CN209908411U

CN209908411U - Civil engineering pile foundation construction is with double-deck hole enlargement drill bit

Info

Publication number: CN209908411U
Application number: CN201920841415.XU
Authority: CN
Inventors: 刘俐
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-06-04
Filing date: 2019-06-04
Publication date: 2020-01-07
Anticipated expiration: 2029-06-04

Abstract

The utility model discloses a civil engineering pile foundation construction is with double-deck hole enlargement drill bit, including the installation piece, the top of installation piece is provided with the connector, and installs the inside central point department of putting of piece and install the stand, the movable sleeve is installed in the outside of stand, and the surface of movable sleeve is provided with the spout, the internally mounted of spout has the slider rather than matching, and one side that the spout was kept away from to the slider is fixed with the connecting rod that extends to the installation piece outside. The utility model discloses a make the movable sleeve rotate, and then make the slider slide in the inside of spout and make slider cooperation connecting rod promote the tool bit to removing to one side of keeping away from the installation piece, thereby be convenient for adjust the interval of drill bit outside tool bit, and be convenient for carry out the reaming to the hole of equidimension not, and through driving the inside of extrusion head rotation to the fixture block from driving wheel cooperation screw rod, make the fixture block produce elastic deformation to the one side that is close to the drive pivot simultaneously, thereby avoid not hard up phenomenon to appear in the use drill bit, and be convenient for carry out better fixed to the drill bit.

Description

Civil engineering pile foundation construction is with double-deck hole enlargement drill bit

Technical Field

The utility model relates to a civil engineering technical field specifically is a civil engineering pile foundation construction is with double-deck hole enlargement drill bit.

Background

The pile foundation consists of a foundation pile and a bearing platform connected to the pile top, and if the pile body is completely buried in soil and the bottom surface of the bearing platform is in contact with the soil body, the pile foundation is called a low bearing platform pile foundation; if the upper part of the pile body is exposed out of the ground and the bottom of the pile cap is above the ground, the pile body is called a high pile cap foundation, and the building pile foundation is usually a low pile cap foundation and is widely applied to projects such as high-rise buildings, bridges, high-speed rails and the like.

The existing double-layer expanding drill bit for civil engineering pile foundation construction is of a fixed structure, different hole diameters can be machined by replacing drill bits with different sizes, the expanding machining process is complicated, holes with different sizes cannot be expanded, the existing double-layer expanding drill bit for civil engineering pile foundation construction is connected in a Mohs taper mode, bolts and pin shafts, the loosening phenomenon is easy to occur in the using process, and the drill bit is not convenient to fix well.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a civil engineering pile foundation construction is with double-deck hole enlargement drill bit, be fixed structure with double-deck hole enlargement drill bit for the civil engineering pile foundation construction that proposes to have now among the solution above-mentioned background art, need to change not the not different apertures of the drill bit side of equidimension can process out, and then make the hole enlargement course of working excessively loaded down with trivial details, and can not carry out the reaming to the hole of equidimension, and the current mounting means of double-deck hole enlargement drill bit for civil engineering pile foundation construction all adopts morse's tapering or bolt, the round pin axle is connected, the not hard up phenomenon easily appears when the use, and be not convenient for carry out better fixed problem to the drill bit.

In order to achieve the above object, the utility model provides a following technical scheme: a double-layer expanding drill bit for civil engineering pile foundation construction comprises an installation block, wherein a connector is arranged at the top end of the installation block, a stand column is arranged at the central position inside the installation block, a movable sleeve is arranged on the outer side of the stand column, a sliding groove is formed in the outer surface of the movable sleeve, a sliding block matched with the sliding groove is arranged inside the sliding groove, a connecting rod extending to the outer side of the installation block is fixed on one side, away from the sliding groove, of the sliding block, a spring is arranged on the outer side, located inside the installation block, of the connecting rod, a cutter head is fixed at one end, away from the sliding block, of the connecting rod, a worm wheel is arranged at the top end of the stand column, a worm matched with the worm wheel is meshed with the worm wheel, a clamping block is arranged above the connector, a driving rotating shaft is arranged on the outer side of the connector, a, the top in the screw rod outside is installed from the driving wheel, and the link is installed on the top of screw rod, the outside meshing from the driving wheel has the action wheel, and the action wheel keeps away from one side of following the driving wheel and is fixed with the horizontal pole that runs through the link.

