Multifunctional Electrical Integrated Testing Device for Subway Engineering

Abstract

This utility model discloses a multifunctional electrical comprehensive testing device for subway engineering, including an electrical comprehensive tester and a testing pen. A cleaning mechanism is provided on the side of the electrical comprehensive tester, and a display screen is provided on the top of the tester. The testing pen is detachably mounted on the electrical comprehensive tester and includes a pen barrel and an electrode rod. The cleaning mechanism includes a fixed cover, a cleaning box, and a drive base. The fixed cover is fixedly mounted on the side of the electrical comprehensive tester, and the drive base is movably mounted on the fixed cover to drive the cleaning box. The cleaning box is detachably mounted on the upper part of the drive base to clean the testing pen. This utility model has the advantages of automatic cleaning of the testing pen, space saving, and convenient operation, solving the problems of low cleaning efficiency, easy contamination, and impact on measurement accuracy of the testing pen.

Description

Technical Field

[0001] This utility model relates to the field of electrical comprehensive testing instrument technology, specifically a multi-functional electrical comprehensive testing device for subway engineering. Background Technology

[0002] In the construction and operation of subway projects, the safety and stability of the electrical system are of paramount importance. To ensure the accurate measurement of key electrical parameters such as the track power supply system, grounding device, and surrounding soil resistivity, engineers commonly use multifunctional electrical integrated testing devices. Among these devices, the testing pen, as the core component that directly contacts the measured medium (such as track joints, grounding electrodes, or soil), has its electrode rod surface cleanliness directly affecting the accuracy and repeatability of the measurement results.

[0003] Currently, most electrical integrated testing devices used in engineering sites are equipped with independent testing pens. After completing a measurement task, especially when measuring the resistivity of damp or impurity-containing soil, the electrode rods of these testing pens are prone to adhering to dirt, moisture, oxides, and other conductive residues. If not cleaned in time, these residues will form additional conductive paths or contact resistance in subsequent measurements, leading to distorted measurement data. In severe cases, this may cause misjudgments, affecting the safety assessment and maintenance decisions of the subway system. Existing technologies rely on manual cleaning, which is prone to causing the testing pen to fall and is inefficient and difficult to clean thoroughly. Therefore, a multifunctional electrical integrated testing device for subway engineering is needed to solve the above problems. Utility Model Content

[0004] The purpose of this invention is to provide a multifunctional electrical integrated testing device for subway engineering, which has the advantages of automatic cleaning of the testing pen, space saving, and convenient operation, and solves the problems of low cleaning efficiency, easy contamination, and impact on measurement accuracy of the testing pen.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a multi-functional electrical comprehensive testing device for subway engineering, comprising an electrical comprehensive testing instrument and a testing pen, characterized in that: a cleaning mechanism is provided on the side end face of the electrical comprehensive testing instrument;

[0006] The electrical comprehensive testing instrument has a display screen on its upper surface. The testing pen is detachably mounted on the electrical comprehensive testing instrument. The testing pen includes a pen barrel and an electrode rod. The cleaning mechanism includes a fixed cover, a cleaning box, and a drive base. The fixed cover is fixedly mounted on the side surface of the electrical comprehensive testing instrument. The drive base is movably mounted on the fixed cover to drive the cleaning box. The cleaning box is detachably mounted on the upper part of the drive base to clean the testing pen.

[0007] As a preferred embodiment of the multifunctional electrical integrated testing device for subway engineering of this utility model, the side end face of the fixed cover is provided with a shaft hole, and the bottom of the side end face of the drive base is provided with a damping shaft that is rotatably connected to the shaft hole. The drive base and the fixed cover are rotatably connected through the damping shaft and the shaft hole.

[0008] As a preferred embodiment of the multifunctional electrical integrated testing device for subway engineering of this utility model, the upper end surface of the drive base is provided with a positioning groove that mates with the bottom of the cleaning box, and the upper end surface of the positioning groove and the bottom of the cleaning box are provided with magnets for adsorption and mating.

[0009] As a preferred embodiment of the multifunctional electrical integrated testing device for subway engineering of this utility model, the cleaning box is provided with a partition, and the cleaning box is divided into a cleaning chamber and a wiping chamber by the partition.

[0010] As a preferred embodiment of the multifunctional electrical integrated testing device for subway engineering of this utility model, the bottom of the cleaning chamber is provided with a rotatably connected stirring base, and the upper end surface of the stirring base is provided with stirring blades.

[0011] As a preferred embodiment of the multifunctional electrical integrated testing device for subway engineering of this utility model, the bottom of the wiping chamber is provided with a rotating base, and a sponge column is fixedly installed on the upper end surface of the rotating base. The center of the sponge column is provided with a through hole penetrating the top and bottom surfaces.

