A kind of track-mounted drill
The present invention relates to a kind of drilling construction equipment, more particularly to a kind of track-mounted drill.
Rotary drilling rig is a kind of construction machinery of pore-forming operation in suitable building foundation engineering.It is primarily adapted for use in sand, sticks
Property the soil layers construction such as soil, slity soil, extensively should be obtained in a variety of foundation basic constructions such as bored concrete pile, diaphragm wall, strengthening of foundation
With.Spiral digging machine pore-forming is that the walking function had by oneself by drilling machine and mast jib lubbing mechanism make drilling tool be rapidly reached stake position first, profit
Lowering drill pipes being oriented to mast, hosqe bit of the bottom with valve being placed to hole position, drill power head device provides for drilling rod
Plus-pressure is passed to drilling rod, drill bit by torque, pressue device by way of the power head that pressurizes, and bit convolution crushes ground, and
It is directly loaded into drill bit, soil then will be unloaded outside drill bit proposition hole by drilling machine lifting device and telescopic drill rod again, so followed
Ring is reciprocal, constantly fetches earth, unloads soil, until getting into design hole depth.
Publication No. CN101135171, the applying date disclose a kind of crawler type electricity in August, 2007 Chinese patent of 24 days
Dynamic rotary drill, including crawler body, becomes electric-control system, rack device of getting on the bus, electric unit head device, drilling tool assembly, mast
Assembly, support rod mechanism, hydraulic system, motor winding plant, generating set, the Spiral digging machine use crawler-type traveling chassis, carry out
Band chassis is connected by crossbeam with rack device of getting on the bus, and hydraulic system is mounted in the middle part of rack device of getting on the bus, rack device of getting on the bus portion to the rear
Equipped with electronic master winch device, and pass through transmission device and be connected with drilling rod, and get on the bus behind master winch device equipped with generating set
Rack device front end is equipped with mast assembly, and passes through support rod mechanism and be supported and fixed on and get on the bus on rack device, and drilling tool assembly is mounted on mast
On bar assembly, and it can be moved up and down by mast；Drilling tool assembly passes through electric unit head device, and provided by torque.
It is in place of the deficiencies in the prior art, when drilling machine carries out boring work, the shaking force of generation can make its drilling machine
Whole that certain deviation occurs, especially under the not so good environment of geology, drilling machine meeting offset distance can accordingly increase, and make its drilling rod
It can deviate therewith in the borehole, its drilling is not only made to deviate set drill center, hole wall is not straight, and then increases resistance, hole wall
It is influenced and is destroyed by drill pipe wobbling, and then influence its drilling efficiency.
The content of the invention
The object of the present invention is to provide a kind of track-mounted drills, have and adjust drilling rod with respect to vehicle body distance, are bored so as to reduce
Bar bias probability, to ensure that hole wall is complete, improve drilling efficiency the advantages of.
The present invention above-mentioned technical purpose technical scheme is that：
A kind of track-mounted drill, including vehicle body and drilling tool assembly, the vehicle body includes control room, underbody seat and crawler-type traveling
Mechanism, the drilling tool assembly include bottom frame, the opposite bottom frame supporting rack overturn and the reduction box being arranged on supporting rack, slow down
Drilling rod is connected on case, reduction box by lifting gear drives edge supporting rack upper and lower displacement, it is characterized in that：It is opened in the underbody seat
Equipped with the sliding groove moved forward and backward for bottom frame, it is in convex to slide slot cross-section, and driving bottom frame is additionally provided in underbody seat and is moved forward and backward
Using the above structure, /V carries out bottom frame by the sliding groove opened up in underbody seat, and then is filled in screw rod transmission
Under the activation force put, bottom frame is driven to be moved forward and backward along underbody seat, can be finely adjusted, made according to drilling rod offset distance
Its drilling rod can be always maintained to the full extent with the concentric degree of required drilling, the eccentric probability of drilling rod is reduced, to ensure hole wall
Completely, drilling efficiency is improved.
Further preferably：The spindle gear include two screws being arranged in parallel along sliding groove length direction, two
Screw is inserted in bottom frame both sides and respectively with bottom frame thread fitting, screw both sides are rotatablely connected with underbody seat and pass through a drive respectively
Motivation structure drives rotation.
Using the above structure, by driving mechanism drive screw rotate, the thread fitting active force of screw and bottom frame with
And sliding groove is under the position-limiting action of bottom frame, driving bottom frame is moved forward and backward with respect to underbody seat, so as to adjust the position of drilling rod；And then
It is acted on by the thread fitting of screw and bottom frame, it is made to possess auto-lock function, bottom frame can be locked, when enhancing drilling rod drills
Further preferably：The driving mechanism include being individually fixed in worm gear on screw and one simultaneously with two worm gears
The worm screw of engagement, worm screw is rotationally connected in underbody seat and one end is connected with driving motor, and two wire rod thread directions are identical.
Using the above structure, by driving motor worm screw is driven to rotate, and then under the engaging force of worm and wheel,
Worm gear is driven to be rotated with screw, so as to fulfill the displacement of bottom frame is driven；It then, can be the bottom of by by the auto-lock function of worm and gear
What frame was more stablized is fixed on any position, stability when enhancing drilling rod drills.
Further preferably：Described worm screw one end extends to outside underbody seat and is connected with driving wheel one, the driving motor
It is fixed in underbody seat and driving wheel two is connected in drive shaft, by a transmission belt coiling in driving wheel one and driving wheel two
On, the driving wheel two is 4 with one outer diameter ratio of driving wheel:1.
Using the above structure, driving motor drives driving wheel two to rotate, and under the interlink function of transmission belt, drives driving wheel
One and worm screw rotate, so as to fulfill drive screw rotation work；And then it is by driving wheel two and one outer diameter ratio of driving wheel
4:1, when driving motor drives driving wheel one to rotate, the rotating speed of worm gear can be reduced, increases its torque.
Further preferably：Detection probe and the detection for being positioned over drilling Near Ground are provided on support frame as described above
Point one, test point two and test point three, test point one, test point two and test point three along underbody seat length direction it is uniform between
Every setting, when detection probe and test point two to it is corresponding when drilling rod with required drilling on same straight line, when detection probe is distinguished
With test point one or test point two to it is corresponding when spindle gear drive bottom frame towards underbody seat one side or opposite underbody seat one side position
Using the above structure, by detection probe and be arranged at test point one of the drilling nearby on ground, detection two and
Test point three corresponds to, to detect the eccentric distance of drilling rod, when detection probe and test point one, test point three to it is corresponding when drilling rod at
In eccentric state, and then bottom frame is driven to move forward and backward, make its detection probe corresponding with test point two, to ensure drilling rod and drilling
Further preferably：The lifting gear includes setting respectively along supporting rack length direction both sides and turn with supporting rack
The drive roll and driven voller of connection are moved, sprocket wheel is respectively fixed on the drive roll and driven voller, passes through a chain between two sprocket wheels
Item connects, and the chain is fixed with reduction box, is provided on support frame as described above and is only capable of for reduction box along supporting rack length side
To the slideway of slip, the positive and negative motor of driving drive roll rotation is provided on support frame as described above.
Using the above structure, it is necessary to when carrying out boring extracting soil operation to ground, driving wheel and chain are driven by positive and negative motor
Positive and negative rotation is taken turns, under the gear engaging force of chain and sprocket wheel, driving reduction box is slided up and down along supporting rack length direction,
Reduction box drives drilling rod to rotate simultaneously, and boring extracting soil work is carried out to ground.
Further preferably：The one side of the bottom frame towards rod bit is provided with support base one, on the support base one
It is provided with mounting base one, mounting base two is correspondingly arranged on mounting base one on support frame as described above, by an articulated shaft through installation
Seat one and mounting base two realize the rotation connection between supporting rack and bottom frame, are additionally provided with to drive support on the bottom frame
Frame is with respect to the actuator that bottom frame is overturn.
