CN112875453B

CN112875453B - Safety protection equipment for construction worker

Info

Publication number: CN112875453B
Application number: CN202110097675.2A
Authority: CN
Inventors: 郝会娟
Original assignee: Henan Technical College of Construction
Current assignee: Henan Technical College of Construction
Priority date: 2021-01-25
Filing date: 2021-01-25
Publication date: 2022-06-03
Anticipated expiration: 2041-01-25
Also published as: CN112875453A

Abstract

The invention discloses safety protection equipment for construction workers, which belongs to the field of building construction and comprises an elevator shaft wall and a base arranged at the bottom of the elevator shaft wall, wherein a plurality of protection mechanisms are arranged in the elevator shaft wall, the protection mechanisms are mutually connected through a main traction rope, each protection mechanism comprises a construction table arranged in the elevator shaft wall, a connecting frame is arranged below the construction table, and a buffer assembly is arranged on the connecting frame; the construction table is symmetrically provided with a plurality of fixing assemblies, and each fixing assembly is connected with a general traction rope penetrating through the construction table through a connecting rope. Fall from the construction bench when the constructor, connect the rope and pull total haulage rope and descend along with the constructor, total haulage rope is driven by the constructor through the construction bench and pulls the buffering subassembly for the tensioning of buffering subassembly under original natural state, the better constructor who falls of accepting.

Description

Safety protection equipment for construction worker

Technical Field

The invention relates to a related device for building construction, in particular to a safety protection device for construction workers.

Background

At present, the building is mostly high-rise, and the elevator generally needs to be equipped with in the high-rise building, and the laying of circuit electric wire in the building of elevartor shaft and elevator well all belong to high-risk high altitude construction, will have the risk of falling a little carelessly in the course of the work.

The measure of current assurance constructor safety sets up the protection network in the elevartor shaft usually, and constructor wears safety protection equipment such as safety belt, safety helmet simultaneously in the work progress, but these safety protection equipment are all too simple, can only guarantee constructor's safety basically, when constructor falls carelessly, the protector that does not have the response accepts and slows down the trend of falling for it is too big to fall the speed, comes too late to rescue.

Disclosure of Invention

The invention aims to provide safety protection equipment for construction workers, and aims to solve the problems in the background technology.

In order to solve the defects of the prior art, the invention provides the following technical scheme:

a safety protection device for construction workers comprises an elevator shaft wall and a base arranged at the bottom of the elevator shaft wall, wherein a plurality of protection mechanisms are arranged in the elevator shaft wall, the protection mechanisms are connected with one another through a main traction rope, each protection mechanism comprises a construction table arranged in the elevator shaft wall, a connecting frame is arranged below the construction table, and a buffer assembly is arranged on the connecting frame; the construction table is symmetrically provided with a plurality of fixing assemblies, each fixing assembly is connected with a general traction rope penetrating through the construction table through a connecting rope, a first steering wheel and a second steering wheel are installed in the base in a rotating mode, and the general traction rope bypasses the first steering wheel and the second steering wheel and is connected with a buffering assembly.

As a modified scheme of the invention: the buffer component comprises a mounting ring arranged on the connecting frame, a support ring is arranged in the mounting ring through a plurality of mounting rods, a plurality of tensioning units are arranged between the mounting ring and the support ring, a sliding groove is arranged in the mounting ring, the tensioning unit comprises a tensioning rod which is slidably arranged in the sliding groove, one end of the tensioning rod is hinged with the tensioning plate, the tensioning plate is hinged on the support ring, a plurality of reset springs are arranged in the sliding chute, one end of each reset spring is connected with one end of the tensioning rod, reset spring's other end fixed mounting is in the spout, and is a plurality of fixedly connected with buffering net between the tensioning plate in the tensioning unit, it is a plurality of laminating each other after the tensioning plate rotates and constituting a confined ring, and is a plurality of the tensioning rod is installed and is interconnected with the gangbar between the other end of spout, the tip and the total haulage rope of gangbar are connected.

