CN218382180U - Contact net rigid component axial force detection platform - Google Patents
Contact net rigid component axial force detection platform Download PDFInfo
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- CN218382180U CN218382180U CN202222792292.XU CN202222792292U CN218382180U CN 218382180 U CN218382180 U CN 218382180U CN 202222792292 U CN202222792292 U CN 202222792292U CN 218382180 U CN218382180 U CN 218382180U
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Abstract
The utility model relates to a contact net rigidity spare part axial atress testing platform, include: the base is vertically provided with a cross beam; a first fixing plate; the connecting rod head is provided with a second fixing plate; the connecting rod is connected with the connecting rod head and the testing machine; in the scheme, one end of a first busbar is connected with a first fixing plate, the other end of the first busbar is connected with a tested product such as an expansion joint and a rigid segmented insulator, the other end of the tested product is connected with a second busbar, the other end of the second busbar is connected with a second fixing plate, the second fixing plate is connected with a connecting rod head, and the connecting rod head is connected with a testing machine through a connecting rod; first busbar is fixed to be set up, is carried out linear motion by the test product for first busbar under the drive of testing machine, can accomplish the initial sliding force of expansion joint, the tensile failure load of flexible test and rigidity segmentation insulator repeatedly and other spare part's axial atress test.
Description
Technical Field
The utility model relates to a test device, especially a contact net rigidity spare part axial atress testing platform.
Background
The rigid overhead contact system has the advantages of compact structure, low operation cost, high reliability, simple maintenance and the like, and is widely applied to subway contact systems in recent years. With the accumulation of experience in various aspects of urban rail transit and the progress of technology, the requirements of corresponding product industry standard details are becoming stricter. For example, the expansion joint of the bus bar, the new version of the railway industry standard, namely the bus bar and parts of the rigid suspension contact network of the electrified railway, increases the requirement of repeated expansion test. Therefore, it is necessary to build an axial stress detection platform suitable for the type of component to complete the initial sliding force and repeated expansion and contraction tests of the expansion joint, the tensile failure load of the rigid section insulator and the axial stress tests of other components.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: a platform for detecting the axial stress of rigid parts of the contact network is built so as to complete the initial sliding force and repeated telescopic tests of the expansion joint and the axial stress tests of the tensile failure load of the rigid section insulator and other parts.
In order to solve the technical problem, the utility model discloses the technical scheme who takes does:
the utility model relates to a contact net rigidity spare part axial atress testing platform, include: the base is vertically provided with a cross beam; the first fixing plate is fixed on the cross beam and is suitable for being fixedly connected with the horizontal first bus bar; the connecting rod head is provided with a second fixing plate which is suitable for being fixedly connected with the horizontal second busbar; the connecting rod is connected with the connecting rod head and the testing machine; when the testing machine is started, the tested product is driven to do horizontal linear motion relative to the first bus bar;
in the scheme, one end of a first busbar is connected with a first fixing plate, the other end of the first busbar is connected with a tested product such as an expansion joint and a rigid segmented insulator, the other end of the tested product is connected with a second busbar, the other end of the second busbar is connected with a second fixing plate, the second fixing plate is connected with a connecting rod head, and the connecting rod head is connected with a testing machine through a connecting rod; the first busbar is fixedly arranged, and a tested product is driven by the testing machine to perform linear motion relative to the first busbar, so that the initial sliding force of the expansion joint, the repeated telescopic test, the tensile failure load of the rigid segmented insulator and the axial stress test of other parts can be completed.
In order to specifically explain the specific structures of the first fixing plate and the second fixing plate, the utility model adopts that the first fixing plate is provided with two; the end part of the first busbar is arranged between the two first fixing plates, and the first fixing plates and the first busbar are fixedly connected through locking pieces;
two second fixing plates are arranged; the end part of the second busbar is arranged between the two second fixing plates, and the second fixing plates and the second busbar are fixedly connected through locking pieces;
in the scheme, the first fixing plates and the second fixing plates are of plate body structures, two fixing plates are arranged, a gap is formed between the two first fixing plates, the first bus bar can be horizontally inserted into the gap, and the end parts of the two first fixing plates and the first bus bar are locked through the locking pieces, so that the end parts of the first bus bar are fixed;
similarly, the end of the second bus bar is connected with the connecting rod joint through two second fixing plates.
In order to explain the concrete structure of connecting rod structure, the utility model discloses a connecting rod head includes: the end surface of the fixed part is provided with a screw rod in threaded connection with the connecting rod, and an arc-shaped adjusting hole is formed in the fixed part; the end face of the rotating part is welded with the second fixing plate which is fixedly connected with the adjusting hole of the fixing part through a locking part; after the rotating angle of the rotating part is adjusted, the rotating part is fixed with the fixing part, so that the second fixing plate is in a vertical state;
in this scheme, through thread fixed connection between screw rod and the connecting rod, the rotation can be followed the regulation hole and carried out the rotation to the portion of rotating, locks through the retaining member afterwards, and portion of rotating this moment, fixed part both are fixed, and the second fixed plate is adjusted to vertical state, simultaneously because first fixed plate also is in vertical state, and the motion by the test product between second busbar and first busbar and being located like this can not take place to twist reverse.
