Auxiliary tensioning tool suitable for large-diameter shield tunneling machine hinge ring

Abstract

The utility model relates to an auxiliary tool suitable for tensioning a hinge ring of a large-diameter shield tunneling machine, which comprises a tensioning frame, a jack, a first positioning plate and a second positioning plate, the first positioning plate is vertically welded on a front shield part of the shield tunneling machine, and the second positioning plate is vertically welded on a middle shield part of the shield tunneling machine. The number of the second positioning plates is not less than two, the second positioning plates are respectively positioned on two sides of the first positioning plate, the tensioning frame is a transversely arranged square frame, the jack is transversely arranged in the front part of the tensioning frame, the fixed section of the jack is propped against the first positioning plate, the telescopic section of the jack is propped against the front end of the tensioning frame, and the rear end of the tensioning frame is propped against the second positioning plates. The utility model aims to solve or at least alleviate the problem that a sealing strip is easy to damage when a jack is adopted to assemble a shield body, and provides an auxiliary tensioning tool suitable for a large-diameter shield tunneling machine hinge ring.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the shield machine assembly technical field especially relates to a kind of hinge ring tensioning auxiliary tool suitable for large-diameter shield machine. BACKGROUND

[0002] Shield machine is a kind of tunnel special machinery, in shield machine shield body assembly process, since shell is large diameter, shield body is usually assembled by block, the installation sequence of hinge ring is ground assembly hinge ring, installation hinge sealing and emergency air bag, hinge ring downhole installation, hinge ring and hinge cylinder connection, hinge ring and tail shield contact surface have a sealing strip, need to check whether sealing groove is intact before hoisting, it has more drawbacks to install shield body by traditional hydraulic pump station jack, more easily cause the influence of sealing strip breakage and damage, there is certain risk. UTILITY MODEL CONTENTS

[0003] The utility model aims at overcoming the insufficient in the prior art, solve or at least alleviate the problem of easy to cause sealing strip breakage and damage when using jack to assemble shield body, provide a kind of hinge ring tensioning auxiliary tool suitable for large-diameter shield machine.

[0004] The utility model is realized by the following technical schemes:

[0005] A kind of hinge ring tensioning auxiliary tool suitable for large-diameter shield machine, including tensioning frame, jack, first positioning plate and second positioning plate, the first positioning plate is vertically welded in the front shield portion of shield machine, the second positioning plate is vertically welded in the middle shield portion of shield machine, the number of second positioning plate is not less than two and is located at the two sides of first positioning plate respectively, the tensioning frame is the mouth-shaped frame of horizontal arrangement, the jack is horizontally arranged in the front portion of tensioning frame, the fixed section of jack is resisted to first positioning plate, telescopic section is resisted to the front end of tensioning frame, the rear end of tensioning frame is resisted to second positioning plate.

[0006] To further realize the utility model, the following technical solutions can be preferred:

[0007] Preferably, it further includes slide rod, the slide rod both ends are slidably arranged in the two sides of tensioning frame, the fixed section of jack is installed in the front side of slide rod, and the telescopic section of jack is fixedly installed in the front end of tensioning frame.

[0008] Preferably, the rear side middle part of slide rod is provided with first clamping plate, the cross section of first clamping plate is n-shaped, the horizontal section center of first clamping plate is rotatably arranged in the center of rear side of slide rod, and the first positioning plate is located between the two vertical sections of first clamping plate.

[0009] Preferably, the distance value between the two vertical sections of first clamping plate is greater than 1.5 times the thickness value of first clamping plate.

[0010] Preferably, the rear end front side of the tensioning frame is provided with second clamping plates, the second clamping plates are provided in equal number and one-to-one correspondence with the second positioning plates, the cross section of the second clamping plate is n-shaped, the horizontal section center of the second clamping plate is rotationally arranged at the rear end front side of the tensioning frame, and the second positioning plate is located between the two vertical sections of the second clamping plate.

[0011] Preferably, the distance between the two vertical sections of the second clamping plate is greater than 1.5 times the thickness of the second clamping plate.

[0012] Preferably, a sliding block is arranged between the second clamping plate and the tensioning frame, the sliding block is transversely arranged at the rear end front side of the tensioning frame, and the horizontal section center of the second clamping plate is rotationally arranged on the sliding block.

