CN219772727U - High-altitude inverted cone type concrete structure construction formwork pull rod device - Google Patents
High-altitude inverted cone type concrete structure construction formwork pull rod device Download PDFInfo
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- CN219772727U CN219772727U CN202321195755.2U CN202321195755U CN219772727U CN 219772727 U CN219772727 U CN 219772727U CN 202321195755 U CN202321195755 U CN 202321195755U CN 219772727 U CN219772727 U CN 219772727U
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- 238000010276 construction Methods 0.000 title claims abstract description 108
- 238000009415 formwork Methods 0.000 title claims description 40
- 229910000831 Steel Inorganic materials 0.000 claims description 36
- 239000010959 steel Substances 0.000 claims description 36
- 238000004873 anchoring Methods 0.000 claims description 32
- 238000009434 installation Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000003796 beauty Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
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Abstract
The utility model belongs to the technical field of bridge pier construction, and particularly provides a construction template pull rod device of a high-altitude inverted cone type concrete structure, which is arranged on pier body concrete. The problems that when the existing inverted cone type concrete structure is constructed, a construction support is required to be erected, the workload is large, the post-treatment is difficult, the pull rod is adopted for fixing, one end of the template pull rod is directly fixedly connected to a certain structure in the pier body, and the template is difficult to accurately adjust are solved; according to the utility model, an external bracket is not required to be erected, the template is convenient to install and adjust, the post-construction treatment is convenient, the pull rod is not required to be cut, and the concrete is prevented from being damaged.
Description
Technical Field
The utility model belongs to the technical field of bridge pier construction, and particularly relates to a high-altitude inverted cone concrete structure construction formwork pull rod device.
Background
In bridge pier body design, for structural beauty and with pier body upper structure assortment, pier body top often adopts back taper structure. For inverted cone concrete structures, two kinds of processes are often adopted for construction. Firstly, adopt outer support mode, because it is usually high altitude construction, need set up the construction support when the construction of lower part pier shaft, work load is big and post treatment is difficult. Secondly, the template pull rod is fixed by adopting the pull rod, one end of the template pull rod is directly fixedly connected to a certain structure in the pier body, and the template is difficult to accurately adjust by the method.
The Chinese patent document with publication number of CN216474550U discloses a concrete high pier construction template device, which comprises a template arranged on the outer side of a pier body, an operation platform and a supporting frame; the operation platform is detachably arranged on the outer side of the template, and the template is supported on the support frame; the template comprises a standard template and an adjusting template, the cross section of the standard template is L-shaped, the standard template is arranged at four corners of the pier body, and two adjacent standard templates are connected through the adjusting template. This document requires the erection of an operating platform and a support frame during construction.
The Chinese patent document with the publication number of CN 215561716U discloses a road bridge construction formwork fixing opposite pull rod structure, which comprises a connecting rod, wherein two ends of the connecting rod are respectively inserted with an adjusting mechanism, and the adjusting mechanism comprises a sleeve, a conical tube sleeved at one end of the outer wall of the sleeve and a fastening assembly sleeved at the other end of the outer wall of the sleeve. The screw rod is rotated through the knob to enable the lantern ring to expand and relax, the inserting position of the connecting rod and the sleeve can be adjusted, the length of the pull rod can be adjusted and changed, and then the requirements of different distances between two templates can be met. However, this document does not allow a fixed installation of the construction module.
Disclosure of Invention
The utility model provides a formwork pull rod device for construction of a high-altitude inverted cone type concrete structure, which aims to solve the problems that in the prior art, when an inverted cone type concrete structure is constructed, a construction support is required to be erected when a lower pier body is constructed, the workload is large and the post treatment is difficult; or when the inverted cone type concrete structure is constructed, the pull rod is adopted for fixing, one end of the template pull rod is directly fixedly connected to a certain structure in the pier body, and the method is difficult to accurately adjust the template.
