CN110200704B - Linear motion mechanism and operation trolley - Google Patents
Linear motion mechanism and operation trolley Download PDFInfo
- Publication number
- CN110200704B CN110200704B CN201910617200.4A CN201910617200A CN110200704B CN 110200704 B CN110200704 B CN 110200704B CN 201910617200 A CN201910617200 A CN 201910617200A CN 110200704 B CN110200704 B CN 110200704B
- Authority
- CN
- China
- Prior art keywords
- screw rod
- base plate
- linear motion
- carriage
- motion mechanism
- 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.)
- Active
Links
- 239000003638 chemical reducing agent Substances 0.000 claims description 20
- 238000005452 bending Methods 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- WSNMPAVSZJSIMT-UHFFFAOYSA-N COc1c(C)c2COC(=O)c2c(O)c1CC(O)C1(C)CCC(=O)O1 Chemical compound COc1c(C)c2COC(=O)c2c(O)c1CC(O)C1(C)CCC(=O)O1 WSNMPAVSZJSIMT-UHFFFAOYSA-N 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B50/00—Containers, covers, furniture or holders specially adapted for surgical or diagnostic appliances or instruments, e.g. sterile covers
- A61B50/10—Furniture specially adapted for surgical or diagnostic appliances or instruments
- A61B50/13—Trolleys, e.g. carts
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B50/00—Containers, covers, furniture or holders specially adapted for surgical or diagnostic appliances or instruments, e.g. sterile covers
- A61B50/20—Holders specially adapted for surgical or diagnostic appliances or instruments
- A61B50/24—Stands
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/50—Supports for surgical instruments, e.g. articulated arms
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/50—Supports for surgical instruments, e.g. articulated arms
- A61B2090/5025—Supports for surgical instruments, e.g. articulated arms with a counter-balancing mechanism
Abstract
The invention provides a linear motion mechanism and an operation trolley, and belongs to the technical field of medical appliances. The linear motion mechanism solves the problem that the linear motion mechanism of the existing operation trolley is relatively poor in radial moment balancing capability. The linear motion mechanism of the operation trolley comprises a screw rod, a motor, a nut and a stand column base plate, wherein one end of the screw rod is connected to a bottom plate, the motor is used for driving the screw rod to rotate, the nut is matched with the screw rod, the stand column base plate is fixedly connected with the nut, the axis of the screw rod is parallel to the side plate, the stand column base plate is parallel to the axis of the screw rod, a first guide structure which guides along the axial direction of the screw rod is arranged between the stand column base plate and one of the side plates which are parallel to the stand column base plate, a carriage which is parallel to the stand column base plate is arranged on one side of the stand column base plate, the other end of the screw rod is connected with the carriage, and a second guide structure which guides along the axial direction of the screw rod is arranged between the carriage and the stand column base plate. The invention has the advantages of small transverse dimension, effective balance of lateral moment, maximum reduction of the minimum height and the like.
Description
Technical Field
The invention belongs to the technical field of medical appliances, and relates to a linear motion mechanism and an operation trolley.
Background
As shown in fig. 5, the operation table trolley comprises a base 100, a rotating upright 300 arranged on the base 100, a cross beam arranged at the upper end of the rotating upright 300, a manipulator 200 arranged on the cross beam, and other structures, wherein a linear motion mechanism on the rotating upright is used for bearing the weight of a lifting body (the lifting body is the cross beam and the manipulator 200 in fig. 5), transmitting the transverse bending moment from the lifting body to the rotating upright, driving the lifting body to move up and down, stopping at any time according to control requirements in the lifting process, and reliably maintaining at a required position for a long time. In order to achieve a better surgical operation, it is required that the lifting body has a long axial stroke and can be stopped and locked at an arbitrary position, and among many driving methods, the driving method of the (ball) screw nut is preferable.
