CN115126520A - Tunnel arc-shaped side top plate laying device and method - Google Patents
Tunnel arc-shaped side top plate laying device and method Download PDFInfo
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- CN115126520A CN115126520A CN202210780143.3A CN202210780143A CN115126520A CN 115126520 A CN115126520 A CN 115126520A CN 202210780143 A CN202210780143 A CN 202210780143A CN 115126520 A CN115126520 A CN 115126520A
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- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000005096 rolling process Methods 0.000 claims description 7
- 239000004568 cement Substances 0.000 claims description 4
- 238000010276 construction Methods 0.000 abstract description 6
- 230000008901 benefit Effects 0.000 abstract description 4
- 238000009434 installation Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
- E21D23/0409—Aligning or guiding means for the supports or for the constitutive parts of the supports
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- Geochemistry & Mineralogy (AREA)
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- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention relates to the technical field of tunnel laying equipment, and provides a device and a method for laying an arc-shaped side top plate of a tunnel, which comprises a main beam frame; a moving assembly disposed under the main beam frame; the variable support groups are arranged on the main beam frame, each variable support group comprises at least three support rods, each support rod is circumferentially distributed on the periphery of the main beam frame by taking the main beam frame as a circular point, the top of each support rod is detachably provided with a roller, the rotating shaft of each roller is perpendicular to the main beam frame, a first driving motor is arranged between the variable support groups, and the first driving motor drives the rollers to roll; the invention can reduce labor and has better economic benefit while realizing quick construction.
Description
Technical Field
The invention relates to the technical field of tunnel laying equipment, in particular to a device and a method for laying an arc-shaped side top plate of a tunnel.
Background
The construction process of the tunnel generally includes: clearing a hole, excavating a tunnel, primary supporting, constructing a waterproof layer, constructing a secondary lining, constructing a tunnel pavement, constructing a tunnel fireproof coating and installing electromechanical equipment; in the process, the arc-shaped side roof supporting column tunnel is used, cement is filled in a gap between the tunnel and the arc-shaped side roof, namely secondary lining, the existing arc-shaped side roof is completely operated manually, the arc-shaped side roof is usually conveyed in place through equipment such as a trailer, and then is erected manually for installation, so that the manual requirement is high, meanwhile, the method is long in required time and not beneficial to construction period delivery, and a scaffold needs to be built in advance to assist manual work in some cases, so that the applicant provides a new laying device and method for the arc-shaped side roof.
Disclosure of Invention
The invention aims to provide a novel device and a method for laying an arc-shaped side top plate, which can be used for quickly constructing and reducing labor and have better economic benefit.
The embodiment of the invention is realized by the following technical scheme: a laying device for arc-shaped side top plates of a tunnel comprises a main beam frame; a moving assembly disposed under the main beam frame; the variable support group of a plurality of groups of setting on the main beam frame, every variable support group of group all includes at least three bracing piece, and every bracing piece uses the main beam frame to distribute in the ring week side of main beam frame as the dot circumference, and the top of every bracing piece can be dismantled and be equipped with the gyro wheel, and the pivot perpendicular to main beam frame of gyro wheel is equipped with first driving motor between the variable support group, and first driving motor drives the gyro wheel and rolls.
Furthermore, each group of variable support groups comprises a first support rod arranged vertically, a second support rod and a third support rod arranged symmetrically on a vertical plane; the second support rod is a first hydraulic rod, and the third support rod is a second hydraulic rod; the first supporting rod is a fixed rod, and the driving motor drives the roller at the top of the first supporting rod to rotate.
Further, the moving assembly is connected with the main beam frame through a plurality of third hydraulic rods.
Further, the moving component is a moving trolley.
Further, still be equipped with the swivel mount, the swivel mount includes: the bracket is arranged between the third hydraulic rod and the main beam frame; the two ends of the main beam frame are provided with rotating shafts which are fixed on the bracket through bearings; and the rotary driving piece is used for driving the main beam frame to rotate on the basis of the bracket.
Further, the outside of girder frame is equipped with the external gear, and the rotary driving spare includes: the first gear and the second gear are arranged on the bracket, are respectively meshed with the outer gear and are arranged on two sides of the main beam frame; and the second driving motor is arranged on the bracket and drives the first gear to rotate.
Further, the rotary drive includes: the fourth hydraulic rod and the fifth hydraulic rod are arranged on two sides of the main beam frame respectively, the movable end of the fourth hydraulic rod is hinged to the fixed end of the first hydraulic rod, the fixed end of the fourth hydraulic rod is hinged to the support, the movable end of the fifth hydraulic rod is hinged to the fixed end of the second hydraulic rod, and the fixed end of the fifth hydraulic rod is hinged to the support.
Further, the first driving motor drives the rollers at two ends of the main beam frame to rotate.
Further, the roller includes: the roller is connected to the top of the supporting rod through a bearing and is driven to rotate by the driving motor; the fixed disc is fixedly connected with the rolling shaft, the fixed disc is perpendicular to the rolling shaft, at least one inclined plane is arranged on the outer side of the fixed disc, a limiting ring is arranged at one end of the inclined plane, which is far away from the rolling shaft, and the diameter of the limiting ring is larger than the contact width of the inclined plane and the limiting ring; the anti-skidding sleeve is arranged on the limiting ring and the inclined plane.
A method for laying arc-shaped side top plates of a tunnel comprises the following steps:
s1: calculating an arc-shaped side top plate according to a tunnel design standard, and conveying the tunnel arc-shaped side top plate laying device into the tunnel through a movable trolley;
s2: adjusting the extension lengths of the first hydraulic rod and the second hydraulic rod to enable the rollers on the first support rod, the second support rod and the third support rod to be in contact with the inner sides of the arc-shaped side top plates; binding a pull rope on the arc-shaped side top plate;
s3: driving a first motor to drive a roller to rotate, simultaneously sequentially lifting a third hydraulic rod from the inside to the outside of the tunnel, and conveying the arc-shaped side top plate to a proper position through a manually-assisted pull rope;
s4: and driving the rotary driving assembly to swing left and right, laying an arc-shaped side top plate, and then filling cement into a gap between the arc-shaped side top plate and the tunnel.
The technical scheme of the invention at least has the following advantages and beneficial effects:
1, the mode that adopts bracing piece and gyro wheel contacts arc side roof, because the design that the point supported, so can change the relation between the strong point through the size that changes the gyro wheel or the length of bracing piece to change the radius of arc side roof, make it can adapt to the tunnel construction of more different standards.
2, the equipment can be moved at a designated position by moving the trolley, so that construction is facilitated.
3, the gyro wheel adopts driving motor drive design, and the gyro wheel on the variable support group of a plurality of groups can transport the position of formulating with arc side roof, is convenient for install.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a first state structural schematic diagram of a tunnel arc-shaped side roof laying device provided in embodiment 1 of the present invention;
fig. 2 is a structural schematic diagram of a second state of the tunnel arc-shaped side roof laying device provided in embodiment 1 of the present invention;
fig. 3 is a schematic sectional view a-a of the tunnel arc-shaped side roof laying device provided in embodiment 1 of the present invention;
fig. 4 is a schematic structural diagram of a roller in the tunnel arc-shaped side roof laying device provided in embodiment 1 of the present invention;
fig. 5 is a schematic structural diagram of a tunnel arc-shaped side roof laying device provided in embodiment 3 of the present invention;
fig. 6 is a schematic structural diagram of a tunnel arc-shaped side roof laying device provided in embodiment 2 of the present invention;
icon: 1-arc-shaped side top plate, 2-main beam frame, 3-first supporting rod, 4-second supporting rod, 5-third supporting rod, 6-roller, 7-moving assembly, 8-third hydraulic rod, 9-first driving motor, 61-roller, 62-fixed disk, 63-inclined surface, 64-limiting ring, 65-anti-slip sleeve, 21-rotating shaft, 22-fixed plate, 101-bracket, 102-outer gear, 103-first gear, 104-second gear, 105-second driving motor, 106-fourth hydraulic rod and 107-fifth hydraulic rod.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
As shown in fig. 1-4, a laying device for tunnel arc side roof plates 1 comprises a main beam frame 2, a moving assembly 7 arranged below the main beam frame 2 and a plurality of groups of variable support groups arranged on the main beam frame 2. The main beam frame 2 serves the main supporting purpose by moving the equipment to a desired place for laying and installation through the moving assembly 7, and a plurality of variable supporting groups are provided for supporting the arc-shaped side roof panel 1, it should be noted that, in the present embodiment, as shown in fig. 3, 6 variable supporting groups are provided for supporting the arc-shaped side roof panel 1.
Each variable support group comprises three support rods, each support rod is distributed on the periphery of the main beam frame 2 by taking the main beam frame 2 as a circular point, a roller 6 is detachably arranged at the top of each support rod, a rotating shaft of the roller 6 is perpendicular to the main beam frame 2, namely, the rolling direction of the roller 6 is consistent with the length direction of the main beam frame 2, a first drive motor 9 is arranged between the variable support groups, and the roller 6 is driven by the first drive motor 9 to roll. The roller 6 is driven to rotate by the first driving motor 9, the driving mode is not limited, and in the embodiment, the roller is driven by a belt pulley; the arc-shaped side ceiling plate 1 is conveyed to a prescribed position by the rotation of the roller 6.
Furthermore, each group of variable support groups comprises a first support rod 3 arranged vertically, a second support rod 4 and a third support rod 5 arranged symmetrically and vertically; the second support rod 4 is a first hydraulic rod, and the third support rod 5 is a second hydraulic rod; first bracing piece 3 is the dead lever, and the gyro wheel 6 at the top of driving motor drive first bracing piece 3 rotates, changes the design of hydraulic stem into through second bracing piece 4 and third bracing piece 5, can change the radian radius between the strong point on first bracing piece 3, second bracing piece 4 and the third bracing piece 5 through changing length between them to can adapt to more arc side roof 1 specifications, as shown in fig. 1,2, for example: constructing a tunnel with two lanes and a tunnel with six lanes; of course, when this method is not adopted, the adaptability can be increased by replacing different rollers 6, and it should be noted that the change is small and the effect is not good.
In this embodiment, the moving assembly 7 is connected to the main beam 2 by a plurality of third hydraulic rods 8, as shown in figure 3. The main beam frame 2 can be lifted or lowered relative to the moving assembly 7 through the third hydraulic rod 8, so that construction is facilitated; the moving component 7 is just a moving trolley, and the moving trolley is just a trolley commonly used in engineering, such as a steel plate trolley.
In the embodiment, the hydraulic systems of the first hydraulic rod, the second hydraulic rod and the third hydraulic rod 8 can be realized by adopting the prior art, and hydraulic pipes are arranged from the main beam frame 2; in addition, the first driving motor 9 drives the rollers 6 at both ends of the main beam frame 2 to rotate, and the effectiveness of the use can be ensured by the rotation of the rollers 6 at both ends, but it should be noted that the distance between the rollers 6 as driving wheels should not exceed the length distance of the arc-shaped side top plate 1.
Further, in the present embodiment, a general rubber wheel may be used for the roller 6, but in order to ensure sufficient life and strength, in the present embodiment, the following arrangement is adopted: specifically, as shown in fig. 4, the roller 6 includes: the roller 61, a fixed disc 62 fixedly connected with the roller 61 and an anti-skid sleeve 65; the roller 61 is connected to the top of the support rod through a bearing, and the driving motor drives the roller 61 to rotate; the fixed disc 62 is perpendicular to the roller 61, two inclined planes 63 are arranged on the outer side of the fixed disc 62, and the two inclined planes 63 are symmetrically arranged on the symmetrical plane of the fixed disc 62; a limiting ring 64 is arranged at one end of the inclined surface 63, which is far away from the roller 61, and the diameter of the limiting ring 64 is larger than the contact width of the inclined surface 63 and the limiting ring 64; that is, the cross section of the two inclined surfaces 63 is trapezoidal, so that the diameter of the limit ring 64 is larger than the small height of the trapezoid and is connected with the small height; the anti-slip sleeve 65 is supported by rubber and is arranged with the limiting ring 64 and the inclined plane 63.
Through the setting of inclined plane 63, guarantee at the extension in-process of second bracing piece 4 and third bracing piece 5, the atress of the effective contact point between fixed disk 62 and the arc side roof 1 is towards inclined plane 63 all the time, perhaps can not be less than 45 degrees with the contained angle of inclined plane 63, thereby, guarantee the effective atress of gyro wheel 6, and the service life is prolonged, the purpose of other spacing ring 64 also lies in this, and simultaneously, spacing guaranteeing the protective sheath when receiving the extrusion, the possibility that can not appear droing, because there is an contained angle between spacing ring 64 and the inclined plane 63, when receiving the pressure of arc side roof 1, antiskid cover 65 can be extruded in this contained angle, antiskid.
Of course, in other embodiments, only one inclined surface 63 may be adopted, and since it is only the upper surface that contacts the arc-shaped side top plate 1, it is also possible that the lower inclined surface 63 is not provided.
Finally, it is strongly required that, in the embodiment, the invention point is mainly described in detail, and for the non-invention point, no more explanation is made, and the non-invention point is completed by using a common process in the market, for example: the selection of the type of the rubber, the power supply setting of the driving motor, the installation mode of the driving motor, the installation of the hydraulic pump and the like.
Example 2
In this embodiment, the main structure is completely the same as that of embodiment 1, and the difference is that a rotation frame is further provided, and the main beam frame 2 is changed into a rotatable state by the rotation frame, so that the purpose of left-right swinging of the arc-shaped side top plate 1 is improved, and the installation range and the installation efficiency are improved.
Specifically, as shown in fig. 6, a rotating frame is further provided, and the rotating frame includes: a bracket 101 and a rotary drive; the bracket 101 is arranged between the third hydraulic rod 8 and the main beam frame 2, and the bracket 101 can be lifted or lowered through the third hydraulic rod 8; the two ends of the main beam frame 2 are provided with rotating shafts 21, the rotating shafts 21 are fixed on the bracket 101 through bearings and can be fixed by adopting a fixing plate 22 or other modes; the rotation driving member is used for driving the main beam frame 2 to rotate on the basis of the bracket 101, and specifically, the rotation driving member includes: a fourth hydraulic rod 106 and a fifth hydraulic rod 107, wherein the fourth hydraulic rod 106 and the fifth hydraulic rod 107 are respectively arranged at two sides of the main beam frame 2, the movable end of the fourth hydraulic rod 106 is hinged with the fixed end of the first hydraulic rod, the fixed end of the fourth hydraulic rod 106 is hinged with the support 101, the movable end of the fifth hydraulic rod 107 is hinged with the fixed end of the second hydraulic rod, and the fixed end of the fifth hydraulic rod 107 is hinged with the support 101. The main beam frame 2 completes rotation in one direction by extending the fourth hydraulic rod 106 and shortening the fifth hydraulic rod 107, and the main beam frame 2 completes rotation in the other direction by shortening the fifth hydraulic rod 107 and extending the fourth hydraulic rod 106; by rotating the main beam frame 2, the support rod also rotates, and the laying area is enlarged.
In the embodiment, the method for laying the tunnel arc-shaped side roof plate 1 comprises the following steps:
s1: and calculating the arc-shaped side top plate 1 according to the design standard of the tunnel, and conveying the laying device of the arc-shaped side top plate 1 of the tunnel into the tunnel through the movable trolley.
S2: the extension lengths of the first hydraulic rod and the second hydraulic rod are adjusted, so that the rollers 6 on the first support rod 3, the second support rod 4 and the third support rod 5 are all contacted with the inner side of the arc-shaped side top plate 1; a pull rope is bound on the arc-shaped side top plate 1; at this time, the third hydraulic rod 8 should be folded to reduce the height of the whole device.