Using the above structure, jacking driving is carried out to supporting rack by actuator, makes its supporting rack using articulated shaft as the center of circle
Circular motion is carried out, so as to adjust the gradient that drilling rod drills to ground, adapts to more different construction requirements.
Further preferably：The bottom frame is provided with the support base for being used to support supporting rack on the one side with respect to support base one
Two, rubber sleeve is arranged on two upper surface of support base.
Using the above structure, it is when boring work need not be carried out, supporting rack overturning is lower parallel with bottom frame, it reduces whole
The height of device convenient for transporting device to elsewhere, and then being supported supporting rack by support base two, making its support
When under frame overturning, one side actuator is not required to continue to support force to supporting rack, so as to extend the service life of actuator, separately
On the one hand more stable support can be carried out to supporting rack；And then by the rubber sleeve on support base two, support can be reduced
Mutual abrasion between frame and support base two.
Further preferably：Support frame as described above is towards being provided with the sheath that is passed through for drilling rod on one end of rod bit.
Using the above structure, during drilling rod boring extracting soil, since drilling rod is constantly in high-speed rotation, centrifugation can be given birth to local products and made
Firmly, soil is got rid of around, /V is carried out to the soil thrown away by sheath, got rid of its taking-up soil and fall in a certain range, subtract
Light cleaning task afterwards.
In conclusion the invention has the advantages that：When drilling machine generates vibrations in boring procedure, make its vehicle body band
When dynamic drilling rod deviates required drilling, pass through the correspondence of detection probe and test point one, test point two and test point three, inspection
Drilling rod deviation range is measured, when detecting that drilling rod offset distance is excessive, driving motor, which starts, drives driving wheel two to rotate, then
Driving wheel one and worm screw is driven to rotate, and then worm gear is driven to be rotated with screw, so as to which bottom frame and drilling rod be driven to move forward and backward,
Drilling rod and required drilling concentricity are kept to the full extent, makes the hole wall that it is drilled out complete, are reduced drilling rod and are bored inclined probability, improve it
Description of the drawings
Fig. 1 is the structure diagram of the present embodiment, shows overall structure；
Fig. 2 is the partial structural diagram of the present embodiment, shows the structure of drilling tool assembly；
Fig. 3 is the partial structural diagram of the present embodiment, shows the connection structure between supporting rack and bottom frame；
Fig. 4 is the partial structural diagram of the present embodiment, shows the connection structure between underbody seat and bottom frame；
Fig. 5 is the enlarged diagram at A in Fig. 4, shows the connection structure of worm and gear；
Fig. 6 is the partial cutaway schematic of the present embodiment, shows the connection structure between bottom frame and sliding groove.
In figure, 1, vehicle body；11st, control room；12nd, underbody seat；13rd, crawler type walking mechanism；2nd, drilling tool assembly；21st, bottom frame；
22nd, supporting rack；23rd, detection probe；24th, drilling rod；3rd, reduction box；4th, spindle gear；41st, screw；42nd, driving motor；43、
Worm gear；44th, worm screw；45th, driving wheel one；46th, driving wheel two；47th, transmission belt；5th, lifting gear；51st, drive roll；52nd, it is driven
Roller；53rd, sprocket wheel；54th, chain；55th, positive and negative motor；6th, slide；7th, slideway；8th, actuator；9th, mounting base one；30th, mounting base two；
31st, articulated shaft；32nd, sheath；33rd, rubber sleeve；34th, support base one；35th, support base two；36th, sliding groove；37th, rolling groove；38th, roll
Pearl；39th, closed plate；60th, placing groove；61st, anticollision door.
The present invention is described in further detail below in conjunction with attached drawing.
A kind of track-mounted drill, as shown in Figure 1, including vehicle body 1 and drilling tool assembly 2, vehicle body 1 includes control room 11, underbody
Seat 12 and crawler type walking mechanism 13, crawler type walking mechanism 13 are arranged at 12 lower section of underbody seat, and control room 11 and drilling tool are total
12 top of underbody seat is arranged at into 2, by a spindle gear 4 drilling tool assembly 2 is driven to be moved forward and backward along underbody seat 12, adjusted
The distance between drilling tool assembly 2 and underbody seat 12 adjust the concentricity between drilling tool assembly 2 and required drilling.
With reference to Fig. 2, drilling tool assembly 2 includes bottom frame 21, supporting rack 22 and the reduction box 23 slided up and down along supporting rack 22,
Drilling rod 24 is connected on the output shaft of reduction box 23, support frame as described above 22 is rotatablely connected with bottom frame 21, and reduction box 23 passes through lifting
5 drives edge supporting rack 22 of device slides up and down, and boring extracting soil is carried out to ground.
With reference to Fig. 4, sliding groove 36 is offered in above-mentioned underbody seat 12,36 section of sliding groove is concave, and 21 both sides of bottom frame are inserted
It connects with its bottom frame 21 is made to be only capable of along 36 length direction displacement of sliding groove, 36 one end of sliding groove and underbody seat 12 in 36 both sides of sliding groove
Perforation other end closing in front end after bottom frame 21 is inserted in sliding groove 36, is welded 36 openend of sliding groove by closed plate 39
Sealing is connect, prevents bottom frame 21 from skidding off.
Above-mentioned spindle gear 4 includes two screws 41 and driving mechanism, and two screws 41 are respectively along 36 length of sliding groove
Direction is arranged in parallel and both ends pass through bearing respectively（It is not shown in figure）It is rotatablely connected with underbody seat 12 and sealing plate, bottom frame 21
Both sides offer the threaded hole with two screws, 41 thread fitting respectively, by driving mechanism two screws 41 are driven to rotate synchronously,
Screw 41 is under the thread fitting active force of bottom frame 21, driving bottom frame 21 to move forward and backward.
With reference to Figure 4 and 5, above-mentioned driving mechanism includes worm gear 43, worm screw 44 and driving motor 42, and worm gear 43 is provided with two
A to be fixed respectively with two screws 41, worm screw 44 is rotationally connected in underbody seat 12 and is engaged simultaneously with two worm gears 43, passes through driving
Motor 42 drives worm screw 44 to rotate that two worm gears 43 and screw 41 is driven to rotate, and then bottom frame 21 is driven to move forward and backward.
With reference to Fig. 6, in the present embodiment, several balls 38 are provided on 21 both sides upper and lower side of bottom frame along its length, it is sliding
Dynamic slot offers the rolling groove 37 rolled for ball 38 on inner wall about 36, bottom frame 21 and sliding groove leave about 36 between inner wall
1 to 3mm gaps.
With reference to Fig. 4, in the present embodiment, it is outer and fixed with driving wheel 1 that above-mentioned 44 one end of worm screw extends to underbody seat 12,
Driving motor 42 is fixed in underbody seat 12 and driving wheel 2 46 is fixed in drive shaft, driving wheel 2 46 and driving wheel 1 it
Between pass through 47 coiling of transmission belt realize rotate synchronously；In the present embodiment, the outer diameter ratio of driving wheel 2 46 and driving wheel 1 is 4:
1, bull wheel is driven by steamboat, the quick rotation of driving motor 42 is converted into slowly running for worm screw 44, increases its torsional forces.
In the present embodiment, 12 one side of underbody seat offers placing groove 60, driving motor 42, driving wheel 1, driving wheel two
46 and transmission belt 47 may be contained in placing groove 60, placing groove 60 be open also is hinged with close placing groove 60 be open anticollision door
61, several heat emission holes are offered on anticollision door 61.
