A belt positioning shoulder type hoist headstock

Abstract

The utility model relates to the field of hoist axle, especially a kind of positioning shaft shoulder type hoist sheave axle, including sheave axle, the equal-distance distribution expansion slot is set in the both sides outer wall of sheave axle, and the driving slot is set in the one end of expansion slot of sheave axle, positioning structure is equipped in sheave axle in expansion slot and driving slot, and the driving assembly is equipped in the both end center of sheave axle;Positioning structure includes the two-way screw rod rotationally connected in the center of driving slot, the threaded block of screw connection in the both end outer wall of two-way screw rod, the support rod of hinged in the outer wall of threaded block side. The utility model changes hoist sheave axle form, and adjustable position expansion slot is added in axle, rope wheel is fixed in axial direction, avoid the rope wheel axial movement and support scraping on axle, reduce the occurrence of abrasion or jam accident, to effectively increase production efficiency.

Description

Technical Field

[0001] This utility model relates to the field of hoist spindle technology, and in particular to a hoist sheave spindle with positioning shoulder. Background Technology

[0002] The hoist sheave spindle is a key guiding component in the hoisting system, its core function being to support and guide the movement trajectory of the hoisting wire rope. It primarily performs the following functions: 1. Guiding function: Changing the direction of the wire rope's movement to achieve power transmission between vertical hoisting and horizontal winch operation; 2. Tension adjustment: Balancing the wire rope tension through the sheave diameter and rope groove design to reduce vibration; 3. Load support: Bearing the combined dynamic and static stresses of the hoisting container and load.

[0003] The original design was flawed; the two bearings of the rope pulley lacked axial positioning. The axial movement of the rope pulley on the spindle would cause it to scrape against the support, resulting in wear or jamming. This would necessitate machine shutdown for repairs, affecting production. Utility Model Content

[0004] The purpose of this utility model is to address the aforementioned problems and shortcomings by proposing a hoist sheave mandrel with a positioning shoulder: by changing the form of the hoist sheave mandrel and adding an adjustable telescopic groove to the mandrel, the rope wheel is fixed in the axial direction, preventing the rope wheel from moving axially on the mandrel and scraping against the support, reducing wear or jamming accidents, and thus effectively increasing production efficiency.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A sheave spindle for a hoist with a positioning shoulder includes a sheave spindle. Both outer walls of the sheave spindle have equidistantly distributed telescopic grooves, and a drive groove is formed at one end of each telescopic groove. A positioning structure is provided within the telescopic grooves and drive grooves of the sheave spindle, and drive assemblies are located at the center of both ends of the sheave spindle. The positioning structure includes a bidirectional screw rotatably connected to the center of the drive groove, threaded blocks threaded to the outer walls of both ends of the bidirectional screw, a support rod hinged to one outer wall of the threaded blocks, and a hinged seat hinged to the other end of the support rod. The drive assembly includes a transmission groove formed at the center of both ends of the sheave spindle and a transmission hole formed between the transmission groove and the drive groove on the sheave spindle.

[0007] According to the above solution: by changing the form of the hoist sheave spindle and adding an adjustable telescopic groove to the spindle, the rope sheave is fixed in the axial direction, which avoids the rope sheave from moving axially on the spindle and scraping against the support, reducing the occurrence of wear or jamming accidents, thereby effectively increasing production efficiency.

[0008] Preferably, a telescopic block is installed on the outer wall of the other side of the hinge seat, and the two outer walls of the telescopic block are slidably connected to the inner wall of the telescopic groove.

[0009] Preferably, positioning rings are inserted at both ends of the sheave spindle at the transmission groove, and sliding shafts are rotatably connected to the inner and outer walls of the positioning rings;

[0010] According to the above scheme: the threaded block pulls the telescopic block to extend and retract in the telescopic groove through the support rod and the hinge seat, so that a positioning telescopic groove appears on the sheave spindle, which avoids the rope wheel from moving axially on the spindle and scraping against the support, reduces wear or jamming accidents, and facilitates adjustment.

[0011] Preferably, a drive worm gear is installed on the outer wall of the bidirectional screw at the center of the transmission hole, and a drive worm is welded to the outer wall of one end of the sliding shaft, with the drive worm meshing with the drive worm gear.

[0012] Preferably, an auxiliary hole is provided at the other end of the sliding shaft, and an auxiliary handle is slidably connected in the auxiliary hole, with limit blocks welded to both ends of the auxiliary handle.

[0013] Preferably, one side of the outer wall of the telescopic block is flush with the outer wall of the head wheel spindle.

[0014] Preferably, the positioning ring is rotatably mounted at different positions on the outer wall of the sliding shaft.

[0015] The beneficial effects of this utility model are as follows:

[0016] 1. By changing the form of the hoist sheave spindle and adding an adjustable telescopic groove to the spindle, the rope sheave is fixed in the axial direction, which prevents the rope sheave from moving axially on the spindle and scraping against the support, reducing wear or jamming accidents, and thus effectively increasing production efficiency.

[0017] 2. The threaded block pulls the telescopic block in the telescopic groove through the support rod and the hinge seat, so that the telescopic groove for positioning appears on the sheave spindle, which avoids the rope wheel from moving axially on the spindle and scraping against the support, reducing wear or jamming accidents, and facilitating adjustment. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of the sheave spindle of a hoist with a positioning shoulder, as proposed in this utility model.

[0019] Figure 2 This is a partial cross-sectional structural diagram of the sheave spindle of a hoist with a positioning shoulder, as proposed in this utility model.

[0020] Figure 3 This is a schematic diagram of the cross-sectional structure of a sheave shaft with a positioning shoulder type for a hoist, as proposed in this utility model.

[0021] Figure 4 This is a schematic diagram of the overall structure of the positioning structure of the sheave spindle of a hoist with a positioning shoulder, as proposed in this utility model.

[0022] In the diagram: 1. Sheave spindle, 2. Telescopic groove, 3. Drive groove, 4. Transmission groove, 5. Transmission hole, 6. Positioning structure, 7. Drive assembly, 8. Bidirectional screw, 9. Threaded block, 10. Support rod, 11. Hinge seat, 12. Telescopic block, 13. Drive worm gear, 14. Sliding shaft, 15. Positioning ring, 16. Drive worm, 17. Auxiliary handle. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0024] Example 1:

[0025] Reference Figure 1-4 A type of hoist sheave spindle with positioning shoulder includes a sheave spindle 1. Both outer walls of the sheave spindle 1 are provided with equally spaced telescopic grooves 2, and a drive groove 3 is provided at one end of each telescopic groove 2. A positioning structure 6 is provided in the telescopic groove 2 and the drive groove 3 of the sheave spindle 1, and a drive assembly 7 is provided at the center of both ends of the sheave spindle 1. Both ends of the sheave spindle 1 are provided with multiple positioning structures 6 to facilitate adjustment of the positioning position.

[0026] The drive assembly 7 includes a transmission groove 4 located at the center of both ends of the sheave shaft 1 and a transmission hole 5 located between the transmission groove 4 and the drive groove 3 on the sheave shaft 1.

[0027] Positioning rings 15 are inserted at both ends of the wheel spindle 1 at the transmission groove 4, and sliding shafts 14 are rotatably connected to the inner and outer walls of the positioning rings 15.

[0028] An auxiliary hole is provided at the other end of the sliding shaft 14, and an auxiliary handle 17 is slidably connected in the auxiliary hole. Limit blocks are welded to both ends of the auxiliary handle 17. The auxiliary handle 17 drives the sliding shaft 14 and the drive worm wheel 13 to rotate. After the drive worm 16 rotates, it drives the drive worm wheel 13 to rotate. After the drive worm wheel 13 rotates, it drives the bidirectional screw 8 to rotate in the drive groove 3.

[0029] The positioning ring 15 is rotatably installed at different positions on the outer wall of the sliding shaft 14. The positioning ring 15 is installed at different positions on the sliding shaft 14 so that the drive worm 16 on the sliding shaft 14 meshes with the drive worm wheel 13 at different positions, which facilitates drive adjustment.

[0030] Example 2:

[0031] Reference Figure 1-4 The positioning structure 6 includes a bidirectional screw 8 rotatably connected to the center of the drive groove 3, threaded blocks 9 threadedly connected to the outer walls of both ends of the bidirectional screw 8, a support rod 10 hinged to one side of the outer wall of the threaded block 9, and a hinge seat 11 hinged to the other end of the support rod 10. The threaded blocks 9, support rod 10 and hinge seat 11 at both ends of the bidirectional screw 8 cooperate with each other to adjust the position of the telescopic block 12 in the telescopic groove 2 and adjust the positioning depth of the telescopic groove 2, which is convenient for adjustment.

[0032] A telescopic block 12 is installed on the outer wall of the other side of the hinge seat 11, and the two outer walls of the telescopic block 12 are slidably connected to the inner wall of the telescopic groove 2. The threaded block 9 pulls the telescopic block 12 in the telescopic groove 2 through the support rod 10 and the hinge seat 11. The telescopic block 12 is pulled into the telescopic groove 2, so that the telescopic groove 2 for positioning appears on the sheave spindle 1.

[0033] A drive worm gear 13 is installed on the outer wall of the double-acting screw 8 at the center of the transmission hole 5, and a drive worm 16 is welded to the outer wall of one end of the sliding shaft 14. The drive worm 16 meshes with the drive worm gear 13, and the telescopic block 12 is pulled into the telescopic groove 2, so that the telescopic groove 2 for positioning appears on the sheave shaft 1, which avoids the rope wheel from moving axially on the sheave shaft 1 and scraping against the support, thus reducing the occurrence of wear or jamming accidents.

[0034] One side of the outer wall of the telescopic block 12 is flush with the outer wall of the head wheel spindle 1.

[0035] Working principle: In use, replace the original sheave shaft 1 of the hoist with the sheave shaft 1. Adjust the telescopic grooves 2 at both ends of the sheave shaft 1 as needed. Insert the positioning ring 15 into the transmission groove 4 at one end of the sheave shaft 1. The drive worm 16 at one end of the sliding shaft 14 extends into the transmission groove 4 and contacts the drive worm wheel 13 through the transmission hole 5. The auxiliary handle 17 drives the sliding shaft 14 and the drive worm 16 to rotate. After the drive worm 16 rotates, it drives the drive worm wheel 13 to rotate. After the drive worm wheel 13 rotates, it drives the double screw 8 to rotate in the drive groove 3. After the double screw 8 rotates, it drives the threaded blocks 9 to move away from or towards each other. The threaded blocks 9 pull the telescopic block 12 in the telescopic groove 2 through the support rod 10 and the hinge seat 11. The telescopic block 12 is pulled into the telescopic groove 2, so that the telescopic groove 2 for positioning appears on the sheave shaft 1. This prevents the rope wheel from moving axially on the sheave shaft 1 and scraping against the support, reducing wear or jamming accidents.

[0036] The exemplary embodiments of the present invention have been described in detail herein with reference to examples. However, those skilled in the art will understand that various modifications and alterations can be made to the specific embodiments described above without departing from the spirit of the present invention, and various combinations can be made to the various technical features and structures proposed in the present invention without exceeding the protection scope of the present invention, which is determined by the appended claims. The foregoing description of specific exemplary embodiments of the present invention is not intended to limit the present invention to the precise forms disclosed, and it is obvious that many changes and variations can be made based on the above teachings. The exemplary embodiments were chosen and described in order to explain the specific principles of the present invention and its practical applications, thereby enabling those skilled in the art to implement and utilize various different exemplary embodiments of the present invention, as well as various different choices and variations. The scope of the present invention is intended to be defined by the claims and their equivalents.

Claims

1. A sheave spindle for a hoist with a positioning shoulder, comprising a sheave spindle (1), characterized in that, The outer walls of both sides of the wheel spindle (1) are provided with equally spaced telescopic grooves (2), and the wheel spindle (1) is provided with a drive groove (3) at one end of the telescopic groove (2). The wheel spindle (1) is provided with a positioning structure (6) in the telescopic groove (2) and the drive groove (3), and a drive assembly (7) is provided at the center of both ends of the wheel spindle (1). The positioning structure (6) includes a bidirectional screw (8) rotatably connected to the center of the drive groove (3), a threaded block (9) threadedly connected to the outer walls of both ends of the bidirectional screw (8), a support rod (10) hinged to the outer wall of one side of the threaded block (9), and a hinge seat (11) hinged to the other end of the support rod (10). The drive assembly (7) includes a transmission groove (4) opened at the center of both ends of the sheave spindle (1) and a transmission hole (5) opened on the sheave spindle (1) between the transmission groove (4) and the drive groove (3).

2. The hoist sheave spindle with positioning shoulder as described in claim 1, characterized in that, A telescopic block (12) is installed on the other side of the outer wall of the hinge seat (11), and the two outer walls of the telescopic block (12) are slidably connected to the inner wall of the telescopic groove (2).

3. The hoist sheave mandrel with positioning shoulder as described in claim 1, characterized in that, The two ends of the top wheel spindle (1) are provided with positioning rings (15) at the transmission groove (4), and the inner outer wall of the positioning ring (15) is rotatably connected to the sliding shaft (14).

4. The hoist sheave spindle with positioning shoulder as described in claim 1, characterized in that, The outer wall of the bidirectional screw (8) is equipped with a drive worm gear (13) located at the center of the transmission hole (5), and a drive worm (16) is welded to the outer wall of one end of the sliding shaft (14), and the drive worm (16) meshes with the drive worm gear (13).

5. The hoist sheave spindle with positioning shoulder as described in claim 3, characterized in that, An auxiliary hole is provided at the other end of the sliding shaft (14), and an auxiliary handle (17) is slidably connected in the auxiliary hole. Limiting blocks are welded to both ends of the auxiliary handle (17).

6. The hoist sheave spindle with positioning shoulder as described in claim 1, characterized in that, The outer wall of one side of the telescopic block (12) is flush with the outer wall of the celestial wheel spindle (1).

7. The hoist sheave spindle with positioning shoulder as described in claim 1, characterized in that, The positioning ring (15) is rotatably installed at different positions on the outer wall of the sliding shaft (14).

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