A crane grab pulley block wire positioning device
Patent Information
- Application Number
- CN202522508324.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-11-26
- Publication Date
- 2026-10-09
- Estimated Expiration
- 2035-11-26
AI Technical Summary
[0003]本实用新型提出一种起重机抓斗滑轮组钢丝绳定位装置,解决了相关技术中的起重机在作业时,其滑轮组钢丝绳容易出现跳槽,轻则需要将跳槽钢丝绳拨回滑轮组内,重则可能会出现钢丝绳打结,需要对钢丝绳进行更换问题
[0012]本实用新型中通过设置第一护杆、第二护杆、连接杆、连接头和安装板,在起重机作业前,将多个第一护杆和第二护杆安装在滑轮组主体的外侧,第二护杆两端的第一插接头会插入凹槽内部,从而将第一护杆和第二护杆连接,安装板一端的第一弧形板处在滑轮组主体两端的第二弧形板一侧,第一弧形板一侧的插接板插入第二弧形板内部,然后将第二固定螺栓滑动贯穿第一弧形板与第二弧形板,从而对第一护杆和第二护杆进行安装固定,通过第一护杆和第二护杆对滑轮组主体进行防护,避免钢丝绳跳槽,提高效率。
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Figure CN224831868U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of wire rope positioning technology for pulley blocks, specifically to a wire rope positioning device for a crane grab bucket pulley block. Background Technology
[0002] A crane is a multi-action lifting machine that vertically lifts and horizontally moves heavy objects within a certain range. It uses mechanical force to lift, balance, and move objects, and is commonly used in construction sites, ports, and industrial settings. The main function of a crane is to improve construction efficiency and reduce manual labor intensity. The working principle of a crane mainly relies on mechanical equipment and mechanical principles, achieving motion and attitude control of heavy objects through the coordinated action of various mechanical structures and power transmission devices. In existing technologies, during crane operation, the wire rope of the pulley block is prone to jumping out of its groove. This can range from simply returning the jumped wire rope to the pulley block, to more serious issues like knotting, requiring replacement. Therefore, this utility model proposes a crane grab bucket pulley block wire rope positioning device. Utility Model Content
[0003] This utility model proposes a crane grab bucket pulley block wire rope positioning device, which solves the problem in related technologies where the wire rope of the crane pulley block is prone to jumping out of the groove during operation. In mild cases, the wire rope needs to be pulled back into the pulley block, while in severe cases, the wire rope may become knotted and need to be replaced.
[0004] The technical solution of this utility model is as follows: A crane grab bucket pulley block wire rope positioning device includes multiple first guard rods and second guard rods installed on the outside of the pulley block body. A plug-in structure for connecting the first guard rods and the second guard rods is provided between them. Two connecting rods are fixedly provided between the first guard rods and the second guard rods respectively. Both ends of the connecting rods are fixedly provided with connectors. An auxiliary structure for reinforcement is provided between two adjacent connectors. A mounting plate is provided on one side of each connector on the other side. One end of the mounting plate slides through a first fixing bolt, and the first fixing bolt is threadedly connected to the inside of the connector. The other end of the mounting plate is provided with a mounting structure for fixing.
[0005] Preferably, the plug-in structure includes a plurality of first plugs, which are respectively fixedly installed at both ends of a plurality of second guard rods. Both ends of the pulley block body are provided with grooves, and the first plugs are inserted into the grooves.
[0006] Preferably, the auxiliary structure includes multiple fixing rods, each fixing rod being located between two adjacent connectors. Each fixing rod has a fixing plate fixedly installed at both ends, with the fixing plate located on one side of the connector. Each fixing plate has a second connector fixedly installed on one side, and the second connector is inserted into the connector.
[0007] Preferably, the mounting structure includes multiple first arc-shaped plates, each of which is fixedly mounted on one end of a mounting plate. A guide structure for preliminary positioning is provided on one side of each first arc-shaped plate. Multiple second arc-shaped plates are fixedly mounted on both sides of the pulley block body. One side of each first arc-shaped plate is in contact with one side of each second arc-shaped plate. Two second fixing bolts slide through the interior of each first arc-shaped plate, and the second fixing bolts slide through the second arc-shaped plate. A reinforcing structure for improving strength is provided between the mounting plate and the first arc-shaped plate.
[0008] Preferably, the guide structure includes a plug plate, which is fixedly installed on one side of the first arc-shaped plate and penetrates the interior of the second arc-shaped plate.
[0009] Preferably, the second arc-shaped plate has an insertion slot inside, and the size of the insertion plate is adapted to the insertion slot.
[0010] Preferably, the reinforcing structure includes two reinforcing plates, which are fixedly installed on both sides of the mounting plate, and the other side of the reinforcing plate is fixedly connected to one side of the first arc-shaped plate.
[0011] The beneficial effects of this utility model are as follows:
[0012] In this invention, by setting up a first guard rod, a second guard rod, a connecting rod, a connecting head, and a mounting plate, multiple first and second guard rods are installed on the outside of the pulley block body before crane operation. The first plugs at both ends of the second guard rod are inserted into the grooves to connect the first and second guard rods. The first arc-shaped plate at one end of the mounting plate is located on one side of the second arc-shaped plate at both ends of the pulley block body. The plug plate on one side of the first arc-shaped plate is inserted into the second arc-shaped plate. Then, the second fixing bolt is slidably passed through the first arc-shaped plate and the second arc-shaped plate to install and fix the first and second guard rods. The first and second guard rods protect the pulley block body, prevent the wire rope from jumping out of the groove, and improve efficiency. Attached Figure Description
[0013] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.
[0014] Figure 1 This is a perspective view of the entire utility model;
[0015] Figure 2 This is a schematic diagram of the connection structure between the first arc-shaped plate and the second arc-shaped plate of this utility model;
[0016] Figure 3 This is a schematic diagram of the connection structure between the first guard rod and the second guard rod of this utility model;
[0017] Figure 4 This is a schematic diagram of the exploded structure of this utility model;
[0018] Figure 5 This utility model Figure 2 Enlarged structural diagram of section A.
[0019] In the diagram: 1. Main body of the pulley block; 2. First guard rod; 3. Second guard rod; 4. First connector; 5. Connecting rod; 6. Connector; 7. Fixing rod; 8. Fixing plate; 9. Second connector; 10. Mounting plate; 11. First fixing bolt; 12. First arc-shaped plate; 13. Connecting plate; 14. Second arc-shaped plate; 15. Second fixing bolt; 16. Reinforcing plate; 17. Groove. Detailed Implementation
[0020] The technical solutions of this utility model will be clearly and completely described below with reference to the embodiments of this utility model. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of this utility model.
[0021] Example
[0022] like Figures 1-5 As shown, this embodiment proposes a crane grab bucket pulley block wire rope positioning device, including multiple first guard rods 2 and second guard rods 3 installed on the outside of the pulley block body 1. A plug-in structure for connection is provided between the first guard rods 2 and second guard rods 3. Two connecting rods 5 are fixedly installed between the first guard rods 2 and second guard rods 3 respectively. Connecting heads 6 are fixedly installed at both ends of each connecting rod 5. An auxiliary structure for reinforcement is provided between two adjacent connecting heads 6. A mounting plate 10 is provided on one side of each connecting head 6 on the other side. One end of the mounting plate 10 slides through a first fixing bolt 11, and... The first fixing bolt 11 is internally threaded to the connector 6. The other end of the mounting plate 10 is provided with a mounting structure for fixing. Before the crane operates, multiple first guard rods 2 and second guard rods 3 are installed on the outside of the pulley block body 1. The connectors 6 on one side of the first guard rod 2 and the second guard rod 3 are provided with mounting plates 10, which are fixed by the first fixing bolt 11. Then, the first guard rods 2 and the second guard rods 3 are fixed by the mounting structure at one end of the mounting plate 10. The pulley block body 1 is protected by the first guard rods 2 and the second guard rods 3 to prevent the wire rope from jumping out of the groove and improve efficiency.
[0023] The plug-in structure includes multiple first plugs 4, which are fixedly installed at both ends of multiple second guard rods 3. Both ends of the pulley block body 1 are provided with grooves 17. The first plugs 4 are inserted into the grooves 17. When the first guard rod 2 and the second guard rod 3 are installed on the outside of the pulley block body 1, the first plugs 4 at both ends of the second guard rod 3 will be inserted into the grooves 17, thereby connecting the first guard rod 2 and the second guard rod 3, so that they are fitted on the outside of the pulley block body 1.
[0024] The auxiliary structure includes multiple fixing rods 7, which are respectively located between two adjacent connectors 6. Both ends of the fixing rods 7 are fixedly provided with fixing plates 8, and the fixing plates 8 are located on one side of the connectors 6. A second connector 9 is fixedly provided on one side of each fixing plate 8, and the second connector 9 is inserted into the connector 6. When the first guard rod 2 and the second guard rod 3 are sleeved on the outside of the pulley block body 1, the fixing rods 7 are positioned between two adjacent connectors 6, and the second connectors 9 on one side of the fixing plates 8 at both ends of the fixing rods 7 are inserted into the connectors 6, thereby reinforcing the first guard rod 2 and the second guard rod 3.
[0025] The mounting structure includes multiple first arc-shaped plates 12, which are fixedly mounted on one end of the mounting plate 10. A guide structure for initial positioning is provided on one side of the first arc-shaped plate 12. Multiple second arc-shaped plates 14 are fixedly mounted on both sides of the pulley block body 1. One side of the first arc-shaped plate 12 is attached to one side of the second arc-shaped plate 14. Two second fixing bolts 15 slide through the inside of the first arc-shaped plate 12, and the second fixing bolts 15 slide through the second arc-shaped plate 14. A reinforcing structure for improving strength is provided between the mounting plate 10 and the first arc-shaped plate 12. After the first guard rod 2 and the second guard rod 3 are fitted onto the outside of the pulley block body 1, the first arc-shaped plates 12 at one end of the mounting plate 10 on both sides of the first guard rod 2 and the second guard rod 3 are positioned on one side of the second arc-shaped plates 14 at both ends of the pulley block body 1. Initial positioning is achieved through the guide structure. Then, the second fixing bolts 15 slide through the first arc-shaped plates 12 and the second arc-shaped plates 14, thereby installing and fixing the first guard rod 2 and the second guard rod 3.
[0026] The guide structure includes a plug plate 13, which is fixedly installed on one side of the first arc plate 12 and penetrates the interior of the second arc plate 14. When the first arc plate 12 is on one side of the second arc plate 14, the plug plate 13 on one side of the first arc plate 12 is inserted into the interior of the second arc plate 14, thereby guiding the first guard rod 2 and the second guard rod 3 and limiting their movement.
[0027] The second arc plate 14 has an insertion slot inside. The size of the insertion plate 13 is adapted to the insertion slot. The insertion plate 13 is inserted into the second arc plate 14, thereby connecting the first arc plate 12 and the second arc plate 14.
[0028] The reinforcing structure includes two reinforcing plates 16, which are fixedly installed on both sides of the mounting plate 10. The other side of the reinforcing plate 16 is fixedly connected to one side of the first arc-shaped plate 12. The reinforcing plate 16 is fixedly installed between the mounting plate 10 and the first arc-shaped plate 12, thereby improving the strength between the mounting plate 10 and the first arc-shaped plate 12.
[0029] In this embodiment, before the crane operates, multiple first guard rods 2 and second guard rods 3 are installed on the outside of the pulley block body 1. The first connectors 4 at both ends of the second guard rod 3 are inserted into the grooves 17 to connect the first guard rods 2 and the second guard rod 3. The connectors 6 on one side of the first guard rod 2 and the second guard rod 3 are provided with mounting plates 10, which are fixed by first fixing bolts 11. The first arc plate 12 at one end of the mounting plate 10 is located on the side of the second arc plate 14 at both ends of the pulley block body 1. The connector plate 13 on one side of the first arc plate 12 is inserted into the second arc plate 14 to guide and limit the first guard rods 2 and the second guard rod 3. Then, the second fixing bolts 15 slide through the first arc plate 12 and the second arc plate 14 to install and fix the first guard rods 2 and the second guard rod 3. The first guard rods 2 and the second guard rod 3 protect the pulley block body 1, prevent the wire rope from jumping out of the groove, and improve efficiency.
[0030] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model shall be included within the protection scope of the present utility model.
Claims
1. A crane grab bucket pulley block wire rope positioning device, characterized in that, The system includes multiple first guard rods (2) and second guard rods (3) installed on the outside of the pulley block body (1). A plug-in structure for connecting the first guard rods (2) and the second guard rods (3) is provided. Two connecting rods (5) are fixedly provided between the first guard rods (2) and the second guard rods (3). Both ends of the connecting rods (5) are fixedly provided with connectors (6). An auxiliary structure for reinforcement is provided between two adjacent connectors (6). A mounting plate (10) is provided on one side of the connector (6). One end of the mounting plate (10) slides through the first fixing bolt (11), and the first fixing bolt (11) is threadedly connected to the inside of the connector (6). The other end of the mounting plate (10) is provided with a mounting structure for fixing.
2. The crane grab bucket pulley block wire rope positioning device according to claim 1, characterized in that, The plug-in structure includes multiple first plugs (4), which are fixedly installed at both ends of multiple second guard rods (3). Both ends of the pulley block body (1) are provided with grooves (17), and the first plugs (4) are inserted into the grooves (17).
3. The crane grab bucket pulley block wire rope positioning device according to claim 1, characterized in that, The auxiliary structure includes multiple fixing rods (7), which are located between two adjacent connectors (6). Both ends of the fixing rods (7) are fixedly provided with fixing plates (8), and the fixing plates (8) are located on one side of the connectors (6). A second plug (9) is fixedly provided on one side of the fixing plates (8), and the second plug (9) is inserted into the connector (6).
4. The crane grab bucket pulley block wire rope positioning device according to claim 1, characterized in that, The installation structure includes multiple first arc plates (12), each of which is fixedly installed on one end of the mounting plate (10). A guide structure for preliminary positioning is provided on one side of the first arc plate (12). Multiple second arc plates (14) are fixedly provided on both sides of the pulley block body (1). One side of the first arc plate (12) is attached to one side of the second arc plate (14). Two second fixing bolts (15) slide through the inside of the first arc plate (12), and the second fixing bolts (15) slide through the second arc plate (14). A reinforcing structure for improving strength is provided between the mounting plate (10) and the first arc plate (12).
5. A crane grab bucket pulley block wire rope positioning device according to claim 4, characterized in that, The guide structure includes a plug plate (13), which is fixedly installed on one side of the first arc plate (12) and penetrates the interior of the second arc plate (14).
6. A crane grab bucket pulley block wire rope positioning device according to claim 5, characterized in that, The second arc-shaped plate (14) has an insertion slot inside, and the size of the insertion plate (13) is adapted to the insertion slot.
7. A crane grab bucket pulley block wire rope positioning device according to claim 4, characterized in that, The reinforcing structure includes two reinforcing plates (16), which are fixedly installed on both sides of the mounting plate (10), and the other side of the reinforcing plate (16) is fixedly connected to one side of the first arc-shaped plate (12).