CN115875057A - Steel arch mounting device for narrow working face - Google Patents
Steel arch mounting device for narrow working face Download PDFInfo
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- CN115875057A CN115875057A CN202211727371.0A CN202211727371A CN115875057A CN 115875057 A CN115875057 A CN 115875057A CN 202211727371 A CN202211727371 A CN 202211727371A CN 115875057 A CN115875057 A CN 115875057A
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Abstract
The invention discloses a steel arch mounting device for a narrow working face, which comprises a base, wherein the base is connected with a vehicle body in a sliding manner through a guide rail arranged along the edge of the vehicle body, the base is provided with a lifting part, the top end of the lifting part is provided with a horizontal moving mechanism, the moving part of the horizontal moving mechanism is connected with a rotating mechanism, the rotating part of the rotating mechanism is connected with a steel arch clamping mechanism, a distance scale is further arranged below the horizontal moving mechanism, the head end of the distance scale is connected with the top of the lifting part, and the distance scale penetrates through the rotating mechanism through a hole in the center of the rotating mechanism.
Description
Technical Field
The invention relates to the technical field of tunnel primary support construction equipment, in particular to a steel arch mounting device for a narrow working face.
Background
The statements herein merely provide background information related to the present disclosure and may not necessarily constitute prior art.
In tunnel construction, primary support needs to adopt steel grating arch centering or profile steel arch centering anchor-shotcrete support, the steel arch centering is processed in the outer processing factory of tunnel hole by sections, before installation, transport to the tunnel face excavation site, the manpower is assembled into left and right two sections on the ground, then erect and assemble, after welding and positioning with the excavation face anchor rod, apply the longitudinal connecting steel bar between the steel frames, install the steel bar net slice; and finally, spraying primary support concrete.
In the actual construction process, the installation of the steel arch frame has the following problems:
(1) In the actual construction process, a plurality of steel arches are required to be spliced, a large number of operators are required to operate on the tunnel face, the arch installation operation face is a newly-tunneled excavation section, surrounding rocks are unstable, the problems that rocks fall off to hurt people and the like easily occur, and the danger is high;
(2) In actual construction, the installation accuracy of the steel arch is difficult to control, and the quality requirements on the connection, the verticality, the elevation control, the transverse deviation and the like of the steel arch are often not met, so that the problems of primary support deformation, cracking and the like are caused, and the risk of tunnel construction is increased.
In order to solve the problem of installation of the steel arch in the actual engineering, steel arch installation equipment, generally a steel arch installation trolley or other equipment with larger size, is provided. However, to the relatively poor tunnel of country rock, need carry out the subsection excavation, lead to controlling the step working space very narrowly, traditional steel bow member installation device can't satisfy the construction requirement, has caused very big difficulty to the installation of steel bow member. In addition, when installing among the prior art, need keep equal interval between steel bow member and the steel bow member, operating personnel is under construction according to the experience, is difficult to guarantee simultaneously that the interval equals, accuracy when influencing the installation of steel bow member for supporting of steel bow member is inhomogeneous, further influences the effect of strutting of steel bow member.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a steel arch mounting device for a narrow working face, which improves the mounting precision of a steel arch.
In order to realize the purpose, the invention is realized by the following technical scheme:
the embodiment of the invention provides a steel arch mounting device for a narrow working face, which comprises a base, wherein the base is connected with a vehicle body in a sliding manner through a guide rail arranged along the width direction of the vehicle body, the base is provided with a lifting part, the top end of the lifting part is provided with a horizontal moving mechanism, the moving part of the horizontal moving mechanism is connected with a rotating mechanism, the rotating part of the rotating mechanism is connected with a steel arch clamping mechanism, a distance scale is also arranged below the horizontal moving mechanism, the head end of the distance scale is connected with the top of the lifting part, and the distance scale penetrates through the rotating mechanism through a hole in the center of the rotating mechanism.
Optionally, the telescopic connection has the steel chi in an interval scale, and the steel chi stretches out to interval scale outside through the initiating terminal of interval scale, all is equipped with the scale mark of making by fluorescent material on interval scale and the steel chi.