[0013] Preferably, a supporting rod is arranged at each corner of the tensioning frame, the supporting rod is vertically arranged and threadedly fitted on the tensioning frame.

[0014] Through the above technical scheme, the beneficial effects of the utility model are:

[0015] The number of the second positioning plates is multiple, each second positioning plate provides a stress point when the middle shield part of the shield machine is pulled, and the overall translation of the middle shield part of the shield machine is ensured to approach the front shield part of the shield machine. The staff can simultaneously observe the gap between the hinged ring and the front shield tail part in four directions, thereby reducing the risk of damage to the sealing strip. At the same time, the shield body assembly operation is beneficial to the rapid assembly of the shield body, so as to realize the standardization of the hinged ring and the front shield of the shield machine, the construction and installation are simple and convenient, the assembly efficiency is improved, the device is firm, durable, detachable, reusable, resource-saving, environment-friendly, and suitable for popularization and application. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structural schematic view of the utility model;

[0017] Figure 2 It is a top view of the utility model;

[0018] Wherein: 1-tensioning frame; 2-jack; 3-first positioning plate; 4-second positioning plate; 5-sliding rod; 6-first clamping plate; 7-second clamping plate; 8-sliding block; 9-supporting rod. DETAILED DESCRIPTION

[0019] In the description of the utility model, it needs to be explained that, unless otherwise explicitly provided and limited, the terms "arrangement", "installation", "connection", "connection" should be broadly understood, for example, it can be fixed connection, or detachable connection, or integrally connected, it can be mechanical connection, or electrical connection, it can be directly connected, or indirectly connected through intermediate medium, it can be the communication inside two elements, for the ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances.

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model, obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments, based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor belong to the scope of protection of the utility model.

[0021] Embodiment 1:

[0022] As shown in Figure 1 and Figure 2 A kind of auxiliary tool for large-diameter shield machine hinged ring tensioning is suitable for, including tensioning frame 1, jack 2, first positioning plate 3 and second positioning plate 4, first positioning plate 3 is vertically welded in the front shield of shield machine, second positioning plate 4 is vertically welded in the middle shield of shield machine, the number of second positioning plate 4 is not less than two and is located at the two sides of first positioning plate 3 respectively, tensioning frame 1 is horizontally arranged mouth-shaped frame, jack 2 is horizontally arranged in the front of tensioning frame 1, the fixed section of jack 2 is resisted to first positioning plate 3, the telescopic section is resisted to the front end of tensioning frame 1, and the rear end of tensioning frame 1 is resisted to second positioning plate 4.

[0023] Each second positioning plate 4 provides a stress point when pulling the middle shield of shield machine, to ensure that the middle shield of shield machine translates as a whole to approach the front shield. Workers observe the gap between the hinged ring and the front shield tail in four directions simultaneously, reducing the risk of damage to the sealing strip. At the same time, shield body assembly operation is beneficial to rapid assembly of shield body, to realize the standardization of shield machine hinged ring and front shield assembly, simple and convenient construction and installation, improve assembly efficiency, the device is firm and durable, can be disassembled and moved, reused, saves resources, is conducive to environmental protection, and is suitable for popularization and application.

[0024] In order to avoid repeated installation of jack 2 and ensure the stability of tensioning, it further comprises a slide rod 5, the slide rod 5 is slidably arranged at the two sides of the tensioning frame 1, the fixed section of the jack 2 is installed on the front side of the slide rod 5, and the telescopic section of the jack 2 is fixedly installed on the front end of the tensioning frame 1.

[0025] In order to improve practicability, guarantee stability and reliability during tensioning, the first clamping plate 6 is arranged at the middle of the rear side of the slide rod 5, the cross section of the first clamping plate 6 is n-shaped, the horizontal section center of the first clamping plate 6 is rotatably arranged at the center of the rear side of the slide rod 5, the first positioning plate 3 is located between the two vertical sections of the first clamping plate 6, and the distance between the two vertical sections of the first clamping plate 6 is greater than 1.5 times the thickness of the first clamping plate 6.

[0026] Meanwhile, the second clamping plate 7 is arranged at the front side of the rear end of the tensioning frame 1, the second clamping plate 7 is equal in number to the second positioning plate 4 and is arranged one by one, the cross section of the second clamping plate 7 is n-shaped, the horizontal section center of the first clamping plate 6 is rotatably arranged at the front side of the rear end of the tensioning frame 1, the second positioning plate 4 is located between the two vertical sections of the second clamping plate 7, and the distance between the two vertical sections of the second clamping plate 7 is greater than 1.5 times the thickness of the second clamping plate 7.

[0027] In order to make the positions of each second clamping plate 7 and each second positioning plate 4 correspond to each other, the slide block 8 is arranged between the second clamping plate 7 and the tensioning frame 1, the slide block 8 is transversely slidably arranged at the front side of the rear end of the tensioning frame 1, and the horizontal section center of the second clamping plate 7 is rotatably arranged at the slide block 8.

[0028] In order to keep the tensioning frame 1 in the transverse position during tensioning, the support rod 9 is arranged at each corner of the tensioning frame 1, the support rod 9 is vertically arranged and is threadedly fitted in the tensioning frame 1.

[0029] Finally, it should be noted that: the above is only the preferred embodiment of the present application, and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A large-diameter shield machine articulated ring tensioning auxiliary tooling, characterized in that, Including tension frame (1), jack (2), first positioning plate (3) and second positioning plate (4), the first positioning plate (3) is vertically welded to the front shield of the shield machine, the second positioning plate (4) is vertically welded to the middle shield of the shield machine, the number of second positioning plate (4) is not less than two and is located on both sides of the first positioning plate (3), the tension frame (1) is a cross-shaped frame arranged transversely, the jack (2) is arranged transversely in the front part of the tension frame (1), the fixed section of the jack (2) is abutted to the first positioning plate (3), the telescopic section is abutted to the front end of the tension frame (1), and the rear end of the tension frame (1) is abutted to the second positioning plate (4).

2. The auxiliary tooling for tensioning the articulated ring of a large-diameter shield tunneling machine according to claim 1, characterized in that, It also includes a slide rod (5), the slide rod (5) is slidably arranged at both ends of the tension frame (1), the fixed section of the jack (2) is mounted on the front side of the slide rod (5), and the telescopic section of the jack (2) is fixedly mounted on the front end of the tension frame (1).

3. The auxiliary tooling for tensioning the articulated ring of a large-diameter shield tunneling machine according to claim 2, characterized in that, The rear side of the slide rod (5) is provided with a first clamping plate (6), the cross section of the first clamping plate (6) is n-shaped, the horizontal section of the first clamping plate (6) is rotatably arranged at the center of the rear side of the slide rod (5), and the first positioning plate (3) is located between the two vertical sections of the first clamping plate (6).

4. The auxiliary tooling for tensioning the articulated ring of a large-diameter shield tunneling machine according to claim 3, characterized in that, The distance between the two vertical sections of the first clamping plate (6) is greater than 1.5 times the thickness of the first clamping plate (6).

5. The auxiliary tooling for tensioning the articulated ring of a large-diameter shield tunneling machine according to claim 1, characterized in that, The rear end of the tension frame (1) is provided with a second clamping plate (7), the second clamping plate (7) is equal in number to the second positioning plate (4) and is arranged one by one, the cross section of the second clamping plate (7) is n-shaped, the horizontal section of the first clamping plate (6) is rotatably arranged at the front side of the rear end of the tension frame (1), and the second positioning plate (4) is located between the two vertical sections of the second clamping plate (7).

6. The auxiliary tooling for tensioning the articulated ring of a large-diameter shield tunneling machine according to claim 5, characterized in that, The distance between the two vertical sections of the second clamping plate (7) is greater than 1.5 times the thickness of the second clamping plate (7).

7. The auxiliary tooling for tensioning the articulated ring of a large-diameter shield machine according to claim 5, characterized in that, The second clamping plate (7) and the tension frame (1) are provided with a sliding block (8), the sliding block (8) is transversely slidably arranged on the front side of the rear end of the tension frame (1), and the horizontal section of the second clamping plate (7) is rotatably arranged on the sliding block (8).

8. The auxiliary tooling for tensioning the articulated ring of a large-diameter shield tunneling machine according to claim 1, characterized in that, The tension frame (1) is provided with a supporting rod (9) at each corner, the supporting rod (9) is vertically arranged and threadedly fitted in the tension frame (1).

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