CN215263816U

CN215263816U - Insulation resistance tester convenient to fixed work piece

Info

Publication number: CN215263816U
Application number: CN202120514355.8U
Authority: CN
Inventors: 李建璋; 吕东
Original assignee: Guangzhou Altruistic Testing Technology Service Co ltd
Current assignee: Guangdong Shangli Technology Co.,Ltd.
Priority date: 2021-03-11
Filing date: 2021-03-11
Publication date: 2021-12-21
Anticipated expiration: 2031-03-11

Abstract

The utility model discloses an insulation resistance tester convenient to fixed work piece, including test platform, test platform's surface mounting has two fixed bases, fixed base's inside activity is provided with the threaded sleeve pipe, the threaded sleeve pipe's surface is provided with the gear train, one side of gear train is provided with adjusting motor, the activity of running through in the middle of the threaded sleeve pipe is provided with flexible connecting rod, the one end of flexible connecting rod runs through fixed base's tip and outer end terminal surface fixed mounting has the regulation base, the fixed surface of adjusting the base installs test power supply and connects the riser. The utility model discloses an install location clamp splice, activity clamp splice, regulation base, telescopic link, threaded sleeve, power connecting conductor and test conductor can be quick fix a position, clamping to the test piece of being tested, and can carry out the insulation resistance test, effectual improvement work efficiency to a plurality of different types of test pieces simultaneously.

Description

Insulation resistance tester convenient to fixed work piece

Technical Field

The utility model relates to an insulation resistance testing arrangement technical field specifically is an insulation resistance tester convenient to fixed work piece.

Background

With the rapid development of social economy, the insulation resistance is the most basic insulation index of electrical equipment and electrical lines, for the handover test of a low-voltage electrical device, the insulation resistance of a motor, distribution equipment and a distribution line at normal temperature should not be lower than 0.5M omega (for the equipment and lines in operation, the insulation resistance should not be lower than 1M omega/kV), and the insulation resistance of a low-voltage electrical appliance, a connecting cable thereof and a secondary circuit should not be lower than 1M omega generally; should not be less than 0.5M Ω in a relatively humid environment; the insulation resistance of the secondary circuit small bus is not lower than 10M omega, and the insulation resistance of the I-type hand-held electric tool is not lower than 2M omega.

However, when the insulation resistance of the tested piece is tested, the dimension and specification of the tested piece are inconsistent, so that the tested piece is inconvenient to fix, the testing difficulty is high, and the working efficiency is influenced; therefore, the existing requirements are not met, and an insulation resistance tester convenient for fixing a workpiece is provided for the requirement.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an insulation resistance tester convenient to fixed work piece to current insulation resistance who proposes in solving above-mentioned background art is when testing, because the nonconformity of size specification, is inconvenient to be fixed, leads to the test degree of difficulty great, influences work efficiency scheduling problem.

In order to achieve the above object, the utility model provides a following technical scheme: an insulation resistance tester convenient for fixing a workpiece comprises a test platform, wherein two fixed bases are mounted on the surface of the test platform, a threaded sleeve is movably arranged inside the fixed bases, a gear set is arranged on the outer surface of the threaded sleeve, an adjusting motor is arranged on one side of the gear set, a telescopic connecting rod is movably arranged in the middle of the threaded sleeve in a penetrating manner, one end of the telescopic connecting rod penetrates through the end part of the fixed base, an adjusting base is fixedly mounted on the end surface of the outer end of the end part of the threaded sleeve, a test power supply connecting vertical plate is fixedly mounted on the surface of the adjusting base, a plurality of protection blocks are uniformly and fixedly mounted on the side surface of the test power supply connecting vertical plate, power supply connecting conductors are arranged on the inner sides of the protection blocks and are fixed on the test power supply connecting vertical plate, test conductors are movably arranged in the middle of the protection blocks, and a plurality of positioning clamping blocks are uniformly and fixedly mounted above the adjusting base, the guide stand columns are installed on the surfaces of the two ends of the positioning clamping block, and the movable clamping block is movably arranged above the positioning clamping block.

Preferably, a buffer spring is arranged between the test conductor and the power supply connecting conductor, the buffer spring is made of copper, and the end part of the buffer spring is fixedly connected with the test conductor and the power supply connecting conductor.

Preferably, the outer surface of the telescopic connecting rod and the inner side surface of the threaded sleeve are provided with threads with the same turning directions, and the telescopic connecting rod is in threaded connection with the threaded sleeve.

Preferably, both ends of the movable clamping block are sleeved on the outer side of the guide stand column, the upper end face of the guide stand column is provided with a limiting piece, and a pre-tightening spring is arranged between the end part of the movable clamping block and the limiting piece.

Preferably, a plurality of balls are uniformly embedded on the inner side surfaces of the movable clamping block and the positioning clamping block, the movable clamping block and the measured piece are in ball transmission.

