Tunnel center deeply-buried ditch non-blasting construction device

Abstract

The utility model discloses a tunnel center deeply-buried ditch non-blasting construction device, which belongs to the field of tunnel construction equipment and comprises a support frame, a moving frame, a lifting device, a cutting device, a moving frame driving device and a moving device, the moving frame slides on the support frame, the lifting device is mounted on the moving frame, and a motor is mounted on a support plate. The saw disc is installed at the output end of the motor, the saw disc cover is installed at the end of the supporting plate, and the saw disc rotates in the saw disc cover. The moving frame driving device is installed at the front end of the supporting frame, the output end of the moving frame driving device is connected with the moving frame, and the moving device is installed at the bottom end of the supporting frame. The cutting seams are formed through downward cutting of the saw disc and straight line cutting along the center of the tunnel, then the two cutting seams are broken through the gun hammer until construction of the tunnel center ditch is completed, back break and underbreak can be avoided, interference to other construction procedures is small, construction is simple, and the construction efficiency is improved. And the construction efficiency of the tunnel central ditch is improved.

Description

Technical Field

[0001] This utility model belongs to the field of tunnel construction equipment, and in particular relates to a non-explosive construction device for a deep-buried water ditch in the center of a tunnel. Background Technology

[0002] Currently, most construction sites for deep-buried drainage ditches in the center of tunnels employ blasting methods. This involves using pneumatic rock drills, down-the-hole drills, or three-arm drilling rigs to create vertical pre-splitting holes or longitudinal horizontal holes in the central drainage ditch. The blasting method is then used to excavate the deep-buried drainage ditch in stages. However, the following problems often arise during construction:

[0003] (1) Over- and under-excavation during blasting is serious. Since the overall cross-section of the central ditch is mostly inverted trapezoidal, the blasting excavation is affected by the surrounding rock conditions, drilling equipment, drilling quality, and blasting parameter design. Over- and under-excavation often occur after the blasting of the central deep-buried ditch, resulting in serious waste of concrete backfill.

[0004] (2) The excavation process of the drainage ditch is highly disruptive and has low construction efficiency. The central deep-buried drainage ditch is located at the bottom of the invert arch. Due to the narrow space of the excavation working face and the cross-operation with the tunnel face process, the construction of the central drainage ditch often suffers from low excavation efficiency, which restricts the overall construction progress of the tunnel.

[0005] (3) The construction process is complicated and the quality control is difficult. After the central deep-buried water ditch is blasted and excavated, the subsequent construction involves many processes such as slag removal, wall protection spraying concrete, water pipe base installation, water pipe installation, and gravel filter layer backfilling, making it difficult to control the construction quality.

[0006] (4) It affects the safe construction of the tunnel. In areas with poor surrounding rock, if the excavation of the central drainage ditch takes a long time, it will result in the initial support of the invert arch not being closed into a ring in time, which will increase the risk of tunnel safety construction.

[0007] To address the aforementioned issues, there is an urgent need for those skilled in the art to propose a non-explosive method for constructing the central drainage ditch in the tunnel. Utility Model Content

[0008] In view of this, the present invention provides a non-explosive construction device for deep-buried water trenches in the center of tunnels to solve the above problems.

[0009] To achieve the above objectives, the present invention adopts the following technical solution:

[0010] A non-explosive construction device for a deep-buried drainage ditch in the center of a tunnel includes: a support frame, a movable frame, a lifting device, a cutting device, a movable frame drive device, and a moving device. The movable frame is slidably connected to the support frame. The lifting device is mounted on the movable frame and includes a support plate. The cutting device includes a motor, a saw disc, and a saw disc cover. The motor is mounted on the support plate, the saw disc is mounted on the output end of the motor, and the saw disc cover is mounted on the end of the support plate. The output end of the motor passes through the saw disc cover, and the saw disc rotates within the saw disc cover. The movable frame drive device is mounted on the front end of the support frame, and the output end of the movable frame drive device is fixedly connected to the movable frame. The moving device is mounted on the bottom end of the support frame.