Optionally, the revolving mechanism includes a first casing and a second casing which are arranged in parallel and in an annular shape, the first casing and the second casing are connected with the moving part of the horizontal moving mechanism through a connecting member, an annular revolving member is rotatably connected between the first casing and the second casing, and the revolving member is connected with a driving member fixed on the first casing or the second casing.
Optionally, the driving part adopts a motor, an output shaft of the motor is connected with a gear, and correspondingly, a gear ring meshed with the gear is arranged on an inner annular surface of the rotating part.
Optionally, the top of the lifting component is further provided with an infrared detector, and the position of the infrared detector corresponds to the zero-scribed line position of the distance scale.
Optionally, the head end of the interval staff is rotationally connected with the top of the lifting component, and correspondingly, the interval staff is provided with a leveling pipe.
Optionally, the clamping mechanism includes a first connecting plate and a second connecting plate rotatably connected to the rotating part of the rotating mechanism, a spring and an electromagnet which is electrified and attracted are arranged between the first connecting plate and the second connecting plate, a first clamping jaw is arranged at the end of the first connecting plate, a second clamping jaw is arranged at the end of the second connecting plate, and the first clamping jaw and the second clamping jaw are matched with a flange of the inner arc portion of the steel arch frame.
Optionally, an electric travelling wheel is arranged on the bottom surface of the base, and the electric travelling wheel is matched with a guide rail arranged on the vehicle body.
Optionally, the vehicle body includes the sweep, and the sweep bottom surface is provided with a plurality of walking wheels.
Optionally, the horizontal movement is performed by using a screw transmission mechanism.
The invention has the following beneficial effects:
1. the arch center mounting device provided by the invention is provided with the lifting component, the rotating mechanism, the distance scale, the horizontal moving mechanism and the clamping mechanism, wherein the clamping mechanism can clamp the steel arch center, the rotating mechanism can adjust the angle of the steel arch center, so that the steel arch center is mounted to a set position by utilizing the lifting component, meanwhile, the distance between two adjacent steel arch centers can be monitored through the distance scale, the accuracy of the distance between the steel arch centers is ensured, the accuracy of the mounting position of the steel arch center is further ensured, the steel arch center is uniformly supported, and the supporting effect is ensured.
2. The steel arch mounting device has the advantages that the vehicle body is provided with the vehicle plate, the lifting component, the interval scale and other structures are mounted on the vehicle plate, and compared with the traditional steel arch construction equipment, the steel arch mounting device is small in size, convenient to manufacture and suitable for mounting the steel arch in a narrow working face.
3. The steel arch mounting device provided by the invention is provided with the steel ruler, the distance scale can be extended out, the measuring range of the whole measuring ruler is increased, and the applicability of the whole mounting device is improved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and are included to illustrate an exemplary embodiment of the invention and not to limit the invention.
FIG. 1 is a schematic view of the overall structure of embodiment 1 of the present invention;
FIG. 2 is a schematic view showing installation of a pitch scale according to embodiment 1 of the present invention;
FIG. 3 is a schematic view of a clamping mechanism and a rotating mechanism according to embodiment 1 of the present invention;
the device comprises a vehicle plate 1, universal wheels 2, a 3. T-shaped groove, a base 4, a lifting hydraulic cylinder 5, a 6. U-shaped connecting piece 7, a horizontal moving mechanism 8, a connecting piece 9, a first shell 10, a second shell 11, a rotating part 12, a connecting plate 13, a first clamping jaw 14, a second clamping jaw 14, a steel arch frame 15, a spacing scale 16, an infrared detector 17 and a handle 18.
Detailed Description
Example 1:
the embodiment provides a steel arch mounting device for a narrow working face, which is shown in fig. 1-3 and comprises a vehicle body, wherein the vehicle body comprises a vehicle plate 1, the vehicle plate 1 is a rectangular vehicle plate, and four corners of the bottom surface of the vehicle plate are provided with universal wheels 2 with a braking function, so that the whole mounting device is convenient to move.
