CN213450228U

CN213450228U - Perforating device applied to tunnel construction

Info

Publication number: CN213450228U
Application number: CN202022086163.XU
Authority: CN
Inventors: 云强; 鲁德利; 唐振兴; 刘博�
Original assignee: China Railway Construction South China Construction Co Ltd
Current assignee: China Railway Construction South China Construction Co Ltd
Priority date: 2020-09-21
Filing date: 2020-09-21
Publication date: 2021-06-15
Anticipated expiration: 2030-09-21

Abstract

The utility model relates to a be applied to perforating device of tunnel construction, including height adjusting mechanism, installed part and drilling subassembly. The height adjusting mechanism comprises a driving assembly, a screw rod in transmission connection with the driving assembly and limiting pieces arranged at intervals with the screw rod; the mounting piece is sleeved on the screw rod and is in threaded connection with the screw rod, and the mounting piece is in limit fit with the limiting piece so that the mounting piece can move back and forth along the length direction of the screw rod; the drilling assembly is disposed on the mounting member. During the use, utilize height adjustment mechanism to adjust the height of installed part, and then adjust drilling assembly's drilling height for drilling assembly can be close to the position that needs punched, restarts drilling assembly and makes height adjustment mechanism drive drilling assembly and move towards drilling direction, thereby can be quick, convenient completion punch, and then can be quick in the tunnel, convenient carry out the breakage to bold rock, improved the efficiency of construction, accelerated the construction progress.

Description

Perforating device applied to tunnel construction

Technical Field

The utility model relates to a tunnel construction technical field especially relates to a be applied to perforating device of tunnel construction.

Background

The urbanization process is accelerated continuously, and the subway construction range is widened more and more. In the subway construction process, corresponding construction operation needs to be completed in the tunnel. For example, during tunnel construction, when large pieces of rock are encountered, they need to be broken in order to be transported out of the tunnel. Traditional mode adopts the percussion drill to punch in order to accomplish the breakage to massive rock for constructor, and the efficiency of construction is lower, influences the construction progress.

SUMMERY OF THE UTILITY MODEL

Therefore, the perforating device for tunnel construction needs to be provided aiming at the problems that the construction efficiency is low and the construction progress is influenced.

The technical scheme is as follows:

in one aspect, a perforating device applied to tunnel construction is provided, which includes:

the height adjusting mechanism comprises a driving assembly, a screw rod in transmission connection with the driving assembly and limiting pieces arranged at intervals with the screw rod;

the mounting piece is sleeved on the screw rod and is in threaded connection with the screw rod, and the mounting piece is in limit fit with the limiting piece so that the mounting piece can reciprocate along the length direction of the screw rod; and

a drilling assembly disposed on the mounting member.

The perforating device of above-mentioned embodiment for tunnel construction, during the use, thereby start the drive assembly and drive the lead screw and rotate, combine the threaded connection of installed part and lead screw, and the spacing cooperation of installed part and locating part, thereby drive the installed part along the length direction reciprocating motion of lead screw, and then drive the drilling subassembly that sets up on the installed part along the length direction reciprocating motion of lead screw, thereby adjust the drilling position of drilling subassembly, make the drilling subassembly can be accurate reach predetermined drilling position. After the drilling subassembly reachd preset drilling position, open the drilling subassembly and utilize the rotation of lead screw to continue to drive the length direction removal of drilling subassembly along the lead screw to can be quick, convenient completion punch, and then can be quick in the tunnel, convenient carry out the breakage to the bold rock, improved the efficiency of construction for the construction progress.

The technical solution is further explained below:

in one embodiment, the driving assembly includes a first rotary driving member, a first transmission gear is fixedly arranged at a rotary output end of the first rotary driving member, a second transmission gear is fixedly arranged at one end of the screw rod, and the second transmission gear is in transmission fit with the first transmission gear.

