Chain positioning and tensioning tool

By adopting a combined structure of hydraulic telescopic columns, tensioning blocks, telescopic springs and pressure chain sliders in the chain positioning and tensioning tooling, the problem that the chain cannot be stabilized in the plane during rotation is solved, and the stable tensioning and convenient detection of the chain is achieved.

CN222818694UActive Publication Date: 2025-05-02HARBIN HENGBOAN MASCH MFG CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202420976988.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-08
Publication Date
2025-05-02
Estimated Expiration
2034-05-08

AI Technical Summary

Technical Problem

The existing chain positioning and tightening tooling does not have a chain tightening structure, which makes the chain unable to stabilize in the plane during rotation, making it difficult to meet the needs of operators for inspection and observation.

Method used

A chain positioning and tensioning tool is designed, using hydraulic telescopic columns and tensioning blocks to move horizontally in the tensioning groove, combining telescopic springs and chain sliders to ensure that the chain is pressed and held stably between the positioning columns and maintaining the stability of the chain in the tightened state.

Benefits of technology

Through the mechanized tensioning mechanism, the stability of the chain during rotation is achieved, which facilitates operators to conduct inspection and observation, and meets the actual use needs.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222818694U_ABST
    Figure CN222818694U_ABST
Patent Text Reader

Abstract

The utility model discloses a chain positioning and tensioning tool which comprises a mounting plate, the top face of the mounting plate is fixedly connected with a mounting base, the top face of the mounting base is provided with a tensioning groove, the two sides of the mounting base are provided with a driving motor and a hydraulic telescopic column, one end of the hydraulic telescopic column is fixedly connected with a tensioning block, and the top end of the tensioning block is fixedly connected with a rotating motor. A rotating column is arranged at the output end of the rotating motor, a chain tray is fixedly connected to the top end of the rotating column, a positioning column is fixedly connected to the center of the top face of the chain tray, a sliding groove is formed in the side edge of the positioning column, and a chain pressing sliding block is slidably connected into the sliding groove and fixedly connected through a telescopic spring. According to the chain tensioning device, the driving motors on the two sides enable the hydraulic telescopic columns to horizontally stretch out and draw back to drive the tensioning blocks to relatively horizontally move in the tensioning grooves, so that a chain arranged on the top in a sleeving mode is mechanically controlled and tensioned, and the chain pressing sliding blocks stably press the chain in the direction of the sliding grooves under the continuous tension of the telescopic springs; and the stability of the chain in a tensioned state is kept.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of tensioning equipment, in particular to a chain positioning and tensioning tool. Background Art

[0002] Chains are devices composed of many circular connecting parts, usually used to transmit power or carry loads. They are common and important components in mechanical systems and are used in various applications such as conveyors, motorcycles, bicycles, industrial machinery, etc. Chain positioning and tensioning tools are devices used to tighten the chain to facilitate operators to conduct inspections;

[0003] Existing chain positioning and tensioning tooling generally adopts the method of setting the chain on a roller without providing a chain clamping structure, which results in the chain being unable to be guaranteed to be stable in the plane during rotation, making it inconvenient for operators to detect and observe, and difficult to meet actual use requirements. Utility Model Content

[0004] The purpose of the utility model is to provide a chain positioning and tensioning tool to solve the problem that the existing chain positioning and tensioning tool generally adopts the method of sleeve-setting the chain on a roller without providing a chain clamping structure, resulting in the chain being unable to be guaranteed to be stable in the plane during rotation, being inconvenient for operators to detect and observe, and being difficult to meet actual use needs.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a chain positioning and tensioning tool, comprising: a mounting plate, a mounting seat is fixedly connected to the top surface of the mounting plate, a tensioning groove is provided on the top surface of the mounting seat, a driving motor is fixedly connected to one side of the mounting seat, a hydraulic telescopic column is provided at the output end of the driving motor, a tensioning block is fixedly connected to one end of the hydraulic telescopic column, a rotating motor is fixedly connected to the top of the tensioning block, a rotating column is provided at the output end of the rotating motor, a chain tray is fixedly connected to the top of the rotating column, a positioning column is fixedly connected to the center of the top surface of the chain tray, a sliding groove is provided on the side of the positioning column, a telescopic spring is fixedly connected to the top of the slide groove, a chain pressing slider is fixedly connected to the bottom end of the telescopic spring, and a positioning clip is fixedly connected to the side of the positioning column.

