CN215408698U

CN215408698U - Segment hoisting and conveying device

Info

Publication number: CN215408698U
Application number: CN202121369473.0U
Authority: CN
Inventors: 兰军华; 薛建国; 孙楠楠; 田金; 何平; 陈兴富; 李咸兵; 王光斌; 刘鑫; 杨波; 何寿; 唐俊龙; 邹景军; 谭友荣; 于遵博; 冷定兵; 李志刚; 刘汶潭; 梁小龙; 郭磊
Original assignee: China Railway Engineering Service Co Ltd
Current assignee: China Railway Engineering Service Co Ltd
Priority date: 2021-06-18
Filing date: 2021-06-18
Publication date: 2022-01-04
Anticipated expiration: 2031-06-18

Abstract

The utility model discloses a pipe piece hoisting and conveying device which is fixed between a connecting bridge of a shield machine and a trolley, and comprises a left hoisting conveying part and a right hoisting conveying part which are respectively arranged on the left side and the right side of the shield machine in parallel and symmetrically, wherein the left hoisting conveying part and the right hoisting conveying part respectively comprise an I-beam, a walking assembly, an attitude transformation assembly and a grabbing assembly which are arranged from top to bottom. The large swing arm and the small swing arm are both subjected to posture adjustment in an oil cylinder driving mode, the stability is high, the damage is not prone to occurring, the output torque of the hydraulic motor is large, and the problem that the failure rate of a motor, an electromagnetic brake and the like in a traditional walking device is high is solved. The posture transformation assembly can adjust the posture and recover the posture to the lower part of the walking beam, a working space is reserved below the walking beam, and the working efficiency of the shield process is increased. The hydraulic motor is arranged in the balance beam, so that the grabbing head on the balance beam can transversely move left and right, and the left and right positions of the hanging duct piece can be adjusted.

Description

Segment hoisting and conveying device

Technical Field

The utility model relates to the technical field of shield equipment, in particular to a pipe piece hoisting and conveying device.

Background

The shield segment is a main assembly component during shield construction, is the innermost barrier of the tunnel and plays a role in resisting soil layer pressure, underground water pressure and some special loads. In the process of tunneling a tunnel by the shield tunneling machine, the segment crane grabs and transports the segments to the segment splicing machine from the rear matching trolley, so that the segment is hoisted and transported.

The equipment that present segment crane snatched the section of jurisdiction mainly grabs through the chain block and gets the promotion section of jurisdiction, because motor, sprocket, gear and chain etc. among the chain block all are vulnerable parts, damage easily after using a period, this causes the in-process of section of jurisdiction hoist and mount to break down easily, leads to the fault rate higher and change vulnerable parts such as motor and increased the cost. And the loop chain block can't change the gesture and withdraw under the inoperative state, this has just occupied certain workspace, and the workman all need control running gear drive loop chain block shift position at every turn when work to reserve out workspace, this problem that just causes work efficiency low, current loop chain block in addition is hanging and is got the section of jurisdiction after, can't adjust the left and right sides position of section of jurisdiction, has great limitation. The existing segment crane needs to be installed on a walking beam to drive a chain block to move in a preset direction and finally convey the segment to the segment splicing machine after the segment hoisting process is completed, the walking device of the existing segment crane generally adopts a walking motor and a chain to cooperate to realize the driving walking of the chain block, wherein the motor and the chain are easily damaged parts, and the problems of high failure rate and increased replacement cost exist. Meanwhile, the existing segment crane needs manual tracking and manual correction for lifting and transportation, so that the problems of low lifting work efficiency and high labor cost exist.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provides a pipe piece hoisting and conveying device. In order to solve the problems existing in the prior art:

the purpose of the utility model is realized by the following technical scheme:

the utility model provides a section of jurisdiction hoist and mount conveyor, its fixes between shield constructs quick-witted connecting bridge and a platform truck, includes respectively at the left and right sides of shield structure machine and parallel symmetry's left side hoist and mount conveying part and right hoist and mount conveying part, left side hoist and mount conveying part and right hoist and mount conveying part all include the I-beam, the running assembly, the gesture transform subassembly that top-down set up and snatch the subassembly.