At present, the installation mode of the screw nut mainly comprises the following three modes: a. fixing-fixing type; b. a fixed-support type; c. fixed-free. For both the mounting modes a and b, the bases of the screw rod fixing end and the supporting end are required to be mounted on a fixed substrate, the load body is mounted on the nut, the screw rod is driven to rotate through the motor, the nut can drive the load body to do linear reciprocating motion, in the fixed-free mounting mode, the base of the screw rod fixing end is mounted on the substrate, the free end is suspended, the load body is mounted on the nut, the screw rod is driven to rotate through the motor, and the nut can drive the load body to do linear reciprocating motion.
For both mounting modes a and b, the base of the fixed end and the support end need to be mounted on the fixed substrate, if the body of the carrier needs to exceed the support end, (1) a slot needs to be formed in the carrier to avoid the base of the support end, but the lateral rigidity of the carrier is weakened; (2) or the load body is axially offset from the axis of the screw rod by a sufficient distance in parallel, and the nut and the load body are rigidly connected through the connecting plate, but the screw rod is subjected to transverse bending moment, so that the performance and safety of the screw rod are affected. Although the mounting mode c can meet the requirement that the load body exceeds the free end, the mounting mode is only suitable for the condition that the fixed end of the screw rod exceeds the upper end and the load body exceeds the lower end, and the application range is small.
The rotary upright post on the existing operation trolley is generally in a closed rectangular shape, a round shape or a square shape, parts are not contained in the rotary upright post or are not used as a main body structure for containing the parts, the linear motion mechanism is generally arranged on the outer surface of the rotary upright post, namely, the upright post is internally arranged, the load is externally arranged, and under the same sectional area, the rigidity of the upright post is relatively weak, and the load capacity is low.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a linear motion mechanism capable of balancing radial moment and an operation trolley with the linear motion mechanism.
The aim of the invention can be achieved by the following technical scheme:
the linear motion mechanism is arranged in a rotary upright column formed by a bottom plate and a plurality of side plates, and comprises a screw rod with one end connected to the bottom plate, a motor for driving the screw rod to rotate around the central axis of the motor, a nut matched with the screw rod and an upright column base plate fixedly connected with the nut, wherein the axis of the screw rod is parallel to the side plates, the upright column base plate is parallel to the axis of the screw rod, a first guide structure which guides the screw rod along the axial direction is arranged between the upright column base plate and one side of the side plates parallel to the upright column base plate, a carriage parallel to the upright column base plate is arranged on one side of the upright column base plate, the other end of the screw rod is connected with the carriage, and a second guide structure which guides the screw rod along the axial direction is arranged between the carriage and the upright column base plate.
The rotary upright post is composed of a bottom plate and four side plates, the bottom plate is perpendicular to the side plates, the cross section of the rotary upright post is rectangular, the linear motion mechanism is arranged in the rotary upright post and drives the upright post base plate to move along the length direction of the rotary upright post, and one end of the upright post base plate, which is far away from the bottom plate, is higher than the top of the side plates. Because the nut and the lead screw cooperation set up, when motor drive lead screw gyration, the rotary motion of lead screw changes the rectilinear motion of nut into, and stand base plate and nut link firmly simultaneously, will drive stand base plate rectilinear motion when nut rectilinear motion, and the whole weight effect of the lifting body is on the stand base plate, but through the guide structure one that sets up balancing radial moment, through guide structure two with the planker setting on the stand base plate, can reduce rectilinear motion's transverse dimension greatly.
In the above-mentioned linear motion mechanism, the first guide structure comprises at least one main guide rail fixed on the side plate and main sliding blocks slidably arranged on the main guide rail, each main guide rail is provided with at least one main sliding block, and the above-mentioned upright column base plate is fixedly connected with all the main sliding blocks. When the upright post base plate moves linearly, all the main sliding blocks are driven to move on the main guide rail matched with the upright post base plate. The main guide rail and the main sliding block play a role in guiding and limiting the upright post base plate, and balance radial torque.
