is connected to the active roller group through a linkage shaft; the active roller group drives the linkage shaft to rotate through a chain, and when the linkage shaft rotates, it synchronously drives the passive roller group to rotate.

[0015] Preferably, an intermediate roller group is further provided at the middle position of the transport plate, and the intermediate roller group is an unpowered roller group.

[0016] Preferably, the structure of the guide wheel assembly is: including a first guide wheel, a second guide wheel and a third guide wheel; the first guide wheel is a roller structure with tapered inward on both sides, and the middle position of the first guide wheel is against the vertical edge of the guide column; the second guide wheel and the third guide wheel are both circular rollers, and the arc surfaces of the second guide wheel and the third guide wheel are against the plane of the guide column.

[0017] Preferably, a cargo space over-width sensor assembly is further provided above the transport assembly, and the structure of the cargo space over-width sensor assembly is as follows: it includes a support frame and a cargo space over-width sensor installed on the support frame.

[0018] Preferably, a lifting sensor assembly is provided on one of the guide columns, and the lifting sensor assembly is used to monitor the lifting height of the lifting assembly; a horizontal conveying sensor assembly is provided on the transport direction side of the transport assembly, and the horizontal conveying sensor assembly is used to check whether there is cargo on the transport assembly.

[0019] The beneficial effects of the utility model are as follows:

[0020] The utility model has a compact structure and is easy to operate. The guide column and the crossbeam form a frame, which is easy to install and ensures stability. At the same time, a platform for fixing the lifting motor is separately designed on one side of the frame, which effectively improves the carrying capacity of the lifting motor. The guide column of the utility model is the frame itself, and cooperates with the guide wheel assembly to ensure the stability of the transport assembly during the lifting process and save layout space.

[0021] The utility model also has the following advantages:

[0022] The transport assembly of the utility model is provided with an active roller group, which drives a passive roller group through a linkage shaft, and the rollers on both sides rotate synchronously, which can ensure a smooth transition of the goods into the transport assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the overall layout of the utility model.

[0024] Figure 2 It is a structural schematic diagram of the lifting assembly of the utility model.

[0025] Figure 3 This is a schematic structural diagram of the transport component of the present utility model.

[0026] Figure 4 This is a schematic diagram of the cooperation between the guide assembly and the guide column of the utility model.

[0027] Among them: 1. Lifting assembly; 2. Guide column; 3. Transport assembly; 4. Guide wheel assembly; 5. Cargo space over-width sensor assembly; 6. Lifting sensor assembly; 7. Horizontal transport sensor assembly; 8. Pedal;

[0028] 11. Lifting motor; 12. Sprocket; 13. Bearing seat; 14. Lifting chain; 15. Rotating wheel;

[0029] 31. Transport plate; 32. Active roller group; 33. Transport motor; 34. Passive roller group; 35. Linkage shaft; 36. Intermediate roller group; 37. Lifting and lowering matching plate;

[0030] 41. First guide wheel; 42. Second guide wheel; 43. Third guide wheel. DETAILED DESCRIPTION

[0031] The specific implementation of the present utility model will be described below with reference to the accompanying drawings.

[0032] like Figures 1 to 4 As shown, the compact ground cattle hoist of this embodiment includes a plurality of guide columns 2 arranged vertically, the tops of the guide columns 2 are connected by a crossbeam, and a lifting assembly 1 is arranged on the crossbeam; the bottom of the lifting assembly 1 is connected to the transport assembly 3, and a plurality of guide wheel assemblies 4 are provided on the transport assembly 3, and each guide wheel assembly 4 is matched and abutted against the corresponding guide column 2; the structure of the lifting assembly 1 is: it includes a lifting motor 11, the output end of the lifting motor 11 is connected to the sprocket 12, and the sprockets 12 on both sides rotate synchronously through the rotating shaft; a lifting chain 14 is wound around the sprocket 12, one end of the lifting chain 14 is connected to the upper part of the transport assembly 3, and the other end of the lifting chain 14 is connected to the lower part of the transport assembly 3 after passing through the rotating wheel 15 at the bottom.

[0033] In this embodiment, a pedal 8 is further provided on one side of the transport component 3. The pedal 8 supports a hand-pushed forklift to pick up and place goods, and does not affect the picking up and placing of goods by an electric vehicle.

[0034] In this embodiment, a bearing seat 13 is provided on the rotating shaft between the two sprockets 12 on both sides.

[0035] In this embodiment, the structure of the transport component 3 is: it includes a transport plate 31, and a lifting and matching plate 37 is arranged on both sides of the transport plate 31. One end of the lifting chain 14 is connected to the upper part of the lifting and matching plate 37, and the other end of the lifting chain 14 is connected to the lower part of the lifting and matching plate 37 after bypassing the rotating wheel 15 at the bottom.

[0036] In this embodiment, a driving roller group 32 is provided on one side of the transport plate 31 . The structure of the driving roller group 32 is: including multiple rollers, and the multiple rollers are chain-driven to the output shaft of the transport motor 33 .

[0037] In this embodiment, a passive roller group 34 is provided on the other side of the transport plate 31, and the passive roller group 34 is connected to the active roller group 32 through a linkage shaft 35; the active roller group 32 drives the linkage shaft 35 to rotate through a chain, and when the linkage shaft 35 rotates, the passive roller group 34 is synchronously driven to rotate.

[0038] In this embodiment, an intermediate roller group 36 is further provided at the middle position of the transport plate 31 , and the intermediate roller group 36 is an unpowered roller group.

[0039] In this embodiment, the structure of the guide wheel assembly 4 is: it includes a first guide wheel 41, a second guide wheel 42 and a third guide wheel 43; the first guide wheel 41 is a roller structure with tapered inward on both sides, and the middle position of the first guide wheel 41 is against the vertical edge of the guide column 2; the second guide wheel 42 and the third guide wheel 43 are both circular rollers, and the arc surfaces of the second guide wheel 42 and the third guide wheel 43 are against the plane of the guide column 2.

[0040] In this embodiment, a cargo space over-width sensor assembly 5 is further provided above the transport assembly 3 . The cargo space over-width sensor assembly 5 comprises a support frame and a cargo space over-width sensor installed on the support frame.

[0041] In this embodiment, a lifting sensor assembly 6 is set on one of the guide columns 2, and the lifting sensor assembly 6 is used to monitor the lifting height of the lifting assembly 1; a horizontal conveying sensor assembly 7 is set on the transport direction side of the transport assembly 3, and the horizontal conveying sensor assembly 7 is used to detect whether there is cargo on the transport assembly 3; illustratively, 4 sensors are set here, and signals can also be sent through the sensors to control the start and stop of the transport assembly 3.

[0042] In this embodiment, the working method of the utility model is as follows:

[0043] Release of goods: First, the pallet cargo is initially placed on the transport component 3 by a hand-pushed ox via the pedal 8. After the horizontal conveying sensor component 7 on it detects the cargo, the active roller group 32 of the transport component 3 works to transport the cargo to the appropriate position. Then the lifting component 1 is activated, and the upper lifting motor 11 drives the double-row lifting chain 14. The lifting chain 14 drives the transport component 3 to rise by driving the lifting matching plate 37. The lifting chain 14, the guide wheel assembly 4 and the guide column 2 work together to make the transport component 3 rise and fall smoothly, ensuring that the cargo reaches the specified height smoothly. In the whole process, the cargo position over-width sensor assembly 5 is always in working state to ensure that the cargo position is compliant.

[0044] Picking up goods: The pallet cargo is placed on the transport component 3 via the fork, and then the lifting motor 11 drives the double-row lifting chain 14. The lifting chain 14 drives the transport component 3 to descend to the bottom picking height by driving the lifting matching plate 37. Then the active roller group 32 of the transport component 3 is activated to move the pallet cargo outward to the designated position. Then a staff member manually pushes the ground bull to take away the goods.

[0045] The utility model has a reasonable structure and is easy to operate. The lifting motor 11 drives the double-row lifting chains 14, and the lifting chains 14 drive the lifting matching plate 37 to drive the transport component 3 to lift and lower, thereby stably transmitting the transmission. In the lifting process, the guide wheel assembly 4 and the guide column 2 work together to ensure stability, and the use of the vertical rod of the frame itself as the guide column 2 also saves layout space.

[0046] The above description is an explanation of the utility model, not a limitation of the utility model. The scope of the utility model is defined by the claims. Any form of modification can be made within the scope of protection of the utility model.

Claims

1. A compact ground bull hoist, characterized by: It comprises a plurality of guide columns (2) arranged vertically, the tops of the guide columns (2) are connected by a crossbeam, and a lifting assembly (1) is arranged on the crossbeam; The bottom of the lifting assembly (1) is connected to the transport assembly (3), and a plurality of guide wheel assemblies (4) are provided on the transport assembly (3), and each guide wheel assembly (4) matches and abuts against a corresponding guide column (2); The structure of the lifting assembly (1) is as follows: it includes a lifting motor (11), the output end of the lifting motor (11) is connected to a sprocket (12), and the sprockets (12) on both sides rotate synchronously via a rotating shaft; a lifting chain (14) is wound around the sprocket (12), one end of the lifting chain (14) is connected to the upper part of the transport assembly (3), and the other end of the lifting chain (14) is connected to the lower part of the transport assembly (3) after passing around a rotating wheel (15) at the bottom; The structure of the guide wheel assembly (4) is as follows: comprising a first guide wheel (41), a second guide wheel (42) and a third guide wheel (43); The first guide wheel (41) is a roller structure with two sides tapered inward, and the middle position of the first guide wheel (41) abuts against the vertical edge of the guide column (2); The second guide wheel (42) and the third guide wheel (43) are both circular rollers, and the arc surfaces of the second guide wheel (42) and the third guide wheel (43) are against the plane of the guide column (2).

2. The compact ground bull hoist according to claim 1, characterized in that: A pedal (8) is also provided on one side of the transport component (3).

3. The compact ground bull hoist according to claim 1, characterized in that: A bearing seat (13) is arranged on the rotating shaft between the two sprockets (12) on both sides.

4. The compact ground bull hoist according to claim 1, characterized in that: The structure of the transport assembly (3) is as follows: it includes a transport plate (31), and lifting matching plates (37) are arranged on both sides of the transport plate (31). One end of the lifting chain (14) is connected to the upper part of the lifting matching plate (37), and the other end of the lifting chain (14) is connected to the lower part of the lifting matching plate (37) after passing around the rotating wheel (15) at the bottom.

5. The compact ground bull hoist according to claim 4, characterized in that: An active roller group (32) is provided on one side of the transport plate (31). The active roller group (32) has a structure comprising a plurality of rollers, and a chain transmission is formed between the plurality of rollers and the output shaft of the transport motor (33).

6. The compact ground bull hoist according to claim 5, characterized in that: A passive roller group (34) is provided on the other side of the transport plate (31), and the passive roller group (34) is connected to the active roller group (32) via a linkage shaft (35); The active roller group (32) drives the linkage shaft (35) to rotate through a chain, and when the linkage shaft (35) rotates, the passive roller group (34) is synchronously driven to rotate.

7. The compact ground bull hoist according to claim 4, characterized in that: An intermediate roller group (36) is also provided at the middle position of the transport plate (31), and the intermediate roller group (36) is a non-powered roller group.

8. The compact ground bull hoist according to claim 1, characterized in that: A cargo space over-width sensor assembly (5) is also provided above the transport assembly (3). The cargo space over-width sensor assembly (5) has the following structure: it comprises a support frame and a cargo space over-width sensor installed on the support frame.

9. The compact ground bull hoist according to claim 1, characterized in that: A lifting sensor assembly (6) is provided on one of the guide columns (2), and the lifting sensor assembly (6) is used to monitor the lifting height of the lifting assembly (1); A horizontal transport sensor assembly (7) is provided on one side of the transport direction of the transport assembly (3). The horizontal transport sensor assembly (7) is used to detect whether there is cargo on the transport assembly (3).

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