CN211141399U

CN211141399U - Hydraulic jack suitable for underwater operation

Info

Publication number: CN211141399U
Application number: CN201921958411.6U
Authority: CN
Inventors: 殷业军
Original assignee: China Energy Ocean Shenzhen Ocean Technology Development Co ltd
Current assignee: China Energy Ocean Shenzhen Ocean Technology Development Co ltd
Priority date: 2019-11-13
Filing date: 2019-11-13
Publication date: 2020-07-31
Anticipated expiration: 2029-11-13

Abstract

The utility model relates to a lift technical field, and disclose hydraulic jack suitable for underwater operation, comprising a base plate, the higher authority fixed mounting of bottom plate has bracing piece one, the top surface fixed mounting of bracing piece one has the lift chamber, the inner chamber swing joint in lift chamber has the piston, the fixed surface of piston installs the snap ring, the top surface fixed mounting of piston has the ejector pin. The utility model discloses a waterproof motor drives half gear one and half gear two rotates, the left surface of half gear one is direct and rack toothing, the left surface and the transition gear meshing of half gear two, the left surface and the rack toothing of transition gear, the teeth of a cogwheel on the half gear two when leaving the meshing position of rack through the teeth of a cogwheel on the half gear one meshes with the transition gear, realize that the rack drives the lifter and carry out up-and-down motion, the manual work under water has been replaced, use manpower sparingly, the long-time safe risk of operation in water of personnel has been reduced.

Description

Hydraulic jack suitable for underwater operation

Technical Field

The utility model relates to a lift technical field specifically is a hydraulic jack suitable for underwater operation.

Background

The hydraulic jack is simple in structure, easy to carry, suitable for the condition that the height for lifting heavy objects is not too high, capable of bearing a lot of lifting operations, and capable of playing a great role in a lot of aspects in our lives.

The working position of the hydraulic jack for underwater operation is underwater, the existing operation mode is mostly manual operation in water by manpower, but the manual operation of the jack increases the labor cost of the manpower, and the working personnel with complex environment in water have great safety risk when operating the jack.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a hydraulic jack suitable for underwater operation possesses and avoids the manual work to operate the jack under water, has reduced working cost, reduces the advantage of potential safety hazard, has solved the problem that proposes among the above-mentioned background art.

The utility model provides a following technical scheme: the hydraulic jack suitable for underwater operation comprises a bottom plate, wherein a first supporting rod is fixedly mounted on the top of the bottom plate, a lifting cavity is fixedly mounted on the top of the first supporting rod, a piston is movably connected to the inner cavity of the lifting cavity, a snap ring is fixedly mounted on the surface of the piston, a push rod is fixedly mounted on the top of the piston, a sealing ring is sleeved on the surface of the push rod in a movable mode, a second supporting rod is fixedly mounted on the top of the bottom plate, a hydraulic cavity is fixedly mounted on the top of the second supporting rod, an extension plate is fixedly mounted at the upper end of the hydraulic cavity, a rack is fixedly mounted on the upper surface of the extension plate, a waterproof motor is fixedly mounted on the rack, a first half gear is fixedly mounted on the upper surface of the waterproof motor, a second half gear and a first half gear are fixedly sleeved on, transition gear has been cup jointed in the top activity of splint, the higher authority fixed mounting of piston has the lifter, the top fixed mounting of lifter has the rack, the fixed surface in lift chamber and hydraulic pressure chamber installs the heating jacket, the bottom surface in hydraulic pressure chamber and the bottom surface fixed mounting in lift chamber have the pressure oil pipe, the other end fixed mounting in lift chamber bottom surface has oil discharge pipe, the higher authority fixed mounting of bottom plate has the oil tank, press the middle pipe of preventing returning of oil pipe to install, stifled ball has been placed to the inner chamber of oil tank.

Preferably, the length of the lifting chamber is equal to the length of the hydraulic chamber, and the height of the lifting chamber is equal to the height of the hydraulic chamber.

Carefully, the piston is total two respectively the activity cup joint at the inner chamber in lift chamber and hydraulic pressure chamber, the diameter value of snap ring is less than the diameter value of lift chamber inner chamber.

