CN222812559U - A retarder performance calibrator - Google Patents
A retarder performance calibrator Download PDFInfo
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- CN222812559U CN222812559U CN202421679614.2U CN202421679614U CN222812559U CN 222812559 U CN222812559 U CN 222812559U CN 202421679614 U CN202421679614 U CN 202421679614U CN 222812559 U CN222812559 U CN 222812559U
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Abstract
一种减速顶性能标定仪，涉及减速顶检测设备，为了解决对减速顶进行人工判别，造成现场检测准确性差的问题。本新型的机架通过抓轨组件固定在钢轨上；所述压顶模组设置在机架上，并且压顶模组能够将减速顶的帽头下压到工作距离；所述压力传感器设置在压顶模组底部，用于获取固定在钢轨上的减速顶帽头的油气反力；所述位移传感器设置在机架上，用于获取减速顶帽头的运动行程。有益效果为通过位移传感器与压力传感器相结合的检测结构，有效精确的对现场减速顶性能的把控，保障减速顶没有因性能不合格而影响编组站编组的使用，提高了对减速顶现场检测的准确性。
A deceleration top performance calibrator relates to deceleration top detection equipment, in order to solve the problem of poor accuracy of on-site detection caused by manual identification of the deceleration top. The frame of the new type is fixed on the rail through a rail grabbing assembly; the pressing top module is arranged on the frame, and the pressing top module can press the cap of the deceleration top down to the working distance; the pressure sensor is arranged at the bottom of the pressing top module, and is used to obtain the oil and gas reaction force of the deceleration top cap fixed on the rail; the displacement sensor is arranged on the frame, and is used to obtain the movement stroke of the deceleration top cap. The beneficial effect is that through the detection structure combining the displacement sensor and the pressure sensor, the performance of the deceleration top on site can be effectively and accurately controlled, ensuring that the deceleration top does not affect the use of the marshaling yard due to unqualified performance, and improving the accuracy of on-site detection of the deceleration top.
Description
Technical Field
The utility model relates to a retarder detection device.
Background
The retarder is widely applied to a speed regulation station, the detection and maintenance work of the retarder directly relate to the use state and the driving safety of equipment, the on-site detection of the retarder is a working premise of the maintenance and the maintenance of the retarder and is also a basis of the maintenance and the maintenance of the retarder and is further a guarantee of the normal work of the retarder, the on-site detection in the past relies on the experience of maintenance personnel to manually judge the retarder, but the manual judgment cannot scientifically and accurately mark the parameters of the equipment, so that the on-site detection standard is not uniform, the detection accuracy is poor, the maintenance quality is difficult to guarantee, and the use safety of the retarder equipment is affected.
Disclosure of utility model
The utility model aims to solve the problem of poor on-site detection accuracy caused by manual discrimination of a retarder, and provides a retarder performance calibration instrument.
The utility model relates to a retarder performance calibration instrument which comprises a rack, a top pressing module, a rail grabbing assembly, a pressure sensor and a displacement sensor, wherein the rack is arranged on the top pressing module;
the frame is fixed on the steel rail through a rail grabbing assembly;
The capping module is arranged on the frame and can press the cap head of the retarder down to a working distance;
the pressure sensor is arranged at the bottom of the capping module and is used for acquiring oil-gas counterforce of a speed reduction top cap head fixed on a steel rail;
The displacement sensor is arranged on the frame and used for acquiring the movement stroke of the speed reduction top cap head.
Further, the calibration instrument also comprises a digital display box;
The pressure signal output end of the pressure sensor is connected with the pressure signal input end of the digital display box;
the displacement signal output end of the displacement sensor is connected with the displacement signal input end of the digital display box;
The digital display box is arranged at the top end of the rack and is used for displaying pressure signals of the pressure sensor and displacement signals of the displacement sensor.
Further, the jacking module comprises a compression bar, a support bar, a connecting block, a guide bar, a spring, a cantilever shaft seat, a cantilever shaft, a guide bar bottom block fixing piece, a pressure sensor adapter, a sensing head and a bushing;
The pressure lever is of a rod-shaped structure, and one end of the pressure lever is axially connected to the cantilever shaft seat through the cantilever shaft;
the cantilever shaft seat is fixed on the frame;
One end of the supporting rod is connected with the middle part of the pressing rod in a shaft way, and the other end of the supporting rod is connected with the connecting block in a shaft way;
the connecting block is fixed at the top end of the guide rod;
the bushing is arranged inside the frame, and the guide rod passes through the bushing;
The guide rod bottom block fixing piece is fixed at the bottom end of the guide rod;
The spring is arranged along the guide rod and is positioned between the bushing and the connecting block;
The pressure sensor adapter is used for fixing the pressure sensor at the bottom of the guide rod bottom block fixing piece;
The sensing head is fixed at the bottom of the pressure sensor, and when the sensing head contacts with the center of the speed reduction top cap head, the displacement sensor starts to measure.
Further, the frame comprises an upright post and a cross beam;
the upright post is arranged at the top end of the rail grabbing assembly;
The digital display box is fixed at the top end of the upright post;
One end of the cross beam is fixed in the middle of the side wall of the upright post, and the two ends are mutually perpendicular;
the cantilever shaft seat is fixed at the upper part of the side wall of the upright post;
The bushing of the capping module is arranged inside the cross beam.
Further, the frame further comprises an angle code;
The corner connector is arranged at the fixed position of the cross beam and the upright post.
Further, the frame also comprises a handle;
The handle is U-shaped, the open end of the U-shaped handle is fixed on the side wall of the upright post, and the handle is positioned between the cross beam and the digital display box.
Further, the frame also comprises an armrest;
the armrests are arranged on the upper surface of the cross beam.
Further, the calibration instrument also comprises a displacement sensor bracket;
The displacement sensor support is arranged on the upper surface of the cross beam, and the displacement sensor is fixed on the displacement sensor support.
Further, the rail grabbing assembly comprises a contact plate and a fastener;
The contact plate is of a plate-shaped structure and is arranged between the frame and the steel rail;
The cross section of the fastener is L-shaped, and the fastener is fixedly connected with the contact plate to form a fixing groove, and the fixing groove is used for clamping the upper end of the steel rail in the fixing groove.
Further, the calibration instrument also comprises a cantilever bearing seat and a bearing;
The cantilever bearing seat is fixed on the rail grabbing assembly, and a cantilever of the cantilever bearing seat extends to the retarder;
The bearing is fixed at the front end of the cantilever bearing seat, and contacts with the upper end surface of the steel rail when the rail grabbing assembly is separated from the steel rail.
Compared with the prior art, the utility model has the advantages that the oil gas counter force of the retarder is measured by the pressure sensor through the structure cooperation of the frame and the capping module, the movement stroke of the cap head of the retarder is measured by the displacement sensor, the retarder with unqualified performance can be effectively provided by displaying through the digital display box, the performance of the retarder on site is effectively and accurately controlled through the detection structure combining the displacement sensor and the pressure sensor, and the use of marshalling stations for marshalling is not influenced by unqualified performance of the retarder.
Drawings
FIG. 1 is a schematic diagram of a front structure of a retarder performance calibrator according to an embodiment;
FIG. 2 is a schematic diagram showing a pre-pressing state structure of a retarder performance calibrator before a capping test according to an embodiment;
FIG. 3 is a schematic diagram of a motion state structure of a capping module of a retarder performance calibrator in a capping test according to an embodiment;
FIG. 4 is a schematic structural view of a digital display box according to the first embodiment;
FIG. 5 is a schematic structural view of a roof pressing module in a third embodiment;
FIG. 6 is a cross-sectional view of a roof module in a third embodiment;
fig. 7 is a schematic structural diagram of a rack in a fourth embodiment;
FIG. 8 is a schematic diagram of a retarder performance calibrator in a normal deformed state according to a tenth embodiment;
Wherein 1 is a steel rail; 2 is a retarder, 3 is a frame, 3-1 is a column, 3-2 is a cross beam, 3-3 is an angle code, 3-4 is a handle, 3-5 is a handrail, 4 is a capping module, 4-1 is a compression bar, 4-2 is a support bar, 4-3 is a connecting block, 4-4 is a guide rod, 4-5 is a spring, 4-6 is a cantilever shaft seat, 4-7 is a cantilever shaft, 4-8 is a guide rod bottom block fixing piece, 4-9 is a pressure sensor adapter, 4-10 is a sensing head, 4-11 is a bushing, 5 is a rail grabbing component, 5-1 is a contact plate, 5-2 is a fastener, 6 is a digital display box, 7 is a pressure sensor, 8 is a displacement sensor, 9 is a displacement sensor bracket, 10 is a bearing, and 11 is a cantilever bearing seat.
