CN218434686U

CN218434686U - Pneumatic hydraulic jack with angle adjusting function

Info

Publication number: CN218434686U
Application number: CN202122367234.8U
Authority: CN
Inventors: 王惠明
Original assignee: Jiaxing Mingrui Technology Co ltd
Current assignee: Jiaxing Mingrui Technology Co ltd
Priority date: 2021-09-27
Filing date: 2021-09-27
Publication date: 2023-02-03
Anticipated expiration: 2031-09-27

Abstract

The utility model discloses a pneumatic hydraulic jack with angle modulation function, including the automobile body, the automobile body is connected with the tow bar, installs jacking cylinder, oil tank on the automobile body, crosses cab apron and pneumatic booster, and the oil tank links to each other with jacking cylinder through crossing the fuel feeding oil circuit on the cab apron, and pneumatic booster is gone into jacking cylinder with hydraulic oil pump, and pneumatic booster connects high pressurized air source through installing the air feed joint on the automobile body, the automobile body is isosceles triangle, and the lower surface mounting of automobile body has three telescopic support legs, and three telescopic support leg is close to the three angle of automobile body respectively, and telescopic support leg is driven by telescopic cylinder respectively, and telescopic cylinder connects the air feed joint through the control switch who installs on the tow bar respectively. The utility model discloses a pneumatic hydraulic jack with angle modulation function can adapt to unevenness's ground, has improved stability and security in the jack use. The device is suitable for large-load trucks, muck trucks, mine cars and the like.

Description

Pneumatic hydraulic jack with angle adjusting function

Technical Field

The utility model belongs to the technical field of the jack, concretely relates to pneumatic hydraulic jack with angle modulation function.

Background

The jack has wide application and various types, and is suitable for different use scenes. The pneumatic hydraulic jack is assisted by the aid of the pneumatic booster, the defects that a traditional mechanical hydraulic jack is time-consuming and labor-consuming in operation are overcome, and the pneumatic hydraulic jack is suitable for jacking operation of large vehicles and the like. Generally, the air compressor is arranged on a special automobile for repairing and matched with an on-board air compressor and the like. The pneumatic hydraulic jack has long stroke and heavy weight, and is generally provided with wheels for conveniently dragging the jack, but the grounding area of the jack is very small, and the balance of the jack is insufficient. Especially, when a special vehicle for high-load field operation such as a large-scale mine car and the like uses a traditional jack, the jack is difficult to effectively erect on uneven or soft ground to jack the vehicle for operation. Therefore, there is a need for improvements to existing pneumatic and hydraulic jacks.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model discloses a technical scheme is: pneumatic hydraulic jack with angle modulation function, including the automobile body, the automobile body coupling has the tow bar, installs jacking cylinder, oil tank on the automobile body, crosses cab apron and pneumatic booster, and the oil tank passes through the fuel feeding oil circuit on the cab apron and links to each other with jacking cylinder, and pneumatic booster is gone into jacking cylinder with hydraulic oil pump, and pneumatic booster connects high pressurized air source through installing the air feed joint on the automobile body, the automobile body is isosceles triangle, and the lower surface mounting of automobile body has three flexible supporting legs, and three flexible supporting legs are close to the three angle of automobile body respectively, and flexible supporting leg is driven by telescopic cylinder respectively, and telescopic cylinder connects the air feed joint through the control switch who installs on the tow bar respectively.

Preferably, the jacking cylinder is located at the center of the vehicle body.

Preferably, the lower surface of the vehicle body is provided with a groove, the telescopic cylinders are respectively arranged in the grooves, and the telescopic supporting legs retract into the grooves after the telescopic cylinders contract.

Preferably, the periphery of the groove is provided with an annular groove, the lower end of the telescopic supporting foot is fixedly connected with a supporting circular plate, and the supporting circular plate is matched with the annular groove.

Preferably, according to the technical scheme, the upper surface of the vehicle body is provided with a universal level.

Preferably as above-mentioned technical scheme, the automobile body below is equipped with the mounting groove, is equipped with the lifter plate in the mounting groove, and the lifter plate is driven by lift cylinder to go up and down, installs a plurality of pulleys on the lifter plate, and the pulley divide into the action wheel and follows the driving wheel, and the action wheel is rotated by the pneumatic motor drive, and the pneumatic motor connects the air feed joint through establishing the first switch on the tow bar, the lifter plate is gone up and down by the cylinder drive, and the lift cylinder connects the high pressurized air source air feed through establishing the control switch on the tow bar.

Preferably as above-mentioned technical scheme, the pulley is including two action wheels and one from the driving wheel, through initiative pivot fixed connection between two action wheels, from rotatable the installing on the lifter plate of driving wheel, the initiative pivot passes through the rotatable installation on the lifter plate of bearing, and the rotation axis of gear connection pneumatic motor is passed through in the initiative pivot, all pulleys all are located the mounting groove after the lift cylinder shrink.

