A lifting device suitable for water pump of cigarette factory

CN224662432UActive Publication Date: 2026-08-21CHINA TOBACCO HENAN IND CO LTD
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Patent Information

Application Number
CN202521609189.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-07-30
Publication Date
2026-08-21
Estimated Expiration
2035-07-30

AI Technical Summary

Technical Problem

而受力不均匀往往是造成安全事故的主要原因之一

Benefits of technology

[0019]本申请可以有效解决水泵维修效率以及工人的人身安全。采用合理的传动结构,使水泵的提升与下降更加顺畅,减少人工搬运的负担,提高维修工作的效率。同时,移动单元的设计使装置可灵活调整位置,适应不同工况,提高作业便捷性;本实用新型提供稳定的支撑和防滑设计,确保在多人协作操作时受力均匀,避免因设备晃动或受力不均导致的安全事故。同时,装置配备棘爪锁定系统,可有效防止水泵意外坠落,并具备自动停止装置,在发生异常情况时能够及时停止运行,保障操作人员安全;

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Abstract

The application discloses a lifting device suitable for a water pump of a cigarette factory, which comprises a moving unit and a lifting unit. The moving unit comprises a hinge, a support, an opening limiter and the like, the hinge is hinged to the middle part of the support, and the opening limiter is arranged on the two sides of the support; a telescopic sleeve is nested at the bottom of the support and is locked through a telescopic fixing device of the support; a non-braking universal wheel and a braking universal wheel are respectively installed at the bottom end of the telescopic sleeve; the lifting unit is fixed above the moving unit and comprises a driving gear, a driven gear and the like; a main transmission shaft is connected with the driving gear, the driving gear is engaged with the driven gear, and a pawl is engaged with the tooth groove of the driven gear; a driven rotating shaft is connected with the driven gear, and a lifting steel wire rope and a descending steel wire rope are wound at the two ends of the driven rotating shaft. The application can effectively solve the maintenance efficiency of the water pump and the personal safety of workers, reduce the burden of manual carrying, improve the efficiency of maintenance work, and make the device flexibly adjust the position and adapt to different working conditions through the design of the moving unit.
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Description

Technical Field

[0001] This utility model relates to the field of water pump lifting technology, and in particular to a lifting device suitable for water pumps in cigarette factories. Background Technology

[0002] In cigarette manufacturing, water pumps are crucial equipment, widely used in various workshops to transport liquids such as tap water, reclaimed water, soft water, and industrial brine. However, due to water quality and electrical circuit effects, prolonged use can lead to wear and tear and malfunction of pump components. This not only affects production efficiency but also increases the cost of maintenance and replacement. Especially in scenarios where pumps need to operate continuously, such as submersible pumps during heavy rains or pumps in reclaimed water stations, delayed maintenance can severely impact production. Pump malfunctions not only cause production interruptions and losses but also pose a safety threat to maintenance personnel during replacement or disassembly. In multi-person operations, pumps are typically heavy and require multiple people to move. Uneven force distribution is often a major cause of accidents. If workers are careless or operate improperly when moving or repairing pumps, equipment instability, falls, or other accidents can easily occur, threatening the lives and property of workers.

[0003] Therefore, improving the safety and operational efficiency of water pump maintenance and relocation has become an urgent problem to be solved. Utility Model Content

[0004] The technical problem this invention aims to solve is to provide a lifting device suitable for water pumps in cigarette factories. This device is easy to operate, even for personnel without professional experience. It offers stable support and an anti-slip design, ensuring even force distribution when multiple people are working together, reducing the occurrence of accidents. It also features multiple safety protection measures, such as an automatic stop device, ensuring timely shutdown in case of emergencies and protecting operator safety. Furthermore, the device is durable and easy to maintain, reducing the frequency and cost of repairs and parts replacement. It provides a safer and more efficient solution for industrial production, reducing safety hazards during water pump maintenance when malfunctions occur.

