CN211851659U

CN211851659U - Drilling machine auxiliary device for large-angle blast hole

Info

Publication number: CN211851659U
Application number: CN202020250546.3U
Authority: CN
Inventors: 许东; 杜如波; 张武
Original assignee: Nanjing Anjit Mining Engineering Co ltd
Current assignee: Nanjing Anjit Mining Engineering Co ltd
Priority date: 2020-03-03
Filing date: 2020-03-03
Publication date: 2020-11-03
Anticipated expiration: 2030-03-03

Abstract

The utility model discloses a big-angle is rig auxiliary device for big-angle big gun hole uses at the technical field of rig, and its technical scheme main points include: pavement layer and be located the rig body on the pavement layer, the rig body has seted up blast hole, its characterized in that on with the pavement layer: the drilling machine body supporting structure comprises a drilling machine body, and is characterized by further comprising a base, a supporting table and two rows of mounting blocks, wherein the base is located on the pavement layer, the supporting table is used for supporting the drilling machine body, the two rows of mounting blocks are oppositely arranged on the bottom wall of the supporting table, the top wall of the supporting table is provided with an inclined surface, a mounting groove corresponding to the mounting blocks is formed in the base, locking assemblies for fixing the mounting blocks in the mounting groove are arranged on the side wall of the base, and; this auxiliary device has increased the angle scope of drilling of rig body through setting up the brace table, and application scope is wide, has reduced the drilling cost, has improved drilling efficiency.

Description

Drilling machine auxiliary device for large-angle blast hole

Technical Field

The utility model relates to a technical field of rig, in particular to big-angle is rig auxiliary device for big-angle big gun hole.

Background

A drilling machine, also called a drilling machine, mainly comprises a machine, a machine set and a mechanism. The drilling machine is a mechanical device which drives a drilling tool to drill underground to obtain real geological data in exploration or mineral resource (including solid ore, liquid ore, gas ore and the like) development. The main function is to drive the drilling tool to break the rock at the bottom of the hole, and the drilling tool is put into or put out of the hole, and can be used for drilling rock cores, ore cores, rock debris, gas samples, liquid samples and the like so as to find the conditions of underground geology, mineral resources and the like.

In blasting, a drill is generally used to drill a blast hole in advance, and then an explosive cartridge is placed in the blast hole to perform blasting. In order to realize that the blasting stress is uniformly distributed in the whole drill hole, the angle of the blasting hole and the position where the explosive cartridge is placed play a key role, and when drilling, the blasting hole needs to be drilled to a proper angle according to the requirements of a drawing so as to achieve a good blasting effect.

However, the existing drilling machine has the following defects: the drilling angle of the drilling machine is generally not more than 45 degrees, but larger angle holes need to be drilled on site sometimes, so that the drilling machine can be matched with a plurality of drilling mechanisms with different angles, the operation time is greatly consumed, the drilling cost is increased, and the efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a wide-angle is rig auxiliary device for big-angle big gun hole, its advantage: through addding the brace table, increased the angle scope of beating of rig body, application scope is wide, has reduced the drilling cost, has improved drilling efficiency.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a wide-angle is rig auxiliary device for big-angle big gun hole, includes the pavement layer and is located the rig body on the pavement layer, the rig body has seted up the blast hole on with the pavement layer, still including the base that is located the pavement layer, the brace table that is used for bearing rig body and two rows of two liang of installation pieces of setting at the brace table diapire relatively, the roof of brace table is established to the inclined plane, be equipped with the mounting groove corresponding with the installation piece on the base, the lateral wall of base is equipped with the locking Assembly who fixes the installation piece in the mounting groove, be equipped with the piece of preventing falling that is used for firm rig body on.

Through the technical scheme, the support table is firstly placed on the base so as to insert the installation block into the installation groove; secondly, the mounting block is stably fixed on the base by using a locking assembly; then open the rig body on the inclined plane of brace table, utilize and prevent down the piece, can avoid the rig body to take place to empty or skid the phenomenon, improved the stability of drilling process. The inclined plane is arranged, so that the adjusting range of the drilling angle of the drilling machine body is enlarged, the drilling efficiency is improved, and the drilling cost is reduced.

