CN203561556U - Mechanical static load property detecting platform of low-temperature measuring box - Google Patents
Mechanical static load property detecting platform of low-temperature measuring box Download PDFInfo
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- CN203561556U CN203561556U CN201320724926.6U CN201320724926U CN203561556U CN 203561556 U CN203561556 U CN 203561556U CN 201320724926 U CN201320724926 U CN 201320724926U CN 203561556 U CN203561556 U CN 203561556U
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- metering box
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- 238000009792 diffusion process Methods 0.000 claims description 3
- 238000012360 testing method Methods 0.000 abstract description 33
- 239000002184 metal Substances 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 238000011056 performance test Methods 0.000 description 3
- 230000035882 stress Effects 0.000 description 3
- 238000012795 verification Methods 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000007476 Maximum Likelihood Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model provides a mechanical static load property detecting platform of a low-temperature measuring box. The mechanical static load property detecting platform comprises a main fixed platform, static load force applying equipment and a spiral pulley structure, wherein the main fixed platform comprises a rectangular flat plate which is parallel to the ground as well as baffles, supports, push rods and sliding shafts, and the baffles, the supports, the push rods and the sliding shafts are arranged on the flat plate; the two sides of the low-temperature measuring box are respectively provided with the baffles, and the outer sides of the baffles are provided with the sliding shafts; the supports are provided with the sliding shafts which are perpendicular to the ground, one ends of the push rods are connected to the sliding shafts arranged on the supports, and the other ends of the push rods are close to the low-temperature measuring box; the static load force applying equipment comprises a tensile machine, the spiral pulley structure comprises a spiral guide rod device and a pulley, one end of the tensile machine is connected with the spiral guide rod device by virtue of a soft cable of the pulley, and the shifting control tensile machine of the spiral guide rod device is used for carrying out force applying on the different positions and directions of the low-temperature measuring box. The detecting platform provided by the utility model has the advantage of finishing the stiffness test, the static load test, the torsion test, the metal insert test, the door and mounting plate property test and the like of the low-temperature measuring box.
Description
Technical field
The utility model relates to low-pressure metering box detection field, is specifically related to a kind of low-pressure metering box machinery static load performance detecting platform.Background technology
Low-pressure metering box running environment is complicated, general exposed outdoor, affected by Changes in weather larger, affects its stable, safe operation.Low-pressure metering box is different from general low voltage complete set, and it is not only the first line of defence that guarantees New Generation of Intelligent electricity meter, when the accidents such as the fault that is short-circuited, propagation of flame, is also the first line of defence that guarantees user's life, property safety simultaneously.Low-pressure metering box in hot environment long-term work easily because of aging contactor, the earth leakage protective device fault of causing; the batch meter causing because the selection of material is defective gets rusty; the batch meter being caused by short trouble burns and electric leakage accident also often occurs, and has brought direct, indirect economic loss.
Existing low-voltage complete switch equipment and opertaing device standard GB7251 series: as GB7251.1 < < low-voltage complete switch equipment and opertaing device part 1: type approval test and part type approval test set of equipments > >, GB7251.3 < < low-voltage complete switch equipment and opertaing device the 3rd part: the specific (special) requirements > > of low-voltage complete switch equipment and the opertaing device that can enter place to layman---panel and GB7251.5 < < low-voltage complete switch equipment and opertaing device the 5th part: to all having stipulated the mechanical property that low-pressure metering box need to carry out in the specific (special) requirements > > of utility network electric distribution set of equipments, material property, the detailed content of the test such as electric property and electric switch performance, and mechanical test content device is advised and illustrated, but also do not have at present a set of complete simple to operate, the mechanical test equipment of automated intelligent can complete the mechanical test to low-pressure metering box.
Utility model content
The utility model relates to a kind of low-pressure metering box machinery static load performance detecting platform,
Described detection platform comprises main stationary platform, static load power application devices and spiral pulley structure;
Described main stationary platform comprises and is parallel to the rectangular flat plate on ground and is arranged on the baffle plate on described flat board;
The low-pressure metering box both sides that described baffle plate is placed on described flat board are fixed described low-pressure metering box;
Described static load power application devices comprises support, push rod, sliding axle and acts on the puller system on push rod, and the outside of two described baffle plates is respectively arranged with and is parallel to described baffle plate and is positioned at the sliding axle on described flat board; Described support is the strip support perpendicular to ground, along the sliding axle on described flat board, slides; On described support, be provided with the sliding axle perpendicular to ground, described push rod one end connects the sliding axle other end on described support near described low-pressure metering box, and described push rod moves up and down along the sliding axle on described support; Described puller system applies pulling force or thrust on the diverse location of described low-pressure metering box by described push rod;
Described spiral pulley structure comprises spiral guide rod device and pulley, and described puller system one end is connected with described spiral guide rod device by the flexible cable of described pulley, and described spiral guide rod device moves up and down the height of controlling described puller system.
