CN107676584B - Electric adjusting bracket for accelerator - Google Patents
Electric adjusting bracket for accelerator Download PDFInfo
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- CN107676584B CN107676584B CN201710923331.6A CN201710923331A CN107676584B CN 107676584 B CN107676584 B CN 107676584B CN 201710923331 A CN201710923331 A CN 201710923331A CN 107676584 B CN107676584 B CN 107676584B
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- 238000013519 translation Methods 0.000 claims abstract description 139
- 230000033001 locomotion Effects 0.000 claims abstract description 38
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- 230000009471 action Effects 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 abstract description 5
- 210000001503 joint Anatomy 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 7
- 238000004804 winding Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 239000003638 chemical reducing agent Substances 0.000 description 3
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- 239000010951 brass Substances 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/043—Allowing translations
- F16M11/045—Allowing translations adapted to left-right translation movement
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/043—Allowing translations
- F16M11/046—Allowing translations adapted to upward-downward translation movement
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/18—Heads with mechanism for moving the apparatus relatively to the stand
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/20—Undercarriages with or without wheels
- F16M11/2007—Undercarriages with or without wheels comprising means allowing pivoting adjustment
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/20—Undercarriages with or without wheels
- F16M11/2085—Undercarriages with or without wheels comprising means allowing sideward adjustment, i.e. left-right translation of the head relatively to the undercarriage
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Wind Motors (AREA)
- Transmission Devices (AREA)
Abstract
The application discloses an electrically adjustable support for accelerator, include: a base; the adjusting plate is fixed on the base and comprises a vertical moving plate and a translation plate which are stacked; the lifting adjusting system is arranged between the base and the vertical moving plate; and the horizontal adjusting system is positioned between the vertical moving plate and the translation plate and used for controlling the translation plate to move and rotate relative to the vertical moving plate in the horizontal direction. According to the electric adjusting bracket for the accelerator, the automatic lifting of the adjusting plate is realized through the lifting adjusting system, and the inclination angle of the adjusting plate can be realized by controlling the worm and gear lifter of the lifting adjusting system to be synchronous and asynchronous; the horizontal adjusting structure arranged between the vertical moving plate and the translation plate can realize horizontal transverse movement, longitudinal movement and rotation movement of the translation plate relative to the vertical moving plate, so that the number of layers of the adjusting plate is reduced while automatic control of the adjusting plate is realized, a horizontal adjusting system is simplified, occupied space is small, and equipment is miniaturized.
Description
Technical Field
The application relates to the field of accelerators, in particular to an electric adjusting bracket for supporting accelerator components.
Background
In the field of accelerators, an accelerator device generally comprises several important components, which require the use of a common support platform or a single support rack to carry the various components and bring them to a predetermined position and height. These stents generally serve two purposes: firstly, the device plays a role of a supporting platform, so that the element is close to an ideal theoretical position; the other is as a fine adjustment system, which allows the collimator personnel to conveniently, quickly and accurately collimate the element to within the required tolerance. Spallation neutron sources are high intensity proton accelerator devices consisting of low energy linacs and fast cycle synchrotrons (RCS rings). The weight of the magnet in the RCS ring is close to 20 tons, the support, adjustment and positioning are realized through a special bracket, and the alignment precision of the magnet is directly influenced by the size of the bracket adjustment essence.
Many laboratories such as European synchrotron radiation light source (ESRF), japanese large synchrotron radiation light source (Spring-8) and domestic Beijing positive and negative electron clash machine (BEPCII), shanghai light source (SSRF), taiwan neutron light source (TPS) and Japanese J-PARC adopt mechanical co-frame assembly structures. If a plurality of magnets are all arranged on a large support, the eccentric wheels on 6 support columns are used for controlling the rotation of the eccentric wheels through motors connected with the eccentric wheels, so that the eccentric fine adjustment of the whole support is realized. This structure has a small adjustment range in each direction due to the restriction of the eccentric. The eccentric wheel is directly connected with the motor, and the bearing capacity is lower. Meanwhile, the supports are matched with each other for adjustment of 6 eccentric wheels, the adjustment mode of the supports is not visual, the adjustment of each direction is performed by a program, the adjustment quantity and the adjustment speed of each motor are accurately calculated, and the adjustment is difficult.
And another more conventional form of construction is a stacked form of construction. Generally, a three-layer structure is adopted, a linear guide rail is used, each layer independently realizes the adjusting function of the bracket, and displacement adjustment in one linear direction is carried out along the guide rail. The top layer is responsible for rotary motion, the middle layer is responsible for horizontal transverse movement, the bottom layer is responsible for horizontal longitudinal movement, and manual adjustment is adopted for adjustment of each layer of the support.
However, the number of layers of the designed bracket is at least 3, so that the structural form of the bracket is relatively large, the bracket is manually adjusted, the adjusting speed is low, and the accuracy is poor.
Disclosure of Invention
The invention provides an electric adjusting bracket for an accelerator, and aims to solve the problems of bulkiness in structure and inconvenience in adjustment of the existing adjusting bracket of the accelerator.
An electrically adjustable mount for an accelerator, comprising:
a base;
the adjusting plate is fixed on the base and comprises a vertical moving plate and a translation plate which are stacked, and the translation plate is positioned above the vertical moving plate;
the lifting adjusting system is arranged between the base and the vertical moving plate and used for controlling the lifting of the whole adjusting plate;
the horizontal adjusting system is positioned between the vertical moving plate and the translation plate and is used for controlling the translation plate to move and rotate relative to the vertical moving plate in the horizontal direction.
