CN219633526U

CN219633526U - Clamp

Info

Publication number: CN219633526U
Application number: CN202222429528.3U
Authority: CN
Inventors: 杨昊; 李耀龙
Original assignee: Guangdong Summit Testing Technology Service Co ltd
Current assignee: Guangdong Summit Testing Technology Service Co ltd
Priority date: 2022-09-14
Filing date: 2022-09-14
Publication date: 2023-09-05
Anticipated expiration: 2032-09-14

Abstract

The utility model relates to the technical field of cable test equipment and discloses a clamp which comprises a test box body, wherein support plates are arranged on two sides of the test box body; according to the utility model, the distance between the two fixed blocks can be driven to be adjusted through the displacement mechanism, so that the aim of being applicable to cables with different thicknesses is fulfilled, the applicability of the clamp structure is improved, the limiting blocks in the first clamping block and the second clamping block are provided with a certain elastic space through the action of the reset spring, the cable is prevented from being damaged by pressure, the accuracy of experimental data is ensured not to be influenced by displacement of the cable, the external wind flow can be accelerated to enter the tester through the cooling fan in the sleeve, the temperature in the tester is reduced, the internal elements of the tester are prevented from aging or damaging, and the service life of the tester is ensured.

Description

Clamp

Technical Field

The utility model relates to the technical field of cable test equipment, in particular to a clamp.

Background

The cable high-voltage tester is also called as a cable withstand voltage test device.

The patent of application number CN211086500U discloses an accurate cable withstand voltage test device, the on-line screen storage device comprises a base, base top fixed mounting has the withstand voltage test box, the side all is equipped with the interface about the withstand voltage test box, the equal fixed mounting of side has the mounting panel about the withstand voltage test box, mounting panel top fixed mounting has the limiting plate, limiting hole has all been seted up to the side about the limiting plate, mounting panel top fixed mounting has two symmetrical connecting plates, the top fixed mounting of two connecting plates has the casing, the mounting panel top surface has the pivot through bearing swing joint, the top surface of casing is passed at the pivot top and extends to the top of casing, pivot top fixed mounting has the handle, pivot surface fixed mounting has first gear, bull stick surface fixed mounting has the second gear, the equal fixed mounting of surface of bull stick and pivot has the spacing roller. The utility model can accurately guide the cable into the interface, so that the result of the cable withstand voltage test is more accurate.

In summary, the device is though can make the test result more accurate, but still have certain problem during the use, this cable withstand voltage test device is through two spacing rollers to the position of cable clamp cable, but two spacing rollers can't adjust the distance, just so lead to this clamp structure can't be applicable to not unidimensional cable, the suitability is relatively poor, this clamp structure is when using simultaneously, lack the function of spacing to the cable, when cable withstand voltage test device carries out high pressure to the cable, in order to ensure that the cable does not take place to remove and influence the accuracy of test data, need the manual cable of staff to press, the tired degree of staff has been increased, simultaneously, the present testing machine lacks radiating structure, its heat dissipation wing that singly leans on oneself can't dispel the heat to the testing machine is inside completely, the testing machine internal temperature causes testing machine internal element ageing or damage easily, thereby reduce its life.

Disclosure of Invention

The utility model aims to provide a clamp which has the advantages of adjusting the distance, limiting a cable and being good in heat dissipation, and solves the problems that two limiting rollers of the traditional cable withstand voltage test device cannot adjust the distance, limiting the cable and being poor in heat dissipation effect.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a fixture, includes the test box body, the backup pad is all installed to the both sides of test box body, the fluting has been seted up at the top of backup pad, grooved inside symmetry is provided with the fixed block, the inside groove has been seted up to grooved inside, the inside of inside groove is provided with displacement mechanism, two the inside of fixed block has embedded first gag lever post and second gag lever post respectively, the guide wheel has all been fixedly cup jointed on the surface of first gag lever post and second gag lever post, first screens piece is installed at the top of backup pad, the top of first screens piece is provided with the second screens piece, and the back of first screens piece and second screens piece is articulated through the articulated elements, the mounting groove has all been seted up to one side that first screens piece and second screens piece are relative, the internal sliding connection of mounting groove has the stopper, the top intercommunication of test box body has the sleeve, telescopic internally mounted has the radiator fan, telescopic internally mounted has the dust screen.

