Pipe clamping prevention hole aligning device for tunnel drilling and blasting method construction and charging trolley

Abstract

The utility model discloses an anti-pipe-clamping hole aligning device for tunnel drilling and blasting method construction and a charging trolley. The anti-pipe-clamping hole aligning device comprises an explosive feeding hose, a swing mechanism for driving the explosive feeding hose to bend, a guide mechanism for guiding the explosive feeding hose to enter a blast hole and a pipe shaking mechanism for driving the guide mechanism to vibrate. The swinging mechanism drives the explosive feeding hose to swing by 90 degrees, and the pipe shaking mechanism drives the explosive feeding hose to vibrate at high frequency through the guide mechanism, so that the problem that the explosive feeding hose is blocked in a blast hole can be effectively solved, continuous transportation of the explosive feeding hose in the blast hole is realized, and the explosive charging efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of explosive charging trolleys for blasting engineering, and in particular, to an anti-stuck pipe alignment device for tunnel drilling and blasting construction. In addition, the utility model also relates to an explosive charging trolley comprising the anti-stuck pipe alignment device for tunnel drilling and blasting construction. Background Art

[0002] In mining, tunneling and tunnel engineering, etc., the drilling and blasting method is the main method. Currently, charging vehicles are used to replace manual charging and blasting operations. The basic principle is to use the telescopic working arm of the charging trolley to move the hole-matching device with a drug delivery hose to the vicinity of the blast hole marked on the face, and then extend the drug delivery hose into the bottom of the blast hole through the hole-matching device to load the emulsion explosive. After the drug delivery is completed, the hole-matching device will pull out the drug delivery hose.

[0003] For example, the hole alignment device and charging vehicle for a charging vehicle disclosed in Chinese patent CN219640817U are driven by a multi-stage oil cylinder, and the cumulative error will cause the swing angle to be difficult to accurately control; and the drug delivery hose is inserted into the blast hole to a maximum depth of 40m, and the drug delivery hose is prone to getting stuck during the process of being inserted into the blast hole, affecting the charging efficiency. Utility Model Content

[0004] The utility model provides a pipe-stuck prevention hole alignment device and a charge trolley for tunnel drilling and blasting construction, so as to solve the technical problem that the pipe is easily stuck when the charge delivery hose of the existing hole alignment device is extended into the blast hole.

[0005] According to one aspect of the utility model, there is provided an anti-stuck pipe alignment device for tunnel drilling and blasting construction, comprising a medicine delivery hose, a swing mechanism for driving the medicine delivery hose to bend, a guide mechanism for guiding the medicine delivery hose into the blast hole, and a pipe shaking mechanism for driving the guide mechanism to vibrate.

[0006] Further, the swing mechanism includes a rear seat, a linear drive assembly, a connecting rod assembly, a guide plate and a front seat, the rear seat is provided with a first hinge point, a second hinge point and a third hinge point, the front seat is provided with a fourth hinge point and a fifth hinge point, the guide plate is provided with a sixth hinge point, a seventh hinge point and an eighth hinge point, the first end of the linear drive assembly is hinged to the first hinge point, the second end is hinged to the middle position of the connecting rod assembly, the two ends of the connecting rod assembly are respectively hinged to the second hinge point and the fourth hinge point, the guide plate is provided with a plurality of hinges between the rear seat and the front seat, the sixth hinge point of one guide plate is hinged to the seventh hinge point of another guide plate, the third hinge point is hinged to the adjacent sixth hinge point, the fifth hinge point is hinged to the adjacent seventh hinge point, and the eighth hinge point is hinged to the connecting rod assembly.

[0007] Further, the connecting rod assembly includes a first connecting rod, a second connecting rod and a third connecting rod, the middle part of the first connecting rod, the eighth hinge point, the first end of the second connecting rod, and the second end of the third connecting rod are hinged through a pin shaft, the first end of the first connecting rod is hinged to the second end of the second connecting rod, the second end of the first connecting rod is hinged to the first end of the third connecting rod, the second hinge point is hinged to the first end of the second connecting rod adjacent to it, and the fourth hinge point is hinged to the second end of the third connecting rod adjacent to it.

[0008] Furthermore, the guide plate is provided with a roller which is rollingly connected to the medicine delivery hose, and the roller is provided with an arc groove which is adapted to the outer diameter of the medicine delivery hose. A plurality of the rollers are symmetrically arranged on both sides of the medicine delivery hose to limit the radial position of the medicine delivery hose.

[0009] Furthermore, the guide mechanism includes a mounting plate arranged on the front seat, a guide nozzle bracket arranged on the mounting plate, a clamp arranged on the guide nozzle bracket, and a guide nozzle fixed by the clamp for guiding the drug delivery hose into the blast hole.

[0010] Furthermore, a conical guide section for extending into the blast hole is arranged on the guide mouth.

[0011] Furthermore, an abutment plate for limiting the length of the guide nozzle extending into the blast hole is arranged on the guide nozzle bracket.

[0012] Furthermore, the tube shaking mechanism includes a motor arranged on the mounting plate, a rocker arm arranged on the motor output shaft and a bearing arranged on the guide nozzle bracket, the bearing includes an eccentric inner ring, and the rocker arm is connected to the eccentric inner ring.

[0013] Furthermore, the anti-stuck pipe hole alignment device for tunnel drilling and blasting construction also includes a slewing bearing for driving the swing mechanism to rotate.

[0014] According to another aspect of the utility model, a charging trolley is also provided, which includes the above-mentioned anti-stuck pipe hole alignment device for tunnel drilling and blasting construction.

[0015] The utility model has the following beneficial effects:

[0016] The utility model discloses an anti-stuck pipe alignment device for tunnel drilling and blasting construction. The swing mechanism can drive the medicine delivery hose to swing 90 degrees. The pipe shaking mechanism can drive the medicine delivery hose to vibrate at high frequency through the guide mechanism. The problem of the medicine delivery hose being stuck in the blast hole is effectively solved. The continuous transportation of the medicine delivery hose in the blast hole is realized, and the charging efficiency is improved.

[0017] In addition to the above-described purposes, features and advantages, the present invention has other purposes, features and advantages. The present invention will be further described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The drawings constituting a part of this application are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0019] Figure 1 This is a front view of an anti-stuck pipe alignment device for tunnel drilling and blasting construction according to a preferred embodiment of the utility model;

[0020] Figure 2 It is a top view of an anti-stuck pipe alignment device for tunnel drilling and blasting construction according to a preferred embodiment of the utility model;

[0021] Figure 3 It is a structural schematic diagram of the swing mechanism of the preferred embodiment of the utility model;

[0022] Figure 4 It is a right view of the anti-stuck pipe alignment device for tunnel drilling and blasting construction according to the preferred embodiment of the utility model;

[0023] Figure 5 It is a structural schematic diagram of the guide mechanism of the preferred embodiment of the utility model;

[0024] Figure 6 This is a schematic diagram of the structure of the pipe shaking mechanism of the preferred embodiment of the utility model;

[0025] Figure 7 It is a schematic diagram of the bending range of an anti-stuck pipe alignment device for tunnel drilling and blasting construction according to a preferred embodiment of the utility model.

[0026] Legend:

[0027] 1. Medicine delivery hose; 2. Swinging mechanism; 21. Rear seat; 211. First hinge point; 212. Second hinge point; 213. Third hinge point; 22. Linear drive assembly; 23. Connecting rod assembly; 231. First connecting rod; 232. Second connecting rod; 233. Third connecting rod; 24. Guide plate; 241. Sixth hinge point; 242. Seventh hinge point; 243. Eighth hinge point; 25. Roller; 26. Front seat; 261. Fourth hinge point; 262. Fifth hinge point; 3. Guide mechanism; 31. Mounting plate; 32. Guide nozzle bracket; 321. Abutment plate; 33. Clamp; 34. Guide nozzle; 341. Conical guide section; 4. Shaking tube mechanism; 41. Motor; 42. Rocker; 43. Bearing; 5. Slewing bearing. DETAILED DESCRIPTION

[0028] The embodiments of the present invention are described in detail below in conjunction with the accompanying drawings. However, the present invention can be implemented in a variety of different ways as defined and covered below.

