CN113266164B - Deep foundation pit operation safety device - Google Patents
Deep foundation pit operation safety device Download PDFInfo
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- CN113266164B CN113266164B CN202110549033.1A CN202110549033A CN113266164B CN 113266164 B CN113266164 B CN 113266164B CN 202110549033 A CN202110549033 A CN 202110549033A CN 113266164 B CN113266164 B CN 113266164B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/32—Safety or protective measures for persons during the construction of buildings
- E04G21/3261—Safety-nets; Safety mattresses; Arrangements on buildings for connecting safety-lines
- E04G21/3266—Safety nets
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B7/00—Respiratory apparatus
- A62B7/12—Respiratory apparatus with fresh-air hose
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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
- E04H17/16—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
- 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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- Engineering & Computer Science (AREA)
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- Mining & Mineral Resources (AREA)
- Health & Medical Sciences (AREA)
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- Business, Economics & Management (AREA)
- General Health & Medical Sciences (AREA)
- Mechanical Engineering (AREA)
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- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
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- General Engineering & Computer Science (AREA)
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Abstract
The invention discloses a deep foundation pit operation safety protection device, which comprises a support frame and a foundation pit, wherein a weight increasing block is arranged at the front end of the upper surface of the support frame, a rotatable support device is arranged at the rear end of the upper surface of the support frame, a control box is arranged between the weight increasing block and the support device on the upper surface of the support frame, a safety protection device is suspended in the foundation pit and comprises a protection fixing frame suspended in the foundation pit through a rope, a flexible steel mesh arranged at the bottom end of the protection fixing frame, a semicircular conical screen door arranged at the top end of the protection fixing frame and capable of being opened and closed, and a first adjusting component which is concentrically arranged on the inner wall of the protection fixing frame and capable of adjusting the opening degree of the flexible steel mesh.
Description
Technical Field
The invention relates to the technical field of deep foundation pit excavating devices, in particular to a deep foundation pit operation safety protection device.
Background
The deep foundation pit refers to a project which has a particularly complicated geological condition, surrounding environment and underground pipelines although the excavation depth is more than 5 meters (including 5 meters) or the excavation depth is not more than 5 meters. The foundation pit engineering mainly comprises foundation pit supporting system design and construction and earthwork excavation, and is a system engineering with strong comprehensiveness. It requires close cooperation between geotechnical engineering and structural engineering technicians. The foundation pit supporting system is a temporary structure and is not needed after the construction of underground engineering is completed, wherein when the soil in the foundation pit is excavated manually, the soil is taken out of the foundation pit by a hoisting device, but when the soil is hoisted out by the conventional device, most of the devices in the foundation pit have no protective measures, so that when the personnel excavate at the bottom of the foundation pit, sundries falling from the top can threaten the personal safety of the personnel greatly.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a safety protection device for deep foundation pit operation, which solves the problems in the background technology.
The technical scheme of the invention is as follows:
in order to achieve the purpose, the invention is realized by the following technical scheme: a safety protection device for operation of a deep foundation pit comprises the foundation pit and a supporting frame arranged on the ground surface of one side of the foundation pit, wherein a rotatable supporting device is arranged at the rear end of the upper surface of the supporting frame, a hoisting device is arranged at the top end of the supporting device, a detachable safety barrier device for protecting the adjacent edge of the foundation pit is arranged behind the supporting device, the safety protection device is suspended in the foundation pit in a hanging mode, and a safety ventilation component with one end extending to the bottom of the foundation pit is arranged on the rear side of a control box;
safety device includes through the rope suspend in midair the protection mount in the foundation ditch, set up the flexible steel mesh in protection mount bottom, set up at protection mount top and the semicircle cone screen door that can open and shut and set up the first adjusting part at protection mount inner wall and adjustable flexible steel mesh degree of opening with one heart.
Optionally, the first adjusting part comprises a hanging shield upper fixing ring fixedly connected to the inner wall of the protection fixing frame, a plurality of supporting guide cylinders arranged on the inner wall of the hanging shield upper fixing ring, a hanging shield lower fixing ring concentrically arranged right below the hanging shield upper fixing ring through the supporting guide cylinders, and an adjusting fixing ring arranged on the outer peripheral surface of the hanging shield upper fixing ring.
