CN214696837U - Reducing limiting jacking - Google Patents
Reducing limiting jacking Download PDFInfo
- Publication number
- CN214696837U CN214696837U CN202120391331.8U CN202120391331U CN214696837U CN 214696837 U CN214696837 U CN 214696837U CN 202120391331 U CN202120391331 U CN 202120391331U CN 214696837 U CN214696837 U CN 214696837U
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- China
- Prior art keywords
- screw rod
- nut
- layer board
- round pipe
- length
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 51
- 239000010959 steel Substances 0.000 claims abstract description 51
- 238000003466 welding Methods 0.000 claims description 12
- 238000009415 formwork Methods 0.000 abstract description 11
- 238000009434 installation Methods 0.000 abstract description 6
- 238000010276 construction Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 3
- 238000002360 preparation method Methods 0.000 abstract description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
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Abstract
The utility model discloses a spacing top of reducing holds in palm belongs to building technical field, including steel pipe, nut, screw rod and layer board, the bottom of screw rod embolias in the steel pipe and fixed the setting, and the nut cover is established on the screw rod, and the layer board is fixed to be set up at the top of screw rod, and the nut setting is between steel pipe and layer board. After the jacking of the utility model is installed, the length of the upright rod inserted into the formwork support is ensured to be not less than 150mm, and the end of the upright rod extending out of the formwork support is ensured to be not more than 300mm, thus all meeting the requirements of relevant construction specifications; the steel round pipe is tightly sleeved with the inner wall of the upright rod, so that the inclination of the screw rod can be limited, the large eccentric stress of the screw rod is effectively avoided, and the bearing capacity of the upright rod supported by the template is reduced. The utility model discloses the material is easy, and preparation simple process, the effect is obvious. The utility model discloses the material is easy, and preparation simple process, the simple installation, the triple limit function that it had can avoid the screw rod slope, insert the support pole setting length not enough and common problems such as screw rod extension length overlength.
Description
Technical Field
The utility model relates to a building technical field especially relates to a spacing top of reducing holds in palm.
Background
In a steel pipe formwork support system in the construction of constructional engineering, a jacking is a force transmission device arranged at the top end of a steel pipe vertical rod and is used for transmitting upper load to the supporting vertical rod and then transmitting the load to a lower bearing surface through the vertical rod. In the process, the function of the jacking is very important, and the requirement of ensuring the effective transmission of the upper load is to meet the relevant standard requirement and the reasonable stress state. However, in the existing formwork support system on a construction site, the installation quality of the jacking is difficult to control, most jacking screws do not meet the standard requirements, and the stress state is unreasonable, mainly because jacking screws produced by manufacturers on the market are small in diameter, generally 20-32mm in diameter, and do not meet the requirements of the standard and are not less than 36mm in diameter. A vertical rod of the formwork support is a steel pipe with the outer diameter of 48mm and the inner diameter of 41-42 mm, after a screw rod with the excessively small diameter is inserted into the vertical rod of the steel pipe, a large gap exists between the screw rod and the inner wall of the steel pipe, so that the top supporting screw rod is inclined, the vertical rod generates large eccentric stress, the abnormal stress state of a formwork system is finally caused, and the formwork support is caused to be unstably collapsed in a serious result. In addition, because the top of each producer production holds in the palm screw rod length 500 ~ 700mm, different in size, and the whole section is the screw thread, and the length of inserting the steel pipe stand pole and the length that stretches out the pole setting top are difficult to control in the installation, also leads to the top to hold in the palm the installation to be not conform to the condition appearance of standard requirement easily.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a spacing top of reducing holds in palm solves current top and holds in the palm the screw rod slope, stops the technical problem of installation quality such as insertion length is not enough, extension length overlength. The device aims to solve the problems that after the top support is installed, the deflection causes large eccentric stress, the length of the top support screw rod inserted into the vertical rod is insufficient, and the length of the screw rod extending out of the top end of the vertical rod is too long, so that the device meets the relevant standard requirements.
The variable-diameter limiting jacking device comprises a steel round pipe, a nut, a screw rod and a supporting plate, wherein the bottom of the screw rod is sleeved into the steel round pipe and fixedly arranged, the nut is sleeved on the screw rod, the supporting plate is fixedly arranged at the top of the screw rod, and the nut is arranged between the steel round pipe and the supporting plate.