[0012] As a preferred embodiment of the multifunctional electrical integrated testing device for subway engineering of this utility model, a dual-head motor is provided inside the drive base, a rotatably connected transmission shaft is provided on the upper end face of the drive base, a bushing is provided at the bottom of the rotating base and the stirring base, a transmission head that cooperates with the bushing is provided at the top of the transmission shaft, and the drive motor drives the transmission shaft through a bevel gear.

[0013] As a preferred embodiment of the multifunctional electrical integrated testing device for subway engineering of this utility model, the bottom center of the drive base is provided with a limiting protrusion to restrict the rotation angle of the cleaning box.

[0014] As a preferred embodiment of the multifunctional electrical integrated testing device for subway engineering of this utility model, the top of the cleaning box is provided with an overflow-proof cover with an interference connection.

[0015] As a preferred embodiment of the multifunctional electrical integrated testing device for subway engineering of this utility model, the overflow cover has a central insertion hole, which is a conical structure.

[0016] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0017] 1. This utility model combines a fixed cover, a drive base, and a detachable cleaning box through a rotatable cleaning mechanism located on the side of the electrical comprehensive testing instrument. The angle of the drive base is adjusted using a damping shaft. This structure allows the cleaning box to rotate and fit against the side of the instrument when not in use, greatly saving space. During cleaning, it can be flipped outward so that the opening of the cleaning box faces outward, facilitating the insertion and cleaning of the testing pen. This effectively solves the problems of inconvenient cleaning, large space occupation, and cumbersome operation of traditional testing pens, improving the portability and operational efficiency of the equipment.

[0018] 2. The cleaning box of this utility model is divided into a cleaning chamber and a wiping chamber by a partition. Combined with the rotating stirring base and sponge column structure at the bottom, it realizes the automated cleaning and drying of the test pen. The dual-head motor drives the transmission shaft through bevel gears, which drives the stirring blade to stir the cleaning liquid to enhance the cleaning ability. At the same time, the rotating sponge column wipes the pen and uses centrifugal force to separate the residual liquid. This integrated cleaning process significantly improves the cleaning effect and drying efficiency of the pen, and avoids the impact of residual dirt or cleaning liquid on the subsequent measurement accuracy, thereby ensuring the accuracy and reliability of electrical parameter detection such as soil resistance. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0020] Figure 2 This is a schematic diagram of the detection pen structure of this utility model;

[0021] Figure 3 This is a schematic diagram of the cleaning mechanism structure of this utility model;

[0022] Figure 4 This is a top view of the cleaning mechanism of this utility model;

[0023] Figure 5 For the present utility model Figure 4 Sectional view of AA in the middle;

[0024] Figure 6 For the present utility model Figure 4 Cross-sectional view of the middle section (BB);

[0025] Figure 7 For the present utility model Figure 6 Enlarged view at point C;

[0026] Figure 8 For the present utility model Figure 3 Enlarged view of point D in the middle.

[0027] In the diagram: 1. Electrical comprehensive testing instrument; 2. Testing pen; 202. Pen barrel; 201. Electrode rod; 3. Display screen; 4. Cleaning mechanism; 401. Fixing cover; 402. Cleaning box; 403. Drive base; 404. Overflow cover; 405. Shaft hole; 406. Positioning groove; 407. Insertion hole; 408. Partition; 409. Cleaning chamber; 410. Wiping chamber; 412. Transmission head; 413. Damping shaft; 414. Limiting protrusion; 415. Stirring base; 416. Stirring blade; 417. Rotating base; 418. Sponge column; 419. Transmission shaft; 420. Dual-head motor; 421. Bushing; 422. Magnet. Detailed Implementation

[0028] Please see Figures 1-8 A multi-functional electrical comprehensive testing device for subway engineering includes an electrical comprehensive tester 1 and a test pen 2. The side end face of the electrical comprehensive tester 1 is equipped with a cleaning mechanism 4.

[0029] The electrical comprehensive tester 1 has a display screen 3 on its upper surface. The test pen 2 is detachably mounted on the electrical comprehensive tester 1. The test pen 2 includes a pen barrel 202 and an electrode rod 201. The cleaning mechanism 4 includes a fixed cover 401, a cleaning box 402 and a drive base 403. The fixed cover 401 is fixedly mounted on the side surface of the electrical comprehensive tester 1. The drive base 403 is movably mounted on the fixed cover 401 to drive the cleaning box 402. The cleaning box 402 is detachably mounted on the upper end of the drive base 403 to clean the test pen 2.

[0030] Furthermore, the side end face of the fixed cover 401 is provided with a shaft hole 405, and the bottom of the side end face of the drive base 403 is provided with a damping shaft 413 that is rotatably connected to the shaft hole 405. The drive base 403 and the fixed cover 401 are rotatably connected through the damping shaft 413 and the shaft hole 405.

[0031] The rotating drive base 403 structure allows the angle of the drive base 403 to be adjusted, so that the drive base 403 and the cleaning box 402 can be rotated to fit against the fixed cover 401 when not in use, reducing space occupation. When needed, the drive base 403 can be flipped outward so that the top opening of the cleaning box 402 faces outward, making it easy to clean the electrode rod 201.

[0032] Furthermore, the upper surface of the drive base 403 is provided with a positioning groove 406 that mates with the bottom of the cleaning box 402, and the upper surface of the positioning groove 406 and the bottom of the cleaning box 402 are provided with magnets 422 for adsorption.

[0033] The positioning groove 406 allows the cleaning box 402 to be precisely aligned with the drive base 403, while the magnet 422 adsorbs the cleaning box 402, making it easy to install and remove the cleaning box 402, thus facilitating the removal of the cleaning box 402 for cleaning and replacement.

[0034] Furthermore, the cleaning box 402 is provided with a partition 408, which divides the cleaning box 402 into a cleaning chamber 409 and a wiping chamber 410.

[0035] The cleaning box 402 is divided into a cleaning chamber 409 and a wiping chamber 410 by a partition 408. The test pen 2 is inserted into the cleaning chamber 409 for cleaning, and the cleaned test pen 2 is inserted into the wiping chamber 410 for drying. This allows the test pen 2 to be cleaned quickly after each test of the soil resistance around the track, thus improving the accuracy of the test.

[0036] Furthermore, the bottom of the cleaning chamber 409 is provided with a rotatably connected stirring base 415, and the upper end surface of the stirring base 415 is provided with stirring blades 416.

[0037] When in use, the cleaning chamber 409 is filled with special cleaning fluid. The stirring base 415 drives the stirring blade 416 to rotate, thereby driving the cleaning fluid in the cleaning chamber 409 to rotate and improve the cleaning ability.

[0038] Furthermore, a rotating base 417 is provided at the bottom of the wiping chamber 410, and a sponge column 418 is fixedly installed on the upper end surface of the rotating base 417. A through hole penetrating the top and bottom surfaces is provided in the center of the sponge column 418.

[0039] During operation, the rotating base 417 drives the sponge column 418 to rotate, inserting the electrode rod 201 of the detection pen 2 into the center of the sponge column 418, so that the sponge column 418 wipes the cleaning liquid on the surface of the electrode rod 201 clean, thus facilitating the next test. At the same time, the cleaning liquid in the sponge column 418 is separated from it under the action of centrifugal force.

[0040] Furthermore, a dual-head motor 420 is installed inside the drive base 403, and a drive shaft 419 is rotatably connected to the upper end surface of the drive base 403. A bushing 421 is installed at the bottom of the rotating base 417 and the stirring base 415. A drive head 412 that cooperates with the bushing 421 is installed at the top of the drive shaft 419. The drive motor drives the drive shaft 419 through a bevel gear.

[0041] The dual-head motor 420 drives two sets of transmission shafts 419 to rotate, thereby causing the transmission head 412 to drive the rotating base 417 and the stirring base 415 to rotate. The transmission head 412 is slidably connected to the bushing 421, which facilitates quick installation of the equipment.

[0042] Furthermore, a limiting protrusion 414 is provided at the bottom center of the drive base 403 to limit the rotation angle of the cleaning box 402.

[0043] The rotation angle of the cleaning box 402 is limited by the limiting protrusion 414, thereby preventing the cleaning box 402 from tilting too much and causing the cleaning liquid inside the cleaning box 402 to spill out, thus improving the stability of the cleaning process.

[0044] Furthermore, the top of the cleaning box 402 is provided with an interference-connected spill cover 404.

[0045] The 404 anti-overflow cap further reduces the impact of centrifugal force on the cleaning fluid during use, preventing the cleaning fluid from being thrown out under the action of centrifugal force, thereby improving the stability of the equipment.

[0046] Furthermore, the center of the spill cover 404 is provided with an insertion hole 407, which has a conical structure.

[0047] An insertion hole 407 is provided on the spill cover 404 to facilitate the insertion of the electrode rod 201 into the cleaning box 402 for cleaning. The conical structure reduces the probability of cleaning agent spillage and also facilitates the insertion of the electrode rod 201.

[0048] When using this device, first install the detection pen 2 and the electrical comprehensive tester 1. After the soil resistance test around the track is completed, if it is necessary to clean the detection pen 2, first flip the drive base 403 outward from the fixed cover 401 via the damping shaft 413 so that the top opening of the cleaning box 402 faces outward. If the special cleaning fluid in the cleaning chamber 409 of the cleaning box 402 is insufficient, add an appropriate amount. Then, accurately place the cleaning box 402 by matching the bottom with the positioning groove 406 on the upper end face of the drive base 403, and fix it with the magnet 422. Ensure that the bushing 421 at the bottom of the cleaning box 402 is connected to the transmission head 412 at the top of the transmission shaft 419 on the upper end face of the drive base 403, and that the limiting protrusion 414 prevents the cleaning fluid from spilling due to excessive angle. Then, start the dual-head motor 420 inside the drive base 403. The dual-head motor 420 drives the transmission shaft 419 to rotate via bevel gears, which in turn drives the stirring base 415 and stirring blade 416 in the cleaning chamber 409 and the rotating base 417 and sponge column 418 in the wiping chamber 410 to rotate. At this time, the electrode rod 201 of the detection pen 2 is inserted into the cleaning chamber 409 through the conical insertion hole 407 in the center of the anti-overflow cover 404. The electrode rod 201 is cleaned by the stirring blade 416 driving the cleaning liquid to rotate. After cleaning, the electrode rod 201 is pulled out from the cleaning chamber 409 and then inserted into the central through hole of the sponge column 418 in the wiping chamber 410. The rotating sponge column 418 wipes the cleaning liquid off the surface of the electrode rod 201. At the same time, the cleaning liquid in the sponge column 418 is separated under the action of centrifugal force. The cleaning is performed once for each soil test to improve the detection accuracy.

[0049] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A multifunctional electrical comprehensive testing device for subway engineering, comprising an electrical comprehensive testing instrument (1) and a testing pen (2), characterized in that: The electrical comprehensive tester (1) is provided with a cleaning mechanism (4) on its side end face. The electrical comprehensive testing instrument (1) is provided with a display screen (3) on its upper surface. The testing pen (2) is detachably installed on the electrical comprehensive testing instrument (1). The testing pen (2) includes a pen barrel (202) and an electrode rod (201). The cleaning mechanism (4) includes a fixed cover (401), a cleaning box (402), and a drive base (403). The fixed cover (401) is fixedly installed on the side surface of the electrical comprehensive testing instrument (1). The drive base (403) is movably installed on the fixed cover (401) to drive the cleaning box (402). The cleaning box (402) is detachably installed on the upper end of the drive base (403) to clean the testing pen (2).

2. The multifunctional electrical integrated testing device for subway engineering according to claim 1, characterized in that: The side end face of the fixed cover (401) is provided with a shaft hole (405), and the bottom of the side end face of the drive base (403) is provided with a damping shaft (413) that is rotatably connected to the shaft hole (405). The drive base (403) and the fixed cover (401) are rotatably connected through the damping shaft (413) and the shaft hole (405).

3. The multifunctional electrical integrated testing device for subway engineering according to claim 1, characterized in that: The upper surface of the drive base (403) is provided with a positioning groove (406) that mates with the bottom of the cleaning box (402). The upper surface of the positioning groove (406) and the bottom of the cleaning box (402) are provided with magnets (422) that engage with each other.

4. The multifunctional electrical integrated testing device for subway engineering according to claim 1, characterized in that: The cleaning box (402) is provided with a partition (408) inside, and the cleaning box (402) is divided into a cleaning chamber (409) and a wiping chamber (410) by the partition (408).

5. The multifunctional electrical integrated testing device for subway engineering according to claim 4, characterized in that: The bottom of the cleaning chamber (409) is provided with a rotating stirring base (415), and the upper surface of the stirring base (415) is provided with stirring blades (416).

6. The multifunctional electrical integrated testing device for subway engineering according to claim 5, characterized in that: The bottom of the wiping chamber (410) is provided with a rotating base (417), and a sponge column (418) is fixedly installed on the upper end surface of the rotating base (417). The center of the sponge column (418) is provided with a through hole that penetrates the top and bottom surfaces.

7. The multifunctional electrical integrated testing device for subway engineering according to claim 6, characterized in that: The drive base (403) is equipped with a dual-head motor (420), and the upper end face of the drive base (403) is equipped with a rotatably connected transmission shaft (419). The bottom of the rotating base (417) and the stirring base (415) are equipped with bushings (421), and the top of the transmission shaft (419) is equipped with a transmission head (412) that cooperates with the bushing (421). The drive motor drives the transmission shaft (419) through a bevel gear.

8. The multifunctional electrical integrated testing device for subway engineering according to claim 1, characterized in that: The bottom center of the drive base (403) is provided with a limiting protrusion (414) to limit the rotation angle of the cleaning box (402).

9. The multifunctional electrical integrated testing device for subway engineering according to claim 1, characterized in that: The top of the cleaning box (402) is provided with an interference-connected spill cover (404).

10. The multifunctional electrical integrated testing device for subway engineering according to claim 9, characterized in that: The overflow cover (404) has a socket (407) at its center, and the socket (407) has a conical structure.

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