As a further improvement of the invention: fixed subassembly is including setting up the hole of walking on the construction table, it is provided with a plurality of dead levers to walk downthehole along the circumferencial direction equipartition, the dead lever hinge is installed in the hole of walking, construction table bottom fixed mounting has the fixed plate, install taut spring between fixed plate and the dead lever, install the mount on the construction table, the side fixed mounting of mount has the bracing piece, the tip of bracing piece rotates installs the third directive wheel, the connecting rope turns to through the third directive wheel and installs on the mount.

As a further improvement of the invention: and the surface of the fixed rod, which is contacted with the main traction rope, is provided with meshing teeth.

As a further scheme of the invention: a plurality of connecting assemblies are arranged on the main traction rope, and one connecting assembly is arranged between every two adjacent construction platforms.

As a further scheme of the invention: the connecting assembly comprises an upper connecting rod and a lower connecting rod which are fixedly connected with the main traction rope, the diameter of the bottom end of the upper connecting rod is larger than that of the upper part of the upper connecting rod, and locking sleeves which are used for fixedly connecting the upper connecting rod and the lower connecting rod are sleeved outside the upper connecting rod and the lower connecting rod.

As an optimization scheme of the invention: the connecting rod overcoat is equipped with the pressure cover that compresses tightly the connecting rod bottom, the threaded bush is installed to lower connecting rod external screw thread fit, the threaded bush is installed with lock sleeve screw-thread fit, the minimum diameter of pressing the cover is greater than the open-ended diameter in lock sleeve upper end.

Compared with the prior art, the invention has the beneficial effects that:

1. when a constructor falls from a construction platform, the connecting rope pulls the main traction rope to descend along with the constructor, the main traction rope is driven by the constructor to pull the buffer assembly through the construction platform, so that the buffer assembly is tensioned under the original natural state to better accept the falling constructor, the fixing assembly has certain friction on the main traction rope, the falling speed of the constructor is reduced, and the falling constructor can be accepted by the multi-layer buffer assembly even if the first layer of buffer assembly in contact with the constructor is broken; in addition, when the constructor normally constructs on the construction platform, the buffer assembly that is located the constructor top can accept the debris that the top dropped, further guarantees constructor's safety.

2. Buffering net tensioning for the elasticity reinforcing of buffering net, the buffer capacity grow, to constructor's protective properties reinforcing, when constructor falls on the buffering net with certain speed, because buffering net has certain elasticity, buffering net elastic deformation absorbs the impact force, slows down the speed that constructor falls, then lets constructor rebound upwards with less reaction force, makes the constructor make a round trip to jolt several times, finally falls on the buffering net.

Drawings

FIG. 1 is a front view of a safety shield apparatus for construction workers;

FIG. 2 is a plan view of a safety protection device A for construction workers;

FIG. 3 is a three-dimensional distribution diagram of clamping rods of safety protection equipment for construction workers;

FIG. 4 is an enlarged view of a safety shield apparatus for construction workers at B;

FIG. 5 is a schematic view of a construction worker using safety shield apparatus cushioning assembly in a tensioned state;

FIG. 6 is a schematic diagram of a buffering assembly of safety protection equipment for construction workers in a normal state;

in the figure: 1-elevator shaft wall, 2-construction table, 3-total traction rope, 4-first steering wheel, 5-second steering wheel, 6-buffer component, 7-connecting frame, 8-fixing frame, 9-connecting rope, 10-supporting rod, 11-third steering wheel, 12-fixing rod, 13-tensioning spring, 14-fixing plate, 15-passing hole, 16-upper connecting rod, 17-lower connecting rod, 18-thread sleeve, 19-locking sleeve, 20-pressing sleeve, 21-mounting ring, 22-chute, 23-tensioning rod, 24-reset spring, 25-mounting rod, 26-supporting ring, 27-tensioning plate, 28-buffer net and 29-linkage rod.

Detailed Description

The present invention will be described in detail with reference to the following embodiments, wherein like or similar elements are designated by like reference numerals throughout the several views, and wherein the shape, thickness or height of the various elements may be expanded or reduced in practice. The examples are given solely for the purpose of illustration and are not intended to limit the scope of the invention. Any obvious modifications or variations can be made to the present invention without departing from the spirit or scope of the present invention.

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Referring to fig. 1 and 2, the embodiment provides a safety protection device for construction workers, which includes an elevator shaft wall 1 and a base arranged at the bottom of the elevator shaft wall 1, wherein a plurality of protection mechanisms are arranged in the elevator shaft wall 1, the protection mechanisms are connected with each other through a main traction rope 3, each protection mechanism includes a construction table 2 arranged in the elevator shaft wall 1, a connecting frame 7 is arranged below the construction table 2, and a buffer assembly 6 is arranged on the connecting frame 7; the symmetry is provided with a plurality of fixed subassemblies on the construction platform 2, every fixed subassembly is connected with the total haulage rope 3 that runs through construction platform 2 through connecting rope 9, first directive wheel 4 and second directive wheel 5 are installed to the base internal rotation, total haulage rope 3 is walked around first directive wheel 4 and second directive wheel 5 and is connected with buffer unit 6. When in use, a constructor stands on the construction platform 2 and connects the connecting rope 9 with the safety belt, when the constructor moves on the platform, the connecting rope 9 is in a loose state, the fixing component fixes the general traction rope 3, when a constructor falls from the construction platform 2, the connecting rope 9 pulls the main traction rope 3, so that the main traction rope 3 is eccentrically arranged in the fixed component, the main traction rope 3 is released, the main traction rope 3 is driven by the constructor to pull the buffer component 6 through the construction platform 2 along with the descending of the constructor, so that the buffer component 6 is tensioned under the original natural state, thereby better bearing falling constructors, and the fixing component has a certain friction to the general traction rope 3, so that the falling speed of a constructor is reduced, even if the first layer of cushion assembly 6 contacting with the constructor is broken, the plurality of layers of cushion assemblies 6 can also bear the falling constructor; besides, when the constructor normally constructs on the construction table 2, the buffer assembly 6 above the constructor can receive the sundries falling from the upper part, and the safety of the constructor is further ensured. When constructor was in not the time of the construction platform 2 of co-altitude, the safety belt connection on its body corresponded the high connection rope 9 to guarantee that a plurality of buffer assembly 6 of constructor during operation are in natural state, in case fall, all buffer assembly 6 all are in the tensioning state.

Referring to fig. 1 and fig. 5-6, as an optimized embodiment of the present invention: the buffer component 6 comprises a mounting ring 21 mounted on the connecting frame 7, a support ring 26 is mounted inside the mounting ring 21 through a plurality of mounting rods 25, a plurality of tensioning units are arranged between the mounting ring 21 and the support ring 26, a sliding groove 22 is formed in the mounting ring 21, each tensioning unit comprises a tensioning rod 23 slidably mounted in the sliding groove 22, one end of each tensioning rod 23 is hinged to a tensioning plate 27, the tensioning plates 27 are hinged to the support ring 26, a plurality of return springs 24 are arranged in the sliding groove 22, one end of each return spring 24 is connected with one end of each tensioning rod 23, the other end of each return spring 24 is fixedly mounted in the sliding groove 22, a buffer net 28 is fixedly connected between the tensioning plates 27 in the plurality of tensioning units, the plurality of tensioning plates 27 are mutually attached after rotating to form a closed circular ring, and a linkage rod 29 is connected between the other ends of the plurality of tensioning rods 23 mounted in the sliding groove 22, the end of the linkage rod 29 is connected with the general traction rope 3. When the buffer component 6 is in a natural state when a constructor normally constructs, the plurality of tensioning plates 27 are mutually attached, the buffer net 28 is loose and can buffer sundries falling from the upper part of the buffer component so that the sundries roll on the buffer net, when the constructor falls, the general traction rope 3 pulls the linkage rod 29 to rotate, the rotating linkage rod 29 drives the plurality of tensioning rods 23 to rotate, one end of the tensioning plate 27 hinged with the tensioning rods 23 rotates, the plurality of tensioning plates 27 rotate and separate, so that the buffer net 28 fixedly connected with the interior of the buffer net 28 is tensioned, the elasticity of the buffer net 28 is enhanced, the buffer capacity is increased, the protection performance of the constructor is enhanced, when the constructor falls on the buffer net 28 at a certain speed, the buffer net 28 has certain elasticity, the buffer net 28 absorbs impact force through elastic deformation, the falling speed of the constructor is slowed down, and then the constructor is allowed to rebound upwards through a small reaction force, causing the operator to bump back and forth several times and eventually land on the bumper net 28. The return spring 24 in the tension unit is able to automatically return the plurality of tension rods 23 to maintain the tension unit in a natural state for the next time the tension cushioning net 28 is triggered.

Referring to fig. 1-3, as another preferred embodiment of the present invention: fixed subassembly is including setting up the hole 15 of walking on construction platform 2, it is provided with a plurality of dead levers 12 to walk along the circumferencial direction equipartition in the hole 15, dead lever 12 hinge is installed in the hole 15 of walking, 2 bottom fixed mounting of construction platform has fixed plate 14, install taut spring 13 between fixed plate 14 and the dead lever 12, install mount 8 on the construction platform 2, the side fixed mounting of mount 8 has bracing piece 10, the tip of bracing piece 10 rotates and installs third directive wheel 11, connect rope 9 through the 11 turning of third directive wheel and install on mount 8. And the surface of the fixed rod 12, which is contacted with the main traction rope 3, is provided with meshing teeth. A plurality of dead levers 12 in the fixed subassembly are with total haulage rope 3 centre gripping inside it, and when total haulage rope 3 was pulled up, a plurality of dead levers 12 separated, and when total haulage rope 3 was pulled down, a plurality of dead levers 12 tightened up prevented that total haulage rope 3 from slipping backward to taut spring 13 in the fixed subassembly can restore to the throne a plurality of dead levers 12 automatically and laminate on total haulage rope 3, keeps the clamping state.

Please refer to fig. 1 and 4, which are another preferred embodiment of the present invention: the general hauling cable 3 is provided with a plurality of connecting components, and a connecting component is arranged between two adjacent construction platforms 2. The connecting assembly comprises an upper connecting rod 16 and a lower connecting rod 17 which are fixedly connected with the general traction rope 3, the diameter of the bottom end of the upper connecting rod 16 is larger than that of the upper part of the upper connecting rod 16, and a locking sleeve 19 which is used for fixedly connecting the upper connecting rod 16 and the lower connecting rod 17 is sleeved outside the upper connecting rod 16 and the lower connecting rod 17. The outer sleeve of the upper connecting rod 16 is provided with a pressing sleeve 20 for pressing the bottom end of the upper connecting rod 16, the outer thread of the lower connecting rod 17 is provided with a thread sleeve 18 in a matched mode, the thread sleeve 18 and the locking sleeve 19 are installed in a matched mode in a threaded mode, and the minimum diameter of the pressing sleeve 20 is larger than the diameter of an opening in the upper end of the locking sleeve 19. When the constructor is on construction platform 2 of a certain height, with lower connecting rod 17 and the last connecting rod 16 separation in the nearest coupling assembling in construction platform 2 top, this moment the total haulage rope 3 of this height top and the disconnection of the total haulage rope 3 of below, total haulage rope 3 links firmly with the constructor through connecting rope 9, pulls the tensioning of buffering subassembly 6 when constructor falls this moment.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A safety protection device for construction workers comprises an elevator shaft wall (1) and a base arranged at the bottom of the elevator shaft wall (1), and is characterized in that a plurality of protection mechanisms are arranged in the elevator shaft wall (1) and are connected with each other through a main traction rope (3), each protection mechanism comprises a construction table (2) arranged in the elevator shaft wall (1), a connecting frame (7) is arranged below the construction table (2), and a buffer assembly (6) is arranged on the connecting frame (7); a plurality of fixing assemblies are symmetrically arranged on the construction table (2), each fixing assembly is connected with a main traction rope (3) penetrating through the construction table (2) through a connecting rope (9), a first steering wheel (4) and a second steering wheel (5) are rotatably mounted in the base, and the main traction rope (3) bypasses the first steering wheel (4) and the second steering wheel (5) and is connected with a buffer assembly (6);

the buffer assembly (6) comprises a mounting ring (21) mounted on a connecting frame (7), a support ring (26) is mounted inside the mounting ring (21) through a plurality of mounting rods (25), a plurality of tensioning units are arranged between the mounting ring (21) and the support ring (26), a sliding groove (22) is formed in the mounting ring (21), each tensioning unit comprises a tensioning rod (23) slidably mounted in the sliding groove (22), one end of each tensioning rod (23) is hinged to a tensioning plate (27), each tensioning plate (27) is hinged to the support ring (26), a plurality of reset springs (24) are arranged in the sliding groove (22), one end of each reset spring (24) is connected with one end of each tensioning rod (23), the other end of each reset spring (24) is fixedly mounted in the sliding groove (22), and a plurality of buffer nets (28) are fixedly connected between the tensioning plates (27) in each tensioning unit, a plurality of tensioning plate (27) are rotated the back and are laminated each other and constitute a confined ring, and are a plurality of tensioning rod (23) are installed and are connected with gangbar (29) between the other end of spout (22) each other, the tip and the total haulage rope (3) of gangbar (29) are connected.

2. The safety protection device for construction workers of claim 1, wherein the fixing assembly comprises a through hole (15) formed in a construction table (2), a plurality of fixing rods (12) are uniformly distributed in the through hole (15) along the circumferential direction, the fixing rods (12) are hinged and installed in the through hole (15), a fixing plate (14) is fixedly installed at the bottom of the construction table (2), a tensioning spring (13) is installed between the fixing plate (14) and the fixing rods (12), a fixing frame (8) is installed on the construction table (2), a supporting rod (10) is fixedly installed on the side face of the fixing frame (8), a third steering wheel (11) is installed at the end portion of the supporting rod (10) in a rotating mode, and the connecting rope (9) is installed on the fixing frame (8) in a steering mode through the third steering wheel (11).

3. A safety shield apparatus for construction workers, as claimed in claim 2, wherein the fixing rod (12) is provided with gripping teeth on its face contacting the main pulling rope (3).

4. Safety protection equipment for construction workers, according to claim 1, characterized in that a plurality of connecting assemblies are arranged on the main hauling cable (3), and one connecting assembly is arranged between two adjacent construction platforms (2).

5. The safety protection equipment for construction workers according to claim 4, wherein the connecting assembly comprises an upper connecting rod (16) and a lower connecting rod (17) fixedly connected with the general traction rope (3), the diameter of the bottom end of the upper connecting rod (16) is larger than that of the upper part of the upper connecting rod (16), and the upper connecting rod (16) and the lower connecting rod (17) are sleeved with a locking sleeve (19) for fixedly connecting the upper connecting rod (16) and the lower connecting rod (17).

6. The safety protection device for construction workers according to claim 5, characterized in that the upper connecting rod (16) is sleeved with a pressing sleeve (20) pressing the bottom end of the upper connecting rod (16), the lower connecting rod (17) is externally and cooperatively provided with a threaded sleeve (18), the threaded sleeve (18) is in threaded fit with the locking sleeve (19), and the minimum diameter of the pressing sleeve (20) is larger than the diameter of the opening at the upper end of the locking sleeve (19).