CN212050270U

CN212050270U - Hoisting mechanism for installation of subway pipe sheets

Info

Publication number: CN212050270U
Application number: CN202020312870.3U
Authority: CN
Inventors: 杨宏伟; 李俊民; 翟伟涛; 郭峰; 王梦圆
Original assignee: Henan Modern Construction Technology Co ltd
Current assignee: Henan Modern Construction Technology Co ltd
Priority date: 2020-03-13
Filing date: 2020-03-13
Publication date: 2020-12-01
Anticipated expiration: 2030-03-13

Abstract

The utility model discloses a subway section of jurisdiction installation of hoist and mount mechanism is used in subway section of jurisdiction installation of subway section of jurisdiction installation, including backup pad and two rails, the top outer wall fixedly connected with positioning disk of backup pad, one side outer wall at positioning disk top is provided with step motor, the support frame internal rotation is connected with the master cylinder, the inside sliding connection of master cylinder has the master piston rod, the top outer wall welding of master piston rod has the link, the inside rotation of link is connected with vice cylinder, the inside sliding connection of vice cylinder has vice piston rod, the welding of vice piston rod one end outer wall has the locating piece, the inside rotation of locating piece is connected with the transmission shaft, the welding of transmission shaft one end outer wall has fastening bolt, there is fastening motor locating piece one side outer wall through bolted connection. The utility model discloses be convenient for use in the constrictive environment in tunnel, can realize semi-automatization operation, can install the section of jurisdiction at different positions, can improve the installation accuracy, can improve the installation effectiveness.

Description

Hoisting mechanism for installation of subway pipe sheets

Technical Field

The utility model relates to a subway section of jurisdiction technical field especially relates to a hoisting mechanism is used in installation of subway section of jurisdiction.

Background

The subway tunnel is characterized in that the subway segments are made of concrete materials built in the subway tunnel and arc, one unit of the subway tunnel is generally composed of 6 subway segments, the thickness of one subway segment is generally 40-50cm, the width of one subway segment is generally 1m, the subway shield is tunneled, the segments are used as a tunnel supporting system structure and are important parts of the tunnel structure, the segments are generally spliced in a segmented mode, one ring of the section of the tunnel is generally formed by splicing 4-12 pieces, the length of each ring is generally about 1.5 m, the subway segments are spliced while the tunnel is propelled, the stability of the tunnel is guaranteed, and the deformation of the section of the tunnel caused by extrusion of soil bodies is prevented in time.

The use in the narrow environment in tunnel of being not convenient for among the prior art, can not realize semi-automatization operation, can not realize hoisting machine and construct vertical direction multi-angle rotating, can not install the section of jurisdiction at different positions, mechanical structure is complicated, and workman's further reinforcement not be convenient for can not improve the installation accuracy, can not make hoisting machine construct the structure more stable, can not practice thrift the installation time of section of jurisdiction, can not improve the installation effectiveness.

Therefore, it is necessary to design a hoisting mechanism for installing the subway tube sheets to solve the above problems.

Disclosure of Invention

The utility model aims at solving the defects existing in the prior art and providing a hoisting mechanism for installing subway tube sheets.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a hoisting mechanism for installing subway pipe sheets comprises a supporting plate and two rails, wherein a positioning disc is fixedly connected to the outer wall of the top of the supporting plate, a rotating shaft is rotatably connected to the outer wall of the top of the positioning disc, a driven gear is welded to the outer wall of one side of the rotating shaft, a stepping motor is arranged on the outer wall of one side of the top of the positioning disc, a fixing frame is welded to the outer wall of the top of the rotating shaft, a supporting frame is fixedly connected to one side, away from the fixing frame, of the top of the rotating shaft, a main cylinder barrel is rotatably connected to the supporting frame, a main positioning frame is welded to the outer wall of one end of the main cylinder barrel, a main piston rod is slidably connected to the inside of the main cylinder barrel, a connecting frame is welded to the outer wall of the top of the main piston rod, a second, the improved cylinder is characterized in that a top fixing frame is fixedly connected to the outer wall of one side of the connecting frame, an auxiliary cylinder barrel is connected to the inner portion of the connecting frame in a rotating mode, an auxiliary piston rod is connected to the inner portion of the auxiliary cylinder barrel in a sliding mode, a first cylinder barrel is connected to the inner portion of the top fixing frame in a rotating mode, a first piston rod is connected to the inner portion of the first cylinder barrel in a sliding mode, a positioning block is welded to the outer wall of one end of the auxiliary piston rod, a transmission shaft is connected to the inner portion of the positioning block in a rotating mode, fastening.

