CN112411558A

CN112411558A - Small-size deep basal pit safety arrangement for construction

Info

Publication number: CN112411558A
Application number: CN202011162530.8A
Authority: CN
Inventors: 不公告发明人
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-27
Filing date: 2020-10-27
Publication date: 2021-02-26

Abstract

The invention discloses a small-sized deep foundation pit safety protection device for building construction, which comprises a fixed chassis, wherein a cavity structure is arranged in the fixed chassis, a plurality of motors are arranged in the cavity structure and are arranged along the circle center of the center point of the fixed chassis in a circumferential manner, the output ends of the motors are connected with output shafts, the output shafts penetrate through the fixed chassis and extend to the upper part of the fixed chassis, gears are sleeved at the tops of the output shafts, racks meshed with the gears are arranged between any adjacent gears, a fixed chuck is arranged at the center of the fixed chassis and at the corresponding end part of the plurality of racks, a plurality of bayonets matched with the corresponding racks are arranged at the side edge of the fixed chuck, a cylinder is arranged at one end of each rack, which is far away from the fixed chuck, and the support stability between the inner wall and the bottom of a foundation pit can be improved, the safety in the construction operation process is improved.

Description

Small-size deep basal pit safety arrangement for construction

Technical Field

The invention relates to the technical field of building construction, in particular to a small-sized deep foundation pit safety protection device for building construction.

Background

The building construction refers to production activities in the engineering construction implementation stage, is the construction process of various buildings, and also can be a process of changing various lines on a design drawing into a real object at a specified place. At present, the deep foundation pit excavated in the existing construction operation process is easy to cause the phenomenon of foundation pit collapse during earth excavation due to geological conditions, surrounding environment and underground pipelines, so that potential safety hazards are increased, accidents are easy to occur, and the sinking of surrounding buildings is influenced.

However, the existing devices for supporting and protecting the deep foundation pit all adopt a support type structure to directly fix the inner wall of the deep foundation pit, and the existing supporting and protecting device is simple in structure, not strong enough in supporting stability, and cannot increase the stability of the foundation pit between the bottom and the inner wall of the foundation pit through simultaneous supporting.

Disclosure of Invention

The invention aims at the defects and provides a small-sized deep foundation pit safety protection device for building construction to solve the problems in the background technology.

The technical scheme of the invention is realized as follows:

a small-sized deep foundation pit safety protection device for building construction comprises a fixed chassis, a cavity structure is arranged in the fixed chassis, a plurality of motors are arranged in the cavity structure and are arranged along the circle center of the center point of the fixed chassis, wherein the output ends of the motors are connected with output shafts which penetrate through the fixed chassis and extend to the upper part of the fixed chassis, the top of the output shaft is sleeved with a gear, any adjacent gear is provided with a rack meshed with the gear, the corresponding end parts of a plurality of racks and the center of the fixed chassis are provided with fixed chucks, a plurality of bayonets which are matched with the corresponding racks are arranged on the side edge of the fixed chuck, a cylinder is arranged at one end of each rack, which is far away from the fixing chuck, and a plurality of fixing piles are embedded at one side of each cylinder, which is far away from the rack;

the column body is arranged to be a cavity column, wherein the column body is arranged at the same side of the fixed pile and positioned between any adjacent fixed piles, a through hole is formed in one side of the inner wall of the column body and positioned at the uppermost part of the through hole, a first limit fixing groove and a second limit fixing groove are formed in the side edge of the upper part of the through hole, a channel is arranged at the center of the bottom in the column body, an outwards expanding inclined groove is formed in the top of the channel, a funnel-type structure is formed between the inclined groove and the channel, an opening is formed in the top in the column body, a pushing mechanism is inserted in the opening, the bottom of the pushing mechanism extends into the column body and is provided with a first push rod, a moving disc is arranged at the bottom of the first push rod, a limiting block is arranged at the bottom of the moving disc, and a limiting plate is, the limiting plate just corresponds one side bottom of spacing fixed slot one be equipped with spacing fixed slot one and two homogeneous phase complex spacing fixture blocks of spacing fixed slot, the bottom of spacing fixture block is equipped with push rod two, push rod two just corresponds through-hole one side be equipped with a plurality of all with through-hole matched with activity branch, activity branch is close to the one end hinge of push rod two is in the corresponding side of push rod two, activity branch's the other end all alternates correspondingly in the through-hole, the bottom of push rod two extends to in the passageway, just the surface lower part cover of push rod two is equipped with the elastic component, the elastic component is fixed in the inclined groove.