[0005] The technical problem to be solved by this utility model is achieved through the following technical solution:

[0006] A lifting device for water pumps in cigarette factories, comprising:

[0007] A movable unit includes a hinge, a bracket, an opening limiter, a telescopic sleeve, a bracket telescopic fixing device, non-braking casters, and braking casters. The hinge is hinged to the middle of the bracket to allow the bracket to fold or adjust its angle. The opening limiter is located on both sides of the bracket to limit the unfolding angle of the bracket. The telescopic sleeve is nested in the bottom of the bracket and locked by the bracket telescopic fixing device. The non-braking casters and the braking casters are respectively installed at the bottom end of the telescopic sleeve. The braking casters are provided with caster brakes on their sides.

[0008] A lifting unit is fixed above the moving unit. The lifting unit includes a driving gear, a driven gear, a pawl, a lifting wire rope, a lowering wire rope, a main drive shaft, and a driven rotating shaft. A rotating handle is fixed to one side of the main drive shaft. The main drive shaft is connected to the driving gear, which meshes with the driven gear. The pawl meshes with the tooth groove of the driven gear. The driven rotating shaft is connected to the driven gear. The lifting wire rope and the lowering wire rope are wound around both ends of the driven rotating shaft. The rotating handle drives the main drive shaft, which in turn drives the driving gear, the driven gear, and the driven rotating shaft to rotate in sequence, thereby driving the lifting wire rope and the lowering wire rope to rotate, thus realizing the lifting and lowering of the water pump.

[0009] Preferably, in the above technical solution, the non-braking swivel wheel and the braking swivel wheel are fixed to the bottom of the telescopic sleeve by swivel wheel fixing bolts.

[0010] Preferably, in the above technical solution, the top crossbeam of the support is provided with a driven gear fixing base assembly hole, and the lifting unit is fixed to the moving unit through the driven gear fixing base assembly hole.

[0011] Preferably, in the above technical solution, the lifting unit further includes a pawl retainer, which is used to fix the pawl and ensure that the pawl is stably engaged with the driven gear.

[0012] Preferably, in the above technical solution, the lifting unit further includes a driven gear fixing base and a driving gear fixing base. The driven gear is mounted on the bracket through the driven gear fixing base, and the driving gear is mounted on the bracket through the driving gear fixing base.

[0013] Preferably, in the above technical solution, the driving gear fixing base is fixed to the bracket through the driving gear fixing base mounting hole; the driven gear fixing base is fixed to the bracket through the driven gear fixing base mounting hole.

[0014] Preferably, in the above technical solution, the lifting unit further includes a separator plate, which is sleeved on the middle of the driven rotating shaft and is used to separate the lifting wire rope from the lowering wire rope.

[0015] Preferably, in the above technical solution, the lifting unit further includes a left limit stop plate and a right limit stop plate of the winch, which are respectively disposed at both ends of the driven shaft to limit the winding range of the wire rope.

[0016] Preferably, in the above technical solution, the left limit stop plate and the right limit stop plate of the winch are respectively provided with wire rope head section fixers on opposite sides, and the head ends of the lifting wire rope and the lowering wire rope are both fixed by the wire rope head section fixers.

[0017] Preferably, in the above technical solution, the lifting unit further includes a driving gear transmission bearing and a driven gear transmission bearing, wherein the driving gear is mounted through the driving gear transmission bearing and the driven gear is mounted through the driven gear transmission bearing.

[0018] The above-mentioned technical solution of this utility model has the following beneficial effects:

[0019] This application effectively solves the problems of water pump maintenance efficiency and worker safety. The rational transmission structure makes the lifting and lowering of the water pump smoother, reducing the burden of manual handling and improving maintenance efficiency. Meanwhile, the design of the moving unit allows the device to be flexibly adjusted to adapt to different working conditions, improving operational convenience. This utility model provides stable support and anti-slip design to ensure even force distribution when multiple people are working together, avoiding safety accidents caused by equipment shaking or uneven force distribution. In addition, the device is equipped with a pawl locking system to effectively prevent the water pump from accidentally falling, and has an automatic stop device that can stop operation in time in case of abnormalities, ensuring operator safety.

[0020] This application features a reasonable structural design and simple operation, making it easy for even those without professional experience to use. The mobile unit is equipped with casters and a braking device, facilitating movement and securing the equipment, making it suitable for water pump maintenance in various environments. This invention is manufactured using high-strength materials, possessing excellent wear resistance and corrosion resistance, ensuring long-term use without significant damage. Furthermore, its reasonable structural design facilitates maintenance and parts replacement, reducing maintenance frequency and replacement costs, and extending the equipment's lifespan. Attached Figure Description

[0021] The accompanying drawings, which are incorporated in and form part of this specification, illustrate embodiments of the present invention and, together with their description, serve to explain the principles of the present invention.

