CN204731036U - A kind of mechanism for testing assembly - Google Patents
A kind of mechanism for testing assembly Download PDFInfo
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- CN204731036U CN204731036U CN201520193762.8U CN201520193762U CN204731036U CN 204731036 U CN204731036 U CN 204731036U CN 201520193762 U CN201520193762 U CN 201520193762U CN 204731036 U CN204731036 U CN 204731036U
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Abstract
The utility model provides mechanism for testing assembly, and described mechanism for testing assembly comprises: body, the first test board, the second test board and pressure transducer; Wherein, the first test board is relative with the second test board plate face is also removably installed on described body; Pressure transducer is located in described body, and its two ends are done with two pieces of described test boards respectively in order to can receive when two pieces of test boards are stressed and extrude and to calculate described pressure; Wherein, there is gap between equal and described body in described first test board and the second test board on the direction of described pressure.Mechanism for testing assembly structure of the present utility model is simple, can high-precision test pressure.<pb pnum="1" />
Description
Technical field
The utility model relates to a kind of mechanism for testing assembly, particularly a kind of mechanism for testing assembly of test pressure.
Background technology
Pressure test device is commonly used to test to the withstand voltage properties of product.The kind of pressure test device is a lot, and some is applicable to, in the production run of air-conditioner set, fin type heat exchanger, test to product hermeticity energy, withstand voltage properties.Be generally the artificial reading reading precision pressure gauge, record start dwell pressure and dwell time arrive after pressure, by comparing, calculating pressure is poor, and whether judgement product pressure resistance meets technological requirement.Also some pressure test devices are had for its maximum values of exerting pressure of product test such as machine tools (as caliper), as pressure or gravity sensor, when using such sensor to test, between the operating head normally sensor being placed in machine tool, exert pressure to obtain force value to sensor by two operating heads, but because measured object in prior art directly contacts with sensor usually, active area affects by operating head shape, general contact area is less, and, if when the pressure active line of operating head is not by center sensor, the arm of force can be produced, cause test result error larger, have a strong impact on the reliability of test.
Utility model content
Problem to be solved in the utility model is, provides a kind of for test pressure and the high mechanism for testing assembly of measuring accuracy.
In order to solve the problem, the utility model provides mechanism for testing assembly, and for test pressure, described mechanism for testing assembly comprises: body; First test board and the second test board, these two pieces of test board plate faces are relatively also removably installed on described body; Pressure transducer, is located in described body, and its two ends are done with two pieces of described test boards respectively in order to can receive when two pieces of test boards are stressed and extrude and to calculate described pressure; Wherein, there is gap between equal and described body in these two pieces of test boards on the direction of described pressure.
As preferably, all vertically in the one side that described first test board is relative with the second test board be provided with guidepost, in described body, correspondence is formed with the pilot hole for wearing for each described guidepost, and described first test board and the second test board are all installed on described body removably by the grafting of described guidepost and corresponding described pilot hole.
As preferably, described pressure transducer comprises cylindrical and the test body with axial pass-through holes and the measuring head be arranged in described axial pass-through holes; The plate face of axes normal two pieces of test boards of described test body; Clip between one end of described test body and the first test board outside one end that described test body is stretched out in described measuring head one end, described test body is bolted on described second test board.
As preferably, described second test board is provided with detent towards the one side of described test body, the corresponding positioning convex be provided with for being connected with described detent on described test body, the central point of described detent and described positioning convex is all positioned on the axis of described test body.
As preferably, be provided with the installing plate all paralleled with described first test board and the second test board in described body, described installing plate both sides are respectively equipped with the displacement transducer for detecting the displacement that corresponding test board produces when being stressed extruding.
As preferably, described body comprises installation frame and at least two cover plates of quadrilateral, described first test board and at least one piece of described cover plate are installed in described installation frame wherein an open-position-side can hide this open-position-side completely, and another open-position-side that described second test board and at least one piece of described cover plate are installed in described installation frame can hide this open-position-side completely.
