CN220505051U - Arch frame installation device for undercut tunnel - Google Patents
Arch frame installation device for undercut tunnel Download PDFInfo
- Publication number
- CN220505051U CN220505051U CN202322297599.7U CN202322297599U CN220505051U CN 220505051 U CN220505051 U CN 220505051U CN 202322297599 U CN202322297599 U CN 202322297599U CN 220505051 U CN220505051 U CN 220505051U
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- Prior art keywords
- grabbing
- steel
- arch
- rotary motor
- claws
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- 238000009434 installation Methods 0.000 title claims abstract description 17
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 63
- 239000010959 steel Substances 0.000 claims abstract description 63
- 210000000078 claw Anatomy 0.000 claims abstract description 36
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 9
- 238000010276 construction Methods 0.000 abstract description 19
- 238000000034 method Methods 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
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- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The utility model discloses an arch centering installation device for a subsurface tunnel, and relates to the field of underground engineering; the arch centering installation device comprises grabbing equipment, a device base and a hydraulic oil cylinder; the grabbing arm of the grabbing equipment is connected with one end of the device base; the other end of the device base is fixedly connected with the upper part of the rotary motor, and the middle connecting device is rotationally connected with the lower part of the rotary motor through a bearing; the middle connecting device is rotationally connected with more than four grabbing steel claws, and the grabbing steel claws are symmetrically arranged on two sides and more than two sides; the rotary motor is used for rotating the intermediate connecting device so as to drive the grabbing steel claw to rotate; the hydraulic oil cylinder is connected with the grabbing steel claw and used for opening and closing the grabbing steel claw. Through the setting of grabbing equipment, device base isotructure, make bow member installation device when using, grab through grabbing the steel claw and lift the fixed bow member then carry out bow member installation operation, the construction is simple, efficient, uses manpower sparingly, the security is high.
Description
Technical Field
The utility model relates to the field of underground engineering, in particular to an arch frame installation device for a subsurface tunnel.
Background
In the field of underground engineering, when a construction operation of a subsurface tunnel is carried out due to engineering requirements, a series of section steel arch supporting operations are needed at the initial stage of the construction of the subsurface tunnel; in the process of the operation, large-sized machines such as a crane and the like cannot enter a tunnel because of small operation surface, the section steel arch frame is heavy, the difficulty coefficient of manual transportation is high, and the physical power consumption of workers is high; the common construction method is that a single section of steel arch is placed in a hopper of a construction machine, then the machine is operated, the hopper is lifted to a place where the steel arch needs to be installed, and then a worker moves down the steel arch to perform manual erection; the operation process is time-consuming, and the construction machine is dangerous in the operation process because the profile steel arch frame cannot be fixed in the hopper.
For this purpose, an arch mounting device for a undercut tunnel is proposed, by which the above-mentioned technical problem is solved.
Disclosure of Invention
The utility model aims to solve the problems of high labor consumption, high construction difficulty, low construction efficiency and potential safety hazard in construction in the arch frame installation process by utilizing the traditional device.
In order to solve the technical problems, the utility model adopts the following technical scheme: an arch centering installation device for a subsurface tunnel comprises grabbing equipment, a device base and a hydraulic cylinder;
the grabbing arm of the grabbing equipment is connected with one end of the device base; the other end of the device base is fixedly connected with the upper part of the rotary motor, and the middle connecting device is rotationally connected with the lower part of the rotary motor through a bearing; the middle connecting device is rotationally connected with more than four grabbing steel claws, and the grabbing steel claws are symmetrically arranged on two sides and more than two sides;
the rotary motor is used for rotating the intermediate connecting device so as to drive the grabbing steel claw to rotate; the hydraulic oil cylinder is connected with the grabbing steel claw and used for opening and closing the grabbing steel claw.
Preferably, the gripping apparatus comprises an excavator.
Further, more than one steel pipe is arranged between two adjacent grabbing steel claws on the same side, and the steel pipes are fixedly connected with the grabbing steel claws.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, through the arrangement of the grabbing and lifting equipment, the device base, the rotary motor, the intermediate connecting device, the hydraulic oil cylinder and the grabbing and lifting steel claw, when the arch centering installation device is used, the arch centering is grabbed and lifted by the grabbing and lifting steel claw and is fixed after being placed at a position to be fixed, so that the construction is simple, the efficiency is high, and the labor is saved.
2. According to the utility model, through the arrangement of the grabbing and lifting equipment, the device base, the rotary motor, the intermediate connecting device, the hydraulic oil cylinder and the grabbing and lifting steel claw, when the arch frame installation device is used, the arch frame is grabbed and lifted by the grabbing and lifting steel claw to be fixed for transportation and lifting operation, and the safety is high.
Drawings
Fig. 1 is an overall schematic view of an arch mounting device for a undercut tunnel of the present utility model.
FIG. 2 is a front view of a grapple of an arch mounting device for a undercut tunnel of the present utility model.
Fig. 3 is a side view of a grapple of an arch mounting device for a undercut tunnel of the present utility model.
In the figure: 1. a device base; 2. a rotary motor; 3. an intermediate connection device; 4. a hydraulic cylinder; 5. grabbing and lifting a steel claw; 6. a steel pipe; 7. and (5) an arch frame.
Detailed Description
The technical solution of the present utility model will be clearly and completely described below with reference to the accompanying drawings and the specific embodiments, and the described embodiment is an example of the present utility model, and other embodiments of the present utility model are also possible.
