CN210939809U - Precast concrete component keyway forming device - Google Patents
Precast concrete component keyway forming device Download PDFInfo
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- CN210939809U CN210939809U CN201921431000.1U CN201921431000U CN210939809U CN 210939809 U CN210939809 U CN 210939809U CN 201921431000 U CN201921431000 U CN 201921431000U CN 210939809 U CN210939809 U CN 210939809U
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- key block
- forming device
- precast concrete
- screw thread
- mounting holes
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Abstract
The utility model discloses a precast concrete member keyway forming device, which comprises a key block body, wherein one side of the key block body close to a side die is provided with at least two mounting holes which are arranged at intervals, and the mounting holes are of blind hole structures; the mounting hole is set as a screw thread connecting hole, a connecting bolt is arranged at the screw thread connecting hole, and the connecting bolt penetrates through the side die and is in threaded connection with the screw thread connecting hole; or embedded bolts are embedded in the mounting holes, the heads of the embedded bolts are located in the mounting holes, the rod parts of the embedded bolts extend out of the key block body and penetrate through the side forms, and locking nuts are installed on the other sides, located on the side forms, of the rod parts of the embedded bolts. The utility model discloses convenient and the installation and the dismantlement of side forms increase turnover efficiency, realize reuse.
Description
Technical Field
The utility model relates to a building product makes the field, specifically relates to a precast concrete component keyway forming device.
Background
Concrete structure wide application in building, structure, bridge etc. along with environmental protection consciousness's popularization and the drawback of traditional cast in situ structure, the assembled construction mode develops faster and faster, PC assembled building, segmental assembly bridge etc.. The components prefabricated in the factory are connected by cast-in-place sections, pre-stressing, wet joints, etc. on site to form an integral structure. Different components are connected together, through reserving rough surface or keyway, guarantee the reliability of connecting, and the reservation of rough surface is generally through the washing, has water resource and pollution scheduling problem, and the application of keyway is more and more. The traditional key groove retention is formed by welding a thin steel plate or machining a workpiece on a side die, is time-consuming, labor-consuming and material-consuming, and cannot be recycled.
Utility model discloses a shear force keyway forming device and mould as bulletin number CN207549044U, shear force keyway forming device includes configuration software, connecting piece and anchor assembly, the anchor assembly anchor is in the configuration software, connecting piece one end with anchor assembly fixed connection, the other end stretch out to outside the configuration software, the surface of configuration software is provided with an at least fin. The utility model is used for the shaping of shear force keyway in the prefab preparation process, the configuration software is used for the configuration shear force keyway, and the setting of configuration software plays certain cushioning effect, and it is right to effectively alleviate the concrete shrink the utility model discloses an extrusion force and adsorption affinity, the easy shaping fin of configuration software simultaneously, the setting of fin is used for forming the elongated slot in fashioned shear force keyway, is favorable to increasing the adhesive property of new and old concrete. The utility model discloses simple manufacture, easy installation and form removal, reuse rate is high.
The utility model discloses an assembly type structure precast concrete wall side keyway sets up mould as bulletin number CN208451857U, set up steel mould, levelling plate and horizontal reinforcing bar including the side keyway, the side keyway sets up steel mould and levelling plate concatenation formation rectangle structure, the side keyway sets up and opens on the steel mould includes the rectangle steel mould and has a plurality of preformed holes, has two parallel arrangement's horizontal reinforcing bar to alternate in the preformed hole, and preformed hole part between the horizontal reinforcing bar carries out the shutoff through blockking up the rubber strip, and two adjacent preformed holes are parallel and the interval equals, and the welding of rectangle steel mould has hollow steel plate keyway between two adjacent preformed holes. The utility model discloses it has the preformed hole to open on rectangle steel form, and the installation and the location of the horizontal reinforcement of being convenient for are convenient for demolish the mould, and when actual production, the width and the degree of depth of keyway are easy to control, the shaping is effectual after the construction, can set up the keyway of different specifications according to particular case, and simple to operate, keyway set up the steel mould and block up the rubber strip and can have enough to meet the need the use, save the cost.
But the technical scheme still has the defects of low turnover efficiency and incapability of recycling, and is not beneficial to reducing the cost of the grinding tool.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve the problem among the prior art, provide a precast concrete component keyway forming device, its convenient installation and the dismantlement with the side forms increase turnover efficiency, realize reuse.
In order to solve the technical problem, the utility model adopts the following technical scheme:
a key groove forming device for a precast concrete member comprises a key block body, wherein one side, close to a side die, of the key block body is provided with at least two mounting holes which are arranged at intervals, and the mounting holes are of a blind hole structure;
the mounting hole is set as a screw thread connecting hole, a connecting bolt is arranged at the screw thread connecting hole, and the connecting bolt penetrates through the side die and is in threaded connection with the screw thread connecting hole; or embedded bolts are embedded in the mounting holes, the heads of the embedded bolts are located in the mounting holes, the rod parts of the embedded bolts extend out of the key block body and penetrate through the side forms, and locking nuts are installed on the other sides, located on the side forms, of the rod parts of the embedded bolts.
The number of the mounting holes is two.
And a nut-shaped screw thread connecting hole is embedded in the mounting hole.
The key block body is provided with a plurality of key block bodies, and the plurality of key block bodies are combined into a large-specification key block.
The key block body is made of steel.
The key block body is made of hard plastic.
The utility model has the advantages that:
the utility model discloses a take screw thread connecting hole or pre-buried bolt on the key piece body, the key piece of reserving the screw thread connecting hole can be connected with the side forms through connecting bolt, and the key piece of reserving pre-buried bolt can be through lock nut and side forms lug connection, and convenient and side forms be connected and dismantle, increases turnover efficiency, realizes reuse. Meanwhile, due to the fact that the key groove is convenient to disassemble and assemble, the standard key blocks can be selected to be combined into the final shape according to the size of the key groove designed by the drawing, and the cost of the die is reduced.
