CN217304603U - Test device for stretching of explosion-proof electrical equipment introduction device - Google Patents
Test device for stretching of explosion-proof electrical equipment introduction device Download PDFInfo
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- CN217304603U CN217304603U CN202220615597.0U CN202220615597U CN217304603U CN 217304603 U CN217304603 U CN 217304603U CN 202220615597 U CN202220615597 U CN 202220615597U CN 217304603 U CN217304603 U CN 217304603U
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- 238000012360 testing method Methods 0.000 title claims description 26
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 35
- 239000010959 steel Substances 0.000 claims abstract description 35
- 238000006073 displacement reaction Methods 0.000 claims abstract description 14
- 238000005192 partition Methods 0.000 claims description 30
- 238000009864 tensile test Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 6
- 230000008901 benefit Effects 0.000 description 3
- 239000003822 epoxy resin Substances 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses a be used for tensile test device of explosion-proof electrical equipment introducing device, include: a support; the movable platform is arranged in the bracket in a transversely sliding manner; one end of the base is hinged with the movable platform; one end of the first lead screw is freely and rotatably arranged on the base, and the other end of the first lead screw is rotatably hinged with the other end of the base in an angle-adjustable manner; the tension sensor is arranged on the upper part of the base, and one end of the tension sensor is connected with the core rod or the cable; the displacement device is rotatably and slidably arranged at the upper end of the bracket; the first fixed pulley is rotatably arranged at the upper end of the bracket; one end of the steel wire rope is connected with the other end of the tension sensor, the other end of the steel wire rope is connected with the weight tray, and the steel wire rope penetrates through the displacement device and the first fixed pulley. The utility model has the characteristics of the precision is high, stability is good.
Description
Technical Field
The utility model relates to an explosion-proof electrical apparatus technical field, more specifically, the utility model relates to a be used for tensile test device of explosion-proof electrical equipment introducing device.
Background
Explosion-proof electrical equipment works in an explosive environment, the danger of explosion exists when the electrical equipment breaks down, and when the electrical equipment breaks down, if the lead-in device cannot clamp the cable, the cable can be loosened; meanwhile, for the explosion-proof electrical equipment, the gap between the explosion-proof joint surface between the cable and the lead-in device is enlarged, and the explosion-proof structure of the explosion-proof electrical equipment is damaged; for safety-increasing electrical equipment, if the cable cannot be clamped by the lead-in device, the cable can be loosened, so that the electrical clearance and creepage distance in the safety-increasing electrical equipment are changed, and the explosion-proof structure of the safety-increasing electrical equipment is damaged; for the positive voltage type electrical equipment, the positive voltage type electrical equipment cannot maintain the internal pressure, and the explosion-proof type of the positive voltage type electrical equipment can be damaged.
When the explosion-proof type of the electrical equipment is damaged, once the interior of the electrical equipment explodes, the electrical equipment becomes an ignition element in an explosive environment, which causes harm to people and economic loss.
Accordingly, there is a need to develop a test device that can be used to perform a clamping test on an introducer device.
SUMMERY OF THE UTILITY MODEL
The utility model relates to a developed a test device that is used for explosion-proof electrical equipment introducing device tensile, through the check-up of force sensor and percentage table realization pulling force and displacement, through the base that position, angle homoenergetic changed simultaneously, realized that the pulling force direction remains unanimous with introducing device export direction all the time, assurance test's accuracy.
The utility model provides a technical scheme does:
a test device for the tension of an explosion-proof electrical equipment introduction device comprises:
a support; and
the moving platform is transversely and slidably arranged in the bracket;
the base is connected with the mobile platform in an angle-adjustable manner;
the tension sensor is arranged on the upper part of the base, and one end of the tension sensor is connected with the core rod or the cable;
the displacement device is rotatably and slidably arranged at the upper end of the bracket;
the first fixed pulley is rotatably arranged at the upper end of the bracket;
one end of the steel wire rope is connected with the other end of the tension sensor, the other end of the steel wire rope is connected with the weight tray, and the steel wire rope penetrates through the displacement device and the first fixed pulley;
wherein, a fixing device is arranged between the tension sensor and the base.
Preferably, the method further comprises the following steps:
a base fixed inside the bracket.