[0006] As a further solution of the utility model: the driving motor, the hydraulic telescopic column, the tensioning block and the connection structure thereof are provided in two groups, which are symmetrically arranged at both ends of the mounting seat, and the two groups of tensioning blocks are adapted to the specifications of the tensioning grooves.

[0007] As a further solution of the utility model: the side surfaces of the positioning column are symmetrically provided with slide groove structures in four directions, and the insides of the four groups of slide grooves are provided with telescopic springs and compression chain slider structures of the same number and specifications.

[0008] As a further solution of the utility model: the positioning clips are fixedly connected to the side of the positioning column, and the positioning clips are arranged in several groups and are staggered with the slide grooves on the side of the positioning column.

[0009] As a further solution of the utility model: connecting rods are fixedly connected on both sides of the tensioning block, a first folding belt is fixedly connected to one side of the tensioning groove, and a second folding belt is fixedly connected to the other side of the tensioning groove. A connecting folding belt is provided at one end of the tensioning block, and a connecting tube is fixedly connected to one end of the first folding belt.

[0010] As a further solution of the utility model: one end of the first folding belt and the second folding belt are respectively fixedly connected to both sides of the tensioning groove, and the first folding belt, the second folding belt and the end of the connecting folding belt connected to the tensioning block are all provided with a connecting tube structure adapted to the specifications of the connecting rod.

[0011] As a further solution of the utility model: one end of the mounting plate is threadedly connected with a mounting bolt, the mounting bolt passes through the mounting plate and is threadedly connected, and a plurality of groups of the mounting bolts are provided.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The utility model uses the driving motors on both sides to make the hydraulic telescopic column horizontally telescopic and drive the tensioning block to move relatively horizontally in the tensioning groove, so that the chain set on the top can be mechanically controlled to be tightened according to the tensioning force required, which is more uniform and stable than manual operation. The two ends of the telescopic spring are respectively connected to two groups of tensioning blocks to improve the stability of the hydraulic telescopic column and the tensioning block when moving. The chain to be detected is set between the two groups of positioning columns and located on the top surface of the chain tray to keep the two ends of the chain on the same horizontal plane. The chain pressing slider moves steadily along the direction of the slide groove under the continuous tension of the telescopic spring. The constant pressure holding sleeve is arranged on the chain between the two groups of positioning columns to maintain the stability of the chain when it is in a tensioned state. One end of the first folding belt and the second folding belt are respectively fixedly connected to the two sides of the tensioning groove, and the other ends of the first folding belt and the second folding belt are fixedly connected to the two ends of the connecting folding belt through the connecting tube and the connecting rods on both sides of the tensioning block. The first folding belt, the connecting folding belt and the second folding belt are sequentially covered on the top of the tensioning groove. The three-section structure is adapted to the three sections of tensioning grooves separated by the two groups of tensioning blocks to prevent debris and impurities from falling into the tensioning groove during chain detection or operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of a chain positioning and tightening tooling described in the utility model;

[0015] Figure 2 It is a structural schematic diagram of a hydraulic telescopic column in a chain positioning and tightening tooling described in the utility model;

[0016] Figure 3 It is a structural schematic diagram of an enlarged view of point A in a chain positioning and tightening tooling described in the utility model;

[0017] Figure 4 It is a structural schematic diagram of a chain tray in a chain positioning and tightening tooling described in the utility model;

[0018] Figure 5 It is a structural schematic diagram of a connecting folding belt in a chain positioning and tightening tooling described in the utility model;

[0019] Figure 6 It is a structural schematic diagram of an enlarged view of position B in a chain positioning and tightening tooling described in the utility model.

[0020] In the figure: 1. mounting plate; 2. mounting seat; 3. tensioning groove; 4. driving motor; 5. hydraulic telescopic column; 6. tensioning block; 7. rotating motor; 8. rotating column; 9. chain tray; 10. positioning column; 11. slide groove; 12. telescopic spring; 13. chain pressing slider; 14. positioning card strip; 15. connecting rod; 16. first folding belt; 17. second folding belt; 18. connecting folding belt; 19. connecting tube; 20. mounting bolt. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, which are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as a limitation of the present utility model. In addition, the terms "first", "second", and "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "set" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be the internal connection of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances. The following is an explanation of the embodiments of the present utility model based on the overall structure of the present utility model.

