CN114150932B - Foundation pit edge protection device - Google Patents
Foundation pit edge protection device Download PDFInfo
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- CN114150932B CN114150932B CN202111467580.1A CN202111467580A CN114150932B CN 114150932 B CN114150932 B CN 114150932B CN 202111467580 A CN202111467580 A CN 202111467580A CN 114150932 B CN114150932 B CN 114150932B
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- driving
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H17/00—Fencing, e.g. fences, enclosures, corrals
- E04H17/14—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts
- E04H17/16—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts using prefabricated panel-like elements, e.g. wired frames
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H17/00—Fencing, e.g. fences, enclosures, corrals
- E04H17/14—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts
- E04H17/20—Posts therefor
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H17/00—Fencing, e.g. fences, enclosures, corrals
- E04H17/14—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts
- E04H17/20—Posts therefor
- E04H17/22—Anchoring means therefor, e.g. specially-shaped parts entering the ground; Struts or the like
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- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
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- General Life Sciences & Earth Sciences (AREA)
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- General Engineering & Computer Science (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The application discloses a foundation pit limb protection device, which relates to the field of building construction protection equipment and comprises a plurality of stand columns, a plurality of connecting nets and a plurality of supporting assemblies, wherein the stand columns are arranged at intervals, driving cavities are formed in the stand columns, limiting holes are formed in the side walls of the bottoms of the stand columns, and the limiting holes are communicated with driving grooves; the connecting net is arranged between the adjacent stand columns, one end of the connecting net is connected with the stand columns, and the other end of the connecting net is connected with the adjacent stand columns; the supporting component sets up in the bottom of stand, and the supporting component includes expansion piece, drive block, drive strip and driver part, and the expansion piece sets up in spacing hole department, and expansion piece and stand rotate to be connected, and the drive block sets up the drive intracavity, drive block and stand sliding connection, the lateral wall and the expansion piece lateral wall butt of drive block, drive strip one end and drive block are connected, and the other end and the driver part of drive strip are connected, and the driver part can drive the motion of drive strip. This application can improve the convenience of operating personnel installation rail guard.
Description
Technical Field
The application relates to the field of building construction protective equipment, in particular to a foundation pit edge protection device.
Background
The foundation pit excavation work is usually carried out in the building construction process, temporary protection needs to be set to protect personnel from falling into the foundation pit excavation process, a steel pipe is generally adopted to be erected through fasteners, and an isolation area is formed by a steel pipe frame body formed by overlapping, so that surrounding personnel are protected.
The Chinese patent with application publication number CN105888271A discloses a fence type limb and stair guardrail, which comprises a guardrail frame and a plurality of threaded steel bars longitudinally arranged in the guardrail frame, wherein a plurality of compression springs are transversely arranged between every two adjacent threaded steel bars in parallel, a rectangular warning board is arranged in the middle of the guardrail frame, and warning lamps are arranged on the surface of the warning board; two sides of the protective guard frame are welded with upright posts through supporting blocks, two groups of connecting pieces are arranged on the outer sides of the upright posts, each connecting piece consists of a middle connecting block and circular connecting ends arranged on two sides of the connecting block, and a plurality of mounting holes are formed in the connecting ends; the bottom end of the upright post is provided with a detachable support; and a rain baffle is arranged at the top end of the protective guard frame.
In view of the above related technologies, the inventor thinks that when the protective guard disclosed in the related technologies is installed, foundation bolts need to be embedded in the ground, then the foundation bolts penetrate through the support, nuts are arranged at ends of the foundation bolts extending out of the support, the support and the ground are connected into a whole, the connection of the protective guard frame is completed, and the installation process of the protective guard is complicated.
Disclosure of Invention
In order to improve the convenience of installation rail guard, this application provides a foundation ditch and faces limit protector.
The application provides a foundation ditch faces limit protector adopts following technical scheme:
a foundation pit edge-facing protection device comprises a plurality of stand columns, a plurality of connecting nets and a plurality of supporting assemblies, wherein the stand columns are arranged at intervals, driving cavities are formed in the stand columns, limiting holes are formed in the side walls of the bottoms of the stand columns, and the limiting holes are communicated with driving grooves; the connecting net is arranged between adjacent stand columns, one end of the connecting net is connected with the stand columns, and the other end of the connecting net is connected with the adjacent stand columns; the supporting component sets up the bottom at the stand, the supporting component includes expansion piece, drive block, drive strip and driver part, the expansion piece sets up in spacing hole department, the expansion piece rotates with the stand to be connected, the drive block sets up the drive intracavity, drive block and stand sliding connection, the lateral wall and the expansion piece lateral wall butt of drive block, drive strip one end and drive block are connected, the other end and the driver part of drive strip are connected, the driver part can drive the motion of drive strip.
