CN216589083U - Integrated electric pump for carrier - Google Patents
Integrated electric pump for carrier Download PDFInfo
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- CN216589083U CN216589083U CN202123451698.3U CN202123451698U CN216589083U CN 216589083 U CN216589083 U CN 216589083U CN 202123451698 U CN202123451698 U CN 202123451698U CN 216589083 U CN216589083 U CN 216589083U
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Abstract
The utility model relates to an integrated electric pump for carrier, which comprises a motor, connect the gear pump of motor and establish the cylinder body seat of oil circuit in with, the side of cylinder body seat is equipped with oil pump oil-out and oil pump oil absorption mouth, be equipped with the solenoid valve on the cylinder body seat, the inside of cylinder body seat is equipped with oil inlet pipeline and oil outlet pipeline, oil inlet pipeline connects oil pump oil-out and solenoid valve, oil outlet pipeline connects oil pump oil absorption mouth and solenoid valve, the gear pump is located the side of cylinder body seat and is equipped with the interface that corresponds intercommunication oil pump oil-out and oil pump oil absorption mouth, be equipped with the piston cylinder with oil inlet pipeline intercommunication on the cylinder body seat, be equipped with the lift piston in the piston cylinder, the piston cylinder periphery is equipped with the oil storage tank with oil outlet pipeline intercommunication. The utility model discloses do not need external oil pipe to connect, can realize the high integration of power pack and hydro-cylinder.
Description
Technical Field
The utility model belongs to the technical field of the carrier, concretely relates to an integrated electric pump for carrier.
Background
The carrier is a logistics carrying device which plays a role in carrying goods. When the pallet truck is used in a carrying station, the pallet fork carried by the pallet truck is inserted into the pallet hole, the lifting and descending of pallet goods are realized by a manual driving hydraulic system, and carrying operation is completed by manual pulling, so that the pallet truck is the most convenient, most effective and most common loading, unloading and carrying tool in the pallet transport tool of the carrying station.
The control structure of carrier among the prior art contains motor, gear pump and hydro-cylinder etc. usually, like the hydraulic pressure lift electric pump that CN213598309U disclosed, including cylinder body seat, lift jar, piston rod, motor and gear pump to realize the tube coupling of oil feed and oil production respectively through first oil pipe and second oil pipe, but this kind of connection structure installation is troublesome, increases whole volume moreover.
Disclosure of Invention
An object of the utility model is to provide an integrated electric pump for carrier, the utility model discloses do not need external oil pipe to connect, can realize the high integration of power pack and hydro-cylinder.
For solving the technical problem, the technical proposal of the utility model is that: the utility model provides an integrated electric pump for carrier, which comprises a motor, connect the gear pump of motor and establish the cylinder body seat of oil circuit in with, the side of cylinder body seat is equipped with oil pump oil-out and oil pump oil absorption mouth, be equipped with the solenoid valve on the cylinder body seat, the inside of cylinder body seat is equipped with oil feed pipeline and oil outlet pipeline, oil feed pipeline connects oil pump oil-out and solenoid valve, oil pump oil absorption mouth and solenoid valve are connected to the oil outlet pipeline, the gear pump is located the side of cylinder body seat and is equipped with the interface that corresponds intercommunication oil pump oil-out and oil pump oil absorption mouth, be equipped with the piston cylinder with oil feed pipeline intercommunication on the cylinder body seat, be equipped with the lift piston in the piston cylinder, the piston cylinder periphery is equipped with the oil storage tank with oil outlet pipeline intercommunication.
Preferably, the cylinder body seat is provided with an electromagnetic valve circuit board, and the oil inlet pipeline, the electromagnetic valve and the oil outlet pipeline are sequentially communicated through the electromagnetic valve circuit board. The control oil circuit is communicated through the electromagnetic valve circuit board to replace the connection of dispersed oil pipes, so that the maintenance is convenient; when the goods on the fork needs to be controlled to descend, the electromagnetic valve is opened to guide the oil outlet pipeline, hydraulic oil in the piston cylinder flows out, the lifting piston connected with the fork descends, and the goods move downwards.
Preferably, an overflow valve for adjusting oil pressure is communicated with the oil inlet pipeline close to the electromagnetic valve, and the side edge of the overflow valve is communicated with the oil outlet pipeline. This setting is used for adjusting the oil pressure of solenoid valve oil feed department, helps the off-load when the oil pressure is greater than the setting value.
