CN204536014U - Railway freight-car friction factor pick-up unit - Google Patents
Railway freight-car friction factor pick-up unit Download PDFInfo
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- CN204536014U CN204536014U CN201520265620.8U CN201520265620U CN204536014U CN 204536014 U CN204536014 U CN 204536014U CN 201520265620 U CN201520265620 U CN 201520265620U CN 204536014 U CN204536014 U CN 204536014U
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- screw
- slide
- pressure sensor
- clamp
- ball
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Abstract
The utility model discloses a kind of railway freight-car friction factor pick-up unit, complete machine is made up of device chassis, clamp system, running mechanism, friction mechanism, and described clamp system is made up of reducing motor 1, T-shaped screw-threaded shaft elevator, T-shaped leading screw, lifter pedestal, guide rod, pull pressure sensor 1, left clamp, right clamp, spring; Described running mechanism is made up of line slideway 1, line slideway 2, slide 1, slide 2, slide 3; Described friction mechanism by ball-screw, support, reducing motor 2, ball screw type elevator, pull pressure sensor 2, grinder is filled, friction steel plate forms.Railway freight-car friction factor pick-up unit can detect the friction factor of the rapid wear attrition component that railway freight-car uses, for new wear material provides test basis, also for the rapid wear attrition component product of railway freight-car manufacturer provides measuring means, ensure the serviceable life of railway freight-car, extend the time between overhauls(TBO), reduce the cost of overhaul.
Description
Technical field
The utility model is a kind of device detected for railway freight-car friction factor, belongs to the specialized equipment that railway freight-car friction factor detects.
Background technology
The railway truck's accessories such as side bearing wear plate friction pair, cartridge abrasion dish friction pair, wedge friction plate friction pair are all rapid wear attrition components, along with China railways lorry develops to high-speed overload, the frequency that these rapid wear attrition components are changed, in quickening, makes the time between overhauls(TBO) have in advance.Railway scientific research department constantly researches and develops new technology, new material for this reason, to improve the serviceable life of these rapid wear attrition components, have developed the friction factor pick-up unit that can detect these rapid wear attrition component important parameters putting us before this, for new wear material provides test basis, also for the rapid wear attrition component product of railway freight-car manufacturer provides measuring means, ensure the serviceable life of railway freight-car, extend the time between overhauls(TBO), reduce the cost of overhaul.
Utility model content
In order to overcome above-mentioned deficiency, the utility model provides a kind of automated friction, the railway freight-car friction factor pick-up unit of test automatically, ensures overhaul efficiency, enhances productivity.
To achieve these goals, the utility model is by the following technical solutions:
A kind of railway freight-car friction factor pick-up unit, it is characterized in that: complete machine is by device chassis (1), clamp system (24), running mechanism (25), friction mechanism (26) forms, described clamp system (24) is by reducing motor 1 (3), T-shaped screw-threaded shaft elevator (4), T-shaped leading screw (5), lifter pedestal (6), guide rod (7), pull pressure sensor 1 (8), left clamp (9), right clamp (18), spring (21) forms, described reducing motor 1 (3), T-shaped screw-threaded shaft elevator (4) installs lifter pedestal (6) right side, described lifter pedestal (6) and right clamp (18) are connected by guide rod (7) and form stable frame mechanism, described left clamp (9) can in lifter pedestal (6), right clamp moves left and right between (18), namely described reducing motor 1 (3) can drive the pull pressure sensor 1 (8) that the T-shaped leading screw (5) in T-shaped screw-threaded shaft elevator (4) and T-shaped leading screw (5) connect, left clamp (9) horizontally slips and realizes clamping and the action of unclamping, described T-shaped leading screw (5) is connected by pull pressure sensor 1 (8) with left clamp (9), described spring (21) is arranged on left clamp (9) center section and is connected to pressure transducer 1 (8) connection, buffer action can be played, avoid damaging pull pressure sensor 1 (8) during clamping.
Preferably, described running mechanism (25) is by line slideway 1 (2), line slideway 2 (19), slide 1 (23), slide 2 (22), slide 3 (20) forms, lifter pedestal (6) in described clamp system (24), left clamp (9), right clamp (18) is separately fixed at slide 1 (23), slide 2 (22), on slide 3 (20), described slide 1 (23), slide 2 (22) is arranged on line slideway 1 (2) and can horizontally slips, described slide 3 (20) is arranged on line slideway 2 (19) and can horizontally slips.
