Anti-top gate screw hoist

By introducing an inner stabilizing sleeve structure and a connecting sleeve structure into the gate hoist, the problems of unstable rotation of the central shaft and weak connection are solved, enabling safer and more flexible gate hoist operation.

CN223922122UActive Publication Date: 2026-02-17JIANGSU RUNYUAN WATER EQUIP CO LTD
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Patent Information

Application Number
CN202520486989.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-19
Publication Date
2026-02-17
Estimated Expiration
2035-03-19

AI Technical Summary

Technical Problem

The existing hoist's central shaft rotation is unsafe and unstable, and its connection with the screw in the top gate is not secure, making its use unsafe and unreliable.

Method used

The design includes a base, an inner stabilizing sleeve structure, and a connecting sleeve structure. The inner stabilizing sleeve structure enhances the rotational stability of the upper shaft, and the connecting sleeve structure improves the connection strength with the top gate screw, thus realizing a detachable upper shaft, upper connecting rod, and turntable structure.

Benefits of technology

It enhances the rotational stability and connection safety of the gate hoist, making it safer and more reliable to use, and facilitating maintenance and replacement.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides an anti-top gate screw hoist, which relates to the technical field of screw hoists, and comprises a base, an inner stabilizing sleeve structure and a connecting sleeve structure, the upper end of the base is provided with an upper mounting seat, an upper shaft lever is rotatably connected in the upper mounting seat, the upper part of the upper shaft lever is sleeved with a turbine, the right part of the turbine is in transmission connection with a worm, and the right part of the worm is in transmission connection with the inner stabilizing sleeve structure. The inner stabilizing sleeve structure is sleeved with the middle of the upper shaft rod, a connecting sleeve structure is installed at the lower end of the upper shaft rod, the upper shaft rod is detachably connected with the inner stabilizing sleeve structure and the connecting sleeve structure, an upper connecting rod is fixed to the upper end of the upper shaft rod, and a rotating disc is fixed to the upper end of the upper connecting rod; and the upper shaft rod, the upper connecting rod and the turntable are all of detachable structures. The upper shaft rod can be conveniently and flexibly driven to rotate and move, the inner stabilizing sleeve structure is installed in the middle of the upper shaft rod, rotation of the upper shaft rod is smoother and more stable, meanwhile, the upper rotating shaft and the screw rod are connected and fixed through the connecting sleeve structure, and use is more convenient and more stable.
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Description

Technical Field

[0001] This utility model relates to the field of screw gate hoisting technology, specifically to an anti-overturning screw gate hoisting mechanism. Background Technology

[0002] Gate hoists are used in various large-scale water supply and drainage, water conservancy and hydropower projects to control the lifting and lowering of various large and medium-sized cast iron gates and steel gates to achieve the purpose of opening and closing.

[0003] In the specification of a water screw type gate hoist with anti-theft function in the prior art (announcement number CN218407797U), it is mentioned that "a motor is fixedly connected to the surface of the gate hoist, a fixed plate is fixedly connected to the surface of the gate hoist, the output end of the motor is rotatably connected to the inner side of the fixed plate, a protective shell is provided on the surface of the fixed plate, a docking groove is opened on the inner side of the protective shell, a docking plate is slidably connected to the inner wall of the docking groove, the surface of the docking plate is fixedly connected to the surface of the fixed plate, a clamping plate is slidably connected to the inner side of the protective shell, and an adjusting column is threadedly connected to the inner side of the protective shell." However, the rotation of the central shaft of the gate hoist in the prior art may not be safe and stable, and the connection with the screw in the top gate is not safe and secure, making its use unsafe and unreliable. Utility Model Content

[0004] To overcome the shortcomings of existing technologies, an anti-top gate screw hoist is provided to solve the problems that the rotation of the central shaft of the hoist in the prior art may not be safe and stable, and the connection with the screw in the top gate is not safe and secure, making its use unsafe and unreliable.

[0005] To achieve the above objectives, an anti-overhead gate screw hoist is provided, comprising a base, an inner stabilizing sleeve structure, and a connecting sleeve structure. An upper mounting seat is provided at the upper end of the base, and an upper shaft is rotatably connected inside the upper mounting seat. A turbine is sleeved on the upper part of the upper shaft, and a worm gear is drivenly connected to the right side of the turbine. The middle part of the upper shaft is sleeved outside the inner stabilizing sleeve structure, and a connecting sleeve structure is installed at the lower end of the upper shaft. The upper shaft is detachably connected to the inner stabilizing sleeve structure and the connecting sleeve structure.

[0006] Furthermore, an upper connecting rod is fixed to the upper end of the upper shaft, and a turntable is fixed to the upper end of the upper connecting rod. The upper shaft, the upper connecting rod, and the turntable are all detachable structures.

[0007] Furthermore, a side connecting rod is installed at the center of the worm gear, and both the worm gear and the side connecting rod are rotatable structures.

[0008] Furthermore, an observation port is provided on the lower part of the outer side of the base, and a base plate is provided at the lower end of the base.

