Upper pulley device capable of counteracting lateral force of steel wire rope

Abstract

The upper pulley device capable of counteracting the lateral force of the steel wire rope comprises a fixing mechanism, a connecting mechanism is arranged on the right side of the fixing mechanism, pulley blocks are arranged on the sides, away from each other, of the fixing mechanism and the connecting mechanism, and mounting mechanisms are arranged at the bottoms of the two pulley blocks. Supporting mechanisms are arranged at the tops of the two pulley blocks, the fixing mechanism comprises a fixing plate, the fixing plate is arranged on the right side of the left pulley block, the connecting mechanism comprises a connecting plate, the connecting plate is arranged on the left side of the right pulley block, and a fixing groove matched with the connecting plate is formed in the right side of the fixing plate; the utility model solves the problems that only one group of pulley block is arranged, the diameter of the pulley shaft of the pulley block is larger, the pulley block is inconvenient to install, the pulley block is influenced by larger lateral force during use, and the applicability is limited.

Description

Technical Field

[0001] The utility model relates to the technical field of crane pulley blocks, in particular to an upper pulley device capable of offsetting the lateral force of a steel wire rope. Background Art

[0002] In order to improve work efficiency, factories currently use cranes with larger tonnage and higher wire rope ratios in the lifting mechanism. Usually, a set of upper pulley devices is set during the design.

[0003] However, only one pulley block is provided, the pulley shaft diameter of the pulley block is large, the installation is inconvenient, and the pulley block will be affected by a large lateral force when in use, and the applicability is limited. Utility Model Content

[0004] The purpose of this section is to summarize some aspects of the embodiments of the present invention and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and in the abstract and title of the present invention to avoid obscuring the purpose of this section, the abstract and the title of the utility model, and such simplifications or omissions shall not be used to limit the scope of the present invention.

[0005] Therefore, the purpose of the present invention is to provide an upper pulley device that can offset the lateral force of the wire rope, which can solve the problem that only one set of pulley blocks is set, the pulley shaft diameter of the pulley block is large, the installation is inconvenient, and the pulley block will be affected by a large lateral force during use, resulting in limited applicability.

[0006] In order to solve the above technical problems, the utility model provides an upper pulley device that can offset the lateral force of the wire rope, and adopts the following technical solution: it includes a fixing mechanism, a connecting mechanism is provided on the right side of the fixing mechanism, and pulley groups are provided on the side away from each other of the fixing mechanism and the connecting mechanism, the bottoms of the two groups of pulley groups are provided with mounting mechanisms, and the tops of the two groups of pulley groups are provided with supporting mechanisms.

[0007] Optionally, the fixing mechanism includes a fixing plate, which is arranged on the right side of the left pulley group; the connecting mechanism includes a connecting plate, which is arranged on the left side of the right pulley group; a fixing groove adapted to the connecting plate is opened on the right side of the fixing plate, and the connecting plate is slidably connected in the fixing groove.

[0008] By adopting the above technical solution, the two pulley groups are connected.

[0009] Optionally, the connecting plate is provided with a plurality of connecting holes, the fixing plate is provided with fixing bolts, the fixing bolts pass through the connecting holes, and fixing nuts are screwed onto the bottoms of the fixing bolts.

[0010] By adopting the above technical solution, the spacing between the pulley blocks can be adjusted.

[0011] Optionally, the pulley group includes two groups of side plates, a rotating shaft is provided between the two groups of side plates, multiple groups of pulleys are rotatably connected to the rotating shaft, the mounting mechanism includes a mounting plate, and the supporting mechanism includes a supporting frame.

[0012] By adopting the above technical solution, a pulley block is provided.

[0013] Optionally, the mounting plate is arranged at the bottom of the two groups of side plates, and bottom plates are provided on both sides of the bottom of the mounting plate.

[0014] The pulley block is installed by adopting the above technical solution.

[0015] Optionally, support plates are provided at the bottom of both sides of the support frame, support bolts are inserted into two groups of support plates, and the two groups of support bolts are respectively screwed to the tops of the two groups of side plates.

[0016] By adopting the above technical solution, the pulley block is supported.

[0017] To sum up, the present invention includes at least one of the following beneficial effects: by setting a fixing mechanism in conjunction with a connecting mechanism, the two pulley groups are connected, thereby reducing the pulley shaft diameter and the single shaft diameter, balancing the lateral force of the wire rope of the two upper pulley groups, and enhancing the service life of the rotating shaft in the pulley group. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0019] Figure 1 It is a structural diagram of the utility model;

[0020] Figure 2 for Figure 1 A schematic diagram of the enlarged structure of the middle part A;

[0021] Figure 3 This is a schematic diagram of the pulley structure of the utility model.

[0022] Explanation of the accompanying drawings: 1. Fixing mechanism; 101. Fixing plate; 102. Fixing groove; 103. Fixing bolt; 104. Fixing nut; 2. Connecting mechanism; 201. Connecting plate; 202. Connecting hole; 3. Pulley block; 301. Side plate; 302. Rotating shaft; 303. Pulley; 4. Mounting mechanism; 401. Mounting plate; 402. Bottom plate; 5. Supporting mechanism; 501. Support frame; 502. Support plate; 503. Supporting bolt. DETAILED DESCRIPTION

[0023] The following is combined with Figure 1-3 The utility model is described in further detail.

[0024] Example 1, refer to Figure 1 In order to solve the problem that only one set of pulley blocks is set, the pulley block pulley shaft diameter is large, the installation is inconvenient, and the pulley block is affected by a large lateral force during use, resulting in limited applicability, the utility model discloses an upper pulley device that can offset the lateral force of the wire rope, including a fixing mechanism 1, a connecting mechanism 2 is provided on the right side of the fixing mechanism 1, a pulley block 3 is provided on the side away from each other of the fixing mechanism 1 and the connecting mechanism 2, the bottom of the two pulley blocks 3 is provided with a mounting mechanism 4, and the top of the two pulley blocks 3 is provided with a supporting mechanism 5.

[0025] Based on the above features, the working principle of this embodiment is: the fixing mechanism 1 is set on the right side of the pulley group 3, the connecting mechanism 2 is set on the left side of the other pulley group 3, the connecting mechanism 2 is connected to the fixing mechanism 1, and the two pulley groups 3 are connected to balance the lateral force of the wire rope of the two upper pulley groups.

[0026] Example 2, refer to Figure 2-3In order to solve the problem that only one pulley group is set, the pulley group pulley shaft diameter is large, the installation is inconvenient, and the pulley group will be affected by a large lateral force during use, and the applicability is limited, based on the same concept as the above-mentioned embodiment 1, the upper pulley device that can offset the lateral force of the wire rope also includes a fixing mechanism 1 including a fixing plate 101, the fixing plate 101 is arranged on the right side of the left pulley group 3, the connecting mechanism 2 includes a connecting plate 201, the connecting plate 201 is arranged on the left side of the right pulley group 3, a fixing groove 102 adapted to the connecting plate 201 is provided on the right side of the fixing plate 101, the connecting plate 201 is slidably connected in the fixing groove 102, a plurality of connecting holes 202 are provided on the connecting plate 201, and the fixing plate 10 1 is provided with a fixing bolt 103, which passes through the connecting hole 202. The bottom of the fixing bolt 103 is screwed with a fixing nut 104. The pulley group 3 includes two groups of side plates 301. A rotating shaft 302 is provided between the two groups of side plates 301. Multiple groups of pulleys 303 are rotatably connected to the rotating shaft 302. The mounting mechanism 4 includes a mounting plate 401. The supporting mechanism 5 includes a supporting frame 501. The mounting plate 401 is provided at the bottom of the two groups of side plates 301. Bottom plates 402 are provided on both sides of the bottom of the mounting plate 401. Support plates 502 are provided on the bottom of both sides of the support frame 501. Support bolts 503 are inserted on both groups of support plates 502. The two groups of support bolts 503 are screwed on the top of the two groups of side plates 301 respectively.

[0027] Based on the above features, the working principle of this embodiment is: the fixing plate 101 is set on the side plate 301 on the right side of the pulley group 3, the connecting plate 201 is set on the side plate 301 on the left side of the other pulley group 3, the connecting plate 201 is inserted into the fixing groove 102, the fixing bolt 103 is passed through the fixing plate 101 and the connecting hole 202, the fixing nut 104 is screwed on the fixing bolt 103, the two pulley groups 3 are connected, and the wire rope is passed through the pulley groups 3 on the left and right sides respectively to balance the lateral force of the wire rope of the two upper pulley groups.

[0028] The above are all preferred embodiments of the present invention, and are not intended to limit the scope of protection of the present invention. Therefore, any equivalent changes made based on the structure, shape, and principle of the present invention should be included in the scope of protection of the present invention.

Claims

1. An upper pulley device capable of counteracting the lateral force of a wire rope, comprising a fixing mechanism (1), characterized in that: A connecting mechanism (2) is provided on the right side of the fixing mechanism (1), a pulley block (3) is provided on the side of the fixing mechanism (1) and the connecting mechanism (2) that are away from each other, a mounting mechanism (4) is provided at the bottom of the two pulley blocks (3), and a supporting mechanism (5) is provided at the top of the two pulley blocks (3).

2. The upper pulley device capable of offsetting the lateral force of the wire rope according to claim 1, characterized in that: The fixing mechanism (1) comprises a fixing plate (101), the fixing plate (101) being arranged on the right side of the left pulley block (3); the connecting mechanism (2) comprises a connecting plate (201), the connecting plate (201) being arranged on the left side of the right pulley block (3); a fixing groove (102) adapted to the connecting plate (201) is provided on the right side of the fixing plate (101), and the connecting plate (201) is slidably connected in the fixing groove (102).

3. The upper pulley device capable of offsetting the lateral force of the wire rope according to claim 2, characterized in that: The connecting plate (201) is provided with a plurality of connecting holes (202), the fixing plate (101) is provided with fixing bolts (103), the fixing bolts (103) pass through the connecting holes (202), and the bottom of the fixing bolts (103) is screwed with fixing nuts (104).

4. The upper pulley device capable of offsetting the lateral force of a wire rope according to claim 1, characterized in that: The pulley assembly (3) comprises two groups of side plates (301), a rotating shaft (302) is provided between the two groups of side plates (301), and multiple groups of pulleys (303) are rotatably connected to the rotating shaft (302). The mounting mechanism (4) comprises a mounting plate (401), and the supporting mechanism (5) comprises a supporting frame (501).

5. The upper pulley device capable of offsetting the lateral force of the wire rope according to claim 4, characterized in that: The mounting plate (401) is arranged at the bottom of the two sets of side plates (301), and bottom plates (402) are provided on both sides of the bottom of the mounting plate (401).

6. The upper pulley device capable of offsetting the lateral force of the wire rope according to claim 4, characterized in that: Support plates (502) are provided at the bottoms of both sides of the support frame (501), and support bolts (503) are inserted into the two groups of support plates (502). The two groups of support bolts (503) are respectively screwed to the tops of the two groups of side plates (301).

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