CN210834203U - Brake clamp test device - Google Patents
Brake clamp test device Download PDFInfo
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- CN210834203U CN210834203U CN201922197473.6U CN201922197473U CN210834203U CN 210834203 U CN210834203 U CN 210834203U CN 201922197473 U CN201922197473 U CN 201922197473U CN 210834203 U CN210834203 U CN 210834203U
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Abstract
The utility model provides a brake clamp test device, includes the operation panel, test fixture and brake clamp mount pad, brake clamp fixed mounting is on brake clamp mount pad, test fixture includes parallel arrangement's left simulation brake disc and right simulation brake disc, still include the backup pad parallel with left simulation brake disc and right simulation brake disc between left simulation brake disc and right simulation brake disc, be connected with a drive unit in the backup pad, a drive unit can drive left simulation brake disc and right simulation brake disc and open or fold mutually opposite direction. Since the distance L1 between the outer end faces of the left and right dummy brake disks is equal to the wheel thickness L2 when the left and right dummy brake disks are closed to the initial position. Therefore, the braking stroke of the brake clamp can be conveniently obtained only by detecting the displacement of the left simulated brake disc and the right simulated brake disc when the left simulated brake disc and the right simulated brake disc are separated to be in contact with the brake clamp. The detection principle is simple, the operation is convenient, and the detection result is accurate.
Description
Technical Field
The utility model relates to a track traffic equipment technical field, in particular to braking clamp test device.
Background
The brake clamp unit is an important component of rail transportation equipment (including subways, state railings, city railings and the like), and is mainly used for braking between various locomotives and vehicles. Need carry out the test to its performance before the braking clamp unit installation is gone up, include: braking stroke, air tightness test, clearance adjustment test, parking cylinder performance and the like. The test bed for testing the brake clamp unit is used for testing the performance of the brake clamp unit before loading. The device has the functions of detecting the clamping force of the brake clamp, the brake stroke of the brake clamp and the like. The brake performance of the locomotive brake unit is ensured. In the prior art, a displacement sensor is mostly adopted to measure the displacement variation of the brake clamp to detect the brake stroke and the clamping force of the brake clamp, and a load sensor is adopted to measure the clamping force of the brake clamp.
Through patent search, the patent literature reports the same as the utility model are not found, and what is relevant to the utility model is the following:
1. the patent application number is CN201710004227, and the invention patent is named as a brake clamp test bed. The utility model discloses a brake clamp test bench, including the support that can fix the brake clamp, and can be at the perpendicular to support orientation go up linear reciprocating motion's carousel unit, two spacing units that can hoist and mount the brake clamp are installed to the support top, the first through-hole that can cup joint along the both ends of pressing from both sides tight direction with the brake clamp is seted up on the spacing unit, the support is provided with the first drive unit that can drive the brake clamp around first through-hole axis pivoted, the carousel unit includes that both sides face can be simultaneously by the tight carousel of brake clamp, and can support the second sliding seat of carousel both sides, the second sliding seat is connected with the second drive unit that can drive second sliding seat linear motion. The turntable unit in the comparison file does linear motion through the second driving unit, so that the turntable unit is difficult to keep in a parallel state all the time in the motion process, and a final detection result has certain deviation.
2. The utility model discloses a patent application number is "CN 201821918200", is named "railway vehicle brake clamp unit detection device". Disclosed is a railway vehicle brake caliper unit detecting device, including: a support mechanism; a plurality of displacement sensors mounted on the carriage mechanism; clamping force measuring mechanism, clamping force measuring mechanism pass through the rope body with gimbal mechanism and link to each other to make clamping force measuring mechanism can freely swing, clamping force measuring mechanism includes: a first dummy disc and a second dummy disc which are oppositely arranged; a plurality of shaft units mounted on the first dummy disc and the second dummy disc to be capable of causing a translation between the first dummy disc and the second dummy disc in directions toward each other; a first air cylinder disposed between the first dummy disc and the second dummy disc, and a force sensor for measuring a clamping force between the first dummy disc and the second dummy disc. The comparison file mainly solves the technical problem that a brake clamp unit is inconvenient to mount and position, a brake stroke is obtained by detecting a difference value through displacement twice, and the detection process is complex.
