CN115198663A - Step-by-step pier construction anti-falling device capable of automatically lifting - Google Patents
Step-by-step pier construction anti-falling device capable of automatically lifting Download PDFInfo
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- CN115198663A CN115198663A CN202211133585.5A CN202211133585A CN115198663A CN 115198663 A CN115198663 A CN 115198663A CN 202211133585 A CN202211133585 A CN 202211133585A CN 115198663 A CN115198663 A CN 115198663A
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- 238000010276 construction Methods 0.000 title claims abstract description 26
- 230000003014 reinforcing effect Effects 0.000 claims description 16
- 239000000725 suspension Substances 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000001174 ascending effect Effects 0.000 claims 2
- 230000002265 prevention Effects 0.000 claims 2
- 230000001681 protective effect Effects 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 230000003068 static effect Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
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- 239000007787 solid Substances 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/02—Piers; Abutments ; Protecting same against drifting ice
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Abstract
The invention relates to the technical field of pier construction protective equipment, and provides an automatic-lifting stepping type pier construction anti-falling device, which comprises an anti-falling net component arranged on the periphery of a pier and a stepping lifting component for driving the anti-falling net component to move; the stepping lifting assembly comprises slide bars, the slide bars are fixedly connected and arranged on the anti-falling net assembly and are positioned between the anti-falling net assembly and the bridge pier, and the slide bars are arranged on the periphery of the bridge pier; the lower support leg is movably arranged on the sliding rod and is in contact with or cancelled from the pier after moving; the sliding block and the sliding rod are arranged in a relative sliding mode, and the sliding block is close to or far away from the lower supporting leg after sliding; the upper supporting leg is movably arranged on the sliding block and is in contact with the pier or is cancelled after moving; through the technical scheme, the problem that the working efficiency is very influenced because the anti-falling net is detached and installed for multiple times in the prior art is solved.
Description
Technical Field
The invention relates to the technical field of pier construction protection equipment, in particular to a stepping type pier construction anti-falling device capable of automatically lifting.
Background
According to statistics of 'three major injuries' (high-altitude falling, collapse and object striking) accidents in the civil engineering industry in recent years, the high-altitude falling accidents have the highest incidence rate and great dangerousness; and along with the continuous development of science and technology, the leap ability of bridge is bigger and bigger, and the height of pier is also higher and higher, and the construction risk of pier work progress is also continuous increase, and wherein high altitude falls exactly the safety risk that ubiquitous among the pier construction. Protection devices such as safety helmets, safety ropes, safety guardrails and the like are usually arranged in the existing construction process, and the anti-falling device is the last protection line arranged on the surface of the pier.
In the construction of the bridge pier column, because the height of the pier operation surface is continuously raised, and the surface of the pier column generally has no attachments, the anti-falling net can not be arranged; in the prior art, the anti-falling net is fixedly arranged at a certain position of a pier, and the position distance between the anti-falling net and a construction operation surface of the pier is continuously increased along with the change of the position of the construction operation surface of the pier, so that the protection effect of the anti-falling net is influenced; in order to ensure the protection effect, the anti-falling net needs to change the position for many times to meet the protection requirement in the construction process, but the anti-falling net is disassembled for many times and then installed, thereby greatly influencing the working efficiency.
Disclosure of Invention
The invention provides an automatic lifting stepping type anti-falling device for pier construction, which solves the problem that the working efficiency is influenced because an anti-falling net is dismounted and mounted for multiple times in the related technology.
The technical scheme of the invention is as follows:
an automatic lifting stepping type anti-falling device for pier construction comprises anti-falling net components arranged on the periphery of a pier and stepping lifting components for driving the anti-falling net components to move; the step-by-step lifting assembly comprises
The slide bars are fixedly connected and arranged on the anti-falling net assembly and positioned between the anti-falling net assembly and the bridge pier, and the slide bars are arranged on the periphery of the bridge pier;
the lower supporting leg is movably arranged on the sliding rod and is in contact with or cancels the contact with the pier after moving;
the sliding block and the sliding rod are arranged in a relative sliding mode, and the sliding block is close to or far away from the lower supporting leg after sliding;
the upper supporting leg is movably arranged on the sliding block, and the upper supporting leg is in contact with or cancels the contact with the pier after moving.
In a further aspect, the step-by-step lifting assembly further comprises
One end of the lifting driving piece is connected with the sliding rod, and the other end of the lifting driving piece is connected with the sliding block;
the upper driving piece is arranged on the sliding block and is used for driving the upper supporting leg to move; and
and the lower driving piece is arranged on the sliding rod and is used for driving the lower support leg to move.
