CN209590142U

CN209590142U - A kind of pincer earth resistance tester

Info

Publication number: CN209590142U
Application number: CN201920069388.9U
Authority: CN
Inventors: 段轶婷; 苏辉
Original assignee: Changzhou Easy Science And Technology Service Co Ltd
Current assignee: Changzhou Easy Science And Technology Service Co Ltd
Priority date: 2019-01-15
Filing date: 2019-01-15
Publication date: 2019-11-05
Anticipated expiration: 2029-01-15

Abstract

The utility model discloses a kind of pincerlike earth resistance testers, it is related to technical field of measuring equipment, its key points of the technical solution are that: including table body, the grip module being mounted on table body one end, it further include moving assembly, grip module includes straight clamp, arc clamp, one end of arc clamp is connected on the side of table body, the other end of arc clamp is far from table body, one end of straight clamp is connected on moving assembly, the other end of straight clamp is bonded far from one end of table body with arc clamp and forms closed space, moving assembly is used to move straight clamp along the length direction of straight clamp.Straight clamp and arc clamp constitute the enclosed region of D font, wall as where the moving direction of straight clamp can be approximately parallel to cable, it will not be limited too much by wall when so that opening the notch of enclosed region, so as to more easily be measured to along the cable that wall is arranged.

Description

A kind of pincer earth resistance tester

Technical field

The utility model relates to measuring instrumentss technical field, in particular to a kind of pincerlike earth resistance tester.

Background technique

Pincerlike earth resistance tester is current collection current transformer and the instrument of ammeter, is with continuous open circuit Can direct slowdown monitoring circuit alternating current portable instrument.

Currently, the Chinese patent that notification number is CN207924019U discloses a kind of pincerlike earth resistance tester, packet Include handle, the jaw that is arranged on handle, the DC speed-reducing that handle inner is set, jaw includes the first open section and the Two open sections, the second open section are fixedly connected on handle, and the first open section is hinged on handle, connection below the first open section There is embedding handle, embedding handle side is fixedly connected with pull ring, and the output shaft of DC speed-reducing is equipped with shaft, and shaft is equipped with take-up Disk, take-up reel are equipped with cotton rope, and one end of cotton rope is connected on pull ring.Manpower is replaced by electric power, reduces the gas of staff Power uses.

However, it is desirable to measurement cable some can be arranged along wall, be more particularly set on the cable in corner, above-mentioned pincer The first open section and the second open section of earth resistance tester are half arc, the space that the rotation of the first open section needs compared with Greatly, it is easy to be blocked by wall, lead to not successfully bring tested wire in jaw into.

Utility model content

In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of pincerlike earth resistances Instrument, the advantage that there is the convenient electric wire to close to wall to measure.

The above-mentioned technical purpose of the utility model has the technical scheme that a kind of pincerlike ground resistance Tester further includes moving assembly including table body, the grip module being mounted on table body one end, and the grip module includes straight Clamp, arc clamp, one end of arc clamp are connected on the side of table body, and the other end of arc clamp is straight to press from both sides far from table body One end of pincers is connected on moving assembly, and the other end of straight clamp is bonded far from one end of table body with arc clamp and forms closure Space, the moving assembly are used to move straight clamp along the length direction of straight clamp.

Through the above technical solutions, straight clamp and arc clamp constitute the enclosed region of D font, it will be straight by moving assembly Clamp is mobile to table body side, enclosed region can be made notch occur, and cable is placed in enclosed region from indentation, there, then by straight clamp It resets, the cable in enclosed region can be measured, since the moving direction of straight clamp can be approximately parallel to where cable Wall so that open enclosed region notch when will not be limited too much by wall, so as to more easily to edge The cable of wall setting measures.

Preferably, the moving assembly includes connecting rod, the first spring, on the end where the grip module of the table body Equipped with the first groove, the table body is equipped with the second groove, second groove and first far from the other end of grip module Groove connection, cross-sectional area of the cross-sectional area less than the first groove of second groove, the notch of first groove Shape is adapted with the cross section of straight clamp, and the connecting rod is in the first groove, and connecting rod one end is connected on straight clamp, The other end of connecting rod is extended to by the second groove outside the other end of table body, and first spring is set in connecting rod and connects It connects between straight clamp and the first bottom portion of groove.

Through the above technical solutions, connecting rod is continued to be pulled outwardly far from one end of straight clamp, the first spring is being compressed Meanwhile the one end for driving straight clamp to be connected with connecting rod is retracted into the first groove, to make straight clamp far from one end of table body Be detached from the contact of arc clamp, open notch, and decontrol pulling connecting rod when, the spring of compression makes straight clamp and connecting rod It resets, straight clamp is contacted with the end of arc clamp again.

Preferably, the moving assembly further includes stopper, and the stopper is connected to connecting rod and is in the second groove one On the end of side, the cross-sectional area of the stopper is greater than the cross-sectional area of the second groove.

Through the above technical solutions, the first spring is in compressive state always, and straight clamp is kept to separate table body Active force, stopper are against on the table body at the second groove notch, and limitation connecting rod is mobile to straight clamp side, so that straight clamp Contact between arc clamp is more stable.

Preferably, the stopper is equipped with pull ring away from the end face of connecting rod.

Through the above technical solutions, since entire pincerlike earth resistance tester is for measuring the cable along wall setting When, it can be close to wall, it has not been convenient to it directly grasps stopper and pulls outward connecting rod, and the force space that pull ring needs is small, more fits It closes and exerts a force in the state of close to wall.

Preferably, the arc clamp is hinged on table body, and the arc clamp that is located proximate to of arc clamp hingedly is in The intracorporal end of table, further includes locked component, switch block, and the locked component is used for one of restriction arc clamp far from table body It holds to far from straight clamp direction and rotates, the switch block is for limitation of the component to arc clamp that unlock.

Through the above technical solutions, except through the straight clamp of movement so as to by cable from entire pincerlike earth resistance tester Side enter in enclosed region, cable can also be made from entire pincerlike earth resistance tester by arc of rotation clamp The other side and front enter enclosed region, so that entire pincerlike earth resistance tester is suitable for a variety of different measurement environment.

Preferably, the locked component includes sliding shoe, second spring, is equipped with third groove, the cunning in the table body Motion block is connected in third groove by second spring, and one end of sliding shoe is ejected third groove by the second spring, described The end that sliding shoe is in outside third groove is blocked in the rotation that arc clamp is in the inside straight clamp side in the intracorporal end of table On track.

Through the above technical solutions, since arc clamp and the hinged position of table body are between arc clamp both ends, when When the end that arc clamp is in table body side is rotated to straight clamp side, the other end of arc clamp will be to far from straight clamp Side rotation, and the sliding shoe in locked component is rotated by stopping the end of arc clamp removal of impurities table body side, to make arc End of the clamp far from table body is kept in contact with straight clamp, remains closed enclosed region.

Preferably, the sliding shoe is in the end outside third groove equipped with inclined-plane, and the inclined-plane is towards arc clamp Side, the switch block include catch bar, button, and the catch bar is in arc clamp and is in the intracorporal one end of table, pushes away One end of lever is against on the inclined-plane of sliding shoe, and the other end of catch bar is connected on button, and the button is in arc clamp Outside.

Through the above technical solutions, promoting button while arc clamp is rotated to straight clamp side, make catch bar to Sliding shoe force, lateral active force is converted to the power of vertical direction by the inclined-plane of sliding shoe, so that second spring is shunk, sliding Block, so that the end of arc clamp be enable to pass through locked component, opens enclosed region completely into third groove Notch.

Preferably, the switch block further includes third spring, the third spring be connected to button and arc clamp it Between, the telescopic direction of the third spring is identical as the length direction of catch bar.

Through the above technical solutions, third spring presss from both sides button far from arc in the case where not applying external force to button Pincers, make catch bar not exert a force to sliding shoe, to guarantee that locked component is in the state of limitation rotation to arc clamp.

In conclusion the utility model having the beneficial effect that by the way that straight clamp and arc folder is arranged in contrast to the prior art Pincers, make entire pincerlike earth resistance tester can by the straight clamp of movement, to be measured to along the cable that wall is arranged, The measurement wider array of route in space can more easily be measured by arc of rotation clamp.

Detailed description of the invention

Fig. 1 is the overall structure diagram of embodiment；

Fig. 2 is the cross-sectional view of embodiment.

