CN211116871U - Integrated hydraulic unit for electro-hydraulic switch machine - Google Patents
Integrated hydraulic unit for electro-hydraulic switch machine Download PDFInfo
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- CN211116871U CN211116871U CN201921916365.3U CN201921916365U CN211116871U CN 211116871 U CN211116871 U CN 211116871U CN 201921916365 U CN201921916365 U CN 201921916365U CN 211116871 U CN211116871 U CN 211116871U
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- 239000011148 porous material Substances 0.000 claims description 17
- 239000007788 liquid Substances 0.000 claims description 10
- 241000283707 Capra Species 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 230000010354 integration Effects 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 166
- 230000005540 biological transmission Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses an integrated hydraulic unit for an electro-hydraulic switch machine, which comprises a main oil cylinder (6), an auxiliary oil cylinder (4), a pump valve oil tank assembly (3), a motor (7), a left oil way connecting block (1), a right oil way connecting block (8) and an oil way connecting supporting plate (2); the auxiliary oil cylinder (4) and the main oil cylinder (6) are fixed below the oil way connecting supporting plate (2) in parallel up and down, and the auxiliary oil cylinder (4) is fixed on the main oil cylinder (6); two sides of the oil way connecting supporting plate (2) are respectively connected with a main oil cylinder (6) through a left oil way connecting block (1) and a right oil way connecting block (8); the pump valve oil tank assembly (3) is fixed above the oil way connecting supporting plate (2), and the motor (7) is fixed above the oil way connecting supporting plate (2) and drives an oil pump (9) in the pump valve oil tank assembly (3) to work. The overall dimension of the hydraulic unit is reduced, the integration of the whole hydraulic unit is realized, the size of the whole machine is reduced, the disassembly and the assembly are simple and convenient, and the reliability is improved.
Description
Technical Field
The utility model belongs to the technical field of machinery and hydraulic drive technique and specifically relates to an integral type hydraulic unit is used to electric liquid goat.
Background
The turnout switch machine equipment is an actuating mechanism of a turnout control system, is used for switching locking and position state supervision of turnouts, is directly related to driving safety, and has extremely high requirements on the safety of the turnout switch machine equipment. At present, the electro-hydraulic switch machine adopts a hydraulic transmission mode that a motor drives an oil pump to drive an oil cylinder to realize switch conversion, the hydraulic transmission mode has the advantages of large output torque, stable transmission, self lubrication, long service life and the like, and the extension of an auxiliary machine can be realized.
The hydraulic power part and the oil cylinder part of the hydraulic unit of the existing electro-hydraulic switch machine are distributed dispersedly, the modularization degree is low, the size is large, the oil cylinder, the motor, the oil pump and the valve body are connected through an external oil pipeline, the oil leakage condition is easy to occur, the reliability is poor, and the disassembly and the assembly are complex and cannot be realized at one time.
Disclosure of Invention
The utility model aims at providing an integral type hydraulic unit for electro-hydraulic goat has reduced hydraulic unit's overall dimension, has realized the integration of whole hydraulic unit, makes whole quick-witted size reduce, and the dismouting is simple and convenient, improves the reliability.
The utility model aims at realizing through the following technical scheme:
an integrated hydraulic unit for an electro-hydraulic switch machine comprises a main oil cylinder 6, an auxiliary oil cylinder 4, a pump valve oil tank assembly 3, a motor 7, a left oil way connecting block 1, a right oil way connecting block 8 and an oil way connecting supporting plate 2;
the auxiliary oil cylinder 4 and the main oil cylinder 6 are fixed below the oil way connecting supporting plate 2 in parallel up and down, and the auxiliary oil cylinder 4 is fixed on the main oil cylinder 6; two sides of the oil way connecting supporting plate 2 are respectively connected with a main oil cylinder 6 through a left oil way connecting block 1 and a right oil way connecting block 8;
the pump valve oil tank assembly 3 is fixed above the oil way connecting supporting plate 2, and an oil pump 9, an oil tank 10, two overflow valves 11, four one-way valves 12, two pressure sensors 13, an oil filter 14 and a liquid level sensor 15 are integrated in a valve body 16 and are connected with each other; the oil path of the pump valve oil tank assembly 3 is directly connected with the oil path connecting supporting plate 2, and is communicated with the oil paths of the left oil path connecting block 1 and the right oil path connecting block 8 through an oil path pore channel arranged in the oil path connecting supporting plate 2; oil path ducts are arranged in the left oil path connecting block 1 and the right oil path connecting block 8 to be communicated with oil paths of the main oil cylinder 6 and the auxiliary oil cylinder 4;
the motor 7 is fixed above the oil way connecting supporting plate 2 and drives an oil pump 9 in the pump valve oil tank assembly 3 to work.