[0009] Further, the upper part of the inner stabilizing sleeve structure is provided with an upper shaft sleeve, and the lower part of the inner stabilizing sleeve structure is provided with a lower shaft sleeve, the inner side wall of the upper shaft sleeve and the lower shaft sleeve is provided with a groove, the groove is provided with a ball, and the outer side of the upper shaft sleeve and the lower shaft sleeve is fixedly provided with a side supporting rod, and the upper shaft sleeve and the lower shaft sleeve are provided with an upper communication port.

[0010] Further, the connecting sleeve structure is provided with a middle insertion hole, the outer ring surface of the connecting sleeve structure is provided with a second side screw hole, the upper side of the connecting sleeve structure is provided with an upper inlet, the left and right side walls of the upper inlet are provided with a first side screw hole, the lower side of the connecting sleeve structure is provided with a lower inlet, and the upper inlet, the middle insertion hole and the lower inlet are sequentially and communicatively arranged.

[0011] The utility model discloses the beneficial effect lies in:

[0012] 1. The utility model discloses a driving motor can rotate side connecting rod and drive worm drive to turbine to rotate upper shaft rod activity, can also rotate the turntable of upper connecting rod upper end and drive upper shaft rod rotation activity, more flexible use.

[0013] 2. The utility model discloses the setting of upper shaft sleeve and lower shaft sleeve in the inner stabilizing sleeve structure is to better support and stabilize the middle part of upper shaft rod, and it is helpful to enhance its rotation stability, makes it more safe and reliable.

[0014] 3. The utility model discloses the setting of connecting sleeve structure is to the firmness of the connection between upper shaft rod and top gate upper screw rod, not only convenient and easy to install, tightly firm, can also be split or replaced when overhauling, more convenient and practical. DRAWINGS

[0015] Figure 1 It is the front view schematic diagram of the utility model embodiment;

[0016] Figure 2 It is the section schematic diagram of the utility model embodiment;

[0017] Figure 3 It is the inner stabilizing sleeve structure schematic diagram of the utility model embodiment;

[0018] Figure 4 It is the connecting sleeve structure schematic diagram of the utility model embodiment.

[0019] In the figure: 1, base; 10, upper shaft rod; 11, upper mounting seat; 12, turbine; 13, upper connecting rod; 14, rotating disc; 15, worm; 16, side connecting rod; 17, bottom plate; 18, observation hole; 2, inner stabilizing sleeve structure; 20, side supporting rod; 21, upper shaft sleeve; 22, lower shaft sleeve; 23, groove; 24, ball; 25, upper communication port; 3, connecting sleeve structure; 30, upper inlet; 31, first side screw hole; 32, second side screw hole; 33, middle insertion hole; 34, lower inlet. DETAILED DESCRIPTION

[0020] In order to make the technical problems, technical solutions and beneficial effects of the utility model clearer, the utility model is further described in detail below in combination with the drawings and examples. The specific examples described herein are only used to explain the utility model and are not used to limit the utility model. Specific details such as specific system structure and technology are proposed so as to more thoroughly understand the utility model examples. The described examples are part of the embodiments of the disclosure, not all the embodiments. However, those skilled in the art should clearly understand that the utility model can also be realized in other embodiments without these specific details. Based on the examples in the disclosure, all other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the disclosure.

[0021] The specific embodiments of the utility model are described in detail below in combination with the drawings.

[0022] Figure 1 is a front view schematic diagram of the utility model embodiment, Figure 2 is a cross-sectional schematic diagram of the utility model embodiment, Figure 3 is an inner stabilizing sleeve structure schematic diagram of the utility model embodiment, and Figure 4 is a connecting sleeve structure schematic diagram of the utility model embodiment.

[0023] Referring to Figures 1 to 4 , the utility model provides a prevent top brake screw rod hoist, including base 1, inner stabilizing sleeve structure 2 and connecting sleeve structure 3, the upper end of base 1 is provided with upper mounting seat 11, and upper mounting seat 11 is rotationally connected with upper shaft rod 10 in, the upper portion of upper shaft rod 10 is sleeved with turbine 12, and the right part of turbine 12 is drivingly connected with worm 15, the middle part of upper shaft rod 10 is sleeved outside inner stabilizing sleeve structure 2, and the lower end of upper shaft rod 10 is installed with connecting sleeve structure 3, and upper shaft rod 10 is split-connection between inner stabilizing sleeve structure 2 and connecting sleeve structure 3.

[0024] In this embodiment, an upper connecting rod 13 is fixed to the upper end of the upper shaft 10, and a turntable 14 is fixed to the upper end of the upper connecting rod 13. The upper shaft 10, the upper connecting rod 13, and the turntable 14 are all detachable structures. A side connecting rod 16 is installed in the center of the worm gear 15, and both the worm gear 15 and the side connecting rod 16 are rotatable structures. An observation port 18 is provided on the lower part of the outer side of the machine base 1, and a base plate 17 is provided at the lower end of the machine base 1.

