CN217419651U - Detachable steel support mounting device used in narrow space deep foundation pit - Google Patents
Detachable steel support mounting device used in narrow space deep foundation pit Download PDFInfo
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- CN217419651U CN217419651U CN202220532700.5U CN202220532700U CN217419651U CN 217419651 U CN217419651 U CN 217419651U CN 202220532700 U CN202220532700 U CN 202220532700U CN 217419651 U CN217419651 U CN 217419651U
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- support frame
- shaped
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- steel support
- detachable
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 81
- 239000010959 steel Substances 0.000 title claims abstract description 81
- 238000009434 installation Methods 0.000 claims abstract description 14
- 239000011378 shotcrete Substances 0.000 claims abstract description 12
- 238000010276 construction Methods 0.000 description 4
- 239000004567 concrete Substances 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model relates to a deep basal pit engineering struts technical field, especially relates to a detachable steel shotcrete installation device for in narrow and small space deep basal pit, include: the novel prefabricated threaded steel support comprises a pi-shaped support frame, a T-shaped support frame, an I-shaped connecting piece and a prefabricated threaded steel support body, wherein one side of the square support frame is detachably and fixedly installed on a crown beam, the other side of the pi-shaped support frame is detachably and fixedly installed with one side of the T-shaped support frame, an I-shaped mortise is formed in the middle of the other side of the T-shaped support frame, one side of the I-shaped connecting piece is in mortise-tenon joint connection with the I-shaped mortise, the other side of the I-shaped connecting piece is in threaded connection with one side of the prefabricated threaded steel support body, and the other side of the prefabricated threaded steel support body is in threaded connection with the steel support body. The utility model provides a but steel shotcrete installation device that is arranged in narrow and small space deep basal pit steel shotcrete installation, simple structure, simple to operate, easily dismantles, and low in cost mass production simultaneously.
Description
Technical Field
The utility model relates to a deep basal pit engineering struts technical field, especially relates to a detachable steel shotcrete installation device for in narrow and small space deep basal pit.
Background
In deep foundation pit engineering, in order to ensure the safety of construction and surrounding environment, the side wall of a foundation pit and the surrounding environment can be supported, and a foundation pit supporting structure mainly comprises a steel support and a concrete support, wherein the steel support is widely applied to the field of foundation pit supporting due to the advantage of reusability of the steel support.
At present, when the steel support is installed, a supporting steel plate is pre-embedded before concrete pouring of a crown beam, a bracket steel plate is welded on the pre-embedded supporting steel plate, and then the steel support is installed. Above-mentioned mounting means work efficiency is lower, especially in narrow and small space deep basal pit, because the operating space is less, more can cause the installation to waste time and energy, the operation is inconvenient, is difficult to guarantee the installation quality of steel shotcrete, and the later stage can also meet the problem that the steel shotcrete was dismantled the difficulty moreover.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a be arranged in narrow and small space deep basal pit detachable steel shotcrete installation device to solve the technical problem who exists among the above-mentioned background art.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
the utility model provides a detachable steel shotcrete installation device for in narrow and small space deep basal pit, includes: pi type support frame, T type support frame, I shape connecting piece and prefabricated screw steel support, the detachable fixed mounting in pi type support frame one side is on the hat beam, pi type support frame opposite side and the detachable fixed mounting in T type support frame one side are in the same place, I shape tongue-and-groove has been seted up at T type support frame opposite side middle part, I shape connecting piece one side and I shape tongue-and-groove mortise and tenon fourth of the twelve earthly branches are connected, I shape connecting piece opposite side threaded connection one side that prefabricated screw steel supported, the opposite side threaded connection steel that prefabricated screw steel supported supports.
Furthermore, the upper end and the lower end of the crown beam are tightly attached to the opposite inner side ends of the two support legs of the pi-shaped support frame, and the pi-shaped support frame is fixedly connected with the crown beam through bolts.
Furthermore, a plurality of bolt holes are symmetrically formed in two support legs of the pi-shaped support frame, two embedded parts are symmetrically arranged at the upper end and the lower end of the crown beam, a plurality of mounting screw holes which correspond to the bolt holes in a one-to-one mode are formed in the embedded parts, and the bolt is sequentially in threaded connection with the bolt holes and the mounting screw holes from outside to inside.
Furthermore, the pi-shaped support frame and the T-shaped support frame are fixedly connected together through a plurality of bolts.
Furthermore, one side of the pi-shaped support frame opposite to one side of the T-shaped support frame is provided with a plurality of bolt holes, the bolt holes in the pi-shaped support frame and the bolt holes in the T-shaped support frame are arranged in a one-to-one correspondence mode, and the bolts are sequentially in threaded connection with the two bolt holes in the pi-shaped support frame and the two bolt holes in the T-shaped support frame, wherein the two bolt holes are corresponding in position.
Furthermore, a plurality of stiffening ribs which are uniformly distributed are arranged at two outer included angles of the pi-shaped support frame and two outer included angles of the T-shaped support frame.
Further, the I-shaped connecting piece comprises an I-shaped tenon and a semi-closed steel pipe, the I-shaped tenon is welded and fixed at the closed end of the semi-closed steel pipe, the I-shaped tenon is in joggle joint in the I-shaped mortise, and the open end of the semi-closed steel pipe is in threaded connection with one side of the prefabricated threaded steel support.
Furthermore, the middle part of the prefabricated screw steel support is provided with a short rib hole for inserting a short rib.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the connection mode of tenon-and-mortise connection between the T-shaped support frame and the I-shaped connecting piece is adopted to ensure that the whole installation device is firmly installed and is convenient to detach, and meanwhile, the construction is the splicing piece, the size can be customized and adjusted according to actual needs, and the T-shaped support frame can be suitable for various sizes of crown beams and deep foundation pit steel support structures.
2. The n-shaped support frame, the T-shaped support frame and the I-shaped connecting piece which are detachably connected replace the embedded support plate, so that the embedded support plate can be repeatedly used, the steel consumption is reduced, the device is convenient to recycle, and the cost is saved.
3. The length of the steel support can be adjusted by loosening and tightening the prefabricated threaded steel support, and the whole steel support is tightly propped to ensure that the steel support and the crown beam are kept vertical and cannot move and the application of prestress is completed.
4. Whole device simple to operate, and can install simultaneously at steel shotcrete both ends, carry out the multiple spot operation, further improved on-the-spot efficiency of construction.
Drawings
FIG. 1 is a view of the structure of the present invention;
FIG. 2 is a structural view of the Pi-shaped support frame and a welded part thereof;
FIG. 3 is a structural view of the T-shaped support frame and its welded parts;
FIG. 4 is a structural view of the I-shaped connecting member of the present invention;
figure 5 is the structural view of the precast deformed steel bar support of the present invention.
The reference numbers in the drawings are: the steel frame structure comprises a 1-pi-shaped support frame, a 2-T-shaped support frame, a 3-I-shaped connecting piece, a 4-prefabricated deformed steel bar support, a 5-crown beam, a 6-stiffening rib, a 7-bolt, an 8-bolt hole, a 9-I-shaped mortise, a 10-I-shaped tenon, a 11-semi-closed steel pipe and a 12-short rib hole.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Referring to fig. 1-5, a detachable steel shotcrete installation device for in narrow and small space deep basal pit includes: the support comprises a pi-shaped support frame 1, a T-shaped support frame 2, an I-shaped connecting piece 3 and a prefabricated threaded steel support 4, wherein one side of the pi-shaped support frame 1 is detachably and fixedly installed on a crown beam 5, the other side of the pi-shaped support frame 1 is detachably and fixedly installed with one side of the T-shaped support frame 2, an I-shaped mortise 9 is formed in the middle of the other side of the T-shaped support frame 2, one side of the I-shaped connecting piece 3 is in mortise and tenon joint with the I-shaped mortise 9, the other side of the I-shaped connecting piece 3 is in threaded connection with one side of the prefabricated threaded steel support 4, and the other side of the prefabricated threaded steel support 4 is in threaded connection with the steel support.
The upper end and the lower end of the crown beam 5 are tightly attached to the opposite inner side ends of two support legs of the pi-shaped support frame 1, and the pi-shaped support frame 1 and the crown beam 5 are fixedly connected together through bolts 7.
A plurality of bolt holes 8 are symmetrically formed in two support legs of the pi-shaped support frame 1, two embedded parts are symmetrically arranged at the upper end and the lower end of the crown beam 5, a plurality of installation screw holes in one-to-one correspondence with the bolt holes 8 are formed in the embedded parts, the bolt 7 is in threaded connection with the bolt holes 8 and the installation screw holes from outside to inside in sequence, and the pi-shaped support frame 1 is convenient to install or disassemble.
The pi-shaped support frame 1 and the T-shaped support frame 2 are fixedly connected together through a plurality of bolts 7.
One side that pi type support frame 1 and T type support frame 2 are in opposite directions all is provided with a plurality of bolt hole 8, and a plurality of bolt hole 8 on pi type support frame 1 and a plurality of bolt hole 8 on T type support frame 2 one-to-one set up, and bolt 7 threaded connection pi type support frame 1 and T type support frame 2 go up two bolt holes 8 that the position corresponds in proper order.
Two outer contained angles of pi type support frame 1 and two outer contained angles of T type support frame 2 all are provided with a plurality of evenly distributed's stiffening rib 6, can improve pi type support frame 1 and T type support frame 2's support intensity and stability through the stiffening rib 6 that sets up.
The I-shaped connecting piece 3 comprises an I-shaped tenon 10 and a semi-closed steel pipe 11, the I-shaped tenon 10 is fixedly welded at the closed end of the semi-closed steel pipe 11, the I-shaped tenon 10 is joggled in the I-shaped mortise 9, and the opening end of the semi-closed steel pipe 11 is in threaded connection with one side of the prefabricated threaded steel support 4.
The short rib hole 12 that is used for the arrangement of short muscle is offered at 4 middle parts of prefabricated screw steel support, can conveniently arrange the short muscle in short rib hole 12 through the short rib hole 12 that sets up to rotate, thereby adjust the length of steel support according to actual operation needs.
When the device is used, firstly the pi-shaped support frame 1 is clamped on the upper end and the lower end of a crown beam 5, then the pi-shaped support frame 1 and the crown beam 5 are firmly installed together through bolts 7, then the T-shaped support frame 2 and the pi-shaped support frame 1 are fixedly connected together through a plurality of bolts 7, then the two ends of the prefabricated screw steel support 4 are respectively in threaded connection with the open end of a semi-closed steel pipe 11 on an I-shaped connecting piece 3 and the connecting end of the steel support, then the prefabricated screw steel support 4 is screwed to tenon joint an I-shaped tenon 10 on the I-shaped connecting piece 3 in an I-shaped mortise 9, so that the T-shaped support frame 2 and the I-shaped connecting piece 3 are connected, the length of the steel support is adjusted by loosening and tightening the prefabricated screw steel support 4 after the whole steel support is connected, the steel support is jacked and the application of prestress is completed, so as to ensure that the steel support and the crown beam 5 are vertical and can not move, the whole device is convenient to install, convenient to detach and capable of being repeatedly used for multiple times, steel consumption is reduced, the device is convenient to recycle, cost is saved, and on-site construction efficiency can be improved.
The above description is only the preferred embodiment of the present invention, and is not intended to limit the present invention in any form, and any skilled person familiar with the art will not depart from the technical scope of the present invention, and the technical spirit of the present invention will be any simple modification, equivalent replacement, and improvement made by the above embodiments, and the like, all still belong to the technical scope of the present invention.
Claims (8)
1. The utility model provides a detachable steel shotcrete installation device for in narrow and small space deep basal pit which characterized in that includes: pi type support frame (1), T type support frame (2), I shape connecting piece (3) and prefabricated screw-thread steel support (4), the detachable fixed mounting in pi type support frame (1) one side is on hat beam (5), pi type support frame (1) opposite side and the detachable fixed mounting in T type support frame (2) one side are in the same place, I shape tongue-and-groove (9) have been seted up at T type support frame (2) opposite side middle part, I shape connecting piece (3) one side and I shape tongue-and-groove (9) mortise-tenon joint, I shape connecting piece (3) opposite side threaded connection one side of prefabricated screw-thread steel support (4), the opposite side threaded connection steel support of prefabricated screw-thread steel support (4).
2. The detachable steel support mounting device for the deep foundation pit in the narrow space according to claim 1, is characterized in that: the upper end and the lower end of the crown beam (5) are tightly attached to the opposite inner side ends of two support legs of the pi-shaped support frame (1), and the pi-shaped support frame (1) is fixedly connected with the crown beam (5) through bolts (7).
3. The detachable steel support mounting device for the deep foundation pit in the narrow space according to claim 2, is characterized in that: the support is characterized in that a plurality of bolt holes (8) are symmetrically formed in two support legs of the pi-shaped support frame (1), two embedded parts are symmetrically arranged at the upper end and the lower end of the crown beam (5), a plurality of mounting screw holes which correspond to the bolt holes (8) one to one are formed in the embedded parts, and the bolt (7) is sequentially in threaded connection with the bolt holes (8) and the mounting screw holes from outside to inside.
4. The detachable steel support mounting device for the deep foundation pit in the narrow space according to claim 1, is characterized in that: the pi-shaped support frame (1) is fixedly connected with the T-shaped support frame (2) through a plurality of bolts (7).
5. The detachable steel shotcrete installation device that is arranged in narrow and small space deep basal pit according to claim 4, characterized in that: one side that pi type support frame (1) and T type support frame (2) are in opposite directions all is provided with a plurality of bolt hole (8), a plurality of bolt hole (8) on pi type support frame (1) and a plurality of bolt hole (8) on T type support frame (2) one-to-one set up, bolt (7) threaded connection pi type support frame (1) and T type support frame (2) go up two bolt holes (8) that the position is corresponding in proper order.
6. The detachable steel support mounting device for the deep foundation pit in the narrow space according to claim 1, is characterized in that: two outer included angles of the pi-shaped support frame (1) and two outer included angles of the T-shaped support frame (2) are provided with a plurality of stiffening ribs (6) which are uniformly distributed.
7. The detachable steel support mounting device for the deep foundation pit in the narrow space according to claim 1, is characterized in that: the I-shaped connecting piece (3) comprises an I-shaped tenon (10) and a semi-closed steel pipe (11), the I-shaped tenon (10) is welded and fixed at the closed end of the semi-closed steel pipe (11), the I-shaped tenon (10) is joggled in an I-shaped mortise (9), and the open end of the semi-closed steel pipe (11) is in threaded connection with one side of the prefabricated threaded steel support (4).
8. The detachable steel support mounting device for the deep foundation pit in the narrow space according to claim 1, is characterized in that: and a short rib hole (12) for inserting a short rib is formed in the middle of the prefabricated threaded steel support (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220532700.5U CN217419651U (en) | 2022-03-11 | 2022-03-11 | Detachable steel support mounting device used in narrow space deep foundation pit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220532700.5U CN217419651U (en) | 2022-03-11 | 2022-03-11 | Detachable steel support mounting device used in narrow space deep foundation pit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217419651U true CN217419651U (en) | 2022-09-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220532700.5U Active CN217419651U (en) | 2022-03-11 | 2022-03-11 | Detachable steel support mounting device used in narrow space deep foundation pit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217419651U (en) |
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2022
- 2022-03-11 CN CN202220532700.5U patent/CN217419651U/en active Active
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