Insulating stool bearing capacity test device

Abstract

The utility model discloses an insulating stool bearing capacity testing device, relates to the field of insulating stool testing, and provides the following scheme aiming at the problems that the efficiency of the existing testing device is low, the waste of manpower and material resources is serious, and the accuracy of a test judgment result is possibly influenced: the insulating stool bearing capacity testing device comprises a test box and an insulating stool body, a mounting door is arranged on the test box, a limiting plate is arranged on the inner side of the test box, a fixing plate is arranged on the inner side of the mounting door, a spring is arranged on the outer side of the fixing plate, the fixing plate and the limiting plate fix the insulating stool body, and an adjustable test mechanism is arranged at the top of the inner side of the test box and comprises a digital display drawing tester and a digital display pressurizing device. And the digital display pressurizing device is arranged above the digital display drawing tester. According to the specifications and sizes of different insulating stools, space adjustment clamping is carried out, and the tool has the advantages of being high in universality, light, fast, suitable for customer sites and laboratories, easy to operate and accurate in reading.

Description

Technical Field

[0001] The utility model relates to the technical field of insulating stool testing, in particular to an insulating stool bearing capacity testing device. Background Art

[0002] At present, when testing the load-bearing capacity of insulating stools, the testing institutions of electric safety tools and equipment manually carry weights to the samples. According to the standard, the load-bearing capacity is 1765N, and the weight of each weight is 10kg. According to this standard, a total of 18 weights need to be carried for a single test of the insulating stool sample. Therefore, the test efficiency is low, the waste of manpower and material resources is relatively heavy, and it may also affect the accuracy of the test results.

[0003] Therefore, the existing tests have the following shortcomings: At present, the insulation bench tests of testing institutions all use the weight static pressure method, which has slow test efficiency, large test errors and misjudgment of results, and high reliance on human labor. Especially for samples placed in the high-voltage room upstairs, they also face the problem of moving them downstairs for testing. Utility Model Content

[0004] The utility model provides an insulating stool bearing capacity testing device, which solves the existing problems.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A bearing capacity testing device for an insulating stool comprises a test box and an insulating stool body, wherein the test box is provided with an installation door, a limit plate is provided on the inner side of the test box, a fixed plate is provided on the inner side of the installation door, a spring is provided on the outer side of the fixed plate, the fixed plate and the limit plate are used to fix the insulating stool body, an adjustable testing mechanism is provided on the inner top of the test box, the testing mechanism comprises a digital pull-out tester and a digital pressurizing device, and the digital pressurizing device is provided above the digital pull-out tester.

[0007] Preferably, a support base is provided at the bottom of the test box.

[0008] Preferably, one side of the installation door is folded on the test box, a lock buckle is provided on the other side of the installation door, a lock opening is provided on one side of the test box, and the lock buckle is connected to the lock opening.

[0009] Preferably, threaded openings are provided on both sides of the test box, sliding openings are provided on both sides of the threaded openings, threaded rods are provided on the threaded openings, and the threaded rods are threadedly connected to the threaded openings.

[0010] Preferably, a bayonet is provided on the outer side of the limiting plate, a latch is provided on the threaded rod, and the latch is connected to the bayonet.

[0011] Preferably, sliding rods are provided on both sides of the bayonet, and the sliding rods slide on the sliding rods.

[0012] Preferably, rubber bands are provided on both sides of the digital pull-out tester, and slide grooves are provided on both sides of the top of the test box.

[0013] Preferably, a sliding member is provided at the end of the rubber band rope, the sliding member slides on the sliding groove, and a pull rod is provided on the sliding member.

[0014] Preferably, a slider is provided on the digital display pressurizing device, an electric guide rail is provided on the test box, the slider slides in the electric guide rail, and a camera is provided inside the test box.

[0015] Preferably, a hydraulic cylinder is provided between the upper end of the insulating stool body and the test box, and the hydraulic cylinder is connected to an external digital loading device through an oil pipe, the digital loading device is connected in a hydraulic arm shaking manner, and a pressure digital display screen is provided at the front end of the digital loading device.

[0016] The beneficial effects of the utility model are:

[0017] 1. The device rotates in the threaded mouth through the threaded rod, the bolt rotates in the bayonet, and the sliding rods on both sides slide on the sliding mouth, which drives the limit plates to adjust so that the limit plates on both sides correspond to the width of the insulating stool. According to the specifications and sizes of different insulating stools, the space is adjusted and clamped, which has strong versatility.

[0018] 2. The device is equipped with a portable hydraulic loading device, which is light and fast, suitable for customer sites and laboratories, simple to operate and accurate in reading.

[0019] 3. The device pulls the sliding part to slide on the slide groove through the pull rod, so that the inner rubber rope drives the digital display pull-out tester to adjust it so that it is in the center of the insulating bench pedal. The position of the digital display pressurizing device is adjusted through the electric guide rail to facilitate alignment with the digital display pull-out tester, that is, to carry out the test.

[0020] In summary, the device can adjust the space and clamp according to the specifications and sizes of different insulating stools. It has strong versatility, is light and fast, suitable for customer sites and laboratories, is easy to operate, and has accurate readings. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the main structure of Example 1 of the utility model.

[0022] Figure 2 This is a schematic diagram of the test box structure of the utility model.

[0023] Figure 3 It is a schematic diagram of the limit plate structure of the utility model.

[0024] Figure 4 It is a structural schematic diagram of the digital display pulling tester of the utility model.

[0025] Figure 5 It is a structural schematic diagram of the digital display pressurizing device of the utility model.

[0026] Figure 6 This is a schematic diagram of the structure of the second embodiment of the present utility model.

[0027] Numbers in the figure: 1. Test box; 11. Insulating bench body; 12. Support seat; 13. Threaded mouth; 14. Sliding mouth; 2. Mounting door; 21. Lock; 22. Lock mouth; 23. Fixed plate; 24. Spring; 3. Limit plate; 31. Bayonet; 32. Sliding rod; 33. Threaded rod; 34. Bolt; 4. Digital pull-out tester; 41. Rubber band; 42. Sliding part; 43. Pull rod; 44. Slide; 5. Digital pressurizing device; 51. Sliding block; 52. Electric guide rail; 53. Camera; 6. Hydraulic cylinder; 7. Oil pipe; 8. Digital loading device. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0029] Embodiment 1

[0030] Reference Figure 1-Figure 5 A device for testing the bearing capacity of an insulating stool comprises a test box 1 and an insulating stool body 11. The insulating stool body 11 is the insulating stool. The test box 1 is the main structure of the device, and multiple structures are installed inside the test box 1 for placing and testing the insulating stool. A support seat 12 is provided at the bottom of the test box 1. The support seat 12 is the bottom structure of the device and is used to support the entire device. An installation door 2 is provided on the test box 1. One side of the installation door 2 is folded on the test box 1, that is, the bottom of the test box 1 is opened and closed. A lock buckle 21 is provided on the other side of the installation door 2. A lock port 22 is provided on one side of the test box 1. The lock port 22 is connected by the lock buckle 21 to close the bottom of the test box 1.

[0031] The fixing plate 23 is arranged on the inner side of the installation door 2, and a spring 24 is arranged on the outer side of the fixing plate 23, that is, the fixing plate 23 is pushed by the spring 24 to push the front side of the insulating stool so that its rear side is attached to the inside of the test box 1, threaded openings 13 are arranged on both sides of the test box 1, and sliding openings 14 are arranged on both sides of the threaded openings 13, and threaded rods 33 are arranged on the threaded openings 13, and the threaded rods 33 are threadedly connected with the threaded openings 13, and a limiting plate 3 is arranged on the inner side of the test box 1, and a bayonet 31 is arranged on the outer side of the limiting plate 3, and a bolt 34 is arranged on the threaded rod 33, and the bolt 34 is connected to the bayonet 31, that is, the bolt 34 is stuck in the bayonet 31 and rotates, and sliding rods 32 are arranged on both sides of the bayonet 31, and the threaded rod 33 is rotated in the threaded opening 13, and the bolt 34 rotates in the bayonet 31, and the sliding rods 32 on both sides slide on the sliding openings 14, that is, the limiting plate 3 is driven to be adjusted, so that the limiting plates 3 on both sides correspond to the width of the insulating stool and limit it.

[0032] An adjustable testing mechanism is arranged on the top of the inner side of the test box 1, and the testing mechanism includes a digital display pull-out tester 4 and a digital display pressurizing device 5. The digital display pressurizing device 5 is arranged above the digital display pull-out tester 4. Rubber bands 41 are arranged on both sides of the digital display pull-out tester 4. Slide grooves 44 are arranged on both sides of the top of the test box 1. Sliders 42 are arranged at the ends of the rubber bands 41. The sliders 42 slide on the slide grooves 44. The sliders 42 are provided with pull rods 43, that is, the sliders 42 are pulled by the pull rods 43 to slide on the slide grooves 44, so that the inner rubber bands 41 are The tendon rope 41 drives the digital display pull-out tester 4 to adjust so that it is located in the center of the insulating bench pedal. A slider 51 is provided on the digital display pressurizing device 5, and an electric guide rail 52 is provided on the test box 1. The slider 51 slides in the electric guide rail 52, that is, the position of the digital display pressurizing device 5 is adjusted through the electric guide rail 52, so as to facilitate alignment of the digital display pull-out tester 4, that is, pressure testing is performed through the digital display pressurizing device 5. A camera 53 is provided on the inside of the test box 1, and the test effect can be monitored more accurately through the camera 53.

[0033] In this embodiment, first, the customized portable test device is placed statically on a clean and flat ground, the insulating stool is placed in the portable test device frame and kept flat and upright, the fixing plate 23 is pushed by the spring 24, and the front of the insulating stool is pushed so that its back side is attached to the inside of the test box 1, and the threaded rod 33 is rotated in the threaded mouth 13, the bolt 34 is rotated in the bayonet 31, and the sliding bars 32 on both sides slide on the sliding mouth 14, that is, the limit plate 3 is driven to adjust so that the limit plates 3 on both sides correspond to the width of the insulating stool and limit it, and the sliding member 42 is pulled by the pull rod 43 to slide on the slide groove 44, so that the inner rubber rope 41 drives the digital display pull-out tester 4 to adjust so that it is in the center of the insulating stool pedal, and the position of the digital display pressurizing device 5 is adjusted by the electric guide rail 52, so as to facilitate alignment with the digital display pull-out tester 4, and the pressure value is displayed while the digital display pressurizing device 5 is pressurized to perform a bearing capacity test on the insulating stool.

[0034] Embodiment 2

[0035] like Figure 6 As shown, the difference from the first embodiment is that: a hydraulic cylinder 6 is arranged between the upper end of the insulating stool body 11 and the test box 1, and the hydraulic cylinder 6 is connected to the external digital display loading device 8 through the oil pipe 7, the loading device has a real-time force value display function, which allows the operator to observe the force value loading change, the digital display loading device 8 is connected in an oil pressure arm shaking mode, and the front end of the digital display loading device 8 has a pressure digital display screen. Since the digital display loading device 8 is an external form, it is light and fast, suitable for customer sites and laboratories, simple to operate, and accurate in reading; the loading device adopts an oil pressure arm shaking mode, which is light and fast and avoids impact loading.

[0036] Connect the oil outlet of the digital loading device 8 to the oil pump port of the sensor with the oil pipe 7, turn on the switch button of the digital loading device 8, the display screen shows the current value, adjust the unit of the digital loading device 8 to "kN", slowly and evenly shake the loading arm, and pay attention to the state of the sample insulation bench and the current real-time force value on the digital display screen, until the test force value is ≥1.8kN, stabilize the current pressure value, and press the countdown button to start the load holding time. After 5 minutes of load holding, there is no permanent deformation and damage to the sample, and the sample is judged to be qualified.

[0037] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An insulating stool bearing capacity test device, comprising a test box (1) and an insulating stool body (11), characterized in that: The test box (1) is provided with an installation door (2), a limit plate (3) is provided inside the test box (1), a fixing plate (23) is provided inside the installation door (2), a spring (24) is provided outside the fixing plate (23), the fixing plate (23) and the limit plate (3) fix the insulating stool body (11), and an adjustable testing mechanism is provided at the top inside the test box (1), the testing mechanism comprises a digital pull-out tester (4) and a digital pressurizing device (5), and the digital pressurizing device (5) is provided above the digital pull-out tester (4).

2. The insulating stool bearing capacity test device according to claim 1, characterized in that: A support seat (12) is provided at the bottom of the test box (1).

3. The insulating stool bearing capacity test device according to claim 1, characterized in that: One side of the installation door (2) is folded on the test box (1), the other side of the installation door (2) is provided with a lock buckle (21), one side of the test box (1) is provided with a lock opening (22), and the lock buckle (21) is connected to the lock opening (22).

4. The insulating stool bearing capacity test device according to claim 1, characterized in that: The test box (1) is provided with threaded openings (13) on both sides, and sliding openings (14) are provided on both sides of the threaded opening (13). A threaded rod (33) is provided on the threaded opening (13), and the threaded rod (33) is threadedly connected to the threaded opening (13).

5. The insulating stool bearing capacity test device according to claim 4, characterized in that: A bayonet (31) is arranged on the outer side of the limiting plate (3), a latch (34) is arranged on the threaded rod (33), and the latch (34) is connected to the bayonet (31).

6. The insulating stool bearing capacity test device according to claim 5, characterized in that: Sliding rods (32) are arranged on both sides of the bayonet (31), and the sliding rods (32) slide on the sliding mouth (14).

7. The insulating stool bearing capacity test device according to claim 1, characterized in that: The digital pull-out tester (4) is provided with rubber band ropes (41) on both sides, and the top of the test box (1) is provided with slide grooves (44) on both sides.

8. The insulating stool bearing capacity test device according to claim 7, characterized in that: A sliding member (42) is provided at the end of the rubber band rope (41), the sliding member (42) slides on the sliding groove (44), and a pull rod (43) is provided on the sliding member (42).

9. The insulating stool bearing capacity test device according to claim 1, characterized in that: The digital display pressurizing device (5) is provided with a slider (51), the test box (1) is provided with an electric guide rail (52), the slider (51) slides in the electric guide rail (52), and a camera (53) is provided inside the test box (1).

10. The insulating stool bearing capacity test device according to claim 1, characterized in that: A hydraulic cylinder (6) is provided between the upper end of the insulating stool body (11) and the test box (1), and the hydraulic cylinder (6) is connected to an external digital loading device (8) via an oil pipe (7). The digital loading device (8) is connected in an oil pressure arm shaking manner, and a pressure digital display screen is provided at the front end of the digital loading device (8).

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