CN-122009950-A - Protective fence hoisting jig

Abstract

The invention belongs to the technical field of lifting of protective fence, and solves the problems of poor lifting stability and low efficiency of the protective fence in the prior art; the device comprises a hanging wheel, a hanging rope hung on the hanging wheel, a high-position hanging frame connected with the higher end of the hanging rope, a low-position hanging frame arranged on one side of the high-position hanging frame, a connecting component which is used for rotationally connecting the high-position hanging frame with the low-position hanging frame and connecting the lower end of the hanging rope with the low-position hanging frame, wherein the height of the high-position hanging frame is larger than that of the low-position hanging frame, and the connecting component enables the high-position hanging frame and the low-position hanging frame to have a hanging state of being locked back to back and a butt joint state of being distributed in the front-back direction of the length direction of the protective fence.

Inventors

• BAI YUHU
• ZHANG HAOBO
• TAN HUILING
• FAN GUOYANG
• LV XIANGMING
• ZHANG ZEFENG
• ZHAO JUN
• CAI JING
• YI CHENGHAO
• YANG MINGXIU
• ZHANG YANG
• WANG ZIHAN
• XU ZHIXIN
• ZHOU PENG
• DUO WEIMIN
• TAN XU
• ZHANG HEYU
• FU ZHONGYANG

Assignees

• 中铁三局集团有限公司
• 中铁三局集团第五工程有限公司

Dates

Publication Date

20260512

Application Date

20260407

Claims (8)

1. 1. A protective fence hoisting jig is characterized by comprising a hanging wheel (1) capable of being connected with a crane, a sling (2) hung on the hanging wheel (1), a high-position hanging bracket (3) connected with the higher end of the sling (2) and supported on the lower surface of a protective fence top beam by being inserted into a strip-shaped hole of the protective fence, a low-position hanging bracket (4) arranged on one side of the high-position hanging bracket (3) and supported on the lower surface of the protective fence top beam by being inserted into a strip-shaped hole of the other protective fence, and a connecting component for rotationally connecting the high-position hanging bracket (3) with the low-position hanging bracket (4) and connecting the lower end of the sling (2) with the low-position hanging bracket (4), wherein the height of the high-position hanging bracket (3) is larger than that of the low-position hanging bracket (4), and the connecting component enables the high-position hanging bracket (3) and the low-position hanging bracket (4) to have a hoisting state locked back to back and a butting state distributed forwards and backwards in the length direction of the protective fence; The high-level hanging frame (3) comprises a high-level cross beam (301) and a high-level hanging arm (302), wherein the high-level hanging arm (302) is fixedly arranged at two ends of the high-level cross beam (301), the low-level hanging frame (4) comprises a low-level cross beam (401) and a low-level hanging arm (402), the low-level hanging arm (402) is fixedly arranged at two ends of the low-level cross beam (401), the connecting component is arranged between the high-level hanging arm (302) and the low-level hanging arm (402), and one higher end of the sling (2) is connected with the top end of the high-level hanging arm (302); the high-level hanging frame (3) further comprises a high-level telescopic arm (303) which can be installed in the high-level hanging frame (302) in a lifting manner, the low-level hanging frame (4) further comprises a low-level telescopic arm (403) which can be installed in the low-level hanging frame (402) in a lifting manner, the connecting component is arranged between the high-level hanging frame (302) and the low-level telescopic arm (403), one higher end of the sling (2) is connected with the top end of the high-level telescopic arm (303), and the high-level hanging frame (302) is fixedly connected with the low-level hanging frame (402); The bottom of high-order telescopic boom (303) and low-order telescopic boom (403) all are connected with cable (11), all slidable mounting has splint (12) with cable (11) fixed connection on high-order davit (302) and low-order davit (402) horizontal section, all install on the horizontal section of high-order davit (302) and low-order davit (402) and support and lean on stopper (13) of splint (12) towards cable (11) one side, when high-order davit (302) and low-order davit (402) support the lower surface at protective fence top crossbeam, protective fence top crossbeam pushes down stopper (13) makes stopper (13) and splint (12) break away from.
2. 2. The protective fence hoisting jig according to claim 1, characterized in that the connecting assembly comprises a connecting shaft (5), a connecting plate (6), a clamping groove (7) and a clamping block (8), wherein the connecting shaft (5) is vertically fixed at one end of the low-position hoisting frame (4), the connecting plate (6) is slidably sleeved on the high-position hoisting frame (3) in the height direction, the connecting plate (6) is located above the low-position hoisting frame (4), one lower end of the sling (2) is fixedly connected with the connecting plate (6), the clamping groove (7) is arranged at one side, facing the low-position hoisting frame (4), of the bottom of the connecting plate (6), the clamping block (8) is fixedly arranged at the top end of the low-position hoisting frame (4), and the clamping groove (7) is sleeved on the clamping block (8), and the high-position hoisting frame (3) and the low-position hoisting frame (4) are switched to a butting state from a hoisting state, and the clamping groove (7) is separated from the clamping block (8).
3. 3. The protective fence hoisting jig according to claim 2, wherein the connecting assembly further comprises a lock rod (9), the lock rod (9) is rotatably mounted on the connecting plate (6), the lock rod (9) comprises a locking end (901) contacting one side of the low-level hoisting frame (4) far away from the high-level hoisting frame (3), a mounting part (902) rotatably penetrating the connecting plate (6) and a triggering end (903) propped against the side of the high-level hoisting frame (3) by the high-level hoisting frame (3), the locking end (901) contacts one side of the low-level hoisting frame (4) far away from the high-level hoisting frame (3), the high-level hoisting frame (3) and the low-level hoisting frame (4) are locked in a hoisting state, and after the triggering end (903) is separated from the high-level hoisting frame (3), the lock rod (9) rotates under the action of self-bias so that the triggering end (903) is separated from the low-level hoisting frame (4).
4. 4. The protective fence hoisting jig according to claim 2, wherein the connecting assembly further comprises a sliding sleeve (10) fixedly installed at the bottom of the connecting plate (6), one end of the sliding sleeve (10) facing the high-position hanging frame (3) is slidably sleeved on the high-position hanging frame (3), one side of the sliding sleeve (10) facing the low-position hanging frame (4) is set to be in an open state, and the clamping groove (7) is formed in the top of one side of the sliding sleeve (10) facing the low-position hanging frame (4).
5. 5. A guard fence lifting jig as claimed in claim 1 characterised in that transverse springs (14) are provided in the transverse sections of the high boom (302) and the low boom (402), the ends of the transverse springs (14) facing the clamp plates (12) being connected to the clamp plates (12) for maintaining the clamp plates (12) furthest from the vertical sections of the high boom (302) and the low boom (402) in the initial state.
6. 6. The protective fence hoisting jig according to claim 1, wherein vertical springs (15) are arranged on the lateral sides of the transverse sections of the high-position suspension arm (302) and the low-position suspension arm (402), and the top ends of the vertical springs (15) are connected with the stop blocks (13).
7. 7. The protective fence hoisting jig according to claim 1, wherein through grooves (16) are formed in the transverse sections of the high-position suspension arm (302) and the low-position suspension arm (402), wheel grooves (17) are formed in two side walls of the through grooves (16), sliding blocks (18) are fixedly arranged at the bottom ends of the clamping plates (12), and a pair of rollers (19) rolling in the wheel grooves (17) are arranged on two sides of the sliding blocks (18).
8. 8. The protective fence hoisting jig according to claim 1, wherein one suspension wheel (1) and one sling (2) are arranged on two sides of the length direction of the protective fence, the two suspension wheels (1) are connected through a suspension beam (20), and the suspension wheels (1) are connected with a crane through the suspension beam (20).

Description

Protective fence hoisting jig Technical Field The invention relates to the technical field of lifting of protective fences, in particular to a protective fence lifting jig. Background In the concrete guardrail installation, base, stand and guard fence in the concrete guardrail all adopt the mode of hoist and mount to install, wherein, because guard fence's pattern is more, common solid platy and grid form structure that has, when adopting diamond to tighten up anchor clamps at present and hoist and mount the operation from, because grid form structure leads to the grip face to reduce, the security of hoist and mount operation, hoist and mount efficiency and installation effectiveness all receive adverse effect, especially when two pin guard fences need be installed in two adjacent stands, the butt joint operation of two pin guard fences also need go on with the help of hoist and mount, consequently, in order to improve guard fence's hoist and mount operation security, hoist and mount efficiency and installation effectiveness, need a guard fence hoist and mount tool that can realize grid form concrete guard fence hoist and mount and butt joint installation fast. Disclosure of Invention In order to solve the technical problems, or at least partially solve the technical problems of lower safety, hoisting efficiency and installation efficiency existing in the prior art when the protective fence is hoisted, the present disclosure provides a protective fence hoisting jig which has the functions of hoisting two protective fences and realizing accurate butt joint of the two protective fences. The invention provides a protective fence hoisting jig which comprises a hanging wheel capable of being connected with a crane, a sling hung on the hanging wheel, a high-position hanging bracket connected with the higher end of the sling and supported on the lower surface of a top beam of a protective fence by being inserted into a strip-shaped hole of the protective fence, a low-position hanging bracket arranged on one side of the high-position hanging bracket and supported on the lower surface of the top beam of the protective fence by being inserted into a strip-shaped hole of another protective fence, a connecting component for rotationally connecting the high-position hanging bracket with the low-position hanging bracket and connecting the lower end of the sling with the low-position hanging bracket, wherein the height of the high-position hanging bracket is larger than that of the low-position hanging bracket, and the connecting component enables the high-position hanging bracket and the low-position hanging bracket to have a hoisting state locked back to back and a butting state distributed forwards and backwards in the length direction of the protective fence; the high-level hanging bracket comprises a high-level cross beam and a high-level hanging arm, and the two ends of the high-level cross beam are fixedly provided with the high-level hanging arm; the low-level hanging bracket comprises a low-level cross beam and a low-level hanging arm, the two ends of the low-level cross beam are fixedly provided with the low-level hanging arm, the connecting component is arranged between the high-level hanging arm and the low-level hanging arm, and the higher end of the sling is connected with the top end of the high-level hanging arm; The high-position hanging frame further comprises a high-position telescopic arm which can be installed in the high-position hanging arm in a lifting manner, the low-position hanging frame further comprises a low-position telescopic arm which can be installed in the low-position hanging arm in a lifting manner, the connecting component is arranged between the high-position hanging arm and the low-position telescopic arm, the higher end of the sling is connected with the top end of the high-position telescopic arm, and the high-position hanging arm and the low-position hanging arm are fixedly connected; The bottom of high-order flexible arm and low-order flexible arm all is connected with the cable, all slidable mounting has the splint with cable fixed connection on high-order davit and the low-order davit horizontal section, all install on the horizontal section of high-order davit and low-order davit and support and lean on the dog of splint orientation cable side, high-order davit and low-order davit support when the lower surface at protective fence top crossbeam, protective fence top crossbeam pushes down the dog makes dog and splint break away from. Optionally, the coupling assembling includes connecting axle, connecting plate, draw-in groove and fixture block, the one end at low position gallows is fixed perpendicularly to the connecting axle, the connecting plate is established at the direction of height slip cap high position gallows is last, just the connecting plate is located low position gallows's top, the lower one end of hoist cable with the connecting plate rigid coupling, the draw-