CN218346777U - Construction steel shotcrete anti-falling device - Google Patents

Abstract

The utility model discloses a construction steel supports anti-falling device relates to the construction and prevents technical field that falls, including preventing weighing down the main part, rotate and connect prevent weighing down the spin friction subassembly and the fixed connection of main part one side prevent weighing down the bearing removal subassembly of main part bottom, the spin friction subassembly includes two hack levers, a friction balancing weight and changes the board, the equal fixedly connected with electric push rod in bottom both sides of changing the board, the outside cover of the flexible end of electric push rod is equipped with two flexible pipes, the equal fixedly connected with pivot in both ends of friction balancing weight, one the pivot with the centre of hack lever has same bolt through connection jointly. The utility model discloses a flexible regulation of electric putter and pneumatic cylinder is convenient for carry out nimble support to the position of pairing rotation friction subassembly, uses and different places, has increased anti-falling device's support fastness to improve anti-falling device's result of use, have the practicality.

Description

Construction steel shotcrete anti-falling device

Technical Field

The utility model relates to a technical field that falls is prevented in the construction, in particular to construction steel shotcrete anti-falling device.

Background

And (4) construction, namely, construction of the project according to a plan. Steel is commonly used in construction for structural support of buildings, where steel support refers to the use of steel pipes, H-beams, angles, etc. to enhance the stability of the engineering structure, typically inclined connecting members, most commonly herringbone and cross shapes. The steel support is widely applied to the aspects of subway and foundation pit support. Because the steel support can be recycled, the steel support has the characteristics of economy, environmental protection and the like, and in order to ensure the safety of construction environment, a falling prevention device is usually used for safety protection treatment.

In the deep basal pit work progress, need utilize the safety rope, prevent the protection of falling to the steel shotcrete, wire rope walks around the stiff end of foundation ditch lateral wall and steel shotcrete head promptly, connects through the buckle. Meanwhile, the steel enclosing purlin is required to be connected with the enclosing pile through the tie bars, and falling prevention protection is carried out on the steel enclosing purlin.

At present, because the foundation pit is deformed or the steel support is accidentally collided, the steel support easily has a falling risk, the safety of operators in the foundation pit is endangered, the stability is poor, the steel support cannot be disassembled after the device is used, the steel support can be recycled, and the material waste is easily caused.

For example, chinese patent publication No. CN214614092U discloses a reusable steel support anti-falling protection device, which includes an anti-falling protection mechanism, wherein one end of a first anti-falling protection structure in the device is inserted into a second anti-falling protection structure through an insertion block, and a plurality of sections of telescopic baffles are installed on the outer side of an upper plate, so that when the device reaches a working point, the first anti-falling protection structure can be inserted into an insertion slot of the second anti-falling protection structure through the insertion block according to a specific construction range for assembly, and the device is more firm, and when the device is not used, the device can be conveniently detached, thereby facilitating reuse and saving cost; the bottom at automatically controlled cylinder is close to border department and is connected with the friction components that rotate, is provided with a plurality of groups connecting rod between the hack lever, and the bottom of hack lever is through the pivot connection friction balancing weight for the device can rotate when centre gripping steel shotcrete more the union piece and through the frictional force of friction balancing weight increase with ground, improves the installation stability, avoids when installation and centre gripping steel shotcrete, and the device takes place to incline or rocks and influence its safeguard effect.

Although but above-mentioned anti-falling device reuse has the installation stability, but the hack lever is used for the support of different positions to use, mostly need to adjust hack lever and the contained angle size that bears between the removal subassembly, makes its lower extreme friction balancing weight hug closely ground for the erection bracing of device position, and the device can only carry out the support use of single angle to the hack lever, and the installation effect is relatively poor, and the practicality is low, consequently, this application provides a construction steel shotcrete anti-falling device satisfies the demand.

SUMMERY OF THE UTILITY MODEL

The application aims to provide a construction steel support anti-falling device to solve the problems in the background technology.