The beneficial effect of mechanism for testing assembly of the present utility model is, by adopting test board to accept pressure, not only increasing lifting surface area, adding the active area with pressure transducer simultaneously, making action effect better, reduce test error.In addition, between test board with installation frame, be provided with the pilot hole and guidepost that coordinate, make when test board stress point not with still can ensure during pressure transducer center superposition that two test boards are opposing parallel, thus ensure that further the error of test result is less.
Accompanying drawing explanation
Fig. 1 is the structural representation of mechanism for testing assembly of the present utility model.
Fig. 2 is the part-structure decomposing schematic representation of mechanism for testing assembly of the present utility model.
Fig. 3 is the rear view of Fig. 2.
Fig. 4 is the cut-open view of mechanism for testing assembly of the present utility model.
Fig. 5 is the stressed schematic diagram of mechanism for testing assembly of the present utility model.
Reference numeral:
1-installation frame; 2-first test board; 3-pressure transducer; 4-test body; 5-measuring head; 6-guidepost; 7-pilot hole; 8-positioning convex; 9-detent; 10-displacement transducer; 11-cover plate; 12-installing plate; 13-sliding seat; 14-second test board; To be measured of 15-; 16-clamping section.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in detail.
As shown in Figures 1 to 5, the utility model discloses a kind of mechanism for testing assembly, and for test pressure, this mechanism for testing assembly comprises:
Body, the body in the present embodiment is casing shape, comprises installation frame 1 and at least two cover plates 11 of quadrilateral;
First test board 2 and the second test board 14, these two pieces of test board plate faces are relatively also removably installed on two relative open-position-sides of above-mentioned installation frame 1; The shape of the first test board 2 and the second test board 14 is not fixed, and the shape of these two pieces of test boards can be identical, also can be different, as piece test board of two in the present embodiment, wherein the first test board 2 is the rectangle with the first half of above-mentioned quadrilateral frame (first half namely in Fig. 1 and Fig. 2) form fit, and the second test board 14 is then special-shaped test board.No matter but the shape of above-mentioned each test board, as long as can ensure its have sufficient for pressure transducer 3 (hereafter will introduce) interactional active area, and preferably can ensure that the center of two pieces of test boards 2 is corresponding.
Pressure transducer 3, (is namely located in body) between two pieces of test boards
,the two ends of this pressure transducer 3 are done with two pieces of test boards respectively in order to can receive when two pieces of test boards are stressed and extrude and to calculate above-mentioned pressure, in order to ensure that the accuracy of the pressure arrived tested by pressure transducer 3, all and between installation frame 1 there is gap in these two pieces of test boards on above-mentioned pressure direction.This pressure transducer 3 is electrically connected with exterior display device (in figure, this is not shown), for the pressure demonstrating it and test out.In the present embodiment, as shown in Figure 5, to be measured 15 in scissor-shaped, there are two clamping sections 16, between two clamping sections 16 during test, mechanism for testing assembly being placed in be measured 15 by direction as shown, then two operating grips are promoted in opposite directions, namely A and B in figure, two clamping sections 16 are moved by direction shown in pressure in figure and applies pressure with two test boards respectively to mechanism for testing assembly, now pressure transducer 3 just can receive, calculates this force value and be sent in display device, and staff reads above-mentioned force value by display device.
Further, continue composition graphs 2 and Fig. 3, all vertically in the one side that first test board 2 is relative with the second test board 14 be provided with guidepost 6, in installation frame 1, correspondence is formed with the pilot hole 7 for wearing for each guidepost 6, its concrete structure can see Fig. 2 and Fig. 3, these two pieces of test boards all by the grafting of its guidepost 6 and the pilot hole 7 corresponding with this guidepost 6 detachable be installed on installation frame 1, convenient and swift.In addition, arranging this guidepost 6 also can when each test board accepts pressure with pilot hole 7, when the center of its stress point (i.e. the point of application of pressure) drifting pressure sensor 3, play the effect of balancing side test plate (panel), make two pieces of test boards still can keep opposing parallel state, thus make pressure transducer 3 pressure balanced, avoid occurring excessive test error.
