CN213209791U - Device suitable for fatigue test is carried out to pre-buried channel monomer - Google Patents
Device suitable for fatigue test is carried out to pre-buried channel monomer Download PDFInfo
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- CN213209791U CN213209791U CN202022349044.9U CN202022349044U CN213209791U CN 213209791 U CN213209791 U CN 213209791U CN 202022349044 U CN202022349044 U CN 202022349044U CN 213209791 U CN213209791 U CN 213209791U
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Abstract
The utility model discloses a device suitable for pre-buried channel monomer carries out fatigue test relates to fatigue test device's technical field. The device comprises a lower sleeve lower hinge seat, a lower connecting plate and a fatigue testing platform which are sequentially connected with a fixed end anchor bolt of a pre-buried channel monomer, and an upper suspension piece, an upper sleeve, an upper hinge seat, a fatigue actuator and an actuator mounting frame which are sequentially connected with a loading end anchor bolt of the pre-buried channel monomer; one end of each of the lower sleeve and the upper sleeve is processed into a hinge plate, the other end of each of the lower sleeve and the upper sleeve is processed with an internal threaded hole, and the mounting directions of the two hinge plates are mutually vertical; one end of each of the lower hinge seat and the upper hinge seat is a threaded section, and the other end of each of the lower hinge seat and the upper hinge seat is processed into a U-shaped structure; the upper suspension member is composed of a stud and a hook, and an open slot with a T-shaped longitudinal section is processed at the middle lower part of the hook. Utilize the utility model discloses can carry out fatigue performance's detection to the pre-buried channel monomer circulation loading of multiple specification, equipment convenience, easy operation, safe in utilization, commonality are strong.
Description
Technical Field
The utility model relates to a technical field of fatigue test device, more specifically say a device suitable for pre-buried channel monomer carries out fatigue test.
Background
The back of the embedded channel monomer is anchored with the rivet, so that the channel and concrete can be tightly linked, stable stress of a channel steel system is ensured, the turned edge of the channel is provided with the sawteeth, and the T-shaped bolt and the tooth cushion teeth are completely matched to form firm mechanical engagement, so that impact and vibration loads can be effectively resisted, and loosening and sliding are avoided. Because the pre-buried channel monomer has flexible structure and good performance, so all be used widely in the pipe gallery in city, subway, high-speed railway and tunnel. But the single embedded channel also has weak links in the use process: the embedded channel monomer generally welds with peripheral connector after earlier with back rivet anchor when using, because the instability of technology often leads to the embedded channel monomer to suffer destruction and inefficacy in advance in the use, can seriously influence the security of engineering, consequently carry out fatigue test to the embedded channel monomer in advance and learn its fatigue performance very necessary, can avoid the embedded channel monomer to appear quality accidents such as fracture, rivet fracture in later stage use effectively. But at present, no device suitable for fatigue test of the embedded channel monomer exists.
Disclosure of Invention
The utility model aims at providing a device suitable for pre-buried channel monomer carries out fatigue test just to the weak point that exists among the above-mentioned prior art. Utilize the utility model discloses can carry out fatigue performance's detection to the pre-buried channel monomer cyclic loading of multiple specification, learn the free fatigue performance of pre-buried channel and life in advance before pre-buried use, and then avoid the pre-buried channel monomer to appear quality accidents such as fracture, rivet fracture in the later stage use effectively, have equipment convenience, easy operation, safe in utilization, advantage that the commonality is strong.