The walking assembly comprises a limiting plate matched with the I-beam for limiting, an accommodating box with an upward opening, a walking driving mechanism arranged in the accommodating box and a hinged support arranged at the bottom of the accommodating box.

The gesture transform subassembly includes swing big arm, swing forearm and flexible hydro-cylinder group, flexible hydro-cylinder group is used for driving swing big arm and swing forearm rotation, the front end of swing big arm rotates with the hinged-support and is connected, and the end of swing big arm rotates with the front end of swing forearm to be connected, the end of swing forearm rotates and is connected with the fixed head.

The grabbing assembly comprises a balance beam arranged between the left hoisting conveying part and the right hoisting conveying part and a grabbing head arranged on the balance beam and capable of transversely moving left and right.

The traveling driving mechanism comprises a hydraulic motor and a speed reducer, an output shaft of the hydraulic motor is connected with an input end of the speed reducer, a gear is mounted on an output shaft of the speed reducer, and a rack matched with the gear is further arranged at the bottom of the I-shaped beam.

The telescopic oil cylinder group comprises first telescopic oil cylinders arranged on the left side and the right side of the large swing arm and second telescopic oil cylinders arranged on the left side and the right side of the small swing arm.

The shape of the large swing arm is a Z-shaped structure, the shape of the small swing arm is an umbrella handle shape, the head end of the first telescopic oil cylinder is fixed with the side wall of the containing box, the tail end of the first telescopic oil cylinder is connected with the upper portion of the Z-shaped structure of the large swing arm, the head end of the second telescopic oil cylinder is connected with the side wall of the tail end of the large swing arm, and the tail end of the second telescopic oil cylinder is connected with the umbrella handle bending portion of the small swing arm.

The fixed head of the left hoisting conveying part is connected with the left end of the balance beam, and the fixed head of the right hoisting conveying part is connected with the right end of the balance beam.

The structure of compensating beam is that two I-beams splice forms, and the upper and lower surface of compensating beam is provided with the spout that supplies to snatch the head and move from side to side, is provided with the sideslip hydraulic motor that drives and snatch the head and move from side to side in the compensating beam, be provided with the rack on the body of rod of snatching the head, install on the output shaft of sideslip hydraulic motor and snatch the rack complex gear on the head of rod body.

The limiting plate comprises a left side plate, a right side plate and a bottom plate, and limiting bolts fixed in contact with the I-shaped beam are mounted on the left side plate and the right side plate.

The utility model has the beneficial effects that:

1. the large swing arm and the small swing arm in the posture changing assembly are both subjected to posture adjustment in an oil cylinder driving mode, the oil cylinder is connected with a hydraulic system in the shield tunneling machine, the stability is high, the damage is not prone to being caused, and the problem that the failure rate of a motor chain wheel, a gear and a chain in a traditional chain block is high is solved.

2. The posture changing assembly can adjust the posture and recover the posture to the lower part of the walking beam, a working space is reserved below the walking beam, frequent adjustment is not needed in the shield working process, so that the working space is reserved, and the working efficiency in the shield working process is improved.

3. The traveling driving assembly adopts a driving mode of the hydraulic driving motor, the hydraulic motor is connected with a heavy hydraulic system of the shield tunneling machine, the stability is better, the failure rate is low, the output torque of the hydraulic motor is larger, and the problem that the failure rate of a motor, an electromagnetic brake and the like in the traditional traveling device is higher is solved.

4. The hydraulic motor is arranged in the balance beam, so that the grabbing head on the balance beam can transversely move left and right, and the left and right directions of the hung duct piece can be adjusted.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of a traveling mechanism matched with an I-beam;

FIG. 3 is a schematic structural diagram of a traveling mechanism;

FIG. 4 is a schematic structural diagram of the matching of the limiting plate and the I-beam;

FIG. 5 is a schematic view of the gripper head;

FIG. 6 is a schematic structural view of a balance beam;

in the figure, 1-left conveying hoisting part, 2-right conveying hoisting part, 3-I-shaped beam, 4-limiting plate, 5-containing box, 6-hinged support, 7-swinging large arm, 8-swinging small arm, 9-fixed head, 10-balance beam, 11-grabbing head, 12-hydraulic motor, 13-reducer, 14-gear, 15-rack, 16-first telescopic oil cylinder, 17-second telescopic oil cylinder, 18-chute and 19-limiting bolt.

Detailed Description

The technical solutions of the present invention are further described in detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the following.

As shown in fig. 1 to 6, a pipe piece hoisting and conveying device is composed of a left conveying hoisting part 1, a right conveying hoisting part 2, an i-beam 3, a limiting plate 4, a containing box 5, a hinged support 6, a swinging big arm 7, a swinging small arm 8, a fixed head 9, a balance beam 10, a grabbing head 11, a hydraulic motor 12, a speed reducer 13, a gear 14, a rack 15, a first telescopic oil cylinder 16, a second telescopic oil cylinder 17, a chute 18 and a limiting bolt 19.

The utility model provides a section of jurisdiction hoist and mount conveyor, its fixes between shield constructs quick-witted connecting bridge and a platform truck, includes respectively at the shield and constructs quick-witted left and right sides and parallel symmetry set up left hoist and mount conveying part 1 and right hoist and mount conveying part 2, left side hoist and mount conveying part 1 and right hoist and mount conveying part 2 all include the I-beam 3, the walking subassembly, the gesture transform subassembly that top-down set up and snatch the subassembly.

The walking assembly comprises a limiting plate 4 which is matched with the I-beam for limiting, an accommodating box 5 with an upward opening, a walking driving mechanism arranged in the accommodating box 5 and a hinged support 6 arranged at the bottom of the accommodating box 5.

The posture transformation assembly comprises a large swinging arm 7, a small swinging arm 8 and a telescopic oil cylinder group, the telescopic oil cylinder group is used for driving the large swinging arm 7 and the small swinging arm 8 to rotate, the front end of the large swinging arm 7 is rotatably connected with the hinged support 6, the tail end of the large swinging arm 7 is rotatably connected with the front end of the small swinging arm 8, and the tail end of the small swinging arm 8 is rotatably connected with a fixing head 9.

The grabbing assembly comprises a balance beam 10 arranged between the left hoisting conveying part 1 and the right hoisting conveying part 2 and a grabbing head 11 arranged on the balance beam 10 and capable of transversely moving left and right.

The traveling driving mechanism comprises a hydraulic motor 12 and a speed reducer 13, an output shaft of the hydraulic motor 12 is connected with an input end of the speed reducer 13, a gear 14 is mounted on an output shaft of the speed reducer 13, and a rack 15 matched with the gear 14 is further arranged at the bottom of the I-beam 3.

The telescopic oil cylinder group comprises first telescopic oil cylinders 16 arranged on the left side and the right side of the large swing arm 7 and second telescopic oil cylinders 17 arranged on the left side and the right side of the small swing arm 8.

The shape of the big swing arm 7 is a Z-shaped structure, the 8 shapes of the small swing arm are umbrella-handle-shaped, the head end of the first telescopic oil cylinder 16 is fixed with the side wall of the containing box 5, the tail end of the first telescopic oil cylinder 16 is connected with the upper part of the Z-shaped structure of the big swing arm 7, the head end of the second telescopic oil cylinder 17 is connected with the side wall of the tail end of the big swing arm 7, and the tail end of the second telescopic oil cylinder 17 is connected with the umbrella-handle-shaped bending part of the small swing arm 8.

The fixed head 9 of the left hoisting conveying part 1 is connected with the left end of the balance beam 10, and the fixed head 9 of the right hoisting conveying part 2 is connected with the right end of the balance beam 10.

The structure of the balance beam 10 is formed by splicing two I-shaped beams, the upper surface and the lower surface of the balance beam 10 are provided with chutes 18 for the left-right transverse movement of the grabbing heads, transverse movement hydraulic motors for driving the grabbing heads to transversely move left and right are arranged in the balance beam 10, racks are arranged on rod bodies of the grabbing heads 11, and gears matched with the racks on the rod bodies of the grabbing heads 11 are arranged on output shafts of the transverse movement hydraulic motors.