S3: driving a first motor to drive a roller 6 to rotate, simultaneously sequentially lifting a third hydraulic rod 8 from the inside to the outside of the tunnel, and then conveying the arc-shaped side top plate 1 to a proper position through manually assisting to pull a pull rope; it should be noted here that the third hydraulic rod 8 is sequentially lifted from inside to outside to construct an inclined plane 63, so that the two actions of lifting the arc-shaped side top plate 1 and entering the tunnel are simultaneously performed, the working efficiency is greatly improved, and the aim of manually pulling the pull rope is to assist in traction, mainly play a role in monitoring, but not to pull, and convey the main roller 6; it is also emphasized that the movable end and the fixed end of the third hydraulic rod 8 are hinged to each other, so as to ensure that they do not interfere with each other when they are lifted in sequence.
S4: after the arc-shaped side roof 1 moves to the right, the fourth hydraulic rod 106 and the fifth hydraulic rod 107 are driven to swing left and right, the arc-shaped side roof 1 is laid, and then cement filling is carried out on a gap between the arc-shaped side roof 1 and the tunnel.
And after the installation is finished, resetting and then reciprocating.
Example 3
In the present embodiment, the main structure is the same as that of embodiment 2, except that, as shown in fig. 5, the rotary drive device is different, and in the present embodiment, an external gear 102 is provided on the outer side of the main beam frame 2, and the rotary drive device includes: a first gear 103 and a second gear 104 which are arranged on the bracket 101, wherein the first gear 103 and the second gear 104 are respectively meshed with the external gear 102 and are arranged on two sides of the main beam frame 2; a second driving motor 105, wherein the second driving motor 105 is arranged on the bracket 101 and drives the first gear 103 to rotate; the first gear 103 is driven to rotate by the second driving motor 105, and the main beam frame 2 is driven to rotate by the first gear 103, so that the swinging of the supporting rod is realized.
The present invention has been described in terms of the preferred embodiment, and it is not intended to be limited to the embodiment. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a tunnel arc side roof (1) laying device which characterized in that: comprises that
A main beam frame (2);
a moving assembly (7) arranged below the main beam frame (2);
the variable supporting group of a plurality of groups of setting on the girder structure (2), every group the variable supporting group all includes at least three bracing piece, and every bracing piece uses the girder structure (2) to distribute in the ring week side of girder structure (2) as the dot circumference, every the top of bracing piece can be dismantled and be equipped with gyro wheel (6), the pivot perpendicular to girder structure (2) of gyro wheel (6), be equipped with first driving motor (9) between the variable supporting group, first driving motor (9) drive gyro wheel (6) roll.
2. The laying device of the tunnel arc side roof (1) according to claim 1, characterized in that: each variable support group comprises a first support rod (3) which is vertically arranged, a second support rod (4) and a third support rod (5) which are symmetrically and vertically arranged;
the second support rod (4) is a first hydraulic rod, and the third support rod (5) is a second hydraulic rod;
the first supporting rod (3) is a fixing rod, and the driving motor drives the roller (6) at the top of the first supporting rod (3) to rotate.
3. The laying device of the tunnel arc side roof (1) according to claim 2, characterized in that: the moving assembly (7) is connected with the main beam frame (2) through a plurality of third hydraulic rods (8).
4. The laying device of the tunnel arc side roof (1) according to claim 3, characterized in that: the moving component (7) is a moving trolley.
5. The laying device of the tunnel arc side roof (1) according to claim 3, characterized in that: still be equipped with the swivel mount, the swivel mount includes:
a bracket (101), the bracket (101) being disposed between the third hydraulic rod (8) and the main beam frame (2); two ends of the main beam frame (2) are provided with rotating shafts (21), and the rotating shafts (21) are fixed on the bracket (101) through bearings;
the rotary driving piece is used for driving the main beam frame (2) to rotate on the basis of the bracket (101).
6. The laying device of the tunnel arc side roof (1) according to claim 5, characterized in that: the outer side of the main beam frame (2) is provided with an external gear (102), and the rotary driving piece comprises:
a first gear (103) and a second gear (104) which are arranged on the bracket (101), wherein the first gear (103) and the second gear (104) are respectively meshed with the external gear (102) and are arranged on two sides of the main beam frame (2);
the second driving motor (105), the second driving motor (105) is arranged on the bracket (101) and drives the first gear (103) to rotate.
7. The laying device of the tunnel arc side roof (1) according to claim 5, characterized in that: the rotary drive includes:
fourth hydraulic stem (106) and fifth hydraulic stem (107), fourth hydraulic stem (106) and fifth hydraulic stem (107) set up respectively in the both sides of girder frame (2), the expansion end of fourth hydraulic stem (106) articulates the stiff end of first hydraulic stem, the stiff end of fourth hydraulic stem (106) articulates support (101), the expansion end of fifth hydraulic stem (107) articulates the stiff end of second hydraulic stem, the stiff end of fifth hydraulic stem (107) articulates support (101).
8. The tunnel arc side roof (1) laying device according to any one of claims 6 or 7, characterized in that: the first driving motor (9) drives the rollers (6) positioned at the two ends of the main beam frame (2) to rotate.
9. The tunnel arc side roof (1) laying device according to claim 8, characterized in that said rollers (6) comprise:
the roller (61) is connected to the top of the supporting rod through a bearing, and the first driving motor drives the roller (61) to rotate;
the fixed disc (62) is fixedly connected with the rolling shaft (61), the fixed disc (62) is perpendicular to the rolling shaft (61), at least one inclined plane (63) is arranged on the outer side of the fixed disc (62), a limiting ring (64) is arranged at one end, far away from the rolling shaft (61), of the inclined plane (63), and the diameter of the limiting ring (64) is larger than the contact width of the inclined plane (63) and the limiting ring (64);
the anti-skidding sleeve (65), the anti-skidding sleeve (65) all including with spacing ring (64) and inclined plane (63) set up.
10. A method for laying a tunnel arc side roof (1), which is applied to the laying device of the tunnel arc side roof (1) of claim 9, and is characterized by comprising the following steps:
s1: calculating an arc-shaped side top plate (1) according to a tunnel design standard, and conveying the laying device of the tunnel arc-shaped side top plate (1) into the tunnel through a movable trolley;
s2: the extension lengths of the first hydraulic rod and the second hydraulic rod are adjusted, so that the rollers (6) on the first support rod (3), the second support rod (4) and the third support rod (5) are all contacted with the inner side of the arc-shaped side top plate (1); a pull rope is bound on the arc-shaped side top plate (1);
s3: the first motor is driven to drive the roller (6) to rotate, the third hydraulic rod (8) is sequentially lifted from the inside to the outside of the tunnel, and the arc-shaped side top plate (1) is conveyed to a proper position through a manual auxiliary pull rope;
s4: and driving the rotary driving assembly to swing left and right, laying the arc-shaped side top plate (1), and then filling cement into the gap between the arc-shaped side top plate (1) and the tunnel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210780143.3A CN115126520A (en) | 2022-07-04 | 2022-07-04 | Tunnel arc-shaped side top plate laying device and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210780143.3A CN115126520A (en) | 2022-07-04 | 2022-07-04 | Tunnel arc-shaped side top plate laying device and method |
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| CN115126520A true CN115126520A (en) | 2022-09-30 |
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| CN202210780143.3A Pending CN115126520A (en) | 2022-07-04 | 2022-07-04 | Tunnel arc-shaped side top plate laying device and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116163652A (en) * | 2023-04-26 | 2023-05-26 | 中铁八局集团电务工程有限公司 | Tunnel punching equipment and construction method thereof |
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2022
- 2022-07-04 CN CN202210780143.3A patent/CN115126520A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116163652A (en) * | 2023-04-26 | 2023-05-26 | 中铁八局集团电务工程有限公司 | Tunnel punching equipment and construction method thereof |
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