The purpose of the utility model can be realized by the following technical measures:
the utility model discloses a device suitable for pre-buried channel monomer carries out fatigue test includes the lower sleeve that links to each other in proper order with the stiff end crab-bolt of pre-buried channel monomer, lower hinge seat, lower connecting plate, fatigue test platform, the last pendant, upper sleeve, upper hinge seat, fatigue actuator, actuator mounting bracket that link to each other in proper order with the loading end crab-bolt of pre-buried channel monomer, connect as an organic whole through lower sleeve, lower hinge seat, lower connecting plate that link to each other in proper order between the fatigue test platform and the fixed side of pre-buried channel monomer, can provide counter-force support for pre-buried channel monomer, connect as an organic whole through the last pendant, upper sleeve, upper hinge seat that link to each other in proper order between the loading side of pre-buried channel monomer and the fatigue actuator, can transmit the cyclic loading force to pre-buried channel monomer, just so can smoothly carry out fatigue test to pre-buried channel monomer, fatigue performance and life of pre-buried channel, thereby effectively avoiding quality accidents such as cracking, rivet fracture and the like of the embedded channel monomer in the later use process); one end of each of the lower sleeve and the upper sleeve is processed into a hinge plate with a middle position, the other end of each of the lower sleeve and the upper sleeve is processed with an internal threaded hole, the mounting directions of the two hinge plates are mutually vertical, and one hinge plate is perpendicular to the length direction of the embedded channel monomer (namely, the directions of the pin shafts in the two groups of hinges are ensured to be mutually vertical, so that the utility model has a rotation adjusting function in the left direction, the right direction, the front direction and the rear direction, and can prevent the embedded channel monomer from generating additional bending stress when bearing alternating load due to improper mounting); one end of each of the lower hinge seat and the upper hinge seat is a threaded section, and the other end of each of the lower hinge seat and the upper hinge seat is processed into a U-shaped structure for embedding a hinged hinge plate (the hinge plate is embedded with the U-shaped structure and then a pin shaft is installed to form a hinge); the upper suspension piece is composed of a stud matched with the inner threaded hole of the upper sleeve and a hook screwed at the bottom of the stud, and an open slot (used for hanging a loading end anchor bolt and being capable of adapting to a round rivet head or a loading end anchor bolt of a T-shaped rivet head) with a T-shaped longitudinal section is processed at the middle lower part of the hook.
The utility model discloses in the U type structure of lower hinge seat corresponds assorted position with lower telescopic hinge plate go up the U type structure of hinge seat and last telescopic hinge plate and correspond assorted position and all join in marriage the processing and have the pinhole that is used for wearing the dress round pin axle (wear to adorn round pin axle in the pinhole after, can realize that lower hinge seat and lower telescopic are articulated fast, go up hinge seat and last telescopic are articulated fast).
In the utility model, the inner surface of the central hole of the lower connecting plate is provided with an internal thread matched with the thread section of the lower hinge seat (which is convenient for the lower connecting plate to be quickly connected with the lower hinge seat); four bolt holes for penetrating bolts are symmetrically processed at the edge of the lower connecting plate, six threaded holes for installing the bolts are formed in corresponding positions on the fatigue test platform (the lower connecting plate can be quickly fixed on the fatigue test platform after the bolts are penetrated, and the purpose of stably transferring load is achieved).
The utility model discloses in go up the screw thread section specification of hinge seat and fatigue actuator's the internal thread specification phase-match of being connected.
The utility model discloses in the internal thread hole of lower sleeve and the free stiff end crab-bolt phase-match of buried channel (be convenient for on the one hand lower sleeve and the free high-speed joint of buried channel and quick dismantlement, on the other hand through change with stiff end crab-bolt assorted lower sleeve, just can the connection demand of the different diameter stiff end crab-bolts of quick adjustment and adaptation, improved the utility model discloses a commonality.
The utility model discloses in go up telescopic internal thread hole and the double-screw bolt phase-match of last suspension member (be convenient for go up the upper end of sleeve and double-screw bolt and carry out the high-speed joint).
The working principle of the utility model is as follows:
the utility model discloses a pass power spare part and link to each other the free fixed side of embedded channel with fatigue test platform and transmit the counter-force and support, link to each other the free loading side of embedded channel with fatigue actuator through passing power spare part and transmit the circulation loading power, simulate embedded channel monomer atress in pre-buried use with this, just so can carry out fatigue test to the embedded channel monomer smoothly, learn the free fatigue performance and the life of embedded channel in advance before pre-buried use, and then avoid the embedded channel monomer to appear the fracture in the later stage use effectively, quality accidents such as rivet fracture. More specifically, the fixed side of the embedded channel monomer and the fatigue test platform are connected into a whole through a lower sleeve, a lower hinge seat and a lower connecting plate which are sequentially connected, and the embedded channel monomer can be supported in a counter force mode. The loading side of the embedded channel monomer and the fatigue actuator are connected into a whole through the upper suspension piece, the upper sleeve and the upper hinge seat which are sequentially connected, and the cyclic loading force can be transmitted to the embedded channel monomer. And simultaneously, the utility model provides a pass through threaded connection, round pin hub connection between each power spare part, have equipment convenience, easy operation's advantage. In addition, because the round pin axle direction in two sets of articulations is mutually perpendicular, like this the utility model discloses left and right sides, two directions all have the rotation regulatory function around, can prevent to produce additional bending stress when bearing alternating load because the improper pre-buried channel monomer of installation, have safe in utilization's advantage. In addition, the hook in the utility model is provided with an open slot which can adapt to a loading end anchor bolt for hanging a round rivet head or a T-shaped rivet head; the lower sleeve is convenient to disassemble, and the lower sleeve with the internal thread hole matched with the fixed end anchor bolt can be selected and replaced to quickly adjust and adapt to the connection requirements of the fixed end anchor bolts with different diameters; the hook and the lower sleeve are greatly improved, the utility model has the advantages of universality.