In order to achieve the above purpose, the present application provides the following technical solutions:

the utility model provides a construction steel supports anti-falling device, is including preventing weighing down the main part, rotates to be connected prevent weighing down the spin friction subassembly and the fixed connection of main part one side prevent weighing down the bearing moving assembly of main part bottom, spin friction subassembly includes two hacks, a friction balancing weight and commentaries on classics board, the equal fixedly connected with electric push rod in bottom both sides of commentaries on classics board, the outside cover of the flexible end of electric push rod is equipped with two flexible pipes, and is two sets of common fixedly connected with a plurality of connecting rod, one between electric push rod and the flexible pipe with the one end of electric push rod common with hack lever fixed connection, the equal fixedly connected with pivot in both ends of friction balancing weight, one the pivot with the centre of hack lever runs through and is connected with same bolt jointly, bear the middle part fixedly connected with horizontal pole of moving assembly, horizontal pole and two rotate jointly between the electric push rod and be connected with two drive assembly.

Preferably, one end of the other telescopic pipe is fixedly connected with the electric push rod, and the two telescopic pipes are connected in a sleeved mode.

Preferably, a plurality of connecting rods are distributed in parallel, and the connecting rods are positioned at one side of the bottom of the telescopic pipe.

Preferably, the friction balancing weight is located between the two frame rods, one side of the bottom of the friction balancing weight is fixedly connected with a clamping piece, and the clamping piece is vertically connected with the friction balancing weight.

Preferably, the rotating shaft is connected with the bolt in a penetrating mode through a through opening, the rack rod is connected with the bolt engaging tooth through a screw groove, and the other rotating shaft is connected with the rack rod in a rotating mode.

Preferably, the driving assembly comprises two rotating seats which are fixed on the adjacent side of the electric push rod and the cross rod respectively, one rotating seat is located in the middle of the electric push rod, and the middle of the two rotating seats is connected with the same hydraulic cylinder in a rotating mode.

To sum up, the utility model discloses a technological effect and advantage:

1. in the utility model, the length adjusting function of the rotary friction component and the driving structure of the rotary friction component for angle rotation are conveniently increased by the arranged electric push rod, the telescopic pipe, the cross rod and the driving component, the automatic adjusting function of the rotary friction component with different supporting angles is realized, the rotary friction component is always clung to the installation ground through the friction balancing weight, the clamping piece is clamped into the installation ground, the supporting installation of the anti-falling main body can be realized, and the supporting installation with different installation areas is carried out; the electric push rod and the telescopic pipe are used for electrically adjusting the length of the rotary friction assembly, the cross rod is used for connecting the two driving assemblies and the rotary friction assembly, hydraulic expansion of hydraulic oil in the driving assemblies is facilitated, hydraulic driving of the rotation angle of the rotary friction assembly is facilitated, the rotation stability of the rotary friction assembly is improved, and the installation flexibility of the anti-falling device is improved;

2. the utility model discloses in, through the spiral shell groove that sets up, bolt and card income piece, the card income piece is convenient for increase the ground card of friction balancing weight lower extreme and is gone into the structure, improves the firm in connection nature between friction balancing weight and support ground, and the bolt is through with spiral shell groove and opening through connection, is convenient for carry out the fixed treatment to the use angle of friction balancing weight, increases the area of contact between friction balancing weight and ground, improves the use steadiness of friction balancing weight, and then improves anti-falling device's result of use, has the practicality.

Drawings

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

FIG. 1 is a schematic perspective view of a construction steel support anti-falling device;

FIG. 2 is an exploded view of a structure between a rotating friction assembly and a cross bar in the construction steel support anti-falling device;

FIG. 3 is an exploded view of a driving assembly in the construction steel support anti-falling device;

FIG. 4 is a schematic view of a connection structure between an electric push rod and a frame rod in the construction steel support anti-falling device;

fig. 5 is an exploded view of a connection structure between a hack lever and a friction counterweight block in the construction steel support anti-falling device.

In the figure: 1 anti-falling main body, 11 rotating friction components, 12 bearing moving components, 111 hack levers, 112 friction balancing weights, 113 rotating plates, 114 rotating shafts, 115 clamping sheets, 2 electric push rods, 21 telescopic pipes, 22 connecting rods, 3 bolts, 31 screw grooves, 4 cross rods, 5 driving components, 51 rotating seats and 52 hydraulic cylinders.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example (b): referring to fig. 1-5, a construction steel supports anti-falling device, including preventing weighing down main part 1, the rotatory friction subassembly 11 of rotation connection in preventing weighing down main part 1 one side and the bearing moving subassembly 12 of fixed connection in preventing weighing down main part 1 bottom, rotatory friction subassembly 11 includes two hack levers 111, a friction balancing weight 112 and commentaries on classics board 113, the equal fixedly connected with electric push rod 2 in bottom both sides of commentaries on classics board 113, the outside cover of the flexible end of electric push rod 2 is equipped with two flexible pipes 21, common fixedly connected with a plurality of connecting rod 22 between two sets of electric push rod 2 and the flexible pipe 21, the one end of a flexible pipe 21 and electric push rod 2 is common with hack lever 111 fixed connection, the equal fixedly connected with pivot 114 in both ends of friction balancing weight 112, the common through connection has same bolt 3 in the middle part of a pivot 114 and hack lever 111, the middle part fixedly connected with horizontal pole 4 of bearing moving subassembly 12, it is connected with two drive assemblies 5 to rotate jointly between horizontal pole 4 and two electric push rod 2, prevent weighing down main part 1 in this embodiment, rotatory friction subassembly 11, bearing moving subassembly 12, hack lever 111, friction balancing weight 112, commentaries on classics board 113 and pivot 114 are the existing structure in the prior art, do not add.

Referring to fig. 4, one end of the other telescopic tube 21 is fixedly connected to the electric push rod 2, the two telescopic tubes 21 are connected in a sleeving manner, the telescopic tube 21 is used for protecting the outside of the contraction end of the electric push rod 2, and the two telescopic tubes 21 connected in the sleeving manner are used for contracting and accommodating the electric push rod 2.

Referring to fig. 4, a plurality of connecting rods 22 are distributed in parallel, the connecting rods 22 are located at one side of the bottom of the telescopic tube 21, the connecting rods 22 are used for connecting the two electric push rods 2 and the telescopic tube 21, and the connecting rods 22 located at one side of the bottom of the telescopic tube 21 are used for realizing the telescopic movement of the two telescopic tubes 21 and realizing the length adjustment of the rotary friction assembly 11.

Referring to fig. 5, the friction counter weight 112 is located between two frame rods 111, one side of the bottom of the friction counter weight 112 is fixedly connected with a clamping piece 115, and the clamping piece 115 is vertically connected with the friction counter weight 112, by applying the counter weight supporting technology in the conventional anti-falling device, the friction counter weight 112 is used for supporting the rotating friction assembly 11, the installation position and the bearing moving assembly 12, and the clamping piece 115 is vertically clamped with the installation position to fix the use position of the friction counter weight 112, so as to increase the firmness of the supporting position of the friction counter weight 112 and improve the supporting stability of the rotating friction assembly 11.

Referring to fig. 5, the rotating shaft 114 is connected to the bolt 3 through the through hole, the rack bar 111 is connected to the bolt 3 through the screw groove 31, the other rotating shaft 114 is rotatably connected to the rack bar 111, the rotating shaft 114 is used for rotatably connecting the friction weight 112 to the two rack bars 111, the through hole and the screw groove 31 are provided for rotatably connecting the bolt 3 to one of the rotating shafts 114, so that the friction weight 112 is rotated by engaging the bolt 3 with the rotating shaft 114, and the used angle can be screwed and fixed, thereby fixing the angle of the friction weight 112.

Referring to fig. 2 or 3, the driving assembly 5 includes two rotating seats 51 respectively fixed on the adjacent sides of the electric push rod 2 and the cross bar 4, one rotating seat 51 is located in the middle of the electric push rod 2, the middle of the two rotating seats 51 are connected to the same hydraulic cylinder 52 in a rotating manner, the hydraulic cylinder 52 is made to adjust its telescopic length by the change of its internal hydraulic volume by applying the existing hydraulic telescopic technology of the hydraulic cylinder 52, and then the hydraulic cylinder 52 is connected to the rotating seat 51 in a rotating manner, so as to adjust the included angle between the bearing moving assembly 12 and the rotating friction assembly 11, so as to realize the supporting use of the rotating friction assembly 11 at different positions, enlarge the supporting area of the rotating friction assembly 11, and improve the installation effect of the device.

This practical theory of operation:

when the anti-falling device is used at different positions, the anti-falling device can be moved to the use position through the bearing moving component 12, then the rotary friction component 11 is rotated out from one side of the anti-falling body 1 through the driving component 5, the friction balancing weight 112 at the bottom of the rotary friction component 11 is clung to the support position of the anti-falling device through the electric extension and retraction of the electric push rod 2, the anti-falling device is clamped into the support ground through the clamping piece 115, the rotary driving of the driving component 5 is stopped, a triangular structure is formed between the rotary friction component 11 and the ground and between the rotary friction component 11 and the bearing moving component 12 for increasing the use stability of the anti-falling device, the anti-falling body 1 and the ground are distributed in parallel, then the bolts 3 are used, the penetrating screw grooves 31 and the through holes are screwed with the hack levers 111, and the use angles of the friction balancing weight 112 are fixed; the working principle and the using steps of the existing anti-falling main body 1 are applied, the falling protection of a steel supporting structure is realized, the supporting flexibility of the anti-falling device is improved, and the using stability of the anti-falling device is improved;

when the driving component 5 drives the rotary friction component 11 to rotate, the existing hydraulic cylinder 52 hydraulic telescopic technology is applied, and the hydraulic cylinder 52 performs hydraulic work to enable the length of the hydraulic cylinder to be changed in a telescopic manner, so that the included angle between the electric push rod 2 and the cross rod 4 is adjusted through the rotating seat 51, and the angle adjustment between the rotary friction component 11 and the bearing moving component 12 is realized; when the rotary friction component 11 is used for supporting different lengths, the existing electric push rod 2 electric telescopic technology is applied, so that the electric push rod 2 pushes the frame rod 111 to extend outwards, the length of the two sleeved telescopic pipes 21 is lengthened accordingly, the telescopic pipes 21 are used for protecting the telescopic ends of the electric push rod 2, the length adjusting function of the rotary friction component 11 is increased, and the use flexibility of the anti-falling device is improved.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims (6)

1. The utility model provides a construction steel supports anti-falling device, is including preventing weighing down main part (1), rotates to be connected prevent weighing down rotary friction subassembly (11) and the fixed connection of main part (1) one side prevent weighing down bearing movement subassembly (12) of main part (1) bottom, its characterized in that: the rotary friction component (11) comprises two rack rods (111), a friction balancing weight (112) and a rotating plate (113), wherein two sides of the bottom of the rotating plate (113) are fixedly connected with electric push rods (2), the outer portion of the telescopic end of each electric push rod (2) is sleeved with two telescopic pipes (21), two groups of connecting rods (22) are fixedly connected between the electric push rods (2) and the telescopic pipes (21) together, one telescopic pipe (21) and one end of each electric push rod (2) are fixedly connected with the rack rods (111) together, two ends of each friction balancing weight (112) are fixedly connected with rotating shafts (114) and one rotating shaft (114) and the middle of each rack rod (111) are connected with the same bolt (3) in a penetrating mode together, the middle of the bearing moving component (12) is fixedly connected with a cross rod (4), and the two electric push rods (2) are rotatably connected with two driving components (5) together.

2. The construction steel support anti-falling device of claim 1, wherein: one end of the other telescopic pipe (21) is fixedly connected with the electric push rod (2), and the two telescopic pipes (21) are connected in a sleeved mode.

3. The construction steel support anti-falling device of claim 1, wherein: the connecting rods (22) are distributed in a parallel mode, and the connecting rods (22) are located on one side of the bottom of the telescopic pipe (21).

4. The construction steel support anti-falling device of claim 1, wherein: the friction balancing weight (112) is located between the two frame rods (111), one side of the bottom of the friction balancing weight (112) is fixedly connected with a clamping piece (115), and the clamping piece (115) is vertically connected with the friction balancing weight (112).

5. The construction steel support anti-falling device of claim 1, wherein: pivot (114) through the opening with bolt (3) through connection, hack lever (111) through thread groove (31) with bolt (3) rodent is connected, another pivot (114) with hack lever (111) rotate to be connected.

6. The construction steel support anti-falling device according to claim 1, characterized in that: including two in drive assembly (5) fix respectively electric putter (2) with rotate seat (51) on the adjacent one side of horizontal pole (4), one rotate seat (51) and be located the middle part position of electric putter (2), two the intermediate position of rotating seat (51) rotates jointly and is connected with same pneumatic cylinder (52).

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