Preferably, the overflow valve comprises an adjusting oil plug, a pressure adjusting spring, a steel ball seat and a steel ball which are sequentially arranged, the adjusting oil plug is arranged on the side edge of the cylinder body seat, and the steel ball is used for movably opening and closing a connecting channel of the oil inlet pipeline and the oil outlet pipeline. The oil pressure set value can be adjusted by adjusting the position of the adjusting oil plug to change the elasticity of the pressure adjusting spring.
Preferably, the oil outlet line is connected to a pressure compensation type flow control valve, and the side of the flow control valve is connected to the oil outlet line. This setting is used for controlling the oil mass of export, guarantees that the goods on the fork descends gently.
Preferably, the gear pump is symmetrically provided with mounting parts, and the mounting parts are connected with the cylinder block through screws. Can dismantle the setting through the screw, the steadiness when can guaranteeing to connect, the storage after convenient the dismantling again.
Preferably, a sealing ring is arranged at the interface of the gear pump, and the oil outlet of the oil pump and the oil suction port of the oil pump are respectively provided with a sealing ring. And the sealing performance at the interface is ensured.
Preferably, a dustproof ring is arranged between the piston cylinder and the lifting piston and is positioned at the top of the piston cylinder. The dust and sundries are prevented from entering the hydraulic oil, and the cyclic use of the hydraulic oil is prevented from being influenced.
To sum up, compared with the prior art, the utility model has the following advantages:
the utility model discloses a set up the oil circuit in the cylinder body seat, communicate gear pump, piston cylinder, solenoid valve and oil storage tank, specifically control the gear pump through the motor and give the one-way fuel feeding of piston cylinder, drive the lift piston and rise, the goods on the fork is raised; when the goods are required to descend, the motor is turned off, the electromagnetic valve is started, the lifting piston descends under the action of the fork and the gravity of the goods, and hydraulic oil in the piston cylinder can flow back to the oil storage tank through an oil way in the cylinder body seat, so that the next circulation is facilitated; the whole structure can be communicated without an external pipeline, high integration of the power unit and the execution unit is realized, and the integrated hydraulic power unit has the advantages of small volume, high strength, convenience in installation, convenience in maintenance and the like.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the internal piping structure of the cylinder block of the present invention;
FIG. 3 is a schematic structural diagram of the overflow valve of the present invention;
fig. 4 is a schematic structural diagram of the electromagnetic circuit board of the present invention;
fig. 5 is a schematic structural diagram of the interface and the sealing ring of the present invention;
FIG. 6 is a schematic structural view of the dust ring of the present invention;
fig. 7 is a schematic flow direction diagram of the oil circuit of the present invention.
The reference numbers in the figures are:
1. a motor; 2. a gear pump; 3. a cylinder body seat; 4. an oil outlet of the oil pump; 5. an oil suction port of an oil pump; 6. an electromagnetic valve; 7. an oil inlet pipeline; 8. an oil outlet pipeline; 9. an interface; 10. a piston cylinder; 11. a lift piston; 12. an oil storage tank; 13. a solenoid valve circuit board; 14. an overflow valve; 15. adjusting an oil plug; 16. a pressure regulating spring; 17. a steel ball seat; 18. a steel ball; 19. a flow control valve; 20. an installation part; 21. a seal ring; 22. a dust ring.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
Example (b):
as shown in fig. 1-7, an integrated electric pump for a transportation vehicle includes a motor 1, a gear pump 2 connected to the motor 1, and a cylinder block 3 with an oil passage therein, wherein an oil pump oil outlet 4 and an oil pump oil inlet 5 are disposed on a side of the cylinder block 3, a solenoid valve 6 is disposed on the cylinder block 3, an oil inlet pipeline 7 and an oil outlet pipeline 8 are disposed inside the cylinder block 3, the oil inlet pipeline 7 is connected to the oil pump oil outlet 4 and the solenoid valve 6, the oil outlet pipeline 8 is connected to the oil pump oil inlet 5 and the solenoid valve 6, the gear pump 2 is disposed on a side of the cylinder block 3 and is provided with a connector 9 correspondingly communicating the oil pump oil outlet 4 and the oil pump oil inlet 5, a piston cylinder 10 communicated with the oil inlet pipeline 7 is disposed on the cylinder block 3, a lifting piston 11 is disposed in the piston cylinder 10, and an oil storage tank 12 communicated with the oil outlet pipeline 8 is disposed on the periphery of the piston cylinder 10. The gear pump 2, the piston cylinder 10, the electromagnetic valve 6 and the oil storage tank 12 are communicated by arranging an oil way in the cylinder body seat 3, specifically, the gear pump 2 is controlled by the motor 1 to supply oil to the piston cylinder 10 in a single direction, the lifting piston 11 is driven to ascend, and goods on the fork are lifted; when the goods are required to descend, the motor 1 is closed, the electromagnetic valve 6 is started, the lifting piston 11 descends under the action of the fork and the gravity of the goods, and hydraulic oil in the piston cylinder 10 flows back to the oil storage tank 12 through an oil way in the cylinder body base 3, so that the next circulation is facilitated; the whole structure can be communicated without an external pipeline, high integration of the power unit and the execution unit is realized, and the device has the advantages of small volume, high strength, convenience in maintenance and the like.
The cylinder body seat 3 is provided with an electromagnetic valve circuit board 13, and the oil inlet pipeline 7, the electromagnetic valve 6 and the oil outlet pipeline 8 are sequentially conducted through the electromagnetic valve circuit board 13. The control oil way is communicated through the electromagnetic valve circuit board 13 to replace the connection of dispersed oil pipes, so that the maintenance is convenient; when the goods on the fork needs to be controlled to descend, the electromagnetic valve 6 is opened to lead the oil outlet pipeline 8, hydraulic oil in the piston cylinder 10 flows out, the lifting piston 11 connected with the fork descends, and the goods move downwards.
An overflow valve 14 for adjusting oil pressure is communicated with the oil inlet pipeline 7 close to the electromagnetic valve 6, and the side edge of the overflow valve 14 is communicated with the oil outlet pipeline 8. This setting is used for adjusting the oil pressure of 6 oil intakes departments of solenoid valve, helps the off-load when the oil pressure is greater than the setting value.
The overflow valve 14 comprises an adjusting oil plug 15, a pressure adjusting spring 16, a steel ball seat 17 and a steel ball 18 which are sequentially arranged, the adjusting oil plug 15 is arranged on the side edge of the cylinder body seat 3, and the steel ball 18 is used for movably opening and closing a connecting channel of the oil inlet pipeline 7 and the oil outlet pipeline 8. The oil pressure set value can be adjusted by adjusting the position of the adjusting oil plug 15 and changing the elastic force of the pressure adjusting spring 16.
The oil outlet pipeline 8 is communicated with a pressure compensation type flow control valve 19, and the side edge of the flow control valve 19 is communicated with the oil outlet pipeline 8. This setting is used for controlling the oil mass of export, guarantees that the goods on the fork descends gently.
The gear pump 2 is symmetrically provided with mounting parts 20, and the mounting parts 20 are connected with the cylinder body base 3 through screws. Can dismantle the setting through the screw, the steadiness when can guaranteeing to connect, the storage after convenient the dismantling again.
A sealing ring 21 is arranged at the joint 9 on the gear pump 2, and the oil outlet 4 and the oil inlet 5 of the oil pump are also respectively provided with the sealing ring 21. Ensuring tightness at the interface 9.
A dust ring 22 is arranged between the piston cylinder 10 and the lifting piston 11, and the dust ring 22 is positioned at the top of the piston cylinder 10. The dust and sundries are prevented from entering the hydraulic oil, and the cyclic use of the hydraulic oil is prevented from being influenced.
The working mode is as follows:
the lifting piston 11 is connected with a fork, and goods are placed on the fork.
When the goods are raised, the electromagnetic valve 6 is in a closed state, the motor 1 is started, the gear pump 2 is controlled by the motor 1 to supply oil to the piston cylinder 10 in a one-way mode through the oil inlet pipeline 7, the lifting piston 11 is driven to ascend, and the goods on the fork are raised.
