CN212614518U

CN212614518U - Bored concrete pile rotary drilling reamer

Info

Publication number: CN212614518U
Application number: CN202021313892.8U
Authority: CN
Inventors: 朱才彬; 刘勇
Original assignee: Hubei Xionglian Construction Engineering Co ltd
Current assignee: Hubei Xionglian Construction Engineering Co ltd
Priority date: 2020-07-07
Filing date: 2020-07-07
Publication date: 2021-02-26
Anticipated expiration: 2030-07-07

Abstract

The utility model discloses a bored concrete pile digs enlarger soon belongs to enlarger technical field, and it includes the connecting axle, the bottom fixedly connected with double-screw bolt of connecting axle, the right flank overlap joint of double-screw bolt has stop device, stop device's left surface fixedly connected with screw cap, the screw cap overcoat has cup jointed the bearing, screw cap threaded connection is outside the double-screw bolt, the bottom fixedly connected with sleeve of double-screw bolt, be provided with the cardboard in the sleeve, the right flank of cardboard is seted up flutedly, be provided with fixing device in the recess. This bored concrete pile digs enlarger soon through setting up double-screw bolt, screw cap, connecting rod, bolt, limiting plate, slider and drill bit for this device can carry out the regulation of reaming size according to actual conditions's demand, and the work of changing is carried out again to this drill bit that need not customize equidimension, makes the process more simple and convenient, and this device can change the single damage drill bit moreover, thereby has reduced the input of cost.

Description

Bored concrete pile rotary drilling reamer

Technical Field

The utility model belongs to the technical field of the enlarger, specifically be an enlarger is dug soon to bored concrete pile.

Background

Before the bored concrete pile pours into, often need use to dig the reamer soon and carry out reaming treatment to the filling hole of seting up, when needs carry out great or less reaming to the filling hole, often need change not the reaming head of equidimension and use, not only need customize the reaming head of equidimension not according to actual conditions, the change process is comparatively troublesome moreover, when damage appears in some part of reaming head, often need change whole reaming head for economic input is great.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome the above-mentioned defect of prior art, the utility model provides a reamer is dug soon to bored concrete pile has solved when needs carry out great or less reaming to the filling hole, not only needs to customize the reaming head of equidimension not according to actual conditions, and the change process is comparatively troublesome moreover, when damage appears in some part of reaming head, often needs to change whole reaming head for the great problem of economic input.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a bored concrete pile digs enlarger soon, includes the connecting axle, the bottom fixedly connected with double-screw bolt of connecting axle, the right flank overlap joint of double-screw bolt has stop device, stop device's left surface fixedly connected with screw cap, the screw cap overcoat has connect the bearing, screw cap threaded connection is outside the double-screw bolt, the bottom fixedly connected with sleeve of double-screw bolt, be provided with the cardboard in the sleeve.

The right side face of the clamping plate is provided with a groove, a fixing device is arranged in the groove, the fixing device is clamped on the right side face of the sleeve, the lower surface of the clamping plate is fixedly connected with a conical drill, the left side face and the right side face of the sleeve are fixedly connected with connecting blocks, the connecting blocks are hinged with the supporting plate through first hinge pins, and the right side face of the supporting plate is provided with a sliding groove.

Sliding connection has a plurality of slider, a plurality of in the spout the opposite face overlap joint of slider, the right flank fixedly connected with drill bit of slider, be provided with the limiting plate in the spout, the limiting plate overlap joint is at the upper surface of one of them slider, the limiting plate passes through bolt and backup pad fixed connection, two the equal fixedly connected with fixed block of the opposite face of backup pad and the left and right sides face of bearing, two the fixed block is articulated with same connecting rod through two second round pin axles.

As a further aspect of the present invention: the limiting device comprises a connecting plate, the connecting plate is fixedly connected to the right side face of the threaded cap, a second nut is connected to the right side face of the connecting plate in a clamped mode, a second screw rod is connected to the inner thread of the second nut in a lapped mode and is connected to the right side face of the stud in a lapped mode, and a knob is fixedly connected to the right end of the second screw rod.

As a further aspect of the present invention: the fixing device comprises a first nut, the first nut is clamped on the right side face of the sleeve, a first screw rod is connected with the inner thread of the first nut, and the first screw rod is arranged in the groove.

As a further aspect of the present invention: the slider shape sets up to the T shape, the shape of spout and the shape looks adaptation of slider.

As a further aspect of the present invention: the shape of the sleeve is set to be rectangular, and the shape of the clamping plate is matched with that of the sleeve.

(III) advantageous effects

Compared with the prior art, the beneficial effects of the utility model reside in that:

1. this enlarger is dug soon to bored concrete pile, through setting up the double-screw bolt, the screw cap, the connecting rod, the bolt, the limiting plate, slider and drill bit, when needs are adjusted, the staff moves down under the effect of double-screw bolt threaded connection through rotating the screw cap, make the connecting rod drive backup pad and drill bit expand to suitable position, when needs change drill bit, the staff dismantles the bolt, take out the limiting plate, and the work that can change is taken out to the drill bit that will damage through the slider slides in the spout, make this device can carry out the regulation of reaming size according to actual conditions's demand, with this work that does not need the not customize not the not drill bit of equidimension to change again, make the process more simple and convenient, and this device can change the single drill bit that damages, thereby.