The limiting plate 4 comprises a left side plate, a right side plate and a bottom plate, and limiting bolts 19 fixed in contact with the I-beam 3 are mounted on the left side plate and the right side plate.

The working process of the pipe piece hoisting and conveying device is as follows:

the hydraulic motor in the hydraulic system driving walking assembly in the shield tunneling machine works, the output end of the hydraulic motor is connected with the input end of the speed reducer, the gear is sleeved on the output end of the speed reducer, the rack is welded to the bottom of the I-beam, and the gear on the output shaft of the speed reducer is meshed with the rack, so that the speed reducer is driven by the hydraulic motor, the speed reducer drives the gear to rotate, and the movement of the whole segment hoisting and conveying device is realized through the meshing of the gear and the rack. One end of the I-beam is fixed on the equipment bridge, the other end of the I-beam is fixed on the trolley, and the I-beam plays a role in fixedly supporting the hoisting and conveying device.

Through the hydraulic system of shield structure machine, the hydraulic motor work among the control walking subassembly, hydraulic motor drives the gesture transform subassembly and hangs and get the subassembly and move to hanging the position of getting the section of jurisdiction on the I-beam, and the hydraulic system control swings the flexible hydro-cylinder group on the big arm, and the swing big arm among the adjustment gesture transform subassembly rotates certain angle and makes the link of the big arm of swing and swing forearm be located and treat to snatch the section of jurisdiction directly over. The surface of the duct piece is generally fixed with hoisting bolts, and the grabbing head on the balance beam is matched and fixed with the hoisting bolts to complete grabbing of the duct piece by the hoisting device. After the posture of the large swinging arm is adjusted, the second telescopic oil cylinder on the small swinging arm is controlled by the hydraulic system to rotate by a certain angle, so that the tail end of the small swinging arm is in contact with the hoisting bolt on the duct piece, and a worker fixes the grabbing head and the hoisting bolt on the duct piece to fix the duct piece and the hoisting conveying device.

And finally, controlling the oil cylinder groups on the large swinging arm and the small swinging arm to work through a hydraulic system, adjusting the postures of the large swinging arm and the small swinging arm, enabling the large swinging arm to clockwise move and upwards lift under the action of the first telescopic oil cylinder, and enabling the small swinging arm to anticlockwise swing and upwards lift under the action of the second telescopic oil cylinder. The hydraulic motor in the hydraulic system control walking assembly works immediately, the whole device is driven to move to the position of the segment erector, the piston of the first telescopic oil cylinder on the swing large arm is controlled to stretch out again through the hydraulic motor, the swing large arm is driven to rotate anticlockwise and lower downwards, the second telescopic oil cylinder in the swing small arm is controlled to stretch out, the arm body of the swing small arm rotates clockwise by a certain angle, the segment is placed in the segment feeding machine of the segment erector, at the moment, the grabbing head and the hoisting bolt on the segment are loosened manually, and the segment hoisting and conveying processes are completed.

The large swing arm and the small swing arm in the posture changing assembly are both subjected to posture adjustment in an oil cylinder driving mode, the oil cylinder is connected with a hydraulic system in the shield tunneling machine, the stability is high, the damage is not prone to being caused, and the problem that the failure rate of a motor chain wheel, a gear and a chain in a traditional chain block is high is solved. The posture changing assembly can adjust the posture and recover the posture to the lower part of the walking beam, a working space is reserved below the walking beam, and the working space is reserved without frequent adjustment in the shield working process, so that the working efficiency of the shield working process is increased. The traveling driving assembly adopts a driving mode of a hydraulic driving motor, the hydraulic motor is connected with a heavy hydraulic system of the shield tunneling machine, the stability is better, the failure rate is low, the output torque of the hydraulic motor is larger, and the problem that the failure rate of a motor, an electromagnetic brake and the like in the traditional traveling device is higher is solved. The oil cylinder is arranged in the balance beam, so that the grabbing head on the balance beam can transversely move left and right, and the left and right positions of the hanging duct piece can be adjusted.

Claims

1. The utility model provides a section of jurisdiction hoist and mount conveyor, its fix shield constructs between quick-witted connecting bridge and a platform truck, its characterized in that: the shield machine comprises a left hoisting conveying part (1) and a right hoisting conveying part (2) which are respectively arranged on the left side and the right side of the shield machine in parallel and symmetrically, wherein the left hoisting conveying part (1) and the right hoisting conveying part (2) respectively comprise an I-beam (3), a walking assembly, a posture changing assembly and a grabbing assembly which are arranged from top to bottom;

the walking assembly comprises a limiting plate (4) which is matched with the I-beam for limiting, an accommodating box (5) with an upward opening, a walking driving mechanism arranged in the accommodating box (5) and a hinged support (6) arranged at the bottom of the accommodating box (5);

the posture conversion assembly comprises a large swinging arm (7), a small swinging arm (8) and a telescopic oil cylinder group, the telescopic oil cylinder group is used for driving the large swinging arm (7) and the small swinging arm (8) to rotate, the front end of the large swinging arm (7) is rotatably connected with the hinged support (6), the tail end of the large swinging arm (7) is rotatably connected with the front end of the small swinging arm (8), and the tail end of the small swinging arm (8) is rotatably connected with a fixed head (9);

the grabbing assembly comprises a balance beam (10) arranged between a left hoisting conveying part (1) and a right hoisting conveying part (2) and a grabbing head (11) which is arranged on the balance beam (10) and can transversely move left and right.

2. The pipe piece hoisting and conveying device according to claim 1, characterized in that: the traveling driving mechanism comprises a hydraulic motor (12) and a speed reducer (13), an output shaft of the hydraulic motor (12) is connected with an input end of the speed reducer (13), a gear (14) is installed on an output shaft of the speed reducer (13), and a rack (15) matched with the gear (14) is further arranged at the bottom of the I-shaped beam (3).

3. The pipe piece hoisting and conveying device according to claim 1, characterized in that: the telescopic oil cylinder group comprises first telescopic oil cylinders (16) arranged on the left side and the right side of the large swing arm (7) and second telescopic oil cylinders (17) arranged on the left side and the right side of the small swing arm (8).

4. The pipe piece hoisting and conveying device according to claim 3, characterized in that: the shape of the big arm of swing (7) is Z style of calligraphy structure, the shape of the little arm of swing (8) is umbelliform, the head end of first flexible hydro-cylinder (16) with the lateral wall of holding case (5) is fixed, and the end of first flexible hydro-cylinder (16) is connected with the upper portion of the Z font structure of the big arm of swing (7), the head end and the terminal lateral wall of the big arm of swing (7) of the flexible hydro-cylinder of second (17) are connected, and the tail end of the flexible hydro-cylinder of second (17) is connected with the umbelliform portion of bending of the little arm of swing (8).

5. The pipe piece hoisting and conveying device according to claim 1, characterized in that: the fixed head (9) of the left hoisting conveying part (1) is connected with the left end of the balance beam (10), and the fixed head (9) of the right hoisting conveying part (2) is connected with the right end of the balance beam (10).

6. The pipe piece hoisting and conveying device according to claim 1, characterized in that: the structure of the balance beam (10) is formed by splicing two I-shaped beams, a chute (18) for enabling the grabbing head to transversely move left and right is formed in the upper surface and the lower surface of the balance beam (10), a transverse hydraulic motor for driving the grabbing head to transversely move left and right is arranged in the balance beam (10), a rack is arranged on a rod body of the grabbing head (11), and a gear matched with the rack on the rod body of the grabbing head (11) is installed on an output shaft of the transverse hydraulic motor.

7. The pipe piece hoisting and conveying device according to claim 1, characterized in that: the limiting plate (4) comprises a left side plate, a right side plate and a bottom plate, and limiting bolts (19) fixed in contact with the I-shaped beam (3) are mounted on the left side plate and the right side plate.