When the connecting rod length is too long, the connecting rod can the downwarping, leads to the connecting rod to be connected the back with the testing machine, and the motion of connecting rod is not linear motion, and then leads to not being linear motion by experimental product, how can avoid the production of connecting rod amount of deflection, the utility model discloses a still include: a support platform; at least one fixed pulley disposed on the support platform and adapted to support the connecting rod;
through setting up at least one fixed pulley and propping against with the connecting rod, the fixed pulley can support the connecting rod, avoids the production of connecting rod amount of deflection for the axis of connecting rod is in the horizontality all the time.
In order to adjust the crossbeam to be in a horizontal state, a plurality of second adjusting holes which are vertically arranged are arranged on two sides of the base; the locking pieces on the two sides of the cross beam penetrate through the second adjusting holes to adjust the cross beam to be in a horizontal state;
pass second regulation hole through the retaining member with crossbeam and base fixed connection, the position of adjustment retaining member on the second regulation hole can be adjusted the crossbeam to suitable height and adjust the crossbeam to horizontal position for the base.
The utility model has the advantages that: the utility model relates to a contact net rigidity spare part axial atress testing platform, in this scheme, the fixed setting of first busbar is carried out linear motion for first busbar under the drive of testing machine by experimental product, can accomplish the tensile failure load of expansion joint's originated sliding force, repeated flexible test and rigidity section insulator and other spare part's axial atress test.
Drawings
The present invention will be further explained with reference to the drawings and examples.
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a schematic view of the structure of the connecting rod head of the present invention;
FIG. 3 is a schematic view of the fixing portion;
FIG. 4 is a top view of the base;
in the figure: the device comprises a base 1, a cross beam 2, a first fixing plate 3, a first bus bar 4, a connecting rod head 5, a second fixing plate 6, a second bus bar 7, a connecting rod 8, a fixing part 9, a screw rod 10, an adjusting hole 11, a rotating part 12, a supporting platform 13, a fixed pulley 14 and a second adjusting hole 15.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic drawings, which illustrate the basic structure of the present invention in a schematic manner, and thus show only the components related to the present invention.
As shown in fig. 1, the utility model relates to a contact net rigidity spare part axial atress testing platform, include: the device comprises a base 1, a beam 2 and a lifting mechanism, wherein the beam 2 is vertically arranged on the base; a first fixing plate 3 fixed to the cross beam 2 and adapted to be fixedly connected to a horizontal first busbar 4; the connecting rod head 5 is provided with a second fixing plate 6 which is suitable for being fixedly connected with a horizontal second busbar 7; a connecting rod 8 which connects the connecting rod head 5 and the testing machine; when the testing machine is started, the tested product is driven to do horizontal linear motion relative to the first bus bar 4;
in the scheme, one end of a first busbar is connected with a first fixing plate, the other end of the first busbar is connected with a tested product such as an expansion joint and a rigid segmented insulator, the other end of the tested product is connected with a second busbar, the other end of the second busbar is connected with a second fixing plate, the second fixing plate is connected with a connecting rod head, and the connecting rod head is connected with a testing machine through a connecting rod;
as shown in fig. 4, in order to specifically describe the specific structures of the first fixing plate and the second fixing plate, the present invention adopts that two first fixing plates 3 are provided; the end part of the first bus bar 4 is arranged between the two first fixing plates 3, and the first fixing plates 3 and the first bus bar 4 are fixedly connected through locking pieces;
two second fixing plates 6 are arranged; the end part of the second busbar 7 is arranged between the two second fixing plates 6, and the second fixing plates 6 and the second busbar 7 are fixedly connected through locking pieces;
in the scheme, the first fixing plates and the second fixing plates are of plate body structures, two fixing plates are arranged, and a gap is formed between the two first fixing plates, so that the first bus bar can be horizontally inserted into the gap, the two first fixing plates and the end part of the first bus bar are locked through the locking pieces, and the end part of the first bus bar is fixed;
similarly, the end of the second bus bar is connected with the connecting rod joint through two second fixing plates.
As shown in fig. 2 and 3, in order to illustrate the concrete structure of the connecting rod structure, the utility model discloses a connecting rod head includes: a screw 10 in threaded connection with the connecting rod 8 is arranged on the end surface of the fixing part 9, and an arc-shaped adjusting hole 11 is formed in the screw; the end face of the rotating part 12 is welded with a second fixing plate 6 which is fixedly connected with the adjusting hole 11 of the fixing part 12 through a locking part; after the rotating angle of the rotating part 12 is adjusted, the rotating part is fixed with the fixing part 9, so that the second fixing plate 6 is in a vertical state;
in this scheme, through screw thread fixed connection between screw rod and the connecting rod, the rotation can be followed the regulation hole and carried out the rotation to the rotation portion, locks through the retaining member afterwards, and rotation portion, fixed part both are fixed this moment, and second fixed plate adjusts to vertical state, because first fixed plate also is in vertical state simultaneously, and the second busbar can not take place to twist reverse with the motion of first busbar like this.
As shown in fig. 1, when the connecting rod length is too long, the connecting rod can the downwarping, leads to the connecting rod to be connected the back with the testing machine, and the motion of connecting rod is not linear motion, and then leads to not being linear motion by experimental product, how can avoid the production of connecting rod amount of deflection, the utility model discloses a still include: a support platform 13; at least one fixed pulley 14, which is arranged on the support platform 13 and is adapted to support the connecting rod 8;
through setting up at least one fixed pulley and propping against with the connecting rod, the fixed pulley can support the connecting rod, avoids the production of connecting rod amount of deflection for the axis of connecting rod is in the horizontality all the time.
As shown in fig. 1, in order to adjust the horizontal state of the cross beam, the utility model adopts a base 1 with a plurality of vertically arranged second adjusting holes 15 on both sides; locking pieces on two sides of the cross beam 2 penetrate through the second adjusting holes 15, so that the cross beam 2 is adjusted to be in a horizontal state;
pass second regulation hole through the retaining member with crossbeam and base fixed connection, the position of adjustment retaining member on the second regulation hole can be adjusted the crossbeam to suitable height and adjust the crossbeam to horizontal position for the base.
It should be noted that the locking member in this embodiment includes, but is not limited to, a combination of a screw and a nut.
The utility model relates to a contact net rigidity spare part axial atress testing platform, in this scheme, the fixed setting of first busbar is carried out linear motion for first busbar under the drive of testing machine by experimental product, can accomplish the initial sliding force of expansion joint, stretch out and draw back test and the tensile failure load of rigidity segmentation insulator and other spare part's axial atress test repeatedly.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (6)
1. The utility model provides a contact net rigidity spare part axial atress testing platform which characterized in that includes:
the base is vertically provided with a cross beam;
the first fixing plate is fixed on the cross beam and is suitable for being fixedly connected with the horizontal first bus bar;
the connecting rod head is provided with a second fixing plate which is suitable for being fixedly connected with the horizontal second busbar;
the connecting rod is connected with the connecting rod head and the testing machine;
when the testing machine is started, the tested product is driven to do horizontal linear motion relative to the first bus bar.
2. The platform for detecting the axial stress of the rigid part of the overhead line system as claimed in claim 1, wherein two first fixing plates are provided;
the end part of the first bus bar is arranged between the two first fixing plates, and the first fixing plates and the first bus bar are fixedly connected through locking pieces.
3. The platform for detecting the axial stress of the rigid part of the overhead line system as claimed in claim 1, wherein two second fixing plates are provided;
the end part of the second busbar is arranged between the two second fixing plates, and the second fixing plates and the second busbar are fixedly connected through locking pieces.
4. The platform of claim 1 for detecting axial stress on a rigid component of a contact line, wherein the connecting rod head comprises:
the end surface of the fixed part is provided with a screw rod in threaded connection with the connecting rod, and an arc-shaped adjusting hole is formed in the fixed part;
the end face of the rotating part is welded with the second fixing plate which is fixedly connected with the adjusting hole of the fixing part through a locking part;
after the rotating angle of the rotating part is adjusted, the rotating part is fixed with the fixing part, so that the second fixing plate is in a vertical state.
5. The platform of claim 1 for detecting axial stress on a rigid component of a catenary, further comprising:
a support platform;
at least one fixed pulley disposed on the support platform and adapted to support the connecting rod.
6. The platform for detecting the axial stress of the rigid part of the overhead line system according to claim 1, wherein a plurality of second vertically-arranged adjusting holes are formed in two sides of the base;
the locking pieces on the two sides of the cross beam penetrate through the second adjusting holes, and the cross beam is adjusted to be in a horizontal state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222792292.XU CN218382180U (en) | 2022-10-21 | 2022-10-21 | Contact net rigid component axial force detection platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222792292.XU CN218382180U (en) | 2022-10-21 | 2022-10-21 | Contact net rigid component axial force detection platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218382180U true CN218382180U (en) | 2023-01-24 |
Family
ID=84932149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222792292.XU Active CN218382180U (en) | 2022-10-21 | 2022-10-21 | Contact net rigid component axial force detection platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218382180U (en) |
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2022
- 2022-10-21 CN CN202222792292.XU patent/CN218382180U/en active Active
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