Shield tunnel segment punching device

Abstract

The invention relates to a shield tunnel segment punching device which is used for being matched with an existing track to conduct semi-automatic punching operation of a shield tunnel segment. The punching device comprises a walking mechanism which is erected on the existing track and can move along the existing track; the punching trolley is erected on the walking mechanism and can move along an existing track along with the walking mechanism; the swing mechanism is mounted on the punching trolley; the punching trolley has the capacity of moving along the existing track under the action of the walking mechanism, the swinging mechanism, the telescopic arm and the laser sensor of the punching trolley can swing the electric hammer body to the designated position in the circumferential direction of the inner wall of the tunnel, and therefore the position of the electric hammer body can be adjusted at will through cooperation; according to the shield tunnel segment punching device, the requirement for punching at any position of a shield tunnel segment is met, manual punching is replaced, the punching operation efficiency can be improved, and the precision of the punching operation position is guaranteed.

Description

Technical Field

[0001] This invention relates to the field of tunnel construction technology, and specifically to a device for drilling holes in shield tunnel segments. Background Technology

[0002] Steel lining reinforcement is a major repair technology for shield tunnel structural damage and is widely used in the treatment of large lateral deformation and uneven longitudinal settlement of shield tunnels caused by various reasons. After the steel lining is assembled, bolt planting work is carried out according to the bolt hole positions reserved on the steel lining. By planting nearly 100 bolts, the rigid connection between the steel lining and the tunnel segment is completed.

[0003] Currently, bolt planting and drilling work mainly relies on manual labor. However, the workload of more than 100 bolts in each ring of steel lining seriously affects the overall efficiency of bolt planting. In particular, the drilling work in the top plate is quite difficult, and the quality and efficiency of bolt implantation are also affected to some extent by the workers' working conditions and construction experience. Summary of the Invention

[0004] The purpose of this invention is to overcome the shortcomings of the prior art and provide a shield tunnel segment drilling device to solve the problems of low quality and efficiency in the existing technology that relies on manual drilling of shield tunnel segments.

[0005] To achieve the above objectives, the present invention provides a shield tunnel segment drilling device for use in conjunction with existing tracks to perform semi-automatic drilling operations on shield tunnel segments; the drilling device includes: The traveling mechanism is mounted on the existing track and is able to move along the existing track; A drilling trolley is mounted on the traveling mechanism and can move along the existing track with the traveling mechanism; The swing mechanism is mounted on the drilling trolley and is capable of generating a swinging force in a plane perpendicular to the direction of the existing tunnel. A telescopic arm is connected to the swing mechanism and can swing under the drive of the swing mechanism; The electric hammer body is connected to the other end of the telescopic arm swing mechanism and is capable of drilling holes in shield tunnel segments. A laser sensor is connected to the adjacent side of the electric hammer body and can perform drilling positioning before drilling on the electric hammer body.

[0006] By adopting this technical solution, the drilling trolley has the ability to move along the existing track under the action of the walking mechanism. Its own swing mechanism, telescopic arm and laser sensor can swing the electric hammer body around the inner wall of the tunnel to a designated position. This allows for arbitrary adjustment of the electric hammer body position to meet the needs of drilling at any position of the shield tunnel segment, thereby replacing manual drilling. This not only improves the drilling efficiency but also ensures the accuracy of the drilling position.

[0007] Furthermore, the traveling mechanism includes a track trolley, a structural support frame, and a lifting assembly; wherein, The track slab vehicle is mounted on the existing track and can move along the existing track; The structural support is vertically and flexibly connected to the track plate car via a lifting assembly, and is used to support the drilling trolley; Both sides of the bottom of the structural support extend outwards from the corresponding positions of the track trolley, and have a support portion with a downwardly extending bottom surface lower than the bottom surface of the track trolley. When the structural support moves up and down with the track trolley to the minimum distance under the action of the lifting assembly, it can support the ground through the support portion and allow the track trolley to detach from the existing track.