Furthermore, the supporting plate is arranged to be of a concave plate structure, the concave opening is arranged upwards, the bottom of the supporting plate and the top of the screw rod are fixedly welded, symmetrical triangular plates are arranged on two sides of the welding position of the supporting plate and the screw rod, and the triangular plates are fixedly welded between the screw rod and the supporting plate.
Further, the nut comprises a nut sleeve body, transverse edges and a sleeve seat, the nut sleeve body is of an internal hollow structure, threads are arranged on the inner side of the nut sleeve body, the transverse edges are arranged on two sides of the nut sleeve body, the sleeve seat is arranged at the bottom of the nut sleeve body, and the nut sleeve body is of an inverted funnel structure.
Furthermore, the steel round pipe and the screw rod are welded into a whole through a welding seam, the length of the steel round pipe is not less than 150mm, the diameter of the steel round pipe is 38-40mm, the length of the screw thread of the screw rod is not more than 300mm, and the diameter of the screw rod is 20-32 mm.
Furthermore, two ends of the steel round pipe are welded and fixed with the screw through welding seams, and the axle center of the steel round pipe is coincided with the axle center of the screw.
Further, the length of the screw rod between the steel round pipe and the supporting plate is not more than 300 mm.
A jacking support with the diameter of the screw rod of 20-32mm is screwed in the nut, and a common steel round pipe with the outer diameter of 38-40mm and the length of not less than 150mm is sleeved at one end of the screw rod; the steel round pipe and the screw are fixed by welding, the screw needs to be ensured to be positioned at the center of the steel round pipe, and the length of the exposed part of the screw thread is controlled to be 200-300 mm; the manufactured adjusting nut of the utility model is limited to move in the thread section, and the length of the top end of the vertical rod extending out of the adjusting nut can be ensured not to exceed 300mm after the adjusting nut is installed on the vertical rod of the template bracket; the length of the steel round pipe is not less than 150mm, so that the insertion length can be ensured; the gap between the steel circular pipe section and the inner wall of the upright rod is 1-4mm, so that the inclination of the screw rod is effectively limited. Through the utility model discloses triple limit function who has ensures that the top holds in the palm installation quality and accords with relevant standard requirement.
The utility model adopts the above technical scheme, the utility model discloses following technological effect has:
after the jacking of the utility model is installed, the length of the upright rod inserted into the formwork support is ensured to be not less than 150mm, and the end of the upright rod extending out of the formwork support is ensured to be not more than 300mm, thus all meeting the requirements of relevant construction specifications; the steel round pipe is tightly sleeved with the inner wall of the upright rod, so that the inclination of the screw rod can be limited, the large eccentric stress of the screw rod is effectively avoided, and the bearing capacity of the upright rod supported by the template is reduced. The utility model discloses the material is easy, and preparation simple process, the effect is obvious.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic diagram of the three-dimensional structure of the present invention.
Fig. 3 is a cross-sectional view of the present invention.
Reference numbers in the figures: 1. a steel round pipe; 2. a nut; 2.1, transverse edges; 2.2, sleeving a base; 3. a screw; 4. a support plate; 4.1, a triangular plate; 5. and (7) welding seams.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clear, preferred embodiments are described in detail. It should be understood, however, that the numerous specific details set forth in the specification are merely set forth to provide a thorough understanding of one or more aspects of the present invention, which may be practiced without these specific details.
A reducing limiting jacking is shown in figures 1-3 and comprises a round steel pipe 1, a nut 2, a screw rod 3 and a supporting plate 4, wherein the bottom of the screw rod 3 is sleeved into the round steel pipe 1 and fixedly arranged, the nut 2 is sleeved on the screw rod 3, the supporting plate 4 is fixedly arranged at the top of the screw rod 3, and the nut 2 is arranged between the round steel pipe 1 and the supporting plate 4. The nut 2 can rotate freely on the screw rod 3 between the steel round tube 1 and the supporting plate 4.
The embodiment of the utility model provides an in, layer board 4 sets up to concave type plate structure, and concave type opening upwards sets up, and the bottom of layer board 4 sets up with the top welded fastening of screw rod 3, and layer board 4 is provided with the set-square 4.1 of symmetry with the both sides of 3 welding departments of screw rod, and set-square 4.1 welded fastening is between screw rod 3 and layer board 4. The concave plate structure plays the effect of support, sets up set-square 4.1 and strengthens fixedly to layer board 4.
The embodiment of the utility model provides an in, nut 2 includes the nut cover body, horizontal limit 2.1 and cover seat 2.2, and the nut cover body sets up to inside hollow structure, and the inboard is provided with the screw thread, and horizontal limit 2.1 sets up on the both sides of the nut cover body, and cover seat 2.2 sets up in the bottom of the nut cover body, and the nut cover body sets up to the funnel structure of invering. The transverse edge 2.1 can be manually operated as long as the rotation of people in the operation process is convenient. The sleeve seat 2.2 mainly plays a role in protection and can be sleeved outside the steel round pipe 1 when rotating to the contact part of the steel round pipe 1.
In the embodiment of the utility model, steel pipe 1 and screw rod 3 are connected into an organic whole through welding 5 welding, and the length of steel pipe 1 is not less than 150mm, and the diameter is 38-40mm, and screw rod 3's thread length is not more than 300mm, and the diameter is 20-32 mm.
The embodiment of the utility model provides an in, welding seam 5 and 3 welded fastening of screw rod are passed through at the both ends of steel pipe 1, 1 axle centers of steel pipe and the coincidence of 3 axle centers of screw rod. The length of the screw rod 3 between the steel round pipe 1 and the supporting plate 4 is not more than 300 mm. The adjusting range of the nut 3 is limited in the exposed thread of the screw rod 3 between the steel round pipe 1 and the supporting plate 4.
During the use, will the utility model discloses a steel pipe 1 is direct to be inserted from formwork support pole setting top, through adjusting nut 2, can realize the altitude mixture control that the top held in the palm and simultaneous control top support insertion length, extension length satisfy relevant construction standard requirement to ensure that the formwork support pole setting is in normal stress state, easy operation.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (6)
1. The utility model provides a spacing top of reducing holds in palm which characterized in that: the screw rod fixing device comprises a steel round pipe (1), a nut (2), a screw rod (3) and a supporting plate (4), wherein the bottom of the screw rod (3) is sleeved into the steel round pipe (1) and fixedly arranged, the nut (2) is sleeved on the screw rod (3), the supporting plate (4) is fixedly arranged at the top of the screw rod (3), and the nut (2) is arranged between the steel round pipe (1) and the supporting plate (4).
2. The variable-diameter limit jacking device as claimed in claim 1, wherein: layer board (4) set up to concave type plate structure, and the concave type opening upwards sets up, and the bottom of layer board (4) and the top welded fastening of screw rod (3) set up, and layer board (4) and screw rod (3) welded junction's both sides are provided with set-square (4.1) of symmetry, and set-square (4.1) welded fastening is between screw rod (3) and layer board (4).
3. The variable-diameter limit jacking device as claimed in claim 2, wherein: the nut (2) comprises a nut sleeve body, transverse edges (2.1) and sleeve seats (2.2), the nut sleeve body is of an internal hollow structure, threads are arranged on the inner side of the nut sleeve body, the transverse edges (2.1) are arranged on two sides of the nut sleeve body, the sleeve seats (2.2) are arranged at the bottom of the nut sleeve body, and the nut sleeve body is of an inverted funnel structure.
4. The variable-diameter limit jacking device as claimed in claim 3, wherein: the steel pipe (1) and the screw rod (3) are welded into a whole through the welding seam (5), the length of the steel pipe (1) is not less than 150mm, the diameter is 38-40mm, the thread length of the screw rod (3) is not more than 300mm, and the diameter is 20-32 mm.
5. The variable-diameter limit jacking device as claimed in claim 4, wherein: two ends of the steel round pipe (1) are welded and fixed with the screw rod (3) through welding seams (5), and the axle center of the steel round pipe (1) is coincided with the axle center of the screw rod (3).
6. The variable-diameter limit jacking device as claimed in claim 5, wherein: the length of the screw rod (3) between the steel round pipe (1) and the supporting plate (4) is not more than 300 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120391331.8U CN214696837U (en) | 2021-02-22 | 2021-02-22 | Reducing limiting jacking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120391331.8U CN214696837U (en) | 2021-02-22 | 2021-02-22 | Reducing limiting jacking |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214696837U true CN214696837U (en) | 2021-11-12 |
Family
ID=78567982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120391331.8U Expired - Fee Related CN214696837U (en) | 2021-02-22 | 2021-02-22 | Reducing limiting jacking |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214696837U (en) |
-
2021
- 2021-02-22 CN CN202120391331.8U patent/CN214696837U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211112 |