CN212266261U

CN212266261U - Reaming cutter drill bit and drilling tool thereof

Info

Publication number: CN212266261U
Application number: CN202020525364.2U
Authority: CN
Inventors: 汪方勇; 牛恩宽
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-12
Filing date: 2020-04-12
Publication date: 2021-01-01
Anticipated expiration: 2030-04-12

Abstract

The utility model discloses a reaming cutter drill bit and drilling tool thereof relates to and bores equipment technical field, reaches the purpose that cuts the downthehole wall in the hole of placing the stock, and its technical scheme main points are: the cutting device comprises a disc-shaped fixing frame, wherein a cutting head for cutting the wall of a placing hole is arranged on the fixing frame, a driving piece for driving the cutting head to extend out of the fixing frame and cut the placing hole is arranged on the fixing frame, and the outer wall of the fixing frame is matched with the inner wall of the placing hole.

Description

Reaming cutter drill bit and drilling tool thereof

Technical Field

The utility model relates to a bore equipment technical field that digs, more specifically says, it relates to a reaming cutter drill bit and drilling tool thereof.

Background

Many ancient buildings in China have long histories, play an important role in the world building history, and have extremely high artistic achievements and scientific values. In the process of storing the historic building, the damage of man-made and natural force is caused in different degrees, wherein the most common damage is that the wall body of the historic building is cracked more, and the mode of inserting anchor rods is often adopted for reinforcing and repairing the wall body structure of the historic building. But if can carry out effectual reaming to the outer tip in the hole of placing of stock for add the area at the stock tip and be greater than the end plate that the hole aperture was placed to the stock, can promote the anchor power of stock to wall body and component greatly like this, be very good to the reinforcement of brickwork building.

Therefore, as shown in fig. 5, when drilling a hole in a hole a in which an anchor is placed in a wall, the inner wall of the hole a needs to be cut to form a hole B, so as to meet the operating requirements.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a reaming cutter drill bit reaches the hole inner wall of placing the hole of placing the stock and carries out the purpose of cutting.

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

the utility model provides a reaming cutter drill bit, includes the mount of disc, be equipped with the cutting on the mount and place the cutting head of hole pore wall, and be equipped with the driving piece that the driving cutting head extends the mount and the hole was placed in the cutting on the mount, the outer wall of mount with place the cooperation setting of downthehole wall.

Through adopting above-mentioned technical scheme, put into the mount and place downthehole back, driving piece drive cutting head cuts the inner wall of placing the hole, sets up the outer wall of mount with the cooperation of placing downthehole wall for the cutting head is rotatory along the center of placing the hole during cutting, reduces machining error, satisfies the operation requirement.

Preferably: the driving piece is including seting up on the mount and along the first spout of mount radial distribution, be equipped with the slippery long piece of being connected with first spout slides on the cutting head, the cutting head sets up the one end of keeping away from the mount center at slippery long piece, the notch that extends first spout on the slippery long piece and be equipped with the rack in the side that extends, rotate through the dwang on the mount and be connected with the first gear with rack toothing, a side that the mount deviates from first spout is equipped with drive dwang pivoted first motor.

Preferably: the fixed frame is covered at one side that is equipped with first spout and is equipped with the first protection cover that covers first gear and first spout, set up the first hole of moving out that supplies the cutting head to move out on the first protection cover.

Preferably: the driving part comprises two second sliding grooves which are arranged on the fixed frame and distributed along the radial direction of the fixed frame, the two second sliding grooves are located on the same straight line, a moving block connected with the second sliding grooves in a sliding mode is arranged on the cutting head, the cutting head is located at one end, far away from the center of the fixed frame, of the moving block, the second sliding grooves extend out of the upper end of the moving block, a threaded rod is arranged at one extending end of the second sliding grooves, the threaded rod is arranged opposite to the cutting head, the two threaded rods located on the two moving blocks are connected through rotating sleeve threads, threads on the two threaded rods are reverse threads, and a power part for driving the reverse.

Preferably: the power part comprises a driven gear sleeved on the outer wall of the rotating sleeve, a driving gear meshed with the driven gear is arranged on the fixing frame, a second motor driving the driving gear to rotate is arranged on the fixing frame, and a limiting part limiting the rotating sleeve to move along the direction of the second sliding groove is arranged on the fixing frame.

Preferably: the locating part is including setting up a plurality of dead axles on the mount and being located the both ends of rotating the sleeve along its length direction and distributing, the dead axle is established to four, and is located rotating sleeve one end have two, the cover is equipped with oval-shaped carousel on the dead axle, and when the carousel contradicts with the rotating sleeve terminal surface, threaded connection has the latch segment that compresses tightly the carousel on the mount on the dead axle.

Preferably: the fixed frame is equipped with the second safety cover of cover outside second spout and power spare in the one side that is equipped with the second spout, set up the second that supplies the cutting head to shift out on the second safety cover and move out the hole.

Another object of the utility model is to provide a reaming cutter drilling tool, including above-mentioned a reaming cutter drill bit to and the second power device who provides the turning force to the mount center.

To sum up, the utility model discloses following beneficial effect has: put into the mount and place downthehole back, driving piece drive cutting head cuts the inner wall of placing the hole, sets up the outer wall of mount with the cooperation of placing downthehole wall for the cutting head is rotatory along the center of placing the hole during cutting, reduces machining error, satisfies the operation requirement.

Drawings

FIG. 1 is a schematic structural view of example 1;

fig. 2 is a schematic structural view for embodying a rack gear of embodiment 1;

FIG. 3 is a schematic structural view of example 2;

fig. 4 is a schematic structural view for embodying the second chute of embodiment 2;

fig. 5 is a schematic structural diagram of a prior art for embodying a placing hole a and a counterbore B.

In the figure: 16. a fixed mount; 161. a cutting head; 162. a first chute; 163. sliding the long block; 164. a rack; 165. a first gear; 166. a first motor; 167. a first protective cover; 1671. a first removal aperture; 168. a second chute; 1681. a moving block; 1682. a threaded rod; 1683. rotating the sleeve; 1684. a driven gear; 1685. a driving gear; 1686. a second motor; 169. fixing a shaft; 1691. a turntable; 1692. a locking block; 1693. a second protective cover; 1694. a second removal aperture.

Detailed Description

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

A masonry reinforcement anchor rod structure comprises an anchor rod penetrating through a masonry and an end plate arranged at the end part of the anchor rod, wherein the size of the end plate is larger than the diameter of the anchor rod and larger than a placing hole for placing the anchor rod on the masonry, the placing hole is convenient for placing the anchor rod on the masonry, the placing hole penetrates through the masonry, the anchor rod penetrates into the placing hole, and a placing groove for placing the end plate is formed in the masonry; and a gap is reserved between the end plate and the bottom and the wall of the placing groove. The end plates are arranged at two ends of the anchor rod, so that when the whole anchor rod structure is arranged in the masonry, the end portion of the anchor rod is provided with the end plates to improve the anchoring force of the anchor rod, and the masonry is further reinforced by the anchor rod.

The anchor rod overcoat is equipped with the bush of taking the mesh, and the one end of bush is fixed in the one end that the anchor rod got into the wall body, and the other end is connected with the sliding block who seals the bush mouth, and on the sliding block slided and is connected the anchor rod, be equipped with one end on the sliding block and stretch into exhaust duct and the feed liquor pipe in the bush, a plurality of exhaust holes have been seted up on the exhaust duct, and exhaust duct and feed liquor pipe wear out the end plate. Inject the thick liquid into the bush gradually through exhaust duct and fluid-discharge tube for the bush is contradicted with the pore wall of placing the hole gradually, wears out exhaust duct and feed liquor pipe from the end plate, is convenient for inject the thick liquid into in the bush.