In one embodiment, the punching device applied to tunnel construction further comprises a movable seat, the movable seat is provided with a mounting cavity, the first rotary driving element and the limiting element are fixedly arranged on the movable seat, the screw rod is rotatably arranged on the movable seat, and the first transmission gear and the second transmission gear are arranged in the mounting cavity.

In one embodiment, a connecting member is disposed at an end of the limiting member away from the moving seat, and the connecting member is rotatably connected to the screw rod.

In one embodiment, the perforating device applied to tunnel construction further comprises a first telescopic sleeve, the first telescopic sleeve is sleeved on the outer wall of the screw rod, and the first telescopic sleeve is arranged between the mounting piece and the moving seat; and/or be applied to perforating device of tunnel construction still includes the flexible cover of second, the flexible cover of second cover is established the outer wall of lead screw, just the flexible cover of second is established and is arranged in the installed part with between the connecting piece.

In one embodiment, an auxiliary fixing structure is further arranged on one side of the movable seat.

In one embodiment, the auxiliary fixing structure includes a connecting sleeve fixedly connected to the movable base, and a fixing cone inserted into the connecting sleeve.

In one embodiment, the punching device applied to tunnel construction further comprises an installation sleeve provided with an internal thread, the installation member is provided with a first installation through hole and a second installation through hole which are arranged at intervals, the installation sleeve is fixedly arranged in the first installation through hole, the installation sleeve is sleeved on the screw rod, the internal thread is in threaded fit with the external thread of the screw rod, and the limiting member is arranged in the second installation through hole in a penetrating manner.

In one embodiment, the drilling assembly comprises a second rotary driving member fixedly arranged on the mounting member, and a drill rod connected with a rotary output end of the second rotary driving member, and the drilling device applied to tunnel construction further comprises an auxiliary positioning structure which is matched with the drill rod in a positioning manner.

In one embodiment, the auxiliary positioning structure comprises a connecting bracket and a positioning sleeve, the positioning sleeve is sleeved on the outer wall of the drill rod, and the connecting bracket is used for connecting the positioning sleeve and the mounting piece.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification.

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic structural view of a perforating device applied to tunnel construction according to an embodiment;

FIG. 2 is a schematic structural view of the inside of a movable base of the perforating device applied to tunnel construction of FIG. 1;

fig. 3 is a schematic structural view of an auxiliary fixing structure of the perforating device applied to tunnel construction of fig. 1.

Description of reference numerals:

10. be applied to perforating device of tunnel construction, 100, height adjusting mechanism, 110, drive assembly, 111, first rotary driving spare, 112, first transmission gear, 113, second transmission gear, 120, the lead screw, 130, the locating part, 200, the installed part, 210, the installation cover, 300, drilling subassembly, 310, second rotary driving spare, 320, the drilling rod, 400, remove the seat, 410, the installation cavity, 420, remove the portion, 500, the connecting piece, 600, first flexible cover, 700, the flexible cover of second, 800, supplementary fixed knot constructs, 810, the adapter sleeve, 820, the fixed cone, 821, the draw-in groove, 900, supplementary location structure, 910, linking bridge, 920, the position sleeve, 1000, built-in power supply.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

As shown in fig. 1, in one embodiment, there is provided a perforating device 10 for tunnel construction, which includes a height adjusting mechanism 100, a mounting member 200, and a drilling assembly 300. So, during the use, utilize height adjustment mechanism 100 to adjust the height of installed part 200, and then adjust the drilling height of drilling subassembly 300, make drilling subassembly 300 can be close to the position that needs punched, restart drilling subassembly 300 and make height adjustment mechanism 100 drive drilling subassembly 300 and remove towards the drilling direction, thereby can be quick, convenient completion punches, and then can be quick in the tunnel, convenient carry out the breakage to the bold rock, construction efficiency is improved, construction progress has been accelerated.