For inverted cone concrete structures, two kinds of processes are often adopted for construction. Firstly, adopt outer support mode, because it is usually high altitude construction, need set up the construction support when the construction of lower part pier shaft, work load is big and post treatment is difficult. Secondly, the template pull rod is fixed by adopting the pull rod, one end of the template pull rod is directly fixedly connected to a certain structure in the pier body, and the template is difficult to accurately adjust by the method.
The utility model provides a construction formwork pull rod device for a high-altitude inverted cone-shaped concrete structure, which is arranged on pier body concrete and comprises a stand column, a reverse pull unit, pull rod units and a construction formwork, wherein the number of the reverse pull units and the number of the pull rod units are multiple, the left side of the stand column is sequentially connected with the pier body concrete through the reverse pull units from top to bottom, the right side of the stand column is sequentially connected with the construction formwork through the pull rod units from top to bottom, and the bottom end of the construction formwork is connected with the upper outer side of the pier body concrete.
Preferably, the reverse pulling unit comprises an embedded part and a reverse pulling rod, and the upright post is connected with pier body concrete from top to bottom sequentially through the reverse pulling rod and the embedded part.
Preferably, the pull rod unit comprises a movable section pull rod, an anchor section pull rod, a movable connecting piece I and a movable connecting piece II, wherein the upright post is connected with the upper part of the movable connecting piece I through the anchor section pull rod, the lower part of the movable connecting piece I is connected with the upper part of the movable section pull rod, and the lower part of the movable section pull rod penetrates through the construction formwork to be connected with the movable connecting piece II.
Preferably, the first movable connecting piece is a sleeve.
Preferably, the movable connecting piece II comprises a movable end nut and a movable end nut base plate, and the movable end nut base plate and the movable end nut are sequentially sleeved on the movable section pull rod outside the construction template from top to bottom.
Preferably, the pull rod unit further comprises a sleeve base plate, and the sleeve base plate is sleeved on the pull rod of the movable section between the sleeve and the construction template.
Preferably, the pull rod unit further comprises a connecting seat, and the pull rod of the anchoring section is connected with the upright post through the connecting seat.
Preferably, the connecting seat comprises 2 steel plates at the bottom of the seat and 1 steel plate at the top of the seat, the steel plates at the top of the seat are connected with the upright posts through 2 steel plates at the bottom of the seat, the 2 steel plates at the bottom of the seat are vertically spaced from the front to the back and are connected with the lower surfaces of the steel plates at the top of the seat, and the steel plates at the top of the seat are provided with pull rod holes.
Preferably, the pull rod unit further comprises an anchoring end nut and an anchoring end base plate, the upper end of the pull rod of the anchoring section penetrates through the pull rod hole, and the pull rod of the anchoring section outside the pull rod hole is sequentially sleeved with the anchoring end nut and the anchoring end base plate from top to bottom.
Preferably, the shape of the seat bottom steel plate is triangle, and the hypotenuse of the triangle is connected with the upright post.
The utility model has the beneficial effects that:
1. the utility model provides a construction formwork pull rod device for a high-altitude inverted cone-shaped concrete structure, which comprises a stand column, a reverse pull unit, a pull rod unit and a construction formwork, wherein the stand column is a support column connected with the construction formwork during construction; the right side of the upright post is connected with a construction template through a plurality of pull rod units from top to bottom in sequence, and the bottom end of the construction template is connected with the outer side of the upper surface of the pier body concrete; the fixation of the construction template is simply and effectively realized; the left side of stand from top to bottom loops through a plurality of reverse pull units and connects pier shaft concrete, and reverse pull unit is located the opposite side of pull rod unit, because the traction force of construction template side when avoiding the construction leads to the stand to incline to construction template side, guarantees the stationarity of structure during the construction.
2. The pull rod unit comprises a movable section pull rod, an anchoring section pull rod, a movable connecting piece I and a movable connecting piece II, the pull rod is divided into the movable section pull rod and the anchoring section pull rod, the later pull rod cutting is avoided, and the concrete structure can be effectively protected; the two ends of the movable section pull rod and the two ends of the anchor section pull rod are movably connected, so that the construction template can be conveniently adjusted during installation, and the construction template can be accurately adjusted.
3. The high-altitude inverted cone type concrete structure construction formwork pull rod device provided by the utility model has the advantages that the sleeve base plate is sleeved on the outer side of the movable section pull rod between the sleeve and the construction formwork, the sleeve base plate is taken out after the construction formwork is removed, and concrete is refilled, so that the problem that the thickness of a concrete protection layer is insufficient due to the fact that the sleeve is directly contacted with the construction formwork is avoided.
Drawings
The present utility model will be described in further detail with reference to the accompanying drawings.
FIG. 1 is a schematic diagram of the overall structure of a formwork tie device for construction of a high-altitude inverted cone concrete structure;
fig. 2 is a front view of the structure of the connection base;
fig. 3 is a right side view of the structure of the connection base.
Reference numerals illustrate: 1. a column; 2. an embedded part; 3. a reverse pull rod; 4. constructing a template; 5. back edges of the template; 6. a movable section pull rod; 7. a movable end nut; 8. an anchor section pull rod; 9. a movable connecting piece I; 10. a sleeve backing plate; 11. a connecting seat; 12. an anchor end nut; 13. pier body concrete; 14. a movable end nut backing plate; 15. anchoring the end backing plate; 11-1, a seat bottom steel plate; 11-2, a seat top steel plate; 11-3, a pull rod hole.
Detailed Description
The principles and features of the present utility model are described below with reference to the drawings.
Example 1:
as shown in FIG. 1, a construction formwork pull rod device for a high-altitude inverted cone-shaped concrete structure is installed on pier body concrete 13, the construction formwork pull rod device comprises upright posts 1, reverse pull units, pull rod units and construction formworks 4, the number of the reverse pull units and the number of the pull rod units are multiple, the left side of each upright post 1 sequentially passes through the reverse pull units from top to bottom to be connected with the pier body concrete 13, and the right side of each upright post 1 sequentially passes through the pull rod units from top to bottom to be connected with the construction formworks 4 and the bottom end of the construction formwork 4 to be connected with the upper outer side of the pier body concrete 13.
Specifically, the upright column 1 is a section steel upright column, and has simple structure and convenient material drawing.
The upright column 1 is a pillar connected with a construction template 4 during construction; the right side of the upright column 1 is connected with a construction formwork 4 through a plurality of pull rod units from top to bottom in sequence, and the bottom end of the construction formwork 4 is connected with the upper outer side of pier body concrete 13; the fixation of the construction template is simply and effectively realized; the left side of stand 1 loops through a plurality of reverse pull units from top to bottom and connects pier shaft concrete 13, and reverse pull unit is located the opposite side of pull rod unit, avoids when constructing because the traction force of construction template 4 side, leads to stand 1 to incline to construction template 4 side, guarantees the stationarity of structure during the construction. The number of the reverse pulling units and the pull rod units is selected according to actual conditions, and the construction requirements are met.
Example 2:
on the basis of embodiment 1, the reverse pulling unit comprises an embedded part 2 and a reverse pulling rod 3, and the upright column 1 is connected with pier body concrete 13 through the reverse pulling rod 3 and the embedded part 2 from top to bottom.
Specifically, the embedded part 2 is embedded section steel, and the counter pull rod 3 is counter pull steel bar; the method comprises the steps of installing a stand column 1 and an embedded part 2 before pier body concrete 13 construction, and installing a counter-pulling steel bar 3 after the pier body concrete 13 construction is completed, so that the stand column 1 is firmly connected through the embedded part 2.
Specifically, the embedded part 2 and the upright post 1 are welded and connected with counter-pulling steel bars; the connection mode is simple, and the stability is better after connection.
Preferably, the pull rod unit comprises a movable section pull rod 6, an anchoring section pull rod 8, a first movable connecting piece 9 and a second movable connecting piece, wherein the upright column 1 is connected with the upper part of the first movable connecting piece 9 through the anchoring section pull rod 8, the lower part of the first movable connecting piece 9 is connected with the upper part of the movable section pull rod 6, and the lower part of the movable section pull rod 6 penetrates through the construction formwork 4 to be connected with the second movable connecting piece.
Specifically, the pull rod is divided into a movable section pull rod 6 and an anchoring section pull rod 8, so that later pull rod cutting is avoided, and the concrete structure can be effectively protected; the two ends of the movable section pull rod 6 and the two ends of the anchor section pull rod 8 are movably connected, so that the construction template 4 can be conveniently adjusted during installation, and the construction template can be accurately adjusted.
Preferably, the first movable connecting piece 9 is a sleeve.
The sleeve is a finished product, can be prefabricated in advance, can be used for industrial operation, does not occupy the construction period, is convenient and quick to operate and high in construction speed, and can bear pulling and pressure after being connected.
Preferably, the two movable connecting pieces comprise a movable end nut 7 and a movable end nut base plate 14, and the movable end nut base plate 14 and the movable end nut 7 are sequentially sleeved on the movable section pull rod 6 outside the construction formwork 4 from top to bottom.
The movable end nut 7 and the movable end nut base plate 14 play a role in fastening the adjusted movable section pull rod 6, and the connecting structure is simple and convenient to install and detach.
Preferably, the outside of the construction template 4 is provided with a template back edge 5, and the template back edge 5, the movable end nut backing plate 14 and the movable end nut 7 are sequentially sleeved on the movable section pull rod 6 outside the construction template 4 from top to bottom.
Specifically, the template back edge 5 is welded and connected with the construction template 4, and the template back edge 5 plays a role in reinforcing and supporting the construction template 4.
Preferably, the pull rod unit further comprises a sleeve base plate 10, and the sleeve base plate 10 is sleeved on the movable section pull rod 6 between the sleeve and the construction formwork 4.
The sleeve backing plate 10 is sleeved on the movable section pull rod 6 between the sleeve and the construction template 4, and the purpose is to take out the construction template 4 after the construction template 4 is removed and recharge concrete, so that the problem that the thickness of a concrete protection layer is insufficient due to direct contact between the sleeve and the construction template 4 is prevented.
Preferably, the sleeve gasket 10 is made of plastic or steel plate; can meet the use requirement.
Preferably, as shown in fig. 2 and 3, the pull rod unit further comprises a connecting seat 11, and the anchor section pull rod 8 is connected with the upright 1 through the connecting seat 11.
Specifically, the connecting seat 11 is used for conveniently connecting and adjusting the pull rod 8 of the anchoring section, and the structure of the protection upright column 1 is adopted.
Preferably, the connecting seat 11 comprises 2 seat bottom steel plates 11-1 and 1 seat top steel plate 11-2, the seat top steel plate 11-2 is connected with the upright column 1 through the 2 seat bottom steel plates 11-1, the 2 seat bottom steel plates 11-1 are vertically spaced from front to back and are connected with the lower surface of the seat top steel plate 11-2, and the seat top steel plate 11-2 is provided with a pull rod hole 11-3.
The seat bottom steel plate 11-1 plays a role in fixing and positioning, and the pull rod holes 11-3 are convenient for the connecting and anchoring section pull rod 8 to penetrate through.
Preferably, the pull rod unit further comprises an anchoring end nut 12 and an anchoring end backing plate 15, the upper end of the pull rod 8 of the anchoring section penetrates through the pull rod hole 11-3, and the pull rod 8 of the anchoring section outside the pull rod hole 11-3 is sequentially sleeved with the anchoring end nut 12 and the anchoring end backing plate 15 in an upward and downward direction.
The anchoring end nut 12 and the anchoring end pad 15 facilitate the fastening of the cross-connected anchoring section pull rod 8, and the connection is a detachable connection, thereby facilitating the adjustment, the installation and the disassembly.
Preferably, the shape of the seat bottom steel plate 11-1 is triangle, and the hypotenuse of the triangle is connected with the upright post 1.
The triangle has simple structure, longest hypotenuse contact line, and better stability and pressure resistance.
Preferably, the material of the connecting seat 11 is steel plate, and the connecting seat 11 is formed by welding 2 seat bottom steel plates 11-1 and 1 seat top steel plate 11-2. Simple structure and good bearing force.
The construction method of the high-altitude inverted cone concrete structure construction formwork pull rod device comprises the following steps:
in the construction of the high-altitude bridge pier body, the top of the pier body adopts an inverted cone structure, and the concrete operation is as follows: the method comprises the steps of installing a column 1 and an embedded part 2 before pier body concrete 13 is constructed, connecting one end of a reverse pull rod 3 with the embedded part 2 after pier body concrete 13 is constructed, connecting the other end of the reverse pull rod 3 with the column 1, simultaneously welding a connecting seat 11 on the column 1 according to the theoretical position of a pull rod anchoring section 8, assembling a construction template 4, a template back edge 5, a movable section pull rod 6, a movable end nut 7 and a movable end nut backing plate 14 into a whole (namely, the template back edge 5, the movable end nut backing plate 14 and the movable end nut 7 are sequentially sleeved on the movable section pull rod 6 outside a construction template 4 from top to bottom), hoisting the assembled whole to an installation position by hoisting equipment, precisely adjusting the position, installing a backing plate 10 (the sleeve backing plate 10 is sleeved on the outer side of the movable section pull rod 6 between a sleeve and the construction template 4), and assembling the movable section 6 of the pull rod, the pull rod anchoring section 8 and the sleeve 9 into a whole (the column 1 is connected with the upper part of the sleeve 9 through the anchor section pull rod 8, and the lower part of the sleeve 9 is connected with the upper part of the movable section pull rod 6). Finally, the integral fine adjustment of the die is carried out, the anchor end nut 12 and the anchor end backing plate 15 are installed after the position is correct, and the pull rod anchor section 8 is locked, so that the installation and construction of the whole construction template (namely the installation of the construction template with the inverted cone structure) are completed.
The high-altitude inverted cone concrete structure construction formwork pull rod device is stable in structure, convenient and fast to construct, wide in applicability, small in damage to the concrete structure and capable of meeting the field construction requirements. Need not to set up the external support, can be convenient carry out the template installation adjustment, construction completion aftertreatment is convenient simultaneously, need not to cut the pull rod, prevents to damage the concrete. And the nut or the bolt is used for fastening connection, so that the disassembly is convenient.
In the description of the present utility model, it should be understood that, if any, the terms "left," "inner," "right," and the like indicate an orientation or a positional relationship based on that shown in the drawings, rather than indicate or imply that the devices or elements being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus the terms describing the positional relationship in the drawings are for illustration only and are not to be construed as limiting the utility model.
The foregoing examples are merely illustrative of the present utility model and are not intended to limit the scope of the present utility model, and all designs that are the same or similar to the present utility model are within the scope of the present utility model.
Claims (10)
1. The utility model provides a high altitude reverse taper concrete structure construction template pull rod device, construction template pull rod device installs on pier shaft concrete (13), its characterized in that: construction template pull rod device includes stand (1), reverse pull unit, pull rod unit and construction template (4), and the quantity of reverse pull unit and pull rod unit is a plurality of, and the left side of stand (1) loops through a plurality of reverse pull unit from top to bottom and connects pier shaft concrete (13), and the right side of stand (1) loops through a plurality of pull rod unit from top to bottom and connects construction template (4) and the top outside of pier shaft concrete (13) of bottom connection of construction template (4).
2. The high altitude reverse taper concrete structure construction formwork tie bar apparatus of claim 1, wherein: the reverse pulling unit comprises an embedded part (2) and a reverse pulling rod (3), and the upright post (1) is connected with pier body concrete (13) through the reverse pulling rod (3) and the embedded part (2) from top to bottom.
3. The high altitude reverse taper concrete structure construction formwork tie bar apparatus of claim 1, wherein: the pull rod unit comprises a movable section pull rod (6), an anchor section pull rod (8), a movable connecting piece I (9) and a movable connecting piece II, wherein the upright column (1) is connected with the upper part of the movable connecting piece I (9) through the anchor section pull rod (8), the lower part of the movable connecting piece I (9) is connected with the upper part of the movable section pull rod (6), and the lower part of the movable section pull rod (6) penetrates through the construction formwork (4) to be connected with the movable connecting piece II.
4. A high altitude reverse taper concrete structure construction formwork tie bar apparatus as claimed in claim 3, wherein: the movable connecting piece I (9) is a sleeve.
5. A high altitude reverse taper concrete structure construction formwork tie bar apparatus as claimed in claim 3, wherein: the movable connecting piece II comprises a movable end nut (7) and a movable end nut base plate (14), and the movable end nut base plate (14) and the movable end nut (7) are sequentially sleeved on the movable section pull rod (6) at the outer side of the construction template (4) from top to bottom.
6. The high altitude reverse taper concrete structure construction formwork tie bar apparatus of claim 4, wherein: the pull rod unit further comprises a sleeve base plate (10), and the sleeve base plate (10) is sleeved on the movable section pull rod (6) between the sleeve and the construction template (4).
7. A high altitude reverse taper concrete structure construction formwork tie bar apparatus as claimed in claim 3, wherein: the pull rod unit further comprises a connecting seat (11), and the anchor section pull rod (8) is connected with the upright post (1) through the connecting seat (11).
8. The high altitude reverse taper concrete structure construction formwork tie bar apparatus of claim 7, wherein: the connecting seat (11) comprises 2 seat bottom steel plates (11-1) and 1 seat top steel plate (11-2), the seat top steel plate (11-2) is connected with the upright column (1) through the 2 seat bottom steel plates (11-1), the 2 seat bottom steel plates (11-1) are vertically spaced from front to back and are connected with the lower surface of the seat top steel plate (11-2), and the seat top steel plate (11-2) is provided with a pull rod hole (11-3).
9. The high altitude reverse taper concrete structure construction formwork tie bar apparatus of claim 8, wherein: the pull rod unit further comprises an anchoring end nut (12) and an anchoring end base plate (15), the upper end of the anchoring section pull rod (8) penetrates through the pull rod hole (11-3), and the anchoring section pull rod (8) at the outer side of the pull rod hole (11-3) is sequentially sleeved with the anchoring end nut (12) and the anchoring end base plate (15) from top to bottom.
10. The high altitude reverse taper concrete structure construction formwork tie bar apparatus of claim 8, wherein: the seat bottom steel plate (11-1) is triangular in shape, and the hypotenuse of the triangle is connected with the upright post (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321195755.2U CN219772727U (en) | 2023-05-17 | 2023-05-17 | High-altitude inverted cone type concrete structure construction formwork pull rod device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321195755.2U CN219772727U (en) | 2023-05-17 | 2023-05-17 | High-altitude inverted cone type concrete structure construction formwork pull rod device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219772727U true CN219772727U (en) | 2023-09-29 |
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ID=88104849
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321195755.2U Active CN219772727U (en) | 2023-05-17 | 2023-05-17 | High-altitude inverted cone type concrete structure construction formwork pull rod device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219772727U (en) |
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2023
- 2023-05-17 CN CN202321195755.2U patent/CN219772727U/en active Active
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