The electric adjusting bracket for the accelerator comprises a horizontal transverse adjusting mechanism for controlling the translation plate to move horizontally and transversely and a horizontal longitudinal adjusting mechanism for controlling the translation plate to move horizontally and longitudinally and rotate, wherein the horizontal longitudinal adjusting mechanisms are parallel to each other and are respectively arranged at two sides of the translation plate.
The electric adjusting bracket for the accelerator comprises a horizontal longitudinal adjusting mechanism, a vertical adjusting mechanism and a horizontal adjusting mechanism, wherein the horizontal longitudinal adjusting mechanism comprises a first telescopic part fixedly connected with the translation plate and a first fixing part fixedly connected with the vertical plate and used for driving the first telescopic part to move along the axial direction of the first telescopic part; the first telescopic part is fixedly connected with the translation plate through a spherical pair or a revolute pair, the first fixed part is fixedly connected with the perpendicular moving plate through a revolute pair and is used for rotating around the connection part of the first fixed part and the perpendicular moving plate when the translation plate and the perpendicular moving plate are subjected to horizontal and transverse relative displacement, and the first telescopic part can rotate around the connection part of the first telescopic part and the perpendicular moving plate.
The electric adjusting bracket for the accelerator is characterized in that the first fixing part is a ball screw mounting seat for fixing a ball screw, and the first telescopic part is a ball screw matched with the ball screw.
The electric adjusting bracket for the accelerator is characterized in that the end part of the ball screw is fixedly connected with the translation plate through a ball bearing, and the ball screw mounting seat is fixedly connected with the vertical moving plate through a vertical moving plate connecting shaft perpendicular to the surface of the vertical moving plate.
The electric adjusting bracket for the accelerator comprises a horizontal transverse adjusting mechanism and a vertical moving plate, wherein the horizontal transverse adjusting mechanism comprises a second telescopic part fixedly connected with the horizontal moving plate and a second fixing part fixedly connected with the vertical moving plate and used for driving the second telescopic part to move along the axial direction of the second telescopic part; the second telescopic part is fixedly connected with the translation plate through a spherical pair or a revolute pair, the second fixed part is fixedly connected with the vertical motion plate through a spherical pair or a revolute pair and is used for rotating around the connection parts of the other vertical motion plates when the translation plate and the vertical motion plate are subjected to relative displacement along the horizontal and longitudinal directions, and the second telescopic part can rotate around the connection parts of the second telescopic part and the vertical motion plate.
The electric adjusting bracket for the accelerator is characterized in that the second fixing part is a machine body of a worm gear lifter fixedly connected with the translation plate, the second telescopic part is a telescopic screw rod of the worm gear lifter, and the telescopic screw rod is driven by the machine body to be capable of lifting along the axial direction of the telescopic screw rod.
The electric adjusting bracket for the accelerator is characterized in that the end part of the telescopic screw rod is fixedly connected with the translation plate through a second joint bearing, and the machine body is fixedly connected with the vertical moving plate through a first joint bearing.
The electric adjusting bracket for the accelerator is characterized in that the translation plate is provided with a boss which protrudes downwards and is contacted with the vertical moving plate and is used for supporting the translation plate, two horizontal longitudinal adjusting mechanisms are arranged between the translation plate and the vertical moving plate and are respectively positioned at two sides of the boss, the surface of the center of the bottom of the boss is concave, a concave cavity for accommodating the horizontal transverse adjusting mechanisms is formed, and sliding blocks for reducing friction are respectively fixed on the surfaces of the boss and the vertical moving plate.
The electric adjusting bracket for the accelerator is characterized in that the lifting adjusting system comprises a worm gear lifter arranged at the bottom of the vertical plate and used for lifting the vertical plate.
According to the electric adjusting bracket for the accelerator, the automatic lifting of the adjusting plate is realized through the lifting adjusting system, and the inclination angle of the adjusting plate can be realized by controlling the worm and gear lifter of the lifting adjusting system to be synchronous and asynchronous; the horizontal adjusting structure arranged between the vertical moving plate and the translation plate can realize horizontal transverse movement, longitudinal movement and rotation movement of the translation plate relative to the vertical moving plate, so that the number of layers of the adjusting plate is reduced while automatic control of the adjusting plate is realized, a horizontal adjusting system is simplified, occupied space is small, and equipment is miniaturized.
Drawings
Fig. 1 is a schematic view of the overall structure of an electric adjusting bracket according to a first embodiment of the present invention;
FIG. 2 is an exploded view of an electrically adjustable bracket according to a first embodiment of the present invention;
FIG. 3 is a front view of a translation plate according to a first embodiment of the present invention;
FIG. 4 is a rear view of a translation plate according to a first embodiment of the present invention;
FIG. 5 is a schematic view of a horizontal and vertical adjustment mechanism according to a first embodiment of the present invention;
FIG. 6 is a cross-sectional view taken along line A-A of FIG. 5;
FIG. 7 is a schematic view of a horizontal transverse adjustment mechanism according to a first embodiment of the present invention;
FIG. 8 is a schematic view of a horizontal locking mechanism according to a first embodiment of the present invention;
FIG. 9 is a schematic diagram of a lifting adjustment system according to a first embodiment of the present invention;
FIG. 10 is a schematic view of a lifting locking device according to a first embodiment of the present invention;
FIG. 11 is a cross-sectional view taken along line A-A of FIG. 10;
FIG. 12 is a schematic diagram of a control device according to a first embodiment of the present invention;
FIG. 13 is a schematic diagram of a motor unit according to a first embodiment of the present invention;
FIG. 14 is a schematic view showing a usage state of the control device according to the first embodiment of the present invention;
FIG. 15 is a schematic view showing another usage status of the control device according to the first embodiment of the present invention;
fig. 16 is a schematic structural view of a winding box according to the first embodiment of the present invention;
FIG. 17 is a cross-sectional view taken along line A-A of FIG. 16;
FIG. 18 is a schematic circuit diagram of a terminal and an electrically adjustable bracket according to a first embodiment of the present invention;
fig. 19 is a schematic view showing the overall structure of an electric adjusting bracket according to a second embodiment of the present invention.