2. This bored concrete pile digs enlarger soon through setting up knob and second screw rod, and the staff rotates the second screw rod through the knob for the double-screw bolt surface is hugged closely to the second screw rod, and then has avoided the screw cap to reciprocate the problem that leads to the adjusting position to change, thereby has improved the reaming degree of accuracy of this device.

3. This bored concrete pile digs enlarger soon through setting up first screw rod and first nut, and the rotatory first screw rod of staff for first screw rod keeps away from the recess under the threaded connection effect of first nut, thereby makes things convenient for the staff to take the cardboard out telescopic work, has made things convenient for this device to the work that the toper was crept into and is gone changing with this.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

fig. 2 is an enlarged schematic structural view at a position a of the present invention;

FIG. 3 is a schematic diagram of the cross-sectional structure of the slider viewed from the right of the present invention;

fig. 4 is a schematic sectional view of the sleeve of the present invention viewed from above;

in the figure: 1 connecting shaft, 2 studs, 3 bearings, 4 threaded caps, 5 sleeves, 6 clamping plates, 7 grooves, 8 fixing devices, 81 first nuts, 82 first screw rods, 9 conical drills, 10 first pin shafts, 11 supporting plates, 12 sliding grooves, 13 sliding blocks, 14 limiting plates, 15 fixing blocks, 16 second pin shafts, 17 drill bits, 18 connecting rods, 19 limiting devices, 191 connecting plates, 192 knobs, 193 second nuts, 194 second screw rods, 20 connecting blocks and 21 bolts.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

As shown in fig. 1-4, the utility model provides a technical solution: the utility model provides a bored concrete pile digs enlarger soon, including connecting axle 1, the bottom fixedly connected with double-screw bolt 2 of connecting axle 1, the right flank overlap joint of double-screw bolt 2 has stop device 19, stop device 19's left surface fixedly connected with screw cap 4, through setting up screw cap 4 and double-screw bolt 2, and screw cap 4 can reciprocate under the threaded connection effect of double-screw bolt 2, thereby be favorable to the work that this device adjusted, 4 overcoat joints of screw cap have bearing 3, through setting up bearing 3, and bearing 3 can guarantee 4 normal rotatory works of screw cap, 4 threaded connection of screw cap is outside double-screw bolt 2, the bottom fixedly connected with sleeve 5 of double-screw bolt 2, be provided with cardboard 6 in the sleeve 5.

The right flank of cardboard 6 is seted up flutedly 7, is provided with fixing device 8 in the recess 7, and fixing device 8 joint is at telescopic 5 right flank, and the lower fixed surface of cardboard 6 is connected with the toper and bores 9, and the equal fixedly connected with connecting block 20 of the left and right sides face of sleeve 5, and connecting block 20 is articulated with backup pad 11 through first round pin axle 10, and spout 12 has been seted up to backup pad 11 right flank.

Sliding connection has a plurality of slider 13 in the spout 12, the opposite face overlap joint of a plurality of slider 13, the right flank fixedly connected with drill bit 17 of slider 13, be provided with limiting plate 14 in the spout 12, limiting plate 14 overlap joint is on the upper surface of one of them slider 13, limiting plate 14 passes through bolt 21 and backup pad 11 fixed connection, through setting up bolt 21 and limiting plate 14, and through putting limiting plate 14 into spout 12, then through bolt 21 with limiting plate 14 and backup pad 11 lock solid, thereby avoid slider 13 roll-off spout 12, the work of drill bit 17 normal use has been guaranteed, the equal fixedly connected with fixed block 15 of the opposite face of two backup pads 11 and the left and right sides face of bearing 3, two fixed blocks 15 are articulated with same connecting rod 18 through two second round pin axles 16.

Specifically, as shown in fig. 1, the limiting device 19 includes a connecting plate 191, the connecting plate 191 is fixedly connected to the right side surface of the screw cap 4, a second nut 193 is connected to the right side surface of the connecting plate 191 in a clamping manner, a second screw 194 is connected to the second nut 193 in an internal thread manner, the second screw 194 is lapped on the right side surface of the stud 2, a knob 192 is fixedly connected to the right end of the second screw 194, the knob 192 and the second screw 194 are arranged, and a worker rotates the second screw 194 through the knob 192, so that the second screw 194 is tightly attached to the surface of the stud 2, the problem that the adjusting position is changed due to the fact that the screw cap 4 moves up and down is avoided, the reaming accuracy of the device is improved, the fixing device 8 includes a first nut 81, the first nut 81 is connected to the right side surface of the sleeve 5 in a clamping manner, the first nut 81 is connected to a first screw 82, and the staff rotates first screw 82 for recess 7 is kept away from to first screw 82 under the threaded connection effect of first nut 81, thereby makes things convenient for the staff to take cardboard 6 out the work of sleeve 5, has made things convenient for the work that this device carries out the change to the taper drill 9 with this, and first screw 82 sets up in recess 7.

