CN108952195A - A kind of construction site anti-falling device - Google Patents

Abstract

The invention relates to the field of building construction, in particular to an anti-falling object device for a construction site, which includes an anti-falling net and at least two anti-falling object mechanisms with the same structure, and the anti-falling net is in a tensioned state and is located between the two anti-falling object mechanisms Between them, the anti-falling mechanism includes a main slideway, an extension slideway, an anti-dumping device and a power unit. The main slideway is in the upper end of the normal state, the anti-falling net is horizontal and its two ends are respectively fixedly connected with the top of an extended slideway, and the anti-dumping device can be installed at the lower end of the main slideway through the power device, which can move towards the ground. The invention can effectively block objects such as bricks that fall due to accidents, thereby directly protecting the safety of pedestrians around the building area.

Description

An anti-falling object device for a construction site

technical field

The invention relates to the field of building construction, in particular to an anti-falling object device for a construction site.

Background technique

With the continuous development of science and technology, more and more high-rise buildings appear in people's sight. During the construction process of these high-rise buildings or some new buildings, a lot of people, time and mechanical equipment need to be invested in the operation, so in During the construction work, the construction workers will build a fence, that is, the working area is inside the fence, and some pedestrians will pass by outside the fence, so the construction workers will set up reminder signs around the surrounding area to remind pedestrians not to enter the working area and to stay away from the surrounding areas of the working area as soon as possible. The reason is that during the construction process, these pedestrians are prevented from being injured by accidents. These accidents are mainly due to the risk of bricks and other items falling, but it is far from enough to establish a warning sign, so the construction site urgently needs an effective protection. Pedestrian safety devices around the building perimeter.

Contents of the invention

The object of the present invention is to provide an anti-falling object device for a construction site to address the deficiencies of the prior art.

In order to solve the above-mentioned problems, the present invention provides the following technical solutions: an anti-falling object device for a construction site, including an anti-falling net and at least two anti-falling mechanisms with the same structure, and the anti-falling net is in a tensioned state and is located at two anti-falling mechanisms. Between the object mechanism, the anti-falling object mechanism includes the main slideway, the extension slideway, the anti-dumping device and the power device. The main slideway is placed in a vertical posture under normal conditions, and the extension slideway can move vertically through the screw drive mechanism Inserted in the upper end of the main slideway under normal conditions, the anti-falling net is horizontal and its two ends are respectively fixedly connected with the top of an extended slideway, and the anti-dumping device is installed on the main slideway through the power device and can move toward the ground lower end;

The anti-dumping device includes at least three stable support parts, all of which have the same structure, and each pair of all stable support parts is set at an obtuse angle of 120 degrees, and the power unit is installed at the lower end of the main slideway And it is always above all the supporting parts. The power device includes a hydraulic rod. The hydraulic rod is in an inverted posture and its rod body is fixedly connected to one side of the main slideway. The lower part of the guide block is provided with a guide block, the guide block can be vertically and movablely sleeved on the main slideway, the outer surface of the guide block is fixedly connected with all the stable parts, and the upper surface of the guide block is fixedly connected with the output rod of the hydraulic rod;

The stabilizer part includes a hollow plate, an extension plate and an adjustment assembly, one end of the hollow plate is fixedly connected to the guide block, the other end of the hollow plate extends outward horizontally, and this end is open, and the extension plate can be adjusted through the adjustment assembly. The horizontal movable one is installed in the open end of the hollow plate, and the end of the extension plate away from the hollow plate is provided with a positioning bolt that runs through the extension plate from top to bottom, and the positioning bolt is welded on the extension plate, and the end of the positioning bolt is installed with a preload .

Further, the adjustment assembly includes a stepping motor and a small trapezoidal screw, the shaft of the small trapezoidal screw is connected to the top of the hollow plate, the stepping motor is installed on one end of the small trapezoidal screw and is also connected with it in transmission, the small trapezoidal screw The upper surface of the bar is equipped with a nut block that can be driven and matched with it. The upper surface of the hollow plate is provided with a guide groove that can communicate with the inside. The bottom of the nut block is fixedly connected with the extension plate through the guide groove. The upper surface of the hollow plate is installed. A case that can enclose a stepper motor and a small lead screw.

Further, the preloading part includes a chassis and a preloading plate, the chassis is coaxially welded to the ends of the positioning bolts, the preloading plate is located directly below the chassis, and is elastically connected to the bottom of the chassis through a preloading spring, and the bottom of the preloading plate is set There are several conflicting bumps distributed in a circular array.

Further, a V-shaped plate is welded outside the end of the extension plate away from the hollow plate, and the opening of the V-shaped plate faces outward.

Further, an anti-sway member is installed on one of the stabilizer portions, and the anti-sway member is installed on the outside of the case in the stabilizer portion, the anti-sway member includes a swing rod, and one end of the swing rod The outer side of the machine box corresponding to it is axially connected, and a splicing block is installed on the outer surface of the main slideway. The splicing block is located above the first booster plate. The outer surface is pasted with a rubber layer, and the free end of the swing rod can rotate in the opening of the splicing block, and the free end of the swing rod and the splicing block are detachably connected by large bolts.

Beneficial effects: the invention provides a construction site anti-falling object device, which can effectively block objects such as bricks that fall due to accidents, thereby directly protecting the safety of pedestrians around the construction area.

Description of drawings

Fig. 1 is the working state schematic diagram of the present invention;

Fig. 2 is the three-dimensional structure schematic diagram of the present invention;

Fig. 3 is the enlarged view of place A in Fig. 2;

Fig. 4 is the enlarged view of place B in Fig. 2;

Fig. 5 is a top view of the present invention;

Fig. 6 is a schematic diagram of a partial three-dimensional structure of the present invention;

FIG. 7 is a second schematic diagram of a partial three-dimensional structure of the present invention;

Fig. 8 is a plan view one of the present invention;

Fig. 9 is a schematic plan view II of the present invention;

Fig. 10 is a schematic diagram of a partial three-dimensional structure of the present invention;

Explanation of reference numerals: anti-falling net 1, anti-falling object mechanism 1a.

Main slideway 2, split block 2a, self-locking universal wheel 2b, extension slideway 2c, screw drive mechanism 2d.

Anti-dumping device 3, stabilizing part 3a, hollow plate 3a1, extension plate 3a2, positioning bolt 3a3, chassis 3b, pre-pressing plate 3c, collision bump 3e, pre-compressing spring 3f, V-shaped plate 3q, swing bar 3w.

Adjustment assembly 4, stepper motor 4a, small trapezoidal screw 4b, guide groove 4c, machine box 4d.

Power unit 5, hydraulic rod 5a, guide block 5b, first booster plate 5c, second booster plate 5d, booster spring 5e.

Detailed ways

Below in conjunction with accompanying drawing and embodiment of description, specific embodiment of the present invention is described in further detail:

Referring to a construction site anti-falling object device shown in Figures 1 to 10, it includes an anti-falling net 1 and at least two anti-falling mechanisms 1a with the same structure, the anti-falling net 1 is in a tensioned state and is located Between the object mechanism 1a, the anti-falling object mechanism 1a includes the main slideway 2, the extension slideway 2c, the anti-dumping device 3 and the power unit 5, the main slideway 2 is placed in a vertical posture under the normal state, and the extension slideway 2c passes through the wire The rod transmission mechanism 2d can be vertically movable inserted in the upper end of the main slideway 2 under normal conditions, the anti-falling net 1 is horizontal and its two ends are respectively fixedly connected with the top of an extended slideway 2c, and the anti-dumping device 3 passes through The power unit 5 can be mounted on the lower end of the main slideway 2 towards the ground.

Described anti-dumping device 3 comprises at least three stable supporting parts 3a, and the structure of all stabilizing supporting parts 3a is all the same, and in all stabilizing supporting parts 3a, every pair of them is respectively arranged at an obtuse angle of 120 degrees, and the power unit 5 is installed on The lower end of the main slideway 2 is always above all the stable supports 3a. The power unit 5 includes a hydraulic rod 5a. The hydraulic rod 5a is in an inverted posture and its shaft is fixedly connected to one side of the main slideway 2. The main slideway 2 The other side of the hydraulic rod 5a is equipped with a pressurized part, and a guide block 5b is provided under the hydraulic rod 5a. The guide block 5b can be vertically movable and sleeved on the main slideway 2. Fixedly connected, the upper surface of the guide block 5b is fixedly connected with the output rod of the hydraulic rod 5a; when working, the main slideway 2 is placed in a vertical posture, and the extension slideway 2c is vertically raised through the screw drive mechanism 2d, and the rising height coincides with The actual distance around the construction site is the main factor, and it is mainly installed on the periphery of the construction site, that is, the vicinity where pedestrians on the roadside need to walk. Before the screw drive mechanism 2d works, the hydraulic rod 5a works and drives the guide block 5b vertically. The straight movement makes all the supporting parts 3a touch the ground, so that the main slideway 2 is firmly placed on the ground at the set position, and the pressurized part ensures that all the supporting parts 3a can be tensioned against the ground.

The pressure booster includes a first booster plate 5c fixedly connected to the main slideway 2, a horizontal second booster plate 5d is arranged below the hydraulic rod 5a, and the output rod of the hydraulic rod 5a passes through the second booster plate 5d, the first booster plate 5c and the second booster plate 5d are symmetrically arranged, and the bottoms of the two are elastically connected to the upper surface of the guide block 5b through a booster spring 5e respectively; after the guide block 5b is driven down, all The stabilizer part 3a descends synchronously. When the output rod of the hydraulic rod 5a is working, it squeezes a booster spring 5e at its position, and the other booster spring 5e also moves vertically with the guide block 5b, and is in a telescopic state , to further illustrate, under the normal state, the booster spring 5e pushes the guide block 5b close to the ground, that is, when the hydraulic rod 5a retracts, it presses the booster spring 5e to shrink, so that the output rod of the hydraulic rod 5a When stretching out, the booster spring 5e cooperates with the stretched stroke, so that all the stable support parts 3a are subjected to the active force of the booster spring 5e and the active force of the hydraulic rod 5a, and the tension is in conflict with the ground.

The stabilizer portion 3a includes a hollow plate 3a1, an extension plate 3a2 and an adjustment assembly 4. One end of the hollow plate 3a1 is fixedly connected to the guide block 5b, and the other end of the hollow plate 3a1 extends horizontally outwards, and the one end is open. The extension plate 3a2 can be installed horizontally in the open end of the hollow plate 3a1 through the adjustment assembly 4. The end of the extension plate 3a2 away from the hollow plate 3a1 is provided with a positioning bolt 3a3 penetrating the extension plate 3a2 from top to bottom. The positioning bolt 3a3 It is welded on the extension plate 3a2, and the end of the positioning bolt 3a3 is installed with a preloaded part; at the construction site, considering the surrounding environment, these environments generally include walls, grilles, etc., so the length of the supporting part 3a can be adjusted arbitrarily. Then the adjustment assembly 4 is used to drive the extension plate 3a2 to move in the hollow plate 3a1 to achieve extraction or retraction, so as to change the length. In this way, the place where the main slideway 2 needs to be placed is relatively narrow, so the three stable support parts 3a The length can be adjusted arbitrarily to be different, and it can contact with the walls or grilles in these narrow spaces to form a horizontal conflict. The positioning bolts 3a3 rely on the preloaded parts to contact the ground to achieve the purpose of supporting the main slideway 2 , The positioning bolt 3a3 just constitutes vertical and ground conflict like this.

The adjustment assembly 4 includes a stepper motor 4a and a small lead screw 4b, the small lead screw 4b is pivotally connected to the top of the hollow plate 3a1, the stepper motor 4a is mounted on one end of the small lead screw 4b and is also connected to it for transmission , the small trapezoidal screw 4b is set with a nut block that can be driven and matched with it, the upper surface of the hollow plate 3a1 is provided with a guide groove 4c that can communicate with the inside, and the bottom of the nut block is fixed with the extension plate 3a2 through the guide groove 4c connection, the upper surface of the hollow plate 3a1 is equipped with a casing 4d capable of covering the stepper motor 4a and the small lead screw 4b; As the extension plate 3a2 moves horizontally in the hollow plate 3a1, the total length between the hollow plate 3a1 and the extension plate 3a2 changes.

The preloading part includes a chassis 3b and a preloading disk 3c, the chassis 3b is coaxially welded to the end of the positioning bolt 3a3, the preloading disk 3c is located directly below the chassis 3b, and is elastically connected to the bottom of the chassis 3b through a preloading spring 3f, preloaded The bottom of the pressure plate 3c is provided with a number of conflicting bumps 3e distributed in a circular array; when the guide block 5b is driven down by the hydraulic rod 5a, the hollow plate 3a1 and the extension plate 3a2 in each stabilizer part 3a will drop vertically accordingly , during the descent, the pre-compression plate 3c at the end of the positioning bolt 3a3 touches the ground first, and squeezes the pre-compression spring 3f, so that the pre-compression disc 3c is in tension contact with the ground, and the bottom of the pre-compression disc 3c passes through the bump 3e The friction force between the ground and the ground is increased to ensure stability.

A V-shaped plate 3q is welded on the outer side of the extension plate 3a2 away from the hollow plate 3a1, and the opening of the V-shaped plate 3q faces outward; as mentioned in the above embodiment, after the extension plate 3a2 moves in the hollow plate 3a1, the two In this case, the complex construction site environment is adapted, that is, after the V-shaped plate 3q at the front end of the extension plate 3a2 is moved, the V-shaped plate 3q can be connected with the wall surface or grid of the construction site. The fences make contact to achieve horizontal resistance and prevent sideways tilting.

One of the stable support parts 3a in all the stable support parts 3a is equipped with an anti-shake piece, and the anti-shake piece is installed on the outside of the machine box 4d in the stable support part 3a. One end of 3w is axially connected to the outer side of the corresponding machine box 4d, and the outer surface of the main slideway 2 is equipped with a splicing block 2a, which is located above the first booster plate 5c, and the splicing block 2a is far away from the front of the main slideway 2. The side is open, and the outer surface of the free end of the swing rod 3w is pasted with a rubber layer. The free end of the swing rod 3w can rotate into the opening of the split block 2a, and a large bolt is passed between the free end of the swing rod 3w and the split block 2a. Detachable connection; when the guide block 5b is lowered by the work of the hydraulic rod 5a, the pre-pressure plate 3c in all the stabilizer parts 3a will be squeezed into contact with the ground. Turn into the opening of the splicing block 2a, the rubber layer on the outer surface of the free end of the swing rod 3w is squeezed into contact with the splicing block 2a, and then the two are screwed manually through large bolts to prevent all the support parts 3a from falling Alice.

The bottom surface of the main slideway 2 is equipped with a self-locking universal wheel 2b; when the hydraulic lever 5a is reset to work, all the stabilizing parts 3a are away from the ground, and the main slide can be moved by the self-locking universal wheel 2b at this time. Road 2, when the specific construction position in the construction site changes, the main slideway 2 can be moved to enter another specific construction site for anti-fall protection.

Working principle: When working, place the main slideway 2 in one of the anti-falling object mechanisms 1a in a vertical posture. Work, by driving the guide block 5b to move vertically, and in its work, squeeze a booster spring 5e at its position, and the other booster spring 5e also follows the vertical movement of the guide block 5b, and is in a telescopic state, then At the same time, all the stabilizer parts 3a are lowered synchronously. At this time, the hollow plates 3a1 and the extension plates 3a2 in all the stabilizer parts 3a are vertically lowered thereupon. During the descent, the pre-loading plate 3c at the end of the positioning bolt 3a3 touches the ground first. , and squeeze the pre-compression spring 3f, so that the pre-compression plate 3c is in tension contact with the ground, and also through the booster spring 5e, so that the guide block 5b is in a tension state, so the setting of the two springs ensures that the pre-compression disc The stability of 3c is in contact with the ground, and at the construction site, the surrounding environment is considered. These environments generally include walls, grilles, etc., so the length of the support part 3a can be adjusted arbitrarily, then the adjustment component 4 is used to drive the extension plate 3a2 moves in the hollow plate 3a1 to achieve extraction or indentation, thereby changing the length, so that the place where the main slideway 2 needs to be placed is relatively narrow, so the lengths of the three stabilizing parts 3a can be adjusted to be different arbitrarily, which can be compared with The walls or grids in these narrow spaces are in contact, and the contact points of the extension plate 3a2 and these walls or grids are based on the V-shaped plate 3q, so as to achieve horizontal resistance, prevent sideways tilting, and all After the pre-pressing plate 3c in the stable support part 3a is all squeezed and contacted with the ground, at this time, the swing rod 3w is rotated, and the free end of the swing rod 3w is transferred into the opening of the splicing block 2a, and the outer surface of the free end of the swing rod 3w is The rubber layer of the rubber layer is in extrusion contact with the split block 2a, and then the two are screwed manually through large bolts to prevent all the stable support parts 3a from upturning, and then the other falling object mechanism 1a is moved to another device. Set the position so that the anti-falling net 1 is in a tensioned state, then operate another anti-falling object mechanism 1a to make stable contact with the ground, and then synchronously drive the screw drive mechanism 2d in the two anti-falling object mechanisms 1a, so that the two The extended slideway 2c rises synchronously, so that the anti-falling net 1 is at a set level, so as to realize the anti-falling protection around the construction site.

The above description is only a preferred embodiment of the present invention, and does not make any limitation to the technical scope of the present invention, so any minor modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present invention are still valid. It belongs to the scope of the technical solution of the present invention.

Claims (5)

1. a kind of construction site anti-falling device, it is characterised in that: identical anti-including anti-drop net (1) and at least two structures Zhui Wu mechanism (1a), anti-drop net (1) are located between Liang Ge preventing dropped material mechanism (1a) in tensioning state, and preventing dropped material mechanism (1a) includes Main skid (2) extends slideway (2c), anti-tipping apparatus (3) and power device (5), and main skid (2) is in the normal state down in vertical appearance State ornaments, extend slideway (2c) the movable main skid (2) that is plugged in can be in the normal state vertically by lead screw transmission mechanism (2d) Under upper end in, anti-drop net (1) is fixedly connected with the top of an extension slideway (2c) respectively in horizontal and its both ends, anti-dumping Focusing device (3) can be towards the lower end for being mounted on main skid (2) of land operations by power device (5)；

The anti-tipping apparatus (3) includes at least three steady support portions (3a), and the structure of all steady support portions (3a) is all the same, Suo Youwen In support portion (3a), per being arranged respectively in 120 degree of obtuse angle between any two, power device (5) is mounted on the lower end of main skid (2) simultaneously And it is in the top of all steady support portions (3a) always, power device (5) includes hydraulic stem (5a), and hydraulic stem (5a) is in inversion posture And its shaft is fixedly connected with the side of main skid (2), and the other side of main skid (2) is equipped with plenum member, hydraulic stem (5a) Lower section be provided with guide pad (5b), guide pad (5b) can it is vertical it is movable be set on main skid (2), guide pad (5b) Lateral surface is fixedly connected with all steady support portions (3a), the upper surface of guide pad (5b) and the fixed company of the output rod of hydraulic stem (5a) It connects；

The steady support portion (3a) includes cored slab (3a1), extension board (3a2) and adjusts component (4), one end of cored slab (3a1) It being fixedly connected with guide pad (5b), the other end of cored slab (3a1) is in extend horizontally outward, and the one end is open setting, Extension board (3a2) is capable of being mounted in the open end of cored slab (3a1) of horizontal anomalous movement, extension board by adjusting component (4) (3a2) is provided with the positioning bolt (3a3) for running through extension board (3a2) from top to bottom far from the one end of cored slab (3a1), positions spiral shell Bolt (3a3) is welded on extension board (3a2), and the end of positioning bolt (3a3) is equipped with pre-press.

2. a kind of construction site anti-falling device according to claim 1, it is characterised in that: the adjusting component (4) Including stepper motor (4a) and small-sized trapezoidal screw (4b), small-sized trapezoidal screw (4b) axis is connect in the top of cored slab (3a1), step One end of small-sized trapezoidal screw (4b) is mounted on into motor (4a) and is also sequentially connected therewith, is covered on small-sized trapezoidal screw (4b) Equipped with the nut block that can be driven cooperation therewith, the upper surface of cored slab (3a1) offers leading of being connected with inside it To slot (4c), the bottom of nut block is fixedly connected by guide groove (4c) with extension board (3a2), the upper surface of cored slab (3a1) The machine box (4d) that stepper motor (4a) and small-sized trapezoidal screw (4b) can be shrouded is installed.

3. a kind of construction site anti-falling device according to claim 1, it is characterised in that: the pre-press includes bottom Disk (3b) and pre-pressed disc (3c), chassis (3b) and the end positioning bolt (3a3) coaxial welding, pre-pressed disc (3c) are located at chassis (3b) Underface, and being connect with the bottom resilient of chassis (3b) by pre-compressed spring (3f), pre-pressed disc (3c) if bottom be provided with Do the conflict salient point (3e) of rounded array distribution.

4. a kind of construction site anti-falling device according to claim 1, it is characterised in that: the extension board (3a2) It is welded with V-type plate (3q) on the outside of one end far from cored slab (3a1), the opening of V-type plate (3q) faces outwardly.

5. a kind of construction site anti-falling device according to claim 2, it is characterised in that: all steady support portions Anti-shake part is installed, and anti-shake part is mounted on the machine box in the steady support portion (3a) on one of them steady support portion (3a) in (3a) On the outside of (4d), anti-shake part includes swing rod (3w), and corresponding machine box (4d) outboard shafts in one end of swing rod (3w) connect, main skid (2) lateral surface is equipped with split block (2a), and front side of the split block (2a) far from main skid (2) is open setting, swing rod (3w) The outer surface of free end, which is sticked, rubber layer, and the free end of swing rod (3w) can be rotated into the opening of split block (2a), swing rod It is detachably connected between the free end and split block (2a) of (3w) by large-sized bolt.