CN220081445U - Automatic rebound top die device for positioning tunnel secondary lining embedded part - Google Patents
Automatic rebound top die device for positioning tunnel secondary lining embedded part Download PDFInfo
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- CN220081445U CN220081445U CN202321585600.XU CN202321585600U CN220081445U CN 220081445 U CN220081445 U CN 220081445U CN 202321585600 U CN202321585600 U CN 202321585600U CN 220081445 U CN220081445 U CN 220081445U
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- sleeve
- embedded part
- pressure spring
- positioning
- secondary lining
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 54
- 239000010959 steel Substances 0.000 claims abstract description 54
- 238000004873 anchoring Methods 0.000 claims abstract description 28
- 230000002787 reinforcement Effects 0.000 claims description 6
- 238000009435 building construction Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 8
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- 101100334009 Caenorhabditis elegans rib-2 gene Proteins 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Lining And Supports For Tunnels (AREA)
Abstract
The utility model belongs to the technical field of building construction, and particularly provides an automatic rebound top die device for positioning a secondary lining embedded part of a tunnel, which comprises an embedded steel plate, wherein one side of the embedded steel plate is fixedly connected with a plurality of anchoring steel bars, a sleeve is sleeved on each anchoring steel bar, and the sleeve is of a tubular structure with a through cavity inside; the sleeve and the anchoring steel bar can slide relatively; the anchor bar is also sleeved with a pressure spring, one end of the pressure spring is connected with the anchor bar, and the other end of the pressure spring is connected with the sleeve. The device can be manufactured by self, is simple to operate, low in cost and convenient to use, and the embedded part has an automatic rebound top die function by arranging the structures such as the pressure spring, the sleeve and the like; after pouring concrete and demoulding, the embedded steel plate is flush with the exposed surface of the concrete, and the appearance is attractive.
Description
Technical Field
The utility model belongs to the technical field of constructional engineering, and particularly relates to an automatic rebound top mold device for positioning a tunnel secondary lining embedded part.
Background
Because of the design needs, the embedded part needs to be installed in advance in the structural concrete, and most of the embedded part is directly welded with the secondary lining reinforcement cage, the following problems often exist according to the construction effect of the traditional process: 1) The embedded part is lost, and after concrete pouring and demoulding, the embedded part cannot be found; 2) The embedded part is embedded deeply, so that the thickness of the concrete structure is influenced; 3) The concrete covering the embedded part needs to be manually chiseled, so that the concrete around the embedded part is damaged, and the appearance is not attractive.
After retrieval, a positioning device for controlling the position of an embedded part also appears in the prior art, for example, the method for constructing the embedded part of the steel structure of the shear wall without picking is disclosed in the patent with the application publication number of CN109296204A, the method is used for manufacturing the embedded part with a positioning screw, the positioning screw is fastened by adopting a fixed nut and a movable nut, after the steel bar of the shear wall is bound, the embedded part is temporarily fixed at the design position of the shear wall, then a concrete pouring template of the shear wall is supported, and a steel plate of the embedded part is abutted against the template; the template is provided with holes at the position of the positioning screw rod of the embedded part, so that the positioning screw rod of the embedded part penetrates out of the hole site of the template; and pouring shear wall concrete, and removing the movable nuts, the templates and the positioning screws in sequence after the condition of removing the die is achieved, so that the construction of the embedded part is completed.
Although the device can realize the positioning of the embedded part, the device needs to be provided with holes at the design positions corresponding to the templates in practical application, and the structure of the template is damaged and is inconvenient to process; in addition, when the device is used, the positioning screw rod, the movable nut and the like are required to be disassembled and assembled, so that the workload is increased, and the construction efficiency is required to be improved.
Disclosure of Invention
In order to solve the problems in the prior art, the automatic rebound top mold device for positioning the embedded part of the tunnel second lining is provided, and the automatic rebound top mold device can be automatically processed and manufactured, is simple to operate, low in cost and convenient to use, has an automatic rebound top mold function, and does not need to carry out additional punching processing on a template.
The technical scheme adopted for solving the technical problems is as follows:
the technical scheme provides an automatic rebound top mold device for positioning a tunnel secondary lining embedded part, which comprises an embedded steel plate, wherein one side of the embedded steel plate is fixedly connected with a plurality of anchoring steel bars, a sleeve is sleeved on each anchoring steel bar, and the sleeve is of a tubular structure with a through cavity inside; the sleeve and the anchoring steel bar can slide relatively; the anchor bar is also sleeved with a pressure spring, one end of the pressure spring is connected with the anchor bar, and the other end of the pressure spring is connected with the sleeve.
Preferably, a spring seat is welded at one end of the sleeve, and one end of the pressure spring is connected with the spring seat.
Preferably, the spring seat is a gasket, and the gasket is fixedly welded with the sleeve; the gasket is of a circular ring structure, the circular ring is provided with a central hole, and the anchoring steel bars freely penetrate through the central hole.