The utility model discloses further set up to: be equipped with the cavity that is linked together with the mounting groove in the base, locking Assembly includes two rows of two liang of relative and rotate the lead screw that sets up in the cavity, the latch segment of being connected with the one end of lead screw, sets up at the slider of latch segment lateral wall and rotate the locking ring that sets up at the base outer wall, the lateral wall of installation piece is equipped with and supplies latch segment male locking groove, the interior diapire of cavity and the width direction who follows the base are equipped with the spout, the slider slides in the spout, the one end that the latch segment was kept away from to the lead screw passes the outer wall of base and with the interior rampart threaded connection of locking ring, the outer wall of base is equipped with the setting element that is.

Through the technical scheme, the mounting block is inserted into the mounting groove, then the locking ring is rotated, the screw rod is in threaded connection with the inner ring wall of the locking ring, the sliding groove plays a role in limiting and guiding the movement of the sliding block, the sliding block is driven to slide in the sliding groove, the locking block can be inserted into the locking groove, and therefore the mounting block can be fixed in the mounting groove. This mounting means, easy operation makes things convenient for the dismouting to the staff changes the brace table of different slopes, and application scope is wide, so that bores the blast hole to different angles, has improved drilling efficiency.

The utility model discloses further set up to: the locating piece comprises a locating ring arranged on the side wall of the base, an L-shaped rod arranged on the side wall of the base in a sliding mode, a locating block connected with the horizontal end wall of the L-shaped rod and a spring connected with the vertical side wall of the L-shaped rod, wherein the locking ring deviates from the side wall of the base in a sliding mode, the outer ring wall of the locking ring is provided with a through groove penetrating through the side wall of the locking ring, the L-shaped rod and the locating block slide in the through groove, one end, far away from the L-shaped rod, of the spring is fixed on the groove wall of the through groove, the vertical end of the L-shaped rod extends out of the.

Through above-mentioned technical scheme, the vertical end of pulling L type pole for the locating piece removes to logical inslot, and the spring compression this moment, and then rotatable locking ring makes the latch segment can rotate to the locking inslot. After the locking ring is rotated to a proper position, the L-shaped rod is released, the positioning block can be abutted into the positioning groove by utilizing the elasticity of the spring, the locking ring is positioned, the locking ring is prevented from rotating, and the stability of fixing the mounting block is improved.

The utility model discloses further set up to: the handle is arranged at the vertical top end of the L-shaped rod, the protruding blocks are arranged on the vertical side walls of the L-shaped rod, and the grooves for the protruding blocks to be inserted are formed in the groove walls of the through grooves.

Through above-mentioned technical scheme, pulling handle drives L type pole and slides in logical inslot, inserts the lug back in the recess, can stimulate L type pole this moment to drive the lock ring and rotate.

The utility model discloses further set up to: the anti-falling piece comprises a plurality of T-shaped check blocks located on two sides of the drilling machine body, a rubber cushion glued on the top wall of the supporting table and a plurality of anti-skid convex lines evenly arranged on the surface of the rubber cushion, wherein a plurality of slots for inserting the vertical ends of the T-shaped check blocks are evenly arranged on the top wall of the supporting table, and the horizontal side wall of the T-shaped check block is abutted to the side wall of the drilling machine body.

Through the technical scheme, after the drilling machine body is arranged at a proper position on the supporting table, the vertical end of the T-shaped check block is inserted into the slot, so that the horizontal side wall of the T-shaped check block is abutted to the side wall of the drilling machine body, the drilling machine body is limited, and the phenomenon that the drilling machine body is toppled over is avoided. Utilize characteristics such as good buffering of rubber buffer pad, antidetonation, wear-resisting friction, increased the frictional force between the track wall of brace table surface and rig body, and the setting of antiskid burr has increased the land fertility of grabbing of the track of rig body, avoids the rig body at the operation in-process, the phenomenon of skidding appears, has improved drilling process's stability.

The utility model discloses further set up to: and magnets are arranged on the groove wall of the slot and the vertical side wall of the T-shaped stop block.

Through above-mentioned technical scheme, with T type dog insert slot in, two magnetism are closely laminated, have strengthened the stability that T type dog is located the slot, avoid the rig body to take place to empty the phenomenon.

The utility model discloses further set up to: the lateral wall of mounting groove, the lateral wall of installation piece all are equipped with the rubber pad, two the lateral wall that the rubber pad contacted all establishes to wave curved surface.

Through above-mentioned technical scheme, with the installation piece insert the mounting groove in the back, the lateral wall that two rubber pads contacted all establishes to the wave curved surface, and the compactness of laminating between installation piece and the mounting groove cell wall has been strengthened in the setting of rubber pad, and through the cooperation of wave curved surface, can avoid the installation piece to control and rock for what the installation piece can be stable fixes in the mounting groove.

The utility model discloses further set up to: the bottom wall of the supporting table is provided with a rubber shock pad and contacts with the upper surface of the base.

Through above-mentioned technical scheme, the compactness of laminating between brace table diapire and the pedestal roof has been strengthened in the setting of rubber shock pad, and rubber shock pad has good shock attenuation effect simultaneously to the support rig body that the brace table can be stable.

To sum up, the utility model discloses following beneficial effect has:

1. the top wall of the supporting table is an inclined surface, so that the adjusting range of the drilling angle of the drilling machine body is enlarged, the drilling efficiency is improved, and the drilling cost is reduced;

2. the mounting block is inserted into the mounting groove, the locking ring is rotated, the screw rod is in threaded connection with the inner ring wall of the locking ring, and the sliding groove plays a role in limiting and guiding the movement of the sliding block, so that the sliding block is driven to slide in the sliding groove, the locking block can be inserted into the locking groove, the mounting block can be fixed in the mounting groove, the detachable connection of the supporting table and the base is realized, the supporting tables with different gradients can be conveniently replaced, the application range is wide, the blasting hole can be drilled to different angles, and the drilling efficiency is improved;

3. the two rows of T-shaped stop blocks are arranged on two sides of the crawler belt of the drilling machine body, so that the phenomenon that the drilling machine body is toppled over can be avoided. Utilize characteristics such as good buffering of rubber buffer pad, antidetonation, wear-resisting friction, increased the frictional force between the track wall of brace table surface and rig body, and the setting of antiskid burr has increased the land fertility of grabbing of the track of rig body, avoids the rig body at the operation in-process, the phenomenon of skidding appears, has improved drilling process's stability.

Drawings

Fig. 1 is a schematic view of the overall structure of the present embodiment.

Fig. 2 is a schematic top cross-sectional structural view for embodying the hidden pavement layer in the present embodiment.

Fig. 3 is an enlarged schematic structural view for embodying the portion a in fig. 2.

Fig. 4 is an enlarged schematic structural view for embodying the portion B in fig. 2.

Fig. 5 is a schematic sectional view showing the connection relationship between the positioning member and the locking ring.

Fig. 6 is an enlarged schematic structural view for embodying the portion C in fig. 5.

Reference numerals: 1. a pavement layer; 2. a drill body; 3. a blast hole; 4. a base; 5. a support table; 6. mounting blocks; 7. an inclined surface; 8. mounting grooves; 9. a locking assembly; 91. a screw rod; 92. a slider; 93. a locking block; 94. locking a ring; 95. a locking groove; 96. a chute; 10. an anti-fall piece; 101. a T-shaped stop block; 102. a rubber cushion pad; 103. anti-skid wales; 104. a slot; 11. a cavity; 12. a positioning member; 121. a positioning ring; 122. an L-shaped rod; 123. positioning blocks; 124. a spring; 125. a through groove; 126. positioning a groove; 13. a handle; 14. a bump; 15. a groove; 16. a magnet; 17. a rubber pad; 18. a wave curved surface; 19. a rubber shock pad.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b):

the utility model provides a big-angle is rig auxiliary device for big-angle big gun hole, refers to figure 1, includes pavement layer 1, is equipped with the rig body 2 that is used for the drilling on pavement layer 1, utilizes rig body 2, can set up blast hole 3 on the pavement layer 1.

Referring to fig. 1, placed base 4 on the road surface layer 1, brace table 5 is installed to the top of base 4, and brace table 5 is used for supporting rig body 2, and the upper surface of brace table 5 establishes to inclined plane 7, and then when rig body 2 opened on brace table 5, inclined plane 7's setting has increased the angle of regulation scope of the brill angle of rig body 2, has improved drilling efficiency, has reduced drilling cost.

