CN217034114U

CN217034114U - Material electrical property testing arrangement convenient to it is fixed

Info

Publication number: CN217034114U
Application number: CN202122921048.4U
Authority: CN
Inventors: 雷祥; 钟思琦; 高荣礼; 符春林; 蔡苇; 陈刚; 邓小玲; 王振华; 吴恒
Original assignee: Chongqing University of Science and Technology
Current assignee: Chongqing University of Science and Technology
Priority date: 2021-11-25
Filing date: 2021-11-25
Publication date: 2022-07-22
Anticipated expiration: 2031-11-25

Abstract

The utility model relates to the technical field of electrical property testing, in particular to a material electrical property testing device convenient to fix, which comprises a detection box body, wherein the front end face of the detection box body is provided with a rectangular hole, the rear end face of the detection box body is provided with a square hole, the upper end of the detection box body is provided with a round hole in a penetrating way, annular fixing plates are symmetrically welded at the upper end and the lower end of the round hole at the upper end and the lower end of the detection box body, and a first electrode plate is penetrated and penetrated in the rectangular hole, so that the utility model has the beneficial effects that: hold the connecting plate and upwards stimulate, the connecting plate drives the screw pole upward movement, the screw pole drives annular locating plate extrusion reset spring, the screw pole passes through fixture and drives electrode bar upward movement simultaneously, on convex screw was placed from square hole with the potsherd to rethread tweezers, then unclamped the connecting plate, make screw pole downward movement under reset spring elastic force effect to make electrode bar and potsherd in close contact with, can detect this moment.

Description

Material electrical property testing arrangement convenient to it is fixed

Technical Field

The utility model relates to the technical field of electrical property testing, in particular to a material electrical property testing device convenient to fix.

Background

The existing testing device for the multiferroic liquid can be suitable for characterization of various properties (dielectric, ferroelectric, magnetoelectric coupling and the like) of the multiferroic liquid. The existing electrical property detection device has certain defects in actual use, the structure of the existing electrical property detection device is complex, the operation process is complex, long time is needed to be spent in each detection, the detection cost is high, and the efficiency is low. And mostly be fixed connection between the current electrical property detection device individual part, when the part damages, need carry out the whole change, the replacement cost is high. And the height of the electrode end can not be adjusted according to actual needs by the conventional electrical property detection device, so that inconvenience is brought to detection.

Therefore, a material electrical property testing device convenient to fix is needed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a material electrical property testing device convenient to fix, so as to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a material electrical property testing device convenient to fix comprises a detection box body, wherein a rectangular hole is formed in the front end face of the detection box body, a square hole is formed in the rear end face of the detection box body, a round hole is formed in the upper end of the detection box body in a penetrating mode, annular fixing plates are symmetrically welded to the upper end of the detection box body at the upper end and the lower end of the round hole, a first electrode plate is connected into the rectangular hole in a penetrating mode, a convex screw is inserted into one end of the first electrode plate, a nut is sleeved at the lower end of the convex screw, a ceramic plate is arranged at the upper end of the convex screw, a screw rod is inserted into the upper end of the detection box body in a penetrating mode, an adjusting nut is sleeved on the screw rod and arranged at the upper end of the detection box body, a reset mechanism is arranged on the screw rod, a clamping mechanism is arranged at the lower end of the screw rod, an electrode rod is arranged at the lower end of the clamping mechanism, the lower extreme of electrode bar and potsherd contact, it has the guide bar to run through the grafting in the upper end of detection box, the guide bar be provided with the graduation apparatus, the upper end of guide bar is connected with the lead screw through the connecting plate, the second electrode piece is installed through the nut in the upper end of lead screw.

Preferably, one end, far away from the convex screw, of the first electrode plate is inserted with a bolt rod in a penetrating and inserting mode, nuts are symmetrically sleeved on the bolt rod in the up-down mode, and the first electrode plate is fixedly connected with the detection box body through the screws.

Preferably, the lead screw and detection box body sliding connection, the lead screw runs through two annular fixed plates and sets up.

