CN211897820U - T-beam temporary support device with freely adjustable height - Google Patents
T-beam temporary support device with freely adjustable height Download PDFInfo
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- CN211897820U CN211897820U CN202020239373.5U CN202020239373U CN211897820U CN 211897820 U CN211897820 U CN 211897820U CN 202020239373 U CN202020239373 U CN 202020239373U CN 211897820 U CN211897820 U CN 211897820U
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- 239000004576 sand Substances 0.000 claims abstract description 46
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 30
- 239000010959 steel Substances 0.000 claims abstract description 30
- 238000009434 installation Methods 0.000 abstract description 20
- 238000010276 construction Methods 0.000 abstract description 16
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 239000011513 prestressed concrete Substances 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a T-beam temporary support device with freely adjustable height, which comprises a leveling structure, a freely adjustable height structure, a supporting and dispersing stress structure; the leveling structure comprises a bottom steel plate placed on the ground, a sand containing groove is formed in the top of the bottom steel plate, and a leveling sand cushion layer is placed in the sand containing groove; the free height adjusting structure comprises a first triangular wedge-shaped block placed on a leveling sand cushion layer, a second triangular wedge-shaped block is placed on the inclined plane of the first triangular wedge-shaped block, and a nut is respectively arranged at two ends of a counter-pulling screw rod for fastening after the counter-pulling screw rod penetrates through holes in the first triangular wedge-shaped block and the second triangular wedge-shaped block; the supporting and force-dispersing structure is a leveling steel plate placed on the second triangular wedge-shaped block. The device is convenient to implement on site, can facilitate the disassembly of the temporary support, has higher construction speed, and can effectively ensure the installation quality of the T beam.
Description
Technical Field
The utility model relates to a T roof beam temporary support device, especially a can be free height-adjusting's T roof beam temporary support device.
Background
Among highway components, prestressed concrete T-beams are the most commonly used concrete structure on top of a bridge, and in bridge construction, T-beams are usually fabricated and tensioned in a standard beam yard and then transported to a bridge site for installation using a bridge girder erection machine. At present, in the T-beam installation construction, a plurality of bridge deck structures which are simply supported and then continuous exist, and when the T-beam is installed, a temporary support bearing structure is usually needed to be used for the installed T-beam. In the current engineering construction, the requirement on the quality of T-beam installation construction of a road is high, and when the T-beam is required to be temporarily installed, the temporary support is free from deformation, can be conveniently disassembled and is convenient to operate, so that the construction speed and efficiency are improved. Therefore, how to adopt simple temporary supporting devices, the temporary installation of the T-shaped beam can be completed quickly and safely under the condition of meeting the quality standard requirements, and the temporary supporting devices are ensured, have no deformation and are convenient to operate during construction, so that the technical problem which is solved by people is solved all the time.
In the prior art, a utility model (CN 202208889U) applied by yunnan road and bridge limited discloses a T-beam temporary support, which is composed of two barrels with cover plates that are sleeved with each other, a hole is arranged at the bottom of the lower barrel, the height of the upper barrel is smaller than that of the lower barrel, and the height of the lower barrel is slightly smaller than that of the permanent support; during the sleeving, the sand is filled in the inner part, a gap H is reserved between the upper barrel and the lower barrel, and the integral height during the sleeving is slightly larger than that of the permanent support. In the patent construction, when being full of sand and droing, easily cause the pollution job site to need purchase special sand filling material always, extravagant material easily.
And, the utility model patent (CN 209353215U) applied by the eighth office of engineering limited of china building discloses an adjustable temporary support and a system thereof, including the combined slide plate composed of an upper slide plate, a middle slide plate and a lower slide plate placed from top to bottom and the pushing device composed of two longitudinal jacks, two transverse jacks and two vertical mechanical locking jacks, wherein the two longitudinal jacks are arranged on the lower slide plate, the two transverse jacks are arranged on the middle slide plate, and the two vertical mechanical locking jacks are arranged on the upper slide plate. Through the cooperation of the vertical mechanical locking jack and the hydraulic system, the vertical mechanical locking jack achieves the functions of a conventional jack, avoids potential safety hazards existing in the using process of the conventional jack, and has the double effects of safety and stability. However, in the construction process, the jack is used as a temporary supporting device, oil leakage of the jack is easy to occur, deformation is caused, and the installation construction quality of the T-shaped beam is affected.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a but T roof beam temporary support device of free height-adjusting. The device is convenient to implement on site, can facilitate the disassembly of the temporary support, has higher construction speed, and can effectively ensure the installation quality of the T beam.
The technical scheme of the utility model: a T-beam temporary support device with freely adjustable height comprises a leveling structure, a freely adjustable height structure and a supporting and stress dispersing structure; the leveling structure comprises a bottom steel plate placed on the ground, a sand containing groove is formed in the top of the bottom steel plate, and a leveling sand cushion layer is placed in the sand containing groove; the free height adjusting structure comprises a first triangular wedge-shaped block placed on a leveling sand cushion layer, a second triangular wedge-shaped block is placed on the inclined plane of the first triangular wedge-shaped block, and a nut is respectively arranged at two ends of a counter-pulling screw rod for fastening after the counter-pulling screw rod penetrates through holes in the first triangular wedge-shaped block and the second triangular wedge-shaped block; the supporting and force-dispersing structure is a leveling steel plate placed on the second triangular wedge-shaped block.
In the above T-beam temporary support apparatus with a freely adjustable height, the bottom steel plate is fixed with a handrail.
In the T-beam temporary support device with the freely adjustable height, the height of the through hole is 3-4 times of the diameter of the counter-pull screw, and the width of the through hole is larger than the diameter of the counter-pull screw and smaller than the nut.
In the T-beam temporary support device with the freely adjustable height, the sand containing groove is welded and fixed on the bottom steel plate.
The utility model has the advantages that: compared with the prior art, the utility model discloses an adopt the interim support device of T roof beam that can freely adjust height, the on-the-spot implementation of the device is convenient for, adopts the device to carry out interim support during the installation of T roof beam, and interim support mainly becomes for two triangle wedge block groups to and to the limit structure that drawing screw rod and nut are constituteed, it is spacing that the screw up nut can carve the piece to two triangles. When the prestressed T-beam is installed, the pull screw penetrates into the wedge block with adjustable height, and the nut is screwed, so that the lateral displacement of the wedge block is effectively eliminated, and the effect of serving as temporary support can be achieved; the back that the conversion of T roof beam atress system finishes, when needing to demolish interim support, the earlier nut that becomes flexible makes the wedge block produce the lateral sliding to reach the wedge block and produce decurrent displacement, reach the condition that becomes flexible detachable temporary support, and the device can be according to T roof beam mounting height in the great range, nimble application can adapt to the T roof beam construction condition of different mounting heights, the utility model discloses the job site is used conveniently, and maneuverability is stronger, has better popularization and application and worth.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic side view of FIG. 1;
FIG. 3 is a schematic view of a through hole of the present invention;
reference numerals: 1-bottom steel plate, 2-sand containing groove, 3-handrail, 4-leveling sand cushion layer, 5-split screw, 6-nut, 7-first triangular wedge block, 8-second triangular wedge block, 9-leveling steel plate and 10-T beam.
Detailed Description
The following description is made with reference to the accompanying drawings and examples, but not to be construed as limiting the invention.
The embodiment of the utility model provides a: a T-beam temporary support device with freely adjustable height is shown in attached figures 1-3 and comprises a leveling structure, a freely adjustable height structure and a supporting and stress dispersing structure; the leveling structure comprises a bottom steel plate 1 placed on the ground, 1 sand containing groove 2 is formed in the top of the bottom steel plate 1, and a leveling sand cushion layer 4 is placed in the sand containing groove 2; the height freely adjusting structure comprises a first triangular wedge-shaped block 7 placed on the leveling sand cushion layer 4, a second triangular wedge-shaped block 8 is placed on the inclined plane of the first triangular wedge-shaped block 7, the inclined planes of the two triangular wedge-shaped blocks are placed together in a fit mode, the inclined planes of the first triangular wedge-shaped block 7 and the second triangular wedge-shaped block 8 are aligned in a fit mode and can freely slide, 1 through hole is formed in each of the first triangular wedge-shaped block 7 and the second triangular wedge-shaped block 8, and after the opposite-pulling screw 5 penetrates through the through holes in the first triangular wedge-shaped block 7 and the second triangular wedge-shaped block 8, a nut 6 is arranged at each of two ends of the opposite-pulling screw 5, so that the first triangular wedge-shaped block 7 and the second triangular wedge-shaped block 8 are fastened together; the supporting and dispersing stress structure is a leveling steel plate 9 arranged on the second triangular wedge-shaped block 8.
The sand bed course 4 of making level is put in dress sand holds the groove 2, can shelve bottom steel sheet 1 and carry out the accuracy in local unevenness department and make level, for demolising the convenience, dress sand holds the inside clear dimension in groove 2, carves the piece 7 size slightly bigger than first triangle, can conveniently carve the piece 7 to first triangle and put into and break away from, and the overall arrangement structure is placed in dress sand holds the groove 2 for the sand bed course 4 of making level, and the piece support is carved to the triangle system on the sand bed course 4 of making level.
After the height of the temporary support is adjusted, the nut 6 is screwed down to limit the lateral deformation of the first triangular wedge-shaped block 7 and the second triangular wedge-shaped block 8, a non-deformation stress system is formed, and the T-shaped beam 10 is temporarily supported; after the T beam 10 finishes the system conversion, when the support is dismounted, the nut 6 is loosened, the first triangular wedge-shaped block 7 and the second triangular wedge-shaped block 8 deform laterally without limitation, and the second triangular wedge-shaped block 8 can slide freely along the inclined contact surface of the first triangular wedge-shaped block 7, so that the purpose of dismounting the temporary support is achieved.
The leveling steel plate 9 plays a role in dispersing the stress at the bottom of the T beam 10 and preventing damage caused by local stress concentration. The stressed contact surface can be enlarged to play a role in supporting and stabilizing, and the leveling steel plate 9 can be used as a part of height adjustment and is directly placed on the second triangular wedge-shaped block 8.
The handrail 3 is fixed on the bottom steel plate 1, so that the whole body can be conveniently lifted, unloaded and carried.
The height of the through hole is 3-4 times of the diameter of the counter-pull screw rod 5, and the width of the through hole is larger than the diameter of the counter-pull screw rod 5 and smaller than the nut 6. Therefore, the contact surface positions of the first triangular wedge-shaped block 7 and the second triangular wedge-shaped block 8 can be conveniently adjusted, and the purpose of freely adjusting the supporting height of the height structure is achieved.
The sand containing groove 2 is welded and fixed on the bottom steel plate 1 and welded into an integral structure, and is formed by welding steel plates, so that the internal assembly is tight.
The utility model discloses an implement like this:
as shown in figures 1-3: the temporary support device comprises a leveling structure, a free height adjusting structure and a supporting and stress dispersing structure; the leveling structure comprises a bottom steel plate 1, a sand containing groove 2, a handrail 3 and a leveling sand cushion layer 4; the height freely adjusting structure comprises a counter-pulling screw rod 5, a nut 6, a first triangular wedge block 7 and a second triangular wedge block 8, wherein the heights of the first triangular wedge block and the second triangular wedge block can be adjusted; the supporting and force-dispersing structure is 1 leveling steel plate 9.
The T roof beam 10 reaches the frame roof beam condition, before the installation of transportation construction site, put the structure of making level of bottom steel sheet 1, dress sand containing groove 2 etc. and put on the bent cap temporary support installation central point of T roof beam 10 installation, it makes level the sand formation sand bed course 4 of making level to put into in dress sand containing groove 2, it is preferred, the sand that makes level adopts the fine sand of incompressible or the small standard of compression volume, the standard sand is graded rationally, the atress compression does not have great deformation to pave standard sand and level in dress sand containing groove 2.
Further, the first triangular wedge-shaped block 7 is arranged in the sand containing groove 2, a level ruler is used for leaning against the proper position of the first triangular wedge-shaped block 7, whether the installation of the first triangular wedge-shaped block 7 meets the horizontal requirement (the longitudinal direction and the transverse direction need to be checked and rechecked) is verified, if the installation of the first triangular wedge-shaped block 7 does not meet the horizontal requirement, the first triangular wedge-shaped block 7 is detached, standard fine sand which is not compressible or has a small compression amount is added at the lower end of the sand containing groove 2 for leveling, the first triangular wedge-shaped block 7 is installed again, and the construction step is repeated until the first triangular wedge-shaped block 7 is installed horizontally.
Further, the opposite-pulling screw 5 is inserted into the installed first triangular wedge 7 through a reserved through hole, and in the same way, the second triangular wedge 8 is installed and inserted into the opposite-pulling screw 5.
Further, according to the installation height of the T-shaped beam 10, the contact position between the first triangular wedge-shaped block 7 and the second triangular wedge-shaped block 8 is adjusted, the height is adjusted, at the moment, the thickness of the leveling steel plate 9 needs to be deducted, and the nut 6 is screwed, so that the installation of the whole temporary support device is completed.
Further, place the steel sheet 9 of making level on second triangle-shaped wedge-shaped piece 8, place placed between two parties, the steel sheet 9 of making level plays the contact surface of dispersion T roof beam bottom 10 atress, prevents stress concentration to increase the supporting surface effect, can guarantee the whole stability ability after the installation of T roof beam 10 is accomplished.
Further, after the T beam 10 is installed on the temporary support, the installation indexes of the T beam 10 are checked, the requirements including installation height, levelness and verticality are met, when the requirements are not met, the T beam 10 is slightly hoisted, the contact positions among the leveling sand cushion layer 4 of the sand containing groove 2, the first triangular wedge block 7 and the second triangular wedge block 8 are repeatedly adjusted, and the T beam 10 is installed to meet the construction quality control standard.
Further, after the T-beam 10 completes the structure system conversion, when the temporary support is removed, the nut 6 is loosened, so that the first triangular wedge block 7 and the second triangular wedge block 8 can move laterally without limitation, under the self-weight of the second triangular wedge block 8, the contact position can be smoothly changed to reduce the support height of the temporary support device, the temporary support can be smoothly removed, the temporary support is moved out by the handrail 3, and the temporary support is completely removed.
The utility model relates to a but T roof beam temporary support device of free height-adjusting carries out T roof beam 10 construction when installing, supports through the temporary support device who comprises structure of making level, free height-adjusting structure, props height and dispersion atress structure, adopts two triumph to carve the piece, and is spacing through carrying on with nut 6 compound mode to drawing screw rod 5, makes things convenient for height-adjusting and demolishs. The application performance of the whole set of device is stronger to job site technical staff, so that the job site technical staff can erect the T beam 10 more conveniently, the installation quality during installation is ensured, and the device is stronger in flexibility, convenient to apply and convenient to popularize and apply.
Claims (4)
1. The utility model provides a but T roof beam temporary support device of free height-adjusting which characterized in that: comprises a leveling structure, a free height adjusting structure and a supporting and stress dispersing structure; the leveling structure comprises a bottom steel plate (1) placed on the ground, a sand containing groove (2) is formed in the top of the bottom steel plate (1), and a leveling sand cushion layer (4) is placed in the sand containing groove (2); the free height adjusting structure comprises a first triangular wedge-shaped block (7) placed on the leveling sand cushion layer (4), a second triangular wedge-shaped block (8) is placed on the inclined plane of the first triangular wedge-shaped block (7), and nuts (6) are respectively arranged at two ends of a counter-pulling screw rod (5) for fastening after the counter-pulling screw rod passes through holes in the first triangular wedge-shaped block (7) and the second triangular wedge-shaped block (8); the supporting and dispersing stress structure is a leveling steel plate (9) arranged on the second triangular wedge-shaped block (8).
2. The height-freely adjustable T-beam temporary stand device according to claim 1, wherein: and the handrail (3) is fixed on the bottom steel plate (1).
3. The height-freely adjustable T-beam temporary stand device according to claim 1, wherein: the height of the through hole is 3-4 times of the diameter of the counter-pulling screw rod (5), and the width of the through hole is larger than the diameter of the counter-pulling screw rod (5) and smaller than the nut (6).
4. The height-freely adjustable T-beam temporary stand device according to claim 1, wherein: the sand containing groove (2) is welded and fixed on the bottom steel plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020239373.5U CN211897820U (en) | 2020-03-02 | 2020-03-02 | T-beam temporary support device with freely adjustable height |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020239373.5U CN211897820U (en) | 2020-03-02 | 2020-03-02 | T-beam temporary support device with freely adjustable height |
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| Publication Number | Publication Date |
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| CN211897820U true CN211897820U (en) | 2020-11-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020239373.5U Active CN211897820U (en) | 2020-03-02 | 2020-03-02 | T-beam temporary support device with freely adjustable height |
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| CN (1) | CN211897820U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114808726A (en) * | 2022-05-13 | 2022-07-29 | 中铁一局集团(广州)建设工程有限公司 | Temporary support device for precast beam system conversion |
-
2020
- 2020-03-02 CN CN202020239373.5U patent/CN211897820U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114808726A (en) * | 2022-05-13 | 2022-07-29 | 中铁一局集团(广州)建设工程有限公司 | Temporary support device for precast beam system conversion |
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