Adjustable grouting, hole sealing and shaped charge blasting integrated device

Abstract

An adjustable grouting, hole sealing and energy gathering blasting integrated device comprises an energy gathering pipe and a tubular main framework which are arranged front and back. The main framework is arranged in the front-back direction, the outer ring of the main framework is sequentially sleeved with a first plugging device and a second plugging device which can be unfolded or contracted in an umbrella shape in the front-back direction in the length direction of the main framework, openings of the two plugging devices face backwards, and the distance between the two plugging devices is adjustable. A grouting hole penetrating through the inner side and the outer side of the main framework is formed in the portion, between the two plugging devices, of the main framework. By adjusting the distance between the first plugging device and the second plugging device, the plugging grouting length can be controlled when the energy-gathering pipe is plugged, the plugging length requirements of the energy-gathering pipe under different working conditions are effectively met, and engineering requirements are better met.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of blasting construction, specifically to adjustable grouting hole sealing energy-gathering blasting integrated device. BACKGROUND

[0002] In tunnel construction, mine exploitation and other engineering, energy-gathering tube is often used in blasting operation, and the plugging technology in blasting operation is mainly used to prevent the debris, dust and other sundries generated after blasting from entering the working area, to ensure the safety of construction personnel and the normal operation of construction equipment. The commonly used hole sealing methods at present mainly include stuffing stemming and bag grouting hole sealing, wherein the stuffing stemming method has the problems of high labor intensity, poor stuffing, poor effect, long working hours, which seriously affect the blasting construction progress, and the bag grouting hole sealing method needs to fill the bag to the full state to ensure the plugging effect during plugging, so the length of grouting plugging cannot be flexibly adjusted, and if the grouting length is changed, the grouting bag needs to be replaced. SUMMARY

[0003] To solve the technical problems of poor effect of stuffing stemming, long working hours, and inability to flexibly adjust the grouting length of bag grouting hole sealing in the background art, the utility model provides an adjustable grouting hole sealing energy-gathering blasting integrated device.

[0004] The utility model technical scheme is as follows:

[0005] An adjustable grouting hole sealing energy-gathering blasting integrated device, comprising an energy-gathering tube and a tubular main skeleton arranged front and back.

[0006] The main skeleton is arranged along the front and back direction, and the outer ring is sequentially sleeved with a first plugging device and a second plugging device capable of being opened or contracted like an umbrella along the length direction front and back, the openings of the two plugging devices face backward, and the distance between them is adjustable.

[0007] A grouting hole through the inside and outside of the main skeleton is arranged on the main skeleton between the two plugging devices.

[0008] By adjusting the distance between the first plugging device and the second plugging device, the length of grouting plugging during plugging of the energy-gathering tube can be controlled, effectively meeting the plugging length requirement of the energy-gathering tube under different working conditions, and better adapting to engineering needs.

[0009] Further, the opening side of the first plugging device is provided with a opening device capable of opening it and fixing it in the opened state, and the first plugging device is opened to preliminarily plug the blast hole.

[0010] Preferably, the fixing mode of the expansion device is through the clamping cooperation of the steel ball and the main framework. The main framework is provided with a clamping hole capable of cooperating with the steel ball. When the expansion device moves to the position of the clamping hole, the steel ball can be clamped into the clamping hole, and at this time, the first sealing device is in the expansion state, and the outer wall thereof is tightly abutted against the inner wall of the blast hole, so that the sealing effect is achieved.

[0011] As a preferred embodiment, the opening side of the second sealing device is connected with a pushing device capable of pushing the second sealing device to move forward and backward. The pushing device pushes the second sealing device to move forward and backward, adjusts the distance between the two sealing devices, and adjusts the sealing length of the grouting.

[0012] Specifically, it further comprises a positioning device capable of fixing the position of the second sealing device, and the pushing device is arranged to be capable of expanding the second sealing device under the cooperation of the positioning device. After the position of the second sealing device is determined, the position is fixed by the positioning device, and then the pushing device is pushed forward to expand the second sealing device.

[0013] Further, the positioning device comprises a body ring capable of sliding in the main framework, and a steel block elastically arranged on the body ring; the main framework is provided with a positioning hole, and the steel block is capable of clamping cooperation with the positioning hole. The body ring is pushed into the inside of the main framework from one end of the main framework, and when it reaches the position of the positioning hole, the steel block on the body ring is popped out and extends out of the positioning hole, and is blocked in front of the second sealing device. At this time, the pushing device can be continuously pushed to expand the second sealing device.