A construction method of a masonry reinforced anchor rod structure comprises the following steps,

s1, drilling a hole, namely drilling a placing hole with the diameter of d on the surface of the masonry by using a drilling tool, wherein two ends of the placing hole extend out of the surface of the masonry;

s2, reaming, namely stretching a reaming drill bit into the drilled placing hole, and cutting the end part of the placing hole into a placing groove, wherein the diameter of the placing groove is D, and D is larger than D;

s3, putting the anchor rod, the lining and the exhaust guide pipe into the placing hole, and arranging end plates at two ends or one end of the anchor rod;

s4, uniformly stirring the cement grouting material with water, and injecting the cement grouting material into the lining by using a pressure pump until the grout overflows out of the placing notch;

and S5, plugging the notch of the placing groove after the slurry is completely solidified.

S2, the construction of the placing groove in the hole expansion comprises the following steps, after S1 is processed, a circular ring-shaped hole is machined on the surface of the masonry with the placing hole by the aid of the reamer, the reamer comprises a rotating rod and a cutting pipe coaxially arranged outside the rotating rod, sawteeth used for cutting the masonry are arranged at the other end of the cutting pipe in a sealing mode at one end of the cutting pipe, the rotating rod can be fixed on a power device used for providing rotating force, the power device is such as the output end of an electric drill, then a cutter drilling tool is used for performing annular cutting on the hole wall of the placing hole to form an annular cutter hole, the cutter hole is communicated with the circular ring-shaped hole, a placing block is formed by the part cut off from the masonry by the cutter hole and the circular ring-shaped hole at the moment, and.

The placing block cut by the processing steps is a component of the original masonry, and after grouting is finished, the placing groove is plugged by the original masonry, so that the surface reducibility of the ancient building is improved. At this time, a drill is required to process the cutter hole in the placement hole.

Example 1: a reaming cutter drill bit, as shown in fig. 1 and fig. 2, comprises a disc-shaped fixing frame 16, wherein a cutting head 161 for cutting the wall of a placing hole is arranged on the fixing frame 16, the cutting head 161 can be a cutting edge with a sawtooth shape, a driving part for driving the cutting head 161 to extend out of the fixing frame 16 and cut the placing hole is arranged on the fixing frame 16, and the outer wall of the fixing frame 16 is matched with the inner wall of the placing hole.

As shown in fig. 1 and 2, after the fixing frame 16 is placed in the placing hole, the driving member drives the cutting head 161 to cut the inner wall of the placing hole, and the outer wall of the fixing frame 16 is matched with the inner wall of the placing hole, so that the cutting head 161 rotates along the center of the placing hole during cutting, machining errors are reduced, and the use requirement is met.

Referring to fig. 1 and 2, the driving member includes a first sliding slot 162 formed on the fixing frame 16 and radially distributed along the fixing frame 16, a sliding block 163 slidably connected to the first sliding slot 162 is disposed on the cutting head 161, a first limiting block is disposed on each of two sides of the sliding block 163 and enters the corresponding slot wall of the first sliding slot 162, in order to avoid the notch of slippery long piece 163 from first spout 162 to shift out, first stopper can move on the cell wall of first spout 162 along with the removal of slippery long piece 163, the one end that mount 16 center was kept away from to first spout 162 extends mount 16, cutting head 161 sets up the one end of keeping away from the mount 16 center at slippery long piece 163, the notch that slippery long piece 163 upper end extended first spout 162 and be equipped with rack 164 in the side that extends, be connected with the first gear 165 with rack 164 meshing through the dwang rotation on the mount 16, a side that mount 16 deviates from first spout 162 is equipped with drive dwang pivoted first motor 166.

As shown in fig. 1 and fig. 2, at this time, the first motor 166 drives the first gear 165 to rotate forward and backward, so as to drive the rack 164 to move back and forth along the first sliding groove 162, and further, the sliding block 163 drives the cutting head 161 to extend out of the fixed frame 16 or into the first sliding groove 162, so as to meet the use requirement.

As shown in fig. 1 and 2, the fixing frame 16 is covered with a first protecting cover 167 covering the first gear 165 and the first sliding groove 162 at a side provided with the first sliding groove 162, and a first removing hole 1671 for removing the cutting head 161 is opened on the first protecting cover 167. The first guard 167 protects the first gear 165 and the rack 164 to facilitate the engagement of the first gear 165 and the rack 164.