The outlet of the oil pump 9 is communicated with an oil filter 14 through a built-in oil path pore passage of the valve body 16, and then is communicated with a first one-way valve 121 in the forward direction, and is divided into two branches, one branch is communicated with a first pressure sensor 131 through the built-in oil path pore passage of the valve body 16, and then is communicated with the oil inlets of the auxiliary oil cylinder 4 and the main oil cylinder 6 through the built-in oil path pore passage of the valve body 16, the built-in oil path pore passage of the oil path connecting supporting plate 2 and; the other branch is communicated with the first overflow valve 111 through an oil passage hole arranged in the valve body 16 and then communicated with the oil tank 10; the first overflow valve 111 is connected with a third check valve 123 in parallel and in reverse;
the oil outlets of the auxiliary oil cylinder 4 and the main oil cylinder 6 are communicated with a built-in oil path hole of the oil path connecting supporting plate 2 and a built-in oil path hole of the valve body 16 through a right oil path connecting block 8, and then communicated with an inlet of the oil pump 9 through a built-in oil path hole of the valve body 16; the inlet of the oil pump 9 is also communicated with a second overflow valve 112 through a built-in oil path hole of the valve body 16 and then is communicated with the oil tank 10; the second overflow valve 112 is connected with a fourth check valve 124 in parallel;
the oil filter 14 connected in series and the second check valve 122 connected in parallel and in opposite directions at two ends of the first check valve 121;
the valve body 16 is provided with a liquid level sensor 15 for communicating with the liquid level of the oil tank 10.
The motor 7 is connected with the oil pump 9 in the pump valve oil tank assembly 3 through the coupler 5 and drives the pump valve oil tank assembly to work.
The main oil cylinder 6 drives the action rod to complete the stroke of the electro-hydraulic switch machine.
And the auxiliary oil cylinder 4 drives the locking mechanism to complete the unlocking and locking operations of the action rod.
By the foregoing the technical scheme the utility model provides a can see out, the embodiment of the utility model provides a pair of integral type hydraulic unit for electro-hydraulic goat has reduced hydraulic unit's overall dimension, has realized the integration of whole hydraulic unit, makes whole quick-witted size reduce, and the dismouting is simple and convenient, improves the reliability.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an integrated hydraulic unit for an electro-hydraulic switch machine according to an embodiment of the present invention;
fig. 2 is a schematic perspective view of an integrated hydraulic unit for an electro-hydraulic switch machine according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a pump valve oil tank assembly of an integrated hydraulic unit for an electro-hydraulic switch machine according to an embodiment of the present invention;
fig. 4 is a schematic view of a hydraulic principle of the integrated hydraulic unit for the electro-hydraulic switch machine provided by the embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the 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 embodiment of 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.
Embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
Examples
As shown in fig. 1 and 2, an integrated hydraulic unit for an electro-hydraulic switch machine comprises a main oil cylinder 6 and an auxiliary oil cylinder 4, and further comprises a pump valve oil tank assembly 3, a motor 7, a left oil way connecting block 1, a right oil way connecting block 8 and an oil way connecting supporting plate 2; the auxiliary oil cylinder 4 and the main oil cylinder 6 are fixed below the oil way connecting supporting plate 2 in parallel up and down, and can be fixed by screws, the auxiliary oil cylinder 4 is fixed on the main oil cylinder 6 and can be fixed by screws, wherein the auxiliary oil cylinder 4 and the main oil cylinder 6 are combined into an up-down structure, and two oil ways of the main oil cylinder 6 and the auxiliary oil cylinder 4 are connected in parallel.
Two sides of the oil way connecting supporting plate 2 are respectively connected with a main oil cylinder 6 through a left oil way connecting block 1 and a right oil way connecting block 8; the oil way connecting supporting plate 2 and the left oil way connecting block 1 and the right oil way connecting block 8 are fixed by using screws. And oil passage channels are arranged in the oil passage connecting supporting plate 2, the left oil passage connecting block 1 and the right oil passage connecting block 8 and are used for passing through hydraulic oil. The oil way connecting supporting plate 2 is fixedly connected with a supporting column on the inner wall of the switch machine box body through a bolt.
The pump valve oil tank assembly 3 is fixed above the oil way connecting supporting plate 2, and an oil pump 9, an oil tank 10, two overflow valves 11, four one-way valves 12, two pressure sensors 13, an oil filter 14 and a liquid level sensor 15 are integrated on the valve body 16 and are connected with each other; the oil path of the pump valve oil tank assembly 3 is directly connected with the oil path connecting supporting plate 2 and is communicated with the oil paths of the left oil path connecting block 1 and the right oil path connecting block 8 through the oil path pore channel arranged in the oil path connecting supporting plate 2.
The specific oil path structure is shown as a pattern, the outlet of the oil pump 9 is communicated with an oil filter 14 through an oil path pore canal built in a valve body 16, and is further communicated with a first one-way valve 121 in the forward direction, and is divided into two branches, one branch is communicated with a first pressure sensor 131 through the oil path pore canal built in the valve body 16, and then is communicated with the oil inlets of the auxiliary oil cylinder 4 and the main oil cylinder 6 through the oil path pore canal built in the valve body 16, the oil path connecting supporting plate 2 and the oil path connecting block 1 (or the right oil path connecting block 8); the other branch is communicated with the first overflow valve 111 through an oil passage hole arranged in the valve body 16 and then communicated with the oil tank 10; the first relief valve 111 is connected in parallel with the third check valve 123 in the opposite direction.
The oil outlets of the auxiliary oil cylinder 4 and the main oil cylinder 6 are communicated with a built-in oil path pore canal of the oil path connecting supporting plate 2 and a built-in oil path pore canal of the valve body 16 through a right oil path connecting block 8 (or a left oil path connecting block 1), and then communicated with an inlet of the oil pump 9 through a built-in oil path pore canal of the valve body 16; the inlet of the oil pump 9 is also communicated with a second overflow valve 112 through a built-in oil path hole of the valve body 16 and then is communicated with the oil tank 10; the second excess flow valve 112 is connected in parallel with the opposing fourth check valve 124. The oil filter 14 connected in series and the second check valve 122 connected in parallel and in opposite directions at two ends of the first check valve 121; the valve body 16 is provided with a liquid level sensor 15 for communicating with the liquid level of the oil tank 10.
In this example, forward communication refers to the direction of oil flow and reverse refers to the direction of reverse oil flow, as shown in FIG. 4. Meanwhile, all the oil paths are built-in oil path pore passages of the valve body 16, the oil path connecting supporting plate 2, the right oil path connecting block 8 and the left oil path connecting block 1. Therefore, the hydraulic unit is a whole, the modularization degree is high, the independent test and the dismounting maintenance of the hydraulic unit are facilitated, the oil circuit connections in each part of the interior of the hydraulic unit are all plate-type connections, oil pipes are not adopted, the installation process is simple, convenient and reliable, and the oil leakage risk is reduced.
And the motor 7 is fixed above the oil way connecting supporting plate 2 and drives an oil pump in the pump valve oil tank assembly 3 to work. The motor 7 can be fixed above the oil way connecting supporting plate 2 by using screws, the motor 7 is connected with and drives an oil pump 9 in the pump valve oil tank assembly 3 to work through a coupler 5, and the coupler 5 is connected with an output shaft of the motor 7 and a drive shaft of the oil pump 9 of the pump valve oil tank assembly 3.
In the using process, the main oil cylinder 6 drives the action rod to complete the stroke of the electro-hydraulic switch machine. And the auxiliary oil cylinder 4 drives the locking mechanism to complete the unlocking and locking operations of the action rod.
The above description is only for the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are all covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (5)
1. The utility model provides an integral type hydraulic unit for electric-hydraulic goat, includes master cylinder (6) and vice hydro-cylinder (4), its characterized in that: the oil pump further comprises a pump valve oil tank assembly (3), a motor (7), a left oil way connecting block (1), a right oil way connecting block (8) and an oil way connecting supporting plate (2);
the auxiliary oil cylinder (4) and the main oil cylinder (6) are fixed below the oil way connecting supporting plate (2) in parallel up and down, and the auxiliary oil cylinder (4) is fixed on the main oil cylinder (6); two sides of the oil way connecting supporting plate (2) are respectively connected with a main oil cylinder (6) through a left oil way connecting block (1) and a right oil way connecting block (8);
the pump valve oil tank assembly (3) is fixed above the oil way connecting supporting plate (2), and an oil pump (9), an oil tank (10), two overflow valves (11), four one-way valves (12), two pressure sensors (13), an oil filter (14) and a liquid level sensor (15) are integrated in the valve body (16) and are connected with each other; the oil way of the pump valve oil tank assembly (3) is directly connected with the oil way connecting supporting plate (2), and is communicated with the oil ways of the left oil way connecting block (1) and the right oil way connecting block (8) through the built-in oil way pore channel of the oil way connecting supporting plate (2); oil passages are arranged in the left oil passage connecting block (1) and the right oil passage connecting block (8) and are communicated with oil passages of the main oil cylinder (6) and the auxiliary oil cylinder (4);
and the motor (7) is fixed above the oil way connecting supporting plate (2) and drives an oil pump (9) in the pump valve oil tank assembly (3) to work.
2. The integrated hydraulic unit for the electro-hydraulic switch machine according to claim 1, wherein an outlet of the oil pump (9) is communicated with an oil filter (14) through a built-in oil passage hole of a valve body (16), and is further communicated with a first check valve (121) in the forward direction, and is divided into two branches, one branch is communicated with a first pressure sensor (131) through the built-in oil passage hole of the valve body (16), and is communicated with an oil inlet of the auxiliary oil cylinder (4) and an oil inlet of the main oil cylinder (6) through the built-in oil passage hole of the valve body (16), the oil passage connecting supporting plate (2) and the built-in oil passage hole of the left oil passage connecting; the other branch is communicated with a first overflow valve (111) through an oil passage hole arranged in the valve body (16) and then communicated with an oil tank (10); the first overflow valve (111) is connected with a reverse third one-way valve (123) in parallel;
the oil outlets of the auxiliary oil cylinder (4) and the main oil cylinder (6) are communicated with a built-in oil way pore passage of the oil way connecting supporting plate (2) and a built-in oil way pore passage of the valve body (16) through a right oil way connecting block (8) to form a second pressure sensor (132), and then are communicated with an inlet of the oil pump (9) through a built-in oil way pore passage of the valve body (16); the inlet of the oil pump (9) is also communicated with a second overflow valve (112) through a built-in oil passage hole of the valve body (16) and then communicated with the oil tank (10); the second overflow valve (112) is connected with a fourth check valve (124) in parallel and in reverse;
the oil filter (14) and the two ends of the first check valve (121) which are connected in series are connected in parallel with a second check valve (122) in opposite direction;
the valve body (16) is provided with a liquid level sensor (15) which is communicated with the liquid level of the oil tank (10).
3. An integrated hydraulic unit for an electro-hydraulic switch machine according to claim 1 or 2, characterized in that the electric motor (7) is connected to and drives the oil pump (9) in the pump valve tank assembly (3) through the coupling (5).
4. The integrated hydraulic unit for electro-hydraulic switch machines according to claim 1 or 2, characterized in that the master cylinder (6) drives the actuating rod to complete the stroke of the electro-hydraulic switch machine.
5. The integrated hydraulic unit for electro-hydraulic switch machines according to claim 1 or 2, characterized in that the slave cylinder (4) drives the locking mechanism to perform the unlocking and locking operations of the actuating rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921916365.3U CN211116871U (en) | 2019-11-07 | 2019-11-07 | Integrated hydraulic unit for electro-hydraulic switch machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921916365.3U CN211116871U (en) | 2019-11-07 | 2019-11-07 | Integrated hydraulic unit for electro-hydraulic switch machine |
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| Publication Number | Publication Date |
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| CN211116871U true CN211116871U (en) | 2020-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921916365.3U Active CN211116871U (en) | 2019-11-07 | 2019-11-07 | Integrated hydraulic unit for electro-hydraulic switch machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114379619A (en) * | 2021-12-09 | 2022-04-22 | 北京交通大学 | Electro-hydraulic switch machine and fault diagnosis system thereof |
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2019
- 2019-11-07 CN CN201921916365.3U patent/CN211116871U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114379619A (en) * | 2021-12-09 | 2022-04-22 | 北京交通大学 | Electro-hydraulic switch machine and fault diagnosis system thereof |
| CN114379619B (en) * | 2021-12-09 | 2023-05-26 | 北京交通大学 | Electrohydraulic switch machine and fault diagnosis system thereof |
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