CN216247184U

CN216247184U - Shield constructs machine cutter wearing and tearing detection device

Info

Publication number: CN216247184U
Application number: CN202123020726.6U
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: 2021-12-04
Filing date: 2021-12-04
Publication date: 2022-04-08
Anticipated expiration: 2031-12-04

Abstract

The utility model discloses a shield tunneling machine cutter abrasion detection device which comprises a base, wherein a containing disc is arranged on the base, and a pressure sensor is arranged between the containing disc and the base; the mounting frame comprises a vertical rod fixedly arranged on the upper end surface of the base, a transverse plate is fixedly arranged at the upper end of the vertical rod, a moving arm is horizontally arranged on the lower side of the transverse plate and is fixedly connected with the moving arm through a vertically arranged hydraulic telescopic rod, a U-shaped plate I is further arranged on the lower side of one end, away from the vertical rod, of the moving arm, and a clamping assembly for clamping a cutter is arranged on the U-shaped plate I; the first U-shaped plate is connected with the moving arm through the rotating assembly. The method can be used for simulating and detecting the abrasion of the cutter of the shield machine, the cutter is pressed against the sample to rotate to simulate the actual working condition through the geological sample obtained from the construction position, and the abrasion degree of the cutter is detected, so that the actual abrasion degree of the cutter on the shield machine is accurately estimated.

Description

Shield constructs machine cutter wearing and tearing detection device

Technical Field

The utility model relates to the technical field of shield machine cutter detection, in particular to a shield machine cutter abrasion detection device.

Background

In the tunneling process of the shield tunneling machine, cutters arranged on a cutter head of the shield tunneling machine are abraded in different degrees, if the abrasion condition of the cutters of the shield tunneling machine cannot be mastered in time, and then the cutter replacement time is reasonably arranged, the construction efficiency of the shield tunneling machine can be seriously reduced, and in the serious case, great economic loss can be caused; however, the actual working environment of the shield machine cutter is severe, the currently adopted cutter abrasion detection modes are severe, and the accuracy is difficult to guarantee; aiming at the problem, the existing simulation detection mode is applied, when the shield machine works, simulation work is carried out on the shield machine cutter on the geological sample from the construction position or the geological sample in a laboratory, the cutter abrasion condition is observed, and the cutter abrasion condition of actual work is simulated and estimated, so that the abraded cutter can be replaced timely, and a complex monitoring structure is not required to be arranged at the shield machine cutter position.

Disclosure of Invention

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

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

a shield tunneling machine cutter wear detection device includes:

the device comprises a base, a pressure sensor and a control circuit, wherein a containing disc is arranged on the base, and the pressure sensor is arranged between the containing disc and the base;

the mounting frame comprises a vertical rod fixedly arranged on the upper end surface of the base, a transverse plate is fixedly arranged at the upper end of the vertical rod, a moving arm is horizontally arranged on the lower side of the transverse plate, the moving arm is fixedly connected with a sliding block, a sliding groove matched with the sliding block is formed in the vertical rod, the moving arm is fixedly connected with the moving arm through a vertically arranged hydraulic telescopic rod, a first U-shaped plate is further arranged on the lower side of one end, away from the vertical rod, of the moving arm, and a clamping assembly for clamping a cutter is arranged on the first U-shaped plate;

and the first U-shaped plate is connected with the moving arm through a rotating assembly.

Preferably, the clamping assembly comprises two moving blocks symmetrically arranged in a first U-shaped plate, the two moving blocks are both connected with the first U-shaped plate in a sliding mode, a rotating rod is horizontally arranged in the first U-shaped plate in a rotating mode, two sections of opposite threads are arranged on the rotating rod, the two moving blocks are respectively sleeved on the two sections of opposite threads in a threaded mode, one end of the rotating rod penetrates through the first U-shaped plate and is coaxially and fixedly connected with a first rotating handle, and fixing assemblies for fixing the cutter are arranged on the lower sides of the two moving blocks.

Preferably, the fixing assembly comprises a second U-shaped plate fixedly connected with the lower end of the moving block, threaded holes are formed in two side walls of the second U-shaped plate in a penetrating mode, a screw rod is arranged in each threaded hole in a matching mode, one end of the screw rod is coaxially and rotatably connected with the abutting block, and the other end of the screw rod is coaxially and fixedly connected with a second rotating handle.

Preferably, the resisting block is arranged in a T-shaped column shape.

Preferably, the runner assembly is including running through the through-hole that sets up on the carriage arm, the matching is provided with the actuating lever in the through-hole, the fixed type of falling L fixed plate that is provided with of carriage arm up end, the actuating lever upper end is rotated with type of falling L fixed plate and is connected, actuating lever lower extreme and U template fixed connection, the type of falling L fixed plate up end is installed and is driven actuating lever pivoted driving motor, the actuating lever passes through the bearing rotation with the carriage arm and is connected.

Preferably, a plurality of telescopic columns are arranged around the containing disc in a surrounding mode, and the upper ends of the telescopic columns are fixedly provided with cameras facing the containing disc.

Compared with the prior art, the utility model has the beneficial effects that: the device provides pressure through hydraulic telescoping rod, support the cutter on geological sample, two cutters have been set up simultaneously, let two cutters rotate the work on geological sample according to the actual work situation of shield structure machine, can change the turning radius of two cutters, thereby increase the suitability of simulation, and the device can be convenient carry out the centre gripping to the hobbing cutter of not unidimensional model, the operational environment of hobbing cutter in the actual shield structure machine of simulation that can be accurate, guarantee the wearing and tearing condition of cutter wearing and tearing condition laminating actual work cutter, guarantee certain wearing and tearing and detecting accuracy.

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 perspective view of the clamping assembly of the present invention.

In the figure: the device comprises a base 1, a mounting frame 2, a holding tray 11, a 12 telescopic rod, a 13 camera, a 21 vertical rod, a 22 transverse plate, a 23 moving arm, a 24 sliding block, a 25U-shaped plate I, a 26 clamping component, a 27 rotating component, a 28 hydraulic telescopic rod, a 261 moving block, a 262 rotating rod, a 263 rotating handle I, a 264U-shaped plate II, a 265 screw rod, a 266 abutting block, a 267 rotating handle II, a 271 driving rod, a 272 inverted L-shaped fixing plate, a 273 driving motor and a 274 bearing.

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 to 3, a wear detection device for a shield machine tool includes:

a base 1, a containing tray 11 is arranged on the base 1, a pressure sensor is arranged between the containing tray 11 and the base 1, the upper end surface of the containing tray 11 is a rough surface, when in detection, the friction force between the geological sample and the containing tray 11 is larger than the friction force between the geological sample and the cutter, so that the geological sample can be fixed, a weighing structure is formed between the containing disc 11 and the base 1 through the pressure sensor, the pressure borne by a geological sample can be displayed, the pressure is convenient to change and control, a plurality of telescopic columns 12 are arranged around the containing disc 11 in a surrounding mode, the telescopic columns 12 can be adjusted to adapt to geological samples with different heights, cameras 13 facing the containing disc 11 are fixedly arranged at the upper ends of the telescopic columns 12, the cameras 13 adopt the prior art to achieve the visual monitoring effect on the abrasion of a cutter, and light supplementing lamps are arranged on the cameras 13;

mounting bracket 2, mounting bracket 2 includes a fixed montant 21 that sets up at 1 up end of base, the fixed diaphragm 22 that is provided with in upper end of montant 21, diaphragm 22 downside level is provided with carriage arm 23, carriage arm 23 fixedly connected with slider 24, be provided with the spout that matches with slider 24 on the montant 21, carriage arm 23 can carry out the removal of vertical direction through slider spout structure, carriage arm 23 is through the hydraulic telescoping rod 28 and the carriage arm 23 fixed connection of a vertical setting, hydraulic telescoping rod 28 work can drive carriage arm 23 and carry out vertical removal, the hydraulic pressure that can change hydraulic telescoping rod 28 comes the control cutter to exert force to the geological sample.

In order to realize the installation effect on the cutter, ensure that the cutter can be stably contacted with a geological sample and simulate the actual working condition, in the device, the lower side of one end of a moving arm 23 far away from a vertical rod 21 is also provided with a U-shaped plate I25, the U-shaped plate I25 is provided with a clamping component 26 for clamping the cutter, the clamping component 26 comprises two moving blocks 261 symmetrically arranged in the U-shaped plate I25, the two moving blocks 261 are both connected with the U-shaped plate I25 in a sliding way, a rotating rod 262 is horizontally arranged in the U-shaped plate I25 in a rotating way, the rotating rod 262 is provided with two sections of opposite threads, the two moving blocks 261 are respectively sleeved on the two sections of opposite threads in a threaded way, one end of the rotating rod 262 penetrates through the U-shaped plate I25 and is coaxially and fixedly connected with a rotating handle I263, when the rotating handle I263 is rotated, the rotating rod 262 can be driven to rotate, the two sections of opposite threads synchronously drive the two moving blocks 261 to move so as to change the relative distance between the two cutters, the rotating radiuses of the two cutters are changed, and the simulation condition is controlled.

Hobbing cutter shape and size on the shield machine of difference is different, in order to satisfy and adapt to different hobbing cutter, in the device, two movable block 261 downside all are provided with the fixed subassembly that carries out the fixing to the cutter, fixed subassembly includes two 264 of U template with movable block 261 lower extreme fixed connection, it is provided with the screw hole all to run through on two 264 both sides walls of U template, and the threaded hole internal match is provided with screw rod 265, screw rod 265 one end coaxial rotation is connected with supports piece 266, the coaxial fixedly connected with swivel handle two 267 of screw rod 265 other end, can drive screw rod 265 and rotate through rotating swivel handle two 267, thereby change and support piece 266 position, two support piece 266 can carry out the centre gripping to the cutter fixedly, adapt to different cutters, support piece 266 and set up to the T type column, increase the fixed fastness of centre gripping.

U type board 25 is connected with carriage arm 23 through rotating assembly 27, rotating assembly 27 is including running through the through-hole of setting on carriage arm 23, the matching is provided with actuating lever 271 in the through-hole, the fixed type of falling L fixed plate 272 that is provided with of carriage arm 23 up end, actuating lever 271 upper end is rotated with type of falling L fixed plate 272 and is connected, actuating lever 271 lower extreme and U type board 25 fixed connection, type of falling L fixed plate 272 up end is installed and is driven actuating lever 271 pivoted driving motor 273, driving motor 273 adopts prior art, can drive actuating lever 271 and rotate, thereby realize driving two cutters and rotate, actuating lever 271 rotates with carriage arm 23 through bearing 274 and is connected, can carry out the load when guaranteeing actuating lever 271 pivoted, make the structure firm.

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. The utility model provides a shield constructs quick-witted cutter wearing and tearing detection device which characterized in that includes:

the device comprises a base (1), wherein a containing disc (11) is arranged on the base (1), and a pressure sensor is arranged between the containing disc (11) and the base (1);

the mounting rack (2) comprises a vertical rod (21) fixedly arranged on the upper end surface of the base (1), a transverse plate (22) is fixedly arranged at the upper end of the vertical rod (21), a moving arm (23) is horizontally arranged on the lower side of the transverse plate (22), a sliding block (24) is fixedly connected with the moving arm (23), a sliding groove matched with the sliding block (24) is formed in the vertical rod (21), the moving arm (23) is fixedly connected with the moving arm (23) through a vertically arranged hydraulic telescopic rod (28), a U-shaped plate I (25) is further arranged on the lower side of one end, away from the vertical rod (21), of the moving arm (23), and a clamping assembly (26) for clamping a tool is arranged on the U-shaped plate I (25);

the first U-shaped plate (25) is connected with the moving arm (23) through a rotating assembly (27).

2. The device for detecting the wear of the cutter of the shield tunneling machine according to claim 1, wherein the clamping assembly (26) comprises two moving blocks (261) symmetrically arranged in a first U-shaped plate (25), both of the two moving blocks (261) are slidably connected with the first U-shaped plate (25), a rotating rod (262) is horizontally arranged in the first U-shaped plate (25) in a rotating mode, two sections of opposite threads are arranged on the rotating rod (262), the two moving blocks (261) are respectively sleeved on the two sections of opposite threads in a threaded mode, one end of the rotating rod (262) penetrates through the first U-shaped plate (25) and is coaxially and fixedly connected with a first rotating handle (263), and a fixing assembly for fixing the cutter is arranged on the lower side of each of the two moving blocks (261).

3. The wear detection device for the shield tunneling machine cutter according to claim 2, wherein the fixing assembly comprises a second U-shaped plate (264) fixedly connected with the lower end of the moving block (261), threaded holes are formed in two side walls of the second U-shaped plate (264) in a penetrating mode, a screw rod (265) is arranged in each threaded hole in a matching mode, one end of the screw rod (265) is coaxially and rotatably connected with a resisting block (266), and the other end of the screw rod (265) is coaxially and fixedly connected with a second rotating handle (267).

4. The wear detection device for the shield tunneling machine tool according to claim 3, wherein the abutting block (266) is configured as a T-shaped column.

5. The wear detection device for the shield tunneling machine cutter according to claim 1, wherein the rotating assembly (27) includes a through hole penetrating through the moving arm (23), a driving rod (271) is disposed in the through hole in a matching manner, an inverted L-shaped fixing plate (272) is fixedly disposed on an upper end surface of the moving arm (23), an upper end of the driving rod (271) is rotatably connected to the inverted L-shaped fixing plate (272), a lower end of the driving rod (271) is fixedly connected to the first U-shaped plate (25), a driving motor (273) for driving the driving rod (271) to rotate is mounted on the upper end surface of the inverted L-shaped fixing plate (272), and the driving rod (271) is rotatably connected to the moving arm (23) through a bearing (274).

6. The wear detection device for the shield tunneling machine cutter according to claim 1, wherein a plurality of telescopic columns (12) are arranged around the containing disc (11), and a camera (13) facing the containing disc (11) is fixedly arranged at the upper end of each of the plurality of telescopic columns (12).