Material lifting device

Abstract

The utility model relates to the technical field of material conveying, in particular to a material lifting device which comprises a main body rack, a lifting driving assembly and a lifting frame. The main body rack comprises a stand column and a bearing platform arranged on the upper portion of the stand column. The lifting driving assembly comprises a lifting driving source and a conveying connecting piece, and the lifting driving source is arranged on the bearing platform; the lifting frame is connected with a lifting driving source through a conveying connecting piece, and the lifting driving source drives the conveying connecting piece to act so that the lifting frame can ascend and descend in the height direction of the stand column. The lifting frame is used for clamping materials. The overall structure is simple; the bearing platform is located on the upper portion of the stand column, the lifting frame is used for clamping materials and is driven by the lifting driving assembly to ascend and descend in the height direction of the main body rack, mechanical control is achieved, safety is good, working efficiency is high, and safe conveying of the materials can be achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of material conveying, in particular to a material lifting device. Background Art

[0002] During the transportation of existing materials within the factory, most of them are transported by manual cranes or transport carts with integrated lifting functions.

[0003] The manual crane in the prior art can lift at any position, and the placement position can also be determined by manual intervention as needed; the trolley lifting has a mobile conveying function, which can convey the lifted steel coil to the specified position. However, there are the following defects: the manual crane has strict requirements on the safe fixation of the steel coil, and there is a risk of falling, collision or scratching, which requires high safety awareness and operating skills of the personnel; the integrated lifting height of the walking trolley is limited, and it is impossible to complete high-position conveying or cross-layer conveying.

[0004] In summary, there is an urgent need for a material lifting device with a simplified structure and capable of achieving safe material transportation to solve the problems existing in the prior art. Utility Model Content

[0005] The utility model aims to provide a material lifting device with a simplified structure and capable of safely transporting materials. The specific technical solution is as follows:

[0006] A material lifting device comprises a main frame, a lifting drive assembly and a lifting frame;

[0007] The main frame includes a column and a bearing platform arranged on the upper part of the column;

[0008] The lifting drive assembly includes a lifting drive source and a transmission connection member, wherein the lifting drive source is arranged on the carrying platform; the lifting frame is connected to the lifting drive source through the transmission connection member, and the lifting drive source drives the transmission connection member to move, thereby realizing the lifting of the lifting frame along the height direction of the column;

[0009] The lifting frame is used to clamp materials;

[0010] The column is provided with a lifting slide rail along its height direction; the lifting frame is provided with a slide platform matching the lifting slide rail;

[0011] The lifting drive assembly also includes a counterweight; the transmission connection member includes a transmission rod, a transmission wheel and a traction member, the transmission rod is connected to the output end of the lifting drive source, and the transmission wheel is arranged on the transmission rod; the traction member is meshed with the transmission wheel, one end of the traction member is connected to the lifting frame, and the other end of the traction member is connected to the counterweight.

[0012] Preferably, there are two groups of transmission wheels, which are arranged in parallel on the transmission rod; there are two groups of traction members corresponding to the transmission wheels, wherein: the first end of one group of traction members is connected to the lifting frame, the middle part is meshed with the transmission wheel, and the second end is connected to the counterweight block; the first end and the second end of the other group of traction members are both connected to the lifting frame, the middle part is meshed with the transmission wheel, and the counterweight block and the transmission wheel are staggered and arranged in the middle of the traction member.

[0013] Preferably, the transmission wheel is a sprocket, and the traction member is a chain; or, the transmission wheel is a synchronous belt wheel, and the traction member is a synchronous belt.

[0014] Preferably, there are four columns, and the counterweight block is a rectangular block with slides provided at its four corners; the slide is a bearing structure.

[0015] Preferably, the column is provided with a guide rail along its height direction; and the counterweight block is provided with a slide platform matching the guide rail.

[0016] Preferably, the column is a columnar structure welded from H-shaped steel and square tube; the guide rail is located on the inner side of the columnar structure, and the lifting rail is located on the outer side of the columnar structure.

[0017] Preferably, the lifting drive source is a drive motor with forward and reverse rotation functions.

