CN211696934U - Brake valve loading fast switching device - Google Patents
Brake valve loading fast switching device Download PDFInfo
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- CN211696934U CN211696934U CN202020400121.6U CN202020400121U CN211696934U CN 211696934 U CN211696934 U CN 211696934U CN 202020400121 U CN202020400121 U CN 202020400121U CN 211696934 U CN211696934 U CN 211696934U
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- mounting seat
- brake valve
- linear guide
- loading
- plate
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Abstract
The utility model discloses a brake valve loading fast switch over device, switching speed is fast. The electric cylinder is fixed on one side of the mounting seat, a linear guide column and an application rod are arranged on the other side of the mounting seat, the linear guide column penetrates through the mounting seat and is fixed, one end of the application rod extends into the mounting seat and is in sliding fit with the mounting seat, and a brake valve joint is arranged at the outer end of the application rod; the outer end of the linear guide post is sequentially provided with an inner pulling plate and a brake valve transition mounting plate; one end of the force application rod extending into the mounting seat is sequentially provided with a quick pressure head and a displacement sensor connecting block, and a displacement sensor is arranged in the mounting seat; be equipped with quick loading device in the mount pad, quick loading device includes the push pedal, the both ends and two linear guide posts sliding fit of push pedal, the fixed loading cylinder of push pedal one end, the fixed load seat of the other end, installation cylinder pressure head on the piston rod of loading cylinder, cylinder pressure head and load seat clearance fit, the tail end of loading cylinder sets up force transducer, and corresponds with the ejector pin of electronic jar.
Description
Technical Field
The utility model relates to an automobile brake valve performance and durable detection technical field especially relate to a brake valve loading fast switch device.
Background
The invention of the automobile greatly improves the maneuverability of human beings, and the convenient traffic promotes the communication between the human beings, so that the visual field of the human beings in the 20 th century is wider and the human beings pursue freedom. The safety of the vehicle is particularly important, especially for the pneumatic brake system of the vehicle. As the brake valves with the pilot function in the air brake system, the performance of the brake valves directly influences whether the brakes are timely, rapid, stable and reliable during the braking on the highway at ordinary times.
At the present stage, the loading of the brake valves needs two speed forces in different size ranges, and the two forces need to be switched rapidly, so that the speed range of the electric cylinder is enlarged to meet the measurement precision, the cost is increased, the speed switching is not timely, and the test efficiency is reduced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide a brake valve loading fast switch over device, switching speed is fast, low cost, and efficiency of software testing is higher.
The purpose of the utility model is realized like this:
a rapid switching device for loading of a brake valve,
the electric cylinder is fixed on one side of the mounting seat, an ejector rod of the electric cylinder extends into the mounting seat and is provided with an electric cylinder pressure head, two linear guide posts and an application rod are longitudinally arranged on the other side of the mounting seat, the application rod is positioned between the two linear guide posts, the two linear guide posts penetrate through the mounting seat and are in sliding fit with the mounting seat, one end of the application rod extends into the mounting seat and is in sliding fit with the mounting seat, and a brake valve joint is arranged at the outer end of the application rod;
the outer ends of the two linear guide columns are fixedly provided with a brake valve transition mounting plate, an inner pull plate is arranged between the brake valve transition mounting plate and the mounting seat, the outer ends of the brake valve transition mounting plate are fixedly provided with the brake valve mounting plate, the inner pull plate is fixedly connected with the mounting seat and is in sliding fit with the two linear guide columns, and the inner pull plate is fixedly provided with a holding device for holding the linear guide columns tightly and fixing the linear guide columns;
one end of the force application rod, which extends into the mounting seat, is sequentially provided with a quick pressure head and a displacement sensor connecting block, a displacement sensor is arranged in the mounting seat, and an induction rod of the displacement sensor is arranged on the displacement sensor connecting block and used for measuring the displacement of the force application rod;
be equipped with quick loading device in the mount pad, quick loading device includes the push pedal, the both ends of push pedal set up linear bearing, two linear bearing and two linear guide post sliding fit, push pedal middle part and the fixed loading cylinder of the adjacent one end of electronic jar, the fixed load seat of the other end, installation cylinder pressure head on the piston rod of loading cylinder, cylinder pressure head and load seat clearance fit, the tail end of loading cylinder sets up force sensor, and force sensor corresponds the setting with electronic jar pressure head.
Preferably, the force application rod is in sliding fit with a support sleeve fixed on the mounting seat.
Preferably, the force application rod is supported on the support sleeve through a ball spline and used for preventing the force application rod from rotating and avoiding damaging the induction rod of the displacement sensor.
Preferably, two linear guide posts are respectively sleeved with a heat insulation ring, and the heat insulation ring is positioned between the inner pulling plate and the mounting seat and is fixed on the mounting seat.
Preferably, an inner cylindrical surface of a holding pressure plate in the holding device is matched with an outer cylindrical surface of a holding mounting seat, the holding mounting seat is fixed on an inner pulling plate, and the holding pressure plate is tensioned by three clamping pieces, so that a spring chuck inside deforms to generate deformation force to hold the linear guide pillar tightly.
Preferably, the linear bearing is a middle flange type linear bearing, and a middle flange of the middle flange type linear bearing is fixed with the push plate bolt.
Preferably, the mounting seat is internally provided with a displacement sensor through a displacement sensor mounting cushion block.
Preferably, the tail end of the loading cylinder is provided with a force sensor through a force sensor base plate.
Since the technical scheme is used, the utility model discloses following beneficial effect has:
the utility model discloses overall structure level is arranged, and quick loading device, cohesion device, interior arm-tie, brake valve mounting panel all establish ties on linear guide pillar and integrated on the mount pad, make the structure compacter, have also guaranteed measurement accuracy simultaneously. The inner cylindrical surface of a holding pressure plate in the holding device is matched with the outer cylindrical surface of a holding mounting seat, the holding mounting seat is fixed on an inner pulling plate, and the holding pressure plate is tensioned by three screws, so that a spring chuck inside deforms to generate deformation force to hold the linear guide pillar tightly. The quick loading device integrates the bearing plate, the push plate, the cylinder pressure head and the loading cylinder into a whole, and in a low-speed test, only the electric cylinder acts, the cylinder does not act, and the stress is on the bearing plate; when low-speed loading switches to fast loading, electronic jar keeps motionless this moment, and the cylinder action, cylinder pressure head effect realize switching on the fast pressure head. The structure has the advantages of compact arrangement, high measurement precision, convenient operation, rapid switching, safety and reliability.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural diagram of the rapid loading device shown in FIG. 1;
fig. 3 is a cross-sectional view of the clasping means of fig. 1.
Reference numerals
In the attached drawing, 1 is an electric cylinder, 2 is a mounting seat, 3 is a support sleeve, 4 is an inner pull plate, 5 is a force application rod, 6 is a linear guide post, 7 is a brake valve joint, 8 is a brake valve installation transition plate, 9 is an electric cylinder pressure head, 10 is a force sensor, 11 is a force sensor installation backing plate, 12 is a displacement sensor installation cushion block, 13 is a displacement sensor, 14 is a quick loading device, 15 is a displacement sensor connecting block, 16 is a quick pressure head, 17 is a heat insulation ring, 18 is a clasping device, 19 is a brake valve installation plate, 20 is a force bearing seat, 21 is a push plate, 22 is a loading cylinder, 23 is a cylinder pressure head, 24 is a middle flange type linear bearing, 25 is a clasping pressure plate, 26 is a clasping installation seat, and 27 is a spring chuck.
Detailed Description
Referring to fig. 1 and 2, the brake valve loading fast switching device comprises a mounting base 2, two linear guide posts 6 matched with the mounting base 2, a force application rod 5 fixed at the right end of the mounting base 2, a brake valve transition mounting plate 8, an inner pulling plate 4, a fast loading device 14 which are sequentially fixed on the two linear guide posts 6 from right to left, a clasping device 18 which is sequentially connected on the linear guide posts 6 in series from right to left, the heat insulation ring 17 is fixed at the right end of the mounting seat 2 and is matched with the force application rod 5 to support the sleeve 3, the quick pressure head 16 and the displacement sensor connecting block 15 which are fixed at the left end of the force application rod 5 are fixed, the displacement sensor 13 and the displacement sensor mounting cushion block 12 which are fixed in the mounting seat 2 are fixed, the electric cylinder 1 which is installed at the left end of the mounting seat 2 is installed, the electric cylinder pressure head 9 which is installed on the ejector rod of the electric cylinder 1 is installed, and the force sensor base plate 11 and the force sensor 10 which are installed at the rear end of the. The clasping device 18 can also adopt various conventional clasping structures in production and life. The inner pulling plate is fixed on the supporting sleeve 3 through a bolt.
As shown in fig. 2, the rapid loading device 14 sequentially includes, from left to right, a middle flange type linear bearing 24 connected in series to the linear guide post 6, a push plate 21 fixed on the middle flange type linear bearing 24, a force bearing seat 20 fixed on the left end of the push plate 21, a loading cylinder 22 fixed on the right end of the push plate 21, and a cylinder head 23 fixed on the loading cylinder 22.
As shown in fig. 3, the inner cylindrical surface of the holding pressure plate 25 in the holding device 18 is matched with the outer cylindrical surface of the holding mounting seat 26, the holding mounting seat 26 is fixed on the inner pulling plate 4, and the holding pressure plate 25 is tightened by three pieces of tension, so that the spring clamp 27 in the holding mounting seat is deformed to generate deformation force to hold the linear guide post tightly
The utility model discloses the working process is as follows:
installing the automobile brake valve on the brake valve installation plate 19, loosening the holding device 18, moving the linear guide column 6 to adjust the left and right positions of the brake valve installation plate 19 to enable the brake valve to just touch the brake valve connector 7, tightening the holding device 18, and finishing the installation of the brake valve. In the loading process, when the electric cylinder 1 is loaded at a low speed, the electric cylinder 1 acts to realize loading, and the stress surface of the quick loading device 14 is arranged on the bearing seat 20; when the fast loading is needed, the electric cylinder 1 firstly advances slowly until the bearing seat 20 touches the fast pressure head 16, at this time, the electric cylinder 1 is kept still, the loading cylinder 22 acts, the stress surface of the fast loading device 14 is on the cylinder pressure head 23, so that the fast loading switching is realized, and the loading force is acquired by a force sensor.
Finally, it is noted that the above-mentioned preferred embodiments illustrate rather than limit the invention, and that, although the invention has been described in detail with reference to the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the invention as defined by the appended claims.
Claims (8)
1. A brake valve loading fast switching device is characterized in that:
the electric cylinder is fixed on one side of the mounting seat, an ejector rod of the electric cylinder extends into the mounting seat and is provided with an electric cylinder pressure head, two linear guide posts and an application rod are longitudinally arranged on the other side of the mounting seat, the application rod is positioned between the two linear guide posts, the two linear guide posts penetrate through the mounting seat and are in sliding fit with the mounting seat, one end of the application rod extends into the mounting seat and is in sliding fit with the mounting seat, and a brake valve joint is arranged at the outer end of the application rod;
the outer ends of the two linear guide columns are fixedly provided with a brake valve transition mounting plate, an inner pull plate is arranged between the brake valve transition mounting plate and the mounting seat, the outer ends of the brake valve transition mounting plate are fixedly provided with the brake valve mounting plate, the inner pull plate is fixedly connected with the mounting seat and is in sliding fit with the two linear guide columns, and the inner pull plate is fixedly provided with a holding device for holding the linear guide columns tightly and fixing the linear guide columns;
one end of the force application rod, which extends into the mounting seat, is sequentially provided with a quick pressure head and a displacement sensor connecting block, a displacement sensor is arranged in the mounting seat, and an induction rod of the displacement sensor is arranged on the displacement sensor connecting block and used for measuring the displacement of the force application rod;
be equipped with quick loading device in the mount pad, quick loading device includes the push pedal, the both ends of push pedal set up linear bearing, two linear bearing and two linear guide post sliding fit, push pedal middle part and the fixed loading cylinder of the adjacent one end of electronic jar, the fixed load seat of the other end, installation cylinder pressure head on the piston rod of loading cylinder, cylinder pressure head and load seat clearance fit, the tail end of loading cylinder sets up force sensor, and force sensor corresponds the setting with electronic jar pressure head.
2. A brake valve loading fast switching apparatus as defined in claim 1, wherein: the force application rod is matched with a supporting sleeve fixed on the mounting seat in a sliding manner.
3. A brake valve loading fast switching apparatus as defined in claim 2, wherein: the force application rod is supported on the supporting sleeve through the ball spline and used for preventing the force application rod from rotating and avoiding damaging the induction rod of the displacement sensor.
4. A brake valve loading fast switching apparatus as defined in claim 1, wherein: and the two linear guide columns are respectively sleeved with a heat insulation ring, and the heat insulation rings are positioned between the inner pulling plate and the mounting seat and are fixed on the mounting seat.
5. A brake valve loading fast switching apparatus as defined in claim 1, wherein: the inner cylindrical surface of a holding pressure plate in the holding device is matched with the outer cylindrical surface of a holding mounting seat, the holding mounting seat is fixed on an inner pulling plate, and the holding pressure plate is tensioned by three pieces, so that a spring chuck inside deforms to generate deformation force to hold the linear guide pillar tightly.
6. A brake valve loading fast switching apparatus as defined in claim 1, wherein: the linear bearing adopts a middle flange type linear bearing, and a middle flange of the middle flange type linear bearing is fixed with the push plate bolt.
7. A brake valve loading fast switching apparatus as defined in claim 1, wherein: and a displacement sensor is arranged in the mounting seat through a displacement sensor mounting cushion block.
8. A brake valve loading fast switching apparatus as defined in claim 1, wherein: and the tail end of the loading cylinder is provided with a force sensor through a force sensor base plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020400121.6U CN211696934U (en) | 2020-03-26 | 2020-03-26 | Brake valve loading fast switching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020400121.6U CN211696934U (en) | 2020-03-26 | 2020-03-26 | Brake valve loading fast switching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211696934U true CN211696934U (en) | 2020-10-16 |
Family
ID=72781399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020400121.6U Active CN211696934U (en) | 2020-03-26 | 2020-03-26 | Brake valve loading fast switching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211696934U (en) |
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2020
- 2020-03-26 CN CN202020400121.6U patent/CN211696934U/en active Active
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