As shown in fig. 1 and fig. 2, the height adjusting mechanism 100 includes a driving assembly 110, a screw rod 120 in transmission connection with the driving assembly 110, and a limiting member 130 spaced from the screw rod 120; the mounting member 200 is sleeved on the screw rod 120 and is in threaded connection with the screw rod 120, and the mounting member 200 is in limit fit with the limiting member 130, so that the mounting member 200 can reciprocate along the length direction of the screw rod 120; the drilling assembly 300 is disposed on the mounting member 200.

The perforating device 10 applied to tunnel construction of the above embodiment, during the use, thereby start the drive assembly 110 and drive the lead screw 120 and rotate, combine the threaded connection of installed part 200 and lead screw 120, and the spacing cooperation of installed part 200 and locating part 130, thereby drive installed part 200 along the length direction (shown as the a direction of fig. 2) reciprocating motion of lead screw 120, and then drive the drilling assembly 300 that sets up on installed part 200 along the length direction reciprocating motion of lead screw 120, thereby adjust the drilling position of drilling assembly 300, make the drilling assembly 300 can be accurate reach preset drilling position. After drilling assembly 300 reachd preset drilling position, open drilling assembly 300 and utilize lead screw 120's rotation to continue to drive drilling assembly 300 and remove along lead screw 120's length direction to can be quick, convenient completion punch, and then can be quick in the tunnel, convenient carry out the breakage to the bold rock, improved the efficiency of construction, accelerated the construction progress.

The mount 200 may be a mounting plate, mounting table, or other component capable of providing a mount.

The driving assembly 110 drives the screw rod 120, such that the screw rod 120 is directly driven to rotate by the rotation driving element, or the screw rod 120 is driven to rotate by the transmission of the intermediate element, and only the requirement that the screw rod 120 can be driven to rotate around the central axis of the screw rod 120 is met.

As shown in fig. 1 and 2, in one embodiment, the driving assembly 110 includes a first rotary driving member 111. The first transmission gear 112 is fixedly arranged at the rotation output end of the first rotation driving member 111. One end of the screw rod 120 is fixedly provided with a second transmission gear 113. The second transmission gear 113 is in transmission fit with the first transmission gear 112. Thus, when the rotation output end of the first rotation driving member 111 rotates, the first transmission gear 112 is driven to rotate, and then the second transmission gear 113 is driven to rotate, so as to drive the screw rod 120 to rotate around the central axis of the screw rod. The power transmission is realized by the meshing of the first transmission gear 112 and the second transmission gear 113, the transmission is stable, the work is reliable, and the device can be used for a long time. The first rotary drive 111 may be a servo motor or other element capable of providing forward and reverse torque. The connection between the first transmission gear 112 and the rotary output end and the connection between the second transmission gear 113 and the screw rod 120 can be realized in a key and key groove fit or bolt connection mode, and can also be realized in an interference fit mode, and only the requirement that stable and reliable connection can be realized is met.

As shown in fig. 1 and 2, the perforating apparatus 10 for tunnel construction further includes a movable base 400. The movable base 400 is provided with an installation cavity 410, and the first rotary driving member 111 and the limiting member 130 are fixedly disposed on the movable base 400 by riveting, welding, screwing or clamping. The screw rod 120 is rotatably disposed on the movable base 400 through a bearing connection, and the first transmission gear 112 and the second transmission gear 113 are disposed in the mounting cavity 410. So, can drive height adjusting mechanism 100, installed part 200 and drilling subassembly 300 when removing seat 400 and remove to can use the tunnel construction requirement according to the nimble adjustment drilling position of actual drilling needs. And, set up first driving tooth and second driving tooth in installation cavity 410, can avoid external foreign matter to cause the influence to the transmission cooperation between first driving tooth and the second driving tooth, guarantee the reliability and the continuation of work. The rotary driving end of the first rotary driving element 111 can extend into the mounting cavity 410, and one end of the screw rod 120 can also extend into the mounting cavity 410.

As shown in fig. 1 and fig. 2, a connecting member 500 is disposed at an end of the limiting member 130 away from the moving base 400, and the connecting member 500 is rotatably connected to the screw rod 120 by a bearing connection or the like. So, make the one end of lead screw 120 and remove the seat 400 and realize rotating the connection, the other end of lead screw 120 and connecting piece 500 realize rotating the connection, not only guarantee that lead screw 120 can be smooth and easy rotate around the central axis of self under drive assembly 110's effect, also guarantee that lead screw 120 has sufficient support strength, avoid lead screw 120 to warp or crooked, guarantee that installed part 200 can be smooth and easy along the length direction reciprocating motion of lead screw 120. The connecting member 500 may be a connecting plate or a connecting strip, and the connecting member 500 may be connected to the limiting member 130 by welding, screwing, riveting, or the like, or the connecting member 500 and the limiting member 130 are integrally formed, so that the connecting member 500 and the movable base 400 are relatively spaced and can be rotatably connected to the lead screw 120.

As shown in fig. 1, in an embodiment, the perforating device 10 for tunnel construction further includes a first telescopic sleeve 600, the first telescopic sleeve 600 is sleeved on the outer wall of the screw rod 120, and the first telescopic sleeve 600 is disposed between the mounting member 200 and the movable base 400. Thus, when the mounting member 200 reciprocates along the length direction of the screw rod 120, the first telescopic sleeve 600 stretches along with the movement of the mounting member 200, so that the part of the screw rod 120 between the mounting member 200 and the movable base 400 is always shielded and protected, external foreign matters such as dust are prevented from being attached to the external thread of the screw rod 120, and the mounting member 200 can stably and reliably move. The first telescopic sleeve 600 may be of a bellows structure or made of elastic materials such as rubber. The first telescoping sleeve 600 may be connected to the mounting member 200 and the movable base 400 by means of a clip connection, a bolt connection, or a bayonet connection.

As shown in fig. 1, in one embodiment, the perforating device 10 for tunnel construction further includes a second telescopic sleeve 700, the second telescopic sleeve 700 is sleeved on the outer wall of the screw rod 120, and the second telescopic sleeve 700 is disposed between the mounting member 200 and the connecting member 500. Thus, when the mounting member 200 reciprocates along the length direction of the screw rod 120, the second telescopic sleeve 700 stretches along with the movement of the mounting member 200, so that the part of the screw rod 120 between the mounting member 200 and the connecting member 500 is shielded and protected all the time, thereby preventing external foreign matters such as dust from being attached to the external thread of the screw rod 120 and ensuring the stable and reliable movement of the mounting member 200. The second elastic sleeve 700 may be of a bellows structure or made of an elastic material such as rubber. The second bellows 700 may be connected to the mounting member 200 and the connecting member 500 by means of a clip connection, a bolt connection, or a bayonet connection.

As shown in fig. 1, of course, the first telescopic sleeve 600 and the second telescopic sleeve 700 may be sleeved on the outer wall of the screw rod 120 at the same time, so as to protect the whole screw rod 120 and ensure the stability and reliability of the threaded connection between the screw rod 120 and the mounting member 200.

As shown in fig. 1 and 3, in one embodiment, an auxiliary fixing structure 800 is further provided at one side of the movable base 400. Therefore, the auxiliary fixing structure 800 can be used for stably and reliably fixing the movable base 400 to the ground and other external environments, so that enough support is provided for the operation of the drilling assembly 300, and safety accidents such as toppling over caused by uneven stress are avoided. The auxiliary fixing structure 800 can be stably and reliably connected and fixed with the ground and other external environments in a plugging and clamping manner.

