CN211348507U - Slope impact test device and breakdown voltage measurement system - Google Patents
Slope impact test device and breakdown voltage measurement system Download PDFInfo
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- CN211348507U CN211348507U CN201921863225.4U CN201921863225U CN211348507U CN 211348507 U CN211348507 U CN 211348507U CN 201921863225 U CN201921863225 U CN 201921863225U CN 211348507 U CN211348507 U CN 211348507U
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Abstract
The utility model belongs to the technical field of the wire and cable test technique and specifically relates to a slope impact test device and breakdown voltage measurement system are related to. The slope impact test device comprises a bracket, a fixing plate and an impact piece; the fixed plate and the impact piece are both arranged on the bracket, the impact piece is arranged above the fixed plate along a first direction, and the impact piece can move along the first direction so as to be close to or far away from the fixed plate; the fixed plate is used for fixing the wire to be tested towards the side of the impact piece, the plate surface of the fixed plate and the first direction form a preset inclination angle, so that when the impact piece moves along the direction of the first direction fixed plate, the impact piece can collide with the fixed plate by using a preset impact force and a preset inclination angle, the wire to be tested positioned on the fixed plate is hit, the slope impact test of the wire is completed, and the subsequent measurement of the electrical breakdown voltage of the wire to be tested is carried out.
Description
Technical Field
The utility model belongs to the technical field of the wire and cable test technique and specifically relates to a slope impact test device and breakdown voltage measurement system are related to.
Background
In the process of testing the electrical breakdown voltage of the insulating layer or the covering layer of the lead, the oblique impact on the lead is an important link in the test process; however, the existing device for performing the oblique impact test on the lead has the disadvantages of complex structure, complex operation and high test and inspection cost.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a slope impact test device and breakdown voltage measurement system to a simple structure, easy and simple to handle's equipment can carry out the slope impact test to the wire is provided.
The utility model provides a slope impact test device, which comprises a bracket, a fixed plate and an impact piece; the fixing plate and the impact piece are both arranged on the bracket, and the fixing plate is used for fixing a lead to be tested; the impact piece can move towards the fixing plate along a first direction, and the first direction and the fixing plate form a preset inclination angle, so that the impact piece can hit the lead to be tested on the fixing plate with a preset impact force and a preset inclination angle.
Furthermore, the impact piece is an impact weight, and the impact weight is hung on the bracket through a traction rope; the impact weight can fall along the first direction under the action of gravity to hit the lead to be tested on the fixing plate; the first direction is a vertical direction.
Further, the device also comprises a guide pipe; the guide pipe is fixedly arranged on the bracket along the vertical direction, and the projection of the axis of the guide pipe along the vertical direction falls on the axis of the lead to be tested; the impact member is located within the guide tube to move the impact member in a vertical direction.
Furthermore, the pipe wall of the guide pipe is provided with an exhaust hole; the number of the exhaust holes is multiple, and the exhaust holes are distributed at intervals along the length direction of the guide pipe.
Furthermore, a guide nozzle is arranged at the port of one end of the guide pipe, which is far away from the lead wire to be tested; one end of the guide nozzle extends into the guide pipe, and the other end of the guide nozzle extends out of the guide pipe and is lapped at the end part of the guide pipe; the end surface of one end of the guide nozzle extending out of the guide tube is arc-shaped; a through hole is formed in the guide nozzle, so that the traction rope can penetrate through the through hole.
Further, the outer wall of the impact piece and the inner wall of the guide pipe are both provided with chromium coatings.
Further, the fixing plate is an oak anvil; one end of the impact piece, which faces the oak anvil, is hemispherical.
Furthermore, the fixing plate is also provided with a clamping piece, and the clamping piece is connected with the fixing plate through a fastening piece; the number of the clamping pieces is two, and the two clamping pieces are arranged at intervals along the length direction of the wire to be tested so as to clamp and fix two ends of the wire to be tested.
Furthermore, adjusting blocks are respectively arranged at two ends of the fixing plate along the length direction of the lead to be tested; the adjusting block is provided with an inclined plane with a preset angle, and the adjusting block is connected with the end part of the corresponding fixing plate through the inclined plane; the adjusting block is provided with a long hole, a fastener is arranged in the long hole, and the adjusting block is connected with the support through the corresponding fastener.
The utility model also provides a breakdown voltage measurement system, including above-mentioned arbitrary slope impact test device.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model provides a slope impact test device, which comprises a bracket, a fixed plate and an impact piece, wherein the fixed plate and the impact piece are both arranged on the bracket, the impact piece is arranged above the fixed plate along a first direction, and the impact piece can move along the first direction so as to be close to or far away from the fixed plate; the first direction is a predetermined inclination angle with the plate surface of the fixing plate, so that when the impact piece moves along the direction of the first direction fixing plate, the impact piece can collide with one side plate surface of the fixing plate by a predetermined impact force and a predetermined inclination angle. The fixing plate is used for placing a lead to be tested, the lead to be tested is placed on the plate surface of one side of the fixing plate, which faces the impact piece, and two ends of the lead to be tested in the length direction are fixed through the fixing piece so as to stably and firmly fix the lead to be tested on the fixing plate; the impact piece is located the examination wire of awaiting measuring directly over along first direction to when the impact piece is close to fixed motion along first direction orientation, can hit the examination wire of awaiting measuring that is fixed in on the fixed plate with predetermined impact force and predetermined inclination, thereby accomplish the slope impact test to the wire, in order to carry out subsequent measurement to the electrical breakdown voltage of examination wire.
The utility model also provides a breakdown voltage measurement system, include slope impact test device, therefore breakdown voltage measurement system also has slope impact test device's beneficial effect.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a slope impact testing apparatus provided in an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an impact piece of a slope impact test device according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a guide nozzle of a slope impact testing apparatus according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of an adjusting block of the slope impact testing apparatus provided by the embodiment of the present invention.
Reference numerals:
1-bracket, 2-fixing plate, 3-impact piece, 4-lead to be tested, 5-traction rope, 6-guide tube, 61-exhaust hole, 7-guide nozzle, 8-clamping piece, 9-adjusting block, 91-strip hole, a-first direction.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention.
The components of the embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.
Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
A ramp impact test apparatus and a breakdown voltage measurement system according to some embodiments of the present application are described below with reference to fig. 1 to 4.
The application provides a slope impact test device, as shown in fig. 1 to 3, comprising a bracket 1, a fixing plate 2 and an impact piece 3; the fixing plate 2 and the impact piece 3 are both arranged on the bracket 1, and the fixing plate 2 is used for fixing a lead 4 to be tested; the impact member 3 can move toward the fixed plate 2 along a first direction a, which is at a predetermined inclination angle with respect to the fixed plate 2, so that the impact member 3 can hit the wire 4 to be tested on the fixed plate 2 with a predetermined impact force and a predetermined inclination angle.
The slope impact test device comprises a bracket 1, a fixing plate 2 and an impact piece 3, wherein the fixing plate 2 and the impact piece 3 are both arranged on the bracket 1, the impact piece 3 is arranged above the fixing plate 2 along a first direction a, and the impact piece 3 can move along the first direction a so as to enable the impact piece 3 to be close to or far away from the fixing plate 2; the plate surface of the fixed plate 2 has a predetermined inclination angle with respect to the first direction a, so that when the impact member 3 moves in the direction of the fixed plate 2 in the first direction a, the impact member 3 can collide with one side plate surface of the fixed plate 2 with a predetermined impact force and a predetermined inclination angle.
The fixing plate 2 is used for placing a lead 4 to be tested, the lead 4 to be tested is placed on the plate surface of one side of the fixing plate 2 facing the impact piece 3, and the two ends of the lead 4 to be tested in the length direction are fixed through the fixing piece, so that the lead 4 to be tested is stably and firmly fixed on the fixing plate 2; the impact piece 3 is located the testing wire 4 and along first direction a directly over to when the impact piece 3 along first direction a to being close to the motion of fixed plate 2, can hit the testing wire 4 that is fixed in on fixed plate 2 with predetermined impact force and predetermined inclination, thereby accomplish the slope impact test to the wire, in order to carry out subsequent measurement to the electrical breakdown voltage of testing wire 4.
Specifically, the lead 4 to be tested is located on the center line of the board surface on one side of the fixing board 2, and the impact piece 3 can hit the middle point of the lead 4 to be tested located on the fixing board 2 when hitting the lead 4 to be tested.
In one embodiment of the present application, preferably, as shown in fig. 1 and 2, the impact member 3 is a shock weight, and the shock weight is hung on the bracket 1 through a traction rope 5; the impact weight can fall under the influence of gravity in a first direction a, which is vertical, to hit the wire 4 to be tested on the fixed plate 2.