3. The invention has the patent application number of 'CN 201710082330' and is named as 'a detection device and a detection method of a high-speed train brake clamp unit'. The detection device comprises a moving platform, a brake caliper unit mounting interface module fixedly mounted on the moving platform, a false disc module and a vertical adjustment module; the false disc module comprises a displacement sensor, a weighing sensor, a displacement measurement right movable plate, a displacement measurement left movable plate and a false disc thickness adjusting block. The false disk module can realize the automation of displacement measurement through setting up the left and right movable plate of displacement measurement in this comparison file, what pay attention to in the clearance test process is that the braking is alleviated the change of distance between the brake lining support twice at the primary adjustment of braking clamp unit, maximum adjustment and release, and its detection principle is equally comparatively complicated, complex operation.
In summary, the brake clamp testing device provided in the art has a simple structure, a simple detection principle and convenient operation, and is of great significance.
SUMMERY OF THE UTILITY MODEL
For solving above-mentioned technical problem, the utility model discloses a technical scheme provide a brake caliper test device, including operation panel, test fixture and brake caliper mount pad, brake caliper fixed mounting is on brake caliper mount pad, test fixture includes parallel arrangement's left simulation brake disc and right simulation brake disc, still includes the backup pad parallel with left simulation brake disc and right simulation brake disc between left simulation brake disc and right simulation brake disc, be connected with first drive unit in the backup pad, first drive unit can drive left simulation brake disc and right simulation brake disc opposite direction and part or fold, when left simulation brake disc and right simulation brake disc fold to initial position, the distance L1 of the outside terminal surface of left simulation brake disc and right simulation brake disc equals wheel thickness L2.
Furthermore, the supporting plate and two sides perpendicular to the supporting plate are also connected with guide mechanisms, one ends of the guide mechanisms on the two sides are fixedly connected with the inner measuring end faces of the left simulation brake disc and the right simulation brake disc respectively, and the guide mechanisms are always perpendicular to the guide mechanisms when the left simulation brake disc and the right simulation brake disc are oppositely separated or folded.
Furthermore, the guide mechanism comprises at least two groups of guide rods and at least two groups of guide sleeves, and the two groups of guide rods and the two groups of guide sleeves are respectively positioned on two sides of the support plate; the guide sleeve is fixedly connected with the outer side face of the supporting plate, one end of the guide rod is sleeved with the guide sleeve, and the other end of the guide rod is fixedly connected with the inner side face of the left simulation brake disc or the right simulation brake disc.
Further, guide arm and guide pin bushing all include six groups, all connect three groups between left side simulation brake disc and backup pad and between right side simulation brake disc and the backup pad, just three guide arm of group and guide pin bushing are the distribution of delta font in the backup pad.
Further, the first driving unit comprises two air cylinders, the two air cylinders are respectively connected to opposite corners of the supporting plate, one air cylinder output end is connected with the left simulation brake disc, and the other air cylinder output end is connected with the right simulation brake disc.
Furthermore, the test tool and the brake clamp mounting seat are connected to the support, the support is provided with a slide rail, and the test tool is connected to the slide rail in a sliding mode and can move back and forth relative to the brake clamp mounting seat.
Furthermore, the bottom of the test tool further comprises a second driving unit, and the second driving unit can drive the test tool to reciprocate relative to the brake clamp mounting seat.
Furthermore, the brake clamp mounting seat comprises a first suspension mounting point and a second suspension mounting point, and the brake clamp is fixedly mounted on the brake clamp mounting seat through the first suspension mounting point and the second suspension mounting point.
Furthermore, a load sensor is connected to the center of the support plate, and when the left simulation brake disc and the right simulation brake disc are folded to the initial positions, the sensing ends of the load sensor are respectively in contact with the inner side faces of the left simulation brake disc and the right simulation brake disc.
Further, still include displacement sensor between left side simulation brake disc or right side simulation brake disc and the backup pad, displacement sensor fixed mounting is in the backup pad.
The utility model has the advantages of that.
1. The distance between the outer side end faces of the left simulation brake disc and the right simulation brake disc in the initial state is the thickness of the train wheel, so that the braking stroke of the braking clamp can be conveniently obtained only by detecting the displacement of the left simulation brake disc and the right simulation brake disc when the left simulation brake disc and the right simulation brake disc are separated to be in contact with the braking clamp. The detection principle is simple, the operation is convenient, and the detection result is accurate.