Appended drawing reference: 1, table body；11, the first groove；12, the second groove；13, third groove；2, grip module；21, arc Clamp；22, straight clamp；3, moving assembly；31, connecting rod；32, the first spring；33, stopper；331, pull ring；4, locking group Part；41, sliding shoe；42, second spring；5, switch block；51, catch bar；52, button；53, third spring.

Specific embodiment

The utility model is described in further detail below in conjunction with attached drawing.

A kind of pincer earth resistance tester, as shown in Figure 1, including table body 1, the folder being arranged on 1 one end end of table body Component 2 is clamped, grip module 2 includes straight clamp 22, arc clamp 21, and one end of straight clamp 22 and arc clamp 21 contacts with each other simultaneously The enclosed region of D type is constituted, the middle part of arc clamp 21 is hinged on 1 side of table body, and straight clamp 22 is slidably connected at the another of table body 1 Side further includes referring to fig. 2 moving assembly 3, locked component 4, switch block 5, moving assembly 3 is for controlling straight clamp 22 Mobile, locked component 4 is used for the rotation of restriction arc clamp 21, and switch block 5 is for unlocking component 4 to arc clamp 21 Limitation.

Referring to fig. 2, table body 1 is equipped with the first groove 11, the cross section of the first groove 11 on the end where grip module 2 It is identical as the cross section of straight clamp 22, and one end that straight clamp 22 is not contacted with arc clamp 21 is in the first groove 11, Table body 1 is equipped with the second groove 12 away from the end of 11 notch of the first groove, and the second groove 12 is communicated with the first groove 11, and second Less than the cross-sectional area of the first groove 11, the side in table body 1 far from the second groove 12 is equipped with the cross-sectional area of groove 12 Third groove 13,1 one end of table body where the notch of third groove 13 towards grip module 2, the end of arc clamp 21 can be Rotation in table body 1, the track that the notch face arc clamp 21 of third groove 13 rotates.

Referring to fig. 2, moving assembly 3 includes connecting rod 31, stopper 33, the first spring 32, and it is recessed that connecting rod 31 is in first In slot 11 and the second groove 12, one end of connecting rod 31 is connected to straight clamp 22 on the end of the first groove 11, connecting rod 31 other end stretches out 12 notch of the second groove and is simultaneously connected on stopper 33, and stopper 33 is towards the end of the second groove 12 Cross-sectional area is greater than the cross-sectional area of the second groove 12, and stopper 33 is equipped with pull ring away from the end of the second groove 12 331, the first spring 32 is connected between 11 bottom of straight clamp 22 and the first groove, and the first spring 32 is set in connecting rod 31, First spring 32 is in compressive state always.

Referring to fig. 2, locked component 4 includes sliding shoe 41, second spring 42, and sliding shoe 41 is in third groove 13, the Two springs 42 are connected between 13 bottom of third groove and sliding shoe 41, and sliding shoe 41 is deviated from third groove 13 by second spring 42 One end of bottom is released outside third groove 13, and the end of sliding shoe 41 is equipped with inclined-plane, and inclined-plane is towards 21 side of arc clamp.

Referring to fig. 2, switch block 5 includes catch bar 51, button 52, third spring 53, and button 52, catch bar 51 are in In arc clamp 21, one end of catch bar 51 is pierced by arc clamp 21 and is against on the inclined-plane of sliding shoe 41, catch bar 51 it is another One end is connected on button 52, and third spring 53 is connected on the inner wall of button 52 and arc clamp 21, and third spring 53 will be by Release arc clamp 21 in one end of button 52.

In the actual operation process, in normal use process, can button press 52, sliding shoe 41 is pressed by catch bar 51 Enter into third groove 13, the end for enabling arc clamp 21 to be in shell side is rotated into shell, to make arc Straight clamp 22 and arc clamp are brought into far from straight clamp 22, by cable to be detected in one end that clamp 21 is contacted with straight clamp 22 The force to arc clamp 21 and button 52 is decontroled after between 21 again, acts on lower button 52 with catch bar 51 in third spring 53 It is forced out shell, third groove 13 is released in one end of sliding shoe 41 by second spring 42 again, sliding shoe 41 and by arc clamp 21 end squeezes out shell, to reconstitute the enclosed region of D type, allows entire pincerlike earth resistance tester to line Cable is detected；When needing the cable to corner to check, pull ring 331 can be pulled, makes straight clamp 22 to one sidesway of shell Dynamic, the movement of straight clamp 22 will not be rotated with arc clamp 21 equally needs more spaces, therefore can more successfully will The cable in corner is included in the tip inside of arc clamp 21, and after decontroling pull ring 331, straight clamp 22 is multiple under the effect of the first spring 32 Position simultaneously reconstitutes enclosed region with arc clamp 21.

