CN113148825A

CN113148825A - Hoisting position adjusting device for central cutter dragging oil cylinder of shield tunneling machine

Info

Publication number: CN113148825A
Application number: CN202011561772.4A
Authority: CN
Inventors: 方忠平; 吴劲松; 王春; 陈磊; 巩文彬; 李文东
Original assignee: Anhui Senvince Construction Machinery Co ltd
Current assignee: Anhui Senvince Construction Machinery Co ltd
Priority date: 2020-12-25
Filing date: 2020-12-25
Publication date: 2021-07-23

Abstract

The invention provides a device for adjusting the hoisting position of a central cutter dragging oil cylinder of a shield tunneling machine, which relates to the technical field of shield tunneling machine adjustment and comprises a device body, wherein two support plates are fixedly welded on the outer surface of the device body, a fixed plate is fixedly sleeved at the top of the device body, fixed nut seats are fixedly welded at the tops of the two support plates, transmission rods are movably inserted in the centers of the two fixed nut seats, a bearing column is fixedly connected to the inner wall of the fixed plate, a bearing is movably sleeved on the outer surface of the bearing column, and a worm gear lifting ring is fixedly connected to the top of the bearing. According to the invention, the adjusting structure of the hoisting position of the central knife dragging oil cylinder of the shield machine is added, the problem that the device body needs to be manually pried by a crowbar in actual use is avoided, the fine adjustment structure of the central knife dragging oil cylinder of the shield machine is added, the actual impact force is stable, the shell of the device cannot be deformed due to different force of operators, and the safety is improved.

Description

Hoisting position adjusting device for central cutter dragging oil cylinder of shield tunneling machine

Technical Field

The invention relates to the technical field of shield machine adjustment, in particular to a device for adjusting the hoisting position of a drag oil cylinder of a central cutter of a shield machine.

Background

In the prior art, the basic working principle of the shield tunneling machine is that a cylindrical steel component is pushed forwards along the axis of a tunnel and excavates soil. The casing of the cylinder assembly, the shield, acts as a temporary support for the excavated, not yet lined tunnel section, bearing the pressure of the surrounding soil layers and sometimes also the groundwater pressure and the water that is trapped outside. The operations of digging, dumping, lining and the like are carried out under the shield of the shield.

However, in the prior art, when the center cutter of the existing shield tunneling machine is changed, the oil cylinder needs to be installed on an oil cylinder tool, and the position of the oil cylinder of the center cutter needs to be adjusted in the installation process due to different tool angles. Can only artifically realize the change of position with the help of crowbar swing hydro-cylinder at the in-process of hoisting, the actual operation degree of difficulty is big, hardly find the position accurately, cost a large amount of time and manpower, influence tool changing speed, and after the hydro-cylinder is changed and is accomplished, adjust through the device and probably lead to producing the space between hydro-cylinder and the fixed plate, thereby lead to the holistic stability of device not enough, generally need operating personnel to finely tune through the knocking device shell, because operating personnel's dynamics is not convenient for control, can lead to the device shell to be beaten and produce deformation, there is the potential safety hazard.

Disclosure of Invention

The invention aims to solve the defects in the prior art, and provides an adjusting structure for the hoisting position of a central cutter dragging oil cylinder of a shield tunneling machine, so that the problem that a device body needs to be manually pried by a crowbar in actual use is solved, a fine adjustment structure for the central cutter dragging oil cylinder of the shield tunneling machine is added, the actual impact force is stable, the shell of the device cannot be deformed due to different force of operators, and the safety is improved.

In order to achieve the purpose, the invention adopts the following technical scheme:

a lifting position adjusting device for a central cutter dragging oil cylinder of a shield tunneling machine comprises a device body, wherein two support plates are fixedly welded on the outer surface of the device body, a fixed plate is fixedly sleeved at the top of the device body, fixed nut seats are fixedly welded at the tops of the two support plates, transmission rods are movably inserted at the centers of the two fixed nut seats, a bearing column is fixedly connected to the inner wall of the fixed plate, a bearing is movably sleeved on the outer surface of the bearing column, a worm wheel lifting ring is fixedly connected to the top of the bearing, a front fixed seat is fixedly installed on the inner wall of the fixed plate, a rear fixed seat is fixedly installed on the inner wall of the fixed plate, the center of the front fixed seat and the center of the rear fixed seat are connected through worm transmission, a positioning pin shaft is fixedly installed on the inner wall of the fixed plate, and pull rods are movably inserted on the outer surfaces of the two support plates, two the equal movable sleeve of surface of pull rod is equipped with the spring, the fixed surface of device body installs the second striking piece.

In a preferred embodiment, an adjusting screw is fixedly sleeved at one end of each of the two transmission rods, which is far away from the fixed nut seat.

By adopting the scheme, the adjusting screw rod can drive the transmission rod to move.

As a preferred embodiment, the tops of the two support plates are connected through the outer surface threads of the locking bolt fixing plate, and the outer surfaces of the two locking bolts are fixedly sleeved with the anti-loose washers.

By adopting the scheme, the anti-loosening gasket is extruded by the locking bolt to prevent the locking bolt from loosening.

In a preferred embodiment, the outer surface of the bearing is fixedly sleeved with a half gear, and the outer surface of the half gear is matched with the outer surface of the worm.

By adopting the scheme, the half gear can drive the worm to reciprocate.

In a preferred embodiment, one end of the spring is fixedly connected with the inner wall of the support plate, and the other end of the spring is fixedly connected with the outer surface of the pull rod.

By adopting the scheme, the spring can be stressed and locked when the pull rod moves.

As a preferred embodiment, one end of the pull rod is fixedly connected with a pull handle, and the other end of the pull rod is fixedly connected with a first impact block.

By adopting the scheme, the pull handle can drive the first impact block to move through the pull rod.

Compared with the prior art, the invention has the advantages and positive effects that,

1. according to the invention, mechanisms such as a worm gear and the like are fixed on a plane, bases on two sides are provided with U-shaped grooves which are connected with a dragging oil cylinder through a lock washer and a locking bolt, and are connected and fixed with a fixing plate through a positioning pin shaft to clamp a worm gear lifting ring, and then fixing nut seats are fixed on two sides of the dragging oil cylinder; adjusting screw fixes on the fixation nut seat, drive the dog that the drive rod pushed up on the fixed plate through rotating adjusting screw and realize the regulation of central sword dilatory hydro-cylinder front and back position, be connected back fixing base and preceding fixing base with the worm afterbody afterwards, the front end is connected with the fixed plate through preceding fixing base, middle tooth and worm wheel meshing afterwards, thereby it realizes the regulation of central sword dilatory hydro-cylinder left and right sides position to let worm wheel rings rotate through adjusting the worm, the regulation structure of the hoist and mount position of the hydro-cylinder is dilatated to shield structure machine central sword has been increased, the problem of because the device body needs the manual work to utilize the crowbar to prize in actual use has been avoided.

2. According to the invention, after the lifting position of the central cutter dragging oil cylinder of the shield tunneling machine is adjusted, the pull handle is firstly pulled outwards, then the pull handle drives the pull rod to move outwards, then the pull rod drives the spring to be stressed and locked along the inner wall of the support plate, then the first impact block is driven by the pull rod to move, then the pull handle is loosened, at the moment, the spring is not stressed, the first impact block is driven by the pull rod to impact the second impact block, then the first impact block and the second impact block collide to drive the device body to generate micromotion, the fine adjustment structure of the central cutter dragging oil cylinder of the shield tunneling machine is added, the actual impact force is stable, the shell of the device body cannot deform due to different force of operators, and the safety is improved.

Drawings

FIG. 1 is a perspective view of a device for adjusting the hoisting position of a central cutter dragging oil cylinder of a shield tunneling machine according to the present invention;

FIG. 2 is a partially cut-away perspective view of a fixing plate of a device for adjusting the hoisting position of a center cutter dragging oil cylinder of a shield tunneling machine, according to the present invention;

FIG. 3 is a perspective view of a supporting plate part of the device for adjusting the hoisting position of the center cutter dragging oil cylinder of the shield tunneling machine according to the present invention;

fig. 4 is a front sectional view of a support plate part of the device for adjusting the hoisting position of the center cutter dragging oil cylinder of the shield tunneling machine.

Illustration of the drawings:

1. a device body; 2. a support plate; 3. a fixing plate; 4. a worm gear hoisting ring; 5. pulling a handle; 6. a worm; 7. a front fixed seat; 8. a bearing; 9. bearing columns; 10. a rear fixed seat; 11. positioning a pin shaft; 12. a lock washer; 13. locking the bolt; 14. adjusting the screw rod; 15. fixing a nut seat; 16. a transmission rod; 17. a spring; 18. a pull rod; 19. a first impact block; 20. a second impact block; 21. a half gear.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the present invention is not limited to the specific embodiments of the present disclosure.

Embodiment 1, as shown in fig. 1 to 4, the invention provides a device for adjusting a hoisting position of a central cutter dragging oil cylinder of a shield tunneling machine, which comprises a device body 1, two support plates 2 are fixedly welded on the outer surface of the device body 1, a fixed plate 3 is fixedly sleeved on the top of the device body 1, fixed nut seats 15 are fixedly welded on the top of the two support plates 2, transmission rods 16 are movably inserted in the centers of the two fixed nut seats 15, a bearing column 9 is fixedly connected to the inner wall of the fixed plate 3, a bearing 8 is movably sleeved on the outer surface of the bearing column 9, a worm wheel hanging ring 4 is fixedly connected to the top of the bearing 8, a front fixed seat 7 is fixedly installed on the inner wall of the fixed plate 3, a rear fixed seat 10 is fixedly installed on the inner wall of the fixed plate 3, the center of the front fixed seat 7 is in transmission connection with the center of the rear fixed seat 10 through a worm 6, and a positioning pin shaft 11 is fixedly installed on the inner wall of the fixed plate 3, the fixed cover of the one end of keeping away from fixed nut seat 15 of two transfer lines 16 is equipped with adjusting screw 14, and the surface threaded connection of fixed plate 3 is all passed through locking bolt 13 at the top of two spinal branch boards 2, and the surface of two locking bolts 13 is all fixed the cover and is equipped with lock washer 12, and the fixed cover of surface of bearing 8 is equipped with half-gear 21, and the surface of half-gear 21 and the surface looks adaptation of worm 6.

The whole embodiment 1 achieves the effect that mechanisms such as a worm gear and the like are fixed on a plane, bases on two sides are provided with U-shaped grooves which are connected with a dragging oil cylinder through a locking washer 12 and a locking bolt 13, and are connected and fixed with a fixing plate 3 through a positioning pin shaft 11 to clamp a worm gear hanging ring 4, and then fixing nut seats 15 are fixed on two sides of the dragging oil cylinder; adjusting screw 14 is fixed on fixed nut seat 15, it realizes the regulation of central sword dilatory hydro-cylinder front and back position to drive transfer line 16 to push up the dog on fixed plate 3 through rotating adjusting screw 14, be connected 6 afterbody worms with preceding fixing base 7 through back fixing base 10 afterwards, the front end is connected with fixed plate 3 through preceding fixing base 7, middle tooth and worm wheel meshing afterwards, let worm wheel rings 4 rotate through adjusting worm 6 and realize the regulation of central sword dilatory hydro-cylinder left and right sides position, the regulation structure of the hoist and mount position of shield structure machine central sword dilatory hydro-cylinder has been increased, the problem of because the device body needs artifical sled rod that utilizes in the in-service use of reality to prize has been avoided.

In embodiment 2, as shown in fig. 1 and 4, pull rods 18 are movably inserted into outer surfaces of two support plates 2, springs 17 are movably sleeved on outer surfaces of the two pull rods 18, a second impact block 20 is fixedly mounted on an outer surface of the device body 1, one end of each spring 17 is fixedly connected with an inner wall of each support plate 2, the other end of each spring 17 is fixedly connected with an outer surface of each pull rod 18, one end of each pull rod 18 is fixedly connected with a pull handle 5, and the other end of each pull rod 18 is fixedly connected with a first impact block 19.

The effect that its whole embodiment 2 reached is, after the hoist and mount position adjustment that drags the hydro-cylinder with shield structure machine center sword was accomplished, at first outwards drag pull handle 5, pull handle 5 drives pull rod 18 outwards removal afterwards, pull rod 18 drives spring 17 and locks along the inner wall atress of extension board 2 afterwards, first striking block 19 is driven by pull rod 18 and is removed afterwards, loosen pull handle 5 afterwards, spring 17 is not atress at this moment and drives first striking block 19 through pull rod 18 and dash second striking block 20, first striking block 19 and second striking block 20 produce the collision drive device body 1 and produce the fine motion afterwards, the fine setting structure of shield structure machine center sword dragging hydro-cylinder has been increased, the actual striking dynamics is stable, and can not lead to the shell of device body 1 to produce deformation because operating personnel's dynamics size difference, the security has been improved.

The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention in other forms, and any person skilled in the art may apply the above modifications or changes to the equivalent embodiments with equivalent changes, without departing from the technical spirit of the present invention, and any simple modification, equivalent change and change made to the above embodiments according to the technical spirit of the present invention still belong to the protection scope of the technical spirit of the present invention.

Claims

1. The utility model provides a be used for shield structure machine center sword dragging oil cylinder hoist and mount position adjusting device, includes device body (1), its characterized in that: the device comprises a device body (1), two support plates (2) are fixedly welded on the outer surface of the device body (1), a fixed plate (3) is fixedly sleeved on the top of the device body (1), fixed nut seats (15) are fixedly welded on the tops of the two support plates (2), a transmission rod (16) is movably inserted in the centers of the two fixed nut seats (15), a bearing column (9) is fixedly connected to the inner wall of the fixed plate (3), a bearing (8) is movably sleeved on the outer surface of the bearing column (9), a worm wheel lifting ring (4) is fixedly connected to the top of the bearing (8), a front fixed seat (7) is fixedly installed on the inner wall of the fixed plate (3), a rear fixed seat (10) is fixedly installed on the inner wall of the fixed plate (3), and the center of the front fixed seat (7) is in transmission connection with the center of the rear fixed seat (10) through a worm (6), the device is characterized in that a positioning pin shaft (11) is fixedly mounted on the inner wall of the fixing plate (3), pull rods (18) are movably inserted into the outer surfaces of the support plates (2), springs (17) are movably sleeved on the outer surfaces of the pull rods (18), and a second impact block (20) is fixedly mounted on the outer surface of the device body (1).

2. The device for adjusting the hoisting position of the center cutter dragging oil cylinder of the shield tunneling machine according to claim 1, characterized in that: and one ends of the two transmission rods (16) far away from the fixed nut seat (15) are fixedly sleeved with adjusting screws (14).

3. The device for adjusting the hoisting position of the center cutter dragging oil cylinder of the shield tunneling machine according to claim 1, characterized in that: the top of each support plate (2) is in threaded connection with the outer surface of the fixing plate (3) through a locking bolt (13), and the outer surface of each locking bolt (13) is fixedly sleeved with a lock washer (12).

4. The device for adjusting the hoisting position of the center cutter dragging oil cylinder of the shield tunneling machine according to claim 1, characterized in that: the fixed cover in surface of bearing (8) is equipped with half gear (21), the surface looks adaptation of the surface of half gear (21) and worm (6).

5. The device for adjusting the hoisting position of the center cutter dragging oil cylinder of the shield tunneling machine according to claim 1, characterized in that: one end of the spring (17) is fixedly connected with the inner wall of the support plate (2), and the other end of the spring (17) is fixedly connected with the outer surface of the pull rod (18).

6. The device for adjusting the hoisting position of the center cutter dragging oil cylinder of the shield tunneling machine according to claim 1, characterized in that: one end of the pull rod (18) is fixedly connected with a pull handle (5), and the other end of the pull rod (18) is fixedly connected with a first impact block (19).