CN213539811U - Post-cast strip back-jacking device - Google Patents
Post-cast strip back-jacking device Download PDFInfo
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- CN213539811U CN213539811U CN202021371734.8U CN202021371734U CN213539811U CN 213539811 U CN213539811 U CN 213539811U CN 202021371734 U CN202021371734 U CN 202021371734U CN 213539811 U CN213539811 U CN 213539811U
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Abstract
The utility model discloses a post-cast strip returns top mounted putting belongs to construction technical field. The utility model discloses a post-cast strip back-top device is used for post-cast strip concrete placement, treats that after the concrete intensity reaches preset intensity, carries out interim supporting to the back-top position, post-cast strip back-top device includes: the supporting component is fixed on a supporting plane at one end; one end of the ejecting part is fixedly arranged on the other end of the supporting part, and the other end of the ejecting part abuts against the ejecting part. The utility model discloses a post-cast strip back-top device can be used to replace beam template and template support body in construction, carries out interim support to post-cast strip back-top position, improves the turnover of beam template and template support body in the construction, improves construction material's utilization ratio.
Description
Technical Field
The utility model relates to a construction technical field, concretely relates to post-cast strip returns top mounted putting.
Background
The post-cast strip of each project bureau at the present stage is supported and jacked back independently by the post-cast strip, namely the post-cast strip is supported and supported independently when the full hall frame is removed, the independent support system is not removed when the full hall frame is removed, the independent support is removed after the same-condition test block strength of post-cast strip concrete reaches 100% after the post-cast strip construction is finished, and the post-cast strip can be effectively prevented from cracking due to the form.
However, the supporting and back-jacking structure of the front and back casting belts needs a large amount of materials to support each part of the back casting belt, so that the on-site back casting belt accumulates a large amount of materials and cannot form effective turnover, the material waste is serious, and the on-site material transfer is not facilitated.
SUMMERY OF THE UTILITY MODEL
In order to solve the defects of the prior art, the embodiment of the utility model provides a post-cast strip back-jacking device for replace post-cast strip template and post-cast strip support body, carry out interim back-jacking supporting to the post-cast strip, in order to improve the on-the-spot turnover efficiency of post-cast strip template and post-cast strip support body.
In order to realize the above-mentioned purpose, the embodiment of the utility model provides a post-cast strip back-jacking device for post-cast strip concrete placement has been accomplished, treats that the concrete strength reaches after predetermineeing intensity, carries out interim supporting to the back-jacking position, post-cast strip back-jacking device includes:
the supporting component is fixed on a supporting plane at one end;
one end of the ejecting part is fixedly arranged on the other end of the supporting part, and the other end of the ejecting part abuts against the ejecting part.
Optionally, the height of the backset member is adjustable.
Optionally, the back ejection member comprises:
the hydraulic jack is arranged between the supporting component and the post-cast strip;
the pressurizing piece is connected with the hydraulic jack.
Optionally, a first steel plate is arranged between the supporting part and the back-up part;
a second steel plate is arranged between the supporting component and the supporting plane.
Optionally, the first steel plate and the support component are fixed by welding, and the back-up component is in bolt fastening connection with the first steel plate;
the second steel plate and the supporting component are fixed through welding, and the second steel plate and the supporting plane are connected through bolts in a fastening mode.
Optionally, the support device further comprises at least one inclined strut, one end of the inclined strut is fixed on the support plane, and the other end of the inclined strut is connected with the support component.
Optionally, two of the inclined struts are included, and the two inclined struts are arranged at an angle of 90 degrees.
Optionally, an adapter component is arranged on the support component, and the adapter component is connected with the inclined strut.
Optionally, the adapter component comprises:
the connecting part is fixedly arranged on the side surface of the supporting component;
the lug boss is arranged on the connecting part and is abutted against the end part of the inclined strut.
Optionally, the support member comprises a square steel tube.
The utility model has the advantages that:
the utility model discloses a post-cast strip back-jacking device for post-cast strip concrete placement has been accomplished, treats that after the concrete strength reaches preset intensity, carries out interim supporting to the post-cast strip, post-cast strip back-jacking device includes: the supporting component is fixed on a supporting plane at one end; and one end of the back-up component is fixedly arranged on the other end of the supporting component, and the other end of the back-up component is abutted against the post-cast strip. The utility model discloses a post-cast strip back-jacking device can be used to replace post-cast strip template and post-cast strip frame body after post-cast strip concrete angular strength reaches preset intensity to carry out interim supporting to the post-cast strip to improve the turnover of post-cast strip template and post-cast strip frame body in the construction.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic structural diagram of a post-cast strip topping device according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a post-cast strip topping device according to an embodiment of the present invention;
FIG. 3 is a schematic view of section 1-1 of FIG. 2;
fig. 4 is a schematic view of section 2-2 in fig. 2.
Wherein, the corresponding relations between the reference numbers and the part names in fig. 1 to fig. 4 are as follows:
1. a support member; 2. a back-up member; 3. a back-topping part; 4. a first steel plate; 5. a second steel plate; 6. bracing; 7. an adapter component; 100. a support plane; 70. a connecting portion; 71. a raised portion.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the description of the present invention, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the communication may be direct, indirect via an intermediate medium, or internal to both elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
Traditional post-cast strip back-jacking device includes beam template and template support body, the beam template is used for laminating back-jacking position (promptly the post-cast strip position), template support body one end is connected with the supporting plane, the other end supports holds the beam template, the beam template is under the support of template support body, the back-jacking position is held in predetermined elevation department in the top-returning position top, in order to guarantee to provide even and sufficient holding power for the beam template, the template support body comprises the steel pipe of a plurality of intensive settings, under the support of beam template, concrete is pour to the post-cast strip, in the solidification and subsequent work progress of concrete, back-jacking position all supports through the post-cast strip back-jacking device, and after whole work progress is accomplished, the dismantlement of post-cast strip back-jacking device is carried out.
The traditional post-cast strip back-jacking device needs a large amount of materials, and in the construction process, the support for the back-jacking part needs to be maintained, and the materials are difficult to turn around. Therefore, the embodiment of the utility model provides a post-cast strip back-jacking device for after-cast strip concrete placement has been accomplished, treat that the concrete strength reaches after-cast strip back-jacking device traditional replacement after-cast strip carries out interim support to the post-cast strip. As fig. 1, the utility model discloses post-cast strip back-top device of embodiment includes: a support member 1, one end of the support member 1 being fixed to the support plane 100; one end of the ejecting part 2 is fixedly arranged on the other end of the supporting part 1, and the other end of the ejecting part 2 is propped against the ejecting part 3. In this embodiment, after the concrete intensity of post-cast strip reaches preset intensity, the concrete of post-cast strip has certain intensity.
And (3) waiting for the concrete strength to reach the preset strength, wherein the waiting for the concrete strength to reach 100 percent. At this point, the concrete has substantially solidified, and at this point, the topping portion 3 of the post-cast strip has already had a certain strength. At the in-process of demolising beam mold board and template support body, the short time loses the structural damage that the support can not lead to the fact the post-cast strip, and, adopts the utility model discloses the post-cast strip back-top device only need support the subregion at back-top position 3, can ensure the firm of the structure of whole post-cast strip.
In an optional embodiment, the post-cast strip back-top device comprises a plurality of post-cast strip back-top devices, the post-cast strip back-top devices respectively support different positions of the back-top part 3, and the post-cast strip back-top devices are matched with each other to ensure the uniformity of stress of the back-top part 3. The position of the plurality of post-cast strip topping devices relative to the topping portion 3 may be obtained by means of tests, such as: optionally, the post-cast strip topping devices are respectively arranged at different positions of the topping portion 3 according to experience; detecting the post-cast strip; adjusting the positions of the post-cast strip jacking devices according to the detection result; and repeatedly adjusting for multiple times to finally obtain the optimal positions of the post-cast strip jacking devices.
In an alternative embodiment, the height of the backset member 2 is adjustable. On one hand, the height of the back-jacking component 2 can be adjusted, so that the installation of the post-cast strip back-jacking device can be facilitated, the back-jacking component 2 can be arranged at a position with a lower height in advance during installation, and after the supporting component 1 and the back-jacking component 2 are installed, the height of the back-jacking component 2 is adjusted, so that the back-jacking component 2 is respectively abutted against the supporting component 1 and the back-jacking part 3; on the other hand, the height of the ejection returning component 2 is adjustable, so that the ejection returning part 3 can be adjusted to a preset elevation, if the ejection returning part 3 sinks, the ejection returning part 3 can be jacked by adjusting the ejection returning component, and the ejection returning part 3 is jacked to the preset elevation.