In the linear motion mechanism, the two main guide rails are arranged on the same side plate in parallel, each main guide rail is provided with two main sliding blocks, the upright post base plate is arranged on the two main guide rails in a crossing mode, and the distances from projection lines of the screw rod on the side plate provided with the main guide rails to the two main guide rails are equal. The lead screw and the two main guide rails are arranged in a centering way, so that the stability is high. The distance between two main sliding blocks on the same main guide rail is less than or equal to half of the length of the side plate. The main sliding block is arranged at one end of the upright post base plate, which is close to the bottom plate, as much as possible.
In the linear motion mechanism, the guide structure comprises at least one auxiliary guide rail fixed on one side of the upright post base plate far away from the main slide block and an auxiliary slide block arranged on the auxiliary guide rail in a sliding manner, the auxiliary guide rail is parallel to the main guide rail, each auxiliary guide rail is provided with at least one auxiliary slide block, and the carriage is fixedly connected with the auxiliary slide block.
In the linear motion mechanism, the number of the auxiliary guide rails is two, the auxiliary guide rails are arranged in parallel, two auxiliary sliding blocks are arranged on each auxiliary guide rail, the carriage is arranged on the two auxiliary guide rails in a crossing mode, and the distance from the projection line of the screw rod on the upright post substrate to the two main guide rails is equal. The screw rod is arranged in a pair with the two auxiliary guide rails.
In the linear motion mechanism, the first connecting seat is fixed on the bottom plate, the second connecting seat which is opposite to the first connecting seat is fixed on one side, far away from the auxiliary sliding block, of the carriage, one end of the screw rod is rotationally connected with the first connecting seat, and the other end of the screw rod is rotationally connected with the second connecting seat.
The specific connection mode is as follows: be equipped with connecting hole one on the connecting seat one, be equipped with connecting hole two on the connecting seat two, penetrate connecting hole one with the one end of lead screw and realize axial and radial spacing through bearing one, realize rotating the connection, penetrate connecting hole two with the other end of lead screw and realize axial and radial spacing through bearing two, realize rotating the connection. The first connecting hole and the second connecting hole are coaxially arranged, and the first bearing and the second bearing are coaxially arranged.
In the linear motion mechanism, the speed reducer is fixed on the carriage, an output shaft of the speed reducer is coaxially and fixedly connected with the screw rod through the coupler, the motor is fixed on the speed reducer, and an output shaft of the motor is coaxially and fixedly connected with an input shaft of the speed reducer. Namely, a speed reducer is arranged between the motor and the screw rod, and the speed reducer can adopt a gear speed reducer.
In the linear motion mechanism, a brake is fixed on the carriage, and the screw rod is arranged in the brake in a penetrating way. When the upright post base plate moves in place, the brake locks the screw rod, and the screw rod is prevented from continuing to rotate. Meanwhile, a motor brake can be arranged on the motor, and the arrangement of double brakes increases the safety coefficient.
In order to facilitate the fixation of the nut and the upright post base plate, a hollow connecting plate is fixed on the upright post base plate, the nut is fixed on the connecting plate, and the screw rod is arranged in the connecting plate in a penetrating way.
Because the auxiliary sliding block, the carriage, the screw rod, the nut, the motor and the like are positioned on one side of the upright post base plate, the upright post base plate can be arranged into a surrounding structure, the auxiliary sliding block, the carriage, the screw rod, the nut and the motor are surrounded, the tightness and the safety are improved, and the deformation of the system is reduced.
The operation trolley comprises a rotary upright post, wherein the linear motion mechanism is arranged in the rotary upright post.
In the operation trolley, the rotary upright post comprises a bottom plate and a plurality of side plates vertically arranged on the bottom plate, and two adjacent side plates are fixedly connected through the angle plate.
In the above-mentioned operation trolley, the number of the side plates is four.