Through setting up the fixed chassis of circular structural formula, then it has a plurality of gear and rack to arrange at fixed chassis's top circumference, a plurality of spud pile that drives cylinder and side through the rack supports the deep basal pit inner wall fixedly, avoid the foundation ditch because geological conditions and surrounding environment and underground pipeline's reason, cause the excavation in-process peripheral building to take place to sink and the phenomenon of deformation, effectively improve the support steadiness of foundation ditch bottom, and simultaneously, carry out spacing support back to the foundation ditch inner wall simultaneously through spud pile and activity branch, but the steadiness of greatly increased foundation ditch inner wall, prevent that the foundation ditch from taking place the phenomenon of collapsing in the construction operation process, avoid causing the emergence of accident, effectively improve the security of construction.

Preferably, the number of the motors is the same as that of the gears, wherein the gears comprise eight or/and more than eight, and the motors are separately arranged and electrically connected with the corresponding gears.

Different protection devices are conveniently arranged according to the difference of the foundation pit, and the supporting effect is effectively improved.

Preferably, an internal thread structure is arranged at the top of the inside of the column body, an external thread structure matched with the internal thread structure is arranged on the lower portion of the surface of the pushing mechanism, and the movable disc is located below the internal thread structure.

The pushing and resetting of the pushing mechanism are facilitated, meanwhile, the friction between the pushing mechanism and the inner wall of the cylinder can be increased, and the stability can be increased after the friction is increased.

Preferably, the bottom of the limiting clamping block and the bottom of the limiting plate are in the same horizontal plane, and the limiting clamping block is of an inclined Z-shaped structure, so that the limiting clamping block and the limiting fixing groove are conveniently limited and fixed.

Preferably, one end of the lower part of the inner side of the through hole is provided with a convex plate, wherein the top surface of the convex plate and the inner bottom surface of the through hole are in the same horizontal plane, and the top surface of the convex plate and the bottom surface of the movable supporting rod are arranged in parallel.

The movable supporting rod can be conveniently ejected out of the through hole and supported in the soil on the inner wall of the foundation pit.

Preferably, the side of the fixed chassis is provided with a plurality of fastening plates, and the fastening plates are all fixed with the side of the fixed chassis through embedded parts, wherein the manufacturing method comprises the following steps:

s1001, embedding an embedded part in the inner side edge of a fixed chassis in advance;

s1002, installing the fastening plate on the embedded part by adopting expansion screws, and enabling the fastening plate to be attached to the outer side surface of the fixing chassis, wherein the fastening plate is located between every two adjacent fixing piles.

Preferably, the fastening plate is far away from the side edge of the fixed chassis and is provided with a supporting inserted bar, the bottom of the supporting inserted bar extends to the lower part of the fixed chassis and is provided with inverted T-shaped inserted blocks, and the bottoms of the inverted T-shaped inserted blocks are provided with claws.

Preferably, the two sides of the support inserted bar and the middle parts of the two sides of the fastening plate are perpendicular to each other, fixing supports are arranged on the two sides of the support inserted bar, the corresponding end parts of the plurality of fixing supports extend to the lower part of the fixing chassis, and a fixing disc is fixed between the bottoms of the corresponding end parts of the plurality of fixing supports.

Preferably, the diameter of the fixed disc is smaller than that of the fixed chassis, and one end of the fixed bracket, which is far away from the support inserted bar, is fixedly connected with the fixed chassis and the corresponding end of the fixed disc through a twisted steel bar.

The mounting plate that department set up at fixed chassis side, and the mounting plate side sets up the support inserted bar, can will support the inserted bar and insert the earth in the foundation ditch, through claw and earth grasping, increase the support effect, improve the stability of whole device.

Compared with the prior art, the invention has the advantages and positive effects that:

1. the safety protection device disclosed by the invention effectively supports the inner wall of the small-sized deep foundation pit in a circular structural mode, is different from a simple supporting device with a traditional support structure, is beneficial to increasing the supporting area, can effectively fasten the bottom in the deep foundation pit through the arranged fixing chassis, and prevents the sinking and deformation of buildings around the foundation pit when the earthwork is excavated, thereby increasing the construction safety.