Preferably, the mounting groove is covered with a cover plate, the cover plate is flush with the lower surface of the vehicle body, the cover plate is provided with a plurality of through holes for the lower ends of the pulleys to extend out, and the periphery of the cover plate is detachably mounted on the vehicle body through a plurality of screws.

Preferably, the lifting plate is provided with a plurality of guide holes, the mounting groove is internally provided with a plurality of guide posts, the guide holes correspond to the guide posts, the guide posts are movably inserted into the corresponding guide holes, and a piston rod of the lifting cylinder is fixedly connected with the middle part of the lifting plate.

Preferably, the cover plate is provided with a plurality of clamping grooves, the clamping grooves correspond to the guide posts one by one, the upper ends of the guide posts are fixedly connected with the vehicle body, and the lower ends of the guide posts are inserted into the clamping grooves.

The beneficial effects of the utility model are that: the utility model discloses a pneumatic hydraulic jack with angle modulation function can adapt to unevenness's ground, has improved stability and security in the jack use. The device is suitable for large-load trucks, muck trucks, mine cars and the like.

Drawings

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

fig. 2 is a schematic view of a vehicle body.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. 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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-2, the pneumatic hydraulic jack with the angle adjusting function comprises a vehicle body 1, wherein the vehicle body 1 is connected with a towing rod 2, the vehicle body 1 is provided with a jacking cylinder 3, an oil tank, a transition plate 4 and a pneumatic booster 5, the oil tank is connected with the jacking cylinder 3 through an oil supply circuit on the transition plate 4, the pneumatic booster 5 pumps hydraulic oil into the jacking cylinder 3, the pneumatic booster 5 is connected with a high-pressure air source through an air supply connector arranged on the vehicle body 1, the vehicle body 1 is in an isosceles triangle shape, three telescopic supporting feet 6 are arranged on the lower surface of the vehicle body 1, the three telescopic supporting feet 6 are respectively close to three corners of the vehicle body 1, the telescopic supporting feet 6 are respectively driven by telescopic cylinders 7, and the telescopic cylinders 7 are respectively connected with the high-pressure air source through control switches arranged on the towing rod 2. The three telescopic supporting legs 6 are respectively controlled, so that the vehicle body 1 can be kept horizontal on an uneven road surface. The telescopic supporting legs 6 are driven by a high-pressure air source matched with a pneumatic hydraulic jack.

Further, the jacking cylinder 3 is positioned at the center of the vehicle body 1.

Furthermore, the lower surface of the vehicle body 1 is provided with a groove 8, the telescopic cylinders 7 are respectively arranged in the groove 8, and the telescopic supporting feet 6 retract into the groove 8 after the telescopic cylinders 7 contract.

Furthermore, an annular groove 9 is formed around the groove 8, a supporting circular plate 10 is fixedly connected to the lower end of the telescopic supporting leg 6, and the supporting circular plate 10 is matched with the annular groove 9.

Further, the upper surface of the vehicle body 1 is provided with a universal level 11. Whether the vehicle body 1 is kept in a horizontal state can be directly observed through the universal level 11.

Further, 1 below of automobile body is equipped with mounting groove 12, is equipped with the lifter plate in the mounting groove 12, and the lifter plate is driven by lift cylinder 14 and goes up and down, installs a plurality of pulleys 15 on the lifter plate, and pulley 15 divide into the action wheel and follow the driving wheel, and the action wheel is rotated by the pneumatic motor drive, and pneumatic motor connects high pressurized air source through establishing the first switch on tow bar 2, and lift cylinder 14 connects high pressurized air source air feed through establishing the control switch on tow bar 2.

Further, pulley 15 is including two action wheels and one from the driving wheel, through initiative pivot fixed connection between two action wheels, lifter plate and mounting groove 12 are triangle-shaped, follow the rotatable apex angle of installing at the lifter plate of driving wheel, and the initiative pivot passes through the rotatable base of installing on the lifter plate and being close to the lifter plate of bearing, and the rotation axis of gear connection pneumatic motor is passed through in the initiative pivot, all pulleys 15 all are located mounting groove 12 after 14 shrink of lift cylinder.

Furthermore, the mounting groove 12 is covered with a cover plate 16, the cover plate 16 is flush with the lower surface of the vehicle body 1, the cover plate 16 is provided with a plurality of through holes 17 for the lower ends of the pulleys 15 to extend out, and the periphery of the cover plate 16 is detachably mounted on the vehicle body 1 through a plurality of screws. The cover 16 further increases the contact area of the vehicle body 1 with the ground. Meanwhile, foreign matters entering the mounting groove 12 to influence the lifting of the lifting plate are reduced.

Furthermore, a plurality of guide holes 18 are installed on the lifting plate, a plurality of guide posts 19 are installed in the installation groove 12, the guide holes 18 correspond to the guide posts 19, the guide posts 19 can be movably inserted into the corresponding guide holes 18, and a piston rod of the lifting cylinder 14 is fixedly connected with the middle part of the lifting plate. The cooperation of the guide holes 18 and the guide posts 19 makes the lifting of the lifting plate more stable.