[0014] In order to facilitate the storage and installation of the main framework and the shaped charge tube, the main framework and the shaped charge tube are screw-connected.

[0015] Further preferably, a plurality of grouting holes are circumferentially arranged around the main framework, so as to improve the grouting efficiency.

[0016] Through the above design, the beneficial effects of the adjustable grouting and sealing integrated device for shaped charge blasting lie in that:

[0017] (1) The sealing length of the grouting can be controlled when the shaped charge tube is sealed, and the sealing length requirement of the shaped charge tube under different working conditions is effectively met, so that the device better adapts to engineering needs.

[0018] (2) The integrated sealing can be completed when the shaped charge tube is sealed. When the first sealing device and the second sealing device are in the contracted state, the integrated device (the above-mentioned adjustable grouting and sealing integrated device for shaped charge blasting) can be directly sent into the blast hole, and the construction method is simple and efficient.

[0019] (3) The umbrella-shaped sealing device and the grouting method are combined to seal, so that the sealing property can be effectively enhanced.

[0020] (4) can realize the integration of grouting plugging and blasting, save construction process, shorten time and make construction more efficient. BRIEF DESCRIPTION OF DRAWINGS

[0021] In the drawings:

[0022] Figure 1 It is a schematic view of an adjustable grouting hole sealing and shaped charge blasting integrated device;

[0023] Figure 2 It is a schematic view of a distraction device in the embodiment;

[0024] Figure 3 It is a schematic view of a main skeleton in the embodiment;

[0025] Figure 4 It is a schematic view of a positioning device in the embodiment;

[0026] Figure 5 It is a schematic view of the working of the utility model;

[0027] Figure 6 It is a schematic view of the grouting completion of the utility model;

[0028] The components represented by the reference numerals in the drawings are:

[0029] 1, first plugging device; 2, distraction device; 3, second plugging device; 4, pushing device; 5, umbrella rib; 6, main skeleton; 7, grouting cavity; 8, shaped charge tube; 9, positioning hole; 10, positioning device; 11, grouting hole; 12, positioning direction line; 13, steel block; 14, spring; 15, steel ball; 16, connecting piece; 17, blast hole; 18, threaded head; 19, clamping groove. DETAILED DESCRIPTION

[0030] Embodiment

[0031] Referring to Figure 1 The embodiment provides an adjustable grouting hole sealing and shaped charge blasting integrated device, which comprises a shaped charge tube 8 and a tubular main skeleton 6 arranged front to back.

[0032] Exemplarily, the shaped charge tube 8 comprises a horizontal charging pipeline, V-shaped energy gathering grooves are opened on both sides of the charging pipeline, and the charging pipeline is internally provided with explosives.

[0033] In order to facilitate the storage and installation of the main skeleton 6 and the shaped charge tube 8, the main skeleton 6 and the shaped charge tube 8 are spirally connected.

[0034] Referring to Figure 3 Specifically, the rear end of the charging pipeline is connected with a connecting piece 16, the rear side of the connecting piece 16 is provided with a threaded groove, and the front section of the main skeleton 6 is provided with a threaded head 18 capable of cooperating with the threaded groove.

[0035] In this embodiment, the main skeleton 6 is arranged along the front-back direction, and the outer ring is sequentially sleeved with the first and second blocking devices 1 and 3 along the length direction, which can be opened like an umbrella or contracted, the openings of the two blocking devices face backward, and the distance between the two blocking devices is adjustable.

[0036] The surfaces of the two blocking devices are made of high-elastic sealing material, and the sealing effect is good.

[0037] Further, the opening side of the first blocking device 1 is provided with the opening device 2 which can open and fix the first blocking device 1 in the opened state, and the first blocking device 1 is opened to preliminarily block the blast hole 17.

[0038] In the specific implementation, the opening device 2 includes a sliding ring which is slidably sleeved on the outer ring of the main skeleton 6, and the outer ring is connected with the opening side of the first blocking device 1 through a secondary skeleton, and the first blocking device 1 can be opened under the action of the secondary skeleton by moving the sliding ring forward.

[0039] Referring to Figure 2 , preferably, the fixing mode of the opening device 2 is the clamping cooperation of the steel ball 15 and the main skeleton 6. The main skeleton 6 is provided with a clamping hole which can cooperate with the steel ball 15, when the opening device 2 moves to the position of the clamping hole, the steel ball 15 can be clamped into the clamping hole, and at this time, the first blocking device 1 is in the opened state, the outer wall of which is tightly abutted with the inner wall of the blast hole 17, so as to achieve the blocking effect.

[0040] As a preferred embodiment, the opening side of the second blocking device 3 is connected with the pushing device 4 which can push the second blocking device 3 to move forward and backward. The pushing device 4 pushes the second blocking device 3 to move forward and backward, adjusts the distance between the two blocking devices, and adjusts the length of the blocked grouting.

[0041] Specifically, it further includes the positioning device 10 which can fix the position of the second blocking device 3, and the pushing device 4 is arranged to open the second blocking device 3 under the cooperation of the positioning device 10. When the position of the second blocking device 3 is determined, the position is fixed by the positioning device, and then the pushing device 4 is pushed forward to open the second blocking device 3.

[0042] Referring to Figure 4 , further, the positioning device 10 includes a body ring which can slide in the main skeleton 6, and the body ring is elastically provided with a steel block 13; the main skeleton 6 is provided with a positioning hole 9, and the steel block 13 can be clamped and tightly cooperated with the positioning hole 9. The body ring is pushed into the inside of the main skeleton 6 from one end of the main skeleton 6, when it reaches the position of the positioning hole 9, the steel block 13 on the body ring is popped out and extends out of the positioning hole 9, and is blocked in front of the second blocking device 3, at this time, the second blocking device 3 can be opened by continuously pushing the pushing device 4.

[0043] Exemplarily, the body ring is provided with a through hole penetrating the inner and outer sides thereof, the body ring is provided with a horizontal fixing plate, the steel block 13 is connected to the side of the fixing plate facing the through hole through the spring 14, and in the relaxed state of the spring 14, the steel block 13 can extend out of the through hole. When the positioning device 10 reaches the position of the positioning hole 9, the steel block 13 can extend out of the positioning hole 9 to limit and fix the second sealing device 3.

[0044] The shape of the positioning hole 9 is consistent with the shape and cross-sectional size of the steel block 13, so as to ensure the ejection effect of the steel block 13.

[0045] Exemplarily, the side of the steel block 13 facing the fixing plate is provided with a protrusion, which can increase the contact area with the spring 14 and limit the steel block 13. After the steel block 13 is ejected, the protrusion can abut against the inner wall of the body ring, thereby enhancing the stability of the steel block 13.

[0046] In specific implementation, the positioning hole 9 is uniformly provided with a plurality of positioning holes along the circumference of the main framework 6, and the horizontal distances of the plurality of positioning holes 9 from the end of the main framework 6 are different. The pushing device 4 includes a sleeve pipe slidingly sleeved on the rear side of the second sealing device 3, and a plurality of positioning direction lines 12 are arranged on the sleeve pipe along the circumference thereof and correspond to the positions of the plurality of positioning holes 9, so as to facilitate observation of the pushing distance of the pushing device 4.

[0047] Further preferably, the inner wall of the main framework 6 is provided with a plurality of clamping grooves 19 corresponding to the positioning holes 9, and the clamping grooves 19 penetrate from the rear end of the main framework 6 to the positions of the positioning holes 9. After the position of the second sealing device 3 is determined through the positioning direction lines 12 on the pushing device 4, it can be known which one of the positioning holes 9 in front of the second sealing device 3 is, and then the through hole on the positioning device 10 is aligned with the clamping groove 19 corresponding to the positioning hole 9, and then the positioning device 10 is pushed into the main framework 6 through the push rod. When the positioning device 10 reaches the position of the specified positioning hole 9, the steel block 13 is ejected, and at this time, the second sealing device 3 cannot continue to advance, thereby achieving fixation of the second sealing device 3.

[0048] In the embodiment, after the two sealing devices are expanded, a closed grouting cavity 7 is formed between the two sealing devices, and a grouting hole 11 penetrating the inner and outer sides of the main framework 6 and communicating with the grouting cavity 7 is arranged on the main framework 6 between the two sealing devices. The grouting mode further enhances the sealing effect of the blast hole 17.

[0049] Further preferably, the grouting hole 11 is circumferentially arranged on the main framework 6, thereby improving the grouting efficiency.

[0050] In specific implementation, the distance between the clamping hole and the grouting hole 11 is greater than the size of the expansion device 2 in the length direction of the main framework 6, so as to avoid that the grouting hole 11 is blocked by the expansion device 2.

[0051] By adjusting the distance between the first sealing device 1 and the second sealing device 3, the sealing length of the grouting can be controlled when the shaped charge tube 8 is sealed, which effectively meets the sealing length requirement of the shaped charge tube 8 under different working conditions and better adapts to engineering needs.

[0052] Referring to Figure 5 、 Figure 6 The utility model discloses in using:

[0053] Step one: installation

[0054] The threaded head 18 of the main skeleton 6 front end is screwed tightly with the connecting piece 16 of the shaped charge tube 8 rear end;

[0055] Step two: send into the hole

[0056] A, ensure that two sealing devices are in the shrinkage state, and send them into the blast hole 17;

[0057] B, push the push device 4, drive the second sealing device 3 to move forward until abutting against the opening device 2, continue to push the push device 4, under the pushing action, the first sealing device 1 gradually opens, when the steel ball 15 reaches the clamping hole position and clamps the clamping hole, at this time, the first sealing device 1 is fully opened and fixed.

[0058] Step three: adjust the grouting length

[0059] A, pull the push device 4, the second sealing device 3 is in the shrinkage state, adjust the distance between the two sealing devices in combination with the positioning direction line 12, until the second sealing device 3 reaches the rear side of a certain positioning hole 9, push the positioning device 10 into the main skeleton 6, and limit and fix the second sealing device 3;

[0060] B, push the push device 4 to open the second sealing device 3;

[0061] Step four: grouting

[0062] A, keep the push state of the push device 4, convey the grouting material into the main skeleton 6, and grout the grouting cavity 7 through the grouting hole 11;

[0063] B, after grouting is completed, remove the pushing force on the push device 4 when the grouting is solidified and fixed;

[0064] Step five: carry out blasting.

[0065] Through the above design, the adjustable grouting hole sealing energy-gathering blasting integrated device can realize controllable length of the sealing and grouting when the energy-gathering pipe 8 is sealed, effectively meets the sealing length requirement of the energy-gathering pipe 8 under different working conditions, and better adapts to engineering needs. The integrated sealing can be completed when the energy-gathering pipe 8 is sealed, the integrated device can be directly sent into the blast hole 17 when the first sealing device 1 and the second sealing device 3 are in the contracted state, and the construction method is simple and efficient. The umbrella-shaped sealing device and the grouting mode are combined to seal, which can effectively enhance the sealing property. The integrated grouting sealing and blasting can save construction procedures, shorten time and make construction more efficient.

Claims

1. An integrated adjustable grouting and hole sealing and shaped charge blasting device, characterized in that, The energy tube (8) and the tubular main framework (6) are arranged in front and back; The main framework (6) is arranged in front and back, and the outer ring is sequentially sleeved with the first and second sealing devices (1 and 3) capable of being opened like an umbrella along the length direction of the main framework (6) in front and back, the openings of the two sealing devices face backward, and the distance between the two sealing devices is adjustable; The main framework (6) between the two sealing devices is provided with a grouting hole (11) penetrating the inside and outside of the main framework (6).

2. The adjustable grouting and sealing and shaped charge integrated device according to claim 1, characterized in that, The opening side of the first sealing device (1) is provided with an opening device (2) capable of opening and fixing the first sealing device (1) in the opened state.

3. The adjustable grouting and sealing and shaped charge integrated device according to claim 2, characterized in that, The fixing mode of the opening device (2) is that the steel ball (15) is clamped and matched with the main framework (6).

4. The adjustable grouting and sealing and shaped charge integrated device according to claim 1, characterized in that, The opening side of the second sealing device (3) is connected with a pushing device (4) capable of pushing the second sealing device (3) to move forward and backward.

5. The adjustable grouting and sealing and shaped charge integrated device according to claim 4, characterized in that, Further comprising a positioning device (10) capable of fixing the position of the second sealing device (3), and the pushing device (4) is arranged to be capable of opening the second sealing device (3) under the cooperation of the positioning device (10).

6. The adjustable grouting and sealing and shaped charge integrated device according to claim 5, characterized in that, The positioning device (10) comprises a body ring capable of sliding in the main framework (6), and a steel block (13) is elastically arranged on the body ring; The main framework (6) is provided with a positioning hole, and the steel block (13) is clamped and matched with the positioning hole.

7. The adjustable grouting and sealing and shaped charge integrated device according to claim 1, characterized in that, The main framework (6) is screw-connected with the energy tube (8).

8. The adjustable grouting and sealing and shaped charge integrated device according to claim 1, characterized in that, The grouting hole (11) is circumferentially provided with a plurality of grouting holes (11) around the main framework (6).

Images