Optionally, adjust fixed ring fixed connection on the protection mount, the even articulated a plurality of regulation support cylinder of having of outer peripheral face of adjusting fixed ring, it makes the flexible steel mesh can adjust the degree of expansion along with adjusting support cylindrical rotation to adjust the lower surface of support cylinder setting at the flexible steel mesh, hang between the fixed ring of guard shield lower fixing ring and the fixed ring of hanging guard shield between sliding connection on supporting the guide cylinder and can fix a position the regulation support ring on supporting the guide cylinder, the even articulated first regulation support cylinder that has one end at regulation support cylinder middle part of the outer peripheral face of regulation support ring.
Optionally, the support device includes main tributary dagger of setting on braced frame, setting at the rotation supporting part on main tributary dagger top and the rotation support column of setting in the main tributary dagger top through rotating the supporting part, rotate the supporting part including setting up fixed ring, rotation gear and the drive transmitting gear pivoted driving motor of connection in fixed ring on the main tributary dagger, driving motor's output passes through the drive rack toothing and connects on transmitting gear.
Optionally, the safety ventilation component includes a protection tube arranged at the bottom of the rear side of the control box, a rescue material tube arranged in the protection tube, a ventilation tube, a cable and a multifunctional socket arranged on the cable.
Optionally, hang the even a plurality of fixed orificess of periphery that solid fixed ring, regulation support ring and hang solid fixed ring under the guard shield on the guard shield, support the middle part of guide cylinder and the even a plurality of regulation holes of having seted up in lower part, one side threaded connection who supports the guide cylinder has one end to run through the fixed bolt of regulation hole and regulation support ring on the fixed orifices.
Optionally, hoisting accessory includes fixed connection and rotates the rotation backup pad on support column top, set up at the second adjusting part who rotates the backup pad rear end, twine the haulage rope on second adjusting part top, set up and rotate the backup pad front end and can adjust the electric capstan of haulage rope length and suspend in midair the material bucket on turning over the board through the haulage rope.
Optionally, the second regulating part includes boom outer tube, the davit inner tube of sliding connection at boom outer tube inner wall that articulates at rotation backup pad rear end and from the front to the back setting at a plurality of connecting blocks in rotation backup pad middle part, the top of davit outer tube articulates there is one end to pass through the oblique pull rod that the detachable gim peg articulates on the connecting block, the top of davit inner tube is provided with travel switch, just the one end that is close to the material bucket of haulage rope is provided with the plectane of striking travel switch.
Optionally, the safety enclosure device comprises a plurality of vertical rods arranged around the foundation pit, a fence tee joint arranged at the top end and the bottom end of the vertical rods and a fence cross rod arranged between two adjacent vertical rods through the fence tee joint, a detachable grid baffle is arranged at the bottom between the two adjacent fence cross rods, a fixing barrel is arranged at the middle part and the bottom of each vertical rod, an inverted-U-shaped hook is fixedly connected to the left end and the right end of the grid baffle and corresponds to the fixing barrel, and the inverted-U-shaped hook is inserted into the fixing barrel.
Optionally, the middle part and the bottom of pole setting all are provided with and enclose and keep off fixed bucket, the upper surface of enclosing and keeping off fixed bucket has seted up the annular groove, the inner wall sliding connection of annular groove has a plurality of U-shaped fixture blocks, the U-shaped fixture block of falling keeps away from and encloses the first fixed section of thick bamboo of one side fixedly connected with that keeps off fixed bucket.
Advantageous effects
The invention provides a deep foundation pit operation safety protection device, which has the following beneficial effects:
1. this deep basal pit operation safety device through rotatable strutting arrangement's setting, can make the soil that personnel dug in the deep basal pit can autogiration to assigned position to can save the manpower that rotates hoisting accessory, consequently can make things convenient for personnel to use.
2. This deep basal pit operation safety device through supplementary material device's setting of falling, can make when hoisting accessory rotates, can pour out the soil of digging out automatically to can save the manpower and pour out soil.
3. This deep basal pit operation safety device through hanging in midair the safety device's in the foundation ditch setting, can make personnel when the foundation ditch bottom is excavated, can keep off the debris that fall from the foundation ditch mouth down through the flexible steel mesh that opens to the personnel that excavate the below protect.
4. This deep basal pit operation safety device through the setting of safe ventilation part, can make when the proruption situation appears, provides oxygen or supports for the personnel of excavation of basal pit bottom to can provide the essential material that maintains the life for the personnel of underground excavation.
