CN213580476U - Fire resistance detection device of reinforced concrete beam - Google Patents
Fire resistance detection device of reinforced concrete beam Download PDFInfo
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- CN213580476U CN213580476U CN202022677521.4U CN202022677521U CN213580476U CN 213580476 U CN213580476 U CN 213580476U CN 202022677521 U CN202022677521 U CN 202022677521U CN 213580476 U CN213580476 U CN 213580476U
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- reinforced concrete
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- concrete beam
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Abstract
The utility model discloses a fire resistance performance detection device of reinforced concrete roof beam, comprises a workbench, the top central authorities fixedly connected with heating device of workstation, the concrete roof beam test piece has been placed to heating device's inside, the bottom central authorities fixedly connected with backup pad of workstation, the equal fixedly connected with support in both sides that backup pad surface bottom is corresponding, the top of support and the fixedly connected with hydraulic stem that is close to the workstation bottom, the work end fixedly connected with connecting rod of hydraulic stem, the top of connecting rod runs through the workstation and extends to its top, the top of connecting rod and the tip fixedly connected with briquetting that is located the concrete roof beam test piece, the utility model relates to a fire resistance performance detects technical field. This fire resistance detection device of reinforced concrete roof beam has reached and has detected accurate effect, and is rational in infrastructure simple, and convenient to use can make pressure and high temperature go on simultaneously, detects quick accuracy, and safe and reliable has improved work efficiency and performance.
Description
Technical Field
The utility model relates to an anti fire performance detects technical field, specifically is an anti fire performance detection device of reinforced concrete roof beam.
Background
With the development of society and the continuous progress of science and technology, the construction industry has also been developed rapidly. Reinforced concrete, often referred to as reinforced concrete for short in engineering. It is a composite material which is formed by adding reinforcing mesh, steel plate or fiber into concrete and works together with the composite material to improve the mechanical property of concrete. One of the most common forms of stiffening concrete. By reinforced concrete is meant that the main load bearing member is constructed of reinforced concrete. The method comprises a thin-shell structure, a large-template cast-in-place structure and a building with a reinforced concrete structure built by using a slip form, a lifting plate and the like. A structure is made of steel bars and concrete. The reinforcing steel bar bears the tensile force, and the concrete bears the pressure. The steel structure has the advantages of firmness, durability, good fireproof performance, steel saving compared with a steel structure, low cost and the like. The method comprises two steps: (1) an integral reinforced concrete structure. Erecting a template on a construction site, configuring reinforcing steel bars, and pouring and tamping concrete to build the concrete. (2) Assembled reinforced concrete structure. The structural material of reinforced concrete structure house prefabricated in factory or construction site is reinforced concrete, i.e. mixture of reinforcing steel bar, cement, coarse and fine aggregate (broken stone) and water. The house with the structure has the advantages of good earthquake resistance, strong integrity, strong corrosion resistance, durability and the like, and the room has relatively large bay and depth and free space division. In a building, a reinforced concrete beam is one of important structures, and the quality of the reinforced concrete beam directly affects the service life of the building. Bursting tends to occur at high temperatures in a fire, resulting in rapid collapse of the structure. This is a poor fire resistance of the high-strength and ultra-high-strength reinforced concrete structures. Therefore, it is very necessary to check the fire resistance of the reinforced concrete beam. At present, the existing fire resistance performance of the reinforced concrete beam in the market is detected, a concrete sample is usually put into an electric furnace to be burned, then is taken out to be pressed, or is cooled to room temperature to be subjected to compression resistance, and under the condition of actual fire, high temperature and external pressure are carried out simultaneously, so that the detection accuracy is influenced, the detection efficiency is low, and the use performance is reduced.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a not enough to prior art, the utility model provides a fire resistance capability detection device of reinforced concrete roof beam has solved current fire resistance capability to the reinforced concrete roof beam and has detected, puts into the concrete sample into the electric stove usually and burns, then takes out and exert pressure, or cold to the room temperature resistance to compression again, and under the actual conflagration condition, be that high temperature and external pressure go on simultaneously, consequently influence detects the accuracy to detection efficiency is low, has reduced the problem of performance.