[0022] Figure 1This is a schematic diagram of a lifting device suitable for water pumps in cigarette factories.

[0023] Figure 2 This is the main view of the moving unit.

[0024] Figure 3 To enhance the main view of the cell.

[0025] Figure 4 A side view of the lifting unit.

[0026] Among them: 1-Hinge, 2-Bracket, 3-Pawl retainer, 4-Pawl, 5-Driven gear, 6-Driven gear mounting hole, 7-Driven gear mounting base, 8-Windlass right limit stop, 9-Rotating handle, 10-Driven gear mounting base, 11-Driven gear mounting hole, 12-Driven gear, 13-Opening limiter, 14-Telescopic sleeve, 15-Bracket telescopic retainer, 16-Non-brake caster, 17-Caster fixing bolt, 18-Brake caster, 19-Caster brake, 20-Main drive shaft, 21-Driven shaft, 22-Lifting wire rope, 23-Lowering wire rope, 24-Wire rope first section retainer, 25-Separator, 26-Driven gear transmission bearing, 27-Driven gear transmission bearing, 28-Windlass left limit stop. Detailed Implementation

[0027] Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that, unless otherwise specifically stated, the relative arrangement, numerical expressions, and values ​​of the components and steps set forth in these embodiments do not limit the scope of the present invention.

[0028] A lifting device for water pumps in cigarette factories includes a moving unit and a lifting unit. The moving unit is used for the displacement of the lifting device and the angle of the support, ensuring the safety and stability of maintenance personnel when using the device to lift the water pump; the lifting unit is used to lift or lower the water pump being repaired or replaced, ensuring the isolation of personnel from the water pump to guarantee their safety.

[0029] The advantages of this application lie in the adjustable displacement and support angle of the movable unit, ensuring a safe distance for maintenance personnel during pump lifting operations. This prevents accidents caused by equipment swaying or uneven force distribution, thus improving operational safety. The lifting unit employs a scientific transmission mechanism to ensure uniform force distribution on the pump during lifting, preventing equipment damage or personnel injury due to uneven force distribution. Furthermore, a fixed isolation structure between the lifting unit and the pump effectively guarantees the stability of equipment operation. This device is compact, easy to operate, and applicable to various high-speed pumps in cigarette factories. Maintenance personnel can easily move, adjust, and lift the equipment, improving maintenance efficiency and ensuring normal equipment operation time.

[0030] like Figures 1-4 As shown, a lifting device suitable for water pumps in cigarette factories is provided to ensure uniform force distribution during the lifting of water pumps during maintenance and replacement, thereby avoiding equipment damage or personnel injury caused by uneven force distribution.

[0031] The moving unit includes: hinge 1, bracket 2, driven gear fixing base mounting hole 6, opening limiter 13, telescopic sleeve 14, bracket telescopic fixing device 15, non-braking caster 16, caster fixing bolt 17, braking caster 18, and caster brake 19.

[0032] Hinge 1 connects to bracket 2, allowing the device to be folded or angled, improving its flexibility and adapting to different pump maintenance environments. Bracket 2 serves as the support structure for the entire mobile unit, bearing the weight of the lifting unit and the pump, ensuring sufficient load-bearing capacity and stability during use. Driven gear mounting hole 6 is used to install the driven gear and related transmission components, ensuring gear mechanism compatibility and precise control of the lifting unit. Opening limiter 13 controls the device's unfolding angle, preventing bracket 2 from tilting or over-unfolding beyond a safe range, improving structural stability. Telescopic sleeve 14 adjusts the bracket's length, allowing the device to adapt to pumps of different heights, enhancing its flexibility. Bracket telescopic fixing device 15 secures the telescopic sleeve 14, ensuring the bracket is locked after adjustment, preventing slippage or loosening during use. Non-braking casters 16 allow for free movement of the device, enabling easy movement to the pump requiring maintenance, improving work efficiency. The caster wheel fixing bolt 17 is used to secure the caster wheel 16 and the brake caster wheel 18 to the bracket 2, ensuring the wheel is connected to the bracket and preventing loosening of the connection between the bracket and the caster wheel 16 and brake caster wheel 18 during use. The brake caster wheel 18 is used to fix the device by braking after the device is moved to the target position, preventing displacement of the equipment during operation and improving safety. The caster wheel brake 19 is used to control the locking state of the brake caster wheel 18, allowing maintenance personnel to lock or release the wheel as needed, ensuring the safety and stability of the device under different working conditions.

[0033] The lifting unit includes: a pawl retainer 3, a pawl 4, a driven gear 5, a driven gear mounting base 7, a winch right limit stop 8, a rotating handle 9, a drive gear mounting base 10, a drive gear mounting base mounting hole 11, a drive gear 12, a main drive shaft 20, a driven shaft 21, a lifting wire rope 22, a lowering wire rope 23, a wire rope first section retainer 24, a separator 25, a drive gear transmission bearing 26, a driven gear transmission bearing 27, and a winch left limit stop 28.

[0034] The pawl retainer 3 is used to fix the pawl 4, ensuring that the pawl 4 can stably engage the driven gear 5, preventing the wire rope from accidentally loosening during the lifting process and improving the safety of the lifting operation. The pawl 4 and the driven gear 5 work together to achieve a one-way locking function, ensuring that the water pump will not descend on its own due to gravity during lifting or lowering, improving lifting stability. The driven gear 5 receives the transmission power from the drive gear 12 and drives the lifting wire rope 22 and lowering wire rope 23 for lifting or lowering operations via the main drive shaft 20 and the driven rotating shaft 21. The driven gear fixing base 7 is used to fix the driven gear 5, ensuring stable and reliable gear operation without loosening or shifting, improving the reliability of the transmission system. The winch right limit stop 8 is used to limit the movement range of the winch, preventing the wire rope from becoming tangled or derailed during winding, ensuring smooth lifting operations. The rotating handle 9 is used to manually operate the drive gear 12, manually driving the lifting device to lift or lower the water pump, ensuring the device remains usable even in environments without power. The drive gear fixing base 10 is used to fix the drive gear 12, ensuring the gear system remains stable during transmission, preventing deviation or loosening, and improving the overall durability and reliability of the device. The drive gear fixing base mounting hole 11 is used to install the drive gear fixing base 10, providing precise installation positioning and ensuring correct meshing between the drive gear 12 and the driven gear 5, improving transmission efficiency. The drive gear 12, as the core transmission component of the lifting device, drives the main drive shaft 20 to rotate by turning the handle 9, ultimately driving the lifting wire rope 22 and the lowering wire rope 23 to raise and lower the water pump. The main drive shaft 20 connects the drive gear 12 and the driven gear 5 to transmit power, enabling the entire lifting system to operate synchronously and improving transmission stability. The driven shaft 21 cooperates with the main drive shaft 20 to transmit power, ensuring the stability of the winding of the lifting wire rope 22 and the lowering wire rope 23, avoiding jamming or breakage due to uneven force. The lifting wire rope 22 connects to the water pump and lifts it to the required height; it is made of high-strength material to ensure it does not break or deform excessively under the weight of the water pump. The descending wire rope 23 is used to control the descent of the water pump, ensuring a smooth and controlled descent and preventing equipment damage or safety accidents caused by free fall. The wire rope starter 24 is used to secure the starting ends of the lifting wire rope 22 and the descending wire rope 23, ensuring the wire ropes will not loosen during operation and improving system safety and durability. The separator 25 is used to separate and guide the arrangement of the lifting wire rope 22 and the descending wire rope 23, preventing the wire ropes from becoming tangled on the winch and improving the service life and transmission stability of the wire ropes. The drive gear transmission bearing 26 supports and secures the drive gear 12, reducing friction loss, improving transmission efficiency, and ensuring smooth operation of the gear system. The driven gear transmission bearing 27 supports and secures the driven gear 5, ensuring even force distribution during rotation, reducing bearing wear, and improving overall service life.The left limit stop plate 28 of the winch is used in conjunction with the right limit stop plate 8 of the winch to limit the winding range of the hoisting wire rope 22 and the descending wire rope 23, prevent the wire rope from derailing or getting tangled, and improve the safety and stability of the hoisting system.

[0035] Although the present invention has been disclosed above with reference to embodiments, it is not intended to limit the present invention. Any person skilled in the art can make various different choices and modifications without departing from the spirit and scope of the present invention. Therefore, the scope of protection of the present invention is defined by the claims and their equivalents.

Claims

1. A lifting device suitable for water pumps in cigarette factories, characterized in that, include: The movable unit includes a hinge (1), a bracket (2), an opening limiter (13), a telescopic sleeve (14), a bracket telescopic fixer (15), a non-braking caster (16), and a braking caster (18). The hinge (1) is hinged to the middle of the bracket (2) so that the bracket (2) can be folded or its angle adjusted. The opening limiter (13) is located on both sides of the bracket (2) to limit the unfolding angle of the bracket (2). The telescopic sleeve (14) is nested in the bottom of the bracket (2) and locked by the bracket telescopic fixer (15). The non-braking caster (16) and the braking caster (18) are respectively installed at the bottom end of the telescopic sleeve (14). The braking caster (18) is provided with a caster brake (19) on its side. A lifting unit is fixed above the moving unit. The lifting unit includes a driving gear (12), a driven gear (5), a pawl (4), a lifting wire rope (22), a lowering wire rope (23), a main drive shaft (20), and a driven rotating shaft (21). A rotating handle (9) is fixed to one side of the main drive shaft (20). The main drive shaft (20) is connected to the driving gear (12), and the driving gear (12) meshes with the driven gear (5). The pawl (4) meshes with the driven gear (5). The gear (5) meshes with the tooth grooves; the driven shaft (21) is connected to the driven gear (5), the lifting wire rope (22) and the lowering wire rope (23) are wound around the two ends of the driven shaft (21), and the main drive shaft (20) is driven by the rotating handle (9), which in turn drives the driving gear (12), the driven gear (5) and the driven shaft (21) to rotate, thereby driving the lifting wire rope (22) and the lowering wire rope (23) to rotate, so as to realize the lifting and lowering of the water pump.

2. The lifting device according to claim 1, characterized in that, The non-braking caster (16) and the braking caster (18) are fixed to the bottom of the telescopic sleeve (14) by caster fixing bolts (17).

3. The lifting device according to claim 1, characterized in that, The support (2) has a driven gear fixing base assembly hole (6) on its top crossbeam, and the lifting unit is fixed to the moving unit through the driven gear fixing base assembly hole (6).

4. The lifting device according to claim 1, characterized in that, The lifting unit also includes a pawl retainer (3), which is used to fix the pawl (4) and ensure that the pawl (4) is stably engaged with the driven gear (5).

5. The lifting device according to claim 1, characterized in that, The lifting unit also includes a driven gear fixing base (7) and a driving gear fixing base (10). The driven gear (5) is mounted on the bracket (2) through the driven gear fixing base (7), and the driving gear (12) is mounted on the bracket (2) through the driving gear fixing base (10).

6. The lifting device according to claim 5, characterized in that, The active gear fixing base (10) is fixed to the bracket (2) through the active gear fixing base mounting hole (11); the driven gear fixing base (7) is fixed to the bracket (2) through the driven gear fixing base mounting hole (6).

7. The lifting device according to claim 1, characterized in that, The lifting unit also includes a separator plate (25), which is sleeved on the middle of the driven shaft (21) and is used to separate the lifting wire rope (22) from the lowering wire rope (23).

8. The lifting device according to claim 1, characterized in that, The lifting unit also includes a left limit stop plate (28) and a right limit stop plate (8) of the winch, which are respectively located at both ends of the driven shaft (21) to limit the winding range of the wire rope.

9. The lifting device according to claim 8, characterized in that, The left limit stop plate (28) and the right limit stop plate (8) of the winch are respectively provided with wire rope head section fixers (24), and the head ends of the lifting wire rope (22) and the lowering wire rope (23) are fixed by the wire rope head section fixers (24).

10. The lifting device according to claim 1, characterized in that, The lifting unit also includes a drive gear transmission bearing (26) and a driven gear transmission bearing (27). The drive gear (12) is mounted through the drive gear transmission bearing (26), and the driven gear (5) is mounted through the driven gear transmission bearing (27).