CN110026965A - A kind of device that control equipment automatically moves - Google Patents
A kind of device that control equipment automatically moves Download PDFInfo
- Publication number
- CN110026965A CN110026965A CN201910358980.5A CN201910358980A CN110026965A CN 110026965 A CN110026965 A CN 110026965A CN 201910358980 A CN201910358980 A CN 201910358980A CN 110026965 A CN110026965 A CN 110026965A
- Authority
- CN
- China
- Prior art keywords
- chassis
- separately mounted
- equipment
- automatically moves
- control equipment
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J5/00—Manipulators mounted on wheels or on carriages
- B25J5/005—Manipulators mounted on wheels or on carriages mounted on endless tracks or belts
Abstract
The invention discloses a kind of devices that control equipment automatically moves, it is related to control equipment and automatically moves technical field, including chassis, the inside on the chassis is equipped with synchronous regulation mechanism, the synchronous regulation mechanism both ends are equipped with bogie, are equipped with fixed disk above the chassis.The device that the control equipment automatically moves, when being installed to equipment, installation fixation is carried out by bolt to the installing port of device bottom by mounting groove and fixation hole, and after equipment installation, the gravity of equipment itself presses fixed disk and moves down, it is moved to press two movable stands by drive rod to two sides, to in the process of moving, two bogies are moved to two sides, to increase the wheelspan of the device, it can greatly enhance during use to the stability compared with heavy equipment when mobile, provide the mobile safety of the device, the problem of preventing heavier equipment to be easy rollover when moving.
Description
Technical field
The present invention relates to control equipment to automatically move technical field, specially a kind of device that control equipment automatically moves.
Background technique
It is by the way that its device for carrying out convenient movement is installed and controlled to equipment, without artificially pushing away that control, which automatically moves,
The mobile effect of control can be realized in dynamic equipment, and automatic mobile device is usually walked in scheduled working region, is commonly used in
Such as the installation to equipment such as some manipulators, it can guarantee that the use scope of manipulator is wider, operator can be made more just
It is prompt equipment is moved to demand position carry out using.
Equipment is when being moved, the dress of the idler wheel or similar slide plate that carry generally by device bottom
It sets to realize push-and-pull move, but when in use, position, which is adjusted, needs the push-and-pull of operator to be just able to achieve movement, it is difficult to real
The effect automatically moved is now controlled equipment, is greatly had dropped so as to cause the mobile efficiency of equipment, and to difference
When the equipment of weight is installed and used, and center is unstable, and sliding plate type mobile device is easy for leading when using mobile
The rollover of equipment is caused, mobile security is poor.
Summary of the invention
The object of the invention is in order to make up for the deficiencies of the prior art, provide a kind of dress that control equipment automatically moves
It sets, it has the advantages that safety is good when controlling good movement effect and movement, solves the control of control equipment moving device from shifting
Safety poor problem when dynamic effect is bad and mobile.
The present invention is in order to solve the above technical problems, provide the following technical solutions: a kind of device that control equipment automatically moves,
Including chassis, the inside on the chassis is equipped with synchronous regulation mechanism, and the synchronous regulation mechanism both ends are equipped with bogie, institute
It states and fixed disk is installed above chassis.
The inside of the bogie includes auxiliary wheel, driving wheel, crawler belt, servo motor, driving wheel one, transmission belt, transmission
Wheel two and mounting plate, auxiliary wheel described in two groups are separately mounted to the lower section inside two bogies, two driving wheel difference
It is mounted on the top inside two bogies, and driving wheel is sequentially connected by crawler belt and two auxiliary wheels, two transmissions
Wheel two is separately mounted to the input terminal of two driving wheels, and two mounting plates are separately mounted to two bogies close to each other one
The lower part of side, two servo motors are separately mounted to the upper surface of two mounting plates, and two driving wheels one are distinguished
It is mounted on the output end of two servo motors, and driving wheel one is sequentially connected by transmission belt and driving wheel two.
The lower section of the fixed disk includes drive rod, fixed block one, swivelling chute one, fixed block two, swivelling chute two, fixes
Frame, slip ring, slide bar and movable stand, fixed block one described in two groups is separately mounted to the left and right sides of fixed disk bottom surface, described in two
Movable stand is separately mounted to the middle part of two bogie one sides close to each other, and fixed block two described in two groups is separately mounted to two
The upper surface of movable stand, drive rod described in two groups are individually positioned in the top of two movable stands, the bottom end of each drive rod
Swivelling chute one is offered, each swivelling chute one passes through pin shaft and two fixed hinge of fixed block, each drive rod
Top offer swivelling chute two, and each swivelling chute two passes through pin shaft and one fixed hinge of fixed block.
The synchronous regulation mechanism includes reset tension spring, through-hole, connecting column, gear, teeth, shaft and empty slot, two groups of institutes
State the left and right sides that connecting column is set in chassis, and the one side that is located remotely from each other of two groups of connecting columns respectively with two bogie phases
Mutually close one side is fixedly connected, and empty slot is offered between connecting column described in every group, the inside on the chassis passes through shaft
It is fixedly hinged with gear, and gear is located at the inside of empty slot, the inner sidewall of each empty slot is fixedly installed with and gear phase
The teeth of adaptation, and teeth are meshed with gear.
Further, the middle part at left and right sides of the chassis opens up fluted, and two mounting plates extend respectively to
The inside of two grooves, and the width value of mounting plate is less than the width value of groove.
By using above-mentioned technical proposal, it can make mounting plate can in groove during adjusting to bogie
The problem of being moved, and Caton when moving can be prevented.
Further, the fixed frame is fixedly mounted on the middle part of chassis upper surface, and two slide bars are separately mounted to
The left and right sides of two fixed frames.
By using above-mentioned technical proposal, can further be limited by moving direction of the slide bar to movable stand.
Further, two slip rings are embedded in the middle part of two movable stand one sides close to each other, Mei Gesuo respectively
Slide bar is stated to run through slip ring and extend to the inside of movable stand.
By using above-mentioned technical proposal, preferably the position of movable stand is moved, and increases holding for movable stand
Beijing South Maxpower Technology Co. Ltd's power.
Further, four edges of the fixed disk upper surface offer mounting groove, each mounting groove
Inside offers fixation hole.
By using above-mentioned technical proposal, bolt installation preferably is carried out to equipment and is fixed.
Further, the through-hole is provided between two grooves, and the reset tension spring is fixedly mounted on two mounting racks
Between, and reset tension spring is located at the inside of through-hole.
By using above-mentioned technical proposal, the dress can be pulled by the recovery capability of reset tension spring after detaching equipment
Recovery is set to initial position, facilitates install and use next time.
Compared with prior art, the device which automatically moves have it is following the utility model has the advantages that
1, the present invention is by being provided with chassis, with the use of auxiliary wheel, driving wheel, crawler belt, servo motor, driving wheel one, transmission
Band, driving wheel two and mounting plate control servo motor by the control system of the device and are operated during use,
It drives driving wheel one to be rotated, to make driving wheel two be rotated by the transmission of transmission belt, and driving wheel is driven to carry out
Rotation, to be rotated between driving wheel and auxiliary wheel by active wheel drive crawler belt, to drive the dress by crawler belt
It sets and is automatically moved, and by two independent servo motors, the device can be made to turn or be turned around more when moving
What is added is flexible.
2, the present invention is by being provided with chassis, with the use of drive rod, fixed block one, swivelling chute one, fixed block two, rotation
Slot two, fixed frame, slip ring, slide bar and movable stand, when being installed to equipment, by mounting groove and fixation hole to device bottom
Installing port installation fixation is carried out by bolt, and after equipment installation, the gravity of equipment itself presses fixed disk to moving down
It is dynamic, it is moved to press two movable stands by drive rod to two sides, thus in the process of moving, by two bogies
It is moved to two sides, to increase the wheelspan of the device, can greatly be enhanced during use to relatively reseting
Stability when standby mobile provides the mobile safety of the device, heavier equipment is prevented to be easy asking for rollover when moving
Topic.