Preferably, the reset mechanism comprises: annular locating plate and reset spring, the cover is equipped with annular locating plate on the screw pole, the lower pot head at annular locating plate is equipped with the nut on the screw pole, the cover is equipped with reset spring on the screw pole, reset spring sets up between annular locating plate and annular fixed plate.

Preferably, the clamping mechanism comprises: stop nut, fixed block, pinch-off blades and clamping screw, the lower extreme threaded connection of lead screw has stop nut, stop nut's lower extreme welding has the fixed block, the side of fixed block is provided with the pinch-off blades, be connected through clamping screw between fixed block and the pinch-off blades, the upper end setting of electrode bar is between fixed block and pinch-off blades.

Preferably, one end, far away from the screw rod, of the second electrode plate is connected with a conductive bolt through a nut, and the upper end of the conductive bolt is connected with the banana head socket.

Compared with the prior art, the utility model has the beneficial effects that: the electrical property testing device is simple and reasonable in structural design and simple and convenient to operate, when the device is used, the connecting plate is held by a hand to be pulled upwards, the connecting plate drives the screw rod to move upwards, the screw rod drives the annular positioning plate to extrude the return spring, meanwhile, the screw rod drives the electrode rod to move upwards through the clamping mechanism, the ceramic plate is placed on the convex screw from the square hole through the tweezers, then the connecting plate is loosened, the screw rod moves downwards under the elastic action of the return spring, so that the electrode rod is in close contact with the ceramic plate, and detection can be performed at the moment; when the distance between electrode bar and the convex screw is adjusted to needs, through rotating adjusting nut, make adjusting nut along the lead screw up-and-down motion to adjust the distance between electrode bar and the convex screw, make electrical property testing arrangement can detect the medium of equidimension not, through the fixture that sets up, can be convenient change the electrode bar.

Drawings

FIG. 1 is a schematic structural diagram of an electrical performance testing apparatus according to the present invention;

fig. 2 is a schematic cross-sectional structural view of an electrical performance testing apparatus according to the present invention;

fig. 3 is a schematic structural diagram of the clamping mechanism of the present invention.

In the figure: 1. detecting the box body; 11. a rectangular hole; 12. a square hole; 13. an annular fixing plate; 2. a first electrode sheet; 21. a male screw; 22. a ceramic plate; 3. a screw shaft; 31. adjusting the nut; 32. an annular positioning plate; 33. a return spring; 4. a limit nut; 41. a fixed block; 42. a clamping plate; 43. a clamping screw; 5. an electrode rod; 6. a guide rod; 61. a dial gauge; 62. a connecting plate; 7. and a second electrode sheet.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Referring to fig. 1 to 3, the present invention provides a technical solution: the utility model provides a material electrical property testing arrangement convenient to it is fixed, including detecting box 1, rectangle hole 11 has been seted up to the preceding terminal surface that detects box 1, square hole 12 has been seted up to the rear end face that detects box 1, the upper end that detects box 1 runs through and has seted up the round hole, the upper end that detects box 1 has ring fixed plate 13 in the upper and lower both ends symmetrical welding of round hole, it has first electrode piece 2 to run through the interlude in rectangle hole 11, the one end grafting of first electrode piece 2 has convex screw 21, the lower pot head of convex screw 21 is equipped with the nut, the upper end of convex screw 21 is provided with potsherd 22, the one end that convex screw 21 was kept away from to first electrode piece 2 runs through the grafting and has the shank of bolt, the up-and down symmetrical cover of shank of bolt is equipped with the nut, first electrode piece 2 passes through screw and detects box 1 fixed connection, the upper end of shank of bolt passes through the electric wire and is connected with banana head socket, first electrode piece 2 folds into the zigzag setting.

The upper end of the detection box body 1 is penetrated and inserted with a screw rod 3, the screw rod 3 is connected with the detection box body 1 in a sliding mode, the screw rod 3 is arranged by penetrating through two annular fixing plates 13, the screw rod 3 is a screw rod with good conductivity, and the screw rod 3 is connected with the annular fixing plates 13 in a sliding mode.

The cover is equipped with adjusting nut 31 on the lead screw 3, and adjusting nut 31 sets up in the upper end that detects box 1, is provided with canceling release mechanical system on the lead screw 3, and canceling release mechanical system is including: annular positioning plate 32 and reset spring 33, the cover is equipped with annular positioning plate 32 on the lead screw 3, the lower pot head at annular positioning plate 32 is equipped with the nut on the lead screw 3, the cover is equipped with reset spring 33 on the lead screw 3, reset spring 33 sets up between annular positioning plate 32 and annular fixed plate 13, reset spring 33 is in compression state, reset spring 33's both ends are pegged graft with annular positioning plate 32 and annular fixed plate 13 respectively, reset spring 33 applys for elasticity annular positioning plate 32, prevent through the annular fixed plate 13 that sets up that reset spring 33 card from going into the round hole that detects 1 upper end of box.

Fixture is installed to the lower extreme of lead screw 3, and electrode bar 5 is installed to fixture's lower extreme, and fixture is including: limit nut 4, fixed block 41, clamp plate 42 and clamping screw 43, the lower extreme threaded connection of lead screw 3 has limit nut 4, the lower extreme welding of limit nut 4 has fixed block 41, the side of fixed block 41 is provided with clamp plate 42, be connected through clamping screw 43 between fixed block 41 and the clamp plate 42, the upper end setting of electrode bar 5 is between fixed block 41 and clamp plate 42, when electrode bar 5 needs to be changed, outwards rotate clamping screw 43 from clamp plate 42, make clamp plate 42 loosen the centre gripping to electrode bar 5, thereby can be convenient change electrode bar 5, electrode bar 5 can set up to the shape of other various sizes, but the area of the lower extreme of electrode bar 5 will be less than the area of 22 upper ends of ceramic wafer.

Lower extreme and potsherd 22 contact of electrode bar 5, it has guide bar 6 to run through the grafting in the upper end of detection box 1, the guide bar 6 be provided with scale 61, the upper end of guide bar 6 is passed through connecting plate 62 and is connected with lead screw 3, second electrode piece 7 is installed through the nut in the upper end of lead screw 3, the one end that lead screw 3 was kept away from to second electrode piece 7 is connected with conductive bolt through the nut, conductive bolt's upper end is connected with banana head socket, banana head inserts easily and breaks off, be convenient for carry out accurate regulation to lead screw 3 in the electrical property testing arrangement through guide bar 6 and the scale 61 that set up, the shape of electrode piece can set up as required: circular, fan-shaped, cylindrical, needle-shaped, square, rectangular, etc.

One electrode plate is changed into a needle electrode, the area of the electrode of the film is generally smaller, so that the electrical property of the film can be tested, and the two electrodes can be made into a sheet shape, so that the property of liquid or gas can be tested. In addition, a heating plate and a thermometer can be arranged in the device, so that the electrical properties of the samples at different temperatures can be tested; a magnetic field can be applied to the outside of the device, and meanwhile, the device can also be heated, so that the electrical properties of the sample under the external magnetic field and the temperature field can be tested; the detection box body 1 can be replaced by transparent materials such as glass or organic glass and acrylic plates, and the sheet-shaped electrodes are replaced by conductive and transparent electrodes, so that illumination can be applied to a sample, and the electrical property of the sample can be tested when a magnetic field is applied and the sample is heated.

The working principle is as follows: when the detection device is used, the connecting plate 62 is held by a hand to be pulled upwards, the connecting plate 62 drives the screw rod 3 and the guide rod 6 to move upwards along the detection box body 1, the screw rod 3 can stably slide up and down through the guide rod 6, the screw rod 3 drives the annular positioning plate 32 to extrude the return spring 33, meanwhile, the screw rod 3 drives the electrode rod 5 to move upwards through the clamping mechanism, the ceramic plate 22 is placed on the convex screw 21 from the square hole 12 on the side surface of the detection box body 1 through the tweezers, then the connecting plate 62 is loosened, the screw rod 3 moves downwards under the elastic action of the return spring 33, and therefore the electrode rod 5 is in close contact with the ceramic plate 22, and detection can be performed at the moment; when the distance between the electrode rod 5 and the convex screw 21 needs to be adjusted, the adjusting nut 31 is rotated to move up and down along the screw rod 3, the screw rod 3 slides up and down along the detection box body 1 to adjust the distance between the electrode rod 5 and the convex screw 21, the screw rod 3 drives the guide rod 6 to slide up and down through the connecting plate 62, the up-and-down movement distance of the screw rod 3 can be accurately adjusted through the dial gauge 61 arranged on the guide rod 6, and the electrical property testing device can detect media with different sizes; when the electrode rod 5 needs to be replaced, the clamping screw 43 is screwed outwards from the clamping plate 42, so that the clamping plate 42 loosens the clamping of the electrode rod 5, and the electrode rod 5 can be conveniently replaced.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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 material electrical property testing arrangement convenient to it is fixed, is including detecting box (1), its characterized in that: the detection device is characterized in that a rectangular hole (11) is formed in the front end face of the detection box body (1), a square hole (12) is formed in the rear end face of the detection box body (1), a round hole is formed in the upper end of the detection box body (1) in a penetrating mode, annular fixing plates (13) are symmetrically welded to the upper end and the lower end of the round hole in the upper end and the lower end of the detection box body (1), a first electrode plate (2) is connected into the rectangular hole (11) in a penetrating and penetrating mode, a convex screw (21) is inserted into one end of the first electrode plate (2), a nut is sleeved at the lower end of the convex screw (21), a ceramic plate (22) is arranged at the upper end of the convex screw (21), a screw rod (3) is connected into the detection box body (1) in a penetrating and inserting mode, an adjusting nut (31) is sleeved on the screw rod (3), the adjusting nut (31) is arranged at the upper end of the detection box body (1), and a reset mechanism is arranged on the screw rod (3), fixture is installed to the lower extreme of screw pole (3), electrode bar (5) are installed to fixture's lower extreme, the lower extreme and ceramic wafer (22) contact of electrode bar (5), the upper end of detecting box (1) is run through to peg graft and is had guide bar (6), guide bar (6) be provided with graduation apparatus (61), the upper end of guide bar (6) is passed through connecting plate (62) and is connected with screw pole (3), second electrode piece (7) are installed through the nut in the upper end of screw pole (3).

2. The easy-to-fix material electrical property testing device of claim 1, wherein: one end, far away from the convex screw (21), of the first electrode plate (2) is inserted with a bolt rod in a penetrating and inserting mode, nuts are symmetrically arranged on the upper portion and the lower portion of the bolt rod in a sleeved mode, and the first electrode plate (2) is fixedly connected with the detection box body (1) through screws.

3. The easy-to-fix material electrical property testing device of claim 1, wherein: the screw rod (3) is connected with the detection box body (1) in a sliding mode, and the screw rod (3) penetrates through the two annular fixing plates (13).

4. The device for testing the electrical property of the material convenient to fix of claim 1, wherein: the reset mechanism comprises: annular positioning plate (32) and reset spring (33), the cover is equipped with annular positioning plate (32) on screw pole (3), the lower pot head at annular positioning plate (32) is equipped with the nut on screw pole (3), the cover is equipped with reset spring (33) on screw pole (3), reset spring (33) set up between annular positioning plate (32) and annular fixed plate (13).

5. The device for testing the electrical property of the material convenient to fix of claim 1, wherein: the fixture includes: stop nut (4), fixed block (41), clamp plate (42) and clamping screw (43), the lower extreme threaded connection of lead screw (3) has stop nut (4), the lower extreme welding of stop nut (4) has fixed block (41), the side of fixed block (41) is provided with clamp plate (42), be connected through clamping screw (43) between fixed block (41) and clamp plate (42), the upper end setting of electrode bar (5) is between fixed block (41) and clamp plate (42).

6. The easy-to-fix material electrical property testing device of claim 1, wherein: one end, far away from the screw rod (3), of the second electrode plate (7) is connected with a conductive bolt through a nut, and the upper end of the conductive bolt is connected with the banana head socket.