CN216669225U - Railway maintenance equipment tamping device's test bench - Google Patents
Railway maintenance equipment tamping device's test bench Download PDFInfo
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- CN216669225U CN216669225U CN202122845150.0U CN202122845150U CN216669225U CN 216669225 U CN216669225 U CN 216669225U CN 202122845150 U CN202122845150 U CN 202122845150U CN 216669225 U CN216669225 U CN 216669225U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The utility model discloses a test bed of a tamping device of railway maintenance equipment, which comprises an oil tank, wherein a variable frequency pump set is arranged on the oil tank, the variable frequency pump set comprises a first oil filter, a plunger pump is connected onto the first oil filter, a variable frequency motor is arranged on the plunger pump, a proportional overflow valve is connected to the liquid outlet end of the plunger pump, a first check valve is arranged on the proportional overflow valve, a reversing throttle valve group is connected onto the first check valve, the reversing throttle valve group comprises an electromagnetic reversing valve, a pressure reducing valve is arranged on the electromagnetic reversing valve, a second check valve is arranged on the pressure reducing valve, and a throttle valve is arranged on the second check valve. This railway maintenance equipment tamping unit's test bench degree of automation is high, the simple operation, and low in labor strength, the simulation operating mode performance is close, and test data is accurate, through the continuity test, guarantees the qualification rate of product, improves the quality of product, reduces the frequency of returning the factory to repair and after-sale service, reduces the outage rate of maintenance railway maintenance equipment, improves the public praise of product in the customer.
Description
Technical Field
The utility model relates to the technical field of railway maintenance equipment, in particular to a test bed of a tamping device of railway maintenance equipment.
Background
The tamping device is an important component on railway maintenance equipment, has the characteristics of high working frequency and large impact vibration, has high requirements on the performance and service life of the tamping device, meets the use requirements of severe working conditions on site in order to improve the quality of the tamping device and reduce the probability of failure of the tamping device in operation, and needs to carry out delivery tests on the tamping device to verify the performance of the tamping device. Therefore, the test bed for the tamping device of the railway maintenance equipment is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a test bed of a tamping device of railway maintenance equipment, which aims to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme:
the test bed for the tamping device of the railway maintenance equipment comprises an oil tank, wherein a variable frequency pump set is arranged on the oil tank, the variable frequency pump set comprises a first oil filter, a plunger pump is connected onto the first oil filter, a variable frequency motor is arranged on the plunger pump, a proportional overflow valve is connected to the liquid outlet end of the plunger pump, a first one-way valve is mounted on the proportional overflow valve, a reversing throttle valve group is connected onto the first one-way valve and comprises an electromagnetic reversing valve, a pressure reducing valve is mounted onto the electromagnetic reversing valve, a second one-way valve is arranged on the pressure reducing valve, a throttle valve is mounted onto the second one-way valve, a tamping device oil cylinder is connected onto the throttle valve, and a first pressure sensor and a first pressure gauge are sequentially arranged on a pipeline between the tamping device oil cylinder and the throttle valve;
the oil tank is provided with a cooling device, the cooling device comprises a circulating pump set, a third one-way valve is installed on the circulating pump set, the third one-way valve is connected with an air cooler, and a second oil filter is installed on the air cooler.
Preferably, an energy accumulator group is arranged between the reversing throttle valve group and the variable frequency pump group and between the reversing throttle valve group and the cooling device, the energy accumulator group comprises an energy accumulator, a second pressure sensor is connected to the energy accumulator, and a second pressure gauge is installed on the second pressure sensor.
Preferably, the variable frequency pump unit is connected with a stop valve, and the stop valve is provided with a motor.
Preferably, a liquid level meter, a temperature relay and an air filter are sequentially arranged in the oil tank.
Compared with the prior art, the utility model has the beneficial effects that: this railway maintenance equipment tamping plant's test bench degree of automation is high, the simple operation, low in labor strength, simulation operating mode performance is close, the test data is accurate, through the continuity test, and extract the test data in real time, through gathering, the analysis, calculate the running state of judging each part of tamping plant in the test and the cooperation condition of each other, whether each item performance index of prejudgement tamping plant satisfies the performance requirement, can make prejudgement in advance to the equipment that has the problem, be convenient for in time improve, guarantee the qualification rate of product, improve the quality of product, reduce the frequency of returning the factory repair and after-sale service, reduce the outage rate of maintenance railway maintenance equipment, improve the public praise of product in the customer.
Drawings
Fig. 1 is a hydraulic schematic diagram of a test bed structure of a tamping device of railway maintenance equipment provided by the utility model.
In the figure: the variable-frequency pump unit comprises a variable-frequency pump unit 1, a first oil filter 101, a variable-frequency motor 102, a plunger pump 103, a proportional overflow valve 104, a first check valve 105, a reversing throttle valve group 2, an electromagnetic reversing valve 201, a pressure reducing valve 202, a second check valve 203, a throttle valve 204, a first pressure sensor 205, a first pressure gauge 206, a cooling device 3, a circulating pump unit 301, a third check valve 302, an air cooler 303, a second oil filter 304, an accumulator group 4, an accumulator 401, a second pressure sensor 402, a second pressure gauge 403, an oil tank 5, a tamping device oil cylinder 6, a stop valve 7 and a motor 8.
Detailed Description
The technical solutions in the embodiments of the present invention will be 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 a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: a test bed of a tamping device of railway maintenance equipment comprises an oil tank 5, a variable frequency pump set 1 is arranged on the oil tank 5, the variable frequency pump set 1 comprises a first oil filter 101, a plunger pump 103 is connected onto the first oil filter 101, a variable frequency motor 102 is arranged on the plunger pump 103, a terminal of the variable frequency motor 102 is externally connected with a power supply and a PLC controller through a lead, the start and stop of the variable frequency motor 102 are controlled through the PLC controller, a liquid outlet end of the plunger pump 103 is connected with a proportional overflow valve 104, a first one-way valve 105 is arranged on the proportional overflow valve 104, a reversing throttle valve set 2 is connected onto the first one-way valve 105, the reversing throttle valve set 2 comprises an electromagnetic reversing valve 201, a terminal of the electromagnetic reversing valve 201 is externally connected with the power supply and the PLC controller through a lead, the start and stop of the electromagnetic reversing valve 201 are controlled through the PLC controller, a pressure reducing valve 202 is arranged on the electromagnetic reversing valve 201, and a second one-way valve 203 is arranged on the pressure reducing valve 202, a throttle valve 204 is installed on the second one-way valve 203, the throttle valve 204 is connected with a tamping device oil cylinder 6, and a first pressure sensor 205 and a first pressure gauge 206 are sequentially arranged on a pipeline between the tamping device oil cylinder 6 and the throttle valve 204;
be equipped with cooling device 3 on oil tank 5, cooling device 3 includes circulating pump group 301, circulating pump group 301's wiring end is external through the wire has power and PLC controller, through the PLC controller, the start of control circulating pump group 301 stops, install third check valve 302 on the circulating pump group 301, be connected with air cooler 303 on the third check valve 302, air cooler 303's wiring end is external through the wire has power and PLC controller, through the PLC controller, the start of control air cooler 303 stops, install second oil filter 304 on the air cooler 303.
Specifically, the variable frequency motor 102 is started, the variable frequency motor 102 drives the plunger pump 103 to rotate, hydraulic oil in the oil tank 5 is pumped to the first oil filter 101 through the plunger pump 103, then is conveyed to the proportional overflow valve 104, then enters the first check valve 105 through the proportional overflow valve 104, then enters the reversing throttle valve group 2, enters the pressure reducing valve 202 through the electromagnetic reversing valve 201 in the reversing throttle valve group 2, then enters the second check valve 203 through the pressure reducing valve 202, then enters the throttle valve 204, and then enters the tamping device oil cylinder 6 through the throttle valve 204, so as to complete the tamping device oil cylinder test, at the moment, the first pressure sensor 205 monitors oil pressure change on the pipeline, the rotating speed of the variable frequency motor 102 is controlled through the PLC control system, the oil pressure in the pipeline is visually displayed through the first pressure gauge 206, the circulating pump unit 301 in the cooling device 3 is started, the circulating pump unit 301 pumps the hydraulic oil in the oil tank 5 to the third check valve 302, and then enters the air cooler 303 from the third one-way valve 302, is cooled by the air cooler 303, and then enters the oil tank 5 again through the second oil filter 304, so that the effect of cooling the hydraulic oil is achieved.
The theory of operation, this railway maintenance equipment tamping plant's test bench is at the in-process that uses: the external power supply of the device is connected, the variable frequency motor 102 is started, the variable frequency motor 102 drives the plunger pump 103 to rotate, hydraulic oil in the oil tank 5 is pumped to the first oil filter 101 through the plunger pump 103, then is conveyed to the proportional overflow valve 104, then enters the first check valve 105 through the proportional overflow valve 104, then enters the reversing throttle valve group 2, enters the pressure reducing valve 202 through the electromagnetic reversing valve 201 in the reversing throttle valve group 2, then enters the second check valve 203 through the pressure reducing valve 202, then enters the throttle valve 204, and then enters the tamping device oil cylinder 6 through the throttle valve 204, so that the tamping device oil cylinder test is completed, at the moment, the first pressure sensor 205 monitors the oil pressure change on the pipeline, the rotating speed of the variable frequency motor 102 is controlled through the PLC control system, the oil pressure in the pipeline is visually displayed through the first pressure gauge 206, the circulating pump group 301 in the cooling device 3 is started, the circulating pump group 301 pumps the oil in the oil tank 5 to the third check valve 302, and then enters the air cooler 303 from the third one-way valve 302, is cooled by the air cooler 303, and then enters the oil tank 5 again through the second oil filter 304, so that the effect of cooling the hydraulic oil is achieved. The test bed of the tamping device of the railway maintenance equipment is high in automation degree, convenient to operate, low in labor intensity, close in simulation working condition performance, accurate in test data, capable of conducting continuity test and extracting the test data in real time, judging the running state and the mutual matching condition of each component of the tamping device in the test through collection, analysis and calculation, pre-judging whether each performance index of the tamping device meets the performance requirement or not, pre-judging can be made in advance for the equipment with problems, convenient to improve in time, guaranteeing the qualification rate of products, improving the quality of the products, reducing the frequency of factory repair and after-sale service, reducing the outage rate of maintenance of the railway maintenance equipment, and improving the public praise of the products in clients.
Further, between switching-over throttle valves 2 and the frequency conversion pump package 1, all be equipped with energy storage group 4 between switching-over throttle valves 2 and the cooling device 3, energy storage group 4 includes energy storage ware 401, be connected with second pressure sensor 402 on the energy storage ware 401, install second manometer 403 on the second pressure sensor 402, can detect the oil pressure change through energy storage ware 401 position through second pressure sensor 402, the pulse absorption that the inside hydraulic oil of pipeline produced is controlled energy storage ware 401 to the rethread PLC controller, and then the stability of protection output fluid.
Furthermore, be connected with stop valve 7 on the frequency conversion pump package 1, install motor 8 on the stop valve 7, motor 8 is hydraulic motor, can pass through the operation of hydraulic oil drive motor 8.
Further, 5 inside level gauges, temperature relay, air cleaner are equipped with in proper order in the oil tank, can in time monitor the inside hydraulic oil reserves of oil tank 5 through the level gauge, and then guarantee that the fuel feeding of this test bench is stable, can monitor the inside oil temperature of oil tank 5 through temperature relay, the operation of recirculation pump package 301 is controlled again, can guarantee through air cleaner that the inside atmospheric pressure of oil tank 5 is stable, and then can guarantee the stability of the inside hydraulic oil business turn over of oil tank 5.
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 utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a railway maintenance equipment tamping unit's test bench, includes oil tank (5), its characterized in that: the oil tank is characterized in that a variable frequency pump set (1) is arranged on the oil tank (5), the variable frequency pump set (1) comprises a first oil filter (101), a plunger pump (103) is connected onto the first oil filter (101), a variable frequency motor (102) is arranged on the plunger pump (103), a proportional overflow valve (104) is connected to the liquid outlet end of the plunger pump (103), a first one-way valve (105) is installed on the proportional overflow valve (104), a reversing throttle valve set (2) is connected onto the first one-way valve (105), the reversing throttle valve set (2) comprises an electromagnetic reversing valve (201), a pressure reducing valve (202) is installed on the electromagnetic reversing valve (201), a second one-way valve (203) is arranged on the pressure reducing valve (202), a throttle valve (204) is installed on the second one-way valve (203), a tamping device oil cylinder (6) is connected onto the throttle valve (204), and a first pressure sensing pipeline between the tamping device oil cylinder (6) and the throttle valve (204) is sequentially arranged on the pipeline The device comprises a device (205) and a first pressure gauge (206);
the oil tank (5) is provided with a cooling device (3), the cooling device (3) comprises a circulating pump set (301), a third one-way valve (302) is installed on the circulating pump set (301), an air cooler (303) is connected to the third one-way valve (302), and a second oil filter (304) is installed on the air cooler (303).
2. The test bed of the railway maintenance equipment tamping device of claim 1, wherein: the energy accumulator group (4) is arranged between the reversing throttle valve group (2) and the variable frequency pump group (1) and between the reversing throttle valve group (2) and the cooling device (3), the energy accumulator group (4) comprises an energy accumulator (401), a second pressure sensor (402) is connected onto the energy accumulator (401), and a second pressure gauge (403) is installed on the second pressure sensor (402).
3. The test bed of the railway maintenance equipment tamping device of claim 1, wherein: the variable frequency pump unit (1) is connected with a stop valve (7), and a motor (8) is installed on the stop valve (7).
4. The test bed of the railway maintenance equipment tamping device of claim 1, wherein: the oil tank (5) is internally provided with a liquid level meter, a temperature relay and an air filter in sequence.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122845150.0U CN216669225U (en) | 2021-11-19 | 2021-11-19 | Railway maintenance equipment tamping device's test bench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122845150.0U CN216669225U (en) | 2021-11-19 | 2021-11-19 | Railway maintenance equipment tamping device's test bench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216669225U true CN216669225U (en) | 2022-06-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122845150.0U Active CN216669225U (en) | 2021-11-19 | 2021-11-19 | Railway maintenance equipment tamping device's test bench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216669225U (en) |
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2021
- 2021-11-19 CN CN202122845150.0U patent/CN216669225U/en active Active
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