Preferably, the telescopic connecting rod is inserted in the outer side of the end part inside the fixed base and is uniformly and fixedly provided with two guide sliding blocks, and the guide sliding blocks are connected with the fixed base in a sliding manner.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a through upwards stimulate the activity clamp splice of two location clamp splices that correspond each other, make the tip of activity clamp splice just compress pretension spring, then place the both ends of the piece under test in the middle of two location clamp splices and corresponding activity clamp splice, loosen your activity clamp splice, pretension spring elastic recovery this moment drives the activity clamp splice and resets, make the activity clamp splice that resets downwards and location clamp splice fix the tip of the piece under test, then adjust the motor drive threaded sleeve and drive flexible connecting rod and move and make the adjusting base drive the test conductor and laminate to the work piece tip and test, can be fast fix a position the test piece under test, the clamping, and be provided with a plurality of location clamp splices, activity clamp splice and test conductor and power connecting conductor can carry out insulation resistance test to a plurality of different types of test pieces simultaneously, the working efficiency is effectively improved;

2. the utility model discloses a buffer spring through copper connects in test conductor and power connecting conductor's centre for the test conductor can not produce great pressure to being surveyed when being surveyed a tip in the laminating, avoids being surveyed a damage, and guarantees the normal circulation of electric current, and the guarantee test goes on smoothly, can not have the interference.

Drawings

Fig. 1 is a schematic overall structure diagram of the present invention;

FIG. 2 is a schematic structural view of the movable clamping block of the present invention;

fig. 3 is a schematic structural diagram of the fixing base of the present invention.

In the figure: 1. a test platform; 2. a fixed base; 3. adjusting the base; 4. the test power supply is connected with the vertical plate; 5. positioning the clamping block; 6. a movable clamping block; 7. a power supply connection conductor; 8. a guide upright post; 9. a telescopic connecting rod; 10. a threaded bushing; 11. a gear set; 12. adjusting the motor; 13. a protection block; 14. the conductors are tested.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1 to fig. 3, the present invention provides an embodiment: an insulation resistance tester convenient for fixing a workpiece comprises a test platform 1, two fixed bases 2 are arranged on the surface of the test platform 1, a threaded sleeve 10 is movably arranged in each fixed base 2, a gear set 11 is arranged on the outer surface of the threaded sleeve 10, an adjusting motor 12 is arranged on one side of the gear set 11, a telescopic connecting rod 9 is movably arranged in the middle of the threaded sleeve 10 in a penetrating manner, one end of the telescopic connecting rod 9 penetrates through the end part of the fixed base 2, an adjusting base 3 is fixedly arranged on the end face of the outer end of the end part of the fixed base 2, a test power supply connecting vertical plate 4 is fixedly arranged on the surface of the adjusting base 3, a plurality of protective blocks 13 are uniformly and fixedly arranged on the side face of the test power supply connecting vertical plate 4, a power supply connecting conductor 7 is arranged on the inner side of each protective block 13, the power supply connecting conductor 7 is fixed on the test power supply connecting vertical plate 4, and a test conductor 14 is movably arranged in the middle of each protective block 13, a plurality of positioning clamping blocks 5 are uniformly and fixedly arranged above the adjusting base 3, guide upright posts 8 are arranged on the surfaces of the two ends of the positioning clamping blocks 5, and movable clamping blocks 6 are movably arranged above the positioning clamping blocks 5.

Further, a buffer spring is arranged between the test conductor 14 and the power supply connecting conductor 7, the buffer spring is made of copper, the end portion of the buffer spring is fixedly connected with the test conductor 14 and the power supply connecting conductor 7, the buffer spring made of copper can conduct current dredging while buffering, and the power supply connecting conductor 7 and the protection block 13 are communicated with each other.

Further, the surface of telescopic connecting rod 9 and the inboard surface of threaded sleeve 10 all are provided with and revolve to the identical screw thread, and telescopic connecting rod 9 passes through threaded connection with threaded sleeve 10, and threaded connection can drive telescopic connecting rod 9 when threaded sleeve 10 rotates and carry out the pivot removal for telescopic connecting rod 9 drives and adjusts base 3 and adjusts the location clamp splice 5 and the activity clamp splice 6 synchronous motion of base 3 top, makes test conductor 14 be close to the tip of being surveyed.

Furthermore, both ends of the movable clamping block 6 are sleeved on the outer side of the guide stand column 8, the upper end face of the guide stand column 8 is provided with a limiting piece, a pre-tightening spring is arranged between the end part of the movable clamping block 6 and the limiting piece, and the pre-tightening spring can effectively ensure that the movable clamping block 6 is only attached to the outer side of the tested piece to fix the tested piece.