With reference to Fig. 2, in the present embodiment, reduction box 23 is with respect to being provided with detection probe 3 and use on the one side of supporting rack 22
In test point one, test point two and test point three needed for being placed near drilling（It is not shown in figure）, during drilling, will detect
Point one, test point two and test point three（It is not shown in figure）Be positioned over drilling nearby and along 12 length direction of underbody seat it is uniform between
Every setting, when detection probe 3 and test point two to it is corresponding when drilling rod 24 keep concentric with drilling；In boring procedure, vehicle body 1 exists
Certain deviation can be generated under shock effect power, when detection probe 3 and test point one, test point three to it is corresponding when spindle gear 4
Start, driving bottom frame 21 moves forward and backward, its drilling rod 24 is made to keep concentric with drilling to the full extent.
With reference to Fig. 2 and 3, both sides are respectively fixed with support base 1 and support base 2 35 along its length on bottom frame 21, prop up
Both sides are respectively fixed with mounting base 1 on support seat 1, are correspondingly arranged on mounting base 2 30 with mounting base on supporting rack 22, pass through
One articulated shaft 31 drives supporting rack 22 to be turned over respect to bottom frame 21 through mounting base 1 and mounting base 2 30, and then by an actuator 8
Wherein, actuator 8 is arranged to hydraulic cylinder, and hydraulic cylinder one end is rotatablely connected with bottom frame 21, the other end and supporting rack 22
Rotation connection is rotated by the telescopic drive supporting rack 22 of hydraulic cylinder output shaft with respect to bottom frame 21.
When supporting rack 22 is parallel with bottom frame 21,2 35 upper end of support base is connected to supporting rack 22 and supporting rack 22 is carried out
Support；Wherein, rubber sleeve 33 is fixed in 2 35 upper end of support base.
Above-mentioned lifting gear 5 includes being arranged at supporting rack 22 both sides and passes through bearing along its length（It is not shown in figure）
With respect to the drive roll 51 and driven voller 52 of the rotation connection of supporting rack 22, sprocket wheel is respectively fixed on drive roll 51 and driven voller 52
53, coiling has a chain 54 on two sprocket wheels 53；Reduction box 23 is provided with slide 6 along its width both sides, and the two of supporting rack 22
Side is provided with the slideway 7 slided for slide 6, and reduction box 23 is fixed with chain 54, so as to drive drive roll 51 in positive and negative motor 55
And under the positive and negative rotation active force of sprocket wheel 53, by chain 54 reduction box 23 is driven to slide up and down and subtract along supporting rack 22
Under the rotary action power that fast case 23 drives, boring extracting soil is carried out to ground.
Wherein, slide 6 is made of 23 fixed fixed plate one of reduction box and fixed plate two, and fixed plate one passes through fastening bolt
It is fixed with fixed plate two and forms U-shaped with fixed plate two, be sticked on slideway 7.
Supporting rack 22 towards be provided on one end of drill bit for through sheath 32.
Operation principle：When drilling machine is used to be drilled, first determine bore position, then test point is placed in front of drilling
First, test point two and test point three, then supported supporting rack 22 vertically by actuator 8, by drilling rod 24 and bore position pair
Accurate detection probe 3 simultaneously is corresponding with test point two, restarts reduction box 23 and drills；When in boring procedure, vehicle body 1 is shaking
Shifting under active force causes drilling rod 24 eccentric with drilling, and detection probe 3 makes itself and test point one or detection with offset
Driving motor 42 starts when two pairs of point is corresponding, and driving wheel 2 46 is driven to rotate, and under the continuous action relation of transmission belt 47, drives driving
It takes turns 1 to rotate with worm screw 44, so as to which worm gear 43 be driven to rotate with screw 41, in screw 41 with driving under the thread fitting of bottom frame 21
Dynamic drilling tool assembly 2 moves forward and backward, and adjusts drilling rod 24 and the concentricity of drilling, its drilling rod 24 is made to keep same with drilling to the full extent
Heart degree makes its hole wall keep complete, improves its drilling efficiency.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, people in the art
Member can as needed make the present embodiment the modification of no creative contribution after this specification is read, but as long as at this
It is all protected in the protection domain of invention be subject to Patent Law.