According to a further technical scheme, the upper supporting leg comprises a first upper connecting rod and a second upper connecting rod, one end of the first upper connecting rod is hinged with one end of the second upper connecting rod, the other end of the first upper connecting rod is hinged with the sliding block, and the other end of the second upper connecting rod is hinged with the output end of the upper driving piece through an upper sliding seat; an upper supporting leg is arranged at the hinged position of the first upper connecting rod and the second upper connecting rod;
the lower supporting leg comprises a first lower connecting rod and a second lower connecting rod, one end of the first lower connecting rod is hinged with one end of the second lower connecting rod, the other end of the first lower connecting rod is hinged with the sliding rod, and the other end of the second lower connecting rod is hinged with the output end of the lower driving piece through a lower sliding seat; and a lower supporting leg is arranged at the hinged position of the first lower connecting rod and the second lower connecting rod.
Make further technical scheme, be provided with long spout and lower spout on the slide bar, the slider is followed long spout slides, the lower slide is followed lower spout slides, be provided with the spout on the slider, the upper slide is followed the upper chute slides.
According to a further technical scheme, the anti-falling net assembly comprises
The support ring is arranged on the peripheral side of the pier and fixedly connected with the sliding rod;
the cantilever pressure rods are obliquely arranged on the support ring, and a plurality of cantilever pressure rods are arranged along the circumferential direction of the lower end of the support ring;
the reinforcing ring is connected with the suspension ends of the cantilever pressure rods and is higher than the support ring; and
and the safety net is connected and arranged between the upper end of the support ring and the reinforcing ring.
According to a further technical scheme, the anti-falling net assembly further comprises
One end of the locking pull rod is connected to the middle part of the support ring, and the other end of the locking pull rod is connected to the middle part of the cantilever pressure rod; the safety net is located above the locking pull rod.
According to the further technical scheme, the support ring comprises a plurality of rod pieces, and the adjacent rod pieces are connected through connecting flanges; the pier is a polygonal pier, and corner pull rods are further arranged at the corner positions of the support rings.
The further technical proposal also comprises
The limiting wheel is arranged on the supporting ring, rolls along the pier and is positioned at the corner of the supporting ring;
the control box is arranged on the ground; and
and one end of the power line is connected with the control box, and the other end of the power line is used for connecting the lifting driving piece, the upper driving piece and the lower driving piece.
The working principle and the beneficial effects of the invention are as follows:
1. according to the anti-falling net assembly, the automatic rising and the automatic falling of the anti-falling net assembly are realized through the stepping lifting assembly, so that the height difference between the anti-falling net assembly and the pier working surface is kept within a certain range all the time, falling personnel can be safely supported, the impact force received by the falling personnel is reduced, and the safety of operating personnel is ensured; the lifting type anti-falling device can be lifted, and the whole device can be installed and removed on the ground, so that a protection effect is achieved in the construction process, and the protection device does not need to be built and removed in a half-empty mode, and the anti-falling device is safer to construct and use;
2. when the device is at an initial position, the upper support leg and the lower support leg are both pressed against the surface of the pier, the stepping lifting assembly climbs along with the rising of the working surface of the pier, the lower support leg retracts, namely the lower support leg is separated from the pier, no friction force exists between the lower support leg and the pier, the whole device is fixed through the friction force between the upper support leg and the pier, the sliding block and the pier are fixed, then the sliding rod slides relative to the sliding block (the anti-falling net assembly moves upwards one step), so that the lower support leg is close to the sliding block after moving upwards, and then the lower support leg extends out until the pier is tightly propped; then the upper supporting leg is recovered, namely the upper supporting leg is separated from the bridge pier, no friction force exists between the upper supporting leg and the bridge pier, the whole device is fixed through the friction force between the lower supporting leg and the bridge pier, the sliding rod and the bridge pier are fixed at the moment, then the sliding block slides relative to the sliding rod, the sliding block is far away from the lower supporting leg after moving upwards, and then the upper supporting leg extends out until the sliding block tightly abuts against the bridge pier, so that the next upward moving step of the lower supporting leg is facilitated; and repeating the operation to ensure that the anti-falling net component continuously ascends and moves upwards along with the upward movement of the pier operation surface, so that the height difference between the anti-falling net component and the pier operation surface is kept within a certain range all the time.
Drawings
The invention is described in further detail below with reference to the drawings and the detailed description.
FIG. 1 is a schematic view of the structure of the present invention;
FIG. 2 is an enlarged view of the step-by-step lifting assembly of the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 3 according to the present invention;
FIG. 4 is an enlarged view of the portion B of FIG. 3 according to the present invention;
FIG. 5 is a schematic top view of the structure of the present invention;
in the figure: 10. the anti-falling net comprises a pier, 20, an anti-falling net component, 21, a support ring, 211, a rod piece, 212, a connecting flange, 213, a corner pull rod, 22, an overhanging pressure rod, 23, a reinforcing ring, 24, a safety net, 25, a locking pull rod, 30, a stepping lifting component, 31, a sliding rod, 311, a long sliding chute, 312, a lower sliding chute, 32, a lower supporting leg, 321, a first lower connecting rod, 322, a second lower connecting rod, 323, a lower sliding seat, 324, a lower supporting leg, 33, a sliding block, 331, an upper sliding chute, 34, an upper supporting leg, 341, a first upper connecting rod, 342, a second upper connecting rod, 343, an upper sliding seat, 344, an upper supporting leg, 35, a lifting driving component, 36, an upper driving component, 37, a lower driving component, 40, a limiting wheel, 50, a control box, 51 and a power line.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall be included within the scope of protection of the present invention.
Example 1
As shown in fig. 1 to 5, the embodiment provides an automatic lifting stepping type anti-falling device for pier construction, which comprises an anti-falling net assembly 20 arranged on the periphery of a pier 10 and a stepping lifting assembly 30 driving the anti-falling net assembly 20 to move; the step-lift assembly 30 comprises
The sliding rod 31 is fixedly connected to the anti-falling net assembly 20, the sliding rod 31 is located between the anti-falling net assembly 20 and the pier 10, the number of the sliding rods 31 is multiple, and the number of the sliding rods 31 are arranged on the periphery of the pier 10;
the lower supporting leg 32 is movably arranged on the sliding rod 31, and the lower supporting leg 32 is in contact with or is not in contact with the pier 10 after moving;
the sliding block 33 is arranged in a relative sliding manner with the sliding rod 31, and the sliding block 33 is close to or far away from the lower supporting leg 32 after sliding;
and the upper supporting leg 34 is movably arranged on the sliding block 33, and the upper supporting leg 34 is in contact with or is not in contact with the pier 10 after moving.
In the embodiment, in order to solve the problems that the anti-falling net is detached and installed for multiple times and the working efficiency is influenced, an automatic lifting stepping type pier construction anti-falling device is designed, wherein a stepping lifting assembly 30 drives an anti-falling net assembly 20 to move along a pier 10, so that the height difference between the anti-falling net assembly 20 and the working surface of the pier 10 is kept within a certain range all the time, a falling person can be safely supported, in order to drive the anti-falling net assembly 20 to move up and down, the stepping lifting assembly 30 comprises a sliding rod 31 fixedly connected with the anti-falling net assembly 20, the stepping lifting assembly 30 and the anti-falling net assembly 20 are connected with each other to form a whole, and both a lower support leg 32 and an upper support leg 34 can be in contact with the surface of the pier 10 to be pressed to generate friction force or generate clearance to cancel the friction force; during normal protection, the upper support leg 34 and the lower support leg 32 are both pressed against the surface of the pier 10, the stepping lifting assembly 30 climbs along with the rising of the working surface of the pier 10, the lower support leg 32 retracts, namely the lower support leg 32 is separated from the pier 10, no friction force exists between the lower support leg 32 and the pier 10, the whole device is fixed through the friction force between the upper support leg 34 and the pier 10, the sliding block 33 is fixed with the pier 10, then the sliding rod 31 slides relative to the sliding block 33 (the anti-falling net assembly 20 moves upwards by one step), so that the lower support leg 32 moves upwards to be close to the sliding block 33, and then the lower support leg 32 extends until the lower support leg tightly abuts against the pier 10; then the upper support leg 34 is recovered, namely the upper support leg 34 is separated from the pier 10, no friction force exists between the upper support leg 34 and the pier 10, the whole device is fixed through the friction force between the lower support leg 32 and the pier 10, at the moment, the sliding rod 31 and the pier 10 are fixed, then the sliding block 33 slides relative to the sliding rod 31, so that the sliding block 33 moves upwards and then is far away from the lower support leg 32, and then the upper support leg 34 extends out until the pier 10 is tightly jacked, and the next upward movement step of the lower support leg 32 is facilitated; repeating the operation to enable the anti-falling net component 20 to climb continuously, enabling the anti-falling net component 20 to move upwards along with the upward movement of the pier operation surface, and enabling the height difference between the anti-falling net component 20 and the pier working surface to be kept within a certain range (H-H), wherein H represents the minimum height difference (which can be 0 mm) between the anti-falling net component 20 and the pier working surface when the protection effect is achieved; h represents the maximum height difference between the anti-falling net assembly 20 and the pier working surface when the anti-falling net assembly has the protection effect, and if the height difference exceeds H, the protection effect of the anti-falling net assembly 20 is greatly reduced or even fails.
As shown in fig. 1 to 5, the step-by-step lifting assembly 30 further includes
A lifting driving part 35, one end of which is connected with the sliding rod 31, and the other end of which is connected with the sliding block 33;
an upper driving member 36 disposed on the sliding block 33, wherein the upper driving member 36 is used for driving the upper supporting leg 34 to move; and
and the lower driving part 37 is arranged on the sliding rod 31, and the lower driving part 37 is used for driving the lower supporting leg 32 to move.
In this embodiment, in order to ensure the relative sliding between the sliding rod 31 and the sliding block 33, a lifting driving member 35 is connected between the two; in order to ensure that the upper leg 34 is far away from or close to the pier, an upper driving member 36 is provided; in order to ensure that the lower leg 32 is far away from or close to the pier, a lower driving member 37 is provided; the lifting driving part 35, the upper driving part 36 and the lower driving part 37 are all electric telescopic cylinders, so that the whole structure is compact, and the weight is light; the anti-falling device is independent of the bridge pier 10, and is more convenient and safer to use; the anti-falling device controls the working state of the electric cylinder to change through the control system, so that automatic lifting is realized, and the anti-falling device can adapt to the working surface with continuously changing height.
As shown in fig. 1 to 5, the upper leg 34 includes a first upper link 341 and a second upper link 342, one end of the first upper link 341 is hinged to one end of the second upper link 342, the other end of the first upper link 341 is hinged to the slider 33, and the other end of the second upper link 342 is hinged to the output end of the upper driving member 36 through an upper slide 343; an upper supporting leg 344 is arranged at the hinged position of the first upper connecting rod 341 and the second upper connecting rod 342;
the lower supporting leg 32 comprises a first lower connecting rod 321 and a second lower connecting rod 322, one end of the first lower connecting rod 321 is hinged with one end of the second lower connecting rod 322, the other end of the first lower connecting rod 321 is hinged with the sliding rod 31, and the other end of the second lower connecting rod 322 is hinged with the output end of the lower driving part 37 through a lower sliding seat 323; the hinged part of the first lower connecting rod 321 and the second lower connecting rod 322 is provided with a lower supporting foot 324.
In this embodiment, in order to make the structure compact and avoid interference between the components during operation, the lifting driving element 35, the upper driving element 36 and the lower driving element 37 are vertically disposed, a triangle is formed between the first lower connecting rod 321, the second lower connecting rod 322 and the lower driving element 37, and a triangle is formed between the first upper connecting rod 341, the second upper connecting rod 342 and the upper driving element 36; during normal state protection, the upper support leg 34 and the lower support leg 32 are both pressed against the surface of the pier 10 during normal state protection, so that the anti-falling net assembly 20 plays a protection role, when the working surface of the pier 10 rises, the height difference between the working surface and the anti-falling net assembly 20 exceeds the maximum protection range H, and at the moment, the stepping lifting assembly 30 climbs;
during climbing, firstly, the lower driving part 37 extends to drive the lower sliding seat 323 to slide downwards, so that a hinge point of the second lower connecting rod 322 and the lower sliding seat 323 moves downwards, a triangular deformation is formed among the first lower connecting rod 321, the second lower connecting rod 322 and the lower driving part 37, finally, the lower supporting leg 324 is separated from the pier 10, the friction force between the lower supporting leg 32 and the pier 10 disappears, and the whole device is fixed through the friction force between the upper supporting leg 34 and the pier 10; the lifting driving part 35 retracts, the sliding block 33 is in a static state, the sliding rod 31 is driven to move upwards relative to the sliding block 33 (the pier 10), the sliding rod 31, the anti-falling net assembly 20 and other whole devices ascend, the lower driving part 37 shortens, the lower sliding seat 323 is driven to slide upwards, finally the lower supporting leg 32 is tightly propped against the pier 10 through deformation transmission of the first lower connecting rod 321 and the second lower connecting rod 322, and friction force is generated between the lower supporting leg 32 and the pier 10; the upper driving member 36 retracts to drive the upper sliding seat 343 to slide upwards, and through the deformation and transmission of the first upper connecting rod 341 and the second upper connecting rod 342, the upper leg foot 344 finally disengages from the pier 10, the friction force between the upper leg 34 and the pier 10 disappears, and the whole device is fixed by the friction force between the lower leg 32 and the pier 10; the lifting driving piece 35 extends, the sliding rod 31 is in a static state, and drives the sliding block 33 to move upwards along the sliding rod 31, the position of the whole device is unchanged, and the position of the sliding block 33 rises; the upper driving member 36 extends to drive the upper sliding seat 343 to move downwards, and the upper leg 34 abuts against the pier 10 through the deformation and transmission of the first upper connecting rod 341 and the second upper connecting rod 342, and generates friction force; the device can climb upwards by repeating the actions;
when the bridge is descended, the upper driving member 36 is shortened to drive the upper sliding seat 343 to move upwards, the upper supporting feet 344 are separated from the bridge pier 10 through the transmission of the first upper connecting rod 341 and the second upper connecting rod 342, the friction force between the upper supporting leg 34 and the bridge pier 10 disappears, and the whole device is fixed by the friction force between the lower supporting leg 32 and the bridge pier 10; the lifting driving piece 35 is shortened, the sliding rod 31 is in a static state, the sliding block 33 is driven to move downwards along the sliding rod 31, the position of the whole device is unchanged, and the position of the sliding block 33 is lowered; the upper driving member 36 extends to drive the upper sliding seat 343 to move downwards, and the upper leg 15 abuts against the pier through the transmission of the first upper connecting rod 341 and the second upper connecting rod 342 and generates friction force; the lifting driving piece 35 extends, (the sliding block 33 is in a static state), the sliding rod 31 is driven to move downwards relative to the sliding block 33, and the whole devices such as the sliding rod 31, the anti-falling net assembly 20 and the like are driven to descend; the lower electric cylinder 20 extends to drive the lower sliding seat 323 to slide downwards, and finally the lower supporting leg 324 is separated from the pier through the deformation and transmission of the first lower connecting rod 321 and the second lower connecting rod 322, the friction force between the lower supporting leg 32 and the pier 10 disappears, and the whole device is fixed through the friction force between the upper supporting leg 34 and the pier 10; the lifting driving piece 35 extends, the sliding block 33 is in a static state, the sliding rod 31 is driven to move downwards relative to the sliding block 33, and the whole device such as the sliding rod 31 and the anti-falling net assembly 20 is driven to descend. The lower driving member 37 is shortened to drive the lower sliding seat 323 to slide upwards, and finally the lower support leg 32 is tightly pressed against the pier 10 through the deformation and transmission of the first lower connecting rod 321 and the second lower connecting rod 322, and friction force is generated between the lower support leg and the pier 10, and the actions are repeated, so that the device can descend downwards in one step.
As shown in fig. 1 to 5, the sliding rod 31 is provided with a long sliding groove 311 and a lower sliding groove 312, the sliding block 33 slides along the long sliding groove 311, the lower sliding seat 323 slides along the lower sliding groove 312, the sliding block 33 is provided with an upper sliding groove 331, and the upper sliding seat 343 slides along the upper sliding groove 331.
In this embodiment, in order to guarantee the stability of removal, avoid taking place the jamming phenomenon, slider 33 slides along long spout 311, and lower slide 323 slides along lower spout 312, is provided with spout 331 on the slider 33, goes up the spout 343 and slides along last spout 331 for each sliding fit all has the direction, avoids taking place the skew phenomenon, can not the jamming yet, has guaranteed the operation of whole device steady, makes its security and protectiveness protected.
As shown in FIGS. 1-5, the fall arrest net assembly 20 comprises
The support ring 21 is arranged on the peripheral side of the pier 10, and the support ring 21 is fixedly connected with the sliding rod 31;
the cantilever pressing rods 22 are obliquely arranged on the supporting ring 21, and a plurality of cantilever pressing rods 22 are arranged along the circumferential direction of the lower end of the supporting ring 21;
the reinforcing ring 23 is connected with the suspension ends of the cantilever pressure rods 22, and the reinforcing ring 23 is higher than the support ring 21; and
and a safety net 24 connected between the upper end of the support ring 21 and the reinforcing ring 23.
In the embodiment, the support ring 21, the cantilever pressure bar 22, the reinforcing ring 23 and the safety net 24 are connected into an integral anti-falling net assembly 20, and the anti-falling net assembly 20 is firmly fixed on the pier 10 through the friction force between the upper support leg 34 and the surface of the pier 10 and the friction force between the lower support leg 32 and the surface of the pier 10; the safety net 24 forms a net-shaped anti-falling structure with a certain width around the bridge pier 10, when a person falls, the falling person can be received, and the cantilever pressure rod 22 is obliquely arranged on the support ring 21, so that the net-shaped structure formed by the safety net 24 is low in inside and high outside, the falling person can be prevented from popping out, and the safety of an operator is further ensured.
As shown in FIGS. 1-5, the fall arrest net assembly 20 further comprises
One end of the locking pull rod 25 is connected to the middle of the support ring 21, and the other end of the locking pull rod is connected to the middle of the cantilever pressure rod 22; the safety net 24 is located above the locking tie rod 25.
In this embodiment, in order to further guarantee the holistic intensity of device, make the bearing capacity great, be connected with lock solid pull rod 25 at the middle part of depression bar 22 and lock solid 21 of encorbelmenting, make and form a stable triangle-shaped structure between the three, the holistic stability of device has been guaranteed, the protecting effect of device has been improved, one side of safety net 24 is taut in the upper end of lock solid 21, the other end is taut on reinforcing ring 23, make safety net 24 suspension in the depression bar 22 of encorbelmenting and the top of lock solid pull rod 25, fall on safety net 24 at personnel, avoid personnel because gravity factor collides the steel pole on, it is elastic contact to have guaranteed personnel's contact safety net 24, personnel's injured circumstances has been reduced, personnel's safety has been guaranteed to fall.
As shown in fig. 1 to 5, the support ring 21 includes a plurality of rod members 211, and adjacent rod members 211 are connected by a connecting flange 212; the pier 10 is a polygonal pier, and corner tension rods 213 are further provided at corners of the support ring 21.
In this embodiment, the support ring 21 is formed by assembling rod pieces 211 with different lengths according to the stress characteristics, and the rod pieces 211 are connected through a connecting flange 212; the reinforcing ring 23 is arranged in a circle along the outer edge line of the structure and is connected with the intersection of the cantilever pressure rod 22; the safety net is fixed on the support ring 21 and the reinforcing ring 23, and the corner pull rods 213 are arranged at the corners of the support ring 21, so as to mainly reduce the deformation of the support ring 21 and increase the strength of the corners of the support ring 21.
As shown in FIGS. 1 to 5, further comprises
The limiting wheel 40 is arranged on the support ring 21, the limiting wheel 40 rolls along the pier 10, and the limiting wheel 40 is positioned at the corner of the support ring 21;
a control box 50, wherein the control box 50 is arranged on the ground; and
and a power line 51 having one end connected to the control box 50 and the other end connected to the lifting driving member 35, the upper driving member 36 and the lower driving member 37.
In this embodiment, the whole device uses electric energy as power, the electric energy is transmitted through the power line 51, the working state of the whole device is controlled by the control box 50, and the signal of the control box 50 is transmitted to the lifting driving element 35, the upper driving element 36 and the lower driving element 37 through the power line 51, so as to control the extension or shortening of the three elements, thereby the whole device completes stepping lifting or lowering; the limiting wheel 40 is installed near the corner of the support ring 21 and used for preventing the support ring 21 from deviating in the lifting process and avoiding the phenomenon that the short edge of the support ring 21 is stuck to the surface of the pier 10 to cause shell clamping.
Example 2
A pull rope is arranged between the support ring 21 and the reinforcing ring 23, one end of the pull rope is fixed at the upper end of the support ring 21, the other end of the pull rope is fixed at the joint of the cantilever pressure bar 22 and the reinforcing ring 23, and a safety net is fixed on the pull rope and the reinforcing ring. The rest was the same as in example 1.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. An automatic-lifting stepping type anti-falling device for pier construction is characterized by comprising anti-falling net components (20) arranged on the periphery of a pier (10) and stepping lifting components (30) driving the anti-falling net components (20) to move; the step-lift assembly (30) comprises
The sliding rod (31) is arranged on the anti-falling net component (20), the sliding rod (31) is located between the anti-falling net component (20) and the pier (10), the number of the sliding rods (31) is multiple, and the number of the sliding rods (31) are arranged on the peripheral side of the pier (10);
the lower supporting leg (32) is movably arranged on the sliding rod (31), and the lower supporting leg (32) is in contact with or is not in contact with the pier (10) after moving;
the sliding block (33) and the sliding rod (31) are arranged in a relatively sliding mode, and the sliding block (33) is close to or far away from the lower supporting leg (32) after sliding;
the upper supporting leg (34) is movably arranged on the sliding block (33), and the upper supporting leg (34) is in contact with or is not in contact with the pier (10) after moving.
2. The self-liftable stepping pier construction fall preventing device according to claim 1, wherein the stepping lifting assembly (30) further comprises
One end of the lifting driving piece (35) is connected with the sliding rod (31), and the other end of the lifting driving piece (35) is connected with the sliding block (33);
the upper driving part (36) is arranged on the sliding block (33), and the upper driving part (36) is used for driving the upper supporting leg (34) to move; and
the lower driving part (37) is arranged on the sliding rod (31), and the lower driving part (37) is used for driving the lower supporting leg (32) to move.
3. The stepping pier construction anti-falling device capable of automatically lifting according to claim 2,
the upper supporting leg (34) comprises a first upper connecting rod (341) and a second upper connecting rod (342), one end of the first upper connecting rod (341) is hinged with one end of the second upper connecting rod (342), the other end of the first upper connecting rod (341) is hinged with the sliding block (33), and the other end of the second upper connecting rod (342) is hinged with the output end of the upper driving piece (36) through an upper sliding seat (343); an upper supporting leg (344) is arranged at the hinged position of the first upper connecting rod (341) and the second upper connecting rod (342);
the lower supporting leg (32) comprises a first lower connecting rod (321) and a second lower connecting rod (322), one end of the first lower connecting rod (321) is hinged with one end of the second lower connecting rod (322), the other end of the first lower connecting rod (321) is hinged with the sliding rod (31), and the other end of the second lower connecting rod (322) is hinged with the output end of the lower driving piece (37) through a lower sliding seat (323); and a lower supporting leg (324) is arranged at the hinged position of the first lower connecting rod (321) and the second lower connecting rod (322).
4. The anti-falling device for the stepping pier construction capable of automatically ascending and descending according to claim 3, wherein the sliding rod (31) is provided with a long sliding groove (311) and a lower sliding groove (312), the sliding block (33) slides along the long sliding groove (311), the lower sliding seat (323) slides along the lower sliding groove (312), the sliding block (33) is provided with an upper sliding groove (331), and the upper sliding seat (343) slides along the upper sliding groove (331).
5. The automatically liftable step pier construction fall prevention device according to claim 2, wherein the fall prevention net assembly (20) comprises
The supporting ring (21) is arranged on the periphery of the pier (10), and the supporting ring (21) is fixedly connected with the sliding rod (31);
the cantilever pressing rods (22), the cantilever pressing rods (22) are obliquely arranged on the support ring (21), and a plurality of cantilever pressing rods (22) are arranged along the circumferential direction of the lower end of the support ring (21);
the reinforcing ring (23) is connected with the suspension ends of the cantilever pressure rods (22), and the reinforcing ring (23) is higher than the support ring (21); and
and the safety net (24) is connected and arranged between the upper end of the support ring (21) and the reinforcing ring (23).
6. The automatically liftable marching pier construction fall preventing device according to claim 5, wherein the fall preventing net assembly (20) further comprises
One end of the locking pull rod (25) is connected to the middle part of the support ring (21), and the other end of the locking pull rod is connected to the middle part of the cantilever press rod (22); the safety net (24) is located above the locking tie-rod (25).
7. The step pier construction anti-falling device capable of automatically ascending and descending as claimed in claim 6, wherein the support ring (21) comprises a plurality of rod pieces (211), and adjacent rod pieces (211) are connected through a connecting flange (212); the pier (10) is a polygonal pier, and corner pull rods (213) are further arranged at the corners of the support ring (21).
8. The automatically liftable step pier construction anti-falling device according to claim 7, further comprising
The limiting wheel (40) is arranged on the support ring (21), the limiting wheel (40) rolls along the pier (10), and the limiting wheel (40) is positioned at the corner of the support ring (21);
a control box (50), the control box (50) being disposed on the ground; and
and one end of the power line (51) is connected with the control box (50), and the other end of the power line is used for connecting the lifting driving piece (35), the upper driving piece (36) and the lower driving piece (37).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211133585.5A CN115198663A (en) | 2022-09-19 | 2022-09-19 | Step-by-step pier construction anti-falling device capable of automatically lifting |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211133585.5A CN115198663A (en) | 2022-09-19 | 2022-09-19 | Step-by-step pier construction anti-falling device capable of automatically lifting |
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| CN115198663A true CN115198663A (en) | 2022-10-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211133585.5A Pending CN115198663A (en) | 2022-09-19 | 2022-09-19 | Step-by-step pier construction anti-falling device capable of automatically lifting |
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| CN (1) | CN115198663A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117026836A (en) * | 2023-10-10 | 2023-11-10 | 中铁建安工程设计院有限公司 | Lifting and blocking folding pier construction safety anti-falling device |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201151951Y (en) * | 2007-11-30 | 2008-11-19 | 北京市机械施工有限公司 | Full-automatic marching type reverse force support |
| CN105804382A (en) * | 2014-12-31 | 2016-07-27 | 哈尔滨维宇众超建筑工程有限公司 | Step type ascending and descending device used in civil engineering construction and ascending and descending method |
| CN111962405A (en) * | 2020-07-07 | 2020-11-20 | 中铁六局集团太原铁路建设有限公司 | Existing railway pier self-climbing operation platform without support or suspension |
| CN212359189U (en) * | 2020-04-08 | 2021-01-15 | 中建七局第一建筑有限公司 | Anti-falling net for engineering |
| CN212773386U (en) * | 2020-06-30 | 2021-03-23 | 深圳前海特辰科技有限公司 | Full-automatic hydraulic climbing device for building outer wall construction |
| CN212801232U (en) * | 2020-06-05 | 2021-03-26 | 中交四公局第三工程有限公司 | Safe climbing frame for hollow pier construction |
| KR102356378B1 (en) * | 2021-06-02 | 2022-02-08 | 최종열 | Opening and closing type falling object prevention structure for delamination and spalling of concrete structures and blocking access to harmful birds |
| CN215926830U (en) * | 2021-08-13 | 2022-03-01 | 邹家辉 | Anti-falling device for building construction safety protection |
| CN216360652U (en) * | 2021-10-20 | 2022-04-22 | 中建铁路投资建设集团有限公司 | Climbing device for bridge girder erection machine |
| CN217419348U (en) * | 2022-05-25 | 2022-09-13 | 中铁建安工程设计院有限公司 | Pier high altitude construction anti-falling device that but lower formula automatic rising falls |
| CN217419356U (en) * | 2022-06-01 | 2022-09-13 | 中铁建安工程设计院有限公司 | Self-lifting pier high-altitude construction anti-falling device |
-
2022
- 2022-09-19 CN CN202211133585.5A patent/CN115198663A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201151951Y (en) * | 2007-11-30 | 2008-11-19 | 北京市机械施工有限公司 | Full-automatic marching type reverse force support |
| CN105804382A (en) * | 2014-12-31 | 2016-07-27 | 哈尔滨维宇众超建筑工程有限公司 | Step type ascending and descending device used in civil engineering construction and ascending and descending method |
| CN212359189U (en) * | 2020-04-08 | 2021-01-15 | 中建七局第一建筑有限公司 | Anti-falling net for engineering |
| CN212801232U (en) * | 2020-06-05 | 2021-03-26 | 中交四公局第三工程有限公司 | Safe climbing frame for hollow pier construction |
| CN212773386U (en) * | 2020-06-30 | 2021-03-23 | 深圳前海特辰科技有限公司 | Full-automatic hydraulic climbing device for building outer wall construction |
| CN111962405A (en) * | 2020-07-07 | 2020-11-20 | 中铁六局集团太原铁路建设有限公司 | Existing railway pier self-climbing operation platform without support or suspension |
| KR102356378B1 (en) * | 2021-06-02 | 2022-02-08 | 최종열 | Opening and closing type falling object prevention structure for delamination and spalling of concrete structures and blocking access to harmful birds |
| CN215926830U (en) * | 2021-08-13 | 2022-03-01 | 邹家辉 | Anti-falling device for building construction safety protection |
| CN216360652U (en) * | 2021-10-20 | 2022-04-22 | 中建铁路投资建设集团有限公司 | Climbing device for bridge girder erection machine |
| CN217419348U (en) * | 2022-05-25 | 2022-09-13 | 中铁建安工程设计院有限公司 | Pier high altitude construction anti-falling device that but lower formula automatic rising falls |
| CN217419356U (en) * | 2022-06-01 | 2022-09-13 | 中铁建安工程设计院有限公司 | Self-lifting pier high-altitude construction anti-falling device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117026836A (en) * | 2023-10-10 | 2023-11-10 | 中铁建安工程设计院有限公司 | Lifting and blocking folding pier construction safety anti-falling device |
| CN117026836B (en) * | 2023-10-10 | 2023-12-29 | 中铁建安工程设计院有限公司 | Lifting and blocking folding pier construction safety anti-falling device |
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Application publication date: 20221018 |