Preferably, described friction mechanism (26) is by ball-screw (13), support (10), reducing motor 2 (11), ball screw type elevator (12), pull pressure sensor 2 (14), to grinder dress (15), friction steel plate (16) forms, and reducing motor 2 (11) is equipped with in described support (10) top, ball screw type elevator (12), ball-screw (13), pull pressure sensor 2 (14) is equipped with in described support (10) below, to grinder dress (15), described friction steel plate (16) is contained in grinder dress (15) both sides, described ball screw type elevator (12) and pull pressure sensor 2 (14), grinder dress (15) is connected by ball-screw (13), the pull pressure sensor 2 (14) that described reducing motor 2 (11) drives the ball-screw (13) in ball screw type elevator (12) and ball-screw (13) to connect, grinder dress (15) is moved up and down survey friction force.
The beneficial effects of the utility model: reasonable in design, compact conformation, technique are advanced, easy and simple to handle, stable, automaticity is higher, are the ideal equipment for railway freight-car friction factor pick-up unit.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Fig. 1: the front view of the utility model structure
Fig. 2: the vertical view of the utility model structure
In figure: equipment comprises device chassis (1), line slideway 1 (2), reducing motor 1 (3), T-shaped screw-threaded shaft elevator (4), T-shaped leading screw (5), lifter pedestal (6), guide rod (7), pull pressure sensor 1 (8), left clamp (9), support (10), reducing motor 2 (11), ball screw type elevator (12), ball-screw (13), pull pressure sensor 2 (14), to grinder dress (15), friction steel plate (16), right clamp (18), line slideway 2 (19), slide 3 (20), spring (21), slide 2 (22), slide 1 (23), clamp system (24), running mechanism (25), friction mechanism (26).
Embodiment
Refer to accompanying drawing 1, 2: railway freight-car friction factor pick-up unit is by device chassis (1), line slideway 1 (2), reducing motor 1 (3), T-shaped screw-threaded shaft elevator (4), T-shaped leading screw (5), lifter pedestal (6), guide rod (7), pull pressure sensor 1 (8), left clamp (9), support (10), reducing motor 2 (11), ball screw type elevator (12), ball-screw (13), pull pressure sensor 2 (14), to grinder dress (15), friction steel plate (16), right clamp (18), line slideway 2 (19), slide 3 (20), spring (21), slide 2 (22), slide 1 (23), clamp system (24), running mechanism (25), friction mechanism (26) forms,
Refer to accompanying drawing 1,2: the left side of testpieces (17) being placed respectively left clamp (9) right side and right clamp (18), there are slide 1 (23), slide 2 (22) in running mechanism (25) cathetus guide rail 1 (2) top of described underframe (1) top and are fixed on lifter pedestal (6), the left clamp (9) of slide 1 (23), slide 2 (22) top.There is slide 3 (20) described line slideway 2 (19) top and is fixed on the right clamp (18) on slide 3 (20), described lifter pedestal (6), guide rod (7), right clamp (18) form stable framed structure, the positioning datum of clamp system (24) is to grinder dress (15), and this structure is guaranteed only to be subject to clamping force in the horizontal direction to grinder dress (15).
Described reducing motor 1 (3) is the power source of clamp system (24), its power flows to T-shaped screw-threaded shaft elevator (4), the T-shaped leading screw (5) of T-shaped screw-threaded shaft elevator (4) is stretched out, T-shaped leading screw (5) drives pull pressure sensor 1 (8), left clamp (9) moves right relative to lifter pedestal (6), coordinates realize pinching action with right clamp (18).Spring (21) wherein in left clamp (9) plays buffer action, avoids damaging pull pressure sensor 1 (8) during clamping.After clamping, friction testing starts, the pull pressure sensor 2 (14) that the reducing motor 2 (11) being namely arranged on support (10) top in described friction mechanism (26) drives the ball-screw (13) in ball screw type elevator (12) and ball-screw (13) to connect, pull pressure sensor 2 (14) simultaneously that grinder dress (15) pumped constantly measure grinder dress (15) left and right sides is installed friction steel plate (16 with the friction force of testpieces (17).
After measurement, described reducing motor 1 (3) power flows to T-shaped screw-threaded shaft elevator (4), the T-shaped leading screw (5) of T-shaped screw-threaded shaft elevator (4) is regained, T-shaped leading screw (5) drives pull pressure sensor 1 (8), left clamp (9) is moved to the left relative to lifter pedestal (6), coordinates realization to unclamp action with right clamp (18).
Described pull pressure sensor 1 (8) is for the clamping force measured and control between left clamp (9), right clamp (18), and pull pressure sensor 2 (14) is for measuring the friction force between friction steel plate (16) and measured workpiece (17).During test, the numerical evaluation can fed back according to pressure transducer 1 (8) and pull pressure sensor 2 (14) draws the friction factor of measured workpiece.
Claims (3)
1. a railway freight-car friction factor pick-up unit, is characterized in that: complete machine is by device chassis (1), clamp system (24), running mechanism (25), friction mechanism (26) forms, and described clamp system (24) is by reducing motor 1 (3), T-shaped screw-threaded shaft elevator (4), T-shaped leading screw (5), lifter pedestal (6), guide rod (7), pull pressure sensor 1 (8), left clamp (9), right clamp (18), spring (21) forms, described reducing motor 1 (3), T-shaped screw-threaded shaft elevator (4) installs lifter pedestal (6) right side, described lifter pedestal (6), guide rod (7), right clamp (18) forms stable frame mechanism, and described left clamp (9) can in lifter pedestal (6), right clamp moves left and right between (18), and namely described reducing motor 1 (3) can drive the pull pressure sensor 1 (8) that the T-shaped leading screw (5) in T-shaped screw-threaded shaft elevator (4) and T-shaped leading screw (5) connect, left clamp (9) horizontally slips and realizes clamping and the action of unclamping, described T-shaped leading screw (5) is connected by pull pressure sensor 1 (8) with left clamp (9), described spring (21) is arranged on left clamp (9) center section and is connected to pressure transducer 1 (8) connection, can buffer action be played, avoid damaging pull pressure sensor 1 (8) during clamping.
2. railway freight-car friction factor pick-up unit according to claim 1, it is characterized in that described running mechanism (25) is by line slideway 1 (2), line slideway 2 (19), slide 1 (23), slide 2 (22), slide 3 (20) forms, lifter pedestal (6) in described clamp system (24), left clamp (9), right clamp (18) is separately fixed at slide 1 (23), slide 2 (22), on slide 3 (20), described slide 1 (23), slide 2 (22) is arranged on line slideway 1 (2) and can horizontally slips, described slide 3 (20) is arranged on line slideway 2 (19) and can horizontally slips.
3. railway freight-car friction factor pick-up unit according to claim 1, is characterized in that described friction mechanism (26) is by ball-screw (13), support (10), reducing motor 2 (11), ball screw type elevator (12), pull pressure sensor 2 (14), to grinder dress (15), friction steel plate (16) forms, and reducing motor 2 (11) is equipped with in described support (10) top, ball screw type elevator (12), ball-screw (13), pull pressure sensor 2 (14) is equipped with in described support (10) below, to grinder dress (15), described friction steel plate (16) is contained in grinder dress (15) both sides, described ball screw type elevator (12) and pull pressure sensor 2 (14), grinder dress (15) is connected by ball-screw (13), the pull pressure sensor 2 (14) that described reducing motor 2 (11) drives the ball-screw (13) in ball screw type elevator (12) and ball-screw (13) to connect, grinder dress (15) is moved up and down survey friction force.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520265620.8U CN204536014U (en) | 2015-04-24 | 2015-04-24 | Railway freight-car friction factor pick-up unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520265620.8U CN204536014U (en) | 2015-04-24 | 2015-04-24 | Railway freight-car friction factor pick-up unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204536014U true CN204536014U (en) | 2015-08-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520265620.8U Expired - Fee Related CN204536014U (en) | 2015-04-24 | 2015-04-24 | Railway freight-car friction factor pick-up unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204536014U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105043790A (en) * | 2015-04-24 | 2015-11-11 | 齐齐哈尔四达铁路设备有限责任公司 | Railway freight car friction coefficient detecting device |
| CN111638126A (en) * | 2020-05-20 | 2020-09-08 | 哈尔滨工业大学 | Experimental device for testing friction self-excited vibration of rubber material |
-
2015
- 2015-04-24 CN CN201520265620.8U patent/CN204536014U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105043790A (en) * | 2015-04-24 | 2015-11-11 | 齐齐哈尔四达铁路设备有限责任公司 | Railway freight car friction coefficient detecting device |
| CN111638126A (en) * | 2020-05-20 | 2020-09-08 | 哈尔滨工业大学 | Experimental device for testing friction self-excited vibration of rubber material |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20150805 Termination date: 20210424 |