CN112842805B - Accurate-positioning reduction fixing forceps for traumatic orthopedics department - Google Patents

Accurate-positioning reduction fixing forceps for traumatic orthopedics department Download PDF

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Publication number
CN112842805B
CN112842805B CN202110100192.3A CN202110100192A CN112842805B CN 112842805 B CN112842805 B CN 112842805B CN 202110100192 A CN202110100192 A CN 202110100192A CN 112842805 B CN112842805 B CN 112842805B
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CN
China
Prior art keywords
block
driving
shaft
screw rod
clamping
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.)
Expired - Fee Related
Application number
CN202110100192.3A
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Chinese (zh)
Other versions
CN112842805A (en
Inventor
王亚宁
徐晓光
徐波
王长峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wang Yaning
Xu Bo
Xu Xiaoguang
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Individual
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Priority to CN202110100192.3A priority Critical patent/CN112842805B/en
Publication of CN112842805A publication Critical patent/CN112842805A/en
Application granted granted Critical
Publication of CN112842805B publication Critical patent/CN112842805B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G15/00—Operating chairs; Dental chairs; Accessories specially adapted therefor, e.g. work stands
    • A61G15/10—Parts, details or accessories
    • A61G15/12—Rests specially adapted therefor, e.g. for the head or feet
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F5/00—Orthopaedic methods or devices for non-surgical treatment of bones or joints; Nursing devices; Anti-rape devices
    • A61F5/01—Orthopaedic devices, e.g. splints, casts or braces
    • A61F5/04—Devices for stretching or reducing fractured limbs; Devices for distractions; Splints
    • A61F5/05—Devices for stretching or reducing fractured limbs; Devices for distractions; Splints for immobilising
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F5/00—Orthopaedic methods or devices for non-surgical treatment of bones or joints; Nursing devices; Anti-rape devices
    • A61F5/01—Orthopaedic devices, e.g. splints, casts or braces
    • A61F5/04—Devices for stretching or reducing fractured limbs; Devices for distractions; Splints
    • A61F5/05—Devices for stretching or reducing fractured limbs; Devices for distractions; Splints for immobilising
    • A61F5/058—Splints
    • A61F5/05841—Splints for the limbs
    • A61F5/0585—Splints for the limbs for the legs
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G2210/00—Devices for specific treatment or diagnosis
    • A61G2210/10—Devices for specific treatment or diagnosis for orthopedics

Abstract

The invention discloses a reduction fixing clamp for wound orthopedics with accurate positioning, which comprises a driving device, a fixing clamp, a chair and an angle adjusting device, wherein the angle adjusting device is adjusted to a proper angle, the legs of a patient are placed in the fixing clamp, the driving device is used for providing clamping power and adjusting the distance of the fixing clamp, and after the fixing of the fixing clamp is completed, the angle adjusting device is used for adjusting the legs of the patient to a proper position again. The invention has the characteristics of simple structure and convenient use.

Description

Accurate-positioning reduction fixing forceps for traumatic orthopedics department
Technical Field
The invention relates to the field of medical instruments, in particular to a reduction fixing clamp for traumatic orthopedics with accurate positioning.
Background
Along with the common use of vehicles, traffic accidents are more and more frequent, wound orthopedic patients increase day by day, the three parts of fracture treatment are reset, fixed and healed, the fixation is a starting and ending link of reset and healing, good fixation not only consolidates the reset effect, but also promotes the healing speed and quality, and therefore the invention provides the reset fixing clamp for the wound orthopedics, which is used for accurately positioning the leg injuries of the patients.
Disclosure of Invention
Aiming at the technical problems, the invention provides the reduction fixing forceps for the wound orthopedics department with accurate positioning, which can effectively solve the technical problems and has the advantages of simple structure and convenient use.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: a reduction fixing clamp for trauma orthopedics with accurate positioning comprises a driving device, a fixing clamp, a chair and an angle adjusting device.
The driving device comprises a connecting plate, a sliding block, a movable clamp driving wheel and a fixed clamp driving wheel; the fixed pincers comprise a supporting frame and an outer gear; the angle adjusting device comprises a rotating large plate, an adjusting screw rod nut, a rotating shaft, a feeding cylinder and a connecting rod connecting block.
The fixed pincers be provided with two, support frame fixed mounting on the connecting plate of one, support frame fixed mounting on the slider of another to two external gears respectively with activity pincers drive wheel and fixed pincers drive wheel intermeshing, connecting plate fixed mounting is on adjustment screw-nut, the pivot is installed on the chair, and the equal fixed mounting of chair and rotation big board is in the pivot, the cylinder body and the connecting rod connecting block of feeding cylinder are fixed mounting respectively on the chair.
Further, the driving device also comprises two screw rod positioning plates, a feeding screw rod, a movable connecting block, a limiting block, a spline shaft, a spline housing, a transmission gear, a driving gear, a pliers driving gear, a driving motor, a connecting shaft, an adjusting cylinder, a connecting shaft positioning block, a cylinder connecting block, a T-shaped slider, a transmission shaft mounting block, a synchronous belt, a driven synchronous belt pulley, a driving synchronous belt pulley, a transmission shaft, a guide rail and a screw rod nut, wherein the two screw rod positioning plates are respectively and fixedly arranged on the connecting plate, the feeding screw rod is rotatably arranged in the two screw rod positioning plates, the slider is slidably arranged on the guide rail, the movable connecting block and the screw rod nut are respectively arranged on two sides of the slider, the spline shaft is rotatably arranged in the movable connecting block, the movable pliers driving wheel is fixedly arranged on the spline shaft, the spline housing is fixedly arranged at one end of the connecting shaft, the other end of the connecting shaft is rotatably arranged in a connecting shaft positioning block, a transmission gear and a driving synchronous pulley are respectively and fixedly arranged at two ends of a transmission shaft, a driving gear is fixedly arranged on an output shaft of a driving motor, a pliers driving gear and a fixed pliers driving wheel are respectively and fixedly arranged on the connecting shaft, the driving motor, a cylinder body of an adjusting cylinder, a connecting shaft positioning block and a transmission shaft mounting block are respectively and fixedly arranged on a connecting plate, a cylinder connecting block is fixedly arranged on a T-shaped sliding block, a synchronous belt is arranged on a driven synchronous pulley and a driving synchronous pulley, and the synchronous belt is meshed with the driven synchronous belt pulley and the driving synchronous belt pulley, the driven synchronous belt pulley is fixedly arranged on the feeding screw rod, the transmission shaft is rotatably arranged on the transmission shaft mounting block, the guide rail is fixedly arranged on the connecting plate, the screw rod nut and the feeding screw rod form threaded fit, and the driving gear, the pliers driving gear and the transmission gear can be meshed with each other.
Furthermore, the fixing pliers also comprise a fixing groove, a clamping plate, a clamping rubber plate, an inner gear, a guide block, an optical axis guide rail, a rotating shaft, a clamping driven wheel, a compression spring, a rotating mounting frame, a clamping driving wheel, a rotating shaft mounting block and a rack, the fixing groove is fixedly arranged on the supporting frame, the rotating mounting frame is rotatably arranged in the fixing groove, the outer gear and the inner gear are respectively and fixedly arranged on the rotating mounting frame, the guide block and the rotating shaft mounting block are respectively and fixedly arranged on the fixing groove, the optical axis guide rail is in sliding fit with the guide block, the optical axis guide rail and the rack are respectively and fixedly arranged on the clamping plate, the rotating shaft is rotatably arranged in the rotating shaft mounting block, the clamping driven wheel and the clamping driving wheel are respectively and fixedly arranged at two ends of the rotating shaft, two ends of the compression spring are respectively and fixedly connected with the clamping plate and the clamping rubber plate, and the clamping driven wheel is meshed with the rack.
