Tunnel lining crack repairing device

Abstract

The utility model provides a tunnel lining crack repairing device, which belongs to the technical field of tunnel lining crack repairing devices and structurally comprises a lifting frame, a supporting end is hinged to the top end of the lifting frame through a rotator in an angle swinging manner, and a plurality of supporting telescopic rods are arranged at the upper end of the lifting frame in an annular array manner. A plurality of stable ends abut against the left bottom face and the right bottom face of the supporting end, the tunnel lining crack repairing device is formed, all abutting-pressing heads on the supporting end of the device are arranged and designed according to the arc top arc line of a tunnel, when a supporting formwork abuts against a lining crack, multi-point-position stress supporting of the bottom face of the supporting formwork can be conducted by adjusting all the abutting-pressing heads, and therefore the supporting formwork can be used for repairing the lining crack. The supporting formwork deforms to be matched with the arc line of the tunnel arc top, the problems that the supporting formwork is fixed through screwing of screws, and excessive heads of the screws need to be ground off after the formwork is dismantled are effectively avoided, time and labor are saved, and practicability is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to a tunnel lining crack repairing device belongs to tunnel lining crack repairing device technical field. BACKGROUND

[0002] Lining refers to the deformation or collapse of surrounding rock, and the permanent support structure is constructed along the tunnel hole body periphery with reinforced concrete and other materials.

[0003] In the crack repairing process of lining, the support template needs to be installed, and the existing support template is generally fixed by directly screwing on the lining side, and the excess head of the screw needs to be ground off after the template is removed, which is time-consuming and laborious, and has certain damage to the lining structure, aiming at the above problems, the utility model provides a tunnel lining crack repairing device. UTILITY MODEL CONTENTS

[0004] In view of the deficiencies in the prior art, the utility model aims to provide a tunnel lining crack repairing device to solve the existing problems.

[0005] In order to realize the above-mentioned purpose, the utility model is realized through the following technical scheme: a tunnel lining crack repairing device, the structure comprises a lifting frame, the lifting frame top end is hinged with a support end through a rotator for angle swing, and the lifting frame upper end is provided with a plurality of support telescopic rods in annular array, the left and right bottom surfaces of the support end are provided with a plurality of stable ends;

[0006] The support end comprises an angle adjusting frame, an adjusting cavity is formed in the middle of the angle adjusting frame, a first arc surface is formed on the top surface of the angle adjusting frame, a plurality of pressing heads are threadedly connected on the first arc surface at equal intervals, and the lower end of each pressing head extends into the adjusting cavity.

[0007] Further improvement is that the lifting frame is composed of an outer arm and an inner arm, a plurality of stretchers are arranged between the outer arm and the inner arm to drive the lifting of the inner arm.

[0008] Further improvement is that each pressing head comprises a pressing plate, a rotating seat and a first screw rod are arranged in the middle of the bottom surface of the pressing plate, a plurality of stable sliding rods are arranged on the left and right sides of the bottom surface of the pressing plate, and a second arc surface is formed on the top surface of the pressing plate.

[0009] Further improvement is that each support telescopic rod is composed of an outer rod and an inner rod through a positioning plug rod clamping movable sleeve, a fixing seat is hinged to the top surface of the inner rod, a plurality of through holes for positioning plug rod insertion distance adjustment are arranged on the inner rod body at intervals, and a plug is threadedly connected to the lower end of the outer rod.

[0010] Further improvement is that each of the stabilizing ends comprises a horizontal seat, a second screw rod is vertically screwed on the horizontal seat, and a spherical surface is formed on the top surface of the second screw rod for supporting the bottom surface of the angle adjusting frame.

[0011] The tunnel lining crack repairing device has the advantages that:

[0012] The tunnel lining crack repairing device comprises a lifting frame, a supporting end, a rotator, a supporting telescopic rod and a stabilizing end. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 Fig. 1 is a structural schematic view of the tunnel lining crack repairing device according to the present application;

[0014] Figure 2 Fig. 2 is a structural schematic view of the lifting frame according to the present application;

[0015] Figure 3 Fig. 3 is a structural schematic view of the pressing head according to the present application;

[0016] Figure 4 Fig. 4 is a structural schematic view of the supporting telescopic rod according to the present application;

[0017] Figure 5 Fig. 5 is a structural schematic view of the stabilizing end according to the present application. DETAILED DESCRIPTION

[0018] In order to make the technical means, creative features, purposes and effects of the present application easy to understand, the present application is further described below in combination with specific embodiments.