[0011] It also includes a hydraulic oil supply device, which is installed at the rear end of the support frame; the lifting device also includes a first hydraulic telescopic rod, a plurality of first hydraulic telescopic rods are suspended in the movable frame, the support plate is connected to the bottom end of the plurality of first hydraulic telescopic rods, and the first hydraulic telescopic rods are connected to the hydraulic oil supply device pipeline;

[0012] The movable frame includes a horizontal plate and a pair of movable frames. The horizontal plates are fixedly installed between the pair of movable frames. The movable frames are provided with multiple sliding grooves. The support frame is provided with an upper horizontal beam and a middle horizontal beam. The upper horizontal beam and the middle horizontal beam are both provided with slide rails. The sliding grooves are slidably connected to the slide rails.

[0013] The moving frame driving device is a second hydraulic telescopic rod. Multiple second hydraulic telescopic rods are installed at the front end of the support frame. The output end of the second hydraulic telescopic rod is fixedly connected to the moving frame. The second hydraulic telescopic rod is connected to the hydraulic oil supply device pipeline.

[0014] Furthermore, the cutting device is configured as two, with the two motors arranged opposite each other on the support plate, and the output ends of the two motors facing opposite directions.

[0015] Furthermore, the lifting device also includes a pair of guide grooves, which are vertically installed on opposite sides of the two movable frames. The support plate is provided with a guide portion, which is slidably connected to the guide groove.

[0016] Furthermore, the mobile device is a hydraulic motor-driven track wheel, the support frame is provided with a lower beam, the hydraulic motor-driven track wheel is installed at the bottom end of the lower beam, and the hydraulic motor-driven track wheel is connected to the hydraulic oil supply device pipeline.

[0017] Furthermore, it also includes hydraulic lifting rods, a plurality of which are installed in the lower beam, with the output end of the hydraulic lifting rods pointing vertically downward, and the hydraulic lifting rods being connected to the hydraulic oil supply device pipeline.

[0018] The beneficial effects of this utility model are as follows:

[0019] This invention employs a motor-driven saw blade cutting method, avoiding blasting and improving construction safety. The first hydraulic telescopic rod moves the support plate downwards, allowing the saw blade to gradually move downwards during rotational cutting until the target cutting depth is reached, preventing over- or under-cutting. The second hydraulic telescopic rod drives the moving frame within the support frame, combined with a hydraulic motor driving the track wheels and hydraulic jacking rod, enabling the saw blade to complete a section of cutting before moving on to the next, until the entire central drainage ditch of the tunnel is cut. Finally, an excavator and a hammer are used to break up and clear the debris between the two cutting seams, completing the non-blasting construction of the deep-buried drainage ditch in the center of the tunnel. This invention simplifies the construction process and improves construction efficiency. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the provided drawings without creative effort.

[0021] Figure 1 This is a structural schematic diagram of a non-explosive construction device for a deep-buried water ditch in the center of a tunnel.

[0022] Figure 2 This is a front view of a non-blasting construction device for a deep-buried water ditch in the center of a tunnel.

[0023] Figure 3 This is a top view of a non-explosive construction device for a deep-buried water ditch in the center of a tunnel.

[0024] Figure 4 for Figure 2 AA section view in the image.

[0025] Figure 5 for Figure 3 BB section view in the middle.

[0026] In the figure:

[0027] 10-Support frame, 11-Upper crossbeam, 12-Middle crossbeam, 13-Slide rail, 14-Lower beam, 20-Moving frame, 21-Horizontal plate, 22-Moving frame, 221-Slide groove, 30-Lifting device, 31-Support plate, 311-Guide part, 32-First hydraulic telescopic rod, 33-Guide groove, 40-Cutting device, 41-Motor, 42-Saw disc, 43-Saw disc cover, 50-Second hydraulic telescopic rod, 60-Hydraulic motor driven track wheel, 70-Hydraulic oil supply device, 80-Hydraulic lifting rod. Detailed Implementation

