CN212896377U - Steel supporting structure for foundation pit supporting - Google Patents
Steel supporting structure for foundation pit supporting Download PDFInfo
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- CN212896377U CN212896377U CN202021010028.0U CN202021010028U CN212896377U CN 212896377 U CN212896377 U CN 212896377U CN 202021010028 U CN202021010028 U CN 202021010028U CN 212896377 U CN212896377 U CN 212896377U
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Abstract
The utility model relates to a steel bearing structure for excavation supporting relates to building excavation supporting equipment technical field, including the sleeve pipe, sleeve pipe one end sets up to the stiff end, and the one end that the stiff end was kept away from to the sleeve pipe sets up to the regulation end, and the sleeve pipe sets up to the internal thread in adjusting the end, and the regulation end is connected with the regulation structure, and the regulation structure includes and adjusts end screw-thread fit's connecting pipe, adjusts the structure still including the base that supplies the connecting pipe installation, and the connecting pipe rotates to be connected on the base, and the base is fixed in respectively on the both sides wall. The utility model discloses have the effect of being convenient for adjust steel shotcrete axial length.
Description
Technical Field
The utility model belongs to the technical field of building excavation supporting equipment technique and specifically relates to a steel bearing structure for excavation supporting is related to.
Background
At present, a supporting system adopted in constructional engineering and municipal engineering can be divided into a steel pipe support, a profile steel support and a concrete support according to materials of the supporting system, the steel structure support has the advantages of small self weight, convenience in mounting and dismounting, reusability and the like, the steel support can be supported along with excavation according to the progress of earthwork excavation, prestress can be applied, and the supporting system is very favorable for controlling the deformation of a wall body, so that the steel structure support can be preferentially selected under general conditions.
The utility model discloses a steel shotcrete head of living of current grant bulletin number CN205296174U, the device include a stiff end, and it includes first load board to and be located the accommodating space of first load board both sides. At least part imbeds the expansion end in the accommodating space, and the expansion end can stretch out and draw back inside and outside, and it includes the end plate to and set firmly on the end plate and with the second load-bearing plate of first load-bearing plate alignment setting, and the one end that the end plate was kept away from to the second load-bearing plate is the wedge face. And a plug iron position located between the first bearing plate and the second bearing plate, wherein a wedge-shaped plug iron is arranged in the plug iron position.
The above prior art solutions have the following drawbacks: when the axial length of the steel support is adjusted, the jack is used for supporting the fixing end, then the iron plug is knocked into the space between the first bearing plate and the second bearing plate, and the adjusting process is inconvenient because the jack needs to be matched in the adjusting process of the axial length of the steel support.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims at providing a steel bearing structure for excavation supporting, it has the effect of being convenient for adjust steel shotcrete axial length.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: the adjustable foundation pit support is characterized by comprising a sleeve, sleeve pipe one end sets up to the stiff end, the one end that the stiff end was kept away from to the sleeve pipe sets up to adjusting the end, the sleeve pipe sets up to the internal thread in adjusting the end, it is connected with the regulation structure to adjust the end, adjust the structure include with adjust end screw-thread fit's connecting pipe, adjust the structure still including supplying the base of connecting pipe installation, the connecting pipe rotates and connects on the base, the base is fixed in respectively on the both sides wall that the foundation pit is relative.
Through adopting above-mentioned technical scheme, the sleeve pipe passes through stiff end and base and connects between the relative both sides wall of foundation ditch, because sheathed tube regulation end spiro union has the connecting pipe, and the connecting pipe rotates to be connected in the base, removes to the direction of keeping away from the stiff end through driving the connecting pipe, and at the in-process that removes, the base carries out the roof pressure with the fixed terminal to the foundation ditch lateral wall, the utility model discloses a relative motion between connecting pipe and the box thread realizes supporting horizontal interval's regulation to realize the convenient regulation of steel shotcrete axial length.
The present invention may be further configured in a preferred embodiment as: and a rotating structure is arranged at the position where the base is contacted with the connecting pipe.
Through adopting above-mentioned technical scheme, set up revolution mechanic between connecting pipe and the base, be convenient for realize the rotation of the relative base of connecting pipe.
The present invention may be further configured in a preferred embodiment as: the rotating structure comprises a plurality of clamping grooves which are uniformly distributed along the circumferential direction of the base and are arranged at one end where the base is in contact with the connecting pipe, balls are connected in the clamping grooves in a rolling mode, the rotating structure further comprises a clamping disc connected to the connecting pipe, and a sliding chute for the balls is formed in one side, in contact with the balls, of the clamping disc.
Through adopting above-mentioned technical scheme, the ball joint is in the position of base and joint dish contact, and in the ball slides and the spout, the ball can effectively reduce the friction between connecting pipe and the base, is convenient for realize the rotation of the relative base of connecting pipe.
The present invention may be further configured in a preferred embodiment as: the one end that the stiff end was kept away from to the connecting pipe is connected with the stopper, the stopper joint is in the base bottom.
Through adopting above-mentioned technical scheme, set up the stopper on the connecting pipe for the connecting pipe joint is on the base, when carrying out the transport of base, and the connecting pipe can not drop from the base, causes danger.
The present invention may be further configured in a preferred embodiment as: the connecting pipe is provided with an adjusting ring which drives the connecting pipe to rotate on the base, the adjusting ring is connected with a pry bar which drives the connecting pipe to rotate, and one end of the pry bar is provided with a handle.
Through adopting above-mentioned technical scheme, use the pinch bar to drive the connecting pipe rotatory, through lever principle, make the rotation of the relative base of connecting pipe realize more easily.
The present invention may be further configured in a preferred embodiment as: the adjustable ring has a plurality ofly along connecting pipe circumference evenly distributed.
Through adopting above-mentioned technical scheme, a plurality of adjustable rings circumference evenly sets up, and when the connecting pipe was in arbitrary angle, can both have an adjustable ring that is convenient for support the pinch bar, makes operation process more simple and convenient.
The present invention may be further configured in a preferred embodiment as: the fixed end is connected with a flange plate, and the fixed end is connected with a mounting seat for mounting the flange plate.
Through adopting above-mentioned technical scheme, the mount pad is connected on the foundation ditch inner wall, and the ring flange of connecting on the sleeve pipe is fixed in on the mount pad to realize the fixed of sleeve pipe stiff end.
The present invention may be further configured in a preferred embodiment as: the mounting seat is provided with a groove matched with the sleeve, and the mounting seat is further provided with a clamping portion for clamping the flange plate.
Through adopting above-mentioned technical scheme, the sheathed tube is fixed to recess and sheathed tube lateral wall adaptation be convenient for realize, is provided with the joint portion of joint ring flange on the mount pad, can realize the steadiness that the sleeve pipe stiff end is connected.
The present invention may be further configured in a preferred embodiment as: reinforcing ribs which are uniformly distributed along the circumferential direction of the sleeve are arranged between the flange plate and the sleeve.
By adopting the technical scheme, the reinforcing ribs are arranged at the joint of the flange plate and the sleeve, so that the connection strength between the flange plate and the sleeve can be increased.
To sum up, the utility model discloses a following at least one useful technological effect:
1. the utility model realizes the adjustment of the horizontal distance of the sleeve support through the relative movement between the connecting pipe and the sleeve thread, thereby realizing the adjustment of the axial length of the steel support;
2. the ball is clamped at the contact position of the base and the clamping disc, slides in the chute and can effectively reduce the friction between the connecting pipe and the base, so that the rotation of the connecting pipe relative to the base is convenient to realize;
3. the prying bar is used for driving the connecting pipe to rotate, and the rotation of the connecting pipe relative to the base is easier to realize through the lever principle.
Drawings
FIG. 1 is a schematic structural view of the overall structure of the present embodiment;
FIG. 2 is an exploded view of the connecting tube of the present embodiment;
FIG. 3 is a schematic view showing the structure of the protruded fixing end of the present embodiment;
FIG. 4 is a schematic view showing the structure of the highlighted mounting base of the present embodiment.
Reference numerals: 1. a sleeve; 2. a fixed end; 3. an adjustment end; 4. steel purlin; 5. a connecting pipe; 6. a base; 7. an adjusting ring; 8. a limiting block; 9. a ball bearing; 10. a pry bar; 11. a handle; 12. a flange plate; 13. reinforcing ribs; 14. a mounting seat; 15. a groove; 16. a clamping part; 17. a clamping disc 18 and a sliding chute; 19. a clamping groove.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, for the utility model discloses a steel bearing structure for excavation supporting, when excavation supporting, earlier along the direction both sides installation steel that the foundation ditch extends and enclose purlin 4, the steel encloses purlin 4 and is prior art, and the steel encloses the purlin and fixes with the foundation ditch lateral wall adopts the triangular supports more, encloses to be provided with a plurality of steel bearing structure between purlin 4 at foundation ditch both sides steel, and steel bearing structure sets up along the direction parallel and even interval of foundation ditch extension. The steel bearing structure includes sleeve pipe 1, and sleeve pipe 1's one end sets up to stiff end 2, and the one end that stiff end 2 was kept away from to sleeve pipe 1 sets up to adjusting end 3, and adjusting end 3 is connected with the regulation structure.
Referring to fig. 2 and 3, the sleeve 1 is a cylindrical steel pipe with a hollow interior, the adjusting end 3 of the sleeve 1 is arranged to be an internal thread structure, the adjusting structure comprises a connecting pipe 5, the connecting pipe 5 is in threaded connection with the adjusting end 3, and the adjusting structure further comprises a base 6 rotatably connected with the connecting pipe 5. The position of connecting pipe 5 and the contact of base 6 is provided with revolution mechanic, and revolution mechanic is including setting up a plurality of balls 9 in the one side of base 6 and the contact of connecting pipe 5, and a plurality of draw-in grooves 19 that supply ball 9 to place are seted up to the upper surface of base 6, and draw-in groove 19 is along base 6's upper surface circumference evenly distributed, and ball 9 joint is in draw-in groove 19, and ball 9 can realize 360 rotations in draw-in groove 19. The position of contact with base 6 on the connecting pipe 5 is provided with joint dish 17, and joint dish 17 sets up the spout 18 that supplies ball 9 to remove with one side of ball 9 contact, and when connecting pipe 5 rotated on base 6, ball 9 rolled in spout 18, and ball 9 can effectively reduce the friction of rotating the in-process.
Referring to fig. 2 and 3, the end of the connecting pipe 5 away from the sleeve 1 is provided with a limiting block 8, and the limiting block 8 can increase the stability of the connecting pipe 5 connected with the base 6. During the installation, install connecting pipe 5 on base 6, make joint disc 17 butt base 6, and ball 9 arranges in spout 18, then stretch out the one end welding stopper 8 of base 6 bottom at connecting pipe 5.
Referring to fig. 3, the connecting pipe 5 is connected with an adjusting ring 7 which drives the connecting pipe 5 to rotate on the base 6, the adjusting ring 7 is arranged close to the clamping disc 17, and the adjusting ring 7 is uniformly welded along the circumferential direction of the connecting pipe 5. A pry bar 10 is clamped on the adjusting ring 7, a handle 11 is arranged at one end of the pry bar 10, and the pry bar 10 and the handle 11 are integrally bent. When the axial length of the sleeve 1 needs to be adjusted, the pry bar 10 is clamped in the adjusting ring 7, the connecting pipe 5 is driven to rotate by pushing the handle 11, and the pry bar 10 can utilize the lever principle to enable the rotating operation to be more labor-saving. During installation, connecting pipe 5 spiro union gets into in the sleeve pipe 1, with sleeve pipe 1 and connecting pipe 5 axial length adjustment to the unanimous back with the foundation ditch width, with base 6 through the bolt fastening on steel encloses purlin 4 (refer to fig. 1), then use pinch bar 10 drive connecting pipe 5 to the direction rotation of keeping away from sleeve pipe 1, make sleeve pipe 1 and connecting pipe 5 support tight steel and enclose purlin 4 (refer to fig. 1).
Referring to fig. 3, the fixed end 2 of the sleeve 1 is connected with a flange 12, reinforcing ribs 13 are uniformly distributed along the circumferential direction of the sleeve 1 between the flange 12 and the sleeve 1, the reinforcing ribs 13 can increase the connection strength between the flange 12 and the sleeve 1, and the flange 12 and the reinforcing ribs 13 are welded on the sleeve 1.
Referring to fig. 4, the steel purlin 4 is connected with a mounting seat 14, the mounting seat 14 is fixed on the steel purlin 4 of the foundation pit through bolts, the mounting seat 14 is provided with a groove 15 matched with the sleeve 1, and a clamping portion 16 for clamping the flange 12 is arranged in the mounting seat 14. During the installation, sleeve pipe 1 is placed in mount pad 14 under the drive of lifting machine on, owing to be provided with joint portion 16 on the mount pad 14, the ring flange 12 joint on the sleeve pipe 1 is in joint portion 16, and sleeve pipe 1's lateral wall butt realizes the location of sleeve pipe 1's stiff end 2 in recess 15, later uses the bolt fastening with ring flange 12 and mount pad 14.
The specific implementation manner of this embodiment:
in the foundation ditch excavation process, when needing to increase the axial length of horizontal steel shotcrete, stretch into adjustable ring 7 with pinch bar 10 in, realize connecting pipe 5 through operating handle 11 and remove towards the direction of keeping away from stiff end 2, connecting pipe 5 drives 6 extrusion steel of base and encloses purlin 4, promotes the steel and encloses purlin 4 and remove to the direction of extrusion foundation ditch lateral wall, and simultaneously, the steel that 2 extrusion stiff end is connected with it encloses purlin 4 to realize the regulation of steel shotcrete axial length. When the sleeve 1 needs to be disassembled, the prying bar 10 is used for driving the connecting pipe 5 to move towards the direction close to the fixed end 2, and the bolts on the base 6 and the flange plate 12 are unscrewed, so that the sleeve 1 can be disassembled.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (7)
1. The utility model provides a steel bearing structure for excavation supporting, includes sleeve pipe (1), sleeve pipe (1) one end sets up to stiff end (2), the one end that stiff end (2) were kept away from in sleeve pipe (1) sets up to adjust end (3), its characterized in that: the adjusting structure comprises a connecting pipe (5) in threaded fit with the adjusting end (3), the adjusting structure further comprises a base (6) for mounting the connecting pipe (5), the connecting pipe (5) is rotatably connected to the base (6), and the base (6) and the fixing end (2) are respectively fixed on two opposite side walls of a foundation pit; a rotating structure is arranged at the position where the base (6) is contacted with the connecting pipe (5); rotating-structure is including setting up in a plurality of draw-in grooves (19) along base (6) circumference evenly distributed of base (6) and connecting pipe (5) contact one end, the roll is connected with ball (9) in draw-in groove (19), rotating-structure is still including connecting joint dish (17) on connecting pipe (5), supply gliding spout (18) of ball (9) to offer in one side that joint dish (17) and ball (9) contact.
2. A steel support structure for foundation pit support according to claim 1, wherein: one end of the connecting pipe (5) far away from the fixed end (2) is connected with a limiting block (8), and the limiting block (8) is connected to the bottom of the base (6) in a clamping mode.
3. A steel support structure for foundation pit support according to claim 1, wherein: be provided with on connecting pipe (5) and drive connecting pipe (5) and rotate adjustable ring (7) on base (6), be connected with on adjustable ring (7) and drive connecting pipe (5) pivoted pinch bar (10), the one end of pinch bar (10) is provided with handle (11).
4. A steel support structure for foundation pit support according to claim 3, wherein: the adjusting ring (7) is uniformly distributed along the circumferential direction of the connecting pipe (5) in a plurality.
5. A steel support structure for foundation pit support according to claim 1, wherein: be connected with ring flange (12) on stiff end (2), stiff end (2) are connected with mount pad (14) that supply ring flange (12) to install.
6. A steel support structure for foundation pit support according to claim 5, wherein: the mounting seat (14) is provided with a groove (15) matched with the sleeve (1), and the mounting seat (14) is further provided with a clamping part (16) of a clamping flange (12).
7. A steel support structure for foundation pit support according to claim 5, wherein: reinforcing ribs (13) which are uniformly distributed along the circumferential direction of the sleeve (1) are arranged between the flange plate (12) and the sleeve (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021010028.0U CN212896377U (en) | 2020-06-04 | 2020-06-04 | Steel supporting structure for foundation pit supporting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021010028.0U CN212896377U (en) | 2020-06-04 | 2020-06-04 | Steel supporting structure for foundation pit supporting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212896377U true CN212896377U (en) | 2021-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021010028.0U Active CN212896377U (en) | 2020-06-04 | 2020-06-04 | Steel supporting structure for foundation pit supporting |
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| Country | Link |
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| CN (1) | CN212896377U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113605405A (en) * | 2021-08-03 | 2021-11-05 | 福建九鼎建设集团有限公司 | Supporting construction of building foundation ditch |
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2020
- 2020-06-04 CN CN202021010028.0U patent/CN212896377U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113605405A (en) * | 2021-08-03 | 2021-11-05 | 福建九鼎建设集团有限公司 | Supporting construction of building foundation ditch |
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