Furthermore, a plurality of clamping grooves 20 are formed in the cover plate 16, the clamping grooves 20 correspond to the guide posts 19 one by one, the upper ends of the guide posts 19 are fixedly connected with the vehicle body 1, and the lower ends of the guide posts 19 are inserted into the clamping grooves 20. The guide column 19 supports the cover plate 16, so that the overall stability of the jack is improved.

It is worth mentioning, the utility model discloses a technical characteristics such as jacking cylinder, oil tank, transition plate and pneumatic booster, cylinder, pneumatic motor, universal spirit level that the patent application relates to should be regarded as prior art, and the concrete structure of these technical characteristics, theory of operation and the control mode that probably involves, spatial arrangement mode adopt in this field conventional selection can, should not be regarded as the utility model discloses an invention point place, the utility model discloses a do not do further specifically expand the detailing.

Having described in detail preferred embodiments of the present invention, it is to be understood that modifications and variations can be made by persons skilled in the art without inventive faculty, and therefore all technical solutions which can be obtained by a person skilled in the art based on the concepts of the present invention through logical analysis, reasoning or limited experiments based on the prior art are intended to be within the scope of protection defined by the claims.

Claims

1. Pneumatic hydraulic jack with angle modulation function, its characterized in that, including the automobile body, the automobile body coupling has the tow bar, installs jacking cylinder, oil tank on the automobile body, crosses cab apron and pneumatic booster, and the oil tank links to each other with jacking cylinder through crossing the fuel feeding oil circuit on the cab apron, and pneumatic booster pumps hydraulic oil into jacking cylinder, and pneumatic booster connects high pressurized air source through installing the air feed joint on the automobile body, the automobile body is isosceles triangle, and the lower surface mounting of automobile body has three telescopic support legs, and three telescopic support legs are close to three angles of automobile body respectively, and telescopic support leg is driven by telescopic cylinder respectively, and telescopic cylinder connects the air feed joint through the control switch who installs on the tow bar respectively.

2. The pneumatic-hydraulic jack with angle adjustment function according to claim 1, wherein the jacking cylinder is located at the center of the vehicle body.

3. The pneumatic hydraulic jack with angle adjusting function as claimed in claim 2, wherein the lower surface of the vehicle body is provided with grooves, the telescopic cylinders are respectively installed in the grooves, and the telescopic supporting legs retract into the grooves after the telescopic cylinders retract.

4. The pneumatic hydraulic jack with angle adjusting function as claimed in claim 3, wherein the recess is provided with an annular groove around it, the lower end of the telescopic supporting foot is fixedly connected with a supporting circular plate, and the supporting circular plate is engaged with the annular groove.

5. The pneumatic hydraulic jack with angle adjusting function as claimed in claim 4, wherein said vehicle body upper surface is provided with a universal level.

6. The pneumatic hydraulic jack with angle adjusting function as claimed in claim 5, wherein a mounting groove is provided below the body, a lifting plate is provided in the mounting groove, the lifting plate is driven by a lifting cylinder to lift, a plurality of pulleys are provided on the lifting plate, the pulleys are divided into a driving wheel and a driven wheel, the driving wheel is driven by a pneumatic motor to rotate, the pneumatic motor is connected with the air supply connector through a first switch provided on the towing bar, the lifting plate is driven by the cylinder to lift, and the lifting cylinder is connected with the air supply through a control switch provided on the towing bar.

7. The pneumatic hydraulic jack with angle adjusting function as claimed in claim 6, wherein the pulley includes two driving wheels and a driven wheel, the two driving wheels are fixedly connected through a driving shaft, the driven wheel is rotatably mounted on the lifting plate, the driving shaft is rotatably mounted on the lifting plate through a bearing, the driving shaft is connected with a rotating shaft of the pneumatic motor through a gear, and after the lifting cylinder is retracted, all the pulleys are located in the mounting groove.

8. The pneumatic hydraulic jack with angle adjusting function as claimed in claim 7, wherein the mounting groove is covered with a cover plate which is flush with the lower surface of the car body, the cover plate is provided with a plurality of through holes for the lower ends of the pulleys to extend out, and the periphery of the cover plate is detachably mounted on the car body by a plurality of screws.

9. The pneumatic hydraulic jack with angle adjusting function as claimed in claim 8, wherein a plurality of guiding holes are installed on the lifting plate, a plurality of guiding posts are installed in the installation groove, the guiding holes correspond to the guiding posts, the guiding posts are movably inserted into the corresponding guiding holes, and the piston rod of the lifting cylinder is fixedly connected to the middle part of the lifting plate.

10. The pneumatic hydraulic jack with angle adjusting function as claimed in claim 9, wherein the cover plate is provided with a plurality of slots corresponding to the guide posts one by one, the upper ends of the guide posts are fixedly connected to the car body, and the lower ends of the guide posts are inserted into the slots.