Example 2: the difference from embodiment 1 is that, as shown in fig. 3 and fig. 4, the driving member includes two second sliding grooves 168 that are provided on the fixed frame 16 and radially distributed along the fixed frame 16, the two second sliding grooves 168 are located on the same straight line, the cutting head 161 is provided with a moving block 1681 slidably connected to the second sliding grooves 168, two sides of the moving block 1681 are provided with second limit blocks that enter into the opposite groove walls of the second sliding grooves 168 to prevent the moving block 1681 from moving out of the notches of the second sliding grooves 168, the second limit blocks can move on the groove walls of the second sliding grooves 168 along with the movement of the moving block 1681, the cutting head 161 is located at one end of the moving block 1681 away from the center of the fixed frame 16, the two second sliding grooves 168 extend out of the fixed frame 16 at one end away from the center of the fixed frame 16, the upper end of the moving block 1681 extends out of the notches of the second sliding grooves 168, and the, two threaded rods 1682 on the two moving blocks 1681 are in threaded connection through a rotating sleeve 1683, the threads on the two threaded rods 1682 are reverse threads, and a power part for driving the reverse threads to rotate is arranged on the fixed frame 16.

As shown in fig. 3 and 4, the rotating sleeve 1683 is rotated by applying a rotational force to the rotating sleeve 1683 by the power member, and when the rotating sleeve 1683 is rotated, the two threaded rods 1682 are moved in opposite directions or in a direction approaching each other, thereby facilitating the movement of the cutting head 161 out of the holder 16 or into the holder 16.

As shown in fig. 3 and 4, the power member includes a driven gear 1684 sleeved on an outer wall of the rotating sleeve 1683, the driven gear 1684 is fixedly connected to the rotating sleeve 1683, and a gap is formed between the driven gear 1684 and the fixing frame 16, so as to facilitate the rotation of the driven gear 1684, a driving gear 1685 engaged with the driven gear 1684 is disposed on the fixing frame 16, a second motor 1686 for driving the driving gear 1685 to rotate is disposed on the fixing frame 16, and a limiting member for limiting the rotating sleeve 1683 to move along the direction of the second sliding slot 168 is disposed on the fixing frame 16. The limit stop limits the position of the rotating sleeve 1683 to facilitate rotation of the rotating sleeve 1683 and to improve stability of engagement with the driving gear 1685. When the second motor 1686 drives the driving gear 1685 to rotate, the driving gear 1685 drives the driven gear 1684 to rotate, and further drives the rotating sleeve 1683 to rotate.

As shown in fig. 3 and 4, the limiting member includes a plurality of fixed shafts 169 disposed on the fixing frame 16 and located at two ends of the rotating sleeve 1683 along the length direction thereof, the number of the fixed shafts 169 is four, and there are two fixed shafts located at one end of the rotating sleeve 1683, at this time, the four fixed shafts 169 are respectively disposed in pairs near the end surfaces of two sides of the rotating sleeve 1683, an oval turntable 1691 is sleeved on the fixed shafts 169, and when the turntable 1691 is rotated to make the turntable 1691 collide with the end surface of the rotating sleeve 1683, a locking block 1692 for pressing the turntable 1691 on the fixing frame 16 is threadedly connected to the fixed shafts 169. The locking piece 1692 now limits the position of the turntable 1691 so that the turntable 1691 limits the movement of the rotary sleeve 1683 along the length of the second runner 168.

As shown in fig. 3 and 4, the fixing frame 16 is provided with a second protecting cover 1693 covering the second sliding slot 168 and the power member at the side provided with the second sliding slot 168, and the second protecting cover 1693 is provided with a second removing hole 1694 for removing the cutting head 161. Second protective cover 1693 protects the power member, extends the useful life of the power member, and facilitates movement of movable block 1681 within second runner 168.

Example 3: a reaming cutter drill comprising the above embodiment 1 or embodiment 2 and a second power means for providing a rotational force to the center of the holder 16.