Drawings
FIG. 1 is a schematic structural view of embodiment 1 of the present invention;
FIG. 2 is an enlarged schematic view of FIG. 1 at A;
FIG. 3 is an enlarged view of the structure of FIG. 1 at B;
FIG. 4 is a schematic view of the safety shield apparatus of the present invention in use;
FIG. 5 is a schematic view of the structure of the opening of the semi-conical screen door of the present invention;
FIG. 6 is a schematic view of a first adjustment member of the present invention;
FIG. 7 is a schematic view of an adjustable retaining ring according to the present invention;
FIG. 8 is a schematic view of the bottom of the protection tube of the present invention;
FIG. 9 is a schematic bottom view of the protective tube of the present invention;
fig. 10 is a schematic structural diagram of embodiment 2 of the present invention.
In the figure: 1. a support frame; 2. a weight increasing block; 3. a control box; 4. a main support column; 5. rotating the support column; 6. an outer boom pipe; 7. an inner tube of the suspension arm; 8. a material barrel; 9. a diagonal member; 10. a lower stabilizing frame; 11. an upper stabilizing frame; 12. turning over a plate; 13. a guiding auxiliary support column; 14. a first arc-shaped guide strip; 15. an auxiliary roller; 16. erecting a rod; 17. a rail crossbar; 18. a grid baffle; 19. a fence tee joint; 20. fixing the circular ring; 21. a drive motor; 22. rotating the support plate; 23. an electric capstan; 24. a hauling rope; 25. protecting the tube; 26. a rope; 27. a flexible steel mesh; 28. a protective fixing frame; 29. a semi-conical screen door; 30. a hanging shield lower fixing ring; 31. supporting the guide cylinder; 32. fixing rings are arranged on the hanging shields; 33. adjusting the fixed ring; 34. a hemispherical camera; 35. a first adjusting support cylinder; 36. adjusting the support ring; 37. rescue goods and materials management; 38. a ventilation tube; 39. a cable; 40. a guard ring; 41. adjusting the support cylinder; 42. a barrier is arranged on the fixed barrel; 43. an inverted U-shaped fixture block; 44. a first fixed cylinder; 45. an annular groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example 1
Referring to fig. 1 to 9, the present invention provides a technical solution: a safety protection device for operation of a deep foundation pit comprises a supporting frame 1 and the foundation pit, wherein the front end of the upper surface of the supporting frame 1 is provided with two weight increasing blocks 2 through bolts, the rear end of the upper surface of the supporting frame 1 is provided with a rotatable supporting device through bolts, soil dug by personnel in the deep foundation pit can automatically rotate to a specified position through the arrangement of the rotatable supporting device, so that manpower for rotating a lifting device can be saved, the use of the lifting device can be facilitated, the upper surface of the supporting frame 1 is provided with a control box 3 between the weight increasing blocks 2 and the supporting device through bolts, the top end of the supporting device is provided with a detachable safety enclosure device used for protecting the foundation pit from being faced by the personnel, the safety enclosure device is used for reminding the personnel and preventing the personnel from falling into the foundation pit, the safety protection device is suspended in the foundation pit through the arrangement of the safety protection device suspended in the foundation pit, when the personnel excavate at the bottom of the foundation pit, impurities falling from a flexible steel mesh 27 of the foundation pit can be stopped, so that the personnel can open the safety enclosure device, the safety protection device can provide oxygen for the personnel, and the control box to maintain the oxygen for the excavating of the personnel, and the foundation pit, so that the oxygen can be provided at the bottom of the foundation pit, and the emergency part of the foundation pit, and the emergency ventilation component can be provided for the foundation pit, and the emergency of the emergency control box;
the safety protection device comprises a protection fixing frame 28 suspended in the foundation pit through a rope 26, a flexible steel mesh 27 arranged at the bottom end of the protection fixing frame 28, a semicircular cone screen door 29 which is arranged at the top end of the protection fixing frame 28 and can be opened and closed, and a first adjusting part concentrically arranged on the inner wall of the protection fixing frame 28, wherein one end of the rope 26, which is far away from the protection fixing frame 28, is fixedly connected to the inner wall of the foundation pit through a screw, meanwhile, a right-angle motor for driving the semicircular cone screen door 29 to rotate is arranged on the outer peripheral surface of the protection fixing frame 28, and the output end of the right-angle motor is in key connection with a driving connecting column of which one side is welded on the driving semicircular cone screen door 29;
the first adjusting component comprises a hanging shield upper fixing ring 32 arranged on the inner wall of the protective fixing frame 28 through bolts, a plurality of supporting guide cylinders 31 arranged on the inner wall of the hanging shield upper fixing ring 32 through bolts, a hanging shield lower fixing ring 30 concentrically arranged under the hanging shield upper fixing ring 32 through the supporting guide cylinders 31, and an adjusting fixing ring 33 arranged on the outer peripheral surface of the hanging shield upper fixing ring 32 through bolts, wherein the adjusting fixing ring 33 is welded on the protective fixing frame 28, the outer peripheral surface of the adjusting fixing ring 33 is uniformly hinged with a plurality of adjusting supporting cylinders 41, the adjusting supporting cylinders 41 are arranged on the lower surface of the flexible steel net 27, the adjusting supporting rings 36 are slidably connected between the hanging shield lower fixing ring 30 and the hanging shield upper fixing ring 32 on the supporting guide cylinders 31 and can be positioned on the supporting guide cylinders 31, the outer peripheral surface of the adjusting supporting rings 36 is uniformly hinged with a first adjusting supporting cylinder 35, one end of which is hinged in the middle of the adjusting supporting cylinders 41, when a flexible steel net 27 is supported, the position of the adjusting supporting rings 36 needs to be adjusted upwards, the degree of the supporting steel net 27 is adjusted according to the inner diameter of the flexible steel net, and meanwhile, a camera head 34 can be arranged on the foundation pit for monitoring operation in real-time.
The supporting device comprises a main supporting column 4 arranged on a supporting frame 1 through a bolt, a rotating supporting part arranged at the top end of the main supporting column 4 and a rotating supporting column 5 arranged above the main supporting column 4 through the rotating supporting part, wherein the rotating supporting part comprises a fixed ring 20 arranged on the main supporting column 4 through the bolt, a rotating gear rotatably connected in the fixed ring 20 and a driving motor 21 driving the rotating gear to rotate, the driving motor is a 220V right-angle reducing motor commonly used in the market, the specific power is based on use, the output end of the driving motor 21 is in toothed connection with the rotating gear through a driving rack, the rotating supporting column 5 is arranged on the rotating gear through the bolt, and therefore, after the material barrel 8 rises to a certain height, the driving motor 21 can drive the rotating supporting column 5 to rotate, so that the material barrel 8 can be transferred to a specified position, the left side of the supporting frame 1 is provided with an auxiliary dumping part, the excavated soil can be automatically dumped when the hoisting device rotates through the arrangement of the auxiliary dumping device, so that the manpower can be saved for dumping the soil, the auxiliary dumping part comprises a lower stabilizing frame 10 arranged on the ground, dumping support columns welded at four corners of the lower stabilizing frame 10, an upper stabilizing frame 11 arranged right above the lower stabilizing frame through the dumping support columns, rotating motors arranged at the left and right ends of the upper stabilizing frame 11 through bolts, a turning plate 12 arranged at the output end of the rotating motor, an auxiliary guide part arranged at the rear end of the upper stabilizing frame 11 and an electromagnet adhered to the lower surface of the turning plate 12, wherein the lower surface of the turning plate 12 is provided with a control box through bolts, and a lithium battery electrically connected with the electromagnet through a lead is arranged in the control box, the control box is electrically connected with the control box 3 through a lead.
The auxiliary guide part comprises auxiliary guide support columns 13 welded at the rear end of the upper stabilizing frame 11 and first arc-shaped guide strips 14 welded at the rear sides of the auxiliary guide support columns 13, the number of the auxiliary guide support columns 13 is 2, the auxiliary guide strips are respectively welded at the two feet at the rear end of the upper stabilizing frame 11, the number of the first arc-shaped guide strips 14 is 4, each auxiliary guide support column 13 is respectively welded with two first arc-shaped guide strips 14, an auxiliary roller 15 is vertically and rotatably connected to the middle part between the two first arc-shaped guide strips 14, the safety ventilation part comprises a protection pipe 25 arranged at the bottom of the rear side of the control box 3, a rescue material pipe 37 arranged in the protection pipe 25, a ventilation pipe 38, a cable 39 and a multifunctional socket arranged on the cable 39, oxygen can be provided for a foundation pit with accidents such as collapse through the ventilation pipe 38, and life maintenance can be provided for a person through the rescue material pipe 37, the periphery of the upper fixing ring 32 of the hanging shield, the adjusting and supporting ring 36 and the lower fixing ring 30 of the hanging shield is uniformly provided with a plurality of fixing holes, the middle part and the lower part of the supporting and guiding cylinder 31 are uniformly provided with a plurality of adjusting holes, one side of the supporting and guiding cylinder 31 is in threaded connection with a fixing bolt with one end penetrating through the adjusting holes and the fixing holes on the adjusting and supporting ring 36, the hoisting device comprises a rotating supporting plate 22 arranged at the top end of the rotating supporting column 5 through a bolt, a second adjusting part arranged at the rear end of the rotating supporting plate 22, a traction rope 24 wound on the top end of the second adjusting part, an electric capstan 23 arranged at the front end of the rotating supporting plate 22 through a bolt and capable of adjusting the length of the traction rope 24, and a material barrel 8 suspended right above a foundation pit through the traction rope 24, and the middle upper part of the material barrel 8 is rotatably connected with a hanging lifting rod, the haulage rope 24 is wound on the suspension lifting rod, the second adjusting component comprises an outer suspension arm pipe 6 hinged at the rear end of the rotary supporting plate 22, an inner suspension arm pipe 7 connected to the inner wall of the outer suspension arm pipe 6 in a sliding manner, and a plurality of connecting blocks arranged in the middle of the rotary supporting plate 22 from front to back through bolts, the top end of the outer suspension arm pipe 6 is hinged with an inclined pull rod 9, one end of the inclined pull rod is hinged on the connecting blocks through a detachable fixing bolt, personnel can change the inclination angle between the outer suspension arm pipe 6 and the rotary supporting plate 22 through changing the positions of the inclined pull rods 9 on different connecting blocks, so that the personnel can use the suspension arm pipe conveniently, a first fixing hole penetrates through the left side of the inner suspension arm pipe 7, one end of the top of the outer suspension arm pipe 6 is connected with a stabilizing bolt in a sliding manner, one end of the stabilizing bolt penetrates through the first fixing hole and extends to the right side of the outer suspension arm pipe 6, and one end of the stabilizing bolt is connected with a nut through a thread, the top of the suspension arm inner tube 7 is provided with a travel switch, one end of the traction rope 24 close to the material barrel 8 is provided with a circular plate for shifting the travel switch, the circular plate can shift the travel switch after the material barrel 8 rises to a certain height, then the material barrel 8 stops rising, the safety barrier device comprises a plurality of upright posts 16 arranged around the foundation pit, a barrier tee 19 arranged at the top end and the bottom end of the upright post 16 through bolts and a barrier cross bar 17 arranged between two adjacent upright posts 16 through the barrier tee 19, the bottom between the two adjacent barrier cross bars 17 is provided with a detachable grid baffle 18, wherein the number of the barrier cross bars 17 can be changed according to the size of the foundation pit, so that the safety barrier device is suitable for the foundation pits with different sizes to use, and simultaneously the grid baffle 18 can rotate with the upright posts 16 to adjust the angle between the two adjacent grid baffle 18, therefore, the anti-falling device can be conveniently used by people, the fixing barrel is welded at the middle part and the bottom of the upright rod 16, the inverted U-shaped hooks are welded at the left end and the right end of the grid baffle plate 18 and correspond to the fixing barrel, the inverted U-shaped hooks are inserted into the fixing barrel, the bottom of the main support column 4 is provided with the auxiliary pull ring through the bolts, the anti-falling device is usually worn by people when the people enter a foundation pit, and therefore the people can fasten or tie one end of the anti-falling device on the auxiliary pull ring.
Example 2
The present embodiment is based on another implementation manner of embodiment 1, and the difference between the present embodiment and embodiment 1 is that the structure of the safety barrier component is different, only the difference is described below, and the descriptions of other identical parts are omitted.
In one embodiment, as shown in fig. 10, a surrounding and blocking fixing barrel 42 is welded at the middle and the bottom of the upright rod 16, an annular groove 45 is formed in the upper surface of the surrounding and blocking fixing barrel 42, a plurality of inverted U-shaped clamping blocks 43 are slidably connected to the inner wall of the annular groove 45, a first fixing barrel 44 is welded at one side of each inverted U-shaped clamping block 43, which is far away from the surrounding and blocking fixing barrel 42, and when the inverted U-shaped hooks are inserted into the first fixing barrels 44, a person can rotate the positions of the inverted U-shaped clamping blocks 43 to change the angles of the two adjacent grid baffles 18 conveniently.
The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.
To sum up, when this kind of deep basal pit operation safety device uses, personnel dig into the soil behind material bucket 8, material bucket 8 rises, can stop rising after the travel switch is stirred to the plectane, then rotate the position rotation that support column 5 put to supplementary pouring part, after rotation support column 5 rotates the assigned position, material bucket 8 pours out soil or pours out soil in material bucket 8 motion process through supplementary pouring part, can open the circular telegram switch in the control box through control box 3 after the plectane stirs travel switch simultaneously, thereby the electro-magnet can produce magnetic force, later adsorb material bucket 8 and rotate and empty the material bucket, then turn over board 12 after having emptyd soil and can turn back, control box outage through control box 3, later material bucket 8 rises, break away from turn over board 12, then rotate support column 5 and again and return to the original position, when material bucket 8 passes through from the safety device, can touch the travel switch who installs in the safety barrier device again, therefore half circular cone sieve can open automatically, then material bucket 8 can touch the mesh door, thereby can touch the half circular cone sieve once again when opening.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. The utility model provides a deep basal pit operation safety device, includes the foundation ditch and sets up the braced frame on foundation ditch one side earth's surface, its characterized in that: the rear end of the upper surface of the supporting frame is provided with a rotatable supporting device, the top end of the supporting device is provided with a hoisting device, a detachable safety barrier device for protecting the edge of the foundation pit is arranged behind the supporting device, a safety protection device is suspended in the foundation pit, and the rear side of the control box is provided with a safety ventilation component of which one end extends to the bottom of the foundation pit;
the safety protection device comprises a protection fixing frame which is suspended in the foundation pit through a rope, a flexible steel mesh which is arranged at the bottom end of the protection fixing frame, a semicircular cone screen door which is arranged at the top end of the protection fixing frame and can be opened and closed, and a first adjusting part which is concentrically arranged on the inner wall of the protection fixing frame and can adjust the opening degree of the flexible steel mesh;
the first adjusting part comprises a hanging shield upper fixing ring fixedly connected to the inner wall of the protective fixing frame, a plurality of supporting guide cylinders arranged on the inner wall of the hanging shield upper fixing ring, a hanging shield lower fixing ring concentrically arranged right below the hanging shield upper fixing ring through the supporting guide cylinders, and an adjusting fixing ring arranged on the outer peripheral surface of the hanging shield upper fixing ring;
the adjusting and fixing ring is fixedly connected to the protective fixing frame, the peripheral surface of the adjusting and fixing ring is uniformly hinged with a plurality of adjusting and supporting cylinders, the adjusting and supporting cylinders are arranged on the lower surface of the flexible steel mesh so that the flexible steel mesh can adjust the unfolding degree along with the rotation of the adjusting and supporting cylinders, the adjusting and supporting ring is connected to the supporting and guiding cylinder in a sliding manner between the lower fixing ring of the hanging and protecting cover and the upper fixing ring of the hanging and protecting cover and can be positioned on the supporting and guiding cylinder, and the peripheral surface of the adjusting and supporting ring is uniformly hinged with a first adjusting and supporting cylinder, one end of the first adjusting and supporting cylinder is hinged to the middle part of the adjusting and supporting cylinder;
the periphery of the upper fixing ring of the hanging shield, the periphery of the lower fixing ring of the hanging shield and the periphery of the lower fixing ring of the adjusting support ring are uniformly provided with a plurality of fixing holes, the middle part and the lower part of the support guide cylinder are uniformly provided with a plurality of adjusting holes, and one side of the support guide cylinder is in threaded connection with a fixing bolt of which one end penetrates through the adjusting holes and the fixing holes on the adjusting support ring;
the auxiliary material pouring part is arranged on the left side of the supporting frame and comprises a lower stabilizing frame, material pouring support columns, an upper stabilizing frame, a rotating motor, a turning plate, an auxiliary guide part and an electromagnet, wherein the lower stabilizing frame is arranged on the ground, the material pouring support columns are welded at the four corners of the lower stabilizing frame, the upper stabilizing frame is arranged right above the lower stabilizing frame through the material pouring support columns, the rotating motor is arranged at the left end and the right end of the upper stabilizing frame through bolts, the turning plate is arranged at the output end of the rotating motor, the auxiliary guide part is arranged at the rear end of the upper stabilizing frame, the electromagnet is adhered to the lower surface of the turning plate, a control box is arranged on the lower surface of the turning plate through bolts, a lithium battery is arranged in the control box and is electrically connected with the electromagnet through a lead, and the control box is also electrically connected with the control box through a lead;
the auxiliary guide part comprises guide auxiliary support columns welded at the rear end of the upper stabilizing frame and first arc guide strips welded at the rear side of the guide auxiliary support columns, the number of the guide auxiliary support columns is 2, the guide auxiliary support columns are welded at two feet at the rear end of the upper stabilizing frame respectively, the number of the first arc guide strips is 4, two first arc guide strips are welded on each guide auxiliary support column respectively, and an auxiliary roller is connected to the middle part between the two first arc guide strips in a vertical rotating mode.
2. The safety protection device for deep foundation pit operation according to claim 1, wherein: the supporting device comprises a main supporting column arranged on a supporting frame, a rotating supporting part arranged at the top end of the main supporting column and a rotating supporting column arranged above the main supporting column through the rotating supporting part, the rotating supporting part comprises a fixed ring arranged on the main supporting column, a rotating gear connected in the fixed ring in a rotating mode and a driving rotating gear rotating driving motor, and the output end of the driving motor is connected to the rotating gear through a driving rack.
3. The safety protection device for deep foundation pit operation according to claim 1, wherein: the safe ventilation component comprises a protection pipe arranged at the bottom of the rear side of the control box, a rescue material pipe arranged in the protection pipe, a ventilation pipe, a cable and a multifunctional socket arranged on the cable.
4. The safety protection device for deep foundation pit operation according to claim 1, wherein: the lifting device comprises a rotating support plate fixedly connected to the top end of the rotating support column, a second adjusting part arranged at the rear end of the rotating support plate, a traction rope wound on the top end of the second adjusting part, an electric winch arranged at the front end of the rotating support plate and capable of adjusting the length of the traction rope, and a material barrel hung on the turning plate through the traction rope.
5. The safety protection device for deep foundation pit operation according to claim 4, wherein: the second adjusting part comprises a boom outer pipe hinged to the rear end of the rotating support plate, a boom inner pipe connected to the inner wall of the boom outer pipe in a sliding mode and a plurality of connecting blocks arranged in the middle of the rotating support plate from front to back, wherein one end of the top end of the boom outer pipe is hinged to an inclined pull rod, the inclined pull rod is hinged to the connecting blocks through detachable fixing bolts, a travel switch is arranged at the top of the boom inner pipe, and a circular plate for shifting the travel switch is arranged at one end, close to the material barrel, of the traction rope.
6. The safety protection device for deep foundation pit operation according to claim 1, wherein: the safety enclosure device comprises a plurality of vertical rods arranged around a foundation pit, a fence tee joint arranged at the top end and the bottom end of each vertical rod and a fence cross rod arranged between two adjacent vertical rods through the fence tee joint, a detachable grid baffle is arranged at the bottom between the two adjacent fence cross rods, fixing barrels are arranged at the middle and the bottom of each vertical rod, inverted U-shaped hooks are fixedly connected with the positions, corresponding to the fixing barrels, of the left end and the right end of each grid baffle, and the inverted U-shaped hooks are inserted into the fixing barrels.
7. The safety protection device for deep foundation pit operation according to claim 6, wherein: the middle part and the bottom of pole setting all are provided with and enclose fender fixed bucket, the upper surface that encloses fender fixed bucket has seted up the annular groove, the inner wall sliding connection of annular groove has a plurality of inverted U-shaped fixture blocks, inverted U-shaped fixture block is kept away from and is enclosed the first fixed section of thick bamboo of one side fixedly connected with that keeps off the fixed bucket.
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| CN209099367U (en) * | 2018-11-13 | 2019-07-12 | 四川电力送变电建设有限公司 | Emergency protection cage |
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