CN119224380B - Magnetic attraction mounting type cabinet body electric power detection equipment - Google Patents

Magnetic attraction mounting type cabinet body electric power detection equipment

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Publication number
CN119224380B
CN119224380B CN202411330426.3A CN202411330426A CN119224380B CN 119224380 B CN119224380 B CN 119224380B CN 202411330426 A CN202411330426 A CN 202411330426A CN 119224380 B CN119224380 B CN 119224380B
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CN
China
Prior art keywords
contact
protective box
frame
fixing
power detection
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CN202411330426.3A
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Chinese (zh)
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CN119224380A (en
Inventor
王新平
吴新发
陈羽
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Jiangxi Xinda Electric Energy Technology Co ltd
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Jiangxi Xinda Electric Energy Technology Co ltd
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Priority to CN202411330426.3A priority Critical patent/CN119224380B/en
Publication of CN119224380A publication Critical patent/CN119224380A/en
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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/56—Contact arrangements for providing make-before-break operation, e.g. for on-load tap-changing
    • 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
    • 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
    • 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

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Patch Boards (AREA)

Abstract

本发明涉及电力检测领域，尤其涉及一种磁吸挂载式柜体电力检测设备，包括有防护箱体，所述防护箱体中部安装有检测主体，所述防护箱体下部后侧设置有两个磁吸座，调节机构设置在所述防护箱体上，安装机构安装在所述防护箱体后侧。本发明在进行接驳检测时，将线路与接线板全部连接，完成接线操作后进行初步测试，一次测试后通过推动第一接触板，使得第一接触板带动第一接触件进行运动，从而使得第一接触件带动导线进行运动，此时快速改变触点之间的接触，达到快速切换回路的效果，使得检测更加便捷高效。

The present invention relates to the field of power detection, and in particular to a magnetically mounted cabinet power detection device, comprising a protective box, a detection body mounted in the middle of the protective box, two magnetic seats mounted on the lower rear side of the protective box, an adjustment mechanism mounted on the protective box, and a mounting mechanism mounted on the rear side of the protective box. When performing a connection test, the present invention connects all the circuits to the terminal block, performs a preliminary test after completing the wiring operation, and after one test, pushes the first contact plate so that the first contact plate drives the first contact member to move, thereby causing the first contact member to drive the wire to move. At this time, the contact between the contacts is quickly changed to achieve the effect of quickly switching the circuit, making the detection more convenient and efficient.