The automobile body is provided with along the guide rail that width direction set up along a side edge, and the automobile body has base 4 through guide rail sliding connection, the guide rail adopts the T type groove 3 of seting up at the automobile body upper surface, and 4 underrun wheel seats of base are equipped with electronic walking wheel, install drive electric walking wheel pivoted actuating mechanism in the base, and actuating mechanism adopts the motor etc. and electronic walking wheel embedding T type groove is in 3 with T type groove cooperation, and the base can 4 walk along T type groove through electronic walking wheel, still be equipped with on the base with T type groove assorted T type slider, in T type slider embedding T type groove. Meanwhile, the T-shaped sliding block is matched with the T-shaped groove, so that the anti-overturning effect is achieved.
The base is provided with a lifting component, the lifting component adopts a lifting hydraulic cylinder 5 or an electric lifting column, in the embodiment, the lifting component adopts the lifting hydraulic cylinder 5, a cylinder body 5 of the lifting hydraulic cylinder is fixed with the base 4, the top end of a piston rod of the lifting hydraulic cylinder is provided with a U-shaped connecting piece 6, and the top end of the U-shaped connecting piece 6 is fixedly connected with one end of a horizontal moving mechanism 7.
In this embodiment, horizontal migration mechanism 7 adopts screw drive mechanism, including the shell, the top fixed connection of shell one end and connecting piece, the inside driving motor that is fixed with of shell, driving motor's output shaft is connected with the one end of lead screw, can drive the lead screw and rotate, and the axis of lead screw sets up along the length direction of sweep, and two tip and the bearing frame of lead screw rotate to be connected, and the bearing frame is fixed inside the shell for support the lead screw.
The lead screw is connected with a lead screw slider, the lead screw slider is connected with the shell in a sliding manner, the lead screw slider serves as a moving part of the horizontal moving mechanism, the bottom end of the lead screw slider is connected with a connecting piece 8, and the connecting piece 8 extends out of the lower portion of the shell through a strip hole formed in the bottom of the shell.
The bottom end of the connecting piece 8 is connected with a swing mechanism, and the swing center line of the swing mechanism is arranged in parallel to the length direction of the vehicle plate.
The rotary mechanism comprises a first shell 9 and a second shell 10 which are arranged in parallel, the top ends of the first shell 9 and the second shell 10 are connected with a connecting piece 8, holes are formed in the center of the first shell 9 and the center of the second shell 10 to form an annular structure, a rotary part 11 is arranged between the first shell 9 and the second shell 10, the rotary part 11 also adopts the annular structure, the hole in the middle of the rotary part is coaxially arranged with the holes of the first shell 9 and the second shell 10, annular sliding blocks are arranged at two axial ends of the rotary part 11, the annular sliding blocks at two sides are respectively embedded into annular grooves formed in opposite side surfaces of the first shell and the second shell, the rotary part 11 is further rotatably connected with the first shell 9 and the second shell 10, and the rotary part 11 can rotate around the axis of the rotary part.
The rotary part 11 is connected with a driving mechanism fixed on the inner side surface of the first shell, and the driving mechanism can drive the rotary part to rotate around the axis of the rotary part.
The driving mechanism comprises a driving part, the driving part adopts a motor, the motor is fixed on the inner side surface of the first shell 9, an output shaft of the motor is connected with a gear, the gear is meshed with a gear ring fixed on the inner ring surface of the rotating part, the motor can drive the gear to rotate, and then the rotating part 11 is driven to rotate around the axis of the rotating part through the meshing effect of the gear and the gear ring.
It will be appreciated that a plurality of motors and corresponding gears can be provided on the first housing 9 to increase the output force and ensure that the steel arch can be rotated.
And a clamping mechanism is arranged on the outer side surface of the rotary component 11 and used for clamping the steel arch frame.
The clamping mechanism comprises two connecting plates 12 which are rotatably connected to the peripheral surface of the rotary part and are respectively a first connecting plate and a second connecting plate, one ends of the first connecting plate and the second connecting plate are rotatably connected with the rotary part 11, the other end of the first connecting plate is provided with a first clamping jaw 13, and the other end of the second connecting plate is provided with a second clamping jaw 14.
The first clamping jaw 13 and the second clamping jaw 14 are arc-shaped structures matched with flanges of an inner arc part of the steel arch 15 and are provided with clamping grooves which are arranged oppositely, when the first clamping jaw 13 and the second clamping jaw 14 are closed, the clamping grooves of the first clamping jaw 13 and the second clamping jaw 14 clamp the flanges of the inner arc part of the steel arch 15, and when the first clamping jaw 13 and the second clamping jaw 14 are opened, the steel arch 15 can be loosened.
The inner side surface of the first connecting plate is provided with a first electromagnet, the inner side surface of the second connecting plate is provided with a second electromagnet, and after the first electromagnet and the second electromagnet are electrified, suction force can be generated, so that the first connecting plate and the second connecting plate generate closing motion, and the first clamping jaw 13 and the second clamping jaw 14 are driven to be closed.
A spring is further arranged between the first connecting plate and the second connecting plate, and after the first electromagnet and the second electromagnet are powered off, the first connecting plate and the second connecting plate do stretching movement under the elastic force action of the spring, so that the first clamping jaw and the second clamping jaw are driven to stretch.
The distance scale 16 passes through the rotation mechanism through the hole in the middle of the rotation mechanism, is rotatably connected with the U-shaped connecting piece 6, can adjust the levelness of the distance scale, and is provided with a leveling pipe for detecting the levelness of the distance scale.
The outer side surface of the U-shaped connecting piece 6 is further provided with an infrared detector 17, and the position of the infrared detector 17 corresponds to the position of a zero reticle of the distance scale.
When the lifting hydraulic column is used, infrared rays emitted by the infrared detector 17 are aligned to the initial position, a plurality of steel arches are placed on the turning plate through the cushion blocks, the height of each steel arch meets the clamping requirement of the clamping mechanism, the lifting hydraulic column is lowered, the first electromagnet and the second electromagnet are electrified, the first clamping jaw and the second clamping jaw clamp one steel arch, then the lifting hydraulic column is used for adjusting the height, the rotating mechanism rotates to adjust the position of the steel arch, and the steel arch is placed at the set position in combination with the movement of the base along the guide rail.
When the next steel arch is installed, the clamping mechanism is driven by the horizontal moving mechanism to move, and the next steel arch and the installed steel arch have a set distance through the distance scale.
In another embodiment, in order to increase the measuring range of interval scale, the telescopic is connected with the steel ruler in the interval scale, and the steel ruler stretches out to the outside tip of interval scale head end and is equipped with handle 18, conveniently draws and gets the steel ruler, and steel ruler and interval scale surface all are equipped with the scale mark of being made by fluorescent material. The reading under the dark environment of light is convenient. The steel ruler is pulled out of the interval ruler, the handle is used as an initial point, the length of the whole ruler for measurement can be increased, and the applicability of the whole device is improved.
The use method of the installation device of the embodiment comprises the following steps:
a plurality of steel arches are placed on the car plate through the cushion blocks in advance, so that the height of the steel arches meets the working requirements of the lifting hydraulic column and the clamping mechanism.
The method comprises the steps of moving a car plate to a position arranged in a tunnel through a travelling wheel, descending a hydraulic lifting column to enable a clamping mechanism to move to a set position, electrifying a first electromagnet and a second electromagnet to enable a first clamping jaw and a second clamping jaw to clamp a steel arch, then working a slewing mechanism to drive the steel arch to rotate to the set position, then placing the steel arch at a target position by utilizing the movement of a base along the width direction of the car plate and the lifting of the hydraulic lifting column, sequentially installing the steel arches at the side wall of the tunnel by adopting the same method, and installing the steel arch at the top of the tunnel by adopting the conventional installation method.
After a steel arch is installed, the next steel arch is clamped by the clamping mechanism, the next steel arch is moved for a set distance by using the horizontal moving mechanism, and then the next steel arch is installed by adopting the same method until the installation of the steel arch is completed.
Adopt the installation device of this embodiment, regard as the originated reference point with the infrared ray that infrared detector sent, through the interval scale, can monitor the distance between two adjacent steel arches, ensure the accuracy of distance between the steel arch, and then guaranteed the precision of steel arch mounted position, make the steel arch strut evenly, the effect of strutting has been guaranteed, furthermore, whole device simple structure, for traditional steel arch construction equipment, small, the preparation is convenient, be applicable to the installation of the steel arch of narrow operation face.