Pressure transducer 3 in the present embodiment comprises cylindrical and the test body 4 with axial pass-through holes and the measuring head 5 be arranged in axial pass-through holes (because tested 5 blocks, therefore not shown through hole); This test body 4 comprises two and coaxially arranges and the disk be bolted to connection (disk offering above-mentioned axial pass-through holes), the plate face of the axes normal test board of this disk, namely the plate face of axes normal two pieces of test boards of test body 4; Measuring head 5 is in bolt shape, and fasten mutually with this end outside one end that its one end is positioned at test body 4, the other end is positioned at test body 4 and its end face is concordant with the end face of the other end of test body 4; Wherein, as shown in Figure 4, measuring head 5 is positioned at one end outside test body 4 and first test board 2 just right with it leans, test body 4 is bolted on the second test board 14 by many, namely, test body 4 is fixedly connected with this test board by its disk near the second test board 14, and this disk one side relative with the second test board 14 fits.The present embodiment adopts test board to act on pressure transducer 3, the stressed of pressure transducer 3 is made to change face into by point, increase active area, and coordinating in conjunction with guidepost 6 and pilot hole 7, make the plate face of whole above-mentioned test board all can as center sensor, and stability under loading, therefore, effectively reduce test error.
Further, as shown in Figure 4, the second test board 14 center can be fixed on to make test body 4, in the present embodiment, the second test board 14 is provided with detent 9 towards the one side of test body 4, detent 9 in the present embodiment is round bottom groove (center of circle of this round bottom groove is on the axis of test body 4), and test body 4 is towards the corresponding positioning convex 8 be formed for being connected with this round bottom groove fit of one side of this round bottom groove.Arranging detent 9 with positioning convex 8 is in order to subtest body 4 locates use, makes test body 4 can facilitate the center being positioned the second test board 14 accurately.Certainly, above-mentioned round bottom groove and positioning convex 8 also can be other structure matched, as rectangular recess, rectangular preiection etc.
As shown in Figure 2, due to the first test board 2 and the second test board 14 (as shown in Figure 5) meeting slippage certain distance (this distance is above-mentioned gap) in opposite directions when being stressed extruding, namely each test board on suffered pressure direction along the pilot hole 7 slippage certain distance of its correspondence, for testing out two pieces of test board pressures more accurately, in the present embodiment, be also provided with the displacement transducer 10 that two are respectively used to the displacement that test two pieces of test boards produce when being stressed extruding.Concrete, in installation frame 1, be provided with one piece of installing plate 12, two displacement transducer 10 all paralleled with the first test board 2 and the second test board 14 corresponding both sides being installed in installing plate 12 respectively.Be connected with the processor (as PLC) be electrically connected with outside electric control gear in the present embodiment between these two displacement transducers 10, the force value sent out for reception two displacement transducers 10 and two force value are averaged measuring and calculating after be sent to electric control gear (in figure for processor and electric control gear all not shown) in.
Further, continue composition graphs 2 and Fig. 3, in order to installation frame 1 is closed, namely form a body closed, the wherein open-position-side that in the present embodiment, the first test board 2 and at least one piece of cover plate 11 are installed in installation frame 1 can hide this open-position-side completely, another open-position-side that the second test board 14 and at least one piece of cover plate 11 are installed in installation frame 1 can hide this open-position-side completely.The part be not namely connected with test board in installation frame 1 both sides is all by installing cover plate 11 that bolt is detachable.Cover plate 11 shape is not unique, can change, as long as closed installation frame 1 can be coordinated to make it form closed casing according to test board shape.In addition, when this mechanism for testing assembly is come into operation, when streamline using as dropped into, a slide rail (in figure, this is not shown) can be made, and the sliding seat 13 (as shown in Figure 4) can joined with this slide rail and slide is installed bottom the install bin of this mechanism for testing assembly.
Above embodiment is only exemplary embodiment of the present utility model, is not used in restriction the utility model, and protection domain of the present utility model is defined by the claims.Those skilled in the art can in essence of the present utility model and protection domain, and make various amendment or equivalent replacement to the utility model, this amendment or equivalent replacement also should be considered as dropping in protection domain of the present utility model.
Claims (6)
1. mechanism for testing assembly, for test pressure, is characterized in that, described mechanism for testing assembly comprises:
Body;
First test board and the second test board, these two pieces of test board plate faces are relatively also removably installed on described body;
Pressure transducer, is located in described body, and its two ends are done with two pieces of described test boards respectively in order to can receive when two pieces of test boards are stressed and extrude and to calculate described pressure;
Wherein, there is gap between equal and described body in these two pieces of test boards on the direction of described pressure.
2. mechanism for testing assembly according to claim 1, it is characterized in that, all vertically in the one side that described first test board is relative with the second test board be provided with guidepost, in described body, correspondence is formed with the pilot hole for wearing for each described guidepost, and described first test board and the second test board are all installed on described body removably by the grafting of described guidepost and corresponding described pilot hole.
3. mechanism for testing assembly according to claim 2, is characterized in that, described pressure transducer comprises cylindrical and has the test body of axial pass-through holes and the measuring head be arranged in described axial pass-through holes; The plate face of axes normal two pieces of test boards of described test body; Clip between one end of described test body and the first test board outside one end that described test body is stretched out in described measuring head one end, described test body is bolted on described second test board.
4. mechanism for testing assembly according to claim 3, it is characterized in that, described second test board is provided with detent towards the one side of described test body, the corresponding positioning convex be provided with for being connected with described detent on described test body, the central point of described detent and described positioning convex is all positioned on the axis of described test body.
5. mechanism for testing assembly according to claim 1, it is characterized in that, be provided with the installing plate all paralleled with described first test board and the second test board in described body, described installing plate both sides are respectively equipped with the displacement transducer for detecting the displacement that corresponding test board produces when being stressed extruding.
6. mechanism for testing assembly according to claim 1, it is characterized in that, described body comprises installation frame and at least two cover plates of quadrilateral, described first test board and at least one piece of described cover plate are installed in described installation frame wherein an open-position-side can hide this open-position-side completely, and another open-position-side that described second test board and at least one piece of described cover plate are installed in described installation frame can hide this open-position-side completely.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520193762.8U CN204731036U (en) | 2015-04-01 | 2015-04-01 | A kind of mechanism for testing assembly |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520193762.8U CN204731036U (en) | 2015-04-01 | 2015-04-01 | A kind of mechanism for testing assembly |
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| CN204731036U true CN204731036U (en) | 2015-10-28 |
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| CN201520193762.8U Active CN204731036U (en) | 2015-04-01 | 2015-04-01 | A kind of mechanism for testing assembly |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107462376A (en) * | 2017-10-10 | 2017-12-12 | 芜湖三花自控元器件有限公司 | A kind of sliding block test fixture device and test technology |
| CN107764455A (en) * | 2017-11-20 | 2018-03-06 | 广州特种承压设备检测研究院 | Hot-melt welding machine pressure-detecting device and method |
-
2015
- 2015-04-01 CN CN201520193762.8U patent/CN204731036U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107462376A (en) * | 2017-10-10 | 2017-12-12 | 芜湖三花自控元器件有限公司 | A kind of sliding block test fixture device and test technology |
| CN107764455A (en) * | 2017-11-20 | 2018-03-06 | 广州特种承压设备检测研究院 | Hot-melt welding machine pressure-detecting device and method |
| CN107764455B (en) * | 2017-11-20 | 2023-11-24 | 广州特种承压设备检测研究院 | Pressure detection device and method for thermal fusion welding machine |
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Address after: 065000 Langfang City, Hebei Province Economic Development Zone Chang Xiang Guangyang Road, South Road East 100 Patentee after: Langfang Jin run electric Limited by Share Ltd Address before: 065001 Langfang city in Hebei Province Road Development Zone, the new Austrian Yaohua Industrial Co. Ltd. North hi tech Patentee before: LANGFANG JINRUN ELECTRIC CO., LTD. |