The selection is carried out, the diameter value of the first half gear is larger than that of the second half gear, the left surface of the second half gear is meshed with the transition gear, the left surface of the transition gear is meshed with the rack, and the left surface of the first half gear is meshed with the rack.

Carefully selecting, the diameter value of heating jacket is greater than the diameter value of lift chamber, the height value of heating jacket is less than the height value of lift chamber.

Carefully selecting, prevent that return pipe total two are located two pressure oil pipe below the hydraulic pressure chamber respectively, the diameter value of stifled ball is greater than the diameter value of pressing the oil pipe.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. the utility model discloses a waterproof motor drives half gear one and half gear two rotates, the left surface of half gear one is direct and rack toothing, the left surface and the transition gear meshing of half gear two, the left surface and the rack toothing of transition gear, the teeth of a cogwheel on the half gear two when leaving the meshing position of rack through the teeth of a cogwheel on the half gear one meshes with the transition gear, realize that the rack drives the lifter and carry out up-and-down motion, the manual work under water has been replaced, use manpower sparingly, the long-time safe risk of operation in water of personnel has been reduced.

2. The utility model discloses a fixed surface installation heating jacket in lift chamber and hydraulic pressure chamber, the surface of water is salvaged after the device work finishes, heat lift chamber and hydraulic pressure chamber through the heating jacket, the moisture on rapid evaporation lift chamber and hydraulic pressure chamber surface, make lift chamber and hydraulic pressure chamber be in dry state, prevent that moisture from remaining and causing the surface corrosion on the device surface, increase the life of device, the adoption sealing washer at lift chamber and hydraulic pressure chamber top surface carries out double-deck sealedly, the leakproofness of device has been improved, it causes the pollution to the waters to have reduced the device oil leak, the environmental protection.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the rack transmission of the present invention;

FIG. 3 is a schematic view of the piston of the present invention;

fig. 4 is a schematic view of the anti-backflow structure of the present invention.