Examples
The utility model relates to an arch centering installation device for a subsurface tunnel, which is combined with figures 1 to 3 and comprises an excavator and a grab bucket; the grab bucket comprises a device base 1, a rotary motor 2, an intermediate connecting device 3, a hydraulic cylinder 4, a grabbing steel claw 5 and a steel pipe 6. The grabbing and lifting arm of the excavator is connected with one end of the device base 1 through a large steel pin; the other end of the device base 1 is welded and fixed with the upper part of the rotary motor 2, and the middle connecting device 3 is rotationally connected with the lower part of the rotary motor 2 through a bearing; the hydraulic cylinder 4 is arranged in the middle connecting device 3; the middle connecting device 3 is rotationally connected with four grabbing steel claws 5 through steel pins, and the grabbing steel claws 5 are symmetrically arranged on two sides and distributed on two sides; the rotary motor 2 is used for rotating the intermediate connecting device 3 so as to drive the grabbing steel claw 5 to rotate; the hydraulic oil cylinder 4 is connected with the grabbing steel claw 5, and the hydraulic oil cylinder 4 is used for opening and closing the grabbing steel claw 5. A steel pipe 6 is arranged between two adjacent grabbing steel claws 5 positioned on the same side, the steel pipe 6 is phi 57 steel pipe, and the steel pipe 6 is welded with the grabbing steel claws 5.
When the primary support construction of the tunnel is completed, the hopper of the excavator is replaced by the grab bucket in advance after the system anchor rod construction is completed; according to the principle that the section steel arch frames are sequentially constructed and fixed from the arch bottom to the arch top, a driver operates the excavator to grab and convey the section steel arch frame units arranged at the arch bottom to the position of the tunnel face where the vertical frame is needed, and then grab the section steel arch frame units to rise to the position where the vertical frame is needed; the installation angle of the arch 7 is adjusted by rotating the rotary motor 2, after the approximate position of the angle is adjusted, workers manually operate to adjust the accurate position of the arch 7, and then a foot locking anchor rod is arranged to fix the arch 7; after the section steel arch frame units at the arch bottom are fixed, a driver operates the excavator to pick up and convey the section steel arch frame units next to the section steel arch frame units at the arch bottom to the position of the tunnel face where the vertical frame is needed, and then the section steel arch frame units are picked up and lifted to the position where the vertical frame is needed; the installation angle of the arch 7 is adjusted by rotating the rotary motor 2, after the approximate position of the angle is adjusted, workers manually operate to adjust the accurate position of the arch 7, and then the two arch units are connected and fixed by bolts; and the like, circularly operating until the construction of the whole section steel arch is completed, and then carrying out the construction of the next primary support procedure.
The method has the advantages of high practicality, simple operation, convenience and effectiveness in the construction process of the profile steel arch for the primary support of the tunnel, ensuring that the construction progress is not affected by the transportation and installation of the arch for the tunnel construction, and realizing the purpose of safely and efficiently carrying out the tunnel construction.
Through the setting of grabbing equipment, device base, rotary motor, intermediate junction device, hydraulic cylinder, grabbing steel claw, make bow member installation device when using, grab the bow member through grabbing steel claw and place behind waiting fixed position with it fixed, the construction is simple, efficient.
Through the setting of grabbing equipment, device base, rotary motor, intermediate junction device, hydraulic cylinder, grabbing steel claw, make bow member installation device replace the manual work to transport and lift the operation to the bow member when using, use manpower sparingly.
The terms "connected" and "fixed" used in the description of the present utility model may be fixed, formed, welded, or mechanically connected, and the specific meaning of the present utility model is understood in the specific case.
In the description of the present utility model, the directional or positional terms are presented merely to facilitate the description of the present utility model and to simplify the description, rather than to indicate or imply a particular orientation that the device or element being referred to must have, and thus are not to be construed as limiting the utility model.
Finally, it should be noted that: the foregoing examples are provided solely for the purpose of illustrating the technical scheme of the present utility model and are not intended to be limiting thereof, and only the preferred embodiments have been shown and described and all the modified and improved embodiments falling within the scope of the present utility model as defined by the appended claims are protected.
Claims (3)
1. An arch centering installation device for undercut tunnel, characterized in that: comprises grabbing equipment, a device base (1) and a hydraulic cylinder (4);
the grabbing arm of the grabbing equipment is connected with one end of the device base (1); the other end of the device base (1) is fixedly connected with the upper part of the rotary motor (2), and the middle connecting device (3) is rotationally connected with the lower part of the rotary motor (2) through a bearing; the middle connecting device (3) is rotationally connected with more than four grabbing steel claws (5), and the grabbing steel claws (5) are symmetrically arranged at two sides and more than two sides;
the rotary motor (2) is used for rotating the middle connecting device (3) so as to drive the grabbing steel claw (5) to rotate; the hydraulic oil cylinder (4) is connected with the grabbing steel claw (5), and the hydraulic oil cylinder (4) is used for opening and closing the grabbing steel claw (5).
2. An arch mounting device for a undercut tunnel according to claim 1, wherein: the grappling device includes an excavator.
3. An arch mounting device for a undercut tunnel according to claim 1, wherein: more than one steel pipe (6) is arranged between two adjacent grabbing steel claws (5) positioned on the same side, and the steel pipes (6) are fixedly connected with the grabbing steel claws (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322297599.7U CN220505051U (en) | 2023-08-25 | 2023-08-25 | Arch frame installation device for undercut tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322297599.7U CN220505051U (en) | 2023-08-25 | 2023-08-25 | Arch frame installation device for undercut tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220505051U true CN220505051U (en) | 2024-02-20 |
Family
ID=89881071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322297599.7U Active CN220505051U (en) | 2023-08-25 | 2023-08-25 | Arch frame installation device for undercut tunnel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220505051U (en) |
-
2023
- 2023-08-25 CN CN202322297599.7U patent/CN220505051U/en active Active
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