CN209943246U - Electro-hydraulic push rod - Google Patents
Electro-hydraulic push rod Download PDFInfo
- Publication number
- CN209943246U CN209943246U CN201920474134.5U CN201920474134U CN209943246U CN 209943246 U CN209943246 U CN 209943246U CN 201920474134 U CN201920474134 U CN 201920474134U CN 209943246 U CN209943246 U CN 209943246U
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- cylinder
- oil
- push rod
- gear pump
- hydraulic push
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- Expired - Fee Related
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Abstract
The utility model is suitable for the technical field of mechanical accessory application, in particular to an electro-hydraulic push rod, which comprises a motor, a shaft coupling, a bidirectional gear pump, an oil cylinder and a guide sleeve, wherein the electro-hydraulic push rod is in-line type, the motor is arranged at the foremost end of the electro-hydraulic push rod, the motor is connected with the shaft coupling, the upper end and the lower end of the shaft coupling are provided with a pump seat, the shaft coupling is connected with the bidirectional gear pump, the lower part of the bidirectional gear pump is provided with an oil suction filter, the oil tank is provided with a panel, the panel is provided with an air filter, the oil cylinder is connected with the rear cover of the oil tank, the oil cylinder is provided with a piston rod and a cylinder barrel, the guide sleeve is connected between the cylinder barrel and the piston rod, the bottom of, meanwhile, the sealing performance is good, and the hydraulic oil is not easy to be polluted.
Description
Technical Field
The utility model discloses it relates to hydraulic pressure impeller technical field, concretely relates to electricity liquid push rod technical field to fit.
Background
The electro-hydraulic push rod is a hydraulic drive manipulator integrating machine, electricity and liquid into a whole, is suitable for the reciprocating linear motion (or reciprocating a certain angle) and can also be used in places needing to ascend, descend or clamp workpieces, can realize the centralized or automatic control of remote dangerous areas, is used for program control together with a computer, and is widely applied to industries such as metallurgy, mines, coal, grain, electric power and the like.
Among the prior art, the structure of general electric liquid push rod is complicated, and is bulky, need follow oil filler hole department connecting tube during the assembly, and the operation is inconvenient for the space is little, and dust causes the pneumatic cylinder to normally work in the air easily entering into hydraulic oil simultaneously in the air.
In the prior art, for example, the utility model with patent number cn201520828210.x discloses an electro-hydraulic push rod convenient for pressure adjustment, which comprises a fork, an oil storage tank, a motor arranged at one end of the oil storage tank, an oil cylinder arranged at the other end of the oil storage tank, a piston arranged in the oil cylinder, a piston push rod fixedly connected with the piston, and a working end of the piston push rod extending out of the oil cylinder and fixedly connected with the fork; the motor is connected with the oil pump in a transmission way, the oil pump is communicated with the oil circuit integrated block valve body through an oil pipe, and the oil circuit integrated block valve body is communicated with the oil cylinder through the oil pipe; the overflow valve screw rod through hole has been seted up on the oil filler hole lid, and the overflow valve screw rod outwards passes overflow valve screw rod through hole and extends the oil filler hole lid, and threaded connection has the cap of piecing together on the outer overflow valve screw rod of batch oil tank, and this utility model adopts the in-line arrangement design, adopts the oil circuit integrated valve to control the gyration of hydraulic oil, is connected oil circuit integrated valve and hydro-cylinder, and the integral connection mode is comparatively troublesome, is unfavorable for dismantling.
SUMMERY OF THE UTILITY MODEL
In order to overcome among the prior art oil circuit connection and dismantle inconvenient, dustproof effect subalternation problem simultaneously, the utility model provides a dismantle convenient, a difficult electric liquid push rod that pollutes of oil circuit when the leakproofness is good.
The utility model provides a technical scheme that its technical problem adopted is: an electro-hydraulic push rod comprises a motor, a coupler, a bidirectional gear pump, an oil cylinder and a guide sleeve, wherein the electro-hydraulic push rod is in an in-line type, the motor is arranged at the foremost end of the electro-hydraulic push rod and is connected with the coupler, pump seats are arranged at the upper end and the lower end of the coupler, the coupler is connected with the bidirectional gear pump, an oil suction filter is arranged at the lower part of the bidirectional gear pump, the coupler, the pump seats and the bidirectional gear pump are all arranged in an oil tank, the motor is fixed on the shell of the oil tank, and the motor is fixed through an inner; the oil tank upper portion is provided with the panel, be provided with air cleaner on the panel, cover behind the oil tank and be connected with the hydro-cylinder, there are piston rod and cylinder in the hydro-cylinder, be connected with the uide bushing between cylinder and the piston rod, the hydro-cylinder bottom is provided with the cylinder flange, the hydro-cylinder outside is provided with the connector.
The electro-hydraulic push rod is characterized in that a shaped ring is arranged between the bidirectional gear pump and the coupler, and the bidirectional gear pump and the coupler are fixed through the hexagon socket head screws.
