CN213060012U

CN213060012U - 3T double-pump hydraulic jack

Info

Publication number: CN213060012U
Application number: CN202021157415.7U
Authority: CN
Inventors: 张波
Original assignee: Tongxiang Dingding Machinery Co ltd
Current assignee: Tongxiang Dingding Machinery Co ltd
Priority date: 2020-06-20
Filing date: 2020-06-20
Publication date: 2021-04-27
Anticipated expiration: 2030-06-20

Abstract

The utility model discloses a 3T double-pump hydraulic jack, belonging to the technical field of double-pump hydraulic jacks and comprising an oil groove, the top end of the surface of the oil groove is welded with a shell, the inner wall of the shell is provided with a telescopic chamber, the inner wall of the telescopic chamber is connected with a telescopic rod in a matching way, the surface of the oil groove is provided with two hydraulic chambers, the inner wall of each hydraulic chamber is provided with a liquid suction chamber, the surface of the imbibing chamber is provided with a high-pressure pipe A, the surface of the high-pressure pipe A is provided with two flow-limiting pipes, the inner wall of the flow limiting pipe is provided with a flow limiting block, the surface of the expansion chamber is provided with a high-pressure pipe B, the surface of the high-pressure pipe B is provided with a sealing valve, the telescopic chamber is supplied with oil by the double pumps, the oil supply efficiency and the weight of the jacking object are greatly increased, through superimposed telescopic link, great increase the height of jack-up, made things convenient for user's use.

Description

3T double-pump hydraulic jack

Technical Field

The utility model relates to a double pump hydraulic jack technical field especially relates to a 3T double pump hydraulic jack.

Background

The basic principle on which hydraulic transmission is based is the pascal's law, that is, the pressures of the liquid are uniform throughout, so that in a balanced system, the pressure exerted on a smaller piston is smaller, and the pressure exerted on a larger piston is larger, so that the liquid can be kept still, and therefore, different pressures at different ends can be obtained through the transmission of the liquid, and the purpose of conversion can be achieved.

The patent CN206368005U discloses a special double-pump hydraulic jack for a firewood chopping vehicle, which comprises a base, a large oil cylinder, a piston rod, a sealing component, a large pump body lifting device and a small pump body lifting device, wherein the base is provided with the large oil cylinder, the top of the large oil cylinder is provided with a top cap, the top cap is internally provided with the sealing component, the large oil cylinder is internally provided with a piston cylinder, the piston rod is arranged in the piston cylinder, the side walls above and below the piston rod are respectively provided with an exhaust hole, the side wall of the base is provided with an oil return screwing valve, the oil return screwing valve is matched with the large oil cylinder, the two sides of the large oil cylinder are respectively provided with the large pump body lifting device and the small pump body lifting device, the large pump body lifting device and the small lifting device are matched with the large oil cylinder, a double-pump design is adopted, and a main pump is used during rising, the process can be accelerated, the piston rod can be quickly positioned, air in the quick lifting process is timely discharged through the exhaust holes formed in the piston rod, and the vacuum state is prevented from being formed inside the piston rod.

The dual-pump hydraulic jack special for the firewood chopping vehicle has the following defects: 1. the conduction efficiency is extremely low when the oil is propelled, people need to repeatedly pressurize for many times, and the generated effect is not obvious at this time; 2. the double-pump hydraulic jack special for the firewood splitting vehicle has the advantage that the jacking height is slightly lower due to the limitation of internal pressure, so that the phenomenon that the required effect cannot be achieved is caused, and therefore the 3T double-pump hydraulic jack is provided.

SUMMERY OF THE UTILITY MODEL

The utility model provides a 3T double pump hydraulic jack aims at carrying out the fuel feeding to flexible room through the double pump, greatly increased the efficiency of fuel feeding and the weight of jack-up object, through superimposed telescopic link, great increase the height of jack-up, made things convenient for user's use.

