CN212712395U - Split mounting type hanger rail portal frame for subway tunnel scattered-laying frame rail construction - Google Patents

Abstract

The utility model relates to the technical field of urban rail transit engineering, in particular to a split mounting type hanger rail portal frame for the construction of a scattered paving frame rail of a subway tunnel, which comprises a main beam structure; the walking support legs are fixed on two sides of the main beam structure through bolts, and the walking support legs and the main beam structure are door-shaped or splayed; the monorail trolley takes the lower edge of the rail of the main beam structure as a running rail of the monorail trolley, and the monorail trolley drives the trolley to run by adopting a hand chain to drive an elastic winding reel fixedly installed above the monorail trolley to take up and pay off cables; the chain hoist hangs in single track dolly below through the couple, supplies power through the elasticity winding reel, and the electric switch button of cooperation control panel, control hoist motor just, the rotation in opposite direction accomplishes the hoist and presss from both sides the process of adorning the lift, adopts electric drive's mechanized operation, compares materials such as manpower transport hoist and mount rail, transfer rail support, ditch template, and labour saving and time saving reduces operation personnel intensity of labour more, improves the efficiency of construction.

Description

Split mounting type hanger rail portal frame for subway tunnel scattered-laying frame rail construction

Technical Field

The utility model relates to an urban rail transit engineering technical field is a subway tunnel spreads scattered frame rail construction pin-connected panel hanger rail portal particularly.

Background

At present, in the urban rail transit engineering in China, the construction operation of laying rails is mainly divided into a scattered laying method or a mechanical laying method. When the scattered paving method is adopted for operation, materials such as steel rails, sleepers, fasteners, reinforcing steel bars and the like are conveyed into an underground tunnel by a forklift, and constructors can assemble the rail panel by transversely erecting single I-shaped steel in the tunnel and directly hoisting the steel rails by a hand-pushed monorail trolley and a chain block; this kind of frame rail construction mode machines are simple and crude, can not follow the operation of marcing of tunnel direction, need drop into a large amount of manpowers, and frame rail efficiency of construction is lower, and the machines only use when the equipment section of track, and the effect is single. When the machine laying method is adopted for operation, firstly, the track panel assembly is completed on the ground, the track panel is transported to an operation point by a rail car and a flat car, and a track laying machine carries out track erecting on a temporary track installed in a tunnel; the rail erecting construction mode is only suitable for the rail laying construction by the machine laying method, temporary walking rails need to be installed, and the rail laying machine is large in size and not suitable for the rail laying construction by the scattered laying method.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve the not enough of prior art, a novel subway tunnel loose-spread frame rail construction pin-connected panel hanger rail portal is provided, be applicable to loose-spread method and spread the construction operation of rail, adapt to multiple rail construction operating mode, can be between circular tunnel, the U-shaped tunnel is between the section, the rectangle tunnel is between the section, the station platform is between the section, the hoist and mount operation, can lift by crane the rail, transfer the rail support, materials such as ditch template, need not to walk the rail temporarily, directly walk on tunnel pipe wall and structure bottom plate, adopt electric drive, alleviate operation personnel intensity of labour.

In order to achieve the purpose, the split mounting type hanger rail portal frame for the scattered paving frame rail construction of the subway tunnel is designed, and is characterized by comprising a main beam structure; the walking support legs are fixed on two sides of the main beam structure through bolts, and the walking support legs and the main beam structure are door-shaped or splayed; the monorail trolley takes the lower edge of the rail of the main beam structure as a running rail of the monorail trolley, and the monorail trolley drives the trolley to run by adopting a hand chain to drive an elastic winding reel fixedly installed above the monorail trolley to take up and pay off cables; the chain hoist is hung below the monorail trolley through the hook, power is supplied through the elastic winding reel, the electric switch button of the control panel is matched, the positive and negative rotation of a hoist motor is controlled, and the process of clamping and lifting of the lifting appliance is completed.

The height-adjusting frame is used between the main beam structure and the walking legs, is suitable for working conditions of a rectangular tunnel interval, a station platform interval, an elevated bridge interval and a horseshoe-shaped tunnel interval, adopts a door-shaped structure to carry out operation, is respectively provided with the height-adjusting frame at two sides of the main beam structure, is vertically and fixedly provided with two pairs of walking legs below each pair of height-adjusting frames, and increases the hoisting height of the hanger rail portal frame adopting a door-shaped structure; the main cable winder adopts an elastic cable drum structure, is arranged at the end part of the walking supporting leg and is matched with the movement of the walking supporting leg and the contraction and release of a cable bus by the contraction and release of a spiral spring.

The girder structure comprises I-shaped steel, a limiting block, reinforcing ribs, side plates and a fixing plate, wherein a single I-shaped steel is used as the whole girder structure, the lower edge of the rail of the I-shaped steel is used as the running rail of the monorail trolley, the limiting block is welded and fixed at two ends of the I-shaped steel to limit the motion space of the monorail trolley, the reinforcing ribs are welded at two sides of the waist of the end of the I-shaped steel, the side plates are welded on the reinforcing ribs, the fixing plate is welded on two end faces of the I-shaped steel and is welded and fixed with the section of the side plates, and the I-.

