CN118000919A

CN118000919A - Operation mechanical arm

Info

Publication number: CN118000919A
Application number: CN202410410831.XA
Authority: CN
Inventors: 刘葛山; 王长洪; 王万亮
Original assignee: Jiangsu Changyou Steel Machinery Co ltd
Current assignee: Jiangsu Changyou Steel Machinery Co ltd
Priority date: 2024-04-08
Filing date: 2024-04-08
Publication date: 2024-05-10

Abstract

The invention belongs to the technical field of surgical mechanical arms, in particular to a surgical mechanical arm which comprises a guide rail fixedly arranged at the edge of an operating table, wherein one side of the guide rail is provided with a mounting seat, an adjusting mechanism is arranged on the mounting seat, the mounting seat comprises a base, a screw rod is rotatably arranged below the base, a screw sleeve is screwed on the screw rod, four groups of connecting rods, one ends of the four groups of connecting rods are hinged to the screw sleeve, four groups of supporting rods are hinged to the other ends of the four groups of supporting rods respectively, a roller arranged at the lower end of the supporting rod is rotated, the upper end of the supporting rod is hinged to the base, the roller is set, so that a worker can carry the device more conveniently, the position of the guide sleeve can be flexibly adjusted, the worker can quickly realize the clamping of the guide sleeve and the guide rail, the installation and the disassembly of the mechanical arm by the worker are more convenient and labor-saving, and the guide sleeve can slide along the guide rail, so that the device can flexibly move along the edge of the operating table, and the position of the worker can be conveniently adjusted.

Description

Operation mechanical arm

Technical Field

The invention belongs to the technical field of surgical mechanical arms, and particularly relates to a surgical mechanical arm.

Background

The operation mechanical arm is high-tech equipment applied to the medical field, and in the operation process of a patient, due to the fact that operation accuracy requirements of some operations are high, a doctor can be assisted by the mechanical arm to perform the operations, operation accuracy can be enhanced, and meanwhile fatigue of the doctor can be relieved.

The patent of publication number CN116269814B discloses a surgical cooperative mechanical arm, which comprises a bearing mechanism, an adjusting mechanism and a slave-end connecting mechanism; the operating table is clamped and fixed through the bearing mechanism, so that the installation efficiency and the installation stability of the operation cooperative mechanical arm are improved, the occupied space of a bedside rail is reduced, the installation of other operation equipment is facilitated, and the operation space of a doctor is prevented from being influenced; through setting up the adjustment mechanism that has level adjustment function and height adjustment function to the operation cooperation arm of being convenient for can adjust according to patient's size, in order to improve the adaptability of operation cooperation arm.

In the scheme, the whole mechanical arm is fixed on the operating table through the bearing mechanism, when the mechanical arm is actually used, the mechanical arm needs to be adjusted in proper position according to the size of a patient, in the process of adjusting the mechanical arm, the bearing mechanism needs to be released to fix the operating table, then the mechanical arm can be moved, the structure of the bearing mechanism is complex, workers operate the mechanical arm in a troublesome manner, once the bearing mechanism is released to fix the operating table, the whole mechanical arm can be suspended, the workers can only hold the mechanical arm or stabilize the mechanical arm through hoisting equipment, and the two modes are time-consuming and labor-consuming, so that the efficiency of disassembly, assembly and transportation of the mechanical arm is affected; to this end, the invention provides a surgical robotic arm.

Disclosure of Invention

In order to overcome the deficiencies of the prior art, at least one technical problem presented in the background art is solved.

The technical scheme adopted for solving the technical problems is as follows: the invention discloses a surgical mechanical arm, which comprises a guide rail fixedly arranged at the edge of an operating table, wherein one side of the guide rail is provided with a mounting seat, the mounting seat is provided with an adjusting mechanism, the mounting seat comprises a base, a screw rod, a screw sleeve which is rotatably arranged below the base and is screwed on the screw rod, four groups of connecting rods, one ends of the four groups of connecting rods are hinged on the screw sleeve, four groups of supporting rods, the other ends of the four groups of connecting rods are respectively hinged with four groups of supporting rods, a roller which is rotatably arranged at the lower end of the supporting rods, the upper end of the supporting rod is hinged with the base, a fixed plate which is fixedly arranged at one side of the base, two groups of sliding rails are symmetrically and fixedly arranged on the fixed plate, the two groups of sliding rails are respectively connected with a guide sleeve in a sliding manner, and the guide sleeve is used for clamping the guide rail, two groups of bolts which are screwed on two sides of the base and bolts which are screwed on the sliding rails;

The setting of gyro wheel makes the staff more convenient to the transport of device, and secondly uide bushing position can be nimble the regulation, makes the staff can realize the block of uide bushing and guide rail fast, makes the staff more convenient and laborsaving with the dismantlement to the installation of arm, and secondly uide bushing can slide along the guide rail, makes this device can be nimble remove along operation bed edge to the staff of being convenient for is to the regulation of this device position.

Preferably, the end part of the bolt is fixedly sleeved with a rubber sleeve, and the rubber sleeve is opposite to the side surface of the operating table;

The setting of the rubber sleeve not only increases the friction force between the end part of the bolt and the side surface of the operating table, but also avoids the end part of the bolt from generating crush injury to the side surface of the operating table.

Preferably, the base comprises a shell, the adjusting mechanism is fixedly arranged on the shell, two groups of first supporting rods, one ends of the first supporting rods are hinged in the shell, the second supporting rods are hinged at the other ends of the first supporting rods, the hinged seat is fixedly connected with the second supporting rods, the hinged seat is fixedly connected with the fixed plate, two groups of movable blocks are respectively positioned in the two groups of first supporting rods, the two groups of movable blocks are both screwed on first double-threaded lead screws, the upper ends of the supporting rods are hinged with the shell, the two groups of first supporting rods are symmetrically distributed in the shell, the first double-threaded lead screws penetrate through the two groups of first supporting rods, the first double-threaded lead screws are rotatably arranged in the shell, pressure-bearing grooves are formed in the upper side and the lower side of each first supporting rod, convex shafts are respectively arranged in the upper side and the lower side of each movable block, and the convex shafts are positioned in the pressure-bearing grooves;

Because the uide bushing block is on the guide rail, the device will be drawn close with the operating table, because the structure that first vaulting pole and second vaulting pole make up can stretch out and draw back, in drawing in four sets of bracing pieces in-process, make this device unable empting.

Preferably, the guide sleeve comprises a middle plate, a second double-thread screw rod rotatably arranged on the middle plate, two groups of clamping plates screwed on the second double-thread screw rod, two rows of first rollers arranged in the clamping plates, the first rollers are rotatably arranged in the clamping plates, two groups of guide grooves are symmetrically formed in the clamping plates, the sliding rail is movably inserted into the guide grooves, two groups of rectangular grooves are symmetrically formed in the middle plate, second rollers are rotatably arranged in the rectangular grooves, sliding grooves are formed in the upper side and the lower side of the guide rail, the two rows of first rollers are used for clamping the sliding grooves, two groups of rubber columns fixedly sleeved at the two ends of the second double-thread screw rod, and the outer rings of the rubber columns are attached to the fixed plates;

Because two sets of cardboard intervals can be adjusted to the rubber column can be along with the staff to the fixed of whole uide bushing position of the regulation realization of two sets of cardboard intervals, in-process on the guide rail with uide bushing block, the staff will be laborsaving more and quick.

The beneficial effects of the invention are as follows:

1. The setting of gyro wheel makes the staff more convenient to the transport of device, and secondly uide bushing position can be nimble the regulation, makes the staff can realize the block of uide bushing and guide rail fast, makes the staff more convenient and laborsaving with the dismantlement to the installation of arm, and secondly uide bushing can slide along the guide rail, makes this device can be nimble remove along operation bed edge to the staff of being convenient for is to the regulation of this device position.

2. Along with the rotation of the first double-thread screw rod, the two groups of movable blocks move oppositely, meanwhile, the protruding shafts on the movable blocks press the inner wall of the pressure-bearing groove on the first supporting rods, and the protruding shafts slide along the pressure-bearing groove, so that the two groups of first supporting rods rotate in opposite directions, along with the rotation of the two groups of first supporting rods, the two groups of first supporting rods drive the two groups of second supporting rods to rotate in opposite directions, the combined structure of the first supporting rods and the second supporting rods stretches out of the shell, the fixed plate and the guide sleeve move towards the lateral direction of the operating table until the two groups of first supporting rods are parallel to each other, and staff can directly clamp the guide sleeve and the guide rail under the condition that the four groups of supporting rods do not need to be folded.

3. The interval of adjusting two sets of cardboard is greater than the width of guide rail, the guide rail will be very easy enter into between two sets of cardboard, until two sets of second rollers on the medium plate all paste the guide rail, rotate the second double-thread lead screw once more, make two sets of cardboard remove in opposite directions, remove the compression to the rubber post, two first rollers on the cardboard will enter into in the spout on the guide rail, and the inner wall of first roller outer lane laminating spout, make the guide rail by the centre gripping between two sets of cardboard, realize on with uide bushing block guide rail, because two sets of cardboard intervals can be adjusted, and the rubber post can be along with the staff to the regulation of two sets of cardboard intervals realize the fixed to whole uide bushing position, in-process with uide bushing block on the guide rail, the staff will be more laborsaving and quick.

Drawings

The invention is further described below with reference to the accompanying drawings.

FIG. 1 is a schematic diagram of the structure of the present invention.

Fig. 2 is a schematic view of the combination of the guide rail, the fixing plate, the slide rail, the guide sleeve and the bolt.

Fig. 3 is a schematic view showing another state of the combination of the base, the support rod and the roller.

Fig. 4 is a schematic view of the combination of the adjusting mechanism, the base and the support rod of the present invention.

FIG. 5 is a schematic diagram of a combination of a base and a fixing plate in cross section according to the present invention.

Fig. 6 is a schematic view of a combination of a slide rail and a guide sleeve according to the present invention.

Fig. 7 is a schematic diagram of a board according to the present invention.

In the figure: 1. a guide rail; 101. a chute; 2. an operating bed; 3. a mounting base; 4. an adjusting mechanism; 301. a base; 302. a screw; 303. a screw sleeve; 304. a connecting rod; 305. a support rod; 306. a roller; 307. a fixing plate; 308. a slide rail; 309. a guide sleeve; 310. a bolt; 11. a rubber sleeve; 3011. a housing; 3012. a first stay; 121. a pressure-bearing groove; 3013. a second stay bar; 3014. a hinge base; 3015. a movable block; 151. a protruding shaft; 3016. the first double-thread lead screw; 3091. a middle plate; 911. rectangular grooves; 912. a second roller; 3092. a second double-threaded lead screw; 3093. a clamping plate; 931. a guide groove; 3094. a first roller; 3095. rubber column.

Detailed Description

The invention is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.

Embodiment one: as shown in fig. 1 to 3, the surgical mechanical arm according to the embodiment of the invention includes a guide rail 1 fixedly installed at the edge of an operating table 2, an installation seat 3 is provided at one side of the guide rail 1, an adjusting mechanism 4 is provided on the installation seat 3, the installation seat 3 includes a base 301, a screw 302, the screw 302 is rotatably installed below the base 301, a threaded sleeve 303 is screwed on the screw 302, four groups of connecting rods 304, one ends of the four groups of connecting rods 304 are hinged on the threaded sleeve 303, four groups of supporting rods 305, the other ends of the four groups of connecting rods 304 are respectively hinged on the four groups of supporting rods 305, a roller 306 is rotatably installed at the lower end of the supporting rods 305, the upper end of the supporting rods 305 is hinged on the base 301, a fixing plate 307 is fixedly installed at one side of the base 301, two groups of sliding rails 308 are symmetrically and fixedly installed on the fixing plate 307, the two groups of sliding rails 308 are both slidingly connected with a guide sleeve 309, the guide sleeve 309 is used for clamping the guide rail 1, two groups of bolts 310 are screwed on both sides of the base 301, and bolts 310 are screwed on the sliding rails 308.

Specifically, the adjusting mechanism 4 adopts a relevant corresponding mechanism in a surgical cooperation mechanical arm of the publication No. CN116269814B, when the mechanical arm is required to be installed, because four groups of rollers 306 are arranged on the device, a worker can push the device to one side of the edge of the surgical bed 2 quickly, the screw 302 is driven to rotate by a motor, the screw sleeve 303 moves upwards along with the rotation of the screw 302, meanwhile, the screw sleeve 303 draws the four groups of supporting rods 305 towards the middle by driving the four groups of connecting rods 304 until the supporting rods 305 are perpendicular to the installation seat 3, the rollers 306 are received under the installation seat 3, the occupied space of the device is reduced by the four groups of supporting rods 305 after the drawing, then the position of the guide sleeve 309 is adjusted along the sliding rail 308, one end of the guide sleeve 309 is aligned with the end of the guide rail 1, then the device is pushed, the guide sleeve 309 moves towards the guide rail 1, until the guide rail 1 passes through the guide sleeve 309 to enable the guide sleeve 309 to be clamped on the guide rail 1, in the moving process of the pushing device, the guide sleeve 309 slides along the guide rail 1, after the device is determined, the bolts 310 on the two groups of slide rails 308 are rotated, the bolts 310 are screwed towards the side face of the operating table 2 along with the rotation of the bolts 310 until the end parts of the bolts 310 press the side face of the operating table 2, thereby realizing the fixation of the whole device, completing the installation of the mechanical arm, compared with the prior art, the setting of the rollers 306 enables the carrying of the device by a worker to be more convenient, the position of the guide sleeve 309 can be flexibly adjusted, the clamping of the guide sleeve 309 and the guide rail 1 can be quickly realized by the worker, the installation and the disassembly of the mechanical arm by the worker are more convenient and labor-saving, the guide sleeve 309 can slide along the guide rail 1, the device can be flexibly moved along the edge of the operating table 2, thereby being convenient for the staff to adjust the position of the device.

Further, the end of the bolt 310 is fixedly sleeved with a rubber sleeve 11, and the rubber sleeve 11 faces the side surface of the operating table 2.

Specifically, when the end of the bolt 310 presses the side of the operating table 2, the rubber sleeve 11 at the end of the bolt 310 is pressed on the side of the operating table 2, and the setting of the rubber sleeve 11 not only increases the friction between the end of the bolt 310 and the side of the operating table 2, but also avoids the end of the bolt 310 from damaging the side of the operating table 2.

As shown in fig. 4 to 5, the base 301 includes a housing 3011, an adjusting mechanism 4 is fixedly mounted on the housing 3011, two groups of first supporting rods 3012, one end of each first supporting rod 3012 is hinged in the housing 3011, a second supporting rod 3013 hinged to the other end of each first supporting rod 3012, a hinge seat 3014 fixedly connected with the second supporting rod 3013, the hinge seat 3014 is fixedly connected with a fixing plate 307, two groups of movable blocks 3015, the two groups of movable blocks 3015 are respectively located in the two groups of first supporting rods 3012, the two groups of movable blocks 3015 are both screwed on a first double-threaded screw 3016, the upper end of each supporting rod 305 is hinged to the housing 3011, the two groups of first supporting rods 3012 are symmetrically distributed in the housing 3011, the first double-threaded screw 3016 passes through the two groups of first supporting rods 3012, the first double-threaded screw 3016 is rotatably mounted in the housing 3011, pressure-bearing grooves 121 are formed in the upper and lower sides of the first supporting rods 3012, convex shafts 151 are respectively located in the pressure-bearing grooves 121.

Specifically, in the initial state, the distance between the guide sleeve 309 and the side surface of the operating table 2 is far greater than the distance between the lower end of the supporting rod 305 and the side surface of the operating table 2, so when the guide sleeve 309 is clamped on the guide rail 1, four groups of supporting rods 305 must be folded in advance, the folded four groups of supporting rods 305 will face the supporting surface of the device in a reduced way, due to the installation of the adjusting mechanism 4 on the base 301, the head of the device is light and the gravity center is unstable, because the position of the device needs to be moved during the process of clamping the guide sleeve 309 on the guide rail 1, the device is easy to topple, therefore, before the four groups of supporting rods 305 are clamped on the guide sleeve 309, the motor drives the first double-threaded screw 3016 to rotate, along with the rotation of the first double-threaded screw 3016, the two groups of movable blocks 3015 will move towards each other, meanwhile, the protruding shafts 151 on the movable blocks 3015 will press the inner walls of the bearing grooves 121 on the first supporting rods 3012, and the protruding shafts 151 slide along the bearing grooves 121, the two sets of first supporting rods 3012 are rotated in opposite directions, along with the rotation of the two sets of first supporting rods 3012, the two sets of first supporting rods 3012 drive the two sets of second supporting rods 3013 to rotate in opposite directions, the structure formed by combining the first supporting rods 3012 and the second supporting rods 3013 extends out of the shell 3011, the fixed plate 307 and the guide sleeve 309 move towards the side surface of the operating table 2 until the two sets of first supporting rods 3012 are parallel to each other, at the moment, the distance between the guide sleeve 309 and the side surface of the operating table 2 is far smaller than the distance between the lower end of the supporting rod 305 and the side surface of the operating table 2, so that a worker can directly engage the guide sleeve 309 and the guide rail 1 without folding the four sets of supporting rods 305, after the guide sleeve 309 is engaged, the four sets of supporting rods 305 are folded, the first double-threaded lead screw 3016 is rotated again, the structure formed by combining the first supporting rods 3012 and the second supporting rods 3013 is folded into the shell 3011, in the retracting process, since the guide sleeve 309 is clamped on the guide rail 1, the device will be pulled close to the operating table 2, and since the structure formed by combining the first stay 3012 and the second stay 3013 can be extended and contracted, the device cannot be tilted in the process of retracting the four groups of support rods 305.

Embodiment two: as shown in fig. 6 to 7, comparative example one, in which another embodiment of the present invention is: the guide sleeve 309 comprises a middle plate 3091, a second double-threaded screw 3092 rotatably mounted on the middle plate 3091, two groups of clamping plates 3093 screwed on the second double-threaded screw 3092, two rows of first rollers 3094 arranged in the clamping plates 3093, the first rollers 3094 rotatably mounted in the clamping plates 3093, two groups of guide grooves 931 symmetrically arranged on the clamping plates 3093, sliding rails 308 movably inserted into the guide grooves 931, two groups of rectangular grooves 911 symmetrically arranged on the middle plate 3091, second rollers 912 rotatably mounted in the rectangular grooves 911, sliding grooves 101 formed in the upper side and the lower side of the guide rail 1, two rows of first rollers 3094 used for clamping the sliding grooves 101, two groups of rubber columns 3095 fixedly sleeved on the two ends of the second double-threaded screw 3092, and outer rings of the rubber columns 3095 are attached to the fixing plate 307.

Specifically, in the process of the engagement of the guide sleeve 309 and the guide rail 1, the guide sleeve 309 needs to be aligned with the end of the guide rail 1, in the process of alignment, the position of the guide sleeve 309 needs to be adjusted, because the guide sleeve 309 is slidably connected with the guide rail 308, a worker is required to hold the guide sleeve 309 in the whole course, secondly, the manual adjustment of the position accuracy of the guide sleeve 309 is used for controlling the difference, so that the alignment of the guide sleeve 309 with the end of the guide rail 1 is very time-consuming and labor-consuming, the efficiency of the engagement of the guide sleeve 309 with the guide rail 1 is affected, in the initial state, the two sets of clamping plates 3093 are combined, therefore, before the guide sleeve 309 engages the guide rail 1, the device is pushed to the side of the operating table 2, the device is parallel to the side of the operating table 2 as much as possible, the position of the guide sleeve 309 is adjusted along the guide rail 308, the guide sleeve 309 is equal to the guide rail 1 in height, the second double-threaded lead screw 3092 is rotated, the second double-threaded lead 3093 is rotated along with the rotation of the second double-threaded lead 3092 is moved back along the guide rail 308, the two groups of clamping plates 3093 are separated, the distance between the two groups of clamping plates 3093 is increased along with the movement of the clamping plates 3093, the clamping plates 3093 squeeze the rubber columns 3095, the rubber columns 3095 are compressed, the compressed rubber columns 3095 expand, the rubber columns 3095 are tightly attached to the fixing plates 307, friction force between the rubber columns 3095 and the fixing plates 307 is increased, the separated two groups of clamping plates 3093 are fixed, at the moment, the device is pushed towards the side direction of the operating table 2, because the distance between the two groups of clamping plates 3093 is larger than the width of the guide rail 1, the guide rail 1 can easily enter between the two groups of clamping plates 3093 until the two groups of second rollers 912 on the middle plate 3091 are attached to the guide rail 1, the second double-threaded lead screw 3092 is rotated again, the two groups of clamping plates 3093 move towards each other, the compression of the rubber columns 3095 is relieved, the two rows of first rollers 3094 on the clamping plates 3093 enter into the sliding grooves 101 on the guide rail 1, and the inner wall of first roller 3094 outer lane laminating spout 101 makes guide rail 1 by the centre gripping between two sets of cardboard 3093, realizes on with uide bushing 309 block guide rail 1, because two sets of cardboard 3093 interval can be adjusted to rubber post 3095 can be along with the staff to the fixed of whole uide bushing 309 position of the regulation realization of two sets of cardboard 3093 interval, in the in-process with uide bushing 309 block on guide rail 1, the staff will be more laborsaving and quick.

Working principle: the motor drives the first double-threaded screw 3016 to rotate, along with the rotation of the first double-threaded screw 3016, the two groups of movable blocks 3015 move oppositely, meanwhile, the protruding shafts 151 on the movable blocks 3015 press the inner wall of the pressure-bearing grooves 121 on the first support rods 3012, the protruding shafts 151 slide along the pressure-bearing grooves 121, the two groups of first support rods 3012 rotate oppositely, along with the rotation of the two groups of first support rods 3012, the two groups of first support rods 3012 drive the two groups of second support rods 3013 to rotate oppositely, the structure formed by the first support rods 3012 and the second support rods 3013 extends out of the shell 3011, the fixed plate 307 and the guide sleeve 309 move towards the side surface of the operating table 2 until the two groups of first support rods 3012 are parallel to each other, the device pushes the side surface of the operating table 2, the device is parallel to the side surface of the operating table 2 as much as possible, the position of the guide sleeve 309 is adjusted along the slide rail 308, the guide sleeve 309 is equal to the guide rail 1 in height, the second double-threaded screw 3092 is rotated, along with the rotation of the second double-threaded screw rod 3092, the two groups of clamping plates 3093 move back along the sliding rail 308, so that the two groups of clamping plates 3093 are separated, along with the movement of the clamping plates 3093, the distance between the two groups of clamping plates 3093 is increased continuously, meanwhile, the clamping plates 3093 squeeze the rubber column 3095, the rubber column 3095 is compressed, the compressed rubber column 3095 expands, the rubber column 3095 is tightly attached to the fixed plate 307, friction force between the rubber column 3095 and the fixed plate 307 is increased, the separated two groups of clamping plates 3093 are fixed, at the moment, the device is pushed towards the side face of the operating table 2, the guide rail 1 easily enters between the two groups of clamping plates 3093 until the two groups of second rollers 912 on the middle plate 3091 are attached to the guide rail 1, the second double-threaded screw rod 3092 is rotated again, so that the two groups of clamping plates 3093 move towards each other, the compression of the rubber column 3095 is relieved, the two rows of first rollers 3094 on the clamping plates 3093 enter the sliding groove 101 on the guide rail 1, the outer rings of the first rollers 3094 are attached to the inner wall of the sliding groove 101, the guide rail 1 is clamped between the two groups of clamping plates 3093, the guide sleeve 309 is clamped on the guide rail 1, the motor drives the screw rod 302 to rotate, the screw sleeve 303 moves upwards along with the rotation of the screw rod 302, the screw sleeve 303 simultaneously enables the four groups of supporting rods 305 to be folded towards the middle by driving the four groups of connecting rods 304 until the supporting rods 305 are perpendicular to the mounting seat 3, the roller 306 is received under the mounting seat 3, the first double-threaded lead screw 3016 is rotated again, the combined structure of the first supporting rods 3012 and the second supporting rods 3013 is retracted into the shell 3011, and in the retraction process, the device is pulled close to the operating table 2 due to the fact that the guide sleeve 309 is clamped on the guide rail 1.

The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a surgical mechanical arm, includes guide rail (1) of fixed mounting in operation table (2) edge, its characterized in that: one side of the guide rail (1) is provided with an installation seat (3), and the installation seat (3) is provided with an adjusting mechanism (4);

The mount (3) comprises:

A base (301);

the screw rod (302), the screw rod (302) is rotatably installed below the base (301);

A screw sleeve (303) screwed on the screw rod (302);

Four groups of connecting rods (304), wherein one ends of the four groups of connecting rods (304) are hinged to the screw sleeve (303);

the other ends of the four groups of the connecting rods (304) are respectively hinged with the four groups of the supporting rods (305);

A roller (306) rotatably installed at the lower end of the support rod (305), the upper end of the support rod (305) being hinged to the base (301);

a fixing plate (307) fixedly installed at one side of the base (301);

Two groups of sliding rails (308), wherein the two groups of sliding rails (308) are symmetrically and fixedly arranged on the fixed plate (307);

the two groups of sliding rails (308) are both connected with the guide sleeve (309) in a sliding manner, and the guide sleeve (309) is used for clamping the guide rail (1);

And a bolt (310) screwed on the sliding rail (308).

2. A surgical robotic arm as claimed in claim 1, wherein: the end part of the bolt (310) is fixedly sleeved with a rubber sleeve (11), and the rubber sleeve (11) is opposite to the side surface of the operating table (2).

3. A surgical robotic arm as claimed in claim 2, wherein: the base (301) comprises:

A housing (3011), wherein the adjusting mechanism (4) is fixedly mounted on the housing (3011);

two groups of first stay bars (3012), wherein one end of each first stay bar (3012) is hinged in the shell (3011);

A second stay bar (3013) hinged to the other end of the first stay bar (3012);

A hinge base (3014) fixedly connected to the second stay bar (3013), the hinge base (3014) being fixedly connected to the fixing plate (307);

two groups of movable blocks (3015), wherein the two groups of movable blocks (3015) are respectively positioned in the two groups of first stay bars (3012);

The two groups of movable blocks (3015) are both in threaded connection with a first double-threaded lead screw (3016).

4. A surgical robotic arm according to claim 3, wherein: the upper end of the supporting rod (305) is hinged with the shell (3011), and the two groups of first supporting rods (3012) are symmetrically distributed in the shell (3011).

5. The surgical robotic arm of claim 4, wherein: the first double-threaded lead screw (3016) penetrates through the two groups of first stay bars (3012), and the first double-threaded lead screw (3016) is rotatably installed in the shell (3011).

6. A surgical robotic arm as claimed in claim 5, wherein: pressure-bearing grooves (121) are formed in the upper side and the lower side of the first stay bar (3012), protruding shafts (151) are arranged in the upper side and the lower side of the movable block (3015), and the protruding shafts (151) are located in the pressure-bearing grooves (121).

7. The surgical robotic arm of claim 6, wherein: the guide sleeve (309) comprises:

a middle plate (3091);

a second double-threaded screw (3092) mounted on the middle plate (3091) is rotated;

Two groups of clamping plates (3093) which are screwed on the second double-threaded screw rod (3092);

two rows of first rollers (3094) disposed within the card (3093), the first rollers (3094) being rotatably mounted within the card (3093);

two groups of rubber columns (3095) fixedly sleeved at two ends of the second double-threaded screw rod (3092), and outer rings of the rubber columns (3095) are attached to the fixing plate (307).

8. The surgical robotic arm of claim 7, wherein: two groups of guide grooves (931) are symmetrically formed in the clamping plate (3093), and the sliding rail (308) is movably inserted into the guide grooves (931).

9. A surgical robotic arm as claimed in claim 8, wherein: two groups of rectangular grooves (911) are symmetrically formed in the middle plate (3091), and second rollers (912) are rotatably arranged in the rectangular grooves (911).

10. A surgical robotic arm as claimed in claim 9, wherein: the upper side and the lower side of the guide rail (1) are both provided with sliding grooves (101), and the two rows of first rollers (3094) are used for clamping the sliding grooves (101).