In the embodiment, the impact piece 3 is an impact weight with a certain weight, the impact weight is hung on the bracket 1 through a traction rope 5, and the impact weight naturally droops along the vertical direction under the action of the self weight of the impact weight; the traction rope 5 is pulled to pull the impact piece 3 to move upwards along the vertical direction, and the traction rope 5 is loosened, so that the impact weight falls down along the vertical direction under the action of gravity; at the moment, the first direction a is a vertical direction, the fixed plate 2 is positioned right below the impact weight, and the fixed plate 2 and the horizontal direction form a preset inclination angle; therefore, when the lead is subjected to a slope impact test, the lead 4 to be tested is stably fixed on the fixing plate 2, the impact piece 3 is pulled up to a preset height and then the traction rope 5 is released, the impact weight falls down along the vertical direction under the action of the self gravity, a certain impact force is formed to hit the lead 4 to be tested on the fixing plate 2, and the slope impact test is completed.
In one embodiment of the present application, preferably, as shown in fig. 1, the slope impact testing apparatus further includes a guide tube 6; the guide tube 6 is fixedly arranged on the bracket 1 along the vertical direction, and the projection of the axis of the guide tube 6 along the vertical direction falls on the axis of the lead 4 to be tested; the impact member 3 is located within the guide tube 6.
In this embodiment, the slope impact testing device further comprises a guide tube 6, wherein the guide tube 6 is fixedly arranged on the bracket 1, and the length direction of the guide tube 6 extends along the vertical direction; and the projection of the central axis of the guide tube 6 along the vertical direction just falls on the axis of the lead wire 4 to be tested on the fixing and fixing plate 2; the size and the shape of the inner hole of the guide pipe 6 are matched with the appearance and the size of the impact piece 3, so that the impact piece 3 can be hung in the guide pipe 6 through the traction rope 5 and can move along the length direction of the guide pipe 6, and the impact piece 3 is guaranteed to move along the vertical direction all the time when the traction rope 5 is loosened through the guide pipe 6 and hit a lead 4 to be tested.
In one embodiment of the present application, preferably, as shown in fig. 1, the tube wall of the guide tube 6 is provided with an exhaust hole 61; the number of the exhaust holes 61 is plural, and the plural exhaust holes 61 are distributed at intervals along the length direction of the guide pipe 6.
In this embodiment, when a slope impact test is performed on a lead 4 to be tested, the impact piece 3 is firstly pulled up to make a certain distance between the impact piece 3 and the lead, and then the impact piece 3 is released to make the impact piece 3 fall in the guide tube 6 along the vertical direction; however, during the falling process of the impact piece 3 in the guide pipe 6, air resistance is generated, so that the accuracy of the test result is influenced; therefore, in order to reduce the influence of air resistance on the measurement result, the slope impact test device of the application is provided with a plurality of exhaust holes 61 on the pipe wall of the guide pipe 6, and the exhaust holes 61 are distributed at intervals along the length direction of the guide pipe 6, so that in the falling process of the impact piece 3, the air in the guide pipe 6 below the impact piece 3 can be exhausted through the exhaust holes 61 on the pipe wall, and the influence of the air resistance on the test result is reduced.
In one embodiment of the present application, preferably, as shown in fig. 1 and 3, a port of one end of the guide tube 6 away from the lead wire 4 to be tested is provided with a guide nozzle 7; one end of the guide nozzle 7 extends into the guide tube 6, and the other end of the guide nozzle 7 extends out of the guide tube 6 and is lapped on the end part of the guide tube 6; the end surface of one end of the guide nozzle 7 extending out of the guide tube 6 is arc-shaped; a through hole is arranged in the guide nozzle 7 so that the traction rope 5 can pass through the through hole.
In the embodiment, a port of one end of the guide tube 6, which is far away from the lead, is provided with a guide nozzle 7, one end of the guide nozzle 7 extends into the guide tube 6 for a certain distance, and the other end of the guide nozzle 7 is positioned outside the guide tube 6 and can be lapped on the end part of the guide tube 6; the guide nozzle 7 is provided with a through hole along the extension direction of the axis of the guide tube 6 so that the traction rope 5 passes through the guide tube 6 through the through hole; need release again after the impact member 3 is pulled high to certain distance and make its whereabouts when testing, when impact member 3 was pulled high to the assigned distance, the upper end of impact member 3 can be just leaned on with lead the mouth 7 and be located the one end counterbalance of stand pipe 6 to guarantee being pulled high to the assigned height of impact member 3.