[0008] By adopting this technical solution, the traveling mechanism is set up as two parts: a track trolley and a structural support. In addition to increasing the height control function through the lifting component to achieve height control of the drilling trolley, the structural features of the structural support also add an additional stabilizing support function. Specifically, as the distance between the structural support and the track trolley is reduced to the minimum, the bottom of the structural support will first touch the ground, and as the distance continues to decrease, the track trolley will rise, thereby causing the track trolley to detach from the existing track, achieving the purpose of stabilizing the overall structure and ensuring that there will be no positional changes during the drilling operation.

[0009] Furthermore, the lifting assembly includes a guide sleeve, a guide column, and a jack disposed between the track trolley and the structural support; wherein, The guide sleeve and guide post are fitted together and connected to the track trolley and the structural support respectively; The two ends of the jack are connected to the track trolley and the structural support respectively, and can generate forces that move the track trolley and the structural support away from or towards each other. The jack, in conjunction with the sleeve and the guide column, controls the lifting and lowering of the track trolley and the structural support.

[0010] By adopting this technical solution, with the cooperation of the guide sleeve and guide column, and further with the cooperation of the jack, the structural support can be raised and lowered relative to the track trolley, and the track trolley can be lifted when the structural support is shortened to the minimum distance relative to the track trolley, so as to achieve the corresponding movement and stability control.

[0011] Furthermore, the walking mechanism also includes a support frame mounted on top of the structural support and a sliding adjustment mechanism; wherein, The support frame is slidably connected to the top of the structural support along a direction parallel to the existing track; The sliding adjustment mechanism is installed on the top of the structural support for the sliding control of the support frame.

[0012] By adopting this technical solution, after the structural support is stabilized on the ground, there may be a problem that the axial position of the electric hammer body in the shield tunnel is not accurate. At this time, it is only necessary to adjust the position of the support frame by sliding adjustment mechanism to complete the fine adjustment of the drilling trolley along the axial position of the shield tunnel. In other words, the position of the electric hammer body connected to the drilling trolley can be adjusted to ensure the axial accuracy of the subsequent drilling position.

[0013] Furthermore, the sliding adjustment mechanism includes a threaded sleeve and a threaded rod; wherein, The threaded sleeve is installed on the top of the structural support; The threaded rod passes through the threaded sleeve along a direction of movement parallel to the support frame, and the threaded rod is threadedly connected to the threaded sleeve. The threaded rod is rotatably connected to the support frame at one end.

[0014] By adopting this technical solution, the position of the support frame can be adjusted through the cooperation of the threaded sleeve and the threaded rod. Moreover, due to the characteristics of thread adjustment, the position adjustment has its own stabilizing effect, and no additional stabilizing structure or device is needed to stabilize the support frame after the position adjustment.

[0015] Furthermore, the swing mechanism includes a motor, a drive gear, a sector gear, and a swing shaft; wherein, The motor is installed on the inside of the drilling carriage; The drive gear is coaxially connected to the output shaft of the motor; The external teeth of the sector gear mesh with the driving gear; The swing shaft is rotatably connected to the top of the punching carriage. The swing shaft is fixedly connected to the sector gear, and the axis of the swing shaft is concentric with the center of the sector gear.

[0016] By adopting this technical solution, after the motor starts, it can drive the sector gear to rotate along the swing shaft through the drive gear, thereby generating a swinging force with the swing shaft as the center of rotation.

[0017] Furthermore, one end of the telescopic arm is fixedly connected to a sector gear; The other end of the telescopic arm is connected to an electric hammer clamp, and the electric hammer body and the laser sensor are connected through the electric hammer clamp.

[0018] By adopting this technical solution, the electric hammer clamp is designed to allow for easy disassembly of the electric hammer body, enabling the replacement of different electric hammer bodies to meet the needs of drilling size and depth, thereby improving the flexibility of the device.

[0019] Compared with the prior art, the present invention has the following advantages: The drilling trolley, under the action of the traveling mechanism, has the ability to move along the existing track. Its own swing mechanism, telescopic arm and laser sensor can swing the electric hammer body around the inner wall of the tunnel to a designated position. This allows for arbitrary adjustment of the electric hammer body position to meet the needs of drilling at any position of the shield tunnel segment, thereby replacing manual drilling. This not only improves the drilling efficiency but also ensures the accuracy of the drilling position. Attached Figure Description

[0020] Figure 1 This is a front view schematic diagram of the shield tunnel segment drilling device of the present invention; Figure 2 This is a side view schematic diagram of the shield tunnel segment drilling device in this invention; Figure 3 This is a top view schematic diagram of the shield tunnel segment drilling device in this invention.

