CN120177972A - An insulation detection device for underground distribution cabinet - Google Patents
An insulation detection device for underground distribution cabinet Download PDFInfo
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- CN120177972A CN120177972A CN202510668057.7A CN202510668057A CN120177972A CN 120177972 A CN120177972 A CN 120177972A CN 202510668057 A CN202510668057 A CN 202510668057A CN 120177972 A CN120177972 A CN 120177972A
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- distribution cabinet
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
- G01R1/0416—Connectors, terminals
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- Geophysics And Detection Of Objects (AREA)
Abstract
本发明属于配电柜检测设备技术领域，提供了一种地埋式配电柜绝缘检测装置，包括：机体；承载座，其具有第一位置和第二位置，其与机体滑动连接；驱动组件，其设置在机体上，其与底板传动连接，其用于驱动承载座作往复直线运动；以及检测组件，其设置在机体上，其包括：安装座，其设置在机体上；以及触头组，其设置在安装座上，其包括多个触头模组，多个触头模组沿Y轴方向依次间隔设置，触头模组包括并列设置并相互绝缘的正极触头和负极触头，正极触头和负极触头分别与电源的正极和负极电连接。本发明所提供的地埋式配电柜绝缘检测装置，结构简单，设计合理，对于柜体板的检测更加全面。
The present invention belongs to the technical field of distribution cabinet detection equipment, and provides an underground distribution cabinet insulation detection device, including: a body; a bearing seat, which has a first position and a second position, and is slidably connected to the body; a driving component, which is arranged on the body, and is transmission-connected to the bottom plate, and is used to drive the bearing seat to make reciprocating linear motion; and a detection component, which is arranged on the body, and includes: a mounting seat, which is arranged on the body; and a contact group, which is arranged on the mounting seat, and includes a plurality of contact modules, and the plurality of contact modules are sequentially arranged at intervals along the Y-axis direction, and the contact modules include positive contacts and negative contacts that are arranged in parallel and insulated from each other, and the positive contacts and negative contacts are electrically connected to the positive and negative poles of the power supply, respectively. The underground distribution cabinet insulation detection device provided by the present invention has a simple structure, a reasonable design, and is more comprehensive for the detection of the cabinet board.
Description
Technical Field
The invention relates to the technical field of power distribution cabinet detection equipment, in particular to an insulation detection device of a buried power distribution cabinet.
Background
The buried power distribution cabinet is a novel power distribution cabinet, the installation mode is greatly different from that of a common power distribution cabinet, the shell is buried underground, the surface is generally provided with a high-strength stainless steel cover plate, after the installation is finished, the cover plate is flush with the ground, and compared with the common power distribution cabinet, the buried power distribution cabinet has the advantages of not occupying a road, not occupying space and not affecting traffic flow, and meanwhile, the buried power distribution cabinet integrates cover plate filling, self-heating of an extremely cold weather cover plate and other personalized customization, and is suitable for places such as squares, roads, exhibition halls, parks, factories and airports.
In the production of cabinet panels for power distribution cabinets, it is often necessary to detect the insulation of the cabinet panels after painting on the cabinet panels. At present, most of ways to detect the insulation of the cabinet board are to randomly select several points on the cabinet board for detection. The detection mode has great limitation, and the condition of missed detection is easy to occur.
In the prior art, the invention patent with publication number CN115184754A provides insulation detection equipment for a power distribution cabinet, and the insulation detection equipment comprises a base, wherein a sliding rail is arranged on the base, a sliding seat is connected onto the sliding rail in a sliding manner, a bottom plate is fixedly connected onto the sliding seat, a cross rod is arranged at the lower end of the bottom plate, a pushing part is arranged below the bottom plate, a supporting seat is arranged on the base, a supporting shaft is connected onto the supporting seat in a rotating manner, a detection part is arranged on the supporting shaft, and a driving part is arranged on the supporting seat.
In the detection process, each time the pushing part drives the cabinet body plate to advance once, the driving part drives one detection part to rotate to a position corresponding to the cabinet body plate, and the plurality of contacts of the detection part perform insulation detection on the cabinet body plate. The insulation detection equipment improves the detection comprehensiveness to a certain extent.
