CN216690959U

CN216690959U - Adjustable control device for side wall light explosion hole drilling

Info

Publication number: CN216690959U
Application number: CN202122463172.0U
Authority: CN
Inventors: 刘武超; 赵生财; 叶小川
Original assignee: Sinohydro Bureau 12 Co Ltd
Current assignee: Sinohydro Bureau 12 Co Ltd
Priority date: 2021-10-13
Filing date: 2021-10-13
Publication date: 2022-06-07
Anticipated expiration: 2031-10-13

Abstract

The utility model discloses an adjustable control device for side wall light explosion hole drilling, which comprises an operation platform, a supporting mechanism and a guiding mechanism, wherein the supporting mechanism is fixed on two sides of the operation platform, the guiding mechanism is fixedly connected on the operation platform, the guiding mechanism comprises a supporting rod, a standard pipe and a guiding pipe, the standard pipe is connected at two ends of the supporting rod, and a plurality of guiding pipes are uniformly distributed on the supporting rod between the two standard pipes. This device simple structure, simple to operate, safe and reliable have guaranteed the side wall light explosion quality of digging, according to blasting design parameter, drilling depth etc. in the actual work progress, adjust the size of each structure of this device, and the range of application is wide, has improved the efficiency of construction.

Description

Adjustable control device for side wall light explosion hole drilling

Technical Field

The utility model relates to the technical field of smooth blasting facilities, in particular to an adjustable control device for drilling of a side wall smooth blasting hole.

Background

Three large caverns such as underground powerhouse, main transformer cavern and tail gate cavern of domestic pumped storage power station all adopt the layering excavation, and excavation below the II th floor all adopts the construction method of smooth blasting, and smooth blasting quality mainly depends on the construction of drilling and two processes of powder charge. The conventional side wall light explosion hole adopts a horizontal hole or a vertical hole, and the conventional construction method of the vertical hole is to adopt a steel pipe with the diameter of 48mm to set up a bent, and one section is set up at each construction section. However, the set-up precision of the bent is difficult to control, the set-up is complex, the distance and the drilling direction are determined by measuring personnel with over-hard technology and advanced measuring instruments with excellent performance, the construction procedure is complex, and the construction time of the drilling procedure is influenced. And the quality of the light blasting hole drilling is greatly influenced by the erection precision of the bent frames, and the control of the construction quality of the smooth blasting excavation of the side wall is not facilitated.

And the construction of three large cavern excavations such as some pumped storage power station underground powerhouse is higher to the quality requirement, requires: (1) the residual blast hole traces are uniformly distributed on the excavation contour surface; (2) preservation rate of blast hole traces: rock mass with non-developed half-porosity joint fissure: more than 90 percent; rock mass developed by half-porosity joint fissure: is more than 60 percent; rock mass with half-porosity joint fissure development: is more than 20 percent; (3) the maximum outward inclination value of the step between two adjacent cannons is not more than 15 cm; (4) the residual traces of each blast hole are on a straight line, and the final holes of each blast hole are on the same pile number.

Therefore, the existing drilling control technology for the side wall smooth blasting hole cannot meet the construction of side wall smooth blasting excavation of three large caverns such as a pumped storage power station underground workshop and the like with higher quality requirements.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problems and provides the adjustable control device for the smooth blasting hole drilling, which is convenient to install, safe and reliable and ensures the smooth blasting excavation quality of the side wall.

The utility model provides a side wall light explosion hole creeps into adjustable controlling means, includes operation platform, supporting mechanism and guiding mechanism, and supporting mechanism fixes in operation platform's both sides, and guiding mechanism fixed connection is on operation platform, and guiding mechanism includes bracing piece, standard pipe and stand pipe, and the standard union coupling is at the both ends of bracing piece, and a plurality of stand pipe evenly distributed is on the bracing piece between two standard pipes. The drill rod passes through the guide pipe and drills along the guide direction.

The further technical scheme is as follows: the two supporting rods are arranged and are parallel up and down.

The further technical scheme is as follows: the standard pipe is connected to the supporting rods through the fixing sleeve and the telescopic pipes, the two ends of the two supporting rods are provided with the fixing sleeve, the telescopic pipes are arranged in the fixing sleeve, and the two parallel supporting rods are connected with the standard pipe with the same side of the upper telescopic pipe and the lower telescopic pipe at the same end.

The further technical scheme is as follows: the guide tube is inclined outwards.

The further technical scheme is as follows: the operation platform is of a frame structure, and the bottom and the side faces of the operation platform are sealed by steel bar meshes.

The further technical scheme is as follows: the grid interval of the bottom steel mesh of the operation platform is 10cm multiplied by 10cm, and the grid interval of the side steel mesh of the operation platform is 20cm multiplied by 20 cm.

The further technical scheme is as follows: the supporting mechanism comprises a hydraulic oil cylinder and a supporting seat, and the hydraulic oil cylinder is fixed on two sides of the operating platform through the supporting seat.

The further technical scheme is as follows: and a connecting steel plate is arranged at the bottom of the hydraulic oil cylinder, and a buffer rubber block is bonded at the bottom of the connecting steel plate.

The further technical scheme is as follows: the hydraulic oil cylinder is connected with the hydraulic oil cylinder through a connecting shaft and a support rod.

The utility model has the beneficial effects that:

the utility model has simple structure, convenient installation, safety and reliability, and the drill rod can drill along the guide direction by arranging the guide pipe, thereby realizing the accurate control of the drilling direction. The stand pipe uses the standard pipe as standard evenly distributed on the bracing piece for every row or every line of drilling all can guarantee the side wall light explosion and dig the quality on a straight line, can adjust the size of each structure of this device according to blasting design parameter, drilling depth etc. in the actual work progress, and the range of application is wide, has improved the efficiency of construction.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a view showing the connection structure of the operation platform and the loader arm;

FIG. 3 is a schematic front plan view of the operation platform;

FIG. 4 is a left side plan view of the operation platform;

FIG. 5 is a top plan view of the work platform;

FIG. 6 is a front plan view of the guide mechanism;

FIG. 7 is a left side plan view of the guide mechanism;

FIG. 8 is a top plan view of the guide mechanism;

in the figure: 1 connecting a shaft; 2, a movable arm of the loader; 3, a support rod; 4, operating the platform; 4-1 base beam; 4-2 base stringers; 4-3 railing cross beams; 4-4 of vertical rods; 4-5 railing longitudinal beams; 4-6 movable arm connecting plates; 4-7 connecting plates; 4-8 of bottom reinforcing mesh sheets; 4-9 of steel bar meshes on the side surface; 4-10 mounting seats; 5, a supporting mechanism; 5-1, supporting a base; 5-2 hydraulic oil cylinders; 5-3, a lower supporting seat; 5-4 connecting steel plates; 5-5 buffer rubber blocks; 6, a guide mechanism; 6-1 supporting rod; 6-2 standard pipes; 6-3 guide tubes; 6-4 fixing the sleeve; 6-5 telescopic pipes; 7 a loader.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.

In the description of the present invention, it should be noted that the directions or positional relationships indicated as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., appear based on the directions or positional relationships shown in the drawings, which are merely for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific direction, be constructed in a specific direction and operation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" should be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

An adjustable control device for drilling of a side wall light explosion hole is shown in figures 1-8 and comprises an operation platform 4, supporting mechanisms 5 and guiding mechanisms 6, wherein the supporting mechanisms 5 are fixed on two sides of the operation platform 4, the guiding mechanisms 6 are fixedly connected to the operation platform 4, constructors can conduct construction in the operation platform, each guiding mechanism 6 comprises a supporting rod 6-1, a standard pipe 6-2 and a guiding pipe 6-3, the standard pipe 6-2 is connected to two ends of the supporting rod 6-1, and a plurality of guiding pipes 6-3 are uniformly distributed on the supporting rod 6-1 between the two standard pipes 6-2. The drill rod passes through the guide tube 6-3 and is drilled in the guide direction so that each row or column of holes is in a straight line.

The operation platform 4 is of a cuboid frame structure and is built by a foundation cross beam 4-1, a foundation longitudinal beam 4-2, a railing cross beam 4-3, an upright rod 4-4 and a railing longitudinal beam 4-5, and constructors can perform drilling construction in the operation platform. The base cross beam 4-1 and the base longitudinal beam 4-2 build the bottom surface of the operation platform 4, and the railing cross beam 4-3, the railing longitudinal beam 4-5 and the upright rod 4-4 build the side surface of the operation platform 4. Bottom reinforcing steel bar net pieces 4-8 with the grid interval of 10cmx10cm are paved on the bottom surface of the operating platform 4, and side reinforcing steel bar net pieces 4-9 with the grid interval of 20cm x 20cm are paved on the side surfaces of the operating platform 4, so that the personal safety of constructors can be effectively guaranteed.

The supporting mechanism 5 comprises two hydraulic oil cylinders 5-2 and two supporting seats, an upper supporting seat 5-1 is fixedly connected to the upper ends of the hydraulic oil cylinders 5-2, and the upper supporting seat 5-1 is welded on the vertical rod 4-4; the lower support seat 5-3 is fixedly connected to the lower end of the hydraulic oil cylinder 5-2, and the lower support seat 5-3 is welded on the foundation longitudinal beam 4-2. In some embodiments, the upper supporting seat and the lower supporting seat are of circular ring structures and are sleeved on the hydraulic oil cylinder. The stroke of the hydraulic oil cylinder is selected according to the on-site and timely terrain requirements, the hydraulic oil cylinder 5-2 can support the operating platform 4, the stability of the device is maintained, and the construction safety is guaranteed during construction. The bottom end of the hydraulic oil cylinder 5-2 is welded with a connecting steel plate 5-4, and the bottom end of the connecting steel plate is bonded with a buffer rubber block 5-5. The cushion rubber blocks 5-5 mainly play a role in adjusting uneven base surfaces.

The guide mechanism 6 comprises a support rod 6-1, a standard pipe 6-2 and a guide pipe 6-3, the support rod 6-1 is a horizontal steel pipe, specifically, two support rods 6-1 which are parallel up and down are arranged, and the support rods 6-1 are fixed on the operating platform 4 through mounting seats 4-10. In one embodiment, two standard tubes 6-2 are respectively vertically arranged at two ends of the support rod 6-1, the length of the standard tube 6-2 is larger than that of the guide tube 6-3, a plurality of guide tubes 6-3 are uniformly distributed on the support rod between the two standard tubes, and each guide tube 6-3 is parallel to each other. In one embodiment, the guide pipe 6-3 is inclined outwards, and the inclination angle is determined according to the hole depth of the drilled hole, so that the excavation overexcavation is controlled within a standard range.

In the preferred embodiment, the standard tube 6-2 is fixed to the support rod 6-1 by means of a fixed sleeve 6-4 and a telescopic tube 6-5. Four fixed sleeves 6-4 are symmetrically arranged at the opposite sides of the two ends of the supporting tube 6-1, and the fixed sleeves 6-4 are made of steel tubes with the inner diameter larger than that of the telescopic tube 6-5, so that the telescopic tube 6-5 can penetrate through the fixed sleeves 6-4. The middle part of the telescopic pipe 6-5 is fixed in the fixed sleeve 6-4, and the two ends of the telescopic pipe 6-5 can be telescopically adjusted in length. Specifically, the length of the telescopic tube can be adjusted through threads. The telescopic pipes 6-5 are provided with scale marks, and the telescopic lengths of the telescopic pipes 6-5 at the two ends of the support rod are the same by observing the scale marks. The two standard pipes 6-2 are respectively fixed on the same side of the upper and lower telescopic pipes 6-5 at the same end of the two support rods 6-1, so that the two standard pipes are connected at the two ends of the support rods 6-1. The position of the standard pipe 6-2 is adjusted by adjusting the length of the telescopic pipe 6-5, so that the distance between each row of blast holes is adjusted, and different construction requirements are met.

In the preferred embodiment, the operator platform 4 is mounted on a loader 7, and the operator platform 4 is moved by the loader 7 and provides power to the hydraulic rams 5-2. A movable arm connecting plate 4-6 is arranged on a basic cross beam 4-1 of the operating platform, and the movable arm connecting plate 4-6 is connected with a movable arm 2 of the loader through a connecting shaft 1. The railing beam 4-3 is also provided with a connecting plate 4-7, and the connecting plate 4-7 is connected with the loader movable arm 2 through a supporting rod 3. The horizontal position and the height of the operating platform 4 can be adjusted by controlling a handle in a cab of the loader 7, and meanwhile, the operating platform 4 is convenient to move. Oil pipes in the loader are respectively connected to two hydraulic oil cylinders 5-2 to provide power for the hydraulic oil cylinders.

The specific use method of the utility model comprises the following steps:

1. the utility model is installed and used according to the following dimensions: the length × width × height of the operation platform 4 is 6000 × 600 × 1200 mm. The size of the supporting rod 6-1 is 6200mm, the size of the guide pipe 6-3 is 600mm, the size of the standard pipe 6-2 is 1000mm, the size of the fixed sleeve 6-4 is 100mm, the size of the telescopic pipe 6-5 is 250mm, and the length of the mounting seat 4-10 is 40 mm. Wherein the distribution distance of the guide pipe 6-3 on the support rod 6-1 is 50cm, the guide pipe 6-3 is installed and fixed with an angle of outwards inclining 1.5 degrees, and when the hole depth reaches 4m, the over digging is controlled within 10.5 m.

2. The operation platform is installed on a loader movable arm 2 according to figures 1 and 2, then a loader 7 is driven to arrange the operation platform 4 in parallel to a side wall to be excavated, standard pipes 6-2 on two sides of the operation platform 4 are required to be attached to the side wall in the arrangement process, and blast hole traces of a previous gun are overlapped with the standard pipes 6-2, so that each blast hole trace can be ensured to be on the same straight line. And adjusting the positions of the telescopic pipes 6-5 to ensure that the lengths and the positions of the telescopic pipes 6-5 on the two sides are consistent, ensuring that the distance between each row of blast holes is the same, controlling the telescopic length within 50mm, and then controlling the center of the top pipe orifice of the guide pipe 6-3 to be positioned in an excavation design sideline by driving a loader.

3. The operating platform 4 is roughly adjusted to be horizontal by operating the cab handle, the perpendicularity of the standard pipe 6-2 is further checked, the cab handle is operated at the moment, the oil cylinder 5-2 is supported on the ground, the two handles are respectively operated to horizontally adjust the operating platform 4, the perpendicularity of the standard pipe 6-2 is guaranteed, and the oil cylinder 5-2 can guarantee the safety of the device at the moment.

4. A worker drills a drill rod through the guide pipes 6-3 along the guide direction by a pneumatic drill of an operator on the operation platform 4, the drill rod can be guaranteed to be consistent in drilling depth after being completely drilled on the same horizontal plane, the drilling distance is guaranteed to be uniform, an excavation surface is not underdug or overexcavated within 15cm after blasting, the standard requirement is met, and each blast hole is left with traces on a straight line.

5. After the light explosion hole construction of the section is completed, the loader can start the construction of the next section of light explosion hole, the process connection time is shortened, and the working efficiency is improved.

In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations can be made by the worker in the light of the above teachings without departing from the spirit of the utility model. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. The utility model provides a side wall light explosion hole creeps into adjustable controlling means which characterized in that, includes operation platform, supporting mechanism and guiding mechanism, and supporting mechanism fixes in operation platform's both sides, and guiding mechanism fixed connection is on operation platform, and guiding mechanism includes bracing piece, standard pipe and stand pipe, and standard union coupling is at the both ends of bracing piece, and a plurality of stand pipe evenly distributed is on the bracing piece between two standard pipes.

2. The adjustable control device for drilling the side wall light explosion hole according to claim 1, wherein two support rods are arranged, and the two support rods are parallel up and down.

3. The adjustable control device for drilling a side wall smooth blasting hole according to claim 2, wherein the standard pipe is connected to the support rods through a fixed sleeve and a telescopic pipe, the two ends of each support rod are provided with the fixed sleeve, the fixed sleeve is internally provided with the telescopic pipe, and the same side of the upper telescopic pipe and the same side of the lower telescopic pipe at the same end of the two parallel support rods are connected with the standard pipe.

4. The adjustable control device for drilling the side wall light explosion hole according to claim 3, wherein scale marks are arranged on the telescopic pipe.

5. The adjustable control device for drilling a side wall light explosion hole according to claim 1, wherein the guide pipe is inclined outwards.

6. The adjustable control device for side wall light explosion hole drilling according to claim 1, wherein the operating platform is of a frame structure, and the bottom and the side surfaces of the operating platform are sealed by steel mesh sheets.

7. The adjustable control device for drilling the side wall light explosion hole is characterized in that the grid spacing of the steel mesh sheets at the bottom of the operation platform is 10cm x10cm, and the grid spacing of the steel mesh sheets at the side of the operation platform is 20cm x 20 cm.

8. The adjustable control device for the drilling of the side wall light explosion hole is characterized in that the supporting mechanism comprises a hydraulic oil cylinder and a supporting seat, and the hydraulic oil cylinder is fixed on two sides of the operating platform through the supporting seat.

9. The adjustable control device for drilling the side wall light explosion hole is characterized in that a connecting steel plate is arranged at the bottom of the hydraulic oil cylinder, and a buffer rubber block is bonded at the bottom of the connecting steel plate.