When the rotary upright post is provided with four side plates, the cross section of the rotary upright post is rectangular. One side of the angle plate is provided with a first connecting part, a plurality of threaded holes which are uniformly distributed along the length direction of the first connecting part, the other side of the angle plate is provided with a second connecting part, the second connecting part is provided with a plurality of threaded holes which are uniformly distributed along the length direction of the second connecting part, two sides of the side plate are respectively provided with a plurality of connecting holes which are arranged in one-to-one correspondence with the threaded holes, and the fixed connection is realized through connecting bolts. The rotary upright post adopts a split type structural design, and the linear motion mechanism is arranged in the rotary upright post, namely the rotary upright post is external, the load is internal, and the transverse deformation generated when the rotary upright post is subjected to a large transverse bending moment is small.
Compared with the prior art, the invention has the following advantages: the device has the advantages of small transverse size, low noise, large load and high integral rigidity, and has high safety coefficient under the same transverse size and small system deformation under the same load, and the brake, the speed reducer and the motor are arranged on the carriage, so that the lowest position of the screw rod is greatly reduced, the lowest position which can be reached by the lifting body of the operation trolley is furthest reduced, and the integral gravity center height can be reduced when the lifting body is lowered to the lowest position.
Drawings
Fig. 1 is a front view of a linear motion mechanism provided by the present invention.
Fig. 2 is a cross-sectional view of a linear motion mechanism provided by the present invention.
Fig. 3 is a schematic view of a part of the structure of the operation trolley provided by the invention.
Fig. 4 is a transverse cross-sectional view of the surgical trolley provided by the present invention.
Fig. 5 is a schematic structural view of the surgical trolley provided in the background art.
In the figure, 1, a bottom plate; 2. a side plate; 3. a screw rod; 4. a motor; 5. a nut; 6. a column base plate; 7. a carriage; 8. a main guide rail; 9. a main slider; 10. an auxiliary guide rail; 11. an auxiliary sliding block; 12. a first connecting seat; 13. a second connecting seat; 14. a speed reducer; 15. a brake; 16. a rotary upright post; 17. and (5) a corner plate.
Detailed Description
The following are specific embodiments of the present invention and the technical solutions of the present invention will be further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.
The operation cart shown in fig. 5 includes a base 100, a rotating column 300 provided on the base 100, a cross beam provided on an upper end of the rotating column 300, a manipulator 200 provided on the cross beam, and the like, and the linear motion mechanism is provided in the rotating column 300. The linear motion mechanism shown in fig. 1 is arranged in a rotary upright column formed by a bottom plate 1 and a plurality of side plates 2, the rotary upright column is formed by a bottom plate 1 and four side plates 2, the bottom plate 1 is vertical to the side plates 2, and the cross section of the rotary upright column is rectangular. The linear motion mechanism comprises a screw rod 3, a motor 4, a nut 5 and a stand column base plate 6, wherein one end of the screw rod 3 is connected to the bottom plate 1, the motor 4 is used for driving the screw rod 3 to rotate around the central axis of the motor, the nut 5 is matched with the screw rod 3, the stand column base plate 6 is fixedly connected with the nut 5, the axis of the screw rod 3 is parallel to the side plate 2, and the stand column base plate 6 is parallel to the axis of the screw rod 3. The linear motion mechanism is arranged in the rotary upright and drives the upright base plate 6 to move along the length direction of the rotary upright, and one end of the upright base plate 6, which is far away from the bottom plate 1, is higher than the top of the side plate 2. In order to improve the accuracy of the movement, it is preferable that the ball screw is engaged with the nut 5.
As shown in fig. 2, a first guide structure for guiding along the axial direction of the screw rod 3 is arranged between the upright post base plate 6 and one of the parallel side plates 2, a carriage 7 parallel to the upright post base plate 6 is arranged on one side of the upright post base plate 6 away from the first guide structure, the other end of the screw rod 3 is connected with the carriage 7, and a second guide structure for guiding along the axial direction of the screw rod 3 is arranged between the carriage 7 and the upright post base plate 6.
Because nut 5 and lead screw 3 cooperation setting, when motor 4 drive lead screw 3 gyration, the rotary motion of lead screw 3 changes the rectilinear motion of nut 5, and stand base plate 6 links firmly with nut 5 simultaneously, will drive stand base plate 6 rectilinear motion when nut 5 rectilinear motion, and the crossbeam of operation table car and the whole weight effect of apparatus hand on stand base plate 6 can balance radial moment through the guide structure one that sets up, and through guide structure two with carriage 7 setting on stand base plate 6, can reduce rectilinear motion's transverse dimension greatly.
The first guide structure comprises at least one main guide rail 8 fixed on the side plate 2 and main sliding blocks 9 arranged on the main guide rails 8 in a sliding manner, at least one main sliding block 9 is arranged on each main guide rail 8, and the upright post base plate 6 is fixedly connected with all the main sliding blocks 9. When the upright base plate 6 moves linearly, all the main sliding blocks 9 are driven to move on the main guide rail 8 matched with the upright base plate. The main guide rail 8 and the main slider 9 play a role in guiding and limiting the column base 6, and balance the radial torque.
In this embodiment, as shown in fig. 1, the main guide rails 8 are two and parallel to each other and are disposed on the same side plate 2, each main guide rail 8 is provided with two main sliding blocks 9, the upright post base plate 6 spans the two main guide rails 8, and the distance from the projection line of the screw rod 3 on the side plate 2 provided with the main guide rails 8 to the two main guide rails 8 is equal, that is, the screw rod 3 is disposed in a pair with the two main guide rails 8, so that the stability is high. The distance between two main sliders 9 on the same main rail 8 is less than or equal to half the length of the side plate 2. The main slider 9 should be disposed at the end of the pillar base 6 near the bottom plate 1 as much as possible.
The guide structure II comprises at least one auxiliary guide rail 10 fixed on one side of the upright post base plate 6 far away from the main slide block 9 and auxiliary slide blocks 11 arranged on the auxiliary guide rail 10 in a sliding manner, the auxiliary guide rail 10 is parallel to the main guide rail 8, each auxiliary guide rail 10 is at least provided with one auxiliary slide block 11, and the carriage 7 is fixedly connected with the auxiliary slide blocks 11.
Specifically, the number of the auxiliary guide rails 10 is two, the auxiliary guide rails 10 are arranged in parallel, each auxiliary guide rail 10 is provided with two auxiliary sliding blocks 11, the carriage 7 is arranged on the two auxiliary guide rails 10 in a crossing mode, the distances from projection lines of the screw rod 3 on the upright post base plate 6 to the two main guide rails 8 are equal, namely, the screw rod 3 and the two auxiliary guide rails 10 are arranged in a centering mode.
As shown in fig. 1, a first connecting seat 12 is fixed on the bottom plate 1, a second connecting seat 13 opposite to the first connecting seat 12 is fixed on one side of the carriage 7 away from the secondary slide block 11, one end of the screw rod 3 is rotationally connected with the first connecting seat 12, and the other end is rotationally connected with the second connecting seat 13.
The specific connection mode is as follows: the first connecting seat 12 is provided with a first connecting hole, the second connecting seat 13 is provided with a second connecting hole, one end of the screw rod 3 penetrates into the first connecting hole and is axially and radially limited through the first bearing, rotational connection is achieved, and the other end of the screw rod 3 penetrates into the second connecting hole and is axially and radially limited through the second bearing, so that rotational connection is achieved. The first connecting hole and the second connecting hole are coaxially arranged, and the first bearing and the second bearing are coaxially arranged.
As shown in fig. 1, a speed reducer 14 is fixed on the carriage 7, an output shaft of the speed reducer 14 is coaxially and fixedly connected with the screw rod 3 through a coupler, the motor 4 is fixed on the speed reducer 14, and an output shaft of the motor 4 is coaxially and fixedly connected with an input shaft of the speed reducer 14. Namely, a speed reducer 14 is arranged between the motor 4 and the screw rod 3, and the speed reducer 14 can adopt a gear speed reducer 14.
As shown in fig. 1 and 2, a brake 15 is fixed on the carriage 7, and the screw rod 3 is inserted into the brake 15. When the upright base plate 6 moves in place, the stopper 15 locks the screw 3, preventing the screw 3 from continuing to rotate. Meanwhile, a motor brake can be arranged on the motor 4, and the arrangement of double brakes increases the safety coefficient.
In order to facilitate the fixation of the nut 5 and the upright base plate 6, a hollow connecting plate is fixed on the upright base plate 6, the nut 5 is fixed on the connecting plate, and the screw rod 3 is arranged in the connecting plate in a penetrating way.
Because the auxiliary slide block 11, the carriage 7, the screw rod 3, the nut 5, the motor 4 and the like are arranged on one side of the upright post base plate 6, the upright post base plate 6 can be arranged into a surrounding structure, the auxiliary slide block 11, the carriage 7, the screw rod 3, the nut 5 and the motor 4 are surrounded, the tightness and the safety are improved, and the deformation of the system is reduced.
The operation trolley shown in fig. 3 comprises a rotary upright column 16, a linear motion mechanism is arranged in the rotary upright column 16, the rotary upright column comprises a bottom plate 1 and a plurality of side plates 2 which are vertically arranged on the bottom plate 1, and two adjacent side plates 2 are fixedly connected through a corner plate 17 as shown in fig. 2.
In this embodiment, the number of side plates 2 is four.
When the swivel post 16 has four side plates 2, its cross section is rectangular. One side of the angle plate 17 is provided with a first connecting part, a plurality of threaded holes which are uniformly distributed along the length direction of the first connecting part, the other side of the angle plate is provided with a second connecting part, the second connecting part is provided with a plurality of threaded holes which are uniformly distributed along the length direction of the second connecting part, and two sides of the side plate 2 are respectively provided with a plurality of connecting holes which are arranged in one-to-one correspondence with the threaded holes, and the fixed connection is realized through connecting bolts. The rotary upright post 16 adopts a split type structural design, and the linear motion mechanism is arranged in the rotary upright post 16, namely the rotary upright post is external, the load is internal, and the transverse deformation generated when the rotary upright post is subjected to a large transverse bending moment is small.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the invention. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (8)
1. The linear motion mechanism is arranged in a rotary upright column formed by a bottom plate (1) and a plurality of side plates (2), and the bottom plate (1) is perpendicular to the side plates (2); the screw rod (3) with one end connected to the bottom plate (1), a motor (4) for driving the screw rod (3) to rotate around the central axis of the screw rod, a nut (5) matched with the screw rod (3) and a stand column base plate (6) fixedly connected with the nut (5), wherein the axis of the screw rod (3) is parallel to the side plate (2), and the stand column base plate (6) is parallel to the axis of the screw rod (3), and is characterized in that a first guide structure for guiding along the axial direction of the screw rod (3) is arranged between the stand column base plate (6) and one of the side plates (2) parallel to the stand column base plate, a carriage (7) parallel to the stand column base plate (6) is arranged on one side of the stand column base plate (6) away from the first guide structure, the other end of the screw rod (3) is connected with the carriage (7), and a second guide structure for guiding along the axial direction of the screw rod (3) is arranged between the carriage (7) and the stand column base plate (6).
The first guide structure comprises at least one main guide rail (8) fixed on the side plate (2) and main sliding blocks (9) arranged on the main guide rail (8) in a sliding manner, wherein each main guide rail (8) is at least provided with one main sliding block (9), and the upright post base plate (6) is fixedly connected with all the main sliding blocks (9);
the guide structure comprises at least one auxiliary guide rail (10) fixed on one side, far away from the main guide rail (9), of the upright base plate (6) and auxiliary guide blocks (11) arranged on the auxiliary guide rail (10) in a sliding mode, the auxiliary guide rails (10) are parallel to the main guide rail (8), each auxiliary guide rail (10) is provided with at least one auxiliary guide block (11), and the carriage (7) is fixedly connected with the auxiliary guide blocks (11).
2. The linear motion mechanism according to claim 1, wherein the two main guide rails (8) are parallel to each other and are arranged on the same side plate (2), two main sliding blocks (9) are arranged on each main guide rail (8), the upright post base plate (6) is arranged on the two main guide rails (8) in a crossing manner, and the distances from projection lines of the screw rod (3) on the side plate (2) provided with the main guide rails (8) to the two main guide rails (8) are equal.
3. The linear motion mechanism according to claim 2, wherein the number of the auxiliary guide rails (10) is two, the auxiliary guide rails (10) are arranged in parallel, two auxiliary sliding blocks (11) are arranged on each auxiliary guide rail (10), and the carriage (7) spans the two auxiliary guide rails (10).
4. The linear motion mechanism according to claim 3, wherein the first connecting seat (12) is fixed on the bottom plate (1), the second connecting seat (13) opposite to the first connecting seat (12) is fixed on one side of the carriage (7) away from the auxiliary sliding block (11), one end of the screw rod (3) is rotationally connected with the first connecting seat (12), and the other end of the screw rod is rotationally connected with the second connecting seat (13);
the distance between two main sliding blocks (9) on the same main guide rail (8) is less than or equal to one half of the length of the side plate (2).
5. The linear motion mechanism according to claim 1, wherein a speed reducer (14) is fixed on the carriage (7), an output shaft of the speed reducer (14) is coaxially and fixedly connected with the screw rod (3) through a coupler, the motor (4) is fixed on the speed reducer (14), and an output shaft of the motor (4) is coaxially and fixedly connected with an input shaft of the speed reducer (14).
6. The linear motion mechanism according to claim 1, wherein a brake (15) is fixed on the carriage (7), and the screw rod (3) is inserted into the brake (15).
7. A trolley, characterized by comprising a rotary upright (16), wherein the rotary upright (16) is internally provided with a linear motion mechanism according to any one of claims 1-6.
8. The surgical trolley according to claim 7, wherein the rotary upright (16) comprises a bottom plate (1) and a plurality of side plates (2) vertically arranged on the bottom plate (1), and two adjacent side plates (2) are fixedly connected through a corner plate (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910617200.4A CN110200704B (en) | 2019-07-10 | 2019-07-10 | Linear motion mechanism and operation trolley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910617200.4A CN110200704B (en) | 2019-07-10 | 2019-07-10 | Linear motion mechanism and operation trolley |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110200704A CN110200704A (en) | 2019-09-06 |
| CN110200704B true CN110200704B (en) | 2023-12-22 |
Family
ID=67796993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910617200.4A Active CN110200704B (en) | 2019-07-10 | 2019-07-10 | Linear motion mechanism and operation trolley |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110200704B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111973136B (en) * | 2020-09-14 | 2022-11-25 | 上海安翰医疗技术有限公司 | Control method and control system of magnetic control capsule endoscope device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102764157A (en) * | 2012-04-13 | 2012-11-07 | 中国科学院深圳先进技术研究院 | Robot for orthopaedic surgery |
| KR20130005146A (en) * | 2011-07-05 | 2013-01-15 | 주식회사 에스엠이씨 | Single-arm type cassette lifting robot |
| CN203712724U (en) * | 2013-12-19 | 2014-07-16 | 浙江乐佰特自动化科技有限公司 | Lifting device |
| CN204772516U (en) * | 2015-05-21 | 2015-11-18 | 北京信息科技大学 | Mechanical hand of light -duty object transport |