When the measuring range of the distance scale is insufficient, the steel ruler is pulled out through the handle, the handle is used as an initial reference point, and the steel arch is installed by adopting the same method.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. The utility model provides a steel bow member installation device for narrow operation face, a serial communication port, the on-line screen storage device comprises a base, the base is through guide rail and the automobile body sliding connection who sets up along automobile body width direction, the base is equipped with the lift part, the top of lift part is equipped with horizontal migration mechanism, horizontal migration mechanism's removal part is connected with rotation mechanism, rotation mechanism's rotation part is connected with steel bow member fixture, horizontal migration mechanism's below still is provided with the interval scale, the head end of interval scale is connected with lift part's top, the interval scale passes rotation mechanism through the hole of rotation mechanism central point position.
2. The steel arch installing apparatus for a narrow working surface as set forth in claim 1, wherein a steel ruler is telescopically coupled in the interval scale, the steel ruler is extended to the outside of the interval scale through a start end of the interval scale, and graduation lines made of fluorescent material are provided on the interval scale and the steel ruler.
3. The steel arch installing apparatus for a narrow working surface as set forth in claim 1, wherein the swing mechanism includes a first housing and a second housing which are arranged in parallel and in a ring shape, the first housing and the second housing are connected to the moving part of the horizontal moving mechanism through a connecting member, a swing member in a ring shape is rotatably connected between the first housing and the second housing, and the swing member is connected to a driving member fixed to the first housing or the second housing.
4. A steel arch mounting apparatus for narrow working surface as claimed in claim 3, wherein the driving means is a motor, the output shaft of the motor is connected to a gear, and correspondingly, the inner annular surface of the rotary member is provided with a gear ring engaged with the gear.
5. A steel arch installing apparatus for a narrow working surface according to claim 1, wherein the top of the elevating member is further provided with an infrared ray detector at a position corresponding to a zero-scribed line position of the distance scale.
6. A steel arch installing apparatus for a narrow working surface as claimed in claim 1, wherein the head end of the distance staff is rotatably connected to the top of the elevating part, and accordingly, the distance staff is provided with a leveling tube.
7. The steel arch mounting apparatus for a narrow working surface as set forth in claim 1, wherein the clamping means includes a first connecting plate and a second connecting plate rotatably connected to the rotary member of the rotary mechanism, a spring and an electromagnet energized to attract each other are provided between the first connecting plate and the second connecting plate, the first connecting plate is provided at an end thereof with the first jaw, the second connecting plate is provided at an end thereof with the second jaw, and the first jaw and the second jaw are fitted to a flange of the inner arc portion of the steel arch.
8. The steel arch mounting device for narrow working areas of claim 1, wherein the bottom surface of the base is provided with electric walking wheels which are matched with guide rails arranged on the vehicle body.
9. A steel arch mounting apparatus for a narrow working surface as claimed in claim 1, wherein the body includes a deck having a plurality of road wheels on a bottom surface thereof.
10. A steel arch mounting apparatus for a narrow working surface as claimed in claim 1, wherein the horizontal movement employs a lead screw drive mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211727371.0A CN115875057A (en) | 2022-12-30 | 2022-12-30 | Steel arch mounting device for narrow working face |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211727371.0A CN115875057A (en) | 2022-12-30 | 2022-12-30 | Steel arch mounting device for narrow working face |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115875057A true CN115875057A (en) | 2023-03-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211727371.0A Pending CN115875057A (en) | 2022-12-30 | 2022-12-30 | Steel arch mounting device for narrow working face |
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| Country | Link |
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| CN (1) | CN115875057A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116927831A (en) * | 2023-09-14 | 2023-10-24 | 湖南省通盛工程有限公司 | Tunnel arch protection integral dismounting equipment and construction method |
-
2022
- 2022-12-30 CN CN202211727371.0A patent/CN115875057A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116927831A (en) * | 2023-09-14 | 2023-10-24 | 湖南省通盛工程有限公司 | Tunnel arch protection integral dismounting equipment and construction method |
| CN116927831B (en) * | 2023-09-14 | 2023-12-19 | 湖南省通盛工程有限公司 | Tunnel arch protection integral dismounting equipment and construction method |
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