In a specific embodiment, the jack-back member 2 may be selected from a hydraulic jack and a press (not shown). The hydraulic jack is also called an oil jack, and is a jack which adopts a plunger or a hydraulic cylinder as a rigid jacking piece. In this embodiment, one end of the hydraulic jack is fixedly arranged at the end of the supporting component 1, and the other end is used for supporting the back-jacking part 3; the pressurizing piece is matched with the hydraulic jack and provides pressure for the hydraulic jack so as to enable the hydraulic jack to do jacking motion by operating the pressurizing piece. The back-top part 3 can be selected as a cross beam corresponding to the post-cast strip part.
Referring to fig. 2 and 3, a schematic structural diagram of a post-cast strip back-top device according to an embodiment of the present invention is shown, and fig. 3 shows a schematic cross-section 1-1 in fig. 1. A first steel plate 4 is arranged between the support part 1 and the back-up part 2. Wherein, the first steel plate 4 is fixed with the supporting component 1 by welding, and the back-up component 2 is connected with the first steel plate 4 by bolt fastening. The area of the first steel plate 4 is larger than the cross-sectional area of the support component 1, the end face of the first steel plate 4 is in contact with the end face of the support component 1, the first steel plate 4 and the support component 1 are welded in a surrounding mode at the contact position, the first steel plate 4 is arranged between the support component 1 and the back-jacking component 2, the area for connecting the back-jacking component 2 is increased, and the fastening connection of the back-jacking component 2 is ensured.
Referring to fig. 2 and 4, a second steel plate 5 is disposed between the support member 1 and the support plane 100. The second steel plate 5 is fixed to the support member 1 by welding, and the second steel plate 5 is fastened to the support plane 100 by bolts. In this embodiment, the surface contact of the second steel plate 5 is larger than the cross-sectional area of the support member 1, the second steel plate 5 is arranged at the end of the second steel plate 5 to increase the contact area with the support plane 100, so as to improve the overall stability, the end surface of the second steel plate 5 is in contact with the end surface of the support member 1, and the second steel plate 5 and the support member 1 are welded at the contact position.
The supporting member 1 may be a square steel pipe, a round steel pipe, or a steel pipe with other cross-sectional shapes, and in this embodiment, the supporting member 1 is a square steel pipe.
Referring to fig. 2, the utility model discloses post-cast strip returns top mounted putting still includes bracing 6, and the one end of bracing 6 is fixed on support plane 100, and the other end links to each other with supporting component 1, and bracing 6 is used for adjusting the straightness that hangs down of supporting component 1.
There is certain inclination between the tip of bracing 6 and the supporting component 1, for the convenience of bracing 6 to the effect of supporting component 1, set firmly adapter part 7 on the supporting component 1, adapter part 7 links to each other with bracing 6, and interact between bracing 6 and the adapter part 7 promptly to transmit the effort for supporting component 1 through adapter part 7, in order to maintain the straightness that hangs down of supporting component 1.
In one embodiment, the adapting member 7 includes a connecting portion 70 and a protruding portion 71, wherein the connecting portion 70 is fixed on the surface of the inclined strut 6, the protruding portion 71 is disposed on the connecting portion 70, and the protruding portion 71 abuts against the end of the inclined strut 6 so as to transmit the abutting force of the inclined strut 6 to the supporting member 1 and maintain the verticality of the supporting member 1. In optional embodiment, support component 1 can select for the square steel pipe, and adapter component 7 can select for the round steel crotch, and is corresponding, and bracing 6 can select for hollow steel pipe, and the bellying 71 part of round steel crotch is embedded into in the hollow hole of bracing 6 to ensure supporting of bracing 6 and round steel crotch and hold.
The inclined strut 6 may be selected to have a plurality of inclined struts 6, which are respectively arranged corresponding to different orientations of the support member 1 to support the support member 1 at different angles, ensuring that the support member 1 maintains perpendicularity at different angles. For example, in one embodiment, the sprags 6 may be selected to have two, with the two sprags 6 being disposed 90 degrees apart. Further, in order to facilitate the effect of the struts 6 on the support member 1, an adapter member 7 is provided between each strut 6 and the support member 1.
The utility model discloses post-cast strip back-top device's concrete application in the construction is as follows:
firstly, carrying out back-jacking support on the back-jacking position of the post-cast strip by using a traditional post-cast strip back-jacking device;
pouring concrete on the post-cast strip;
solidifying the concrete, and removing the beam template at the back top part after the strength of the concrete reaches the preset strength;
installing the post-cast strip back-jacking device of the embodiment of the utility model, adjusting the verticality of the post-cast strip back-jacking device, and back-jacking the back-jacking part to the beam bottom elevation before the beam template is dismantled;
removing the formwork frame body;
after the post-cast strip seals, retrieve the utility model discloses post-cast strip back-top device.
The utility model discloses post-cast strip back-jacking device, after the concrete that can pour in the post-cast strip reaches predetermined intensity, replace traditional post-cast strip back-jacking device for back-cast strip back-jacking position is supported, the utility model discloses a post-cast strip back-jacking device can replace traditional post-cast strip back-jacking device in the work progress to improve the turnover of beam formwork and template support body, the utility model discloses the post-cast strip only needs to carry out back-jacking support to the subregion at back-jacking position, can satisfy the demand that back-jacking support at back-cast strip back-jacking position, and post-cast strip back-jacking device's consumptive material is few to can vacate more current space at the construction site, be convenient for improve the efficiency of construction, back-jacking part highly can adjust, be convenient for at any time according to the actual conditions at back-cast strip back-jacking position adjust post-cast strip back-jacking device.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (10)
1. The utility model provides a post-cast strip back-jacking device which characterized in that for post-cast strip concrete placement, after the concrete strength reaches preset intensity, carries out interim support to the back-jacking position, post-cast strip back-jacking device includes:
the supporting component is fixed on a supporting plane at one end;
one end of the ejecting part is fixedly arranged on the other end of the supporting part, and the other end of the ejecting part abuts against the ejecting part.
2. The post-cast strip topping device of claim 1, wherein the topping member is adjustable in height.
3. The post-cast strip topping device of claim 2, wherein the topping member comprises:
the hydraulic jack is arranged between the supporting component and the post-cast strip;
the pressurizing piece is connected with the hydraulic jack.
4. The post-cast strip topping device of claim 1,
a first steel plate is arranged between the supporting component and the back-jacking component;
a second steel plate is arranged between the supporting component and the supporting plane.
5. The post-cast strip back-up device of claim 4,
the first steel plate and the supporting component are fixed by welding, and the back-up component is in bolt fastening connection with the first steel plate;
the second steel plate and the supporting component are fixed through welding, and the second steel plate and the supporting plane are connected through bolts in a fastening mode.
6. The post-cast strip topping device according to claim 1, further comprising at least one brace, one end of the brace being fixed to the support plane and the other end being connected to the support member.
7. The post-cast strip back-up device of claim 6, comprising two of the braces, the braces being disposed 90 degrees apart.
8. The post-cast strip back-up device according to claim 6 or 7, wherein an adapter member is provided on the support member, the adapter member being connected to the diagonal brace.
9. The post-cast strip back-up device of claim 8, wherein the adapter component comprises:
the connecting part is fixedly arranged on the side surface of the supporting component;
the lug boss is arranged on the connecting part and is abutted against the end part of the inclined strut.
10. The post-cast strip back-up device of claim 1, wherein the support member comprises a square steel tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021371734.8U CN213539811U (en) | 2020-07-13 | 2020-07-13 | Post-cast strip back-jacking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021371734.8U CN213539811U (en) | 2020-07-13 | 2020-07-13 | Post-cast strip back-jacking device |
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| Publication Number | Publication Date |
|---|---|
| CN213539811U true CN213539811U (en) | 2021-06-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021371734.8U Active CN213539811U (en) | 2020-07-13 | 2020-07-13 | Post-cast strip back-jacking device |
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| CN (1) | CN213539811U (en) |
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- 2020-07-13 CN CN202021371734.8U patent/CN213539811U/en active Active
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