CN217437694U

CN217437694U - Anti-falling device

Info

Publication number: CN217437694U
Application number: CN202220900001.1U
Authority: CN
Inventors: 曾晓冬; 李长杨; 邢路; 王南君; 赵光远; 李洋; 朱小六; 张华勇; 翁奕钒
Original assignee: China Construction Sixth Bureau South China Construction Co Ltd
Current assignee: China Construction Sixth Bureau South China Construction Co Ltd
Priority date: 2022-04-19
Filing date: 2022-04-19
Publication date: 2022-09-16
Anticipated expiration: 2032-04-19

Abstract

The utility model discloses a prevent device that falls, prevent device that falls is including preventing main part and climbing support that falls, prevent that the main part that falls includes the base and prevents the board that falls, prevent that the board that falls locates the base upper end, the base with prevent being equipped with between the board and predetermine the distance, prevent the board that falls including prevent the mouth that falls with prevent the net that falls, just prevent the net that falls to cover prevent the mouth that falls, the climbing support is located prevent main part one side that falls, just the climbing support is followed prevent that the base of the main part that falls down is past prevent that the board that falls extends. Climbing support is convenient for the staff and scrambles the board that prevents falling, is convenient for clear up and drops prevent falling the object on the board, or be convenient for the rescue and fall and be in constructor on the protection network.

Description

Anti-falling device

Technical Field

The utility model belongs to the research field of safety prevention equipment technique, establish very much and prevent device that falls.

Background

The in-process of bridge construction needs constructor to carry out high altitude construction, and constructor can use construction tool when high altitude construction, when the instrument falls from the high altitude because place improperly, will cause danger to the constructor of machine and low department, so just need use the anti-falling device, come to intercept the instrument that drops, avoid dangerous incident to improve the security of construction.

For example, chinese patent publication No. CN213114269U proposes an anti-falling device for bridge construction, in which the assembly is configured to facilitate installation and positioning work of a steel wire rope and a protective net by sliding operation of a collar on a support column, and facilitate subsequent expansion of the steel wire rope and the protective net, and meanwhile, the position of the collar can be fixed by the snap-fit connection of a limiting rod and a limiting groove, and the limiting rod can push the elastic force of a limiting plate through a connecting spring, so that the limiting rod keeps the maximum sliding position, and facilitates the snap-fit connection of the subsequent limiting rod and the limiting groove after being aligned with each other, thereby facilitating the overall installation work; through the threaded connection of double-screw bolt and screw, make the double-screw bolt accomodate the groove through the second and slide on the plectane to conveniently fix the position of plectane and gag lever post, avoid follow-up the emergence not hard up, the pulling of accessible to the double-screw bolt makes the double-screw bolt drive the gag lever post through the plectane and slides simultaneously, conveniently carries out the operation of relieving of fixing a position, but in this scheme, when constructor drops the protection network by accident, inconvenient rescue constructor, or inconvenient object to on the protection network clears up.

In view of the above problems, we propose an anti-fall device for this purpose.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a device prevents falling, the device prevents falling is including preventing falling the main part and climbing the support, prevent falling the main part and include the base and prevent falling the board, prevent falling the board and locate the base upper end, the base with be equipped with the preset distance between the board of preventing falling, prevent falling the board including prevent falling the mouth with prevent falling the net, just prevent falling the net and cover prevent falling the mouth, the climbing support is located prevent falling main part one side, just the climbing support is followed the base of preventing falling the main part is past prevent falling the board extends. Climbing support is convenient for the staff and scrambles the board that prevents falling, is convenient for clear up and drops prevent falling the object on the board, or be convenient for the rescue and fall and be in constructor on the protection network.

The utility model discloses the technological effect that will reach is realized through following scheme:

the utility model provides a prevent device that falls, prevent device that falls is including preventing main part and climbing support that falls, prevent that the main part that falls includes the base and prevent the board that falls, prevent that the board that falls locates the base upper end, the base with prevent being equipped with between the board that falls and predetermine the distance, prevent the board that falls including prevent the mouth that falls with prevent the net that falls, just prevent that the net that falls covers prevent the mouth that falls, climbing support locates prevent falling main part one side, just climbing support follows prevent that the base of falling the main part is past prevent that the board that falls extends.

Further, the climbing support includes first sub-support and second sub-support, first sub-support is equipped with the holding tank and follows the first footboard that direction of height interval was arranged, the second sub-support is located in the holding tank, the holding tank bottom is equipped with first lifting unit, second sub-support lower extreme with first lifting unit connects, the second sub-support is equipped with the second footboard of following the direction of height interval and arranging.

Further, the first lifting assembly comprises a motor and a lifting rod, one end of the lifting rod is connected with an output shaft of the motor, and the other end of the lifting rod is connected with the second sub-support.

Further, first sub-carrier include first casing with the second casing, first casing with second casing lid closes to be formed with the holding tank, first casing is equipped with first engaging lug, and first engaging lug is equipped with first connecting hole, the second casing is equipped with the second engaging lug, the second engaging lug is equipped with the second engaging lug, it is equipped with the third connecting hole to prevent falling the main part, first connecting hole, second connecting hole and third connecting hole position aligns, and a screw setting is in first connecting hole, second connecting hole and in the third connecting hole, with will first casing the second casing with prevent that the main part that falls links to each other.

Further, the first pedal and the second pedal are provided with anti-slip pads.

Furthermore, the anti-falling body comprises a support frame, the support frame is arranged between the base and the anti-falling plate, the support frame comprises a support plate, a second lifting assembly and a buffer assembly, the lower end of the second lifting assembly is connected with the base, and the upper end of the second lifting assembly is connected with the support plate; the lower end of the buffer component is connected with the supporting plate, and the upper end of the buffer component is connected with the anti-falling plate.

Furthermore, the second lifting assembly comprises a hydraulic cylinder and a hydraulic rod, the hydraulic cylinder is arranged on the base, one end of the hydraulic rod is connected with the hydraulic cylinder, and the other end of the hydraulic rod is connected with the supporting plate.

Furthermore, the buffering assembly comprises a sleeve rod and a supporting rod, the sleeve rod is provided with an inner sleeve groove, the supporting rod is arranged in the inner sleeve groove, the lower end of the sleeve rod is connected with the supporting plate, and the upper end of the supporting rod is connected with the anti-falling plate.

Furthermore, a spring is arranged in the sleeve inner groove, one end of the spring is abutted to the bottom of the sleeve inner groove, and the other end of the spring is abutted to the support rod.

Further, the support plate and the anti-falling plate are identical in shape and size, and the positions of the support plate and the anti-falling plate are aligned; the supporting plate is provided with a waste groove, the shape and the size of the waste groove are the same as those of the anti-falling opening, and the waste groove is aligned with the position of the anti-falling opening.

The utility model has the advantages of it is following:

the utility model provides a prevent device that falls, prevent device that falls is including preventing main part and climbing support that falls, prevent that the main part that falls includes the base and prevents the board that falls, prevent that the board that falls locates the base upper end, the base with prevent being equipped with between the board and predetermine the distance, prevent the board that falls including prevent the mouth that falls with prevent the net that falls, just prevent the net that falls to cover prevent the mouth that falls, the climbing support is located prevent main part one side that falls, just the climbing support is followed prevent that the base of the main part that falls down is past prevent that the board that falls extends. Climbing support is convenient for the staff and scrambles the board that prevents falling, is convenient for clear up and drops prevent falling the object on the board, or be convenient for the rescue and fall and be in constructor on the protection network.

Drawings

In order to more clearly illustrate the embodiments or prior art solutions of the present invention, the drawings needed to be used in the description of the embodiments or prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic structural view of an anti-falling device in an embodiment of the present invention;

fig. 2 is a schematic structural view of an anti-falling body according to an embodiment of the present invention;

figure 3 is a perspective assembly view of the climbing support in an embodiment of the present invention;

fig. 4 is a perspective assembly view of the buffering assembly according to an embodiment of the present invention.

Description of the symbols of the drawings: 1. a drop-proof body; 11. a base; 12. a falling prevention plate; 121. preventing the mouth from falling; 122. preventing the net from falling; 13. a third connection hole; 14. a support frame; 141. a support plate; 1411. a waste tank; 142. a second lifting assembly; 1421. a hydraulic cylinder; 1422. a hydraulic rod; 143. a buffer assembly; 1431. a loop bar; 1432. a support bar; 1433. a spring; 2. a climbing support; 21. a first sub-mount; 211. a first pedal; 212. accommodating grooves; 213. a first lifting assembly; 2131. a motor; 2132. a lifting rod; 214. a first housing; 2141. a first connecting lug; 2142. a first connection hole; 215. a second housing; 2151. a second engaging lug; 2152. a second connection hole; 216. a non-slip mat; 22. a second sub-mount; 221. a second pedal.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the specific embodiments and the corresponding drawings. It is to be understood that the embodiments described are only some embodiments of the invention, and 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.

The in-process of bridge construction needs constructor to carry out high altitude construction, and constructor can use construction tool when high altitude construction, when the instrument falls from the high altitude because place improperly, will cause danger to the constructor of machine and low department, so just need use the anti-falling device, come to intercept the instrument that drops, avoid dangerous incident to improve the security of construction. The top end of the existing anti-falling device is high, and workers are inconvenient to climb to the upper end of the anti-falling device to clean falling objects or rescue the constructors falling on the anti-falling device. To the problem, the utility model provides an anti-falling device, anti-falling device is including anti-falling main part and climbing support, anti-falling main part includes the base and prevents the board that falls, prevent that the board that falls locates the base upper end, the base with be equipped with between the board that falls and predetermine the distance, prevent the board that falls including prevent the mouth with prevent falling the net, just prevent falling the net and cover prevent falling the mouth, the climbing support is located prevent falling main part one side, just the climbing support is followed the base of preventing the main part that falls is past prevent that the board that falls extends. Climbing support is convenient for the staff and scrambles the board that prevents falling, is convenient for clear up and drops prevent falling the object on the board, or be convenient for the rescue and fall and be in constructor on the protection network.

Various non-limiting embodiments of the present application are described in detail below with reference to the accompanying drawings.

As shown in fig. 1-2, the utility model discloses a falling prevention device of embodiment is shown, falling prevention device is including falling prevention main part 1 and climbing support 2, falling prevention main part 1 includes base 11 and falling prevention board 12, falling prevention board 12 is located base 11 upper end, base 11 with be equipped with preset distance between falling prevention board 12, falling prevention board 12 including falling prevention mouth 121 with falling prevention net 122, just falling prevention net 122 hides falling prevention mouth 121, climbing support 2 locates falling prevention main part 1 one side, just climbing support 2 follows falling prevention main part 1's base 11 is past falling prevention board 12 extends. In a building site, the anti-fall device is moved to a building under construction, below the construction of a constructor. The falling prevention net 122 is used for netting objects falling from a high place, preventing the objects from smashing people or machines, and further, can be used for catching construction personnel falling carelessly, preventing dangers and reducing the accident rate of a construction site. Climbing support 2 is convenient for the staff and climbs anti-falling plate 12, it is right the object that falls clears up, perhaps the rescue falls constructor on anti-falling net 122. Prevent falling net 122 under the effect of the object that falls or the constructor's that falls acceleration and gravity, prevent falling net 122 can warp and down along with falling the object, base 11 with prevent being equipped with between the board 12 and predetermine the distance, avoid the object that falls or the constructor who falls to contact base 11, can prevent to take place danger, predetermine the distance and can set for according to actual conditions, the utility model discloses it is undefined predetermine the scope of distance.

As shown in fig. 3, in this embodiment, the climbing support 2 includes a first sub-support 21 and a second sub-support 22, the first sub-support 21 is provided with a receiving groove 212 and first pedals 211 arranged at intervals along the height direction, the second sub-support 22 is disposed in the receiving groove 212, a first lifting assembly 213 is disposed at the bottom of the receiving groove 212, the lower end of the second sub-support 22 is connected to the first lifting assembly 213, and the second sub-support 22 is provided with second pedals 221 arranged at intervals along the height direction. The second sub-frame 22 can extend out of the receiving groove 212 under the driving of the first lifting assembly 213 to increase the height of the climbing frame 2, so that a worker can conveniently climb to the top of the anti-falling device or the anti-falling plate 12. The first and

second pedals

211 and 221 facilitate a worker to climb step by step, easily climbing onto the top of the anti-fall device or onto the anti-fall panel 12.

Further, the first lifting assembly 213 includes a motor 2131 and a lifting rod 2132, one end of the lifting rod 2132 is connected to the output shaft of the motor 2131, and the other end is connected to the second sub-bracket 22. The output shaft is provided with a mounting hole, the lifting rod 2132 is arranged in the mounting hole, the outer periphery side of the lifting rod 2132 is provided with threads, the inner periphery side of the mounting hole is provided with a threaded hole, the motor 2131 rotates to drive the output shaft to rotate, and the lifting rod 2132 can ascend or descend under the rotation of the output shaft due to the fact that the output shaft is connected with the lifting rod 2132 through a threaded structure, so that the second sub-bracket 22 ascends or descends.

In this embodiment, the first sub-bracket 21 includes a first housing 214 and the second housing 215, the first housing 214 and the second housing 215 are covered to form the receiving groove 212, the first housing 214 is provided with a first connecting ear 2141, the first connecting ear 2141 is provided with a first connecting hole 2142, the second housing 215 is provided with a second connecting ear 2151, the second connecting ear 2151 is provided with a second connecting ear 2151, the fall-prevention body 1 is provided with a third connecting hole 13, the first connecting hole 2142, the second connecting hole 2152 and the third connecting hole 13 are aligned in position, and a screw is disposed in the first connecting hole 2142, the second connecting hole 2152 and the third connecting hole 13 to connect the first housing 214, the second housing 215 and the fall-prevention body 1. The first shell 214, the second shell 215 and the anti-falling body 1 are connected through screws, so that the anti-falling device is convenient to detach and install, and can be used when the anti-falling device is idle or transported, the first shell 214 and the second shell 215 are detached from the anti-falling body 1, so that the anti-falling device is convenient to store.

For the safety of the anti-falling device, the first pedal 211 and the second pedal 221 are both provided with anti-slip pads 216, which can prevent people from slipping when stepping on the first pedal 211 or the second pedal 221.

In this embodiment, the anti-falling body 1 includes a supporting frame 14, the supporting frame 14 is disposed between the base 11 and the anti-falling plate 12, the supporting frame 14 includes a supporting plate 141, a second lifting assembly 142 and a buffering assembly 143, a lower end of the second lifting assembly 142 is connected to the base 11, and an upper end of the second lifting assembly 142 is connected to the supporting plate 141; the lower end of the buffer component 143 is connected to the support plate 141, and the upper end is connected to the anti-falling plate 12. The second elevating assembly 142 can raise the heights of the supporting plate 141 and the fall prevention plate 12 to conveniently catch a falling object or a falling operator, and the higher the height of the fall prevention plate 12 is, the smaller the gravitational acceleration of the falling object or the falling operator is, and the smaller the impact force falling on the fall prevention net 122 is, the safer it is. Also, the buffering assembly 143 can buffer the impact force of a falling object or a falling constructor falling on the anti-falling net 122, and can prevent the impact force from being too large to cause a danger.

On the basis of the design that the supporting frame 14 includes the supporting plate 141, the second lifting assembly 142 and the buffering assembly 143, the second lifting assembly 142 includes a hydraulic cylinder 1421 and a hydraulic rod 1422, the hydraulic cylinder 1421 is disposed on the base 11, one end of the hydraulic rod 1422 is connected to the hydraulic cylinder 1421, and the other end is connected to the supporting plate 141. The hydraulic cylinder 1421 drives the hydraulic rod 1422 to ascend or descend, so as to drive the supporting plate 141 to ascend or descend.

As shown in fig. 1-2 and fig. 4, based on the design that the supporting frame 14 includes a supporting plate 141, a second lifting assembly 142 and a buffering assembly 143, the buffering assembly 143 includes a sleeve rod 1431 and a supporting rod 1432, the sleeve rod 1431 is provided with a sleeve inner groove, the supporting rod 1432 is arranged in the sleeve inner groove, the lower end of the sleeve rod 1431 is connected to the supporting plate 141, and the upper end of the supporting rod 1432 is connected to the anti-falling plate 12. The support bar 1432 is sleeved in the sleeve inner groove, so that the support bar 1432 can be limited to move only in the height direction, and the downward force transmission can be ensured.

Further, the sleeve inner groove is provided with a spring 1433, one end of the spring 1433 is abutted against the bottom of the sleeve inner groove, and the other end is abutted against the support rod 1432. When the falling object falls on the anti-fall net 122, the support bar 1432 is pressed down by the impact force of the falling object, the spring 1433 is compressed, and the spring 1433 is rebounded when the spring 1433 is compressed to a minimum length. The spring 1433 will buffer the impact force of a falling object falling on the anti-fall net 122, and minimize the damage and danger caused by the large impact force. The internal grooves limit the movement of the support bar 1432 only in the height direction, so as to ensure that the impact force of the falling object is transmitted to the spring 1433.

In the present embodiment, the supporting plate 141 and the anti-falling plate 12 are the same in shape and size, and the supporting plate 141 and the anti-falling plate 12 are aligned in position; the supporting plate 141 is provided with a waste groove 1411, the waste groove 1411 and the drop-preventing opening 121 have the same shape and size, and the waste groove 1411 is aligned with the drop-preventing opening 121. The supporting plate 141 is used for preventing the object penetrating through the anti-falling net 122 from falling, so that the falling object is prevented from hitting people or construction equipment, and the safety of a construction site is improved. In order that the supporting plate 141 can block all objects penetrating through the anti-falling net 122 from falling, the supporting plate 141 and the anti-falling plate 12 have the same shape and size, and the supporting plate 141 and the anti-falling plate 12 are aligned in position. Also, the waste tank 1411 is used to accommodate objects falling through the fall-prevention net 122 on the supporting plate 141, and the waste tank 1411 facilitates collection of the falling objects, i.e., cleaning of the falling objects. In order for the waste chute 1411 to catch all falling objects that pass through the anti-fall net 122, the waste chute 1411 and the anti-fall opening 121 are identical in shape and size, and the waste chute 1411 is aligned with the anti-fall opening 121.

It should be finally noted that the above embodiments are only used for illustrating the technical solutions of the embodiments of the present invention and not for limiting the same, and although the embodiments of the present invention are described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the embodiments of the present invention can still be modified or replaced with equivalents, and these modifications or equivalent replacements cannot make the modified technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a prevent device that falls, its characterized in that, prevent device that falls is including preventing main part and climbing support that falls, prevent that the main part that falls includes the base and prevent the board that falls, prevent that the board that falls locates the base upper end, the base with prevent being equipped with between the board that falls and predetermine the distance, prevent the board that falls including preventing falling the mouth and preventing falling the net, just prevent falling the net and cover prevent falling the mouth, climbing support locates prevent falling main part one side, just climbing support follows prevent that the base of falling the main part is past prevent that the board that falls extends.

2. The fall arrest device according to claim 1, wherein the climbing support comprises a first sub-support and a second sub-support, the first sub-support is provided with a receiving groove and first pedals arranged at intervals in the height direction, the second sub-support is arranged in the receiving groove, a first lifting assembly is arranged at the bottom of the receiving groove, the lower end of the second sub-support is connected with the first lifting assembly, and the second sub-support is provided with second pedals arranged at intervals in the height direction.

3. The fall arrest device according to claim 2, wherein the first lifting assembly comprises a motor and a lifting rod, one end of the lifting rod being connected to the output shaft of the motor and the other end being connected to the second sub-frame.

4. The fall prevention device according to claim 2, wherein the first sub-frame comprises a first housing and a second housing, the first housing and the second housing cover the receiving slot, the first housing is provided with a first connecting lug, the first connecting lug is provided with a first connecting hole, the second housing is provided with a second connecting lug, the second connecting lug is provided with a second connecting lug, the fall prevention body is provided with a third connecting hole, the first connecting hole, the second connecting hole and the third connecting hole are aligned, and a screw is disposed in the first connecting hole, the second connecting hole and the third connecting hole to connect the first housing, the second housing and the fall prevention body.

5. A drop prevention device as defined in claim 2, wherein each of said first step and said second step is provided with a non-slip mat.

6. The fall arrest device according to claim 2, wherein the fall arrest body comprises a support frame, the support frame being disposed between the base and the fall arrest plate, the support frame comprising a support plate, a second lifting assembly and a buffer assembly, the second lifting assembly being connected at its lower end to the base and at its upper end to the support plate; the lower end of the buffer component is connected with the supporting plate, and the upper end of the buffer component is connected with the anti-falling plate.

7. An anti-fall device according to claim 6, wherein the second lifting assembly comprises a hydraulic cylinder and a hydraulic rod, the hydraulic cylinder is arranged on the base, one end of the hydraulic rod is connected with the hydraulic cylinder, and the other end of the hydraulic rod is connected with the support plate.

8. The fall arrest device according to claim 6, wherein the damping assembly comprises a sleeve rod having an inner sleeve groove and a support rod disposed in the inner sleeve groove, the lower end of the sleeve rod being connected to the support plate and the upper end of the support rod being connected to the fall arrest plate.

9. The fall arrest device according to claim 8, wherein the inner groove of the sleeve is provided with a spring having one end abutting the bottom of the inner groove of the sleeve and the other end abutting the support bar.

10. An anti-fall device according to claim 6, wherein the support plate and the anti-fall plate are of the same shape and size, and the support plate and the anti-fall plate are aligned; the backup pad is equipped with the waste material groove, the waste material groove with prevent falling the shape and the size of mouthful all the same, just the waste material groove with prevent falling the position alignment of mouthful.