CN210768801U - Rapid mounting tool for tunnel prefabricated segment lining inverted arch supporting member by using excavator method - Google Patents
Rapid mounting tool for tunnel prefabricated segment lining inverted arch supporting member by using excavator method Download PDFInfo
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- CN210768801U CN210768801U CN201920947811.0U CN201920947811U CN210768801U CN 210768801 U CN210768801 U CN 210768801U CN 201920947811 U CN201920947811 U CN 201920947811U CN 210768801 U CN210768801 U CN 210768801U
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- inverted arch
- tunnel
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- segment lining
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Abstract
Quick mounting tool of tunnel prefabricated segment lining inverted arch supporting member of excavator method to effectively improve the installation condition of inverted arch supporting member, increase substantially the installation effectiveness of supporting member. The positioning shear rod is symmetrically arranged relative to the axis of the disc-shaped main body, and the position of the positioning shear rod corresponds to a round hole in the bottom surface of the supporting cushion block. The rotating handles are spaced apart on the outer annular sidewall and/or on the rear end face of the disc-shaped body.
Description
Technical Field
The utility model relates to a shield tunnel construction machines, in particular to quick mounting tool of prefabricated section of jurisdiction lining cutting invert supporting shoe of machine-tunneling tunnel digger.
Background
In the construction process of the tunnel boring machine, the prefabricated segment lining structure needs to be assembled in the shield tail and then pushed out of the shield tail, so that the excavation diameter of the boring machine is slightly larger than the outer diameter of the prefabricated segment lining ring structure; after the duct piece is separated from the shield tail, the inverted arch duct piece can naturally sink to occupy the gap between the duct piece outer diameter and the excavation diameter, so that duct piece dislocation and exceeding of tunnel ellipticity are caused, and water leakage in the later stage of the tunnel is serious.
In order to solve the problems, the applicant discloses an inverted arch support assembly suitable for a shield type TBM tunnel prefabricated segment lining structure in an invention patent publication specification of application No. 201711299405X, wherein the inverted arch support assembly comprises a threaded sleeve and support members, the threaded sleeve is arranged in an outer side structure of a prefabricated segment in an enveloping mode according to an assembling position, the support members are symmetrically arranged on the outer side of the lower portion of an inverted arch and comprise inverted arch support legs and support screw rods, and the support screw rods and the threaded sleeve form detachable spiral connection. This supporting component can effectively solve the problem that the lining cutting section of jurisdiction is deviate from the shield tail and is sunken naturally under the prerequisite that does not weaken section of jurisdiction structural performance, improves the cyclization quality of section of jurisdiction by a wide margin, has simple to operate simultaneously, makes the easy advantage of guaranteeing of tunnel structure waterproof performance.
In order to better adapt to the production of prefabricated pipe pieces and later assembly in a tunnel, the applicant further studies the inverted arch supporting component to ensure that the inverted arch supporting component is more optimized in both structure and use, and provides the application number 201822153567.9 entitled "the inverted arch supporting component suitable for a tunnel prefabricated pipe piece lining structure of a digging machine method". This inverted arch supporting component includes pre-buried sleeve and supporting member, and wherein the supporting member comprises lip block and screw rod, and the screw rod lower part is buried underground in the lip block and fixed connection with it, and upper portion forms threaded connection with pre-buried sleeve's internal thread section. The supporting cushion block is a frustum with a small upper part and a large lower part, and vertically extending arc-shaped grooves are formed in the annular side wall of the supporting cushion block at intervals along the circumferential direction. The bottom surface of the supporting cushion block is provided with vertically extending round holes at intervals along the circumferential direction so as to reduce the weight of the supporting member and facilitate holding during installation.
However, the inverted arch support assembly is an innovative product, a special mounting tool is not available at present, and when the inverted arch support assembly is mounted on site, an installer needs to hold the support cushion blocks with both hands, align the front ends of the screws to the outer ports of the embedded sleeves, and then screw the screws into the embedded sleeves by screwing the support cushion blocks. Because the supporting cushion block can be installed in place after rotating for a plurality of circles, the installation efficiency is very low, and when fine particles such as sand grains and the like are attached to the screw rod or the embedded sleeve, the supporting cushion block is screwed harder.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a quick mounting tool of prefabricated section of jurisdiction lining cutting invert supporting member of excavator method tunnel is provided to effectively improve invert supporting member's installation condition, increase substantially supporting member's installation effectiveness.
The utility model provides a technical scheme that its technical problem adopted as follows:
the utility model discloses a quick mounting tool of prefabricated section of jurisdiction lining cutting invert supporting member in tunneling machine method tunnel, characterized by: the positioning shear rods are symmetrically arranged relative to the axis of the disc-shaped main body, and the positions of the positioning shear rods correspond to round holes in the bottom surface of the supporting cushion block; the rotating handles are spaced apart on the outer annular sidewall and/or on the rear end face of the disc-shaped body.
