CN217811062U

CN217811062U - Deep foundation pit protects domatic supporting construction

Info

Publication number: CN217811062U
Application number: CN202220748632.6U
Authority: CN
Inventors: 王平; 王维江; 叶全宏; 苟伟; 王怀金; 石耀勇; 洪波; 付双龙
Original assignee: Chengdu Guohua Environmental Technology Co ltd
Current assignee: Chengdu Guohua Environmental Technology Co ltd
Priority date: 2022-03-31
Filing date: 2022-03-31
Publication date: 2022-11-15
Anticipated expiration: 2032-03-31

Abstract

The utility model provides a deep basal pit protects domatic supporting construction, set up on the top of the slope of deep basal pit bank protection, domatic and the bottom of the slope, and leave between domatic and pour the clearance, including a backplate, go up support subassembly and lower support subassembly, the support subassembly slope sets up on domatic, goes up the support subassembly and sets up on the top of the slope, goes up the support subassembly and is used for the supporting plate upper end, and lower support subassembly sets up on the bottom of the slope, and lower support subassembly is used for supporting plate middle part and lower extreme. The upper supporting component comprises a second anchor seat, a tensioning piece, a limiting supporting rod and a steel wire, and the lower supporting component comprises a first anchor seat, a sliding seat, an adjusting device, a first supporting rod and a second supporting rod. The problems that the material consumption of an existing structure for supporting and pouring cement is large, the structure is complex, the use is very inconvenient, a pouring gap is difficult to control, and the upper end of the slope surface of a deep foundation pit is difficult to support are solved.

Description

Deep foundation pit protects domatic supporting construction

Technical Field

The utility model relates to a rise excavation supporting technical field, particularly, relate to a deep basal pit bank protection face supporting construction.

Background

The deep foundation pit support is a measure of supporting, reinforcing and protecting the side wall of the deep foundation pit and the surrounding environment in order to ensure the safety of the construction of an underground structure and the surrounding environment of the foundation pit. Without a reliable supporting system, the excavation of the deep foundation pit inevitably affects adjacent buildings or structures, and even causes accidents of surface collapse, structural collapse and the like in severe cases. In the excavation work process of the existing deep foundation pit, excavation equipment is required to excavate one layer by one layer, namely after a foundation pit with a certain depth is excavated, the excavation equipment enters the bottom of the foundation pit to excavate the next layer until the specified depth is excavated, namely, excavation work of the step level is carried out, and after each layer of excavation is finished, the slope surface of each layer of foundation pit needs to be supported and concreted, so that collapse and landslide accidents of loose earth can be prevented, manual work and equipment for construction in the foundation pit are protected, but the existing structure for supporting and concreting has the problems of large material consumption, complex structure, inconvenience in use, difficulty in controlling poured gaps, difficulty in supporting the slope surface upper end of the deep foundation pit and the like.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a deep basal pit protects domatic supporting construction, it has solved current structure of strutting that concreting used has the consumptive material volume great, and the structure is complicated, and it is very inconvenient to use, and the clearance of pouring is difficult to the accuse to and the domatic upper end of deep basal pit is difficult to strut the scheduling problem. .

The embodiment of the utility model discloses a realize through following technical scheme: a deep foundation pit slope protection surface supporting structure is arranged on a slope top, a slope surface and a slope bottom of a deep foundation pit slope protection, a pouring gap is reserved between the deep foundation pit slope protection surface supporting structure and the slope surface, the deep foundation pit slope protection structure comprises a supporting plate, an upper supporting assembly and a lower supporting assembly, the supporting plate is obliquely arranged on the slope surface, the upper supporting assembly is arranged on the slope top, the upper supporting assembly is used for supporting the upper end of a supporting plate, the lower supporting assembly is arranged on the slope bottom, and the lower supporting assembly is used for supporting the middle part and the lower end of the supporting plate;

the lower supporting component comprises a first anchor bed, a sliding seat, an adjusting device, a first supporting rod and a second supporting rod, the first anchor bed is arranged on the slope bottom, the sliding seat and the adjusting device are arranged on the first anchor bed, the sliding seat is arranged on the first anchor bed in a sliding mode, the adjusting device is used for driving the sliding seat to move on the first anchor bed, the sliding seat is located between the adjusting device and the supporting and protecting plate, one end of the first supporting rod is hinged to the sliding seat, the other end of the first supporting rod is hinged to the lower end of the supporting plate, a check block can be detachably arranged on the sliding seat, one end of the second supporting rod is hinged to the middle of the supporting plate, the other end of the second supporting rod is abutted to the check block, and a wedge is embedded between the check block and the second supporting rod.

Furthermore, adjusting device includes nut seat, screw rod and adjusting disk, the nut seat sets up first anchor chock is kept away from the one end of a backplate, the screw rod wears to establish on the nut seat, the screw rod with nut seat threaded connection, screw rod one end with the slide rotates to be connected, the adjusting disk is fixed to be set up the screw rod is kept away from the one end of slide, it is provided with a plurality of regulation poles to encircle on the outer wall of adjusting disk.

Furthermore, a plurality of slotted holes are formed in the sliding seat at intervals, pin columns are arranged at the bottoms of the stop blocks, and the pin columns are embedded into the slotted holes.

Furthermore, first pin pole and first sleeve pipe are drawn together to first bracing piece, first pin pole one end with the supporting plate lower extreme is articulated, first sleeve pipe one end with the slide is articulated, first pin pole with first sleeve pipe passes through the bolt connection.

Furthermore, the second support rod comprises a second pin rod and a second sleeve, one end of the second pin rod is hinged to the middle of the support plate, the other end of the second pin rod is inserted into the second sleeve, and one end, far away from the second pin rod, of the second sleeve is abutted to the stop block.

Furthermore, the upper supporting assembly comprises a second anchor seat, a tensioning piece, a limiting supporting rod and a steel wire, the second anchor seat is arranged on the top of the slope, one end of the tensioning piece is connected with the second anchor seat, the other end of the tensioning piece is connected with the upper end of the supporting plate through the steel wire, and the limiting supporting rod is arranged between the upper end of the supporting plate and the second anchor seat.

Furthermore, a plurality of jacks are arranged on the second anchor seat at intervals, one end of the tensioning piece is hinged with an inserted bar, and the inserted bar is embedded in the jacks.

Furthermore, a pin is embedded into the upper end of the supporting plate, one end of the steel wire is connected with the pin, and the other end of the steel wire is connected with the tensioning piece.

The utility model discloses technical scheme has following advantage and beneficial effect at least:

the utility model relates to a rationally, simple structure, a deep basal pit bank protection face supporting construction, set up on the top of slope of deep basal pit bank protection, domatic and slope bottom, and leave between domatic and pour the clearance, including supporting the backplate, go up support subassembly and lower support subassembly, the support plate slope sets up on domatic, goes up the support subassembly and sets up on the top of slope, goes up the support subassembly and is used for supporting the backup pad upper end, and lower support subassembly sets up on the slope bottom, and lower support subassembly is used for supporting backup pad middle part and lower extreme. The upper support component comprises a second anchor seat, a tensioning piece, a limiting support rod and a steel wire, and the lower support component comprises a first anchor seat, a sliding seat, an adjusting device, a first support rod and a second support rod. Through the clearance distance between first bracing piece control supporting plate lower extreme and the domatic, realize simultaneously realizing supporting the supporting plate lower extreme, because the pressure of bottom can be bigger, so lay on the slope bottom through first anchorage bar horizontally and can provide the optimal support angle to the supporting plate bottom, and then the supporting effect is fabulous, support the horizontal muscle board at a plurality of backplate middle parts through the second bracing piece simultaneously, the second bracing piece has decurrent pressure to first anchorage bar simultaneously, and then further increase the pressure at first anchorage bar and the slope bottom, and then have the secondary action to strutting the strutting of supporting the supporting plate bottom. Fix steel wire one end around establishing on the pin, the other end colludes in tensioning piece one end, adjusts the position of inserted bar afterwards according to the length of steel wire, inserts the inserted bar of the tensioning piece other end in corresponding jack, adjusts tensioning piece at last and makes it tighten with the steel wire, and then will prop up the upper end of backplate taut, realizes the quick support of the backplate upper end. After pouring and forming, the support of the support plate can be cancelled only by shearing the steel wires. The use is simple and convenient, and the working efficiency is greatly improved. Not only does not need a large amount of supporting materials, but also is simple and convenient to use, does not occupy a large amount of space, and does not have too much blocking when pouring cement.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural view of a deep foundation pit slope protection surface supporting structure provided by the utility model;

fig. 2 is a schematic structural view of a lower supporting component of the deep foundation pit slope protecting surface supporting structure provided by the utility model;

fig. 3 is a schematic structural view of a supporting component on a deep foundation pit slope protecting surface supporting structure provided by the utility model;

fig. 4 is a schematic structural view of the deep foundation pit slope protecting and supporting structure provided by the utility model, wherein a second supporting rod is connected with a supporting plate;

icon: 1. the slope top, 2, the slope surface, 3, the slope bottom, 4, the supporting plate, 5, the first anchor seat, 6, the slide seat, 7, the dog, 8, the wedge, 9, the nut seat, 10, the screw rod, 11, the adjusting disk, 12, the adjusting rod, 13, the slotted hole, 14, the pin column, 15, the first pin rod, 16, the first sleeve pipe, 17, the second pin rod, 18, the second sleeve pipe, 19, the second anchor seat, 20, the tensioning piece, 21, the limiting supporting rod, 22, the steel wire, 23, the jack, 24, the inserted link, 25, the pin.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Examples

Referring to fig. 1 to 4, the embodiment provides a deep foundation pit slope protection surface supporting structure, which is arranged on a slope top 1, a slope surface 2 and a slope bottom 3 of a deep foundation pit slope protection, and a pouring gap is reserved between the deep foundation pit slope protection surface supporting structure and the slope surface 2, and comprises a supporting plate 4, an upper supporting component and a lower supporting component, wherein the supporting plate 4 is obliquely arranged on the slope surface 2, the upper supporting component is arranged on the slope top 1, the upper supporting component is used for supporting the upper end of the supporting plate 4, the lower supporting component is arranged on the slope bottom 3, and the lower supporting component is used for supporting the middle part and the lower end of the supporting plate 4;

the lower supporting component comprises a first anchor block 5, a sliding seat 6, an adjusting device, a first supporting rod and a second supporting rod, the first anchor block 5 is arranged on the slope bottom 3, the sliding seat 6 and the adjusting device are both arranged on the first anchor block 5, the sliding seat 6 is arranged on the first anchor block 5 in a sliding mode, the adjusting device is used for driving the sliding seat 6 to move on the first anchor block 5, the sliding seat 6 is located between the adjusting device and the supporting plate 4, one end of the first supporting rod is hinged to the sliding seat 6, the other end of the first supporting rod is hinged to the lower end of the supporting plate 4, a stop block 7 can be detachably arranged on the sliding seat 6, one end of the second supporting rod is hinged to the middle of the supporting plate 4, the other end of the second supporting rod is abutted to the stop block 7, and a wedge 8 is arranged between the stop block 7 and the second supporting rod in an embedding mode. As shown in fig. 1-4, when supporting the slope surface 2 of the deep foundation pit before pouring, it is required to ensure the slope surface to be flat without large-diameter impurities, and then it is ensured that the reinforcing steel frames between the slope surface 2 and the supporting plates 4 are laid flat, and then a plurality of supporting plates 4 are laid on the reinforcing steel frames, in order to save the use of supporting structures, upper transverse rib plates can be respectively fixed at the upper ends, the middle portions and the lower ends of a plurality of supporting plates 4, and then a plurality of upper supporting components and lower supporting components are arranged at intervals to support the upper transverse rib plates, the middle portions and the lower transverse rib plates, so that a lot of supporting components can be saved.

During specific implementation, first anchor socket 5 of the supporting component is fixed on the slope bottom 3 through an anchor rod, then two ends of a first supporting rod are hinged to sliding seat 6 and a transverse rib plate at the lower end of supporting plate 4 respectively, sliding seat 6 is adjusted to move on first anchor socket 5 through an adjusting device, and then clearance distance between the lower end of supporting plate 4 and slope surface 2 is controlled through first supporting rod, and meanwhile supporting of the lower end of supporting plate 4 is achieved, because pressure at the bottom end is large, optimal supporting angle can be provided for the bottom of supporting plate 4 through horizontal laying of first anchor socket 5 on slope bottom 3, and further supporting effect is excellent, meanwhile, a plurality of transverse rib plates in the middle of supporting plate 4 are supported through second supporting rods, meanwhile, the second supporting rods have downward oblique pressure on first anchor socket 5, and further increase pressure of first anchor socket 5 and slope bottom 3, and further have auxiliary effect on supporting of the bottom of supporting plate 4. And finally, supporting the upper end of the supporting plate 4 through the upper supporting assembly. Not only does not need a large amount of supporting materials, but also is simple and convenient to use, does not occupy a large amount of space, and does not have too much blocking when pouring cement.

Adjusting device includes nut seat 9, screw rod 10 and adjusting disk 11, and nut seat 9 sets up the one end of keeping away from a backplate 4 at first anchor chock 5, and screw rod 10 wears to establish on nut seat 9, screw rod 10 and nut seat 9 threaded connection, and screw rod 10 one end is rotated with slide 6 and is connected, and adjusting disk 11 is fixed to be set up the one end of keeping away from slide 6 at screw rod 10, and it is provided with a plurality of regulation poles 12 to encircle on the outer wall of adjusting disk 11. As shown in fig. 1 and 2, in specific implementation, when the position of the sliding seat 6 on the first anchor seat 5 is preliminarily adjusted, the adjusting disc 11 can be directly rotated, when the resistance of rotation adjustment is large, a section of steel pipe can be found, one end of the steel pipe is sleeved on the adjusting rod 12, and then the power arm is increased to adjust, the adjusting disc 11 drives the screw rod 10 to rotate in the rotating process, and the screw rod 10 is matched with the nut seat 9 to drive the sliding seat 6 to move on the first anchor seat 5. The distance between the lower end of the supporting plate 4 and the slope surface 2 can be accurately adjusted, and the supporting effect can be achieved.

A plurality of slotted holes 13 are arranged on the sliding seat 6 at intervals, pins 14 are arranged at the bottom of the stop block 7, and the pins 14 are embedded in the slotted holes 13. As shown in fig. 1 and 2, in specific implementation, after the lower end of the supporting plate 4 is fixed to the sliding seat 6 by the first supporting rod, the length of the second supporting rod is mostly limited, after the upper end of the second supporting rod is hinged to the transverse rib plate in the middle of the supporting plates 4, the lower end of the second supporting rod is prevented from being placed on the sliding seat 6, an appropriate slot 13 is selected according to the length of the second supporting rod, the pin 14 at the bottom of the stopper 7 is inserted into the corresponding slot 13, so as to achieve rapid installation of the stopper 7, at this time, the second supporting rod and the stopper 7 may not be tightly supported, and then the wedge 8 is inserted, so that the second supporting rod and the stopper 7 are tightly supported, so as to rapidly achieve supporting in the middle of the supporting plate 4, which is also very convenient in disassembly, and the first supporting rod and the second supporting rod can be removed from supporting by the adjusting device, so that the supporting plate 4 can be rapidly separated from the cement poured and formed.

The first supporting rod comprises a first pin rod 15 and a first sleeve 16, one end of the first pin rod 15 is hinged with the lower end of the supporting plate 4, one end of the first sleeve 16 is hinged with the sliding seat 6, and the first pin rod 15 is connected with the first sleeve 16 through a bolt. As shown in fig. 1 and 2, in the specific implementation, when the first support rod is used, the first support rod needs to provide tension sometimes, and then the first pin rod 15 is inserted into the first sleeve 16 and connected through the latch, so that the hinged part does not need to be disassembled every time, and the use is simple and rapid.

The second support rod comprises a second pin rod 17 and a second sleeve 18, one end of the second pin rod 17 is hinged to the middle of the support plate 4, the other end of the second pin rod 17 is inserted into the second sleeve 18, and one end, far away from the second pin rod 17, of the second sleeve 18 is abutted to the stop block 7. As shown in fig. 1 and 4, in the specific implementation, since the second support rod mainly provides thrust, when the second support rod is used, after the second pin rod 17 is firstly ensured to be hinged with the transverse rib plate at the middle part of the support plate 4, the second pin rod 17 is directly inserted into the second sleeve 18, and then the lower end of the second sleeve 18 is abutted against the stop 7 on the slide seat 6 and is abutted against the stop through the wedge 8. The angle and the length of the support are convenient to adjust.

The upper supporting component comprises a second anchor seat 19, a tensioning piece 20, a limiting supporting rod 21 and a steel wire 22, wherein the second anchor seat 19 is arranged on the slope top 1, one end of the tensioning piece 20 is connected with the second anchor seat 19, the other end of the tensioning piece 20 is connected with the upper end of the supporting plate 4 through the steel wire 22, and the limiting supporting rod 21 is arranged between the upper end of the supporting plate 4 and the second anchor seat 19.

A plurality of insertion holes 23 are formed in the second anchor seat 19 at intervals, one end of the tensioning member 20 is hinged with an insertion rod 24, and the insertion rod 24 is embedded in the insertion holes 23.

The upper end of the supporting and protecting plate 4 is embedded with a pin 25, one end of the steel wire 22 is connected with the pin 25, and the other end of the steel wire 22 is connected with the tensioning piece 20. As shown in fig. 1 and 3, after the lower ends and the middle parts of the supporting plates 4 are supported, the upper ends of the supporting plates 4 are supported. During specific implementation, the second anchor bed 19 is fixed on the slope top 1 through a plurality of anchor rods according to the length of the limiting support rod 21, the limiting support rod 21 is supported between the upper end of the support plate 4 and the second anchor bed 19, then the pin 25 is embedded in the transverse rib plate at the upper end of the support plates 4, one end of the steel wire 22 is wound and fixed on the pin 25, the other end of the steel wire 22 is hooked at one end of the tensioning piece 20, the position of the insertion rod 24 is adjusted according to the length of the steel wire 22, the insertion rod 24 at the other end of the tensioning piece is inserted into the corresponding insertion hole 23, and finally the tensioning piece 20 is adjusted to be tightened with the steel wire 22, so that the upper end of the support plate 4 is tensioned, and quick support of the upper end of the support plate 4 is realized. After pouring and forming, the support of the support plate 4 can be cancelled only by shearing the steel wires. The use is simple and convenient, and the working efficiency is greatly improved.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a deep basal pit protects domatic supporting construction, is set up on top of slope (1), domatic (2) and the slope bottom (3) of deep basal pit bank protection, and leaves between domatic (2) and pour clearance, its characterized in that: the slope protection device comprises a supporting protection plate (4), an upper supporting component and a lower supporting component, wherein the supporting protection plate (4) is obliquely arranged on the slope surface (2), the upper supporting component is arranged on the top of the slope (1), the upper supporting component is used for supporting the upper end of the supporting protection plate (4), the lower supporting component is arranged on the bottom of the slope (3), and the lower supporting component is used for supporting the middle part and the lower end of the supporting protection plate (4);

the lower supporting component comprises a first anchor seat (5), a sliding seat (6), an adjusting device, a first supporting rod and a second supporting rod, the first anchor seat (5) is arranged on the slope bottom (3), the sliding seat (6) and the adjusting device are arranged on the first anchor seat (5), the sliding seat (6) is arranged on the first anchor seat (5) in a sliding mode, the adjusting device is used for driving the sliding seat (6) to move on the first anchor seat (5), the sliding seat (6) is located between the adjusting device and the supporting plate (4), one end of the first supporting rod is hinged to the sliding seat (6), the other end of the first supporting rod is hinged to the lower end of the supporting plate (4), a stopping block (7) is detachably arranged on the sliding seat (6), one end of the second supporting rod is hinged to the middle of the supporting plate (4), the other end of the second supporting rod is abutted to the stopping block (7), and a wedge (8) is arranged between the stopping block (7) and the second supporting rod in an embedding mode.

2. The deep foundation pit slope protecting and supporting structure according to claim 1, wherein the adjusting device comprises a nut seat (9), a screw rod (10) and an adjusting disc (11), the nut seat (9) is arranged at one end of the first anchor seat (5) far away from the supporting plate (4), the screw rod (10) is arranged on the nut seat (9) in a penetrating mode, the screw rod (10) is in threaded connection with the nut seat (9), one end of the screw rod (10) is in rotational connection with the sliding seat (6), the adjusting disc (11) is fixedly arranged at one end of the screw rod (10) far away from the sliding seat (6), and a plurality of adjusting rods (12) are arranged on the outer wall of the adjusting disc (11) in a surrounding mode.

3. A deep foundation pit slope protection surface supporting structure according to claim 1, wherein a plurality of slotted holes (13) are formed in the sliding base (6) at intervals, pins (14) are arranged at the bottoms of the stop blocks (7), and the pins (14) are embedded in the slotted holes (13).

4. The deep foundation pit slope protecting and supporting structure according to claim 1, wherein the first supporting rod comprises a first pin rod (15) and a first sleeve (16), one end of the first pin rod (15) is hinged with the lower end of the supporting and protecting plate (4), one end of the first sleeve (16) is hinged with the sliding seat (6), and the first pin rod (15) is connected with the first sleeve (16) through a bolt.

5. The deep foundation pit slope protection surface supporting structure according to claim 1, wherein the second supporting rod comprises a second pin rod (17) and a second sleeve (18), one end of the second pin rod (17) is hinged to the middle of the supporting plate (4), the other end of the second pin rod (17) is inserted into the second sleeve (18), and one end, far away from the second pin rod (17), of the second sleeve (18) is abutted to the stop block (7).

6. A deep foundation pit slope protection surface supporting structure according to claim 1, wherein the upper supporting component comprises a second anchor base (19), a tensioning member (20), a limit supporting rod (21) and a steel wire (22), the second anchor base (19) is arranged on the slope top (1), one end of the tensioning member (20) is connected with the second anchor base (19), the other end of the tensioning member (20) is connected with the upper end of the supporting plate (4) through the steel wire (22), and the limit supporting rod (21) is arranged between the upper end of the supporting plate (4) and the second anchor base (19).

7. The deep foundation pit slope protecting and supporting structure according to claim 6, wherein a plurality of insertion holes (23) are formed in the second anchor base (19) at intervals, one end of the tensioning member (20) is hinged with an insertion rod (24), and the insertion rod (24) is embedded in the insertion holes (23).

8. A deep foundation pit slope protection surface supporting structure according to claim 7, wherein a pin (25) is embedded in the upper end of the supporting plate (4), one end of the steel wire (22) is connected with the pin (25), and the other end of the steel wire (22) is connected with the tensioning member (20).