[0018] Preferably, the lifting frame is located below the load-bearing platform, and the lifting frame includes a connecting frame and a clamping part, the connecting frame is connected to the conveying connecting piece, and the clamping part is arranged on the connecting frame; the clamping part includes two groups of clamping pieces that are arranged opposite to each other and form a clamping cavity for clamping materials; the clamping piece is a V-shaped hook structure; the two groups of clamping pieces are arranged at a distance D, and the distance D is 0.2-0.4 times the material specification. The application of the technical solution of the utility model has the following beneficial effects:

[0019] (1) The material lifting device of the utility model includes a main frame, a lifting drive assembly and a lifting frame; the main frame includes a column and a bearing platform arranged on the upper part of the column; the lifting drive assembly includes a lifting drive source and a transmission connection member, and the lifting drive source is arranged on the bearing platform; the lifting frame is connected to the lifting drive source through the transmission connection member, and the lifting drive source drives the transmission connection member to move and then realize the lifting of the lifting frame along the height direction of the column; the lifting frame is used to clamp materials. The overall structure is simple; the bearing platform is located on the upper part of the column, and the lifting frame is used to clamp materials and is driven by the lifting drive assembly to lift and lower along the height direction of the main frame. It is mechanically controlled, has good safety and high work efficiency, and can realize safe transportation of materials.

[0020] (2) In the utility model, a lifting rail is provided on the central column along its height direction; and a slide table matching the lifting rail is provided on the lifting frame. The stability of the lifting frame during the lifting process is ensured by the coordinated arrangement of the lifting rail and the slide table.

[0021] (3) The lifting drive assembly in the utility model also includes a counterweight; the transmission connection member includes a transmission rod, a transmission wheel and a traction member, the transmission rod is connected to the output end of the lifting drive source, and the transmission wheel is arranged on the transmission rod; the traction member is meshed with the transmission wheel, one end of the traction member is connected to the lifting frame, and the other end of the traction member is connected to the counterweight. The counterweight design is adopted and the transmission connection member adopts a combination of a transmission rod, a transmission wheel and a traction member, which has a simple structure and can meet the lifting requirements; there are two groups of transmission wheels, and the two groups of transmission wheels are arranged in parallel on the transmission rod; the number of traction members is two groups arranged in a one-to-one correspondence with the transmission wheels, wherein: the first end of one group of traction members is connected to the lifting frame, the middle part is meshed with the transmission wheel, and the second end is connected to the counterweight; the first end and the second end of the other group of traction members are both connected to the lifting frame, the middle part is meshed with the transmission wheel, and the counterweight and the transmission wheel are staggered and arranged in the middle of the traction member. The transmission connection member in the lifting drive assembly adopts a closed-loop transmission form to further improve the stability during material transportation. The transmission wheel is a sprocket wheel, and the traction member is a chain; or, the transmission wheel is a synchronous belt wheel, and the traction member is a synchronous belt. The components are easy to obtain and the transportation is smooth.

[0022] (4) The column described in the utility model is a columnar structure welded by H-shaped steel and square tube; the guide slide rail is located on the inner side of the columnar structure, the lifting slide rail is located on the outer side of the columnar structure, and the lifting drive source is located on the top, one side is connected to the lifting frame, and the other side is connected to the counterweight block to reduce the energy consumption of the entire device, and the height of the column can be adjusted according to needs to release the lifting height.

[0023] (5) In the utility model, the lifting frame is located below the load-bearing platform, and the lifting frame includes a connection frame and a clamping part, the connection frame is connected to the transmission connection piece, and the clamping part is arranged on the connection frame; the clamping part includes two groups of clamping pieces that are arranged opposite to each other and form a clamping cavity for clamping materials; the clamping piece is a V-shaped hook structure; the two groups of clamping pieces are arranged at a distance D, and the distance D is 0.2-0.4 times the material specification. It is convenient to clamp materials, and the equipment can be connected to RGV, fork device or mobile hook to carry out material in and out, so as to realize material transportation and storage at different heights, and even cross-floor transportation.

[0024] In addition to the above-described purposes, features and advantages, the present invention has other purposes, features and advantages. The present invention will be further described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] The drawings constituting a part of this application are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0026] Figure 1 Schematic diagram of the state of the material lifting device in the embodiment when in use (the double arrow P is the moving direction);

[0027] Figure 2 yes Figure 1 Schematic diagram of another angle when the material lifting device is transporting materials (the main frame is not shown);

[0028] Among them, 1. Main frame, 1.1. Column, 1.2. Loading platform;

[0029] 2. Lifting drive assembly, 2.1. Lifting drive source, 2.2. Transmission connecting piece, 2.2.1. Transmission rod, 2.2.2. Transmission wheel, 2.2.3. Traction piece, 2.2.4. Driven wheel, 2.3. Counterweight;

[0030] 3. Lifting frame, 3.1. Connecting frame, 3.2. Clamping part;

[0031] 4. Materials. DETAILED DESCRIPTION

[0032] The embodiments of the present invention are described in detail below with reference to the accompanying drawings. However, the present invention can be implemented in many different ways as defined and covered by the claims.

[0033] Example:

[0034] See also Figure 1-2 , a material lifting device, including a main frame 1, a lifting drive assembly 2 and a lifting frame 3, the detailed structure is as follows:

[0035] The main frame 1 comprises a column 1.1 and a bearing platform 1.2 arranged on the upper part of the column 1.1. Preferably, in this embodiment, the column 1.1 is a columnar structure formed by welding H-shaped steel and square tube.

[0036] The lifting drive assembly 2 includes a lifting drive source 2.1, a transmission connection piece 2.2 and a counterweight block 2.3. The lifting drive source 2.1 is arranged on the carrying platform 1.2; the lifting frame 3 is connected to the lifting drive source 2.1 through the transmission connection piece 2.2, and the lifting drive source 2.1 drives the transmission connection piece 2.2 to move, thereby realizing the lifting of the lifting frame 3 along the height direction of the column 1.1.

[0037] In this embodiment: the column 1.1 is provided with a lifting rail and a guide rail along its height direction, the guide rail is located inside the columnar structure, and the lifting rail is located outside the columnar structure; the lifting frame 3 is provided with a slide matching the lifting rail; the counterweight block 2.3 is provided with a slide matching the guide rail. In this embodiment, there are four columns 1.1, and the counterweight block 2.3 is a rectangular block with slides at its four corners; the slide is a bearing structure.

[0038] The transmission connection member 2.2 includes a transmission rod 2.2.1, a transmission wheel 2.2.2 and a traction member 2.2.3. The transmission rod 2.2.1 is connected to the output end of the lifting drive source 2.1, and the transmission wheel 2.2.2 is arranged on the transmission rod 2.2.1; the traction member 2.2.3 is meshed with the transmission wheel, one end of the traction member 2.2.3 is connected to the lifting frame 3, and the other end of the traction member 2.2.3 is connected to the counterweight block 2.3. For further preferred embodiments, see Figure 2 , the transmission connecting member 2.2 is provided with two groups arranged in parallel, in one group of transmission connecting members: the number of the transmission wheels 2.2.2 is two groups, and the two groups of transmission wheels 2.2.2 are arranged in parallel on the transmission rod 2.2.1; the number of the traction members 2.2.3 is two groups arranged in a one-to-one correspondence with the transmission wheels 2.2.2, specifically: the first end of one group of traction members is connected to the lifting frame, the middle part is meshed with the transmission wheel, and the second end is connected to the counterweight block; the first end and the second end of the other group of traction members are both connected to the lifting frame, the middle part is meshed with the transmission wheel, and the counterweight block and the transmission wheel are staggered and arranged in the middle part of the traction member. In addition, a driven wheel 2.2.4 can also be provided corresponding to each group of transmission wheels. The transmission wheel is a sprocket, and the traction member is a chain; or, the transmission wheel is a synchronous pulley, and the traction member is a synchronous belt. The lifting drive source 2.1 is a driving motor with forward and reverse functions.

[0039] The lifting frame 3 is used to clamp the material 4. Preferably, the lifting frame 3 is located below the carrying platform, and the lifting frame includes a connecting frame 3.1 and a clamping part 3.2. The connecting frame is connected to the conveying connecting piece 2.2, and the clamping part is arranged on the connecting frame; the clamping part includes two groups of clamping pieces that are arranged opposite to each other and form a clamping cavity for clamping the material; the clamping piece is a V-shaped hook structure; the two groups of clamping pieces are arranged at a distance D, and the distance D is 0.2-0.4 times the material specification.

[0040] Action process: the lifting frame 3 stops at the picking height, the docking equipment (such as RGV, fork device or hook, etc.) delivers the goods to the corresponding position of the lifting frame 3, the lifting drive component 2 controls the lifting frame 3 to rise, lifts the goods to the specified height, and waits for the docking height equipment to take the goods away. It can realize various types of lifting and conveying of roll materials such as C-type, Z-type, E-type, etc.

[0041] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A material lifting device, characterized in that: It comprises a main frame (1), a lifting drive assembly (2) and a lifting frame (3); The main frame (1) comprises a column (1.1) and a bearing platform (1.2) arranged on the upper part of the column (1.1); The lifting drive assembly (2) comprises a lifting drive source (2.1) and a transmission connection piece (2.2), wherein the lifting drive source (2.1) is arranged on the carrying platform (1.2); the lifting frame (3) is connected to the lifting drive source (2.1) via the transmission connection piece (2.2), and the lifting drive source (2.1) drives the transmission connection piece (2.2) to move, thereby realizing the lifting frame (3) to be lifted and lowered along the height direction of the column (1.1); The lifting frame (3) is used to clamp materials; The upright column (1.1) is provided with a lifting slide rail along its height direction; the lifting frame (3) is provided with a slide platform matching the lifting slide rail; The lifting drive assembly (2) further comprises a counterweight block (2.3); The transmission connection member (2.2) comprises a transmission rod (2.2.1), a transmission wheel (2.2.2) and a traction member (2.2.3); the transmission rod (2.2.1) is connected to the output end of the lifting drive source (2.1); the transmission wheel (2.2.2) is arranged on the transmission rod (2.2.1); the traction member (2.2.3) is meshed with the transmission wheel; one end of the traction member (2.2.3) is connected to the lifting frame (3), and the other end of the traction member (2.2.3) is connected to the counterweight block (2.3).

2. The material lifting device according to claim 1, characterized in that: There are two groups of transmission wheels (2.2.2), and the two groups of transmission wheels (2.2.2) are arranged in parallel on the transmission rod (2.2.1); The number of the traction members (2.2.3) is two groups arranged in a one-to-one correspondence with the transmission wheel (2.2.2), wherein: the first end of one group of traction members is connected to the lifting frame, the middle part is meshed with the transmission wheel, and the second end is connected to the counterweight block; the first end and the second end of the other group of traction members are both connected to the lifting frame, the middle part is meshed with the transmission wheel, and the counterweight block and the transmission wheel are staggered and arranged in the middle of the traction member.

3. The material lifting device according to claim 1, characterized in that: The transmission wheel is a sprocket, and the traction member is a chain; or, the transmission wheel is a synchronous belt wheel, and the traction member is a synchronous belt.

4. The material lifting device according to claim 1, characterized in that: There are four upright columns (1.1), and the counterweight block (2.3) is a rectangular block with slides provided at its four corners; the slide is a bearing structure.

5. The material lifting device according to any one of claims 1 to 4, characterized in that: The upright column (1.1) is provided with a guide slide rail along its height direction; and the counterweight block (2.3) is provided with a slide platform matching the guide slide rail.

6. The material lifting device according to claim 5, characterized in that: The upright column (1.1) is a columnar structure welded from H-shaped steel and a square tube; the guide slide rail is located on the inner side of the columnar structure, and the lifting slide rail is located on the outer side of the columnar structure.

7. The material lifting device according to claim 1, characterized in that: The lifting drive source (2.1) is a drive motor with forward and reverse rotation functions.

8. The material lifting device according to claim 1, characterized in that: The lifting frame (3) is located below the bearing platform, and the lifting frame (3) comprises a connecting frame (3.1) and a clamping part (3.2), wherein the connecting frame is connected to the conveying connecting piece (2.2), and the clamping part is arranged on the connecting frame; the clamping part comprises two groups of clamping pieces which are arranged opposite to each other and form a clamping cavity for clamping materials; the clamping pieces are V-shaped hook structures; the two groups of clamping pieces are arranged at a distance D, and the distance D is 0.2-0.4 times the material specification.

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