Preferably, the mobile platform includes:
a lower partition fixed on the base;
the upper partition plate is correspondingly arranged at the upper part of the lower partition plate;
the first screw rod is arranged between the upper partition plate and the lower partition plate and is used for driving the upper partition plate and the lower partition plate to slide;
and the moving handle is connected with the first lead screw.
Preferably, one end of the base is hinged to the moving platform.
Preferably, the method further comprises:
and one end of the second lead screw is freely and rotatably arranged on the upper partition plate, and the other end of the second lead screw is rotatably hinged with the other end of the base in an angle-adjustable manner.
Preferably, the upper end of the bracket is provided with a first groove and a second groove, the first fixed pulley is arranged in the second groove, and the steel wire rope passes through the first groove and the second groove.
Preferably, the displacement device comprises:
the second fixed pulley is rotatably arranged in the first groove and can slide in the first groove;
and the dial and the second fixed pulley are of an integral structure.
Preferably, the method further comprises the following steps:
the retainer ring is arranged on the outer side of the weight tray;
and the jack is arranged at the lower part of the weight tray.
Preferably, the method further comprises the following steps:
a steel plate disposed on a side of the bracket opposite the weight tray;
a plurality of adjustable fixed pulleys which are arranged on the steel plate at equal intervals;
wherein, one end of the steel wire rope selectively passes through the plurality of adjustable fixed pulleys to be connected with the leading-in device.
Beneficial effect:
the utility model provides a be used for tensile test device of explosion-proof electrical equipment introducing device, realize the check-up of pulling force and displacement through force transducer and percentage table, simultaneously through the position, the base that the angle homoenergetic changed, it keeps unanimous with introducing device export direction all the time to realize the pulling force direction, simultaneously through position adjustable fixed pulley, when introducing device can not install on moving platform because of dismantling the difficulty, can change the direction of pulling force, directly test on the sample, the device has simple structure, high operation convenience, high precision, the pulling force can be kept invariable, good stability, advantages such as application range is wide.
Drawings
Fig. 1 is a schematic structural view of one side of the test device for drawing the explosion-proof electrical equipment introducing device of the present invention.
Fig. 2 is another schematic side structure diagram of the testing device for drawing the explosion-proof electrical equipment introducing device of the present invention.
Fig. 3 is a schematic view of the assembly structure of the base and the mobile platform of the present invention.
Fig. 4 is a schematic view of an assembly structure of the second lead screw of the present invention.
Fig. 5 is a schematic view of the assembly structure of the adjustable fixed pulley of the present invention.
Detailed Description
The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.
As shown in fig. 1 and fig. 2, the utility model provides a tensile test device for explosion-proof electrical equipment introducing device, include:
The bracket 110 is of a frame structure, and a first groove and a second groove are arranged at the upper end of the bracket 110; the base 120 is disposed inside the bottom of the bracket 110.
As shown in fig. 3, the mobile platform includes: a lower partition plate 131, an upper partition plate 132, a first lead screw 133 and a moving handle 134, wherein the lower partition plate 131 is fixed on the base 120; the upper partition 132 is correspondingly arranged on the upper part of the lower partition 131, and the length of the upper partition 132 is smaller than that of the lower partition 131; the first lead screw 133 is rotatably arranged between the upper partition 132 and the lower partition 131 and is used for driving the upper partition 132 to slide on the lower partition 131; the moving handle 134 is vertically connected to the first lead screw 133, and is used for rotating the first lead screw 133.
As shown in fig. 4, one end of the base 140 is hinged to the upper partition 132, and meanwhile, one end of the second lead screw 141 is freely rotatably disposed on the upper partition 132, and the other end is rotatably hinged to the other end of the base 140.
In this embodiment, one end of the base 140 is connected to the upper partition 132 by a hinge.
The tension sensor 150 is disposed on the upper portion of the base 140 for measuring the tension, and a fixing device is disposed at the bottom end of the tension sensor 150 for connecting with a mandrel or a cable.
The first fixed pulley 171 is disposed in the second groove.
The displacement device 172 includes: the second fixed pulley is rotatably arranged in the first groove, and the second fixed pulley can slide in the first groove; the dial and the second fixed pulley are bonded and fastened into a whole through epoxy resin, one end of a steel wire rope 160 is connected with the other end of the tension sensor 150, the other end of the steel wire rope is connected with a weight plate 191, the steel wire rope 160 penetrates through the first groove, then is in friction contact with the second fixed pulley, then penetrates through the second groove after being in friction contact with the first fixed pulley 171, the weight plate 191 is arranged on the outer side of the support 110, the tension direction is changed through the first fixed pulley and the second fixed pulley, and the tension direction of the steel wire rope 160 above the mobile platform is parallel to the direction of the steel wire rope 160 on the weight plate 191.
The tension sensor 150 and the cable or the core rod are in the same straight line, the tension sensor 150 is connected with the core rod through threads, and the tension sensor 150 and the cable are connected with a clamping assembly through threads to achieve connection with the cable.
In this embodiment, the upper portion of the base 140 is provided with four grooves for mounting a fixing device.
A plurality of retaining rings 192 can be arranged on the outer side of the weight tray 191 to play a protection role, and a jack 193 is arranged at the bottom of the weight tray 191.
In this embodiment, the number of the retainers 192 is 2.
As shown in fig. 5, the steel plate 181 is provided with a groove, a bolt is inserted into the groove to fix the steel plate 181 on the other side of the bracket relative to the weight plate, and 4 adjustable pulleys 182 are provided on the steel plate 181 at equal intervals by bolts.
When the introduction device cannot be mounted on the mobile platform, the clamping can be done directly on the sample using the adjustable fixed pulley 182 at the left end of the support 110.
The utility model discloses a working process does:
the first lead screw is rotated by rotating the movable handle, the movable platform can realize the movement of the front position and the rear position, the movable platform is provided with a second lead screw with an adjustable inclination angle, the second lead screw is connected with the movable platform by a hinge, the inclination angle of the lead screw is changed by rotating, the inclination angle of the base can be changed by matching with the change of the position of a bolt, the requirement that the leading-in device is vertical to the pulling force is realized, the surfaces of grooves of the first fixed pulley and the second fixed pulley are rough, the steel wire rope drives the first fixed pulley and the second fixed pulley to rotate by friction force, the steel wire rope displacement can be measured by integrally arranging a dial which is fixedly integrated with the second fixed pulley by epoxy resin bonding, the sliding arrangement of the second fixed pulley can change the pulling force direction (the steel wire rope on the second fixed pulley is vertical to the steel wire rope on one side of the weight tray, and the direction can be changed within the range of less than 90 degrees), the other end of the steel wire rope is connected with the weight tray, the change of the tension can be realized by changing the number of the weights, and the specific tension is provided by the tension sensor; when the test is not started, the weight tray is supported by the jack, and the retaining ring on the periphery of the weight tray plays a role in protection; the test sample is fixed on the fixing device, the lead-in device for the test is connected with the tension sensor, the specified weight is applied during the test, the reading is based on the numerical value of the tension sensor, and the test result is judged by the numerical value of the rotation of the dial; when the electrical equipment that is being tested is too big, or the leading-in device can't be dismantled, when can not fix on the base on moving platform, use the left adjustable fixed pulley of support, just can directly test the sample, adjustable fixed pulley has 4, 4 adjustable fixed pulley equidistance are fixed on the steel sheet, there is the slot on the left of the support, the steel sheet uses the bolt fastening on the support, through the elasticity nut, just can realize the reciprocating and fixed of steel sheet on the slot, along with the change of fixed pulley position, the direction of pulling force just can realize changing, through the height change direction of adjusting adjustable fixed pulley, thereby can keep wire rope and different height, the introduction mouth of different orientation is on same straight line, just can accomplish not change tensile size.
The lead-in device is fixed on a clamping tester, the core rod is connected with a tension sensor, the tension sensor is connected with an electronic scale, the tension applied to the core rod according to the explosion-proof regulation requirement (weights are gradually added on a weight disk) is displayed by the electronic scale, the displacement of the core rod is read by a dial indicator, and therefore whether the lead-in device is qualified or not is verified.
The utility model discloses a debugging process does:
1. starting the tension sensor, and adjusting the tension sensor;
2. fixing the assembled leading-in device on a movable platform of a clamping testing machine by using a pressing plate;
3. connecting a steel wire rope, connecting a tension sensor with the core rod, and connecting the output end of the sensor to the input port of the electronic scale;
4. adjusting the movable platform to enable the axis of the core rod of the leading-in device to be basically coincident with the axis of the tensile force of the steel wire rope;
5. the length of the steel wire rope and the top column of the hydraulic jack are adjusted, so that the bottom of the weight plate is 10mm away from the top of the column.
The utility model provides a be used for tensile test device of explosion-proof electrical equipment introducing device, this equipment has simple structure, convenient operation, and the precision is high, and the pulling force can maintain invariable, and stability is good, advantages such as application range is wide.
While the embodiments of the invention have been described above, it is not intended to be limited to the details shown, particular embodiments, but rather to those skilled in the art, having the benefit of the teachings of the present invention, which is capable of numerous modifications and alternative forms, and will be readily apparent to those skilled in the art, and it is not intended to limit the invention to the details shown and described without departing from the general concepts defined by the appended claims and their equivalents.
Claims (9)
1. A test device for the tension of an explosion-proof electrical equipment introduction device is characterized by comprising:
a support; and
the moving platform is transversely and slidably arranged in the bracket;
the base is connected with the mobile platform in an angle-adjustable manner;
the tension sensor is arranged on the upper part of the base, and one end of the tension sensor is connected with the core rod or the cable;
the displacement device is rotatably and slidably arranged at the upper end of the bracket;
the first fixed pulley is rotatably arranged at the upper end of the bracket;
one end of the steel wire rope is connected with the other end of the tension sensor, the other end of the steel wire rope is connected with the weight tray, and the steel wire rope penetrates through the displacement device and the first fixed pulley;
wherein, a fixing device is arranged between the tension sensor and the base.
2. The test device for the tension of an explosion-proof electrical equipment introduction device according to claim 1, further comprising:
a base fixed inside the bracket.
3. The test device for the tension of the explosion-proof electrical equipment introduction device according to claim 2, wherein the moving platform comprises:
a lower partition fixed on the base;
the upper partition plate is correspondingly arranged at the upper part of the lower partition plate;
the first screw rod is arranged between the upper partition plate and the lower partition plate and is used for driving the upper partition plate and the lower partition plate to slide;
and the moving handle is connected with the first lead screw.
4. The tension test device for the explosion-proof electrical equipment introduction device according to claim 3, wherein one end of the base is hinged to the moving platform.
5. The test device for the tension of the explosion-proof electrical equipment introduction device according to claim 4, further comprising:
and one end of the second lead screw is freely and rotatably arranged on the upper partition plate, and the other end of the second lead screw is rotatably hinged with the other end of the base in an angle-adjustable manner.
6. The test device for the tension of the explosion-proof electrical equipment introduction device according to claim 5, wherein the bracket is provided at an upper end thereof with a first groove and a second groove, the first fixed pulley is disposed in the second groove, and the wire rope passes through the first groove and the second groove.
7. The test device for the tension of an explosion-proof electrical equipment introduction device according to claim 6, wherein the displacement device comprises:
the second fixed pulley is rotatably arranged in the first groove and can slide in the first groove;
and the dial and the second fixed pulley are of an integral structure.
8. The test device for the tension of an explosion-proof electrical equipment introduction apparatus according to claim 7, further comprising:
the retainer ring is arranged on the outer side of the weight tray;
and the jack is arranged at the lower part of the weight tray.
9. The test device for the tension of an explosion-proof electrical equipment introduction device according to claim 8, further comprising:
a steel plate disposed on a side of the bracket opposite the weight tray;
a plurality of adjustable fixed pulleys which are arranged on the steel plate at equal intervals;
wherein, one end of the steel wire rope selectively passes through the plurality of adjustable fixed pulleys to be connected with the leading-in device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220615597.0U CN217304603U (en) | 2022-03-21 | 2022-03-21 | Test device for stretching of explosion-proof electrical equipment introduction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220615597.0U CN217304603U (en) | 2022-03-21 | 2022-03-21 | Test device for stretching of explosion-proof electrical equipment introduction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217304603U true CN217304603U (en) | 2022-08-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220615597.0U Active CN217304603U (en) | 2022-03-21 | 2022-03-21 | Test device for stretching of explosion-proof electrical equipment introduction device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217304603U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116164887A (en) * | 2022-12-21 | 2023-05-26 | 上海煤科检测技术有限公司 | Clamping and sealing test equipment for introducing device of explosion-proof electrical equipment |
-
2022
- 2022-03-21 CN CN202220615597.0U patent/CN217304603U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116164887A (en) * | 2022-12-21 | 2023-05-26 | 上海煤科检测技术有限公司 | Clamping and sealing test equipment for introducing device of explosion-proof electrical equipment |
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