CN212125154U - Telescopic brake lining checker - Google Patents
Telescopic brake lining checker Download PDFInfo
- Publication number
- CN212125154U CN212125154U CN202020420489.9U CN202020420489U CN212125154U CN 212125154 U CN212125154 U CN 212125154U CN 202020420489 U CN202020420489 U CN 202020420489U CN 212125154 U CN212125154 U CN 212125154U
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- CN
- China
- Prior art keywords
- brake lining
- shaft
- retractable
- extension
- extension shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000005286 illumination Methods 0.000 claims description 2
- 230000006978 adaptation Effects 0.000 claims 1
- 238000001514 detection method Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 4
- 230000009194 climbing Effects 0.000 abstract description 2
- 238000013024 troubleshooting Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model provides a telescopic brake lining checker, which comprises a telescopic rod and a chuck structure arranged at one end of the telescopic rod, wherein the length of the telescopic rod is adjustable, the chuck structure comprises an extension shaft detachably connected with one end of the telescopic rod, a fixed plate fixedly arranged at one end of the extension shaft and a movable plate arranged on the extension shaft in a sliding way, the telescopic brake lining checker is matched with the chuck structure through the telescopic rod, thereby avoiding a tester from climbing to the bottom of a vehicle for checking, reducing the labor intensity, having simple structure and use method, hooking the brake lining and shaking with force to accurately know that the brake lining is in a locking or loosening state, reducing the difficulty of checking, improving the checking efficiency, adjusting the distance between the movable plate and the fixed plate, and matching the brake lining detection with different sizes and different positions through the length of the telescopic rod, wide application range and convenient detection.
Description
Technical Field
The invention relates to a brake locking auxiliary inspection tool, in particular to a telescopic brake pad inspector.
Background
With the continuous development of the national high-speed rail technology, the investment of high-speed rails and motor cars into operation trains is continuously increased. The workload of maintenance and repair of high-speed rail and motor cars is also greatly increased. The motor car vehicles can be stopped emergently due to faults in the running process, and the on-board mechanic needs to carry out fault troubleshooting on various components of the motor car. The brake lining is as the brake part, is located the carriage bottom, and the mode of investigation at present is that the machinist climbs to vehicle bottom portion and goes to inspect whether the brake lining has the abnormal locking, and the investigation degree of difficulty is big, and is efficient. How to reduce the troubleshooting difficulty and improve the troubleshooting efficiency and the maintenance work efficiency is a problem to be solved at the present stage.
Disclosure of Invention
The invention aims to provide the telescopic brake lining checker which is simple in structure, can assist the locking check of a brake, reduces the difficulty of checking and improves the checking efficiency.
In order to achieve the purpose, the invention provides a telescopic brake pad checker, which is used for checking whether brake pads at the bottom of a motor car or a train are locked or not, and comprises a telescopic rod and a chuck structure arranged at one end of the telescopic rod, wherein the telescopic rod is adjustable in length, the chuck structure comprises an extension shaft detachably connected with one end of the telescopic rod, a fixed plate fixedly arranged at one end of the extension shaft and a movable plate arranged on the extension shaft in a sliding manner, and the movable plate can do reciprocating sliding movement relative to the fixed plate along the extension shaft so as to adjust the distance between the movable plate and the fixed plate and adapt to brake pads with different sizes.
Preferably, the fixed plate is arranged at one end, far away from the telescopic rod, of the extension shaft, the movable plate is sleeved at one end, close to the telescopic rod, of the extension shaft through a connecting ring, a clamping hole is formed in the connecting ring, the extending direction of the clamping hole is perpendicular to the extending direction of the extension shaft, a locking knob is detachably arranged in the clamping hole, and the locking knob is matched with the clamping hole.
Preferably, the connecting ring is provided with a positioning pin, the central axis direction of the positioning pin is perpendicular to the central axis of the extension shaft, the extension shaft is provided with a positioning groove, the extension direction of the positioning groove is consistent with the extension direction of the extension shaft, and one end of the positioning pin penetrates through the connecting ring and is slidably arranged in the positioning groove.
Preferably, a handle is arranged at one end, away from the extending shaft, of the telescopic rod, the handle is coated with a friction increasing layer, and the friction increasing layer is provided with a preset number of protrusions.
Further preferably, the telescopic rod comprises a predetermined number of adjusting short rods, and the diameters of the adjusting short rods are sequentially increased in the direction from the extension shaft to the handle and are sequentially inserted in the telescopic connection.
Preferably, a lighting part for lighting is arranged on the fixing plate, and a battery compartment for supplying power to the lighting part and a button for controlling power on and off are arranged in the protruding shaft.
Preferably, a second external thread is arranged on the outer side of one end, close to the extension shaft, of the telescopic rod, a second internal thread matched with the second external thread is arranged on the inner side of the extension shaft, and the second external thread is matched with the second internal thread to detachably connect the extension shaft and the telescopic rod.
Preferably, a predetermined number of connecting holes are formed in one end, close to the telescopic rod, of the extension shaft, a connecting screw is connected to each connecting hole in a threaded manner, and the extending direction of the connecting holes is perpendicular to the extending direction of the extension shaft.
The invention has the beneficial effects that: the telescopic brake lining checker provided by the invention is matched with the chuck structure through the telescopic rod, so that a tester is prevented from climbing to the bottom of a car for checking, the labor intensity is reduced, the structure and the using method are simple, the brake lining can be accurately known by hooking the brake lining and shaking forcibly, the checking difficulty is reduced, and the checking efficiency is improved; the telescopic brake lining checker can adjust the distance between the movable plate and the fixed plate by moving the movable plate, so that brake lining detection with different sizes is matched, and the arrangement of the positioning pin and the positioning groove is favorable for improving the distance adjustment efficiency and further improving the detection working efficiency; the telescopic brake lining checker has light weight, can be used by detection personnel without labor, and has low labor intensity; in addition, the telescopic rod of the telescopic brake lining checker is detachably connected with the chuck structure, when one of the telescopic rod and the chuck structure is damaged, only the damaged one can be replaced, and the undamaged other can be reused, so that the telescopic brake lining checker saves energy, is not wasted and has high utilization rate.
Drawings
FIG. 1 is a schematic structural diagram of a retractable brake lining checker according to a first embodiment;
FIG. 2 is a schematic diagram of a portion of the retractable shutter checker provided in the first embodiment;
fig. 3 is a rear view of the structure shown in fig. 2.
Detailed Description
The embodiments described below are only a part of the embodiments of the present invention, and not all of them. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1, the present embodiment provides a retractable brake pad checker, for assisting in checking whether a brake pad of a vehicle is locked or normally released, the retractable brake pad checker includes a retractable rod 1 and a chuck structure disposed at one end of the retractable rod 1, the retractable rod 1 is made of a carbon fiber material, the chuck structure is made of a hard aluminum alloy, and the weight of the retractable brake pad checker is less than 250 g.
Referring to fig. 2, 2 and 3, the chuck structure includes an extension shaft 21 detachably connected to one end of the telescopic rod 1, a fixing plate 22 fixedly disposed at one end of the extension shaft 21 far from the telescopic rod 1, and a movable plate 23 slidably disposed at one end of the extension shaft 21 near the telescopic rod 1, the movable plate 23 is sleeved on the protruding shaft 21 through a connecting ring 24, the fixed plate 22 is arranged opposite to the movable plate 23, the connecting ring 24 is provided with a clamping hole, the extension direction of the clamping hole is vertical to the extension direction of the extension shaft 21, a locking knob 25 matched with the clamping hole is detachably arranged in the clamping hole, the locking knob 25 is connected with the clamping hole through threads, the movable plate 23 is prevented from rocking by tightening the locking knob 25 to tightly fit the coupling ring 24 on the protruding shaft 21. The connecting ring 24 is provided with a positioning pin 26, the central axis direction of the positioning pin 26 is perpendicular to the central axis of the protruding shaft 21, the protruding shaft 21 is provided with a positioning groove 27, the extending direction of the positioning groove 27 is consistent with the extending direction of the protruding shaft 21, one end of the positioning pin 26 penetrates through the connecting ring 24 and is arranged in the positioning groove 27 in a sliding manner, the positioning groove 27 and the positioning pin 26 are matched to limit the moving direction of the movable plate 23, so that when the distance between the movable plate 23 and the fixed plate 22 is adjusted, the movable plate 23 does not rotate, the movable plate 23 is always arranged opposite to the fixed plate 22, and the distance between the fixed plate and the movable plate is adjusted conveniently. One end of the extension shaft 21, which is close to the telescopic rod 1, is provided with a predetermined number of connecting holes, each connecting hole is internally threaded with a connecting screw 28, the extending direction of each connecting hole is perpendicular to the extending direction of the extension shaft 21, and the extension shaft 21 is detachably connected with the telescopic rod 1 through the threaded connection of the connecting holes and the connecting screws 28. The fixed plate 22 is provided with an illuminating part (not shown) for illumination, the protruding shaft 21 is internally provided with a battery compartment (not shown) for supplying power to the illuminating part and a button (not shown) for controlling power on and off, when the brake pad at the bottom of the car is inspected, the position of the brake pad is possibly not visible under the influence of light, and the illuminating part is turned on to provide light for a detector, so that the brake pad position can be conveniently determined.
The length of the telescopic rod 1 is adjustable, a handle 3 is arranged at one end, away from the extension shaft 21, of the telescopic rod, the handle 3 is coated with a friction increasing layer, and the friction increasing layer is provided with a preset number of protrusions. The telescopic rod 1 comprises a preset number of adjusting short rods, and the diameters of the adjusting short rods are sequentially increased from the extension shaft 21 to the handle 3 and are sequentially connected in an inserting manner.
The use method of the telescopic brake pad checker comprises the following steps:
step 2, loosening the screwing knob 25, adjusting the distance between the movable plate 23 and the fixed plate 22 to a proper width, and screwing the screwing knob 25 to make the movable plate 23 immovable;
and 4, after the telescopic rod 1 is used, the telescopic rod is retracted to the shortest state.
The brake pads are distributed at the bottom of the middle line of the bullet train, the brake pads of different vehicle types have different sizes, and the telescopic brake pad checker can adjust the distance between the movable plate 23 and the fixed plate 22 by moving the movable plate 23 so as to match the brake pads of different sizes, and is basically suitable for all vehicle types; the installation positions of brake pads of some vehicle types are closer to the middle of the vehicle, the installation positions of brake pads of some vehicle types are closer to one side of the vehicle, and the telescopic brake pad checker can adjust the length of the telescopic rod 1 according to different vehicle types to adjust the total length to a proper length, so that the detection of brake pads of different vehicle types and different positions is facilitated; the telescopic brake lining checker has light weight, can be used by detection personnel without labor, and has low labor intensity; in addition, the telescopic rod 1 of the telescopic brake lining checker is detachably connected with the chuck structure, when one of the telescopic rod 1 and the chuck structure is damaged, only the damaged one can be replaced, and the undamaged other can be reused, so that the telescopic brake lining checker saves energy, is not wasted and has high utilization rate.
Example 2
The embodiment provides a telescopic brake pad checker, which is different from the telescopic brake pad checker provided in embodiment 1 in that a second external thread is provided on an outer side of one end of the telescopic rod 1 close to the extension shaft 21, a second internal thread adapted to the second external thread is provided on an inner side of the extension shaft 21, and the second external thread is matched with the second internal thread to detachably connect the extension shaft 21 and the telescopic rod 1.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention.
Claims (8)
1. The utility model provides a telescopic brake lining finder for overhaul the brake lining locked state whether of motor car or train bottom, its characterized in that, telescopic brake lining finder includes a telescopic link and sets up a chuck structure of telescopic link one end, telescopic link length adjustable, the chuck structure include with telescopic link one end can be dismantled a projecting shaft of being connected, fixed the setting and be in a fixed plate and the slip setting of projecting shaft one end are in a fly leaf on the projecting shaft, the fly leaf can be followed the projecting shaft is relative the reciprocating sliding motion is to the fixed plate, is used for adjusting the fly leaf with distance between the fixed plate to the not unidimensional brake lining of adaptation.
2. The retractable brake lining checker according to claim 1, wherein the fixed plate is disposed at an end of the extension shaft away from the retractable shaft, the movable plate is sleeved at an end of the extension shaft close to the retractable shaft through a connection ring, the connection ring is provided with a locking hole, an extending direction of the locking hole is perpendicular to an extending direction of the extension shaft, a locking knob is detachably disposed in the locking hole, and the locking knob is adapted to the locking hole.
3. The retractable brake lining checker according to claim 2, wherein a positioning pin is disposed inside the connection ring, a central axis of the positioning pin is perpendicular to a central axis of the protruding shaft, the protruding shaft is provided with a positioning groove, an extending direction of the positioning groove coincides with an extending direction of the protruding shaft, and one end of the positioning pin penetrates through the connection ring and is slidably disposed in the positioning groove.
4. The retractable brake lining checker according to claim 1, wherein a handle is provided at an end of the retractable shaft remote from the protruding shaft, the handle being covered with a friction increasing layer, the friction increasing layer being provided with a predetermined number of protrusions.
5. The retractable brake lining checker according to claim 4, wherein said retractable bar includes a predetermined number of short adjustment bars, each of said short adjustment bars having a diameter that increases in sequence in a direction from said extension shaft to said handle, and each of said short adjustment bars having a diameter that sequentially penetrates the retractable connection.
6. The retractable brake lining checker according to claim 1, wherein an illuminator is provided on said fixed plate for illumination, and a battery compartment is provided in said protruding shaft for supplying power to said illuminator, and a button for controlling the power on and off of said protruding shaft.
7. The retractable brake lining checker according to claim 1, wherein a second external thread is provided on an outer side of an end of the retractable rod close to the extension shaft, a second internal thread adapted to the second external thread is provided on an inner side of the extension shaft, and the second external thread is engaged with the second internal thread to detachably connect the extension shaft and the retractable rod.
8. The retractable brake lining checker according to claim 1, wherein a predetermined number of connection holes are provided at an end of the extension shaft adjacent to the extension bar, each of the connection holes having a connection screw threaded therein, the extension direction of the connection hole being perpendicular to the extension direction of the extension shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020420489.9U CN212125154U (en) | 2020-03-28 | 2020-03-28 | Telescopic brake lining checker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020420489.9U CN212125154U (en) | 2020-03-28 | 2020-03-28 | Telescopic brake lining checker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212125154U true CN212125154U (en) | 2020-12-11 |
Family
ID=73672739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020420489.9U Expired - Fee Related CN212125154U (en) | 2020-03-28 | 2020-03-28 | Telescopic brake lining checker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212125154U (en) |
-
2020
- 2020-03-28 CN CN202020420489.9U patent/CN212125154U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20201211 |