Positioning structure for installing shield cutter

Abstract

The utility model discloses a positioning structure for installing a shield cutter, and belongs to the technical field of shield cutters. The positioning structure for shield cutter installation comprises a positioning frame, fastening clamping plates are arranged on the two sides of the lower end of the positioning frame, limiting clamping rows are installed on one sides of the fastening clamping plates, and an integrally-formed cutter connecting disc is arranged outside a cutter to be installed. The positioning structure solves the problems that in the actual using process of an existing positioning structure, the adjusting mode is single, the structure position is unstable, and operation is affected, fastening clamping plates on the two sides are inserted into the outer sides of tool connecting discs at the front end and the rear end of a tool to be installed, and the tool to be installed is fixed through pushing of telescopic rods in limiting clamping rows. The two sides of the to-be-mounted cutter are limited, the position of the to-be-mounted cutter is kept stable, the front end and the rear end of the to-be-mounted cutter are clamped through the fastening clamping plates, the position is kept stable, adaptability is high, and clamping and positioning work on different types of shield cutters is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of shield cutters, in particular to a positioning structure for shield cutter installation. Background Technique

[0002] Common cutters on a shield machine include hob cutters, cutter knives, scraping cutters, pilot cutters, etc. Different cutters are installed at different positions on the cutter head. During the existing cutter installation process, precise positioning of the cutter is required first before starting the installation. There is a lack of structures and devices for precise positioning of the cutter during the existing cutter installation process, resulting in greater difficulty in cutter installation.

[0003] Chinese Patent with the publication number CN217582130U discloses a portable installation structure for shield machine cutters, including a shield machine cutter, a U-shaped installation frame, and an adjustable positioning component; by setting an anti-drop chute on the U-shaped installation frame, the adjustable positioning component depends on the U-shaped installation frame and uses the U-shaped installation frame as a support, eliminating the hidden danger of structural fracture due to the too long force arm in the adjustable positioning component, and ensuring that the adjustable positioning component moves into place smoothly.

[0004] During the actual use of the positioning structure of the above patent, the adjustment method is single, the structural position is unstable, affecting the operation; therefore, it does not meet the existing requirements, and for this reason, we propose a positioning structure for shield cutter installation. Content of the Utility Model

[0005] The purpose of the utility model is to provide a positioning structure for shield cutter installation, which solves the problems of single adjustment method, unstable structural position, and affecting operation in the actual use of the positioning structure mentioned in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical solution: a positioning structure for shield cutter installation, including a positioning frame, a cutter to be installed for installation is fixed below the positioning frame, fastening clamping plates are arranged on both sides of the lower end of the positioning frame, a limit card row is installed on one side of the fastening clamping plate, an integrally formed cutter connection disk is arranged outside the cutter to be installed, and the two limit card rows are respectively embedded outside the cutter connection disk and are in fit with the cutter connection disk.

[0007] Preferably, positioning holes are integrally formed on the surface of the cutter connection disk, and the positioning holes are used for fixed connection with the shield machine.

[0008] Preferably, a guiding groove is arranged inside the positioning frame, the upper end of the fastening clamping plate extends into the guiding groove and is slidably connected with the positioning frame, and a pressure spring is installed in the middle of the fastening clamping plate. Through the guiding groove and the pressure spring, the whole cutter to be installed is clamped and fixed to keep the position stable.

[0009] Preferably, a telescopic rod is installed between the fastening clamping plate and the limit clamping row. A compression spring is connected to the rear end of the telescopic rod, and the telescopic rod extends into the fastening clamping plate and is slidably connected to the fastening clamping plate through the compression spring.

[0010] Preferably, guide wheels are arranged inside the limit clamping row. The guide wheels are rotatably connected to the limit clamping row through bearings, and the guide wheels are slidably connected to the tool connecting disc. The front and rear ends of the tool to be installed are clamped by the fastening clamping plate to keep the position stable, with strong adaptability, which is beneficial to the clamping and positioning work of different types of shield tools.

[0011] Preferably, a threaded rod penetrates through the positioning frame. The threaded rod is rotatably connected to the positioning frame through a bearing. A push block is installed at the lower end of the threaded rod. The push block is in contact with the upper end of the tool to be installed. The push block is rotatably connected to the threaded rod through a bearing. A positioning shaft sleeve is installed at the upper end of the threaded rod. A rotating frame is installed outside the positioning shaft sleeve. The guide wheels inside the limit clamping row cooperate with the telescopic rod to keep the position of the tool to be installed stable, improve the adjustment effect, and are beneficial to the positioning and installation work.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0013] 1. The positioning frame of the present utility model inserts the fastening clamping plates on both sides into the outside of the tool connecting discs at the front and rear ends of the tool to be installed, and is pushed by the telescopic rod inside the limit clamping row to limit both sides of the tool to be installed, keeping the position of the tool to be installed stable. And the front and rear ends of the tool to be installed are clamped by the fastening clamping plate to keep the position stable, with strong adaptability, which is beneficial to the clamping and positioning work of different types of shield tools.

[0014] 2. The threaded rod arranged at the upper end of the positioning frame of the present utility model drives the threaded rod to rotate by connecting a driving motor. The threaded rod pushes the push block to squeeze the tool to be installed, so that the position of the tool to be installed is adjusted inside the limit clamping row. The guide wheels inside the limit clamping row cooperate with the telescopic rod to keep the position of the tool to be installed stable, improve the adjustment effect, and are beneficial to the positioning and installation work. Description of the Drawings

[0015] Figure 1 Is an axonometric view of the front view of the present utility model;

[0016] Figure 2 Is an axonometric view of the top view of the present utility model;

[0017] Figure 3 Is an axonometric view of the front view of the present utility model installed horizontally.

[0018] In the figure: 1. Tool to be installed; 101. Tool connection plate; 2. Positioning frame; 201. Tightening clamping plate; 202. Limit card row; 203. Telescopic rod; 204. Guide wheel; 3. Threaded rod; 301. Pushing block; 302. Rotating frame; 303. Positioning bushing. Detailed implementation manners

[0019] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0020] In order to solve the problems that in the actual use process of the existing positioning structure, the adjustment method is single, the structural position is unstable, and the operation is affected, please refer to Figure 1 - Figure 3 This embodiment provides the following technical solutions:

[0021] A positioning structure for shield tool installation, including a positioning frame 2. A tool 1 to be installed for installation is fixed below the positioning frame 2. Tightening clamping plates 201 are arranged on both sides of the lower end of the positioning frame 2. A limit card row 202 is installed on one side of the tightening clamping plate 201, and the two tightening clamping plates 201 are inserted outside the tool connection plates 101 at the front and rear ends of the tool 1 to be installed.

[0022] In addition, an integrally formed tool connection plate 101 is arranged outside the tool 1 to be installed. The two limit card rows 202 are respectively embedded outside the tool connection plate 101 and are in fit with the tool connection plate 101. The tool 1 to be installed is limited on both sides by the push of the telescopic rod 203 inside the limit card row 202 to keep the position of the tool 1 to be installed stable.

[0023] In addition, a guide groove is arranged inside the positioning frame 2. The upper end of the tightening clamping plate 201 extends into the guide groove and is slidably connected with the positioning frame 2. A pressure spring is installed in the middle of the tightening clamping plate 201. Through the guide groove and the pressure spring, the whole tool 1 to be installed is clamped and fixed to keep the position stable.

[0024] In addition, a telescopic rod 203 is installed between the tightening clamping plate 201 and the limit card row 202. A compression spring is connected to the rear end of the telescopic rod 203, and the telescopic rod 203 extends into the tightening clamping plate 201 and passes through the compression spring and is slidably connected with the tightening clamping plate 201. The front and rear ends of the tool 1 to be installed are clamped by the tightening clamping plate 201 to keep the position stable, with strong adaptability, which is beneficial to the clamping and positioning work of different types of shield tools.

[0025] Specifically, by inserting the fastening clamping plates 201 on both sides outside the tool connection disks 101 at the front and rear ends of the tool to be installed 1, and pushing through the telescopic rods 203 inside the limit card row 202, the two sides of the tool to be installed 1 are limited, the position of the tool to be installed 1 is kept stable, and the front and rear ends of the tool to be installed 1 are clamped by the fastening clamping plates 201 to keep the position stable, with strong adaptability, which is beneficial to the clamping and positioning work of different types of shield tools.

[0026] To solve the problem that the existing positioning structure is unstable in position, prone to errors, and affects installation during actual adjustment, please refer to Figure 1 - Figure 3 This embodiment provides the following technical solutions:

[0027] The surface of the tool connection disk 101 is provided with integrally formed positioning holes, and the positioning holes are used for fixedly connecting the shield machine.

[0028] In addition, a guide wheel 204 is arranged inside the limit card row 202. The guide wheel 204 is rotatably connected to the limit card row 202 through a bearing, and the guide wheel 204 is slidably connected to the tool connection disk 101. The guide wheel 204 inside the limit card row 202 cooperates with the telescopic rod 203 to keep the position of the tool to be installed 1 stable, improve the adjustment effect, and is beneficial to the positioning and installation work.

[0029] In addition, a threaded rod 3 penetrates through the inside of the positioning frame 2. The threaded rod 3 is rotatably connected to the positioning frame 2 through a bearing.

[0030] In addition, a push block 301 is installed at the lower end of the threaded rod 3. The push block 301 is attached to the upper end of the tool to be installed 1. The push block 301 is rotatably connected to the threaded rod 3 through a bearing. By squeezing the tool to be installed 1 with the push block 301, the position of the tool to be installed 1 is adjusted inside the limit card row 202.

[0031] In addition, a positioning shaft sleeve 303 is installed at the upper end of the threaded rod 3. A rotating frame 302 is installed outside the positioning shaft sleeve 303. By connecting the positioning shaft sleeve 303 to drive the motor to drive the threaded rod 3 to rotate, or manually twisting the rotating frame 302, the threaded rod 3 pushes the push block 301 to squeeze the tool to be installed 1, so that the position of the tool to be installed 1 is adjusted inside the limit card row 202.

[0032] Specifically, the threaded rod 3 provided at the upper end of the positioning frame 2 is driven to rotate by connecting the positioning shaft sleeve 303 to a drive motor. The threaded rod 3 pushes the push block 301 to squeeze the tool to be installed 1, so that the position of the tool to be installed 1 is adjusted inside the limit card row 202. The guide wheel 204 inside the limit card row 202 cooperates with the telescopic rod 203 to keep the position of the tool to be installed 1 stable, improve the adjustment effect, and is beneficial to the positioning and installation work.

[0033] Working principle: When in use, insert the fastening clamping plates 201 on both sides outside the tool connection disks 101 at the front and rear ends of the tool to be installed 1. Push through the telescopic rods 203 inside the limit card row 202 to limit both sides of the tool to be installed 1 and keep the position of the tool to be installed 1 stable. And clamp the front and rear ends of the tool to be installed 1 through the fastening clamping plates 201 to keep the position stable. It has strong adaptability and is beneficial to the clamping and positioning work of different types of shield tools. Through the guide groove and the pressure spring, the whole of the tool to be installed 1 is clamped and fixed to keep the position stable. Connect the driving motor through the positioning bushing 303 to drive the threaded rod 3 to rotate, or manually twist the rotating frame 302. The threaded rod 3 pushes the pushing block 301 to squeeze the tool to be installed 1, so that the position of the tool to be installed 1 is adjusted inside the limit card row 202. The guide wheels 204 inside the limit card row 202 cooperate with the telescopic rods 203 to keep the position of the tool to be installed 1 stable, improve the adjustment effect, and are beneficial to the positioning and installation work. Connect to the shield machine through the positioning holes on the surface of the tool connection disk 101.

[0034] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device.

[0035] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention.

Claims

1. A positioning structure for shield cutter installation, comprising a positioning frame (2), characterized in that, A to-be-installed tool (1) for installation is fixed below the positioning frame (2). Both sides of the lower end of the positioning frame (2) are provided with fastening clamping plates (201). A limiting card row (202) is installed on one side of the fastening clamping plate (201). An integrally formed tool connection disk (101) is arranged outside the to-be-installed tool (1). The two limiting card rows (202) are respectively embedded outside the tool connection disk (101) and are engaged with the tool connection disk (101).

2. The positioning structure for shield cutter installation according to claim 1, characterized in that: Positioning holes are integrally formed on the surface of the tool connection disk (101), and the positioning holes are used for fixedly connecting a shield machine.

3. The positioning structure for shield cutter installation according to claim 1, characterized in that: A guiding groove is arranged inside the positioning frame (2). The upper end of the fastening clamping plate (201) extends into the guiding groove and is slidably connected with the positioning frame (2). A pressure spring is installed in the middle of the fastening clamping plate (201).

4. A positioning structure for shield cutter installation according to claim 1, characterized in that: A telescopic rod (203) is installed between the fastening clamping plate (201) and the limiting card row (202). A compression spring is connected to the rear end of the telescopic rod (203), and the telescopic rod (203) extends into the fastening clamping plate (201) and passes through the compression spring and is slidably connected with the fastening clamping plate (201).

5. The positioning structure for shield cutter installation according to claim 1, characterized in that: Guide wheels (204) are arranged inside the limiting card row (202). The guide wheels (204) are rotatably connected with the limiting card row (202) through bearings, and the guide wheels (204) are slidably connected with the tool connection disk (101).

6. The positioning structure for shield cutter installation according to claim 1, characterized in that: A threaded rod (3) penetrates through the inside of the positioning frame (2). The threaded rod (3) is rotatably connected with the positioning frame (2) through a bearing. A pushing block (301) is installed at the lower end of the threaded rod (3). The pushing block (301) is attached to the upper end of the to-be-installed tool (1). The pushing block (301) is rotatably connected with the threaded rod (3) through a bearing. A positioning bushing (303) is installed at the upper end of the threaded rod (3). A rotating frame (302) is installed outside the positioning bushing (303).

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