A portable electric hydraulic claw jack

Abstract

The present invention discloses a portable electric hydraulic claw jack, which relates to the field of lifting and handling tools. Traditional claw jacks are bulky, have high labor intensity and low efficiency in manual operation, and are inconvenient to use in a narrow space. The present invention includes an oil tank, a rotary valve, a lithium battery, a lighting lamp, a bracket base, a columnar jack, a Z-shaped claw arm, a handle, a limit alarm and a high-pressure pump. The high-pressure pump is installed on the upper side of the oil tank, the rotary valve is installed on the left side of the high-pressure pump, the lithium battery is installed on the rear side of the high-pressure pump, the lighting lamp is installed on the right side of the high-pressure pump, the columnar jack is installed in the bracket base, the columnar jack and the high-pressure pump are connected by a hydraulic oil pipe, the Z-shaped claw arm is installed on the upper end of the columnar jack, the two side wing plates of the bracket base fall into the slide grooves on the sides of the Z-shaped claw arm respectively, the front end of the bracket base is provided with a handle, and the limit alarm is installed on one side of the bracket base. The technical solution has the advantages of portability, convenient operation and safety, and is suitable for complex and diverse working environments.

Description

Technical Field

[0001] The invention relates to the field of lifting and handling tools, and in particular to a portable electric hydraulic claw jack. Background Art

[0002] A jack is a small and light lifting equipment used to lift heavy objects. It is mainly used in factories, mines, transportation and other departments to carry out vehicle repair, lifting and support work. The jack uses a rigid lifting piece as a working device and lifts heavy objects within a small stroke through the top support seat or the bottom support claw. Its structure is light, strong, flexible and reliable, and is usually operated by one person. In automobile maintenance, jacks are often used to replace spare tires. Common types of jacks include hydraulic jacks and mechanical jacks. Vehicle jacks are divided into horizontal and scissor types, among which scissor jacks are the most common, while horizontal jacks are common in vehicles with large deadweight. When using the jack, it is necessary to pull up the handbrake to fix the vehicle to ensure safe operation. The lower end of the "Z"-shaped claw arm of the claw jack can be extended under the low equipment base, so it has a very low initial lifting height. It is widely used in some handling construction scenes with low jacking support equipment or equipment chassis that need to be landed. However, the existing claw jacks basically use steel materials and have an inner and outer sandwich oil chamber structure. They are relatively bulky and inconvenient to carry. At the same time, its lifting method is manual operation using a rocker, which has high labor intensity and low efficiency. In some narrow places, it is subject to many space constraints. Therefore, those skilled in the art provide a portable electric hydraulic claw jack to solve the problems raised in the above background technology. Summary of the invention

[0003] In order to solve the above technical problems, the present invention provides a portable electric hydraulic claw jack, including an oil tank, a rotary valve, a lithium battery, a lighting lamp, a hydraulic oil pipe, a bracket base, a columnar jack, a Z-shaped claw arm, a handle, a limit alarm and a high-pressure pump. The high-pressure pump is installed on the upper side of the oil tank, the rotary valve is installed on the left side of the high-pressure pump, the lithium battery is installed on the rear side of the high-pressure pump, the lighting lamp is installed on the right side of the high-pressure pump, the columnar jack is installed in the bracket base, the hydraulic oil pipe is installed between the columnar jack and the high-pressure pump, the Z-shaped claw arm is installed on the upper end of the bracket base, the handle is installed on the front end of the bracket base, and the limit alarm is installed on the left side of the bracket base.

[0004] This technical solution is lightweight and equipped with a handle for easy carrying and transport, solving the problem of heavy and inconvenient movement of traditional claw jacks. The high-pressure pump is driven by a lithium battery, and there is no need for manual rocker operation, which reduces labor intensity and significantly improves work efficiency. It is particularly suitable for occasions with narrow space or inconvenient operation. The Z-shaped claw arm design can be extended under the base of the low equipment, which is suitable for the transportation construction scene where the equipment chassis needs to be close to the ground. It is equipped with a lighting lamp, which is suitable for use at night or in low-light environments. The limit alarm can improve operational safety and prevent misoperation or over-limit use. Using lithium batteries as a power source reduces dependence on external power supplies and reduces carbon emissions, which is more environmentally friendly than traditional oil-powered equipment. The hydraulic system provides stable power through the oil tank and high-pressure pump, with smooth lifting action and strong load-bearing capacity, which is suitable for a variety of industrial and maintenance environments. Overall, this technical solution significantly optimizes the user experience of traditional claw jacks, meets the requirements of portability, ease of operation and safety, and is particularly suitable for use in complex and diverse working environments.

[0005] Preferably: four legs of the same specification are installed on the lower side of the oil tank, a pressure gauge is installed on the front side of the high-pressure pump, an up button and a lighting button are installed on the upper side of the high-pressure pump, a lifting rod is installed on the upper left corner of the high-pressure pump, a hydraulic oil pipe is installed between the high-pressure pump and the columnar jack, a No. 1 quick connector is installed on the left end of the hydraulic oil pipe, and a No. 2 quick connector is installed on the right end of the hydraulic oil pipe.