By adopting the technical scheme, an operator firstly inserts the stand column into the ground directly, the bottom of the stand column extends into the ground, the operator stirs the driving part to move, the driving part drives the driving strip to move, the driving strip drives the driving block to move towards the driving part, the length of the driving strip is shortened, the driving block slides along the inner wall of the driving cavity, the side wall of the driving block is gradually abutted against the side wall of the expansion block, the expansion block rotates along the limiting hole, the expansion block extends out of the stand column, the extended expansion block increases the volume of the bottom of the stand column, the stand column and the ground are stably supported, the driving strip keeps the length under the driving of the driving part, the operator joints and connects one end of the connecting net with the stand column, and joints the other end of the connecting net with the stand column at the adjacent position, so that the convenience for installing the guard rail is improved; when needs shift the rail guard, operating personnel drives the extension of drive strip through drive assembly, the drive block slides towards the one side of keeping away from the expansion piece, drive block and expansion piece separation, the expansion piece receives the gravity of self to stretch into spacing hole, after the expansion piece got into spacing hole, the size of stand bottom diminishes, the stand is relieved with the fixed state on ground, operating personnel upwards stimulates the stand, stand and ground separation make things convenient for operating personnel to dismantle the stand, improve the convenience that operating personnel shifted the stand.
Optionally, a driving groove is formed in a side wall of the top of the upright, the driving groove is communicated with the driving cavity, the driving part comprises an active block, a resisting block and a resisting spring, the active block is arranged at the driving groove, the active block extends out of the driving groove, the active block is rotatably connected with the upright, and the active block is fixedly connected with one end, far away from the driving block, of the driving strip; the abutting block is positioned in the driving cavity and is in sliding connection with the upright post, the bottom wall of the abutting block is abutted to the top wall of the driving block, and a locking structure is arranged between the abutting block and the driving block; the abutting spring is arranged at one end, far away from the driving block, of the abutting block, one end of the abutting spring is fixedly connected with the stand column, and the other end of the abutting spring is fixedly connected with the abutting block.
By adopting the technical scheme, an operator holds the driving block to rotate, the locking structure pushes the abutting block to slide towards one side far away from the driving block, the locking structure between the abutting block and the driving block is separated, the compression length of the abutting spring is shortened, the elastic potential energy of the abutting spring is increased, the elastic potential energy is continuously rotated along with the continuous rotation of the driving block, the locking structure between the driving block and the abutting block is attached again, the compressed abutting spring pushes the abutting block to move towards one side of the driving block, the abutting block is attached to the driving block, the driving block continuously rotates, the locking structure between the abutting block and the driving block is intermittently attached, the driving block rotates to wind the driving strip around the driving strip, the length of the driving strip is reduced, the driving strip moves the driving block, after the driving block pushes the expansion block out of the limiting hole, the operator stops rotating the driving block, the driving block is kept static under the combined action of the abutting block and the abutting spring, the length of the driving strip is convenient to fix, the possibility that the expansion block returns to the limiting hole is reduced, and the reliability of the expansion block is improved.
Optionally, the locking structure includes a plurality of first tooth tips and a plurality of second tooth tips, the first tooth tips are disposed on a side of the driving block facing the abutting block, the plurality of first tooth tips are disposed around an end face of the driving block, the plurality of first tooth tips are all fixedly connected with the driving block, and a cross section of each of the plurality of first tooth tips is triangular or trapezoidal; the second tooth point is arranged on one side, facing the driving block, of the abutting block, the second tooth points are arranged on the end face of the abutting block in a surrounding mode, the second tooth points are fixedly connected with the abutting block, the cross sections of the second tooth points are triangular or trapezoidal, the first tooth points and the second tooth points are arranged in a staggered mode, and the side wall of the first tooth point is attached to the side wall of the second tooth point.
By adopting the technical scheme, an operator manually rotates the driving block, the driving block drives the first tooth point to rotate, the inclined side wall of the first tooth point pushes the second tooth point to slide towards one side far away from the first tooth point, the side wall of the first tooth point is separated from the side wall of the second tooth point, the gap between the first tooth point and the second tooth point is increased, the length of the resisting spring is shortened, the elastic potential energy of the resisting spring is increased, along with the rotation of the driving block, the first tooth point rotates to the gap of the second tooth point at the adjacent position, the resisting spring in a compressed state pushes the second tooth point to move towards the first tooth point, the second tooth point and the first tooth point are meshed in a staggered mode, after the operator stops rotating the driving block, the second tooth point is attached to the first tooth point under the action of the resisting spring, the first tooth point is fixed, the driving block is driven to be fixed, the length of the driving strip wound on the driving block is conveniently maintained, the reliability of the driving strip fixing driving block is improved, and the stand column is conveniently supported and stabilized.
Optionally, the driving part further includes a driving rod, the length of the driving rod is smaller than that of the driving groove, the driving rod is arranged on one side of the driving block extending out of the driving groove, and the driving rod is fixedly connected with the driving block.
Through adopting above-mentioned technical scheme, operating personnel is through promoting the actuating lever, and the actuating lever slides along the drive groove, and the actuating lever drives the initiative piece and rotates, reduces the degree of difficulty that operating personnel stretched into the drive groove with the hand, improves operating personnel pulling initiative piece pivoted comfort level.
Optionally, the driving part further includes a water retaining ring, the water retaining ring is disposed at the driving groove, the water retaining ring is rotatably connected with the upright column, the height of the water retaining ring is greater than that of the driving groove, and the inner wall of the water retaining ring is fixedly connected with the driving strip.
Through adopting above-mentioned technical scheme, when the external world is rainy, external rainwater blocks in the outside of drive groove through the breakwater, and operating personnel places the hand in the week side of breakwater, and operating personnel holds the breakwater, later rotates the breakwater, and the breakwater drives the actuating lever and slides along the drive groove, and the actuating lever drives the initiative piece and rotates, reduces the rainwater and passes the possibility that the drive groove got into the stand inner chamber, improves the reliability that stand outrigger.
Optionally, the water retaining ring outside is provided with the friction strip, the friction strip is provided with a plurality ofly, and is a plurality of the friction strip evenly sets up in week side of water retaining ring, friction strip and water retaining ring fixed connection.
Through adopting above-mentioned technical scheme, operating personnel's palm is placed in the outside of manger plate ring, and operating personnel's palm and the outer wall laminating of manger plate ring, and the friction strip increases the frictional force between operating personnel's palm and the manger plate ring, makes things convenient for operating personnel to drive the manger plate ring and rotates, reduces the gliding possibility of taking place between operating personnel and the manger plate ring, improves operating personnel and drives manger plate ring pivoted reliability.
Optionally, the guide device further comprises at least two guide strips, wherein the two guide strips are arranged below the driving block and are arranged at intervals, the guide strips are rotatably connected with the stand column, and a gap for penetrating through the driving strip is formed between the two guide strips.
Through adopting above-mentioned technical scheme, the drive strip passes the clearance between the gib block, and when the drive strip took place to move under drive unit's drive, the gib block was in opposite directions or the looks back to back rotation, and the drive strip is stabilized at the middle part in drive chamber under the effect of gib block, reduces drive strip and the drive intracavity wall and takes place frictional possibility to improve the time that the drive strip drove the motion of drive block, reduce the possibility that the drive strip took place wearing and tearing.
Optionally, the device further comprises a plurality of bottom plates, wherein the bottom plates are arranged at the bottoms of the upright posts and fixedly connected with the upright posts.
Through adopting above-mentioned technical scheme, bottom plate through the bottom at the stand is set up, when operating personnel installs the stand, operating personnel stretches into ground with the bottom of stand earlier, operating personnel stands at the bottom plate top, drive the bottom that the stand was stretched out to the expansion piece through drive assembly, the volume of stand and ground contact increases, stand and ground are accomplished fixedly, when external rainy, the bottom plate reduces the possibility that the rainwater immerses the ground department that is close to with the stand, reduce the ground and be soaked the possibility that leads to ground supporting effect to worsen, improve stand and the stable fixed reliability in ground.
In summary, the present application includes at least one of the following beneficial technical effects:
1. an operator presses the stand column, the bottom end of the stand column is inserted into the ground, the operator drives the driving strip to rotate through the driving part, the driving strip drives the driving block to slide, the driving block slides along the inner wall of the driving cavity, the side wall of the driving block is abutted to the side wall of the expansion block, the driving block continues to slide, the expansion block rotates out of the limiting hole, the expansion block extends out of the stand column, the contact volume of the bottom of the stand column and the ground is increased, the stand column is stably fixed on the ground, the possibility that the stand column is separated from the ground is reduced, the expansion block is accommodated in the limiting hole when the stand column is installed, the convenience for the operator to insert the stand column is improved, and further the convenience for installing the protective guard is improved;
2. the first tooth point is arranged on one side, facing the abutting block, of the driving block, the second tooth point is arranged on one side, facing the driving block, of the abutting block, when an operator holds the driving block to rotate, the driving block drives the first tooth point to rotate, the inclined side wall of the first tooth point pushes the second tooth point to be gradually separated from the first tooth point, the compression length of the abutting spring is reduced, the elastic potential energy of the abutting spring is increased, the driving block continues to rotate, the first tooth point reaches a gap between the second tooth points at adjacent positions, the elastic potential energy of the abutting spring pushes the second tooth point to be attached to the first tooth point, the first tooth point is fixed, the possibility that the driving block wound with the driving strip slides is reduced, and the reliability of stable support of the stand column is improved;
3. set up the breakwater ring through the outside at the drive groove, when external rainy, the breakwater ring with external rainwater separation in the outside of stand, reduce the rainwater and pass the possibility that the drive groove got into the stand inner chamber, also can make things convenient for operating personnel to grip the breakwater ring simultaneously and drive the initiative piece and rotate, improve stand stable supporting's reliability.
Drawings
Fig. 1 is a structural schematic diagram of an assembled state of a foundation pit edge protection device according to an embodiment of the present application.
Fig. 2 is a schematic structural diagram of a foundation pit edge protection device for displaying a single column according to an embodiment of the present application.
Fig. 3 is a perspective sectional view of a foundation pit edge protection device for showing a single column according to an embodiment of the application.
Fig. 4 is an enlarged view of a portion a in fig. 3.
Fig. 5 is an enlarged view of a portion B in fig. 4.
Reference numerals: 1. a column; 11. a drive chamber; 12. a limiting hole; 13. a drive slot; 14. a through hole; 2. connecting a net; 3. a support assembly; 31. an expansion block; 32. a drive block; 33. a drive bar; 34. a drive member; 341. an active block; 342. a propping block; 343. the spring is tightly propped; 344. a locking structure; 3441. a first tooth tip; 3442. a second tooth tip; 345. a drive rod; 346. a water retaining ring; 347. rubbing the strips; 35. a guide strip; 4. a base plate; 5. mounting blocks; 51. and (7) installing holes.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
The embodiment of the application discloses foundation ditch faces limit protector. Referring to fig. 1 and 2, the foundation pit edge protection device includes a plurality of columns 1, a plurality of connection nets 2 and a plurality of support assemblies 3, the columns 1 are all cylindrical, the columns 1 are arranged at intervals along the edge of the foundation pit, the bottoms of the columns 1 are vertically inserted into the ground, the bottoms of the columns 1 can be arranged in an inverted pyramid shape or an inverted cone shape, in this embodiment, the bottoms of the columns 1 are arranged in an inverted cone shape, a driving cavity 11 is arranged in each column 1, the horizontal section of the driving cavity 11 is a cuboid, the driving cavity 11 is arranged along the length direction of the column 1, a through hole 14 is arranged in the middle of the driving cavity 11, the radius of the through hole 14 is smaller than that of the driving cavity 11, a limiting hole 12 is arranged at the side wall at the bottom of the column 1, the cross section of the limiting hole 12 is rectangular, the limiting hole 12 penetrates through the side wall of the column 1, the limiting hole 12 is communicated with the driving cavity 11, one or two limiting holes 12 can be arranged, or more than two limiting holes can be arranged, in this embodiment, two limiting holes 12 are arranged at intervals around the side wall at the bottom of the column 1; the side wall of the upright post 1 is fixedly welded with a mounting block 5, the mounting block 5 is provided with a mounting hole 51, and the mounting hole 51 is vertically arranged; connecting net 2 sets up between adjacent stand 1, the vertical setting of connecting net 2, and connecting net 2 one end stretches into mounting hole 51, and connecting net 2 is fixed with the 5 locks of installation piece, and the connecting net 2 other end is fixed with the 5 locks of installation piece on the adjacent stand 1, and connecting net 2 encircles the shaping with stand 1 in proper order.
Referring to fig. 2 and 3, a supporting assembly 3 is arranged at each upright 1, the supporting assembly 3 is arranged at the bottom of the upright 1, and the supporting assembly 3 comprises an expansion block 31, a driving block 32, a driving strip 33 and a driving part 34; the expansion blocks 31 are cuboid, the expansion blocks 31 are arranged at the position of the limiting hole 12, in the embodiment, two expansion blocks 31 are arranged, the two expansion blocks 31 are rotatably connected with the upright post 1, the gap between the inner walls of the two expansion blocks 31 is smaller than the distance between the inner walls of the driving cavity 11, and the rotation shafts of the expansion blocks 31 and the upright post 1 are horizontally arranged and are positioned at the higher end of the expansion blocks 31; the driving block 32 is also in a cuboid shape, the driving block 32 is arranged in the driving cavity 11 below, the side wall of the driving block 32 is abutted with the side wall of the expansion block 31, the driving block 32 is in sliding connection with the upright post 1, and the driving block 32 is positioned below the expansion block 31; the driving strip 33 is made of a flexible material, the driving strip 33 can be made of a nylon rope, the driving strip 33 can also be made of a hemp rope, in the embodiment, the driving strip 33 is made of the nylon rope, the bottom end of the driving strip 33 is fixedly adhered to the driving block 32, the other end of the driving strip 33 penetrates through the through hole 14 to reach the driving cavity 11 on the upper side, the other end of the driving strip 33 is connected with the driving part 34, at least two guide strips 35 are arranged at positions, close to the through hole 14, of the driving strip 33 in the driving cavity 11 on the lower side, in the embodiment, two guide strips 35 are arranged, the two guide strips 35 are cylindrical, the two guide strips 35 are arranged above the driving cavity 11 on the lower side, the guide strips 35 are rotatably connected with the upright post 1, the two guide strips 35 are both horizontal and arranged at intervals, and the driving strip 33 penetrates through a gap between the two guide strips 35; a drive element 34 is arranged on the upper side of the drive chamber 11, which drive element 34 is able to move the drive rod 33.
An operator vertically inserts an upright post 1 into the ground, an expansion strip is accommodated in a limiting hole 12, the bottom of the upright post 1 is circular, the upright post 1 gradually extends into the ground below, when the limiting hole 12 reaches the ground below, the operator stops pressing the upright post 1, then the operator drives a driving strip 33 to move through a driving part 34, the length of the driving strip 33 in a driving cavity 11 on the lower side is shortened, a guide strip 35 limits the driving strip 33 in the middle of the driving cavity 11, the driving strip 33 drives a driving block 32 to slide, the driving block 32 approaches towards the expansion block 31 along the driving cavity 11, the driving block 32 slides to be attached to the inner wall of the expansion block 31, the expansion block 31 gradually extends into the side wall of the bottom of the upright post 1 under the pushing of the driving block 32, after the expansion block 31 extends out of the side wall of the bottom of the upright post 1, the contact volume between the bottom of the upright post 1 and the ground is increased, the driving part 34 stops rotating, the length of the driving strip 33 in the lower driving cavity 11 is kept constant, the driving block 32 is kept in a state of being attached to the expansion block 31, the upright post 1 is fixed, the upright post 1 and the foundation pit 2; when an operator dismantles the protection device, the operator firstly dismantles the connecting net 2, the connecting net 2 is separated from the upright post 1, the operator uses the driving part 34, the driving part 34 releases the driving strip 33, the pulling force borne on the driving strip 33 is reduced, the driving block 32 is gradually separated from the expansion block 31 by the self gravity, the driving block 32 drives the driving strip 33 to enter the driving cavity 11 below, the guide strip 35 reduces the possibility of friction between the driving strip 33 and the inner wall of the driving cavity 11, meanwhile, the expansion block 31 loses the pushing force of the driving block 32, the expansion block 31 enters the limiting hole 12 under the action of the self gravity, the expansion block 31 is stored in the limiting hole 12, the fixing state of the support and the ground is released, the operator pulls the upright post 1, the upright post 1 is separated from the ground, the position of the connecting net 2 is conveniently changed, the convenience for the operator to install or dismantle the protection device is improved, and the reliability for the upright post 1 to support is improved.
Referring to fig. 3 and 4, in order to facilitate driving the driving bar 33 to move, a driving groove 13 is formed in a side wall of the top of the upright 1, the driving groove 13 is arranged along the periphery of the upright 1, the driving groove 13 penetrates through the side wall of the upright 1, the driving groove 13 is communicated with the driving cavity 11 on the upper side, the driving part 34 is arranged at the driving groove 13, the driving part 34 comprises a driving block 341, a resisting block 342 and a resisting spring 343, the driving block 341 is cylindrical, the driving block 341 is rotatably connected with the upright 1, one ends of the driving block 341 and the driving bar 33, which are far away from the driving block 32, are bound and fixed, the rotating shafts of the driving block 341 and the upright 1 are coaxially arranged with the upright 1, and the driving block 341 is arranged at the driving groove 13; a driving rod 345 is arranged on one side, facing the driving groove 13, of the driving block 341, the driving rod 345 is horizontally arranged, the driving rod 345 extends out of the driving groove 13, the length of the driving rod 345 is smaller than that of the driving groove 13, and one end, extending into the driving groove 13, of the driving rod 345 is welded and fixed with the driving block 341; the abutting block 342 is positioned in the driving cavity 11 on the upper side, the abutting block 342 is in sliding connection with the upright post 1, the abutting block 342 slides towards one side far away from the driving block 341, the abutting block 342 is positioned above the driving block 341, the bottom wall of the abutting block 342 is abutted with the top wall of the driving block 341, and a locking structure 344 is arranged between the abutting block 342 and the driving block 341; the abutting spring 343 is a cylindrical spring, the abutting spring 343 is arranged at one end of the abutting block 342 far away from the driving block 341, one end of the abutting spring 343 is welded and fixed with the top wall of the driving cavity 11 at the upper side, and the bottom end of the abutting spring 343 is welded and fixed with the top of the abutting block 342.
An operator dials the driving rod 345 to rotate, the driving rod 345 slides along the driving groove 13, the driving rod 345 drives the driving block 341 to rotate, the locking structure 344 pushes the abutting block 342 to slide towards one side far away from the driving block 341, the locking structure 344 between the abutting block 342 and the driving block 341 is separated, the compression length of the abutting spring 343 is shortened, the elastic potential energy of the abutting spring 343 is increased, along with the continuous rotation of the driving block 341, the locking structure 344 between the driving block 341 and the abutting block is attached again, the compressed abutting spring 343 pushes the abutting block 342 to slide towards one side of the driving block 341, the abutting block 342 and the driving block 341 are attached, the driving block 341 rotates continuously, the locking structure 344 between the abutting block 342 and the driving block 341 is attached intermittently, the driving block 341 rotates to wind the driving strip 33 around the periphery of the driving strip 33, the driving strip 33 drives the driving block 32 to move, the driving block 32 pushes the expansion block 31 out of the limiting hole 12, the operator stops rotating the driving block 341, the length of the abutting block 341 is reduced by the length of the driving strip 33 in the driving block 11, and the static action of the abutting block 341 and the driving strip 343 is kept constant, so that the possibility of the expansion of the limiting block 31 is improved.
Referring to fig. 4 and 5, the locking structure 344 may be provided as a convex surface and may also be provided as an engaging end surface tooth, in this embodiment, the locking structure 344 is provided as an engaging end surface tooth, the locking structure 344 includes a plurality of first tooth tips 3441 and a plurality of second tooth tips 3442, the plurality of first tooth tips 3441 are circumferentially provided at an end surface of the driving block 341 facing the abutting block 342, the plurality of first tooth tips 3441 are spaced along a circumferential side of the driving block 341, the plurality of first tooth tips 3441 are integrally formed with the driving block 341, a cross section of each first tooth tip 3441 is triangular or trapezoidal, and in this embodiment, a cross section of each first tooth tip 3441 is triangular; the plurality of second tips 3442 are circumferentially disposed on an end surface of the tightening block 342 facing the driving block 341, the plurality of second tips 3442 are disposed at intervals along a circumferential side of the tightening block 342, the plurality of second tips 3442 are all integrally formed with the tightening block 342, a cross section of the second tips 3442 is triangular or trapezoidal, in this embodiment, a cross section of the second tips 3442 is triangular, the first tips 3441 and the second tips 3442 are alternately disposed, and a side wall of the first tip 3441 is attached to a side wall of the second tip 3442.
When an operator manually rotates the driving block 341, the first tooth tip 3441 rotates along with the driving block 341, the inclined side wall of the first tooth tip 3441 pushes the second tooth tip 3442 to slide towards the side far away from the first tooth tip 3441, then the side wall of the first tooth tip 3441 is separated from the side wall of the second tooth tip 3442, the gap between the first tooth tip 3441 and the second tooth tip 3442 increases, the second tooth tip 3442 pushes the abutting block 342 to slide towards the side far away from the driving block 341, the length of the abutting spring 343 is shortened, the elastic potential energy of the abutting spring 343 increases, the first tooth tip 3441 rotates to the gap between the adjacent second tooth tip 3442 along with the rotation of the driving block 341, the abutting spring 343 in a compressed state pushes the second tooth tip 3442 to move towards the first tooth tip 3441, the second tooth tip 3442 and the first tooth tip 3441 are in staggered engagement, after the operator stops rotating the driving block 341, the second tooth tip 42 abuts against the side wall of the first tooth tip 3441 under the action of the abutting spring 3441, the side wall of the first tooth tip 3441 is fixed, the driving block 341 is thereby the driving block 341 is stably supported, and the driving block 341 is stably supported by the driving block 341, and the driving bar 3431, and the driving bar 32 is conveniently and the driving bar is stably supported.
Referring to fig. 3 and 4, in order to reduce the possibility of rainwater entering the driving groove 13, a water retaining ring 346 is arranged on the outer side of the upright post 1, the water retaining ring 346 is in a circular tube shape, the water retaining ring 346 is sleeved on the outer side of the upright post 1, the water retaining ring 346 is rotatably connected with the upright post 1, the inner wall of the water retaining ring 346 and one end of the driving rod 345 extending out of the driving groove 13 are fixedly bonded, a plurality of friction strips 347 are further arranged on the peripheral side of the water retaining ring 346, the friction strips 347 are vertically arranged, the plurality of friction strips 347 are arranged on the peripheral side of the water retaining ring 346 at intervals, the friction strips 347 and the water retaining ring 346 are integrally formed, and the friction strips 347 are in a strip shape. The bottom of stand 1 still is provided with bottom plate 4, and bottom plate 4 is the ring form, and 4 levels of bottom plate set up, and bottom plate 4 is located the top of spacing hole 12, stand 1 and bottom plate 4 integrated into one piece.
When the fixed stand 1 of operating personnel, operating personnel stretches into the underground with stand 1 earlier, operating personnel stands at bottom plate 4 top, operating personnel rotates water retaining ring 346, friction bar 347 increases the frictional force between water retaining ring 346 and the operating personnel palm, water retaining ring 346 drives actuating lever 345 and initiative piece 341 rotation, thereby it stretches out spacing hole 12 to drive expansion piece 31, the volume of stand 1 and ground contact increases, stand 1 and ground are accomplished fixedly, when external rainy, external rainwater is in the outside of driving groove 13 by the separation of water retaining ring 346, bottom plate 4 blocks the ground department that the rainwater got into stand 1 and connects simultaneously, reduce the ground and soak and lead to the possibility that the supporting effect descends, improve the reliability that stand 1 supported.