Specifically, as shown in fig. 3, the shape of the slider 13 is set to be T-shaped, the shape of the chute 12 is matched with the shape of the slider 13, the slider 13 and the chute 12 are arranged, and the shapes of the slider 13 and the chute 12 are both set to be T-shaped, so that the slider 13 can play a role of supporting the drill bit 17, the normal use of the drill bit 17 is ensured, and meanwhile, the slider 13 slides in the chute 12, thereby being beneficial to the replacement work of the drill bit 17.

Specifically, as shown in fig. 4, the shape of the sleeve 5 is set to be rectangular, the shape of the clamping plate 6 is matched with the shape of the sleeve 5, the sleeve 5 and the clamping plate 6 are arranged, and the shapes of the sleeve 5 and the clamping plate 6 are set to be rectangular, so that the clamping plate 6 can be prevented from rotating in the sleeve 5, and the drilling work of the taper drill 9 is facilitated.

The utility model discloses a theory of operation does:

s1, when adjustment is needed, a worker rotates the knob 192 to enable the knob 192 to drive the second screw rod 194 to be far away from the surface of the stud 2, then the knob 192 rotates the threaded cap 4 to enable the threaded cap 4 to move downwards under the threaded connection effect of the stud 2, and the threaded cap 4 drives the connecting rod 18 to expand downwards through the bearing 3;

s2, driving the supporting plate 11 and the drill bit 17 to be unfolded downwards to a proper position by the connecting rod 18, and reversing the knob 192 by a worker to enable the knob 192 to drive the second screw rod 194 to be in close contact with the surface of the stud 2, so that the adjusting work of the device is completed;

s3, when needing to be changed, the staff demolishs bolt 21 and the separation of backup pad 11, then take out limiting plate 14, slide 12 is taken out through slider 13 with the drill bit 17 that damages at last, then slide into slide 12 with new drill bit 17 and slider 13 in, and with limiting plate 14 propelling movement in slide 12, the rethread bolt 21 is fixed limiting plate 14 and backup pad 11, recess 7 is kept away from to the rotatory second screw rod 194 of staff simultaneously, take sleeve 5 out with cardboard 6 again, and with new cardboard 6 propelling movement sleeve 5, reverse second screw rod 194 screw in recess 7 again, make this device change the completion.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, 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 meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. The utility model provides a bored concrete pile digs enlarger soon, includes connecting axle (1), its characterized in that: the bottom end of the connecting shaft (1) is fixedly connected with a stud (2), the right side surface of the stud (2) is lapped with a limiting device (19), the left side surface of the limiting device (19) is fixedly connected with a threaded cap (4), a bearing (3) is sleeved outside the threaded cap (4), the threaded cap (4) is in threaded connection with the outside of the stud (2), the bottom end of the stud (2) is fixedly connected with a sleeve (5), and a clamping plate (6) is arranged in the sleeve (5);

a groove (7) is formed in the right side face of the clamping plate (6), a fixing device (8) is arranged in the groove (7), the fixing device (8) is clamped on the right side face of the sleeve (5), a conical drill (9) is fixedly connected to the lower surface of the clamping plate (6), connecting blocks (20) are fixedly connected to the left side face and the right side face of the sleeve (5), the connecting blocks (20) are hinged to a supporting plate (11) through first pin shafts (10), and a sliding groove (12) is formed in the right side face of the supporting plate (11);

sliding connection has a plurality of slider (13), a plurality of in spout (12) the opposite face overlap joint of slider (13), right flank fixedly connected with drill bit (17) of slider (13), be provided with limiting plate (14) in spout (12), limiting plate (14) overlap joint is at the upper surface of one of them slider (13), limiting plate (14) are through bolt (21) and backup pad (11) fixed connection, two the equal fixedly connected with fixed block (15) of the opposite face of backup pad (11) and the left and right sides face of bearing (3), two fixed block (15) are articulated with same connecting rod (18) through two second round pin axles (16).

2. The rotary excavating reamer for the cast-in-place pile according to claim 1, characterized in that: stop device (19) are including connecting plate (191), connecting plate (191) fixed connection is in the right flank of screw cap (4), the right flank joint of connecting plate (191) has second nut (193), second nut (193) internal thread connection has second screw rod (194), second screw rod (194) overlap joint is at the right flank of double-screw bolt (2), the right-hand member fixedly connected with knob (192) of second screw rod (194).

3. The rotary excavating reamer for the cast-in-place pile according to claim 1, characterized in that: fixing device (8) include first nut (81), first nut (81) joint is at the right flank of sleeve (5), first nut (81) internal thread connection has first screw rod (82), first screw rod (82) set up in recess (7).

4. The rotary excavating reamer for the cast-in-place pile according to claim 1, characterized in that: the shape of the sliding block (13) is set to be T-shaped, and the shape of the sliding groove (12) is matched with that of the sliding block (13).

5. The rotary excavating reamer for the cast-in-place pile according to claim 1, characterized in that: the shape of the sleeve (5) is rectangular, and the shape of the clamping plate (6) is matched with that of the sleeve (5).