CN212689005U - Cantilever formwork support structure for retaining wall pouring - Google Patents
Cantilever formwork support structure for retaining wall pouring Download PDFInfo
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- CN212689005U CN212689005U CN202021293445.0U CN202021293445U CN212689005U CN 212689005 U CN212689005 U CN 212689005U CN 202021293445 U CN202021293445 U CN 202021293445U CN 212689005 U CN212689005 U CN 212689005U
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Abstract
本实用新型涉及模板支撑的技术领域，尤其是涉及一种用于挡墙浇筑的悬挑式模板支撑结构，其包括沿水平方向设置的支撑杆、沿竖直方向设置的支撑板和倾斜设置的斜撑，所述支撑杆一端嵌于下层构造内，另一端与斜撑顶端相连，所述支撑板与下层构造的外侧壁相抵，支撑板顶端与支撑杆相连，底端与斜撑底端相连。本实用新型具有抗剪强度高，能够稳定地对模板进行支撑的效果。
The utility model relates to the technical field of formwork support, in particular to a cantilever formwork support structure for retaining wall pouring, which comprises a support rod arranged along a horizontal direction, a support plate arranged along a Diagonal bracing, one end of the supporting rod is embedded in the lower structure, the other end is connected with the top of the diagonal bracing, the supporting plate is abutted against the outer side wall of the lower structure, the top of the supporting plate is connected with the supporting rod, and the bottom end is connected with the bottom end of the diagonal bracing . The utility model has the effects of high shear strength and can stably support the template.
Description
Technical Field
The utility model belongs to the technical field of the technique that the template supported and specifically relates to a formula of encorbelmenting template bearing structure for barricade is pour is related to.
Background
Formwork support systems have been developed in response to advances in building construction technology. With the continuous progress of building construction technology, the variety of formwork support systems is gradually increased, various forms of multi-upright-rod steel pipe supports are formed in many countries at present, and the full-hall scaffold is taken as a representative in China.
The full hall scaffold support method is that the dead weight and the construction load of building structure are transmitted to the ground foundation from the die block in the construction process, and the dependence on the ground foundation is higher, and certain limitation exists during the use. Taking a river with large water head in a mountain area as an example, the water head is large during port construction, the built full framing scaffold can be submerged and washed by water flow, and the strength and stability of the full framing scaffold can not be guaranteed under the influence of the water flow.
To solve the similar problems, the Chinese patent with the publication number of CN203022345U discloses a bracket in a building structure formwork support, which comprises more than one anchor rod embedded in a column, a steel plate welded and fixed with the anchor rod, a strip-shaped steel plate welded and connected with the steel plate and provided with a clamping groove on the top surface, and a web plate welded and connected with the bottom surface of the strip-shaped steel plate, wherein a keel is erected on the strip-shaped steel plate, and a formwork is erected on the keel.
The bracket in the building structure formwork support is fixed on a column (namely a formed lower layer structure) by virtue of the anchor rod, and the keel for supporting the formwork is arranged on the strip-shaped steel plate, so that the weight of poured concrete is transferred to the column through the web plate and is not directly stressed by a ground foundation, and the construction structure formwork support is not limited by the ground foundation.
In the in-service use in-process, follow the stock, steel sheet and the two liang of welded fastening of bar steel sheet that the horizontal direction was arranged in proper order, and the pressure that the bar steel sheet received is along vertical direction, so stock and steel sheet welding department, steel sheet and bar steel sheet welding department all can bear great shearing force. Compared with the interior of the anchor rod, the steel plate and the strip-shaped steel plate, the shear strength of the welding part is relatively weak, and the bearing capacity of the bracket is limited. In the long-term use process, the welding parts are easy to crack and fall off. Therefore, the corbels in the formwork support of the building structure have the defects of insufficient shear strength and stability.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims at providing a formula of encorbelmenting template bearing structure for barricade is pour, it has shear strength height, can support the effect to the template steadily.
The above object of the present invention is achieved by the following technical solutions:
the utility model provides a formula of encorbelmenting template bearing structure for barricade is pour, includes the bracing piece that sets up along the horizontal direction, along the backup pad that vertical direction set up and the bracing that the slope set up, bracing piece one end inlays in the understructure, and the other end links to each other with the bracing top, the backup pad offsets with the lateral wall of understructure, and the backup pad top links to each other with the bracing piece, and the bottom links to each other with the bracing bottom.
Through adopting above-mentioned technical scheme, bracing piece one end embedding fashioned superstructure, the middle part links to each other with the backup pad, and the other end links to each other with the bracing, and the vertical shear force that it bore distributes inside integrated into one piece's bracing piece, does not have the restriction of weak points such as welding department, and shear strength is high, can support the template steadily.
The present invention may be further configured in a preferred embodiment as: one side of the supporting plate back to the lower layer structure is provided with a first screw rod, the first screw rod penetrates through the inclined strut, a first nut is sleeved on the first screw rod, and the first nut is abutted to one side of the inclined strut back to the lower layer structure.
Through adopting above-mentioned technical scheme, first screw rod one end links to each other with the backup pad, and the other end has first nut after passing the bracing, and first nut offsets with the bracing, prevents the bracing and removes to the backup pad dorsad, can form the support to the bracing on the one hand, makes the bracing be difficult for the backup pad bending deformation dorsad, and on the other hand then can strengthen the joint strength between bracing and the backup pad, has first nut to share the atress, and the bracing bottom is difficult for droing from the backup pad.
The present invention may be further configured in a preferred embodiment as: one side of backup pad dorsad lower floor's structure is equipped with the screw rod seat, first screw rod towards lower floor's structure one end and screw rod seat screw-thread fit.
By adopting the technical scheme, after the supporting plate and the inclined strut are assembled, the first screw penetrates through the inclined strut, and then the first screw is screwed on the screw seat, so that the first screw can be stably connected with the supporting plate; the first screw rod is arranged at the back, so that interference to the assembling process of the supporting plate and the inclined strut is avoided.
The present invention may be further configured in a preferred embodiment as: the first screw rod is sleeved with a support nut, and the support nut is abutted to one side, facing the lower-layer structure, of the inclined support.
Through adopting above-mentioned technical scheme, support nut offsets with the bracing towards one side of lower floor's structure, forms the support to the bracing, makes the bracing be difficult for towards lower floor's structure bending deformation.
The present invention may be further configured in a preferred embodiment as: and a cushion block is arranged on one side of the bottom end of the supporting plate, which is back to the lower layer structure, and the cushion block is propped against the bottom end of the inclined strut.
Through adopting above-mentioned technical scheme, when the bracing shared the vertical pressure that the bracing piece received, by the trend that moves down, so the bracing also can bear the shearing force along vertical direction with the junction of backup pad, set up the cushion and hold the bracing in the bracing below, can share the shearing force of bracing and backup pad junction, the pressure-bearing upper limit and the structural strength that have improved this department in a variable phase.
The present invention may be further configured in a preferred embodiment as: the joint of the top end of the cushion block and the supporting plate is in arc transition, and the top end of the cushion block is attached to the bottom end of the inclined strut.
Through adopting above-mentioned technical scheme, when the bracing atress was shared to the cushion, also had the shearing force between cushion and the backup pad, made the junction of cushion and backup pad be the circular arc transition, can disperse stress, and then made this department difficult tear.
The present invention may be further configured in a preferred embodiment as: the second screw rod is arranged at the joint of the support rod and the inclined strut in a penetrating mode, second nuts are sleeved on the second screw rod in pairs, and the second nuts respectively abut against one sides of the support rod and the inclined strut, wherein the sides of the support rod and the inclined strut are back to back.
Through adopting above-mentioned technical scheme, two second nuts offset with bracing piece and bracing one side that backs on the back respectively, can make the bracing piece and be connected more stably between the bracing piece.
The present invention may be further configured in a preferred embodiment as: the bracing piece is worn to locate the backup pad top, the backup pad top is equipped with the reinforcing plate, the reinforcing plate offsets with the upper surface of bracing piece.
Through adopting above-mentioned technical scheme, the reinforcing plate strengthens the backup pad top, makes the difficult fracture in backup pad top, and the backup pad can support the bracing bottom steadily.
To sum up, the utility model discloses a following at least one useful technological effect:
1. the shear strength is high, and the template can be stably supported;
2. the first screw and the first nut can support the inclined strut, so that the inclined strut is not easy to bend and deform back to the support plate, and the connection strength between the inclined strut and the support plate can be enhanced;
3. the cushion can improve the bearing upper limit and the structural strength of bracing and backup pad junction.
Drawings
FIG. 1 is an overall sectional view of embodiment 1;
FIG. 2 is a schematic view of the entire structure of embodiment 2;
FIG. 3 is a schematic view of the entire structure of embodiment 3.
In the figure, 1, a support rod; 2. a support plate; 3. bracing; 4. a lower layer construction; 11. a second screw; 12. a second nut; 21. a first screw; 22. a first nut; 23. a screw seat; 24. a support nut; 25. cushion blocks; 26. a reinforcing plate; 41. caisson; 42. an unloading plate; 43. and (4) reinforcing steel bar meshes.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example 1:
referring to fig. 1, for the utility model discloses a formula of encorbelmenting template bearing structure for barricade is pour, including bracing piece 1, backup pad 2 and bracing 3.
Referring to fig. 1, the support rod 1 is horizontally disposed and made of a cylindrical steel bar having a diameter of 4cm and a length of 45 cm.
Referring to fig. 1, the support plate 2 is a steel plate having a width of about 8cm, a thickness of 1cm, and a height of 25cm to 30cm, and the support plate 2 is perpendicular to the support rod 1. The support rod 1 penetrates through the top end of the support plate 2, and the support rod and the support plate are welded and fixed. The length of the support rod 1 on one side of the support plate 2 is 20cm, and the length of the support rod 1 on the other side is 24 cm.
Referring to fig. 1, the inclined strut 3 is located in the same vertical plane as the support rod 1 and is disposed to be inclined with respect to the support rod 1. The inclined strut 3 is also made of a cylindrical steel bar with the diameter of 4cm, the bottom end of the inclined strut is welded and fixed with the bottom end of the supporting plate 2, the top end of the inclined strut is welded and fixed with the supporting rod 1, and the length of the projection of the inclined strut 3 on the supporting rod 1 is about 15 cm.
When in use, the support rod 1 positioned on the side of the support plate 2 opposite to the inclined strut 3 is completely immersed in the lower layer structure 4, and the support plate 2 is abutted against the outer side wall of the lower layer structure 4. The formwork frame of the upper retaining wall is arranged on the supporting rod 1 and supported by the supporting rod 1.
Referring to fig. 1, the lower layer structure 4 here is exemplified by a caisson 41 and a relief plate 42. The caisson 41 is a prefabricated member, and the unloading plate 42 is cast and formed on the top end face of the caisson 41 in situ. The unloading plate 42 can be pre-buried with a plastic pipeline and a counter bore can be formed when the unloading plate 42 is poured, and a hole can be drilled in the unloading plate 42 after the unloading plate 42 is poured, so that the support rod 1 can be conveniently penetrated.
Referring to fig. 1, two layers of steel mesh sheets 43 are arranged in the unloading plate 42, and the two layers of steel mesh sheets 43 are respectively positioned above and below the supporting rod 1, so that the strength of the unloading plate 42 can be effectively enhanced.
The implementation principle of the embodiment is as follows:
one end of the support rod 1 is embedded into the formed lower layer structure 4, the middle part of the support rod is connected with the support plate 2, the other end of the support rod is connected with the inclined strut 3, the vertical shearing force borne by the support rod is distributed inside the support rod 1 which is integrally formed, the limit of weak points such as welding positions is avoided, the shearing strength is high, and the template can be stably supported.
Example 2:
the difference from embodiment 1 is that, referring to fig. 2, the positions where the support rod 1 and the support plate 2, the support rod 1 and the inclined strut 3, and the inclined strut 3 and the support plate 2 are welded are reinforced.
Referring to fig. 2, a reinforcing plate 26 is welded to the top end of the support plate 2, the reinforcing plate 26 is parallel to the support plate 2, the thickness of the reinforcing plate 26 is slightly greater than that of the support plate 2, and the reinforcing plate 26 abuts against the upper surface of the support rod 1. After the reinforcing plate 26 is arranged, the supporting plate 2 can be hung on the supporting rod 1 more stably, and the top end of the supporting plate 2 is not easy to crack.
Referring to fig. 2, a second screw 11 penetrates through the joint of the support rod 1 and the inclined strut 3, the second screw 11 is arranged along the vertical direction and slidably penetrates through the support rod 1 and the inclined strut 3 along the length direction of the second screw. The top of the second screw 11 is sleeved with a second nut 12, and the second nut 12 abuts against the upper surface of the support rod 1. The bottom of the second screw 11 is also sleeved with a second nut 12, and the second nut 12 is abutted against the lower surface of the inclined strut 3.
The two second nuts 12 are matched with the second screw rods 11 to hoop the support rod 1 and the inclined strut 3, so that the support rod and the inclined strut are not easy to fall off.
Referring to fig. 2, a screw seat 23 is welded at the bottom of the support plate 2 towards one side of the inclined strut 3, a threaded hole is formed in one side, back to the support plate 2, of the screw seat 23, and the axes of the screw seat 23 and the threaded hole are perpendicular to the axis of the inclined strut 3.
Referring to fig. 2, the axis of the first screw 21 coincides with the axis of the threaded hole, the first screw 21 is slidably disposed on the inclined strut 3, and one end of the first screw 21 is in threaded engagement with the screw seat 23. In addition, the first screw 21 is sleeved with a support nut 24 and a first nut 22, both of which are threadedly engaged with the first screw 21.
Referring to fig. 2, the first nut 22 abuts against a side of the inclined strut 3 facing away from the support plate 2, and the support nut 24 abuts against a side of the inclined strut 3 facing toward the support plate 2. The first nut 22 and the support nut 24 cooperate to support and limit the inclined strut 3, so that the inclined strut 3 is not easy to bend and deform and is not easy to separate from the support plate 2.
Example 3:
the difference from embodiment 2 is that, referring to fig. 3, the way of reinforcing the welded portion of the sprag 3 and the support plate 2 is different.
Referring to fig. 3, a cushion block 25 is welded at the bottom end of the support plate 2 towards one side of the inclined strut 3, and the joint of the top end of the cushion block 25 and the support plate 2 is in arc transition. The bottom end of the inclined strut 3 is partially welded on the supporting plate 2, and partially abuts against the top end of the cushion block 25.
The cushion block 25 supports the inclined strut 3, shares the shearing force at the welding part of the inclined strut 3 and the supporting plate 2, and improves the structural strength at the welding part.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021293445.0U CN212689005U (en) | 2020-07-04 | 2020-07-04 | Cantilever formwork support structure for retaining wall pouring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021293445.0U CN212689005U (en) | 2020-07-04 | 2020-07-04 | Cantilever formwork support structure for retaining wall pouring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212689005U true CN212689005U (en) | 2021-03-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021293445.0U Expired - Fee Related CN212689005U (en) | 2020-07-04 | 2020-07-04 | Cantilever formwork support structure for retaining wall pouring |
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| Country | Link |
|---|---|
| CN (1) | CN212689005U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113530192A (en) * | 2021-08-16 | 2021-10-22 | 中国铁道科学研究院集团有限公司 | Multi-support cantilevered scaffolding structure for ultra-high vertical rock slope |
| CN113957919A (en) * | 2021-11-20 | 2022-01-21 | 中铁广州工程局集团有限公司 | Gravity type round caisson concrete breast wall bottom die supporting system |
-
2020
- 2020-07-04 CN CN202021293445.0U patent/CN212689005U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113530192A (en) * | 2021-08-16 | 2021-10-22 | 中国铁道科学研究院集团有限公司 | Multi-support cantilevered scaffolding structure for ultra-high vertical rock slope |
| CN113957919A (en) * | 2021-11-20 | 2022-01-21 | 中铁广州工程局集团有限公司 | Gravity type round caisson concrete breast wall bottom die supporting system |
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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: 20210312 |