CN211955013U - Novel detection device for horizontal thrust test of steel structure railing of pedestrian bridge - Google Patents
Novel detection device for horizontal thrust test of steel structure railing of pedestrian bridge Download PDFInfo
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- CN211955013U CN211955013U CN202020631054.9U CN202020631054U CN211955013U CN 211955013 U CN211955013 U CN 211955013U CN 202020631054 U CN202020631054 U CN 202020631054U CN 211955013 U CN211955013 U CN 211955013U
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Abstract
The utility model discloses a novel detection apparatus of horizontal thrust test of pedestrian bridge steel construction railing, steel sheet, counter-force post staple bolt cap, counter-force post staple bolt nut, counter-force post staple bolt screw rod and crossbeam under steel sheet, counter-force post go up steel sheet on the counter-force post staple bolt, counter-force post are including counter-force post base, fixed key, counter-force post shaft, counter-force post staple bolt. The utility model discloses novel detection device of horizontal thrust test of pedestrian overpass steel construction railing, arrange the displacement of a percentage table monitoring railing cylinder horizontal direction on load pressure application point next door, the displacement meter through the tripod top carries out the record of displacement to the glass piece, five grades are loaded when experimental formally begins, observe the numerical value of displacement meter constantly in loading process, the device can effectually reduce equipment volume, can carry out the dismouting simultaneously, and convenient to carry can accomplish the detection of equidimension overpass not simultaneously, can not lead to the overpass impaired during the detection.
Description
Technical Field
The utility model relates to a pedestrian bridge technical field specifically is a novel detection device of horizontal thrust test of pedestrian bridge steel construction railing.
Background
The pedestrian bridge is an elevated building specially used for pedestrian traffic, combines the functions of a square and the pedestrian bridge, and is connected with the building. Pedestrian-only sidewalks, with elevated roads separated from the sidewalks.
For the horizontal thrust of the steel structure railings of the pedestrian overpass, relevant provisions are made for the horizontal thrust test detection of the railings of the pedestrian overpass in urban bridge detection and assessment technical specifications, namely the static load test loading of the pedestrian overpass is uniformly distributed along the bridge span according to a crowd load design value; when the loading condition is limited, the device can be arranged according to the equivalent uniform force of the static force or the multipoint concentrated force, but the local stress safety of the structure is ensured.
The detection research of the horizontal thrust test of the handrail is in the initial stage, no corresponding standard or standard is used for clarifying the detection method and steps, and the detection equipment or instrument is specified, so that the existing detection device has certain defects, the existing equipment has large space and more hands, cannot be disassembled, is inconvenient to carry, has limitation on detection targets, cannot detect when the width is wide, and can influence the normal passing capacity of the overpass, and the overpass can be damaged in the detection process, so that the detection is not facilitated.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a novel detection device of horizontal thrust test of pedestrian overpass steel construction railing, can effectually reduce the equipment volume, can carry out the dismouting simultaneously, portable can accomplish the detection of equidimension overpass not simultaneously, can not lead to the overpass impaired during the detection, can solve the problem among the prior art.
In order to achieve the above object, the utility model provides a following technical scheme: a novel detection device for horizontal thrust test of steel structure railings of pedestrian overpasses comprises a counter-force column base, fixed keys, a counter-force column body, a counter-force column hoop upper steel plate, a counter-force column upper steel plate hook key, a counter-force column hoop lower steel plate, a counter-force column hoop bolt cap, a counter-force column hoop nut, a counter-force column hoop screw and a cross beam, wherein the fixed keys are fixedly arranged on the counter-force column base, the counter-force column body is arranged between the two fixed keys, the counter-force column hoop upper steel plate is arranged on the counter-force column body, the counter-force column hoop upper steel plate is provided with the counter-force column upper steel plate hook key, the counter-force column hoop lower steel plate is arranged on the inner side of the counter-force column hoop upper steel plate, the counter-force column hoop upper steel plate is fixedly provided with the counter-force column bolt screw, the counter-force column hoop screw penetrates through the counter-force column hoop nut, the counter-force column hoop bolt cap is fixedly arranged on the outer, one side fixedly connected with crossbeam that reaction column shaft was kept away from to steel sheet under the reaction column staple bolt.
Preferably, the crossbeam is provided with a positioning hole, one end of the crossbeam, which is far away from the steel plate under the counter-force column hoop, is provided with a pressure sensor system, one side of the pressure sensor system is provided with a jack system, a fixing rib is arranged below the jack system, and the fixing rib is fixedly installed on the crossbeam.
Preferably, one side that the crossbeam kept away from under the reaction column staple bolt steel sheet is equipped with steel sheet on the fixed end, and the below of steel sheet is equipped with steel sheet under the fixed end on the fixed end, and the both sides of steel sheet all are equipped with fixation nut under the fixed end, and the both sides of steel sheet all are equipped with clamping screw on the fixed end, and clamping screw's the outside is equipped with fixation nut, is equipped with railing handrail under steel sheet and the fixed end on the fixed end between the steel sheet.
Preferably, the bottom fixedly connected with railing post of railing armrest, the bottom fixed mounting of railing post is on the steel sheet on the base staple bolt, one side of steel sheet is equipped with steel sheet steel pipe on the base staple bolt, the bolt hole has been seted up on the steel sheet steel pipe on the base staple bolt, the one end that steel sheet steel pipe kept away from on the base staple bolt is equipped with steel sheet hook hole on the base staple bolt, be connected with the steel wire fastening rope on the steel sheet hook hole on the base staple bolt, the other end fixed connection of steel wire fastening rope is on steel sheet hook key on the counter-force post, the top of steel sheet is equipped with steel sheet under the base staple bolt on the base staple bolt, fixed mounting has base staple bolt on the steel sheet under the base staple bolt, the bottom fixed mounting of steel sheet is on railing base on the base, the inboard of railing base is equipped with the bolt pole, the inboard of.
Preferably, railing base fixed mounting is on the roof beam body, and the top of the roof beam body is equipped with the tripod, and the top of tripod is equipped with the displacement meter, and the outside of displacement meter is equipped with the glass piece, and glass piece fixed mounting is on railing handrail.
Preferably, one end of the reaction column fixing steel pipe is fixedly connected with a reaction column base, and the other end of the reaction column fixing steel pipe is connected to the bolt rod.
Preferably, the steel plate hook key on the reaction column is fixedly arranged on the steel plate on the hoop of the reaction column.
Compared with the prior art, the beneficial effects of the utility model are as follows:
the utility model discloses a novel detection device of pedestrian bridge steel construction railing horizontal thrust test selects two measurement stations on the railing cylinder, selects the railing handrail between two stands of railing cylinder as the load point of application, arranges a percentage table next to the load point of application and monitors the displacement of railing cylinder horizontal direction, carry out the record of displacement to the glass piece through the displacement meter at tripod top, five grades load when the test formally begins, observe the numerical value of displacement meter constantly in the loading process, if the numerical value exceeds the standard limit value, confirm to terminate the test after causing because of railing cylinder structural deformation, and record corresponding load numerical value, each grade of load time interval should satisfy the time requirement that the structural reaction is stable, carefully observe the railing cylinder change in stable time, railing component and anchor end have phenomenons such as fracture, not hard up, and record railing deflection value, the device can effectually reduce the equipment volume, can carry out the dismouting simultaneously, and portable can accomplish the detection of equidimension overpass not simultaneously, can not lead to the overpass impaired during the detection.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of the reaction column base of the present invention;
FIG. 3 is an enlarged view of the steel plate of the reaction column hoop of the present invention;
FIG. 4 is an enlarged view of the cross beam of the present invention;
FIG. 5 is an enlarged view of the steel plate and steel pipe of the base hoop of the present invention;
fig. 6 is an enlarged view of the tripod according to the present invention.