The utility model has the advantages of as follows:
utilize the utility model discloses can carry out fatigue performance's detection to the pre-buried channel monomer cyclic loading of multiple specification, learn the free fatigue performance of pre-buried channel and life in advance before pre-buried use, and then avoid the pre-buried channel monomer to appear quality accidents such as fracture, rivet fracture in the later stage use effectively, have equipment convenience, easy operation, safe in utilization, advantage that the commonality is strong.
Drawings
Fig. 1 is a front view of the structure of the present invention.
Fig. 2 is a left side view of fig. 1.
The sequence numbers in the figures illustrate: 1. the fatigue testing device comprises a fatigue actuator, 2 parts of an upper hinge seat, 3 parts of an upper suspension member, 3 parts of 1 part of a stud, 3 parts of 2 parts of a hook, 3 parts of 2 parts of 1 part of an open slot with a T-shaped longitudinal section, 4 parts of a pre-buried channel monomer, 4 parts of 1 part of a fixed end anchor bolt, 4 parts of 2 parts of a loading end anchor bolt, 5 parts of a lower sleeve, 5 parts of 1 part of a hinge plate, 6 parts of a lower hinge seat, 6 parts of 1 part of a U-shaped structure, 7 parts of a lower connecting plate, 8 parts of a fatigue testing platform, 9 parts of an upper sleeve, 10 parts of a pin shaft, 11 parts of a pin hole.
Detailed Description
The utility model is further described with the following figures:
as shown in figures 1 and 2, the device suitable for fatigue test of the pre-buried channel monomer comprises a lower sleeve 5, a lower hinge seat 6, a lower connecting plate 7 and a fatigue test platform 8 which are sequentially connected with a fixed end anchor bolt 4-1 of the pre-buried channel monomer 4, an upper suspension 3, an upper sleeve 9, an upper hinge seat 2, a fatigue actuator 1 and an actuator mounting frame 12 which are sequentially connected with a loading end anchor bolt 4-2 of the pre-buried channel monomer 4 (the fixed side of the pre-buried channel monomer 4 is connected with the fatigue test platform 8 into a whole through the lower sleeve 5, the lower hinge seat 6 and the lower connecting plate 7 which are sequentially connected with each other to provide counter-force support for the pre-buried channel monomer 4), the loading side of the pre-buried channel monomer 4 is connected with the fatigue actuator 1 into a whole through the upper suspension 3, the upper sleeve 9 and the upper hinge seat 2 which are sequentially connected with each other, the cyclic loading force can be transmitted to the embedded channel single body 4. Therefore, the fatigue test of the single embedded channel 4 can be smoothly carried out, the fatigue performance and the service life of the single embedded channel 4 can be known in advance before the embedded use, and further the quality accidents of cracking, rivet fracture and the like in the later use process of the single embedded channel can be effectively avoided); one end of each of the lower sleeve 5 and the upper sleeve 9 is processed into a hinge plate 5-1 with a middle position, the other end is processed with an internal threaded hole, the mounting directions of the two hinge plates 5-1 are mutually vertical, and one of the two hinge plates is perpendicular to the length direction of the pre-buried channel monomer 4 (namely, the directions of the pin shafts 10 in the two groups of hinges are mutually vertical, so that the utility model has the rotation adjusting function in the left and right directions, the front and the back directions, and can prevent the generation of additional bending stress when the pre-buried channel monomer 4 is subjected to alternating load due to improper mounting); one end of each of the lower hinge seat 6 and the upper hinge seat 2 is a threaded section, and the other end of each of the lower hinge seat and the upper hinge seat is processed into a U-shaped structure 6-1 for embedding the hinged hinge plate 5-1 (the hinge plate 5-1 is embedded with the U-shaped structure 6-1 and then a pin shaft 10 is installed to form a hinge); the upper suspension member 3 is composed of a stud 3-1 matched with an internal threaded hole of the upper sleeve 9 and a hook 3-2 screwed at the bottom of the stud 3-1, and an open slot 3-2-1 (used for hanging a loading end anchor bolt 4-2 and capable of adapting to a round rivet head or a loading end anchor bolt 4-2 of a T-shaped rivet head) with a T-shaped longitudinal section is processed at the middle lower part of the hook.
In the utility model, the U-shaped structure 6-1 of the lower hinge seat 6 corresponds to the matched position with the hinge plate 5-1 of the lower sleeve 5, and the U-shaped structure 6-1 of the upper hinge seat 2 corresponds to the matched position with the hinge plate 5-1 of the upper sleeve 9, and a pin hole 11 for mounting a pin shaft 10 is processed (after the pin shaft 10 is mounted in the pin hole 11, the quick hinge of the lower hinge seat 6 and the lower sleeve 5 and the quick hinge of the upper hinge seat 2 and the upper sleeve 9 can be realized).
In the utility model, the inner surface of the central hole of the lower connecting plate 7 is provided with an internal thread matched with the thread section of the lower hinge seat 6 (which is convenient for the quick connection between the lower connecting plate 7 and the lower hinge seat 6); four bolt holes for penetrating bolts 13 are symmetrically processed at the edge of the lower connecting plate 7, six threaded holes for installing the bolts 13 are formed in corresponding positions on the fatigue test platform 8 (the lower connecting plate 7 can be quickly fixed on the fatigue test platform 8 after the bolts 13 are penetrated, and the purpose of stably transferring load is achieved).
The utility model discloses in go up hinge seat 2's screw thread section specification and fatigue actuator 1's connection internal thread specification phase-match.
The utility model discloses in the internal thread hole of lower sleeve 5 and pre-buried channel monomer 4's stiff end crab-bolt 4-1 phase-match (be convenient for the lower sleeve 5 and pre-buried channel monomer 4's quick connection and quick dismantlement on the one hand; on the other hand through change with stiff end crab-bolt 4-1 assorted lower sleeve 5, just can quick adjustment and adapt to different diameter stiff end crab-bolts 4-1's connection demand, improved the utility model discloses a commonality.
In the utility model, the inner thread hole of the upper sleeve 9 is matched with the stud 3-1 of the upper suspension member 3 (which is convenient for the upper sleeve 9 to be quickly connected with the upper end of the stud 3-1).
The utility model discloses a concrete in service behavior as follows:
firstly, the thread section of the lower hinge seat 6 is screwed into the internal thread central hole of the lower connecting plate 7, and the two are connected into a whole in a thread combination mode. And then, fixing the lower connecting plate 7 on the fatigue test platform 8 through bolts, and ensuring that the groove length of the U-shaped structure 6-1 in the lower hinge seat 6 is in the left-right direction (consistent with the length direction of the embedded channel single body 4 to be installed). Subsequently, the screw thread of the upper hinge base 2 is screwed into the screw hole of the fatigue actuator 1, so that the upper hinge base 2 and the fatigue actuator 1 are connected integrally. Subsequently, the fatigue actuator 1 is fixed on the actuator mounting frame 12, and the groove length of the U-shaped structure 6-1 in the upper hinge base 2 is adjusted to be in the front-back direction (perpendicular to the length direction of the embedded channel single body 4 to be installed). Then, the upper end of a stud 3-1 in the upper suspension member 3 is screwed into a threaded hole of an upper sleeve 9, and the lower end of the stud 3-1 is screwed into a threaded hole of a hook 3-2, so that the upper sleeve 9 and the upper suspension member 3 are combined together. Then, the embedded channel single body 4 is horizontally placed, the loading end anchor bolt 4-2 fixed to the lower curled edge of the embedded channel single body 4 is screwed into the threaded hole of the lower sleeve 5, the curled edge 4-1 and the fixed end anchor bolt 4-1 fixed to the embedded channel single body 4 are hung in the T-shaped open slot 3-2-1 in the hook 3-2, the length direction of the hinge plate 5-1 in the upper sleeve 9 is perpendicular to the length direction of the embedded channel single body 4, and the length direction of the hinge plate 5-1 in the lower sleeve 5 is consistent with the length direction of the embedded channel single body 4. Subsequently, the mounting pin 10 hinges the upper sleeve 9 and the upper hinge base 2 together, and hinges the lower hinge base 6 and the lower sleeve 5 together. And finally, starting the fatigue actuator 1 to carry out cyclic loading fatigue test on the embedded channel monomer 4 so as to simulate the stress of the embedded channel monomer in the embedding use process, and acquiring the fatigue performance and the service life of the embedded channel monomer 4 in advance before embedding use.
