CN216305927U

CN216305927U - Device for rapidly disassembling cutter of shield machine

Info

Publication number: CN216305927U
Application number: CN202123223110.9U
Authority: CN
Inventors: 谭德文; 俞迎建
Original assignee: Hunan Detiandun Construction Machine Tool Co ltd
Current assignee: Hunan Detiandun Construction Machine Tool Co ltd
Priority date: 2021-12-21
Filing date: 2021-12-21
Publication date: 2022-04-15
Anticipated expiration: 2031-12-21

Abstract

The utility model discloses a device for quickly disassembling a cutter of a shield machine, which comprises a cutter mounting cylinder, wherein the cutter mounting cylinder is arranged in a mounting hole of the shield machine in a matching manner, a slot is formed in the upper end surface of the cutter mounting cylinder, a hoisting connection point is fixedly arranged on the inner bottom wall of the slot, the cutter mounting cylinder is connected with the shield machine through a quick fixing assembly, a cutter placing groove is formed in the front end of the cutter mounting cylinder, and a cutter mounting assembly is arranged in the cutter placing groove; two limiting strips are symmetrically arranged on the inner wall of the mounting hole of the shield tunneling machine, and limiting grooves matched with the limiting strips are formed in the two sides of the cutter mounting cylinder. The utility model aims at improving the mounting structure of the prior knife barrel, which needs to screw more bolts when mounting and dismounting, can quickly dismount the knife barrel without influencing the fixing stability of the knife barrel, and is more convenient to dismount the knife from the knife barrel.

Description

Device for rapidly disassembling cutter of shield machine

Technical Field

The utility model relates to the technical field of shield tunneling machine cutter head and cutter dismounting, in particular to a device for quickly dismounting a shield tunneling machine cutter.

Background

The shield machine is a tunnel tunneling machine using a shield method, soil is excavated while being pushed forwards along the axis of a tunnel through a cylindrical steel component, the excavation action is mainly realized through cutters such as a plurality of hobbing cutters, scrapers and the like, the cutters need to be replaced after being used for a certain time, and the tunneling effect of the whole shield machine is ensured. The cutter of a present shield structure machine is installed in the cutter barrel, the cutter barrel is installed after being inserted into the mounting hole in the shield structure machine, the cutter barrel is required to be pulled out integrally during cutter disassembly and assembly, the mode that the cutter barrel is fixed on the shield structure machine for cutter installation is realized through a flange structure, the firmness is ensured in the process of tunneling the shield structure machine for ensuring the cutter, the firmness of cutter barrel installation is required to be maintained, therefore, the flange structure for fixing the cutter barrel is required to be provided with more mounting holes, namely, the cutter barrel is fixed through more bolts, more bolts are required to be unscrewed when the cutter barrel is disassembled, the labor intensity of disassembly and replacement personnel is high, and the disassembly time is long.

To this end, we propose a device for rapidly disassembling the shield machine cutter to solve the above problems.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a device for quickly disassembling a shield tunneling machine cutter.

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

a device for quickly disassembling a cutter of a shield machine comprises a cutter mounting cylinder, wherein the cutter mounting cylinder is arranged in a mounting hole of the shield machine in a matching manner, a slot is formed in the upper end surface of the cutter mounting cylinder, a hoisting connection point is fixedly arranged on the inner bottom wall of the slot, the cutter mounting cylinder is connected with the shield machine through a quick fixing assembly, a cutter placing groove is formed in the front end of the cutter mounting cylinder, and a cutter mounting assembly is arranged in the cutter placing groove;

two limiting strips are symmetrically arranged on the inner wall of the mounting hole of the shield tunneling machine, and limiting grooves matched with the limiting strips are formed in the two sides of the cutter mounting cylinder.

Preferably, quick fixed subassembly includes that a rotating sleeve establishes the rolling disc on the cutter installation section of thick bamboo, the mounting hole is around fixed being provided with a plurality of spacing posts, the last spacing opening that is provided with a plurality of and spacing post matching of winding of rolling disc, the rolling disc bilateral symmetry is provided with two fixing bases, and two the fixing base all with shield structure machine fixed connection, the rolling disc bilateral symmetry is provided with two retaining members that correspond with the fixing base.

Preferably, the cross-section of spacing post is the T type, spacing opening includes a circular through-hole and rather than the arc opening of intercommunication, the fixed two spacing strips of arc that are provided with of symmetry on two inner walls of arc opening, two the spacing strip setting of arc is in the arc opening is close to one side opening of mounting hole.

Preferably, the fixing base is close to the one end of rolling disc and is personally submitted the arc, the fixing base other end is personally submitted planar, retaining member and rolling disc fixed connection, and the retaining member is arc platelike, the terminal surface that the rolling disc was kept away from to the retaining member is the arc and matches the counterbalance with the fixing base, process out the plane section on the retaining member was close to the terminal surface of rolling disc, be provided with first screw hole on the retaining member, be provided with the second screw hole that matches with first screw hole on the fixing base.

Preferably, the cutter mounting assembly comprises two rectangular slots symmetrically arranged on the upper side and the lower side of the cutter mounting barrel, the two rectangular slots are communicated with the cutter placing groove through a through hole, a cutter fixing rod is vertically arranged in the cutter placing groove, two ends of the cutter fixing rod penetrate through the two through holes respectively and extend into the two rectangular slots, and limiting nuts are sleeved on two ends of the cutter fixing rod in a threaded manner.

Preferably, a hexagonal mounting disc is fixedly arranged on the end face, close to the rotating disc, of the cutter mounting cylinder.

Compared with the prior art, the utility model has the beneficial effects that: the device improves current cutter barrel structure for the cutter installation, the sword bucket after the improvement is when dismantling, only need to unscrew less bolt, then rotate the rolling disc and can realize dismantling the action, make dismantlement personnel's intensity of labour reduce, the takedown time greatly reduced, this sword bucket is through the chucking effect of a plurality of spacing posts to the rolling disc simultaneously, spacing post sets up the figure and is equivalent with present bolt fastening figure, guarantee the fastness of whole sword bucket when carrying out the fixing, this sword bucket is also comparatively convenient and fast to the dismantlement and the installation of cutter simultaneously.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic perspective view of another aspect of the present invention.

Fig. 3 is a schematic plan view of another view angle of the present invention (the position-limiting post is clipped into the arc-shaped opening).

Fig. 4 is a schematic perspective view of a limiting opening according to the present invention.

Fig. 5 is a schematic perspective view of the cutter mounting cylinder of the present invention inserted into a shield tunneling machine.

In the figure: 1 cutter installation cylinder, 2 spacing strips, 3 hexagon mounting discs, 11 hoist and mount tie points, 12 quick fixed subassemblies, 13 cutter installation subassemblies, 121 rolling disc, 122 spacing post, 123 fixing base, 124 retaining member, 131 cutter dead lever, 132 limit nut.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-5, an apparatus for quickly disassembling a shield tunneling machine tool includes:

the structure for fixing the cutter on the shield machine is applied in the field of the existing shield machine, and further description is omitted, the upper end face of the cutter mounting cylinder 1 is provided with a groove, the inner bottom wall of the groove is fixedly provided with a hoisting connection point 11, and after the cutter mounting cylinder 1 is drawn out by using an oil cylinder, the hoisting connection point 11 is connected with tools such as an electric hoist and the like, so that the cutter mounting cylinder 1 is dismounted and transferred;

in order to solve the problem that the existing knife barrel is often fixed through a plurality of bolts when being installed and is inconvenient to disassemble due to the fact that the knife barrel is guaranteed to function as a cutter, in the device, a cutter installation barrel 1 is connected with a shield machine through a quick fixing assembly 12, the quick fixing assembly 12 comprises a rotating disc 121 which is rotatably sleeved on the cutter installation barrel 1, the rotating disc 121 can rotate, a plurality of limiting columns 122 are fixedly arranged around an installation hole, the limiting columns 122 are arranged around the installation hole and play a role in fixing the knife barrel, therefore, the limiting columns 122 are fixedly connected with the shield machine body, the limiting columns 122 are perpendicular to the inner face of the shield machine body and can be arranged and connected in a welding mode, a plurality of limiting openings matched with the limiting columns 122 are arranged around the rotating disc 121, the cross sections of the limiting columns 122 are in a T shape, the limiting opening comprises a circular through hole and an arc-shaped opening communicated with the circular through hole, two arc-shaped limiting strips are symmetrically and fixedly arranged on two inner walls of the arc-shaped opening, the two arc-shaped limiting strips are arranged in one side opening of the arc-shaped opening, which is close to the mounting hole, in the process of inserting the tool mounting cylinder 1 into the mounting hole, the plurality of limiting columns 122 are respectively and correspondingly inserted into the plurality of circular through holes, then the rotating disc 121 is rotated to enable the plurality of limiting columns 122 to respectively enter the plurality of arc-shaped openings, the positions of the limiting columns 122 can be limited by the two limiting strips, the plurality of limiting columns 122 clamp and limit the rotating disc 121, and meanwhile, the number of the limiting columns 122 is not less than that of bolts on the existing flange structure, so that the fixing firmness of the rotating disc 121 can be guaranteed;

after the restriction between the rotating disc 121 and the limiting column 122 is completed, the rotation of the rotating disc 121 needs to be restricted, thereby realizing the integral fixation, in the device, two fixing seats 123 are symmetrically arranged on both sides of the rotating disc 121, and both the two fixing seats 123 are fixedly connected with the shield machine, two locking parts 124 corresponding to the fixing seats 123 are symmetrically arranged on both sides of the rotating disc 121, one end surface of the fixing seat 123 close to the rotating disc 121 is arc-shaped, the other end surface of the fixing seat 123 is plane-shaped, the locking part 124 is fixedly connected with the rotating disc 121, and the end surface of the locking part 124 far away from the rotating disc 121 is arc-shaped and is matched and abutted with the fixing seats 123, a plane section is processed on the end surface of the locking part 124 close to the rotating disc 121, the plane of the fixing seat 123 and the plane section on the locking part 124 are both convenient for the locking of the bolt piece, and a first threaded hole is arranged on the locking part 124, the fixing seat 123 is provided with a second threaded hole matched with the first threaded hole, and the fixing can be completed by matching the first threaded hole with the second threaded hole by using tools such as bolts and the like, so that the rotation of the rotating disc 121 is limited, the fixing of the whole knife barrel is completed, and the number of the fixing seats 123 and the number of the second threaded holes on the locking part 124 can be set according to actual conditions;

a cutter placing groove is formed in the front end of the cutter mounting barrel 1, a cutter mounting assembly 13 is arranged in the cutter placing groove, the cutter mounting assembly 13 comprises two rectangular grooves symmetrically arranged on the upper side and the lower side of the cutter mounting barrel 1, the two rectangular grooves are communicated with the cutter placing groove through a communicating hole, a cutter fixing rod 131 is vertically arranged in the cutter placing groove, two ends of the cutter fixing rod 131 respectively penetrate through the two communicating holes and extend into the two rectangular grooves, limiting nuts 132 are sleeved on two ends of the cutter fixing rod 131 through threads, when the cutter needs to be dismounted, the two limiting nuts 132 are directly unscrewed, so that the cutter fixing rod 131 can be pulled out, and the cutter can be dismounted quickly;

in the actual installation process, in order to ensure the fixation of the position of the cutter, the insertion position of the cutter barrel needs to be ensured to be constant, so that two limiting strips 2 are symmetrically arranged on the inner wall of the installation hole of the shield tunneling machine, and limiting grooves matched with the limiting strips 2 are arranged on two sides of the cutter installation cylinder 1;

according to actual disassembly needs, the knife barrel is generally pulled out through the oil cylinder at present, the telescopic end of the oil cylinder needs to be conveniently connected with the knife barrel, and therefore the hexagonal mounting disc 3 is fixedly arranged on the end face, close to the rotating disc 121, of the knife mounting cylinder 1.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A device for quick disassembly of a shield tunneling machine cutter, comprising:

the shield tunneling machine tool comprises a tool mounting barrel (1), wherein the tool mounting barrel (1) is arranged in a mounting hole of the shield tunneling machine in a matching mode, a groove is formed in the upper end face of the tool mounting barrel (1), a hoisting connection point (11) is fixedly arranged on the inner bottom wall of the groove, the tool mounting barrel (1) is connected with the shield tunneling machine through a quick fixing assembly (12), a tool placing groove is formed in the front end of the tool mounting barrel (1), and a tool mounting assembly (13) is arranged in the tool placing groove;

the inner wall of the mounting hole of the shield tunneling machine is symmetrically provided with two limiting strips (2), and both sides of the cutter mounting cylinder (1) are provided with limiting grooves matched with the limiting strips (2).

2. The device for rapidly disassembling the shield tunneling machine cutter according to claim 1, wherein the rapid fixing assembly (12) comprises a rotating disc (121) rotatably sleeved on the cutter mounting cylinder (1), a plurality of limiting posts (122) are fixedly arranged around the mounting hole, a plurality of limiting openings matched with the limiting posts (122) are arranged around the rotating disc (121), two fixing seats (123) are symmetrically arranged on two sides of the rotating disc (121), both fixing seats (123) are fixedly connected with the shield tunneling machine, and two locking members (124) corresponding to the fixing seats (123) are symmetrically arranged on two sides of the rotating disc (121).

3. The device for rapidly disassembling the shield tunneling machine cutter according to claim 2, wherein the cross section of the limiting column (122) is T-shaped, the limiting opening comprises a circular through hole and an arc-shaped opening communicated with the circular through hole, two arc-shaped limiting strips are symmetrically and fixedly arranged on two inner walls of the arc-shaped opening, and the two arc-shaped limiting strips are arranged in an opening at one side of the arc-shaped opening close to the mounting hole.

4. The device for rapidly dismounting the cutter of the shield tunneling machine according to claim 2, wherein one end face of the fixed seat (123) close to the rotating disc (121) is arc-shaped, the other end face of the fixed seat (123) is plane-shaped, the locking member (124) is fixedly connected with the rotating disc (121), the locking member (124) is arc-shaped and plate-shaped, the end face of the locking member (124) far away from the rotating disc (121) is arc-shaped and is matched and abutted against the fixed seat (123), a plane section is processed on the end face of the locking member (124) close to the rotating disc (121), a first threaded hole is formed in the locking member (124), and a second threaded hole matched with the first threaded hole is formed in the fixed seat (123).

5. The device for rapidly disassembling the shield tunneling machine cutter according to claim 1, wherein the cutter mounting assembly (13) comprises two rectangular slots symmetrically disposed on the upper and lower sides of the cutter mounting cylinder (1), both of the rectangular slots are communicated with the cutter placing groove through a communicating hole, a cutter fixing rod (131) is vertically disposed in the cutter placing groove, both ends of the cutter fixing rod (131) respectively penetrate through the two communicating holes and extend into the two rectangular slots, and both ends of the cutter fixing rod (131) are threadedly sleeved with a limit nut (132).

6. The device for rapidly disassembling the shield tunneling machine cutter according to claim 1, characterized in that a hexagonal mounting plate (3) is fixedly disposed on the end surface of the cutter mounting cylinder (1) close to the rotating plate (121).