The implementation principle of the foundation pit edge protection device in the embodiment of the application is as follows: during installation, an operator firstly stretches the upright post 1 into the ground, the limiting hole 12 enters the ground, the bottom plate 4 is in contact with the ground, the operator holds the water retaining ring 346 by hand, the operator rotates the water retaining ring 346, the water retaining ring 346 drives the driving rod 345 to slide along the driving groove 13, the driving rod 345 drives the driving block 341 to rotate, the driving block 341 drives the first tooth tip 3441 to rotate, the first tooth tip 3441 pushes the second tooth tip 3442 to move away from the first tooth tip 3441, the abutting block 342 slides towards the side away from the driving block 341, the abutting spring 343 is compressed and shortened, the driving strip 33 is gradually wound around the periphery of the driving block 341, the driving strip 33 pulls the driving block 32 in the lower driving cavity 11 to slide towards the driving block 341, the driving block 32 is attached to the side wall of the expanding block 31 at the limiting hole 12, the expanding block 31 is stressed to stretch out of the side wall of the upright post 1, the volume at the bottom of the upright post 1 is gradually increased, when the operator stops rotating the water retaining ring 346, the abutting block 342 moves towards the driving block 341 under the drive of the driving block 341, the first tooth rack is attached to the upright post 1, the upright post 1 is fixedly connected with the upright post forming device, and the upright post 341, and the upright post is connected with the upright post forming device; when needs are dismantled, operating personnel demolish connecting network 2 earlier, operating personnel antiport manger plate ring 346, the winding reduces at the drive strip 33 of initiative block 341 week side, the gravity of drive block 32 self drives in the drive chamber 11 of drive strip 33 entering downside, drive block 32 and expansion block 31 separation, expansion block 31 receives self gravity to stretch into spacing hole 12 in, the volume reduction of stand 1 bottom, operating personnel stimulates stand 1, stand 1 and ground separation, protector dismantles the completion.
The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (7)
1. The utility model provides a foundation ditch faces limit protector which characterized in that: the device comprises a plurality of stand columns (1), a plurality of connecting nets (2) and a plurality of supporting assemblies (3), wherein the stand columns (1) are arranged at intervals, driving cavities (11) are formed in the stand columns (1), limiting holes (12) are formed in the side walls of the bottoms of the stand columns (1), and the limiting holes (12) are communicated with driving grooves (13); the connecting net (2) is arranged between the adjacent upright posts (1), one end of the connecting net (2) is connected with the upright posts (1), and the other end of the connecting net (2) is connected with the adjacent upright posts (1); the supporting assembly (3) is arranged at the bottom of the stand column (1), the supporting assembly (3) comprises an expansion block (31), a driving block (32), a driving strip (33) and a driving part (34), the expansion block (31) is arranged at a limiting hole (12), the expansion block (31) is rotatably connected with the stand column (1), the driving block (32) is arranged in a driving cavity (11), the driving block (32) is slidably connected with the stand column (1), the side wall of the driving block (32) is abutted to the side wall of the expansion block (31), one end of the driving strip (33) is connected with the driving block (32), the other end of the driving strip (33) is connected with the driving part (34), and the driving part (34) can drive the driving strip (33) to move;
the side wall of the top of the upright post (1) is provided with a driving groove (13), the driving groove (13) is communicated with the driving cavity (11), the driving part (34) comprises an active block (341), a pressing block (342) and a pressing spring (343), the active block (341) is arranged at the driving groove (13), the active block (341) extends out of the driving groove (13), the active block (341) is rotatably connected with the upright post (1), and the active block (341) is fixedly connected with one end, away from the driving block (32), of the driving strip (33); the abutting block (342) is positioned in the driving cavity (11), the abutting block (342) is connected with the upright column (1) in a sliding mode, the bottom wall of the abutting block (342) abuts against the top wall of the driving block (341), and a locking structure (344) is arranged between the abutting block (342) and the driving block (341); the abutting spring (343) is arranged at one end, far away from the driving block (341), of the abutting block (342), one end of the abutting spring (343) is fixedly connected with the upright post (1), and the other end of the abutting spring (343) is fixedly connected with the abutting block (342).
2. The foundation pit edge protection device according to claim 1, wherein: the locking structure (344) comprises a plurality of first tooth tips (3441) and a plurality of second tooth tips (3442), the first tooth tips (3441) are arranged on one side, facing the abutting block (342), of the driving block (341), the first tooth tips (3441) are arranged at the end face of the driving block (341) in a surrounding mode, the first tooth tips (3441) are fixedly connected with the driving block (341), and the first tooth tips (3441) are arranged obliquely; the second tooth tips (3442) are arranged on one side, facing the driving block (341), of the abutting block (342), the plurality of second tooth tips (3442) are arranged at the end face of the abutting block (342) in a surrounding mode, the plurality of second tooth tips (3442) are fixedly connected with the abutting block (342), the plurality of second tooth tips (3442) are arranged in an inclined mode, the first tooth tips (3441) and the second tooth tips (3442) are arranged in a staggered mode, and the side wall of the first tooth tip (3441) is attached to the side wall of the second tooth tip (3442).
3. The foundation pit edge protection device according to claim 1, wherein: the driving part (34) further comprises a driving rod (345), the length of the driving rod (345) is smaller than that of the driving groove (13), the driving rod (345) is arranged on one side, extending out of the driving groove (13), of the driving block (341), and the driving rod (345) is fixedly connected with the driving block (341).
4. A foundation pit edge protection device according to claim 3, characterized in that: the driving part (34) further comprises a water retaining ring (346), the water retaining ring (346) is arranged at the position of the driving groove (13), the water retaining ring (346) is connected with the upright column (1) in a rotating mode, the height of the water retaining ring (346) is larger than that of the driving groove (13), and the inner wall of the water retaining ring (346) is fixedly connected with the driving strip (33).
5. A foundation pit edge protection device according to claim 4, characterized in that: the outer side of the water retaining ring (346) is provided with a plurality of friction strips (347), the friction strips (347) are uniformly arranged on the peripheral side of the water retaining ring (346), and the friction strips (347) are fixedly connected with the water retaining ring (346).
6. The foundation pit edge-facing protection device of claim 1, characterized in that: still include two at least gib blocks (35), two gib blocks (35) set up the below of initiative piece (341), two gib blocks (35) interval sets up, gib blocks (35) and stand (1) rotate to be connected, two be provided with the clearance that is used for passing drive strip (33) between gib blocks (35).
7. The foundation pit edge-facing protection device of claim 1, characterized in that: the novel vertical column is characterized by further comprising a plurality of bottom plates (4), wherein the bottom plates (4) are arranged at the bottoms of the vertical columns (1), and the bottom plates (4) are fixedly connected with the vertical columns (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111467580.1A CN114150932B (en) | 2021-12-02 | 2021-12-02 | Foundation pit edge protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111467580.1A CN114150932B (en) | 2021-12-02 | 2021-12-02 | Foundation pit edge protection device |
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| Publication Number | Publication Date |
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| CN114150932A CN114150932A (en) | 2022-03-08 |
| CN114150932B true CN114150932B (en) | 2023-02-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111467580.1A Active CN114150932B (en) | 2021-12-02 | 2021-12-02 | Foundation pit edge protection device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115182608B (en) * | 2022-08-08 | 2023-04-25 | 中道华泰建设集团有限公司 | Foundation pit safety device for municipal road |
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| CN213015503U (en) * | 2020-08-10 | 2021-04-20 | 李荣香 | Water conservancy construction safety device |
| CN213115598U (en) * | 2020-07-10 | 2021-05-04 | 连云港开放大学 | Protector for building engineering |
| CN113073900A (en) * | 2021-04-12 | 2021-07-06 | 上海旌轩企业管理咨询中心 | Foundation pit safety fence for bridge engineering construction site |
| CN113719191A (en) * | 2021-09-03 | 2021-11-30 | 耀华建设管理有限公司 | Enclosed enclosure structure for building construction site |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2734293A1 (en) * | 1995-05-18 | 1996-11-22 | Sipam Societe Ind Des Produits | Ground anchor driven into ground by special tool e.g. for anchoring masts or posts in compact or stony ground |
| CN101068995A (en) * | 2004-07-28 | 2007-11-07 | 容尼·乔纳森·梅利克 | Safety guard bar system |
| CN209585817U (en) * | 2018-12-28 | 2019-11-05 | 辽宁建筑职业学院 | A kind of construction safety plate firm banking |
| CN212317658U (en) * | 2019-11-11 | 2021-01-08 | 晏尚文 | Safety net rail mount that construction used |
| CN213115598U (en) * | 2020-07-10 | 2021-05-04 | 连云港开放大学 | Protector for building engineering |
| CN213015503U (en) * | 2020-08-10 | 2021-04-20 | 李荣香 | Water conservancy construction safety device |
| CN113073900A (en) * | 2021-04-12 | 2021-07-06 | 上海旌轩企业管理咨询中心 | Foundation pit safety fence for bridge engineering construction site |
| CN113719191A (en) * | 2021-09-03 | 2021-11-30 | 耀华建设管理有限公司 | Enclosed enclosure structure for building construction site |
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|---|---|
| CN114150932A (en) | 2022-03-08 |
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