CN209874480U - Repeatedly usable's expansion joint construction template - Google Patents
Repeatedly usable's expansion joint construction template Download PDFInfo
- Publication number
- CN209874480U CN209874480U CN201920075403.0U CN201920075403U CN209874480U CN 209874480 U CN209874480 U CN 209874480U CN 201920075403 U CN201920075403 U CN 201920075403U CN 209874480 U CN209874480 U CN 209874480U
- Authority
- CN
- China
- Prior art keywords
- expansion joint
- air bag
- gasbag
- baffle
- backplate
- Prior art date
- 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
Links
- 238000010276 construction Methods 0.000 title claims abstract description 41
- 238000009415 formwork Methods 0.000 claims abstract description 19
- 239000000725 suspension Substances 0.000 claims description 23
- 229910000831 Steel Inorganic materials 0.000 claims description 15
- 239000010959 steel Substances 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 6
- 239000000523 sample Substances 0.000 claims description 3
- 239000006260 foam Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 239000011094 fiberboard Substances 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
The utility model provides a repeatedly usable's expansion joint construction formwork relates to construction technical field. This repeatedly usable's expansion joint construction formwork, half heavy groove is seted up to prefab terminal surface top, be initial expansion joint between the below of adjacent prefab terminal surface, be platelike structure after the gasbag aerifys, the lower extreme of gasbag is arranged in initial expansion joint, baffle and backplate before setting up between the front and back side of gasbag and the inner wall at initial expansion joint, the upper end of preceding baffle and the upper end of backplate all extend from initial expansion joint and are higher than half heavy groove, the upper end of gasbag is from the overhead gage, the top of backplate exposes, baffle and backplate before the connection can be dismantled to the upper end of gasbag through support piece, set up on the gasbag and fill the gas port. The utility model has the advantages that: the thickness and the pressure of the template can be adjusted according to the inflation quantity of the air bag, so that the template is suitable for construction of expansion joints with various sizes, can be repeatedly used, is simple and convenient to assemble, occupies small space after being stored, and is convenient to transport and store.
Description
Technical Field
The utility model relates to a construction technical field especially relates to a repeatedly usable's expansion joint construction template.
Background
At present, foam boards or fiber boards are generally used as templates in the construction process of expansion joints. Foam board or fibreboard in case the machine-shaping, just can only be used for the construction of the expansion joint of fixed size, and can only disposable, can only make the template again to the expansion joint of not unidimensional. The foam board or the fiber board occupies a large space in the transportation process, and the transportation cost is high. The foam board or the fiber board is easy to move when the concrete is vibrated, so that the mortar flows into the expansion joint, thereby influencing the expansion and contraction. In addition, in order to prevent concrete from entering the grooves on the inner side of the section steel from the upper seam, the upper surface of the section steel needs to be sealed by rubberized fabric.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a repeatedly usable's expansion joint construction template solves present expansion joint construction template and can not adapt to the not technical problem that different width expansion joints construction and template can not used repeatedly.
The utility model provides a repeatedly usable's expansion joint construction formwork, including the prefab, the gasbag, preceding baffle, backplate and support piece, half heavy groove has been seted up to the top of prefab terminal surface, adjacent half heavy tank bottom surface parallel and level of prefab, leave initial expansion joint between the below of adjacent prefab terminal surface, be platelike structure after the gasbag aerifys, the lower extreme of gasbag is located initial expansion joint, baffle before setting up between the leading flank of gasbag and the inner wall of initial expansion joint, set up the backplate between the trailing flank of gasbag and another inner wall of initial expansion joint, the upper end of preceding baffle and the upper end of backplate all extend from initial expansion joint and are higher than half heavy groove, the upper end of gasbag is in the past baffle, the top of backplate exposes, baffle and backplate before the connection can be dismantled to the upper end of gasbag through support piece, be provided with the inflation and deflation port on the gasbag.
Furthermore, the lower end of the air bag is exposed from the lower parts of the front baffle and the rear baffle, and the air bag contacts with the two inner walls of the initial expansion joint after the air bag is inflated.
Furthermore, the upper end of the front baffle and the upper end of the rear baffle are both bent in the direction away from the air bag to form an outer probe plate.
Furthermore, the upper end of the front baffle and the upper end of the rear baffle are both bent by 90 degrees in the direction away from the air bag.
Furthermore, the prefabricated part also comprises two section steels, the outer surface of the front baffle and the lower surface of the outer detection plate of the front baffle are jointly wrapped by one section steel, and the outer surface of the rear baffle and the lower surface of the outer detection plate of the rear baffle are jointly wrapped by the other section steel.
Further, support piece is including hanging pole and elasticity split pin, and a plurality of pilot holes have been seted up to the gasbag upper end, hangs the pole and passes the pilot hole, hangs and has seted up two pinholes on the pole, and the distance between two pinholes is greater than the thickness of gasbag upper end, and elasticity split pin can be dismantled and peg graft on the pinhole, hangs the both ends of pole and overlap joint respectively in the upper end of preceding baffle and the upper end of backplate.
Further, the inflation and deflation ports are arranged on the left side surface or the right side surface of the air bag.
Further, the prefabricated member is a precast beam.
Furthermore, the air bag is made of rubber materials, and the upper end of the air bag is pressed into a strip-shaped structure by the rubber materials.
Further, the air charging and discharging port is connected with an air valve.
Compared with the prior art, the utility model discloses a repeatedly usable's expansion joint construction template has following characteristics and advantage:
the utility model discloses a repeatedly usable's expansion joint construction template, template thickness size and pressure can be adjusted according to the air inflation volume of gasbag, are applicable to the construction of the expansion joint of various not unidimensional, and the expansion joint performance preferred that the construction takes shape, repeatedly usable, the equipment is simple and convenient, and occupation space is little after accomodating, is convenient for transport and deposit.
After reading the detailed description of the present invention in conjunction with the drawings, the features and advantages of the present invention will become more apparent.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of the embodiment of the present invention after installation of a reusable expansion joint construction formwork;
fig. 2 is a schematic structural view of an air bag in the reusable expansion joint construction template according to the embodiment of the present invention;
fig. 3 is a schematic structural view of a supporting member in the reusable expansion joint construction formwork of the embodiment of the present invention;
fig. 4 is a schematic structural view of a back baffle plate in the reusable expansion joint construction formwork of the embodiment of the present invention;
wherein,
1. the device comprises an air bag, 1-1 parts of an inflating valve, 1-2 parts of an assembling hole, 21 parts of a front baffle, 22 parts of a rear baffle, 3 parts of a suspension rod, 3-1 parts of a pin hole, 4 parts of an elastic split pin, 5 parts of a precast beam, 6 parts of section steel, 7 parts of a semi-sinking groove, 8 parts of an outer detecting plate, 9 parts of an initial expansion joint.
Detailed Description
As shown in fig. 1 to 4, the present embodiment provides a reusable expansion joint construction formwork, which includes a prefabricated member, an air bag 1, a front baffle 21, a rear baffle 22, a supporting member, and section steel 6, wherein the prefabricated member is a precast beam 5 for bridge construction.
Half heavy groove 7 has been seted up to precast beam 5 terminal surface's top, and adjacent precast beam 5's half heavy groove 7 bottom surface parallel and level. One side wall of the semi-sinking groove 7 is a precast beam 5, and steel fiber concrete is filled between the baffle plate and the semi-sinking groove 7. And steel fiber concrete is filled between the baffle plate and the semi-sinking groove 7, after the baffle plate and the air bag 1 are disassembled, the space of the original baffle plate and the air bag 1 is a subsequent expansion joint, and the initial expansion joint 9 and the subsequent expansion joint jointly form the expansion joint.
The air bag 1 is of a plate-shaped structure after being inflated, and the length size of the air bag 1 is equivalent to the length of an expansion joint of a bridge. The air bag 1 is provided with an air charging and discharging port which is connected with an inflating valve 1-1, and the air bag 1 is charged and discharged through the inflating valve 1-1. The inflation and deflation port is arranged on the left side surface or the right side surface of the air bag 1 so as to facilitate the operation of inflating and deflating the air bag 1 by constructors. The air bag 1 in the embodiment is made of rubber materials, and the upper end of the air bag 1 is pressed into a strip-shaped structure by the rubber materials.
An initial expansion joint 9 is reserved between the lower parts of the end surfaces of the adjacent precast beams 5. The lower end of the air bag 1 is positioned in the initial expansion joint 9, a front baffle 21 is arranged between the front side surface of the air bag 1 and one inner wall of the initial expansion joint 9, and a rear baffle 22 is arranged between the rear side surface of the air bag 1 and the other inner wall of the initial expansion joint 9. The upper ends of the front baffle plate 21 and the rear baffle plate 22 extend out from the initial expansion joint 9 and are higher than the semi-sunk groove 7.