2. The left simulation brake disc and the right simulation brake disc are connected through the guide mechanism, so that the left simulation brake disc and the right simulation brake disc can be guaranteed to be in a parallel state all the time when being relatively separated or folded, and the accuracy of a detection result is guaranteed.
Drawings
FIG. 1 is a schematic view of the overall structure of a brake caliper test device;
FIG. 2 is a schematic view of a test fixture;
FIG. 3 is a top view of an initial position configuration of the test fixture;
fig. 4 is a structural schematic diagram of the relative positions of the brake caliper and the wheel.
Detailed Description
In order that those skilled in the art can fully practice the invention, the following detailed description of the invention is given with reference to the accompanying drawings.
As shown in fig. 1, 2 and 3: the utility model provides a brake caliper test device, includes operation panel 1, test fixture 2 and brake caliper mount pad 3, and brake caliper fixed mounting is on brake caliper mount pad 3, test fixture 2 includes parallel arrangement's left simulation brake disc 21 and right simulation brake disc 22, still includes the backup pad 23 parallel with left simulation brake disc 21 and right simulation brake disc 22 between left simulation brake disc 21 and right simulation brake disc 22, be connected with first drive unit 24 on the backup pad 23, first drive unit 24 can drive left simulation brake disc 21 and right simulation brake disc 22 and open or fold relatively to, and when left simulation brake disc 21 and right simulation brake disc 22 folded to initial position, the distance L1 of the outside terminal surface of left simulation brake disc 21 and right simulation brake disc 22 equals wheel thickness L2 and is shown as figure 3 and figure 4.
In the embodiment, the operating platform 1 provides control signals and power for the whole test device, and provides air sources for the brake clamps to drive the brake cylinders to act. In the detection process, the brake clamp is firstly installed on the brake clamp installation seat 3, and the brake clamp is adjusted to be in an initial separation state. The left simulated brake disc 21 and the right simulated brake disc 22 in the test tool 2 are controlled to be closed to the initial positions by the first driving unit 24, and the distance L1 between the outer side end faces of the left simulated brake disc 21 and the right simulated brake disc 22 is equal to the wheel thickness L2. The left and right dummy brake discs 21 and 22 are placed between the divided brake caliper, the first driving unit 24 is controlled to separate the left and right dummy brake discs 21 and 22 to bring the outer end surfaces thereof into contact with the inner end surfaces of the brake caliper, and the displacement of the left and right dummy brake discs 21 and 22 and the separation, which is the braking stroke of the brake caliper, is detected.
As shown in fig. 2 and 3: in order to keep the left simulated brake disc 21 and the right simulated brake disc 22 in a parallel state all the time in the opening and closing process, two sides of the support plate 23 in the direction perpendicular to the support plate are also connected with guide mechanisms, one ends of the guide mechanisms on the two sides are respectively and fixedly connected with the inner side end faces of the left simulated brake disc 21 and the right simulated brake disc 22, and the guide mechanisms are always kept perpendicular to the guide mechanisms when the left simulated brake disc 21 and the right simulated brake disc 22 are opened or closed relatively.
The guide mechanism comprises at least two groups of guide rods 25 and at least two groups of guide sleeves 26, and the two groups of guide rods 25 and the two groups of guide sleeves 26 are respectively positioned on two sides of the support plate 23; the guide sleeve 26 is fixedly connected with the outer side surface of the support plate 23, one end of the guide rod 25 is sleeved with the guide sleeve 26, and the other end of the guide rod is fixedly connected with the inner side surface of the left simulated brake disc 21 or the right simulated brake disc 22.
Preferably, the guide rods 25 and the guide sleeves 26 each include six sets, three sets are connected between the left simulated brake disc 21 and the support plate 23 and between the right simulated brake disc 22 and the support plate 23, and the three sets of guide rods 25 and the guide sleeves 26 are distributed on the support plate 23 in a delta shape. Therefore, the left simulated brake disc 21 and the right simulated brake disc 22 are stressed in the processes of separation and folding evenly, and the parallel state is ensured all the time. All seted up on left simulation brake disc 21 and right simulation brake disc 22 with guide arm 25 complex through-hole, for the precision and the slip of the direction of guaranteeing left simulation brake disc 21 and right simulation brake disc 22 smooth, consequently adopt the less aluminum plate of density as the substrate, set up high strength stainless steel backplate 200 at its lateral surface, backplate 200 plays the guard action through a plurality of countersunk screw and left simulation brake disc 21 and right simulation brake disc 22 fixed connection.