3, the present invention is by being provided with chassis, with the use of reset tension spring, through-hole, connecting column, gear, teeth, shaft and
Empty slot presses two bogies to when the movement of two sides in equipment, pulls two groups of connecting columns to make a relative move, and mobile
In the process, it drives the gear of center to be rotated, and passes through the engaged transmission of gear and teeth, can guarantee that two sides are driven
The equal length that moving frame removes, and can be avoided after mounting, the heavier side that presses in equipment one end removes adjusting, and the other side is not
The problem of change, thus the ability for improving the device according to equipment self gravity to adjust wheelspan, so that adjusting using more
Safety and stability pull two bogies to reset by the recovery capability of reset tension spring and after dismantling to equipment, from
And so that fixed disk is located at extreme higher position by transmission mechanism, facilitate install and use next time, improves the device and different weight is set
The effect that wheelspan changes automatically when standby installation.
Detailed description of the invention
Fig. 1 is the perspective view of the positive angle in chassis of the present invention；
Fig. 2 is the perspective view of chassis depression angle of the present invention；
Fig. 3 is the perspective view that angle is looked up on chassis of the present invention；
Fig. 4 is that movable stand of the present invention connects perspective view；
Fig. 5 is the cross-sectional view of chassis bottom view of the present invention；
Fig. 6 is connecting column perspective view of the present invention.
In figure: the chassis 1-, 2- synchronous regulation mechanism, 201- reset tension spring, 202- through-hole, 203- connecting column, 204- gear,
205- teeth, 206- shaft, 207- empty slot, 3- bogie, 301- auxiliary wheel, 302- driving wheel, 303- crawler belt, 304- servo electricity
Machine, 305- driving wheel one, 306- transmission belt, 307- driving wheel two, 308- mounting plate, 4- fixed disk, 401- drive rod, 402- are solid
Determine block one, 403- swivelling chute one, 404- fixed block two, 405- swivelling chute two, 406- fixed frame, 407- slip ring, 408- slide bar,
409- movable stand, 5- mounting groove, 6- fixation hole, 7- groove.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description.
Fig. 1-6 is please referred to, the present invention provides a kind of technical solution: a kind of device that control equipment automatically moves, including bottom
Disk 1, the inside on chassis 1 are equipped with synchronous regulation mechanism 2, and 2 both ends of synchronous regulation mechanism are equipped with bogie 3, the top on chassis 1
Fixed disk 4 is installed.
The inside of bogie 3 include auxiliary wheel 301, driving wheel 302, crawler belt 303, servo motor 304, driving wheel 1,
Transmission belt 306, driving wheel 2 307 and mounting plate 308, under two groups of auxiliary wheels 301 are separately mounted to inside two bogies 3
Side, two driving wheels 302 are separately mounted to the top inside two bogies 3, and driving wheel 302 passes through crawler belt 303 and two
Auxiliary wheel 301 is sequentially connected, and two driving wheels 2 307 are separately mounted to the input terminal of two driving wheels 302, two mounting plates
308 are separately mounted to the lower part of the one side close to each other of two bogies 3, and two servo motors 304 are separately mounted to two peaces
The upper surface of loading board 308, servo motor 304 refer to the engine that mechanical organ operating is controlled in servo-system, are a kind of benefits
The indirect speed change gear of motor is helped, can make to control speed, position precision is very accurate, can convert voltage signal to torque and turn
Speed is controlled with drive control object, rotor speed by input signal, and energy fast reaction, when voltage signal is zero, no rotation
The control terminal of phenomenon, servo motor 304 is equipped with electric machine controller, controlled by the active of integrated circuit motor according to
Direction, speed, angle and the response time of setting work, and servo motor 304 is equipment well known to existing equipment, and
Control system in the apparatus uses control system more mature in the prior art according to the demand for control of operator
System, two driving wheels 1 are separately mounted to the output end of two servo motors 304, and driving wheel 1 passes through transmission belt
306 are sequentially connected with driving wheel 2 307.
The lower section of fixed disk 4 includes drive rod 401, fixed block 1, swivelling chute 1, fixed block 2 404, swivelling chute
2 405, fixed frame 406, slip ring 407, slide bar 408 and movable stand 409, two groups of fixed blocks 1 are separately mounted to 4 bottom of fixed disk
The left and right sides in face, two movable stands 409 are separately mounted to the middle part of the one side close to each other of two bogies 3, and two groups are fixed
Block 2 404 is separately mounted to the upper surface of two movable stands 409, and two groups of drive rods 401 are individually positioned in two movable stands 409
Top, the bottom end of each drive rod 401 offer swivelling chute 1, and each swivelling chute 1 passes through pin shaft and fixed block
2 404 fixed hinges, the top of each drive rod 409 offers swivelling chute 2 405, and each swivelling chute 2 405 passes through
Pin shaft and one 402 fixed hinge of fixed block.
Synchronous regulation mechanism 2 includes reset tension spring 201, through-hole 202, connecting column 203, gear 204, teeth 205, shaft
206 and empty slot 207, two groups of connecting columns 203 are set in the left and right sides on chassis 1, and two groups of connecting columns 203 be located remotely from each other one
Side is fixedly connected with two one sides close to each other of bogie 3 respectively, offers empty slot between every group of connecting column 203
207, the inside on chassis 1 is fixedly hinged with gear 204 by shaft 206, and gear 204 is located at the inside of empty slot 207, Mei Gekong
The inner sidewall of slot 207 is fixedly installed with teeth 205 compatible with gear 204, and teeth 205 are meshed with gear 204.
Further, the middle part of 1 left and right sides of chassis opens up fluted 7, and two mounting plates 308 extend respectively to two
The inside of groove 7, and the width value of mounting plate 308 be less than groove 7 width value, can to bogie 3 adjust during,
The problem of making mounting plate 308 be able to carry out movement in groove 7, and Caton when moving can be prevented.
Further, fixed frame 406 is fixedly mounted on the middle part of 1 upper surface of chassis, and two slide bars 408 are separately mounted to two
The left and right sides of a fixed frame 406 can further be limited by moving direction of the slide bar 408 to movable stand 409.
Further, two slip rings 407 are embedded in the middle part of the one side close to each other of two movable stands 409 respectively, each
Slide bar 408 runs through slip ring 407 and extends to the inside of movable stand 409, preferably moves to the position of movable stand 409,
And increase the load-bearing capacity of movable stand 409.
Further, four edges of 4 upper surface of fixed disk offer mounting groove 5, and the inside of each mounting groove 5 is equal
Fixation hole 6 is offered, bolt installation preferably is carried out to equipment and is fixed.
Further, through-hole 202 is provided between two grooves 7, and reset tension spring 201 is fixedly mounted on two mounting racks
Between 308, and reset tension spring 201 is located at the inside of through-hole 202, can pass through the recovery of reset tension spring 201 after detaching equipment
Ability pulls the device to restore to initial position, facilitates install and use next time.
Working principle: carrying out installation fixation by bolt to the installing port of device bottom by mounting groove 5 and fixation hole 6,
And after equipment installation, the gravity of equipment itself presses fixed disk 4 and moves down, to press two by drive rod 401
Movable stand 409 is moved to two sides, in the process of moving, two bogies 3 be moved to two sides, to increase
The big wheelspan of the device, can greatly enhance to the stability compared with heavy equipment when mobile during use, provide
The mobile safety of the device, press two bogies 3 it is mobile to two sides when, pull two groups of connecting columns 203 to carry out opposite move
It is dynamic, and in the process of moving, drive the gear 204 of center to be rotated, and pass through gear 204 and teeth 205
Engaged transmission, can guarantee the equal length that two sides bogie 3 removes, and can be avoided after mounting, equipment one end compared with
Weight moves side and removes adjusting, the constant problem in the other side, to improve the device according to equipment self gravity come to wheelspan
The ability of adjusting so that adjusting using more safety and stability, and after dismantling to equipment, passes through reset tension spring 201
Recovery capability pull two bogies 3 to reset, to make fixed disk 4 be located at extreme higher position by transmission mechanism, facilitate next time
It installs and uses, the effect that wheelspan changes automatically when the device installs different weight equipment is improved, after mounting, by this
The control system control servo motor 304 of device is operated, and drives driving wheel 1 to be rotated, to pass through transmission belt
306 transmission rotates driving wheel 2 307, and driving wheel 302 is driven to be rotated, to be driven by driving wheel 302
Crawler belt 303 is rotated between driving wheel 302 and auxiliary wheel 301, to drive the device to be moved automatically by crawler belt 303
It is dynamic, and by two independent servo motors 304, the device can be made to turn or turn around when moving more flexibly,
Improve the mobile effect of device control.
Claims (6)
1. a kind of device that control equipment automatically moves, including chassis (1), it is characterised in that: install the inside of the chassis (1)
Have synchronous regulation mechanism (2), synchronous regulation mechanism (2) both ends are equipped with bogie (3), the top peace of the chassis (1)
Equipped with fixed disk (4)；
The inside of the bogie (3) includes auxiliary wheel (301), driving wheel (302), crawler belt (303), servo motor (304), passes
Driving wheel one (305), transmission belt (306), driving wheel two (307) and mounting plate (308), auxiliary wheel described in two groups (301) are pacified respectively
The lower section internal mounted in two bogies (3), two driving wheels (302) are separately mounted to two bogies (3) inside
Top, and driving wheel (302) is sequentially connected by crawler belt (303) and two auxiliary wheels (301), two driving wheels two
(307) it is separately mounted to the input terminal of two driving wheels (302), two mounting plates (308) are separately mounted to two drivings
The lower part of frame (3) one side close to each other, two servo motors (304) are separately mounted to the upper of two mounting plates (308)
Surface, two driving wheels one (305) are separately mounted to the output end of two servo motors (304), and driving wheel one (305)
It is sequentially connected by transmission belt (306) and driving wheel two (307)；
The lower section of the fixed disk (4) includes drive rod (401), fixed block one (402), swivelling chute one (403), fixed block two
(404), swivelling chute two (405), fixed frame (406), slip ring (407), slide bar (408) and movable stand (409), it is fixed described in two groups
Block one (402) is separately mounted to the left and right sides of fixed disk (4) bottom surface, and two movable stands (409) are separately mounted to two
The middle part of bogie (3) one side close to each other, fixed block two (404) described in two groups are separately mounted to two movable stands (409)
Upper surface, drive rod described in two groups (401) is individually positioned in the top of two movable stands (409), each drive rod
(401) bottom end offers swivelling chute one (403), and each swivelling chute one (403) passes through pin shaft and fixed block two
(404) top of fixed hinge, each drive rod (401) offers swivelling chute two (405), and each swivelling chute two
(405) pass through pin shaft and fixed block one (402) fixed hinge；
The synchronous regulation mechanism (2) includes reset tension spring (201), through-hole (202), connecting column (203), gear (204), teeth
(205), shaft (206) and empty slot (207), connecting column described in two groups (203) are set in the left and right sides of chassis (1), and two
The one side that group connecting column (203) is located remotely from each other is fixedly connected with two bogie (3) one sides close to each other respectively, and every group
It is offered empty slot (207) between the connecting column (203), the inside of the chassis (1) is fixedly hinged with by shaft (206)
Gear (204), and gear (204) is located at the inside of empty slot (207), the inner sidewall of each empty slot (207) is fixedly mounted
Have with gear (204) compatible teeth (205), and teeth (205) are meshed with gear (204).
2. a kind of device that control equipment automatically moves according to claim 1, it is characterised in that: the chassis (1) is left
The middle part of right two sides opens up fluted (7), and two mounting plates (308) extend respectively to the inside of two grooves (7), and
The width value of mounting plate (308) is less than the width value of groove (7).
3. a kind of device that control equipment automatically moves according to claim 1, it is characterised in that: the fixed frame
(406) it is fixedly mounted on the middle part of chassis (1) upper surface, two slide bars (408) are separately mounted to two fixed frames (406)
Left and right sides.
4. a kind of device that control equipment automatically moves according to claim 1, it is characterised in that: two slip rings
(407) it is embedded in the middle part of two movable stand (409) one sides close to each other respectively, each slide bar (408) is through cunning
Ring (407) and the inside for extending to movable stand (409).
5. a kind of device that control equipment automatically moves according to claim 1, it is characterised in that: the fixed disk (4)
Four edges of upper surface offer mounting groove (5), and the inside of each mounting groove (5) offers fixation hole (6).
6. a kind of device that control equipment automatically moves according to claim 1, it is characterised in that: the through-hole (202)
It is provided between two grooves (7), the reset tension spring (201) is fixedly mounted between two mounting racks (308), and resets and draw
Spring (201) is located at the inside of through-hole (202).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910358980.5A CN110026965B (en) | 2019-04-30 | 2019-04-30 | Device for controlling automatic movement of equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910358980.5A CN110026965B (en) | 2019-04-30 | 2019-04-30 | Device for controlling automatic movement of equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110026965A true CN110026965A (en) | 2019-07-19 |
| CN110026965B CN110026965B (en) | 2021-06-04 |
Family
ID=67241041
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910358980.5A Active CN110026965B (en) | 2019-04-30 | 2019-04-30 | Device for controlling automatic movement of equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110026965B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110374307A (en) * | 2019-07-29 | 2019-10-25 | 中铁贵州工程有限公司 | A kind of intelligent robot can be used for construction |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4196918A (en) * | 1978-05-17 | 1980-04-08 | Motor Wheel Corporation | Utility trailer frame assembly |
| CN102514626A (en) * | 2011-12-26 | 2012-06-27 | 中国农业大学 | Wheel track adjustable agricultural vehicle chassis |
| CN102582705A (en) * | 2012-03-09 | 2012-07-18 | 浙江理工大学 | Tread-variable center-height-adjustable disaster relief robot |
| CN103072644A (en) * | 2013-01-22 | 2013-05-01 | 赵明 | Crawler type pesticide spraying wheel track regulating device |
| CN103231625A (en) * | 2013-04-08 | 2013-08-07 | 浙江吉利汽车研究院有限公司杭州分公司 | Telescopic device and vehicle provided with same |
-
2019
- 2019-04-30 CN CN201910358980.5A patent/CN110026965B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4196918A (en) * | 1978-05-17 | 1980-04-08 | Motor Wheel Corporation | Utility trailer frame assembly |
| CN102514626A (en) * | 2011-12-26 | 2012-06-27 | 中国农业大学 | Wheel track adjustable agricultural vehicle chassis |
| CN102582705A (en) * | 2012-03-09 | 2012-07-18 | 浙江理工大学 | Tread-variable center-height-adjustable disaster relief robot |
| CN103072644A (en) * | 2013-01-22 | 2013-05-01 | 赵明 | Crawler type pesticide spraying wheel track regulating device |
| CN103231625A (en) * | 2013-04-08 | 2013-08-07 | 浙江吉利汽车研究院有限公司杭州分公司 | Telescopic device and vehicle provided with same |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110374307A (en) * | 2019-07-29 | 2019-10-25 | 中铁贵州工程有限公司 | A kind of intelligent robot can be used for construction |
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| Publication number | Publication date |
|---|---|
| CN110026965B (en) | 2021-06-04 |
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Effective date of registration: 20221130 Address after: 471000 room 410, building 3-2, science and Technology Park, Luoyang National University, No. 2, Penglai Road, Jianxi District, Luoyang area, China (Henan) pilot Free Trade Zone, Luoyang City, Henan Province Patentee after: Henan enthalpy control electronic technology Co.,Ltd. Address before: 471003 No.8, Fenghua Road, high tech Zone, Luoyang City, Henan Province Patentee before: LUOYANG INSTITUTE OF SCIENCE AND TECHNOLOGY |