Preferably, the cross-section of stand is regular hexagon structure, and the stand passes through the bearing and is connected with the installation piece rotation, the movable sleeve is connected with stand swing joint, and the height of movable sleeve is less than the height of stand.

Preferably, the sliding grooves are of a spiral structure, the depths of the sliding grooves are gradually reduced from top to bottom, the number of the sliding grooves is four, and the four sliding grooves are symmetrically distributed relative to the central axis of the movable sleeve.

Preferably, the outer sides of the clamping blocks and the inner sides of the driving rotating shafts are provided with clamping teeth, the clamping blocks are detachably connected with the extrusion head through threads, the number of the clamping blocks is four, and the four clamping blocks are distributed uniformly in an annular shape.

Preferably, the screw is rotatably connected with the driving rotating shaft through threads, and the top end of the screw is rotatably connected with the connecting frame through a bearing.

Preferably, the link is "L" shape structure, the horizontal pole passes through the bearing and is connected with the link rotation, the one end of horizontal pole and worm all is fixed with interior hexagonal adjusting head.

Compared with the prior art, the beneficial effects of the utility model are that: this civil engineering pile foundation construction is with double-deck hole enlargement drill bit makes the worm wheel drive the stand and rotates through rotating the worm, and then make the stand drive the movable sleeve and rotate, make the slider slide in the inside of spout simultaneously and make slider cooperation connecting rod promote the tool bit to the one side removal of keeping away from the installation piece, thereby be convenient for adjust the interval of drill bit outside tool bit, and be convenient for carry out the reaming to the hole of equidimension not, and this civil engineering pile foundation construction is with double-deck hole enlargement drill bit makes horizontal pole cooperation action wheel drive from the driving wheel rotation through rotating the horizontal pole, and then make to drive the extrusion head rotatory to the inside of fixture block from driving wheel cooperation screw rod, make the fixture block produce elastic deformation to the one side that is close to the drive pivot simultaneously, and cooperate the latch to carry out the block, thereby avoid the drill bit phenomenon of becoming flexible.

Drawings

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

FIG. 2 is a schematic view of the structure of the movable sleeve of the present invention;

FIG. 3 is an enlarged view of the present invention A;

fig. 4 is a schematic structural diagram of the connector of the present invention.

In the figure: 1. mounting blocks; 2. a connector; 3. a column; 4. a movable sleeve; 5. a chute; 6. a slider; 7. a connecting rod; 8. a spring; 9. a cutter head; 10. a worm gear; 11. a worm; 12. a clamping block; 13. driving the rotating shaft; 14. a screw; 15. an extrusion head; 16. a driven wheel; 17. a connecting frame; 18. a driving wheel; 19. a cross bar; 20. an inner hexagonal adjusting head; 21. and (4) clamping teeth.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: a double-layer expanding drill bit for civil engineering pile foundation construction comprises an installation block 1, a connector 2 is arranged at the top end of the installation block 1, a vertical column 3 is arranged at the central position inside the installation block 1, a movable sleeve 4 is arranged on the outer side of the vertical column 3, a sliding groove 5 is arranged on the outer surface of the movable sleeve 4, a sliding block 6 matched with the sliding groove 5 is arranged inside the sliding groove 5, a connecting rod 7 extending to the outer side of the installation block 1 is fixed on one side of the sliding block 6 away from the sliding groove 5, a spring 8 is arranged on the outer side of the connecting rod 7 inside the installation block 1, a cutter head 9 is fixed at one end of the connecting rod 7 away from the sliding block 6, a worm wheel 10 is arranged at the top end of the vertical column 3, a worm 11 matched with the worm wheel 10 is meshed outside the worm wheel 10, a fixture block 12 is arranged above the connector 2, a driving rotating shaft, and the bottom end of the screw 14 is fixed with an extrusion head 15 extending into the fixture block 12, a driven wheel 16 is mounted above the outer side of the screw 14, a connecting frame 17 is mounted at the top end of the screw 14, a driving wheel 18 is meshed with the outer side of the driven wheel 16, and a cross rod 19 penetrating through the connecting frame 17 is fixed on one side of the driving wheel 18 far away from the driven wheel 16.