When the traction rope 5 is pulled or released, the traction rope 5 can rub the guide nozzle 7; the end face of one end of the guide nozzle 7, which is positioned at the outer side of the guide pipe 6, is set to be arc-shaped so as to slow down the friction resistance generated in the dragging process of the traction rope 5, thereby reducing the influence of the friction resistance on the measurement result.
In one embodiment of the application, the outer wall of the impact member 3 and the inner wall of the guide tube 6 are preferably provided with a chromium coating, as shown in fig. 1 and 2.
In the embodiment, the outer wall of the impact piece 3 and the inner wall of the guide pipe 6 are both provided with chromium coatings, and the chromium coatings have high hardness and good wear resistance, so that when the impact piece 3 reciprocates in the guide pipe 6, the contact wall surfaces of the impact piece 3 and the guide pipe are not abraded due to frequent friction, and further the increase of friction resistance in the movement process is caused; and the friction coefficient, particularly the dry friction coefficient, of the chromium coating is the lowest in the metal, so that the friction resistance of the impact piece 3 in the motion process can be further reduced, and the influence of the friction resistance on the test result in the test process is relieved.
In one embodiment of the present application, preferably, as shown in fig. 1, the fixing plate 2 is a oak anvil, and an end of the impact member 3 facing the oak anvil has a hemispherical shape.
In this embodiment, the fixed plate 2 chooses for use the better oak hammering block of hardness to the life of extension fixed plate 2 guarantees that the oak hammering block can not be damaged at the in-process of strikeing repeatedly, makes fixed plate 2 can provide stable firm support to the wire 4 that awaits measuring.
The end of the impact piece 3 facing the wire 4 to be tested is hemispherical, so that the impact piece 3 can not cause additional damage to the insulating layer or the covering layer of the wire 4 to be tested while hitting the wire 4 to be tested, thereby affecting the subsequent test of the electrical breakdown voltage of the insulating layer or the covering layer of the wire 4 to be tested.
In one embodiment of the present application, preferably, as shown in fig. 1, a clamping sheet 8 is further disposed on the fixing plate 2, and the clamping sheet 8 is connected with the fixing plate 2 through a fastener; the number of the clamping pieces 8 is two, and the two clamping pieces 8 are arranged at intervals along the length direction of the wire 4 to be tested so as to clamp and fix the two ends of the wire 4 to be tested.
In this embodiment, still be provided with two holding pieces 8 relatively along the length direction of awaiting measuring wire 4 on fixed plate 2, the length direction of two holding pieces 8 is all perpendicular to the length direction of awaiting measuring wire 4, and the both ends of 8 length direction of holding pieces are connected with fixed plate 2 through the fastener to the tight wire 4 that awaits measuring that is located between holding piece 8 and fixed plate 2 that awaits measuring of clamp, thereby carry out the centre gripping through two holding pieces 8 to the both ends of 4 length direction of awaiting measuring wire and fix.
It should be noted that an elastic gasket is arranged on the surface of the clamping sheet 8 facing the side of the wire 4 to be tested, so as to prevent the wire from being damaged in the clamping process.
In one embodiment of the present application, preferably, as shown in fig. 1 and 4, two ends of the fixing plate 2 along the length direction of the lead 4 to be tested are further respectively provided with an adjusting block 9; the adjusting block 9 is formed with an inclined plane with a predetermined angle, and the adjusting block 9 is connected with the end part of the corresponding fixing plate 2 through the inclined plane; the regulating block 9 is provided with a strip hole 91, a fastener is arranged in the strip hole 91, and the regulating block 9 is connected with the support 1 through the corresponding fastener.
In the embodiment, two ends of the fixing plate 2 along the length direction of the lead 4 to be tested are respectively provided with an adjusting block 9, and are fixedly connected with the bracket 1 through the adjusting blocks 9; the adjusting block 9 comprises a top surface, a bottom surface and a side wall connecting the top surface and the bottom surface, wherein the side wall is an inclined surface with a preset inclination angle with the bottom surface; the two adjusting blocks 9 are respectively connected with the side walls of the two ends of the fixing plate 2 along the length direction of the lead 4 to be tested through the inclined planes, and then are fixedly connected with the bracket 1 through the bottom surfaces of the adjusting blocks 9.