Drawings
FIG. 1 is a schematic structural diagram of the first embodiment;
FIG. 2 is a first schematic view of the key block of the first embodiment after being connected with the side mold;
FIG. 3 is a second schematic view of the key block of the first embodiment after being connected with the side mold;
fig. 4 is a schematic structural diagram of the second embodiment.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings.
The first embodiment is as follows:
as shown in fig. 1-3, the utility model discloses a precast concrete member keyway forming device, including key piece body 1, one side that key piece body 1 closes on side forms 3 is equipped with the mounting hole of two interval arrangements, and the mounting hole is the blind hole structure, and the mounting hole is located the long central line department to of key piece body 1.
The embedded bolt 2 that is equipped with in the mounting hole, the head of embedded bolt 2 is located the mounting hole, and the pole portion of embedded bolt 2 stretches out the key piece body and passes side forms 3, and lock nut 4 is installed at the opposite side that is located side forms 3 in the pole portion of embedded bolt 2.
The precast concrete member keyway forming device of this embodiment, convenient and the side forms be connected and dismantle, increase turnover efficiency, realize reuse.
Example two:
as shown in fig. 4, the present embodiment is different from the first embodiment in that: the key block body 1 is provided with a nut-shaped screw thread connecting hole 5 in an installing hole in an embedded mode, the screw thread connecting hole 5 is connected with a connecting bolt, the connecting bolt penetrates through the edge to touch the side die 3, the head of the connecting bolt is in clamping fit with the side die 3, the rod portion of the connecting bolt is in threaded connection with the screw thread connecting hole 5, and the assembling of the key block body 1 on the side die is achieved.
In the embodiment, a screw rod can be connected with the screw thread connecting hole 5 in a threaded manner, the screw rod penetrates through the side die 3, and a locking nut is installed on the other side of the screw rod, which is positioned on the side die 3, so that a connecting bolt is formed, and the key block body 1 is assembled on the side die.
The utility model discloses a take screw thread connecting hole 5 or buried bolt 2 in the key piece body 1, the key piece of reserving screw thread connecting hole 5 can be connected with side forms 3 through connecting bolt, and the key piece of reserving buried bolt 2 can pass through lock nut 4 and 3 lug connection of side forms, and easy to assemble and dismantlement increase turnover efficiency, realize reuse.
The utility model discloses a steel material or duroplast material can be chooseed for use to key piece body 1, and the key piece of steel material can machine tooling screw thread connecting hole or welding embedded bolt, and the key piece of duroplast can form screw thread connecting hole or embedded bolt through embedded nut, and the key piece of duroplast can reduce the weight of side forms, increases turnover efficiency and reduction mould cost.
Simultaneously because its easy dismounting, the key piece of standard size can be customized in batches, and can reuse, and the keyway of large-scale specification and dimension relatively can be according to the keyway size of drawing design, selects the key piece of standard to make up into final keyway design size (the key piece of preferred hard plastics material), reduces the mould cost. The key block of steel material or hard plastic material can be selected to the keyway specification size is little. The key blocks are reliably connected with the side formwork through bolts or nuts, reinforcing steel bars are bound and concrete is poured after the formwork is assembled, and a final prefabricated part is formed after maintenance.
The above embodiments are only used for illustrating but not limiting the technical solutions of the present invention, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: the present invention may be modified or substituted with equivalents without departing from the spirit and scope of the invention, which should be construed as being limited only by the claims.
In the description of the present invention, it should be understood that the terms "left", "right", "front", "back", "up", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the scope of the present invention.
Claims (6)
1. The utility model provides a precast concrete member keyway forming device, includes the key piece body, its characterized in that: at least two mounting holes which are arranged at intervals are formed in one side, close to the side die, of the key block body, and the mounting holes are of a blind hole structure;
the mounting hole is set as a screw thread connecting hole, a connecting bolt is arranged at the screw thread connecting hole, and the connecting bolt penetrates through the side die and is in threaded connection with the screw thread connecting hole; or embedded bolts are embedded in the mounting holes, the heads of the embedded bolts are located in the mounting holes, the rod parts of the embedded bolts extend out of the key block body and penetrate through the side forms, and locking nuts are installed on the other sides, located on the side forms, of the rod parts of the embedded bolts.
2. The precast concrete member key groove forming device according to claim 1, wherein: the number of the mounting holes is two.
3. The precast concrete member key groove forming device according to claim 1, wherein: and a nut-shaped screw thread connecting hole is embedded in the mounting hole.
4. The precast concrete member key groove forming device according to claim 1, wherein: the key block body is provided with a plurality of key block bodies, and the plurality of key block bodies are combined into a large-specification key block.
5. The precast concrete member key groove forming device according to any one of claims 1 to 4, wherein: the key block body is made of steel.
6. The precast concrete member key groove forming device according to any one of claims 1 to 4, wherein: the key block body is made of hard plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921431000.1U CN210939809U (en) | 2019-08-30 | 2019-08-30 | Precast concrete component keyway forming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921431000.1U CN210939809U (en) | 2019-08-30 | 2019-08-30 | Precast concrete component keyway forming device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210939809U true CN210939809U (en) | 2020-07-07 |
Family
ID=71394336
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921431000.1U Active CN210939809U (en) | 2019-08-30 | 2019-08-30 | Precast concrete component keyway forming device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210939809U (en) |
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2019
- 2019-08-30 CN CN201921431000.1U patent/CN210939809U/en active Active
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