| CN105361951A (en) * | 2015-12-14 | 2016-03-02 | 山东科技大学 | Endoscope-holding robot for minimally invasive abdominal operation |
| CN109771038A (en) * | 2019-03-22 | 2019-05-21 | 重庆金山医疗机器人有限公司 | A kind of movable type mechanical hand |
| CN210631303U (en) * | 2019-07-10 | 2020-05-29 | 重庆金山科技（集团）有限公司 | Linear motion mechanism and operation trolley |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2787910B1 (en) * | 2011-12-05 | 2022-08-03 | Mazor Robotics Ltd. | Active bed mount for surgical robot |
-
2019
- 2019-07-10 CN CN201910617200.4A patent/CN110200704B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20130005146A (en) * | 2011-07-05 | 2013-01-15 | 주식회사 에스엠이씨 | Single-arm type cassette lifting robot |
| CN102764157A (en) * | 2012-04-13 | 2012-11-07 | 中国科学院深圳先进技术研究院 | Robot for orthopaedic surgery |
| CN203712724U (en) * | 2013-12-19 | 2014-07-16 | 浙江乐佰特自动化科技有限公司 | Lifting device |
| CN204772516U (en) * | 2015-05-21 | 2015-11-18 | 北京信息科技大学 | Mechanical hand of light -duty object transport |
| CN105361951A (en) * | 2015-12-14 | 2016-03-02 | 山东科技大学 | Endoscope-holding robot for minimally invasive abdominal operation |
| CN109771038A (en) * | 2019-03-22 | 2019-05-21 | 重庆金山医疗机器人有限公司 | A kind of movable type mechanical hand |
| CN210631303U (en) * | 2019-07-10 | 2020-05-29 | 重庆金山科技（集团）有限公司 | Linear motion mechanism and operation trolley |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110200704A (en) | 2019-09-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110200704B (en) | Linear motion mechanism and operation trolley | |
| CN101260747A (en) | Multiple layer high speed hydraulic type stereo parking apparatus | |
| CN108674523B (en) | Self-lifting travelling mechanism of shelter | |
| CN210631303U (en) | Linear motion mechanism and operation trolley | |
| CN113200446B (en) | Crane capable of conveniently clamping goods | |
| CN209988977U (en) | Hoisting device for assembling upper cross beam of elevator car | |
| JP4071521B2 (en) | Lift device | |
| CN102275851A (en) | Workpiece lifting and overturning device with bracket counterweight mechanism | |
| CN214653297U (en) | Double-column type automobile lifter with reversing screw drive universal joint | |
| CN105064219A (en) | Mobile framework moving trolley | |
| CN210163066U (en) | Vehicle-mounted platform | |
| CN209793781U (en) | Manipulator lifting and rotating connection structure | |
| CN212127439U (en) | Vibration suppression device for aerial work platform | |
| CN112960585A (en) | Double-column type automobile lifter with reversing screw drive universal joint and application thereof | |
| CN102249168A (en) | Workpiece lifting device with bracket counter weight mechanism | |
| CN207259037U (en) | A kind of gate-type lifting device | |
| CN214652933U (en) | Be used for laboratory with hoist and mount system | |
| CN219526147U (en) | Lifting device for be used for wheeled equipment to go into column type inspection pit | |
| CN219139743U (en) | Intervene Z axle operating table and use operating table | |
| CN220618044U (en) | Elevator hauler mounting bracket | |
| CN218434612U (en) | Fixed gantry car lifting jack | |
| CN219009633U (en) | Curve track lifting device | |
| CN209367725U (en) | A kind of crane | |
| CN218968569U (en) | Auxiliary device for replacing anti-falling safety device | |
| CN218491356U (en) | Parallel lifting mechanism |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20210207 Address after: 401120 No.18, Cuiping Lane 2, Huixing street, Yubei District, Chongqing Applicant after: CHONGQING JINSHAN MEDICAL ROBOT Co.,Ltd. Address before: 401120 18 neon Road, two Road Industrial Park, Yubei District, Chongqing Applicant before: CHONGQING JINSHAN SCIENCE & TECHNOLOGY (GROUP) Co.,Ltd. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |