CN209578655U - A kind of device for the hardening processing of aluminium drill pipe inside and outside wall - Google Patents
A kind of device for the hardening processing of aluminium drill pipe inside and outside wall Download PDFInfo
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- CN209578655U CN209578655U CN201822239839.7U CN201822239839U CN209578655U CN 209578655 U CN209578655 U CN 209578655U CN 201822239839 U CN201822239839 U CN 201822239839U CN 209578655 U CN209578655 U CN 209578655U
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- actuator
- drilling rod
- screw
- drill pipe
- outside wall
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Abstract
A kind of device for the hardening processing of aluminium drill pipe inside and outside wall, including pedestal, pedestal is equipped with slip rotating mechanism, external actuator axial motion mechanism and interior actuator axial motion mechanism, the slip rotating mechanism includes first motor and drilling rod lateral support assembly, one end of drilling rod is driven by first motor to rotate, and the drilling rod other end is supported by drilling rod lateral support assembly；External actuator axial motion mechanism drives external actuator assembly to be axially moved along drilling-rod external wall by the second motor through worm drive；Interior actuator axial motion mechanism drives interior actuator assembly to be axially moved along drilling rod inner wall through oil cylinder, expansion bracket.Actuator may be implemented along drilling rod inside and outside wall full coverage type Cold Forging in the utility model, have the characteristics that work efficiency is high, processing quality is good, strengthening layer is easily-controllable, uses the utility model that can provide technical support to produce the aluminium drill pipe of long-life, high reliability.
Description
Technical field
The utility model relates to a kind of drilling rod processing unit (plant)s, especially the dress for the hardening processing of aluminium drill pipe inside and outside wall
It sets.
Background technique
Drilling rod is most important in drilling equipment, and is easiest to the component of damage.The drill string being made up of drilling rod, In
Drilling process will realize the delivering of torque and bit pressure, drilling fluid conveying, rock core extraction, bit change-over and accident treatment, be to determine
Can the primary factor of depth of exploration, drill string drilling ability directly determine obtain the valuable money in kind such as deeper rock core in underground
Material, and can establish and survey well logging channel to obtain more geological informations.In ultradeep well probing, when drilling well is more than a certain depth
When, the self weight of drill string can be such that drilling rod destroys, and the performance of aluminium drill pipe seems even more important.Aluminium alloy and other gold
Category is equally faced with serious attrition and attack problem.In drilling process, the motion state of drill string is sufficiently complex, specifically includes that
Rotation, whirling motion, extensional vibration, twisting vibration, oscillation crosswise etc., complex working condition cause aluminium drill pipe column and pit shaft fretting wear
Frequently, cause drilling rod to be biased to abrasion and be also easy to produce scratch and impression equivalent damage, cause the reduction of drilling rod columns bearing capacity, increase well
Interior accident potential；In addition, characteristic of the aluminium drill pipe with mechanical property decaying under ultradeep well hot conditions, knot of tissue
Structure, mechanical property, polishing machine deteriorate.Meanwhile under field conditions (factors), an aluminum alloy surface thickness easy to form is about
The natural oxide film of 4nm, but the film is porous and uneven, it is difficult to and the corrosion for resisting adverse circumstances leads to drilling rod corrosion failure.It bores
Contain organic and inorganic additive, drilling fluid high temperature in well in the mud systems such as the low solid phase of well process, Solid Free, water base and oil base
There is stronger corrosivity under the action of high pressure, cause aluminium drill pipe that chemistry or electrochemical reaction easily occurs；Meanwhile drilling rod
Column will also bear self weight and bring biggish tensile stress, and the crystal boundary of elongation is to corrode to provide channel, in addition with the friction of the borehole wall
Abrasion causes corrosion product to be easily stripped, and complicated military service working condition causes drilling rod that corrosion failure easily occurs.In face of abrasion
With etching problem, it is badly in need of reinforcing wear-resistant, the corrosion resistance of drilling rod surfaces externally and internally.
Utility model content
The purpose of this utility model is to provide a kind of devices for the hardening processing of aluminium drill pipe inside and outside wall, utilize institute
Drilling rod surfaces externally and internally ultrasonic wave Cold Forging can be realized by stating device, to improve wear-resistant drilling rod surfaces externally and internally, anti-corrosion and hardenability
Energy.
Problem described in the utility model is solved with following technical proposals:
A kind of device for the hardening processing of aluminium drill pipe inside and outside wall, including pedestal, pedestal are revolved equipped with slip
Rotation mechanism, external actuator axial motion mechanism and interior actuator axial motion mechanism, the slip rotating mechanism include the
One motor and drilling rod lateral support assembly, one end of drilling rod is driven by first motor to rotate, and the drilling rod other end is laterally propped up by drilling rod
Support assembly support；External actuator axial motion mechanism drives external actuator assembly along drilling-rod external wall by the second motor through worm drive
It is axially moved；Interior actuator axial motion mechanism drives interior actuator assembly to be axially moved along drilling rod inner wall through oil cylinder, expansion bracket.
The above-mentioned device for the hardening processing of aluminium drill pipe inside and outside wall, the interior actuator assembly are located at the hole of drilling rod
Interior, interior actuator assembly includes symmetrically arranged two pieces of rotating discs, is set with fixed disk, rotating disc and fixation in the hole of each rotating disc
Bearing is equipped between disk；The periphery of rotating disc is evenly distributed with Adjustable bracing bar, and the end of each Adjustable bracing bar is equipped with idler wheel, idler wheel and brill
Bar inner wall rolling friction；Several actuators are set between two pieces of fixed disks, and the two sides of each actuator are respectively articulated with actuator branch
The distal end of the proximal end of strut, two actuator block bars is respectively articulated with each fixed disk；Also uniformly distributed number set preload group between two fixed disks
Part, every set pre-tighten component and are made of the tension spring, pre-load nut, preload screw rod being sequentially connected, and each both ends for pre-tightening component connect respectively
Connect two pieces of fixed disks.
The above-mentioned device for the hardening processing of aluminium drill pipe inside and outside wall, pedestal are equipped with right branch far from the side of first motor
Fagging, the second motor are fixed on right support plate top；The external actuator assembly include screw mounting rack, actuator mounting base and
Pressure spring adjustment plate, screw mounting rack and actuator mounting base are connected structure, are locked between the two by screw, actuator mounting base dress
With several actuators, pressure spring is equipped at the top of each actuator, pressure spring adjustment plate is located at pressure spring top, is threadedly engaged with screw mounting rack
Adjusting screw pass through screw mounting rack top, adjusting screw bottom end presses in pressure spring adjustment plate；Screw mounting rack is equipped with
Two screws, each screw and a threads of lead screw cooperate, and each lead screw both ends are supported by left and right support plate respectively, two lead screws
Right end is separately connected a driven gear, and two driven gears are symmetricly set on driving gear two sides, each driven gear respectively with master
Moving gear engagement connection, driving gear and the second motor output shaft are keyed.
The above-mentioned device for the hardening processing of aluminium drill pipe inside and outside wall, the drilling rod lateral support are always in a parallel set two
Lateral support idler wheel is respectively set to the opposite face of bracket in lateral bracket, two sides, and each lateral bracket is respectively and fixedly connected with hand of spiral phase
Anti- lateral support screw, lateral support lead screw respectively with two sides to supporting wire box thread cooperate, lateral support lead screw both ends by
One end of leading screw bearing support, lateral support lead screw is equipped with handle.
The above-mentioned device for the hardening processing of aluminium drill pipe inside and outside wall, affixed tubular pipe nipple in right support plate, tubular are short
The internal diameter of section is matched with drilling rod internal diameter, and the outer diameter of tubular pipe nipple is matched with drilling rod outer diameter, and tubular pipe nipple is to stacks right part.
The above-mentioned device for the hardening processing of aluminium drill pipe inside and outside wall, the expansion bracket is by multiple parallelogram connection-rods
Mechanism is constituted, and expansion bracket passes through right support plate and tubular pipe nipple, and expansion bracket end is connect with the fixed disk close to expansion bracket, is stretched
The piston rod of the head end connection oil cylinder of frame, oil cylinder connect guide pad, and guide pad is equipped with two to expansion bracket head end link motion
The guide groove of guiding.
It is above-mentioned to harden the device processed for aluminium drill pipe inside and outside wall, it is also set between two rotating discs of interior actuator assembly
There are telescopic rod, the axis coaxle of the axis of telescopic rod and two fixed disks, each fixed disk is docked at the both ends of telescopic rod respectively.
The above-mentioned device for the hardening processing of aluminium drill pipe inside and outside wall, main shaft connection card of the first motor through transmission case
Disk.
The above-mentioned device for the hardening processing of aluminium drill pipe inside and outside wall, each lateral frame bottom are equipped with guide rail, guide rail side
To axially vertical with drilling rod, lateral bracket is slidably matched with guide rail, and guide rail is fixed with pedestal.