[0029] Please also read Figures 1 to 7 The anti-stuck pipe alignment device for tunnel drilling and blasting construction of this embodiment includes a medicine delivery hose 1, a swing mechanism 2 for driving the medicine delivery hose 1 to bend, a guide mechanism 3 for guiding the medicine delivery hose 1 to enter the blast hole, and a pipe shaking mechanism 4 for driving the guide mechanism 3 to vibrate.

[0030] In the anti-stuck pipe alignment device for tunnel drilling and blasting construction of this embodiment, the swing mechanism 2 can drive the medicine delivery hose 1 to swing 90°, and the pipe shaking mechanism 4 can drive the medicine delivery hose 1 to vibrate at high frequency through the guide mechanism 3, which can effectively solve the problem of the medicine delivery hose 1 getting stuck in the blast hole, realize the continuous transportation of the medicine delivery hose 1 in the blast hole, and improve the charging efficiency.

[0031] In this embodiment, the swing mechanism 2 includes a rear seat 21, a linear drive assembly 22, a connecting rod assembly 23, a guide plate 24 and a front seat 26. The rear seat 21 is provided with a first hinge point 211, a second hinge point 212 and a third hinge point 213, the front seat 26 is provided with a fourth hinge point 261 and a fifth hinge point 262, the guide plate 24 is provided with a sixth hinge point 241, a seventh hinge point 242 and an eighth hinge point 243, the first end of the linear drive assembly 22 is hinged to the first hinge point 211, the second end is hinged to the middle position of the connecting rod assembly 23, and the two ends of the connecting rod assembly 23 are respectively ... The second hinge point 212 and the fourth hinge point 261 are hinged, and multiple guide plates 24 are arranged between the rear seat 21 and the front seat 26. The sixth hinge point 241 of one guide plate 24 is hinged with the seventh hinge point 242 of another guide plate 24, the third hinge point 213 is hinged with the adjacent sixth hinge point 241, the fifth hinge point 262 is hinged with the adjacent seventh hinge point 242, and the eighth hinge point 243 is hinged with the connecting rod assembly 23; a single linear drive assembly 22 is used to drive and realize 90° swing, which has a simple structure, is easy to maintain, can reduce cumulative errors, and enables the swing angle to be precisely controlled. Optionally, the linear drive assembly 22 is a gear rack assembly driven by an oil cylinder, a cylinder or a motor.

[0032] In this embodiment, the connecting rod assembly 23 includes a first connecting rod 231, a second connecting rod 232 and a third connecting rod 233. The middle part of the first connecting rod 231, the eighth hinge point 243, the first end of the second connecting rod 232 and the second end of the third connecting rod 233 are hinged through a pin shaft. The first end of the first connecting rod 231 is hinged to the second end of the second connecting rod 232, the second end of the first connecting rod 231 is hinged to the first end of the third connecting rod 233, the second hinge point 212 is hinged to the first end of the adjacent second connecting rod 232, and the fourth hinge point 261 is hinged to the second end of the adjacent third connecting rod 233. The structure is reasonable. The guide plate 24 is used to replace part of the connecting rod structure, which can reduce the blocking of the connecting rod assembly 23 and improve the operational reliability.

[0033] In this embodiment, a roller 25 which is rollingly connected to the medicine delivery hose 1 is arranged on the guide plate 24, and an arc groove which is adapted to the outer diameter of the medicine delivery hose 1 is arranged on the roller 25. A plurality of rollers 25 are symmetrically arranged on both sides of the medicine delivery hose 1 to limit the radial position of the medicine delivery hose 1; this allows the bending part of the medicine delivery hose 1 to have a smooth transition, thereby reducing the wear of the medicine delivery hose 1 and increasing the service life of the medicine delivery hose 1.

[0034] In this embodiment, the guide mechanism 3 includes a mounting plate 31 arranged on the front seat 26, a guide nozzle bracket 32 ​​arranged on the mounting plate 31, a clamp 33 arranged on the guide nozzle bracket 32, and a guide nozzle 34 fixed by the clamp 33 for guiding the medicine delivery hose 1 into the blast hole; the guide nozzle 34 is positioned by two clamps 33, one end of the guide nozzle bracket 32 ​​is connected to the mounting plate 31, and the other end is connected to the shaking tube mechanism 4. The shaking tube mechanism 4 drives the medicine delivery hose 1 to vibrate through the guide nozzle 34, which can solve the problem of the medicine delivery hose 1 getting stuck in the blast hole, ensure the continuous transportation of the medicine delivery hose 1 in the blast hole, and improve the reliability of charging.

[0035] In this embodiment, a conical guide section 341 for inserting into the blast hole is arranged on the guide nozzle 34, which can guide the medicine delivery hose 1 to smoothly insert into the blast hole, thereby improving the construction efficiency.

[0036] In this embodiment, an abutment plate 321 is arranged on the guide nozzle bracket 32 ​​to limit the length of the guide nozzle 34 extending into the blast hole. The abutment plate 321 abuts against the tunnel face to prevent the clamp 33 from being squeezed against the tunnel face and causing the guide nozzle 34 to loosen.

[0037] In this embodiment, the tube shaking mechanism 4 includes a motor 41 arranged on the mounting plate 31, a rocker arm 42 arranged on the output shaft of the motor 41, and a bearing 43 arranged on the guide nozzle bracket 32. The bearing 43 includes an outer ring and an eccentric inner ring. The outer ring is arranged on the abutment plate 321, and the rocker arm 42 is connected to the eccentric inner ring. The bearing 43 is eccentrically connected to the rocker arm 42, so that the driving force of the motor 41 is transmitted to the guide nozzle bracket 32 ​​through the rocker arm 42, thereby driving the guide mechanism 3 to achieve a predetermined frequency of shaking; when the output shaft of the motor 41 is vertically installed with the guide nozzle 34, the tube shaking mechanism 4 drives the medicine delivery hose 1 to vibrate perpendicular to the radial plane of the guide nozzle 34; when the output shaft of the motor 41 is horizontally installed with the guide nozzle 34, the tube shaking mechanism 4 drives the medicine delivery hose 1 to vibrate in the radial plane of the guide nozzle 34; by adjusting the installation posture of the motor 41, the anti-stuck tube device can be realized in all directions and at all angles.

[0038] In this embodiment, the anti-stuck pipe hole alignment device used for tunnel drilling and blasting construction also includes a slewing bearing 5 for driving the swing mechanism 2 to rotate. The slewing bearing 5 can rotate 360°, thereby driving the entire anti-stuck pipe hole alignment device to achieve all-round hole alignment on the tunnel face.

[0039] A charging trolley includes the above-mentioned anti-stuck pipe alignment device for tunnel drilling and blasting construction. The medicine delivery hose 1 can realize 90° swing and 360° rotation under the action of the swing mechanism 2 of the slewing bearing 5. The pipe shaking mechanism 4 can drive the medicine delivery hose 1 to vibrate at high frequency, which can prevent the medicine delivery hose 1 from getting stuck in the blast hole, realize all-round alignment of the face and continuous transportation of the medicine delivery hose 1 in the blast hole, and improve the charging efficiency.

[0040] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. An anti-stuck pipe alignment device for tunnel drilling and blasting construction, characterized in that: It comprises a medicine delivery hose (1), a swing mechanism (2) for driving the medicine delivery hose (1) to bend, a guide mechanism (3) for guiding the medicine delivery hose (1) to enter a blast hole, and a tube shaking mechanism (4) for driving the guide mechanism (3) to vibrate.

2. The anti-stuck pipe alignment device for tunnel drilling and blasting construction according to claim 1 is characterized in that: The swing mechanism (2) comprises a rear seat (21), a linear drive assembly (22), a connecting rod assembly (23), a guide plate (24) and a front seat (26). The rear seat (21) is provided with a first hinge point (211), a second hinge point (212) and a third hinge point (213), the front seat (26) is provided with a fourth hinge point (261) and a fifth hinge point (262), the guide plate (24) is provided with a sixth hinge point (241), a seventh hinge point (242) and an eighth hinge point (243), The first end of the linear drive assembly (22) is hinged to the first hinge point (211), and the second end is hinged to the middle position of the connecting rod assembly (23). The two ends of the connecting rod assembly (23) are respectively hinged to the second hinge point (212) and the fourth hinge point (261), A plurality of guide plates (24) are arranged between the rear seat (21) and the front seat (26), the sixth hinge point (241) of one guide plate (24) is hinged to the seventh hinge point (242) of another guide plate (24), the third hinge point (213) is hinged to the adjacent sixth hinge point (241), the fifth hinge point (262) is hinged to the adjacent seventh hinge point (242), The eighth hinge point (243) is hinged to the connecting rod assembly (23).

3. The anti-stuck pipe alignment device for tunnel drilling and blasting construction according to claim 2 is characterized in that: The connecting rod assembly (23) comprises a first connecting rod (231), a second connecting rod (232) and a third connecting rod (233), wherein the middle portion of the first connecting rod (231), the eighth hinge point (243), the first end of the second connecting rod (232) and the second end of the third connecting rod (233) are hingedly connected via a pin shaft. The first end of the first connecting rod (231) is hinged to the second end of the second connecting rod (232), and the second end of the first connecting rod (231) is hinged to the first end of the third connecting rod (233). The second hinge point (212) is hinged to the first end of the adjacent second connecting rod (232), and the fourth hinge point (261) is hinged to the second end of the adjacent third connecting rod (233).

4. The anti-stuck pipe alignment device for tunnel drilling and blasting construction according to claim 2 or 3, characterized in that: The guide plate (24) is provided with a roller (25) which is rollingly connected to the medicine delivery hose (1); the roller (25) is provided with an arc groove which is adapted to the outer diameter of the medicine delivery hose (1); a plurality of the rollers (25) are symmetrically arranged on both sides of the medicine delivery hose (1) to limit the radial position of the medicine delivery hose (1).

5. The anti-stuck pipe alignment device for tunnel drilling and blasting construction according to claim 4 is characterized in that: The guide mechanism (3) comprises a mounting plate (31) arranged on the front seat (26), a A guide nozzle bracket (32) on the guide nozzle bracket (31), a clamp (33) arranged on the guide nozzle bracket (32), and a guide nozzle (34) fixed by the clamp (33) for guiding the drug delivery hose (1) into the blast hole.

6. The anti-stuck pipe alignment device for tunnel drilling and blasting construction according to claim 5, characterized in that: The guide mouth (34) is provided with a conical guide section (341) for extending into the blast hole.

7. The anti-stuck pipe alignment device for tunnel drilling and blasting construction according to claim 5, characterized in that: The guide nozzle bracket (32) is provided with an abutment plate (321) for limiting the length of the guide nozzle (34) extending into the blast hole.

8. The anti-stuck pipe alignment device for tunnel drilling and blasting construction according to claim 5, characterized in that: The tube shaking mechanism (4) comprises a motor (41) arranged on the mounting plate (31), a rocker arm (42) arranged on the output shaft of the motor (41), and a bearing (43) arranged on the guide nozzle bracket (32); the bearing (43) comprises an eccentric inner ring, and the rocker arm (42) is connected to the eccentric inner ring.

9. The anti-stuck pipe alignment device for tunnel drilling and blasting construction according to claim 1, characterized in that: It also includes a slewing bearing (5) for driving the swing mechanism (2) to rotate.

10. A charging trolley, characterized in that: The invention comprises the anti-stuck pipe alignment device for tunnel drilling and blasting construction as described in any one of claims 1 to 9.

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