In the present embodiment, the first driving unit 24 includes two cylinders respectively connected to opposite corners of the support plate 23, one cylinder output end is connected to the left dummy disc 21, and the other cylinder output end is connected to the right dummy disc 22. Generally, the first driving unit 24 may be a cylinder, a motor, or other common driving devices. Since the brake caliper brake cylinder and the first drive unit 24 can share a common air supply in this embodiment, the use of air cylinders can reduce drive system components.
The test fixture 2 and the brake clamp mounting seat 3 are both connected to the support 4, a sliding rail is arranged on the support 4, and the test fixture 2 is connected to the sliding rail in a sliding mode and can move back and forth relative to the brake clamp mounting seat 3. In this embodiment, the brake caliper mount 3 and the bracket 4 remain fixedly connected. There is base 201 test fixture 2 bottom, and the bottom of base 201 has the recess with the slide rail complex on the support 4. The distance between the test tool 2 and the brake clamp mounting seat 3 can be adjusted through the sliding connection of the sliding rails on the base 201 and the support 4, and the brake clamp is convenient to mount and dismount. On the support 4, the central axes of the brake clamp mounting seat 3 and the test fixture 2 are positioned on the same straight line, so that the transverse relative distance between the test fixture 2 and the brake clamp does not need to be adjusted in the detection process.
The bottom of the test tool 2 further comprises a second driving unit 27, and the second driving unit 27 can drive the test tool 2 to reciprocate relative to the brake clamp mounting seat 3. In this embodiment, the second driving unit 27 uses an air cylinder as a driving device, and the air cylinder is controlled by the console 1 to automatically control the testing tool 2 to reciprocate relative to the brake caliper mounting base 3.
The brake caliper mounting seat 3 comprises a first suspension mounting point 31 and a second suspension mounting point 32, and the brake caliper is fixedly mounted on the brake caliper mounting seat 3 through the first suspension mounting point 31 and the second suspension mounting point 32. And during the installation of the brake clamp, the top installation position of the brake clamp is connected with the second suspension installation point 32 through a bolt, the side installation position of the brake clamp is connected with the first suspension installation point 31 through a bolt, and under the action of the first suspension installation point 31 and the second suspension installation point 32, the brake clamp keeps a free and vertical installation state which is consistent with the installation state on the train.
A load sensor 28 is connected to the center of the support plate 23, and when the left and right dummy brake discs 21 and 22 are folded to the initial position, the sensing end of the load sensor 28 is in contact with the inner side surfaces of the left and right dummy brake discs 21 and 22, respectively. When the clamping force of the brake clamp is detected, the operation table 1 controls the brake cylinder of the brake clamp to act, so that the brake clamp is switched on and is in contact with and pressed against the left simulated brake disc 21 and the right simulated brake disc 22 which are located at the initial closing position, the inner side surfaces of the left simulated brake disc 21 and the right simulated brake disc 22 are further in contact with and press the sensing end of the load sensor 28, and at the moment, the clamping force of the brake clamp can be detected through the load sensor 28.
And a displacement sensor 29 is further arranged between the left simulated brake disc 21 or the right simulated brake disc 22 and the support plate 23, and the displacement sensor 29 is fixedly arranged on the support plate 23.
Obviously, the above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. The utility model provides a brake clamp test device, includes operation panel (1), test fixture (2) and brake clamp mount pad (3), brake clamp fixed mounting is on brake clamp mount pad (3), its characterized in that: test fixture (2) still include backup pad (23) parallel with left simulation brake disc (21) and right simulation brake disc (22) between left simulation brake disc (21) and right simulation brake disc (22) including parallel arrangement's left simulation brake disc (21) and right simulation brake disc (22), be connected with first drive unit (24) on backup pad (23), first drive unit (24) can drive left simulation brake disc (21) and right simulation brake disc (22) and separate or fold relatively to, when left simulation brake disc (21) and right simulation brake disc (22) fold to initial position, the distance L1 of the outside terminal surface of left simulation brake disc (21) and right simulation brake disc (22) equals wheel thickness L2.
2. The brake caliper test apparatus of claim 1, wherein: the two sides of the support plate (23) in the direction perpendicular to the support plate are also connected with guide mechanisms, one ends of the guide mechanisms on the two sides are fixedly connected with the inner measuring end faces of the left simulation brake disc (21) and the right simulation brake disc (22) respectively, and the left simulation brake disc (21) and the right simulation brake disc (22) are kept perpendicular to the guide mechanisms all the time when being separated or folded relatively.
3. The brake caliper test apparatus of claim 2, wherein: the guide mechanism comprises at least two groups of guide rods (25) and at least two groups of guide sleeves (26), and the two groups of guide rods (25) and the two groups of guide sleeves (26) are respectively positioned on two sides of the support plate (23); the guide sleeve (26) is fixedly connected with the outer side face of the support plate (23), one end of the guide rod (25) is sleeved with the guide sleeve (26), and the other end of the guide rod is fixedly connected with the inner side face of the left simulation brake disc (21) or the right simulation brake disc (22).
4. A brake caliper test apparatus as claimed in claim 3, wherein: guide arm (25) and guide pin bushing (26) all include six groups, all connect three groups between left simulation brake disc (21) and backup pad (23) and between right simulation brake disc (22) and backup pad (23), just three groups of guide arm (25) and guide pin bushing (26) are the distribution of delta font on backup pad (23).
5. The brake caliper test apparatus of any one of claims 1-4, wherein: the first driving unit (24) comprises two air cylinders which are respectively connected to opposite corners of the supporting plate (23), one air cylinder output end is connected with the left simulation brake disc (21), and the other air cylinder output end is connected with the right simulation brake disc (22).
6. The brake caliper test apparatus of claim 5, wherein: the test fixture (2) and the brake clamp mounting seat (3) are connected to the support (4), a sliding rail is arranged on the support (4), and the test fixture (2) is connected to the sliding rail in a sliding mode and can move back and forth relative to the brake clamp mounting seat (3).
7. The brake caliper test apparatus of claim 6, wherein: the bottom of the test tool (2) further comprises a second driving unit (27), and the second driving unit (27) can drive the test tool (2) to move back and forth relative to the brake clamp mounting seat (3).
8. The brake caliper test apparatus of claim 7, wherein: the brake caliper mounting seat (3) comprises a first suspension mounting point (31) and a second suspension mounting point (32), and the brake caliper is fixedly mounted on the brake caliper mounting seat (3) through the first suspension mounting point (31) and the second suspension mounting point (32).
9. The brake caliper test apparatus of claim 8, wherein: and a load sensor (28) is connected to the center of the support plate (23), and when the left simulated brake disc (21) and the right simulated brake disc (22) are folded to initial positions, the sensing end of the load sensor (28) is respectively contacted with the inner side surfaces of the left simulated brake disc (21) and the right simulated brake disc (22).
10. The brake caliper test apparatus of claim 9, wherein: still include displacement sensor (29) between left side simulation brake disc (21) or right side simulation brake disc (22) and backup pad (23), displacement sensor (29) fixed mounting is on backup pad (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922197473.6U CN210834203U (en) | 2019-12-10 | 2019-12-10 | Brake clamp test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922197473.6U CN210834203U (en) | 2019-12-10 | 2019-12-10 | Brake clamp test device |
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| Publication Number | Publication Date |
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| CN210834203U true CN210834203U (en) | 2020-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922197473.6U Active CN210834203U (en) | 2019-12-10 | 2019-12-10 | Brake clamp test device |
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| CN (1) | CN210834203U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112284774A (en) * | 2020-09-10 | 2021-01-29 | 眉山中车制动科技股份有限公司 | Clamp performance test station and detection method |
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2019
- 2019-12-10 CN CN201922197473.6U patent/CN210834203U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112284774A (en) * | 2020-09-10 | 2021-01-29 | 眉山中车制动科技股份有限公司 | Clamp performance test station and detection method |
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