CN221920280U - A exempt from formwork device for post-cast concrete entrance to a cave - Google Patents
A exempt from formwork device for post-cast concrete entrance to a cave Download PDFInfo
- Publication number
- CN221920280U CN221920280U CN202420172542.6U CN202420172542U CN221920280U CN 221920280 U CN221920280 U CN 221920280U CN 202420172542 U CN202420172542 U CN 202420172542U CN 221920280 U CN221920280 U CN 221920280U
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- CN
- China
- Prior art keywords
- support
- post
- formwork
- cast
- floor slab
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- 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.)
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
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- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
本实用新型提供一种用于后浇混凝土洞口的免支模架装置。所述用于后浇混凝土洞口的免支模架装置包括：先浇楼板，所述先浇楼板上设置有后浇洞口，所述先浇楼板的下方设置有多个支撑模板，所述先浇楼板的顶部有两个支撑组件，多个所述支撑模板的顶部均设置有两个拉紧机构；所述支撑组件包括两个支撑模板和两个支撑板，两个所述支撑模板均设置在先浇楼板的顶部，两个所述支撑板均固定安装在两个支撑模板上。本实用新型提供的用于后浇混凝土洞口的免支模架装置可以根据后浇筑洞口大小对支撑模具进行拼接，已适用不同大小的洞口浇筑，并且便于安装与拆卸的优点。
The utility model provides a formwork-free device for post-cast concrete openings. The formwork-free device for post-cast concrete openings comprises: a first-cast floor slab, a post-cast opening is arranged on the first-cast floor slab, a plurality of support formworks are arranged below the first-cast floor slab, two support assemblies are arranged on the top of the first-cast floor slab, and two tensioning mechanisms are arranged on the top of the plurality of support formworks; the support assembly comprises two support formworks and two support plates, the two support formworks are arranged on the top of the first-cast floor slab, and the two support plates are fixedly mounted on the two support formworks. The formwork-free device for post-cast concrete openings provided by the utility model can splice the support molds according to the size of the post-cast opening, is suitable for casting openings of different sizes, and has the advantages of being easy to install and disassemble.
Description
Technical Field
The utility model belongs to the technical field of post-cast concrete pouring, and particularly relates to a formwork-free device for a post-cast concrete opening.
Background
In the building construction process, due to construction requirements or process penetration and other reasons, a plurality of reserved holes are usually formed in the structural floor slab, such as the reserved holes for the construction temporary vertical pump pipe penetrating through the floor slab, and the reserved holes are usually blocked by pouring concrete in the later stage of construction.
In the related art, a lifting die device for pouring a floor hole is disclosed, which comprises a gantry bracket, a template pull rope, an inner support pull rope, a tensioner and a locking sleeve; the gantry type bracket is transversely arranged above the floor hole; one ends of the two template pull ropes respectively penetrate through the templates and then are fixedly connected with the anchoring parts, and the other ends penetrate through two sides of the inner supporting frame arranged in the opening of the floor slab and then are connected with the tensioner arranged on the gantry type bracket; the middle part of the inner support is suspended in the floor hole through an inner support stay rope, and the inner support comprises a support plate and a plurality of support ribs which are rotatably arranged on the outer side of the support plate, and the other ends of the support ribs are obliquely abutted with the inner wall of the floor hole; the locking wire is sleeved on the template pull rope and is used for locking the template pull rope on the inner supporting frame, so that the structural strength of post-cast concrete and the bonding strength of the post-cast concrete and a floor hole can be improved.
However, the structure has the defects that when the structure is used, the support templates cannot be spliced when pouring is performed on larger holes, and the joints of the templates are required to be sealed in the later period, so that the structure is inconvenient.
Therefore, it is necessary to provide a new formwork-free device for post-cast concrete openings to solve the above-mentioned technical problems.
Disclosure of utility model
The utility model solves the technical problem of providing the formwork-supporting-free device for the post-pouring concrete hole, which can splice supporting molds according to the size of the post-pouring hole, is suitable for pouring holes with different sizes, and is convenient to install and disassemble.
In order to solve the technical problems, the utility model provides a formwork-free device for a post-cast concrete tunnel portal, comprising: the system comprises a pre-cast floor slab, wherein a post-cast hole is formed in the pre-cast floor slab, a plurality of support templates are arranged below the pre-cast floor slab, two support assemblies are arranged at the top of the pre-cast floor slab, and two tensioning mechanisms are arranged at the tops of the support templates;
The support assembly comprises two support templates and two support plates, wherein the two support templates are arranged at the top of the pre-cast floor slab, and the two support plates are fixedly arranged on the two support templates;
The tensioning mechanism comprises two inclined reinforcing bars, a bar block, two connecting reinforcing bars, a rectangular frame, a connecting plate, a screw rod, a supporting piece, a rotary table and a clamping assembly, wherein the two inclined reinforcing bars are connected to the top of a supporting template, the bar block is fixedly installed on the top ends of the two inclined reinforcing bars, the two connecting reinforcing bars are fixedly installed on the top of the bar block, the rectangular frame is arranged above the bar block, the connecting plate is fixedly installed in the rectangular frame, the screw rod is rotatably installed on the top of the connecting plate, the supporting piece is sleeved with screw threads, and the rotary table is fixedly installed on the top end of the screw rod.
As a further scheme of the utility model, two clamping plates are slidably arranged in the rectangular frame, two first bolts are arranged on the rectangular frame in a threaded manner, one ends of the two first bolts, which are close to each other, are respectively connected with the two clamping plates in a rotating manner, and two clamping grooves are formed in one sides of the two clamping plates, which are close to each other.
As a further scheme of the utility model, two limiting sliding grooves are formed in the rectangular frame, two limiting sliding blocks are slidably arranged in the two limiting sliding grooves, and one sides, close to each other, of the four limiting sliding blocks are fixedly connected with two clamping plates respectively.
As a further scheme of the utility model, a splicing groove is formed in one side of the support template, a splicing clamping block is fixedly arranged on one side of the support template, and the splicing groove is matched with the splicing clamping block.
As a further scheme of the utility model, two arc-shaped grooves are formed in the bottom of the supporting piece, and the arc-shaped grooves are matched with the supporting rods.
As a further scheme of the utility model, a second bolt is arranged on the support template, and the top end of the second bolt is fixedly connected with the inclined steel bar.
Compared with the related art, the formwork-free device for the post-pouring concrete tunnel portal has the following beneficial effects:
1. According to the utility model, the support assembly is arranged, so that the support template can be supported, and the support template is kept stable;
2. according to the utility model, the support template can be pulled up by arranging the tensioning mechanism, so that the support template can be clung to the bottom of the precast floor slab, and slurry leakage is avoided;
3. According to the utility model, the splicing grooves and the splicing clamping blocks are arranged, so that splicing can be conveniently carried out according to the sizes of the post-pouring holes, and the method is suitable for holes with different sizes.
Drawings
The present utility model is further described below with reference to the accompanying drawings for the convenience of understanding by those skilled in the art.
FIG. 1 is a schematic view of a first perspective structure of a formwork-free apparatus for post-cast concrete openings according to the present utility model;
FIG. 2 is a schematic view of a second perspective structure of a formwork-free apparatus for post-cast concrete openings according to the present utility model;
FIG. 3 is a schematic view of a first partial construction of a formwork-free apparatus for post-cast concrete openings according to the present utility model;
FIG. 4 is a schematic view of a second partial construction of a formwork-free apparatus for post-cast concrete openings according to the present utility model;
Fig. 5 is a schematic view of a third partial structure of the formwork-free apparatus for post-cast concrete openings provided by the present utility model.
In the figure: 1. firstly, pouring a floor slab; 2. post-pouring hole; 3. supporting the template; 4. a support plate; 5. a support rod; 6. tilting the steel bar; 7. a bar block; 8. connecting steel bars; 9. a rectangular frame; 10. a connecting plate; 11. a screw; 12. a support; 13. a turntable; 14. a clamping plate; 15. a first bolt; 16. a clamping groove; 17. limiting sliding grooves; 18. a limit sliding block; 19. a splice groove; 20. splicing the clamping blocks; 21. an arc-shaped groove; 22. and a second bolt.
Detailed Description
Referring to fig. 1 to 5 in combination, fig. 1 is a schematic perspective view of a formwork-free apparatus for post-pouring concrete openings according to the present utility model; FIG. 2 is a schematic view of a second perspective structure of a formwork-free apparatus for post-cast concrete openings according to the present utility model; FIG. 3 is a schematic view of a first partial construction of a formwork-free apparatus for post-cast concrete openings according to the present utility model; FIG. 4 is a schematic view of a second partial construction of a formwork-free apparatus for post-cast concrete openings according to the present utility model; fig. 5 is a schematic view of a third partial structure of the formwork-free apparatus for post-cast concrete openings provided by the present utility model. A exempt from formwork device for post-cast concrete entrance to a cave includes: the novel building structure comprises a pre-cast floor slab 1, wherein a post-cast hole 2 is formed in the pre-cast floor slab 1, a plurality of support templates 3 are arranged below the pre-cast floor slab 1, two support assemblies are arranged at the top of the pre-cast floor slab 1, and two tensioning mechanisms are arranged at the tops of the support templates 3;
the support assembly comprises two support templates 3 and two support plates 4, wherein the two support templates 3 are arranged at the top of the precast floor slab 1, and the two support plates 4 are fixedly arranged on the two support templates 3;
The tensioning mechanism comprises two inclined steel bars 6, a strip-shaped block 7, two connecting steel bars 8, a rectangular frame 9, a connecting plate 10, a screw rod 11, supporting pieces 12, a rotary table 13 and a clamping assembly, wherein two inclined steel bars 6 are connected to the top of the supporting template 3, the strip-shaped block 7 is fixedly installed on the top ends of the two inclined steel bars 6, two connecting steel bars 8 are fixedly installed on the top of the strip-shaped block 7, the rectangular frame 9 is arranged above the strip-shaped block 7, the connecting plate 10 is fixedly installed in the rectangular frame 9, the screw rod 11 is rotatably installed on the top of the connecting plate 10, the supporting pieces 12 are sleeved on the screw rod 11 through threads, and the rotary table 13 is fixedly installed on the top end of the screw rod 11.
As shown in fig. 3 and fig. 4, two clamping plates 14 are slidably mounted in the rectangular frame 9, two first bolts 15 are mounted on the rectangular frame 9 in a threaded manner, one ends of the two first bolts 15, which are close to each other, are respectively connected with the two clamping plates 14 in a rotating manner, and two clamping grooves 16 are formed in one sides of the two clamping plates 14, which are close to each other.
As shown in fig. 3 and fig. 4, two limiting sliding grooves 17 are formed in the rectangular frame 9, two limiting sliding blocks 18 are slidably mounted in the two limiting sliding grooves 17, and one sides, close to each other, of the four limiting sliding blocks 18 are fixedly connected with the two clamping plates 14 respectively.
As shown in fig. 2, a splicing groove 19 is formed in one side of the support template 3, a splicing clamping block 20 is fixedly mounted on one side of the support template 3, and the splicing groove 19 is matched with the splicing clamping block 20.
As shown in fig. 3, two arc grooves 21 are formed at the bottom of the supporting member 12, and the arc grooves 21 are adapted to the supporting rod 5.
As shown in fig. 5, the support template 3 is provided with a second bolt 22, and the top end of the second bolt 22 is fixedly connected with the inclined steel bar 6.
The working principle of the formwork-free device for the post-pouring concrete tunnel portal provided by the utility model is as follows:
During the use, according to the size of post-cast hole mouth 2, splice the support template 3 with splice fixture block 20 inserts splice groove 19 in, place the support component later in the top of pouring floor 1 in advance, place support piece 12 on the support component, and make connecting bar 8 insert in rectangular frame 9, rotate first bolt 15 through the spanner, make two splint 14 be close to each other and carry out the centre gripping to connecting bar 8, rotate carousel 13 this moment, under the effect of support piece 12, pull up support template 3, make support template 3 hug closely the bottom of pouring floor 1 earlier, can pour the work at this moment, demolish after the pouring, when accomplishing, rotate first bolt 15 through the spanner, make two splint 14 keep away from each other, later with unnecessary connecting bar 8 cut off can, dismantle second bolt 22, dismantle support template 3, later with unnecessary second bolt 22 excision can.
It should be noted that, the device structure and the drawings of the present utility model mainly describe the principle of the present utility model, in terms of the technology of the design principle, the arrangement of the power mechanism, the power supply system, the control system, etc. of the device is not completely described, and on the premise that the person skilled in the art understands the principle of the present utility model, the specific details of the power mechanism, the power supply system and the control system can be clearly known, the control mode of the application file is automatically controlled by the controller, and the control circuit of the controller can be realized by simple programming of the person skilled in the art;
The standard parts used in the method can be purchased from the market, and can be customized according to the description of the specification and the drawings, the specific connection modes of the parts are conventional means such as mature bolts, rivets and welding in the prior art, the machines, the parts and the equipment are conventional models in the prior art, and the structures and the principles of the parts are all known by the skilled person through technical manuals or through conventional experimental methods.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims and their equivalents, and in other related technical fields, which are equally encompassed by the scope of the present utility model.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420172542.6U CN221920280U (en) | 2024-01-24 | 2024-01-24 | A exempt from formwork device for post-cast concrete entrance to a cave |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420172542.6U CN221920280U (en) | 2024-01-24 | 2024-01-24 | A exempt from formwork device for post-cast concrete entrance to a cave |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221920280U true CN221920280U (en) | 2024-10-29 |
Family
ID=93189905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420172542.6U Expired - Fee Related CN221920280U (en) | 2024-01-24 | 2024-01-24 | A exempt from formwork device for post-cast concrete entrance to a cave |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221920280U (en) |
-
2024
- 2024-01-24 CN CN202420172542.6U patent/CN221920280U/en not_active Expired - Fee Related
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| 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: 20241029 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |