CN114753656B - Discharging platform for building construction - Google Patents

Discharging platform for building construction Download PDF

Info

Publication number
CN114753656B
CN114753656B CN202210628759.9A CN202210628759A CN114753656B CN 114753656 B CN114753656 B CN 114753656B CN 202210628759 A CN202210628759 A CN 202210628759A CN 114753656 B CN114753656 B CN 114753656B
Authority
CN
China
Prior art keywords
fixedly connected
plate
hole
response
unloading
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202210628759.9A
Other languages
Chinese (zh)
Other versions
CN114753656A (en
Inventor
陈军进
于春辉
季海勇
刘庆
李智慧
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangsha Construction Group Co ltd
Original Assignee
Guangsha Construction Group Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangsha Construction Group Co ltd filed Critical Guangsha Construction Group Co ltd
Priority to CN202210628759.9A priority Critical patent/CN114753656B/en
Publication of CN114753656A publication Critical patent/CN114753656A/en
Application granted granted Critical
Publication of CN114753656B publication Critical patent/CN114753656B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/14Conveying or assembling building elements
    • E04G21/16Tools or apparatus
    • E04G21/166Landings, receiving platforms
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/32Safety or protective measures for persons during the construction of buildings
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/32Safety or protective measures for persons during the construction of buildings
    • E04G21/3204Safety or protective measures for persons during the construction of buildings against falling down
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C9/00Measuring inclination, e.g. by clinometers, by levels
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01GWEIGHING
    • G01G13/00Weighing apparatus with automatic feed or discharge for weighing-out batches of material
    • G01G13/16Means for automatically discharging weigh receptacles under control of the weighing mechanism

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)

Abstract

The invention discloses a discharging platform for building construction, which comprises a discharging platform main body, wherein the discharging platform main body comprises two I-shaped steel girders; through the design structure, make the restraint subassembly more stable with the state that the platform main part top opening of unloading was sealed, ensure that the inside material of platform main part of unloading can not scatter out, and then avoid the material of scattering to smash the ground workman to injure, the dead problem of pounding, further increased security performance, pull the platform main part of unloading through anti-falling device, make the unique opening that remains in the platform main part of unloading up, avoid the material roll-off, simultaneously anti-falling device can increase the frictional force that the platform main part of unloading descends gradually, make the platform main part of unloading slow down gradually until it stops, avoid the platform main part of unloading to fall to the ground, and then avoid its various incident that falls to the ground to induce, the security performance is high, the practicality of this platform of unloading has been improved.

Description

Discharging platform for building construction
Technical Field
The invention relates to the field of discharging platforms, in particular to a discharging platform for building construction.
Background
In the construction process of building engineering, the unloading construction operation of building materials is vital, the construction cost, the construction time and the labor cost are related, the construction safety performance is related, in order to improve the construction efficiency, the construction difficulty is reduced, the construction safety is ensured, the operability of the unloading platform which is fully safe and reliable is ensured, the unloading platform is an operation platform and an operation frame which are usually erected on a construction site in various temporary ways and is generally used for material turnover, the unloading platform is divided into a movable unloading platform, a floor type unloading platform and a plurality of overhanging type unloading platforms, the overhanging type unloading platform is the most used unloading platform in the construction process, and the unloading platform mainly comprises a girder of a building steel, a side guard plate, a front guard plate, a steel wire pull lug, a bearing plate and the like.
The existing overhanging type unloading platform has two working modes, one working mode is that when the material unloading platform is used, firstly, materials are carried to the upper part of the unloading platform through a tower crane, then, the materials are vertically lowered, so that the materials enter the unloading platform and fall on a bearing plate, after the materials are stably placed, workers enter the unloading platform and begin to unload, but in the process of air movement of the materials, as the parts between the materials and the tower crane are only provided with one steel wire rope, the materials are easy to shake under the action of external force, the materials are difficult to align with the unloading platform quickly, the hovering time is long, the blanking is slow, time and labor are wasted, and the other working mode is that when the material unloading platform is used, firstly, the workers enter the unloading platform to carry out stacking, then, the lifting piece of the tower crane is moved to lift the materials stacked together to the ground, the workers enter the unloading platform, the unloading platform is not absolutely safe, the unloading platform falls down due to the reasons of nonstandard installation, overload and the like, the life safety of the workers is seriously endangered, and therefore, the unloading platform for building construction needs to be designed.
Disclosure of Invention
1. Technical problem to be solved
The invention provides a method for solving the problems of serious life safety and construction danger caused by the reasons that the unloading platform is not standard and overloaded due to installation, and the like, the problem of construction safety is endangered when the unloading platform falls down due to the fact that the construction is difficult.
2. Technical proposal
In order to solve the problems, the invention adopts the following technical scheme.
The utility model provides a platform of unloading for construction, includes the platform main part of unloading, the platform main part of unloading includes the I shaped steel girder, the quantity of I shaped steel girder is two, equal fixedly connected with side guard board on two sides that two I shaped steel girders kept away from each other, the tip fixedly connected with front guard board of side guard board, the tip fixedly connected with of front guard board and I shaped steel girder is equipped with the bearing plate between two I shaped steel girders, equal fixedly connected with is located the steel wire of its bottom and draws the ear on two sides that two side guard boards kept away from each other, fixedly connected with intelligent control on the surface of a side guard board.
Preferably, the bearing plate comprises a limiting bearing plate, the limiting bearing plate is movably inserted in a gap between two I-shaped steel girders, a bearing roller is mounted on the side face of the limiting bearing plate, the bearing roller is movably inserted in the I-shaped steel girders and is in contact connection with the bottom face of an inner cavity of the I-shaped steel girders, a bearing flat plate is fixedly connected to the top face of the limiting bearing plate, an isolating rubber hose is fixedly connected to the top face of the bearing flat plate, a weighing bearing flat plate is fixedly connected to the top face of the isolating rubber hose, a lifting plate at the end of the weighing bearing flat plate is fixedly connected to the top face of the lifting plate, an anti-rolling trapezoid groove is formed in the top face of the lifting plate, a weighing hole is formed in the inside of the limiting bearing plate, the top end of the weighing hole penetrates through the bearing flat plate, a weighing spring and a guide sliding rod are movably inserted in the inside of the weighing hole, the bottom end of the weighing spring is fixedly connected to the bottom face of the weighing hole, the top end of the weighing spring is fixedly connected to the bottom face of the weighing flat plate, the guide sliding rod is movably inserted in the inside the weighing spring, the bottom end of the guide sliding rod extends to the outside of the limiting bearing plate, the top end of the lifting plate is fixedly connected to the top face of the guide sliding rod, the rolling rod is fixedly connected to the top face of the weighing flat plate is fixedly connected to the top face of the sensing plate, and is fixedly connected to the top face of the top sensor is positioned on the top surface of the top plate and is fixedly connected to the top surface of the top sensor.
Preferably, still include restraint subassembly, restraint subassembly includes fixed joint hole, location right triangle-shaped piece, turning over hole and elasticity billet, fixed joint hole is offered on the surface of front guard plate and is located its top, location right triangle-shaped piece fixed connection is on the surface of fixing the die cavity and be located its middle part, location right triangle-shaped piece is located the below of fixed joint hole, the turning over hole is offered on the top surface of side guard plate, the activity has cup jointed the roll-over axle on the inner wall of turning over hole, the outside fixed upset arm that has cup jointed of roll-over axle, the inside at the turning over hole is pegged graft in the slip of roll-over arm, the other end fixedly connected with upset apron, upset apron and front guard plate, location right triangle-shaped piece looks adaptation, fixedly connected with constraint wire rope on the surface of upset apron, constraint wire rope's other end fixedly connected with restriction ring, the inside activity grafting of restriction ring has electromagnetic bolt, electromagnetic bolt fixed mounting is on the surface of side guard plate, the bottom fixed connection of elasticity billet is on the surface of side guard plate, the other end and the surface sliding connection of upset apron.
Preferably, still include the design structure, the design structure is including setting the die cavity, set up in the inside of upset apron and be located its tip in the die cavity, the inner wall of setting the die cavity is connected with the design piston through the design spring drive, fixedly connected with right angle trapezoidal plate on the another side of design piston, the other end of right angle trapezoidal plate extends to the outside of upset apron, right angle trapezoidal plate and front guard board, the homophase adaptation of fixed joint hole, the displacement slide hole has been seted up on the top surface of die cavity inner chamber, the top of displacement slide hole is the opening form, the inside slip grafting of displacement slide hole has the application of force slide, the bottom fixed connection of application of force slide is on the surface of design piston.
Preferably, the device further comprises an inclination response mechanism, the inclination response mechanism comprises a response bar, the top end of the response bar is fixedly connected to the bottom surface of the front guard plate, the bottom end of the response bar is fixedly connected with a response spherical shell, a response bell jar is fixedly sleeved outside the response spherical shell, a deflection hole at the bottom end of the response spherical shell is formed in the surface of the response spherical shell, a detection mechanism is arranged in the response spherical shell, a response rod is fixedly connected to the bottom of the detection mechanism, the bottom end of the response rod penetrates through the deflection hole and is fixedly connected with a counterweight pendulum ball, and the counterweight pendulum ball is located in the response bell jar.
Preferably, the detecting mechanism comprises an insulating spherical part, the insulating spherical part is fixedly connected to the inner wall of the response spherical shell and is in a horizontal state, the center of the insulating spherical part coincides with the center of the response spherical shell, a spherical hole in the middle of the insulating spherical part is formed in the insulating spherical part, an annular groove is formed in the inner wall of the spherical hole, conducting rings outside the annular groove are fixedly embedded in the insulating spherical part, a plurality of conducting elastic pieces are fixedly connected to the inner wall of the conducting ring, the conducting elastic pieces are divided into an upper row and a lower row, the conducting elastic pieces are uniformly distributed on the inner wall of the conducting ring, the end parts of the conducting elastic pieces extend to the inner part of the annular groove, an insulating ball is movably inserted in the inner part of the spherical hole, the end parts of the conducting elastic pieces are in sliding connection with the surface of the insulating ball, an angle limiting hole in the top of the insulating ball, two conducting elastic pieces are movably inserted in the inner part of the angle limiting hole, the top end parts of the angle limiting rod are fixedly connected to the top surface of the response spherical shell, the surface of the insulating ball is provided with two conducting ring grooves which are embedded in the outer side of the annular groove, the conducting ring is symmetrical about the horizontal plane of the conducting ring passing through the spherical groove on the insulating ball, the inner surface of the conducting spherical ring is fixedly embedded in the conducting spherical ring, the quantity of the conducting elastic pieces is respectively, the conducting spherical rings are fixedly embedded in the inner surface of the conducting ring is correspondingly arranged on the surface of the conducting spherical rings, and the two conducting elastic pieces are in contact with the two conducting spherical surfaces and the two conducting elastic pieces are respectively.
Preferably, still include the anti-falling device, the anti-falling device is including preventing weighing down the post, the anti-falling chamber that is located its left end has been seted up to the inside of preventing weighing down the post, the internal thread hole has been seted up on the right flank of anti-falling chamber inner chamber, the rotation axis has been cup jointed in the activity on the left flank of anti-falling chamber inner chamber, the right-hand member fixedly connected with square pole of rotation axis, the right-hand member of square pole passes the internal thread hole and the activity cup joints on the right flank of its inner chamber, the outside fixed cup joint of rotation axis has been located the inside wheel that pulls of anti-falling chamber, the outside winding of pulling the wheel has pull the steel wire, the other end of pulling the steel wire extends to the outside of preventing weighing down the post and fixedly connected with pulls the ring, pull ring fixed connection is on the tip on the side guard plate surface, the internal thread has cup jointed the external thread dish, the internal square hole has been seted up at the middle part of external thread dish, square pole movable plug-in the inside of square hole, fixedly connected with frustum shape friction piece on the right flank of external thread dish, square through hole has been seted up square through the inside, square through hole has been movably connected with the inside the taper rod, the inside compression through hole has been seted up at the inside of taper hole, the inside compression hole, the compression hole has the compression hole.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
through the platform main part of unloading, make this platform of unloading have the basic function of unloading, through the bearing plate, make people can carry out the work of unloading on the floor, provide the safety guarantee by the floor for the workman, help increasing full performance, the bearing plate has the function of weighing simultaneously, the weight of material can real-time detection, avoid the overload, help further increasing full performance, can lead to the material through the restraint subassembly, make the material can be quick with the platform main part of unloading aim at, hover time is short, help increasing blanking speed, can detect this platform of unloading in real time through the slope response mechanism, can make the platform main part of unloading take place the opening of its top when overturning through the restraint subassembly and seal, through the design structure, make the restraint subassembly more stable with the state of platform main part of unloading top opening seal, ensure that the inside material of platform main part of unloading can not scatter, and then avoid the material that scatters to smash out ground workman's injury, the dead problem of smashing, further increase the security performance, lead to the platform main part through the anti-falling device, make the sole opening that remains on the platform main part of unloading, the material up, help increasing blanking speed, with the anti-falling device gradually, the platform of unloading gradually can be sealed, the platform of unloading gradually can be avoided and the platform of unloading gradually falls down, and the platform of the platform is stopped down, and the platform of unloading is stopped gradually is avoided, and the safety is improved, and the platform of the safety is stopped.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a right side view of the discharge platform body of FIG. 1 in accordance with the present invention;
FIG. 3 is a schematic view of the internal structure of FIG. 2 according to the present invention;
FIG. 4 is an enlarged schematic view of the structure of FIG. 3A according to the present invention;
FIG. 5 is an enlarged schematic view of the structure of FIG. 3B according to the present invention;
FIG. 6 is a left side view of the positioning right triangle block of FIG. 3 in accordance with the present invention;
FIG. 7 is a schematic view of the left-hand interior structure of the flip cover of FIG. 3 in accordance with the present invention;
FIG. 8 is a schematic view of the internal structure of the tilt response mechanism of FIG. 1 according to the present invention;
FIG. 9 is a schematic diagram illustrating the internal structure of the detection mechanism of FIG. 8 according to the present invention;
fig. 10 is a right-side internal structure view of the fall arrest device of fig. 1 according to the present invention.
The reference numerals in the figures illustrate:
1. a discharge platform body; 11. an I-shaped steel girder; 12. a side guard plate; 13. a front guard board; 14. a bearing plate; 141. limiting the carrying plate; 142. a bearing roller; 143. a load-bearing plate; 144. isolating the rubber hose; 145. weighing a bearing flat plate; 146. a lifting plate; 147. rolling prevention trapezoid grooves; 148. weighing holes; 149. weighing a spring; 1410. a guide slide bar; 1411. a pressure sensor; 1412. pulling the ring; 15. pulling lugs of the steel wires; 16. an intelligent controller; 2. a restraint assembly; 20. a confinement ring; 21. a fixed clamping hole; 22. positioning the right triangle block; 23. overturning the hole; 24. a turnover shaft; 25. a flip arm; 26. turning over the cover plate; 27. restraining the steel wire rope; 28. an electromagnetic latch; 29. elastic steel bars; 3. a shaping structure; 31. a cavity is fixed; 32. a shaping spring; 33. shaping the piston; 34. right-angle trapezoidal plate; 35. a displacement slide hole; 36. a force application slide plate; 4. an inclination response mechanism; 41. a response bar; 42. responding to the spherical shell; 43. responding to the bell jar; 44. a deflection aperture; 45. a detection mechanism; 451. an insulating spherical member; 452. a sphere hole; 453. an annular groove; 454. a conductive ring; 455. a conductive spring plate; 456. an insulating ball; 457. an angle defining aperture; 458. an angle limiting lever; 459. embedding a ring groove; 4510. a conductive spherical ring; 4511. a contact brush; 46. a response rod; 47. a counterweight pendulum ball; 5. an anti-falling device; 501. an anti-falling column; 502. an anti-falling cavity; 503. an internal threaded hole; 504. a rotation shaft; 505. square bar; 506. a drag wheel; 507. dragging the steel wire; 508. a drag ring; 509. an external thread disc; 510. an inner square hole; 511. a frustum-shaped friction member; 512. square through holes; 513. a rotation stopping rod; 514. a compression spring; 515. a friction plate; 516. a frustum-shaped friction hole; 517. and a through hole.
Detailed Description
The drawings in the embodiments of the present invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only a few embodiments of the present invention; but not all embodiments. Based on the embodiments in the present invention; all other embodiments obtained by those skilled in the art without undue burden; all falling within the scope of the present invention.
Referring to fig. 1-10, a discharging platform for building construction comprises a discharging platform main body 1, wherein the discharging platform main body 1 comprises two I-shaped steel main beams 11, two I-shaped steel main beams 11 are fixedly connected with side guard plates 12 on two sides, which are far away from each other, of each I-shaped steel main beam 11, the end parts of the side guard plates 12 are fixedly connected with front guard plates 13, the front guard plates 13 are fixedly connected with the end parts of the I-shaped steel main beams 11, a bearing plate 14 is arranged between the two I-shaped steel main beams 11, steel wire pull lugs 15 positioned at the bottom ends of the two I-shaped steel main beams are fixedly connected with two sides, which are far away from each other, of each two I-shaped steel main beams 12 is fixedly connected with an intelligent controller 16, and an alarm can be installed on each side guard plate 12 and is electrically connected with the intelligent controller 16.
The bearing plate 14 comprises a limiting bearing plate 141, the limiting bearing plate 141 is movably inserted in a gap between two I-shaped steel girders 11, a bearing roller 142 is arranged on the side surface of the limiting bearing plate 141, the bearing roller 142 is movably inserted in the I-shaped steel girders 11 and is in contact connection with the bottom surface of the inner cavity of the I-shaped steel girders, a bearing flat plate 143 is fixedly connected to the top surface of the limiting bearing plate 141, the bearing flat plate 143 is positioned above the I-shaped steel girders 11, an isolating rubber hose 144 is fixedly connected to the top surface of the bearing flat plate 143, a weighing bearing flat plate 145 is fixedly connected to a lifting plate 146 positioned at the end part of the weighing bearing flat plate 145, an anti-rolling trapezoid groove 147 is formed in the top surface of the lifting plate 146, a weighing hole 148 is formed in the limiting bearing plate 141, the top end of the weighing hole 148 penetrates through the bearing flat plate 143, the inside activity grafting of weighing hole 148 has weighing spring 149 and direction slide bar 1410, weighing spring 149's bottom fixed connection is on weighing hole 148 inner chamber's bottom surface, weighing spring 149's top fixed connection is on weighing load-bearing flat board 145's bottom surface, direction slide bar 1410 activity grafting is in weighing spring 149's inside, the bottom of direction slide bar 1410 extends to the outside of spacing carrier plate 141, guide slide bar 1410's top fixed connection is on weighing load-bearing flat board 145's bottom surface, fixedly grafting has the pressure sensor 1411 who is located its middle part on spacing carrier plate 141's the top surface, pressure sensor 1411's top fixed grafting is on carrying flat board 143's top surface and with weighing load-bearing flat board 145 looks adaptation, fixedly connected with is located its middle part's traction ring 1412 on spacing carrier plate 141's the front, pressure sensor 1411 is connected with intelligent controller 16 electricity.
The restraint assembly 2 further comprises a restraint assembly 2, the restraint assembly 2 comprises a fixed clamping hole 21, a positioning right triangle block 22, a turnover hole 23 and an elastic steel bar 29, the fixed clamping hole 21 is formed in the surface of the front guard 13 and is located at the top of the front guard 13, the positioning right triangle block 22 is fixedly connected to the surface of the shaping cavity 31 and is located in the middle of the shaping cavity, the positioning right triangle block 22 is located below the fixed clamping hole 21, the turnover hole 23 is formed in the top surface of the side guard 12, a turnover shaft 24 is movably sleeved on the inner wall of the turnover hole 23, a turnover arm 25 is fixedly sleeved on the outer portion of the turnover shaft 24, the turnover arm 25 is slidably connected in the turnover hole 23, the other end of the turnover arm 25 is fixedly connected with a turnover cover plate 26, the turnover cover plate 26 is matched with the front guard 13 and the positioning right triangle block 22, a restraint steel wire rope 27 is fixedly connected to the surface of the turnover cover plate 26, a restraint ring 20 is fixedly connected to the other end of the restraint wire rope 27, an electromagnetic plug 28 is movably sleeved on the inner side of the restraint ring 20, the electromagnetic plug 28 is electrically connected with the intelligent controller 16, the electromagnetic plug 28 is fixedly mounted on the surface of the side guard 12, the bottom end of the elastic force 29 is fixedly connected to the surface of the steel bar 29 on the turnover cover plate 26, and the surface of the turnover cover plate is slidably connected with the steel bar 26.
Still include the design structure 3, the design structure 3 includes the design chamber 31, the design chamber 31 is offered in the inside of upset apron 26 and is located its tip, the inner wall in design chamber 31 is connected with design piston 33 through the transmission of design spring 32, fixedly connected with right angle trapezoidal plate 34 on the another side of design piston 33, the other end of right angle trapezoidal plate 34 extends to the outside of upset apron 26, right angle trapezoidal plate 34 and front guard plate 13, fixed joint hole 21 homophase adaptation, displacement slide hole 35 has been seted up on the top surface of design chamber 31 inner chamber, the top of displacement slide hole 35 is the opening form, the inside slip grafting of displacement slide hole 35 has application of force slide 36, the bottom fixed connection of application of force slide 36 is on the surface of design piston 33.
The tilting mechanism 4 comprises a response bar 41, the top end of the response bar 41 is fixedly connected to the bottom surface of the front guard plate 13, the bottom end of the response bar 41 is fixedly connected with a response ball shell 42, a response bell jar 43 is fixedly sleeved outside the response ball shell 42, a deflection hole 44 at the bottom end of the response ball shell 42 is formed in the surface of the response ball shell 42, a detection mechanism 45 is arranged inside the response ball shell 42, a response rod 46 is fixedly connected to the bottom of the detection mechanism 45, the bottom end of the response rod 46 penetrates through the deflection hole 44 and is fixedly connected with a counterweight pendulum ball 47, and the counterweight pendulum ball 47 is located inside the response bell jar 43.
The detection mechanism 45 comprises an insulating spherical surface part 451, the insulating spherical surface part 451 is fixedly connected on the inner wall of the response spherical shell 42 and is in a horizontal state, the center of the insulating spherical surface part 451 is coincident with the center of the response spherical shell 42, a spherical hole 452 positioned in the middle of the insulating spherical surface part 451 is formed in the insulating spherical surface part 451, an annular groove 453 is formed in the inner wall of the spherical hole 452, a conductive ring 454 positioned outside the annular groove 453 is fixedly embedded in the insulating spherical surface part 451, a plurality of conductive elastic pieces 455 are fixedly connected on the inner wall of the conductive ring 454, the plurality of conductive elastic pieces 455 are divided into an upper row and a lower row, the conductive elastic pieces 455 are uniformly distributed on the inner wall of the conductive ring 454, the end parts of the conductive elastic pieces 455 extend into the annular groove 453, an insulating ball 456 is movably inserted in the inner part of the spherical hole 452, the response rod 46 is fixedly connected on the surface of the insulating ball 456, the end parts of the conductive elastic pieces 455 are in sliding connection with the surface of the insulating ball 456, an angle limiting hole 457 positioned at the top of the insulating ball 456 is formed in the surface of the insulating ball 456, an angle limiting rod 458 is movably inserted in the angle limiting hole 457, the top end of the angle limiting rod 458 is fixedly connected to the top surface of the inner cavity of the response ball shell 42, two embedded annular grooves 459 are formed in the surface of the insulating ball 456, the two embedded annular grooves 459 are symmetrical relative to the horizontal plane passing through the center of the ball on the insulating ball 456, conductive spherical rings 4510 are fixedly embedded in the inner parts of the embedded annular grooves 459, the number of the conductive spherical rings 4510 is two, the two conductive spherical rings 4510 correspond to two rows of conductive elastic sheets 455 respectively, contact brushes 4511 positioned at the right ends of the upper surface and the lower surface of the insulating spherical member 451 are fixedly connected to the surfaces of the two conductive spherical rings 4510 respectively, the contact brushes 4511 are electrically connected with the intelligent controller 16, and the counterweight pendulum ball 47, the response rod 46, the insulating ball 456, the conductive spherical rings 4510, the angle defining holes 457 share a central axis.
The anti-falling device 5 is further included, two anti-falling devices 5 are included, the two anti-falling devices 5 are located on two sides of the discharging platform main body 1, the anti-falling device 5 comprises anti-falling columns 501, the anti-falling columns 501 are fixed on a floor slab, anti-falling cavities 502 located at the left ends of the anti-falling columns 501 are formed in the anti-falling columns, internal threaded holes 503 are formed in the right side surfaces of the inner cavities of the anti-falling cavities 502, rotating shafts 504 are movably sleeved on the left side surfaces of the inner cavities of the anti-falling cavities 502, the right ends of the rotating shafts 504 are fixedly connected with square rods 505, the right ends of the square rods 505 penetrate through the internal threaded holes 503 and are movably sleeved on the right side surfaces of the inner cavities of the rotating shafts, dragging wheels 506 are fixedly sleeved on the outer portions of the rotating shafts 504, dragging steel wires 507 are wound on the outer portions of the dragging wheels 506, the other ends of the dragging steel wires 507 extend to the outer portions of the anti-falling columns 501 and are fixedly connected with dragging rings 508, the dragging rings 508 are fixedly connected to the end portions of the surfaces of the side protection plates 12, an external thread disk 509 is sleeved on the internal thread of the internal thread hole 503, an internal square hole 510 is formed in the middle of the external thread disk 509, a square rod 505 is movably inserted into the internal square hole 510, the square rod 505 rotates through the internal square hole 510 with the external thread disk 509, a frustum-shaped friction piece 511 is fixedly connected to the right side surface of the external thread disk 509, a square through hole 512 is formed in the interior of the frustum-shaped friction piece 511, the square rod 505 is movably inserted into the square through hole 512, the square rod 505 rotates through the frustum-shaped friction piece 511 through the square through hole 512, a rotation stop rod 513 is movably inserted onto the right side surface of the anti-falling column 501, the left end of the rotation stop rod 513 extends to the interior of the internal thread hole 503 and is fixedly connected with a friction disk 515, a compression spring 514 is movably sleeved on the exterior of the rotation stop rod 513, the right end of the compression spring 514 is fixedly connected with the right side surface of the inner cavity of the internal thread hole 503, the left end of compression spring 514 is fixedly connected to the right end face of friction disc 515, a frustum-shaped friction hole 516 is formed in the left side face of friction disc 515, frustum-shaped friction piece 511 is movably inserted into frustum-shaped friction hole 516, a through hole 517 is formed in the right side face of the inner cavity of frustum-shaped friction hole 516, square rod 505 is movably inserted into through hole 517, and square rod 505 can rotate in through hole 517.
Working principle:
firstly, the tower crane lifts up and moves the material to the upper part of the discharging platform main body 1, then the material descends, then the material touches the overturning cover plate 26, then the overturning cover plate 26 applies a reverse thrust to the material, then the material slowly rotates under the action of the reverse thrust, then the material contacts with the other overturning cover plate 26, then the other overturning cover plate 26 applies a reverse thrust to the material, then the material slowly rotates reversely under the action of the reverse thrust, the above is repeated, the material gradually descends in the process of slowly rotating reciprocally, then the inclined overturning cover plate 26 gradually limits the deflection angle of the material, the deflection angle of the material gradually reduces, the guiding effect is achieved, then the material enters the discharging platform main body 1 and falls on the top surface of the weighing bearing flat plate 145, then the long rod with hooks is used for hooking the traction ring 1412 and applying traction force to the traction ring, the bearing plate 14 moves to the outside of the discharging platform main body 1 with the material and moves to the floor, then the lifting piece is separated from the material and discharges the material, the idle material is piled up on the top surface of the weighing bearing plate 145 after discharging, one end of the material is piled up in the anti-rolling trapezoid groove 147 when piling up, the lifting piece is convenient to install subsequently, the gravity born by the weighing bearing plate 145 is bigger and bigger along with piling up of the material, then the weighing bearing plate 145 applies pressure to the weighing spring 149, then the weighing spring 149 shortens, then the weighing bearing plate 145 applies pressure to the pressure sensor 1411, then the pressure sensor 1411 sends a signal to the intelligent controller 16, then the intelligent controller 16 controls the alarm to give an alarm, after receiving alarm information, the worker stops piling up the material, then the lifting piece is installed on the piled up material, then the long rod with hooks is used for pushing the bearing plate 14, then the bearing plate 14 brings the piled idle materials into the discharging platform main body 1, then the hanging part lifts the piled idle materials from the inside of the discharging platform main body 1 and transfers the idle materials to the ground to finish the discharging process, when the discharging platform main body 1 is overturned, the discharging platform main body 1 tilts, the front guard plate 13 tilts, then the front guard plate 13 tilts with the response strip 41 with the response ball shell 42 and the response bell 43, the response rod 46 is always in a vertical state under the gravity of the counterweight pendulum ball 47, the response rod 46 limits the insulation ball 456, the insulation ball 456 is not moved, then the response ball shell 42 overturns relative to the insulation ball 456 with the conductive elastic sheet 455 through the insulation spherical surface part 451 and the conductive ring 454, simultaneously, in response to the ball housing 42 being overturned relative to the insulating ball 456 and the angle limiting hole 457 with the angle limiting rod 458, then the conductive elastic sheet 455 slides on the surfaces of the insulating ball 456 and the corresponding conductive spherical ring 4510, then the two conductive spherical rings 4510 are electrically connected through the two rows of conductive elastic sheets 455 and the conductive ring 454, at the moment, the angle limiting rod 458 contacts with the inner wall of the angle limiting hole 457, the overturned angle of the ball housing 42 relative to the insulating ball 456 is limited, then the electric current is generated inside the contact brush 4511, then the intelligent controller 16 controls the electromagnetic bolt 28 to be electrified, then the electromagnetic bolt 28 is contracted and the constraint ring 20 is released, then the overturned cover plate 26 overturns and covers the top of the discharging platform main body 1 with the overturning shaft 24 as the central axis under the elastic force of the elastic steel bar 29, then the inclined surface of the right-angle trapezoidal plate 34 contacts with the corner of the front guard 13, then the corner of the front guard 13 applies pressure to the inclined surface of the right-angle trapezoidal plate 34, then right trapezoid plate 34 moves to the inside of shaping cavity 31, then the end face of right trapezoid plate 34 slides on the surface of front guard 13, then the end of right trapezoid plate 34 aligns with fixed clamping hole 21, then shaping piston 33 inserts fixed clamping hole 21 with right trapezoid plate 34 under the action of elastic force of shaping spring 32, at this time the top face of positioning right triangle block 22 contacts with the surface of flip cover plate 26, then the opening at top of discharging platform main body 1 is firmly blocked, for sealing the material inside discharging platform main body 1, avoid material scattering, then discharging platform main body 1 is toppled down, then discharging platform main body 1 pulls pull wire 507 through pull ring 508, then pull wire 507 releases from outside pull wire 506 and drives it to rotate, then pull wire 506 rotates with rotation shaft 504, then rotation shaft 504 rotates with square rod 505, then square rod 505 rotates with external thread disc 509 and conical friction piece 511, then conical friction piece 511 provides resistance for discharging platform main body 1 through the friction force between it and conical friction piece 516 inner wall, simultaneously increases friction force between external thread disc 509 and conical friction piece 511 and inner wall of conical table profile 511, and wire profile spring body 511 is compressed gradually increased, and then friction force of discharging platform main body 1 is increased gradually, and friction force is increased gradually, and then friction force is increased gradually increases gradually, and friction force is increased to the compression friction force between conical disc profile body 1 and conical body 511 is compressed to make the inner wall of conical body 1 is compressed, and compression friction piece is increased, and then the friction force is increased gradually, and the friction force is increased, and is compressed, and is compressed, is made. Then the falling speed of the discharging platform main body 1 is gradually reduced until the discharging platform main body stops.
The above; is only a preferred embodiment of the present invention; the scope of the invention is not limited in this respect; any person skilled in the art is within the technical scope of the present disclosure; equivalent substitutions or changes are made according to the technical proposal of the invention and the improved conception thereof; are intended to be encompassed within the scope of the present invention.

Claims (4)

1. The utility model provides a platform of unloading for construction, includes platform main part (1) of unloading, its characterized in that: the unloading platform comprises a discharging platform body (1), wherein the discharging platform body comprises two I-shaped steel girders (11), two I-shaped steel girders (11) are respectively fixedly connected with side guard plates (12) on two sides, which are far away from each other, of the two I-shaped steel girders (11), the end parts of the side guard plates (12) are fixedly connected with front guard plates (13), the front guard plates (13) are fixedly connected with the end parts of the I-shaped steel girders (11), bearing plates (14) are arranged between the two I-shaped steel girders (11), steel wire pull lugs (15) positioned at the bottom ends of the two I-shaped steel girders (12) are respectively fixedly connected on the two sides, which are far away from each other, of the two side guard plates (12) is fixedly connected with an intelligent controller (16) on the surface; the electromagnetic restraint assembly further comprises a restraint assembly (2), the restraint assembly (2) comprises a fixed clamping hole (21), a positioning right-angled triangle block (22), a turnover hole (23) and an elastic steel bar (29), the fixed clamping hole (21) is formed in the surface of the front guard plate (13) and is positioned at the top of the front guard plate, the positioning right-angled triangle block (22) is fixedly connected to the surface of the shaping cavity (31) and is positioned in the middle of the shaping cavity, the positioning right-angled triangle block (22) is positioned below the fixed clamping hole (21), the turnover hole (23) is formed in the top surface of the side guard plate (12), a turnover shaft (24) is movably sleeved on the inner wall of the turnover hole (23), a turnover arm (25) is fixedly sleeved outside the turnover shaft (24), the turnover arm (25) is slidably connected in the turnover hole (23), the other end of the turnover arm (25) is fixedly connected with a turnover cover plate (26), the turnover cover plate (26) is matched with the front guard plate (13) and the positioning right-angled triangle block (22), a restraint steel wire rope (27) is fixedly connected to the surface of the turnover cover plate (26), the other end of the restraint rope (27) is fixedly connected with a restraint ring (20), the restraint ring (20) is fixedly connected with the electromagnetic wire ring (28) and is fixedly connected to the inner side of the electromagnetic guard plate (28) and is fixedly connected with the electromagnetic shield (28), the bottom end of the elastic steel bar (29) is fixedly connected to the surface of the side guard plate (12), and the other end of the elastic steel bar (29) is in sliding connection with the surface of the turnover cover plate (26).
2. The unloading platform for building construction according to claim 1, wherein: the bearing plate (14) comprises a limiting bearing plate (141), the limiting bearing plate (141) is movably inserted into a gap between two I-shaped steel girders (11), a bearing roller (142) is mounted on the side surface of the limiting bearing plate (141), the bearing roller (142) is movably inserted into the I-shaped steel girders (11) and is in contact connection with the bottom surface of the inner cavity of the I-shaped steel girders, the bearing plate (143) is fixedly connected with a bearing plate (143) on the top surface of the limiting bearing plate (141), the bearing plate (143) is positioned above the I-shaped steel girders (11), an isolation rubber hose (144) is fixedly connected onto the top surface of the bearing plate (143), a weighing bearing plate (145) is fixedly connected onto the top surface of the weighing bearing plate (145), a lifting plate (146) positioned at the end of the bearing plate is fixedly connected, an anti-rolling trapezoid groove (147) is formed in the top surface of the lifting plate (146), a weighing hole (148) is formed in the interior of the limiting bearing plate (141), the top end of the weighing hole (148) penetrates through the bearing plate (143), a weighing spring (149) is movably connected onto the inner cavity (149) of the weighing slide bar (149), the bottom end of the weighing spring (149) is fixedly connected onto the bottom surface (149), the inside at weighing spring (149) is pegged graft in the activity of direction slide bar (1410), the outside of spacing year thing board (141) is extended to the bottom of direction slide bar (1410), the top fixed connection of direction slide bar (1410) is on weighing the bottom surface of bearing flat board (145), fixedly peg graft on the top surface of spacing year thing board (141) have be located pressure sensor (1411) at its middle part, the top fixed grafting of pressure sensor (1411) is on the top surface of bearing flat board (143) and with weigh the adaptation of bearing flat board (145), fixedly connected with on the front of spacing year thing board (141) is located pull ring (1412) at its middle part.
3. The unloading platform for building construction according to claim 1, wherein: still include design structure (3), design structure (3) including setting die cavity (31), set up in the inside of upset apron (26) and be located its tip in setting die cavity (31), the inner wall in setting die cavity (31) is connected with design piston (33) through design spring (32) transmission, fixedly connected with right angle trapezoidal plate (34) on the another side of design piston (33), the other end of right angle trapezoidal plate (34) extends to the outside of upset apron (26), right angle trapezoidal plate (34) and front guard plate (13), fixed joint hole (21) homophase adaptation, displacement slide hole (35) have been seted up on the top surface of setting die cavity (31) inner chamber, the top of displacement slide hole (35) is the opening form, the inside slip grafting of displacement slide hole (35) has application of force slide (36), the bottom fixed connection of application of force slide (36) is on the surface of design piston (33).
4. A discharge platform for construction according to any one of claims 1-3, wherein: the tilting mechanism is characterized by further comprising a tilting response mechanism (4), the tilting response mechanism (4) comprises a response bar (41), the top end of the response bar (41) is fixedly connected to the bottom surface of the front guard plate (13), the bottom end of the response bar (41) is fixedly connected with a response ball shell (42), a response bell jar (43) is fixedly sleeved on the outer part of the response ball shell (42), a deflection hole (44) positioned at the bottom end of the response ball shell is formed in the surface of the response ball shell (42), a detection mechanism (45) is arranged in the response ball shell (42), a response rod (46) is fixedly connected to the bottom of the detection mechanism (45), the bottom end of the response rod (46) penetrates through the deflection hole (44) and is fixedly connected with a counterweight pendulum ball (47), and the counterweight pendulum ball (47) is positioned in the interior of the response bell jar (43).
CN202210628759.9A 2022-06-06 2022-06-06 Discharging platform for building construction Active CN114753656B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210628759.9A CN114753656B (en) 2022-06-06 2022-06-06 Discharging platform for building construction

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210628759.9A CN114753656B (en) 2022-06-06 2022-06-06 Discharging platform for building construction

Publications (2)

Publication Number Publication Date
CN114753656A CN114753656A (en) 2022-07-15
CN114753656B true CN114753656B (en) 2024-02-09

Family

ID=82336811

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210628759.9A Active CN114753656B (en) 2022-06-06 2022-06-06 Discharging platform for building construction

Country Status (1)

Country Link
CN (1) CN114753656B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117645138B (en) * 2024-01-30 2024-04-05 泸州市一圣鸿包装有限公司 Intelligent raw paper feeding system and method

Citations (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2171914Y (en) * 1993-09-11 1994-07-13 李新春 Omnibearing dip switch
JPH1123211A (en) * 1997-07-02 1999-01-29 Casio Comput Co Ltd Inclination detector
CN104132638A (en) * 2014-07-28 2014-11-05 鞍钢集团矿业公司 Inclination monitoring device
CN104132646A (en) * 2014-07-28 2014-11-05 鞍钢集团矿业公司 Dip angle monitoring sensor
JP2015141060A (en) * 2014-01-28 2015-08-03 大和製衡株式会社 Hopper, and combination balance using the same
CN207348479U (en) * 2017-09-22 2018-05-11 张志军 A kind of discharging platform of construction
CN207595765U (en) * 2017-11-28 2018-07-10 安徽神剑新材料股份有限公司 A kind of TPP feed bins lid
CN109331434A (en) * 2018-11-27 2019-02-15 泉州闲克鞋业有限公司 A kind of ball fetching device of physical education
CN110374338A (en) * 2019-08-15 2019-10-25 陈勇 Discharging platform is used in a kind of construction of high-rise public building
CN209990158U (en) * 2019-04-01 2020-01-24 中国建筑第二工程局有限公司 Construction is with platform of unloading
CN211143788U (en) * 2019-08-02 2020-07-31 中国建筑第二工程局有限公司 Construction platform device of unloading
CN111502303A (en) * 2020-05-14 2020-08-07 南京古发建筑装饰工程有限公司 A assembled platform of unloading for high-rise building construction
CN212129970U (en) * 2020-02-20 2020-12-11 威海建设集团股份有限公司 Flexible platform of unloading for building
CN112554529A (en) * 2020-12-22 2021-03-26 南通四建集团有限公司 Assembly type structure observation platform based on BIM technology
CN213449208U (en) * 2020-10-13 2021-06-15 北京城建华泰土木工程有限公司 Slope roof concrete construction device
CN113776493A (en) * 2021-09-10 2021-12-10 山东省地质矿产勘查开发局第一地质大队(山东省第一地质矿产勘查院) Geological exploration settlement monitoring device and adjusting method
CN113789820A (en) * 2021-10-11 2021-12-14 赵伍飞 Pile foundation displacement auxiliary detection device for building engineering technology
CN215884892U (en) * 2021-07-20 2022-02-22 青岛双君利机械制造有限公司 Automatic cover-turning reset device for material tower
CN114293790A (en) * 2022-01-20 2022-04-08 台州市锦成工程管理服务有限公司 Discharging platform with protective structure for building construction
CN216429084U (en) * 2021-11-17 2022-05-03 湖南翰坤实业有限公司 Engineering construction is with platform of unloading with top protection

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20200173185A1 (en) * 2015-03-02 2020-06-04 Eric Snell Deck and hoist for use in construction
US20190211441A1 (en) * 2018-01-11 2019-07-11 Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd. Storage device with sealing function and heating assembly
US11035135B2 (en) * 2018-09-13 2021-06-15 The Boeing Company Folding guardrail

Patent Citations (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2171914Y (en) * 1993-09-11 1994-07-13 李新春 Omnibearing dip switch
JPH1123211A (en) * 1997-07-02 1999-01-29 Casio Comput Co Ltd Inclination detector
JP2015141060A (en) * 2014-01-28 2015-08-03 大和製衡株式会社 Hopper, and combination balance using the same
CN104132638A (en) * 2014-07-28 2014-11-05 鞍钢集团矿业公司 Inclination monitoring device
CN104132646A (en) * 2014-07-28 2014-11-05 鞍钢集团矿业公司 Dip angle monitoring sensor
CN207348479U (en) * 2017-09-22 2018-05-11 张志军 A kind of discharging platform of construction
CN207595765U (en) * 2017-11-28 2018-07-10 安徽神剑新材料股份有限公司 A kind of TPP feed bins lid
CN109331434A (en) * 2018-11-27 2019-02-15 泉州闲克鞋业有限公司 A kind of ball fetching device of physical education
CN209990158U (en) * 2019-04-01 2020-01-24 中国建筑第二工程局有限公司 Construction is with platform of unloading
CN211143788U (en) * 2019-08-02 2020-07-31 中国建筑第二工程局有限公司 Construction platform device of unloading
CN110374338A (en) * 2019-08-15 2019-10-25 陈勇 Discharging platform is used in a kind of construction of high-rise public building
CN212129970U (en) * 2020-02-20 2020-12-11 威海建设集团股份有限公司 Flexible platform of unloading for building
CN111502303A (en) * 2020-05-14 2020-08-07 南京古发建筑装饰工程有限公司 A assembled platform of unloading for high-rise building construction
CN213449208U (en) * 2020-10-13 2021-06-15 北京城建华泰土木工程有限公司 Slope roof concrete construction device
CN112554529A (en) * 2020-12-22 2021-03-26 南通四建集团有限公司 Assembly type structure observation platform based on BIM technology
CN215884892U (en) * 2021-07-20 2022-02-22 青岛双君利机械制造有限公司 Automatic cover-turning reset device for material tower
CN113776493A (en) * 2021-09-10 2021-12-10 山东省地质矿产勘查开发局第一地质大队(山东省第一地质矿产勘查院) Geological exploration settlement monitoring device and adjusting method
CN113789820A (en) * 2021-10-11 2021-12-14 赵伍飞 Pile foundation displacement auxiliary detection device for building engineering technology
CN216429084U (en) * 2021-11-17 2022-05-03 湖南翰坤实业有限公司 Engineering construction is with platform of unloading with top protection
CN114293790A (en) * 2022-01-20 2022-04-08 台州市锦成工程管理服务有限公司 Discharging platform with protective structure for building construction

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
型钢卸料平台技术创新探索;刘克伟;熊渝兴;;重庆建筑(第04期);17-19 *
弗拉丹.智能纺织品及其应用.中国纺织出版社有限公司,2021,570-572. *
徐进军.工业测量技术与数据处理.武汉大学出版社,2014,56-58. *

Also Published As

Publication number Publication date
CN114753656A (en) 2022-07-15

Similar Documents

Publication Publication Date Title
US9550475B1 (en) Securely deploying outrigger foot
CN114753656B (en) Discharging platform for building construction
CN107082335B (en) Elevator lift safety protection system
CN112707266A (en) Safe elevator that can prevent falling
CN214990122U (en) Anti-tilting alarm device for lifting platform
CN216662137U (en) Anti-collision device for safe lifting of construction elevator
CN220845386U (en) Building construction crane protector
CN218664919U (en) Safe cage for expanding and digging diversion surge shaft
CN212802464U (en) Anti-falling device for building climbing frame
CN205935854U (en) Do not have and dodge suspension type stereo garage
CN219296916U (en) No well home use elevator floor separates shelves device
WO2019204834A2 (en) Hoisting system for on-site firefighting and rescue for high-rise buildings
CN102963793A (en) Anti-falling system for architectural building hoist
CN103848303A (en) Falling protection system for building construction elevators
CN114592677B (en) Tool type scaffold anti-falling system
CN219807689U (en) Electric single-beam European crane with anti-impact top
CN220036567U (en) Portal frame cat ladder protects cage structure
CN215479140U (en) Material lifting device for steel structure high-rise building
CN219365349U (en) Anti-falling type high-altitude platform for building construction
CN218598150U (en) Pit cat ladder
KR102064711B1 (en) Driving pile machine with cylinder and guide case
CN112727039A (en) Scaffold for safe construction
CN203064944U (en) Building under construction
CN203064941U (en) Construction elevator for building under construction
CN203158971U (en) Falling-preventing system for building construction elevator

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant