阅读说明：本技术 一种医疗设备水平移动机构中的制动装置 (Brake device in horizontal moving mechanism of medical equipment ) 是由 李颂超 于 2020-07-24 设计创作，主要内容包括：本发明公开了一种水平移动机构中的制动装置,移动座左右移动设置在一对左右移动导轨上；移动座的左侧壁上成型有一对前后对称设置的前后支撑板；一对前后支撑板之间旋转设置有圆柱状的驱动中心柱；移动座的内腔左部前后移动设置有一对左驱动板；一对左驱动板同步远离或者靠近；一对左驱动板的上端枢接有连接环；一对连接环远离的一端成型有驱动齿轮；连接环前后套设在驱动中心柱的前后两端并且连接环随着驱动中心柱旋转而旋转；移动座的内腔右部前后移动设置有一对右驱动板；一对右驱动板同步远离或者靠近；一对右驱动板远离的端面上端分别固定有限制齿轮。(The invention discloses a brake device in a horizontal moving mechanism.A moving seat moves left and right and is arranged on a pair of left and right moving guide rails; a pair of front and rear supporting plates which are symmetrically arranged in front and rear are formed on the left side wall of the movable seat; a cylindrical driving central column is rotatably arranged between the pair of front and rear supporting plates; a pair of left driving plates are arranged on the left part of the inner cavity of the movable seat in a back-and-forth movement manner; the pair of left driving plates are synchronously far away or close to each other; the upper ends of the left driving plates are pivoted with connecting rings; a driving gear is formed at one end far away from the connecting rings; the connecting ring is sleeved at the front end and the rear end of the driving central column in a front-back mode and rotates along with the rotation of the driving central column; a pair of right driving plates are arranged on the right part of the inner cavity of the movable seat in a back-and-forth movement way; the pair of right driving plates are synchronously far away or close to each other; limiting gears are respectively fixed at the upper ends of the end surfaces, far away from the pair of right driving plates.)

1. A braking device in a horizontal movement mechanism, characterized in that: comprises a rectangular frame-shaped beam unit (10); a moving unit (20) is arranged in the beam unit (10) in a left-right moving manner; the moving unit (20) comprises a rectangular frame-shaped moving seat (21) with an opening at the upper end; an upright post (30) is fixed at the bottom of the movable seat (21); left and right moving guide rails (13) arranged in the left and right directions are respectively formed on the end surfaces close to the front and rear side walls of the beam unit (10); horizontal driving racks (14) are respectively formed on the end surfaces close to the pair of left and right moving guide rails (13); the moving seat (21) is arranged on the pair of left-right moving guide rails (13) in a left-right moving way; a pair of front and rear support plates (212) which are symmetrically arranged in front and rear are formed on the left side wall of the movable seat (21); a cylindrical driving central column (23) is rotatably arranged between the pair of front and rear supporting plates (212); a pair of left driving plates (24) are arranged on the left part of the inner cavity of the movable seat (21) in a back-and-forth movement way; a pair of left drive plates (24) synchronously move away from or close to each other; the upper ends of the left driving plates (24) are pivoted with annular connecting rings (241); a driving gear (242) is formed at one end of the pair of connecting rings (241) far away from each other; when the pair of left drive plates (24) are furthest apart, the drive gear (242) engages the horizontal drive rack (14) on the respective side; the connecting ring (241) is sleeved at the front end and the rear end of the driving central column (23) in a front-back mode, and the connecting ring (241) rotates along with the rotation of the driving central column (23); a pair of right driving plates (27) are arranged on the right part of the inner cavity of the movable seat (21) in a back and forth movement way; a pair of right driving plates (27) synchronously move away from or close to each other; limiting gears (271) are respectively fixed at the upper ends of the end surfaces far away from the pair of right driving plates (27); when the pair of right driving plates (27) are farthest away, the limiting gear (271) is meshed with the horizontal driving rack (14) on the corresponding side.

2. The braking device in a horizontal movement mechanism according to claim 1, wherein: driving notches (210) are respectively formed at the upper parts of the front side wall and the rear side wall of the movable seat (21); the upper parts of the front and rear end surfaces of the left and right side walls of the movable seat (21) are respectively formed with a left guide groove and a right guide groove which are used for the horizontal driving rack (14) and the left and right guide rail (13) to slide left and right; a driving motor (22) is fixed on the front end surface of the front and rear supporting plates (212) at the rear side; a driving gear (221) is fixed on an output shaft of the driving motor (22); a driven gear (231) is fixed in the middle of the driving central column (23); the drive gear (221) meshes with the driven gear (231).

3. The braking device in a horizontal movement mechanism according to claim 1, wherein: a plurality of front and rear guide grooves (230) which are uniformly distributed on the circumference are respectively formed at the front and rear ends of the driving central column (23); the cylindrical surface of the connecting ring (241) is provided with a plurality of front and rear guide blocks (2411) which are matched with the front and rear guide grooves (230).

4. The braking device in a horizontal movement mechanism according to claim 1, wherein: a left inner electromagnet (25) is fixed at the left middle part of the lower side wall of the movable seat (21); the left inner electromagnet (25) is positioned between the pair of left driving plates (24); the lower ends of the left parts of the front and rear side walls of the movable seat (21) are respectively fixed with a left outer electromagnet (26); a pair of left outer electromagnets (26) facing the pair of left drive plates (24); a pair of left drive plates (24) made of metal that can be attracted by a magnet; a right inner electromagnet (28) is fixed at the right middle part of the lower side wall of the movable seat (21); the right inner electromagnet (28) is positioned between the pair of right driving plates (27); the lower ends of the right parts of the front and rear side walls of the movable seat (21) are respectively fixed with a right outer electromagnet; the pair of right outer electromagnets are opposite to the pair of right driving plates (27); a pair of right driving plates (27) are made of metal that can be attracted by a magnet.

5. The braking device in a horizontal movement mechanism according to claim 1 or 4, wherein: two front and rear guide sets are formed between the lower parts of the front and rear side walls of the movable seat (21); the front and rear guide group comprises a pair of front and rear guide rods (211) which are arranged up and down symmetrically; the lower parts of the left driving plates (24) are sleeved on the left front and rear guide rods (211) in a front and rear mode; the lower parts of the pair of right driving plates (27) are sleeved on the pair of right front and rear guide rods (211) in a front and rear mode.

6. The braking device in a horizontal movement mechanism according to claim 1, wherein: the upper end and the lower end of the left-right moving guide rail (13) are formed into sharp corners.

Technical Field

The invention relates to the technical field of medical equipment, in particular to a braking device in a horizontal moving mechanism of the medical equipment.

Background

The horizontal moving mechanism is widely applied to various mechanical devices and used for realizing a set motion track. In practical applications, the braking device generally adopts a mode of locking a motor or braking and locking the motor or the mechanical structure, but the braking structure locking the motor or the mechanical structure has the problems of complex structure and large volume.

Disclosure of Invention

The invention aims to solve the technical problem that a braking structure of a horizontal moving mechanism is complex, and provides a braking device in the horizontal moving mechanism of medical equipment.

The technical scheme for solving the technical problems is as follows: a brake device in a horizontal movement mechanism of a medical apparatus includes a rectangular frame-shaped beam unit; the beam unit is formed by connecting a pair of front and rear baffles which are symmetrically arranged in front and rear and a pair of left and right baffles which are symmetrically arranged in left and right; a moving unit is arranged in the beam unit and moves left and right; the moving unit comprises a rectangular frame-shaped moving seat with an opening at the upper end; the bottom of the movable seat is fixed with an upright post; left and right moving guide rails arranged in the left and right directions are respectively formed on the end surfaces close to the front and rear side walls of the cross beam unit; horizontal driving racks are respectively formed on the end surfaces close to the left and right moving guide rails; the movable seat is arranged on the pair of left and right movable guide rails in a left-right movement mode; a pair of front and rear supporting plates which are symmetrically arranged in front and rear are formed on the left side wall of the movable seat; a cylindrical driving central column is rotatably arranged between the pair of front and rear supporting plates; a pair of left driving plates are arranged on the left part of the inner cavity of the movable seat in a back-and-forth movement manner; the pair of left driving plates are synchronously far away or close to each other; the upper ends of the left driving plates are pivoted with annular connecting rings; a driving gear is formed at one end far away from the connecting rings; when the pair of left driving plates are farthest away, the driving gear is meshed with the horizontal driving rack on the corresponding side; the connecting ring is sleeved at the front end and the rear end of the driving central column in a front-back mode and rotates along with the rotation of the driving central column; a pair of right driving plates are arranged on the right part of the inner cavity of the movable seat in a back-and-forth movement way; the pair of right driving plates are synchronously far away or close to each other; limiting gears are respectively fixed at the upper ends of the end surfaces of the pair of right driving plates far away from each other; when the pair of right driving plates are farthest away, the limiting gear is meshed with the horizontal driving rack on the corresponding side.

Preferably, the upper parts of the front and rear side walls of the movable seat are respectively formed with a driving notch; the upper parts of the front and rear end surfaces of the left and right side walls of the movable seat are respectively provided with a left guide groove and a right guide groove which are used for the horizontal driving rack and the left and right movable guide rails to slide left and right; a driving motor is fixed on the front end surface of the front and rear supporting plates at the rear side; a driving gear is fixed on an output shaft of the driving motor; a driven gear is fixed in the middle of the driving central column; the driving gear is meshed with the driven gear.

Preferably, the front end and the rear end of the driving central column are respectively provided with a plurality of front guide grooves and rear guide grooves which are uniformly distributed circumferentially; the cylindrical surface of the connecting ring is provided with a plurality of front and rear guide blocks matched with the front and rear guide grooves.

Preferably, a left inner electromagnet is fixed in the left middle of the lower side wall of the movable seat; the left inner electromagnet is positioned between the pair of left driving plates; the lower ends of the left parts of the front and rear side walls of the movable seat are respectively fixed with a left outer electromagnet; the pair of left outer electromagnets are opposite to the pair of left driving plates; the pair of left driving plates are made of metal which can be attracted by the magnet; a right inner electromagnet is fixed at the right middle part of the lower side wall of the movable seat; the right inner electromagnet is positioned between the pair of right driving plates; the lower ends of the right parts of the front and rear side walls of the movable seat are respectively fixed with a right outer electromagnet; the pair of right outer electromagnets are opposite to the pair of right driving plates; the pair of right driving plates are made of metal that can be attracted by a magnet.

Preferably, two front and rear guide sets are formed between the lower parts of the front and rear side walls of the movable seat; the front and rear guide group comprises a pair of front and rear guide rods which are arranged up and down symmetrically; the lower parts of the left driving plates are sleeved on the left front and rear guide rods in a front-and-rear mode; the lower parts of the right driving plates are sleeved on the right front and rear guide rods in a front and rear mode.

Preferably, the upper and lower ends of the left-right moving guide rail are formed to be sharp corners.

The invention has the beneficial effects that: simple structure, convenient left and right movement and accurate and stable brake position.

Drawings

FIG. 1 is a schematic structural view of a cross section of the present invention;

FIG. 2 is a schematic structural view of a cross section A-A of FIG. 1 according to the present invention.

In the figure, 10, a beam unit; 11. front and rear baffles; 12. a left baffle and a right baffle; 13. moving the guide rail left and right; 14. a horizontal drive rack; 20. a mobile unit; 21. a movable seat; 210. a drive notch; 211. front and rear guide rods; 212. front and rear support plates; 22. a drive motor; 221. a driving gear; 23. a drive central column; 230. a front and a rear guide groove; 231. a driven gear; 24. a left drive plate; 241. a connecting ring; 2411. a front guide block and a rear guide block; 242. a drive gear; 25. a left inner electromagnet; 26. a left outer electromagnet; 27. a right drive plate; 28. a right inner electromagnet; 30. and (4) a column.

Detailed Description

As shown in fig. 1 and 2, a brake device in a horizontal movement mechanism of a medical apparatus includes a beam unit 10 having a rectangular frame shape; the beam unit 10 is formed by connecting a pair of front and rear baffles 11 which are symmetrically arranged in front and rear and a pair of left and right baffles 12 which are symmetrically arranged in left and right; a moving unit 20 is arranged in the beam unit 10 and moves left and right; the moving unit 20 includes a rectangular frame-shaped moving base 21 having an open upper end; the bottom of the movable seat 21 is fixed with an upright post 30; left and right moving guide rails 13 arranged in the left and right directions are respectively formed on the end surfaces close to the front and rear side walls of the beam unit 10; horizontal driving racks 14 are respectively formed on the end surfaces close to the pair of left and right moving guide rails 13; the moving seat 21 is arranged on the pair of left and right moving guide rails 13 in a left and right movement way; a pair of front and rear support plates 212 symmetrically arranged in front and rear are formed on the left side wall of the movable seat 21; a cylindrical driving center post 23 is rotatably arranged between the pair of front and rear support plates 212; a pair of left driving plates 24 are arranged on the left part of the inner cavity of the movable seat 21 in a back and forth movement way; a pair of left drive plates 24 are synchronously moved away or closer together; the upper ends of the left driving plates 24 are pivoted with annular connecting rings 241; a driving gear 242 is formed at one end of the pair of connecting rings 241; when the pair of left drive plates 24 are furthest apart, the drive gear 242 meshes with the horizontal drive rack 14 on the respective side; the connecting ring 241 is sleeved at the front end and the rear end of the driving central column 23 in a front-rear manner and the connecting ring 241 rotates along with the rotation of the driving central column 23; a pair of right driving plates 27 are arranged on the right part of the inner cavity of the movable seat 21 and move back and forth; the pair of right drive plates 27 are synchronously far away or close together; limiting gears 271 are respectively fixed at the upper ends of the end surfaces far away from the pair of right driving plates 27; when the pair of right drive plates 27 are farthest apart, the restricting gears 271 are meshed with the horizontal drive racks 14 on the respective sides.