Detailed Description
The first embodiment is described with reference to fig. 1 to 3, and the calibration apparatus according to the present embodiment includes a frame 3, a capping module 4, a rail grabbing assembly 5, a pressure sensor 7, and a displacement sensor 8;
the frame 3 is fixed on the steel rail 1 through a rail grabbing assembly 5;
The capping module 4 is arranged on the frame 3, and the capping module 4 can press down the cap head of the retarder 2 to a working distance;
The pressure sensor 7 is arranged at the bottom of the capping module 4 and is used for acquiring oil-gas reaction force of the cap head of the retarder 2 fixed on the steel rail 1;
the displacement sensor 8 is arranged on the frame 3 and used for acquiring the movement stroke of the cap head of the retarder 2.
The working principle of the retarder performance calibration instrument is that a rack 3 is fixed on a steel rail 1 by utilizing a rail grabbing assembly 5, so that the rack 3 is kept in a vertical state, a capping module of the rack 3 is aligned to the center of a cap head of a retarder 2, the capping module 4 is used for manually applying pressure to enable the cap head of the retarder 2 to be pressed down to a working distance, in the pressing process of the capping module 4, the oil gas counter force of the retarder 2 is measured by means of a pressure sensor 7, meanwhile, the movement stroke of the cap head of the retarder 2 is measured by means of a displacement sensor, finally, whether the detected retarder 2 is qualified or not is judged by judging the oil gas counter force of the retarder 2 and the movement stroke of the cap head of the retarder 2, the accuracy of on-site detection of the retarder 2 is improved, the on-site retarder 2 performance is effectively and accurately controlled, and the use of marshalling stations is not affected by disqualification of the performance.
In the embodiment, FIG. 2 shows a pre-pressing state before a calibration instrument pressing test state, a frame 3 is fixed on a steel rail 1 through a rail grabbing assembly 5, a cap head of a retarder 2 is pressed down to a working distance through a pressing module 4 to start detection, FIG. 3 shows movement of the pressing module in the calibration instrument pressing test state, the frame 3 is held by a left hand, pressure is manually applied on the pressing module 4, after the cap head of the retarder 2 is pressed down to the working distance, after the cap head is stabilized, the pressure is manually applied, the pressing module 4 is released, the pressing module 4 is reset, after the steps are completed, the steps are repeated to perform the next test of the retarder 2 until all the retarders 2 are tested
A second embodiment is described with reference to fig. 4, which further defines a retarder performance calibrator according to the first embodiment, where the calibrator further includes a digital display box 6;
The pressure signal output end of the pressure sensor 7 is connected with the pressure signal input end of the digital display box 6;
The displacement signal output end of the displacement sensor 8 is connected with the displacement signal input end of the digital display box 6;
The digital display box 6 is arranged at the top end of the frame 3, and the digital display box 6 is used for displaying the pressure signal of the pressure sensor 7 and the displacement signal of the displacement sensor 8.
In this embodiment, as shown in fig. 4, the digital display box 6 has four keys, a charging connector, a data connection interface and a digital display screen, the digital display screen can accurately display various values and data, the digital display box 6 has functions of storing and transmitting data, the digital display box 6 is convenient and quick, meanwhile, alarming and marking the data with errors can be performed, the accuracy of the data is guaranteed, the charging connector is used for charging the digital display box 6 and guaranteeing the power consumption of the digital display box 6, the data connection interface is used for conveniently transmitting the data, the four keys are a power key, a stop key, a start key and a confirmation key respectively, wherein the power key is used for the digital display box 6 to be powered on, the stop key is used for alarming after the digital display box 6 recognizes the data with errors, the stop key is used for ending the alarming, the digital display box 6 enters a non-working standby state, the start key is used for enabling the digital display box 6 to enter a testing working state, and the confirmation key is used for adjusting the digital display box 6 to a zero state. After the test is finished, the digital display box 6 is closed and charged back, whether the integral structure of the calibration instrument is in a loose state or not is checked, the calibration detection of the retarder 2 is completed, a start key of the digital display box 6 is turned on, a digital display screen of the digital display box 6 is adjusted to a zero state, the state is adjusted to be the optimal state for the use test of the retarder performance calibration instrument, pressure is manually applied to the capping module 4, and the cap head of the retarder 2 is pressed down to a position exceeding the standard working distance (60 mm) and then can be reset. The digital display box 6 automatically collects the instantaneous pressure value reaching 60mm as a displayed numerical value, and a tester checks and records the test value to judge whether the test value of the retarder meets the requirement. Repeating the steps to test the next retarder 2 until all the retarder 2 is tested.
In the third embodiment, the present embodiment is further defined by describing the retarder performance calibrator according to the first embodiment, where the capping module 4 includes a compression bar 4-1, a support bar 4-2, a connection block 4-3, a guide bar 4-4, a spring 4-5, a cantilever shaft seat 4-6, a cantilever shaft 4-7, a guide bar bottom block fixing member 4-8, a pressure sensor adapter 4-9, a sensing head 4-10, and a bushing 4-11;
The compression bar 4-1 is in a rod-shaped structure, and one end of the compression bar 4-1 is connected to the cantilever shaft seat 4-6 through the cantilever shaft seat 4-7;
The cantilever shaft seat 4-6 is fixed on the frame 3;
One end of the supporting rod 4-2 is connected with the middle part of the pressing rod 4-1 in a shaft way, and the other end of the supporting rod 4-2 is connected with the connecting block 4-3 in a shaft way;
The connecting block 4-3 is fixed at the top end of the guide rod 4-4;
the bushing 4-11 is arranged inside the frame 3, and the guide rod 4-4 passes through the bushing 4-11;
The guide rod bottom block fixing piece 4-8 is fixed at the bottom end of the guide rod 4-4;
The spring 4-5 is arranged along the guide rod 4-4, and the spring 4-5 is positioned between the bushing 4-11 and the connecting block 4-3;
the pressure sensor adapter 4-9 is used for fixing the pressure sensor 7 at the bottom of the guide rod bottom block fixing piece 4-8;
The sensor head 4-10 is fixed at the bottom of the pressure sensor 7, and when the sensor head 4-10 contacts with the center of the cap head of the retarder 2, the displacement sensor 8 starts to measure.
In the embodiment, the pressure lever 4-1 is used as a medium for manually applying pressure, the pressure lever 4-1 is operated to press downwards, the cantilever shaft seat 4-6 and the cantilever shaft 4-7 are used as fulcrums through the lever principle, the guide rod 4-4, the pressure sensor 7 and the sensing head 4-10 are driven to move downwards through the pressing downwards, the retarder 2 is pressed down to a working distance, after the pressure lever 4-1 stops manually applying pressure, the connecting block 4-3, the support rod 4-2 and the pressure lever 4-1 are sequentially jacked up through the spring force of the spring 4-5, and the automatic resetting of the capping module 4 is realized. The bushing 4-11 has the functions of reducing the friction force between the guide rod 4-4 and the frame 3, limiting the guide rod 4-4 and preventing the stress direction from shifting, and the pressure sensor adapter 4-9 is used for conveniently fixing the pressure sensor 7.
A fourth embodiment is described with reference to fig. 7, which further defines a retarder performance calibrator according to the third embodiment, where the frame 3 includes a column 3-1 and a beam 3-2;
The upright post 3-1 is arranged at the top end of the rail grabbing assembly 5;
The digital display box 6 is fixed at the top end of the upright post 3-1;
one end of the cross beam 3-2 is fixed in the middle of the side wall of the upright post 3-1, and the two ends are perpendicular to each other;
the cantilever shaft seat 4-6 is fixed at the upper part of the side wall of the upright post 3-1;
The bushings 4-11 of the capping module 4 are arranged inside the cross beam 3-2.
In this embodiment, the frame 3 formed by the upright post 3-1 and the cross beam 3-2 can better and more conveniently set the capping module 4, the upright post 3-1 is a main stress structure and is made of an HFS8-4080 profile, the cross beam 3-2 is a moving track member for defining the guide rod 4-4, and the moving track member is also made of an HFS8-4080 profile.
In a fifth embodiment, the present embodiment is further defined by a retarder performance calibration device according to the fourth embodiment, where the frame 3 further includes an angle code 3-3;
The corner connector 3-3 is arranged at the fixed position of the cross beam 3-2 and the upright post 3-1.
In this embodiment, the angle code 3-3 is an HFS88-4040 type angle code, and the angle code 3-3 is configured to increase the stability of the structures of the cross beam 3-2 and the upright 3-1.
In a sixth embodiment, the present embodiment is further defined by a retarder performance calibrator according to the fourth embodiment, where the frame 3 further includes a handle 3-4;
the handle 3-4 is U-shaped, the opening end of the U-shaped handle 3-4 is fixed on the side wall of the upright post 3-1, and the handle 3-4 is positioned between the cross beam 3-2 and the digital display box 6.
In this embodiment, the handles 3-4 are provided for convenience in using the calibration apparatus and for convenience in moving and transporting the calibration apparatus.