Furthermore, one end of the output shaft of the fastening motor is sleeved with a fastening pinion, and the fastening pinion is meshed with the fastening gearwheel.

Further, the four corners department of backup pad bottom outer wall all welds and has the support column, four the bottom outer wall of support column one side all is provided with the wheel, wheel roll connection is in the inside of track, two open on the relative one side of track has the recess.

Furthermore, the outer wall welding of support column bottom has the wheel carrier, the outer wall that the wheel carrier is close to track one side rotates and is connected with the anticreep wheel, and the slip connection of anticreep wheel is in the recess.

Furthermore, the bottom of one side opposite to the support column is fixedly connected with a cross brace.

Furthermore, the distance between the relative outer walls of the wheels on the track is equal to the distance between the relative outer walls of the track, and the track is fixed on a horizontal plane.

The utility model has the advantages that:

1. through the step motor and the fastening motor that set up, step motor can realize hoisting machine and construct the rotation of the horizontal direction, has saved auxiliary device, has saved the space, is convenient for use in the constrictive environment in tunnel, and the fastening motor can reduce the section of jurisdiction at the artificial operation of assembling in-process, has realized semi-automatization operation, has practiced thrift the installation time of section of jurisdiction, has improved the installation effectiveness.

2. Through the first piston rod and the second piston rod that set up, can realize hoisting machine and construct vertical direction multi-angle rotating, can install the section of jurisdiction at different positions, retrench mechanical structure, realized a tractor serves several purposes, increased hoisting machine and constructed the flexibility ratio, saved the space, the workman's of being convenient for further reinforcement.

3. Through the wheel and the anti-drop wheel, the wheel enables the hoisting mechanism not to deviate from the rail transversely, the anti-drop wheel enables the hoisting mechanism not to deviate from the rail when the gravity center of the hoisting mechanism is not on the inner side of the rail, the wheel and the anti-drop wheel enable the hoisting mechanism to stably slide on the rail, the mounting precision is improved, and the structure of the hoisting mechanism is more stable.

Drawings

Fig. 1 is a schematic view of an overall structure of a hoisting mechanism for installing a subway tube sheet provided by the present invention;

fig. 2 is a schematic view of a partial cross-sectional structure of a hoisting mechanism for installing a subway pipe sheet provided by the present invention;

fig. 3 is a schematic structural view of a driven gear of the hoisting mechanism for installing the subway tube sheets, which is provided by the utility model;

fig. 4 is the structural schematic view of a fastening gearwheel of the hoisting mechanism for installing the subway pipe sheet provided by the utility model.

In the figure: the device comprises a supporting plate 1, a positioning plate 2, a rotating shaft 3, a driven gear 4, a driving gear 5, a stepping motor 6, a fixing frame 7, a supporting frame 8, a main cylinder 9, a main positioning frame 10, a main piston rod 11, a connecting frame 12, a top fixing frame 13, a first cylinder 14, a first piston rod 15, an auxiliary cylinder 16, a second cylinder 17, a second piston rod 18, an auxiliary positioning frame 19, an auxiliary piston rod 20, a positioning block 21, a fastening motor 22, a small fastening gear 23, a large fastening gear 24, a transmission shaft 25, a fastening bolt 26, a supporting column 27, a wheel 28, a wheel carrier 29, an anti-disengaging wheel 30, a track 31 and a groove 32.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 4, a hoisting mechanism for installing a subway tube comprises a support plate 1 and two rails 31, wherein the outer wall of the top of the support plate 1 is fixedly connected with a positioning disk 2, the outer wall of the top of the positioning disk 2 is rotatably connected with a rotating shaft 3, the outer wall of one side of the rotating shaft 3 is welded with a driven gear 4, the outer wall of one side of the top of the positioning disk 2 is provided with a stepping motor 6, the outer wall of the top of the rotating shaft 3 is welded with a fixed frame 7, the side of the top of the rotating shaft 3, which is far away from the fixed frame 7, is fixedly connected with a support frame 8, the support frame 8 is rotatably connected with a main cylinder barrel 9, the outer wall of one end of the main cylinder barrel 9 is welded with a main positioning frame 10, the inner part of the main cylinder barrel 9 is slidably connected with a main piston rod 11, the outer wall of the top of the main piston rod 11 is welded, connecting frame 12 one side outer wall fixedly connected with top mount 13, the inside rotation of connecting frame 12 is connected with vice cylinder 16, the inside sliding connection of vice cylinder 16 has vice piston rod 20, the inside rotation of top mount 13 is connected with first cylinder 14, the inside sliding connection of first cylinder 14 has first piston rod 15, the welding of vice piston rod 20 one end outer wall has locating piece 21, the inside rotation of locating piece 21 is connected with transmission shaft 25, the welding of transmission shaft 25 one end outer wall has fastening bolt 26, the fastening gear wheel 24 has been cup jointed to the transmission shaft 25 outer wall, there is fastening motor 22 locating piece 21 one side outer wall through bolted connection.

Further, a fastening pinion 23 is sleeved at one end of an output shaft of the fastening motor 22, the fastening pinion 23 is meshed with a fastening gearwheel 24, transmission efficiency is improved through gear meshing transmission, transmission accuracy is improved, transmission is more efficient and stable, the number of teeth of the fastening pinion 23 is smaller than that of the fastening gearwheel 24, the output rotating speed of the fastening bolt 26 is reduced, and the output torque of the fastening bolt 26 is increased.

Further, support columns 27 are welded at four corners of the outer wall of the bottom of the support plate 1, the horizontal height of the support columns 27, which is increased by the support plate 1, shortens the length of a suspension arm of the hoisting mechanism, the stability of the hoisting mechanism is improved, wheels 28 are arranged on the outer walls of the bottoms of the four support columns 27, the wheels 28 are connected inside the rails 31 in a rolling mode, and grooves 32 are formed in one opposite sides of the two rails 31.

Furthermore, the wheel carrier 29 is welded on the outer wall of the bottom of the supporting column 27, the anti-falling wheel 30 is rotatably connected to the outer wall of the wheel carrier 29 on the side close to the track 31, the anti-falling wheel 30 is slidably connected in the groove 32, and the anti-falling wheel 30 prevents the gravity center of the hoisting mechanism from inclining when the gravity center of the hoisting mechanism is not on the inner side of the two tracks, so that the stability of the mechanism is improved.

Further, the bottom fixedly connected with stull of one side relative of support column 27, the stull makes the wheel be difficult for breaking away from the rail to the bottom of hoisting machine structure that makes is more stable, and work efficiency is higher.

Furthermore, the distance between the wheels 28 on the track 31 and the outer wall is equal to the distance between the wheels 31 and the outer wall, so that the hoisting mechanism is not easy to deviate on the track, the transmission of the hoisting mechanism on the track is more accurate, and the track is fixed on a horizontal plane.

The working principle is as follows: when the subway tube sheet lifting device is used, a subway tube sheet is placed on one side close to a lifting mechanism, the stepping motor 6 is started to drive the driving gear 5, the driving gear 5 drives the driven gear 4, the driven gear 4 drives the rotating shaft 3 to horizontally rotate, the stepping motor 6 is turned off after the rotating shaft rotates to a certain angle, then the second piston rod 18 is compressed into the second cylinder 17 on the fixed frame 7, after the proper vertical angle is adjusted, the main piston rod 11 is extended out of the main cylinder 9, the proper length is adjusted, the first piston rod 15 is compressed into the first cylinder 14 to adjust the proper alignment angle, then the auxiliary piston rod 20 is extended out of the auxiliary cylinder 16, the fastening motor 22 is started, the fastening motor 22 drives the fastening pinion 23, the fastening pinion 23 drives the fastening gearwheel 24, the transmission shaft 25 is rotated by the fastening gearwheel 24, the fastening bolt 26 is synchronously rotated by the transmission shaft 25, and the fastening bolt 26 is screwed into the designated position of the subway tube, after lifting the subway segments, adjusting a proper angle, placing the subway segments on one side close to a hoisting mechanism, then rotating a wheel 28, the wheel 28 drives a support column 27, the outer wall of the bottom of one side of a wheel frame 29 is rotatably connected with an anti-drop wheel 30, the anti-drop wheel 30 at the bottom rotates in a groove 32 when the wheel 28 moves, so that the hoisting mechanism stably moves to a proper position, after reaching a specified position, rotating a stepping motor 6 to adjust the horizontal angle of the subway segments, readjusting the length of a second piston rod 18 and the length of a first piston rod 15 to change the angle of the vertical direction of the subway segments, adjusting the length of a main piston rod 11 and the length of an auxiliary piston rod 20 to determine a final installation position, manually connecting the subway segments with bolts, rotating a fastening motor 22 to enable fastening bolts 26 to retreat from the subway segments, and preparing for the next installation.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A hoisting mechanism for subway pipe sheet installation comprises a supporting plate (1) and two rails (31), and is characterized in that a positioning disc (2) is fixedly connected to the outer wall of the top of the supporting plate (1), a rotating shaft (3) is rotatably connected to the outer wall of the top of the positioning disc (2), a driven gear (4) is welded to the outer wall of one side of the rotating shaft (3), a stepping motor (6) is arranged on the outer wall of one side of the top of the positioning disc (2), a fixing frame (7) is welded to the outer wall of the top of the rotating shaft (3), a supporting frame (8) is fixedly connected to one side, far away from the fixing frame (7), of the top of the rotating shaft (3), a main cylinder barrel (9) is rotatably connected to the supporting frame (8), a main positioning frame (10) is welded to the outer wall of one end of the main cylinder barrel (, the outer wall of the top of the main piston rod (11) is welded with a connecting frame (12), a second cylinder barrel (17) is rotatably connected with the fixing frame (7), a second piston rod (18) is slidably connected inside the second cylinder barrel (17), the top end of the second piston rod (18) is rotatably connected with the main positioning frame (10), a top fixing frame (13) is fixedly connected with the outer wall of one side of the connecting frame (12), an auxiliary cylinder barrel (16) is rotatably connected inside the connecting frame (12), an auxiliary piston rod (20) is slidably connected inside the auxiliary cylinder barrel (16), a first cylinder barrel (14) is rotatably connected inside the top fixing frame (13), a first piston rod (15) is slidably connected inside the first cylinder barrel (14), a positioning block (21) is welded on the outer wall of one end of the auxiliary piston rod (20), and a transmission shaft (25) is rotatably connected inside the positioning block (21, the outer wall of one end of the transmission shaft (25) is welded with a fastening bolt (26), the outer wall of the transmission shaft (25) is sleeved with a fastening large gear (24), and the outer wall of one side of the positioning block (21) is connected with a fastening motor (22) through a bolt.

2. The hoisting mechanism for subway tube sheet installation as claimed in claim 1, wherein said fastening motor (22) has one end of its output shaft sleeved with a fastening small gear (23), and said fastening small gear (23) is engaged with a fastening large gear (24).

3. The hoisting mechanism for the installation of the subway pipe sheets as claimed in claim 1, wherein supporting columns (27) are welded to four corners of the outer wall of the bottom of the supporting plate (1), wheels (28) are arranged on the outer wall of the bottom of one side of each of the four supporting columns (27), the wheels (28) are connected inside rails (31) in a rolling mode, and grooves (32) are formed in the opposite sides of the two rails (31).

4. The hoisting mechanism for subway tube sheet installation as claimed in claim 3, wherein said supporting column (27) has a wheel carrier (29) welded to the bottom outer wall thereof, said wheel carrier (29) has a wheel drop-off prevention wheel (30) rotatably connected to the outer wall of the side close to the rail (31), and said wheel drop-off prevention wheel (30) is slidably connected in the groove (32).

5. The hoisting mechanism for subway tube sheet installation as claimed in claim 4, wherein said support column (27) is fixedly connected with a cross brace at the bottom of the opposite side.

6. The hoisting mechanism for subway tube sheet installation as claimed in claim 1, wherein the distance between the opposite outer walls of said wheels (28) on said rail (31) is equal to the distance between the opposite outer walls of said rail (31), and said rail is fixed on a horizontal plane.