CN214668120U - Tool and device for detecting main friction plate positioning round navel shearing force of wedge - Google Patents
Tool and device for detecting main friction plate positioning round navel shearing force of wedge Download PDFInfo
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- CN214668120U CN214668120U CN202023244377.1U CN202023244377U CN214668120U CN 214668120 U CN214668120 U CN 214668120U CN 202023244377 U CN202023244377 U CN 202023244377U CN 214668120 U CN214668120 U CN 214668120U
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- main friction
- wedge
- friction plate
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Abstract
The utility model relates to a detect slide wedge main friction plate location frock for circle navel shearing force, the key is: the test device comprises a base, a front clamping plate and a rear clamping plate, wherein the front clamping plate and the rear clamping plate are arranged on the base; the rear clamping plate is arranged on the base through a telescopic mechanism, is parallel and opposite to the front clamping plate, has the freedom degree of moving back and forth relative to the side surface of the front clamping plate, and forms a space capable of clamping a bottom plate of the main friction plate of the wedge between the front clamping plate and the rear clamping plate; the test slots, the front clamping plate and the rear clamping plate are arranged in a T-shaped space along the vertical direction.
Description
Technical Field
The utility model belongs to the technical field of the part detects frock for the railway freight car, a detect frock for slide wedge main friction plate is related to, specifically be a detect frock and device for slide wedge main friction plate location circle navel shearing force.
Background
The main friction plate of the wedge is one of railway wagon accessories, is made of a high polymer composite material, and is used for increasing the rotation damping between a bogie and a wagon body, so that a vehicle can run safely, and the shaking snake-shaped motion of the bogie and the wagon body can be inhibited.
The existing main friction plate of the wedge often has the phenomenon of damage to the root of a round navel, and the safety and the reliability of vehicle operation are seriously influenced. The reason is that the connection between the circular umbilicus in the main friction plate of the produced wedge and the reinforced layer of the main friction plate of the wedge is not up to the standard, so that the shearing force value of the circular umbilicus is low. In the prior art, an enterprise does not set a quality inspection process for detecting the positioning circular navel shearing force of the main friction plate of the high-molecular composite material in batches, and a tool matched with the quality inspection process and used for detecting the positioning circular navel shearing force of the main friction plate of the wedge, and the produced main friction plate of the wedge is directly applied to a vehicle for railway freight without being detected by the shearing force.
In view of the above, it is necessary to provide a tool for detecting the umbilical shearing force of the main friction plate of the wedge.
SUMMERY OF THE UTILITY MODEL
For solving the technical problem, the utility model provides a detect frock and device for slide wedge main friction plate location circle navel shearing force has solved among the prior art in the slide wedge main friction plate the reinforcing aspect connection of circle navel and slide wedge main friction plate not up to standard lead to circle navel shearing force value to hang down and influence the technical problem of railway freight car safe operation.
In order to solve the above problems, the utility model adopts the following technical proposal:
the utility model provides a detect frock for main friction plate location circle navel shearing force of slide wedge, the key is: the test device comprises a base, a front clamping plate and a rear clamping plate, wherein the front clamping plate and the rear clamping plate are arranged on the base;
the rear clamping plate is arranged on the base through a telescopic mechanism, is parallel and opposite to the front clamping plate, has the freedom degree of moving back and forth relative to the side surface of the front clamping plate, and forms a space capable of clamping a bottom plate of the main friction plate of the wedge between the front clamping plate and the rear clamping plate;
the test slots, the front clamping plate and the rear clamping plate are arranged in a T-shaped space along the vertical direction.
The split type of the front clamping plate is provided with a first front clamping plate and a second front clamping plate, the first front clamping plate and the second front clamping plate are respectively fixed on the same straight line of the base, a gap is formed between the two side faces of the first front clamping plate and the two side faces of the second front clamping plate, and the gap is a test slot capable of accommodating a main friction plate of the wedge to position the round navel.
The fixture further comprises a fastening baffle, and the fastening baffle is fixedly connected with the front side faces of the first front clamping plate and the second front clamping plate.
Telescopic machanism be telescopic bolt, first front splint, second front splint on be provided with the through-hole that can pass telescopic bolt respectively, two through-holes at same height, the back splint on be provided with the through-hole that first front splint, second front splint correspond, telescopic bolt quantity be 2, two telescopic bolt is passing respectively behind the through-hole of first front splint, back splint and second front splint, back splint, telescopic bolt's both ends are connected with the nut respectively and are used for pressing from both sides tight slide wedge main friction plate bottom plate.
The device for detecting the positioning round-navel shearing force of the main friction plate of the wedge is characterized by comprising a universal material testing machine, a pressure head and the tool for detecting the positioning round-navel shearing force of the main friction plate of the wedge, wherein the pressure head is fixed on a lifting mounting seat of the universal material testing machine;
the tool for detecting the positioning round navel shearing force of the main friction plate of the wedge is fixed on a workbench of the universal material testing machine, and the axis of the pressure head is superposed with the central line of the test slot of the tool for detecting the positioning round navel shearing force of the main friction plate of the wedge; the width of the test slot is greater than the width of the indenter.
The difference between the width of the test slot and the width of the pressure head is 1mm to 2 mm.
The bottom surface of pressure head be the arc recess, the arc recess with the diameter of slide wedge main friction plate location circle navel is the same, the degree of depth of arc recess is greater than 1/2 slide wedge main friction plate location circle navel radius.
Adopt the produced beneficial effect of above-mentioned technical scheme to lie in:
the utility model discloses a detect slide wedge main friction plate location circle navel frock for shearing force, carry out the circle navel shearing force test of assigned pressure to the slide wedge main friction plate of production through universal material testing machine and pressure head again through frock centre gripping slide wedge main friction plate, and reject the finished product that the shearing force value is low on the throne, thereby guarantee that the slide wedge main friction plate through shearing force quality testing can both bear the shearing force value that accords with the standard, so that it can undertake corresponding shearing force at the in-process of freight train operation, increase the gyration damping between bogie and the automobile body, restrain the snakelike motion of shaking the head of bogie and automobile body, guarantee vehicle safe operation.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of the tool for detecting the main friction plate positioning round navel shearing force of the wedge of the present invention;
FIG. 2 is a sectional view taken along line A-A of FIG. 1;
FIG. 3 is a schematic structural view of the device for detecting main friction plate positioning and navel cutting of the wedge of the present invention;
FIG. 4 is a schematic structural diagram of the tooling for detecting the main friction plate positioning circular navel shearing force and the pressure head in FIG. 3 during operation;
FIG. 5 is a top view of FIG. 4;
fig. 6 is a partially enlarged view at B in fig. 4.
Wherein: 1. the base, 2, the front splint, 21, first front splint, 22, the second front splint, 3, the back splint, 4, the test groove, 5, slide wedge main friction plate bottom plate, 51, slide wedge main friction plate location circle navel, 6, the fastening baffle, 7, telescopic bolt, 8, the nut, 9, universal material testing machine, 10, the pressure head, 11, the lift mount pad, 12, first inclined plane, 13, second inclined plane.
Detailed Description
To make the objects, aspects and advantages of the present invention clearer, and in accordance with the following detailed description of certain embodiments of the present invention, it is to be understood that the terms "center," "vertical," "horizontal," "up," "down," "front," "back," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship shown in the accompanying drawings, which are used for convenience of description and simplicity of illustration, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
The tool for detecting the main friction plate positioning round navel shearing force of the wedge as shown in figures 1-2 has the key points that: the test device comprises a base 1, a front clamping plate 2 and a rear clamping plate 3, wherein the front clamping plate 2 and the rear clamping plate 3 are arranged on the base 1 and are used for fixing a main friction plate bottom plate 5 of a wedge, a test slot 4 which is opened upwards and can accommodate a main friction plate positioning round navel 51 of the wedge is arranged on the front clamping plate 2, and the bottom of the front clamping plate 2 is fixedly connected with the base 1 so as to ensure that the main friction plate of the wedge fixed by the front clamping plate 2 and the rear clamping plate 3 is kept stable in the process of shear force test; the fixing mode of the front splint 2 and the base 1 has various types, and can be welding, integral processing molding or other fixing modes capable of keeping the fixing effect of the front splint 2 and the base 1 stable.
In order to conveniently adjust clamping and loosening of the main friction plate of the wedge, the rear clamping plate 3 and the base 1 are arranged in a split mode, the rear clamping plate 3 is arranged on the base 1 through a telescopic mechanism, is parallel and opposite to the front clamping plate 2 and has a degree of freedom for moving back and forth relative to the side face of the front clamping plate 2, and a space capable of clamping a bottom plate 5 of the main friction plate of the wedge is formed between the front clamping plate 2 and the rear clamping plate 3; the test slots 4, the front clamping plate 2 and the rear clamping plate 3 are formed into T-shaped spaces along the vertical direction. After the main friction plate bottom plate 5 of the wedge is arranged in the front clamping plate 2 and the rear clamping plate 3, the main friction plate positioning circular umbilicus 51 of the wedge is positioned in the test slot 4, and the telescopic mechanism is adjusted to enable the front clamping plate 2 and the rear clamping plate 3 to clamp the main friction plate bottom plate 5 of the wedge.
The front clamp plate 2 can be integrally or separately arranged, in this embodiment, in order to reduce the manufacturing cost and simplify the manufacturing process, the front clamp plate 2 is separately arranged into a first front clamp plate 21 and a second front clamp plate 22, the first front clamp plate 21 and the second front clamp plate 22 are respectively fixed on the same straight line of the base 1, a gap is arranged between two side surfaces of the first front clamp plate 21 and the second front clamp plate 22, and the gap is a test slot 4 capable of accommodating a main friction plate positioning circular navel 51 of an inclined wedge.
In addition, in order to stabilize the force applied to the first front plate 21 and the second front plate 22 during the shear force test and prevent the first front plate 21 or the second front plate 22 from rolling alone, the fastening baffle 6 is fixedly connected to the front side surfaces of the first front plate 21 and the second front plate 22, and in this embodiment, the fastening baffle 6 is screwed to the first front plate 21 and the second front plate 22.
Telescopic machanism's kind has a lot, can be lead screw, cylinder, pneumatic cylinder, electric cylinder etc. and in this implementation, select telescopic machanism to be miniature lead screw, telescopic bolt 7 promptly, first front plate 21, second front plate 22 on be provided with the through-hole that can pass telescopic bolt 7 respectively, two through-holes at same height, back splint 3 on be provided with the through-hole that first front plate 21, second front plate 22 correspond, telescopic bolt 7 quantity be 2, pass respectively behind the through-hole of first front plate 21, back splint 3 and second front plate 22, back splint 3, telescopic bolt 7's both ends are connected with nut 8 respectively and are used for pressing from both sides tight slide wedge main friction plate bottom plate 5.
As shown in fig. 3 to 6, in this embodiment, a device for detecting the umbilical cord shearing force of the main friction plate positioning of the wedge is further provided, and the key points are: the device comprises a universal material testing machine 9, a pressure head 10 and the tool for detecting the positioning circular umbilicus shearing force of the main friction plate of the wedge, wherein the pressure head 10 is fixed on a lifting mounting seat 11 of the universal material testing machine 9 and is used for applying the shearing force to the positioning circular umbilicus 51 of the main friction plate of the wedge;
when the main friction plate of the wedge needs to be detected, the tool for detecting the positioning round navel shearing force of the main friction plate of the wedge is fixed on a workbench of the universal material testing machine 9, the axis of the pressure head 10 is superposed with the central line of the test slot 4 of the tool for detecting the positioning round navel shearing force of the main friction plate of the wedge, and the pressure head 10 can be accurately pressed on the positioning round navel 51 of the main friction plate of the wedge in the pressing process; to facilitate the movement of the indenter 10 into and out of the test slot 4, the width of the test slot 4 is configured to be greater than the width of the indenter 10. The difference between the width of the test slot 4 and the width of the indenter 10 is in the range of 1mm to 2mm, and in this embodiment, the difference between the widths is 1 mm.
In addition, in the process that the pressure head 10 performs the shearing force test on the main friction plate positioning circular umbilicus 51, the stress of the main friction plate positioning circular umbilicus 51 is closer to the stress condition when the pressure head is on a freight vehicle, the bottom surface of the pressure head 10 is an arc-shaped groove attached to the outer surface of the main friction plate positioning circular umbilicus 51, the diameter of the arc-shaped groove is the same as that of the main friction plate positioning circular umbilicus 51, and the depth of the arc-shaped groove is greater than the radius of the main friction plate positioning circular umbilicus 51 of 1/2.
Further, in order to provide guidance for the indenter 10 during the process of entering the test slot 4, the upper ends of two opposite sides of the first front clamping plate 21 and the second front clamping plate 22 are respectively provided with a first inclined surface 12 and a second inclined surface 13 which can provide guidance for the indenter 10.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention.
Claims (7)
1. The utility model provides a detect frock for main friction plate location circle navel shearing force of slide wedge, its characterized in that: the device comprises a base (1), a front clamping plate (2) and a rear clamping plate (3), wherein the front clamping plate (2) and the rear clamping plate are arranged on the base (1), a test slot (4) which is provided with an upward opening and can accommodate a main friction plate positioning circular navel (51) of a wedge is arranged on the front clamping plate (2), and the bottom of the front clamping plate (2) is fixedly connected with the base (1);
the rear clamping plate (3) is arranged on the base (1) through a telescopic mechanism, is parallel and opposite to the front clamping plate (2), has the freedom degree of moving back and forth relative to the side surface of the front clamping plate (2), and a space capable of clamping a main friction plate bottom plate (5) of the wedge is formed between the front clamping plate (2) and the rear clamping plate (3);
the test slots (4) and the spaces between the front clamping plate (2) and the rear clamping plate (3) form a T-shaped space along the vertical direction.
2. The tool for detecting the main friction plate positioning circular umbilicus shearing force of the tapered wedge according to claim 1, wherein the tool comprises: preceding splint (2) components of a whole that can function independently set up to first preceding splint (21) and second preceding splint (22), first preceding splint (21) and second preceding splint (22) be fixed in respectively on the collinear of base (1), first preceding splint (21) with be provided with the space between the both sides face of second preceding splint (22), the space test groove (4) for holding slide wedge main friction plate location circle navel (51).
3. The tool for detecting the main friction plate positioning circular umbilicus shearing force of the tapered wedge of claim 2, wherein: the tool further comprises a fastening baffle (6), and the fastening baffle (6) is fixedly connected with the front side faces of the first front clamping plate (21) and the second front clamping plate (22).
4. The tool for detecting the main friction plate positioning circular umbilicus shearing force of the tapered wedge of claim 2, wherein: telescopic machanism be telescopic bolt (7), first front splint (21), second front splint (22) on be provided with the through-hole that can pass telescopic bolt (7) respectively, two the through-hole at same height, back splint (3) on be provided with the through-hole that first front splint (21), second front splint (22) correspond, telescopic bolt (7) quantity be 2, two telescopic bolt (7) are passing respectively behind the through-hole of first front splint (21), back splint (3) and second front splint (22), back splint (3), the both ends of telescopic bolt (7) are connected with nut (8) respectively and are used for pressing from both sides tight slide wedge main friction plate bottom plate.
5. The utility model provides a detect device for main friction plate location circle navel shearing force of slide wedge, its characterized in that: the device comprises a universal material testing machine (9), a pressure head (10) and the tool for detecting the positioning round navel shearing force of the main friction plate of the wedge as claimed in any one of claims 1 to 4, wherein the pressure head (10) is fixed on a lifting mounting seat (11) of the universal material testing machine (9);
the tool for detecting the main friction plate positioning navel shearing force of the wedge is fixed on a workbench of the universal material testing machine (9), and the axis of the pressure head (10) is superposed with the central line of the test slot (4) of the tool for detecting the main friction plate positioning navel shearing force of the wedge; the width of the test slot (4) is larger than that of the pressure head (10).
6. The device for detecting the navel shearing force for positioning the main friction plate of the wedge as claimed in claim 5, wherein: the difference between the width of the test slot (4) and the width of the pressure head (10) is 1mm to 2 mm.
7. The device for detecting the navel shearing force for positioning the main friction plate of the wedge as claimed in claim 5, wherein: the bottom surface of pressure head (10) be the arc recess, the arc recess with the diameter of slide wedge main friction plate location circle navel (51) is the same, the degree of depth of arc recess is greater than 1/2 slide wedge main friction plate location circle navel (51) radius.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023244377.1U CN214668120U (en) | 2020-12-29 | 2020-12-29 | Tool and device for detecting main friction plate positioning round navel shearing force of wedge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023244377.1U CN214668120U (en) | 2020-12-29 | 2020-12-29 | Tool and device for detecting main friction plate positioning round navel shearing force of wedge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214668120U true CN214668120U (en) | 2021-11-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023244377.1U Active CN214668120U (en) | 2020-12-29 | 2020-12-29 | Tool and device for detecting main friction plate positioning round navel shearing force of wedge |
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| Country | Link |
|---|---|
| CN (1) | CN214668120U (en) |
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2020
- 2020-12-29 CN CN202023244377.1U patent/CN214668120U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230515 Address after: 050000 No. 0159 Shifu East Street, Xinji City, Shijiazhuang City, Hebei Province Patentee after: HEBEI TENGYUE RAILWAY EQUIPMENT CO.,LTD. Patentee after: Hebei Tengyue Railway Vehicle Parts Technology Co.,Ltd. Address before: 052360 No. 0159 Shifu East Street, Xinji City, Shijiazhuang City, Hebei Province Patentee before: HEBEI TENGYUE RAILWAY EQUIPMENT CO.,LTD. |
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| TR01 | Transfer of patent right |