The above is only the exemplary embodiment of the utility model, the protection model rather than limited the present invention It encloses, the protection scope of the utility model is determined by the attached claims.

Claims

1. a kind of pincer earth resistance tester, including table body (1), the grip module (2) being mounted on table body (1) one end, It is characterized in: further includes moving assembly (3), the grip module (2) includes straight clamp (22), arc clamp (21), arc clamp (21) one end is connected on the side of table body (1), the other end of arc clamp (21) far from table body (1), straight clamp (22) One end is connected on moving assembly (3), and the other end of straight clamp (22) is bonded with arc clamp (21) far from the one end of table body (1) And enclosed region is formed, the moving assembly (3) is used for along the mobile straight clamp (22) of the length direction of straight clamp (22).

2. a kind of pincerlike earth resistance tester according to claim 1, it is characterized in that: the moving assembly (3) includes Connecting rod (31), the first spring (32), the end where the grip module (2) of the table body (1) are equipped with the first groove (11), The table body (1) is equipped with the second groove (12) far from the other end of grip module (2), second groove (12) and first Groove (11) connection, the cross-sectional area of second groove (12) less than the first groove (11) cross-sectional area, described the The notch shape of one groove (11) is adapted with the cross section of straight clamp, and the connecting rod (31) is in the first groove (11), Connecting rod (31) one end is connected on straight clamp (22), and the other end of connecting rod (31) extends to table body by the second groove (12) (1) outside the other end, first spring (32) is set on connecting rod (31) and is connected to straight clamp (22) and the first groove (11) between bottom.

3. a kind of pincerlike earth resistance tester according to claim 2, it is characterized in that: the moving assembly (3) also wraps It includes stopper (33), the stopper (33) is connected to connecting rod (31) and is on the end of the second groove (12) side, described The cross-sectional area of stopper (33) is greater than the cross-sectional area of the second groove (12).

4. a kind of pincerlike earth resistance tester according to claim 3, it is characterized in that: the stopper (33) is away from company The end face of extension bar (31) is equipped with pull ring (331).

5. a kind of pincerlike earth resistance tester according to claim 1, it is characterized in that: the arc clamp (21) is hinged On table body (1), and the end for being located proximate to arc clamp (21) and being in table body (1) that arc clamp (21) is hinged, also wrap Locked component (4), switch block (5) are included, the locked component (4) is used for one of restriction arc clamp (21) far from table body (1) It holds to far from straight clamp (22) direction and rotates, the switch block (5) is for unlocking component (4) to arc clamp (21) Limitation.

6. a kind of pincerlike earth resistance tester according to claim 5, it is characterized in that: the locked component (4) includes Sliding shoe (41), second spring (42), the table body (1) is interior to be equipped with third groove (13), and the sliding shoe (41) passes through second Spring (42) is connected in third groove (13), and one end of sliding shoe (41) is ejected third groove by the second spring (42) (13), the sliding shoe (41), which is in the end of third groove (13) outside and is blocked in arc clamp (21), is in table body (1) End is inwardly in the rotary motion trace of straight clamp (22) side.

7. a kind of pincerlike earth resistance tester according to claim 6, it is characterized in that: the sliding shoe (41) is in the The end of three grooves (13) outside is equipped with inclined-plane, and the inclined-plane includes towards arc clamp (21) side, the switch block (5) Catch bar (51), button (52), the catch bar (51) are in one end that arc clamp (21) is in table body (1), push One end of bar (51) is against on the inclined-plane of sliding shoe (41), and the other end of catch bar (51) is connected on button (52), described to press Button (52) is in arc clamp (21) outside.

8. a kind of pincerlike earth resistance tester according to claim 7, it is characterized in that: the switch block (5) also wraps It includes third spring (53), the third spring (53) is connected between button (52) and arc clamp (21), the third spring (53) telescopic direction is identical as the length direction of catch bar (51).