CN210236970U - Hydraulic jack convenient for adding oil - Google Patents
Hydraulic jack convenient for adding oil Download PDFInfo
- Publication number
- CN210236970U CN210236970U CN201920974822.8U CN201920974822U CN210236970U CN 210236970 U CN210236970 U CN 210236970U CN 201920974822 U CN201920974822 U CN 201920974822U CN 210236970 U CN210236970 U CN 210236970U
- Authority
- CN
- China
- Prior art keywords
- hydraulic cylinder
- oil
- piston rod
- toughened glass
- oil tank
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 239000005341 toughened glass Substances 0.000 claims abstract description 28
- 239000012530 fluid Substances 0.000 claims abstract description 17
- 238000007789 sealing Methods 0.000 claims abstract description 17
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 4
- 239000010962 carbon steel Substances 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims 1
- 230000001681 protective effect Effects 0.000 description 11
- 239000000498 cooling water Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000017525 heat dissipation Effects 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
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Abstract
The utility model discloses a hydraulic jack convenient for adding oil, which comprises a first hydraulic cylinder and a second hydraulic cylinder, wherein a first piston rod penetrates through the first hydraulic cylinder, a top plate is horizontally fixed at the upper end of the first piston rod, an oil pump is arranged in the middle of the bottom of the first hydraulic cylinder, the left lower corner of the bottom of the first hydraulic cylinder is provided with an electromagnetic valve, the right lower corner of the bottom of the first hydraulic cylinder is provided with a one-way oil drain valve, the second hydraulic cylinder is arranged at the right upper corner of the one-way oil drain valve, and the outer side of the second hydraulic cylinder is provided with a shell, the right lower corner of the bottom of the second hydraulic cylinder is provided with a one-way oil suction valve, an oil tank is connected below the one-way oil suction valve, laser correlation sensors are symmetrically arranged on the inner wall of the first hydraulic cylinder, a toughened glass tube is installed at the upper right corner of the oil tank, and a sealing plug is connected to the outer side of the upper end of the toughened glass tube. This fluid pressure type jack is convenient for in time add fluid to can effectively prevent the damage of second piston rod.
Description
Technical Field
The utility model relates to a hoisting accessory technical field specifically is a fluid pressure type jack convenient to add fluid.
Background
The hydraulic jack adopts a plunger or a hydraulic cylinder as a rigid jacking piece, has the characteristics of compact structure, stable work, large jacking force, self-locking and the like, and has strong jacking capacity, and the jacking force of the heavy hydraulic jack exceeds 100 t.
The friction of a small piston of a hydraulic jack on the market is severe in the using process, the heat dissipation is poor, the hydraulic jack is easy to damage, meanwhile, the oil liquid amount in an oil tank is difficult to observe, and oil liquid is difficult to supplement in time.
Disclosure of Invention
An object of the utility model is to provide a fluid pressure type jack convenient to add fluid to solve the fluid pressure type jack on the present market that proposes in the above-mentioned background art and friction of little piston in the use acutely, the heat dissipation is not good, damages easily, and the inside oil solution volume of oil tank is difficult for observing simultaneously, is difficult to in time supply fluid, and present fluid pressure type jack is not convenient for set up protection machanism in addition, leads to the excessive problem of hydraulic pressure easily.
In order to achieve the above object, the utility model provides a following technical scheme: a hydraulic jack convenient for adding oil comprises a first hydraulic cylinder and a second hydraulic cylinder, wherein a first piston rod penetrates through the first hydraulic cylinder, a top plate is horizontally fixed at the upper end of the first piston rod, an oil pump is installed at the middle position of the bottom of the first hydraulic cylinder, an electromagnetic valve is arranged at the lower left corner of the bottom of the first hydraulic cylinder, a one-way oil discharge valve is installed at the lower right corner of the bottom of the first hydraulic cylinder, a second hydraulic cylinder is arranged at the upper right corner of the one-way oil discharge valve, a shell is installed on the outer side of the second hydraulic cylinder, a second piston rod penetrates through the second hydraulic cylinder, an operating rod is hinged to the top end of the second piston rod, a one-way oil suction valve is installed at the lower right corner of the bottom of the second hydraulic cylinder, an oil tank is connected below the one-way oil suction valve, a storage battery pack is fixed on the left, laser correlation sensor is installed to the inner wall symmetry of first pneumatic cylinder, the outer wall symmetry of shell is provided with the connecting pipe, the toughened glass pipe is installed in the upper right corner of oil tank, and the upper end outside of toughened glass pipe is connected with the sealing plug.
Preferably, the upper surface of the top plate is connected with a protective pad, and the protective pad is made of rubber.
Preferably, the structure of the shell is a double-layer hollow structure, and the interior of the shell is communicated with the connecting pipe.
Preferably, the oil tank is made of carbon steel, and the bottom surface of the oil tank is provided with anti-skid grains.
Preferably, the controller is electrically connected with the electromagnetic valve through a wire, and the first hydraulic cylinder forms a communication structure with the oil tank through the electromagnetic valve.
Preferably, the outer surface of the toughened glass tube is provided with scale marks, the outer wall of the upper end of the toughened glass tube and the inner wall of the sealing plug are both provided with threads, and the sizes of the threads between the toughened glass tube and the sealing plug are identical.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the protective pad arranged on the hydraulic jack convenient for adding the oil can be separated between the top plate and the heavy object, so that the top plate is favorably prevented from directly contacting the heavy object, the damage of the jack to the contact surface of the heavy object is avoided, and the toughened glass tube and the sealing plug are arranged to be conveniently opened, so that the oil can be timely supplemented by a worker;
2. the cooling water is injected into the shell, so that the second hydraulic cylinder and the second piston rod are helped to dissipate heat, the abrasion of the second piston rod in the working process is reduced, the service life of the second piston rod is prolonged, the oil tank is good in supporting capacity, meanwhile, the oil tank can effectively prevent skidding, and the supporting stability of the whole device is enhanced;
3. set up laser correlation sensor and controller and mutually support and can effectively avoid first piston rod hydraulic pressure excessive, and lead to the holding power of whole device not enough, be favorable to improving the security performance of whole jack, whole device can adopt manual and electronic dual mode to carry out the hydraulic pressure and go up and down in addition, has strengthened the practicality of whole jack greatly.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of a second hydraulic cylinder according to the present invention;
fig. 3 is a schematic view of a part of an enlarged structure at a in fig. 1 according to the present invention.
In the figure: 1. a first hydraulic cylinder; 2. a first piston rod; 3. a top plate; 4. an oil pump; 5. an electromagnetic valve; 6. a one-way oil drain valve; 7. a second hydraulic cylinder; 8. a second piston rod; 9. a joystick; 10. a housing; 11. a one-way oil suction valve; 12. an oil tank; 13. a battery pack; 14. a controller; 15. a laser correlation sensor; 16. a connecting pipe; 17. tempering the glass tube; 18. a sealing plug; 19. a protective pad.
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. 1-3, the present invention provides a technical solution: a hydraulic jack convenient for adding oil comprises a first hydraulic cylinder 1, a first piston rod 2, a top plate 3, an oil pump 4, an electromagnetic valve 5, a one-way oil discharge valve 6, a second hydraulic cylinder 7, a second piston rod 8, an operating rod 9, a shell 10, a one-way oil suction valve 11, an oil tank 12, a storage battery pack 13, a controller 14, a laser correlation sensor 15, a connecting pipe 16, a toughened glass pipe 17, a sealing plug 18 and a protective pad 19, wherein the first piston rod 2 penetrates through the first hydraulic cylinder 1, the top end of the first piston rod 2 is horizontally fixed with the top plate 3, the oil pump 4 is installed in the middle of the bottom of the first hydraulic cylinder 1, the electromagnetic valve 5 is arranged at the lower left corner of the bottom of the first hydraulic cylinder 1, the one-way oil discharge valve 6 is installed at the right corner of the bottom of the first hydraulic cylinder 1, the second hydraulic cylinder 7 is arranged at the upper right corner of the one-, a second piston rod 8 penetrates through the second hydraulic cylinder 7, an operating lever 9 is hinged to the top end of the second piston rod 8, a one-way oil suction valve 11 is installed at the bottom right lower corner of the second hydraulic cylinder 7, an oil tank 12 is connected below the one-way oil suction valve 11, the oil tank 12 is made of carbon steel, anti-skid grains are formed in the bottom surface of the oil tank 12, and the oil tank 12 is made of carbon steel with high hardness, so that the oil tank 12 has good supporting capacity, meanwhile, grains with V-shaped cross sections are formed in the bottom of the oil tank 12, the roughness of the bottom surface of the oil tank 12 is favorably improved, the anti-skid capacity of the oil tank 12 is improved, and the supporting stability of the whole device is further improved;
a storage battery pack 13 is fixed on the left side of the oil tank 12, a controller 14 is arranged at the upper right corner of the storage battery pack 13, laser correlation sensors 15 are symmetrically installed on the inner wall of the first hydraulic cylinder 1, the controller 14 is electrically connected with the electromagnetic valve 5 through a wire, the first hydraulic cylinder 1 forms a communication structure with the oil tank 12 through the electromagnetic valve 5, the laser correlation sensors 15 are arranged at the highest limit position where the first piston rod 2 in the first hydraulic cylinder 1 rises, and the laser correlation sensors 15 and the controller 14 are matched with each other to control the opening and closing of the electromagnetic valve 5, so that the situation that the hydraulic pressure of the first piston rod 2 is excessive and the supporting force of the whole device is insufficient is effectively avoided, the safety performance of the whole jack is improved, connecting pipes 16 are symmetrically arranged on the outer wall of the shell 10, the structure of the shell 10 is a double-layer hollow structure, and the interior, the shell 10 is hollow and communicated with the connecting pipe 16, so that cooling water can be injected into the shell 10 through the connecting pipe 16, heat dissipation of the second hydraulic cylinder 7 and the second piston rod 8 is facilitated, abrasion of the second piston rod 8 in the working process is reduced, and the service life of the second piston rod 8 is prolonged;
the toughened glass tube 17 is installed at the upper right corner of the oil tank 12, the sealing plug 18 is connected to the outer side of the upper end of the toughened glass tube 17, scale marks are arranged on the outer surface of the toughened glass tube 17, threads are formed in the outer wall of the upper end of the toughened glass tube 17 and the inner wall of the sealing plug 18, the thread size between the toughened glass tube 17 and the sealing plug 18 is identical, the toughened glass tube 17 is transparent and is marked with scales, therefore, the amount of oil in the oil tank 12 can be observed through the toughened glass tube 17, workers can supplement the oil in time, meanwhile, the toughened glass tube 17 and the sealing plug 18 are connected through the thread effect, the toughened glass tube 17 is convenient to open, the workers can add the oil into the oil tank 12, the upper surface of the top plate 3 is connected with a protective pad 19, the protective pad 19 is made of rubber, and the top plate 3 is wrapped with the protective, and protection pad 19 is formed by the rubber material, and not only the surface is smooth, and is more soft simultaneously, when whole device carries out hydraulic jack-up heavy object, protection pad 19 can separate between roof 3 and heavy object, is favorable to avoiding roof 3 direct contact heavy object to avoid the jack to cause the damage to the contact surface of heavy object.
The working principle is as follows: for the hydraulic jack convenient for adding oil, firstly, the whole device is placed on a flat ground and positioned below a heavy object to be lifted, the bottom of the oil tank 12 is in contact with the ground, the storage battery pack 13 supplies power to the whole jack, then the connecting pipe 16 is connected with an external water pipe, cooling water is conveyed to the inside of the connecting pipe 16 through the external water pipe, the connecting pipe 16 conveys the cooling water to the inside of the shell 10 and is tightly attached to the outer wall of the second hydraulic cylinder 7, and the one-way oil discharge valve 6 and the one-way oil suction valve 11 are all one-way valves with the models of FG-678, but the installation directions are different;
then the jack is manually operated to jack up the heavy object, the operating lever 9 is lifted upwards firstly, the operating lever 9 drives the second piston rod 8 to move upwards in the second hydraulic cylinder 7, at the moment, the pressure below the second piston rod 8 is reduced, the oil in the oil tank 12 flows into the second hydraulic cylinder 7 through the one-way oil suction valve 11, then the operating lever 9 is pressed downwards, the operating lever 9 drives the second piston rod 8 to move downwards to compress the oil in the second hydraulic cylinder 7, so that the oil enters the first hydraulic cylinder 1 through the one-way oil discharge valve 6, at the moment, the pressure below the first piston rod 2 in the first hydraulic cylinder 1 is increased to push the first piston rod 2 to move upwards, the first piston rod 2 drives the top plate 3 and the protective pad 19 to move upwards, the operating lever 9 is repeatedly compressed upwards and downwards for a plurality of times until the top plate 3 and the protective pad 19 contact the heavy object, and the jacking, AT the moment, the protective pad 19 is separated between the top plate 3 and the weight, when the first piston rod 2 rises to the position of the laser correlation sensor 15 with the model of PM-T, the laser correlation sensor 15 is shielded, so that the laser correlation sensors 15 cannot receive information, AT the moment, the laser correlation sensor 15 transmits the information to the controller 14 with the model of AT89C52, the controller 14 analyzes and processes the information, and simultaneously controls the electromagnetic valve 5 with the model of DQF1-6A to be opened, and AT the moment, oil in the second hydraulic cylinder 7 flows back to the inside of the oil tank 12 through the electromagnetic valve 5;
when needs electric control jack-up heavy object, only need start oil pump 4, the promotion of first piston rod 2 can be accomplished inside the oil pump 4 work is carried into second pneumatic cylinder 7 with the inside fluid of oil tank 12, observe toughened glass pipe 17, can know the inside fluid content of oil tank 12 through the scale mark on toughened glass pipe 17, when fluid is not enough to need the replenishment, twist earlier sealing plug 18, take place the screw thread effect between sealing plug 18 and the toughened glass pipe 17, can open the upper end opening of toughened glass pipe 17, from the upper end opening of toughened glass pipe 17 to the inside injection sealing plug fluid of oil tank 12, then close again 18 can, just so accomplish the whole use of being convenient for add the fluid pressure type jack of fluid.
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 (6)
1. The utility model provides a fluid pressure type jack convenient to add fluid, includes first pneumatic cylinder (1) and second pneumatic cylinder (7), its characterized in that: the oil-gas separation device is characterized in that a first piston rod (2) penetrates through the first hydraulic cylinder (1), a top plate (3) is horizontally fixed at the upper end of the first piston rod (2), an oil pump (4) is installed at the middle position of the bottom of the first hydraulic cylinder (1), an electromagnetic valve (5) is arranged at the lower left corner of the bottom of the first hydraulic cylinder (1), a one-way oil discharge valve (6) is installed at the lower right corner of the bottom of the first hydraulic cylinder (1), a second hydraulic cylinder (7) is arranged at the upper right corner of the one-way oil discharge valve (6), a shell (10) is installed on the outer side of the second hydraulic cylinder (7), a second piston rod (8) penetrates through the second hydraulic cylinder (7), an operating rod (9) is hinged to the top end of the second piston rod (8), a one-way oil suction valve (11) is installed at the lower right corner of the bottom of the second hydraulic cylinder (7), and an, the left side of oil tank (12) is fixed with storage battery (13), and the upper right corner of storage battery (13) is provided with controller (14), laser correlation sensor (15) are installed to the inner wall symmetry of first pneumatic cylinder (1), the outer wall symmetry of shell (10) is provided with connecting pipe (16), toughened glass pipe (17) is installed in the upper right corner of oil tank (12), and the upper end outside of toughened glass pipe (17) is connected with sealing plug (18).
2. The hydraulic jack convenient for adding oil as claimed in claim 1, wherein: the upper surface of roof (3) is connected with protection pad (19), and the material of protection pad (19) is the rubber material.
3. The hydraulic jack convenient for adding oil as claimed in claim 1, wherein: the shell (10) is of a double-layer hollow structure, and the interior of the shell (10) is communicated with the connecting pipe (16).
4. The hydraulic jack convenient for adding oil as claimed in claim 1, wherein: the oil tank (12) is made of carbon steel, and the bottom surface of the oil tank (12) is provided with anti-skid grains.
5. The hydraulic jack convenient for adding oil as claimed in claim 1, wherein: the controller (14) is electrically connected with the electromagnetic valve (5) through a lead, and the first hydraulic cylinder (1) forms a communication structure with the oil tank (12) through the electromagnetic valve (5).
6. The hydraulic jack convenient for adding oil as claimed in claim 1, wherein: the outer surface of the toughened glass tube (17) is provided with scale marks, the outer wall of the upper end of the toughened glass tube (17) and the inner wall of the sealing plug (18) are both provided with threads, and the sizes of the threads between the toughened glass tube (17) and the sealing plug (18) are identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920974822.8U CN210236970U (en) | 2019-06-26 | 2019-06-26 | Hydraulic jack convenient for adding oil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920974822.8U CN210236970U (en) | 2019-06-26 | 2019-06-26 | Hydraulic jack convenient for adding oil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210236970U true CN210236970U (en) | 2020-04-03 |
Family
ID=69988167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920974822.8U Expired - Fee Related CN210236970U (en) | 2019-06-26 | 2019-06-26 | Hydraulic jack convenient for adding oil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210236970U (en) |
-
2019
- 2019-06-26 CN CN201920974822.8U patent/CN210236970U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200403 |
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| CF01 | Termination of patent right due to non-payment of annual fee |