When the goods are required to descend, the motor 1 is closed, the electromagnetic valve 6 is opened, the lifting piston 11 descends under the action of the fork and the gravity of the goods, hydraulic oil in the piston cylinder 10 enters the electromagnetic valve 6 along an oil path, when the oil pressure at the inlet of the electromagnetic valve 6 is too high, the steel ball 18 of the overflow valve 14 moves towards one side of the oil adjusting plug 15, redundant hydraulic oil passes through the electromagnetic valve 6 and directly enters the oil outlet pipeline 8 through the overflow valve 14, and when the set pressure value is reached, the overflow valve 14 is closed. The hydraulic oil from the electromagnetic valve 6 is limited in oil output through the flow control valve 19, so that the cargo is slowly descended and then enters the oil storage tank 12 for standby.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (8)
1. An integrated electric pump for a carrier is characterized by comprising a motor (1), a gear pump (2) connected with the motor (1) and a cylinder body base (3) internally provided with an oil way, wherein an oil pump oil outlet (4) and an oil pump oil suction opening (5) are arranged on the side edge of the cylinder body base (3), an electromagnetic valve (6) is arranged on the cylinder body base (3), an oil inlet pipeline (7) and an oil outlet pipeline (8) are arranged inside the cylinder body base (3), the oil inlet pipeline (7) is connected with the oil pump oil outlet (4) and the electromagnetic valve (6), the oil outlet pipeline (8) is connected with the oil pump oil suction opening (5) and the electromagnetic valve (6), the gear pump (2) is positioned on the side edge of the cylinder body base (3) and is provided with a connector (9) correspondingly communicated with the oil pump oil outlet (4) and the oil pump oil suction opening (5), a piston cylinder (10) communicated with the oil inlet pipeline (7) is arranged on the cylinder body base (3), and a lifting piston (11) is arranged in the piston cylinder (10), an oil storage tank (12) communicated with the oil outlet pipeline (8) is arranged at the periphery of the piston cylinder (10).
2. The integrated electric pump for a transporting vehicle according to claim 1, wherein the cylinder block (3) is provided with a solenoid valve plate (13), and the oil inlet line (7), the solenoid valve (6) and the oil outlet line (8) are sequentially connected through the solenoid valve plate (13).
3. The integrated electric pump for a transporting vehicle according to claim 1, wherein an overflow valve (14) for regulating oil pressure is communicated to the oil inlet line (7) adjacent to the electromagnetic valve (6), and an oil outlet line (8) is communicated to a side edge of the overflow valve (14).
4. The integrated electric pump for a transporting vehicle as claimed in claim 3, wherein the overflow valve (14) comprises a regulating oil plug (15), a pressure regulating spring (16), a steel ball seat (17) and a steel ball (18) which are arranged in sequence, the regulating oil plug (15) is mounted on the side of the cylinder body seat (3), and the steel ball (18) is used for movably opening and closing a connecting channel of the oil inlet pipeline (7) and the oil outlet pipeline (8).
5. The integrated electric pump for a cart according to claim 1, wherein the oil outlet line (8) is connected to a pressure compensation type flow control valve (19), and the oil outlet line (8) is connected to a side of the flow control valve (19).
6. The integrated electric pump for a transporting vehicle according to claim 1, wherein the gear pump (2) is symmetrically provided with mounting portions (20), and the mounting portions (20) are connected with the cylinder block (3) by screws.
7. The integrated electric pump for transporting vehicles according to claim 1, wherein the gear pump (2) is provided with a sealing ring (21) at the interface (9), and the oil pump outlet (4) and the oil pump inlet (5) are also provided with a sealing ring (21), respectively.
8. The integrated electric pump for a vehicle according to claim 1, characterized in that a dust ring (22) is provided between the piston cylinder (10) and the lifting piston (11), the dust ring (22) being located on top of the piston cylinder (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123451698.3U CN216589083U (en) | 2021-12-30 | 2021-12-30 | Integrated electric pump for carrier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123451698.3U CN216589083U (en) | 2021-12-30 | 2021-12-30 | Integrated electric pump for carrier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216589083U true CN216589083U (en) | 2022-05-24 |
Family
ID=81631680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123451698.3U Active CN216589083U (en) | 2021-12-30 | 2021-12-30 | Integrated electric pump for carrier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216589083U (en) |
-
2021
- 2021-12-30 CN CN202123451698.3U patent/CN216589083U/en active Active
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