[0021] Explanation of reference numerals in the attached drawings: 1. Track trolley; 2. Structural support; 3. Support frame; 4. Drilling trolley; 5. Telescopic arm; 6. Electric hammer clamp; 7. Electric hammer body; 8. Laser sensor; 9. Guide sleeve; 10. Guide column; 11. Jack; 12. Sliding adjustment mechanism; 121. Threaded sleeve; 122. Threaded rod; 131. Motor; 132. Drive gear; 133. Sector gear; 134. Swing shaft. Detailed Implementation

[0022] The present invention will be further described below with reference to the accompanying drawings and specific embodiments.

[0023] Please see the appendix Figure 1-2 This invention provides a shield tunnel segment drilling device for semi-automatic drilling of shield tunnel segments in conjunction with an existing track. The drilling device includes: a traveling mechanism mounted on the existing track and capable of moving along the track; a drilling trolley 4 mounted on the traveling mechanism and capable of moving along the track with the traveling mechanism; a swinging mechanism mounted on the drilling trolley 4 and capable of generating a swinging force in a plane perpendicular to the direction of the existing tunnel; a telescopic arm 5 connected to the swinging mechanism and capable of swinging under the drive of the swinging mechanism; an electric hammer body 7 connected to the other end of the telescopic arm 5 and capable of drilling shield tunnel segments; and a laser sensor 8 connected to the adjacent side of the electric hammer body 7 and capable of positioning the drill before the electric hammer body 7 drills. The drilling trolley 4 has the ability to move along the existing track under the action of the walking mechanism. Its own swing mechanism, telescopic arm 5 and laser sensor 8 can swing the electric hammer body 7 along the inner wall of the tunnel to a designated position. This allows the position of the electric hammer body 7 to be adjusted at will to meet the needs of drilling at any position of the shield tunnel segment. This replaces manual drilling, which not only improves the efficiency of drilling operations, but also ensures the accuracy of the drilling position. It should be noted that the telescopic boom 5 is the same as the conventional telescopic boom 5, and has its own telescopic function. In this application, it can use its own telescopic function to adjust the electric hammer body 7 to the position of the shield tunnel segment to ensure that the corresponding drilling operation can be completed.

[0024] Please see the appendix Figure 1 The traveling mechanism includes a track trolley 1, a structural support 2, and a lifting assembly. The track trolley 1 is mounted on the existing track and can move along the existing track. The structural support 2 is vertically connected to the track trolley 1 via the lifting assembly and is used to support the drilling trolley 4. Both sides of the bottom of the structural support 2 extend outward from the corresponding positions of the track trolley 1 and have a support portion extending downward with its bottom end face lower than the bottom surface of the track trolley 1. When the structural support 2 moves vertically and vertically with the track trolley 1 under the action of the lifting assembly to the minimum distance, it can support the ground through the support portion and allow the track trolley 1 to detach from the existing track. The traveling mechanism is set up as two parts: the track carriage 1 and the structural support 2. In addition to the height control function of the drilling carriage 4 by adding a height control function through the lifting component, the structural support 2 also adds an additional stable support function through its structural features. Specifically, as the distance between the structural support 2 and the track carriage 1 is reduced to the minimum, the bottom end of the structural support 2 will first touch the ground, and as the distance continues to decrease, the track carriage 1 will rise, thereby causing the track carriage 1 to detach from the existing track, achieving the purpose of stabilizing the overall structure and ensuring that there will be no positional change during the drilling operation.

[0025] Furthermore, the lifting assembly includes a guide sleeve 9, a guide column 10, and a jack 11 disposed between the track trolley 1 and the structural support 2; wherein, the guide sleeve 9 and the guide column 10 are fitted together and connected to the track trolley 1 and the structural support 2 respectively; the two ends of the jack 11 are connected to the track trolley 1 and the structural support 2 respectively, and can generate a force that moves the track trolley 1 and the structural support 2 away from or towards each other, thereby controlling the mutual lifting and lowering of the track trolley 1 and the structural support 2 in conjunction with the fitting of the guide sleeve 9 and the guide column 10; With the cooperation of guide sleeve 9 and guide column 10, the jack 11 can further complete the lifting and lowering action of structural support 2 relative to track trolley 1, and can complete the lifting action of track trolley 1 when the structural support 2 is shortened to the minimum distance relative to track trolley 1, so as to achieve the corresponding movement and stability control purpose.

[0026] Furthermore, the walking mechanism also includes a support frame 3 installed on top of the structural support 2 and a sliding adjustment mechanism 12; wherein, the support frame 3 is slidably connected to the top of the structural support 2 in a direction parallel to the existing track; the sliding adjustment mechanism 12 is installed on the top of the structural support 2 for the sliding control of the support frame 3; After the structural support 2 stabilizes its position on the ground, there may be a problem that the axial position of the electric hammer body 7 in the shield tunnel is not accurate. At this time, it is only necessary to adjust the position of the support frame 3 by adjusting the sliding adjustment mechanism 12 to complete the fine adjustment of the drilling carriage 4 along the axial position of the shield tunnel. In other words, it is possible to complete the position of the electric hammer body 7 connected to the drilling carriage 4 to ensure the axial accuracy of the subsequent drilling position.

[0027] For further details, please refer to the appendix. Figure 3 The sliding adjustment mechanism 12 includes a threaded sleeve 121 and a threaded rod 122; wherein, the threaded sleeve 121 is installed on the top of the structural support 2; the threaded rod 122 passes through the threaded sleeve 121 along a moving direction parallel to the support frame 3, and the threaded rod 122 is threadedly connected to the threaded sleeve 121; one end of the threaded rod 122 facing the support frame 3 is rotatably connected to the support frame 3. The position of the support frame 3 is adjusted by the cooperation of the threaded sleeve 121 and the threaded rod 122. Due to the characteristics of thread adjustment, the position adjustment has its own stabilizing effect, and no additional stabilizing structure or device is needed to stabilize the support frame 3 after the position adjustment.

[0028] Furthermore, in order to reduce the difficulty of rotating and adjusting the threaded rod 122, a handle can be connected to the end of it away from the connecting support frame 3.

[0029] Furthermore, in order to achieve modular design of the device and facilitate transportation and disassembly, the drilling trolley 4 can be a movable structure with rollers at the bottom, which facilitates the movement of the drilling trolley 4 after it is removed. Correspondingly, in order to improve its stability after it is placed on the support frame 3, the support frame 3 should have a structure to restrict the movement of the rollers at the bottom of the drilling trolley 4, so as to ensure the positional stability of the drilling trolley 4 during actual drilling operations.

[0030] Please continue to refer to the appendix. Figure 1-2The swing mechanism includes a motor 131, a drive gear 132, a sector gear 133, and a swing shaft 134. The motor 131 is mounted inside the punching carriage 4. The drive gear 132 is coaxially connected to the output shaft of the motor 131. The external teeth of the sector gear 133 mesh with the drive gear 132. The swing shaft 134 is rotatably connected to the top of the punching carriage 4. The swing shaft 134 is fixedly connected to the sector gear 133, and the axis of the swing shaft 134 is concentric with the center of the sector gear 133. After the motor 131 is started, it can drive the sector gear 133 to rotate along the swing shaft 134 through the drive gear 131, thereby generating a swinging force with the swing shaft 134 as the center of rotation.

[0031] Furthermore, one end of the telescopic arm 5 is fixedly connected to the sector gear 133; the other end of the telescopic arm 5 is connected to the electric hammer clamp 6, and the electric hammer body 7 and the laser sensor 8 are connected through the electric hammer clamp 6. The electric hammer clamp 6 allows the electric hammer body 7 to be easily disassembled, enabling the replacement of different electric hammer bodies 7 to meet the needs of drilling size and depth, thereby improving the flexibility of the device. It should be noted that the laser sensor 8 is not only used to detect the swing position of the electric hammer body 7, but also to detect the axial position of the shield tunnel where the electric hammer body 7 is located. Specifically, when the drilling trolley 4 moves with the traveling mechanism, it can determine in real time whether the axial position of the shield tunnel where the electric hammer body 7 is located is the axial position of the shield tunnel where the hole to be drilled is located. By determining this position, the traveling mechanism can be stopped from continuing to move, reducing the error of human position judgment. At the same time, it can also be used in conjunction with human position judgment to improve the accuracy of position determination.

[0032] The present invention has been described in detail above with reference to the accompanying drawings and embodiments. Those skilled in the art can make various modifications to the present invention based on the above description. Therefore, certain details in the embodiments should not be construed as limiting the present invention, and the scope of protection of the present invention shall be defined by the appended claims.

Claims

1. A shield tunnel segment perforating device for semi-automatic perforating operation of a shield tunnel segment in cooperation with an existing track, characterized in that, The punching device comprises: A walking mechanism arranged on the existing track and capable of moving along the existing track; A punching trolley arranged on the walking mechanism and capable of moving along the existing track with the walking mechanism; A swing mechanism installed on the punching trolley and capable of generating a swing force in a plane perpendicular to the direction of the existing tunnel; A telescopic arm connected with the swing mechanism and capable of swinging under the drive of the swing mechanism; A hammer body connected with the other end of the telescopic arm and the swing mechanism and capable of punching the shield tunnel segment; A laser sensor connected at a position adjacent to the hammer body and capable of positioning the punching before the hammer body punches.

2. The shield tunnel segment punching device according to claim 1, characterized in that: The walking mechanism comprises a track plate vehicle, a structural support and a lifting assembly; wherein, The track plate vehicle is arranged on the existing track and capable of moving along the existing track; The structural support is connected to the track plate vehicle in a lifting manner through the lifting assembly and used for supporting the punching trolley; The bottom of the structural support extends outward from both sides of the track plate vehicle, and has a downwardly extending bottom end surface lower than the bottom surface of the track plate vehicle, so that the structural support can support the ground and make the track plate vehicle leave the existing track when the structural support and the track plate vehicle are lifted to the closest distance under the action of the lifting assembly.

3. The shield tunnel segment punching device according to claim 2, characterized in that: The lifting assembly comprises a guide sleeve, a guide column and a jack arranged between the track plate vehicle and the structural support; wherein, The guide sleeve and the guide column are matched in a sleeve connection and connected to the track plate vehicle and the structural support respectively; The two ends of the jack are connected to the track plate vehicle and the structural support respectively and capable of generating an action force for moving the track plate vehicle and the structural support away from or close to each other, so as to control the lifting of the track plate vehicle and the structural support in cooperation with the sleeve connection of the guide sleeve and the guide column.

4. The shield tunnel segment punching device according to claim 2, characterized in that: The walking mechanism further comprises a support frame installed on the top of the structural support and a sliding adjustment mechanism; wherein, The support frame is connected to the top of the structural support in a sliding manner along the direction parallel to the existing track; The sliding adjustment mechanism is installed on the top of the structural support for the sliding control of the support frame.

5. The shield tunnel segment punching device according to claim 4, characterized in that: The sliding adjustment mechanism comprises a threaded sleeve and a threaded rod; wherein, The threaded sleeve is installed on the top of the structural support; The threaded rod penetrates through the threaded sleeve along the moving direction parallel to the support frame, and the threaded rod is threadedly connected with the threaded sleeve; The end of the threaded rod towards the support frame is rotationally connected with the support frame.

6. The shield tunnel segment punching device according to claim 1, wherein: The swing mechanism comprises a motor, a driving gear, a sector gear and a swing shaft; wherein, The motor is installed on the inner side of the punching trolley; The driving gear is coaxially connected to the output shaft of the motor; The outer teeth of the sector gear are engaged with the driving gear; The swing shaft is rotationally connected to the top of the punching trolley, the swing shaft is fixedly connected with the sector gear, and the axis of the swing shaft is concentric with the center of the sector gear.

7. The shield tunnel segment piercing device according to claim 6, characterized in that: One end of the telescopic arm is fixedly connected with the sector gear; The other end of the telescopic arm is connected with a hammer clamp, and the hammer body and the laser sensor are connected through the hammer clamp.

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