Claims (6)
1. The utility model provides a device suitable for pre-buried channel monomer carries out fatigue test which characterized in that: the device comprises a lower sleeve (5), a lower hinge seat (6), a lower connecting plate (7), a fatigue test platform (8) which are sequentially connected with a fixed end anchor bolt (4-1) of a pre-buried channel monomer (4), and an upper suspension (3), an upper sleeve (9), an upper hinge seat (2), a fatigue actuator (1) and an actuator mounting frame (12) which are sequentially connected with a loading end anchor bolt (4-2) of the pre-buried channel monomer (4); one end of each of the lower sleeve (5) and the upper sleeve (9) is processed into a hinge plate (5-1) with a central position, the other end of each of the lower sleeve and the upper sleeve is processed with an internal threaded hole, the installation directions of the two hinge plates (5-1) are mutually vertical, and one of the two hinge plates is vertical to the length direction of the embedded channel single body (4); one end of each of the lower hinge seat (6) and the upper hinge seat (2) is a threaded section, and the other end of each of the lower hinge seat and the upper hinge seat is processed into a U-shaped structure (6-1) for embedding the hinged hinge plate (5-1); the upper suspension member (3) is composed of a stud (3-1) matched with the internal threaded hole of the upper sleeve (9) and a hook (3-2) screwed at the bottom of the stud (3-1), and an open slot (3-2-1) with a T-shaped longitudinal section is processed at the middle lower part of the hook.
2. The device suitable for the embedded channel monomer to carry out the fatigue test of claim 1, characterized in that: the U-shaped structure (6-1) of the lower hinge seat (6) corresponds to the hinge plate (5-1) of the lower sleeve (5) in a matched position, and the U-shaped structure (6-1) of the upper hinge seat (2) corresponds to the hinge plate (5-1) of the upper sleeve (9) in a matched position and is provided with a pin hole (11) for penetrating a pin shaft (10).
3. The device suitable for the embedded channel monomer to carry out the fatigue test of claim 1, characterized in that: the inner surface of the central hole of the lower connecting plate (7) is provided with an internal thread matched with the thread section of the lower hinge seat (6); four bolt holes for penetrating bolts (13) are symmetrically processed at the edge of the lower connecting plate (7), and six threaded holes for mounting the bolts (13) are formed in corresponding positions on the fatigue test platform (8).
4. The device suitable for the embedded channel monomer to carry out the fatigue test of claim 1, characterized in that: and the specification of the thread section of the upper hinge seat (2) is matched with the specification of the connecting internal thread of the fatigue actuator (1).
5. The device suitable for the embedded channel monomer to carry out the fatigue test of claim 1, characterized in that: the inner threaded hole of the lower sleeve (5) is matched with a fixed end anchor bolt (4-1) of the embedded channel single body (4).
6. The device suitable for the embedded channel monomer to carry out the fatigue test of claim 1, characterized in that: the inner threaded hole of the upper sleeve (9) is matched with the stud (3-1) of the upper suspension member (3).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022349044.9U CN213209791U (en) | 2020-10-21 | 2020-10-21 | Device suitable for fatigue test is carried out to pre-buried channel monomer |
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| CN202022349044.9U CN213209791U (en) | 2020-10-21 | 2020-10-21 | Device suitable for fatigue test is carried out to pre-buried channel monomer |
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| CN213209791U true CN213209791U (en) | 2021-05-14 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113267115A (en) * | 2021-06-03 | 2021-08-17 | 中钢集团郑州金属制品研究院有限公司 | Embedded casing perpendicularity detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113267115A (en) * | 2021-06-03 | 2021-08-17 | 中钢集团郑州金属制品研究院有限公司 | Embedded casing perpendicularity detection device |
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Address after: No.26, Huahua Road, high tech Development Zone, Zhengzhou, Henan Province, 450001 Patentee after: Sinosteel Zhengzhou metal products Research Institute Co.,Ltd. Patentee after: SINOSTEEL GROUP NANJING NEW MATERIAL RESEARCH INSTITUTE Co.,Ltd. Address before: No.26, Huahua Road, high tech Development Zone, Zhengzhou, Henan Province, 450001 Patentee before: SINOSTEEL ZHENGZHOU RESEARCH INSTITUTE OF STEEL WIRE & STEEL PRODUCTS Co.,Ltd. Patentee before: SINOSTEEL GROUP NANJING NEW MATERIAL RESEARCH INSTITUTE Co.,Ltd. |