[0023] Reference Figures 1 to 6 In the embodiment of the utility model, a chain positioning and tensioning tooling comprises: a mounting plate 1, a mounting seat 2 is fixedly connected to the top surface of the mounting plate 1, a tensioning groove 3 is opened on the top surface of the mounting seat 2, a driving motor 4 is fixedly connected to one side of the mounting seat 2, a hydraulic telescopic column 5 is arranged at the output end of the driving motor 4, a tensioning block 6 is fixedly connected to one end of the hydraulic telescopic column 5, a rotating motor 7 is fixedly connected to the top of the tensioning block 6, a rotating column 8 is arranged at the output end of the rotating motor 7, a chain tray 9 is fixedly connected to the top of the rotating column 8, a positioning column 10 is fixedly connected to the center of the top surface of the chain tray 9, a slide groove 11 is opened on the side of the positioning column 10, a telescopic spring 12 is fixedly connected to the top of the slide groove 11, a chain pressing slider 13 is fixedly connected to the bottom end of the telescopic spring 12, and a positioning card strip 14 is fixedly connected to the side of the positioning column 10.

[0024] Reference Figures 1 to 6 There are two groups of driving motors 4, hydraulic telescopic columns 5, tensioning blocks 6 and their connecting structures, which are symmetrically arranged at both ends of the mounting seat 2. The two groups of tensioning blocks 6 are compatible with the specifications of the tensioning grooves 3. The four sides of the positioning column 10 are symmetrically provided with slide grooves 11 structures in four directions. The four groups of slide grooves 11 are provided with telescopic springs 12 and chain pressure sliders 13 structures of the same number and specifications. The positioning strips 14 are fixedly connected to the sides of the positioning column 10. There are several groups of positioning strips 14, which are staggered with the slide grooves 11 on the sides of the positioning column 10.

[0025] The above scheme is adopted: the chain to be tested is sleeved between two groups of positioning columns 10, located on the top surface of the chain tray 9, so as to keep the two ends of the chain on the same horizontal plane. The chain pressing slider 13 stably presses the chain sleeved between the two groups of positioning columns 10 along the direction of the slide groove 11 under the continuous tension of the telescopic spring 12, so as to maintain the stability of the chain in the tensioned state.

[0026] Reference Figures 1 to 6 , connecting rods 15 are fixedly connected on both sides of the tensioning block 6, a first folding belt 16 is fixedly connected to one side of the tensioning groove 3, and a second folding belt 17 is fixedly connected to the other side of the tensioning groove 3, a connecting folding belt 18 is provided at one end of the tensioning block 6, and a connecting tube 19 is fixedly connected to one end of the first folding belt 16, and one end of the first folding belt 16 and the second folding belt 17 are respectively fixedly connected to both sides of the tensioning groove 3, and the ends of the first folding belt 16, the second folding belt 17 and the connecting folding belt 18 connected to the tensioning block 6 are all provided with a connecting tube 19 structure that is compatible with the specifications of the connecting rod 15, and a mounting bolt 20 is threadedly connected to one end of the mounting plate 1, and the mounting bolt 20 passes through the mounting plate 1 and is threadedly connected, and a number of groups are provided.

[0027] The above solution is adopted: the first folding belt 16, the connecting folding belt 18 and the second folding belt 17 are sequentially covered on the top of the tensioning groove 3, and the three-section structure is adapted to the three sections of the tensioning groove 3 separated by two groups of tensioning blocks 6 to prevent debris and impurities from falling into the tensioning groove 3 during chain detection or operation.