The lower end of the airbag 1 is exposed from the lower side of the front fender 21 and the rear fender 22, and the airbag 1 contacts both inner walls of the initial expansion joint 9 after the airbag 1 is inflated. Under the condition that the end face of the precast beam 5 is not flat, the lower end of the air bag 1 is tightly attached to two inner walls of the initial expansion joint 9, so that sealing between the air bag 1 and the inner walls of the initial expansion joint 9 is facilitated, and concrete is prevented from leaking downwards between the baffle and the end face of the precast beam 5 when concrete is filled between the baffle and the semi-sinking groove 7.
The upper end of the front baffle plate 21 and the upper end of the rear baffle plate 22 are both bent to the direction away from the airbag 1 to form the outer probe plate 8. In the present embodiment, the upper end of the front flap 21 and the upper end of the rear flap 22 are both bent 90 ° away from the airbag 1. The section steel 6 is connected on precast beam 5 through the anchor reinforcing bar, and preceding baffle 21 surface and the outer 8 lower surfaces of visiting the board of preceding baffle 21 wrap up a section steel 6 jointly, and another section steel 6 of another parcel jointly is visited to the outer surface of backplate 22 and the outer 8 lower surfaces of visiting the board of backplate 22. So, when filling the concrete to between baffle and the semi-heavy groove 7, visit board 8 outward and can prevent that the concrete from splashing and get into the expansion joint, avoid influencing the performance at expansion joint.
The upper end of the airbag 1 is exposed from the upper side of the front baffle 21 and the rear baffle 22, and the upper end of the airbag 1 is detachably connected with the front baffle 21 and the rear baffle 22 through a support member. The supporting piece comprises a suspension rod 3 and an elastic split pin 4, a plurality of assembly holes 1-2 are formed in a strip-shaped structure at the upper end of the air bag 1, the suspension rod 3 can be designed to be a cylindrical structure, the diameter of the suspension rod 3 is slightly smaller than the inner diameter of the assembly holes 1-2, and the suspension rod 3 penetrates through the assembly holes 1-2. Two pin holes 3-1 are formed in the suspension rod 3, the distance between the two pin holes 3-1 is slightly larger than the thickness of the strip-shaped structure at the upper end of the air bag 1, and the elastic cotter pin 4 is detachably inserted into the pin holes 3-1. Both ends of the suspension bar 3 are respectively lapped on the upper end of the front baffle 21 and the upper end of the rear baffle 22. The support member can support the airbag 1 before the airbag 1 is inflated, and prevent the airbag 1 from falling from the initial expansion joint 9. After the airbag 1 is used, the suspension rods 3 are detached, the suspension rods 3 are stored in a concentrated manner, and the airbag 1 is rolled up for storage or transportation. The elastic cotter pin 4 of the present embodiment is R-shaped, and the size of the R-shaped elastic cotter pin 4 is determined according to the diameter of the suspension bar 3 and the diameter of the pin hole 3-1.
The present embodiment further provides a method for installing a reusable expansion joint construction formwork to form the reusable expansion joint construction formwork of the present embodiment, which includes the following steps:
step one, unfolding the air bag 1 in a curled state, pulling an elastic cotter pin 4 on a suspension rod 3 down from a pin hole 3-1, inserting one end of the suspension rod 3, which is pulled down by the elastic cotter pin 4, into an assembly hole 1-2 of the air bag 1, then re-inserting the pulled-down elastic cotter pin 4 into the pin hole 3-1, and repeating the operation to install the suspension rod 3 in all the assembly holes 1-2 on the air bag 1;
and step two, placing the front baffle 21 and the rear baffle 22 into the initial expansion joint 9, enabling the outer detection plates 8 of the front baffle 21 and the rear baffle 22 to face away from the direction of the initial expansion joint 9, then placing the air bag 1 with the mounted suspension rods 3 between the front baffle 21 and the rear baffle 22, enabling two ends of each suspension rod 3 to be lapped with the upper ends of the front baffle 21 and the rear baffle 22, checking the state of the air bag 1, ensuring that the air bag 1 is completely flattened in the initial expansion joint 9, inflating the air bag 1 after the air bag 1 is completely flattened, and stopping inflating when the air bag 1 meets the pressure required by construction.
The present embodiment further provides a method for detaching the reusable expansion joint construction formwork, so as to detach the reusable expansion joint construction formwork of the present embodiment, which includes the following steps:
step one, deflating the air bag 1, vertically lifting the air bag 1 from the upper end of the expansion joint, pulling out one elastic cotter pin 4 on the suspension rod 3 to draw out the suspension rod 3, reinserting the elastic cotter pin 4 into a pin hole 3-1 of the suspension rod 3, and repeatedly operating to detach and collect all the suspension rods 3 from the air bag 1;
and step two, rolling up the air bag 1 and taking up the air bag, and lifting out the front baffle 21 and the rear baffle 22 to finish the disassembly.
The repeatedly usable's expansion joint construction template of this embodiment, template thickness size and pressure can be adjusted according to gasbag 1's the gas filling volume, are applicable to the construction of the expansion joint of various not unidimensional, and the expansion joint performance preferred that the construction takes shape, repeatedly usable, the equipment is simple and convenient, and it is little to accomodate the back occupation space, is convenient for transport and deposit.
Of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and the changes, modifications, additions or substitutions made by those skilled in the art within the scope of the present invention should also belong to the protection scope of the present invention.
Claims (9)
1. The utility model provides a repeatedly usable's expansion joint construction template which characterized in that: including the prefab, the gasbag, preceding baffle, backplate and support piece, half heavy groove has been seted up to the top of prefab terminal surface, half heavy groove bottom surface parallel and level of adjacent prefab, leave initial expansion joint between the below of adjacent prefab terminal surface, the gasbag is platelike structure after aerifing, the lower extreme of gasbag is arranged in initial expansion joint, set up preceding baffle between the leading flank of gasbag and the inner wall at initial expansion joint, set up the backplate between the trailing flank of gasbag and another inner wall at initial expansion joint, the upper end of preceding baffle and the upper end of backplate all extend from initial expansion joint and are higher than half heavy groove, the upper end of gasbag is from the preceding baffle, the top of backplate exposes, baffle and backplate before the upper end of gasbag can be dismantled through support piece and connect, be provided with on the gasbag and fill the gas port.
2. The reusable expansion joint construction formwork according to claim 1, wherein: the lower end of the air bag is exposed from the lower parts of the front baffle and the rear baffle, and the air bag contacts with two inner walls of the initial expansion joint after the air bag is inflated.
3. The reusable expansion joint construction formwork according to claim 1, wherein: the upper end of the front baffle and the upper end of the rear baffle are both bent in the direction away from the air bag to form an outer probe plate.
4. The reusable expansion joint construction formwork of claim 3, wherein: the upper end of the front baffle and the upper end of the rear baffle are both bent 90 degrees towards the direction away from the air bag.
5. The reusable expansion joint construction formwork of claim 3, wherein: the prefab still includes two shaped steel, and a shaped steel is wrapped up jointly to the outer surface of preceding baffle and the outer board lower surface of visiting of preceding baffle, and another shaped steel is wrapped up jointly to the outer surface of backplate and the outer board lower surface of visiting of backplate.
6. The reusable expansion joint construction formwork according to claim 1, wherein: the support piece comprises a suspension rod and an elastic split pin, a plurality of assembly holes are formed in the upper end of the air bag, the suspension rod penetrates through the assembly holes, two pin holes are formed in the suspension rod, the distance between the two pin holes is larger than the thickness of the upper end of the air bag, the elastic split pin can be detachably inserted into the pin holes, and the two ends of the suspension rod are respectively lapped on the upper end of the front baffle and the upper end of the rear baffle.
7. The reusable expansion joint construction formwork according to claim 1, wherein: the inflation and deflation ports are arranged on the left side surface or the right side surface of the air bag.
8. The reusable expansion joint construction formwork according to claim 1, wherein: the prefabricated member is a precast beam.
9. The reusable expansion joint construction formwork according to claim 1, wherein: the air bag is made of rubber materials, and the upper end of the air bag is pressed into a strip-shaped structure by the rubber materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920075403.0U CN209874480U (en) | 2019-01-17 | 2019-01-17 | Repeatedly usable's expansion joint construction template |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920075403.0U CN209874480U (en) | 2019-01-17 | 2019-01-17 | Repeatedly usable's expansion joint construction template |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209874480U true CN209874480U (en) | 2019-12-31 |
Family
ID=68950836
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920075403.0U Expired - Fee Related CN209874480U (en) | 2019-01-17 | 2019-01-17 | Repeatedly usable's expansion joint construction template |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209874480U (en) |
-
2019
- 2019-01-17 CN CN201920075403.0U patent/CN209874480U/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 |
Granted publication date: 20191231 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |