A pump disc turning special tool
By designing a special tool for pump turning gears, using a combination of handles, fixing plates, and sleeves, the problems of unsafety, time-consuming and labor-intensive existing pump turning gear tools are solved, enabling single-person operation and wide adaptability to motor couplings of different diameters.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHANDONG YANKUANG INT COKING CO LTD
- Filing Date
- 2025-08-27
- Publication Date
- 2026-07-21
AI Technical Summary
The existing pump rotation method is unsafe, time-consuming and labor-intensive to operate manually, and it is difficult to adapt to motor couplings of different diameters, resulting in poor flexibility of use.
Design a special tool for pump turning gear, including a handle, a fixed plate, a movable plate and a sleeve. The sleeve can be adjusted and installed through threaded connection and rotating bearing to adapt to motor couplings of different diameters. The turning operation is performed using the lever principle.
It enables independent operation by a single person, saving time and effort, and has a wide range of applications. It adapts to motor couplings of different diameters, improving the convenience and safety of turning the machine.
Smart Images

Figure CN224527063U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of pump disc truck tools, specifically a special tool for pump disc trucks. Background Technology
[0002] In recent years, the demand for pump products has been increasing in stages. Common transmission methods for pump products include direct drive, belt drive, and gearbox drive. Direct drive is a method in which the motor and pump are directly connected without passing through a reduction mechanism. This reduces friction and resistance of rotating components during transmission, resulting in high transmission efficiency.
[0003] When a pump is shut down for routine maintenance or is about to be started, it is necessary to rotate the pump to prevent the pump from starting up suddenly, causing overload and requiring a large amount of power supply, which could cause fluctuations in the entire power system and trigger other fully loaded equipment on the line to trip.
[0004] Existing methods of rotating the pump shaft include manual rotation or using a pry bar, which are both unsafe and time-consuming. Even using an "F" wrench or an adjustable wrench to hold the motor coupling shaft still carries the risk of accidental damage from disengagement. Wrenches also lack flexibility and cannot be adapted to motor couplings of different diameters.
[0005] Therefore, it is necessary to design a special tool for pump turning to solve the technical problems of difficulty in manual turning, the use of pipe wrenches being cumbersome, inconvenient for single-person operation, and time-consuming and labor-intensive. Utility Model Content
[0006] In view of the problems existing in the prior art, the purpose of this utility model is to provide a special tool for pump disc trucks.
[0007] The technical solution adopted by this utility model to solve its technical problem is: a special tool for pump disc trolley, including a handle and a fixed plate, a movable plate and a sleeve. One end of the handle is fixedly connected to the fixed plate. The fixed plate is movably connected to the movable plate through a rotating bearing. Threaded holes are opened on both the fixed plate and the movable plate. A threaded rod is fixedly installed at the lower end of the sleeve. The sleeve is fixedly installed on the fixed plate and the movable plate through the threaded rod. A sleeve retaining hole is opened on the sleeve. The diameter of the sleeve retaining hole is larger than the diameter of the bolt on the motor coupling.
[0008] Specifically, a through hole is opened at one end where the fixed plate and the movable plate are connected, and the fixed plate and the movable plate are movably connected together by installing a rotating bearing through the through hole.
[0009] Specifically, the handle and the mounting plate are fixed together by welding.
[0010] Specifically, the fixed plate and the movable plate are fixedly connected to the sleeve by threaded rods.
[0011] Specifically, the handle is a steel pipe 70cm long and 2cm in diameter.
[0012] Specifically, the fixed plate and the movable plate are made of curved steel plates with a thickness of 10cm.
[0013] Specifically, the sleeve is made of a steel pipe with a diameter of 2cm and a length of 4cm, and the lower end of the sleeve is fixedly connected to the threaded rod by welding.
[0014] Specifically, a sleeve retaining hole is provided on the sleeve, the diameter of which is larger than the diameter of the bolt on the motor coupling, and the sleeve is fitted onto the outside of the bolt on the motor coupling.
[0015] Compared with the prior art, the beneficial effects of this utility model are:
[0016] This utility model introduces a special tool for pump turning machines, which is convenient for single-person operation and solves the problem that traditional large pipe wrenches are cumbersome and inconvenient for single-person operation.
[0017] This utility model is designed as a special tool for pump turning. According to the different diameters of motor couplings, the movable plate can be rotated to select two different sleeve positions corresponding to the bolt positions of the motor coupling. It has a wide range of applications, is convenient for turning, and saves time and effort when using it. Attached Figure Description
[0018] Figure 1 This is a diagram showing the usage status of special tools for pump disc trucks.
[0019] Figure 2 This is the front view of the special tools for pump disc trucks.
[0020] Figure 3 This is a top view of the sleeve used as a special tool for pump disc trucks.
[0021] Figure 4 This is the front view of the sleeve for a pump disc truck special tool.
