Blast hole positioning device special for tunnel smooth blasting

By designing a blast hole positioning device that includes a base plate, frame, drive assembly, and support assembly, simultaneous marking of blast holes on both sides is achieved, solving the problem that traditional devices need to be marked separately, and improving construction efficiency and stability.

CN223814048UActive Publication Date: 2026-01-20ROAD & BRIDGE INT CO LTD +2
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Patent Information

Application Number
CN202520055072.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-10
Publication Date
2026-01-20
Estimated Expiration
2035-01-10

AI Technical Summary

Technical Problem

Traditional blast hole positioning devices require marking the blast holes on both sides separately, which wastes time and affects construction efficiency.

Method used

A burst hole positioning device was designed, comprising a substrate, first and second frames, a drive assembly, a coding assembly, and a support assembly. Through the coordinated action of a motor and a hydraulic cylinder, simultaneous marking of burst holes on both sides is achieved, and the stability of the device is improved by a lifting wheel assembly.

Benefits of technology

Simultaneous marking of blast holes on both sides was achieved, shortening the marking time, accelerating the construction progress, and improving the operational stability of the device.

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Abstract

The utility model discloses a special blasthole positioning device for tunnel smooth blasting, which comprises a base plate, a first frame is fixedly arranged on the upper surface of the base plate, a second frame is slidably arranged on the first frame along the plumb bob direction, a first driving component is fixedly arranged between the first frame and the second frame, and a second driving component is fixedly arranged between the first driving component and the second frame. A second frame is fixedly arranged on the base plate, two rack plates are slidably arranged in the second frame, the sliding directions of the two rack plates on the second frame are opposite, a second driving assembly is fixedly arranged between the two rack plates and the second frame, a code spraying assembly is fixedly arranged on the second frame, and a supporting assembly is further fixedly arranged at the bottom of the base plate. A second motor is started to drive a rotating shaft and a gear to rotate so as to drive a connecting plate to move, a third motor is started to drive a rotating rod and a code spraying device to rotate to spray codes on the surface of the tunnel, and the effects that the code spraying device can stretch out towards the two sides at the same time and needs to be moved to another position for marking after one position is marked differently are achieved.
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Description

TECHNICAL FIELD

[0001] The application relates to the technical field of tunnel equipment, in particular to a blasting hole positioning device special for tunnel smooth blasting. BACKGROUND

[0002] With the continuous development of traffic infrastructure, a large number of tunnel projects are needed in the construction of roads, railways and the like. In the tunnel construction process, excavation is a key link. The traditional blasting method often causes excessive damage to the surrounding rock of the tunnel, resulting in irregular tunnel contour, serious overbreak and underbreak, and smooth blasting further improves this concept. It is through accurate control of the blasting parameters (such as hole spacing, charge weight, charge structure and initiation sequence) of the surrounding holes to make the rock wall after blasting smooth and smooth, and to minimize the disturbance to the surrounding rock.

[0003] The smooth blasting technology itself is constantly progressing, and the accuracy requirements of the blasting parameters, including the position of the blasting hole, are also constantly improving. The early blasting method is relatively extensive, and the accuracy requirement of the position of the blasting hole is low. However, with the development of smooth blasting theory and practice, people realize that the relative position of different types of holes such as reasonable blasting hole spacing, suitable surrounding holes and slotting holes has a crucial influence on the blasting effect.

[0004] However, most of the traditional blasting hole positioning codes are sprayed by machines, and the equipment needs to be moved to mark the other side after marking one side, which wastes a lot of time.

[0005] Therefore, it is necessary for the inventor to design a new blasting hole positioning device to overcome the above problems. SUMMARY

[0006] The main purpose of the present application is to provide a blasting hole positioning device special for tunnel smooth blasting to solve the problem of long time required for positioning the blasting hole in the related art.

[0007] In order to achieve the above purpose, the present application provides a blasting hole positioning device special for tunnel smooth blasting, comprising a base plate, a first frame is fixedly arranged on the upper surface of the base plate, a second frame is slidably arranged on the first frame in the direction of the plumb line, a first driving assembly is fixedly arranged between the first frame and the second frame, two rack plates are slidably arranged in the second frame, the sliding directions of the two rack plates on the second frame are opposite, a second driving assembly is fixedly arranged between the two rack plates and the second frame, a code spraying assembly is fixedly arranged on the second frame, and a supporting assembly is further fixedly arranged at the bottom of the base plate.

[0008] Optionally, the first driving assembly comprises a first motor fixedly arranged on the first frame, an output end of the first motor is fixedly connected with a threaded column, an outer wall of the threaded column is threadedly connected with a threaded block, and the threaded block is fixedly connected with the second frame.

[0009] Optionally, the second driving assembly comprises a second motor fixedly arranged on the second frame, an output end of the second motor is fixedly connected with a rotating shaft, an outer wall of the rotating shaft is fixedly connected with a gear, an outer wall of the gear is meshingly connected with a rack plate, an outer wall of the rack plate is fixedly connected with a limiting rod, and the limiting rod is slidingly connected with the second frame.

[0010] Optionally, an outer wall of the rack plate is fixedly connected with a connecting plate, and an outer wall of the connecting plate is provided with a code spraying assembly.

[0011] Optionally, the code spraying assembly comprises a third frame, an outer wall of the third frame is fixedly connected to an outer wall of the connecting plate, an inside of the third frame is provided with a third motor, an output end of the third motor is fixedly connected with a rotating rod, an outer wall of the rotating rod is fixedly connected with a code sprayer, and a lower surface of the base plate is provided with a supporting assembly.

[0012] Optionally, the supporting assembly comprises a supporting column, one end of the supporting column is fixedly connected to the lower surface of the base plate, and the other end of the supporting column is fixedly connected with a bottom disc.

[0013] Optionally, the bottom of the base plate is further fixedly provided with a lifting wheel assembly.

[0014] Optionally, the lifting wheel assembly comprises a fixed plate fixedly arranged at the bottom of the base plate, an outer wall of the fixed plate is fixedly connected with a first fixed column, an outer wall of the first fixed column is rotatably connected with a hydraulic cylinder, an output end of the hydraulic cylinder is fixedly connected with a sleeve, an inner wall of the sleeve is rotatably connected with a first supporting rod, an inside of the first supporting rod is rotatably connected with a second fixed column, an outer wall of the second fixed column is fixedly connected to an outer wall of the fixed plate, an inner wall of the first supporting rod is rotatably connected with a second supporting rod, an inner wall of the second supporting rod is rotatably connected with a third supporting rod, an inner wall of the third supporting rod is rotatably connected with a third fixed column, one end of the third fixed column is fixedly connected to the outer wall of the fixed plate, a lower surface of the second supporting rod is fixedly connected with a wheel assembly, and a lower surface of the base plate is fixedly connected with a baffle.

[0015] Optionally, an upper surface of the base plate is provided with a power supply, the upper surface of the base plate is provided with a seat, and the upper surface of the base plate is provided with a center console.

[0016] Compared with the prior art, the tunnel smooth blasting special blasting hole positioning device has the beneficial effects that:

[0017] I. In the utility model, the second motor is started to drive the rotating shaft and the gear to rotate, thereby driving the rack plate and the limiting rod to move, and driving the connecting plate to move, the third motor is started to drive the rotating rod and the code sprayer to rotate, and the code sprayer is used to spray codes on the surface of the tunnel, so that the effect that the codes can be sprayed on both sides at the same time and the different codes need to be moved to another position for marking can be achieved.

[0018] II. In the utility model, the hydraulic cylinder is started to drive the sleeve to move, thereby driving the first supporting rod to rotate, the first supporting rod is driven to move by the second supporting rod, the second supporting rod drives the third supporting rod to move, so that the second supporting rod also rotates, the second supporting rod drives the wheel assembly to rotate, thereby lifting the wheel assembly, when working, the wheels are retracted and supported by the supporting column and the bottom plate, so that the effect that the overall device is more stable during working can be achieved. BRIEF DESCRIPTION OF DRAWINGS

[0019] The drawings constituting a part of the present application are used to provide a further understanding of the present application, so that other features, objects and advantages of the present application become more apparent. The illustrative embodiment drawings of the present application and the description thereof are used to explain the present application, and do not constitute an improper limitation on the present application. In the drawings:

[0020] Fig. 1 is a perspective view of a blasting hole positioning device special for tunnel smooth blasting provided by the utility model;

[0021] Fig. 2 is a second frame internal mechanism sectional view schematic diagram of a blasting hole positioning device special for tunnel smooth blasting provided by the utility model;

[0022] Fig. 3 is a bottom partial structure schematic diagram of a blasting hole positioning device special for tunnel smooth blasting provided by the utility model;

[0023] Fig. 4 is an adjusting wheel partial structure schematic diagram of a blasting hole positioning device special for tunnel smooth blasting provided by the utility model.

[0024] 1, base plate; 2, first frame; 3, first motor; 4, threaded column; 5, threaded block; 6, second frame; 7, second motor; 8, rotating shaft; 9, gear; 10, rack plate; 11, limiting rod; 12, connecting plate; 13, third frame; 14, third motor; 15, rotating rod; 16, code sprayer; 17, supporting column; 18, bottom plate; 19, fixed plate; 20, first fixed column; 21, hydraulic cylinder; 22, sleeve; 23, first supporting rod; 24, second fixed column; 25, second supporting rod; 26, third supporting rod; 27, third fixed column; 28, wheel assembly; 29, baffle; 30, power supply; 31, seat; 32, center console. DETAILED DESCRIPTION

[0025] In order to better understand the technical scheme of the present application, the technical scheme in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work should fall within the scope of protection of the present application.

[0026] It should be noted that the terms "first", "second" and the like in the specification of the present application and the above drawings are used to distinguish similar objects, and do not necessarily indicate a specific order or sequence. It should be understood that the data thus used can be interchanged under appropriate circumstances, so that the embodiments of the present application described herein can be implemented. In addition, the terms "comprise" and "have" and any variations thereof are intended to cover non-exclusive inclusion, for example, a process, method, system, product or device comprising a series of steps or units does not necessarily limit to those clearly listed steps or units, but can include other steps or units not clearly listed or inherent to these processes, methods, products or devices.

[0027] In the present application, the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. These terms are mainly used to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation.

[0028] In addition, in addition to indicating the orientation or positional relationship, the above-mentioned part of the terms can also be used to indicate other meanings, for example, the term "upper" can also be used to indicate a certain dependent relationship or connection relationship in some cases. For those skilled in the art, the specific meaning of these terms in the present application can be understood according to the specific circumstances.

[0029] In addition, the meaning of the term "a plurality of" should be two and more than two.

[0030] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The present application will be described in detail below with reference to the drawings and in conjunction with the embodiments.

[0031] As Figs. 1 to 4As shown, a kind of tunnel smooth blasting special blast hole positioning device, including base plate 1, the upper surface of the base plate 1 is fixedly provided with first frame 2, the first frame 2 is slidably provided with second frame 6 along plumb direction, first drive assembly is fixedly arranged between the first frame 2 and the second frame 6, two rack plates 10 are slidably arranged in the second frame 6, the sliding direction of two rack plates 10 on the second frame 6 is opposite, second drive assembly is fixedly arranged between two rack plates 10 and the second frame 6, code spraying assembly is fixedly arranged on the second frame 6, the bottom of the base plate 1 is also fixedly provided with support assembly.The first drive assembly includes first motor 3, the first motor 3 is fixedly provided on the first frame 2, the output end of the first motor 3 is fixedly connected with threaded column 4, the outer wall of the threaded column 4 is threadedly connected with threaded block 5, and the threaded block 5 is fixedly connected with the second frame 6.The second drive assembly includes second motor 7, the second motor 7 is fixedly provided on the second frame 6, the output end of the second motor 7 is fixedly connected with rotating shaft 8, the outer wall of the rotating shaft 8 is fixedly connected with gear 9, the outer wall of the gear 9 is meshingly connected with rack plate 10, the outer wall of the rack plate 10 is fixedly connected with limit rod 11, and the limit rod 11 is slidably connected with the second frame 6.The outer wall of the rack plate 10 is fixedly connected with connecting plate 12, and the outer wall of the connecting plate 12 is provided with code spraying assembly.The code spraying assembly includes third frame 13, the outer wall of the third frame 13 is fixedly connected to the outer wall of connecting plate 12, the inside of the third frame 13 is provided with third motor 14, the output end of the third motor 14 is fixedly connected with rotating rod 15, the outer wall of the rotating rod 15 is fixedly connected with code sprayer 16, and the lower surface of the base plate 1 is provided with support assembly.

[0032] Specifically, the second motor 7 is started to drive the rotating shaft 8 to rotate, so that the gear 9 rotates, the rack plate 10 moves, the limit rod 11 moves, the connecting plate 12 moves, and the effect that different marks can be marked at one place and then moved to another place for marking is achieved.The third motor 14 is started to drive the rotating rod 15 to rotate, so that the code sprayer 16 rotates, and then the code sprayer 16 sprays code on the surface of the tunnel, so that the effect of marking the blasting position of the tunnel by code is achieved.

[0033] The support assembly includes support column 17, one end of the support column 17 is fixedly connected to the lower surface of the base plate 1, and the other end of the support column 17 is fixedly connected with bottom disc 18.Specifically, the support column 17 and the bottom disc 18 support the base plate 1.

[0034] The bottom of the base plate 1 is also fixedly provided with a lifting wheel assembly. The lifting wheel assembly comprises a fixed plate 19 fixedly arranged at the bottom of the base plate 1, an outer wall of the fixed plate 19 is fixedly connected with a first fixed column 20, an outer wall of the first fixed column 20 is rotatably connected with a hydraulic cylinder 21, an output end of the hydraulic cylinder 21 is fixedly connected with a sleeve 22, an inner wall of the sleeve 22 is rotatably connected with a first supporting rod 23, the inside of the first supporting rod 23 is rotatably connected with a second fixed column 24, an outer wall of the second fixed column 24 is fixedly connected with the outer wall of the fixed plate 19, an inner wall of the first supporting rod 23 is rotatably connected with a second supporting rod 25, an inner wall of the second supporting rod 25 is rotatably connected with a third supporting rod 26, an inner wall of the third supporting rod 26 is rotatably connected with a third fixed column 27, one end of the third fixed column 27 is fixedly connected with the outer wall of the fixed plate 19, a lower surface of the second supporting rod 25 is fixedly connected with a wheel assembly 28, and a lower surface of the base plate 1 is fixedly connected with a baffle 29.

[0035] Specifically, the hydraulic cylinder 21 pulls the sleeve 22 to move, so as to drive the first supporting rod 23 to rotate, the first supporting rod 23 pulls the second supporting rod 25 to move, the second supporting rod 25 drives the third supporting rod 26 to move, so that the second supporting rod 25 also rotates, the second supporting rod 25 drives the wheel assembly 28 to rotate, so as to lift the wheel assembly 28, when working, the wheels are retracted and supported by the supporting column 17 and the chassis 18, so that the whole device is more stable when working.

[0036] The upper surface of the base plate 1 is provided with a power supply 30, the upper surface of the base plate 1 is provided with a seat 31, and the upper surface of the base plate 1 is provided with a center console 32.

[0037] Specifically, the worker sits on the seat 31, uses the center console 32 to control the power supply 30 to drive the wheel assembly 28 to move to a suitable position, so as to facilitate the control of the overall operation.

[0038] Working principle: when the device needs to be used, first of all, the worker sits in the seat 31, uses the central control console 32 to control the power supply 30 to drive the wheel assembly 28 to move to the appropriate position, then starts the hydraulic cylinder 21 through the central control console 32, the hydraulic cylinder 21 pulls the sleeve 22 to move, the sleeve 22 moves to drive the first supporting rod 23 to rotate through the second fixed column 24, when the first supporting rod 23 rotates, it will pull the second supporting rod 25 to move and also drive the hydraulic cylinder 21 to rotate through the first fixed column 20, the second supporting rod 25 moves to drive the third supporting rod 26 to rotate through the third fixed column 27, so that the second supporting rod 25 also rotates, the second supporting rod 25 rotates to drive the wheel assembly 28 to rotate, so as to lift the wheel assembly 28 to the middle of the fixed plate 19 and the baffle 29, when the wheel assembly 28 is retracted, the supporting column 17 contacts the ground at this time, the chassis 18 supports the base plate 1, achieves the effect that when working, the wheels are retracted, supported by the supporting column 17 and the chassis 18, the whole device is more stable when working, after the supporting column 17 and the chassis 18 support the base plate 1, the first motor 3 is started through the central control console 32, the first motor 3 drives the threaded column 4 to rotate, the threaded column 4 rotates to drive the threaded block 5 to move inside the first frame 2, the first frame 2 moves to drive the second frame 6 to move, when rising to the appropriate height, the second motor 7 is started, the second motor 7 drives the rotating shaft 8 to rotate, the rotating shaft 8 rotates to drive the gear 9 to rotate, the gear 9 rotates to drive the rack plate 10 to move, the rack plate 10 moves to drive the limiting rod 11 to move inside the second frame 6, the limiting rod 11 ensures the direction of the rack plate 10 to move, so as to drive the connecting plate 12 to move, the third motor 14 in the third frame 13 is started, the third motor 14 drives the rotating rod 15 to rotate, the rotating rod 15 drives the code printer 16 to rotate, and the code printer 16 marks the surface of the tunnel, achieving the effect that the marking work of both sides can be completed at one time, greatly shortening the marking time and speeding up the construction progress, that is, the device not only achieves the effect that when working, the wheels are retracted, supported by the chassis 18 and the fixed plate 19, the whole device is more stable when working, but also achieves the effect that the marking work of both sides can be completed at one time, greatly shortening the marking time and speeding up the construction progress.

[0039] The above only describes the preferred embodiments of the present application and is not used to limit the present application. Those skilled in the art can make various changes and modifications to the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A device for locating blastholes for tunnel smooth blasting, characterized in that: The utility model provides a kind of ink-jet printer, including substrate (1), the upper surface of substrate (1) is fixedly provided with first frame (2), the second frame (6) is slidably arranged on the first frame (2) along plumb direction, first drive assembly is fixedly arranged between the first frame (2) and the second frame (6), two rack plates (10) are slidably arranged in the second frame (6), the sliding direction of two rack plates (10) on the second frame (6) is opposite, second drive assembly is fixedly arranged between two rack plates (10) and the second frame (6), code spraying assembly is fixedly arranged on the second frame (6), the bottom of substrate (1) is also fixedly provided with support assembly.

2. A device for positioning blast holes for tunnel smooth blasting according to claim 1, characterized in that: The first drive assembly includes a first motor (3), which is fixedly arranged on the first frame (2). The output end of the first motor (3) is fixedly connected with a threaded column (4). The outer wall of the threaded column (4) is threadedly connected with a threaded block (5). The threaded block (5) is fixedly connected with the second frame (6).

3. A device for positioning blast holes for tunnel smooth blasting according to claim 1, characterized in that: The second drive assembly includes a second motor (7), which is fixedly arranged on the second frame (6). The output end of the second motor (7) is fixedly connected with a rotating shaft (8). The outer wall of the rotating shaft (8) is fixedly connected with a gear (9). The outer wall of the gear (9) is meshingly connected with a rack plate (10). The outer wall of the rack plate (10) is fixedly connected with a limiting rod (11). The limiting rod (11) is slidably connected with the second frame (6).

4. A bore positioning device for use in the construction of a tunnel, according to claim 3, wherein: The outer wall of the rack plate (10) is fixedly connected with a connecting plate (12). The outer wall of the connecting plate (12) is provided with a code spraying assembly.

5. A device for positioning blast holes for tunnel smooth blasting according to claim 1, characterized in that: The code spraying assembly includes a third frame (13), which is fixedly connected to the outer wall of the connecting plate (12). The inside of the third frame (13) is provided with a third motor (14). The output end of the third motor (14) is fixedly connected with a rotating rod (15). The outer wall of the rotating rod (15) is fixedly connected with a code sprayer (16). The lower surface of the substrate (1) is provided with a support assembly.

6. A bore positioning device for use in the preparation of a tunnel smooth blasting hole according to claim 5, characterised in that: The support assembly includes a support column (17), one end of which is fixedly connected to the lower surface of the substrate (1). The other end of the support column (17) is fixedly connected with a bottom disc (18).

7. A device for positioning blast holes for tunnel smooth blasting according to claim 1, characterized in that: The bottom of the substrate (1) is also fixedly provided with a lifting wheel assembly.

8. A bore positioning device for use in the construction of a tunnel, according to claim 7, wherein: The lifting wheel assembly comprises a fixed plate (19) fixedly arranged at the bottom of the base plate (1), an outer wall of the fixed plate (19) is fixedly connected with a first fixed column (20), an outer wall of the first fixed column (20) is rotatably connected with a hydraulic cylinder (21), an output end of the hydraulic cylinder (21) is fixedly connected with a sleeve (22), an inner wall of the sleeve (22) is rotatably connected with a first supporting rod (23), the inside of the first supporting rod (23) is rotatably connected with a second fixed column (24), an outer wall of the second fixed column (24) is fixedly connected with the outer wall of the fixed plate (19), an inner wall of the first supporting rod (23) is rotatably connected with a second supporting rod (25), an inner wall of the second supporting rod (25) is rotatably connected with a third supporting rod (26), an inner wall of the third supporting rod (26) is rotatably connected with a third fixed column (27), one end of the third fixed column (27) is fixedly connected with the outer wall of the fixed plate (19), a lower surface of the second supporting rod (25) is fixedly connected with a wheel assembly (28), and a lower surface of the base plate (1) is fixedly connected with a baffle (29).

9. A device for positioning blast holes for tunnel smooth blasting according to claim 1, characterized in that: The upper surface of the base plate (1) is provided with a power supply (30), the upper surface of the base plate (1) is provided with a seat (31), and the upper surface of the base plate (1) is provided with a center console (32).