Cutter drilling tool includes the mount 16 of disc and provides the second power device of the turning force to mount 16 center in the construction step of placing the groove in the reaming, and second power device can be like the output of electric drill, but is not limited to this, is equipped with the cutting head 161 that the hole pore wall was placed in the cutting on the mount 16, and is equipped with the driving piece that the hole was placed in the cutting extended mount 16 and cutting on the mount 16, mount 16's outer wall with place the hole inner wall cooperation setting, the circular ring shape hole with place the coaxial setting of hole.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a reaming cutter drill bit, its characterized in that, includes mount (16) of disc, be equipped with cutting head (161) of placing the hole pore wall in the cutting on mount (16), and be equipped with drive cutting head (161) on mount (16) and extend mount (16) and the cutting driving piece of placing the hole, the outer wall of mount (16) with place the cooperation setting of hole inner wall.

2. A reaming cutter drill bit according to claim 1, characterized in that: the driving piece is including offering on mount (16) and along first spout (162) of mount (16) radial distribution, be equipped with on cutting head (161) and slide slippery long piece (163) of being connected with first spout (162), cutting head (161) set up the one end of keeping away from mount (16) center at slippery long piece (163), the notch that slippery long piece (163) upper end extended first spout (162) and be equipped with rack (164) in the side that extends, be connected with first gear (165) with rack (164) meshing through the dwang rotation on mount (16), a side that mount (16) deviates from first spout (162) is equipped with drive dwang pivoted first motor (166).

3. A reaming cutter drill bit according to claim 2, characterized in that: the fixing frame (16) is provided with a first protective cover (167) covering the first gear (165) and the first sliding groove (162) on one side provided with the first sliding groove (162), and a first moving hole (1671) for moving out the cutting head (161) is formed in the first protective cover (167).

4. A reaming cutter drill bit according to claim 1, characterized in that: the driving piece comprises two second sliding chutes (168) which are arranged on the fixed frame (16) and are distributed along the radial direction of the fixed frame (16), the two second sliding chutes (168) are positioned on the same straight line, a moving block (1681) connected with the second sliding groove (168) in a sliding way is arranged on the cutting head (161), the cutting head (161) is positioned at one end of the moving block (1681) far away from the center of the fixed frame (16), a second sliding groove (168) extends from the upper end of the moving block (1681), and a threaded rod (1682) is arranged at one end extending out of the fixed frame (16), the threaded rod (1682) is arranged opposite to the cutting head (161), the two threaded rods (1682) on the two moving blocks (1681) are in threaded connection through a rotating sleeve (1683), threads on the two threaded rods (1682) are reverse threads, and a power part for driving the reverse threads to rotate is arranged on the fixed frame (16).

5. A reaming cutter drill bit according to claim 4, characterized in that: the power part comprises a driven gear (1684) sleeved on the outer wall of the rotating sleeve (1683), a driving gear (1685) meshed with the driven gear (1684) is arranged on the fixing frame (16), a second motor (1686) driving the driving gear (1685) to rotate is arranged on the fixing frame (16), and a limiting part limiting the rotating sleeve (1683) to move along the direction of the second sliding groove (168) is arranged on the fixing frame (16).

6. A reaming cutter drill bit according to claim 5, characterized in that: the locating part is including setting up a plurality of dead axles (169) that just are located rotating sleeve (1683) and distribute along its length direction's both ends on mount (16), dead axle (169) are established to four, and are located rotating sleeve (1683) one end have two, the cover is equipped with oval-shaped carousel (1691) on dead axle (169), when carousel (1691) contradicts with rotating sleeve (1683) terminal surface, threaded connection has latch segment (1692) that compresses tightly carousel (1691) on mount (16) on dead axle (169).

7. A reaming cutter drill bit according to claim 4, 5 or 6, characterized in that: the fixed frame (16) is provided with a second protective cover (1693) covering the second sliding groove (168) and the power part on one side provided with the second sliding groove (168), and a second moving-out hole (1694) for moving out the cutting head (161) is formed in the second protective cover (1693).

8. A reaming cutter drill bit, characterized by comprising a reaming cutter drill bit according to any one of claims 1 to 7, and a second power means for providing a rotational force to the centre of the holder (16).