The walking support legs are composed of a motor, a motor base, brackets, an inclined frame, support ribs, main cable lines, walking wheels, a transverse frame, a vertical frame, chain wheels and chains, the walking support legs are installed and arranged by taking the transverse frame and the vertical frame as carriers, the whole walking support legs are of a triangular structure, the vertical frame is fixed on the upper portion of the transverse frame through bolts to form an inverted T-shaped structure, the brackets are fixed on the two sides of the vertical frame through bolts, the other ends of the brackets are fixed on the end portions of the transverse frame through bolts, the inclined frame is welded on the upper end of the vertical frame, the inclined frame and the vertical frame are reinforced through the support ribs, the main cable base is welded on the end portions of the transverse frame and used for fixedly installing a main cable winder, the motor base is welded in the middle of the transverse frame, the driving motor is fixed on the motor.

The monorail trolley consists of a chain, a hand chain wheel, a top plate, reinforcing ribs, a left wall plate (4-5), a right wall plate, a hanging shaft, a driven wheel, a driving wheel, a hanging ring and a gear shaft, wherein the left wall plate and the right wall plate are divided into two parts and are symmetrically arranged on two sides of I-steel, the left wall plate and the right wall plate are fixed by bolts through the hanging shaft, the distance between the left wall plate and the right wall plate can be adjusted by a gasket on the hanging shaft, the top of the left wall plate is fixedly welded with the top plate and the reinforcing ribs, the top plate and the left wall plate are in an inverted L-shaped structure, the driven wheel is fixed in the middle of the left wall plate, the lower end of the left wall plate is fixed with the hanging shaft bolts, the driving wheel and the gear shaft are fixed in the middle of the right wall plate, the driving wheel and the gear shaft are meshed by adopting the, the driving wheel and the driven wheel can run on the lower edge of the I-shaped steel rail.

The elastic winding reel is composed of fixing plates, supporting plates, crosspieces, disks, a main shaft, cables and connector lugs, wherein the two fixing plates are welded at two ends of the bottom of each supporting plate respectively, the crosspieces are welded at the top ends of the supporting plates through U-shaped steel bars, the main shaft is installed in the middle of the supporting plates, a spiral spring and a reversing electric brush are installed inside the main shaft, the disks are fixed on the main shaft, the cables wound on the main shaft are used for driving the main shaft and the disks to rotate, meanwhile, the inside spiral spring contracts to store power for recovering the cables, the elastic winding reel is fixedly installed on a top plate of a monorail trolley through bolts and the fixing plates, and the monorail trolley drives.

The chain hoist couple, the transmission case, the control electronic box, the chain, the control panel, clamp, the hoist motor passes through bolted connection with the transmission case and forms a body structure, the left side lower extreme has hung the chain box, the chain is deposited to inside, the couple is connected in hoist motor upper end through activity hinge joint, clamp hangs in the transmission case below through the chain, the control electronic box is installed to hoist motor right-hand member, through the elevating movement of the button switch control clamp on the control panel of being connected with the control electronic box, the chain hoist is hung on single track dolly through the couple, supply power through the elasticity winding reel, cooperate the electrical switch button on the control panel, the control hoist motor is just, the antiport, accomplish to clamp and adorn elevating movement.

The height-regulating frame is composed of transverse frames, side frames, vertical frames and fixing plates, the transverse frames are used as carriers, a triangular structure is integrally formed, the vertical frames are installed at the upper parts of the transverse frames through bolts, the side frames are installed at two sides of the vertical frames, the side frames are fixedly installed at the end parts of the transverse frames and the top parts of the vertical frames through bolts, the vertical frames are in bolt connection with the fixing plates of the I-shaped steel main beams through threaded holes at the top parts, the transverse frames are of a groove-shaped structure, the fixing plates are welded at the end parts and are in bolt connection with threaded holes in the vertical frames of walking supporting legs, the height-regulating frame is used between the I-shaped steel main beams and the walking supporting legs of the rail hanging door frame, the front and back surfaces of the vertical frames of the height-regulating frame can be in bolt connection with the fixing plates on the I-shaped steel main beams, so that the walking supporting legs are installed inside and outside relative to the, increase the hoist and mount height of hanger rail portal, prevent simultaneously that the condition of empting appears when the hanger rail portal increases back hoist and mount material.

The main cable winder is composed of a fixed support, a main shaft, disks, cables and electric connectors, an elastic wire cable drum is adopted, a spiral spring is used as power to wind and unwind a cable bus, the spiral spring and a movable electric brush are arranged inside the main shaft, two pairs of disks are fixed on the main shaft through bolts, the cables are wound in the middle of the disks, one end of each cable is connected with the electric brush inside the main shaft, the other end of each cable is connected with a three-phase five-wire power supply inside an underground tunnel, the fixed support is composed of steel plates in a welded mode and movably connected with the main shaft through a bearing structure, and the whole main cable winder is installed on a main cable seat at the end portion of a cross frame of.

Compared with the prior art, the utility model, its advantage lies in:

1. compared with manual carrying and hoisting of materials such as steel rails, rail adjusting supports, ditch templates and the like, the mechanical operation driven by electric power is adopted, so that time and labor are saved, the labor intensity of operators is reduced, and the construction efficiency is improved;

2. by adopting a support leg structure with a door shape and a splayed leg shape which are mutually converted and a detachable heightening frame structure, the hanger rail portal frame can adapt to various track laying construction working conditions and can normally advance and lift in a circular tunnel interval, a horseshoe-shaped tunnel interval, a rectangular tunnel interval, a station platform interval and a viaduct interval;

3. the whole lifting rail portal frame is simple in structure, small in size and light in weight, can be directly assembled and disassembled in an underground tunnel, and is suitable for mechanical construction operation of the scattered paving method of the subway tunnel;

4. compared with the construction operation of laying the rails by using a rail laying machine, the temporary walking rail is not required to be installed, and the operation of advancing and hoisting on the wall and the base of the underground tunnel can be directly carried out.

Drawings

FIG. 1(a) is a splayed leg front view of an assembled hanger rail portal;

FIG. 1(b) is a cross-sectional view of a splayed leg of an assembled hanger rail gantry;

FIG. 1(c) is a partial view of a splayed leg of an assembled hanger rail gantry;

FIG. 1(d) is an external front view of a door-shaped walking leg of an assembled hanger rail gantry;

FIG. 1(e) is a side view of the exterior of a door-shaped walking leg of an assembled hanger rail gantry;

FIG. 1(f) is an interior front view of a door-type walking leg of an assembled hanger rail portal;

FIG. 1(g) is an interior side view of a door-type walking leg of an assembled hanger rail gantry;

FIG. 1(h) is a left external mounting right internal mounting front view of a walking leg of an assembled hanger rail gantry;

FIG. 1(i) is a front view of the left inner part and the right outer part of a walking leg of an assembled hanger rail portal;

FIG. 2(a) is a front view of an I-beam main beam;

FIG. 2(b) is a cross-sectional view of the end of an I-beam main beam;

FIG. 3(a) is a vertical mounting elevation of a walking leg;

FIG. 3(b) is an oblique mounting front view of the walking leg;

FIG. 3(c) is a left side view of the walking leg;

FIG. 3(d) is a right side view of the walking leg;

FIG. 4(a) is a front view of the monorail trolley;

FIG. 4(b) is a side view of the monorail trolley;

FIG. 5(a) is a front view of the elastic winding reel;

FIG. 5(b) is a side view of the elastic winding reel;

FIG. 6(a) is a front view of a chain block;

FIG. 6(b) is a side view of the chain block;

FIG. 7(a) is a front view of the general cable reel;

FIG. 7(b) is a side view of the main cable reel;

FIG. 8(a) is a front view of the height adjustment stand;

FIG. 8(b) is a side view of the height adjustment stand;

FIG. 9 is a schematic view of the operation of the hanger rail gantry within the circular tunnel section;

FIG. 10(a) is a schematic view of the operation of the hanger rail gantry to mount the outer leg of the hanger rail in a horseshoe-shaped single-line tunnel section;

FIG. 10(b) is a schematic view of the mounting of the hanger rail gantry within the legs of a horseshoe-shaped single-line tunnel segment;

FIG. 10(c) is a schematic view showing the mixed use of inside and outside installation of the inner supporting legs of the hanger rail portal frame in the horseshoe-shaped double-track tunnel section;

FIG. 11 is a schematic view of the mounting of a boom gate within a rectangular tunnel section;

FIG. 12 is a schematic view showing the mixed use of the outer leg support and the inner leg support of the hanger rail gantry in the station platform area;

fig. 13(a) is a schematic view of the operation of the outer leg mounting of the hanger rail portal frame in the double-line section of the viaduct;

FIG. 13(b) is a schematic view of the operation of the hanger rail gantry in which the legs are externally installed in a single-line section of the viaduct;

FIG. 13(c) is a schematic view showing the use of the hanger rail portal frame with the outer leg and the outer leg mounted in the elevated station;

FIG. 14 is a schematic view of the outer installation of the landing leg of the hanger rail gantry at the civil air defense door;

in the figure: 1-1H-steel main beam 1-2 traveling support legs 1-3 monorail trolley 1-4 elastic winding reel 1-5 loop chain hoist 1-6 general cable winder 1-7 height-adjusting frame;

2-1H-shaped steel 2-2 limiting block 2-3 reinforcing rib 2-4 side plate 2-5 fixing plate;

3-1 driving motor 3-2 motor base 3-3 strut 3-4 inclined frame 3-5 support rib 3-6 main cable seat 3-7 walking wheel 3-8 horizontal frame 3-9 vertical frame 3-10 chain wheel 3-11 chain;

4-1 chain 4-2 hand sprocket 4-3 roof 4-4 reinforcing rib 4-5 left wallboard 4-6 right wallboard 4-7 hanging shaft 4-8 driven wheel 4-9 driving wheel 4-10 hanging ring 4-11 gear shaft;

5-1 fixing plate 5-2 supporting plate 5-3 crosspiece 5-4 disc 5-5 main shaft 5-6 cable 5-7 connector lug;

6-1 hook 6-2 transmission case 6-3 control electric box 6-4 chain box 6-5 chain 6-6 control board 6-7 clamp 6-8 calabash motor;

7-1, a fixing bracket 7-2, a main shaft 7-3, a disc 7-4 and a cable 7-5 are connected with a connector;

8-1 transverse frame 8-2 side frame 8-3 vertical frame 8-4 fixing plate;

9-1 circular tunnel interval;

10-1 horseshoe-shaped single-line tunnel section 10-2 horseshoe-shaped double-line tunnel section 10-3 intermediate wall;