2. A plurality of cylinder that sets up on fixed chassis adopts the circumference mode to arrange around fixed chassis middle part, and when gear drive cylinder toward the extension, a plurality of spud pile and the deep basal pit inner wall of side supported, simultaneously, stretch out movable branch to the outside of through-hole under pushing mechanism's promotion and insert foundation ditch inner wall department, played fine support stability, effectively improved deep basal pit's security performance.

3. The supporting inserted rods are arranged at the side edges of the fixed base plate, so that the firmness and stability of the fixed base plate fixed at the bottom in the deep foundation pit can be effectively improved, and the collapse probability of the mounting device is effectively reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic view of an upper end structure of a stationary chassis according to an embodiment of the present invention;

FIG. 2 is a lower perspective view of a stationary base plate according to an embodiment of the present invention;

FIG. 3 is a schematic view of the internal structure of a main body according to an embodiment of the present invention;

FIG. 4 is a schematic side view of an embodiment of the present invention.

In the figure:

1. fixing the chassis; 2. a motor; 3. an output shaft; 4. a gear; 5. a rack; 6. fixing the chuck; 7. a cylinder; 8. fixing the pile; 9. a through hole; 10. a first limiting fixing groove; 11. a second limit fixing groove; 12. a channel; 13. an inclined groove; 14. a pushing mechanism; 15. a first push rod; 16. moving the disc; 17. a limiting block; 18. a limiting plate; 19. a limiting clamping block; 20. a second push rod; 21. a movable strut; 22. an elastic member; 23. an internal thread structure; 24. a convex plate; 25. a fastening plate; 26. supporting the inserted rod; 27. an inverted T-shaped insert block; 28. a claw; 29. fixing a bracket; 30. and fixing the disc.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

The invention is further described with reference to the following figures and specific examples.

According to an embodiment of the present invention, there is provided a small-sized deep foundation pit safety protecting device for building construction, as shown in fig. 1 to 4, wherein,

FIG. 1 is a perspective view of the upper part of a small deep foundation pit safety protection device for building construction according to an embodiment of the present invention, as can be seen from FIG. 1, a fixing base plate 1 of a circular structure is provided, the fixing base plate 1 is provided with a fixing chuck 6 and a plurality of gears 4, a rack 5, a column 7, fixing piles 8 and through holes 9, the fixing chuck 6 is fixed at the center of the top of the fixing base plate 1, the plurality of gears 4 are uniformly arranged on the fixing base plate 1 in a circumferential manner at the outer side of the fixing chuck 6, a rack 5 engaged with the gears 4 is provided between adjacent gears 4, the outer end of the rack 5 is fixed with the column 7, the plurality of fixing piles 8 are provided at the outer side of the column 7, hollow through holes 9 are provided at the side of the column 7 between any adjacent fixing piles 8, so that the through holes 9 communicate the inside of the column 7 with the outside, and the other end of the rack 5 can be clamped in a clamping opening arranged at the side edge of the fixed chuck 6.

Wherein, as shown in fig. 1, make a fixed chassis 1 in advance, and the size of fixed chassis 1 can carry out the pre-estimated setting according to the cross section diameter of bottom in the deep basal pit, fix fixed chassis 1 in deep basal pit bottom department, drive motor 2 through the control key that installs the operation of drivable motor 2 on the controller that externally sets up and move, after motor 2 drove output shaft 3 and rotates, output shaft 3 then drove gear 4 and rotate, wherein, embodiment one:

set up eight size of a dimension and be unified gear 4, and be gear one, gear two, gear three, gear four, gear five, gear six, gear seven and gear eight, and it is rotatory to be the corresponding gear 4 of independent control that sets up alone with eight gear electric connection's motor 2, after gear one rotates, then the gear drives rack 5 that both sides engaged with and forms reverse side and removes, thereby let rack 5 form the external movement, remove in, the external movement, the motion activity orbit of removal etc. in, but then the joint carries out the joint in the bayonet socket of fixed chuck 6 side when rack 5 moves inwards and fixes, but rack 5 of outside removal then drives the cylinder 7 of side and outwards expands, let a plurality of spud pile 8 of cylinder 7 side all withstand the deep basal pit inner wall and support fixedly to the inner wall.

In the second embodiment, nine or more gears 4 with uniform size may be provided, and as shown in the above principle, the number of the specific gears 4 is set according to the size of the fixed chassis 1, and the size of the fixed chassis 1 may be estimated in advance according to the size of the deep foundation pit.