In the figure: 1. a base plate; 2. a first supporting rod; 3. a lifting cavity; 4. a piston; 5. a snap ring; 6. a seal ring; 7. a top rod; 8. a second supporting rod; 9. a hydraulic chamber; 10. an extension plate; 11. a frame; 12. a waterproof motor; 13. a first half gear; 14. a half gear II; 15. a splint; 16. a transition gear; 17. a lifting rod; 18. a rack; 19. heating a jacket; 20. pressing a oil pipe; 21. unloading the oil pipe; 22. an oil tank; 23. preventing pipe return; 24. and (5) blocking the ball.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, a hydraulic jack suitable for underwater operation comprises a bottom plate 1, a first support rod 2 is fixedly installed on the bottom plate 1, a lifting cavity 3 is fixedly installed on the top surface of the first support rod 2, the length of the lifting cavity 3 is equal to the length of a hydraulic cavity 9, the height of the lifting cavity 3 is equal to the height of the hydraulic cavity 9, a sealing ring 6 is adopted on the top surfaces of the lifting cavity 3 and the hydraulic cavity 9 for double-layer sealing, the sealing performance of the device is improved, the pollution of leaked oil of the device to a water area is reduced, the environment is protected, a piston 4 is movably connected to the inner cavity of the lifting cavity 3, the piston 4 is respectively movably sleeved on the inner cavities of the lifting cavity 3 and the hydraulic cavity 9, the diameter of a clamp ring 5 is smaller than that of the inner cavity of the lifting cavity 3, two clamp rings 5 are arranged on the surface of the piston 4, the lifting cavity 3 and the hydraulic cavity, the surface of the piston 4 is fixedly provided with a snap ring 5, the top surface of the piston 4 is fixedly provided with a mandril 7, the surface of the mandril 7 is movably sleeved with a sealing ring 6, the sealing ring 6 arranged at the top of the inner cavities of the lifting cavity 3 and the hydraulic cavity 9 has certain elasticity, when the piston 4 moves to the top ends of the lifting cavity 3 and the hydraulic cavity 9, the piston 4 is buffered and damped, the service life of the device is prolonged, the upper surface of the bottom plate 1 is fixedly provided with a support rod II 8, the top surface of the support rod II 8 is fixedly provided with a hydraulic cavity 9, the upper end of the hydraulic cavity 9 is fixedly provided with an extension plate 10, the upper surface of the extension plate 10 is fixedly provided with a rack 11, the upper surface of the rack 11 is fixedly provided with a waterproof motor 12, the waterproof motor 12 drives a half gear I13 and a half gear II 14 to rotate, the upper surface of the waterproof motor 12, the left surface of the half gear II 14 is meshed with a transition gear 16, the left surface of the transition gear 16 is meshed with a rack 18, the left surface of the half gear I13 is meshed with the rack 18, the output end of the half gear I13 is fixedly sleeved with the half gear II 14 and the half gear I13, the left surface of the half gear II 14 is meshed with the transition gear 16, the left surface of the transition gear 16 is meshed with the rack 18, gear teeth on the half gear II 14 are meshed with the transition gear 16 when the gear teeth on the half gear I13 leave the meshing position of the rack 18, so that the rack 18 drives a lifting rod 17 to reciprocate up and down, the top surface of the hydraulic cavity 9 is fixedly provided with a clamping plate 15, the top end of the clamping plate 15 is movably sleeved with the transition gear 16, a lifting rod 17 is fixedly arranged on the upper surface of the piston 4, the lifting rod 17 drives hydraulic oil to be extracted from an oil tank 22 to enter an inner cavity of the hydraulic cavity 9 when moving upwards, the lifting rod 17 presses the hydraulic oil, thereby realize that piston 4 drives ejector pin 7 upward movement, the top fixed mounting of lifter 17 has rack 18, replace original depression bar, avoid artifical operation under water, use manpower sparingly, the long-time safety risk of operation in water of personnel is reduced, the fixed surface of lift chamber 3 and hydraulic pressure chamber 9 installs heating jacket 19, the diameter value of heating jacket 19 is greater than the diameter value of lift chamber 3, the height value of heating jacket 19 is less than the height value of lift chamber 3, the surface of water is salvaged after the device work is finished, lift chamber 3 and hydraulic pressure chamber 9 are heated through heating jacket 19, evaporate the moisture on lift chamber 3 and the surface of hydraulic pressure chamber 9 fast, make lift chamber 3 and hydraulic pressure chamber 9 be in the dry state, prevent to have moisture to remain and cause surface corrosion on the device surface, increase the life of device, the bottom surface of hydraulic pressure chamber 9 and the bottom surface fixed mounting of lift chamber 3 have pressure oil pipe 20, the other end fixed mounting of 3 bottoms sides in lift chamber has oil discharge pipe 21, carry out the pressure release through the relief valve on the oil discharge pipe 21 after the work finishes, make ejector pin 7 downstream realize the return, bottom plate 1's higher authority fixed mounting has oil tank 22, press the centre of oil pipe 20 to install and prevent return pipe 23, prevent that return pipe 23 is total two and be located two pressure oil pipe 20 of hydraulic pressure chamber 9 below respectively, the diameter value of stifled ball 24 is greater than the diameter value of pressing oil pipe 20, stifled ball 24 has been placed to the inner chamber of oil tank 22, stifled ball 24 is placed in the inside of preventing return pipe 23, upwards flow down when an organic whole makes stifled ball 24 follow liquid rebound, when liquid downward flow, stifled ball 24 follows the direction downstream that liquid flows and blocks up the bottom of preventing return pipe 23.

The working principle is as follows: when the device is used, the waterproof motor 12 drives the first half gear 13 and the second half gear 14 to rotate, the left surface of the first half gear 13 is directly meshed with the rack 18, the left surface of the second half gear 14 is meshed with the transition gear 16, the left surface of the transition gear 16 is meshed with the rack 18, gear teeth on the second half gear 14 are meshed with the transition gear 16 when the gear teeth on the first half gear 13 leave the meshing position of the rack 18, the rack 18 drives the lifting rod 17 to reciprocate up and down, the blocking ball 24 is placed inside the return-preventing pipe 23, the blocking ball 24 moves upwards along with liquid when the whole body flows from bottom to top, when the liquid flows downwards, the blocking ball 24 moves downwards along with the flowing direction of the liquid to block the bottom of the return-preventing pipe 23, when the lifting rod 17 moves upwards, the hydraulic oil is extracted from the oil tank 22 to enter the inner cavity of the hydraulic cavity 9, and when the lifting rod 17 moves downwards, the hydraulic oil in the hydraulic cavity 9 is pressed to the inner, therefore, the piston 4 drives the ejector rod 7 to move upwards, and after the work is finished, the pressure is relieved through a pressure relief valve on the oil unloading pipe 21, so that the ejector rod 7 moves downwards to realize return.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Simultaneously in the utility model discloses an in the drawing, fill the pattern and just do not do any other injecions for distinguishing the picture layer.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Hydraulic jack suitable for underwater operation, including bottom plate (1), its characterized in that: the upper surface of the bottom plate (1) is fixedly provided with a first supporting rod (2), the top surface of the first supporting rod (2) is fixedly provided with a lifting cavity (3), the inner cavity of the lifting cavity (3) is movably connected with a piston (4), the surface of the piston (4) is fixedly provided with a snap ring (5), the top surface of the piston (4) is fixedly provided with a push rod (7), the surface of the push rod (7) is movably sleeved with a sealing ring (6), the upper surface of the bottom plate (1) is fixedly provided with a second supporting rod (8), the top surface of the second supporting rod (8) is fixedly provided with a hydraulic cavity (9), the upper end of the hydraulic cavity (9) is fixedly provided with an extension plate (10), the upper surface of the extension plate (10) is fixedly provided with a rack (11), the upper surface of the rack (11) is fixedly provided with a waterproof motor (12), the upper surface of the, the output end of the half gear I (13) is fixedly sleeved with a half gear II (14) and a half gear I (13), a clamping plate (15) is fixedly arranged on the top surface of the hydraulic cavity (9), a transition gear (16) is movably sleeved at the top end of the clamping plate (15), a lifting rod (17) is fixedly arranged on the upper surface of the piston (4), a rack (18) is fixedly arranged at the top end of the lifting rod (17), the surfaces of the lifting cavity (3) and the hydraulic cavity (9) are fixedly provided with heating sleeves (19), the bottom surface of the hydraulic cavity (9) and the bottom surface of the lifting cavity (3) are fixedly provided with a pressure oil pipe (20), an oil discharge pipe (21) is fixedly arranged at the other end of the bottom surface of the lifting cavity (3), an oil tank (22) is fixedly mounted on the bottom plate (1), an anti-return pipe (23) is mounted in the middle of the oil pressing pipe (20), and a blocking ball (24) is placed in an inner cavity of the oil tank (22).

2. The hydraulic jack suitable for underwater operations of claim 1, wherein: the length value of the lifting cavity (3) is equal to the length value of the hydraulic cavity (9), and the height value of the lifting cavity (3) is equal to the height value of the hydraulic cavity (9).

3. The hydraulic jack suitable for underwater operations of claim 1, wherein: piston (4) total two respectively the activity cup joint at the inner chamber in lift chamber (3) and hydraulic pressure chamber (9), the diameter value of snap ring (5) is less than the diameter value of lift chamber (3) inner chamber.

4. The hydraulic jack suitable for underwater operations of claim 1, wherein: the diameter value of half gear (13) is greater than the diameter value of half gear (14), the left surface and the transition gear (16) meshing of half gear (14), the left surface and the rack (18) meshing of transition gear (16), the left surface and the rack (18) meshing of half gear (13).

5. The hydraulic jack suitable for underwater operations of claim 1, wherein: the diameter value of heating jacket (19) is greater than the diameter value of lift chamber (3), the height value of heating jacket (19) is less than the height value of lift chamber (3).

6. The hydraulic jack suitable for underwater operations of claim 1, wherein: the anti-return pipe (23) is provided with two oil pressing pipes (20) which are respectively positioned below the hydraulic cavity (9), and the diameter value of the blocking ball (24) is larger than that of the oil pressing pipes (20).