[0019] Please refer to Figures 1-5The utility model discloses a tunnel lining crack repair device schematic diagram technical scheme: its structure includes the lifting frame 1, and the lifting frame 1 top end is swinged and is hinged to the support end 2 through the rotator 3, and the lifting frame 1 upper end is provided with a plurality of support telescopic link 4 according to annular array, the support end 2 left and right bottom surface is provided with a plurality of stable end 5, the support end 2 includes angle adjusting frame 21, and the angle adjusting frame 21 middle part is passed through and is set up adjusting cavity 22, and the angle adjusting frame 21 top surface is set up first arc face 23, a plurality of pressure head 24 are screw -threaded at equal intervals and are connected on first arc face 23, and each pressure head 24 lower end extends to the adjusting cavity 22 cavity.

[0020] The lifting frame 1 is formed by the outer arm 11 and the inner arm 12, and a plurality of telescopic devices 13 are arranged between the outer arm 11 and the inner arm 12 to drive the lifting of the inner arm 12.

[0021] Each of the pressure heads 24 includes a pressing plate 241, a rotating seat 242 and a first screw rod 243 are arranged on the bottom surface of the pressing plate 241, a plurality of stable slide rods 244 are arranged on the left and right sides of the bottom surface of the pressing plate 241, and a second arc surface 245 is arranged on the top surface of the pressing plate 241.

[0022] Each of the support telescopic rods 4 is formed by the outer rod 41 and the inner rod 42 through the positioning plug rod 43 clamping active sleeve, the top surface of the inner rod 42 is hinged to a fixing seat 44, a plurality of through holes 45 for positioning the plug rod 43 are arranged on the rod body of the inner rod 42, and a plug 46 is screw-connected to the lower end of the outer rod 41.

[0023] Each of the stable ends 5 includes a horizontal seat 51, a second screw rod 52 is screw-connected to the horizontal seat 51, and a spherical surface 53 is arranged on the top surface of the second screw rod 52 to support the bottom surface of the angle adjusting frame 21.

[0024] Working principle:

[0025] In use, according to the position and height of the support template installation, first adjust the telescopic device 13 to rise, lengthen the inner arm 12, then rotate the angle of the support end 2 through the rotator 3, when the support end 2 is adjusted, lock through the second screw rod 52 on the stabilizing end 5, make the spherical surface 53 press against the bottom surface of the left and right sides of the main angle adjusting frame 21 respectively, enhance the force stability of the angle adjusting frame 21, avoid the force of the rotator 3, then expand through each support telescopic rod 4, and extend through the cooperation of the outer rod 41 and the inner rod 42 through the positioning plug rod 43, then reversely rotate the plug 46, make the plug 46 fixedly plug into the ground, at this time the lifting frame 1 will be very stable, then temporarily press the support template against the lining crack, then adjust each pressing head 24 to rise and extend outward, make the second arc surface 245 of the multiple pressing plates 241 press and fix the bottom surface of the support template in a spaced multi-point manner, finally perform high-pressure grouting repair work on the lining crack at the position of the support template.

[0026] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above, for those skilled in the art, obviously, the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic features of the utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above description, therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0027] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description manner of the specification is only for the sake of clarity, those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be properly combined to form other embodiments that those skilled in the art can understand.

Claims

1. A tunnel lining crack repair device, characterised in that: Its structure includes lifting frame, and the top end of lifting frame is hinged with support end through rotator for angle swing, and the upper end of lifting frame is provided with a plurality of support telescopic rods in annular array, and the left and right bottom surfaces of support end are provided with a plurality of stable ends; The support end comprises an angle adjusting frame, an adjusting cavity is formed in the middle of the angle adjusting frame, and a first arc surface is formed on the top surface of the angle adjusting frame, a plurality of pressing heads are threadedly connected on the first arc surface at equal intervals, and the lower end of each pressing head extends into the adjusting cavity.

2. A tunnel lining crack repair device according to claim 1, characterised in that: The lifting frame is composed of an outer arm and an inner arm, and a plurality of telescopic devices are arranged between the outer arm and the inner arm to drive the lifting of the inner arm.

3. A tunnel lining crack repair device according to claim 2, characterised in that: Each of the pressing heads comprises a pressing plate, a rotating seat and a first screw rod are arranged in the middle of the bottom surface of the pressing plate, a plurality of stable slide rods are arranged on the left and right sides of the bottom surface of the pressing plate, and a second arc surface is formed on the top surface of the pressing plate.

4. A tunnel lining crack repair device according to claim 3, characterised in that: Each of the support telescopic rods is composed of an outer rod and an inner rod through a positioning plug rod clamping, a fixing seat is hinged to the top surface of the inner rod, a plurality of through holes for positioning plug rod insertion are arranged on the inner rod body at intervals, and a plug is threadedly connected to the lower end of the outer rod.

5. A device for repairing cracks in tunnel linings according to claim 4, characterised in that: Each of the stable ends comprises a horizontal seat, a second screw rod is perpendicularly threadedly connected to the horizontal seat, and a spherical surface is formed on the top surface of the second screw rod for supporting the bottom surface of the angle adjusting frame.

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