[0028] The working principle of the utility model is as follows: when in use, the mounting plate 1 is fixed to the specified operating position of the chain processing equipment by the mounting bolts 20, and the driving motors 4 on both sides make the hydraulic telescopic column 5 horizontally telescopic and drive the tensioning block 6 to move relatively horizontally in the tensioning groove 3, so that the chain sleeved on the top is mechanically controlled and tightened according to the tensioning force required, which is more uniform and stable than manual operation. The two ends of the telescopic spring 12 are respectively connected to two groups of tensioning blocks 6 to improve the stability of the hydraulic telescopic column 5 and the tensioning block 6 when moving. The chain to be tested is sleeved between the two groups of positioning columns 10 and is located on the top surface of the chain tray 9 to facilitate keeping the two ends of the chain on the same horizontal plane. The chain pressing slider 13 is on the telescopic spring 12 Under the continuous tension, the chain between the two groups of positioning columns 10 is stably pressed along the direction of the slide groove 11 to maintain the stability of the chain in the tightened state. One end of the first folding belt 16 and the second folding belt 17 are respectively fixedly connected to the two sides of the tensioning groove 3, and the other ends of the first folding belt 16 and the second folding belt 17 are fixedly connected to the two ends of the connecting folding belt 18 through the connecting tube 19 and the connecting rod 15 on both sides of the tensioning block 6. The first folding belt 16, the connecting folding belt 18 and the second folding belt 17 are sequentially covered on the top of the tensioning groove 3. The three-section structure is adapted to the three sections of the tensioning groove 3 separated by the two groups of tensioning blocks 6 to prevent debris and impurities from falling into the tensioning groove 3 during chain detection or operation.

[0029] What is described above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A chain positioning and tensioning tool, characterized in that: include: A mounting plate (1), wherein the top surface of the mounting plate (1) is fixedly connected to a mounting seat (2), the top surface of the mounting seat (2) is provided with a tensioning groove (3), one side of the mounting seat (2) is fixedly connected to a driving motor (4), the output end of the driving motor (4) is provided with a hydraulic telescopic column (5), one end of the hydraulic telescopic column (5) is fixedly connected to a tensioning block (6), the top of the tensioning block (6) is fixedly connected to a rotating motor (7), the output end of the rotating motor (7) is provided with a rotating column (8), the top of the rotating column (8) is fixedly connected to a chain tray (9), the center of the top surface of the chain tray (9) is fixedly connected to a positioning column (10), the side of the positioning column (10) is provided with a sliding groove (11), the top of the sliding groove (11) is fixedly connected to a telescopic spring (12), the bottom of the telescopic spring (12) is fixedly connected to a chain pressing slider (13), and the side of the positioning column (10) is fixedly connected to a positioning clamping strip (14).

2. A chain positioning and tightening tool according to claim 1, characterized in that: The driving motor (4), the hydraulic telescopic column (5), the tensioning block (6) and their connection structure are provided in two groups, which are symmetrically arranged at both ends of the mounting seat (2), and the two groups of tensioning blocks (6) are compatible with the specifications of the tensioning groove (3).

3. The chain positioning and tightening tool according to claim 1, characterized in that: The side surfaces of the positioning column (10) are symmetrically provided with slide grooves (11) structures in four directions, and the four groups of slide grooves (11) are provided with telescopic springs (12) and compression chain sliders (13) structures of the same number and specifications.

4. The chain positioning and tightening tool according to claim 1, characterized in that: The positioning clips (14) are fixedly connected to the side of the positioning column (10), and the positioning clips (14) are arranged in a plurality of groups and are arranged alternately with the slide grooves (11) on the side of the positioning column (10).

5. The chain positioning and tightening tool according to claim 1, characterized in that: Both sides of the tensioning block (6) are fixedly connected to connecting rods (15), one side of the tensioning groove (3) is fixedly connected to a first folding belt (16), and the other side of the tensioning groove (3) is fixedly connected to a second folding belt (17), one end of the tensioning block (6) is provided with a connecting folding belt (18), and one end of the first folding belt (16) is fixedly connected to a connecting tube (19).

6. A chain positioning and tightening tool according to claim 5, characterized in that: One end of the first folding belt (16) and the second folding belt (17) are respectively fixedly connected to the two sides of the tensioning groove (3), and one end of the first folding belt (16), the second folding belt (17) and the connecting folding belt (18) connected to the tensioning block (6) are all provided with a connecting tube (19) structure that is compatible with the specifications of the connecting rod (15).

7. The chain positioning and tightening tool according to claim 1, characterized in that: One end of the mounting plate (1) is threadedly connected with a mounting bolt (20), the mounting bolt (20) penetrates the mounting plate (1) and is threadedly connected, and a plurality of groups of mounting bolts (20) are provided.