The utility model provides a specific technical scheme as follows:

the utility model provides a pair of T double pump hydraulic jack, including the oil groove, the welding of oil groove surface top has the shell, flexible room is installed to the shell inner wall, flexible indoor wall cooperation is connected with the telescopic link, oil groove surface mounting has hydraulic chamber and hydraulic chamber to have two, the imbibition room is installed to the hydraulic chamber inner wall, imbibition room surface mounting has high-pressure pipe A, high-pressure pipe A surface mounting has current-limiting pipe and current-limiting pipe two, current-limiting pipe inner wall installation has the current-limiting block, flexible room surface mounting has high-pressure pipe B, high-pressure pipe B surface mounting has the seal valve, T type sealing plug is installed to the imbibition room inner wall.

Optionally, one side of the high-pressure pipe A penetrates through the other side of the oil groove and is connected with the telescopic chamber, and one side of the high-pressure pipe B is connected with the telescopic chamber and the other side of the high-pressure pipe B is connected with the oil groove.

Optionally, the telescopic link comprises telescopic link A, telescopic link B and telescopic link C, and the cross-sectional area is arranged from big to little, telescopic link A, telescopic link B and telescopic link C length are the same.

Optionally, a connecting rod is welded on the surface of the T-shaped sealing plug, a pressing handle is mounted on the surface of the connecting rod, and a limiting bearing is connected to one side, close to the shell, of the pressing handle in a matched and rotating mode.

Optionally, the oil groove, the hydraulic chamber and the housing are all in a sealed state.

The utility model has the advantages as follows:

the embodiment of the utility model provides a 3T double pump hydraulic jack:

1. the basic principle of hydraulic transmission is the Pascal law, that is, the pressure intensity of each part of liquid is consistent, when an object is jacked, the device supplies hydraulic oil by adopting a method of supplying hydraulic oil by double pumps to provide pressure for the telescopic rod, when the hydraulic oil is supplied, the hydraulic handle is pressed, the hydraulic handle starts to press the connecting rod under the rotation of the limit bearing, the connecting rod drives the T-shaped sealing plug to move up and down, when the hydraulic handle is lifted up, the flow limiting block in the flow limiting pipe close to the hydraulic oil groove is driven to move up, the hydraulic oil in the hydraulic oil groove is driven to move up to the liquid suction chamber, when the hydraulic handle is pressed down, the flow limiting block in the flow limiting pipe close to the hydraulic oil groove can be closed due to the action of pressure to prevent the hydraulic oil from flowing back, at the moment, the flow limiting block in the flow limiting pipe on the other side under the action of pressure is jacked, the hydraulic oil can flow into the telescopic chamber under the action of pressure, this is repeated, and at this moment, because the flexible room that will be filled up with that the confession hydraulic oil that the twin pump goes on will be faster like this, just can be faster produce power to the telescopic link, just so work than the jack of single pump is faster, because the twin pump supplies more faster of hydraulic oil, compare single pump jack just more stable and the weight of jack-up is heavier.

2. When flexible indoor portion has been full of hydraulic oil, can be with telescopic link jack-up under the effect of hydraulic oil, at this moment because the telescopic link is by telescopic link A, telescopic link B and telescopic link C constitute, at this moment will increase the height of jack-up, and because telescopic link A, telescopic link B and telescopic link C are the ruggedness under the condition of not atress, do not account for the place completely, greatly reduced the volume of jack, at this moment open the seal valve after finishing using and let the retrieving of hydraulic oil backward flow can realize the telescopic link, let its reconversion, great increase user's convenience.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic view of an internal overall structure of a 3T dual-pump hydraulic jack according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of an entirety of a 3T dual-pump hydraulic jack according to an embodiment of the present invention;

fig. 3 is the utility model discloses a 3T double pump hydraulic jack's structural schematic of telescopic link.

In the figure: 1. an oil sump; 2. a housing; 3. a telescopic chamber; 4. a telescopic rod; 401. a telescopic rod A;

402, telescoping rod B; 403. a telescopic rod C; 5. a sealing valve; 6. a hydraulic chamber; 7. a T-shaped sealing plug; 8. pressing the handle; 9. a high-pressure pipe A; 10. a current limiting pipe; 11. a flow limiting block; 12. an aspiration chamber; 13. a high-pressure pipe B; 14. a connecting rod; 15. and limiting the bearing.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, 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 efforts belong to the protection scope of the present invention.