Further, the angle adjusting device further comprises a connecting rod, a swing rod, an adjusting motor, an adjusting lead screw mounting block, an adjusting lead screw, a driving rod, a rocker and a sliding pin, wherein one end of the connecting rod is rotatably mounted on the connecting rod connecting block, the other end of the connecting rod is hinged to one end of the swing rod through a pin, the adjusting motor is fixedly mounted on the adjusting lead screw mounting block, the adjusting lead screw mounting block is fixedly mounted on the rotating large plate, an adjusting lead screw nut is slidably mounted on the rotating large plate and forms threaded fit with the adjusting lead screw, the adjusting lead screw is rotatably mounted in the adjusting lead screw mounting block, two ends of the driving rod are respectively hinged to a piston rod and the rocker of the feeding cylinder through pins, a kidney-shaped groove is formed in the rocker, and the sliding pin is fixedly mounted on the connecting rod and forms sliding fit with the kidney-shaped groove of the rocker.
Furthermore, the limiting blocks are provided with two limiting blocks, the two limiting blocks are fixedly arranged on the spline shaft, and the two limiting blocks are arranged at two ends of the movable connecting block.
Furthermore, the spline shaft and the spline housing are in sliding fit, and are fixedly connected when rotating.
Furthermore, a piston rod of the adjusting cylinder is hinged to the cylinder connecting block, a sliding groove is formed in the connecting plate, and the T-shaped sliding block is slidably mounted on the sliding groove of the connecting plate.
Furthermore, the clamping plate, the clamping rubber plate, the guide block, the optical axis guide rail, the rotating shaft, the clamping driven wheel, the compression spring, the clamping driving wheel, the rotating shaft mounting block and the rack are evenly provided with three groups, and the three clamping driving wheels are meshed with the inner gear respectively.
Furthermore, a connecting block is arranged on the large rotating plate, and one ends of the oscillating rod and the rocker are rotatably arranged on the connecting block of the large rotating plate.
Compared with the prior art, the invention has the beneficial effects that: the mode of one fixing clamp and one movable fixing clamp is adopted, and the targeted fixation can be performed on different fracture points; the angle can be adjusted at will according to the preference of the patient by using the angle adjusting device.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
FIG. 2 is a schematic view of a driving device according to the present invention.
Fig. 3 is a schematic view of the present invention.
FIG. 4 is a schematic view of an angle adjustment apparatus according to the present invention.
Reference numerals: 1-a drive device; 2-fixing the clamp; 3-a chair; 4-an angle adjustment device; 101-a connecting plate; 102-a screw rod positioning plate; 103-feeding screw rod; 104-a slide block; 105-moving the connecting block; 106-a limiting block; 107-a splined shaft; 108-movable clamp drive wheel; 109-spline housing; 110-a drive gear; 111-a drive gear; 112-forceps drive gear; 113-a drive motor; 114-a connecting shaft; 115-adjusting cylinder; 116-stationary tong drive wheels; 117-connecting shaft positioning block; 118-cylinder connecting block; a 119-T shaped slider; 120-a drive shaft mounting block; 121-a synchronous belt; 122-a driven synchronous pulley; 123-driving synchronous pulley; 124-a transmission shaft; 125-a guide rail; 126-screw nut; 201-a support frame; 202-fixed slot; 203-clamping plate; 204-clamping the rubber plate; 205-internal gear; 206-a guide block; 207-optical axis guide; 208-a rotating shaft; 209-grip driven wheel; 210-a compression spring; 211-rotating the mounting frame; 212-an outer gear; 213-clamping the driving wheel; 214-a rotating shaft mounting block; 215-rack; 401-connecting rod; 402-a sway bar; 403-rotating the large plate; 404-adjusting the motor; 405-adjusting the lead screw mounting block; 406-adjusting the feed screw nut; 407-adjusting screw rod; 408-a rotating shaft; 409-a feed cylinder; 410-connecting rod connecting block; 411-a drive rod; 412-rocker; 413-sliding pin.
Detailed Description
The present invention will be further described with reference to specific examples, which are illustrative of the invention and are not to be construed as limiting the invention.
Example (b): as shown in fig. 1, 2, 3 and 4, the reduction fixation forceps for trauma orthopedics with accurate positioning comprises a driving device 1, a fixation forceps 2, a chair 3 and an angle adjusting device 4.
The driving device 1 comprises a connecting plate 101, a slide block 104, a movable clamp driving wheel 108 and a fixed clamp driving wheel 116; the fixed clamp 2 comprises a support frame 201 and an outer gear 212; the angle adjusting device 4 comprises a large rotating plate 403, an adjusting screw nut 406, a rotating shaft 408, a feeding cylinder 409 and a connecting rod connecting block 410.
The fixed clamp 2 is provided with two, one supporting frame 201 is fixedly arranged on the connecting plate 101, the other supporting frame 201 is fixedly arranged on the sliding block 104, the two outer gears 212 are respectively meshed with the movable clamp driving wheel 108 and the fixed clamp driving wheel 116, the connecting plate 101 is fixedly arranged on the adjusting screw nut 406, the rotating shaft 408 is arranged on the chair 3, the chair 3 and the rotating large plate 403 are both fixedly arranged on the rotating shaft 408, and the cylinder body of the feeding cylinder 409 and the connecting rod connecting block 410 are respectively and fixedly arranged on the chair 3. The leg of the patient is placed in the fixed clamp 2 by adjusting the angle of the angle adjusting device 4 to a proper angle, the driving device 1 provides clamping power and distance adjustment for the fixed clamp 2, and the leg of the patient is adjusted to a proper position by the angle adjusting device 4 again after the fixed clamp 2 is fixed.
The specific structure of the driving device 1 in this embodiment is shown in fig. 2, and further includes a screw positioning plate 102, a feeding screw 103, a movable connecting block 105, a limiting block 106, a spline shaft 107, a spline housing 109, a transmission gear 110, a driving gear 111, a forceps driving gear 112, a driving motor 113, a connecting shaft 114, an adjusting cylinder 115, a connecting shaft positioning block 117, a cylinder connecting block 118, a T-shaped slider 119, a transmission shaft mounting block 120, a synchronous belt 121, a driven synchronous pulley 122, a driving synchronous pulley 123, a transmission shaft 124, a guide rail 125, and a screw nut 126, where the screw positioning plates 102 are provided in two numbers, the two screw positioning plates 102 are respectively and fixedly mounted on the connecting plate 101, the feeding screw 103 is rotatably mounted in the two screw positioning plates 102, the slider 104 is slidably mounted on the guide rail 125, the movable connecting block 105 and the screw nut 126 are respectively mounted on two sides of the slider 104, and the spline shaft 107 is rotatably mounted in the movable connecting block 105, the movable clamp driving wheel 108 is fixedly arranged on the spline shaft 107, the spline housing 109 is fixedly arranged at one end of the connecting shaft 114, the other end of the connecting shaft 114 is rotatably arranged in the connecting shaft positioning block 117, the transmission gear 110 and the driving synchronous pulley 123 are respectively and fixedly arranged at two ends of the transmission shaft 124, the driving gear 111 is fixedly arranged on an output shaft of the driving motor 113, the clamp driving gear 112 and the fixed clamp driving wheel 116 are respectively and fixedly arranged on the connecting shaft 114, the driving motor 113, the cylinder body of the adjusting cylinder 115, the connecting shaft positioning block 117 and the transmission shaft mounting block 120 are respectively and fixedly arranged on the connecting plate 101, the cylinder connecting block 118 is fixedly arranged on the T-shaped sliding block 119, the synchronous belt 121 is arranged on the driven synchronous pulley 122 and the driving synchronous pulley 123, the synchronous belt 121 is mutually meshed with the driven synchronous pulley 122 and the driving synchronous pulley 123, the driven synchronous pulley 122 is fixedly arranged on the feeding screw rod 103, the transmission shaft 124 is rotatably installed on the transmission shaft installation block 120, the guide rail 125 is fixedly installed on the connection plate 101, the lead screw nut 126 and the feeding lead screw 103 form threaded fit, and the driving gear 111, the forceps driving gear 112 and the transmission gear 110 can be meshed with each other. The adjusting cylinder 115 is used for pushing the T-shaped sliding block 119 to slide, so that the driving gear 111 drives the forceps driving gear 112 to rotate or the driving gear 111 drives the transmission gear 110 to rotate, and power for clamping the fixed forceps 2 or power for adjusting the position is provided, when clamping is performed, the driving gear 111 drives the forceps driving gear 112 to rotate, so that the connecting shaft 114 is driven to rotate, the rotation of the connecting shaft 114 can drive the fixed forceps driving wheel 116, the forceps driving gear 112, the spline housing 109, the movable forceps driving wheel 108 and the spline shaft 107 to rotate, so that power is provided for two fixed forceps 2, when the fixed forceps 2 needs to adjust the position, the driving gear 111 drives the transmission gear 110 to rotate, the transmission gear 110 rotates to drive the transmission shaft 124 to rotate, the transmission shaft 124 rotates to drive the driving synchronous pulley 123, the synchronous belt 121 and the driven synchronous pulley 122 to rotate, so that the feeding screw rod 103 is driven to rotate, the rotation of the feed screw 103 can drive the screw nut 126 to translate, and the translation of the screw nut 126 can drive the sliding block 104 to translate, so that the translation adjustment of the movable fixed clamp 2 is realized.
The structure of the fixing forceps 2 in this embodiment is as shown in fig. 3, and further includes a fixing groove 202, a clamping plate 203, a clamping rubber plate 204, an internal gear 205, a guide block 206, an optical axis guide rail 207, a rotation axis 208, a clamping driven wheel 209, a compression spring 210, a rotation mounting block 211, a clamping driving wheel 213, a rotation axis mounting block 214, and a rack 215, wherein the fixing groove 202 is fixedly mounted on the supporting frame 201, the rotation mounting block 211 is rotatably mounted in the fixing groove 202, the external gear 212 and the internal gear 205 are respectively fixedly mounted on the rotation mounting block 211, the guide block 206 and the rotation axis mounting block 214 are respectively fixedly mounted on the fixing groove 202, the optical axis guide rail 207 forms a sliding fit with the guide block 206, the optical axis guide rail 207 and the rack 215 are respectively fixedly mounted on the clamping plate 203, the rotation axis 208 is rotatably mounted in the rotation axis mounting block 214, the clamping driven wheel 209 and the clamping driving wheel 213 are respectively fixedly mounted at two ends of the rotation axis 208, the compression spring 210 is fixedly connected with the clamping plate 203 and the clamping rubber plate 204 at two ends respectively, and the clamping driven wheel 209 is meshed with the rack 215. Through drive arrangement 1's drive, can drive the rotation of outer gear 212, the rotation of outer gear 212 can drive rotation mounting bracket 211 and rotate, it can drive inner gear 205 rotatory to rotate mounting bracket 211, the rotation of inner gear 205 can drive and press from both sides tight action wheel 213 and rotate, the rotation that presss from both sides tight action wheel 213 can drive axis of rotation 208 and press from both sides from the driving wheel 209 rotatory, thereby drive rack 215 removes, the removal of rack 215 can drive the removal that presss from both sides tight board 203 and clamp tight rubber slab 204, thereby realize the function of pressing from both sides tightly, and simultaneously, be provided with compression spring 210 between tight board 203 and the tight rubber slab 204 of clamp, can effectual reduction to the injury of patient.