Referring to fig. 2, for increasing the angle of drilling of rig body 2, four corners of the diapire of brace table 5 all are equipped with installation piece 6, the surface of base 4 is equipped with the mounting groove 8 corresponding with installation piece 6, place brace table 5 on base 4 upper surface, make installation piece 6 insert in the mounting groove 8, the lateral wall of base 4 is equipped with the locking Assembly 9 of fixing installation piece 6 in mounting groove 8, the dismantlement of brace table 5 and base 4 has been realized and has been connected, so that change the brace table 5 of different slopes, the angle of regulation that drills of rig body 2 has further been increased, application scope is wide, drilling efficiency is improved.

The roof of brace table 5 is equipped with the piece 10 of preventing falling that is used for firm rig body 2, when rig body 2 opened brace table 5 face on, the piece 10 is prevented down in the utilization, can avoid sideslipping or toppling over the phenomenon because of brace table 5's slope is too big, takes place to sideslip or empty, has improved drilling process's stability.

Referring to fig. 2, the bottom wall of the supporting platform 5 is provided with a rubber shock pad 19 and contacts with the upper surface of the base 4, the tightness of the fit between the bottom wall of the supporting platform 5 and the top wall of the base 4 is enhanced by the arrangement of the rubber shock pad 19, and meanwhile, the rubber shock pad 19 has a good shock absorption effect, so that the supporting platform 5 can stably support the drilling machine body 2.

Referring to fig. 3, prevent that piece 10 includes that the equipartition sets up a plurality of T type dog 101 in 2 both sides of rig body, glue at the rubber buffer 102 and the equipartition setting of a plurality of anti-skidding burr 103 on rubber buffer 102 surface of a supporting bench 5 roof, the roof equipartition of supporting bench 5 is equipped with a plurality of vertical end male slots 104 that supply T type dog 101, after rig body 2 opened supporting bench 5, insert slot 104 with the vertical end of T type dog 101 in, make the horizontal lateral wall of T type dog 101 support on the lateral wall of rig body 2, and then play spacing effect to rig body 2, avoid rig body 2 to take place to empty the phenomenon.

The rubber buffer pad 102 has good characteristics of buffering, shock resistance, friction resistance and the like, and increases the friction force between the surface of the support platform 5 and the track wall of the drilling machine body 2. The arrangement of the anti-slip convex lines 103 increases the ground grabbing force of the crawler belt of the drilling machine body 2, avoids the phenomenon of slipping of the drilling machine body 2 in the operation process, and improves the stability of the drilling process.

Referring to fig. 3, the slot wall of the slot 104 and the vertical side wall of the T-shaped stopper 101 are both provided with the magnet 16, the T-shaped stopper 101 is inserted into the slot 104, the two magnets are tightly attached to each other, so that the T-shaped stopper can be stably fixed in the slot 104, and the drill body 2 is prevented from falling.

Referring to fig. 4, a cavity 11 communicated with the mounting groove 8 is formed in the

base

4, 4 sets of locking assemblies 9 are provided, and 4 mounting blocks 6 are respectively fixed in the mounting groove 8, wherein one set of locking assemblies 9 comprises a screw rod 91 rotatably arranged in the cavity 11, a locking block 93 connected with one end of the screw rod 91, a slider 92 arranged on the side wall of the locking block 93, and a locking ring 94 rotatably arranged on the outer wall of the base 4, the side wall of the mounting block 6 is provided with a locking groove 95 into which the locking block 93 is inserted, the inner bottom wall of the cavity 11 is provided with a sliding groove 96 along the width direction of the base 4, the slider 92 slides in the sliding groove 96, and one end of the screw rod 91 far away from the locking block 93 penetrates through the outer wall of the base 4 and is in threaded connection with.

During installation, the installation block 6 is inserted into the installation groove 8, then the locking ring 94 is rotated, because the screw rod 91 is in threaded connection with the inner annular wall of the locking ring 94, and the sliding groove 96 plays a role in limiting and guiding the movement of the sliding block 92, so that the sliding block 92 is driven to slide in the sliding groove 96, the locking block 93 can be inserted into the locking groove 95, and the installation block 6 can be fixed in the installation groove 8. This mounting means, easy operation makes things convenient for the dismouting to the staff changes brace table 5 of different slopes, and application scope is wide, so that bores blast hole 3 (fig. 1) to different angles, has improved drilling efficiency.