Reference numerals of the drawings in this embodiment:
a base 1; a through hole 10;
a vertical movement plate 2; a second fenestration 202;
a translation plate 3; a boss 30; a cavity 301; a first fenestration 302; a connection flange seat 31; a slider 32; a horizontal locking mechanism 33; horizontal locking bolt 331; an adjustment aperture 332; a first locking pad 333; a second locking pad 334; a first horizontal lock nut 335; a second horizontal lock nut 336; a first transverse mount 34; a second transverse mount 35;
a horizontal longitudinal adjustment mechanism 4; a ball screw mount 40; a sliding bearing 401; a flap plate connecting shaft 402; a decelerator 403; a stepping motor 404; a thrust bearing 405; a ball screw 41; a ball screw 42; a third connecting flange 43; a third knuckle bearing 421; a translation plate connecting shaft 422;
a horizontal lateral adjustment mechanism 5; a worm gear lifter 50; a body 51; a first knuckle bearing 510; a first connection flange 511; a second connection flange 512; a telescopic screw 52; a second knuckle bearing 520; a speed reducing motor 53;
a worm gear lifter 6; lifting a screw 60; a lift lock 61; a ball socket connection 611; ball flange 612; lifting a locking bolt 62; a lifting fixing base 63; a first lift lock shim 64; a second lifting locking washer 65; a first lifting lock nut 66 and a second lifting lock nut 67;
a control device 7; a mobile cart 70; a motor unit 71; a moving wheel 710; mounting a base plate 711; mounting a side plate 712; mounting a top plate 713; a gear motor 714; an adapter sleeve 715; a sleeve 716; positioning screw 717; a wing nut 718; an anti-slip soft rubber pad 719; a long link 721; a short link 722; a terminal 73; a touch screen 730; a PLC controller 731; a driver 732; a carrier plate 74; a winding box 75; and a winder 76.
Detailed Description
The present application is described in further detail below with reference to the accompanying drawings by way of specific embodiments.
The electric adjusting bracket for the accelerator provided in the embodiment, as shown in fig. 1 and 2, comprises a base 1 and an adjusting plate arranged on the base 1. The adjusting plate comprises a vertical moving plate 2 and a translation plate 3 which are stacked on the base 1 from bottom to top. A lifting adjusting system for controlling the whole lifting of the vertical moving plate 3 is arranged between the base 1 and the vertical moving plate 2, and a horizontal adjusting system for controlling the horizontal moving plate to move or rotate in the horizontal direction is also arranged between the vertical moving plate 2 and the horizontal moving plate 3. The horizontal adjusting system comprises a horizontal transverse adjusting mechanism 5 for controlling the translation plate 3 to transversely move along the horizontal direction, and a horizontal longitudinal adjusting mechanism 4 for controlling the translation plate 3 to horizontally and longitudinally move. The horizontal longitudinal adjusting mechanisms are respectively arranged at two sides of the translation plate 3, when the horizontal longitudinal adjusting mechanisms at two sides of the translation plate 3 control the translation plate 3 to move along the same direction, the translation plate 3 moves along the horizontal longitudinal direction, and when the horizontal longitudinal adjusting mechanisms at two sides control the translation plate 3 to move along two opposite directions, the translation plate 3 performs horizontal rotation movement within a certain angle range. The upper surface of the translation plate 3 is provided with a plurality of connecting flange seats 31 for bearing corresponding components, and the connecting flange seats 31 bear the weight of the electrical components together in multiple points and fix the components.
As shown in fig. 2 and 4, a boss 30 protruding downward is formed on the lower surface of the translation plate 3, and the boss 30 is in direct contact with the vertical movement plate 2, so that the translation plate 3 is supported on the surface of the vertical movement plate 2. The horizontal and longitudinal adjusting mechanism is arranged between the translation plate 3 and the vertical plate 2, and is respectively arranged at two sides of the boss 30. The boss 30 is recessed from its bottom center surface to form a cavity 301 for receiving a horizontal lateral adjustment mechanism. Since the surface of the translation plate 3 needs to bear components with extremely large weight, such as an accelerator leading-out magnet with a weight of 20 tons, great friction exists between the boss 30 and the vertical moving plate 2 when the boss and the vertical moving plate are relatively moved. Since the device is in an accelerator tunnel environment with strong radiation, the conventional grease lubrication mode is easy to fail, and in order to solve the problem, in this embodiment, a slider 32 for reducing friction is fixed to a portion of the boss 30 contacting with the surface of the vertical moving plate 2. The sliding blocks 32 comprise a group of mutually overlapped sliding blocks, one sliding block is fixed on the bottom surface of the boss 30, the other sliding block is fixed on the corresponding position of the top surface of the vertical moving plate 2, and four supporting points are arranged between the boss 30 and the vertical moving plate 2 in the embodiment, and each supporting point is provided with a group of sliding blocks 32. The slider 32 is a brass base material, and graphite is inlaid on the contact surface. In this embodiment of the present application, the electric adjusting bracket is mainly used for carrying the accelerator leading-out magnet that needs to be aligned, and its adjusting range is relatively small, so that the area of the sliding block 32 is based on the moving range that can satisfy the translation plate 3, and it is ensured that in the moving process of the translation plate 3, two opposite sliding blocks 32 are always kept in contact with each other.
As shown in fig. 1, the lifting adjustment system comprises four worm gear lifters 6 arranged on the base 1, lifting screws 60 of the worm gear lifters 6 are in contact with the bottom surface of the vertical motion plate 2, and the four worm gear lifters 6 are divided into four supporting points to support the whole vertical motion plate 2. In this embodiment, the components carried by the translation plate 3 are mainly accelerator leading magnets, the translation plate 3 needs to bear the weight of the magnets, and for such bending magnets as leading magnets, in order to make the stress of each supporting point uniform, the connecting lines of the placing positions of the bracket connecting flange seat 31 form a parallelogram. The centroid of the quadrangle coincides with the center of gravity of the magnet. As shown in fig. 3 and 4, the sliding blocks 32 at the bottom of the translation plate 3 correspond to the positions of the four worm and gear lifters 6 in the vertical direction, and are respectively located at four corners of the vertical movement plate 2, and the connecting lines of the sliding blocks and the four corners form a rectangle. By adopting the design, the gravity center of the translation plate 3 is overlapped with the geometric center of the connecting line of the sliding blocks 32, meanwhile, the gravity center of the vertical motion plate 2 is overlapped with the geometric center of the connecting line of the four worm and gear lifters 6, so that the bearing capacity of the bracket is improved, and a plurality of reinforcing ribs 33 are arranged inside the boss 30, so that the bending resistance of the translation plate is improved.
As shown in fig. 2, the horizontal and longitudinal adjustment mechanism 4 includes a first telescopic portion and a first fixing portion, one end of the first telescopic portion is fixedly connected with the translation plate 3 through a spherical pair or a revolute pair, the first fixing portion is fixedly connected with the vertical plate 2 through a revolute pair, and the first fixing portion is used for driving the first telescopic portion to move along an axial direction (horizontal and longitudinal direction) thereof, so as to drive the translation plate 3 to move along the horizontal and longitudinal direction.
Specifically, as shown in fig. 5 and 6, the first fixing portion is a ball screw mounting seat 40 provided with a ball screw 41, and the ball screw mounting seat 40 is fixedly connected with the vertical moving plate 2 through a revolute pair; the first telescopic part is a ball screw 42 matched with the ball screw, one end of the ball screw 42 is meshed with the ball screw 41, and the other end of the ball screw is fixedly connected with the translation plate 3 through a moving pair or a rotating pair. Wherein, hang down and move board 2 and be equipped with the slide bearing 401 of its surface perpendicularly, ball screw mount pad 40 realizes the fixed connection who hangs down and move board 2 through a perpendicular board connecting axle 402 that suits with slide bearing 401, in this application other embodiments, slide bearing 401 and perpendicular move board connecting axle 402 still can be other forms revolute pairs, for example ball screw mount pad 40 through with hang down and move board 2 articulated, realize when translation board 3 moves along horizontal transverse direction, ball screw mount pad 40 can rotate in the direction that is on a parallel with the surface of hang down and move board 2. The ball screw mounting seat 40 is fixedly provided with a stepping motor 404 connected with a speed reducer 403, the speed reducer 403 is connected with the ball screw 41 through a thrust bearing 405, one end of the ball screw 42 is meshed with the end part of the ball screw 41, the other end of the ball screw is fixedly connected with the translation plate 3 through a third joint bearing 421, and the third joint bearing 421 is sleeved on a translation plate connecting shaft 422 penetrating through the surface of the translation plate 3, so that the fixed connection between the ball screw 42 and the translation plate 3 is realized. The third joint bearing 421 and the ball screw 42 are fixedly connected by a third connecting flange 43.
When the stepping motor 404 drives the ball screw 41 to rotate through the reducer 403 to drive the ball screw 42 to move toward the ball screw mounting seat 40, the ball screw 42 transmits a tensile force to the translation plate 3 through the third joint bearing 421 and the translation plate connecting shaft 422, so that the translation plate 3 is pulled to move in a horizontal plane. When the ball screws 42 at both sides of the boss 30 pull or push the translation plate 3 in the same direction, the translation plate 3 moves longitudinally in the horizontal plane (the longitudinal direction is the axial direction of the ball screw 42), and when the ball screws 42 at both sides of the boss 30 apply a force to the translation plate 3 reversely, that is, the ball screw 42 at one side pulls the translation plate 3, and the ball screw 42 at the other side pushes the translation plate 3 in the opposite direction, the translation plate 3 rotates in the horizontal plane at this time.
The horizontal transverse adjusting mechanism 5 comprises a second fixing part and a second telescopic part, wherein the second fixing part and the second telescopic part are arranged between the two horizontal longitudinal adjusting mechanisms 4, the second fixing part and the vertical moving plate 2 are fixedly connected through a spherical pair, one end of the second telescopic part and the translation plate 3 are fixedly connected through the spherical pair, the other end of the second telescopic part is driven by the second fixing part and can reciprocate horizontally and transversely, and accordingly the translation plate 3 is driven to move horizontally and transversely. When the translation plate 3 moves or rotates along the horizontal and longitudinal directions, the second fixing part and the vertical moving plate 2 relatively rotate through the spherical pair connecting the two, and the second telescopic part also relatively rotates with the translation plate 3 through the corresponding spherical pair.
Specifically, as shown in fig. 7, the second fixing portion is a body 51 of the worm gear lifter 50, and the second telescopic portion is a telescopic screw 52 of the worm gear lifter 50. The lower surface of the translation plate 3 is provided with a first transverse installation seat 34, the upper surface of the translation plate 2 is provided with a second transverse installation seat 35, the machine body 51 of the worm gear and worm lifter 50 is fixedly connected with the second transverse installation seat 35 on the upper surface of the translation plate 2 through a first joint bearing 510, and the end part of the telescopic screw rod 52 is fixedly connected with the first transverse installation seat 34 on the lower surface of the translation plate 3 through a second joint bearing 520. The first joint bearing 510 is connected with the second transverse mounting seat 35 through a first connecting flange 511, the second joint bearing 520 is connected with the first transverse mounting seat 34 through a second connecting flange 512, and in order to reduce the influence of the rotation action of the translation plate 3 on the horizontal transverse adjusting mechanism 5, when the horizontal longitudinal adjusting mechanism 4 controls the rotation of the translation plate 3, the rotation center of the horizontal longitudinal adjusting mechanism is overlapped with the position of the second joint bearing 520 in the vertical direction. The body 51 of the worm gear lifter 50 and the telescopic screw rod 52 are both disposed in the concave cavity 301 on the lower surface of the boss 30, and the rotating shafts of the first joint bearing 510 and the second joint bearing 520 extend longitudinally along the horizontal direction, so that the body 51 can freely rotate relative to the vertical moving plate 2 in the vertical direction, and a certain amount of activity can exist in other directions, and similarly, the telescopic screw rod 52 can freely rotate relative to the translational plate 3 in the vertical direction and a certain amount of activity also exists in other directions. When the telescopic screw rod 52 stretches and contracts under the drive of the machine body 51, the translation plate 3 is pushed to move horizontally and transversely, and therefore the position of the translation plate 3 in the horizontal and transverse direction is adjusted.
The machine body 51 is also fixedly connected with a gear motor 53, and the gear motor 53 drives the worm gear lifter 50 to work, so that the translation plate 3 is controlled to move horizontally and transversely.
In this embodiment, when the translation plate 3 is adjusted by the horizontal and longitudinal adjustment mechanism 4, the distance between the connection point of the machine body 51 and the vertical movement plate 2 and the connection point of the telescopic screw rod 52 and the translation plate 3 will change slightly, in order to solve this problem, in this embodiment, the connection point of the first joint bearing 510 and the vertical movement plate 2 adopts clearance fit, when the horizontal and longitudinal movement of the translation plate 3 exceeds the clearance fit range, under the action of the horizontal and transverse adjustment structure, the translation plate 3 will move slightly horizontally and transversely, but this slight transverse movement is within the allowable error range of the electric adjustment bracket in the whole adjustment space, so that no influence is made. Similarly, when the translation plate 3 performs horizontal and horizontal adjustment, the horizontal and longitudinal adjustment mechanism can cause the translation plate 3 to generate a tiny longitudinal movement, and the tiny longitudinal movement is also within the allowable error range of the electric adjustment bracket.
As shown in fig. 1-4, for installation convenience, a first window 302 is provided at a position corresponding to the concave cavity 301 of the translation plate 3, the first window 302 is communicated with the concave cavity 301, and similarly, a second window 202 opposite to the first window 302 is provided at a position corresponding to the concave cavity 301 on the surface of the vertical plate 2. Due to the provision of the first and second windows 302, 202, an operating space is provided for the installation of the horizontal lateral adjustment mechanism, facilitating assembly and maintenance of the apparatus.
As shown in fig. 1 and 8, the edges on both sides of the translation plate 3 are respectively provided with a horizontal locking mechanism 33, the horizontal locking mechanism 33 comprises a horizontal locking bolt 331 which is connected with the translation plate 3 and the translation plate 2 from bottom to top, the horizontal locking bolt 331 sequentially passes through the translation plate 3 and the translation plate 2 from the bottom of the translation plate 2, the surface of the translation plate 3 is provided with an adjusting hole 332, and the inner diameter of the adjusting hole 332 is only different from the horizontal locking bolt 331 by more than the maximum adjusting range of the translation plate 3. The surface of the translation plate 3 is also provided with a first locking base plate 333 and a second locking base plate 334 which are sleeved on the horizontal locking bolt 331 at positions corresponding to the adjusting holes 332, the first locking base plate 333 is positioned on the upper surface of the translation plate 3, the second locking base plate 334 is positioned on the lower surface of the translation plate 3, the areas of the locking base plates 333 and 334 are larger than the adjusting holes 332, and the surfaces of the adjusting holes 332 can be always covered in the adjusting process of the horizontal plate 3. The horizontal locking bolts 331 are respectively provided with horizontal locking nuts 335 and 336 for fixing the two locking base plates 333 and 334, the first horizontal locking nut 335 is located above the translation plate 3 to press the first locking base plate 333 on the upper surface of the translation plate 3, and the second horizontal locking nut 336 is located below the translation plate 3 to press the second locking base plate 334 on the lower surface of the translation plate 3. When the translation plate 3 is adjusted, the two horizontal locking nuts 335 and 336 are loosened in advance, so that the horizontal locking bolt 331 can freely move in the adjusting hole 332 when the translation plate 3 and the vertical plate 2 relatively move. After the translation plate 3 is adjusted, the horizontal locking nuts 335 and 336 are tightened, so that the two locking base plates 333 and 334 clamp the translation plate 3 in the middle, and the horizontal locking bolt 331 is kept from moving in the adjusting hole 332 by friction force between the three, thereby locking the translation plate 3 and the vertical moving plate 2.