As shown in fig. 1 and 3, in one embodiment, the auxiliary fixing structure 800 includes a connection sleeve 810 fixedly connected to the movable base 400, and a fixing cone 820 inserted into the connection sleeve 810. So, will remove seat 400 and remove to suitable drilling position after, insert rock or ground with fixed awl 820 to can realize stable, reliable fixed to removing seat 400, avoid taking place crooked among the drilling process. As shown in fig. 3, a corresponding locking groove 821 may be further formed on the fixing cone 820, so that the fixing cone 820 cannot be easily loosened after being inserted into rock or the ground, and the stability is better. The connecting sleeve 810 can be connected with the movable base 400 by welding, riveting, or the like. The connection sleeve 810 may be spaced apart from the movable portion 420 of the movable base 400 so that the movement and fixation of the movable base 400 do not interfere with each other. Wherein, the moving part 420 may be a moving roller or a universal wheel provided on the pressure-bearing surface of the moving seat 400.

The threaded connection between the mounting member 200 and the screw rod 120 can be realized by directly arranging a mounting through hole with internal threads on the mounting member 200 or by using an intermediate element; the spacing cooperation of installed part 200 and locating part 130 can be realized through the cooperation mode of contradicting, only needs to satisfy and to restrict installed part 200 and rotate around the central axis of lead screw 120 to, can not influence installed part 200 along the length direction reciprocating motion of lead screw 120 can. The limiting member 130 may be a limiting post or a limiting strip.

As shown in fig. 1 and 2, in one embodiment, the perforating device 10 applied to tunnel construction further includes a mounting sleeve 210 provided with an internal thread (not shown). The mounting member 200 is provided with first mounting through holes (not labeled) and second mounting through holes (not labeled) which are arranged at intervals. The mounting sleeve 210 is fixedly arranged in the first mounting through hole in a bonding, interference fit or other mode, the mounting sleeve 210 is sleeved on the screw rod 120, and the internal thread is in threaded fit with the external thread of the screw rod 120. The limiting member 130 is disposed through the second mounting hole. In this way, the mounting member 200 can reciprocate along the length direction of the screw rod 120 along with the rotation of the screw rod 120 by the threaded fit of the mounting sleeve 210 with the internal thread and the screw rod 120, and the wear of the mounting member 200 is avoided. Meanwhile, the mounting member 200 can be prevented from rotating around the central axis of the screw rod 120 by only passing the limiting member 130 through the second mounting through hole and by using the interference between the side wall of the second mounting through hole and the side wall of the limiting member 130, which is simple and convenient. Of course, in other embodiments, the mounting member 200 can be divided into two parts, one part is connected with the screw rod 120 and is engaged with the limiting member 130 in a limiting manner, and the other part is used for mounting the drilling assembly 300.

The drilling assembly 300 may be any conventional element or structure capable of drilling rock or earth.

As shown in fig. 1, in one embodiment, the drilling assembly 300 includes a second rotary driving member 310 fixed to the mounting member 200 by screwing, riveting, clipping or welding, and a drill rod 320 connected to a rotary output end of the second rotary driving member 310. In this manner, activation of the second rotary drive 310 causes the drill rod 320 to rotate, thereby enabling drilling of a hole in rock or rock soil for breaking. The second rotary driver 310 may be a driving motor or other conventional element capable of providing a rotary driving force to punch holes. The perforating device 10 applied to tunnel construction further comprises an auxiliary positioning structure 900, and the auxiliary positioning structure 900 is matched with the drill rod 320 in a positioning mode. Therefore, the auxiliary positioning structure 900 can be used for positioning and protecting the drill rod 320, the structural stability of the drill rod 320 can be enhanced, and the drill rod 320 is prevented from being inclined in the punching process. The positioning and matching of the auxiliary positioning structure 900 and the drill rod 320 can be realized in a guiding constraint mode or a sleeving constraint mode.

As shown in fig. 1, specifically, the auxiliary positioning structure 900 includes a connecting bracket 910 and a positioning sleeve 920, the positioning sleeve 920 is sleeved on the outer wall of the drill rod 320, and the connecting bracket 910 is used for connecting the positioning sleeve 920 and the mounting member 200. Therefore, the constraint of the inner wall of the positioning sleeve 920 is utilized, the drill rod 320 can be prevented from being inclined or bent in the rotating process, and the drill rod 320 can be ensured to be reliably and stably punched. The connecting bracket 910 may be in the form of a connecting rod or a connecting strip, and the connecting bracket 910 may be connected to the mounting member 200 and the positioning sleeve 920 by screwing, riveting or welding.

As shown in fig. 2, for convenience of use, a built-in power supply 1000 such as a battery may be provided in the mounting cavity 410 of the movable base 400, and the built-in power supply 1000 may be used to transmit electric power to the first rotary driving element 111 and the second rotary driving element 310. Of course, an external power source or commercial power may be used to supply power to the first and second

rotary driving members

111 and 310.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. The term "and/or" as used in this disclosure includes any and all combinations of one or more of the associated listed items.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

It should also be understood that in explaining the connection relationship or the positional relationship of the elements, although not explicitly described, the connection relationship and the positional relationship are interpreted to include an error range which should be within an acceptable deviation range of a specific value determined by those skilled in the art. For example, "about," "approximately," or "substantially" may mean within one or more standard deviations, without limitation.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above examples only represent some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides a be applied to perforating device of tunnel construction which characterized in that includes:

a drilling assembly disposed on the mounting member.

2. The perforating device applied to tunnel construction as claimed in claim 1, wherein the driving assembly comprises a first rotary driving member, a first transmission gear is fixedly arranged at a rotary output end of the first rotary driving member, a second transmission gear is fixedly arranged at one end of the screw rod, and the second transmission gear is in transmission fit with the first transmission gear.

3. The perforating device as claimed in claim 2, wherein the perforating device further comprises a movable base, the movable base has a mounting cavity, the first rotary driving member and the limiting member are fixed on the movable base, the screw rod is rotatably disposed on the movable base, and the first transmission gear and the second transmission gear are disposed in the mounting cavity.

4. The perforating device as claimed in claim 3, wherein a connecting member is provided at an end of the position limiting member away from the movable base, and the connecting member is rotatably connected to the screw rod.

5. The perforating device for tunnel construction as claimed in claim 4, further comprising a first telescopic sleeve, wherein the first telescopic sleeve is sleeved on the outer wall of the screw rod, and the first telescopic sleeve is arranged between the mounting member and the moving base; and/or be applied to perforating device of tunnel construction still includes the flexible cover of second, the flexible cover of second cover is established the outer wall of lead screw, just the flexible cover of second is established and is arranged in the installed part with between the connecting piece.

6. The perforating device as claimed in claim 3, wherein an auxiliary fixing structure is further provided at one side of the movable base.

7. The perforating device as claimed in claim 6, wherein the auxiliary fixing structure comprises a connecting sleeve fixedly connected to the movable base, and a fixing cone inserted into the connecting sleeve.

8. The perforating device as claimed in any of claims 1 to 7, wherein the perforating device further comprises a mounting sleeve having an internal thread, the mounting member has a first mounting hole and a second mounting hole spaced apart from each other, the mounting sleeve is fixedly disposed in the first mounting hole, the mounting sleeve is sleeved on the screw rod, the internal thread is in threaded engagement with the external thread of the screw rod, and the limiting member is disposed through the second mounting hole.

9. The perforating device as claimed in any of claims 1 to 7, wherein the perforating assembly comprises a second rotary drive member fixed to the mounting member, and a drill rod connected to a rotary output end of the second rotary drive member, and the perforating device further comprises an auxiliary positioning structure, and the auxiliary positioning structure is matched with the drill rod in a positioning manner.

10. The perforating device as claimed in claim 9, wherein the auxiliary positioning structure comprises a connecting bracket and a positioning sleeve, the positioning sleeve is sleeved on an outer wall of the drill rod, and the connecting bracket is used for connecting the positioning sleeve and the mounting member.