CN218823124U - Brake block compression ratio test tool convenient to replace pressure head - Google Patents
Brake block compression ratio test tool convenient to replace pressure head Download PDFInfo
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- CN218823124U CN218823124U CN202222515911.0U CN202222515911U CN218823124U CN 218823124 U CN218823124 U CN 218823124U CN 202222515911 U CN202222515911 U CN 202222515911U CN 218823124 U CN218823124 U CN 218823124U
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- pressure head
- bottom plate
- groove
- compression ratio
- strip
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Abstract
The utility model discloses a brake pads compression ratio test frock convenient to change pressure head. Comprises a bottom plate, a handle and a pressure head; the compression ratio testing machine is characterized in that the top of the base plate is installed on the compression ratio testing machine through a sliding groove, a threaded hole is formed in the side face of the base plate, the end part of the handle is sleeved in the threaded hole through threads, a pressure head is installed at the bottom end of the base plate, a hole and a groove for conveniently installing two pressure heads or one pressure head are formed between the upper end face and the lower end face of the base plate, and the through hole and/or the groove are/is connected with the threaded hole in the center of the pressure head through bolts. The utility model discloses can select the pressure head of adaptation according to the model of brake pads, can install single pressure head also can ann double pressure head, can adjust the distance between the double pressure head at will, simulate the operating condition of brake pads.
Description
Technical Field
The utility model belongs to a brake block test fixture, concretely relates to brake block compression ratio test fixture convenient to change pressure head.
Background
The specifications of the automobile brakes are various, and pistons in the brakes of various types and the brake blocks matched with the pistons are different. When the compression ratio test is carried out on the brake block, the actual working state of the brake block needs to be simulated, namely, a pressure block with the same cylinder diameter as a piston needs to be used for applying the pressure required by the test on the brake block.
Because the models of the brake blocks needing compression rate tests are very many, if a set of complete tooling is manufactured for the brake blocks of each model, larger test cost is generated and the tooling is not easy to manage, and therefore a set of universal tooling convenient for replacing the brake blocks is needed.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem that exists among the background art, the utility model aims at using the frock part as few as possible to remove the brake block of every model of adaptation and carry out the compression ratio test, and it is convenient that the frock installation is changed.
The utility model discloses a concrete scheme as follows:
the utility model comprises a bottom plate, a handle and a pressure head; the compression testing machine is characterized in that the top of the base plate is installed on the compression testing machine through a sliding groove, a threaded hole is formed in the side face of the base plate, the end part of the handle is sleeved in the threaded hole through a thread, a pressure head is installed at the bottom end of the base plate, a hole and a groove for facilitating installation of two pressure heads or one pressure head are formed between the upper end face and the lower end face of the base plate, and the through hole and/or the groove are/is connected with the threaded hole in the center of the pressure head through a bolt.
The handle is in a trapezoid design with unequal thicknesses, and the thin end of the handle is a threaded head and is connected into a threaded hole in the side face of the bottom plate.
And strip-shaped flanges are arranged on two sides of the top end of the bottom plate and used for being matched and embedded with the strip-shaped groove of the compression rate testing machine.
The bottom plate is provided with two through holes and strip-shaped through grooves between the upper end surface and the lower end surface, the two through holes and the strip-shaped through grooves are located on the same straight line, and the two through holes are located on the same side of the strip-shaped through grooves.
The pressure head is designed according to the actual specification of the brake piston, and is provided with a plurality of sets of pressure heads which are mainly divided into a single cylinder type and a double cylinder type. The pressure head is cylindrical, one end of the pressure head is sunken, and a threaded hole is formed in the center of the pressure head and used for being connected with the bottom plate.
When a pressure head is arranged on the lower end face of the bottom plate, the bolt penetrates through the through hole close to the strip-shaped through groove in the bottom plate and then is in threaded connection with the threaded hole in the center of the pressure head.
When two pressure heads are installed on the lower end face of the bottom plate, one bolt penetrates through the through hole far away from the strip-shaped through groove in the bottom plate and then is in threaded connection with the threaded hole in the center of one pressure head, and the other bolt penetrates through the strip-shaped through groove in the bottom plate and then is in threaded connection with the threaded hole in the center of the other pressure head.
The through holes and the strip-shaped through grooves of the bottom plate are processed into counter bore and sink groove structures on the upper end face.
The utility model discloses can select the pressure head of adaptation according to the model of brake pads, can install single pressure head and also can ann double pressure head, and can adjust the distance between the double pressure head at will, simulate the operating condition of brake pads.
The beneficial effects of the utility model are that:
the utility model discloses simple structure, it is convenient to assemble between the three parts, connects firm safety. When changing different model brake pads at every turn and testing, only need to change the pressure head of adaptation, the furthest keeps the frock part the same under the condition of simulation brake pads operating condition, makes the frock compression ratio change little, can promote experimental precision.
Drawings
Fig. 1 is an experimental schematic diagram of the present invention.
Fig. 2 is an installation schematic diagram of the present invention.
Fig. 3 is a schematic view of the bottom plate of the present invention.
Fig. 4 is a schematic view of the bottom plate end face of the present invention.
In the figure: 1. the compression testing machine comprises a bottom plate, 2, a handle, 3, a pressure head, 4, a brake block, 5, a displacement sensor, 6 and a compression testing machine.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, the tool comprises a bottom plate 1, a handle 2 and a pressure head 3; the top of the bottom plate 1 is installed on the compression ratio testing machine 6 through the sliding groove, a threaded hole is formed in the side face of the bottom plate 1, the end portion of the handle 2 is sleeved in the threaded hole through threads, the handle 2 is connected with the side face of the bottom plate, the handle 2 is convenient for testers to move the tool, a high-temperature project is provided for the test, and the long handle is safer to set.
As shown in fig. 3 and 4, a pressure head 3 is mounted at the bottom end of a tool base plate 1, a hole and a groove for conveniently mounting two pressure heads 3 or one pressure head 3 are formed between the upper end surface and the lower end surface of the base plate 1, a bolt penetrates through the hole and is embedded into the hole, and the through hole and/or the groove are connected with a threaded hole in the center of the pressure head 3 through the bolt.
The handle 2 is in a trapezoidal design with different thicknesses, and the thin end is a threaded head and is connected into a threaded hole in the side surface of the bottom plate 1.
The top both sides of bottom plate 1 are equipped with the bar flange, and the bar flange is used for agreeing with the dress with the bar groove of compression ratio testing machine 6.
It has two through-holes and bar to lead to the groove to open between the terminal surface about the bottom plate 1, and two through-holes and bar lead to the groove and lie in same straight line, and two through-holes lie in bar and lead to groove with one side, make like this can install single cylinder pressure head 3, also install double-cylinder pressure head 3, and pressure head 3 moves on the recess in addition, is convenient for control mounting hole apart from.
As shown in fig. 2, when a pressure head 3 is installed on the lower end face of the base plate 1, the bolt passes through the through hole of the base plate 1 near the strip-shaped through groove and then is connected to the threaded hole in the center of the pressure head 3 in a threaded manner, and the position of the pressure head 3 is fixed and cannot be adjusted.
As shown in fig. 2, when two pressing heads 3 are installed on the lower end surface of the bottom plate 1, one bolt penetrates through the through hole of the bottom plate 1, which is far away from the strip-shaped through groove, and then is connected to the threaded hole in the center of one pressing head 3, the other bolt penetrates through the strip-shaped through groove of the bottom plate 1, and then is connected to the threaded hole in the center of the other pressing head 3, so that the two pressing heads 3 are installed, wherein the pressing heads 3 of the strip-shaped through groove move along with the strip-shaped through groove to adjust the position, and further the distance between the two pressing heads 3 is adjusted.
The through hole and the strip-shaped through groove of the bottom plate 1 are processed into counter bores and sink groove structures on the upper end face, so that a bolt head can conveniently sink into the through hole and the strip-shaped through groove and cannot protrude out of the back face of the bottom plate 1.
The upper end face of the bottom plate 1 is taken as the back face, and the lower end face is taken as the front face, and the specific implementation process of the invention is as follows:
firstly, the threaded head at one side of the handle 1 is aligned with the threaded hole at the side of the bottom plate 1 and screwed in, and the connection of the handle 2 and the bottom plate 1 is completed.
And the adaptive pressure head 3 is selected according to the type of the brake block 4.
As shown in fig. 2, in the case of the single-cylinder brake pad 4, the threaded hole in the center of the pressure head 3 is aligned with the through hole in the center of the front surface of the bottom plate 1, the hexagon socket head cap screw is used to pass through the through hole in the back surface of the bottom plate 1, the screw head is embedded into the groove, and the screw thread is screwed into the threaded hole of the pressure head 3, so that the connection between the pressure head 3 and the bottom plate 1 is completed.
As shown in figure 2, if the brake block 4 is a double-cylinder brake block, a pair of adaptive press heads 3 is selected, a threaded hole in the center of one press head 3 is aligned with a threaded hole in the position on the front side of the bottom plate 1, the brake block is fixed by using an inner hexagonal bolt, a threaded hole in the center of the other press head 3 is moved in a groove in the front side of the bottom plate 1, the brake block is scribed to a proper position according to the hole pitch of two pistons of the brake, and the inner hexagonal bolt penetrates through the groove in the back side of the bottom plate 1 and is screwed into the threaded hole of the press head 3 for fixing.
As shown in fig. 1, the mounted tool is inserted into a compression tester 6, and the position of a displacement sensor 5 is adjusted so that a sensor pointer contacts the back surface of a base plate 1 of the tool.
And then the brake block 4 is placed on a platform of a compression ratio tester 6 and aligned with the pressure head 3 of the tool, and the height is adjusted on the plane.
The start test, the platform lifting of compression testing machine 6, the pressure head 3 contact extrusion of brake pads 4 and frock, displacement sensor 5 measures the compression volume of brake pads.
When the brake pads 4 of different models are replaced next time for testing, only the tool needs to be taken out, and the adaptive pressure head 3 is replaced.
Claims (7)
1. The utility model provides a brake pads compression ratio test frock convenient to change pressure head which characterized in that: comprises a bottom plate (1), a handle (2) and a pressure head (3); bottom plate (1) top pass through the spout and install on compression ratio testing machine (6), bottom plate (1) side threaded hole, handle (2) tip passes through the screw thread suit in the threaded hole, pressure head (3) are installed to bottom plate (1) bottom, have the hole and the groove that are used for two pressure heads (3) of easy to assemble or pressure head (3) between the terminal surface about bottom plate (1), through-hole and/or groove pass through bolted connection with the screw hole at pressure head (3) center.
2. The brake pad compression ratio test tool convenient for replacing an indenter as claimed in claim 1, wherein: the handle (2) is in a trapezoidal unequal-thickness design, and the thin end of the handle is a threaded head and is connected into a threaded hole in the side face of the bottom plate (1).
3. The brake pad compression ratio test tool convenient for replacing an indenter as claimed in claim 1, wherein: and strip-shaped flanges are arranged on two sides of the top end of the bottom plate (1) and used for being matched and embedded with the strip-shaped groove of the compression ratio testing machine (6).
4. The brake pad compression ratio test tool convenient for replacing the indenter as claimed in claim 1, wherein: two through holes and a strip-shaped through groove are formed between the upper end face and the lower end face of the bottom plate (1), the two through holes and the strip-shaped through groove are located on the same straight line, and the two through holes are located on the same side of the strip-shaped through groove.
5. The brake pad compression ratio test tool convenient for replacing an indenter as claimed in claim 1, wherein: when a pressure head (3) is arranged on the lower end face of the bottom plate (1), the bolt penetrates through the through hole close to the strip-shaped through groove in the bottom plate (1) and then is connected to the threaded hole in the center of the pressure head (3) in a threaded mode.
6. The brake pad compression ratio test tool convenient for replacing an indenter as claimed in claim 1, wherein: when two pressure heads (3) are installed on the lower end face of the bottom plate (1), one bolt penetrates through a through hole, far away from the strip-shaped through groove, in the bottom plate (1) and is connected to a threaded hole in the center of one pressure head (3) in a threaded mode, and the other bolt penetrates through the strip-shaped through groove in the bottom plate (1) and is connected to a threaded hole in the center of the other pressure head (3) in a threaded mode.
7. The brake pad compression ratio test tool convenient for replacing an indenter as claimed in claim 1, wherein: the through holes and the strip-shaped through grooves of the bottom plate (1) are processed into counter bore and sink groove structures on the upper end face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222515911.0U CN218823124U (en) | 2022-09-22 | 2022-09-22 | Brake block compression ratio test tool convenient to replace pressure head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222515911.0U CN218823124U (en) | 2022-09-22 | 2022-09-22 | Brake block compression ratio test tool convenient to replace pressure head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218823124U true CN218823124U (en) | 2023-04-07 |
Family
ID=87257604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222515911.0U Active CN218823124U (en) | 2022-09-22 | 2022-09-22 | Brake block compression ratio test tool convenient to replace pressure head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218823124U (en) |
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2022
- 2022-09-22 CN CN202222515911.0U patent/CN218823124U/en active Active
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