The utility model discloses a rotate worm 11 and make worm wheel 10 drive stand 3 and rotate, and then make stand 3 drive movable sleeve 4 and rotate, make slider 6 slide in the inside of spout 5 simultaneously and make slider 6 cooperation connecting rod 7 promote tool bit 9 to keeping away from one side removal of installation piece 1, thereby be convenient for adjust the interval of drill bit outside tool bit 9, and be convenient for carry out the reaming to the hole of equidimension not, and make horizontal pole 19 cooperation action wheel 18 drive from driving wheel 16 rotation through rotating horizontal pole 19, and then make from 16 cooperation screw rods 14 drives the inside of extrusion head 15 rotation to fixture block 12 of follow driving wheel, make fixture block 12 produce elastic deformation to the one side that is close to drive pivot 13 simultaneously, and cooperate latch 21 to carry out the block, thereby avoid the not hard up phenomenon to appear in the use drill bit, and be convenient for carry out better fixed to the drill bit.

Referring to fig. 1 and 2, the cross section of the upright post 3 is in a regular hexagon structure, the upright post 3 is rotatably connected with the mounting block 1 through a bearing, the movable sleeve 4 is movably connected with the upright post 3, the height of the movable sleeve 4 is smaller than that of the upright post 3, the sliding grooves 5 are in a spiral structure, the depth of the sliding grooves 5 is gradually reduced from top to bottom, the number of the sliding grooves 5 is four, the four groups of sliding grooves 5 are symmetrically distributed relative to the central axis of the movable sleeve 4, the worm gear 10 drives the upright post 3 to rotate by rotating the worm 11, the upright post 3 drives the movable sleeve 4 to rotate, and the sliding block 6 slides in the sliding grooves 5, so that the sliding block 6 is matched with the connecting rod 7 to push the tool bit 9 to move to one side far away.

Referring to fig. 1, 3 and 4, the outer sides of the fixture blocks 12 and the inner side of the driving shaft 13 are respectively provided with a latch 21, the fixture blocks 12 are detachably connected to the extrusion head 15 through threads, the number of the fixture blocks 12 is four, the four fixture blocks 12 are uniformly distributed in an annular shape, the screw 14 is rotatably connected to the driving shaft 13 through threads, the top end of the screw 14 is rotatably connected to the connecting frame 17 through a bearing, the extrusion head 15 is driven to rotate to the inside of the fixture block 12 through the screw 14, and the fixture block 12 is elastically deformed toward one side close to the driving shaft 13 and is engaged with the latch 21, so that the drill bit is better fixed.

Referring to fig. 1 and 3, the connecting frame 17 is in an "L" shape, the cross bar 19 is rotatably connected to the connecting frame 17 through a bearing, the cross bar 19 and one end of the worm 11 are both fixed with the hexagon socket head 20, the cross bar 19 is rotated inside the connecting frame 17 by rotating the cross bar 19, and the cross bar 19 drives the driving wheel 18 to rotate, so that the driving wheel 18 is driven to rotate by matching with the cross bar 19.

The working principle is as follows: when the device is used, the connector 2 is firstly installed inside the driving rotating shaft 13, then the hexagon wrench is installed inside the inner hexagon adjusting head 20 close to one side of the cross bar 19 and rotates the hexagon wrench, so that the cross bar 19 rotates and the cross bar 19 is matched with the driving wheel 18 to drive the driven wheel 16 to rotate, the driven wheel 16 is matched with the screw 14 to drive the extrusion head 15 to rotate to the inside of the clamping block 12, so that the clamping block 12 generates elastic deformation towards one side close to the driving rotating shaft 13 and is matched with the clamping teeth 21 to carry out clamping, thereby the connector 2 is fixed inside the driving rotating shaft 13, meanwhile, the screw 14 rotates inside the connecting frame 17 and drives the connecting frame 17 to move, the connecting frame 17 drives the cross bar 19 to move, then the hexagon wrench is installed inside the inner hexagon adjusting head 20 close to one side of the worm 11 and rotates the hexagon wrench, thereby the worm 11 rotates and the worm wheel 10 drives the upright, and then make stand 3 drive the movable sleeve 4 and rotate, make slider 6 slide in the inside of spout 5 simultaneously, and connecting rod 7 pulling spring 8 and to keeping away from slider 6 one side removal, and then make connecting rod 7 promote the removal of tool bit 9 to the interval of adjusting drill bit outside tool bit 9 is adjusted.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a civil engineering pile foundation construction is with double-deck hole enlargement drill bit, includes installation piece (1), its characterized in that: the top end of the mounting block (1) is provided with a connector (2), a stand column (3) is mounted at the central position inside the mounting block (1), a movable sleeve (4) is mounted on the outer side of the stand column (3), a sliding groove (5) is formed in the outer surface of the movable sleeve (4), a sliding block (6) matched with the sliding groove (5) is mounted inside the sliding groove (5), a connecting rod (7) extending to the outer side of the mounting block (1) is fixed on one side, away from the sliding groove (5), of the sliding block (6) through the sliding block (6), a spring (8) is arranged on the outer side, located inside the mounting block (1), of the connecting rod (7), away from the sliding block (6), a cutter head (9) is fixed at one end of the connecting rod (7), a worm wheel (10) is mounted at the top end of the stand column (3), a worm (11) matched with the worm wheel (, and drive pivot (13) are installed in the outside of connector (2), the inside central point of drive pivot (13) puts the department and installs screw rod (14), and the bottom mounting of screw rod (14) has extrusion head (15) that extend to fixture block (12) inside, the top in the screw rod (14) outside is installed from driving wheel (16), and the top of screw rod (14) installs link (17), the outside meshing from driving wheel (16) has action wheel (18), and one side that driving wheel (18) kept away from driving wheel (16) is fixed with horizontal pole (19) that run through link (17).

2. The double-layer expanding drill bit for civil engineering pile foundation construction according to claim 1, characterized in that: the cross-section of stand (3) is regular hexagon structure, and stand (3) rotate with installation piece (1) through the bearing and be connected, movable sleeve (4) and stand (3) swing joint, and the height that highly is less than stand (3) of movable sleeve (4).

3. The double-layer expanding drill bit for civil engineering pile foundation construction according to claim 1, characterized in that: the sliding grooves (5) are of spiral structures, the depths of the sliding grooves (5) are gradually reduced from top to bottom, the number of the sliding grooves (5) is four, and the sliding grooves (5) are symmetrically distributed relative to the central axis of the movable sleeve (4).

4. The double-layer expanding drill bit for civil engineering pile foundation construction according to claim 1, characterized in that: the outer side of each clamping block (12) and the inner side of each driving rotating shaft (13) are respectively provided with a clamping tooth (21), the clamping blocks (12) are detachably connected with the extrusion head (15) through threads, the number of the clamping blocks (12) is four, and the clamping blocks (12) are distributed uniformly in an annular mode.

5. The double-layer expanding drill bit for civil engineering pile foundation construction according to claim 1, characterized in that: the screw rod (14) is rotatably connected with the driving rotating shaft (13) through threads, and the top end of the screw rod (14) is rotatably connected with the connecting frame (17) through a bearing.

6. The double-layer expanding drill bit for civil engineering pile foundation construction according to claim 1, characterized in that: the connecting frame (17) is of an L-shaped structure, the cross rod (19) is rotatably connected with the connecting frame (17) through a bearing, and inner hexagonal adjusting heads (20) are fixed at one ends of the cross rod (19) and the worm (11).