As shown in fig. 9, the end of the lifting screw 60 of the worm gear lifter 6 is fixedly connected with the vertical movement plate 2 through a ball joint bearing, a ball socket connecting disc 611 is fixedly arranged at the bottom of the vertical movement plate 2, a ball flange 612 is fixed in the ball socket connecting disc 611, and the other end of the ball flange 612 is fixedly connected with the lifting screw 60. By adopting the structural design, a rotation space with a certain angle exists between the lifting screw rod 60 and the vertical plate 2, so that the inclination angle of the vertical plate 2 in the horizontal aspect can be adjusted by only controlling the lifting height of one group of four worm and gear lifters 6 in the vertical direction to be different, and the longitudinal adjusting system can not only adjust the lifting of the vertical plate 2, but also control the inclination of the vertical plate 2.
As shown in fig. 10-11, a lifting locking device 61 is further arranged between the vertical moving plate 2 and the base 1, and comprises a lifting locking bolt 62, the tail of the lifting locking bolt 62 is fixedly connected with the bottom of the vertical moving plate 2 through a lifting fixing seat 63, a through hole 10 through which the lifting locking bolt 62 can pass is formed in the surface of the base 1, lifting locking gaskets 64 and 65 are respectively arranged on the upper surface and the lower surface of the base 1 corresponding to the through hole 10, and lifting locking nuts 66 and 67 matched with the lifting locking bolt 62 are correspondingly arranged on the lifting locking bolt 62. The first lifting locking washer 64 is positioned on the upper surface of the base 1, and is provided with a first lifting locking nut 66; the second lifting locking washer 65 is located on the lower surface of the base 1, and the second lifting locking nut 67 is located below the second lifting locking washer. Wherein, the lifting locking gaskets 64 and 65 are spherical gaskets, the centers of the lifting locking gaskets are provided with concave spherical surfaces, and the holes for the lifting locking bolts 62 to pass through are arranged at the center positions of the spherical surfaces. Correspondingly, the lifting locking nuts 66 and 67 are spherical nuts matched with the spherical gaskets, and the lifting locking bolts 62 are in clearance fit with the through holes 10, so that the lifting locking bolts 62 can have a certain inclined space in the through holes 10, and therefore, when the vertical moving plate 2 is controlled to perform lifting adjustment, a certain inclined angle is allowed to be displayed between the vertical moving plate and the horizontal plane, and the requirement of collimation is met.
In this embodiment, the horizontal transverse adjustment mechanism and the horizontal longitudinal adjustment mechanism may adopt a worm gear transmission device, a ball screw transmission device, and a hydraulic and pneumatic transmission device, and the transmission principle achieved by the two transmission devices is the same, and is not repeated.
The bottom of the worm gear lifter 6 is provided with a joint for being in butt joint with a driving device, and the joint is used for butt joint with a transmission device for driving the worm gear lifter 6 to work. The present embodiment also provides a control device 7 for controlling an electric adjusting bracket, as shown in fig. 12-15, the device includes a moving trolley 70 provided with a rotating wheel, four motor units 71 are fixed on a carrying board 74 of the moving trolley 70, a group of long connecting rods 721 and short connecting rods 722 are used for connecting the motor units 71 and the bottom joints of the worm gear lifters 6, two motor units 71 located at two sides of the carrying board 74 are in butt joint with the joints of the worm gear lifters 6 at a longer distance through the long connecting rods 721, and the other two motor units 71 are in butt joint with the joints of the two worm gear lifters 6 at a shorter distance through the short connecting rods 722. To facilitate connection of the long link 721 and the short link 722 to the worm gear lifter 6, the joints at the bottom of the worm gear lifter 6 may be abutted using universal couplings. The mobile trolley 70 is further provided with a terminal 73, the four motor units 71 are respectively and electrically connected with the terminal 73, the adjusting parameters required by the four motor units are input into the terminal 73, and the specific operation of each motor unit 71 is controlled through the terminal 73, so that the automatic control of a lifting adjusting system is realized, and the lifting of the vertical moving plate 2 is adjusted. The terminal 73 is also electrically connected with the stepping motor 404 of the horizontal and vertical adjusting mechanism 4 and the reducing motor 53 of the horizontal and horizontal adjusting mechanism 5, and controls the translation plate 3 to move horizontally and vertically by inputting adjusting parameters.
As shown in fig. 13, the motor unit 71 specifically includes a mounting base plate 711, a mounting side plate 712 perpendicular to the mounting base plate 711, and a mounting top plate 713 parallel to the mounting base plate 711 and fixedly connected to the mounting side plate 712, the mounting side plate 712 is disposed at one side edge of the mounting base plate 711, and a gear motor 714 is fixed to the mounting side plate 712, wherein the motor part of the gear motor 714 is a five-step motor so that the gear motor can be controlled more precisely. The output end of the gear motor 714 is provided with a transfer shaft sleeve 715 penetrating through the mounting side plate 712, and the transfer shaft sleeve 715 is connected with a sleeve 716 for butt joint of the connecting rod. The bottom surface of the mounting base 711 is also provided with a moving pulley 710 to facilitate movement of the motor assembly 71. The tail of the mounting bottom plate 711 is also provided with a positioning device, which comprises a positioning screw 717 penetrating through the mounting bottom plate 711, the tail of the positioning screw 717 above the mounting bottom plate 711 is provided with a butterfly nut 718 convenient for manual screwing, and the end of the positioning screw 717 below the mounting bottom plate 711 is provided with an anti-skid soft rubber pad 719. Wherein, the positioning screw 717 penetrates through the mounting bottom plate 711 through a screw hole matched with the positioning screw 717, and the butterfly nut 718 is fixed at the tail part of the positioning screw 717. When the position of the motor unit 71 needs to be adjusted, the butterfly nut 718 is screwed until the anti-slip soft rubber mat 719 is separated from the surface of the carrier plate 74 of the mobile trolley 70 (or separated from other carrier surfaces), the motor unit 71 is pushed to move through the mobile pulley 717, and after the position adjustment is finished, the butterfly nut 718 is screwed, so that the anti-slip soft rubber mat 719 is in contact with the surface of the carrier plate, and movement of the motor unit 71 is prevented in the working process.
Depending on the height of the worm gear lift 6 from the ground, it is possible to selectively fix the motor assembly 71 to the carrier plate 74 (as shown in fig. 14) or to move the motor assembly 71 to the ground (as shown in fig. 15). When the single motor unit 71 works, the possibility of overturning itself is generated due to the reaction torque of the worm gear lifter 6, and in order to avoid the problem, the mounting top plates 713 of the adjacent two motor units 71 are fixedly connected through the balance plate 77, so that the reaction torque can be mutually offset, and the stability of the motor unit 71 during operation is ensured.
As shown in fig. 16-17, the carrying board 74 is further provided with a winding box 75 for drawing in the motor units 71, a winder 76 corresponding to the four motor units 71 is arranged in the winding box 75, the winder 76 is used for winding power supply lines corresponding to the motor units 71, and when the motor units 71 need to be moved, the winding and the unwinding of the corresponding lines are realized through the winder 76, so that the winding of the lines is avoided.
As shown in fig. 18, the circuit principle of the terminal 73 and the motor unit 71 is that the terminal 73 is provided with a touch screen (POD) 730 connected to an internal PLC controller 731, each of the five stepper motors of the gear motor 714 is provided with a corresponding driver 732, and the Y0.0 port of the PLC controller 731 is a high-frequency pulse output port, and continuously emits a high-frequency input pulse for controlling the driver 732. The ports Y0.4 to Y0.7 are respectively connected with resistors R1, R2, R3, R4 for controlling the high-frequency pulse signals, and the PLC controller 731 sends different high-frequency pulse signals to control the working states of the relays KM1, KM2, KM3, KM4, so as to control the corresponding driver 732 to receive the high-frequency pulse, and further control the synchronous and asynchronous adjustment of the five stepping motors.
Example two
In this embodiment, as shown in fig. 19, each worm gear lifter 6 of the lifting adjustment system is fixedly provided with a gear motor 714, the gear motor 714 is electrically connected with a terminal 73, and the gear motor 714 solidified on the worm gear lifter 6 is controlled by the terminal 73 to realize synchronous or asynchronous operation of the four worm gear lifters 6, so as to adjust the lifting of the vertical plate 2.
According to the electric adjusting bracket for the accelerator, the automatic lifting of the adjusting plate is realized through the lifting adjusting system, and the inclination angle of the adjusting plate can be realized by controlling the worm and gear lifter of the lifting adjusting system to be synchronous and asynchronous; the horizontal adjusting structure arranged between the vertical moving plate and the translation plate can realize horizontal transverse movement, longitudinal movement and rotation movement of the translation plate relative to the vertical moving plate, so that the number of layers of the adjusting plate is reduced while automatic control of the adjusting plate is realized, a horizontal adjusting system is simplified, occupied space is small, and equipment is miniaturized.
The foregoing is a further detailed description of the present application in connection with the specific embodiments, and it is not intended that the practice of the present application be limited to such descriptions. It will be apparent to those skilled in the art from this disclosure that several simple deductions or substitutions can be made without departing from the inventive concepts of the present application. For example, an open guide rail is adopted to replace the channel in the embodiment, and the whole functions of the mounting device given by the embodiment are realized through the replacement of a conventional structure; for another example, the matching relationship between the gear ring and the gear is replaced by worm and gear transmission, so as to realize the purpose of driving the gear ring to operate.
Claims (5)
1. An electrically adjustable bracket for an accelerator, comprising:
a base;
the adjusting plate is fixed on the base and comprises a vertical moving plate and a translation plate which are stacked, and the translation plate is positioned above the vertical moving plate;
the lifting adjusting system is arranged between the base and the vertical moving plate and comprises a plurality of worm and gear lifters arranged at the bottom of the vertical moving plate and used for lifting the vertical moving plate, and the lifting heights of the worm and gear lifters in the vertical direction are the same or different and are used for controlling the integral lifting of the adjusting plate or adjusting the inclination angle of the vertical moving plate in the horizontal aspect;
the horizontal adjusting system is positioned between the vertical moving plate and the translation plate and is used for controlling the translation plate to move and rotate relative to the vertical moving plate in the horizontal direction; the horizontal adjusting system comprises a horizontal transverse adjusting mechanism for controlling the translation plate to move horizontally and transversely and a horizontal longitudinal adjusting mechanism for controlling the translation plate to move horizontally and longitudinally and rotate, wherein the horizontal longitudinal adjusting mechanisms are parallel to each other and are respectively arranged at two sides of the translation plate, and the horizontal transverse adjusting mechanism is horizontally arranged between the two horizontal longitudinal adjusting mechanisms and forms a two-layer structure opposite to the translation plate in the vertical direction;
the translation plate is provided with a boss which protrudes downwards, is contacted with the vertical moving plate and is used for supporting the translation plate, the two horizontal longitudinal adjusting mechanisms are arranged between the translation plate and the vertical moving plate and are respectively positioned at two sides of the boss, and the surface of the center of the bottom of the boss is concave to form a concave cavity for accommodating the horizontal transverse adjusting mechanisms;
the horizontal transverse adjusting mechanism comprises a second telescopic part fixedly connected with the translation plate and a second fixing part fixedly connected with the vertical plate and used for driving the second telescopic part to move along the axial direction of the second telescopic part; the second telescopic part is fixedly connected with the translation plate through a spherical pair or a revolute pair, the second fixed part is fixedly connected with the vertical motion plate through a spherical pair or a revolute pair and is used for rotating around the connection parts of the other vertical motion plates when the translation plate and the vertical motion plate are subjected to relative displacement along the horizontal and longitudinal directions, and the second telescopic part can rotate around the connection parts of the second telescopic part and the vertical motion plate; the second fixing part is a machine body of a worm gear lifter fixedly connected with the translation plate, the second telescopic part is a telescopic screw rod of the worm gear lifter, and the telescopic screw rod can be driven by the machine body to axially lift; the end part of the telescopic screw rod is fixedly connected with the translation plate through a second joint bearing, and the machine body of the worm gear and worm lifter is fixedly connected with the vertical moving plate through a first joint bearing;
the lower surface of the translation plate is provided with a first transverse installation seat, the upper surface of the translation plate is provided with a second transverse installation seat, the machine body of the worm gear and worm lifter is fixedly connected with the second transverse installation seat on the upper surface of the translation plate through a first joint bearing, the end part of the telescopic screw rod is fixedly connected with the first transverse installation seat on the lower surface of the translation plate through a second joint bearing, the first joint bearing is connected with the second transverse installation seat through a first connecting flange, the second joint bearing is connected with the first transverse installation seat through a second connecting flange, and in order to reduce the influence of the rotation action of the translation plate on the horizontal transverse adjusting mechanism, when the horizontal longitudinal adjusting mechanism controls the translation plate to rotate, the positions of the rotation center and the second joint bearing coincide in the vertical direction, wherein the machine body of the worm gear and the telescopic screw rod of the worm gear and the machine body are both arranged in a concave cavity on the lower surface of the boss, and the rotating shafts of the first joint bearing and the second joint bearing extend along the horizontal longitudinal direction.
2. The electric adjusting bracket for an accelerator according to claim 1, wherein the horizontal and longitudinal adjusting mechanism comprises a first telescopic part fixedly connected with the translation plate, and a first fixing part fixedly connected with the vertical plate for driving the first telescopic part to move along the axial direction thereof; the first telescopic part is fixedly connected with the translation plate through a spherical pair or a revolute pair, the first fixed part is fixedly connected with the perpendicular moving plate through a revolute pair and is used for rotating around the connection part of the first fixed part and the perpendicular moving plate when the translation plate and the perpendicular moving plate are subjected to horizontal and transverse relative displacement, and the first telescopic part can rotate around the connection part of the first telescopic part and the perpendicular moving plate.
3. The electric adjusting bracket for accelerator according to claim 2, wherein the first fixing portion is a ball screw mount for fixing a ball screw, and the first telescopic portion is a ball screw adapted to the ball screw.
4. The electrically adjustable bracket for an accelerator of claim 3, wherein the ball screw end is fixedly connected to the translation plate by a ball bearing, and the ball screw mount is fixedly connected to the translation plate by a translation plate connecting shaft perpendicular to the translation plate surface.
5. The electric adjusting bracket for accelerator according to claim 1, wherein the boss and the flap are fixed with sliders for reducing friction, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710923331.6A CN107676584B (en) | 2017-09-30 | 2017-09-30 | Electric adjusting bracket for accelerator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710923331.6A CN107676584B (en) | 2017-09-30 | 2017-09-30 | Electric adjusting bracket for accelerator |
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| CN107676584A CN107676584A (en) | 2018-02-09 |
| CN107676584B true CN107676584B (en) | 2024-01-16 |
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| CN201710923331.6A Active CN107676584B (en) | 2017-09-30 | 2017-09-30 | Electric adjusting bracket for accelerator |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108533925A (en) * | 2018-05-23 | 2018-09-14 | 凯迈（洛阳）测控有限公司 | A kind of attitude adjustment platform with high-adaptability |
| CN109488852A (en) * | 2018-12-29 | 2019-03-19 | 东莞中子科学中心 | Motorized adjustment bracket for accelerator |
| CN110174558A (en) * | 2019-07-08 | 2019-08-27 | 成都奕康真空电子技术有限责任公司 | A kind of accelerating cavity chain field distribution self-operated measuring unit |
| CN112357488B (en) * | 2020-11-16 | 2021-10-19 | 哈尔滨工程大学 | Universal support device for butt joint of auxiliary platform and transfer system with same |
| CN113685687B (en) * | 2021-07-20 | 2022-12-20 | 散裂中子源科学中心 | Ultrahigh-stability support frame structure and using method and design method thereof |
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