A kind of road equipment installs drilling device with deceleration strip
Technical field
The present invention relates to a kind of drilling device, more particularly to a kind of road equipment to install drilling device with deceleration strip.
Background technology
Means of transportation refer to ensure safety the track that normal operation sets for Traffic Systems, including tunnel, overhead
The facilities such as road, station, ventilation booth, electromechanical equipment, electric power system, signal of communication.Setting of the means of transportation in city be for
Try to forestall traffic accidents, ensure traffic pleasantly.
, it is necessary to first drill when deceleration strip is installed, deceleration strip could be installed, existing deceleration strip installs drilling device
There are drilling effect is poor, consumption manpower, drill bit is easy to wear the shortcomings that, therefore a kind of drilling effect is good, saves people there is an urgent need for researching and developing
Power, drill bit do not allow road equipment easy to wear to install drilling device with deceleration strip.
The content of the invention
(1)Technical problems to be solved
The present invention in order to overcome existing deceleration strip installation drilling device there are drilling effect it is poor, consume manpower, drill bit is easily ground
The shortcomings that damage, the technical problem to be solved in the present invention is to provide a kind of drilling effect it is good, save manpower, drill bit do not allow it is easy to wear
Road equipment installs drilling device with deceleration strip.
(2)Technical solution
In order to solve the above technical problem, the present invention provides such a road equipment deceleration strip to install drilling device, bag
Bottom plate, wheel, babinet, lifting gear and drilling equipment are included, bottom base plate surrounding is provided with wheel, the connection of bottom plate crown center
There is babinet, be provided with opening in the middle part of the bottom of box and bottom plate, babinet internal upper part is equipped with lifting gear, the pressing component of lifting gear
At the top of outside babinet, drilling equipment is installed on the lifting part of lifting gear, the wellbore part of drilling equipment passes through opening.
Preferably, lifting gear includes compression bar, the first in command, slide, sliding block, riser, connecting plate and the first spring, babinet
The interior left and right sides is vertically-mounted a slide, and slidingtype is equipped with two sliding blocks on slide, the sliding block on the right side of the sliding block on the left side and the right
Left side is respectively connected with riser, and connecting plate is connected between two pieces of risers, and left and right is symmetrically connected with the first spring, the first bullet at the top of connecting plate
Spring top is connected with babinet inner top, and through hole is provided among casing top, and compression bar, compression bar bottom and connecting plate top are equipped with through hole
Centre connection, compression bar top is connected with the first in command.
Preferably, drilling equipment includes motor, the first L-type plate, bearing block, bull stick, drill chuck and drill bit, connecting plate bottom
Centre is provided with motor and the first L-type plate, and motor is located in the first L-type plate, and the first L-type plate bottom is provided with bearing block, bearing
The output axis connection of bull stick, bull stick top and motor is connected with seat, bull stick bottom passes through opening, and bull stick bottom is connected with drill point
Head, is provided with drill bit in drill chuck.
Preferably, air jet system has been further included, the riser lower right side on the left side is provided with air jet system, and air jet system includes
There are cam, compression cylinder, piston, pressing plate, second spring, one-way cock and tracheae, bull stick top is connected with cam, the riser on the left side
Lower right side is provided with compression cylinder, and piston is equipped with compression cylinder, and piston right side is symmetrical above and below to be connected with second spring, second spring
Right side be connected in right end and compression cylinder, on the right side of piston among is connected with pressing plate, compression cylinder is pierced by the right side of pressing plate simultaneously and cam contact,
Compression cylinder is all connected with one-way cock in both sides up and down, tracheae is connected with the one-way cock of compression cylinder bottom, tracheae end passes through
In the middle part of the bottom of box and bottom plate and it is located at drill bit upper left side, tracheae end is directed at drill bit.
Preferably, further included water injector, water injector include water tank, lid, the second in command, water pump, water pipe and
First valve, the bottom plate top leftmost side are equipped with water tank, and bottom is equipped with water pump in water tank, and water pipe, water pipe tail end are connected with water pump
Connected through water tank left lower and with tracheae end, the first valve is installed on water pipe, tank top is equipped with lid, lid top
Portion is connected with the second in command.
Preferably, the second L-type plate and nozzle have been further included, the second L-type plate, the second L-type plate are connected among bottom base plate
Positioned at drill bit upper left side, the second L-type plate lower right side is hingedly connected with nozzle, and nozzle is fixedly connected with tracheae end.
Preferably, baffle and screw rod have been further included, compression bar top slidingtype is equipped with baffle, and baffle is provided with screw thread among right side
Hole, movable in threaded hole to be equipped with screw rod, screw rod coordinates with threaded hole.
Operation principle:When needing to use the present invention, the present invention is moved to designated position by operating personnel, restarts drilling
The driving part work of device, drives the wellbore part of drilling equipment to rotate, and at this time, operating personnel slowly press downwards lifting dress
Put, the wellbore part of drilling equipment is slowly moved down, drill.After drilling, lifting gear is unclamped, is filled in lifting
Under the action of the elasticity part put, the wellbore part of drilling equipment resets upwards, after reset, closes the drive division of drilling equipment
Part.
Because lifting gear includes compression bar, the first in command, slide, sliding block, riser, connecting plate and the first spring, in babinet
The left and right sides is vertically-mounted a slide, and slidingtype is equipped with two sliding blocks on slide, and the sliding block on the right side of the sliding block on the left side and the right is left
Side is respectively connected with riser, and connecting plate is connected between two pieces of risers, and left and right is symmetrically connected with the first spring, the first spring at the top of connecting plate
Top is connected with babinet inner top, is provided with through hole among casing top, is equipped with compression bar in through hole, compression bar bottom with connecting plate top
Between connect, compression bar top is connected with the first in command.Operating personnel hold the first in command and slowly press downwards, drive compression bar slowly to
Lower movement, drives connecting plate slowly to move down, drives the wellbore part of drilling equipment slowly to move down, drill.Drilling
After, the first in command is unclamped, under the action of the first spring, the wellbore part of drilling equipment resets upwards.
Because drilling equipment includes motor, the first L-type plate, bearing block, bull stick, drill chuck and drill bit, in connecting plate bottom
Between motor and the first L-type plate are installed, motor is located in the first L-type plate, and the first L-type plate bottom is provided with bearing block, bearing block
The output axis connection of bull stick, bull stick top and motor is inside connected with, bull stick bottom passes through opening, and bull stick bottom is connected with drill point
Head, is provided with drill bit in drill chuck.Start motor to rotate counterclockwise, drive bull stick to rotate counterclockwise, drill bit turns counterclockwise therewith
Dynamic, at this time, operating personnel hold the first in command and slowly press downwards, drive drill bit slowly to move down, drill.Drill
Bi Hou, unclamps the first in command, under the action of the first spring, drill bit resets upwards.
Because having further included air jet system, the riser lower right side on the left side is provided with air jet system, and air jet system includes
Cam, compression cylinder, piston, pressing plate, second spring, one-way cock and tracheae, bull stick top are connected with cam, and the riser on the left side is right
Side lower part is provided with compression cylinder, and piston is equipped with compression cylinder, and piston right side is symmetrical above and below to be connected with second spring, and second spring is right
End be connected with right side in compression cylinder, on the right side of piston among is connected with pressing plate, compression cylinder is pierced by the right side of pressing plate simultaneously and cam contact, is pressed
Contracting cylinder is all connected with one-way cock in both sides up and down, tracheae is connected with the one-way cock of compression cylinder bottom, tracheae end passes through case
In the middle part of body bottom and bottom plate and it is located at drill bit upper left side, tracheae end is directed at drill bit.When initial, second spring, which is in, opens shape
State, when motor rotate counterclockwise drive bull stick rotate counterclockwise when, band moving cam rotate counterclockwise, when cam projection portion with
When pressing plate departs from, under the action of second spring, pressing plate moves right, and band piston moves right, by gas inspiration compression cylinder
Interior, when the projection portion of cam is contacted with pressing plate, pressing plate is moved to the left, and band piston is moved to the left, the gas in compression cylinder
Sprayed, be sprayed on drill bit by tracheae, so as to which remaining debris after drilling is blown away.
Because having further included water injector, water injector includes water tank, lid, the second in command, water pump, water pipe and first
Valve, the bottom plate top leftmost side are equipped with water tank, and bottom is equipped with water pump in water tank, water pipe is connected with water pump, water pipe tail end passes through
Water tank left lower is simultaneously connected with tracheae end, and the first valve is provided with water pipe, and tank top is equipped with lid, and cap top connects
It is connected to the second in command.Operating personnel take away lid, then water is poured into water tank, after good, then lid are put back to original position, this
When, operating personnel open the first valve, then start pump working, and the water of water tank is sprayed by water pipe, is sprayed on drill bit, so that
The temperature of drill bit can be reduced, makes drill bit not easy to wear.After cooling has been got well, switch off the pump and the first valve.
Because having further included the second L-type plate and nozzle, the second L-type plate is connected among bottom base plate, the second L-type plate is located at
Drill bit upper left side, the second L-type plate lower right side are hingedly connected with nozzle, and nozzle is fixedly connected with tracheae end.Operating personnel can
Nozzle is held to cool down to whole drill bit.
Because having further included baffle and screw rod, compression bar top slidingtype is equipped with baffle, and baffle is provided with threaded hole among right side,
Movable in threaded hole to be equipped with screw rod, screw rod coordinates with threaded hole.When initial, screw rod is in loosening state, and operating personnel can root
According to the position of the depth adjustment baffle of drilling, after adjusting suitable position, screw rod is tightened, baffle is fixed.
(3)Beneficial effect
The present invention is worked by starting drilling equipment, presses lifting gear still further below, makes the wellbore part of drilling equipment to moving down
It is dynamic, drill, so as to reach easy to operate, drill bit is not easy to wear, labor-saving effect.
Brief description of the drawings
Fig. 1 is the schematic cross-sectional view of the first front view of the present invention.
Fig. 2 is the schematic cross-sectional view of second of front view of the present invention.
Fig. 3 is the schematic cross-sectional view of the third front view of the present invention.
Fig. 4 is the schematic cross-sectional view of the 4th kind of front view of the present invention.
Mark in attached drawing for:1- bottom plates, 2- wheels, 3- babinets, 4- openings, 5- lifting gears, 51- through holes, 52- pressures
Bar, the 53- first in command, 54- slides, 55- sliding blocks, 56- risers, 57- connecting plates, the first springs of 58-, 6- drilling equipments, 61- electricity
Machine, 62- the first L-type plates, 63- bearing blocks, 64- bull sticks, 65- drill chucks, 66- drill bits, 7- air jet systems, 71- cams, 72- pressures
Contracting cylinder, 73- pistons, 74- pressing plates, 75- second springs, 76- one-way cocks, 77- tracheaes, 8- water injectors, 81- water tanks, 82- lids
Son, the 83- second in command, 84- water pumps, 85- water pipes, the first valves of 86-, 9- the second L-type plates, 10- nozzles, 11- baffles, 12- spiral shells
Pit, 13- screw rods.
Embodiment
The present invention is further illustrated with reference to the accompanying drawings and examples.
Embodiment 1
A kind of road equipment installs drilling device with deceleration strip, as shown in Figs 1-4, includes bottom plate 1, wheel 2, babinet 3, lifting
Device 5 and drilling equipment 6,1 bottom surrounding of bottom plate are provided with wheel 2, and 1 crown center of bottom plate is connected with babinet 3,3 bottom of babinet
Opening 4 is provided with the middle part of bottom plate 1,3 internal upper part of babinet is equipped with lifting gear 5, and the pressing component of lifting gear 5 is located at babinet 3
Outer top, is provided with drilling equipment 6 on the lifting part of lifting gear 5, the wellbore part of drilling equipment 6 passes through opening 4.
Embodiment 2
A kind of road equipment installs drilling device with deceleration strip, as shown in Figs 1-4, includes bottom plate 1, wheel 2, babinet 3, lifting
Device 5 and drilling equipment 6,1 bottom surrounding of bottom plate are provided with wheel 2, and 1 crown center of bottom plate is connected with babinet 3,3 bottom of babinet
Opening 4 is provided with the middle part of bottom plate 1,3 internal upper part of babinet is equipped with lifting gear 5, and the pressing component of lifting gear 5 is located at babinet 3
Outer top, is provided with drilling equipment 6 on the lifting part of lifting gear 5, the wellbore part of drilling equipment 6 passes through opening 4.
Lifting gear 5 includes compression bar 52, the first in command 53, slide 54, sliding block 55, riser 56,57 and first bullet of connecting plate
Spring 58, the left and right sides is vertically-mounted in babinet 3 slide 54, and slidingtype is equipped with two sliding blocks 55, the sliding block on the left side on slide 54
The left side of sliding block 55 on 55 right sides and the right is respectively connected with riser 56, and connecting plate 57, the top of connecting plate 57 are connected between two pieces of risers 56
Symmetrical to be connected with the first spring 58,58 top of the first spring is connected with 3 inner top of babinet, and 3 crown center of babinet is provided with logical
Hole 51, through hole 51 is interior to be equipped with compression bar 52, and 52 bottom of compression bar is connected with 57 crown center of connecting plate, and 52 top of compression bar is connected with the first
Hand 53.
Embodiment 3
A kind of road equipment installs drilling device with deceleration strip, as shown in Figs 1-4, includes bottom plate 1, wheel 2, babinet 3, lifting
Device 5 and drilling equipment 6,1 bottom surrounding of bottom plate are provided with wheel 2, and 1 crown center of bottom plate is connected with babinet 3,3 bottom of babinet
Opening 4 is provided with the middle part of bottom plate 1,3 internal upper part of babinet is equipped with lifting gear 5, and the pressing component of lifting gear 5 is located at babinet 3
Outer top, is provided with drilling equipment 6 on the lifting part of lifting gear 5, the wellbore part of drilling equipment 6 passes through opening 4.
Lifting gear 5 includes compression bar 52, the first in command 53, slide 54, sliding block 55, riser 56,57 and first bullet of connecting plate
Spring 58, the left and right sides is vertically-mounted in babinet 3 slide 54, and slidingtype is equipped with two sliding blocks 55, the sliding block on the left side on slide 54
The left side of sliding block 55 on 55 right sides and the right is respectively connected with riser 56, and connecting plate 57, the top of connecting plate 57 are connected between two pieces of risers 56
Symmetrical to be connected with the first spring 58,58 top of the first spring is connected with 3 inner top of babinet, and 3 crown center of babinet is provided with logical
Hole 51, through hole 51 is interior to be equipped with compression bar 52, and 52 bottom of compression bar is connected with 57 crown center of connecting plate, and 52 top of compression bar is connected with the first
Hand 53.
Drilling equipment 6 includes motor 61, the first L-type plate 62, bearing block 63, bull stick 64, drill chuck 65 and drill bit 66, even
61 and first L-type plate 62 of motor is installed, motor 61 is located in the first L-type plate 62,62 bottom of the first L-type plate among 57 bottom of plate
Bearing block 63 is installed, bull stick 64,64 top of bull stick and the output axis connection of motor 61,64 bottom of bull stick are connected with bearing block 63
End is connected with drill chuck 65, drill bit 66 is provided with drill chuck 65 through opening 4,64 bottom of bull stick.
Embodiment 4
A kind of road equipment installs drilling device with deceleration strip, as shown in Figs 1-4, includes bottom plate 1, wheel 2, babinet 3, lifting
Device 5 and drilling equipment 6,1 bottom surrounding of bottom plate are provided with wheel 2, and 1 crown center of bottom plate is connected with babinet 3,3 bottom of babinet
Opening 4 is provided with the middle part of bottom plate 1,3 internal upper part of babinet is equipped with lifting gear 5, and the pressing component of lifting gear 5 is located at babinet 3
Outer top, is provided with drilling equipment 6 on the lifting part of lifting gear 5, the wellbore part of drilling equipment 6 passes through opening 4.
Lifting gear 5 includes compression bar 52, the first in command 53, slide 54, sliding block 55, riser 56,57 and first bullet of connecting plate
Spring 58, the left and right sides is vertically-mounted in babinet 3 slide 54, and slidingtype is equipped with two sliding blocks 55, the sliding block on the left side on slide 54
The left side of sliding block 55 on 55 right sides and the right is respectively connected with riser 56, and connecting plate 57, the top of connecting plate 57 are connected between two pieces of risers 56
Symmetrical to be connected with the first spring 58,58 top of the first spring is connected with 3 inner top of babinet, and 3 crown center of babinet is provided with logical
Hole 51, through hole 51 is interior to be equipped with compression bar 52, and 52 bottom of compression bar is connected with 57 crown center of connecting plate, and 52 top of compression bar is connected with the first
Hand 53.
Drilling equipment 6 includes motor 61, the first L-type plate 62, bearing block 63, bull stick 64, drill chuck 65 and drill bit 66, even
61 and first L-type plate 62 of motor is installed, motor 61 is located in the first L-type plate 62,62 bottom of the first L-type plate among 57 bottom of plate
Bearing block 63 is installed, bull stick 64,64 top of bull stick and the output axis connection of motor 61,64 bottom of bull stick are connected with bearing block 63
End is connected with drill chuck 65, drill bit 66 is provided with drill chuck 65 through opening 4,64 bottom of bull stick.
Air jet system 7 is further included, 56 lower right side of riser on the left side is provided with air jet system 7, and air jet system 7 includes
Cam 71, compression cylinder 72, piston 73, pressing plate 74, second spring 75, one-way cock 76 and tracheae 77,64 top of bull stick are connected with
Cam 71,56 lower right side of riser on the left side are provided with compression cylinder 72, piston 73 are equipped with compression cylinder 72, the right side of piston 73 is up and down
Second spring 75 is symmetrically connected with, 75 right end of second spring is connected with right side in compression cylinder 72, and piston 73 is connected among right side
Pressing plate 74, the right side of pressing plate 74 are pierced by compression cylinder 72 and are contacted with cam 71, and compression cylinder is all connected with one-way cock in both sides about 72
76, it is connected with tracheae 77 on the one-way cock 76 of 72 bottom of compression cylinder, 77 end of tracheae is through 3 bottom of babinet and the middle part of bottom plate 1
And it is located at 66 upper left side of drill bit, 77 end of tracheae alignment drill bit 66.
Water injector 8 is further included, water injector 8 includes water tank 81, lid 82, the second in command 83, water pump 84, water pipe
85 and first valve 86, the 1 top leftmost side of bottom plate be equipped with water tank 81, bottom is equipped with water pump 84 in water tank 81, is connected on water pump 84
There is water pipe 85,85 tail end of water pipe is connected through 81 left lower of water tank and with 77 end of tracheae, and the first valve is provided with water pipe 85
Door 86, the top of water tank 81 are equipped with lid 82, and the top of lid 82 is connected with the second in command 83.
The second L-type plate 9 and nozzle 10 have been further included, the second L-type plate 9, the second L-type plate 9 are connected among 1 bottom of bottom plate
In 66 upper left side of drill bit, 9 lower right side of the second L-type plate is hingedly connected with nozzle 10, and nozzle 10 is fixedly connected with 77 end of tracheae.
Baffle 11 and screw rod 13 are further included, 52 top slidingtype of compression bar is equipped with baffle 11, and baffle 11 is provided among right side
Threaded hole 12, movable in threaded hole 12 to be equipped with screw rod 13, screw rod 13 coordinates with threaded hole 12.
Operation principle:When needing to use the present invention, the present invention is moved to designated position by operating personnel, restarts drilling
The driving part work of device 6, drives the wellbore part of drilling equipment 6 to rotate, at this time, operating personnel slowly press downwards lifting
Device 5, makes the wellbore part of drilling equipment 6 slowly move down, drills.After drilling, lifting gear 5 is unclamped,
Under the action of the elasticity part of lifting gear 5, the wellbore part of drilling equipment 6 resets upwards, after reset, closes drilling equipment 6
Driving part.
Because lifting gear 5 includes compression bar 52, the first in command 53, slide 54, sliding block 55, riser 56, connecting plate 57 and
One spring 58, the left and right sides is vertically-mounted in babinet 3 slide 54, and slidingtype is equipped with two sliding blocks 55 on slide 54, the left side
The left side of sliding block 55 on the right side of sliding block 55 and the right is respectively connected with riser 56, and connecting plate 57, connecting plate 57 are connected between two pieces of risers 56
Top or so is symmetrically connected with the first spring 58, and 58 top of the first spring is connected with 3 inner top of babinet, and 3 crown center of babinet is opened
There is a through hole 51, compression bar 52 is equipped with through hole 51,52 bottom of compression bar is connected with 57 crown center of connecting plate, and 52 top of compression bar is connected with the
Leader 53.Operating personnel hold the first in command 53 and slowly press downwards, drive compression bar 52 slowly to move down, and drive connecting plate 57
Slowly move down, drive the wellbore part of drilling equipment 6 slowly to move down, drill.After drilling, first is unclamped
Handle 53, under the action of the first spring 58, the wellbore part of drilling equipment 6 resets upwards.
Because drilling equipment 6 includes motor 61, the first L-type plate 62, bearing block 63, bull stick 64, drill chuck 65 and drill bit
66,61 and first L-type plate 62 of motor is installed among 57 bottom of connecting plate, motor 61 is located in the first L-type plate 62, the first L-type plate
62 bottoms are provided with bearing block 63, and bull stick 64,64 top of bull stick and the output axis connection of motor 61 are connected with bearing block 63, is turned
64 bottom of bar passes through opening 4, and 64 bottom of bull stick is connected with drill chuck 65, drill bit 66 is provided with drill chuck 65.Start motor 61
Rotate counterclockwise, drive bull stick 64 to rotate counterclockwise, drill bit 66 rotates counterclockwise therewith, and at this time, operating personnel hold the first
Hand 53 is slowly pressed downwards, is driven drill bit 66 slowly to move down, is drilled.After drilling, the first in command 53 is unclamped,
Under the action of first spring 58, drill bit 66 resets upwards.
Because having further included air jet system 7,56 lower right side of riser on the left side is provided with air jet system 7, and air jet system 7 wraps
Cam 71, compression cylinder 72, piston 73, pressing plate 74, second spring 75, one-way cock 76 and tracheae 77 are included, 64 top of bull stick connects
Cam 71 is connected to, 56 lower right side of riser on the left side is provided with compression cylinder 72, and piston 73, the right side of piston 73 are equipped with compression cylinder 72
Symmetrical above and below to be connected with second spring 75,75 right end of second spring is connected with right side in compression cylinder 72, and piston 73 connects among right side
Pressing plate 74 is connected to, the right side of pressing plate 74 is pierced by compression cylinder 72 and is contacted with cam 71, and compression cylinder is all connected with unidirectionally both sides about 72
Valve 76, is connected with tracheae 77 on the one-way cock 76 of 72 bottom of compression cylinder, 77 end of tracheae passes through 3 bottom of babinet and bottom plate 1
Middle part is simultaneously located at 66 upper left side of drill bit, 77 end of tracheae alignment drill bit 66.When initial, second spring 75 is in open configuration, when
Motor 61, which rotates counterclockwise, drives bull stick 64 when rotating counterclockwise, and band moving cam 71 rotates counterclockwise, when the lug boss of cam 71
When dividing with the disengaging of pressing plate 74, under the action of second spring 75, pressing plate 74 moves right, and band piston 73 moves right, by gas
In body inspiration compression cylinder 72, when the projection portion of cam 71 is contacted with pressing plate 74, pressing plate 74 is moved to the left, band piston 73 to
Move left, the gas in compression cylinder 72 is sprayed by tracheae 77, is sprayed on drill bit 66, so as to which remaining debris after drilling is blown
Walk.
Because having further included water injector 8, water injector 8 include water tank 81, lid 82, the second in command 83, water pump 84,
85 and first valve 86 of water pipe, the 1 top leftmost side of bottom plate are equipped with water tank 81, and bottom is equipped with water pump 84 in water tank 81, on water pump 84
It is connected with water pipe 85,85 tail end of water pipe is connected through 81 left lower of water tank and with 77 end of tracheae, and the is provided with water pipe 85
One valve 86, the top of water tank 81 are equipped with lid 82, and the top of lid 82 is connected with the second in command 83.Operating personnel take lid 82
Open, then water is poured into water tank 81, after good, then lid 82 put back to original position, at this time, operating personnel open the first valve 86,
Then start water pump 84 to work, the water of water tank 81 is sprayed by water pipe 85, is sprayed on drill bit 66, so as to reduce the temperature of drill bit 66
Degree, makes drill bit 66 not easy to wear.After cooling has been got well, switch off the pump 84 and first valve 86.
Because having further included the second L-type plate 9 and nozzle 10, the second L-type plate 9, the second L-type are connected among 1 bottom of bottom plate
Plate 9 is located at 66 upper left side of drill bit, and 9 lower right side of the second L-type plate is hingedly connected with nozzle 10, and nozzle 10 is fixed with 77 end of tracheae
Connection.Operating personnel can hold nozzle 10 and cool down to whole drill bit 66.
Because having further included baffle 11 and screw rod 13,52 top slidingtype of compression bar is equipped with baffle 11, and the right side of baffle 11 is middle
It is provided with threaded hole 12, movable in threaded hole 12 to be equipped with screw rod 13, screw rod 13 coordinates with threaded hole 12.When initial, at screw rod 13
In the state of loosening, operating personnel after adjusting suitable position, can tighten screw rod according to the position of the depth adjustment baffle 11 of drilling
13, baffle 11 is fixed.
Embodiment described above only expresses the preferred embodiment of the present invention, its description is more specific and detailed, but simultaneously
Therefore the limitation to the scope of the claims of the present invention cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, some deformations can also be made, improves and substitutes, these belong to this hair
Bright protection domain.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.