The beneficial effects of the utility model are that, during on-the-spot installation supporting component, will fix a position the shear rod and insert the round hole on the lip block bottom surface, aim at pre-buried sleeve with the screw rod on the supporting member again, can make things convenient for, fast and laborsaving with the lip block screw rod along pre-buried sleeve installation target in place through rotatory handle, can effectively improve the installation condition of invert supporting member, increase substantially supporting member's installation effectiveness.
Drawings
The specification includes the following eight drawings:
FIG. 1 is a front view of an inverted arch support member;
FIG. 2 is a bottom view of the inverted arch support member;
FIG. 3 is a top view of an inverted arch support member;
fig. 4 is a schematic perspective view of the rapid mounting tool for the tunnel prefabricated segment lining inverted arch support member of the excavator method of the present invention;
FIG. 5 is a front view of the quick mounting tool for the tunnel prefabricated segment lining inverted arch support member of the excavator according to the present invention;
fig. 6 is a rear view of the rapid mounting tool for the tunnel prefabricated segment lining inverted arch support member of the excavator method of the present invention;
fig. 7 is a side view of an embodiment 1 of a rapid mounting tool for a tunnel prefabricated segment lining inverted arch support member according to the excavator method of the present invention;
fig. 8 is a side view of an embodiment 2 of a rapid mounting tool for a tunnel prefabricated segment lining inverted arch support member according to the excavator method of the present invention;
the component names and corresponding labels are shown in the figure: the device comprises a screw rod 1, a supporting cushion block 2, an arc-shaped groove 3, a round hole 4, an outer ring 11, an inner ring 12, spokes 13, a positioning shear rod 14, a rotating handle 15 and a rotating rod 16.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1 to 3, the supporting member is composed of a supporting cushion block 2 and a screw rod 1, wherein the lower part of the screw rod 1 is embedded in the supporting cushion block 2 and fixedly connected with the same, and the upper part of the screw rod 1 is in threaded connection with the internal thread section of the embedded sleeve. The supporting cushion block 2 is a frustum with a small upper part and a large lower part, and vertically extending arc-shaped grooves 3 are arranged on the annular side wall of the supporting cushion block at intervals along the circumferential direction. The bottom surface of the lip block is provided with vertically extending circular holes 4 at intervals along the circumferential direction to reduce the weight of the support member and facilitate gripping during installation. Before the installation, a special installation tool is not available, when the supporting component is installed on site, an installer needs to hold the supporting cushion block 2 with both hands, align the front end of the screw 1 with the outer port of the embedded sleeve, and then screw the screw into the embedded sleeve by screwing the supporting cushion block 2. Because the supporting cushion block 2 can be installed in place after rotating for a plurality of circles, the installation efficiency is very low, and when fine particles such as sand grains and the like are attached to the screw rod or the embedded sleeve, the supporting cushion block is screwed more difficultly.
Referring to fig. 4, the utility model discloses a quick mounting tool of prefabricated section of jurisdiction lining cutting invert supporting member of tunnel of machine-driving method, including discoid main part, location shear-bar 14 and rotatory handle, fix the location shear-bar 14 that sets up two piece at least axial extensions on the preceding terminal surface of this discoid main part, location shear-bar 14 sets up for the axis symmetry of discoid main part, and the position is corresponding with round hole 4 on the 2 bottom surfaces of lip block. The rotating handles are spaced apart on the outer annular sidewall and/or on the rear end face of the disc-shaped body. When the supporting component is installed on site, the positioning shear rod 14 is inserted into the round hole 4 on the bottom surface of the supporting cushion block 2, then the screw rod 1 on the supporting component is aligned to the embedded sleeve, the supporting cushion block 2 screw rod can be conveniently, quickly and laborsavingly installed in place along the embedded sleeve through rotating the handle, the installation condition of the inverted arch supporting component can be effectively improved, and the installation efficiency of the supporting component is greatly improved.
Referring to fig. 5 and 6, in order to reduce the weight of the disc-shaped body and facilitate the operation, the structure of the disc-shaped body may be optimized to include an outer ring 11 and an inner ring 12 whose axes are coincident, and the outer ring 11 and the inner ring 12 are connected into a whole by spokes 13 arranged at equal intervals in the circumferential direction. Referring to embodiment 1 shown in fig. 7, the outer ring 11 and the inner ring 12 are located on the same plane. Referring to embodiment 2 shown in fig. 8, the outer ring 11 and the inner ring 12 are located on different planes, and the front end face of the inner ring 12 is located in front of the front end face of the outer ring 11.
Referring to fig. 5, 7 and 8, the positioning shear rods 14 are fixedly arranged on the front end surface of the inner ring 12. The number of the positioning shear rods 14 can be half of the number of the round holes 4, or equal to the number of the round holes 4. The diameter and the length of the positioning shear rod 14 are matched with those of the round hole 4.