Referring to fig. 4, the cell wall of mounting groove 8, the lateral wall of installation piece 6 all are equipped with rubber pad 17, with installation piece 6 insert back in the mounting groove 8, the lateral wall that two rubber pads 17 contacted all establishes to wave curved surface 18, and the compactness of laminating between installation piece 6 and the 8 cell walls of mounting groove has been strengthened in the setting of rubber pad 17, and wave curved surface 18's setting, can avoid rocking about installation piece 6 for installation piece 6 can be stable fix in mounting groove 8.

Referring to fig. 4 and 5, in order to stably fix the locking block 93 in the locking groove 95, the outer wall of the base 4 is provided with a positioning member 12 for fixing the locking ring 94, the positioning member 12 includes a positioning ring 121 fixedly disposed on the side wall of the base 4, an L-shaped rod 122 slidably disposed on the side wall of the locking ring 94 away from the base 4, the positioning block 123 is connected with the horizontal end wall of the L-shaped rod 122, the spring 124 is connected with the vertical side wall of the L-shaped rod 122, the outer ring wall of the locking ring 94 is provided with a through groove 125, the through groove 125 penetrates through the side wall of the locking ring 94, which is opposite to the base 4, the L-shaped rod 122 and the positioning block 123 both slide in the through groove 125, one end of the spring 124, which is far away from the L-shaped rod 122, is fixed on the groove wall of the through groove 125, the vertical end of the L-shaped rod 122 extends out of the outer wall of the locking ring 94, the inner ring diameter size of the positioning ring 121 is larger than the outer ring diameter size of the locking ring 94, and.

First, the vertical end of the L-shaped rod 122 is pulled to move the positioning block 123 into the through groove 125, at which time the spring 124 is compressed, and the locking ring 94 is rotated, so that the locking block 93 can be rotated into the locking groove 95.

After the locking ring 94 is rotated to a proper position, the L-shaped rod 122 is released, and the positioning block 123 can be inserted into the positioning groove 126 by utilizing the reset function of the spring 124, so that the locking ring 94 is positioned, the locking ring 94 is prevented from rotating, and the stability of fixing the mounting block 6 is improved.

Referring to fig. 5 and 6, the vertical side wall of the L-shaped rod 122 is provided with a protrusion 14, the wall of the through groove 125 is provided with a groove 15 for the protrusion 14 to be inserted into, the vertical top end of the L-shaped rod 122 is provided with a handle 13, the handle 13 is arranged in a spherical shape, so that a person can pull the L-shaped rod 122 to slide in the through groove 125, and after the protrusion 14 is inserted into the groove 15, the person can pull the L-shaped rod 122 at the moment so as to drive the locking ring 94 to rotate.

The working process is as follows: firstly, the support table 5 is placed above the base 4, so that the mounting block 6 is inserted into the mounting groove 8; and secondly, pulling the L-shaped rod 122 to enable the projection 14 to be inserted into the groove 15, wherein the spring 124 is compressed, and then the L-shaped rod 122 can drive the locking ring 94 to rotate, because the sliding groove 96 has a limiting effect on the movement of the sliding block 92, and the inner ring of the locking ring 94 is in threaded connection with the screw rod 91, the sliding block 92 is driven to slide in the sliding groove 96, the locking block 93 can be inserted into the locking groove 95, and the mounting block 6 is fixed in the mounting groove 8.

Then the L-shaped rod 122 is released, and the positioning block 123 is driven to slide in the through groove 125 by the return function of the spring 124, so that the positioning block 123 is inserted into the positioning groove 126, the positioning of the locking ring 94 is realized, and the support platform 5 can be stably fixed on the base 4.

Finally, the drilling machine body 2 is opened to a proper position on the supporting table 5, the T-shaped stop block 101 is inserted into the slot 104, and the two magnets 16 attract each other, so that the horizontal side wall of the T-shaped stop block 101 abuts against the side wall of the crawler belt of the drilling machine body 2, and the phenomenon that the drilling machine body 2 topples over can be avoided. And the rubber buffer pads 102 and the anti-skid convex patterns 103 are reused, so that the friction force between the track of the drilling machine body 2 and the top surface of the support table 5 is increased, the drilling machine body 2 is prevented from sliding downwards, and the drilling efficiency is improved.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a big-angle is rig auxiliary device for big-angle big gun hole, includes pavement layer (1) and is located rig body (2) on pavement layer (1), rig body (2) have seted up blast hole (3) on with pavement layer (1), its characterized in that: still including base (4) that are located pavement layer (1), brace table (5) and two rows of two liang of installation pieces (6) of setting in brace table (5) diapire relatively that are used for bearing rig body (2), the roof of brace table (5) is established to inclined plane (7), be equipped with on base (4) with installation piece (6) corresponding mounting groove (8), the lateral wall of base (4) is equipped with fixes locking Assembly (9) in mounting groove (8) with installation piece (6), be equipped with on brace table (5) and be used for stabilizing rig body (2) prevent down piece (10).

2. The large-angle blast hole drilling machine auxiliary device according to claim 1, wherein: a cavity (11) communicated with the mounting groove (8) is arranged in the base (4), the locking assembly (9) comprises two rows of screw rods (91) which are opposite to each other in pairs and are rotatably arranged in the cavity (11), a locking block (93) connected with one end of the screw rods (91), a slide block (92) arranged on the side wall of the locking block (93) and a locking ring (94) rotatably arranged on the outer wall of the base (4), the side wall of the mounting block (6) is provided with a locking groove (95) for the locking block (93) to insert, a sliding groove (96) is arranged on the inner bottom wall of the cavity (11) along the width direction of the base (4), the sliding block (92) slides in the sliding groove (96), one end of the screw rod (91) far away from the locking block (93) penetrates through the outer wall of the base (4) and is in threaded connection with the inner annular wall of the locking ring (94), the outer wall of the base (4) is provided with a positioning piece (12) used for fixing the locking ring (94).

3. The large-angle blast hole drilling machine auxiliary device according to claim 2, wherein: the positioning piece (12) comprises a positioning ring (121) arranged on the side wall of the base (4), an L-shaped rod (122) arranged on the side wall of the locking ring (94) and departing from the base (4) in a sliding mode, a positioning block (123) connected with the horizontal end wall of the L-shaped rod (122) and a spring (124) connected with the vertical side wall of the L-shaped rod (122), wherein a through groove (125) penetrating through the outer ring wall of the locking ring (94) is formed in the outer ring wall of the locking ring, the L-shaped rod (122) and the positioning block (123) both slide in the through groove (125), one end, far away from the L-shaped rod (122), of the spring (124) is fixed on the groove wall of the through groove (125), the vertical end of the L-shaped rod (122) extends out of the outer wall of the locking ring (94), and a plurality of positioning grooves (126) for.

4. The large-angle blast hole drilling machine auxiliary device according to claim 3, wherein: the handle (13) is arranged at the vertical top end of the L-shaped rod (122), the protruding block (14) is arranged on the vertical side wall of the L-shaped rod (122), and the groove wall of the through groove (125) is provided with a groove (15) for the protruding block (14) to be inserted into.

5. The large-angle blast hole drilling machine auxiliary device according to claim 1, wherein: prevent down piece (10) including being located a plurality of T type dog (101) of rig body (2) both sides, rubber buffer (102) and the equipartition of gluing at the supporting bench (5) roof set up a plurality of skid proof convex lines (103) on rubber buffer (102) surface, the roof equipartition of supporting bench (5) is equipped with vertical end male slot (104) of a plurality of confession T type dog (101), the horizontal lateral wall of T type dog (101) supports on the lateral wall of rig body (2).

6. The large-angle blast hole drilling machine auxiliary device according to claim 5, wherein: and magnets (16) are arranged on the groove wall of the slot (104) and the vertical side wall of the T-shaped stop block (101).

7. The large-angle blast hole drilling machine auxiliary device according to claim 1, wherein: the wall of the mounting groove (8) and the side wall of the mounting block (6) are both provided with rubber pads (17), and the side walls of the two rubber pads (17) which are in contact are both designed into wave curved surfaces (18).

8. The large-angle blast hole drilling machine auxiliary device according to claim 1, wherein: the bottom wall of the supporting platform (5) is provided with a rubber shock pad (19) and is in contact with the upper surface of the base (4).