As shown in fig. 1 and 2, driving notches 210 are respectively formed at the upper parts of the front and rear side walls of the movable seat 21; the upper parts of the front and rear end surfaces of the left and right side walls of the moving seat 21 are respectively formed with a left and right guide groove for the horizontal driving rack 14 and the left and right moving guide rail 13 to slide left and right; a driving motor 22 is fixed on the front end surface of the front and rear supporting plates 212 on the rear side; a driving gear 221 is fixed on an output shaft of the driving motor 22; a driven gear 231 is fixed in the middle of the driving central column 23; the driving gear 221 is engaged with the driven gear 231.

As shown in fig. 1 and 2, the front end and the rear end of the driving central column 23 are respectively formed with a plurality of front and rear guide slots 230 uniformly distributed circumferentially; a plurality of front and rear guide blocks 2411 engaged with the front and rear guide grooves 230 are formed on the cylindrical surface of the coupling ring 241.

As shown in fig. 1 and 2, a left inner electromagnet 25 is fixed at the left middle part of the lower side wall of the movable seat 21; the left inner electromagnet 25 is positioned between a pair of left drive plates 24; the lower ends of the left parts of the front and rear side walls of the movable seat 21 are respectively fixed with a left outer electromagnet 26; a pair of left outer electromagnets 26 facing the pair of left drive plates 24; the pair of left driving plates 24 are made of metal that can be attracted by a magnet; a right inner electromagnet 28 is fixed at the right middle part of the lower side wall of the movable seat 21; a right inner electromagnet 28 is located between a pair of right drive plates 27; the lower ends of the right parts of the front and rear side walls of the movable seat 21 are respectively fixed with a right outer electromagnet; the pair of right outer electromagnets face the pair of right drive plates 27; the pair of right driving plates 27 is made of metal that can be attracted by a magnet.

As shown in fig. 1 and 2, two front and rear guide sets are formed between the lower portions of the front and rear side walls of the movable base 21; the front and rear guide group comprises a pair of front and rear guide rods 211 which are arranged up and down symmetrically; the lower parts of the left driving plates 24 are sleeved on the left front and rear guide rods 211 in a front and rear mode; the lower parts of the pair of right driving plates 27 are sleeved on the pair of right front and rear guide rods 211 in a front and rear mode.

As shown in fig. 2, upper and lower ends of the left-right moving guide 13 are formed in a sharp angle.

The working principle of a braking device in the horizontal moving mechanism;

in normal operation, the left inner electromagnet 25 is nonmagnetic, and the pair of left outer electromagnets 26 are magnetic and respectively attract the left driving plates 24 on the corresponding sides, so that the pair of left driving plates 24 are farthest away from each other, and the driving gear 242 is meshed with the horizontal driving rack 14 on the corresponding side; the pair of right outer electromagnets are nonmagnetic, the right inner electromagnet 28 has magnetism, and the right outer electromagnets respectively attract the pair of right driving plates 27, so that the pair of right driving plates 27 are nearest to each other, and the gear 271 is limited to be separated from the horizontal driving rack 14 on the corresponding side; so that the moving unit 20 and the column 30 move left and right according to the rotation of the driving center post 23;

during braking, the driving central column 23 stops rotating, firstly the right inner electromagnet 28 loses magnetism, then the pair of right outer electromagnets generate magnetism, so that the pair of right driving plates 27 are far away until the pair of right driving plates 27 are adsorbed by the pair of right outer electromagnets, so that the limiting gear 271 is meshed with the horizontal driving rack 14 on the corresponding side; then the pair of left outer electromagnets 26 lose magnetism, the left inner electromagnet 25 generates magnetism until the pair of left driving plates 24 are attracted by the left inner electromagnet 25, so that the driving gear 242 is separated from the horizontal driving rack 14 on the corresponding side, and the moving unit 20 and the upright column 30 are accurate in braking position and stable in braking and cannot move left and right accidentally.

The above description is only a preferred embodiment of the present invention, and for those skilled in the art, the present invention should not be limited by the description herein, since various changes and modifications can be made in the details of the embodiment and the application range according to the spirit of the present invention.