Preferably, the bidirectional threaded rod of the displacement mechanism is rotationally connected with the supporting plate through a bearing, a connecting block which is in sliding connection with the inner groove is connected with the surface symmetrical threads of the bidirectional threaded rod, one side of the connecting block is bolted with the fixing block, and the fixing block is convenient to move through the bidirectional threaded rod and the connecting block.

Preferably, the slider is installed to the opposite side of fixed block, slotted inside is seted up and is used with the slider cooperation spout, sets up through slider and spout, carries out spacingly to the fixed block.

Preferably, the rubber protection pads are arranged on the surfaces of the two guide wheels and are matched with the cable, and the guide wheels are prevented from damaging the cable through the arrangement of the rubber protection pads.

Preferably, three return springs are installed between the limiting block and the mounting groove through a spring piece, one end of the first limiting rod penetrates through the bottom of the supporting plate and is fixedly sleeved with a rotating handle, the return springs and the rotating handle are arranged, and the limiting block provides reverse acting force and facilitates rotating the first limiting rod.

Preferably, the front of first screens piece and second screens piece is installed respectively and is rotated seat and spacing seat, the inside of rotating the seat articulates through the articulated elements has the spacing bolt that uses with spacing seat cooperation, through rotating seat, spacing seat and spacing bolt setting, makes things convenient for first screens piece and second screens piece to carry out spacingly.

Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, the distance between the two fixed blocks can be driven to be adjusted through the displacement mechanism, so that the distance between the first limiting rod and the second limiting rod is adjusted, the purpose of adjusting the distance between the two guide wheels is achieved, the purpose of being applicable to cables with different thicknesses is achieved, and the applicability of the clamp structure is improved;

according to the utility model, the limiting blocks in the first clamping block and the second clamping block can limit the cable when the cable is placed between the first clamping block and the second clamping block, and the limiting blocks have a certain elastic space under the action of the reset spring, so that the cable is prevented from being damaged by pressure, and the cable is prevented from being displaced to influence the accuracy of experimental data;

according to the utility model, through the cooling fan in the sleeve, external wind flow can be accelerated to enter the tester, so that the temperature in the tester is reduced, the ageing or damage of internal elements of the tester is prevented, and the service life of the tester is ensured.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a side cross-sectional view of a partial structure of the present utility model;

FIG. 3 is an enlarged view of the utility model at A in FIG. 1;

FIG. 4 is a top cross-sectional view of a partial structure of the present utility model;

fig. 5 is a partial structural cross-sectional view of the present utility model.

In the figure: 1. a test chamber body; 2. a support plate; 3. slotting; 4. a fixed block; 5. an inner tank; 6. a displacement mechanism; 61. a two-way threaded rod; 62. a connecting block; 7. a first stop lever; 8. a second limit rod; 9. a guide wheel; 10. a first clamping block; 11. a second clamping block; 12. a mounting groove; 13. a limiting block; 14. a slide block; 15. a chute; 16. a rubber protective pad; 17. a return spring; 18. a rotating handle; 19. a rotating seat; 20. a limit seat; 21. a limit bolt; 22. a sleeve; 23. a heat radiation fan; 24. a dust-proof net.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, a fixture comprises a test box body 1, support plates 2 are mounted on two sides of the test box body 1, a slot 3 is formed at the top of the support plates 2, fixed blocks 4 are symmetrically arranged in the slot 3, an inner groove 5 is formed in the slot 3, a displacement mechanism 6 is arranged in the inner groove 5, a first limit rod 7 and a second limit rod 8 are respectively embedded in the two fixed blocks 4, guide wheels 9 are fixedly sleeved on the surfaces of the first limit rod 7 and the second limit rod 8, a first clamping block 10 is mounted at the top of the support plates 2, a second clamping block 11 is arranged at the top of the first clamping block 10, the back surfaces of the first clamping block 10 and the second clamping block 11 are hinged through a hinge, mounting grooves 12 are formed in opposite sides of the first clamping block 10 and the second clamping block 11, a limiting block 13 is connected in the inner slide of the mounting grooves 12, the top of the test box body 1 is communicated with a sleeve 22, a cooling fan 23 is arranged in the sleeve 22, a dust screen 24 is arranged in the sleeve 22, the distance between the two fixed blocks 4 can be driven to be adjusted through a displacement mechanism 6, so that the distance between the first limiting rod 7 and the second limiting rod 8 is adjusted, the purpose of adjusting the distance between the two guide wheels 9 is achieved, the purpose of being applicable to cables with different thicknesses is achieved, the applicability of the clamp structure is improved, the cables can be limited when being placed between the first clamping block 10 and the second clamping block 11 through a limiting block 13 in the first clamping block 10 and the second clamping block 11, the limiting block 13 is provided with a certain elastic space through the action of a return spring 17, the cable is prevented from being crushed, the accuracy of experimental data is ensured not to be influenced by displacement, through the radiator fan 23 inside the sleeve 22, the external wind flow can be accelerated to enter the inside of the testing machine, so that the temperature inside the testing machine is reduced, the aging or damage of the internal elements of the testing machine is prevented, and the service life of the testing machine is ensured.

The first limit rod 7 and the second limit rod 8 are made of stainless steel, the stainless steel is short for stainless acid-resistant steel, and the stainless steel is called stainless steel which is resistant to weak corrosive media such as air, steam, water and the like or has stainless property; the steel grade which is resistant to corrosion by chemical corrosive media (such as acid, alkali, salt and the like) is called acid-resistant steel, and the corrosion resistance of the steel grade is different due to the difference of chemical components, so that common stainless steel is generally not resistant to corrosion by the chemical corrosive media, and the acid-resistant steel is generally stainless. The term "stainless steel" refers not only to a single type of stainless steel, but to a hundred or more types of industrial stainless steel, each of which has been developed to have good properties in its particular field of application, the key to success being to ascertain the use and then to determine the correct steel grade. The steel grades associated with the construction applications are generally only six, and they all contain 17-22% chromium, preferably the grade also contains nickel. The addition of molybdenum can further improve atmospheric corrosion, particularly resistance to chloride-containing atmospheres.

The stopper 13 is made of plastic, and in industry, plastic and plastic are things, and the definition of plastic: the plastic is mainly composed of carbon, oxygen, hydrogen, nitrogen and other organic or inorganic elements, and the finished product is solid and molten liquid in the manufacturing process, so that the plastic can be mechanically heated to melt, flow under pressure, cool and solidify to form various shapes, and the huge and variable material group is called plastic.

Further, the displacement mechanism 6 is a bidirectional threaded rod 61, the bidirectional threaded rod 61 is rotationally connected with the supporting plate 2 through a bearing, a connecting block 62 which is in sliding connection with the inner groove 5 is symmetrically and threaded on the surface of the bidirectional threaded rod 61, one side of the connecting block 62 is bolted with the fixed block 4, and the bidirectional threaded rod 61 and the connecting block 62 are arranged to facilitate the movement of the fixed block 4.

Further, the other side of the fixed block 4 is provided with a sliding block 14, a sliding groove 15 matched with the sliding block 14 is formed in the groove 3, and the fixed block 4 is limited through the sliding block 14 and the sliding groove 15.

Further, the rubber protection pad 16 is installed on the surface of two guide wheels 9, and the rubber protection pad 16 is matched with the cable for use, and the guide wheels 9 are prevented from damaging the cable through the arrangement of the rubber protection pad 16.

Further, three return springs 17 are installed between the limiting block 13 and the installation groove 12 through spring pieces, one end of the first limiting rod 7 penetrates through the bottom of the supporting plate 2 and is fixedly sleeved with a rotating handle 18, and the return springs 17 and the rotating handle 18 are used for setting up, so that the limiting block 13 provides reverse acting force and facilitates rotating the first limiting rod 7.

Further, the front of the first clamping block 10 and the second clamping block 11 are respectively provided with a rotating seat 19 and a limiting seat 20, the inside of the rotating seat 19 is hinged with a limiting bolt 21 matched with the limiting seat 20 through a hinge piece, and the first clamping block 10 and the second clamping block 11 are conveniently limited through the arrangement of the rotating seat 19, the limiting seat 20 and the limiting bolt 21.

Working principle: during operation, the circuit is prevented from being arranged between the first clamping block 10 and the second clamping block 11, the bidirectional threaded rod 61 is rotated to drive the fixed block 4 to move according to the size of a cable, so that the first limiting rod 7 and the second limiting rod 8 drive the two guide wheels 9 to adjust the distance, after the adjustment is finished, when the cable moves to a proper position of the cable withstand voltage test device, the first clamping block 10 and the second clamping block 11 are clamped through the limiting bolt 21 and the limiting seat 20, under the action of the reset spring 17, the two limiting blocks 13 limit the cable, when heat is required to be dissipated, the heat dissipation fan 23 inside the sleeve 22 is started, the external air flow is accelerated to enter the inside of the test box body 1, and the air is discharged through the heat dissipation groove of the test box body 1.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a fixture, includes test box body (1), its characterized in that: the utility model discloses a test box, including test box body (1), backup pad (2), fluting (3) have all been installed to the both sides of test box body (1), fluting (3) have been seted up at the top of backup pad (2), the inside symmetry of fluting (3) is provided with fixed block (4), inside groove (5) have been seted up, the inside of inside groove (5) is provided with displacement mechanism (6), two first gag lever post (7) and second gag lever post (8) have been inlayed respectively to the inside of fixed block (4), the surface of first gag lever post (7) and second gag lever post (8) is all fixed to have cup jointed guide wheel (9), first screens piece (10) have been installed at the top of backup pad (2), the top of first screens piece (10) is provided with second screens piece (11), and the back of first screens piece (10) and second screens piece (11) is articulated through the articulated elements, mounting groove (12) have all been seted up to one side that first screens piece (10) and second screens piece (11) are relative, mounting groove (22) are installed in the top of inner sleeve (22), inner sleeve (22) are installed in the inside fan (22) of test box (22).

2. A clamp as claimed in claim 1, wherein: the device is characterized in that the displacement mechanism (6) is a bidirectional threaded rod (61), the bidirectional threaded rod (61) is rotatably connected with the supporting plate (2) through a bearing, a connecting block (62) which is in sliding connection with the inner groove (5) is symmetrically and screwed on the surface of the bidirectional threaded rod (61), and one side of the connecting block (62) is bolted with the fixed block (4).

3. A clamp as claimed in claim 1, wherein: the other side of the fixed block (4) is provided with a sliding block (14), and the inside of the slot (3) is provided with a sliding groove (15) matched with the sliding block (14).

4. A clamp as claimed in claim 1, wherein: rubber protection pads (16) are arranged on the surfaces of the two guide wheels (9), and the rubber protection pads (16) are matched with the cable.

5. A clamp as claimed in claim 1, wherein: three return springs (17) are arranged between the limiting block (13) and the mounting groove (12) through spring pieces, and one end of the first limiting rod (7) penetrates through the bottom of the supporting plate (2) and is fixedly sleeved with a rotating handle (18).

6. A clamp as claimed in claim 1, wherein: the front faces of the first clamping block (10) and the second clamping block (11) are respectively provided with a rotating seat (19) and a limiting seat (20), and a limiting bolt (21) matched with the limiting seat (20) for use is hinged inside the rotating seat (19) through a hinge piece.