Description

Magnetic attraction mounting type cabinet body electric power detection equipment
Technical Field
The invention relates to the field of electric power detection, in particular to magnetic attraction mounting type cabinet electric power detection equipment.
Background
The cabinet body power detection is a device for detecting internal electrical parameters and states of power equipment such as a power distribution cabinet and a switch cabinet, helps technicians to find potential problems in time, such as insulation damage, connection looseness or overheating, and the like.
Therefore, magnetic mounting type cabinet power detection equipment is developed aiming at the problems.
Disclosure of Invention
In order to overcome the defect that the detection efficiency is reduced due to the fact that the circuits of the cabinet body are more and the circuits are required to be continuously switched in the detection process in the actual use process of the conventional device, the invention provides the magnetic mounting type cabinet body power detection equipment.
The technical scheme of the invention is that the magnetic mounting type cabinet power detection equipment comprises a protection box body, wherein a detection main body is arranged in the middle of the protection box body, two magnetic mounting seats are arranged on the rear side of the lower part of the protection box body, and the magnetic mounting type cabinet power detection equipment further comprises:
The adjusting mechanism is arranged on the protective box body and used for rapidly adjusting the electric wire loop for detection;
the mounting mechanism is mounted on the rear side of the protective box body and used for assisting mounting, placing and mounting.
As a further preferred scheme, adjustment mechanism is including fixed frame, fixed frame is total two, installs respectively the protection box both sides, all be provided with the wiring board in the fixed frame, the wiring board is used for connecting the circuit that detects required connection, all be connected with first contact in the fixed frame in the slidingtype, all have contact on the first contact, contact can be connected different incoming lines on the wiring board, all be connected with first contact on the first contact, all have anti-skidding line on the first contact, first contact with all be connected with the wire between the detection main part.
As a further preferable scheme, the installation mechanism comprises a sleeve assembly, two sleeve assemblies which are bilaterally symmetrical are connected to the rear side of the protective box body, first fixing seats are all installed on the sleeve assemblies, adsorption plates are all rotationally connected to the first fixing seats and used for carrying auxiliary devices for placement, sliding plates are connected between the first fixing seats in a sliding mode, and the sliding plates can be connected with the adsorption plates in a clamping mode.
As a further preferable scheme, the device further comprises a power-off mechanism, the power-off mechanism comprises a fixing frame, the left side and the right side of the detection main body are both connected with the fixing frame, sliding frames are connected to the fixing frame in a sliding mode, the sliding frames are connected with the wires, two first springs are connected between the sliding frames and the adjacent fixing frames, pushing frames are connected to the first contact pieces, and the pushing frames can be contacted with the adjacent sliding frames.
As still further preferred scheme, still including demolishing mechanism, demolish the mechanism including the second fixing base, protection box lower part rear side is connected with bilateral symmetry's two the second fixing base, all be provided with the rotation piece on the second fixing base, all rotation on rotation piece upper portion is connected with the squeeze roll, all rotation is provided with the second contact plate on the rotation piece, the second contact plate is used for propping up the device lower part, improves swift clearance of demolishing, the second contact plate with be connected with the torsional spring between the adjacent rotation piece.
As a further preferable scheme, the circuit breaker further comprises a connecting mechanism, wherein the connecting mechanism comprises fixing rings, five fixing rings are arranged on the wiring board, second contact pieces are connected to the fixing rings in a sliding mode, the second contact pieces are used for compressing the circuit, and second springs are connected between the second contact pieces and the adjacent fixing rings.
As a further preferable scheme, the protective mechanism comprises a third fixing seat, wherein the left side and the right side of the protective box body are respectively connected with the third fixing seat, and the third fixing seat is respectively and rotatably connected with a protective frame for shielding and protecting a wiring position.
As a further preferable scheme, the squeeze rollers are provided with rubber strips for enhancing friction force.
By adopting the technical scheme, the invention has the following advantages:
1. When the connection detection is carried out, the circuit is fully connected with the wiring board, the preliminary test is carried out after the wiring operation is finished, and the first contact board is pushed after one test, so that the first contact board drives the first contact piece to move, the first contact piece drives the lead to move, the contact between the contacts is quickly changed at the moment, the effect of quickly switching loops is achieved, and the detection is more convenient and efficient.