The above-mentioned device for the hardening processing of aluminium drill pipe inside and outside wall, the actuator and preload component of interior actuator assembly
It is spaced apart.
The utility model is equipped with inside and outside actuator axial motion mechanism and slip rotating mechanism, and passes through setting bucket
Shape pipe nipple can realize actuator along drilling rod inside and outside wall full coverage type Cold Forging；Inside and outside actuator assembly distinguishes adjustable cause
Dynamic device is total by adjusting the loading force of actuator, rod rotation speed and inside and outside actuator to loading force added by drilling rod surfaces externally and internally
At axial velocity, cooperate the frequency of impact of actuator and the control of amplitude, can make drilling rod surfaces externally and internally obtain nanoscale extremely
Micron-sized strengthening layer realizes the promotion of drilling rod surfaces externally and internally corrosion resistance and hardness.The utility model have work efficiency is high,
The features such as processing quality is good, strengthening layer is easily-controllable uses the utility model that can bore to produce the aluminium alloy of long-life, high reliability
Bar provides technical support.
Detailed description of the invention
The utility model is described in further detail with reference to the accompanying drawing.
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of lateral support assembly；
Fig. 3 is the C direction view of external actuator assembly；
Fig. 4 is the D direction view of interior actuator assembly；
Fig. 5 is the A-A cross-sectional view of Fig. 4；
Fig. 6 is the B-B cross-sectional view of Fig. 4.
Each label in figure are as follows: 1 first motor, 2, left support plate, 3, transmission case, 4, chuck, 5, drilling rod, 6, external actuator it is total
At, 6-1, screw mounting rack, 6-2, driven gear, 6-3, driving gear, 6-4, pressure spring, 6-5, adjusting screw, 6-6, pressure spring tune
Whole plate, 6-7, actuator mounting base, 7, lead screw, 8, interior actuator assembly, 8-1, idler wheel, 8-2, Adjustable bracing bar, 8-3, rotation
Disk, 8-4, fixed disk, 8-5, tension spring, 8-6, pre-load nut, 8-7, preload screw rod, 8-8, telescopic rod, 8-9, actuator block bar,
9, expansion bracket, 10, tubular pipe nipple, 11, right support plate, the 12, second motor, 13, oil cylinder, 14, limited block, 15, pedestal, 16, side
To support assembly, 16-1, lateral bracket, 16-2, lateral support screw, 16-3, lateral support lead screw, 16-5, leading screw bearing,
16-6, handle, 16-7, lateral support idler wheel, 17, main shaft, 18, actuator.
Specific embodiment
Referring to Fig. 1, the utility model includes pedestal 15, and pedestal is equipped with the slip whirler that driving drilling rod 5 rotates
Structure, the external actuator axial motion mechanism that Cold Forging is carried out to drilling-rod external wall and the interior cause that Cold Forging is carried out to drilling rod inner wall
Dynamic device axial motion mechanism.Left support plate 2, right support plate 11 are fixed in pedestal two sides respectively, and slip rotating mechanism includes the
One motor 1 and drilling rod lateral support assembly 16, first motor is fixed at left support plate, and first motor output shaft is through transmission case 3
Main shaft 17 is driven to rotate, main shaft drives chuck 4 to rotate, and the left side of chuck holding drill pipe, the right side of drilling rod is by drilling rod lateral support
Assembly support.External actuator axial motion mechanism, interior actuator axial motion mechanism are equipped with actuator 18, actuator selection pressure
Electroceramics actuator.External actuator axial motion mechanism is driven by the second motor 12 being fixed in right support plate through worm drive
External actuator assembly 6 axially moves along drilling-rod external wall.Interior actuator axial motion mechanism drives interior through oil cylinder 13, expansion bracket 11
Actuator assembly 8 is axially moved along drilling rod inner wall.To realize the continuity when processing of drilling rod end, affixed tubular in right support plate
The internal diameter of pipe nipple 10, tubular pipe nipple is matched with drilling rod internal diameter, and the outer diameter of tubular pipe nipple is matched with drilling rod outer diameter, the docking of tubular pipe nipple
Drilling rod right part.
Referring to Fig. 1, Fig. 3, external actuator assembly includes screw mounting rack 6-1, actuator mounting base 6-5 and pressure spring adjustment plate
6-6.Screw mounting rack and actuator mounting base are connected structure, are fixed between the two by screw.The assembly of actuator mounting base is several
Actuator 18, actuator are axially in line along drilling rod, and illustrated embodiment uses three actuators.The top of each actuator with
Pressure spring 6-4 is equipped between screw mounting rack, pressure spring adjustment plate is located at pressure spring top, the adjustment spiral shell being threadedly engaged with screw mounting rack
The top that 6-5 passes through screw mounting rack is followed closely, adjusting screw end presses in pressure spring adjustment plate.Both forward and reverse directions turn locking screw
Nail, pressure spring adjustment plate can opposing actuator mounting base slide up and down, adjustment pressure spring adjustment plate be applied to the static pressure on pressure spring, from
And adjust pressure of the actuator contact with respect to drilling-rod external wall.Screw mounting rack is set there are two screw, each screw and a lead screw 7
It being threadedly engaged, each lead screw both ends are supported by left and right support plate respectively, and two lead screw right ends are separately connected a driven gear 6-2,
Two driven gears are symmetricly set on the two sides driving gear 6-3, and each driven gear engages connection, driving gear with driving gear respectively
It is keyed with the second motor output shaft.It can guarantee the stability of actuator mounting base movement using double lead-screw transmission.
Referring to Fig. 1 and Fig. 4-Fig. 6, interior actuator assembly is located in drilling rod hole.Interior actuator assembly includes symmetrically arranged
Two pieces of rotating disc 8-3, each rotating disc is interior to be set with fixed disk 8-4, and bearing is equipped between rotating disc and fixed disk.The periphery of rotating disc
Uniformly distributed Adjustable bracing bar 8-2, Adjustable bracing bar bottom are provided with pressure spring, and the end of each Adjustable bracing bar is equipped with idler wheel 8-1, passes through
The specification of adjustable support bar and pressure spring is replaced, idler wheel is pressed on drilling rod inner wall when guaranteeing to different size drilling rod inwall processing,
Realize idler wheel and the rolling friction of drilling rod inner wall.Several actuators, the two sides point of each actuator 18 are equipped between two pieces of rotating discs
The proximal end of other hinge actuator support rod 8-9, the distal end of two actuator block bars are respectively articulated with each fixed disk, in the fixed disk of right side
Portion is equipped with cable hole, for passing through power supply line.The contact of each actuator presses drilling rod inner wall.Also uniformly distributed number set between two fixed disks
Component is pre-tightened, every set pre-tightens component and is made of the tension spring 8-5, pre-load nut 8-6, preload screw rod 8-7 being sequentially connected, each preload group
The both ends of part are separately connected two pieces of fixed disks.Ultrasonic actuation may be implemented in length by adjusting pretension bolt injection pre-load nut
The application of device preloaded force.When adjusting actuator with respect to drilling rod inner wall pressure, one end of tension spring is unloaded, rotates pre-load nut
It is installed to suitable position, then by tension spring.To guarantee the parallel of two pieces of fixed disks, it is additionally provided with telescopic rod 8 between two rotating discs, stretches
The axis coaxle of the axis of contracting bar and two fixed disks, each fixed disk is docked at the both ends of telescopic rod respectively, and (telescopic rod can be used commercially available
Gas spring support rod).The actuator and preload component of interior actuator assembly are spaced apart, illustrated embodiment, and interior actuator is total
At three actuators of installation, pre-tightens component and accordingly use three sets.
Referring to Fig. 1, expansion bracket 9 is made of multiple parallelogram linkages, and expansion bracket passes through the through-hole of right support plate
With tubular pipe nipple, expansion bracket end is connect with the fixed disk close to expansion bracket, the piston rod of the head end connection oil cylinder 13 of expansion bracket,
Oil cylinder connects guide pad 14, and guide pad is equipped with two guide grooves to expansion bracket head end link motion guiding.Oil cylinder piston is stretched
Expansion bracket is stretched out or is shunk when out or retracting, and is driven interior actuator assembly to be axially moved in drill pipe bore, is against drilling rod
The idler wheel of inner surface can play the role of reducing friction of motion.When drilling rod rotation, rotating disc is rotated with it, and fixed disk exists
It is not rotated and only axial linear movement with drilling rod under the single action effect and the anti-twisted fixation of expansion bracket of bearing, thus actuating in realizing
Device assembly is with respect to drilling rod inner surface full coverage type Cold Forging.
Referring to Fig. 1, Fig. 2, drilling rod lateral support assembly includes that two sides are arranged in parallel to bracket 16-1, phase of two sides to bracket
The lateral support idler wheel 16-7 to drilling rod lateral support is respectively set in opposite, and two lateral supports of setting are rolled on each lateral bracket
Wheel, two lateral support idler wheels are symmetrically distributed in drilling rod center line or more.Each lateral bracket is respectively and fixedly connected with lateral support screw 16-
1, the hand of spiral of two lateral support screws is opposite.The two sides hand of thread spiral of lateral support lead screw 16-3 is on the contrary, lateral
The two sides of support lead screw are threadedly engaged with each lateral support screw respectively, and lateral support lead screw both ends are propped up by leading screw bearing 16-5
One end of support, lateral support lead screw is equipped with handle 16-6.To guarantee that lateral support motion is steady, each lateral frame bottom is equipped with and leads
Rail 16-4, lateral bracket are slidably matched with guide rail, and guide rail is fixed with pedestal.Turn handle, two sides are transported in opposite directions or on the contrary to bracket
It is dynamic.When to drilling rod Cold Forging, adjustment lateral support idler wheel touches drilling rod, plays a supporting role to drilling rod；When replacing drilling rod, instead
To turn handle, two sides are opened to bracket.A set of or two sets, embodiment illustrated in fig. 1 can be set in drilling rod lateral support assembly
Drilling rod lateral support assembly be provided with it is a set of, if drilling rod lateral support assembly be arranged two sets, can be set correspondence drilling rod in
The position in portion.
When utility model works, drilling rod is installed, adjust in external actuator assembly precompression, first motor, the
The suitable revolving speed of two selection of Motor can carry out Cold Forging to drilling rod surfaces externally and internally, by actuator to drilling rod surfaces externally and internally
Impact, obtain nanoscale to micron-sized strengthening layer on drilling rod surface.The actuator and external actuator of interior actuator assembly are total
At actuator provide high frequency electric source by matching suitable supersonic generator, drive actuator high-frequency vibration.Pass through control
The control to strengthening layer thickness may be implemented in the parameters such as the frequency of actuator vibration, amplitude and the static pressure that is applied on drilling rod surface
System；In a certain range, the degree that drilling rod surface is reinforced is positively correlated with actuator frequency, amplitude and static pressure.Drilling rod
One end close to chuck can turn around to process, to realize drilling rod inside and outside wall all standing Cold Forging.
Claims (10)
1. a kind of device for the hardening processing of aluminium drill pipe inside and outside wall, it is characterised in that: including pedestal (15), set on pedestal
There are slip rotating mechanism, external actuator axial motion mechanism and interior actuator axial motion mechanism, the slip rotation
Rotation mechanism includes first motor (1) and drilling rod lateral support assembly (16), and one end of drilling rod (5) is driven by first motor to rotate,
The drilling rod other end is supported by drilling rod lateral support assembly；External actuator axial motion mechanism is by the second motor (12) through worm drive
External actuator assembly (6) are driven to be axially moved along drilling-rod external wall；Interior actuator axial motion mechanism is through oil cylinder (13), expansion bracket
(9) actuator assembly (8) is axially moved along drilling rod inner wall in driving.
2. the device according to claim 1 for the hardening processing of aluminium drill pipe inside and outside wall, it is characterised in that: in described
Actuator assembly is located in the hole of drilling rod, and interior actuator assembly includes symmetrically arranged two pieces of rotating discs (8-3), each rotating disc
It is set with fixed disk (8-4) in hole, bearing is equipped between rotating disc and fixed disk；The periphery of rotating disc is evenly distributed with Adjustable bracing bar (8-
2), the end of each Adjustable bracing bar is equipped with idler wheel (8-1), idler wheel and the rolling friction of drilling rod inner wall；It is arranged between two pieces of fixed disks
The two sides of several actuators, each actuator (18) are respectively articulated with the proximal end of actuator block bar (8-9), two actuator block bars
Distal end be respectively articulated with each fixed disk；Also uniformly distributed number set pre-tightens component between two fixed disks, and every set pre-tightens component by being sequentially connected
Tension spring (8-5), pre-load nut (8-6), pre-tighten screw rod (8-7) and constitute, each both ends for pre-tightening component are separately connected two pieces of fixations
Disk.
3. the device according to claim 2 for the hardening processing of aluminium drill pipe inside and outside wall, it is characterised in that: pedestal is remote
Side from first motor is equipped with right support plate (11), and the second motor is fixed on right support plate top；The external actuator assembly
Including screw mounting rack (6-1), actuator mounting base (6-7) and pressure spring adjustment plate (6-6), screw mounting rack and actuator are installed
Seat is connected structure, is locked between the two by screw, and actuator mounting base assembles several actuators, is equipped at the top of each actuator (18)
Pressure spring (6-4), pressure spring adjustment plate are located at pressure spring top, and the adjusting screw being threadedly engaged with screw mounting rack (6-5) passes through screw
The top of mounting rack, adjusting screw bottom end press in pressure spring adjustment plate；Screw mounting rack is set there are two screw, each screw with
A piece lead screw (7) is threadedly engaged, and each lead screw both ends are supported by left and right support plate respectively, and two lead screw right ends are separately connected one
Driven gear (6-2), two driven gears are symmetricly set on the two sides driving gear (6-3), each driven gear respectively with active size
Engagement connection, driving gear and the second motor output shaft are keyed.
4. the device according to claim 3 for the hardening processing of aluminium drill pipe inside and outside wall, it is characterised in that: the brill
Two sides are arranged in parallel to bracket (16-1) to support assembly in bar side, and lateral support idler wheel is respectively set to the opposite face of bracket in two sides
(16-7), each lateral bracket are respectively and fixedly connected with the opposite lateral support screw (16-2) of the hand of spiral, lateral support lead screw (16-3)
Cooperate respectively with two sides to supporting wire box thread, lateral support lead screw both ends are supported by leading screw bearing (16-5), lateral support silk
One end of thick stick is equipped with handle (16-6).
5. the device according to claim 4 for the hardening processing of aluminium drill pipe inside and outside wall, it is characterised in that: right support
Affixed tubular pipe nipple (10), the internal diameter of tubular pipe nipple are matched with drilling rod internal diameter on plate, the outer diameter and drilling rod outer diameter of tubular pipe nipple
Match, tubular pipe nipple is to stacks right part.
6. the device according to claim 5 for the hardening processing of aluminium drill pipe inside and outside wall, it is characterised in that: described to stretch
Contracting frame (9) is made of multiple parallelogram linkages, expansion bracket pass through right support plate and tubular pipe nipple, expansion bracket end with
Fixed disk close to expansion bracket connects, and the piston rod of head end connection oil cylinder (13) of expansion bracket, oil cylinder connects guide pad (14), leads
Two guide grooves being oriented to expansion bracket head end link motion are equipped with to block.
7. the device according to claim 6 for the hardening processing of aluminium drill pipe inside and outside wall, it is characterised in that: interior actuating
Telescopic rod (8-8), the axis coaxle of the axis of telescopic rod and two fixed disks, telescopic rod are additionally provided between two rotating discs of device assembly
Both ends dock each fixed disk respectively.
8. the device according to claim 7 for the hardening processing of aluminium drill pipe inside and outside wall, it is characterised in that: the first electricity
Main shaft connecting chuck (4) of the machine through transmission case.
9. the device according to claim 8 for the hardening processing of aluminium drill pipe inside and outside wall, it is characterised in that: each lateral
Frame bottom is equipped with guide rail (16-4), and guide rail direction is axially vertical with drilling rod, and lateral bracket is slidably matched with guide rail, guide rail and bottom
Seat is fixed.
10. the device according to claim 9 for the hardening processing of aluminium drill pipe inside and outside wall, it is characterised in that: interior cause
The actuator and preload component of dynamic device assembly are spaced apart.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822239839.7U CN209578655U (en) | 2018-12-28 | 2018-12-28 | A kind of device for the hardening processing of aluminium drill pipe inside and outside wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822239839.7U CN209578655U (en) | 2018-12-28 | 2018-12-28 | A kind of device for the hardening processing of aluminium drill pipe inside and outside wall |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209578655U true CN209578655U (en) | 2019-11-05 |
Family
ID=68351117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822239839.7U Expired - Fee Related CN209578655U (en) | 2018-12-28 | 2018-12-28 | A kind of device for the hardening processing of aluminium drill pipe inside and outside wall |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209578655U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109759775A (en) * | 2018-12-28 | 2019-05-17 | 中国地质大学（北京） | A kind of aluminium drill pipe inside and outside wall ultrasonic wave cold forging processing unit (plant) |
-
2018
- 2018-12-28 CN CN201822239839.7U patent/CN209578655U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109759775A (en) * | 2018-12-28 | 2019-05-17 | 中国地质大学（北京） | A kind of aluminium drill pipe inside and outside wall ultrasonic wave cold forging processing unit (plant) |
| CN109759775B (en) * | 2018-12-28 | 2023-10-20 | 中国地质大学（北京） | Ultrasonic cold forging device for inner and outer walls of aluminum alloy drill rod |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191105 Termination date: 20211228 |