In addition, as shown in fig. 2-3, the column body 7 is a hollow column, and the pushing mechanism 14, the first pushing rod 15, the movable disc 16, the limiting block 17, the limiting plate 18, the limiting block 19, the second pushing rod 20, the elastic member 22, the inclined groove 13, the channel 12, and a plurality of limiting blocks 19, the movable struts 21, the through holes 9 and the protruding plates are arranged inside the column body 7, when the rack 5 drives the whole column body 7 and the fixing piles 8 on the side of the column body 7 are against the inner wall of the deep foundation pit, the pushing mechanism 14 is manually pushed to press the first pushing rod 15 downwards, the first pushing rod 15 presses the movable disc 16 downwards, the movable disc 16 presses the limiting plate 18, the limiting blocks 19 on the bottom of the side of the limiting plate 18 slide out of the first limiting fixing grooves 10, after the movable struts 21 on the side of the second pushing rod 20 are clamped in the second limiting fixing grooves 11, the movable struts 21 penetrate through the through holes 9 and are inserted into the soil, wherein, because the tip of movable branch rod 21 all is that the mode swing joint that adopts the hinge is in the side department of two 20 push rods, when two 20 push rods down moved, pressing movable branch rod 21 and extending toward the through-hole 9 outside, simultaneously, the lower part of two 20 push rods then inserts in the passageway 12, the elastic component 22 of lower part then can play the effect that resets, conveniently upwards removes two 20 push rods and lets spacing fixture block 19 pop out spacing fixed slot two 11, the adjusting device's of being convenient for support position in the foundation ditch.

In addition, as shown in fig. 2, a plurality of fastening plates 25 are provided at the side of the fixing chassis 1, the side of each fastening plate 25 is fixedly provided with a support insert rod 26, both sides of the support insert rod 26 are fixedly provided with fixing brackets 29, while the inner end parts of the fixed brackets 29 extend towards the center of the bottom of the fixed chassis 1, and the bottom between the corresponding end parts of a plurality of fixed brackets 29 is provided with a fixed disc 30, so that the engagement between the fixing bracket 29 and the fixing base plate 1 is performed by the fixing disc 30, and, in addition, the bottom of the support inserted bar 26 is provided with an inverted T-shaped inserted block 27, the bottom of the inverted T-shaped inserted block 27 is provided with a claw 28, so that after the fixing chassis 1 is fixed at the bottom in the deep foundation pit, the supporting inserted bar 26 is inserted into the foundation pit, and can be drilled into the bottom of the deep foundation pit through the claws 28, so that the stability and firmness of the fixed chassis 1 are increased.

The present invention can be easily implemented by those skilled in the art from the above detailed description. It should be understood, however, that the intention is not to limit the invention to the particular embodiments described. On the basis of the disclosed embodiments, a person skilled in the art can combine different technical features at will, thereby implementing different technical solutions.

Claims

1. The small-sized deep foundation pit safety protection device for building construction is characterized by comprising a fixed chassis (1), wherein a cavity structure is arranged in the fixed chassis (1), a plurality of motors (2) are arranged in the cavity structure, the motors (2) are arranged along the circle center of the central point of the fixed chassis (1), the output ends of the motors (2) are connected with output shafts (3), the output shafts (3) penetrate through the fixed chassis (1) and extend to the upper part of the fixed chassis (1), gears (4) are sleeved on the tops of the output shafts (3), racks (5) meshed with the gears (4) are arranged between any adjacent gears (4), fixing chucks (6) are arranged at the centers of the fixed chassis (1) and corresponding end parts of the racks (5), a plurality of bayonets which are matched with the corresponding racks (5) are arranged on the side edges of the fixed chuck (6), cylinders (7) are arranged at the ends, far away from the fixed chuck (6), of the racks (5), and a plurality of fixing piles (8) are embedded in the sides, far away from the racks (5), of the cylinders (7);

the column body (7) is arranged to be a cavity column, wherein the column body (7) is positioned at the same side of the fixed pile (8) and positioned between any adjacent fixed piles (8) to form a through hole (9), one side of the inner wall of the column body (7) and positioned at the uppermost part of the through hole (9) is provided with a first limit fixing groove (10) and a second limit fixing groove (11) positioned below the first limit fixing groove (10), a channel (12) is arranged at the center of the inner bottom of the column body (7), the top of the channel (12) is provided with an outward-expanding inclined groove (13), a funnel-type structure is formed between the inclined groove (13) and the channel (12), an opening is arranged at the inner top of the column body (7), a pushing mechanism (14) is inserted in the opening, the bottom of the pushing mechanism (14) extends into the column body (7) and is provided with a first push rod (15), the bottom of the first push rod (15) is provided with a movable disc (16), the bottom of the movable disc (16) is provided with a limiting block (17), the limiting block (17) is arranged on one side of the first limiting fixing groove (10) and is far away from the limiting fixing groove (18), a limiting clamping block (19) matched with the first limiting fixing groove (10) and the second limiting fixing groove (11) is arranged at the bottom of the limiting plate (18) and corresponds to one side of the first limiting fixing groove (10), a second push rod (20) is arranged at the bottom of the limiting clamping block (19), a plurality of movable supporting rods (21) matched with the through holes (9) are arranged on one side of the second push rod (20) and corresponds to one side of the through holes (9), one ends of the movable supporting rods (21) close to the second push rod (20) are hinged to corresponding side edges of the second push rod (20), and the other ends of the movable supporting rods (21) are inserted into the corresponding, the bottom of the second push rod (20) extends into the channel (12), an elastic piece (22) is sleeved on the lower surface of the second push rod (20), and the elastic piece (22) is fixed in the inclined groove (13).

2. The small-sized deep foundation pit safety protection device for building construction according to claim 1, wherein the number of the motors (2) is the same as the number of the gears (4), wherein the gears (4) comprise eight or more gears, and the motors (2) are arranged separately and are electrically connected with the corresponding gears (4).

3. The small deep foundation pit safety protection device for building construction according to claim 1, wherein an internal thread structure (23) is arranged at the inner top of the column body (7), an external thread structure matched with the internal thread structure (23) is arranged at the lower part of the surface of the pushing mechanism (14), and the movable disc (16) is positioned below the internal thread structure (23).

4. The small-sized deep foundation pit safety protection device for building construction according to claim 1, wherein the bottom of the limiting fixture block (19) and the bottom of the limiting plate (18) are in the same horizontal plane, and the limiting fixture block (19) is arranged in an inclined Z-shaped structure.

5. The small-sized deep foundation pit safety protection device for building construction according to claim 1, wherein a protruding plate (24) is arranged at one end of the lower part of the inner side of the through hole (9), wherein the top surface of the protruding plate (24) and the inner bottom surface of the through hole (9) are in the same horizontal plane, and the top surface of the protruding plate (24) and the bottom surface of the movable support rod (21) are arranged in parallel.

6. The small-sized deep foundation pit safety protection device for building construction according to claim 1, wherein a plurality of fastening plates (25) are arranged on the side edge of the fixed chassis (1), and the fastening plates (25) are fixed with the side edge of the fixed chassis (1) through embedded parts, wherein the manufacturing method comprises the following steps:

s1001, embedding an embedded part in the inner side edge of a fixed chassis (1) in advance;

s1002, installing the fastening plate (25) on the embedded part by adopting expansion screws, and enabling the fastening plate (25) to be attached to the outer side surface of the fixed chassis (1), wherein the fastening plate (25) is located between the adjacent fixing piles (8).

7. The small-sized deep foundation pit safety protection device for building construction according to claim 6, wherein the fastening plate (25) and the side far away from the fixed chassis (1) are provided with support inserted bars (26), the bottom of each support inserted bar (26) extends to the lower part of the fixed chassis (1) and is provided with an inverted T-shaped inserted block (27), and the bottom of each inverted T-shaped inserted block (27) is provided with a claw (28).

8. The small-sized deep foundation pit safety protection device for building construction according to claim 7, wherein fixing brackets (29) are arranged on two sides of the supporting inserted bar (26) and in the middle of two sides perpendicular to the fastening plate (25), corresponding end parts of the fixing brackets (29) extend to the lower part of the fixing chassis (1), and a fixing disc (30) is fixed between the bottoms of the corresponding end parts of the fixing brackets (29).

9. The small-sized deep foundation pit safety protection device for building construction according to claim 8, wherein the diameter of the fixing disc (30) is smaller than that of the fixing chassis (1), and one end of the fixing bracket (29) far away from the supporting inserted rod (26) is fixedly connected with the fixing chassis (1) and the corresponding end of the fixing disc (30) through a thread steel bar.