CN203657914U - Rail vehicle bogie static load testing stand wheel load calibrating device - Google Patents
Rail vehicle bogie static load testing stand wheel load calibrating device Download PDFInfo
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- CN203657914U CN203657914U CN201420044913.9U CN201420044913U CN203657914U CN 203657914 U CN203657914 U CN 203657914U CN 201420044913 U CN201420044913 U CN 201420044913U CN 203657914 U CN203657914 U CN 203657914U
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- oil duct
- flexible conduit
- support
- hydraulic cylinder
- wheel load
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- 238000012360 testing method Methods 0.000 title claims abstract description 24
- 230000003068 static effect Effects 0.000 title claims abstract description 22
- 238000009434 installation Methods 0.000 claims abstract description 17
- 230000008878 coupling Effects 0.000 claims description 10
- 238000010168 coupling process Methods 0.000 claims description 10
- 238000005859 coupling reaction Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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Abstract
Provided is a rail vehicle bogie static load testing stand wheel load calibrating device, belonging to the rail vehicle manufacture safety technique field, and solving the problem that a present wheel load calibrating device is heavy, is inconvenient to move and has low calibration precision. The rail vehicle bogie static load testing stand wheel load calibrating device comprises a support, a hydraulic cylinder, a plurality of long rod bolts and a pressure sensor; the cross section of the support is a structure in an inversed-U shape; the lower part of the support is provided with connection apertures, and the top plate of the support is provided with installation ports; the piston end of the hydraulic cylinder penetrates the top plate of the support to be arranged in the support; the hydraulic cylinder is fixedly connected to the top plate of the support through the plurality of long rod bolts; the piston end of the hydraulic cylinder is provided with threads and is in threaded connection with the pressure sensor. The rail vehicle bogie static load testing stand wheel load calibrating device is used for calibrating a wheel load measuring system in a rail vehicle bogie static load testing stand.
Description
Technical field
The utility model relates to a kind of bogie static test bed wheel load calibrating installation, is specifically related to a kind of railway vehicle bogie static load test bench wheel load calibrating installation, belongs to rail vehicle and manufactures safety technique field.
Background technology
Bogie static test bed is the specialized equipment that bogie performance parameter is carried out to comprehensive detection, comprising bogie wheel load is tested.Wheel load is measured by LOAD CELLS, by related standards, LOAD CELLS is used after certain hour, need calibration, according to the design feature of bogie static test bed and installation site, be not easy to LOAD CELLS to pull down calibration, consider that 4 wheel weighing stations all need calibration simultaneously, it is very necessary therefore developing a kind of wheel load calibrating installation light, that be easy to move, precision is high.
Summary of the invention
The utility model for solve existing wheel load calibrating installation heavy, be not easy to the problem of moving and calibration accuracy is low, and then a kind of railway vehicle bogie static load test bench wheel load calibrating installation is provided, bogie static test bed wheel load survey sensor is carried out to periodic calibration.
The utility model in order to solve the problems of the technologies described above taked technical scheme is:
Railway vehicle bogie static load test bench wheel load calibrating installation described in the utility model comprises support, hydraulic cylinder, multiple bolt of long stem and pressure transducer, the cross section of described support is is inverted U character form structure, the bottom of support has connecting hole, on the top board of support, have installing port, the piston end of hydraulic cylinder is placed in internal stent through the top board of support, and hydraulic cylinder is fixedly connected on by multiple bolt of long stems on the top board of support, the pistons end of described hydraulic cylinder is processed with screw thread, and the pistons end of hydraulic cylinder is threaded with pressure transducer.
Preferred: described railway vehicle bogie static load test bench wheel load calibrating installation also comprises the first oil duct, the second oil duct, the first flexible conduit, the second flexible conduit, manually proportional pressure-reducing valve, the 3rd flexible conduit, the first rapid-acting coupling, tensimeter, solenoid-operated proportional reversal valve, two unidirectional adjustable throttlings and two the second hydraulic quick couplers, described the first oil duct, the second oil duct, the first flexible conduit, the second flexible conduit, manually proportional pressure-reducing valve, the 3rd flexible conduit, the first rapid-acting coupling, tensimeter, solenoid-operated proportional reversal valve, two unidirectional adjustable throttlings, two the second hydraulic quick couplers and hydraulic cylinder form hydraulic system, described the first oil duct and the second oil duct are set up in parallel, one end of the first oil duct is connected with the first flexible conduit by second hydraulic quick coupler, one end of the second oil duct is connected with the second flexible conduit by another second hydraulic quick coupler, the first flexible conduit and the second flexible conduit and hydraulic cylinder connect, a unidirectional adjustable throttling is respectively installed on described the first oil duct and the second oil duct, the first oil duct is connected by solenoid-operated proportional reversal valve with the second oil duct, solenoid-operated proportional reversal valve is positioned at the top of unidirectional adjustable throttling, manual proportional pressure-reducing valve is also installed on the first oil duct, the first oil duct is connected with one end of the 3rd flexible conduit by the first rapid-acting coupling, and the other end of the 3rd flexible conduit is connected with tensimeter.
The utility model compared with prior art has following effect:
1. adopt hydraulic way to load, loading force is adjustable.
Simple in structure, easy accessibility, lightweight, be convenient to move, calibration accuracy is high.
Accompanying drawing explanation
Fig. 1 is the front view of railway vehicle bogie static load test bench wheel load calibrating installation;
Fig. 2 is the right view of Fig. 1;
Fig. 3 is hydraulic system principle figure.
In figure: 1-support, 2-hydraulic cylinder, 3-bolt of long stem, 4-the first oil duct, 5-the second oil duct, 6-the first flexible conduit, 7-pressure transducer, the manual proportional pressure-reducing valve of 8-, 9-the 3rd flexible conduit, 10-the first rapid-acting coupling, 11-tensimeter, 12-solenoid-operated proportional reversal valve, the unidirectional adjustable throttling of 13-, 14-the second hydraulic quick coupler, 15-the second flexible conduit, 16-testing table fixed rail.
Embodiment
Elaborate with reference to the accompanying drawings the utility model preferred embodiment below.
Embodiment one: referring to Fig. 1 to Fig. 3, described railway vehicle bogie static load test bench wheel load calibrating installation comprises support 1, hydraulic cylinder 2, multiple bolt of long stems 3 and pressure transducer 7, the cross section of described support 1 is is inverted U character form structure, the bottom of support 1 has connecting hole, on the top board of support 1, have installing port, the piston end of hydraulic cylinder 2 is placed in support 1 inside through the top board of support 1, and hydraulic cylinder 2 is fixedly connected on the top board of support 1 by multiple bolt of long stems 3, the pistons end of described hydraulic cylinder 2 is processed with screw thread, the pistons end of hydraulic cylinder 2 is threaded with pressure transducer 7.
Further: described railway vehicle bogie static load test bench wheel load calibrating installation also comprises the first oil duct 4, the second oil duct 5, the first flexible conduit 6, the second flexible conduit 15, manually proportional pressure-reducing valve 8, the 3rd flexible conduit 9, the first rapid-acting coupling 10, tensimeter 11, solenoid-operated proportional reversal valve 12, two unidirectional adjustable throttlings 13 and two the second hydraulic quick couplers 14, described the first oil duct 4, the second oil duct 5, the first flexible conduit 6, the second flexible conduit 15, manually proportional pressure-reducing valve 8, the 3rd flexible conduit 9, the first rapid-acting coupling 10, tensimeter 11, solenoid-operated proportional reversal valve 12, two unidirectional adjustable throttlings 13, two the second hydraulic quick couplers 14 form hydraulic system with hydraulic cylinder 2, described the first oil duct 4 and the second oil duct 5 are set up in parallel, one end of the first oil duct 4 is connected with the first flexible conduit 6 by second hydraulic quick coupler 14, one end of the second oil duct 5 is connected with the second flexible conduit 15 by another second hydraulic quick coupler 14, the first flexible conduit 6 and the second flexible conduit 15 connect with hydraulic cylinder 2, a unidirectional adjustable throttling 13 is respectively installed on described the first oil duct 4 and the second oil duct 5, the first oil duct 4 is connected by solenoid-operated proportional reversal valve 12 with the second oil duct 5, solenoid-operated proportional reversal valve 12 is positioned at the top of unidirectional adjustable throttling 13, manual proportional pressure-reducing valve 8 is also installed on the first oil duct 4, the first oil duct 4 is connected with one end of the 3rd flexible conduit 9 by the first rapid-acting coupling 10, the other end of the 3rd flexible conduit 9 is connected with tensimeter 11.
Principle of work:
Support is ridden on bogie static test bed transition rail, support connecting hole is connected with testing table fixed rail 16 use bolts, primer fluid pressing system, hydraulic cylinder action, calibrates LOAD CELLS by the displayed value of pressure transducer.
Calibration principle: (for example output pressure is 9MPa to hydraulic power source output pressure, this pressure can carry out the adjusting of different range according to actual needs), by solenoid-operated proportional reversal valve 12, this pressure is adjusted to and demarcated required pressure, this pressure is converted to power output by hydraulic cylinder, pressure transducer 7 is loaded, demarcate by pressure transducer 7 and the numeric ratio of LOAD CELLS.
Demarcating steps:
1. hydraulic power source output pressure (for example output pressure is 9MPa, and this pressure can carry out the adjusting of different range according to actual needs);
2. solenoid-operated proportional reversal valve 12 is switched to the nextly, now hydraulic power source is communicated with hydraulic cylinder rodless cavity;
3. the pressure of hydraulic power source is progressively increased to the pressure that calibration system needs, for example 8MPa by the manual proportional pressure-reducing valve 8 of manual adjustments;
4. solenoid-operated proportional reversal valve 12 is switched to meta;
5. the pressure transducer 7 of pair calibration system and LOAD CELLS are carried out reading record (this step carries out data recording by calibration system personnel and curve generates);
6. solenoid-operated proportional reversal valve 12 is switched to upper, hydraulic cylinder return;
7. the manual proportional pressure-reducing valve 8 of manual adjustments, makes zero downstream pressure, now completes the measurement of a point of demarcation task;
8. carry out the timing signal of different power outputs, repeat above-mentioned steps 1～7;
9. demarcate and finish, cutting-off liquid potential source output pressure.
Present embodiment is the exemplary illustration to this patent just, does not limit its protection domain, and those skilled in the art can also change its part, as long as no the Spirit Essence that exceeds this patent, all in the protection domain of this patent.
Claims (2)
1. railway vehicle bogie static load test bench wheel load calibrating installation, it is characterized in that: described railway vehicle bogie static load test bench wheel load calibrating installation comprises support (1), hydraulic cylinder (2), multiple bolt of long stems (3) and pressure transducer (7), the cross section of described support (1) is is inverted U character form structure, the bottom of support (1) has connecting hole, on the top board of support (1), have installing port, the piston end of hydraulic cylinder (2) is placed in support (1) inside through the top board of support (1), and hydraulic cylinder (2) is fixedly connected on the top board of support (1) by multiple bolt of long stems (3), the pistons end of described hydraulic cylinder (2) is processed with screw thread, the pistons end of hydraulic cylinder (2) is threaded with pressure transducer (7).
2. railway vehicle bogie static load test bench wheel load calibrating installation according to claim 1, is characterized in that: described railway vehicle bogie static load test bench wheel load calibrating installation also comprises the first oil duct (4), the second oil duct (5), the first flexible conduit (6), the second flexible conduit (15), manually proportional pressure-reducing valve (8), the 3rd flexible conduit (9), the first rapid-acting coupling (10), tensimeter (11), solenoid-operated proportional reversal valve (12), two unidirectional adjustable throttlings (13) and two the second hydraulic quick couplers (14), described the first oil duct (4), the second oil duct (5), the first flexible conduit (6), the second flexible conduit (15), manually proportional pressure-reducing valve (8), the 3rd flexible conduit (9), the first rapid-acting coupling (10), tensimeter (11), solenoid-operated proportional reversal valve (12), two unidirectional adjustable throttlings (13), two the second hydraulic quick couplers (14) form hydraulic system with hydraulic cylinder (2), described the first oil duct (4) and the second oil duct (5) are set up in parallel, one end of the first oil duct (4) is connected with the first flexible conduit (6) by second hydraulic quick coupler (14), one end of the second oil duct (5) is connected with the second flexible conduit (15) by another second hydraulic quick coupler (14), the first flexible conduit (6) and the second flexible conduit (15) connect with hydraulic cylinder (2), on described the first oil duct (4) and the second oil duct (5), a unidirectional adjustable throttling (13) is respectively installed, the first oil duct (4) is connected by solenoid-operated proportional reversal valve (12) with the second oil duct (5), solenoid-operated proportional reversal valve (12) is positioned at the top of unidirectional adjustable throttling (13), manual proportional pressure-reducing valve (8) is also installed on the first oil duct (4), the first oil duct (4) is connected with one end of the 3rd flexible conduit (9) by the first rapid-acting coupling (10), the other end of the 3rd flexible conduit (9) is connected with tensimeter (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420044913.9U CN203657914U (en) | 2014-01-24 | 2014-01-24 | Rail vehicle bogie static load testing stand wheel load calibrating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420044913.9U CN203657914U (en) | 2014-01-24 | 2014-01-24 | Rail vehicle bogie static load testing stand wheel load calibrating device |
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| Publication Number | Publication Date |
|---|---|
| CN203657914U true CN203657914U (en) | 2014-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420044913.9U Expired - Lifetime CN203657914U (en) | 2014-01-24 | 2014-01-24 | Rail vehicle bogie static load testing stand wheel load calibrating device |
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| CN (1) | CN203657914U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108267163A (en) * | 2016-12-30 | 2018-07-10 | 罗伯特·博世有限公司 | The calibration system of sensor and video camera on vehicle |
-
2014
- 2014-01-24 CN CN201420044913.9U patent/CN203657914U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108267163A (en) * | 2016-12-30 | 2018-07-10 | 罗伯特·博世有限公司 | The calibration system of sensor and video camera on vehicle |
| CN108267163B (en) * | 2016-12-30 | 2022-11-01 | 罗伯特·博世有限公司 | Calibration system for sensors and cameras on a vehicle |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140618 |