[0025] In one preferred embodiment, the present invention can either drive the worm gear 15 to the turbine 12 by rotating the connecting rod 16 on the drive motor, thereby rotating the upper shaft 10; or it can rotate the turntable 14 at the upper end of the upper connecting rod 13 with great force, thereby rotating the upper shaft 10, making it more flexible to use.

[0026] In this embodiment, an upper bushing 21 is provided on the upper part of the inner stabilizing sleeve structure 2, and a lower bushing 22 is provided on the lower part of the inner stabilizing sleeve structure 2. Grooves 23 are provided on the inner sidewalls of both the upper bushing 21 and the lower bushing 22. Ball bearings 24 are installed in the grooves 23, and side support rods 20 are fixed on the outer sides of both the upper bushing 21 and the lower bushing 22.

[0027] As a preferred embodiment, the upper bushing 21 and lower bushing 22 in the inner stabilizing sleeve structure 2 of this utility model are designed to better support and stabilize the middle part of the upper shaft 10, thereby enhancing its rotational stability and making it safer and more reliable to use.

[0028] In this embodiment, the connecting sleeve structure 3 is provided with a central insertion hole 33, the outer ring surface of the connecting sleeve structure 3 is provided with a second side screw hole 32, the upper side of the connecting sleeve structure 3 is provided with an upper inlet 30, the left and right side walls of the upper inlet 30 are provided with first side screw holes 31, and the lower side of the connecting sleeve structure 3 is provided with a lower inlet 34. The upper inlet 30, the central insertion hole 33 and the lower inlet 34 are connected vertically.

[0029] As a preferred embodiment, the connecting sleeve structure 3 in this utility model is designed to enhance the firmness of the connection between the upper shaft 10 and the top gate upper screw. It not only makes the fitting and installation convenient and easy, and tight and firm, but also allows for disassembly or replacement during maintenance, making it more convenient and practical.

[0030] This invention effectively solves the problems in the prior art where the rotation of the central shaft of the hoist may not be safe and stable, and the connection with the screw in the top gate is not safe and secure, making it unsafe and unreliable to use. This invention allows for convenient and flexible driving of the upper shaft to rotate, and an inner stabilizing sleeve structure is installed in the middle of the upper shaft to make its rotation smoother and more stable. At the same time, a connecting sleeve structure is used to connect and fix the upper shaft and the screw, making it more convenient and stable to use.

[0031] The above embodiments are used to explain and illustrate the present utility model, and not to limit the utility model. Any modifications and changes made to the present utility model within the spirit and scope of the claims should be included within the protection scope of the present utility model.

Claims

1. A top brake preventing screw hoist characterized by: Including base (1), internal stabilizing sleeve structure (2) and connecting sleeve structure (3), the upper end of base (1) is provided with upper mounting seat (11), and upper mounting seat (11) is rotatably connected with upper shaft rod (10), the upper part of upper shaft rod (10) is sleeved with turbine (12), and the right part of turbine (12) is drivingly connected with worm (15), the middle part of upper shaft rod (10) is sleeved outside internal stabilizing sleeve structure (2), and the lower end of upper shaft rod (10) is provided with connecting sleeve structure (3), and upper shaft rod (10) is splitly connected between internal stabilizing sleeve structure (2) and connecting sleeve structure (3).

2. The anti-top-gear-screw hoist according to claim 1, characterized in that, The upper end of the upper shaft rod (10) is fixed with the upper connecting rod (13), and the upper end of the upper connecting rod (13) is fixed with the rotary disc (14), and the upper shaft rod (10), the upper connecting rod (13) and the rotary disc (14) are all detachable structures.

3. The anti-top-gear screw hoist according to claim 1, characterized in that, The worm (15) is centrally installed with a side connecting rod (16), and the worm (15) and the side connecting rod (16) are both rotatable structures.

4. The anti-top-gear screw hoist according to claim 1, characterized in that, The lower part of the outer side of the base (1) is provided with an observation port (18), and the lower end of the base (1) is provided with a bottom plate (17).

5. The anti-top-gear screw hoist according to claim 1, characterized in that, The upper part of the internal stabilizing sleeve structure (2) is provided with an upper shaft sleeve (21), and the lower part of the internal stabilizing sleeve structure (2) is provided with a lower shaft sleeve (22), the inner side walls of the upper shaft sleeve (21) and the lower shaft sleeve (22) are both provided with grooves (23), the grooves (23) are installed with balls (24), and the outer sides of the upper shaft sleeve (21) and the lower shaft sleeve (22) are both fixed with side support rods (20), and the upper shaft sleeve (21) and the lower shaft sleeve (22) are both provided with upper communication openings (25).

6. The anti-top-gear screw hoist according to claim 1, characterized in that, The connecting sleeve structure (3) is provided with a middle insertion hole (33), the outer ring surface of the connecting sleeve structure (3) is provided with a second side screw hole (32), the upper side of the connecting sleeve structure (3) is provided with an upper inlet (30), the left and right side walls of the upper inlet (30) are both provided with a first side screw hole (31), and the lower side of the connecting sleeve structure (3) is provided with a lower inlet (34), and the upper inlet (30), the middle insertion hole (33) and the lower inlet (34) are sequentially and continuously arranged.