The seventh embodiment is further defined by the retarder performance calibrator according to the fourth embodiment, where the frame 3 further includes a handrail 3-5;
the armrests 3-5 are arranged on the upper surface of the cross beam 3-2.
In this embodiment, the armrests 3-5 are provided for ease of use of the calibrator and for ease of movement and transport of the calibrator.
The eighth embodiment is further defined by the retarder performance calibration device according to the fourth embodiment, where the calibration device further includes a displacement sensor bracket 9;
The displacement sensor bracket 9 is provided on the upper surface of the cross beam 3-2, and the displacement sensor 8 is fixed to the displacement sensor bracket 9.
In the present embodiment, a displacement sensor holder 9 is added to facilitate fixing of the displacement sensor 8.
The ninth embodiment is further defined by the retarder performance calibrator according to the fourth embodiment, where the rail capturing assembly 5 includes a contact plate 5-1 and a fastener 5-2;
The contact plate 5-1 is of a plate-shaped structure, and the contact plate 5-1 is arranged between the frame 3 and the steel rail 1;
The cross section of the fastener 5-2 is L-shaped, and the fastener 5-2 is fixedly connected with the contact plate 5-1 to form a fixing groove for clamping the upper end of the steel rail 1 inside.
In the embodiment, the contact plate 5-1 and the fastener 5-2 are matched, so that the fixing of the frame 3 is realized, and meanwhile, the fixing is also convenient to release, so that the calibration instrument is more practical.
In a tenth embodiment, the present embodiment is further limited to a retarder performance calibration device according to the fourth embodiment, where the calibration device further includes a cantilever bearing housing 11 and a bearing 10;
The cantilever bearing seat 11 is fixed on the track grabbing assembly 5, and the cantilever of the cantilever bearing seat 11 stretches to the retarder 2;
the bearing 10 is fixed at the front end of the cantilever bearing housing 11, and when the rail grasping assembly 5 is disengaged from the rail 1, the bearing 10 contacts with the upper end surface of the rail 1.
In the embodiment, the type of the bearing 10 is UMBH-20, in order to test a plurality of reduction jacks 2 conveniently, a cantilever bearing seat 11 and the bearing 10 are added, the cantilever bearing seat 11 and the bearing 10 are added, so that the calibration instrument is convenient to move, in the state of normal shape moving, in which whether the parts of the calibration instrument are fastened or not is checked, whether the digital display box 6 is normal or not is checked, if the parts are normal, the outer rims of the bearing 10 are placed on the upper end face of the steel rail 1, in the moving process, the outer rims of the plurality of bearings 10 are ensured to contact the upper end face of the steel rail 1, the walking frame 3 walks on the steel rail 1, the calibration instrument is driven to move on the steel rail 1 by using force in the inward direction, the moving to the front end of the reduction jacks 2 is stopped, the roof pressing module 4 is aligned to the center of the cap head of the reduction jacks 2, the rail grabbing assembly is buckled on the outer side of the steel rail, and the moving state is finished.
The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.
Claims (10)
1. The retarder performance calibration instrument is characterized by comprising a frame (3), a capping module (4), a rail grabbing assembly (5), a pressure sensor (7) and a displacement sensor (8);
The frame (3) is fixed on the steel rail (1) through a rail grabbing assembly (5);
The capping module (4) is arranged on the frame (3), and the capping module (4) can press down the cap head of the retarder (2) to a working distance;
The pressure sensor (7) is arranged at the bottom of the capping module (4) and is used for acquiring oil-gas counter force of the cap head of the retarder (2) fixed on the steel rail (1);
The displacement sensor (8) is arranged on the frame (3) and used for acquiring the movement stroke of the cap head of the retarder (2).
2. A retarder performance calibrator according to claim 1, wherein the calibrator further comprises a digital display box (6);
the pressure signal output end of the pressure sensor (7) is connected with the pressure signal input end of the digital display box (6);
The displacement signal output end of the displacement sensor (8) is connected with the displacement signal input end of the digital display box (6);
The digital display box (6) is arranged at the top end of the frame (3), and the digital display box (6) is used for displaying the pressure signal of the pressure sensor (7) and the displacement signal of the displacement sensor (8).
3. The retarder performance calibrator according to claim 2, wherein the capping module (4) comprises a compression bar (4-1), a support bar (4-2), a connection block (4-3), a guide bar (4-4), a spring (4-5), a cantilever shaft seat (4-6), a cantilever shaft (4-7), a guide bar bottom block fixing piece (4-8), a pressure sensor adapter (4-9), a sensing head (4-10) and a bushing (4-11);
the compression bar (4-1) is of a rod-shaped structure, and one end of the compression bar (4-1) is axially connected to the cantilever shaft seat (4-6) through the cantilever shaft (4-7);
the cantilever shaft seat (4-6) is fixed on the frame (3);
One end of the supporting rod (4-2) is connected with the middle part of the pressing rod (4-1) in a shaft way, and the other end of the supporting rod (4-2) is connected with the connecting block (4-3) in a shaft way;
The connecting block (4-3) is fixed at the top end of the guide rod (4-4);
The bushing (4-11) is arranged inside the frame (3), and the guide rod (4-4) passes through the bushing (4-11);
the guide rod bottom block fixing piece (4-8) is fixed at the bottom end of the guide rod (4-4);
The spring (4-5) is arranged along the guide rod (4-4), and the spring (4-5) is positioned between the bushing (4-11) and the connecting block (4-3);
The pressure sensor adapter (4-9) is used for fixing the pressure sensor (7) at the bottom of the guide rod bottom block fixing piece (4-8);
The induction head (4-10) is fixed at the bottom of the pressure sensor (7), and when the induction head (4-10) is contacted with the center of the cap head of the retarder (2), the displacement sensor (8) starts to measure.
4. A retarder performance calibrator according to claim 3, wherein the frame (3) comprises uprights (3-1) and cross-beams (3-2);
the upright post (3-1) is arranged at the top end of the rail grabbing assembly (5);
the digital display box (6) is fixed at the top end of the upright post (3-1);
one end of the cross beam (3-2) is fixed in the middle of the side wall of the upright post (3-1) and is perpendicular to the upright post;
the cantilever shaft seat (4-6) is fixed at the upper part of the side wall of the upright post (3-1);
the bushing (4-11) of the capping module (4) is arranged inside the cross beam (3-2).
5. The retarder performance calibrator according to claim 4, wherein the frame (3) further comprises a corner piece (3-3);
The corner connector (3-3) is arranged at the fixed position of the cross beam (3-2) and the upright post (3-1).
6. A retarder performance level according to claim 4, wherein the frame (3) further comprises a handle (3-4);
The handle (3-4) is U-shaped, the opening end of the U-shaped handle (3-4) is fixed on the side wall of the upright post (3-1), and the handle (3-4) is positioned between the cross beam (3-2) and the digital display box (6).
7. A retarder performance level according to claim 4, wherein the frame (3) further comprises armrests (3-5);
the armrests (3-5) are arranged on the upper surface of the cross beam (3-2).
8. The retarder performance calibrator according to claim 4, wherein the calibrator further comprises a displacement sensor support (9);
The displacement sensor bracket (9) is arranged on the upper surface of the cross beam (3-2), and the displacement sensor (8) is fixed on the displacement sensor bracket (9).
9. A retarder performance calibrator according to claim 1, wherein the grab rail assembly (5) comprises a contact plate (5-1) and a fastener (5-2);
The contact plate (5-1) is of a plate-shaped structure, and the contact plate (5-1) is arranged between the frame (3) and the steel rail (1);
The cross section of the fastener (5-2) is L-shaped, and the fastener (5-2) is fixedly connected with the contact plate (5-1) to form a fixing groove, and the fixing groove is used for clamping the upper end of the steel rail (1) in the fixing groove.
10. The retarder performance calibrator according to claim 1, further comprising a cantilever bearing housing (11) and a bearing (10);
The cantilever bearing seat (11) is fixed on the track grabbing assembly (5), and a cantilever of the cantilever bearing seat (11) extends to the retarder (2);
The bearing (10) is fixed at the front end of the cantilever bearing seat (11), and when the rail grabbing assembly (5) is separated from the steel rail (1), the bearing (10) is contacted with the upper end surface of the steel rail (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421679614.2U CN222812559U (en) | 2024-07-16 | 2024-07-16 | A retarder performance calibrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421679614.2U CN222812559U (en) | 2024-07-16 | 2024-07-16 | A retarder performance calibrator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222812559U true CN222812559U (en) | 2025-04-29 |
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ID=95460660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421679614.2U Active CN222812559U (en) | 2024-07-16 | 2024-07-16 | A retarder performance calibrator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222812559U (en) |
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2024
- 2024-07-16 CN CN202421679614.2U patent/CN222812559U/en active Active
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