Further, the inside surface of activity clamp splice 6 and location clamp splice 5 all evenly inlays and is provided with a plurality of ball, and location clamp splice 5 passes through ball transmission with activity clamp splice 6 and measured piece, and the ball guarantees that location clamp splice 5 and activity clamp splice 6 can slide when carrying out the clamping to the measured piece and between the measured piece for the laminating that test conductor 14 can be smooth is measured a tip and is detected.

Further, the telescopic connecting rod 9 is inserted in the end part outer side of the inside of the fixed base 2 and is uniformly and fixedly provided with two guide sliding blocks, the guide sliding blocks are connected with the fixed base 2 in a sliding mode, the guide sliding blocks can prevent the telescopic connecting rod 9 from synchronously rotating along with the threaded sleeve 10 when the threaded sleeve 10 rotates and the telescopic connecting rod 9 is in threaded transmission, and only axial movement can be carried out.

The working principle is as follows: when the device is used, when an insulation resistance test is carried out on a tested piece, the movable clamping blocks 6 above the two corresponding positioning clamping blocks 5 are pulled upwards firstly, so that the end parts of the movable clamping blocks 6 compress pre-tightening springs, then the two ends of the tested piece are placed between the two positioning clamping blocks 5 and the corresponding movable clamping blocks 6, the movable clamping blocks 6 are loosened, the pre-tightening springs are elastically restored at the moment, the movable clamping blocks 6 are driven to reset, so that the movable clamping blocks 6 and the positioning clamping blocks 5 which reset downwards fix the end parts of the tested piece, then a device power supply is switched on, the adjusting motor 12 drives the threaded sleeve 10 to rotate and the telescopic connecting rods 9 to carry out threaded transmission through the driving gear set 11, at the moment, the telescopic connecting rods 9 extend out of the end parts of the fixed base 2 to drive the adjusting base 3 to move, so that the adjusting base 3 drives the positioning clamping blocks 5 and the movable clamping blocks 6 to move synchronously outside the tested piece, so that the test conductor 14 in the middle of the protection block 13 on the side surface of the test power supply connecting vertical plate 4 is attached to the end part of the tested piece to carry out detection operation.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides an insulation resistance tester convenient to fixed work piece, includes test platform (1), its characterized in that: the surface of the test platform (1) is provided with two fixed bases (2), the inner part of each fixed base (2) is movably provided with a threaded sleeve (10), the outer surface of each threaded sleeve (10) is provided with a gear set (11), one side of each gear set (11) is provided with an adjusting motor (12), the middle of each threaded sleeve (10) is movably provided with a telescopic connecting rod (9) in a penetrating manner, one end of each telescopic connecting rod (9) penetrates through the end part of each fixed base (2), the end face of the outer end of each telescopic connecting rod is fixedly provided with an adjusting base (3), the surface of each adjusting base (3) is fixedly provided with a test power supply connecting vertical plate (4), the side surface of each test power supply connecting vertical plate (4) is uniformly and fixedly provided with a plurality of protective blocks (13), the inner sides of the protective blocks (13) are provided with power supply connecting conductors (7), and the power supply connecting conductors (7) are fixed on the test power supply connecting vertical plates (4), the middle activity of protection piece (13) is provided with test conductor (14), the even fixed mounting in top of adjusting base (3) has a plurality of location clamp splice (5), guide post (8) are all installed on the both ends surface of location clamp splice (5), the top activity of location clamp splice (5) is provided with movable clamp splice (6).

2. The insulation resistance tester facilitating fixing of a workpiece according to claim 1, wherein: the middle of the test conductor (14) and the power supply connecting conductor (7) is provided with a buffer spring, the buffer spring is made of copper, and the end part of the buffer spring is fixedly connected with the test conductor (14) and the power supply connecting conductor (7).

3. The insulation resistance tester facilitating fixing of a workpiece according to claim 1, wherein: the outer surface of the telescopic connecting rod (9) and the inner side surface of the threaded sleeve (10) are provided with threads with the same turning directions, and the telescopic connecting rod (9) is connected with the threaded sleeve (10) through threads.

4. The insulation resistance tester facilitating fixing of a workpiece according to claim 1, wherein: the two ends of the movable clamping block (6) are sleeved on the outer side of the guide upright post (8), the upper end face of the guide upright post (8) is provided with a limiting piece, and a pre-tightening spring is arranged between the end part of the movable clamping block (6) and the limiting piece.

5. The insulation resistance tester facilitating fixing of a workpiece according to claim 1, wherein: the inner side surfaces of the movable clamping block (6) and the positioning clamping block (5) are uniformly embedded with a plurality of balls, and the positioning clamping block (5), the movable clamping block (6) and the measured piece are in ball transmission.

6. The insulation resistance tester facilitating fixing of a workpiece according to claim 1, wherein: the telescopic connecting rod (9) is inserted in the end part outer side in the fixed base (2) and is uniformly and fixedly provided with two guide sliding blocks, and the guide sliding blocks are connected with the fixed base (2) in a sliding manner.