In the first preferred embodiment that the utility model provides: the height of described baffle plate regulates according to the type of described low-pressure metering box;
One end near described low-pressure metering box on described push rod is provided with clamping baffle plate, between described clamping baffle plate and described low-pressure metering box, is provided with spring, and described push rod is realized the fixing of described low-pressure metering box from two side compressions of low-pressure metering box;
Described push rod is electric pushrod, on described electric pushrod, is provided with overload protection.
In the second preferred embodiment that the utility model provides: described spiral pulley structure comprises lifting body and photoelectric sensor, described pulley and photoelectric sensor are all arranged on described climbing structure, and described lifting body is connected with described spiral guide rod device;
Described photoelectric sensor comprises diffusion reflection pattern optoelectronic switch, in described optoelectronic switch detection head, generating laser and receiver is housed; When described lifting body declines along with described spiral guide rod device, when the light sending when described transmitter is blocked by described low-pressure metering box, reflected light makes described receiver receive light signal, exports a switching signal, the location of realizing described pulley.
In the 3rd preferred embodiment that the utility model provides: described detection platform comprises electric control operation cabinet;
Described electric control operation cabinet comprises support-moving control module, push rod mobile control unit, spiral lift mobile control unit, photo-sensor signal will receiving element, display unit, power value setup unit and the timing unit of microprocessor and described microprocessor control linkage;
Described support-moving control module receives the order of described microprocessor, control described support along described in be parallel to ground sliding axle move;
Described push rod mobile control unit receives the order of microprocessor, controls described push rod and moves along the described sliding axle perpendicular to ground;
Described spiral guide rod device mobile control unit receives the order of described microprocessor, controls the movement of described spiral guide rod device;
Described photo-sensor signal will receiving element is for receiving in real time the switching signal of described optoelectronic switch.
The beneficial effect of a kind of low-pressure metering box machinery static load performance detecting platform that the utility model provides comprises:
1, a kind of low-pressure metering box machinery static load performance detecting platform that the utility model provides, can carry out low-pressure metering box and low voltage complete set machinery static test, comprise and can complete low-pressure metering box stiffness test, the test of static load power, torsional test, metal insert test and door and installing plate performance test etc.
2, microprocessor is controlled low-pressure metering box and is fixed, and electric pushrod is provided with overload protection, and the spring clamping on baffle plate also can play the effect of buffering.Make low-pressure metering box fixing more intelligent and more reliable.
3, use high-precision digital display tautness meter to apply pulling force, avoided former use counterweight to apply the loaded down with trivial details and inconvenient of power.Can complete, simply complete the mechanical static test of low-pressure metering box.
4, spiral pulley structure level, vertical and upper and lower three planes all can move freely, the low-pressure metering box that the adaptation of maximum likelihood is of a great variety, vary in size.
5, adopt advanced photoelectric sensor and electric cabinet to control low-pressure metering box machinery static load process of the test, more intelligent and can guarantee operating personnel's life safety.
Accompanying drawing explanation
Be illustrated in figure 1 the structural representation of a kind of low-pressure metering box machinery static load performance detecting platform that the utility model provides;
A kind of low-pressure metering box machinery static load performance detecting platform that being illustrated in figure 2 the utility model provides carries out the schematic diagram of low-pressure metering box static load stiffness test;
A kind of low-pressure metering box machinery static load performance detecting platform that being illustrated in figure 3 the utility model provides carries out the schematic diagram of low-pressure metering box static load Verification of resistance to torsional stress;
Be illustrated in figure 4 the structural representation of the electric control operation cabinet of a kind of low-pressure metering box machinery static load performance detecting platform that the utility model provides;
Be illustrated in figure 5 the course of work process flow diagram of a kind of low-pressure metering box machinery static load performance detecting platform that the utility model provides.
Embodiment
With reference to the accompanying drawings embodiment of the present utility model is described in further detail below.
The utility model provides a kind of low-pressure metering box machinery static load performance detecting platform, the structural representation that is illustrated in figure 1 a kind of low-pressure metering box machinery static load performance detecting platform that the utility model provides, this detection platform comprises main stationary platform, static load power application devices and spiral pulley structure.Main stationary platform comprises the rectangular flat plate that is parallel to ground, and is arranged on the baffle plate on this flat board
When low-pressure metering box is placed in this detection platform, baffle plate is positioned at the both sides of this low-pressure metering box and fixes this low-pressure metering box.
Static load power application devices comprises support, push rod, sliding axle and acts on the puller system on push rod.The outside of two baffle plates is respectively arranged with and is parallel to baffle plate and is positioned at the sliding axle in rectangular flat plate; Support is the strip support perpendicular to ground, and this support can slide along sliding axle; On support, be also provided with the sliding axle perpendicular to ground, the sliding axle other end in the connection bracket of push rod one end is near low-pressure metering box, and this push rod can move up and down along the sliding axle on support.Puller system applies pulling force or thrust on the diverse location of low-pressure metering box by this push rod,, use high-precision digital display tautness meter to apply pulling force, avoided former use counterweight to apply the loaded down with trivial details and inconvenient of power.
Spiral pulley structure comprises spiral guide rod device and pulley, and puller system one end is connected with spiral guide rod device by the flexible cable of pulley, and this spiral guide rod device moves up and down the height of controlling puller system.
Further, the baffle plate of the upper setting of main stationary platform can be according to the type adjustment height of low-pressure metering box.
Be arranged on that push rod on support can be parallel to ground along the sliding axle in rectangular flat plate and on support and perpendicular to ground moving, and the one end near low-pressure metering box on push rod is provided with clamping baffle plate, between this clamping baffle plate and low-pressure metering box, be provided with spring, push rod is realized the fixing of this low-pressure metering box from two side compression low-pressure metering boxes.This push rod is electric pushrod, on this electric pushrod, is provided with overload protection, and the spring clamping between baffle plate and low-pressure metering box also can play the effect of buffering, prevents that the snap-in force that low-pressure metering box receives is excessive.
Spiral pulley structure also comprises lifting body and photoelectric sensor, pulley and photoelectric sensor are all arranged on climbing structure, lifting body is connected with spiral guide rod device, photoelectric sensor adopts diffusion reflection pattern optoelectronic switch, and a generating laser and a receiver are housed in optoelectronic switch detection head.Under normal circumstances, the light that generating laser sends, receiver can not receive.In a kind of low-pressure metering box machinery static load performance detecting platform providing at the utility model, when lifting body declines along with spiral guide rod device, when the light sending when transmitter is blocked by low-pressure metering box, reflection can occur makes receiver receive light signal, thereby export a switching signal, the location of realizing pulley.
The utility model provides a kind of low-pressure metering box machinery static load performance detecting platform, can carry out low-pressure metering box static load Verification of resistance to torsional stress, low-pressure metering box static load stiffness test, the slow test of low-pressure metering box static load, the test of low-pressure metering box metal insert and door and installing plate performance test etc.
As shown in Figure 2, this process specifically comprises the schematic diagram that this detection platform is carried out low-pressure metering box static load stiffness test as shown in Figure 2:
Low-pressure metering box is fixed in main stationary platform, the shell test point of low-pressure metering box is applied to respective loads, measure shell rigidity, applying stiffness test power is 500N, lasting 1min.
The process that this detection platform is carried out the slow test of low-pressure metering box static load specifically comprises:
Static load power application devices by the load serial action of 60N on each sidewall of low-pressure metering box shell, time is 5min, in test, the center of this load should be apart from the edge 20mm of low-pressure metering box sidewall, and should act on the circular surface that diameter is 10mm.
As shown in Figure 3, this process specifically comprises the schematic diagram that this detection platform is carried out low-pressure metering box static load Verification of resistance to torsional stress as shown in Figure 3:
The angle bar that is 100mm by 60mm * 60mm * 5mm length is placed on low-pressure metering box, this angle bar one side is parallel above with low-pressure metering box, another side is vertical above with low-pressure metering box, while carrying out low-pressure metering box torsional test, low-pressure metering box will be fixed on its pedestal firmly, and angle bar links closely on it, angle bar both sides are contacted with above a low-pressure metering box and side, the door of low-pressure metering box will be closed, and at the masterpiece that applies of static load power application devices, is used in angle bar with on face vertical above low-pressure metering box; The direction that the applies power direction that to be angle bar horizontally rotate to the direction of low-pressure metering box, this low-pressure metering box should bear the torsion of 2 * 1000N, and the time is 30s.
It is that the threaded connector of test is applied to respective loads that this detection platform is carried out the test of low-pressure metering box metal insert, and process comprises:
Can low-pressure metering box should be held by platform completely, and the threaded hole of each tested inserts should assemble, and then according to table 1, applies axial force, and the time is 10s, to verify, inserts is extracted from embedded location.
The axial load that table 1 pair inserts applies
| The tapped bore of inserts | Axial load/N |
| M4 | 350 |
| M5 | 350 |
| M6 | 500 |
| M8 | 500 |
| M10 | 800 |
| M12 | 800 |
This detection platform is carried out in door and installing plate performance test, under low-temperature measurement chamber door full open position (upper and lower opening hinge formula door is under spacing state), the chamber door of horizontally openable is applied to respective horizontal loading force, on the vertical center line of door, apply again afterwards 4 times to the load of the quality of door itself, continue 1min.
A kind of detection platform that the utility model provides can also comprise electric control operation cabinet, the structural representation of this electric control operation cabinet as shown in Figure 4, as shown in Figure 4, this electric control operation cabinet comprises support-moving control module, push rod mobile control unit, spiral lift mobile control unit, photo-sensor signal will receiving element, display unit, power value setup unit and the timing unit of microprocessor and microprocessor control linkage.Support-moving control module receives the order of microprocessor, controls support and moves along the sliding axle that is parallel to ground; Push rod mobile control unit receives the order of microprocessor, controls push rod and moves along the sliding axle perpendicular to ground; Spiral guide rod device mobile control unit receives the order of microprocessor, controls the movement of spiral guide rod device; Photo-sensor signal will receiving element is for receiving in real time the switching signal of optoelectronic switch.
Concrete, be illustrated in figure 5 the course of work process flow diagram of a kind of low-pressure metering box machinery static load performance detecting platform that the utility model provides, as shown in Figure 5, the method comprises:
Step 1, is placed in low-pressure metering box in main stationary platform, according to the height of the type adjustment baffle plate of low-pressure metering box.
Step 2, display module is pointed out selection test type to user, and microprocessor receives the test type result that user selects.
Step 3, display module is pointed out value and the application of force time of selecting the power that applies to user, and microprocessor receives value and the application of force time result of the power that applies of user's selection.
Step 4, microprocessor sends a command to the movement that spiral lift mobile control unit is controlled spiral guide rod device, when photo-sensor signal will receiving element receives the switching signal of optoelectronic switch, stops moving down of this spiral guide rod device.
Step 5, the test type that microprocessor is selected according to user is determined the position of push rod, sends a command to the movement that support-moving control module and push rod mobile control unit are controlled support and push rod.
Step 6, the application of force value size that the user that power value setup unit sends according to microprocessor selects, control static load power application devices low-pressure metering box is carried out the application of force and starts timing unit, timing unit stops the application of force of static load power application devices to low-pressure metering box when the application of force time receiving reaches.
Finally should be noted that: above embodiment is only in order to illustrate that the technical solution of the utility model is not intended to limit, although the utility model is had been described in detail with reference to above-described embodiment, those of ordinary skill in the field are to be understood that: still can modify or be equal to replacement embodiment of the present utility model, and do not depart from any modification of the utility model spirit and scope or be equal to replacement, it all should be encompassed in the middle of claim scope of the present utility model.
Claims (4)
1. a low-pressure metering box machinery static load performance detecting platform, is characterized in that, described detection platform comprises main stationary platform, static load power application devices and spiral pulley structure;
Described main stationary platform comprises and is parallel to the rectangular flat plate on ground and is arranged on the baffle plate on described flat board;
The low-pressure metering box both sides that described baffle plate is placed on described flat board are fixed described low-pressure metering box;
Described static load power application devices comprises support, push rod, sliding axle and acts on the puller system on described push rod, and described low-pressure metering box is respectively arranged with along the outside of described baffle plate and is parallel to described baffle plate and is positioned at the sliding axle on described flat board; Described support is the strip support perpendicular to ground, along the sliding axle on described flat board, slides; On described support, be provided with the sliding axle perpendicular to ground, described push rod one end connects the sliding axle on described support, and the other end is near described low-pressure metering box, and described push rod moves up and down along the sliding axle on described support; Described puller system applies pulling force or thrust on the diverse location of described low-pressure metering box by described push rod;
Described spiral pulley structure comprises spiral guide rod device and pulley, and described puller system one end is connected with described spiral guide rod device by the flexible cable of described pulley, and described spiral guide rod device moves up and down the height of controlling described puller system.
2. detection platform as claimed in claim 1, is characterized in that, the height of described baffle plate regulates according to the type of described low-pressure metering box;
One end near described low-pressure metering box on described push rod is provided with clamping baffle plate, between described clamping baffle plate and described low-pressure metering box, is provided with spring, and described push rod is realized the fixing of described low-pressure metering box from two side compressions of low-pressure metering box;
Described push rod is electric pushrod, on described electric pushrod, is provided with overload protection.
3. detection platform as claimed in claim 1, is characterized in that, described spiral pulley structure comprises lifting body and photoelectric sensor, and described pulley and photoelectric sensor are all arranged on described climbing structure, and described lifting body is connected with described spiral guide rod device;
Described photoelectric sensor comprises diffusion reflection pattern optoelectronic switch, in described optoelectronic switch detection head, generating laser and receiver is housed; When described lifting body declines along with described spiral guide rod device, when the light sending when described transmitter is blocked by described low-pressure metering box, reflected light makes described receiver receive light signal, exports a switching signal, the location of realizing described pulley.
4. detection platform as claimed in claim 3, is characterized in that, described detection platform comprises electric control operation cabinet;
Described electric control operation cabinet comprises support-moving control module, push rod mobile control unit, spiral lift mobile control unit, photo-sensor signal will receiving element, display unit, power value setup unit and the timing unit of microprocessor and described microprocessor control linkage;
Described support-moving control module receives the order of described microprocessor, control described support along described in be parallel to ground sliding axle move;
Described push rod mobile control unit receives the order of microprocessor, controls described push rod and moves along the described sliding axle perpendicular to ground;
Described spiral guide rod device mobile control unit receives the order of described microprocessor, controls the movement of described spiral guide rod device;
Described photo-sensor signal will receiving element is for receiving in real time the switching signal of described optoelectronic switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320724926.6U CN203561556U (en) | 2013-11-18 | 2013-11-18 | Mechanical static load property detecting platform of low-temperature measuring box |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320724926.6U CN203561556U (en) | 2013-11-18 | 2013-11-18 | Mechanical static load property detecting platform of low-temperature measuring box |
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| CN203561556U true CN203561556U (en) | 2014-04-23 |
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| CN201320724926.6U Expired - Lifetime CN203561556U (en) | 2013-11-18 | 2013-11-18 | Mechanical static load property detecting platform of low-temperature measuring box |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103712856A (en) * | 2013-11-18 | 2014-04-09 | 国家电网公司 | Mechanical static load performance testing platform of low pressure metering box |
| CN105158005A (en) * | 2015-09-30 | 2015-12-16 | 国家电网公司 | Electric pre-tightening device of static-load tension tester |
| CN116577120A (en) * | 2023-07-12 | 2023-08-11 | 中国汽车技术研究中心有限公司 | Static calibration method and device for neck of automobile crash dummy |
-
2013
- 2013-11-18 CN CN201320724926.6U patent/CN203561556U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103712856A (en) * | 2013-11-18 | 2014-04-09 | 国家电网公司 | Mechanical static load performance testing platform of low pressure metering box |
| CN105158005A (en) * | 2015-09-30 | 2015-12-16 | 国家电网公司 | Electric pre-tightening device of static-load tension tester |
| CN116577120A (en) * | 2023-07-12 | 2023-08-11 | 中国汽车技术研究中心有限公司 | Static calibration method and device for neck of automobile crash dummy |
| CN116577120B (en) * | 2023-07-12 | 2023-10-10 | 中国汽车技术研究中心有限公司 | Static calibration method and device for neck of automobile crash dummy |
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Granted publication date: 20140423 |