CN212748548U - Large-span steel structure beam column node test device - Google Patents
Large-span steel structure beam column node test device Download PDFInfo
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- CN212748548U CN212748548U CN202022029327.5U CN202022029327U CN212748548U CN 212748548 U CN212748548 U CN 212748548U CN 202022029327 U CN202022029327 U CN 202022029327U CN 212748548 U CN212748548 U CN 212748548U
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Abstract
The utility model belongs to the technical field of the steel construction technique, especially, be a large-span steel construction beam column node test device, often need go on in the structure experiment hall of large-span to traditional beam column node atress performance test, need counter-force wall, earth anchor screw rod, large-scale jack and large-tonnage actuator to and the overhead traveling crane that article such as hoist and mount test piece needed, the operation is complicated, the problem of being not convenient for the operation use, the scheme as follows is put forward now, it includes L type backup pad, one side fixed mounting of L type backup pad has the U template, and one side fixed mounting of U template has the motor, the one end of the first threaded rod of fixedly connected with on the output shaft of motor, the other end and the L type backup pad fixed connection of first threaded rod. The utility model has the advantages of reasonable design, can be before experimental quick fixed to the node test piece, easy operation, and be convenient for detect the bearing capacity of node test piece, improved the detection efficiency to the node test piece.
Description
Technical Field
The utility model relates to a steel construction technical field especially relates to a large-span steel construction beam column node test device.
Background
The beam-column connecting node is connected with various components in a structural system and plays roles in transferring load and distributing load, so that the stress performance of the beam-column connecting node determines the stress performance of the whole structure to some extent, and the research on the beam-column connecting node is also the key of the research on a frame structure. Engineering structures can experience performance degradation, including strength degradation and stiffness degradation, under long-term loading and environmental effects. Strength degradation can lead to reduced bearing capacity of structural members and nodes, and even premature failure; the stiffness degradation can increase the long term deformation of the members and nodes, causing structural instability and normal use of the structure. The long-term performance of the structure is important to ensure the safety performance of the structure in the whole life cycle.
The traditional beam column node stress performance test is usually required to be carried out in a large-span structure experiment hall, a counter-force wall, a ground anchor screw, a large jack and a large-tonnage actuator are required, and a crown block crane for hoisting test pieces and other articles is required, so that the operation is complex, the operation and the use are not convenient, and therefore the large-span steel structure beam column node test device is provided for solving the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving traditional beam column node atress performance test and often need go on in the structure experiment hall of large-span, need counter-force wall, earth anchor screw rod, large-scale jack and large-tonnage actuator to and hoist and mount the overhead traveling crane that article such as test piece need, the operation is complicated, the shortcoming of being not convenient for operate and use, and a large-span steel construction beam column node test device that proposes.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a large-span steel structure beam column node test device comprises an L-shaped support plate, wherein a U-shaped plate is fixedly arranged on one side of the L-shaped support plate, a motor is fixedly arranged on one side of the U-shaped plate, one end of a first threaded rod is fixedly connected to an output shaft of the motor, the other end of the first threaded rod is fixedly connected with the L-shaped support plate, a connecting plate is arranged on the outer side of the first threaded rod in a threaded manner, one end of two sliding rods is fixedly arranged on one side of the connecting plate, the other end of the two sliding rods penetrates through the L-shaped support plate and is fixedly provided with one side of a baffle, the other side of the two baffles is fixedly provided with the same first clamping plate, a second threaded rod is arranged on the inner sides of the two baffles in a threaded manner, one end, close to each other, the outside of first threaded rod and the outside of third threaded rod are fixed mounting respectively has first belt pulley and second belt pulley, and transmission connection has same belt on first belt pulley and the second belt pulley, and the outside threaded mounting of third threaded rod removes the seat, removes seat sliding connection in the spread groove, and the top of removing the seat extends to the top of L type backup pad, and removes one side fixed mounting of seat and has the jack, and the bottom fixed mounting of jack has the clamp plate, and the top fixed mounting of clamp plate has pressure sensor.
Preferably, the outer ring of the bearing is fixedly installed on the inner wall of one side of the U-shaped plate, and the first threaded rod is fixedly sleeved with the inner ring of the bearing and is convenient to rotate and install the first threaded rod.
Preferably, the inner walls of the two sides of the U-shaped plate are provided with limiting grooves, and the connecting plate is connected in the two limiting grooves in a sliding mode and plays a certain limiting role in the connecting plate.
Preferably, the inner side of the baffle is slidably provided with a limiting rod, and one end of the limiting rod is fixedly connected with the second clamping plate to limit the second clamping plate to a certain extent.
Preferably, a fixed plate is fixedly installed in the connecting groove, and the third threaded rod is rotatably installed on the inner side of the fixed plate and is convenient to rotatably install the third threaded rod.
Preferably, the top of connecting groove is seted up the opening, and the top of removing the seat extends to the top of L type backup pad through the opening.
In the utility model, the large-span steel structure beam column node test device drives the first threaded rod to rotate through the starting motor, so that the connecting plate can be driven to move left through the threaded connection of the first threaded rod and the connecting plate, the first clamping plate can be driven to move left through the two slide bars, the node test piece is fixed, then the two second clamping plates can clamp and fix the node test piece through the threaded connection of the second threaded rod and the baffle plate by rotating the two second threaded rods, the operation is simple, and the node test piece can be rapidly fixed;
in the utility model, the large-span steel structure beam column node test device is connected with the belt through the transmission of the first belt pulley and the second belt pulley, can drive the third threaded rod to rotate, so that the movable seat can be driven to move left through the threaded connection of the third threaded rod and the movable seat, the jack is moved to the upper part of the node test piece, then the pressure can be applied to the node test piece through the pressing plate by starting the jack, and the detection is carried out through the pressure sensor, the operation is simple, and the bearing capacity of the node test piece can be conveniently detected;
the utility model has the advantages of reasonable design, can be before experimental quick fixed to the node test piece, easy operation, and be convenient for detect the bearing capacity of node test piece, improved the detection efficiency to the node test piece.
Drawings
Fig. 1 is a schematic structural diagram of a large-span steel structure beam column joint test device provided by the utility model;
fig. 2 is a schematic structural diagram of a section a-a of a part of a large-span steel structure beam column joint test device provided by the utility model;
fig. 3 is a schematic structural diagram of a part B of a large-span steel structure beam column joint test device provided by the utility model;
fig. 4 is the utility model provides a structural schematic diagram of a large-span steel structure beam column node test device's C part.
In the figure: 1. an L-shaped support plate; 2. a U-shaped plate; 3. a motor; 4. a first threaded rod; 5. a connecting plate; 6. a slide bar; 7. a baffle plate; 8. a first splint; 9. a second threaded rod; 10. a second splint; 11. connecting grooves; 12. a third threaded rod; 13. a first pulley; 14. a second pulley; 15. a belt; 16. a movable seat; 17. an opening; 18. a jack; 19. pressing a plate; 20. a pressure sensor.
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.
Referring to fig. 1-4, a large-span steel structure beam column node test device comprises an L-shaped support plate 1, a U-shaped plate 2 is fixedly installed on one side of the L-shaped support plate 1, a motor 3 is fixedly installed on one side of the U-shaped plate 2, one end of a first threaded rod 4 is fixedly connected to an output shaft of the motor 3, the other end of the first threaded rod 4 is fixedly connected with the L-shaped support plate 1, a connecting plate 5 is installed on the outer side of the first threaded rod 4 through threads, one end of two sliding rods 6 are fixedly installed on one side of the connecting plate 5, the other ends of the two sliding rods 6 both penetrate through the L-shaped support plate 1 and are fixedly installed on one side of a baffle 7, the other side of the two baffles 7 is fixedly installed with the same first clamping plate 8, a second threaded rod 9 is installed on the inner sides of the, connecting groove 11 has been seted up to one side of L type backup pad 1, third threaded rod 12 is installed to the rotation in connecting groove 11, there are first belt pulley 13 and second belt pulley 14 in the outside of first threaded rod 4 and the outside of third threaded rod 12 fixed mounting respectively, the transmission is connected with same belt 15 on first belt pulley 13 and the second belt pulley 14, the outside threaded mounting of third threaded rod 12 has removal seat 16, remove seat 16 sliding connection in connecting groove 11, the top of removing seat 16 extends to the top of L type backup pad 1, and one side fixed mounting who removes seat 16 has jack 18, the bottom fixed mounting of jack 18 has clamp plate 19, the top fixed mounting of clamp plate 19 has pressure sensor 20.
Fixed mounting has the outer lane of bearing on the one side inner wall of U template 2, first threaded rod 4 cup joints with the inner circle of bearing is fixed, be convenient for rotate the first threaded rod 4 of installation, the spacing groove has all been seted up on the both sides inner wall of U template 2, 5 sliding connection of connecting plate are at two spacing inslots, play certain limiting displacement to connecting plate 5, the inboard slidable mounting of baffle 7 has the gag lever post, the one end and the second splint 10 fixed connection of gag lever post, play certain limiting displacement to second splint 10, fixed mounting has the fixed plate in spread groove 11, third threaded rod 12 rotates the inboard of installing at the fixed plate, be convenient for rotate installation third threaded rod 12, opening 17 has been seted up at spread groove 11's top, the top of removing seat 16 passes through opening 17 and extends to the top of L type backup pad 1.
In the utility model, when in use, the node test piece can be placed on the L-shaped supporting plate 1, then the motor 3 is started to drive the first threaded rod 4 to rotate, so that the connecting plate 5 can be driven to move leftwards through the threaded connection between the first threaded rod 4 and the connecting plate 5, so that the first clamping plate 8 can be driven to move leftwards through the two sliding rods 6, the node test piece is fixed, then the two second threaded rods 9 can be rotated, the two second clamping plates 10 can clamp and fix the node test piece through the threaded connection between the second threaded rods 9 and the baffle 7, the operation is simple, the node test piece can be quickly fixed, meanwhile, the third threaded rod 12 can be driven to rotate through the transmission connection between the first belt pulley 13 and the second belt pulley 14 and the belt 15, so that the third threaded rod 12 can be connected with the movable seat 16 through the threaded connection, can drive and move the seat 16 and remove to the left for jack 18 moves to the top of node test piece, then can be through starting jack 18, exert pressure to the node test piece through clamp plate 19, and detect through pressure sensor 20, easy operation is convenient for detect the node test piece bearing capacity.
Claims (6)
1. A large-span steel structure beam column node test device comprises an L-shaped support plate (1) and is characterized in that a U-shaped plate (2) is fixedly mounted on one side of the L-shaped support plate (1), a motor (3) is fixedly mounted on one side of the U-shaped plate (2), one end of a first threaded rod (4) is fixedly connected onto an output shaft of the motor (3), the other end of the first threaded rod (4) is fixedly connected with the L-shaped support plate (1), a connecting plate (5) is mounted on the outer side of the first threaded rod (4) in a threaded manner, one ends of two sliding rods (6) are fixedly mounted on one side of the connecting plate (5), the other ends of the two sliding rods (6) penetrate through the L-shaped support plate (1) and are fixedly mounted on one side of a baffle plate (7), the same first clamping plate (8) is fixedly mounted on the other side of the two baffle plates (7), and a, one end of each of the two second threaded rods (9), which is close to each other, is rotatably provided with a second clamping plate (10), one side of the L-shaped supporting plate (1) is provided with a connecting groove (11), a third threaded rod (12) is rotatably arranged in the connecting groove (11), the outer side of the first threaded rod (4) and the outer side of the third threaded rod (12) are respectively and fixedly provided with a first belt pulley (13) and a second belt pulley (14), the first belt pulley (13) and the second belt pulley (14) are in transmission connection with a same belt (15), the outer side of the third threaded rod (12) is in threaded installation with a movable seat (16), the movable seat (16) is in sliding connection in the connecting groove (11), the top of the movable seat (16) extends to the upper part of the L-shaped supporting plate (1), one side of the movable seat (16) is fixedly provided with a jack (18), and the bottom of the jack, and a pressure sensor (20) is fixedly arranged at the top of the pressure plate (19).
2. The large-span steel structure beam column joint test device according to claim 1, wherein an outer ring of a bearing is fixedly installed on an inner wall of one side of the U-shaped plate (2), and the first threaded rod (4) is fixedly sleeved with an inner ring of the bearing.
3. The long-span steel structure beam column joint test device according to claim 1, wherein limiting grooves are formed in inner walls of two sides of the U-shaped plate (2), and the connecting plate (5) is connected to the two limiting grooves in a sliding mode.
4. The large-span steel structure beam column joint test device according to claim 1, wherein a limiting rod is slidably mounted on the inner side of the baffle (7), and one end of the limiting rod is fixedly connected with the second clamping plate (10).
5. The large-span steel structure beam-column joint test device of claim 1, wherein a fixing plate is fixedly installed in the connecting groove (11), and the third threaded rod (12) is rotatably installed on the inner side of the fixing plate.
6. The large-span steel structure beam-column joint test device according to claim 1, wherein an opening (17) is opened at the top of the connecting groove (11), and the top of the moving seat (16) extends to the upper part of the L-shaped supporting plate (1) through the opening (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022029327.5U CN212748548U (en) | 2020-09-16 | 2020-09-16 | Large-span steel structure beam column node test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022029327.5U CN212748548U (en) | 2020-09-16 | 2020-09-16 | Large-span steel structure beam column node test device |
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| Publication Number | Publication Date |
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| CN212748548U true CN212748548U (en) | 2021-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022029327.5U Active CN212748548U (en) | 2020-09-16 | 2020-09-16 | Large-span steel structure beam column node test device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113640159A (en) * | 2021-08-24 | 2021-11-12 | 安徽省汉博科技有限公司 | Fatigue strength testing device for furniture node joint |
-
2020
- 2020-09-16 CN CN202022029327.5U patent/CN212748548U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113640159A (en) * | 2021-08-24 | 2021-11-12 | 安徽省汉博科技有限公司 | Fatigue strength testing device for furniture node joint |
| CN113640159B (en) * | 2021-08-24 | 2023-11-10 | 安徽省汉博科技有限公司 | Fatigue strength testing device for furniture node connection part |
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