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0029] Example 1

[0030] See attached document Figure 1-5 As shown, this utility model provides a non-explosive construction device for a deep buried drainage ditch in the center of a tunnel, including: a support frame 10, a movable frame 20, a lifting device 30, a cutting device 40, a movable frame drive device, and a moving device. The movable frame 20 is slidably connected to the support frame 10. The lifting device 30 is installed on the movable frame 20 and includes a support plate 31. The cutting device 40 includes a motor 41, a saw blade 42, and a saw blade cover 43. The motor 41 is installed on the support plate 31, the saw blade 42 is installed at the output end of the motor 41, and the saw blade cover 43 is installed at the end of the support plate 31. The output end of the motor 41 passes through the saw blade cover 43, and the saw blade 42 rotates inside the saw blade cover 43. The movable frame drive device is installed at the front end of the support frame 10, and the output end of the movable frame drive device is fixedly connected to the movable frame 20. The moving device is installed at the bottom end of the support frame 10. Motor 41 drives saw blade 42 to rotate, lifting device 30 moves support plate 31 downwards, and support plate 31 moves downwards with motor 41. Saw blade 42 cuts the ground and continues to cut downwards with support plate 31 until the target depth is reached, avoiding over- or under-excavation. This non-explosive cutting method also improves construction safety. A moving frame drive device pushes moving frame 20, carrying cutting device 40, on support frame 10 to cut until the central ditch of the tunnel is cut. Two cutting devices 40 are used, with two motors 41 positioned opposite each other on support plate 31, their output ends facing opposite directions. Two saw blades 42 cut simultaneously, forming two cutting slits. After breaking up the slits with an excavator and hammer, and clearing the debris, the non-explosive construction of the deep-buried central ditch of the tunnel is completed, improving work efficiency.

[0031] A non-explosive construction device for a deep-buried drainage ditch in the center of a tunnel also includes a hydraulic oil supply device 70. The hydraulic oil supply device 70 is a hydraulic source device consisting of a hydraulic pump, a drive motor, an oil tank, a directional valve, a throttle valve, and an overflow valve, or a hydraulic device including a control valve. The hydraulic oil supply device 70 is existing technology and will not be described in detail. The hydraulic oil supply device 70 is installed at the rear end of the support frame 10. The lifting device 30 also includes a first hydraulic telescopic rod 32. Multiple first hydraulic telescopic rods 32 are suspended in the movable frame 20. The support plate 31 is connected to the bottom end of multiple first hydraulic telescopic rods 32. The first hydraulic telescopic rods 32 are connected to the hydraulic oil supply device 70 through pipelines. The hydraulic oil supply device 70 provides driving force for the first hydraulic telescopic cylinder.

[0032] The movable frame 20 includes horizontal plates 21 and a pair of movable frames 22. Multiple horizontal plates 21 are fixedly installed between the pair of movable frames 22. Multiple sliding grooves 221 are provided on the movable frames 22. The support frame 10 is provided with an upper horizontal beam 11 and a middle horizontal beam 12. Slide rails 13 are provided on both the upper horizontal beam 11 and the middle horizontal beam 12. The sliding grooves 221 are slidably connected to the slide rails 13. The movable frame 20 moves on the support frame 10 through the cooperation of the sliding grooves 221 and the slide rails 13.

[0033] The lifting device 30 also includes a pair of guide grooves 33, which are vertically installed on opposite sides of the two movable frames 22. The support plate 31 is provided with a guide part 311, which is slidably connected to the guide grooves 33, further making the support plate 31 more stable during the up and down movement.

[0034] The moving frame drive device is a second hydraulic telescopic rod 50. Multiple second hydraulic telescopic rods 50 are installed at the front end of the support frame 10. The output end of the second hydraulic telescopic rod 50 is fixedly connected to the moving frame 20. The second hydraulic telescopic rod 50 is connected to the hydraulic oil supply device 70 through a pipeline. The hydraulic oil supply device 70 provides driving force to the second hydraulic telescopic rod 50.

[0035] The mobile device is a hydraulic motor driven track wheel 60. The hydraulic oil supply device 70 is also existing technology and will not be described in detail. The support frame 10 is provided with a lower beam 14. The hydraulic motor driven track wheel 60 is installed at the bottom end of the lower beam 14. The hydraulic motor driven track wheel 60 is connected to the hydraulic oil supply device 70 through pipelines. The hydraulic oil supply device 70 provides driving force to the hydraulic motor driven track wheel 60.

[0036] A non-explosive construction device for a deep-buried drainage ditch in the center of a tunnel also includes hydraulic jacking rods 80. Multiple hydraulic jacking rods 80 are installed in the lower beam 14, with their output ends pointing vertically downwards. The hydraulic jacking rods 80 are connected to a hydraulic oil supply device 70 via pipelines, which provides driving force to the hydraulic jacking rods 80. The hydraulic jacking rods 80 extend downwards, and upon contacting the ground, they enhance the stability of the entire device when the cutting device 40 cuts the ground.

[0037] Example 2

[0038] Due to the limitation of tunnel width, some tunnels cannot accommodate two saw blades 42 cutting simultaneously. Therefore, this embodiment only sets up one cutting device 40. When in use, one cutting slit is cut first; after reaching the end point, the direction is reversed to cut another cutting slit. Then, an excavator and a hammer are used to break the two cutting slits and clear the debris to complete the non-blasting construction of the deep buried water ditch in the center of the tunnel.

[0039] Example 3

[0040] A non-blasting construction method for a deep-buried water ditch in the center of a tunnel includes the following steps:

[0041] S1. Measure the tunnel and determine the construction location of the central drainage ditch;

[0042] S2. The non-explosive construction device for the deep-buried water ditch in the center of the tunnel moves the tracked wheel 60 to the construction position of the central water ditch by driving the hydraulic motor. Multiple hydraulic lifting rods 80 extend downward and abut against the ground in the center of the tunnel until the tracked wheel 60 driven by the hydraulic motor just leaves the ground.

[0043] S3. Turn on the motor 41 to drive the saw disc 42 to rotate. The first hydraulic telescopic rod 32 extends downward, and the saw disc 42 contacts the ground in the center of the tunnel and gradually cuts the ground downward until the saw disc 42 moves to the target position.

[0044] S4. The second hydraulic telescopic rod 50 extends and pushes the moving frame 20 to move on the support frame 10. The saw disc 42 moves with the moving frame 20 to make a straight cut on the center of the tunnel.

[0045] S5. After the moving frame 20 moves from one end to the other on the support frame 10, the motor 41 stops rotating, the first hydraulic telescopic rod 32 retracts, and the saw disc 42 is lifted off the ground in the center of the tunnel; the second hydraulic telescopic rod 50 retracts, bringing the moving frame 20 back to its initial end on the support frame 10; the hydraulic lifting rod 80 retracts until the bottom end of the hydraulic lifting rod 80 is lifted off the ground, driving the hydraulic motor to drive the track wheel 60 to continue moving the entire device forward;

[0046] S6. Repeat steps S2-S5 until the ground cutting at the center of the tunnel is completed;

[0047] S7. When the non-blasting construction device for the deep-buried water ditch in the center of the tunnel consists of two cutting devices 40, the two cutting devices 40 cut two cutting seams, and then a hammer is installed at the output end of the excavator to directly break the ground in the center of the tunnel between the two cutting seams; finally, the gravel is cleared to complete the non-blasting construction of the deep-buried water ditch in the center of the tunnel.

[0048] Example 4

[0049] A non-blasting construction method for a deep-buried water ditch in the center of a tunnel includes the following steps:

[0050] S1. Measure the tunnel and determine the construction location of the central drainage ditch;

[0051] S2. The non-explosive construction device for the deep-buried water ditch in the center of the tunnel moves the tracked wheel 60 to the construction position of the central water ditch by driving the hydraulic motor. Multiple hydraulic lifting rods 80 extend downward and abut against the ground in the center of the tunnel until the tracked wheel 60 driven by the hydraulic motor just leaves the ground.

[0052] S3. Turn on the motor 41 to drive the saw disc 42 to rotate. The first hydraulic telescopic rod 32 extends downward, and the saw disc 42 contacts the ground in the center of the tunnel and gradually cuts the ground downward until the saw disc 42 moves to the target position.

[0053] S4. The second hydraulic telescopic rod 50 extends and pushes the moving frame 20 to move on the support frame 10. The saw disc 42 moves with the moving frame 20 to make a straight cut on the center of the tunnel.

[0054] S5. After the moving frame 20 moves from one end to the other on the support frame 10, the motor 41 stops rotating, the first hydraulic telescopic rod 32 retracts, and the saw disc 42 is lifted off the ground in the center of the tunnel; the second hydraulic telescopic rod 50 retracts, bringing the moving frame 20 back to its initial end on the support frame 10; the hydraulic lifting rod 80 retracts until the bottom end of the hydraulic lifting rod 80 is lifted off the ground, driving the hydraulic motor to drive the track wheel 60 to continue moving the entire device forward;

[0055] S6. Repeat steps S2-S5 until the ground cutting at the center of the tunnel is completed;

[0056] S7. When the non-blasting construction device for the deep-buried water ditch in the center of the tunnel is a cutting device 40, the non-blasting construction device for the deep-buried water ditch in the center of the tunnel turns its direction to complete the construction of another cutting joint. Then, a hammer is installed at the output end of the excavator to break the ground in the center of the tunnel between the two cutting joints. Finally, the gravel is cleared to complete the non-blasting construction of the deep-buried water ditch in the center of the tunnel.

[0057] The above descriptions are merely specific embodiments of this utility model. Commonly known structures and characteristics are not described in detail here. It should be noted that those skilled in the art can make various modifications and improvements without departing from the structure of this utility model, and these should also be considered within the scope of protection of this utility model. These modifications will not affect the effectiveness of the implementation of this utility model or the practicality of the patent. The scope of protection claimed in this application shall be determined by the content of its claims, and the specific embodiments described in the specification can be used to interpret the content of the claims.

[0058] The various embodiments in this specification are described in a progressive manner, with each embodiment focusing on its differences from other embodiments. Similar or identical parts between embodiments can be referred to interchangeably. For the apparatus disclosed in the embodiments, since they correspond to the methods disclosed in the embodiments, the description is relatively simple; relevant parts can be referred to the method section.

[0059] The above description of the disclosed embodiments enables those skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A non-explosive construction device for a deep-buried water ditch in the center of a tunnel, characterized in that, include: The system comprises a support frame (10), a movable frame (20), a lifting device (30), a cutting device (40), a movable frame drive device, and a moving device. The movable frame (20) is slidably connected to the support frame (10). The lifting device (30) is mounted on the movable frame (20) and includes a support plate (31). The cutting device (40) includes a motor (41), a saw blade (42), and a saw blade cover (43). The motor (41) is mounted on the support plate (31). The saw disc (42) is installed at the output end of the motor (41), the saw disc cover (43) is installed at the end of the support plate (31), the output end of the motor (41) passes through the saw disc cover (43), and the saw disc (42) rotates inside the saw disc cover (43); the moving frame drive device is installed at the front end of the support frame (10), the output end of the moving frame drive device is fixedly connected to the moving frame (20), and the moving device is installed at the bottom end of the support frame (10); It also includes a hydraulic oil supply device (70), which is installed at the rear end of the support frame (10); the lifting device (30) also includes a first hydraulic telescopic rod (32), a plurality of first hydraulic telescopic rods (32) are suspended in the movable frame (20), the support plate (31) is connected to the bottom end of the plurality of first hydraulic telescopic rods (32), and the first hydraulic telescopic rods (32) are connected to the hydraulic oil supply device (70) via pipeline; The movable frame (20) includes a horizontal plate (21) and a pair of movable frames (22). Multiple horizontal plates (21) are fixedly installed between the pair of movable frames (22). Multiple sliding grooves (221) are provided on the movable frames (22). The support frame (10) is provided with an upper horizontal beam (11) and a middle horizontal beam (12). Slide rails (13) are provided on both the upper horizontal beam (11) and the middle horizontal beam (12). The sliding grooves (221) are slidably connected to the slide rails (13). The moving frame driving device is a second hydraulic telescopic rod (50). Multiple second hydraulic telescopic rods (50) are installed at the front end of the support frame (10). The output end of the second hydraulic telescopic rod (50) is fixedly connected to the moving frame (20). The second hydraulic telescopic rod (50) is connected to the hydraulic oil supply device (70) via pipeline.

2. The non-blasting construction device for a deep-buried water ditch in the center of a tunnel according to claim 1, characterized in that, The cutting device (40) is configured as two, and the two motors (41) are arranged opposite to each other on the support plate (31), with the output ends of the two motors (41) facing opposite directions.

3. The non-blasting construction device for a deep-buried water ditch in the center of a tunnel according to claim 1, characterized in that, The lifting device (30) also includes a pair of guide grooves (33), the two guide grooves (33) are respectively vertically installed on opposite sides of the two movable frames (22), and a guide part (311) is provided on the support plate (31), the guide part (311) is slidably connected to the guide groove (33).

4. The non-blasting construction device for a deep-buried water ditch in the center of a tunnel according to claim 1, characterized in that, The mobile device is a hydraulic motor driven track wheel (60), the support frame (10) is provided with a lower beam (14), the hydraulic motor driven track wheel (60) is installed at the bottom end of the lower beam (14), and the hydraulic motor driven track wheel (60) is connected to the hydraulic oil supply device (70) pipeline.

5. A non-explosive construction device for a deep-buried water ditch in the center of a tunnel according to claim 4, characterized in that, It also includes hydraulic lifting rods (80), a plurality of which are installed in the lower beam (14), the output end of which is vertically downward, and which is connected to the hydraulic oil supply device (70) via pipeline.

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