11-1 rectangular tunnel interval;

12-1 station platform interval;

13-1 double-line section of the viaduct 13-2 single-line section of the viaduct 13-3 station section;

14-1 civil air defense door;

Detailed Description

The structure and principle of such a device will be apparent to those skilled in the art from the following further description of the invention with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Example 1: subway tunnel is spread frame rail construction pin-connected panel hanger rail portal structure and is constituteed scattered

In order to achieve the purpose, the assembled hanging rail portal frame for the construction of the scattered paving frame rails of the subway tunnel adopts an assembled structure, mainly comprises an I-shaped steel main beam (1-1), walking support legs (1-2), a monorail trolley (1-3), an elastic winding drum (1-4), a chain hoist (1-5), a total cable winder (1-6) and an elevating frame (1-7), and is in a splayed leg shape or a door shape when the whole machine works, the splayed leg structure is used for the operation of a circular tunnel interval (9-1), the door structure is used for the operation of a rectangular tunnel interval (11-1), a station platform interval (12-1), an elevated bridge interval (13-1) and a horseshoe single-line tunnel interval (10-1), and when the hanging rail portal frame adopts the door shape structure, the elevating frame (1-7) needs to be additionally arranged between the I-shaped steel main beam (1-1) and the walking support legs (1-2) The installation mode of the walking support legs (1-2) and the height-adjusting frames (1-7) on the I-shaped steel girder (1-1) selects the support leg internal or external installation mode according to the interval limit size, wherein the walking support legs (1-2) and the height-adjusting frames (1-7) are used in a mixed mode of internal installation and external installation in a station platform area (12-1), an overhead bridge station area (13-3) and a U-shaped double-line tunnel area (10-2). As shown in fig. 1.

Wherein the I-steel girder (1-1) mainly comprises I-steel (2-1), limit blocks (2-2), reinforcing ribs (2-3), side plates (2-4) and a fixing plate (2-5), a single I-steel (2-1) is used as a whole girder structure, the lower edge of the track of the I-steel (2-1) is used as a running track of a monorail trolley (1-3), the limit blocks (2-2) are welded and fixed at two ends of the I-steel (2-1) to limit the motion space of the monorail trolley (1-3), the reinforcing ribs (2-3) are welded at two sides of the waist of the end of the I-steel (2-1), the side plates (2-4) are welded on the reinforcing ribs (2-3), the fixing plate (2-5) is welded at two end faces of the I-steel (2-1), the cross section of the side plate (2-4) is welded and fixed, and the I-shaped steel (2-1) fixes the walking supporting legs (1-2) or the height-adjusting frame (1-7) at two end parts through bolts on the fixing plate (2-3). As shown in fig. 2.

The walking support leg (1-2) mainly comprises a motor (3-1), a motor base (3-2), a support frame (3-3), an inclined frame (3-4), a support rib (3-5), a main cable (3-6), a walking wheel (3-7), a transverse frame (3-8), a vertical frame (3-9), a chain wheel (3-10) and a chain (3-11). The walking supporting legs (1-2) are arranged by taking transverse frames (3-8) and vertical frames (3-9) as carriers, and the whole body is of a triangular structure. The vertical frames (3-9) are fixed on the upper parts of the cross frames (3-8) through bolts to form an inverted T-shaped structure, the brackets (3-3) are fixed on the two sides of the vertical frames (3-9) through bolts, the other ends of the brackets (3-3) are fixed on the end parts of the cross frames (3-8) through bolts, the upper ends of the vertical frames (3-9) are welded with the inclined frames (3-4), and the inclined frames (3-4) and the vertical frames (3-9) are reinforced through the supporting ribs (3-5). The end part of the cross frame (3-8) is welded with a main cable seat for fixedly mounting a main cable winder (1-6), the middle part of the cross frame (3-8) is welded with a motor seat (3-2), and the driving motor (3-1) is fixed on the motor seat (3-2) through bolts. The output power of the driving motor (3-1) is transmitted to the chain wheel (3-10) and transmitted to the walking wheel (3-7) through the chain (3-11) to drive the whole machine to walk. The walking supporting legs (1-2) are fixed on two sides of a fixing plate (2-5) of the I-shaped steel girder (1-1) through bolt holes of the vertical frames (3-9) or the inclined frames (3-4), and the I-shaped steel girder (1-1) can be in a door-shaped or splayed leg-shaped structure by matching with different fixing positions. As shown in fig. 3.

The monorail trolley (1-3) mainly comprises a chain (4-1), a hand chain wheel (4-2), a top plate (4-3), reinforcing ribs (4-4), a left wall plate (4-5), a right wall plate (4-6), a hanging shaft (4-7), a driven wheel (4-8), a driving wheel (4-9), a hanging ring (4-10) and a gear shaft (4-11). The left wall plate (4-5) and the right wall plate (4-6) are divided into two parts, the two sides of the I-shaped steel (2-1) are symmetrically arranged, the left wall plate (4-5) and the right wall plate (4-6) are fixed through the hanging shafts (4-7) by bolts, and the distance between the left wall plate (4-5) and the right wall plate (4-6) can be adjusted by reducing gaskets on the hanging shafts (4-7). The top of the left wall plate (4-5) is fixedly welded with a top plate (4-3) and a reinforcing rib (4-4), the top plate (4-3) and the left wall plate (4-5) are in an inverted L-shaped structure, a driven wheel (4-8) is fixed in the middle of the left wall plate (4-5), and the lower end of the left wall plate is fixed with a hanging shaft (4-7) through bolts. The driving wheel (4-9) and the gear shaft (4-11) are fixed in the middle of the right wall plate (4-6), the driving wheel (4-9) is meshed with the gear shaft (4-11) through a gear, the lower end of the right wall plate (4-6) is fixed with the hanging shaft (4-7) through a bolt, the gear shaft (4-11) and the hand chain wheel (4-2) which are installed on the right wall plate (4-6) are connected in a locating mode through a key, and the hand chain (4-1) can drive the hand chain wheel (4-2) and the gear shaft (4-11) to rotate, so that the driving wheel (4-9) and the driven wheel (4-8) can walk on the lower edge of the I-steel (2-1. As shown in fig. 4.

Wherein the elastic winding reel (1-4) mainly comprises fixing plates (5-1), support plates (5-2), crosspieces (5-3), discs (5-4), a main shaft (5-5), cables (5-6) and connector lugs (5-7), the two fixing plates (5-1) are respectively welded at two ends of the bottom of the support plates (5-2), the crosspieces (5-3) are welded at the top ends of the support plates (5-2) by U-shaped steel bars, the main shaft (5-5) is installed in the middle of the support plates (5-2), a spiral spring and a reversing electric brush are installed inside the main shaft (5-5), the discs (5-4) are fixed on the main shaft (5-5), the main shaft (5-5) and the discs (5-4) can be driven to rotate by pulling the cables (5-6) wound on the main shaft (5-5), and the internal volute spring contracts to store the power of the recovered cable. The elastic winding reel (1-4) is fixedly arranged on a top plate (4-3) of the monorail trolley (1-3) through a bolt and a fixing plate (5-1), and the monorail trolley (1-3) drives the elastic winding reel (1-4) to move transversely on the I-shaped steel main beam (1-1). As shown in fig. 5.

Wherein the chain hoist (1-5) mainly comprises a hook (6-1), a transmission case (6-2), a control electric box (6-3), a chain box (6-4), a chain (6-5), a control board (6-6), a clamp (6-7) and a hoist motor (6-8). The hoist motor (6-8) and the transmission case (6-2) are connected through a bolt to form an integral structure, a chain box (6-4) is hung at the left lower end, a chain (6-5) is stored in the chain box, a hook (6-1) is connected to the upper end of the hoist motor (6-8) through a movable hinge, the clamp (6-7) is hung below the transmission case (6-2) through the chain (6-5), the control electric box (6-3) is installed at the right end of the hoist motor (6-8), and the lifting motion of the clamp (6-7) is controlled through a button switch on a control board (6-6) connected with the control electric box (6-3). The chain hoist (1-5) is hung on the monorail trolley (1-3) through the hook (6-1), power is supplied through the elastic winding reel (1-4), and the hoist motor (6-8) is controlled to rotate forwards and backwards by matching with an electric switch button on the control board (6-6), so that the clamping and lifting movement of the clamp (6-7) is completed. As shown in fig. 6.

The main cable winder (1-6) mainly comprises a fixed support (7-1), a main shaft (7-2), a disc (7-3), a cable (7-4) and a power connection head (7-5), and adopts an elastic wire cable drum and a spiral spring as power to wind and unwind a cable bus. A spiral spring and a movable electric brush are arranged in a main shaft (7-2), two pairs of discs (7-3) are fixed on the main shaft (7-2) through bolts, a cable (7-4) is wound in the middle of each disc (7-3), one end of each cable (7-4) is connected with the electric brush in the main shaft (7-2), the other end of each cable (7-4) is connected with a three-phase five-wire power supply in an underground tunnel, a fixed support (7-1) is formed by welding steel plates and movably connected with the main shaft (7-2) through a bearing structure, and a whole total cable winder (1-6) is connected and installed on a main cable seat (3-6) at the end part of a cross frame (3-8) of a walking supporting leg (1-2) through the fixed support (7-1). As shown in fig. 7.

Wherein the height-adjusting frame (1-7) mainly comprises a transverse frame (8-1), a side frame (8-2), a vertical frame (8-3) and a fixing plate (8-4). The transverse frame (8-1) is used as a carrier to form a triangular structure integrally, the upper part of the transverse frame is connected and installed with the vertical frame (8-3) through bolts, the two sides of the vertical frame (8-3) are provided with the side frames (8-2), and the side frames (8-2) are fixedly installed at the end part of the transverse frame (8-1) and the top of the vertical frame (8-3) through bolts. The vertical frame (8-3) can be in bolted connection with a fixing plate (2-5) of an I-shaped steel main beam (1-1) through a threaded hole in the top, the transverse frame (8-1) is of a groove-shaped structure, a fixing plate (8-4) is welded at the end part of the transverse frame, and the fixing plate (8-4) can be in bolted connection with a threaded hole in the vertical frame (3-9) of the walking support leg (1-2). The height adjusting frame (1-7) is used between an I-steel main beam (1-1) and walking support legs (1-2) of a hanging rail portal frame, the front and back surfaces of a vertical frame (8-3) of the height adjusting frame (1-7) can be in bolt connection with an upper fixing plate (2-5) of the I-steel main beam (1-1) so as to form the working conditions that the walking support legs (1-2) are arranged inside and outside the support legs relative to the center of the section of the I-steel main beam (1-1), the working conditions can be flexibly applied to a rectangular tunnel section (11-1), a station platform section (12-1), an elevated bridge section (13-1) and a U-shaped tunnel section (10-1), when a door-shaped structure is adopted for operation, the height adjusting frames (1-7) are respectively arranged on two sides of the I-steel main beam (1-1), two pairs of walking support legs (1-2) are fixedly arranged below each pair of the height adjusting frames (1-7, increase the hoist and mount height of hanger rail portal, prevent simultaneously that the condition of empting appears when the hanger rail portal increases back hoist and mount material. As shown in fig. 8.

Example 2: application method of split mounting type hanger rail door frame for subway tunnel scattered-laying frame rail construction

The split mounting type hanger rail portal frame for the construction of the scattered laying frame rails of the subway tunnel adopts a split mounting type structure, and the structure of the hanger rail portal frame can be changed according to the working conditions of the underground tunnel, so that the split mounting type hanger rail portal frame is suitable for the construction operation of the scattered laying frame rails in the whole working condition range. The hanger rail portal frame finishes walking along the tunnel direction through walking support legs (1-2), finishes transverse movement along an I-shaped steel main beam (1-1) through a single-rail trolley (1-3), finishes lifting and hoisting operation of materials through a chain block (1-5), obtains electricity in an underground tunnel through a main cable winder (1-6), and generally adopts two sets of hanger rail portal frames to form a working group for cooperative operation. When the hanger rail portal frame adopts a splayed leg structure, the walking legs (1-2) are directly arranged at two ends of the I-shaped steel main beam (1-1); when the hanger rail portal frame adopts a door-shaped structure, the height-adjusting frames (1-7) are arranged at two ends of the I-shaped steel main beam (1-1), and two groups of walking support legs (1-2) are arranged on the fixed plates (8-4) on the cross frames (8-1) of the height-adjusting frames (1-7) so as to increase the lifting height of the hanger rail portal frame. The splayed leg type hanging rail door frame is suitable for hoisting operation of a circular tunnel section (9-1); the gantry of the gantry type hanging rail is suitable for hoisting operation of a rectangular tunnel section (11-1), a station platform section (12-1), an viaduct section (13-1), a horseshoe-shaped tunnel section (10-1) and a civil air defense door (14-1). When the hanger rail portal frame adopts a door-shaped structure, height-adjusting frames (1-7) can be added at two ends of an I-shaped steel main beam (1-1) according to the working condition and the limiting size of a construction section, and the external installation and the internal installation of the walking support legs (1-2) are realized through the positive and negative installation of the height-adjusting frames (1-7).

When the hanger rail portal frame works in the underground tunnel, the hanger rail portal frame can be used for steel rail entering hoisting operation, rail panel assembling hoisting operation, material unloading hoisting operation and ditch template disassembling hoisting operation. When the steel rail enters the field and is hoisted, after the forklift drags the steel rail into the underground tunnel, the steel rail is lifted and moved to the edge of the tunnel by using the hanger rail portal frame to be stored so as to avoid influencing the entering of subsequent materials. When the track panel is assembled and hoisted, the steel rail is lifted and moved to the sleeper by using the hoisting rail portal frame to be straightened, then the fastener is convenient to install, and after the track panel is assembled, the track panel can be locally lifted to a certain height. When the material is unloaded and is hoisted the operation, fortune flitch car transports behind operation position with a plurality of rail supports of transferring, ditch template of mode that the accessible chain binded, materials such as labour saving and time saving, avoid manpower transport. When the ditch template is disassembled and hoisted, the ditch template can be directly lifted by the hoisting rail portal frame after the concrete of the track bed is formed, and the bad influence on the track bed caused by the steel hammer knocking the ditch template is avoided.

When the wall-mounted cabinet portal adopts a splayed leg structure, the walking legs (1-2) are obliquely arranged at two ends of an I-shaped steel main beam (1-1), the wall-mounted rail portal can operate in a circular tunnel region (9-1), the walking legs (1-2) directly walk on the wall of the tunnel tube, and the steel rail is hoisted in a lifting and transverse mode through the monorail trolley (1-3) and the ring chain hoist (1-5). As shown in fig. 9.

When the wall cupboard door frame adopts a door-shaped structure, the height adjusting frame (1-7) is arranged at two ends of an I-shaped steel main beam (1-1), and the two groups of walking supporting legs (1-2) are vertically arranged on the fixing plates (8-4) at two ends of the cross frame (8-1) of the height adjusting frame (1-7). When the hanger rail portal frame works in a horseshoe-shaped single-line tunnel region (10-1), the height-adjusting frame (1-7) and the walking support legs (1-2) adopt a support leg internal or external installation mode, the walking support legs (1-2) directly walk on a substrate at the bottom of the tunnel, and the steel rail is lifted and transversely moved through the single-rail trolley (1-3) and the ring chain hoist (1-5). When the hanger rail portal frame works in a horseshoe-shaped double-line tunnel region (10-2), the height adjusting frame (1-7) and the walking support leg (1-2) close to the side of the intermediate wall (10-3) adopt a support leg external mounting form, the height adjusting frame (1-7) and the walking support leg (1-2) close to the side of the curved wall adopt a support leg internal mounting form, the walking support leg (1-2) directly walks on a base at the bottom of the tunnel, and the steel rail is lifted and transversely moved through the single-rail trolley (1-3) and the ring chain hoist (1-5). As shown in fig. 10.

When the hanger rail portal frame works in a rectangular tunnel region (11-1), the height-adjusting frame (1-7) and the walking supporting legs (1-2) adopt a supporting leg built-in mode, the walking supporting legs (1-2) directly walk on a substrate at the bottom of the tunnel, and the steel rail is hoisted in a lifting and transverse moving mode through the monorail trolley (1-3) and the ring chain hoist (1-5). As shown in fig. 11.

When the hanger rail portal frame works in a station platform area (12-1), the height adjusting frame (1-7) and the walking support leg (1-2) close to the platform plate side adopt a support leg external mounting form, the height adjusting frame (1-7) and the walking support leg (1-2) close to the vertical wall side of the tunnel adopt a support leg internal mounting form, the walking support leg (1-2) directly walks on a substrate at the bottom of the tunnel, and the steel rail is lifted and transversely moved through the monorail trolley (1-3) and the chain hoist (1-5). As shown in fig. 12.

When the hanger rail portal works in a double-line tunnel section (13-1) of the viaduct or a single-line tunnel section (13-2) of the viaduct, the height-adjusting frame (1-7) and the walking support legs (1-2) adopt a support leg external mounting mode, the walking support legs (1-2) directly walk on a substrate at the bottom of the tunnel, and the steel rail is lifted up and down and transversely moved through the monorail trolley (1-3) and the ring chain hoist (1-5). When the hanger rail portal frame works in an elevated platform area (13-3), the height-adjusting frame (1-7) and the walking support leg (1-2) close to the platform board side adopt a support leg external mounting form, the height-adjusting frame (1-7) and the walking support leg (1-2) close to the elevated outside adopt a support leg internal mounting form, the walking support leg (1-2) directly walks on a substrate at the bottom of a tunnel, and a steel rail is lifted and transversely moved through the monorail trolley (1-3) and the ring chain hoist (1-5). As shown in fig. 13.

When the hanger rail gantry works at the position of a civil air defense door (14-1), the height-adjusting frame (1-7) and the walking supporting legs (1-2) adopt a supporting leg external mounting mode, the walking supporting legs (1-2) directly walk on a base at the bottom of a tunnel, and a steel rail is hoisted in a lifting and transverse moving mode through the monorail trolley (1-3) and the ring chain hoist (1-5). As shown in fig. 14.

When the hanger rail portal frame is used for loading and transferring, the whole machine is disassembled into single parts, and all the parts are fixedly placed on a freight car and directly transported to the next working site.

Claims (9)

1. A split mounting type hanger rail portal frame for the construction of scattered laying frame rails of a subway tunnel is characterized by comprising a main beam structure;

the walking support legs are fixed on two sides of the main beam structure through bolts, and the walking support legs and the main beam structure are door-shaped or splayed;

the monorail trolley takes the lower edge of the rail of the main beam structure as a running rail of the monorail trolley, and the monorail trolley drives the trolley to run by adopting a hand chain to drive an elastic winding reel fixedly installed above the monorail trolley to take up and pay off cables;

the chain hoist is hung below the monorail trolley through the hook, power is supplied through the elastic winding reel, the electric switch button of the control panel is matched, the positive and negative rotation of a hoist motor is controlled, and the process of clamping and lifting of the lifting appliance is completed.

2. The assembled hanger rail portal frame for the construction of the scattered laying frame rail of the subway tunnel as claimed in claim 1, further comprising

The height adjusting frame is used between the main beam structure and the walking legs, is suitable for working conditions of a rectangular tunnel interval, a station platform interval, an elevated bridge interval and a horseshoe-shaped tunnel interval, adopts a door-shaped structure to carry out operation, is respectively provided with the height adjusting frame at two sides of the main beam structure, is vertically and fixedly provided with two pairs of walking legs below each pair of height adjusting frames, and increases the hoisting height of the overhead rail portal frame adopting a door-shaped structure;

the main cable winder adopts an elastic cable drum structure, is arranged at the end part of the walking supporting leg and is matched with the movement of the walking supporting leg and the contraction and release of a cable bus by the contraction and release of a spiral spring.

3. The assembled suspended rail portal frame for the construction of the scattered frame rails of the subway tunnel according to claim 1, wherein the main beam structure comprises I-shaped steel, limiting blocks, reinforcing ribs, side plates and fixing plates, a single I-shaped steel is used as the whole main beam structure, the lower edge of the rail of the I-shaped steel is used as the running rail of the monorail trolley, the limiting blocks are welded and fixed at two ends of the I-shaped steel to limit the motion space of the monorail trolley, the reinforcing ribs are welded at two sides of the waist of the end of the I-shaped steel, the side plates are welded on the reinforcing ribs, the fixing plates are welded at two end faces of the I-shaped steel and are welded and fixed with the cross sections of the side plates, and the I-shaped.

4. The assembled suspended rail portal frame for the scattered frame rail construction of the subway tunnel according to claim 1, wherein the walking legs are composed of a motor, a motor base, a support frame, an inclined frame, a support rib, a main cable, walking wheels, a transverse frame, a vertical frame, a chain wheel and a chain, the walking legs are arranged by using the transverse frame and the vertical frame as carriers, the walking legs are integrally in a triangular structure, the vertical frame is fixed on the upper portion of the transverse frame through bolts to form an inverted T-shaped structure, the support frame is fixed on two sides of the vertical frame through bolts, the other end of the support frame is fixed on the end portion of the transverse frame through bolts, the inclined frame is welded on the upper end of the vertical frame, the inclined frame and the vertical frame are reinforced through the support rib, the main cable base is welded on the end portion of the transverse frame for fixedly installing a main cable winder, the motor base is welded on the middle portion of the transverse frame, the driving motor is fixed on the, driving the whole machine to walk.

5. The assembled suspended rail portal frame for the construction of the scattered paving frame rail of the subway tunnel according to claim 1, wherein the monorail trolley comprises a chain, a hand chain wheel, a top plate, a reinforcing rib, a left wall plate, a right wall plate, a suspended shaft, a driven wheel, a driving wheel, a hanging ring and a gear shaft, the left wall plate and the right wall plate are divided into two parts, the two parts are symmetrically arranged on two sides of I-steel, the left wall plate and the right wall plate are fixed by bolts through the suspended shaft, the distance between the left wall plate and the right wall plate can be adjusted by reducing a gasket on the suspended shaft, the top plate and the reinforcing rib are fixedly welded on the top of the left wall plate, the top plate and the left wall plate are in an inverted L-shaped structure, the driven wheel is fixed in the middle of the left wall plate, the lower end of the driven wheel is fixed with the suspended shaft bolts, the driving wheel and the gear shaft are fixed in the middle of the right, the hand-pulling chain is used for driving the hand chain wheel and the gear shaft to rotate, so that the driving wheel and the driven wheel run on the lower edge of the I-shaped steel track.

6. The sectional type hanger rail gantry for the construction of the scattered frame rails of the subway tunnels as claimed in claim 1, wherein the elastic winding drum is composed of fixing plates, supporting plates, crosspieces, disks, a main shaft, cables and connectors, the two fixing plates are respectively welded at two ends of the bottom of the supporting plates, the crosspieces are welded at the top ends of the supporting plates by using U-shaped steel bars, the main shaft is installed in the middle of the supporting plates, the disks are fixed on the main shaft, the cables wound on the main shaft are pulled to drive the main shaft and the disks to rotate, meanwhile, the internal spiral springs shrink to store the power of the recovered cables, the elastic winding drum is fixedly installed on a top plate of the monorail trolley through bolts and the fixing plates, and the monorail trolley drives the elastic winding drum to move transversely on the I-shaped steel main beam.

7. The assembled overhead rail gantry for the construction of the scattered frame rails of the subway tunnel as claimed in claim 1, wherein the chain hoist is connected with the transmission box through bolts to form an integrated structure, the chain box is hung at the left lower end of the gantry, the chain is stored inside the chain box, the hook is connected to the upper end of the hoist motor through a movable hinge, the clamp is hung below the transmission box through the chain, the control electric box is installed at the right end of the hoist motor, the lifting motion of the clamp is controlled through a button switch on the control panel connected with the control electric box, the chain hoist is hung on the monorail trolley through the hook, power is supplied through an elastic winding reel, and the electric switch button on the control panel is matched to control the hoist motor to rotate forwards and backwards to complete the lifting motion of the clamp.

8. The assembled suspended rail portal frame for the construction of the scattered laying frame rails of the subway tunnel as claimed in claim 2, wherein the height-adjusting frame comprises a cross frame, side frames, a vertical frame and a fixing plate, the cross frame is used as a carrier, a triangular structure is integrally formed, the vertical frame is installed at the upper part by using bolts, the side frames are installed at two sides of the vertical frame, the side frames are fixedly installed at the end part of the cross frame and the top part of the vertical frame by using bolts, the vertical frame is connected with the fixing plate of the I-steel main beam by using threaded holes at the top part by using bolts, the cross frame is of a groove structure, the fixing plate is welded at the end part and is fixed with the threaded holes on the vertical frame of the walking legs by using bolts, the height-adjusting frame is used between the I-steel main beam and the walking legs of the suspended rail portal frame, the front and back surfaces of the vertical frame of the height-adjusting frame can be connected with the, height-adjusting frames are respectively installed on two sides of the I-shaped steel main beam, two pairs of walking support legs are installed and fixed below each pair of height-adjusting frames, the hoisting height of the hanger rail portal frame is increased, and meanwhile, the dumping situation is prevented when materials are hoisted after the hanger rail portal frame is increased.

9. The assembled hanger rail gantry for the construction of the scattered frame rail of the subway tunnel according to claim 2, wherein the general cable winder comprises a fixed bracket, a main shaft, disks, cables and a power connector, an elastic wire cable drum is adopted, a cable bus is wound and unwound by using a spiral spring as power, the main shaft is internally provided with a spiral spring and a movable brush, the main shaft is fixedly provided with two pairs of disks through bolts, the cables are wound in the disks, one end of each cable is connected with the brush in the main shaft, the other end of each cable is connected with a three-phase five-wire power supply in the underground tunnel, the fixed bracket is formed by welding steel plates and is movably connected with the main shaft through a bearing structure, and the whole general cable winder is installed on a main cable seat at the end part of the cross frame of the walking leg through the fixed bracket and.

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