(II) technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the fire resistance detection device for the reinforced concrete beam comprises a workbench, wherein a heating device is fixedly connected to the center of the top of the workbench, a concrete beam test piece is placed inside the heating device, a supporting plate is fixedly connected to the center of the bottom of the workbench, two corresponding sides of the bottom of the surface of the supporting plate are fixedly connected with a support, a hydraulic rod is fixedly connected to the top of the support and the position close to the bottom of the workbench, a connecting rod is fixedly connected to the working end of the hydraulic rod, the top end of the connecting rod penetrates through the workbench and extends to the top of the workbench, and a pressing block is fixedly connected to the top end of the connecting rod and the end of the connecting rod, which is located at the concrete;
the heating device comprises a U-shaped groove body, rectangular grooves are formed in the two corresponding sides of the inner wall of the U-shaped groove body and located in the central position, heat preservation layers are fixedly connected to the two corresponding sides of the inner wall of the U-shaped groove body, and heating blocks are arranged inside the rectangular grooves.
Preferably, the top of workstation just is located marginal position fixedly connected with housing, the top joint of housing has the top cap, the draw-in groove with housing looks adaptation is seted up at the surperficial top of housing.
Preferably, the corresponding positions at the bottom of the workbench are fixedly connected with supporting legs, and the bottoms of the supporting legs are fixedly connected with non-slip mats.
Preferably, the material of the non-slip mat is made of rubber.
Preferably, rectangular through holes matched with the connecting rods are formed in the positions, corresponding to the surface of the workbench, on the two sides of the heating device.
(III) advantageous effects
The utility model provides a fire resistance performance detection device of reinforced concrete roof beam. The method has the following beneficial effects:
(1) the fire resistance detection device of the reinforced concrete beam comprises a heating device fixedly connected with the top central position of a workbench, the heating device comprises a U-shaped groove body, rectangular grooves are arranged on two corresponding sides of the inner wall of the U-shaped groove body and positioned in the central position, heat preservation layers are fixedly connected with two corresponding sides of the inner wall of the U-shaped groove body, heating blocks are arranged inside the rectangular grooves, a concrete beam test piece is placed inside the heating device, a support plate is fixedly connected with the bottom central position of the workbench, supports are fixedly connected with two corresponding sides of the surface bottom of the support plate, hydraulic rods are fixedly connected with the top of the supports and close to the bottom of the workbench, connecting rods are fixedly connected with the working ends of the hydraulic rods, the top ends of the connecting rods penetrate through the workbench and extend to the tops of the workbench, pressing blocks are fixedly connected, the effect of accurate detection is achieved, the structure is reasonable and simple, the use is convenient, pressure and high temperature can be carried out simultaneously, the detection is quick and accurate, the safety and the reliability are realized, and the working efficiency and the use performance are improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of a cross-sectional structure of the heating apparatus;
FIG. 3 is a schematic diagram of the body of the U-shaped groove.
In the figure: 1 workstation, 2 heating device, 201U-shaped groove body, 202 rectangular channel, 203 heat preservation, 204 heating block, 3 concrete beam test pieces, 4 backup pads, 5 supports, 6 hydraulic stem, 7 connecting rods, 701 rectangle perforation, 8 briquetting, 9 enclosers, 10 top caps, 11 supporting legs, 12 slipmats.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the specification, and obviously, 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. 1-3, the present invention provides a technical solution: a fire resistance detection device of a reinforced concrete beam comprises a workbench 1, a heating device 2 is fixedly connected to the top center of the workbench 1, a concrete beam test piece 3 is placed in the heating device 2, a support plate 4 is fixedly connected to the bottom center of the workbench 1, two corresponding sides of the bottom of the surface of the support plate 4 are fixedly connected with a support 5, a hydraulic rod 6 is fixedly connected to the top of the support 5 and the position close to the bottom of the workbench 1, a connecting rod 7 is fixedly connected to the working end of the hydraulic rod 6, rectangular through holes 701 matched with the connecting rod 7 are formed in the corresponding position of the surface of the workbench 1 and the two sides of the heating device 2, the top end of the connecting rod 7 penetrates through the workbench 1 and extends to the top of the workbench, a pressing block 8 is fixedly connected to the top end of the connecting rod 7 and the end part of the concrete beam test piece 3, and a housing 9 is fixedly connected, the top of the housing 9 is clamped with the top cover 10, the housing 9 and the top cover 10 have a protection effect, potential safety hazards are reduced, safety and reliability are achieved, a clamping groove matched with the housing 9 is formed in the top of the surface of the housing 9, supporting legs 11 are fixedly connected to positions corresponding to the bottom of the workbench 1, anti-slip pads 12 are fixedly connected to the bottoms of the supporting legs 11, the anti-slip pads 12 have an anti-slip effect, the overall temperature of the device is improved, the anti-slip pads 12 are made of rubber materials, the anti-slip effect is good, and the cost is low;
When the device is used, the whole device is placed at an appointed position of a detection area, the top cover 10 is opened at the moment, the hydraulic rod 6 is opened to enable the device to work, the hydraulic rod 6 is extended to push the connecting rod 7 to two sides, so that the pressing block 8 is pushed to two sides, the concrete beam test piece 3 to be detected is placed in the heating device 2 at the moment, the top cover 10 is covered on the top of the housing 9 at the moment, the concrete beam test piece 3 can be heated through the heating block 204 at the moment, meanwhile, the heat preservation layer 203 has a heat preservation function to reduce heat dissipation, the hydraulic rod 6 is opened again to enable the hydraulic rod 3 to shrink, the pressing block 8 is pulled to the end part of the concrete beam test piece 3 through the connecting rod 7 at the moment, when the pressing block 8 is in contact with the end part of the concrete beam test piece 3, pressing is started to perform detection, and therefore, pressure and high temperature are performed simultaneously, and, at the in-process that detects, whole device supports through supporting leg 11, has improved holistic stability, and the weight of device passes through supporting leg 1 simultaneously and applys on slipmat 12 for slipmat 12 fully contacts with the contact surface, because the material of slipmat 12 sets up to the rubber material, and antiskid is effectual, has further improved the stability of device.
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. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.
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 (5)
1. The utility model provides a fire resistance detection device of reinforced concrete roof beam, includes workstation (1), its characterized in that: the concrete beam test piece testing device comprises a workbench (1), a heating device (2) is fixedly connected to the center of the top of the workbench (1), a concrete beam test piece (3) is placed inside the heating device (2), a supporting plate (4) is fixedly connected to the center of the bottom of the workbench (1), two corresponding sides of the bottom of the surface of the supporting plate (4) are fixedly connected with supports (5), a hydraulic rod (6) is fixedly connected to the top of each support (5) and is close to the bottom of the workbench (1), a connecting rod (7) is fixedly connected to the working end of each hydraulic rod (6), the top end of each connecting rod (7) penetrates through the workbench (1) and extends to the top of the workbench, and a pressing block (8) is fixedly connected to the top end of each connecting rod (7) and is located;
heating device (2) are including U-shaped groove body (201), the corresponding both sides of U-shaped groove body (201) inner wall just are located central point and are provided with rectangular channel (202), the equal fixedly connected with heat preservation (203) in the corresponding both sides of U-shaped groove body (201) inner wall, the inside of rectangular channel (202) is provided with heating block (204).
2. The fire resistance detecting apparatus for a reinforced concrete beam according to claim 1, wherein: the top of workstation (1) just is located marginal position fixedly connected with housing (9), the top joint of housing (9) has top cap (10), the draw-in groove with housing (9) looks adaptation is seted up at the surperficial top of housing (9).
3. The fire resistance detecting apparatus for a reinforced concrete beam according to claim 1, wherein: the all-in-one machine is characterized in that supporting legs (11) are fixedly connected to corresponding positions of the bottom of the workbench (1), and anti-slip pads (12) are fixedly connected to the bottoms of the supporting legs (11).
4. The fire resistance detecting apparatus for a reinforced concrete beam according to claim 3, wherein: the non-slip mat (12) is made of rubber.
5. The fire resistance detecting apparatus for a reinforced concrete beam according to claim 1, wherein: the surface of the workbench (1) is provided with rectangular through holes (701) matched with the connecting rods (7) at the corresponding positions and on the two sides of the heating device (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022677521.4U CN213580476U (en) | 2020-11-18 | 2020-11-18 | Fire resistance detection device of reinforced concrete beam |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022677521.4U CN213580476U (en) | 2020-11-18 | 2020-11-18 | Fire resistance detection device of reinforced concrete beam |
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| CN213580476U true CN213580476U (en) | 2021-06-29 |
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| CN202022677521.4U Active CN213580476U (en) | 2020-11-18 | 2020-11-18 | Fire resistance detection device of reinforced concrete beam |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114136810A (en) * | 2021-12-01 | 2022-03-04 | 华北理工大学 | Device for testing fireproof performance of T-shaped beam of hybrid fiber replacing reinforced concrete |
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2020
- 2020-11-18 CN CN202022677521.4U patent/CN213580476U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114136810A (en) * | 2021-12-01 | 2022-03-04 | 华北理工大学 | Device for testing fireproof performance of T-shaped beam of hybrid fiber replacing reinforced concrete |
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