CN218989901U - High altitude falling prevention device for anti-collision guardrail construction - Google Patents
High altitude falling prevention device for anti-collision guardrail construction Download PDFInfo
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- CN218989901U CN218989901U CN202223081795.2U CN202223081795U CN218989901U CN 218989901 U CN218989901 U CN 218989901U CN 202223081795 U CN202223081795 U CN 202223081795U CN 218989901 U CN218989901 U CN 218989901U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
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Abstract
The utility model discloses a high-altitude falling prevention device for construction of a crash barrier, which belongs to the technical field of equipment for construction of the crash barrier of a bridge, and comprises the following components: the supporting mechanisms are vertically arranged on the road surface outside the anti-collision guardrail template at uniform intervals; the limiting rings are arranged at the tops of the supporting mechanisms in a one-to-one correspondence manner; and one end of the steel wire rope sequentially penetrates through each limiting ring and is connected with the supporting mechanism on the last limiting ring, and the other end of the steel wire rope is connected with the supporting mechanism on the first limiting ring. The high-altitude falling prevention device for the construction of the anti-collision guardrail can solve the technical problems that when the anti-collision guardrail of the expressway is constructed, the height of the guardrail is generally 1.5m, when concrete is poured and vibrated, a worker stands on a beam surface to be unfavorable for construction, and the worker stands on the top of the guardrail to pour and vibrate from top to bottom, so that falling risks are easy to cause.
Description
Technical Field
The utility model belongs to the technical field of equipment for bridge anti-collision guardrail construction, and particularly relates to an anti-high-altitude falling device for anti-collision guardrail construction.
Background
The expressway of China is developed from the 80 s, and plays an important role in the development of national economy and society. At present, the bridge guardrail generally adopts SB steel reinforced concrete guardrail, adopts steel form die building method when constructing crash barrier, and when constructing highway crash barrier, the guardrail height generally is 1.5m, and concrete placement and when vibrating, the workman stands at the roof beam face and is unfavorable for the construction, need stand at guardrail top from top down pour and vibrate, has undoubtedly increased the danger of falling. In the usual accident training, a plurality of falling accidents occur at high positions, and the safety belt is inconvenient to hang on a certain position and is easy to cause falling danger.
The patent of the utility model with the publication number CN212153121U discloses that the anti-falling device comprises: the upright post is fixedly connected with the anti-collision guardrail template of the bridge; a cable rope lock catch integrated at the upper end of the upright post; the number of the upright posts is two, and the two upright posts are respectively fixed at two ends of the bridge in the length direction; the upper end of each upright post is provided with one cable rope lock catch; the upright post is fixedly connected with the anti-collision guardrail template of the bridge through a steel structure connecting piece. Although the technical scheme is that the anti-falling device is fixedly connected with the anti-collision guardrail template, the two ends of the anti-collision guardrail template are formed into anchoring ends, the two ends are tensioned by using the cable rope, a constructor can hang the safety belt on the cable rope, and the safety belt can longitudinally and randomly slide on the anti-collision guardrail template, so that the flexibility and the safety of construction are improved. However, the above technical solution has the following technical drawbacks:
(1) According to the scheme, only two stand columns are arranged, and then the cable ropes form anchoring ends at the two ends of the two stand columns, and as the two stand columns are far away from each other, the length of the cable ropes between the two stand columns is long, so that the cable ropes at the middle positions cannot be in a tensioning state completely, and in the actual use process, a good traction effect on a safety belt cannot be achieved, and the safety of constructors cannot be guaranteed completely;
(2) The stand among the above-mentioned scheme adopts two length to be 1.9 meters channel-section steel relative setting concatenation to form, and because guardrail height is generally 1.5m, so the position of cable wind rope will be located constructor's shank position, also can not realize better traction to the safety belt.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provides a high-altitude falling prevention device for anti-collision guardrail construction.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an anti-high altitude falling device for anti-collision guardrail construction, comprising:
the supporting mechanisms are vertically arranged on the road surface outside the anti-collision guardrail template at uniform intervals;
the limiting rings are arranged at the tops of the supporting mechanisms in a one-to-one correspondence manner;
one end of the steel wire rope (4) sequentially penetrates through each limiting ring (3) and is connected with the supporting mechanism (1) on the last limiting ring (3) through a first fixing mechanism, and the other end of the steel wire rope is connected with the supporting mechanism (1) on the first limiting ring (3) through a second fixing mechanism;
the first fixing mechanism and the second fixing mechanism are identical in structure.
Preferably, each supporting mechanism comprises a first supporting tube and a second supporting tube, the first supporting tubes are vertically arranged on the road surface on the outer side of the anti-collision guardrail template, the bottom of the second supporting tube is spliced with the top of the first supporting tube, and the limiting rings are arranged on the top of the second supporting tubes.
Preferably, a limiting piece matched with the internal structure of the first support tube is arranged on the inner side of the bottom of the first support tube, and the bottom of the second support tube is arranged at the top of the limiting piece.
Preferably, the length of the second support tube at the outer side of the first support tube is 1.5m.
Preferably, the first fixing mechanism comprises a fixed disc, a rotating rod and a rotating disc, the fixed disc is arranged on the side face of the first supporting tube, the rotating rod is rotationally connected with the side face, far away from the first supporting tube, of the fixed disc, the rotating disc is fixedly connected with the movable end of the rotating rod, the movable end of the steel wire rope is wound on the rotating rod, and a positioning assembly used for limiting the rotation of the rotating rod is arranged between the fixed disc and the rotating disc.
Preferably, the positioning assembly comprises a positioning bolt and a plurality of positioning screw holes, the positioning screw holes are uniformly arranged on the side face of the fixed disc at intervals along the circumferential direction, the positioning screw holes are positioned around the rotating rod, and the positioning bolt penetrates through the rotating disc and is in threaded connection with the corresponding positioning screw hole.
Preferably, the top of the limiting ring is provided with a bolt hole communicated with the inside of the limiting ring, a fixing bolt is connected in the bolt hole in a threaded manner, and the end part of the fixing bolt is abutted against the steel wire rope.
Compared with the prior art, the utility model has the beneficial effects that:
(1) According to the high-altitude falling prevention device for the construction of the anti-collision guardrail, disclosed by the utility model, a constructor can hang the safety belt on the steel wire rope, and then longitudinally and randomly move on the anti-collision guardrail template, so that the flexibility of construction is improved, and the falling can be avoided due to the limitation of the traction force of the steel wire rope, and the safety of construction is improved.
(2) According to the utility model, the length of the part of the second support tube, which is positioned at the outer side of the first support tube, is designed to be 1.5m, so that the height of the steel wire rope is basically positioned at the head of a constructor, thus the movement of the constructor is not influenced, and the safety belt can be better pulled due to upward traction force;
(3) According to the utility model, through the design of the supporting mechanisms and the limiting rings, the steel wire ropes can be supported simultaneously by the supporting mechanisms, so that the length of the steel wire ropes between the two supporting mechanisms is shorter, and the steel wire ropes at the middle positions can be in a tensioning state completely;
(4) According to the utility model, through the combined use of the first fixing mechanism, the second fixing mechanism and the fixing bolt, after the wire rope is in a tensioning state by using the tightener, the fixing bolt can be used for pressing down and abutting fixing the wire rope, the first fixing mechanism and the second fixing mechanism can be used for winding on the rotating rod, and after winding is completed, the rotating rod is fixed by the positioning bolt so as to limit the random rotation of the rotating rod, so that the wire rope can be well fixed by virtue of the double fastening structure design, the wire rope in the tensioning state is prevented from loosening under the action of the tension of the safety belt, the better traction effect on the safety belt can be realized, the risks of falling down a building from high altitude and the like are avoided, and the construction safety is improved.
Drawings
Fig. 1 is a schematic structural diagram of a high-altitude falling prevention device for constructing an anti-collision guardrail according to an embodiment of the utility model;
FIG. 2 is a cross-sectional view of a high-altitude falling prevention device for constructing an anti-collision guardrail provided by the embodiment of the utility model;
FIG. 3 is a schematic structural view of a fixed disk according to an embodiment of the present utility model;
FIG. 4 is an enlarged partial schematic view of portion A of FIG. 2;
in the figure: 1. a support mechanism; 101. a first support tube; 102. a second support tube; 2. a crash barrier template; 3. a limiting ring; 4. a wire rope; 5. a limiting piece; 6. a fixed plate; 7. a rotating lever; 8. a rotating disc; 9. positioning bolts; 10. a handle; 11. positioning screw holes; 12. a fixing bolt; 13. bolt holes.
Detailed Description
In order to more clearly illustrate the embodiments of the present utility model and the design thereof, the drawings required for the embodiments will be briefly described below. The drawings in the following description are only some of the embodiments of the present utility model and other drawings may be made by those skilled in the art without the exercise of inventive faculty.
As shown in fig. 1 to 4, the high-altitude falling prevention device for constructing a crash barrier provided by the embodiment of the utility model includes:
the supporting mechanisms 1 are uniformly and vertically arranged on the road surface outside the anti-collision guardrail template 2 at intervals, and the distance between the adjacent supporting mechanisms 1 is 5m;
the limiting rings 3 are arranged at the tops of the supporting mechanisms 1 in a one-to-one correspondence manner;
the steel wire rope 4, one end of the steel wire rope 4 sequentially passes through each limiting ring 3 and is connected with the supporting mechanism 1 on the last limiting ring 3 through a first fixing mechanism, and the other end of the steel wire rope 4 is connected with the supporting mechanism 1 on the first limiting ring 3 through a second fixing mechanism;
the first fixing mechanism and the second fixing mechanism are identical in structure.
Specifically, when the device is operated, the two ends of the steel wire rope 4 are tensioned by using a tightener, then the fixing bolt 12 is screwed into the bolt hole 13 until the head of the fixing bolt 12 is tightly abutted against the steel wire rope 4, then the two ends of the steel wire rope 4 are respectively wound on the corresponding rotating rods 7, then the rotating handle 10 drives the rotating disc 8 and the rotating rods 7 to rotate together, the steel wire rope 4 is gradually wound on the rotating rods 7 until the two ends of the steel wire rope 4 are tensioned, then the positioning bolt 9 passes through the rotating disc 8 and is in threaded connection with the corresponding positioning bolt hole 11, limiting of the rotating rods 7 is realized, random rotation of the rotating rods 7 is avoided, good fixing of the steel wire rope 4 can be realized, loosening of the steel wire rope in a tensioned state due to the action of tension of a safety belt is avoided, better traction effect on the safety belt can be realized, risks such as falling down a building from high altitude are avoided, and construction safety is improved.
Each supporting mechanism 1 comprises a first supporting tube 101 and a second supporting tube 102, the first supporting tube 101 is vertically arranged on the road surface outside the anti-collision guardrail template 2, the first supporting tube 101 can be fixed in a welding mode, the bottom of the second supporting tube 102 is spliced with the top of the first supporting tube 101, a limiting ring 3 is arranged at the top of the second supporting tube 102, the limiting ring 3 is a circular limiting ring, and the limiting ring can be welded at the top of the supporting tube 102.
The bottom inner side of the first supporting tube 101 is provided with a limiting piece 5 matched with the inner structure of the first supporting tube 101, and the bottom of the second supporting tube 102 is arranged at the top of the limiting piece 5. The limiting piece 5 can be formed by directly pouring concrete to the bottom inside the first supporting tube 101, the bottom of the first supporting tube 101 can be sealed through the design of the limiting piece 5, and the second supporting tube 102 can be firmly inserted into the first supporting tube 101, so that the length of the second supporting tube 102 positioned at the outer side part of the first supporting tube 101 can be 1.5m.
The length of the second support tube 102 located at the outer portion of the first support tube 101 is 1.5m. This high design can make wire rope's height be located constructor's head basically to will not cause the influence to constructor's removal.
The first fixing mechanism comprises a fixed disc 6, a rotating rod 7 and a rotating disc 8, wherein the fixed disc 6 is welded on the side surface of the first supporting tube 101, the rotating rod 7 is rotationally connected with the side surface, far away from the first supporting tube 101, of the fixed disc 6 through a rotating shaft, the rotating disc 8 is fixedly connected with the movable end of the rotating rod 7, the movable end of the steel wire rope 4 is wound on the rotating rod 7, and a positioning assembly used for limiting the rotation of the rotating rod 7 is arranged between the fixed disc 6 and the rotating disc 8. Be provided with handle 10 on the rolling disc 8, through the design of handle 10, can be convenient for rotate rolling disc 8 and dwang 7 to can be convenient for wire rope 4 twine on dwang 7, realize the fixed to wire rope 4.
The locating component comprises a locating bolt 9 and a plurality of locating screw holes 11, wherein the locating screw holes 11 are uniformly arranged on the side face of the fixed disc 6 at intervals along the circumferential direction, the locating screw holes 11 are matched with the locating bolt 9, the locating screw holes 11 are positioned around the rotating rod 7, threaded holes through which the locating bolt 9 can pass are formed in the rotating disc 8, and the locating bolt 9 penetrates through the rotating disc 8 and is in threaded connection with the corresponding locating screw hole 11 to fix the rotating disc 8 and the rotating rod 7.
The top of spacing ring 3 has seted up the bolt hole 13 that is linked together with spacing ring 3 inside, and bolt hole 13 internal thread connection has fixing bolt 12, and fixing bolt 12's tip is inconsistent with wire rope 4.
When the anti-high-altitude falling device for the construction of the anti-collision guardrail provided by the embodiment of the utility model is used, the device is firstly installed, and specifically comprises the following components: one end of the steel wire rope 4 sequentially passes through each limiting ring 3, after passing through the last limiting ring 3, the two ends of the steel wire rope 4 are tensioned by using a tightener, then the fixing bolt 12 is screwed into the bolt hole 13 until the head of the fixing bolt 12 tightly abuts against the steel wire rope 4, then the two ends of the steel wire rope 4 are respectively wound on the corresponding rotating rods 7, then the rotating handle 10 drives the rotating disc 8 and the rotating rods 7 to rotate together, the steel wire rope 4 is gradually wound on the rotating rods 7 until the two ends of the steel wire rope 4 are tensioned, then the positioning bolt 9 passes through the rotating disc 8 and is in threaded connection with the corresponding positioning screw hole 11, limiting of the rotating rods 7 is achieved, random rotation of the rotating rods 7 is avoided, accordingly good fixing of the steel wire rope 4 can be achieved, namely installation of the device is achieved, constructors can hang the safety belt on the steel wire rope 4 in a mailing mode, then longitudinally move on the anti-collision guardrail templates 4, casting or vibrating high-altitude building risks and the like are avoided, and construction safety is improved.
In summary, the anti-high-altitude falling device for the construction of the anti-collision guardrail provided by the embodiment of the utility model can enable the height of the steel wire rope to be basically positioned at the head of a constructor by designing the length of the second supporting tube positioned at the outer side part of the first supporting tube to be 1.5m, so that the movement of the constructor is not influenced, and the safety belt can be better pulled due to upward traction force; simultaneously through the design of a plurality of supporting mechanisms and spacing ring, can utilize a plurality of supporting mechanisms to support wire rope simultaneously, so the length of wire rope that is located between two supporting mechanisms is shorter, so make the wire rope that is located intermediate position can be in taut state completely, constructor can send the safety belt and hang on wire rope, then vertically remove at will on the anticollision barrier template, increased the flexibility of construction, and owing to receive the restriction of wire rope traction force, can avoid falling, improved the security of construction.
The above embodiments are merely preferred embodiments of the present utility model, and the scope of the present utility model is not limited thereto, and any simple changes or equivalent substitutions of technical solutions that can be obviously obtained by those skilled in the art within the technical scope of the present utility model disclosed herein are all within the scope of the present utility model.
Claims (6)
1. High altitude falling device is prevented in construction of anticollision barrier, a serial communication port, include:
the supporting mechanisms (1) are vertically arranged on the road surface outside the anti-collision guardrail template (2) at uniform intervals;
the limiting rings (3) are arranged at the tops of the supporting mechanisms (1) in a one-to-one correspondence manner;
one end of the steel wire rope (4) sequentially penetrates through each limiting ring (3) and is connected with the supporting mechanism (1) on the last limiting ring (3) through a first fixing mechanism, and the other end of the steel wire rope (4) is connected with the supporting mechanism (1) on the first limiting ring (3) through a second fixing mechanism;
the first fixing mechanism and the second fixing mechanism are identical in structure.
2. The anti-high-altitude falling device for construction of anti-collision guardrails according to claim 1, wherein each supporting mechanism (1) comprises a first supporting tube (101) and a second supporting tube (102), the first supporting tube (101) is vertically arranged on the road surface outside the anti-collision guardrails template (2), the bottom of the second supporting tube (102) is inserted with the top of the first supporting tube (101), and the limiting ring (3) is arranged on the top of the second supporting tube (102).
3. The anti-collision guardrail construction high-altitude falling prevention device according to claim 2, wherein a limiting piece (5) matched with the internal structure of the first supporting tube (101) is arranged on the inner side of the bottom of the first supporting tube (101), and the bottom of the second supporting tube (102) is arranged at the top of the limiting piece (5).
4. A crash barrier construction fall protection device as claimed in claim 3, characterized in that the second support tube (102) is located at a length of 1.5m at the outer part of the first support tube (101).
5. The anti-collision guardrail construction high-altitude falling prevention device according to claim 2, wherein the first fixing mechanism comprises a fixing disc (6), a rotating rod (7) and a rotating disc (8), the fixing disc (6) is arranged on the side face of the first supporting tube (101), the rotating rod (7) is rotationally connected with the side face, far away from the first supporting tube (101), of the fixing disc (6), the rotating disc (8) is fixedly connected with the movable end of the rotating rod (7), the movable end of the steel wire rope (4) is wound on the rotating rod (7), and a positioning assembly used for limiting the rotation of the rotating rod (7) is arranged between the fixing disc (6) and the rotating disc (8).
6. The anti-collision guardrail construction high-altitude falling prevention device according to claim 1, wherein a bolt hole (13) communicated with the inside of the limiting ring (3) is formed in the top of the limiting ring (3), a fixing bolt (12) is connected to the bolt hole (13) in a threaded manner, and the end part of the fixing bolt (12) is abutted against the steel wire rope (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223081795.2U CN218989901U (en) | 2022-11-21 | 2022-11-21 | High altitude falling prevention device for anti-collision guardrail construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223081795.2U CN218989901U (en) | 2022-11-21 | 2022-11-21 | High altitude falling prevention device for anti-collision guardrail construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218989901U true CN218989901U (en) | 2023-05-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223081795.2U Active CN218989901U (en) | 2022-11-21 | 2022-11-21 | High altitude falling prevention device for anti-collision guardrail construction |
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| Country | Link |
|---|---|
| CN (1) | CN218989901U (en) |
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- 2022-11-21 CN CN202223081795.2U patent/CN218989901U/en active Active
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