2. When the device is installed, in order to improve the stability of the installation of the device, the sliding plate is pulled to enable the adsorption plate to be separated from the clamping connection, then the adsorption plate is turned upwards to be opened, then the adsorption plate is pulled to enable the adsorption plate to pull the sleeve assembly to extend, at the moment, the adsorption plate can assist the device to carry out high-position mounting, so that the device can be adapted to different installation positions and stably mounted and placed, and the integral use convenience of the device is improved.
3. When carrying out contact return circuit switching, along with the motion of first contact, can drive the promotion frame and move, under the initial condition, the promotion frame is in the promotion extrusion state to the carriage, and first spring all is in atress compression state this moment, when first contact begins to move, promotes the frame and no longer extrudees the carriage, and under the effect of first spring, the carriage can slide to the outside to make the wire detect the main part and loosen and take off, and then accomplish the outage processing before the switching return circuit, avoid the in-process that switches over the return circuit to cause the problem of short circuit.
4. When the device is disassembled fast, the whole device is pulled upwards, the extrusion roller can rotate under the action of friction force, so that the second contact plate is turned over by means of the friction force of the extrusion roller, the lower part of the device is supported, and the gap for quick disassembly is improved.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic view of a partially cut-away perspective structure of the present invention.
Fig. 3 is a schematic view of a partially cut-away perspective structure of an adjustment mechanism according to the present invention.
Fig. 4 is a schematic perspective view of the mounting mechanism of the present invention.
Fig. 5 is a partially cutaway perspective view of the mounting mechanism of the present invention.
Fig. 6 is a schematic perspective view of the power-off mechanism of the present invention.
Fig. 7 is a schematic perspective view of the dismantling mechanism of the present invention.
Fig. 8 is a schematic view of a part of a dismantling mechanism according to the invention.
Fig. 9 is a schematic perspective view of the connecting mechanism of the present invention.
Fig. 10 is a schematic perspective view of a protection mechanism according to the present invention.
The device comprises a 1-protection box body, a 2-detection main body, a 3-magnetic suction seat, a 4-adjusting mechanism, a 41-fixing frame, a 42-wiring board, a 43-first contact piece, a 44-first contact board, a 45-wire, a 5-installation mechanism, a 51-sleeve assembly, a 52-first fixing seat, a 53-adsorption board, a 54-sliding board, a 6-power-off mechanism, a 61-fixing frame, a 62-sliding frame, a 63-first spring, a 64-pushing frame, a 7-dismantling mechanism, a 71-second fixing seat, a 72-rotating piece, a 73-extrusion roller, a 74-second contact board, a 75-torsion spring, an 8-connecting mechanism, a 81-fixing ring, a 82-second contact piece, a 83-second spring, a 9-protection mechanism, a 91-third fixing seat and a 92-protection frame.
Detailed Description
The invention will be further described with reference to specific embodiments, and it should be understood that terms such as arrangement, mounting, coupling, and connection are to be construed broadly, as for example, fixedly coupled, detachably coupled, or integrally coupled, mechanically coupled, electrically coupled, directly coupled, indirectly coupled via an intervening medium, or in communication between two elements, unless otherwise specifically indicated or defined. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Example 1
The utility model provides a mounting formula cabinet body power detection equipment is inhaled to magnetism, as shown in fig. 1 and fig. 2, including protection box 1, protection box 1 mid-mounting has detects main part 2, and protection box 1 lower part rear side is provided with two magnetism and inhale seat 3, still includes:
The adjusting mechanism 4 is arranged on the protective box body 1 and used for quickly adjusting the electric wire loop for detection;
the mounting mechanism 5 is mounted on the rear side of the protective box body 1 and used for assisting mounting, placing and mounting.
It should be noted that, when carrying out the cabinet body electric power detection of switch board, can use this device to carry out auxiliary operation, at first utilize installation mechanism 5 to accomplish the mount and place, coordinate magnetism to inhale seat 3 and adsorb the installation for the whole device can keep stable, later with the whole connection of accomplishing of detecting circuit, make the circuit can correspond to connect on adjustment mechanism 4, at last correspond control adjustment mechanism 4 according to the detection needs and adjust the change, come the quick switch detection return circuit, reach the effect of short-term test.
As shown in fig. 1 and 3, the adjusting mechanism 4 includes a fixed frame 41, two fixed frames 41 are shared, and are respectively installed at two sides of the protective box 1, a wiring board 42 is provided in the fixed frame 41, the wiring board 42 is used for connecting lines to be connected for detection, a first contact piece 43 is connected in the fixed frame 41 in a sliding manner, contact points are provided on the first contact piece 43, different wire inlets on the wiring board 42 can be connected to the contact points, first contact plates 44 are connected on the first contact piece 43, anti-skidding patterns are provided on the first contact plates 44, and wires 45 are connected between the first contact piece 43 and the detection main body 2.