However, a certain gap exists between two adjacent contacts, and meanwhile, after one detection is finished, the pushing part drives the cabinet body plate to advance by a preset distance, so that the next detection is performed, and a detection gap also exists between two detections, so that the detection is still not comprehensive. In addition, since the detection circuit is a power supply, a contact, a cabinet plate, a bottom plate and a power supply, if one side of the cabinet plate has poor insulation and the other side has good insulation, the detection circuit is in an off state, and thus detection fails.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide an insulation detection device of a buried power distribution cabinet, so as to solve or alleviate the technical problems in the prior art.
In order to achieve the above object, the present invention provides an insulation detection device for an underground power distribution cabinet, comprising:
A body;
The bearing seat is provided with a first position and a second position, and is in sliding connection with the machine body, so that the bearing seat can only do reciprocating linear motion between the first position and the second position along the X-axis direction;
A driving assembly arranged on the machine body and connected with the bearing seat in a transmission way and used for driving the bearing seat to do reciprocating linear motion between the first position and the second position, and
The detection component, it sets up on the organism and be located the top of bearing seat, it includes:
a mounting seat arranged on the machine body, and
The contact group is arranged on the mounting seat and comprises a plurality of contact modules, the contact modules are sequentially arranged at intervals along the Y-axis direction, each contact module comprises a positive contact and a negative contact which are arranged in parallel and mutually insulated, and the positive contact and the negative contact are respectively and electrically connected with the positive pole and the negative pole of a power supply;
during detection, the driving assembly drives the bearing seat to move from the first position to the second position or from the second position to the first position, so that a plurality of contact modules of the contact group move on the top surface of the target cabinet plate.
Further, the contact group is provided with a plurality of, and a plurality of contact groups are arranged at intervals along the X-axis direction in sequence, and the projection of all contact modules of the contact group on the YOZ plane is not coincident, so that any one contact module detects different positions of the cabinet body plate, and the top surface of the target cabinet body plate is subjected to uninterrupted detection.
Further, any two adjacent projections of all the contact modules on the YOZ plane have an overlapping area, so that no detection gap exists between any two adjacent contact modules.
Further, the positive contact and the negative contact include:
the first end of the mounting rod is fixedly connected with the mounting seat, and the second end of the mounting rod extends downwards;
A rolling element which is provided at the second end of the mounting bar and which is capable of rolling on a side wall of the target cabinet plate;
a first electrode block slidably disposed in the mounting rod, a side thereof facing the rolling element being abutted against a side wall of the rolling element, and
The first elastic element is arranged in the mounting rod, two ends of the first elastic element are respectively connected with the first electrode block and the mounting rod, and the first elastic element applies elastic force to the first electrode block in a natural state so that the first electrode block has a tendency to move in a direction approaching to the rolling element.
Further, the rolling elements are rollers or balls.
Further, the rolling element is a roller, and a plurality of elastic electrode wires are arranged on the peripheral wall of the roller.
Further, the mounting bar includes:
the first end of the outer rod is connected with the mounting seat, and the second end of the outer rod extends downwards;
an inner rod having a first end coaxially inserted into the outer rod and slidably connected to the outer rod such that the inner rod can move only along the axial line direction of the outer rod, and
And the second elastic element is sleeved on the inner rod, two ends of the second elastic element are respectively connected with the outer rod and the inner rod, and in a natural state, the second elastic element exerts elastic force on the inner rod so that the inner rod has a downward movement trend.
Further, the drive assembly includes:
The lead screw is arranged on the machine body, the axial lead of the lead screw extends along the X-axis direction, and the lead screw is rotationally connected with the machine body;
A motor arranged on the machine body, a power output shaft of the motor is in transmission connection with a power input end of the screw rod, and
The nut is sleeved on the screw and is in transmission connection with the screw, so that when the screw rotates, the nut can be driven to move along the axial lead direction of the screw, and the nut is in transmission connection with the bearing seat, so that the nut can transmit power to the bearing seat to drive the bearing seat to move.
The invention has the beneficial effects that:
According to the buried power distribution cabinet insulation detection device, when the buried power distribution cabinet insulation detection device is used for detection, the contact module is always abutted against the top surface of the target cabinet body plate in the moving process of the bearing seat, so that the detection comprehensiveness of the cabinet body plate is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. Like elements or portions are generally identified by like reference numerals throughout the several figures. In the drawings, elements or portions thereof are not necessarily drawn to scale.
Fig. 1 is a perspective view of an insulation detection device of a buried power distribution cabinet according to an embodiment of the present invention;
fig. 2 is an enlarged view of the portion a shown in fig. 1;
FIG. 3 is a perspective view of a detection assembly of the insulation detection device of the buried power distribution cabinet shown in FIG. 1;
FIG. 4 is a partial cross-sectional view of the sensing assembly shown in FIG. 3;
FIG. 5 is a perspective view of the positive and negative contacts of the detection assembly shown in FIG. 3;
FIG. 6 is a perspective view of a detection assembly of the buried power distribution cabinet insulation detection device shown in FIG. 1;
FIG. 7 is a partial cross-sectional view of the sensing assembly shown in FIG. 6;
FIG. 8 is a perspective view of the positive and negative contacts of the detection assembly shown in FIG. 6;
FIG. 9 is a perspective view of a mounting block for a detection assembly of the buried power distribution cabinet insulation detection apparatus shown in FIG. 1;
fig. 10 is an enlarged view of the portion B shown in fig. 9;
fig. 11 is a perspective view of an embodiment of a rolling element of a detection assembly of the buried power distribution cabinet insulation detection device shown in fig. 1.
Reference numerals:
100. Machine body, 110, first guide rail, 120, second guide rail, 200, bearing seat, 300, mounting seat, 310, jack, 320, second limit groove, 410, screw, 420, motor, 430, nut, 510, mounting rod, 511, outer rod, 512, inner rod, 513, second elastic element, 514, second limit part, 520, rolling element, 521, elastic electrode wire, 530, first electrode block, 540, first elastic element, 550, electrode rod, 551, first limit groove, 610, second electrode block, 611, first limit part, 620, reel, 630, knob, 640, pull rope, 650, third elastic element, 700, driving device, 800, and machine case.
Detailed Description
Embodiments of the technical scheme of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present invention, and thus are merely examples, and are not intended to limit the scope of the present invention.
It is noted that unless otherwise indicated, 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 application belongs.
In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. In the description of the present invention, the meaning of "plurality" is two or more unless specifically defined otherwise.
In the present application, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed, mechanically connected, electrically connected, directly connected, indirectly connected via an intervening medium, or in communication between two elements or in an interaction relationship between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present application, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
As shown in fig. 1 to 11, the invention provides an insulation detection device for a buried power distribution cabinet, which comprises a machine body 100, a bearing seat 200, a driving assembly and a detection assembly.
Wherein, the machine body 100 is provided with a machine case 800. The bearing seat 200 has a first position and a second position, and the bearing seat 200 is slidably connected with the machine body 100, so that the bearing seat 200 can only perform reciprocating linear motion along the X-axis direction between the first position and the second position. Specifically, as shown in fig. 1, a first guide rail 110 is disposed on the machine body 100, and the bearing seat 200 is connected to the machine body 100 through the first guide rail 110.
The driving assembly is disposed on the machine body 100, and is in transmission connection with the bearing seat 200, and the driving assembly is used for driving the bearing seat 200 to perform reciprocating linear motion between a first position and a second position.
The detection assembly is disposed on the machine body 100 and above the bearing seat 200, and the detection assembly includes a mounting seat 300 and a contact group.
The mounting base 300 is disposed on the machine body 100 and above the carrying base 200. The contact group is arranged on the mounting seat 300, and comprises a plurality of contact modules, wherein the contact modules are sequentially arranged at intervals along the Y-axis direction, each contact module comprises a positive contact and a negative contact which are arranged in parallel and mutually insulated, and the positive contact and the negative contact are respectively electrically connected with the positive pole and the negative pole of the power supply.
During detection, the contact module is abutted against the top surface of the target cabinet body plate, and the driving assembly drives the bearing seat 200 to move from the first position to the second position or from the second position to the first position, so that a plurality of contact modules of the contact group move on the top surface of the target cabinet body plate, and the top surface of the target cabinet body plate is subjected to uninterrupted detection, so that the aim of improving the detection comprehensiveness is fulfilled.
Specifically, during detection, the surface A of the cabinet body plate faces upwards, the contact module can be abutted against the surface A of the target cabinet body plate, the driving assembly drives the bearing seat 200 to move from the first position to the second position or from the second position to the first position, so that the contact module slides on the surface A of the target cabinet body plate, when the insulation property of the cabinet body plate is good, the positive contact and the negative contact are disconnected, the detection loop is disconnected, when the electric leakage occurs at the corresponding position of the contact module, the positive contact and the negative contact can be connected, and the detection loop is connected, so that the purpose of detecting the insulation property of the cabinet body plate is achieved.
The detection mode of the B surface of the cabinet body plate is the same as the detection mode of the A surface of the cabinet body plate, and redundant description is omitted.
According to the buried power distribution cabinet insulation detection device provided by the invention, during detection, in the process of moving the bearing seat 200, the contact module is always abutted against the top surface of the target cabinet body plate, so that the detection of the cabinet body plate is more comprehensive.
As shown in fig. 1, the mount 300 is preferably slidably coupled to the body 100, and the mount 300 is reciprocally movable in the Z-axis direction between a third position and a fourth position. Specifically, the body 100 is provided with a second guide rail 120, and the mounting seat 300 is slidably connected with the body 100 through the second guide rail 120.
The machine body 100 is provided with a driving device 700, and the driving device 700 is in transmission connection with the mounting seat 300 so as to drive the mounting seat 300 to do reciprocating linear motion between a third position and a fourth position. In the working state, the driving device 700 drives the mounting seat 300 to move so as to change the position of the mounting seat 300 in the Z-axis direction, thereby achieving the purpose of detecting cabinet plates with different thicknesses. As shown in fig. 1, the driving device 700 is an electric putter.
As shown in fig. 1, the drive assembly includes a lead screw 410, a motor 420, and a nut 430.
The screw 410 is disposed on the machine body 100, the axis of the screw 410 extends along the X-axis direction, and the screw 410 is rotatably connected with the machine body 100. The motor 420 is arranged on the machine body 100, the motor 420 is fixedly connected with the machine body 100, and a power output shaft of the motor 420 is in transmission connection with a power input end of the screw 410. The nut 430 is sleeved on the screw 410. The nut 430 is in driving connection with the screw 410 so that the nut 430 can be driven to move along the axial line direction of the screw 410 when the screw 410 rotates. The nut 430 is in driving connection with the carrier 200, so that the nut 430 can transmit power to the carrier 200 to drive the carrier 200 to move. In this embodiment, the nut 430 is fixedly connected to the carrier 200.
In use, the motor 420 drives the screw 410 to rotate, so that the nut 430 moves along the axial line direction of the screw 410 together with the bearing seat 200. Specifically, when the motor 420 drives the screw 410 to rotate in the forward direction, the nut 430 moves in the positive direction of the X-axis, so that the carrier 200 moves from the first position to the second position, and when the motor 420 drives the screw 410 to rotate in the reverse direction, the nut 430 moves in the negative direction of the X-axis, so that the carrier 200 moves from the second position to the first position.
In other embodiments, the drive assembly includes an electric pushrod. The electric push rod is fixedly arranged on the bearing seat 200, a power output shaft of the electric push rod is in transmission connection with the bearing seat 200, and the bearing seat 200 is driven to do reciprocating linear motion between a first position and a second position through the extension and retraction of the electric push rod.
In other embodiments, the drive assembly includes a drive wheel, a timing belt, and a motor.
The driving wheels are rotatably connected with the machine body 100, two driving wheels are arranged, and the two driving wheels are arranged at intervals along the X-axis direction. The transmission belt is sleeved on the transmission wheel and can rotate along with the rotation of the transmission wheel. The motor is fixedly arranged on the machine body 100, and a power output shaft of the motor is in transmission connection with one of the transmission wheels so as to drive the transmission wheel to rotate. The bearing seat 200 is fixedly connected with the horizontal section of the transmission belt.
In use, the motor drives the driving wheel to rotate, so that the carrier 200 is driven to move through the synchronous belt. Specifically, when the motor drives the driving wheel to rotate in the forward direction, the bearing seat 200 is driven to move from the first position to the second position through the synchronous belt, and when the motor drives the driving wheel to rotate in the reverse direction, the bearing seat 200 is driven to move from the second position to the first position through the synchronous belt.
Because gaps are always reserved among a plurality of contact modules of one contact group, the comprehensive detection of the cabinet body plate is further improved. In this embodiment, the contact group is provided with a plurality of, and a plurality of contact groups are along X axis direction interval setting in proper order, and the projection of the contact module of all contact groups on the YOZ plane is not coincident to make arbitrary one contact module detect the different positions of cabinet body board, thereby reach the purpose that further improves its comprehensive to the detection of cabinet body board.
