CN210393426U

CN210393426U - Straddle type monorail contact rail operation platform lifting appliance

Info

Publication number: CN210393426U
Application number: CN201921045707.9U
Authority: CN
Inventors: 李育冰; 向伟; 蒙杰; 刘明铭; 张裔; 安小旭; 周振平; 胡闯; 任佳星; 曹青; 温晶波
Original assignee: China Railway Electrification Engineering Group Co Ltd
Current assignee: China Railway Electrification Engineering Group Co Ltd
Priority date: 2019-07-05
Filing date: 2019-07-05
Publication date: 2020-04-24
Anticipated expiration: 2029-07-05

Abstract

The utility model discloses a straddle type monorail conductor rail work platform hoist mainly comprises one-position upper supporting seat, one-position folding pipe subassembly, two-position upper supporting seat, two-position folding pipe subassembly, bottom end rail, one-position safety hook, two-position safety hook, one-position tip rail grabbing ware, two-position tip rail grabbing ware, hand capstan winch, rings, fixed beam frame, one-position wire rope, one-position clamping rail claw, two-position wire rope, two-position clamping rail claw and conductor rail. The first upper supporting seat and the second upper supporting seat are fixed with the side surface of the contact rail operation platform; the top of the fixed beam frame is fixedly connected through a hand winch steel wire, two ends of the fixed beam frame are respectively connected with a first falling protector and a second falling protector, and a first clamping rail claw and a second clamping rail claw are respectively connected with two ends of the fixed beam frame through a first steel wire rope and a second steel wire rope; the one-position end rail grabbing device and the two-position end rail grabbing device are respectively connected with the one-position falling protector and the two-position falling protector through the steel wire ropes, and deformation caused by insufficient rigidity in the lifting process of the contact rail is avoided.

Description

Straddle type monorail contact rail operation platform lifting appliance

Technical Field

The utility model relates to a straddle type monorail vehicle contact rail installation field, concretely relates to straddle type monorail contact rail operation platform hoist.

Background

The straddle type monorail transit system has the characteristics of strong adaptability, low noise, small turning radius, strong climbing capability, small construction occupied area, low manufacturing cost and the like, and is a unique urban rail transit system with medium traffic volume. The invention relates to a special lifting appliance capable of preventing the lifting deformation and the swinging of a contact rail, which is designed to realize the vertical lifting of the contact rail from the ground to the mounting position of a track bridge and has certain wind resistance and avoid the large-amplitude swinging in the lifting process.

Disclosure of Invention

The utility model provides a straddle type monorail contact rail operation platform lifting appliance, which aims to overcome the defects that the contact rail is seriously deformed and the rail surface is scratched by left and right swinging when the contact rail is lifted at high altitude in the prior art. Vertical hoisting is carried out by adopting a rigid folding mechanism, and a plurality of hoisting points are arranged to clamp the contact rail to realize insufficient rigidity deformation of the contact rail in the high-altitude hoisting process.

The utility model provides a straddle type monorail conductor rail work platform hoist mainly comprises one-position upper supporting seat, one-position folding pipe subassembly, two-position upper supporting seat, two-position folding pipe subassembly, bottom end rail, one-position safety hook, two-position safety hook, one-position tip rail grabbing ware, two-position tip rail grabbing ware, hand capstan winch, rings, fixed beam frame, one-position wire rope, one-position clamping rail claw, two-position wire rope, two-position clamping rail claw and conductor rail.

The first upper supporting seat and the second upper supporting seat are formed by welding high-quality steel and are composed of large U-shaped steel, small U-shaped steel and fixed stand columns, the small U-shaped steel is welded and fixed on one side of the inner side of the large U-shaped steel, and the fixed stand columns are welded and fixed at positions, close to the end parts, of the large U-shaped steel; one-bit upper supporting seat and two-bit upper supporting seat are assembled together with one-bit folding pipe assembly and two-bit folding pipe assembly upper end respectively, one-bit folding pipe assembly and two-bit folding pipe assembly are assembled into scissors fork mechanism by 2 groups of one-bit side pipe, 2 groups of two-bit side pipe, 2 groups of fixed end bolts, a plurality of three-bit side pipe, 2 rolling bearings and a plurality of movable pin shafts respectively, and one-bit folding pipe assembly and two-bit folding pipe assembly lower extreme pass through the fixed end bolt fastening with the bottom end rail and are in the same place.

The lower cross beam is composed of a lifting ring seat, a mounting plate, a large U-shaped groove, a small U-shaped groove, a fixed upright post and a guide hole sleeve, the parts are welded and combined parts, and the lifting ring seat is welded and fixed in the center of the large U-shaped groove and is mainly used for mounting a lifting ring; the mounting plate is arranged on the left side of the lifting ring seat, is welded and fixed with the large U-shaped groove and is mainly used for mounting a hand winch; the small U-shaped groove is welded and fixed at the position, close to the inner side edge of the end part, of the large U-shaped groove, and the other end of the small U-shaped groove is symmetrically arranged; the fixed upright posts are welded and fixed at the positions, close to the end parts of one ends, of the bottoms of the large U-shaped grooves, and the fixed upright posts are arranged at symmetrical positions of the other ends of the large U-shaped grooves; the guide hole sleeve is welded and fixed at the middle position of the outer side of the bottom surface of the large U-shaped groove, and mainly has the functions of positioning and preventing rotation after the fixed beam frame is retracted.

The top of the one-position falling protector and the top of the two-position falling protector are respectively connected with mounting holes at two ends of the fixed beam frame, the lower steel wire rope is respectively fixedly mounted with a one-position end rail grabbing device and a two-position end rail grabbing device connecting hole, when the contact rail lifts, due to the self weight, the two ends can droop, the one-position end rail grabbing device and the two-position end rail grabbing device respectively clamp two ends of the contact rail, the end part droop of the contact rail is prevented, and the deformation of the contact rail is effectively reduced.

The one-position end rail grabbing device and the two-position end rail grabbing device are composed of a lower grab, an upper grab and a central pin shaft, the lower grab and the upper grab are assembled together through the central pin shaft, when two ends of the contact rail are respectively clamped into the one-position end rail grabbing device and the two-position end rail grabbing device, the upper grab is clamped downwards to rotate to press the contact rail during lifting, and the clamping function is completed.

The fixed beam frame is composed of a square tube, a first-position mounting seat, a second-position mounting seat and a guide block, the first-position mounting seat and the second-position mounting seat are welded and fixed at two end parts of the square tube and are mainly used for connecting a first-position falling protector and a second-position falling protector, and the bottoms of the first-position mounting seat and the second-position mounting seat are respectively provided with a hole for mounting a first-position steel wire rope and a second-position steel wire rope; the guide block is fixedly welded on the center of the square tube, and when the fixed beam frame is retracted, the guide block is inserted into the guide hole sleeve on the lower beam, so that the fixed beam frame is limited to rotate randomly.

The first-position rail clamping claw and the second-position rail clamping claw are respectively composed of a front claw, a rear claw, a central movable pin shaft, a front claw pin shaft and a rear claw pin shaft, the front claw pin shaft is mounted on the front claw, an anti-skidding elastic surface is arranged on the inner side surface of the front claw, and the front claw pin shaft is fixed with one end of the first-position steel wire rope and one end of the second-position steel wire rope; a rear claw pin shaft is arranged on the rear claw, an anti-skidding elastic surface is arranged on the inner side surface of the rear claw, and the rear claw pin shaft is fixed with the other ends of the first-position steel wire rope and the second-position steel wire rope; the central movable pin shaft combines the front claw and the rear claw together to be used as a rotating shaft.

Compared with the prior art, the utility model has the advantages and effects that: the scissor fork mechanism is adopted to realize that the contact rail is vertically lifted without swinging, so that the lifting swinging scratch phenomenon in the prior art is avoided; the end parts of the contact rails are clamped by combining the falling protector and the end rail grabbing device, so that the two end parts of the contact rails are prevented from drooping in the hoisting process in the prior art, the deformation caused by the self weight of the contact rails is effectively prevented, the installation and adjustment time of the contact rails is greatly reduced, the installation efficiency is improved, and the potential safety hazard is reduced.

Drawings

Fig. 1 is a general structural schematic diagram of a straddle type monorail conductor rail operation platform hanger.

Fig. 2 is a schematic structural view of the one-position upper supporting seat and the two-position upper supporting seat.

Fig. 3 is a schematic view of a one-position folding tube assembly and a two-position folding tube assembly.

Fig. 4 is a schematic structural view of the lower beam.

FIG. 5 is a schematic structural view of the one-position end rail grabber and the two-position end rail grabber.

Fig. 6 is a schematic structural view of the fixed beam frame.

FIG. 7 is a schematic view of a one-position and two-position clamping rail claws.

Detailed Description

The present invention is described in further detail below with reference to the attached drawing figures.

Fig. 1 shows an overall structural schematic diagram of a straddle-type monorail operation platform sling provided by the invention, which mainly comprises a one-position upper support seat 1, a one-position folding pipe component 2, a two-position upper support seat 3, a two-position folding pipe component 4, a lower beam 5, a one-position falling protector 6, a two-position falling protector 7, a one-position end rail grabbing device 8, a two-position end rail grabbing device 9, a hand winch 10, a hanging ring 11, a beam fixing frame 12, a one-position steel wire rope 13, a one-position rail clamping claw 14, a two-position steel wire rope 15, a two-position rail clamping claw 16 and a contact rail 17. The small U-shaped groove in the upper supporting seat 1 is matched and assembled with the rolling bearing 205 in the folding tube component 2, and the fixed upright 1002 in the upper supporting seat 1 is matched and connected with the fixed end bolt 203 in the folding tube component 2; the two-position upper supporting seat 3 and the two-position folding pipe component 4 are installed in the same way as the one-position upper supporting seat 1 and the one-position folding pipe component 2; a hand winch 10 and a hanging ring 11 are arranged above the lower cross beam 5, the parts close to the ends of the hand winch are assembled with the lower parts of the one-position folding pipe assembly 2 and the two-position folding pipe assembly 4, and the lower part of the lower cross beam 5 is assembled with a fixed beam frame 12; the upper end part of the fixed beam frame 12 is respectively provided with a first mounting seat 1201 and a second mounting seat 1203, the upper part of the first mounting seat 1201 is connected with the top of a first falling protector 6, the lower part of the first mounting seat 1201 is connected with a first clamping rail claw 14 through a first steel wire rope 13, the upper part of the second mounting seat 1203 is connected with the top of a second falling protector 7, and the lower part of the second mounting seat 1203 is connected with a first clamping rail claw 16 through a first steel wire rope 15; the first-position end rail grabber 8 and the second-position end rail grabber 9 are respectively connected with the lower parts of the first-position falling protector 6 and the second-position falling protector 7, then the two ends of the contact rail 17 are clamped, and meanwhile, the first-position rail clamping claw 14 and the second-position rail clamping claw 16 grab the middle part of the contact rail 17 to form 4 lifting points.

Fig. 2 is a schematic structural view of the one-position upper support seat and the two-position upper support seat provided by the present invention, which mainly comprises a large U-shaped steel 1001, a small U-shaped steel 1003 and a fixing post 1002, wherein the small U-shaped steel 1003 is welded and fixed on one side of the inner side of the large U-shaped steel 1001, and the fixing post 1002 is welded and fixed on the position of the end part of the large U-shaped steel 1003.

Fig. 3 is a schematic structural view of a one-position folding pipe assembly and a two-position folding pipe assembly according to the present invention, which is assembled into a scissor fork mechanism by 2 sets of one-position square pipes 201, 2 sets of two-position square pipes 202, 2 sets of fixed end bolts 203, a plurality of three-position square pipes 204, 2 rolling bearings 205, and a plurality of movable pin shafts 206.

Fig. 4 is a schematic view of a lower cross beam structure provided by the present invention, which is composed of a suspension ring seat 501, a mounting plate 502, a large U-shaped groove 503, a small U-shaped groove 504, a fixing upright 505 and a guiding hole sleeve 506, where the components are welded and combined, and the suspension ring seat 501 is welded and fixed in the center of the large U-shaped groove 503, and is mainly used for mounting a suspension ring 11; the mounting plate 502 is arranged on the left side of the lifting ring seat 501, is welded and fixed with the large U-shaped groove 503, and is mainly used for mounting the hand winch 10; the small U-shaped groove 504 is welded and fixed at the position, close to the inner side edge of the end part, of the large U-shaped groove 503, and the other end of the small U-shaped groove is symmetrically arranged; the fixed upright posts 505 are welded and fixed at the bottom of the large U-shaped groove 503 near the end of one end, and the fixed upright posts 505 are arranged at the symmetrical positions of the other end; the guide hole sleeve is welded and fixed at the middle position of the outer side of the bottom surface of the large U-shaped groove 503, and mainly has the functions of positioning and preventing rotation after the fixed beam frame 12 is retracted.

Fig. 5 is a schematic structural view of the one-position end rail grabber and the two-position end rail grabber provided by the present invention, which is composed of a lower grabber 8001, an upper grabber 8003 and a center pin 8002, wherein the lower grabber 8001 and the upper grabber 8003 are assembled together through the center pin 8002, when two ends of the contact rail 17 are respectively clamped into the one-position end rail grabber 8 and the two-position end rail grabber 9, during hoisting, the upper grabber 8003 downwardly grabs 8001 to rotate and compress the contact rail 17, thereby completing the clamping function.

Fig. 6 is a schematic structural view of a fixed beam frame provided by the present invention, which is composed of a square pipe 1204, a first mounting seat 1201, a second mounting seat 1203 and a guide block 1202, wherein the first mounting seat 1201 and the second mounting seat 1203 are welded and fixed at two ends of the square pipe 1204, and are mainly used for connecting a first safety catch 6 and a second safety catch 7, and the bottoms of the first mounting seat 1201 and the second mounting seat 1203 are respectively provided with a hole for installing a first steel wire rope 13 and a second steel wire rope 15; the guide block 1202 is fixedly welded on the center of the square tube 1204, and when the fixed beam frame 12 is retracted, the guide block 1202 is inserted into the guide hole sleeve 506 on the lower beam 5, so that the fixed beam frame 12 is limited to rotate freely.

Fig. 7 is a schematic structural view of a one-position track jaw and a two-position track jaw provided by the present invention, which is composed of a front jaw 1401, a rear jaw 1402, a central movable pin 1403, a front jaw pin 1405 and a rear jaw pin 1404, wherein the front jaw 1401 is provided with the front jaw pin 1405, the inner side surface of the front jaw 1401 is provided with an anti-skid elastic surface, and the front jaw pin 1405 is fixed with one end of a one-position steel wire rope 13 and one end of a two-position steel wire rope 15; a rear claw pin shaft 1404 is arranged on the rear claw 1402, an anti-skidding elastic surface is arranged on the inner side surface of the rear claw 1402, and the rear claw pin shaft 1404 is fixed with the other ends of the one-position steel wire rope 13 and the two-position steel wire rope 15; the central movable pin 1403 combines the front jaw 1401 and the rear jaw 1402 together as a rotation shaft.

Claims

1. A straddle type monorail conductor rail operation platform lifting appliance is characterized by mainly comprising a one-position upper supporting seat (1), a one-position folding pipe assembly (2), a two-position upper supporting seat (3), a two-position folding pipe assembly (4), a lower cross beam (5), a one-position falling protector (6), a two-position falling protector (7), a one-position end rail grabbing device (8), a two-position end rail grabbing device (9), a hand winch (10), a lifting ring (11), a beam fixing frame (12), a one-position steel wire rope (13), a one-position rail clamping claw (14), a two-position steel wire rope (15), a two-position rail clamping claw (16) and a conductor rail (17), the small U-shaped groove (1003) in the upper supporting seat (1) is matched and assembled with the rolling bearing (205) in the folding pipe assembly (2), and the fixed upright post (1002) in the upper supporting seat (1) is matched and connected with the fixed end bolt (203) in the folding pipe assembly (2); the two-position upper supporting seat (3) and the two-position folding pipe component (4) are installed in the same way as the one-position upper supporting seat (1) and the one-position folding pipe component (2); a hand winch (10) and a hanging ring (11) are arranged above the lower cross beam (5), the end part close to the hand winch is assembled with the lower parts of the one-position folding pipe assembly (2) and the two-position folding pipe assembly (4), and the lower part of the lower cross beam (5) is assembled with the fixed beam frame (12); the upper end of the fixed beam frame (12) is respectively provided with a first mounting seat (1201) and a second mounting seat (1203), the upper part of the first mounting seat (1201) is connected with the top of a first falling protector (6), the lower part of the first mounting seat (1201) is connected with a first rail clamping claw (14) through a first steel wire rope (13), the upper part of the second mounting seat (1203) is connected with the top of a second falling protector (7), and the lower part of the second mounting seat (1203) is connected with a first rail clamping claw (16) through a first steel wire rope (15); the one-position end rail grabbing device (8) and the two-position end rail grabbing device (9) are respectively connected with the lower parts of the one-position falling protector (6) and the two-position falling protector (7) together, then the two ends of the contact rail (17) are clamped, and meanwhile, the one-position rail clamping claw (14) and the two-position rail clamping claw (16) grab the middle part of the contact rail (17) to form 4 lifting points.

2. The straddle type monorail conductor rail working platform sling according to claim 1, wherein the one-position end rail grabber (8) and the two-position end rail grabber (9) are respectively composed of a lower grab (8001), an upper grab (8003) and a central pin shaft (8002), the lower grab (8001) and the upper grab (8003) are assembled together through the central pin shaft (8002), when two ends of the conductor rail (17) are respectively clamped into the one-position end rail grabber (8) and the two-position end rail grabber (9), and when the straddle type monorail conductor rail working platform sling is lifted, the upper grab (8003) rotates downwards to press the conductor rail (17) to complete a clamping function.

3. The straddle type monorail operation platform hanger of claim 1, wherein the one-position track clamping claw (14) and the two-position track clamping claw (16) are both composed of a front claw (1401), a rear claw (1402), a central movable pin (1403), a front claw pin shaft (1405) and a rear claw pin shaft (1404), the front claw (1401) is provided with the front claw pin shaft (1405), the inner side surface of the front claw (1401) is provided with an anti-skid elastic surface, and the front claw pin shaft (1405) is fixed with one end of the one-position steel wire rope (13) and one end of the two-position steel wire rope (15); a rear claw pin shaft (1404) is mounted on the rear claw (1402), an anti-skidding elastic surface is arranged on the inner side surface of the rear claw (1402), and the rear claw pin shaft (1404) is fixed with the other ends of the one-position steel wire rope (13) and the two-position steel wire rope (15); the central movable pin (1403) combines the front claw (1401) and the rear claw (1402) together to be used as a rotating shaft.