It should be noted that, when the connection detection is performed, the circuit is all connected with the wiring board 42, the preliminary test is performed after the wiring operation is completed, and the first contact board 44 is pushed after the primary test, so that the first contact board 44 drives the first contact piece 43 to move, and the first contact piece 43 drives the wire 45 to move, at this time, the contact between the contacts is quickly changed, the effect of quickly switching the circuit is achieved, and the detection is more convenient and efficient.
As shown in fig. 1, 4 and 5, the installation mechanism 5 comprises a sleeve assembly 51, two sleeve assemblies 51 which are bilaterally symmetrical are connected to the rear side of the protective box body 1, first fixing seats 52 are installed on the sleeve assemblies 51, adsorption plates 53 are rotatably connected to the first fixing seats 52, the adsorption plates 53 are used for mounting and placing auxiliary devices, sliding plates 54 are slidably connected between the first fixing seats 52, and the sliding plates 54 can be clamped with the adsorption plates 53.
It should be noted that, when the device is installed, in order to improve the stability of the device installation, the sliding plate 54 is pulled to enable the adsorption plate 53 to be separated from the clamping connection, then the adsorption plate 53 is turned upwards to be opened, and then the adsorption plate 53 is pulled to enable the adsorption plate 53 to pull the sleeve assembly 51 to extend, at this time, the adsorption plate 53 can assist the device in carrying out high-level mounting, so that the device can adapt to different mounting positions and carry out stable mounting placement, and the overall use convenience of the device is improved.
Example 2
On the basis of embodiment 1, as shown in fig. 2 and 6, the power-off mechanism 6 further comprises a power-off mechanism 6, the power-off mechanism 6 comprises a fixing frame 61, both the left side and the right side of the detection main body 2 are connected with the fixing frame 61, both the fixing frames 61 are connected with sliding frames 62 in a sliding manner, the sliding frames 62 are connected with the wires 45, two first springs 63 are connected between the sliding frames 62 and the adjacent fixing frames 61, both the first contact pieces 43 are connected with pushing frames 64, and both the pushing frames 64 can be in contact with the adjacent sliding frames 62.
It should be noted that, when the contact loop is switched, along with the movement of the first contact element 43, the pushing frame 64 is driven to move, in the initial state, the pushing frame 64 is in a pushing and extruding state to the sliding frame 62, at this time, the first springs 63 are all in a stressed and compressed state, when the first contact element 43 starts to move, the pushing frame 64 does not extrude the sliding frame 62 any more, and under the action of the first springs 63, the sliding frame 62 slides to the outside, so that the wire 45 detects the main body 2 to loosen, and then the power-off processing before the loop switching is completed, so as to avoid the problem of short circuit caused in the process of the loop switching.
As shown in fig. 2, 7 and 8, the dismounting mechanism 7 is further included, the dismounting mechanism 7 includes a second fixing seat 71, two second fixing seats 71 which are bilaterally symmetrical are connected to the rear side of the lower portion of the protective box 1, rotating members 72 are respectively arranged on the second fixing seats 71, squeeze rollers 73 are respectively connected to the upper portions of the rotating members 72 in a rotating mode, rubber strips for enhancing friction force are respectively arranged on the squeeze rollers 73, second contact plates 74 are respectively arranged on the rotating members 72 in a rotating mode, the second contact plates 74 are used for supporting the lower portion of the device, a rapid dismounting gap is improved, and torsion springs 75 are respectively connected between the second contact plates 74 and the adjacent rotating members 72.
It should be noted that, when the device is disassembled rapidly, the whole device is pulled upwards, the squeeze roller 73 is rotated under the action of friction force, so that the second contact plate 74 is turned over by the friction force of the squeeze roller 73, the lower part of the device is supported, the gap for rapid disassembly is improved, and an operator can detach the whole device through a gap after the device is supported.
As shown in fig. 3 and 9, the circuit breaker further comprises a connecting mechanism 8, the connecting mechanism 8 comprises fixing rings 81, five fixing rings 81 are installed on the wiring board 42, second contact pieces 82 are connected to the fixing rings 81 in a sliding mode, the second contact pieces 82 are used for compressing the circuit, and second springs 83 are connected between the second contact pieces 82 and the adjacent fixing rings 81.
When the wiring is performed, the second contact 82 and the second spring 83 cooperate, so as to compress and fix the wiring, keep the wiring stable and avoid the wiring from loosening.
As shown in fig. 1 and 10, the protection device further comprises a protection mechanism 9, the protection mechanism 9 comprises a third fixing seat 91, the left side and the right side of the protection box body 1 are respectively connected with the third fixing seat 91, and the third fixing seats 91 are respectively and rotatably connected with a protection frame 92 for shielding and protecting the wiring position.
The technical principles of the embodiments of the present invention are described above in connection with specific embodiments. The description is only intended to explain the principles of the embodiments of the invention and should not be taken in any way as limiting the scope of the embodiments of the invention. Based on the explanations herein, those skilled in the art will recognize other embodiments of the present invention without undue burden, and those ways that are within the scope of the present invention.

Claims (6)

1.一种磁吸挂载式柜体电力检测设备，包括有防护箱体（1），所述防护箱体（1）中部安装有检测主体（2），所述防护箱体（1）下部后侧设置有两个磁吸座（3），其特征在于，还包括有：1. A magnetically mounted cabinet power detection device, comprising a protective box (1), a detection body (2) mounted in the middle of the protective box (1), and two magnetic seats (3) arranged on the rear side of the lower part of the protective box (1), characterized in that it also comprises: 调节机构（4），所述调节机构（4）设置在所述防护箱体（1）上，用于快速调节用于检测的电线回路；An adjustment mechanism (4), the adjustment mechanism (4) being arranged on the protective box (1) and being used for quickly adjusting a wire loop for detection; 安装机构（5），所述安装机构（5）安装在所述防护箱体（1）后侧，用于辅助挂载放置安装；A mounting mechanism (5), the mounting mechanism (5) being mounted on the rear side of the protective box (1) and used for assisting mounting and placement; 所述调节机构（4）包括有固定框（41），所述固定框（41）共有两个，分别安装在所述防护箱体（1）两侧，所述固定框（41）内均设置有接线板（42），所述接线板（42）用于对检测所需要连接的线路进行连接，所述固定框（41）内均滑动式连接有第一接触件（43），所述第一接触件（43）上均带有接触触点，所述接触触点能够连接所述接线板（42）上的不同进线口，所述第一接触件（43）上均连接有第一接触板（44），所述第一接触板（44）上均带有防滑纹，所述第一接触件（43）与所述检测主体（2）之间均连接有导线（45）；The adjustment mechanism (4) includes a fixed frame (41), and there are two fixed frames (41) respectively installed on both sides of the protective box (1). A wiring board (42) is provided in each of the fixed frames (41), and the wiring board (42) is used to connect the lines required for detection. A first contact member (43) is slidably connected in each of the fixed frames (41), and the first contact member (43) has a contact point, and the contact point can be connected to different line inlets on the wiring board (42). The first contact member (43) is connected to a first contact plate (44), and the first contact plate (44) has anti-slip grooves. A wire (45) is connected between the first contact member (43) and the detection body (2); 所述安装机构（5）包括有套筒组件（51），所述防护箱体（1）后侧连接有左右对称的两个所述套筒组件（51），所述套筒组件（51）上均安装有第一固定座（52），所述第一固定座（52）上均转动式连接有吸附板（53），所述吸附板（53）用于辅助装置进行挂载放置，所述第一固定座（52）之间滑动式连接有滑动板（54），所述滑动板（54）能够与所述吸附板（53）卡接。The mounting mechanism (5) includes a sleeve assembly (51), and two symmetrical sleeve assemblies (51) are connected to the rear side of the protective box (1). A first fixing seat (52) is installed on each of the sleeve assemblies (51), and an adsorption plate (53) is rotatably connected to each of the first fixing seats (52). The adsorption plate (53) is used for mounting and placing the auxiliary device. A sliding plate (54) is slidably connected between the first fixing seats (52), and the sliding plate (54) can be snapped into the adsorption plate (53). 2.如权利要求1所述的一种磁吸挂载式柜体电力检测设备，其特征在于：还包括有断电机构（6），所述断电机构（6）包括有固定架（61），所述检测主体（2）左右两侧均连接有所述固定架（61），所述固定架（61）上均滑动式连接有滑动架（62），所述滑动架（62）与所述导线（45）连接，所述滑动架（62）与相邻的所述固定架（61）之间均连接有两根第一弹簧（63），所述第一接触件（43）上均连接有推动架（64），所述推动架（64）均能够与相邻的所述滑动架（62）接触。2. A magnetically mounted cabinet power detection device according to claim 1, characterized in that: it also includes a power-off mechanism (6), the power-off mechanism (6) includes a fixed frame (61), the left and right sides of the detection body (2) are connected to the fixed frame (61), the fixed frame (61) is slidably connected to a sliding frame (62), the sliding frame (62) is connected to the wire (45), two first springs (63) are connected between the sliding frame (62) and the adjacent fixed frame (61), the first contact member (43) is connected to a push frame (64), and the push frame (64) can contact the adjacent sliding frame (62). 3.如权利要求2所述的一种磁吸挂载式柜体电力检测设备，其特征在于：还包括有拆除机构（7），所述拆除机构（7）包括有第二固定座（71），所述防护箱体（1）下部后侧连接有左右对称的两个所述第二固定座（71），所述第二固定座（71）上均设置有转动件（72），所述转动件（72）上部均转动式连接有挤压辊（73），所述转动件（72）上均转动式设置有第二接触板（74），所述第二接触板（74）用于将装置下部撑起，提高快捷拆除的空隙，所述第二接触板（74）与相邻的所述转动件（72）之间均连接有扭簧（75）。3. A magnetically mounted cabinet power detection device according to claim 2, characterized in that: it also includes a dismantling mechanism (7), the dismantling mechanism (7) includes a second fixed seat (71), the rear side of the lower part of the protective box (1) is connected to two second fixed seats (71) that are symmetrical on the left and right, and the second fixed seats (71) are each provided with a rotating member (72), the upper part of the rotating member (72) is rotatably connected to an extrusion roller (73), and the rotating member (72) is rotatably provided with a second contact plate (74), the second contact plate (74) is used to support the lower part of the device to increase the gap for quick dismantling, and a torsion spring (75) is connected between the second contact plate (74) and the adjacent rotating member (72). 4.如权利要求3所述的一种磁吸挂载式柜体电力检测设备，其特征在于：还包括有连接机构（8），所述连接机构（8）包括有固定环（81），所述接线板（42）上均安装有五个所述固定环（81），所述固定环（81）上均滑动式连接有第二接触件（82），所述第二接触件（82）用于对线路进行压紧，所述第二接触件（82）与相邻的所述固定环（81）之间均连接有第二弹簧（83）。4. A magnetically mounted cabinet power detection device according to claim 3, characterized in that: it also includes a connecting mechanism (8), the connecting mechanism (8) includes a fixing ring (81), five fixing rings (81) are installed on the terminal block (42), and the fixing rings (81) are all slidably connected to a second contact member (82), the second contact member (82) is used to press the circuit, and a second spring (83) is connected between the second contact member (82) and the adjacent fixing ring (81). 5.如权利要求4所述的一种磁吸挂载式柜体电力检测设备，其特征在于：还包括有防护机构（9），所述防护机构（9）包括有第三固定座（91），所述防护箱体（1）左右两侧均连接有所述第三固定座（91），所述第三固定座（91）上均转动式连接有用于对接线处进行遮挡保护的防护框（92）。5. A magnetically mounted cabinet power detection device according to claim 4, characterized in that it further comprises a protective mechanism (9), wherein the protective mechanism (9) comprises a third fixing seat (91), and the left and right sides of the protective box (1) are both connected to the third fixing seat (91), and the third fixing seat (91) is rotatably connected to a protective frame (92) for shielding and protecting the wiring. 6.如权利要求3所述的一种磁吸挂载式柜体电力检测设备，其特征在于：所述挤压辊（73）上均带有增强摩擦力的橡胶条。6. The magnetically mounted cabinet power detection device according to claim 3, characterized in that the squeezing rollers (73) are provided with rubber strips for enhancing friction.
CN202411330426.3A 2024-09-24 2024-09-24 Magnetic attraction mounting type cabinet body electric power detection equipment Active CN119224380B (en)

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CN208459996U (en) * 2018-08-14 2019-02-01 国家电网有限公司 An interface device for PLC channel testing

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