According to the electro-hydraulic push rod, the oil cylinder is internally provided with the oil pipe, the oil pipe is arranged between the outer cylinder and the cylinder barrel, the tail end of the oil pipe is communicated with the cylinder barrel, and the part of the oil pipe communicated with the cylinder barrel is the inner side of the guide sleeve.
According to the electro-hydraulic push rod, the joint of the oil pipe and the oil cylinder is respectively connected with the welded type end straight-through pipe joint, the welded type end straight-through pipe joint extends out of the inner surface of the rear cover, the welded type end straight-through pipe joint is connected with the oil path integrated valve through the rubber pipe, and the oil path integrated valve is connected with the bidirectional gear pump through the rubber pipe.
Preferably, the oil circuit integrated valve comprises a valve block, a hydraulic control one-way valve is arranged on the valve block, a throttle valve and an overflow valve are connected above the valve block, a one-way valve is connected below the valve block, and a pressure measuring joint is arranged on the valve block.
According to the electro-hydraulic push rod, the piston rod is arranged on the lower portion of the cylinder barrel, the piston is arranged at the end portion of the piston rod, and the T-shaped support ring is arranged between the piston and the cylinder barrel.
According to the electro-hydraulic push rod, the oil suction filter is connected with the bidirectional gear pump through the welded end through pipe joint.
The cylinder barrel and the piston rod are respectively connected to the upper section and the lower section of the guide sleeve, the clamping key and the retaining ring are sequentially arranged at the joint of the guide sleeve and the cylinder barrel towards the cylinder bottom direction, the clamping key is connected with the retaining ring, and the support ring, the shaft ring and the dust ring are sequentially arranged at the joint of the guide sleeve and the piston rod towards the cylinder bottom direction.
The beneficial effects of the utility model are that, adopt built-in oil pipe in the hydro-cylinder, oil pipe and hydro-cylinder are connected with the direct coupling of welded end simultaneously, and the direct coupling of welded end stretches out the back lid internal surface, forms the return circuit through rubber tube and two-way gear pump, not only makes things convenient for inside dismantlement, and simple structure is light simultaneously, sets up air cleaner and oil absorption filter and can improve the cleanliness of hydraulic oil in the oil pipe return circuit to prevent influencing the hydro-cylinder work.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the M direction of the present invention.
Fig. 3 is a partial enlarged view of part a of the present invention.
Fig. 4 is a partial enlarged view of part B of the present invention.
In the figure, 1 is a motor, 2 is a pump base, 3 is a coupler, 4 is an oil tank, 5 is a ring, 6 is a bidirectional gear pump, 7 is a panel, 8 is a welded end through pipe joint, 9 is an air filter, 10 is an oil suction filter, 11 is a rear cover, 12 is a T-shaped support ring, 13 is a piston, 14 is an outer cylinder, 15 is a piston rod, 16 is an oil pipe, 17 is a cylinder barrel, 18 is a support ring, 19 is a guide sleeve, 20 is a cylinder barrel flange, 21 is a shaft ring, 22 is a clamping key, 23 is a retaining ring, 24 is a dust ring, 25 is a connector, 26 is an elastic cushion, and 27 is an internal hexagonal stud screw.
Detailed Description
The utility model is further explained with reference to the accompanying drawings, as shown in fig. 1-4, the electric-hydraulic push rod comprises a motor 1, a coupler 3, a bidirectional gear pump 6, an oil cylinder and a guide sleeve 19, wherein the electric-hydraulic push rod is in an in-line type, the motor 1 is arranged at the foremost end of the electric-hydraulic push rod, the motor 1 is connected with the coupler 3, a pump seat 2 is arranged at the upper end and the lower end of the coupler 3, the coupler 3 is connected with the bidirectional gear pump 6, an oil suction filter 10 is arranged at the lower part of the bidirectional gear pump 6, the oil suction filter 10 is connected with the bidirectional gear pump 6 through a welding type end through pipe joint 8, the coupler 3, the pump seat 2 and the bidirectional gear pump 6 are all arranged in the oil tank, the motor 1 is fixed on the shell; oil tank upper portion is provided with panel 7, be provided with air cleaner 8 on the panel 7, be connected with the hydro-cylinder behind the oil tank on the lid 11, as shown in fig. 2 the utility model discloses M is to the schematic diagram, the hydro-cylinder is connected behind the oil tank on lid 11, and lid 11 is fixed through interior hexagonal stud 27 behind hydro-cylinder and the oil tank, be provided with bullet pad 26 behind interior hexagonal stud 27 and the oil tank between the lid 11, there are piston rod 15 and cylinder 17 in the hydro-cylinder, be connected with uide bushing 19 between cylinder 17 and the piston rod 15, the hydro-cylinder bottom is provided with cylinder flange 20, the hydro-cylinder outside is provided with connector 25.
Wherein be provided with between two-way gear pump 6 and the shaft coupling 3 and have tangible circle 5, it is fixed through hexagon socket head cap screw between two-way gear pump 6 and the shaft coupling 3, add the surface that can laminate of shape circle 5 for two-way gear pump 6 is better with the 3 leakproofness of shaft coupling.
The oil cylinder is internally provided with an oil pipe 16, the oil pipe 16 is arranged between the outer cylinder 14 and the cylinder 17, the oil pipe 16 is communicated with the tail 17 of the cylinder, the communicated part of the oil pipe 16 and the cylinder 17 is the inner side of the guide sleeve 19, the oil pipe 16 and the joint of the oil cylinder are respectively connected with a welding type end straight-through pipe joint 8, the welding type end straight-through pipe joint 8 extends out of the inner surface of the rear cover 11, the welding type end straight-through pipe joint 8 is connected with an oil way integrated valve through a rubber pipe, and the oil way integrated valve is connected with the bidirectional gear pump 6 through.
When the device works, the motor 1 drives the coupler 3, the coupler 3 drives the bidirectional gear pump 6 to suck hydraulic oil from the oil tank 4, the hydraulic oil is conveyed to the oil pipe 16 and the oil cylinder through the oil way integration valve, and pressure difference is generated at the front part and the rear part of the oil cylinder to drive the piston rod 15 to move.
The piston rod 15 is arranged on the lower portion of the cylinder barrel 17, the end portion of the piston rod 15 is provided with a piston 13, a T-shaped support ring 12 is arranged between the piston 13 and the cylinder barrel 17, a guide sleeve 19 is arranged between the cylinder barrel 17 and the piston rod 15, a clamping key 22 and a blocking ring 23 are sequentially arranged at the joint of the guide sleeve 19 and the cylinder barrel 17 in the direction of the cylinder bottom, the clamping key 22 is connected with the blocking ring 23, a support ring 18, a shaft ring 21 and a dust ring 24 are sequentially arranged at the joint of the guide sleeve 19 and the piston rod 15 in the direction of the cylinder bottom, and the blocking ring 23 and the dust ring 24 are arranged at the joint of the guide sleeve 19, the cylinder barrel 17 and the piston rod 15 to guarantee overall sealing.
The above description is for the electric liquid push rod according to the present invention, and the detailed description is not to limit the scope of the present invention, and the various modifications and improvements made by those skilled in the art according to the technical solution of the present invention should be considered as the protection scope of the present invention without departing from the concept of the present invention.
Claims (6)
1. The utility model provides an electricity liquid push rod, includes the motor, the shaft coupling, two-way gear pump, hydro-cylinder and uide bushing, its characterized in that: the electric hydraulic push rod is in an in-line type, the motor is arranged at the foremost end of the electric hydraulic push rod and is connected with the coupler, the upper end and the lower end of the coupler are provided with the pump bases, the coupler is connected with the bidirectional gear pump, the lower part of the bidirectional gear pump is provided with the oil suction filter, the coupler, the pump bases and the bidirectional gear pump are all arranged in the oil tank, the motor is fixed on the shell of the oil tank, and the motor is fixed through the hexagon socket head stud screw; the oil tank upper portion is provided with the panel, be provided with air cleaner on the panel, cover behind the oil tank and be connected with the hydro-cylinder, there are piston rod and cylinder in the hydro-cylinder, be connected with the uide bushing between cylinder and the piston rod, the hydro-cylinder bottom is provided with the cylinder flange, the hydro-cylinder outside is provided with the connector.
2. The electro-hydraulic push rod of claim 1, wherein: a shaped ring is arranged between the bidirectional gear pump and the coupler, and the bidirectional gear pump and the coupler are fixed through hexagon socket head screws.
3. The electro-hydraulic push rod of claim 1, wherein: an oil pipe is arranged in the oil cylinder, the oil pipe is arranged between the outer cylinder and the cylinder barrel, the tail end of the oil pipe is communicated with the cylinder barrel, and the part of the oil pipe communicated with the cylinder barrel is the inner side of the guide sleeve.
4. The electro-hydraulic push rod of claim 1, wherein: the piston rod is arranged on the lower portion of the cylinder barrel, a piston is arranged at the end of the piston rod, and a T-shaped support ring is arranged between the piston and the cylinder barrel.
5. The electro-hydraulic push rod of claim 1, wherein: the oil suction filter is connected with the bidirectional gear pump through a welded end straight-through pipe joint.
6. The electro-hydraulic push rod of claim 1, wherein: the upper and lower sections of the guide sleeve are respectively connected with the cylinder barrel and the piston rod, a clamping key and a retaining ring are sequentially arranged at the joint of the guide sleeve and the cylinder barrel towards the cylinder bottom direction, the clamping key is connected with the retaining ring, and a support ring, a shaft ring and a dust ring are sequentially arranged at the joint of the guide sleeve and the piston rod towards the cylinder bottom direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920474134.5U CN209943246U (en) | 2019-04-10 | 2019-04-10 | Electro-hydraulic push rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920474134.5U CN209943246U (en) | 2019-04-10 | 2019-04-10 | Electro-hydraulic push rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209943246U true CN209943246U (en) | 2020-01-14 |
Family
ID=69127188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920474134.5U Expired - Fee Related CN209943246U (en) | 2019-04-10 | 2019-04-10 | Electro-hydraulic push rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209943246U (en) |
-
2019
- 2019-04-10 CN CN201920474134.5U patent/CN209943246U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200114 |