[0022] like Figures 1-4 As shown: 1-Handle; 2-Fixed plate; 3-Moving plate; 4-Rotating bearing; 5-Threaded hole; 6-Sleeve; 7-Threaded rod; 8-Sleeve retaining hole; 9-Motor; 10-Cover; 11-Motor coupling; 12-Pump. Detailed Implementation
[0023] The technical solutions of the present utility model will be described in further detail below with reference to the accompanying drawings of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the scope of protection of the present utility model.
[0024] like Figures 1-4The tool shown is a special tool for a pump turning machine, including a handle 1, a fixed plate 2, a movable plate 3, and a sleeve 6. One end of the handle 1 is fixedly connected to the fixed plate 2. The fixed plate 2 is movably connected to the movable plate 3 through a rotating bearing 4. Both the fixed plate 2 and the movable plate 3 are provided with threaded holes 5. The lower end of the sleeve 6 is fixedly provided with a threaded rod 7. The sleeve 6 is fixedly installed on the fixed plate 2 and the movable plate 3 through the threaded rod 7. The sleeve 6 is provided with a sleeve retaining hole 8. The diameter of the sleeve retaining hole 8 is larger than the diameter of the bolt on the motor coupling 11.
[0025] A through hole is provided at one end where the fixed plate 2 and the movable plate 3 are connected, and the fixed plate 2 and the movable plate 3 are movably connected together by installing a rotating bearing 4 through the through hole.
[0026] The handle 1 and the fixing plate 2 are fixedly connected together by welding.
[0027] The fixed plate 2 and the movable plate 3 are fixedly connected to the sleeve 6 by threaded rods.
[0028] Handle 1 is a steel pipe with a length of 70cm and a diameter of 2cm.
[0029] The fixed plate 2 and the movable plate 3 are made of curved steel plates with a thickness of 10cm.
[0030] Sleeve 6 is made of a steel pipe with a diameter of 2cm and a length of 4cm. The lower end of sleeve 6 is fixedly connected to threaded rod 7 by welding.
[0031] A sleeve retaining hole 8 is provided on the sleeve 6. The diameter of the sleeve retaining hole 8 is larger than the diameter of the bolt on the motor coupling 11. The sleeve 6 is sleeved on the outside of the bolt on the motor coupling 11.
[0032] In use, first select the sleeve 6 according to the size and distance of the bolts of the motor coupling 11, and install it in the threaded hole 5 of the fixed plate 2 and the movable plate 3. Fix the sleeve 6 on the fixed plate 2 and the movable plate 3 through the threaded rod 7. Rotate and adjust the movable plate 3 according to the diameter of the motor coupling 11, and select two to fit the sleeve 6 onto the bolts of the motor coupling 11 so that this tool can be adapted to motor couplings 11 of different diameters. After the sleeve 6 is inserted into the sleeve retaining hole 8 of the motor coupling 11 bolt, use the lever principle to move the handle 1 to perform the rotation operation.
[0033] The special tool for pump disc trucks made by this invention can be adjusted according to the size of the coupling.
[0034] The pump turning tool made by this utility model is time-saving and labor-saving, easy to use, can be operated independently by a single person, and has a low investment cost.
[0035] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.
[0036] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A special tool for pump turning gears, characterized in that, The device includes a handle, a fixed plate, a movable plate, and a sleeve. One end of the handle is fixedly connected to the fixed plate, and the fixed plate is movably connected to the movable plate via a rotating bearing. Both the fixed plate and the movable plate have threaded holes. A threaded rod is fixedly installed at the lower end of the sleeve, and the sleeve is fixedly mounted on the fixed plate and the movable plate via the threaded rod. A sleeve retaining hole is provided on the sleeve, and the diameter of the sleeve retaining hole is larger than the diameter of the bolt on the motor coupling.
2. The special tool for pump turning gears according to claim 1, characterized in that, A through hole is provided at one end where the fixed plate and the movable plate are connected, and the fixed plate and the movable plate are movably connected together by installing a rotating bearing through the through hole.
3. The special tool for pump turning gears according to claim 2, characterized in that, The handle and the fixing plate are fixedly connected together by welding.
4. The special tool for pump turning gears according to claim 2, characterized in that, The fixed plate and the movable plate are fixedly connected to the sleeve by threaded rods.
5. The special tool for pump turning gears according to claim 3, characterized in that, The handle is a steel pipe with a length of 70cm and a diameter of 2cm.
6. The special tool for pump turning gears according to claim 4, characterized in that, The fixed plate and the movable plate are made of arc-shaped steel plates with a thickness of 10cm.
7. The special tool for pump turning gears according to claim 1, characterized in that, The sleeve is made of a steel pipe with a diameter of 2cm and a length of 4cm, and the lower end of the sleeve is fixedly connected to a threaded rod by welding.
8. The special tool for pump turning gear according to claim 1, characterized in that, The sleeve has a sleeve retaining hole with a diameter larger than the diameter of the bolt on the motor coupling. The sleeve is fitted onto the outside of the bolt on the motor coupling.