[0006] Preferably: a piston is installed in the columnar jack, a No. 1 convex disc is installed at the bottom of the piston, an oil seal is installed in the No. 1 convex disc, a No. 2 convex disc is installed on the inner wall of the top of the columnar jack, a guide block is installed in the No. 2 convex disc, a spring bolt is installed at the bottom of the columnar jack, and a reset spring is installed on the spring bolt.

[0007] Preferably: the columnar jack is installed in the bracket base, a wing plate is installed on the rear side of the bracket base, and the wing plate is also installed in the slide groove.

[0008] Preferably: the slide groove is arranged on the side of the Z-shaped claw arm, and a fixing hole is arranged at the bottom of the upper end of the Z-shaped claw arm, and a piston is fixedly installed in the fixing hole.

[0009] Technical effects and advantages of the present invention: 1. The electric hydraulic method is adopted, and a portable high-pressure pump station with a lithium battery is used to provide power. There are rising and lighting buttons on the top of the pump station. When the rising button is pressed, the pump station outputs hydraulic oil to raise the claw jack. There is a lighting lamp on the side of the portable high-pressure pump station, which helps to provide working lighting in a narrow space and improve working safety; 2. There is a rotary valve on the side of the high-pressure pump station. When the rotary valve is closed, oil is pumped out for the jack to rise. When the rotary valve is opened, oil is returned inside for the jack to fall. By adjusting the angle of the rotary valve, the lifting speed of the claw jack can be controlled to make the operation more stable. 3. The claw jack body, including the Z-shaped claw arm, bracket base, columnar jack, etc., are all made of 7075 aluminum alloy, which greatly reduces the weight. The Z-shaped claw arm is machined as a whole, and the bracket base is welded by arc deep melting thick aluminum welding process. The Z-shaped claw arm, bracket base, and columnar jack are combined structures and are easy to separate. The columnar jack can be easily taken out from the top of the bracket base for easy single use or maintenance; 4. A limit alarm is installed on the base of the bracket. When the Z-shaped claw arm rises to the upper limit, a buzzer alarm will sound to prevent the jack from being damaged due to over-top. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 The structure of the present invention is schematically shown in FIG. Figure 1 ; Figure 2 The structure of the present invention is schematically shown in FIG. Figure 2 ; Figure 3 It is a cross-sectional structural schematic diagram of the present invention; Figure 4 It is a schematic diagram of a local explosion structure of the present invention; Figure 5 It is a partial structural schematic diagram of the present invention.

[0011] In the figure: 1. oil tank; 2. pressure gauge; 3. rotary valve; 4. lithium battery; 5. up button; 6. lighting button; 7. lighting lamp; 8. lifting rod; 9. support foot; 10. hydraulic oil pipe; 11. bracket base; 12. columnar jack; 13. Z-shaped claw arm; 14. lifting handle; 15. spring bolt; 16. return spring; 17. piston; 18. No. 1 convex disc; 19. No. 2 convex disc; 21. limit alarm; 22. high-pressure pump; 1001. No. 1 quick connector; 1002. No. 2 quick connector; 1101. wing plate; 1301. fixing hole; 1303. slide groove; 1801. oil seal; 1901. guide block. DETAILED DESCRIPTION

[0012] The present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described in order to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

[0013] Example See also Figure 1 to Figure 5In this embodiment, a portable electric hydraulic claw jack is provided, including an oil tank 1, a rotary valve 3, a lithium battery 4, a lighting lamp 7, a hydraulic oil pipe 10, a bracket base 11, a columnar jack 12, a Z-shaped claw arm 13, a handle 14, a limit alarm 21 and a high-pressure pump 22. The high-pressure pump 22 is installed on the upper side of the oil tank 1, the rotary valve 3 is installed on the left side of the high-pressure pump 22, the lithium battery 4 is installed on the rear side of the high-pressure pump 22, the lighting lamp 7 is installed on the right side of the high-pressure pump 22, the columnar jack 12 is installed in the bracket base 11, the hydraulic oil pipe 10 is installed between the columnar jack 12 and the high-pressure pump 22, the Z-shaped claw arm 13 is installed on the upper end of the bracket base 11, the handle 14 is installed on the front end of the bracket base 11, and the limit alarm 21 is installed on the left side of the bracket base 11.

[0014] Specifically, four legs 9 of the same specification are installed on the lower side of the oil tank 1, a pressure gauge 2 is installed on the front side of the high-pressure pump 22, an up button 5 and an illumination button 6 are installed on the upper side of the high-pressure pump 22, a lifting rod 8 is installed on the upper left corner of the high-pressure pump 22, a hydraulic oil pipe 10 is installed between the high-pressure pump 22 and the columnar jack 12, a No. 1 quick connector 1001 is installed on the left end of the hydraulic oil pipe 10, a No. 2 quick connector 1002 is installed on the right end of the hydraulic oil pipe 10, a piston 17 is installed in the columnar jack 12, a No. 1 convex plate 18 is installed at the bottom of the piston 17, and an oil seal 180 is installed in the No. 1 convex plate 18 1. A second convex disc 19 is installed on the inner wall of the top of the columnar jack 12, a guide block 1901 is installed in the second convex disc 19, a spring bolt 15 is installed at the bottom of the columnar jack 12, a reset spring 16 is installed on the spring bolt 15, the columnar jack 12 is installed in the bracket base 11, a wing plate 1101 is installed on the rear side of the bracket base 11, and the wing plate 1101 is also installed in the slide groove 1303, the slide groove 1303 is arranged on the side of the Z-shaped claw arm 13, a fixing hole 1301 is arranged at the bottom of the upper end of the Z-shaped claw arm 13, and a piston 17 is fixedly installed in the fixing hole 1301.

[0015] The working principle of the present invention is: A portable electric hydraulic claw jack is used, and a convenient high-pressure pump 22 with a lithium battery 4 is used to provide power. When the up button 5 is pressed, the high-pressure pump 22 outputs hydraulic oil to make the claw jack rise. When the light button 6 is pressed, the lighting lamp 7 provides working lighting. When the rotary valve 3 is closed, oil is pumped out to be used for the jack to rise. When the rotary valve 3 is opened, oil is returned inside to be used for the jack to descend. A limit alarm 21 is installed on the bracket base 11. When the Z-shaped claw arm 13 rises to the upper limit position, a buzzer alarm sound will be emitted to prevent the jack from being damaged due to over-top.

[0016] Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field and related fields without creative work should fall within the scope of protection of the present invention. The structures, devices and operating methods not specifically described and explained in the present invention are implemented according to the conventional means in the field unless otherwise specified and limited.

Claims

1. A portable electric hydraulic claw jack, characterized in that: The utility model comprises an oil tank (1), a rotary valve (3), a lithium battery (4), a lighting lamp (7), a hydraulic oil pipe (10), a support base (11), a columnar jack (12), a Z-shaped claw arm (13), a handle (14), a limit alarm (21) and a high-pressure pump (22). The high-pressure pump (22) is installed on the upper side of the oil tank (1), the rotary valve (3) is installed on the left side of the high-pressure pump (22), the lithium battery (4) is installed on the rear side of the high-pressure pump (22), the lighting lamp (7) is installed on the right side of the high-pressure pump (22), the columnar jack (12) is installed in the support base (11), the hydraulic oil pipe (10) is installed between the columnar jack (12) and the high-pressure pump (22), the Z-shaped claw arm (13) is installed on the upper end of the support base (11), the handle (14) is installed on the front end of the support base (11), and the limit alarm (21) is installed on the left side of the support base (11).

2. A portable electric hydraulic claw jack according to claim 1, characterized in that: Four legs (9) of the same specification are installed on the lower side of the oil tank (1), a pressure gauge (2) is installed on the front side of the high-pressure pump (22), a rising button (5) and a lighting button (6) are installed on the upper side of the high-pressure pump (22), and a lifting rod (8) is installed on the upper left corner of the high-pressure pump (22).

3. A portable electric hydraulic claw jack according to claim 2, characterized in that: A hydraulic oil pipe (10) is installed between the high-pressure pump (22) and the columnar jack (12), a No. 1 quick connector (1001) is installed at the left end of the hydraulic oil pipe (10), and a No. 2 quick connector (1002) is installed at the right end of the hydraulic oil pipe (10).

4. A portable electric hydraulic claw jack according to claim 3, characterized in that: A piston (17) is installed in the columnar jack (12), a first convex disc (18) is installed at the bottom of the piston (17), and an oil seal (1801) is installed in the first convex disc (18).

5. A portable electric hydraulic claw jack according to claim 4, characterized in that: A second convex disc (19) is installed on the inner wall of the top of the columnar jack (12), a guide block (1901) is installed in the second convex disc (19), a spring bolt (15) is installed at the bottom of the columnar jack (12), and a return spring (16) is installed on the spring bolt (15).

6. A portable electric hydraulic claw jack according to claim 5, characterized in that: The columnar jack (12) is installed in the bracket base (11), and the wing plate (1101) is installed on the rear side of the bracket (111). The wing plate (1101) is also installed in the slide groove (1303) of the Z-shaped claw arm (13).

7. A portable electric hydraulic claw jack according to claim 6, characterized in that: The slide groove (1303) is arranged on the side of the Z-shaped claw arm (13).

8. A portable electric hydraulic claw jack according to claim 7, characterized in that: The bottom of the upper end of the Z-shaped claw arm (13) is provided with a fixing hole (1301), and the piston (17) of the columnar jack (12) is installed in the fixing hole (1301).

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