CN212867428U

CN212867428U - Limiting device of hole guiding machine

Info

Publication number: CN212867428U
Application number: CN202021773415.XU
Authority: CN
Inventors: 文凯
Original assignee: Shenzhen Huali Geotechnical Engineering Co ltd
Current assignee: Shenzhen Huali Geotechnical Engineering Co ltd
Priority date: 2020-08-22
Filing date: 2020-08-22
Publication date: 2021-04-02
Anticipated expiration: 2030-08-22

Abstract

The utility model relates to a technical field of draw hole machine equipment relates to a stop device of draw hole machine, including support, sliding connection in drilling rod on the support and rotate connect in drill bit on the drilling rod, it is right to be provided with on the support the drill bit carries out spacing subassembly, spacing subassembly includes at least two and can contradict the stopper of drill bit, the confession has been seted up on the stopper the first through-hole that the drill bit was worn to establish when needs punch to ground, with two stopper butts of each other, the first through-hole is worn to locate by the lateral wall stopper butt and the drill bit of drill bit this moment, and the staff makes the drilling rod of draw hole machine along vertical direction downstream, and the drill bit also takes place to rotate this moment, and the stopper is carried on spacingly to the drill bit, and the condition that the reduction drill.

Description

Limiting device of hole guiding machine

Technical Field

The application relates to the field of hole leading machine equipment, in particular to a limiting device of a hole leading machine.

Background

At present, before the pile is hammered, a hole drilling machine is used for drilling holes on the pile points to be hammered.

Referring to fig. 1, a conventional hole drilling machine includes a machine body 12, a support 1 fixedly connected to the machine body 12, a drill rod 11 slidably connected to the support 1, and a drill bit 2 rotatably connected to the drill rod; the drill rod 11 is arranged on the bracket 1 in a lifting way, and the drill bit 2 is provided with a helical blade 10. The hole leading machine leads holes to break through the artificial soil filling layer and reach a sludge layer, so that the prefabricated tubular pile cannot be damaged during piling.

With respect to the related art in the above, the inventors consider that: the drill bit can produce the phenomenon of rocking when punching, if meet the great soft clay of moulding of water content among the drilling process, arouse the aperture grow easily to the hole deviation is drawn in the increase, influences the construction effect.

SUMMERY OF THE UTILITY MODEL

In order to reduce rocking of drill bit, this application provides a stop device of leading hole machine.

The application provides a stop device of draw hole machine adopts following technical scheme:

the utility model provides a stop device of hole machine, includes support, sliding connection drilling rod on the support and rotates the drill bit of connecting on the drilling rod, is provided with on the support and carries out spacing subassembly to the drill bit, and spacing subassembly includes two at least stoppers that can conflict the drill bit, sets up the first through-hole that supplies the drill bit to wear to establish on the stopper.

Through adopting above-mentioned technical scheme, when needs punch to ground, with two stopper butt of each other, the lateral wall of drill bit and the first through-hole inside wall butt of stopper this moment, the staff makes the drilling rod of leading the hole machine along vertical direction downstream, and the drill bit also takes place to rotate this moment, and the stopper carries on spacingly to the drill bit, and the condition that the reduction drill bit rocked takes place.

Preferably, be provided with the fixing base on the support, spacing subassembly still including set up on the fixing base and be used for driving about the stopper and slide and butt in the first driving piece of drill bit, set up the second through-hole that can supply the drill bit embedding on the fixing base.

Through adopting above-mentioned technical scheme, first driving piece orders about stopper sliding connection on the fixing base for the stopper butt is realized reducing the condition emergence that the drill bit rocked on the drill bit lateral wall, and when the drill bit work was accomplished, first driving piece orders about the stopper and no longer the butt drill bit, makes things convenient for the staff to clear up the drill bit or change.

Preferably, the two symmetrical limiting blocks are connected to the fixing seat in a sliding mode, the first driving piece comprises a first lead screw and a first driving motor, the two ends of the first lead screw are connected with the two limiting blocks in a threaded mode respectively, the first driving motor is fixedly connected to the fixing seat and used for driving the lead screw to rotate, and the threads of the first lead screw are opposite from the middle to the two ends.

Through adopting above-mentioned technical scheme, drive a driving motor for the stopper that mutual symmetry set up is towards keeping away from each other or the direction motion that is close to, realizes butt and the separation to the drill bit, easy operation, and simultaneously, the stopper that the symmetry set up can be better the rocking of reduction drill bit.

Preferably, the ball is embedded in the inner side wall of the first through hole, and the ball is abutted to the drill rod and is uniformly provided with a plurality of balls along the inner side wall of the first through hole.

Through adopting above-mentioned technical scheme, the drill bit can take place to rotate promptly, can follow the drilling rod and take place to remove along vertical direction together, and the ball can take place relative slip with the drill bit, reduces the wearing and tearing of stopper and drill bit, has prolonged the life of stopper.

Preferably, be provided with the second driving piece that orders about the fixing base and remove along vertical direction on the support, the drilling rod is provided with the joint spare that carries out the joint to the fixing base in the second through-hole in the ascending projection of vertical direction falls into.

Through adopting above-mentioned technical scheme, when not drilling, the second driving piece orders about the fixing base along vertical direction rebound, and the joint spare is fixed the fixing base on the support, when needs punch, changes the joint state of joint spare, and the second driving piece orders about the fixing base downstream, and when not drilling, the convenience is placed the fixing base.

Preferably, the second driving part comprises a second driving motor fixedly connected to the support and a second screw rod fixedly connected to the output shaft of the second driving motor and in threaded connection with the fixing seat, a first positioning rod is fixedly connected to one end of the support, away from the second screw rod, and the fixing seat is penetrated by the first positioning rod.

Through adopting above-mentioned technical scheme, second driving motor orders about the second lead screw and rotates for the fixing base removes along vertical direction, and first locating lever makes the fixing base can not take place to rotate, when needs punch, moves the fixing base to the one end that is close to ground, contradicts the stopper in the drill bit again, reduces rocking of drill bit.

Preferably, the clamping member comprises a vertical rod rotatably connected to one end of the support and a butt-joint rod fixedly connected to one end of the vertical rod, which is far away from the support, and used for abutting against the lower side of the fixing seat.

Through adopting above-mentioned technical scheme, rotate vertical pole for the fixing base can the upward movement, catches the fixing base with butt pole butt again, plays and carries out the supporting role to the fixing base.

Preferably, one end of the fixing seat, which is far away from the bracket, is fixedly connected with a pointed rod.

Through adopting above-mentioned technical scheme, the fixing base is when removing along vertical direction, and the pointed rod can insert in the ground, strengthens the support intensity to the fixing base.

In summary, the present application includes at least one of the following beneficial technical effects:

the first driving motor drives the two limiting blocks to abut against the drill bit, so that the shaking of the drill bit is reduced;

the ball and the drill bit are in sliding relation and rotating relation, so that the friction force between the drill bit and the limiting block is reduced, and the service life of the limiting block is prolonged;

the second driving motor drives the fixing seat to move up and down along the vertical direction, so that the fixing seat is fixed on the support through the clamping piece when no drilling is performed.

Drawings

Fig. 1 is a schematic structural diagram of a conventional hole guiding machine.

Fig. 2 is a schematic structural diagram of an embodiment of the present application, hiding a body.

Figure 3 is a cross-sectional view showing the snap member and ball, with the pointed rod hidden.

Fig. 4 is a partial schematic view for showing an abutment ring.

Description of reference numerals: 1. a support; 11. a drill stem; 12. a body; 2. a drill bit; 21. a vertical portion; 22. a tip portion; 3. a limiting block; 31. a first through hole; 32. a fixed seat; 321. a second through hole; 33. a first driving member; 34. a first lead screw; 341. a first support block; 35. a first drive motor; 36. a second positioning rod; 37. a second support block; 4. a ball bearing; 5. a second driving member; 51. a second drive motor; 511. a fixed block; 52. a second lead screw; 6. a clamping piece; 61. a vertical rod; 62. a butting rod; 63. a first guide slope; 7. a first positioning rod; 8. a pointed rod; 81. a straight rod; 82. a sharp rod; 9. a butting ring; 10. a helical blade.

Detailed Description

The present application is described in further detail below with reference to figures 2-4.

The embodiment of the application discloses a limiting device of a hole leading machine. Referring to fig. 2 and 3, the limiting device of the hole-guiding machine comprises a support 1 installed on the hole-guiding machine, a drill rod 11 rotatably connected to the support 1, and a drill bit 2 rotatably connected to the drill rod 11, in the embodiment of the present application, the drill bit 2 is composed of a vertical portion 21 and a tip portion 22 integrally formed at one end of the vertical portion 21, and the tip portion 22 is fixedly connected with a helical blade 10. Be provided with on the support 1 and carry out spacing subassembly to drill bit 2, through spacing vertical portion 21, reduce rocking of drill bit 2, improve the work effect of drilling.

The limiting assembly is connected to the support 1 through the fixing seat 32, a second through hole 321 is formed in the fixing seat 32, and the projection of the drill rod 11 in the vertical direction falls into the second through hole 321. In this application embodiment, spacing subassembly includes that two symmetry sliding connection are close to stopper 3 on one side of support 1 in fixing base 32, and fixed connection is the first driving piece 33 on fixing base 32, first through-hole 31 has been seted up on stopper 3, first through-hole 31 is semi-circular in the ascending projection of vertical side, first driving piece 33 orders about stopper 3 and is close to towards vertical portion 21, and make first through-hole 31 inside wall contradict in vertical portion 21 lateral wall, realize spacing to drill bit 2, reduce rocking phenomenon of drill bit 2 and take place.

In this embodiment, the first driving member 33 includes the first lead screw 34 that sets up along the horizontal direction, the first driving motor 35 of fixed connection on fixing base 32, the output shaft fixed connection of first driving motor 35 is in the one end of first lead screw 34, first lead screw 34 supports through the first supporting block 341 that the symmetry set up on fixing base 32, first lead screw 34 rotates to be connected on first supporting block 341, first lead screw 34 is reverse to the screw thread at both ends from middle department, first lead screw 34 threaded connection is on two stopper 3 that the symmetry set up, the middle department of first lead screw 34 is located two stopper 3's butt department, when stopper 3 contradicts each other, the inside wall of first through-hole 31 contradicts on the lateral wall of vertical portion 21. When drilling work is accomplished, drive first driving motor 35 orders about first lead screw 34 and rotates for stopper 3 moves towards the direction of keeping away from each other, and the staff can clear up or change drill bit 2 this moment.

In order to further position the movement direction of the limiting blocks 3, the fixing seat 32 is provided with a second positioning rod 36 along the horizontal direction, the second positioning rod 36 is connected to the fixing seat 32 through two second supporting blocks 37 which are symmetrically arranged, the second positioning rod 36 is rotatably connected to the second supporting blocks 37, and the second positioning rod 36 penetrates through the two limiting blocks 3.

Owing to at the in-process of drilling, drill bit 2 can take place to rotate and follow vertical direction downstream, stopper 3 has great frictional force with vertical portion 21, cause stopper 3's wearing and tearing easily, so in the embodiment of this application, first through-hole 31 inside wall inlays and is equipped with ball 4, ball 4 evenly is provided with a plurality ofly along first through-hole 31 inside wall, ball 4 contradicts with vertical portion 21, when drill bit 2 begins to bore, vertical portion 21 takes place relative motion with ball 4, ball 4 takes place to rotate promptly, take place to slide again, the frictional force of stopper 3 with vertical portion 21 has been reduced, the life of stopper 3 has been prolonged.

In order to facilitate the installation of the fixing seat 32, in the embodiment of the present application, the bracket 1 is provided with the second driving element 5, the second driving element 5 includes a second driving motor 51 and a second lead screw 52 fixed to an output shaft of the second driving motor 51, the second driving motor 51 is installed on the bracket 1 through a fixing block 511, the second lead screw 52 extends in the vertical direction and is rotatably connected to the fixing block 511 through a bearing, the second lead screw 52 is connected to the fixing seat 32 through a thread, and the second driving motor 51 can drive the fixing seat 32 to move up and down in the vertical direction.

Referring to fig. 3 and 4, the end of the second screw 52 away from the bracket 1 is connected with the abutting ring 9 in a threaded manner, so that the phenomenon that the fixed seat 32 falls off and directly falls on the ground is reduced. The first locating rod 7 is fixedly connected to the support 1 along the vertical direction, and the first locating rod 7 penetrates through the fixing seat 32, so that when the second lead screw 52 rotates, the rotation phenomenon of the fixing seat 32 is reduced. In the embodiment of the present application, one end of the first positioning rod 7 away from the bracket 1 is provided with a thread, and the first positioning rod 7 is also connected with the abutting ring 9 by a thread.

Referring back to fig. 2 and 3, in order to further enhance the supporting strength of the fixing seat 32, in this embodiment of the application, one end of the fixing seat 32 far away from the bracket 1 is fixedly connected with a pointed rod 8, the pointed rod 8 is composed of a straight rod 81 and a pointed rod 82 which is integrally formed with the straight rod 81 and is at one end of the fixing seat far away from the bracket 1, when a hole needs to be drilled, the second driving motor 51 drives the fixing seat 32 to move downwards along the vertical direction, so that the pointed rod 82 and the straight rod 81 can be inserted into the ground, the supporting strength of the fixing seat 32 is enhanced, and the limiting block 3 is more stable in limiting the vertical portion 21. In order to further strengthen the supporting strength of the whole-team fixing seat 32, in the embodiment of the present application, the pointed rod 8 is uniformly distributed along the end surface of the fixing seat 32.

After drilling is accomplished, second driving motor 51 orders about fixing base 32 along vertical direction upward movement, make sharp head pole 8 break away from ground, simultaneously in order to strengthen the support to fixing base 32, be provided with joint spare 6 on support 1, joint spare 6 is including rotating the vertical pole 61 of connecting in support 1 one end, and integrated into one piece keeps away from support 1 one and serves pole 62 with vertical pole 61, the side surface can conflict with fixing base 32 downside surface on pole 62, when fixing base 32 is along vertical direction upward movement to a certain position, make the pole 62 bearing of butt live fixing base 32, play the supporting role to fixing base 32. In order to reduce the manual operation, the end of the abutting rod 62 away from the bracket 1 is provided with a first guiding inclined surface 63 capable of abutting against the fixing seat 32, and when the fixing seat 32 abuts against the first guiding inclined surface 63, the vertical rod 61 can be driven to rotate, so that the fixing seat 32 can smoothly move upwards. In order to further enhance the supporting function of the fixing seat 32, the clamping member 6 is provided with a plurality of parts along the periphery of the fixing seat 32.

The implementation principle of the limiting device of the hole leading machine in the embodiment of the application is as follows: when needs are drilled, the staff breaks away from the butt rod 62 and the fixing seat 32, drives the second driving motor 51 this moment, orders about the fixing seat 32 and moves downwards along the vertical direction, so that the pointed rod 8 is inserted into the ground, the support to the fixing seat 32 is realized, the first driving motor 35 is driven again, the limiting block 3 moves towards the vertical part 21, the ball 4 is abutted on the outer side wall of the vertical part 21, the limiting to the vertical part 21 is realized, and the shaking phenomenon of the drill bit 2 is reduced.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a stop device of hole machine, includes support (1), sliding connection in drilling rod (11) on support (1) and rotate connect in drill bit (2) on drilling rod (11), its characterized in that: be provided with on support (1) right drill bit (2) carry out spacing subassembly, spacing subassembly includes at least two can contradict stopper (3) of drill bit (2), seted up the confession on stopper (3) first through-hole (31) that drill bit (2) were worn to establish.

2. The limiting device of the hole guiding machine according to claim 1, wherein: the drill bit limiting device is characterized in that a fixing seat (32) is arranged on the support (1), the limiting assembly further comprises a first driving piece (33) which is arranged on the fixing seat (32) and used for driving the limiting block (3) to slide and abut against the drill bit (2), and a second through hole (321) which can be embedded into the drill bit (2) is formed in the fixing seat (32).

3. The limiting device of the hole guiding machine as claimed in claim 2, wherein: two symmetry sets up stopper (3) sliding connection in on fixing base (32), first driving piece (33) include both ends respectively with two first lead screw (34) of stopper (3) threaded connection and fixed connection in just be used for driving about on fixing base (32) first lead screw (34) pivoted driving motor (35), first lead screw (34) are reverse towards both ends screw thread from the centre.

4. The limiting device of the hole guiding machine as claimed in claim 2, wherein: ball (4) are embedded in the inner side wall of the first through hole (31), and the ball (4) is abutted to the drill bit (2) and the ball (4) is along the inner side wall of the first through hole (31) and is uniformly provided with a plurality of balls.

5. The limiting device of the hole guiding machine as claimed in claim 2, wherein: be provided with on support (1) and order about second driving piece (5) that fixing base (32) removed along vertical direction, drilling rod (11) projection in vertical direction falls into in second through-hole (321), it is right to be provided with on support (1) joint spare (6) that fixing base (32) carry out the joint.

6. The limiting device of a hole guiding machine as defined in claim 5, wherein: the second driving piece (5) comprises a second driving motor (51) arranged on the support (1) and a second screw rod (52) fixedly connected with an output shaft of the second driving motor (51) in a threaded manner on the fixing seat (32), a first positioning rod (7) is fixedly connected to one end, far away from the second screw rod (52), of the support (1), and the first positioning rod (7) penetrates through the fixing seat (32).

7. The limiting device of a hole guiding machine as defined in claim 5, wherein: the clamping piece (6) comprises a vertical rod (61) which is rotatably connected to one end of the support (1) and a butt-joint rod (62) which is fixedly connected to one end, far away from the support (1), of the vertical rod (61) and used for being abutted to the lower side of the fixing seat (32).

8. The limiting device of a hole guiding machine as claimed in claim 3, wherein: the fixing seat (32) is far away from one end of the support (1) and is fixedly connected with a pointed rod (8).