Referring to fig. 5 and 6, the rotating knob includes radial knobs 15, and the radially extending radial knobs 15 are provided on the outer annular sidewall of the outer ring 11 at equidistant circumferential intervals. Referring to fig. 7 and 8, the rotation knob includes axial knobs 16, and the axially extending axial knobs 16 are provided on the rear end surface of the outer ring 11 at equal circumferential intervals. The radial handle 15 and the axial handle 16 are arranged at the same time, so that the installation site condition and the operation habit of an installer can be conveniently adapted.
The above is only used for illustrating the utility model discloses the basic principle of the quick mounting tool of prefabricated section of jurisdiction lining cutting invert supporting member in tunneling method tunnel, not will the utility model discloses the limitation show with concrete structure and application scope in, so all corresponding revisions and equivalents that probably are utilized all belong to the utility model discloses the patent range who applies for.
Claims (8)
1. Quick mounting tool of tunnel prefabrication section of jurisdiction lining invert supporting member of excavator method, characterized by: the anti-shearing device comprises a disc-shaped main body, positioning anti-shearing rods (14) and a rotary handle, wherein at least two axially extending positioning anti-shearing rods (14) are fixedly arranged on the front end face of the disc-shaped main body, the positioning anti-shearing rods (14) are symmetrically arranged relative to the axis of the disc-shaped main body, and the positions of the positioning anti-shearing rods correspond to round holes (4) on the bottom surface of a supporting cushion block (2); the rotating handles are spaced apart on the outer annular sidewall and/or on the rear end face of the disc-shaped body.
2. The rapid installation tool of the tunnel prefabricated segment lining inverted arch supporting member by the tunneling method as claimed in claim 1, which is characterized in that: the disc-shaped main body comprises an outer ring (11) and an inner ring (12) which are overlapped with each other through axes, and the outer ring (11) and the inner ring (12) are connected into a whole through spokes (13) which are arranged at equal intervals in the circumferential direction.
3. The rapid installation tool of the tunnel prefabricated segment lining inverted arch supporting member by the tunneling method as claimed in claim 2, wherein: the outer ring (11) and the inner ring (12) are located on the same plane.
4. The tool for quickly installing the tunnel prefabricated segment lining inverted arch supporting member in the tunneling method as claimed in claim 2, wherein: the outer ring (11) and the inner ring (12) are located on different planes, and the front end face of the inner ring (12) is located in front of the front end face of the outer ring (11).
5. A rapid mounting tool for a supporting member of a prefabricated segment lining inverted arch of a tunnel by a tunneling machine according to any one of claims 2 to 4, characterized in that: the positioning shear rod (14) is fixedly arranged on the front end surface of the inner ring (12).
6. The rapid installation tool of the tunnel prefabricated segment lining inverted arch supporting member by the tunneling method as claimed in claim 5, wherein: the number of the positioning shear rods (14) is half of that of the round holes (4), or is equal to that of the round holes (4); the diameter and the length of the positioning shear rod (14) are matched with those of the round hole (4).
7. The rapid installation tool of the tunnel prefabricated segment lining inverted arch supporting member by the tunneling method as claimed in claim 2, wherein: the rotating handle comprises radial handles (15), and the radial handles (15) extending radially are arranged on the outer annular side wall of the outer ring (11) at equal intervals in the circumferential direction.
8. The rapid installation tool of the tunnel prefabricated segment lining inverted arch supporting member of the tunneling machine as claimed in claim 2 or 7, characterized in that: the rotary handle comprises axial handles (16), and the axial handles (16) extending axially are arranged on the rear end surface of the outer ring (11) at equal intervals in the circumferential direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920947811.0U CN210768801U (en) | 2019-06-24 | 2019-06-24 | Rapid mounting tool for tunnel prefabricated segment lining inverted arch supporting member by using excavator method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920947811.0U CN210768801U (en) | 2019-06-24 | 2019-06-24 | Rapid mounting tool for tunnel prefabricated segment lining inverted arch supporting member by using excavator method |
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| CN210768801U true CN210768801U (en) | 2020-06-16 |
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| CN201920947811.0U Active CN210768801U (en) | 2019-06-24 | 2019-06-24 | Rapid mounting tool for tunnel prefabricated segment lining inverted arch supporting member by using excavator method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110307007A (en) * | 2019-06-24 | 2019-10-08 | 中铁二院工程集团有限责任公司 | Tunnel boring machine method tunnel prefabricated pipe section lining cutting inverted arch supporting member fast fixing tool |
-
2019
- 2019-06-24 CN CN201920947811.0U patent/CN210768801U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110307007A (en) * | 2019-06-24 | 2019-10-08 | 中铁二院工程集团有限责任公司 | Tunnel boring machine method tunnel prefabricated pipe section lining cutting inverted arch supporting member fast fixing tool |
| CN110307007B (en) * | 2019-06-24 | 2024-03-22 | 中铁二院工程集团有限责任公司 | Rapid installation tool for tunnel prefabricated segment lining inverted arch supporting member by heading machine method |
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