Preferably, any two adjacent projections of all the contact modules on the YOZ plane have an overlapping area, so that no detection gap exists between any two adjacent contact modules, and the purpose of comprehensively detecting the top surface of the cabinet plate is achieved.
As shown in fig. 5 and 8, the positive and negative contacts include a mounting rod 510, a rolling element 520, a first electrode block 530, and a first resilient element 540.
The mounting rod 510 has a first end connected to the mounting block 300 and a second end extending downward. The rolling element 520 has conductivity, a roller element is provided at the second end of the mounting bar 510, and the rolling element 520 is capable of rolling on the side wall of the target cabinet plate. The first electrode block 530 is disposed in the mounting bar 510, and the first electrode block 530 is slidably connected to the mounting bar 510 such that the first electrode block 530 can only move along the axial line direction of the mounting bar 510, and a side of the first electrode block 530 facing the rolling element 520 abuts against a sidewall of the rolling element 520.
The first elastic member 540 is disposed in the mounting bar 510, both ends of the first elastic member 540 are respectively connected with the first electrode block 530 and the mounting bar 510, and in a natural state, the first elastic member 540 applies an elastic force to the first electrode block 530 such that the first electrode block 530 has a tendency to move in a direction approaching the rolling element 520, thereby the first electrode block 530 always keeps abutting against the rolling element 520. The first elastic member 540 may be any member capable of applying an elastic force to the first electrode block 530, and in this embodiment, the first elastic member 540 is a spring.
When the rolling element 520 is in use, the rolling element 520 is abutted against the top surface of the target cabinet body plate, and in the process that the driving assembly drives the bearing seat 200 to move from the first position to the second position or from the second position to the first position, the rolling element 520 rolls on the top surface of the cabinet body plate, so that the purpose of reducing friction force between the contact module and the cabinet body plate is achieved, and the purpose of avoiding scratching the cabinet body plate is further achieved. When the electric leakage occurs at the corresponding position of the contact module, the positive electrode contact and the negative electrode contact are connected by the cabinet body plate, so that a detection circuit is connected, and the aim of detecting the insulativity of the cabinet body plate is fulfilled.
The rolling elements 520 are arranged on the positive electrode contact and the negative electrode contact, so that the aim of reducing friction force between the contact module and the cabinet body plate is fulfilled, and the aim of avoiding scratching the cabinet body plate is fulfilled.
Alternatively, the rolling elements 520 are rollers or balls.
Because the roller is in line contact with the cabinet body plate, the ball is in point contact with the cabinet body plate. Therefore, the rolling elements 520 are preferably rollers for the purpose of improving the comprehensiveness of the detection of the cabinet panels.
As shown in fig. 11, in order to avoid undetectable due to too small a leakage area, it is preferable that the outer peripheral wall of the roller is provided with a number of elastic wires 521.
As shown in fig. 5 and 8, the mounting rod 510 includes an outer rod 511, an inner rod 512, and a second elastic member 513.
The first end of the outer rod 511 is connected to the mounting base 300, the second end extends downward, and the inner rod 512 is coaxially inserted into the outer rod 511, and the inner rod 512 is slidably connected to the outer rod 511, so that the inner rod 512 can only move along the axial line direction of the outer rod 511. The second elastic element 513 is sleeved on the inner rod 512, two ends of the second elastic element 513 are respectively connected with the outer rod 511 and the inner rod 512, and in a natural state, the second elastic element 513 applies elastic force to the inner rod 512 so that the inner rod 512 has a downward movement tendency.
As shown in fig. 4 and 7, the positive and negative contacts further include an electrode stem 550.
The electrode rod 550 is inserted into the mounting rod 510, and the electrode rod 550 is slidably connected to the mounting rod 510, so that the electrode rod 550 can only move along the axial line direction of the mounting rod 510, and a first end of the electrode rod 550 is fixedly connected to the first electrode block 530 and a second end extends out of the mounting rod 510. The carrier 200 is correspondingly provided with insertion holes 310 into which the electrode rods 550 and the mounting rods 510 are inserted. An elastic electrode module electrically connected with a power supply is arranged in the jack 310, and when the electrode rod 550 is inserted into the jack 310, the electrode rod 550 is electrically connected with the elastic electrode module.
As shown in fig. 3 and 6, the elastic electrode module includes a second electrode block 610 and a control structure.
The second electrode blocks 610 are slidably connected with the mounting base 300, two second electrode blocks 610 are provided, and the two second electrode blocks 610 are symmetrically arranged at two sides of the jack 310. A control structure is provided on the mount 300 for controlling the two second electrode blocks 610 to be moved toward or away from each other. When the electrode rod 550 is inserted into the insertion hole 310, the two second electrode blocks 610 are controlled to be close to each other by the control structure so that the second electrode blocks 610 collide with the electrode rod 550, and when the positive electrode contact or the negative electrode contact needs to be replaced, the two second electrode blocks 610 are controlled to be far away from each other by the control structure so that the second electrode blocks 610 are separated from the electrode rod 550.
As shown in fig. 4, 5, 7 and 8, preferably, the outer side wall of the electrode rod 550 is provided with a first limit groove 551, and the second electrode block 610 is correspondingly provided with a first limit portion 611, and in the working state, the first limit groove 551 is matched with the first limit portion 611, so that the positive electrode contact or the negative electrode contact can be firmly inserted into the jack 310.
As shown in fig. 10, preferably, the first end of the mounting rod 510 is provided with a second limiting portion 514, and the sidewall of the insertion hole 310 is correspondingly provided with a second limiting groove 320. Under the operating condition, through the cooperation of second spacing groove 320 and second spacing portion 514 to prevent that installation pole 510 from rotating, simultaneously, through the positional relationship of second spacing groove 320 and second spacing portion 514, can also install positive pole contact or negative pole contact with exact position fast.
Specifically, in use, after the electrode rod 550 is inserted into the insertion hole 310, the two second electrode blocks 610 are controlled to be close to each other by the control structure, the first limiting portion 611 is inserted into the first limiting groove 551, and the first limiting groove 551 is matched with the first limiting portion 611, so that the positive electrode contact or the negative electrode contact can be firmly inserted into the corresponding insertion hole 310.
When the positive contact or the negative contact needs to be replaced, the two second electrode blocks 610 are controlled to be away from each other through the control structure, and the first limiting part 611 and the first limiting groove 551 are away from each other, so that the purpose of pulling out the positive contact or the negative contact is achieved, and the purpose of facilitating installation, disassembly and sliding of the positive contact or the negative contact is achieved.
As shown in fig. 4 and 7, the control structure includes a spool 620, a knob 630, a pull cord 640, and a third elastic member 650.
The spool 620 is disposed within the mount 300 and is rotatably coupled to the mount 300. The knob 630 is disposed at the top of the mounting base 300, and the knob 630 is sleeved on the power input shaft of the drum 620. The pull cord 640 is provided with two and corresponds to the two second electrode blocks 610, respectively, and a first end of the pull cord 640 is connected to the spool 620 and a second end of the pull cord 640 is connected to the second electrode block 610. The third elastic element 650 is provided with two and corresponds to the two second electrode blocks 610, two ends of the third elastic element 650 are connected with the mounting base 300 and the second electrode blocks 610, respectively, and in a natural state, the third elastic element 650 applies an elastic force to the second electrode blocks 610 so that the second electrode blocks 610 have a tendency to move in a direction approaching to the axis of the insertion hole 310.
Specifically, when the positive contact or the negative contact needs to be disassembled, the knob 630 is rotated to drive the winding drum 620 to wind the pull rope 640, so that a pulling force is applied to the second electrode blocks 610 through the pull rope 640, so that the two second electrode blocks 610 are mutually far away, the first limiting part 611 and the first limiting groove 551 are mutually far away, and the purpose of pulling out the positive contact or the negative contact is achieved.
After the positive contact or the negative contact is inserted into the jack 310, the knob 630 is released, and the two second electrode blocks 610 are close to each other under the elastic force of the third elastic element 650, so that the first limiting part 611 is inserted into the first limiting groove 551, and the purpose of installing the positive contact or the negative contact can be achieved.
In the description of the present invention, numerous specific details are set forth. However, it is understood that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
It should be noted that the above embodiments are only used to illustrate the technical solution of the present invention, but not to limit the technical solution of the present invention, and although the detailed description of the present invention is given with reference to the above embodiments, it should be understood by those skilled in the art that the technical solution described in the above embodiments may be modified or some or all technical features may be equivalently replaced, and these modifications or substitutions do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the present invention, and all the modifications or substitutions are included in the scope of the claims and the specification of the present invention.
Claims (8)
1. Buried switch board insulation detection device, its characterized in that includes:
a body (100);
The bearing seat (200) is provided with a first position and a second position, and is in sliding connection with the machine body (100) so that the bearing seat (200) can only do reciprocating linear motion between the first position and the second position along the X-axis direction;
A driving assembly arranged on the machine body (100) and connected with the bearing seat (200) in a transmission way and used for driving the bearing seat (200) to do reciprocating linear motion between the first position and the second position, and
The detection component is arranged on the machine body (100) and is positioned above the bearing seat (200), and comprises:
a mounting base (300) provided on the machine body (100), and
The contact group is arranged on the mounting seat (300) and comprises a plurality of contact modules, the contact modules are sequentially arranged at intervals along the Y-axis direction, each contact module comprises a positive electrode contact and a negative electrode contact which are arranged in parallel and mutually insulated, and the positive electrode contact and the negative electrode contact are respectively and electrically connected with the positive electrode and the negative electrode of a power supply;
During detection, the driving assembly drives the bearing seat (200) to move from the first position to the second position or from the second position to the first position, so that a plurality of contact modules of the contact group move on the top surface of the target cabinet plate, and the top surface of the target cabinet plate is continuously detected.
2. The insulation detection device of a buried power distribution cabinet according to claim 1, wherein a plurality of contact groups are arranged, the plurality of contact groups are sequentially arranged at intervals along the X-axis direction, and projections of contact modules of all the contact groups on a YOZ plane are not overlapped, so that any one of the contact modules can detect different positions of the cabinet body plate.
3. The insulation detection device of a buried power distribution cabinet according to claim 2, wherein any two adjacent projections of all the contact modules on the YOZ plane have an overlapping area, so that no detection gap exists between any two adjacent contact modules.
4. A buried power distribution cabinet insulation detection apparatus according to any one of claims 1 to 3, wherein said positive contact and said negative contact comprise:
the first end of the mounting rod (510) is fixedly connected with the mounting seat (300), and the second end of the mounting rod extends downwards;
A rolling element (520) provided at a second end of the mounting bar (510) and capable of rolling on a side wall of a target cabinet plate;
A first electrode block (530) disposed in the mounting rod (510) and slidably connected to the mounting rod (510) so as to be movable only in the axial direction of the mounting rod (510), a side facing the rolling element (520) being abutted against a side wall of the rolling element (520), and
And a first elastic member (540) disposed in the mounting bar (510), having both ends respectively connected to the first electrode block (530) and the mounting bar (510), and applying an elastic force to the first electrode block (530) in a natural state so that the first electrode block (530) has a tendency to move in a direction approaching the rolling element (520).
5. The insulation detection device of a buried power distribution cabinet according to claim 4, characterized in that the rolling elements (520) are rollers or balls.
6. The insulation detection device of a buried power distribution cabinet according to claim 5, characterized in that the rolling element (520) is a roller, and the peripheral wall of the roller is provided with a plurality of elastic electrode wires (521).
7. The buried power distribution cabinet insulation detection apparatus as set forth in claim 4, wherein the mounting bar (510) includes:
An outer rod (511) having a first end connected to the mount (300) and a second end extending downward;
an inner rod (512) having a first end coaxially inserted into the outer rod and slidably connected to the outer rod (511) such that the inner rod (512) can move only in the axial direction of the outer rod (511), and
And the second elastic element (513) is sleeved on the inner rod (512), two ends of the second elastic element are respectively connected with the outer rod (511) and the inner rod (512), and in a natural state, the second elastic element applies elastic force to the inner rod (512) so that the inner rod (512) has a downward movement trend.
8. The buried power distribution cabinet insulation detection apparatus of claim 1, 2, 3, 5,6 or 7, wherein the drive assembly comprises:
The lead screw (410) is arranged on the machine body (100), the axial lead of the lead screw extends along the X-axis direction, and the lead screw is rotationally connected with the machine body (100);
A motor (420) arranged on the machine body (100) and having a power output shaft in transmission connection with the power input end of the screw (410), and
The nut (430) is sleeved on the screw (410), is in transmission connection with the screw (410), and can drive the nut (430) to move along the axial lead direction of the screw (410) when the screw (410) rotates, and the nut (430) is in transmission connection with the bearing seat (200), so that the nut (430) can transmit power to the bearing seat (200) to drive the bearing seat (200) to move.
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| CN120177972B (en) | 2025-09-12 |
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