The regulating block 9 is provided with a long hole 91 penetrating through the bottom surface and the top surface, and then the regulating block 9 is fastened on the bracket 1 through a fastener, so that the fixing plate 2 is fixed on the bracket 1 at a preset inclination angle with the horizontal direction; meanwhile, the adjusting block 9 is provided with the strip hole 91, so that the inclination angle of the fixing plate 2 can be finely adjusted to a certain extent by adding a gasket between the adjusting block 9 and the bracket 1, and the inclination angle can meet the test requirement.
The application also provides a breakdown voltage measuring system which comprises the slope impact testing device of any one of the embodiments.
In this embodiment, the breakdown voltage measurement system includes the slope impact test device, so the breakdown voltage measurement system has all the beneficial effects of the slope impact test device, and details are not repeated here.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. A slope impact test device is characterized by comprising a bracket, a fixing plate and an impact piece;
the fixing plate and the impact piece are both arranged on the bracket, and the fixing plate is used for fixing a lead to be tested;
the impact piece can move towards the fixing plate along a first direction, and the first direction and the fixing plate form a preset inclination angle, so that the impact piece can hit the lead to be tested on the fixing plate with a preset impact force and a preset inclination angle.
2. The slope impact test device according to claim 1, wherein the impact member is an impact weight, and the impact weight is hung on the bracket through a traction rope;
the impact weight can fall along the first direction under the action of gravity to hit the lead to be tested on the fixing plate; the first direction is a vertical direction.
3. The apparatus for slope impact testing according to claim 2, further comprising a guide tube;
the guide pipe is fixedly arranged on the bracket along the vertical direction, and the projection of the axis of the guide pipe along the vertical direction falls on the axis of the lead to be tested;
the impact member is located within the guide tube.
4. The slope impact test device according to claim 3, wherein the pipe wall of the guide pipe is provided with an exhaust hole;
the number of the exhaust holes is multiple, and the exhaust holes are distributed at intervals along the length direction of the guide pipe.
5. The slope impact testing device according to claim 3, wherein a port of one end of the guide pipe, which is far away from the lead wire to be tested, is provided with a guide nozzle;
one end of the guide nozzle extends into the guide pipe, and the other end of the guide nozzle extends out of the guide pipe and is lapped at the end part of the guide pipe; the end surface of one end of the guide nozzle extending out of the guide tube is arc-shaped;
a through hole is formed in the guide nozzle, so that the traction rope can penetrate through the through hole.
6. The slope impact testing device according to claim 3, wherein the outer wall of the impact piece and the inner wall of the guide pipe are both provided with a chromium plating layer.
7. The device for testing the slope impact according to claim 1, wherein the fixing plate is a oak anvil, and one end of the impact piece facing the oak anvil is hemispherical.
8. The slope impact test device according to claim 1, wherein a clamping piece is further arranged on the fixing plate, and the clamping piece is connected with the fixing plate through a fastening piece;
the number of the clamping pieces is two, and the two clamping pieces are arranged at intervals along the length direction of the wire to be tested so as to clamp and fix two ends of the wire to be tested.
9. The slope impact test device according to claim 1, wherein adjusting blocks are further respectively arranged at two ends of the fixing plate along the length direction of the lead to be tested;
the adjusting block is provided with an inclined plane with a preset angle, and the adjusting block is connected with the end part of the corresponding fixing plate through the inclined plane;
the adjusting block is provided with a long hole, a fastener is arranged in the long hole, and the adjusting block is connected with the support through the corresponding fastener.
10. A breakdown voltage measurement system comprising the apparatus for a slope impact test according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201921863225.4U CN211348507U (en) | 2019-10-31 | 2019-10-31 | Slope impact test device and breakdown voltage measurement system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921863225.4U CN211348507U (en) | 2019-10-31 | 2019-10-31 | Slope impact test device and breakdown voltage measurement system |
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| CN211348507U true CN211348507U (en) | 2020-08-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112747879A (en) * | 2020-12-31 | 2021-05-04 | 深圳优力可科技股份有限公司 | Anti-seismic property testing equipment and method for anti-seismic support and hanger component and diagonal bracing assembly |
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2019
- 2019-10-31 CN CN201921863225.4U patent/CN211348507U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112747879A (en) * | 2020-12-31 | 2021-05-04 | 深圳优力可科技股份有限公司 | Anti-seismic property testing equipment and method for anti-seismic support and hanger component and diagonal bracing assembly |
| CN112747879B (en) * | 2020-12-31 | 2024-02-20 | 深圳优力可科技股份有限公司 | Anti-seismic support and hanger component and inclined strut component anti-seismic performance testing equipment and method |
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