CN220583937U - Clamp for quick-assembly and quick-disassembly current-carrying friction test - Google Patents
Clamp for quick-assembly and quick-disassembly current-carrying friction test Download PDFInfo
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- CN220583937U CN220583937U CN202321966377.3U CN202321966377U CN220583937U CN 220583937 U CN220583937 U CN 220583937U CN 202321966377 U CN202321966377 U CN 202321966377U CN 220583937 U CN220583937 U CN 220583937U
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- 238000012360 testing method Methods 0.000 title claims abstract description 55
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000005299 abrasion Methods 0.000 abstract description 5
- 238000011160 research Methods 0.000 abstract description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 8
- 229910052802 copper Inorganic materials 0.000 description 8
- 239000010949 copper Substances 0.000 description 8
- 238000009413 insulation Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000006399 behavior Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000001808 coupling effect Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
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- Clamps And Clips (AREA)
Abstract
The utility model discloses a clamp for a quick-assembly and quick-disassembly current-carrying friction test, which comprises a clamp main body, wherein the top of the clamp main body is provided with a handle, the outer side of the handle is sleeved with an opening insulating sleeve, the bottom of the clamp main body is fixedly provided with a clamping block through a double-head forward and reverse bolt and a clamping block fixing screw, a deformation groove and a ball socket are formed between the clamping block and the clamp main body in a fixing mode, and the quick-assembly and quick-disassembly clamp for the current-carrying friction test is provided for solving the problem of carrying friction and abrasion test research of electrified current carrying on the existing friction and abrasion test machine and realizing quick assembly and replacement of abrasion media on the basis of meeting the electrified current-carrying test.
Description
Technical Field
The utility model relates to the technical field of friction and wear test devices, in particular to a clamp for a quick-assembly and quick-disassembly current-carrying friction test.
Background
With the widespread use of sliding electrical connectors in the fields of nuclear power, aerospace and rail transit, the stability of electrical contact systems has become critical to the reliable operation of the device. In the sliding electric contact process, the contact interface has the combined action of current abrasion and mechanical abrasion due to the thermal-electric-force multi-field coupling effect. In order to explore the frictional wear behavior and mechanism of the electrical contact interface, a frictional wear test of current-carrying electrical contact is required.
In the friction and wear test device in the prior art, the fixed head needs to be dismantled in the process of installing and replacing friction test media (copper balls), the fixed head is generally connected through a screw pair, the operation is complex, the preparation work such as leveling of a fixture clamp is needed after each replacement, and a large amount of auxiliary work is brought to the test process. In addition, the conventional test device does not have the function of an electrified load, and cannot simulate the friction and wear behaviors of a contact interface of the connector under the electrified load.
The utility model provides a quick-mounting and quick-dismounting clamp for a current-carrying friction test, which aims to solve the problems that the existing friction and wear testing machine is subjected to friction and wear test research of charged current carrying and can be used for quick mounting and replacement of a wear medium.
Disclosure of Invention
In order to achieve the purpose, the utility model provides a quick-assembly and quick-disassembly clamp for a current-carrying friction test, which solves the problems that the prior art cannot be suitable for electrified loads and is inconvenient to disassemble, assemble and replace, and realizes the quick clamping and disassembly of friction media (copper balls) by driving the opening and closing states of clamping blocks through a double-head forward and reverse screw pair structure; insulation between the clamp and the test equipment under the condition of electrified load is realized through the opening insulation sleeve; and a lead installation fixing interface is arranged on the clamp body so as to realize the requirement of an electrified current carrying load test.
A clamp for a quick-assembly and quick-disassembly current-carrying friction test. The clamp is characterized by comprising a clamp body, wherein the top of the clamp body is provided with a handle, the outer side of the handle is sleeved with an opening insulation sleeve, the bottom of the clamp body is fixedly provided with a clamping block through a double-head forward and reverse bolt and a clamping block fixing screw, and a deformation groove and a ball socket are formed between the clamping block and the clamp body in a fixed mode.
Further, the clamp for the quick-assembly quick-disassembly current-carrying friction test is characterized in that the whole clamp body is of a cylindrical structure, the radius of the middle part is largest, the top part is a cylinder with the radius smaller than that of the middle part, one side of the lower end of the middle largest radius part is provided with a beveling structure, when the beveling is smaller than that of the top part, the beveling structure is changed into a vertical cutting structure, the vertical cutting structure extends to the bottommost end of the clamp body, the other side of the vertical cutting structure is cut off in a half way from the direction parallel to the vertical cutting of the bottom part at the center of the circle, and the vertical cutting degree of the lower part of the bottom end is deepened; the bottom of the clamp main body is subjected to conization treatment, and the cone top is downward.
Furthermore, the clamp for the quick-assembly and quick-disassembly current-carrying friction test is characterized in that a spherical groove is formed in the conical top at the bottom of the clamp main body, and the center of the spherical groove passes through the center of the conical top of the clamp main body.
Further, the clamp for the quick-assembly and quick-disassembly current-carrying friction test further comprises a clamp main body, wherein 5 through holes are formed in the vertical section of the clamp main body, two clamping block fixing threaded holes are formed in the middle of the clamp main body in parallel, two wire fixing threaded holes are formed in the middle of the clamp main body in a perpendicular mode, and a positive-rotation threaded hole is formed in the bottom of the clamp main body.
Further, the clamp for the quick-assembly and quick-disassembly current-carrying friction test is of a semi-cylindrical block structure, wherein the outer side of the clamp is overlapped with the inclined cutting corresponding part of the clamp main body, the clamp is symmetrical to the vertical cutting structure at the other side of the clamp main body, and the bottom of the clamp is a cone.
Furthermore, the clamp for the quick-assembly and quick-disassembly current-carrying friction test can be correspondingly overlapped with the clamp main body, a spherical groove is formed in the top cone, and the center of the spherical groove passes through the center of the cone top of the clamp.
Further, the clamp for the quick-assembly and quick-disassembly current-carrying friction test is characterized in that 3 through holes are distributed on the clamping block, two through holes are formed in the position corresponding to the clamping block fixing threaded holes on the clamp main body, and a left-handed threaded hole is formed in the position corresponding to the positive-handed threaded hole.
Further, the clamp for the quick-assembly quick-disassembly current-carrying friction test further comprises a clamping block fixing screw penetrating through the through hole and the clamping block fixing threaded hole, wherein the wire fixing screw is fixed in the wire fixing threaded hole, and the double-head forward and reverse bolts penetrate through the left-handed threaded hole and the positive-handed threaded hole.
Further, the clamp for the quick-assembly quick-release current-carrying friction test further comprises a double-head forward-reverse bolt which is of a rod structure, wherein one end of the double-head forward-reverse bolt is provided with left-handed external threads, the other end of the double-head forward-reverse bolt is provided with right-handed external threads, the two ends of the double-head forward-reverse bolt are respectively provided with forward-handed external threads and reverse-handed external threads, after the double-head forward-reverse clamping bolt is screwed into the threaded hole, the double-head forward-reverse clamping bolt is screwed forward, through the effect of a forward-reverse thread pair, the clamp main body and the compression block are driven to do clamping deformation, through the effect of the reverse-thread pair, the clamp main body and the compression block are driven to do loosening deformation, and then the purposes of fast clamping and loosening copper balls are achieved, and fast clamping and dismounting of a wear medium are achieved.
The utility model has the beneficial effects that: the clamp is mainly used for carrying out the occasion of the friction and wear test of the electrified load on the friction testing machine and mainly comprises a clamp main body, a clamping block, double-head forward and reverse bolts, screws and an opening insulating sleeve. The double-head forward and reverse screw pair structure drives the clamping block to be opened and closed, so that the friction medium (copper ball) is rapidly clamped and disassembled; insulation between the clamp and the test equipment under the condition of electrified load is realized through the opening insulation sleeve; and a lead installation fixing interface is arranged on the clamp body so as to realize the requirement of an electrified current carrying load test. The clamp can carry out a current-carrying test of an electrified load on a friction testing machine in the prior art, and can realize the rapid installation and replacement of a friction medium (copper ball) by only rotating the double-head forward and reverse bolts for one circle through the design of a rapid disassembly and rapid assembly structure without leveling work, thereby effectively improving the working efficiency.
Drawings
FIG. 1 is a schematic front view of a clamp for a quick-assembly and quick-disassembly current-carrying friction test;
FIG. 2 is a schematic view of the back of a clamp for a quick-detachable current-carrying friction test
FIG. 3 is an exploded view of a clamp structure for a quick-assembly and quick-disassembly current-carrying friction test;
FIG. 4 is a schematic partial cross-sectional view of a quick-release clamp for a current-carrying friction test;
in the figure: 1-clamp body, 101-semi-ball socket, 102-clamp block fixing threaded hole, 103-normal screw hole, 104-sinking table, 105-wire fixing threaded hole, 106-handle, 2-clamp block, 201-semi-ball socket, 202-left screw hole 203-via hole, 3-double-head forward and reverse bolt, 301-left-handed external thread, 302-right-handed external thread, 4-clamping block fixing screw, 5-wire fixing screw, 6-opening insulating sleeve, 601-opening groove, 7-deformation groove and 8-ball socket.
Detailed Description
Further advantages and effects of the present utility model will become apparent to those skilled in the art from the disclosure of the present specification, by describing the embodiments of the present utility model with specific examples. While the description of the utility model will be described in connection with the preferred embodiments, it is not intended to limit the inventive features to the implementation. Rather, the purpose of the utility model described in connection with the embodiments is to cover other alternatives or modifications, which may be extended by the claims based on the utility model. The following description contains many specific details for the purpose of providing a thorough understanding of the present utility model. The utility model may be practiced without these specific details. Furthermore, some specific details are omitted from the description in order to avoid obscuring the utility model. It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. It should be noted that in this specification, like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this utility model belongs. The terms "first," "second," and the like, as used herein, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. Likewise, the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. The terms "disposed," "connected," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with the interior of two elements, the specific meaning of the terms in this embodiment will be understood by those of ordinary skill in the art. The orientation or positional relationship indicated by "upper", "lower", "left", "right", "inner", "bottom", etc. is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the inventive product is conventionally put in use, is merely for convenience in describing the present utility model and simplifying the description, and is not indicative or implying that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings.
In this embodiment, as shown in fig. 1-4, a clamp for a current-carrying friction test capable of being assembled and disassembled quickly is provided.
Including anchor clamps main part 1, anchor clamps main part 1 top is provided with stalk portion 106, and the stalk portion outside cover has opening insulating cover 6, and the bottom is fixed with the clamp block 2 through double-end forward and backward bolt 3 and clamp block set screw 4, has formed deformation groove 7 and ball socket 8 through the mode of fixing between clamp block 2 and anchor clamps main part 1.
The whole clamp body 1 is of a cylindrical structure, the radius of the middle part is largest, the top part is a cylinder with the radius smaller than that of the middle part, a bevel cutting structure is arranged on one side of the lower end of the middle part with the largest radius, when the bevel cutting is smaller than that of the top part, the bevel cutting structure is changed into a vertical cutting structure, the vertical cutting structure extends to the bottommost end of the clamp body 1, the other side of the vertical cutting structure passes through the center of a circle and is cut into a half structure in a direction parallel to the vertical cutting of the bottom part, and the vertical cutting degree of the lower part of the bottom end is deepened; the bottom of the clamp main body 1 is subjected to conization treatment, and the cone top is downward.
A spherical groove is formed in the conical top at the bottom of the clamp main body 1, and the center of the spherical groove passes through the center of the conical top of the clamp main body 1.
The clamp comprises a clamp body 1, and is characterized in that the clamp body is provided with 5 through holes perpendicular to a vertical section, two clamping block fixing threaded holes 102 are formed in the middle of the clamp body in parallel, two wire fixing threaded holes 105 are formed in the middle of the clamp body in a perpendicular mode, and a positive rotation threaded hole 103 is formed in the bottom of the clamp body.
The clamping block 2 is of a semi-cylindrical block structure, wherein the outer side of the clamping block 2 coincides with the inclined cutting corresponding position of the clamp main body 1, and is symmetrical to the vertical cutting structure at the other side of the clamp main body 1, and the bottom of the clamping block 2 is a cone.
The clamping block 2 can be correspondingly overlapped with the clamp main body 1, a spherical groove is formed in the top cone, and the center of the spherical groove passes through the center of the cone top of the clamping block 2.
The clamping block 2 is provided with 3 through holes, two through holes 203 are arranged at the positions corresponding to the clamping block fixing threaded holes 102 on the clamp main body 1, and left-handed threaded holes 202 are arranged at the positions corresponding to the normal-handed threaded holes 103.
The clamping block fixing screw 4 passes through the through hole 203 and the clamping block fixing threaded hole 102, the wire fixing screw 5 is fixed in the wire fixing threaded hole 105, and the double-head forward and reverse bolt 3 passes through the left-handed threaded hole 202 and the right-handed threaded hole 103.
Still including double-end forward and backward bolt 3 for the pole structure, one end is provided with left-hand external screw 301, the other end is provided with right-hand external screw 302, the both ends of double-end forward and backward bolt have set up positive external screw and negative external screw respectively, screw in above-mentioned screw hole with double-end forward and backward clamp bolt, forward and backward twist reverse double-end forward and backward clamp bolt, through the effect of positive and backward screw pair, the clamp body is pressed from both sides tight deformation action with the compact heap of drive, reverse twist reverse double-end forward and backward clamp bolt, through the effect of positive and backward screw pair, the clamp body is driven to be loosen deformation action with the compact heap, and then reach the purpose of quick clamp and loosen the copper ball, realize the quick clamp and dismantle to wearing and tearing medium.
The utility model has the beneficial effects that: the clamp is mainly used for carrying out the occasion of the friction and wear test of the electrified load on the friction testing machine and mainly comprises a clamp main body, a clamping block, double-head forward and reverse bolts, screws and an opening insulating sleeve. The double-head forward and reverse screw pair structure drives the clamping block to be opened and closed, so that the friction medium (copper ball) is rapidly clamped and disassembled; insulation between the clamp and the test equipment under the condition of electrified load is realized through the opening insulation sleeve; and a lead installation fixing interface is arranged on the clamp body so as to realize the requirement of an electrified current carrying load test. The clamp can carry out a current-carrying test of an electrified load on a friction testing machine in the prior art, and can realize the rapid installation and replacement of a friction medium (copper ball) by only rotating the double-head forward and reverse bolts for one circle through the design of a rapid disassembly and rapid assembly structure without leveling work, thereby effectively improving the working efficiency.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (9)
1. The utility model provides a but fast-assembling quick detach current-carrying friction test uses anchor clamps, its characterized in that, including anchor clamps main part (1), anchor clamps main part (1) top is provided with stalk portion (106), and stalk portion outside cover has opening insulating sleeve (6), and the bottom is fixed with clamping block (2) through double-end forward and reverse bolt (3) and clamping block set screw (4), has formed deformation groove (7) and ball socket (8) through fixed mode between clamping block (2) and anchor clamps main part (1).
2. The clamp for the quick-assembly and quick-release current-carrying friction test according to claim 1, wherein the whole clamp body (1) is of a cylindrical structure, the radius of the middle part is largest, the top part is a cylinder with the radius smaller than that of the middle part, a chamfer structure is arranged on one side of the lower end of the middle largest radius part, the chamfer structure is changed into a vertical cut when the chamfer is smaller than that of the top part, the vertical cut structure extends to the bottommost end of the clamp body (1), the other side of the clamp body passes through the center part and is cut into a half structure in a direction parallel to the vertical cut of the bottom part, and the vertical cut degree of the lower part of the bottom end is deepened; the bottom of the clamp main body (1) is subjected to conization treatment, and the cone top is downward.
3. The clamp for the quick-assembly and quick-release current-carrying friction test according to claim 1, wherein a spherical groove is formed in the conical top at the bottom of the clamp main body (1), and the center of the spherical groove passes through the center of the conical top of the clamp main body (1).
4. The clamp for the quick-assembly and quick-release current-carrying friction test according to claim 1, further comprising a clamp body (1) with 5 through holes perpendicular to a vertical section, wherein two clamping block fixing threaded holes (102) are formed in the middle of the clamp body in parallel, two wire fixing threaded holes (105) are formed in the middle of the clamp body in a perpendicular mode, and a positive-rotation threaded hole (103) is formed in the bottom of the clamp body.
5. The clamp for the quick-assembly and quick-disassembly current-carrying friction test according to claim 1, wherein the clamping block (2) is of a semi-cylindrical block structure, wherein the position, corresponding to the beveling of the clamp main body (1), of the outer side of the clamping block (2) is overlapped, the clamping block is symmetrical with a vertical cutting structure at the other side of the clamp main body (1), and the bottom of the clamping block (2) is a cone.
6. The clamp for the quick-assembly and quick-release current-carrying friction test according to claim 5, wherein the clamping block (2) can be correspondingly overlapped with the clamp main body (1), a spherical groove is formed in the top cone, and the center of the spherical groove passes through the center of the cone top of the clamping block (2).
7. The clamp for the quick-assembly and quick-release current-carrying friction test according to claim 5, wherein 3 through holes are distributed on the clamping block (2), two through holes (203) are formed in positions corresponding to the clamping block fixing threaded holes (102) on the clamp main body (1), and left-handed threaded holes (202) are formed in positions corresponding to the normal-handed threaded holes (103).
8. The clamp for the quick-assembly and quick-release current-carrying friction test according to claim 1, further comprising a clamping block fixing screw (4) penetrating through the through hole (203) and the clamping block fixing threaded hole (102), wherein the wire fixing screw (5) is fixed in the wire fixing threaded hole (105), and the stud forward and reverse bolts (3) penetrating through the left-handed threaded hole (202) and the right-handed threaded hole (103).
9. The clamp for the quick-assembly and quick-release current-carrying friction test according to claim 8, further comprising a rod-type structure of the stud forward and reverse bolts (3), wherein one end of the stud forward and reverse bolts is provided with left-handed external threads (301), and the other end of the stud forward and reverse bolts is provided with right-handed external threads (302).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321966377.3U CN220583937U (en) | 2023-07-25 | 2023-07-25 | Clamp for quick-assembly and quick-disassembly current-carrying friction test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321966377.3U CN220583937U (en) | 2023-07-25 | 2023-07-25 | Clamp for quick-assembly and quick-disassembly current-carrying friction test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220583937U true CN220583937U (en) | 2024-03-12 |
Family
ID=90118506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321966377.3U Active CN220583937U (en) | 2023-07-25 | 2023-07-25 | Clamp for quick-assembly and quick-disassembly current-carrying friction test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220583937U (en) |
-
2023
- 2023-07-25 CN CN202321966377.3U patent/CN220583937U/en active Active
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