Preferably, the spring seat is provided with two stress rods, the stress rods are welded at one end of the pressure spring, a space is reserved between the two stress rods, and the anchoring steel bar can freely penetrate through the two stress rods; the stress rod is connected with the sleeve.
Preferably, one end of the anchoring bar is provided with a hook.
Preferably, the outer wall of the sleeve is welded with a fixed main rib, and the fixed main rib is welded with a two-lining reinforcement cage.
Compared with the prior art, the utility model has the following advantages:
1. the device can be manufactured by self, is simple to operate, low in cost and convenient to use, and has the functions of automatically rebounding and pushing the die by arranging the structures such as the pressure spring and the sleeve, so that the die plate is not required to be additionally punched, and when the device is used, the lining trolley die plate is in place, in the process of being in place, the lining trolley die plate is tightly attached to the embedded steel plate, the embedded steel plate is reinforced and then moved along with the pushing and stretching of the die plate, meanwhile, the pressure spring is stressed to be compressed, and the embedded steel plate is tightly attached to the lining trolley die plate under the acting force of the pressure spring; after pouring concrete and demoulding, the embedded steel plate is flush with the exposed surface of the concrete, and the appearance is attractive.
2. The spring seat in the device has two structural forms, namely a gasket form and a stress rod form, and the two structural forms have the advantages of convenience in material drawing and easiness in processing and manufacturing.
Drawings
The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
fig. 1 is a schematic structural diagram of an automatic rebound top mold device for positioning a tunnel secondary lining embedded part according to the first embodiment.
Fig. 2 is a side view of the pre-buried steel plate structure of fig. 1.
Fig. 3 is a schematic view of the utility model of fig. 1 when installed.
Fig. 4 is a schematic view of the construction of the utility model of fig. 1 with the lining trolley form in place.
Fig. 5 is a schematic view of the structure of the utility model of fig. 1 after casting concrete and demolding.
Fig. 6 is a front view of a connection relationship structure between a compression spring and a stress rod in the second embodiment.
Fig. 7 is a side view of a connection relationship between a compression spring and a stress rod in the second embodiment.
Reference numerals illustrate:
11. embedding a steel plate; 12. anchoring the steel bars; 2. fixing the main reinforcement; 3. a sleeve; 4. a pressure spring; 41. a gasket; 42. a force-bearing rod; 5. designing a position line; 6. lining trolley templates; 7. and (3) concrete.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
Example 1
As shown in fig. 1-5, the embodiment provides an automatic rebound top mold device for positioning a tunnel secondary lining embedded part, which comprises an embedded steel plate 11, wherein one side of the embedded steel plate 11 is fixedly connected with a plurality of anchoring steel bars 12, and the number of the anchoring steel bars 12 in the embodiment is 4; the anchoring steel bar 12 is sleeved with a sleeve 3, and the sleeve 3 is of a tubular structure with a through cavity inside; the sleeve 3 and the anchoring steel bars 12 can slide relatively; the anchor bar 12 is also sleeved with a pressure spring 4, one end of the pressure spring 4 is connected with the anchor bar 12, and the other end is connected with the sleeve 3.
In this embodiment, in order to facilitate the connection between the sleeve 3 and the compression spring 4, we have also designed a spring seat, one end of the sleeve 3 is welded with the spring seat, and one end of the compression spring 4 is connected with the spring seat.
The spring seat may adopt two structural forms, and the structural forms in this embodiment are as follows:
the spring seat is a gasket 41, and the gasket 41 is fixedly welded with the sleeve 3; the gasket 41 is of a circular ring structure, the circular ring is provided with a central hole, the anchoring steel bar 12 freely penetrates through the central hole, the aperture of the central hole is larger than that of the anchoring steel bar 12, and smooth sliding between the anchoring steel bar 12 and the sleeve 3 is ensured.
In this embodiment, one end of the anchor bar 12 has a hook to increase the anchoring force.
The outer wall of the sleeve 3 is welded with a fixed main rib 2, and the fixed main rib 2 is welded with a longitudinal rib of the two lining reinforcement cages to fix the position of the sleeve 3.
Referring to fig. 3-5, the construction process of the device comprises the following steps:
1. machining of embedded parts
1. Penetrating the compression spring 4 and the sleeve 3 from the bottom of the anchoring steel bar 12; after penetration, the anchoring bar 12 is bent to form an elbow.
2. Mounting of embedded part
1. Measuring the embedded position of the paying-off embedded part;
2. welding and fixing reinforcing steel bars on longitudinal bars of the second lining reinforcement cage;
3. the fixed sleeve 3 is welded on the fixed steel bar, the welding position of the fixed sleeve 3 is determined by the distance between the fixed steel bar and the surface of the secondary lining concrete, and the embedded steel plate 11 is enabled to protrude 2-4 cm outside the secondary lining concrete when the embedded part is arranged at the specified position; the broken line in fig. 3 is the design position line 5, i.e. the position of the outer surface of the cast secondary concrete.
3. Lining trolley form 6 in place
The lining trolley template 6 is in place, in the process of placing in place, the template is tightly attached to the embedded steel plate 11, the embedded steel plate 11 is reinforced and moves backwards along with the top extension of the template, meanwhile, the pressure spring 4 is compressed under force to provide resistance for the embedded part, and the embedded part is prevented from being excessively pushed to cause the embedded part to be embedded deeply.
4. Pouring concrete and demoulding
Pouring concrete, and after demoulding, enabling the embedded steel plate 11 to be flush with the exposed surface of the concrete 7, so that the appearance is attractive.
Example two
As shown in fig. 6-7, other structures are the same as those of the first embodiment, except that in this embodiment, the spring seat is another structure, and the specific structure is as follows:
the spring seat is provided with two stress rods 42, the stress rods 42 are welded at one end of the pressure spring 4, a space is reserved between the two stress rods 42, and the anchoring steel bar 12 can freely penetrate through the space between the two stress rods 42; the stress rod 42 is connected with the sleeve 3, and the stress rod 42 is welded with the sleeve 3.
As can be seen from the above examples:
the device can be manufactured by self, is simple to operate, low in cost and convenient to use, and has the functions of automatically rebounding and pushing the die by arranging the structures such as the pressure spring 4, the sleeve 3 and the like, so that extra punching processing is not required to be carried out on the die plate, when the device is used, the lining trolley die plate 6 is in place, in the process of being in place, the lining trolley die plate 6 is tightly attached to the embedded steel plate 11, the embedded steel plate 11 is reinforced and then moved along with the ejection of the die plate, meanwhile, the pressure spring 4 is stressed and compressed, and the embedded steel plate 11 is tightly attached to the lining trolley die plate 6 under the acting force of the pressure spring 4; after pouring concrete and demolding, the embedded steel plate 11 is flush with the exposed surface of the concrete, and the appearance is attractive.
The spring seat in the device has two structural forms, namely a gasket 41 form and a stress rod 42 form, and the two structural forms have the advantages of convenience in material drawing and easiness in processing and manufacturing.
While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.
Claims (6)
1. The automatic rebound top die device for positioning the embedded part of the second lining of the tunnel comprises an embedded steel plate (11), wherein one side of the embedded steel plate (11) is fixedly connected with a plurality of anchoring steel bars (12), and the automatic rebound top die device is characterized in that a sleeve (3) is sleeved on the anchoring steel bars (12), and the sleeve (3) is of a tubular structure with a through cavity inside; the sleeve (3) and the anchoring steel bar (12) can slide relatively; the anchoring steel bar (12) is also sleeved with a pressure spring (4), one end of the pressure spring (4) is connected with the anchoring steel bar (12), and the other end of the pressure spring is connected with the sleeve (3).
2. The automatic rebound top mold device for positioning the tunnel secondary lining embedded part according to claim 1, wherein a spring seat is welded at one end of the sleeve (3), and one end of the pressure spring (4) is connected with the spring seat.
3. The automatic rebound top mold device for positioning a tunnel secondary lining embedded part according to claim 2, wherein the spring seat is a gasket (41), and the gasket (41) is fixedly welded with the sleeve (3); the gasket (41) is of a circular ring structure, the circular ring is provided with a central hole, and the anchoring steel bar (12) freely penetrates through the central hole.
4. The automatic rebound top mold device for positioning a tunnel secondary lining embedded part according to claim 2, wherein the spring seat is two stress rods (42), the stress rods (42) are welded at one end of a pressure spring (4), a space is reserved between the two stress rods (42), and an anchor steel bar (12) can freely penetrate through the space between the two stress rods (42); the stress rod (42) is connected with the sleeve (3).
5. The automatic rebound top mold device for positioning a tunnel secondary lining embedded part according to claim 1, wherein one end of the anchoring steel bar (12) is provided with a hook.
6. The automatic rebound top mold device for positioning of a tunnel secondary lining embedded part according to claim 1, wherein the outer wall of the sleeve (3) is welded with a fixed main rib (2), and the fixed main rib (2) is welded with a secondary lining reinforcement cage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321585600.XU CN220081445U (en) | 2023-06-21 | 2023-06-21 | Automatic rebound top die device for positioning tunnel secondary lining embedded part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321585600.XU CN220081445U (en) | 2023-06-21 | 2023-06-21 | Automatic rebound top die device for positioning tunnel secondary lining embedded part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220081445U true CN220081445U (en) | 2023-11-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321585600.XU Active CN220081445U (en) | 2023-06-21 | 2023-06-21 | Automatic rebound top die device for positioning tunnel secondary lining embedded part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220081445U (en) |
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2023
- 2023-06-21 CN CN202321585600.XU patent/CN220081445U/en active Active
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