In the figure: 1. a reaction column base; 2. a fixed key; 3. a reaction column body; 4. a steel plate is arranged on the reaction column hoop; 5. a steel plate hook key is arranged on the counterforce column; 6. a steel plate is arranged under the counter-force column hoop; 7. a reaction column hoop bolt cap; 8. a reaction column hoop nut; 9. a reaction column hoop screw; 10. a cross beam; 11. a positioning hole; 12. a pressure sensor system; 13. a jack system; 14. fixing the ribs; 15. a steel plate is arranged on the fixed end; 16. a steel plate below the fixed end; 17. fixing a nut; 18. fixing the screw rod; 19. fixing a nut; 20. a balustrade handrail; 21. a railing cylinder; 22. a steel plate is arranged on the base hoop; 23. steel plate and steel pipe are arranged on the base hoop; 24. a pin hole; 25. a steel plate hook hole is arranged on the base hoop; 26. a steel plate is arranged under the base hoop; 27. a base anchor ear bolt; 28. a railing base; 29. the steel wire fastens the rope; 30. the reaction column fixes the steel pipe; 31. a latch rod; 32. a beam body; 33. a glass sheet; 34. a displacement meter; 35. a tripod.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.
Referring to fig. 1-5, a novel detection device for horizontal thrust test of steel structure railings of pedestrian overpasses comprises a reaction column base 1, a fixed key 2, a reaction column shaft 3, an upper reaction column hoop steel plate 4, an upper reaction column hoop steel plate hook key 5, a lower reaction column hoop steel plate 6, a reaction column hoop bolt cap 7, a reaction column hoop nut 8, a reaction column hoop screw 9 and a cross beam 10, wherein the upper reaction column base 1 is fixedly provided with the fixed key 2, the reaction column shaft 3 is arranged between the two fixed keys 2, the upper reaction column hoop steel plate 4 is arranged on the reaction column shaft 3, the upper reaction column hoop steel plate hook key 5 is arranged on the upper reaction column hoop steel plate 4, the upper reaction column hoop steel plate hook key 5 is fixedly arranged on the upper reaction column hoop steel plate 4, the inner side of the upper reaction column hoop steel plate 4 is provided with the lower reaction column hoop steel plate 6, the upper reaction column hoop steel plate 4 is fixedly arranged with the reaction column hoop screw 9, a reaction column hoop screw 9 penetrates through a reaction column hoop nut 8, a reaction column hoop bolt cap 7 is fixedly installed on the outer side of the reaction column hoop screw 9, a cross beam 10 is fixedly connected to one side, away from a reaction column body 3, of a steel plate 6 under the reaction column hoop, a positioning hole 11 is formed in the cross beam 10, a pressure sensor system 12 is arranged at one end, away from the steel plate 6 under the reaction column hoop, of the cross beam 10, a jack system 13 is arranged at one side of the pressure sensor system 12, a fixing rib 14 is arranged below the jack system 13, the fixing rib 14 is fixedly installed on the cross beam 10, a fixing end upper steel plate 15 is arranged at one side, away from the steel plate 6 under the reaction column hoop, of the cross beam 10, a fixing end lower steel plate 16 is arranged below the fixing end upper steel plate 15, fixing nuts 17 are arranged at two sides of the fixing end lower steel plate 16, fixing nuts 17 are arranged at two sides of the fixing end upper steel plate, a handrail 20 is arranged between the fixed end upper steel plate 15 and the fixed end lower steel plate 16, the bottom end of the handrail 20 is fixedly connected with a handrail cylinder 21, the bottom end of the handrail cylinder 21 is fixedly arranged on a base hoop upper steel plate 22, one side of the base hoop upper steel plate 22 is provided with a base hoop upper steel plate steel pipe 23, the base hoop upper steel plate steel pipe 23 is provided with a bolt hole 24, one end of the base hoop upper steel plate steel pipe 23 far away from the base hoop upper steel plate 22 is provided with a base hoop upper steel plate hook hole 25, the base hoop upper steel plate hook hole 25 is connected with a steel wire fastening rope 29, the other end of the steel wire fastening rope 29 is fixedly connected on a counter-force column upper steel plate hook key 5, the top end of the base hoop upper steel plate 22 is provided with a base hoop lower steel plate 26, the base hoop lower steel plate 26 is fixedly provided with a base hoop bolt 27, the bottom end of the base hoop upper steel plate 22 is fixedly arranged on a handrail, the inboard of railing base 28 is equipped with bolt pole 31, and the inboard of bolt pole 31 is equipped with the fixed steel pipe of reaction post 30, and the one end fixedly connected with reaction post base 1 of the fixed steel pipe of reaction post 30, the other end of the fixed steel pipe of reaction post 30 is connected on bolt pole 31.
Referring to fig. 6, the balustrade base 28 is fixedly mounted on the beam 32, a tripod 35 is disposed on the top of the beam 32, a displacement meter 34 is disposed on the top of the tripod 35, a glass sheet 33 is disposed on the outer side of the displacement meter 34, the glass sheet 33 is fixedly mounted on the balustrade handrail 20, two measurement points are selected on the balustrade column 21, the balustrade 20 between two columns of the balustrade column 21 is selected as a load pressure point, a dial indicator is disposed beside the load pressure point to monitor the displacement of the balustrade column 21 in the horizontal direction, the displacement meter 34 at the top end of the tripod 35 records the displacement of the glass sheet 33, the test is formally started and is loaded in five stages, the value of the displacement meter 34 is observed at any moment in the loading process, if the value exceeds a standard limit value, the test is terminated after the structural deformation of the balustrade column 21 is confirmed, and a corresponding load value is recorded, the loading time, carefully observing the change of the railing post 21 in a stable time, and recording the bending value of the railing, wherein the phenomena of cracking, loosening and the like exist in the railing member and the anchoring end.
The working principle is as follows: selecting two measuring points on a railing cylinder 21, selecting a railing 20 between two upright posts of the railing cylinder 21 as a load pressure point, arranging a dial indicator beside the load pressure point to monitor the horizontal displacement of the railing cylinder 21, recording the displacement of a glass sheet 33 through a displacement meter 34 at the top end of a tripod 35, carrying out five-level loading when the test formally starts, observing the value of the displacement meter 34 at all times in the loading process, if the value exceeds a standard limit value, terminating the test after confirming that the railing cylinder 21 is deformed, recording the corresponding load value, wherein the load time interval of each level of load meets the time requirement of stable structural reaction, carefully observing the change of the railing cylinder 21 in stable time, and recording the deflection value of the railing, wherein the phenomena of cracking, loosening and the like exist at a railing component and an anchoring end.
In summary, the following steps: the utility model discloses novel detection device of horizontal thrust test of pedestrian bridge steel construction railing, select two measurement stations on railing cylinder 21, select railing 20 between two stands of railing cylinder 21 as load pressure application point, arrange the displacement of a percentage table monitoring railing cylinder 21 horizontal direction on load pressure application point next door, displacement meter 34 through tripod 35 top carries out the record of displacement to glass piece 33, five grades are loaded when experimental formally starting, observe the numerical value of displacement meter 34 constantly in the loading process, if numerical value exceeds the standard limit value, confirm because of railing cylinder 21 structural deformation cause the back then termination test, and record corresponding load numerical value, every grade load loading time interval should satisfy the time requirement that the structural response is stable, carefully observe railing cylinder 21 and change in stable time, railing component and anchor end have not ftracture, Not hard up wait phenomenon to take notes railing and flex the value, the device can effectual reduction equipment volume, can carry out the dismouting simultaneously, and portable can accomplish the detection of equidimension overpass not simultaneously, can not lead to the overpass impaired during the detection.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a novel detection apparatus of horizontal thrust test of pedestrian overpass steel construction railing, includes reaction column base (1), fixed key (2), reaction column shaft (3), steel sheet (4) on the reaction column staple bolt, steel sheet hook-pulling key (5) on the reaction column, steel sheet (6) under the reaction column staple bolt, reaction column staple bolt cap (7), reaction column staple bolt nut (8), reaction column staple bolt screw rod (9) and crossbeam (10), its characterized in that: the reaction column base (1) is fixedly provided with fixed keys (2), a reaction column body (3) is arranged between the two fixed keys (2), a reaction column hoop upper steel plate (4) is arranged on the reaction column body (3), a reaction column hoop upper steel plate hook key (5) is arranged on the reaction column hoop upper steel plate (4), the inner side of the upper steel plate (4) of the reaction column hoop is provided with a lower steel plate (6) of the reaction column hoop, a reaction column hoop screw (9) is fixedly arranged on the reaction column hoop upper steel plate (4), the counter-force column hoop screw (9) penetrates through the counter-force column hoop nut (8), a reaction column hoop bolt cap (7) is fixedly arranged on the outer side of the reaction column hoop screw rod (9), and a cross beam (10) is fixedly connected to one side of the steel plate (6) under the counter-force column hoop, which is far away from the counter-force column body (3).
2. The novel detection device for the horizontal thrust test of the steel structure railings of the pedestrian bridge according to claim 1, characterized in that: the steel plate fixing device is characterized in that a positioning hole (11) is formed in the cross beam (10), one end, far away from the reaction column hoop, of the cross beam (10) of the steel plate (6) is provided with a pressure sensor system (12), one side of the pressure sensor system (12) is provided with a jack system (13), a fixing rib (14) is arranged below the jack system (13), and the fixing rib (14) is fixedly installed on the cross beam (10).
3. The novel detection device for the horizontal thrust test of the steel structure railings of the pedestrian bridge according to claim 1, characterized in that: one side that counter-force post staple bolt steel sheet (6) were kept away from in crossbeam (10) is equipped with steel sheet (15) on the fixed end, the below of steel sheet (15) is equipped with steel sheet (16) under the fixed end on the fixed end, the both sides of steel sheet (16) all are equipped with fixation nut (17) under the fixed end, the both sides of steel sheet (15) all are equipped with clamping screw (18) on the fixed end, the outside of clamping screw (18) is equipped with fixation nut (19), be equipped with railing handrail (20) between steel sheet (16) under steel sheet (15) and the fixed end on the fixed end.
4. The novel detection device for the horizontal thrust test of the steel structure railings of the pedestrian bridge according to claim 3, characterized in that: the bottom end of the handrail (20) is fixedly connected with a handrail cylinder (21), the bottom end of the handrail cylinder (21) is fixedly arranged on an upper steel plate (22) of a base hoop, one side of the upper steel plate (22) of the base hoop is provided with a upper steel plate steel pipe (23) of the base hoop, a bolt hole (24) is arranged on the upper steel plate steel pipe (23) of the base hoop, one end of the upper steel plate steel pipe (23) of the base hoop, which is far away from the upper steel plate (22) of the base hoop, is provided with an upper steel plate hook hole (25) of the base hoop, the upper steel plate hook hole (25) of the base hoop is connected with a steel wire fastening rope (29), the other end of the steel wire fastening rope (29) is fixedly connected on an upper steel plate hook key (5) of a counter-force column, the top end of the upper steel plate (22) of the base hoop is provided with a lower steel plate (26) of the base hoop, a lower steel plate (26) of the base hoop is fixedly provided with a base, the inboard of railing base (28) is equipped with bolt pole (31), and the inboard of bolt pole (31) is equipped with fixed steel pipe of reaction post (30).
5. The novel detection device for the horizontal thrust test of the steel structure railings of the pedestrian bridge according to claim 4, characterized in that: railing base (28) fixed mounting is on roof beam body (32), and the top of roof beam body (32) is equipped with tripod (35), and the top of tripod (35) is equipped with displacement meter (34), and the outside of displacement meter (34) is equipped with glass piece (33), and glass piece (33) fixed mounting is on railing handrail (20).
6. The novel detection device for the horizontal thrust test of the steel structure railings of the pedestrian bridge according to claim 4, characterized in that: one end of the reaction column fixing steel pipe (30) is fixedly connected with a reaction column base (1), and the other end of the reaction column fixing steel pipe (30) is connected to the bolt rod (31).
7. The novel detection device for the horizontal thrust test of the steel structure railings of the pedestrian bridge according to claim 1, characterized in that: and the steel plate hook pulling key (5) on the reaction column is fixedly arranged on the steel plate (4) on the hoop of the reaction column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020631054.9U CN211955013U (en) | 2020-04-23 | 2020-04-23 | Novel detection device for horizontal thrust test of steel structure railing of pedestrian bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020631054.9U CN211955013U (en) | 2020-04-23 | 2020-04-23 | Novel detection device for horizontal thrust test of steel structure railing of pedestrian bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211955013U true CN211955013U (en) | 2020-11-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020631054.9U Active CN211955013U (en) | 2020-04-23 | 2020-04-23 | Novel detection device for horizontal thrust test of steel structure railing of pedestrian bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211955013U (en) |
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2020
- 2020-04-23 CN CN202020631054.9U patent/CN211955013U/en active Active
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