A 3T dual-pump hydraulic jack according to an embodiment of the present invention will be described in detail with reference to fig. 1 to 3.

Referring to fig. 1-3, the embodiment of the utility model provides a pair of 3T double pump hydraulic jack, including

oil groove

1, 1 welding of surface top of oil groove has shell 2, flexible room 3 is installed to 2 inner walls of shell, 3 inner wall cooperations of flexible room are connected with

telescopic link

4, 1 surface mounting of oil groove has hydraulic chamber 6 and hydraulic chamber 6 to have two, hydraulic chamber 6 inner wall is installed and is inhaled liquid chamber 12, inhale liquid chamber 12 surface mounting has high-pressure pipe A9, high-pressure pipe A9 surface mounting has current-limiting pipe 10 and current-limiting pipe 10 to have two, current-limiting pipe 10 inner wall mounting current-limiting

block

11, 3 surface mounting of flexible room has high-pressure pipe B13, high-pressure pipe B13 surface mounting has seal valve 5, T type sealing plug 7 is installed to 12 inner walls of liquid chamber.

The example, carry out the fuel feeding through the double pump to expansion chamber 3, greatly increased the efficiency of fuel feeding and the weight of jack-up object, through superimposed telescopic link 4, great increase the height of jack-up, made things convenient for user's use.

Referring to fig. 1, one side of the high pressure pipe a9 penetrates through the oil tank 1 and the other side is connected to the expansion chamber 3, and one side of the high pressure pipe B13 is connected to the expansion chamber 3 and the other side is connected to the oil tank 1.

Illustratively, a flowing environment is provided for the hydraulic oil by the connection of the high pressure pipe a9, the oil tank 1 and the expansion chamber 3, and a condition is provided for the backflow of the hydraulic oil by the connection of the high pressure pipe B13 with the expansion chamber 3 on one side and the oil tank 1 on the other side.

Referring to fig. 3, the telescopic rod 4 is composed of a telescopic rod a401, a telescopic rod B402 and a telescopic rod C403, and the cross-sectional areas are arranged from large to small, and the lengths of the telescopic rod a401, the telescopic rod B402 and the telescopic rod C403 are the same.

By way of example, the occupied area is greatly reduced and the jacking length is increased by overlapping the telescopic rods 4.

Referring to fig. 1 and 2, a connecting rod 14 is welded on the surface of the T-shaped sealing plug 7, a pressing handle 8 is installed on the surface of the connecting rod 14, and a limit bearing 15 is connected to one side, close to the housing 2, of the pressing handle 8 in a matching and rotating mode.

By way of example, the limiting bearing 15 is used for limiting the pressing handle 8 and assisting in rotating, the connecting rod 14 is connected with the T-shaped sealing plug 7, one pressing handle 8 can control two T-shaped sealing plugs at the same time, and practicability is greatly improved.

Referring to fig. 1, the oil groove 1, the hydraulic chamber 6, and the housing 2 are all sealed.

For example, the sealing performance is ensured, so that the hydraulic oil in the jack can play a role in force transmission.

When the device is used, the jack is moved to a required position, whether the sealing plug 5 is sealed is checked, after the sealing is determined, the pressure handle 8 is pressed, the pressure handle 8 starts to press the connecting rod 14 under the rotation of the limiting bearing 15, the connecting rod 14 drives the T-shaped sealing plug 7 to start to move up and down, when the pressure handle 8 is lifted up, the flow limiting block 11 close to the flow limiting pipe 10 of the hydraulic oil tank 1 is driven to move up, the hydraulic oil in the hydraulic oil tank 1 is driven to move up to the liquid suction chamber 12, when the pressure handle 8 starts to press down, the flow limiting block 11 in the flow limiting pipe 10 close to the hydraulic oil tank 1 is closed under the action of pressure, the hydraulic oil cannot flow back, at the moment, the flow limiting block 11 in the flow limiting pipe 10 on the other side is jacked up under the action of pressure, the hydraulic oil flows into the telescopic chamber 3 under the action of pressure, the process is repeated, and the telescopic chamber 3 is filled with the hydraulic oil supplied by the double pumps, just can be faster produce power to telescopic link 4, just so work faster than the jack of single pump, simultaneously because the twin pump supplies more faster that hydraulic oil supplied, compare single pump jack just more stable and the weight of jack-up is heavier, when the inside hydraulic oil that has been filled with of expansion chamber 3, can jack-up telescopic link 4 under the effect of hydraulic oil, at this moment because telescopic link 4 comprises telescopic link A401, telescopic link B402 and telescopic link C403, at this moment will increase the height of jack-up, and because telescopic link A401, telescopic link B402 and telescopic link C403 are the folded form under the condition of atress not, do not take up the place completely, the volume of jack greatly reduced, at this moment open sealing valve 5 after finishing using and let the retrieving of telescopic link 4 of hydraulic oil backward flow can be realized, let its reconversion, great increase user's convenience.

It should be noted that the utility model relates to a 3T double-pump hydraulic jack, which comprises a jack body 1 and an oil groove; 2. a housing; 3. a telescopic chamber; 4. a telescopic rod; 401. a telescopic rod A; 402, telescoping rod B; 403. a telescopic rod C; 5. a sealing valve; 6. a hydraulic chamber; 7. a T-shaped sealing plug; 8. pressing the handle; 9. a high-pressure pipe A; 10. a current limiting pipe; 11. a flow limiting block; 12. an aspiration chamber; 13. a high-pressure pipe B; 14. a connecting rod; 15. the limit bearing and the components are all universal standard components or components known by the technicians in the field, and the structure and the principle of the limit bearing can be known by the technicians in the technical manual or by the conventional experimental method.

It is apparent that those skilled in the art can make various changes and modifications to the embodiments of the present invention without departing from the spirit and scope of the embodiments of the present invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. A3T double-pump hydraulic jack comprises an oil tank (1) and is characterized in that the top end of the surface of the oil tank (1) is welded with a shell (2), a telescopic chamber (3) is arranged on the inner wall of the shell (2), a telescopic rod (4) is connected on the inner wall of the telescopic chamber (3) in a matching way, the surface of the oil groove (1) is provided with two hydraulic chambers (6), an imbibing chamber (12) is arranged on the inner wall of the hydraulic chamber (6), a high-pressure pipe A (9) is arranged on the surface of the imbibing chamber (12), the surface of the high-pressure pipe A (9) is provided with two flow-limiting pipes (10), and the number of the flow-limiting pipes (10) is two, the inner wall of the flow limiting pipe (10) is provided with a flow limiting block (11), the surface of the expansion chamber (3) is provided with a high-pressure pipe B (13), the surface of the high-pressure pipe B (13) is provided with a sealing valve (5), and the inner wall of the imbibition chamber (12) is provided with a T-shaped sealing plug (7).

2. A 3T double pump hydraulic jack as claimed in claim 1, wherein the high pressure tube a (9) is connected to the telescoping chamber (3) on one side through the oil sump (1) and to the telescoping chamber (3) on the other side, and the high pressure tube B (13) is connected to the oil sump (1) on one side and to the telescoping chamber (3) on the other side.

3. The 3T double-pump hydraulic jack as claimed in claim 1, wherein the telescopic rod (4) is composed of a telescopic rod A (401), a telescopic rod B (402) and a telescopic rod C (403), the cross-sectional areas are arranged from large to small, and the lengths of the telescopic rod A (401), the telescopic rod B (402) and the telescopic rod C (403) are the same.

4. A3T double-pump hydraulic jack as claimed in claim 1, wherein a connecting rod (14) is welded to the surface of the T-shaped sealing plug (7), a pressing handle (8) is mounted on the surface of the connecting rod (14), and a limit bearing (15) is connected to one side, close to the shell (2), of the pressing handle (8) in a matched and rotating mode.

5. A 3T dual pump hydraulic jack as claimed in claim 1 wherein the oil sump (1), hydraulic chamber (6) and housing (2) are all sealed.