The specific structure of the angle adjusting device 4 in this embodiment is as shown in fig. 4, further comprising a connecting rod 401, a swing rod 402, an adjusting motor 404, an adjusting screw rod mounting block 405, an adjusting screw rod 407, a driving rod 411, a rocker 412, and a sliding pin 413, wherein one end of the connecting rod 401 is rotatably mounted on the connecting rod connecting block 410, the other end of the connecting rod 401 is hinged to one end of the swing rod 402 by a pin, the adjusting motor 404 is fixedly mounted on the adjusting screw rod mounting block 405, the adjusting screw rod mounting block 405 is fixedly mounted on the rotating large plate 403, an adjusting screw rod nut 406 is slidably mounted on the rotating large plate 403, the adjusting screw rod nut 406 and the adjusting screw rod 407 form a threaded fit, the adjusting screw rod 407 is rotatably mounted in the adjusting screw rod mounting block 405, two ends of the driving rod 411 are respectively hinged to a piston rod of the feeding cylinder 409 and the rocker 412 by a pin, a waist-shaped slot is provided on the rocker 412, the sliding pin 413 is fixedly mounted on the connecting rod 401, and the sliding pin 413 forms a sliding fit with the kidney slot of the rocker 412. The feed cylinder 409 pushes forwards to push the driving rod 411 to swing, so that the connecting rod 401 and the rocker 412 swing, and the swing rod 402 also swings along with the connecting rod, so that the rotating plate 403 is driven to rotate by taking the rotating shaft 408 as a circle center, and the whole angle is adjusted.
In this embodiment, as shown in fig. 2, two limiting blocks 106 are provided, the two limiting blocks 106 are both fixedly mounted on the spline shaft 107, and the two limiting blocks 106 are mounted at two ends of the movable connecting block 105.
In this embodiment, as shown in fig. 2, the spline shaft 107 and the spline housing 109 are in sliding fit, and the spline shaft 107 and the spline housing 109 are fixedly connected during rotation.
In this embodiment, as shown in fig. 2, a piston rod of the adjusting cylinder 115 is hinged to the cylinder connecting block 118, a sliding groove is formed in the connecting plate 101, and the T-shaped slider 119 is slidably mounted on the sliding groove of the connecting plate 101.
In this embodiment, as shown in fig. 3, three sets of the clamping plate 203, the clamping rubber plate 204, the guide block 206, the optical axis guide rail 207, the rotating shaft 208, the clamping driven wheel 209, the compression spring 210, the clamping driving wheel 213, the rotating shaft mounting block 214, and the rack 215 are uniformly arranged, and the three clamping driving wheels 213 are respectively engaged with the internal gear 205.
In this embodiment, as shown in fig. 4, a connecting block is provided on the large rotating plate 403, and one end of the rocking lever 402 and one end of the rocking bar 412 are rotatably mounted on the connecting block of the large rotating plate 403.

Claims (8)

1. The utility model provides a fixed pincers that restore to throne is used to accurate wound orthopedics in location, includes drive arrangement (1), fixed pincers (2), chair (3), angle adjusting device (4), its characterized in that:
the driving device (1) comprises a connecting plate (101), a screw rod positioning plate (102), a feeding screw rod (103), a sliding block (104), a movable connecting block (105), a limiting block (106), a spline shaft (107), a movable clamp driving wheel (108), a spline sleeve (109), a transmission gear (110), a driving gear (111), a clamp driving gear (112), a driving motor (113), a connecting shaft (114), an adjusting cylinder (115), a fixed clamp driving wheel (116), a connecting shaft positioning block (117), a cylinder connecting block (118), a T-shaped sliding block (119), a transmission shaft mounting block (120), a synchronous belt (121), a driven synchronous belt wheel (122), a driving synchronous belt wheel (123), a transmission shaft (124), a guide rail (125) and a screw rod nut (126), wherein two screw rod positioning plates (102) are respectively and fixedly arranged on the connecting plate (101), the feeding screw rods (103) are rotatably arranged in two screw rod positioning plates (102), a slider (104) is slidably arranged on a guide rail (125), a movable connecting block (105) and a screw rod nut (126) are respectively arranged at two sides of the slider (104), a spline shaft (107) is rotatably arranged in the movable connecting block (105), a movable clamp driving wheel (108) is fixedly arranged on the spline shaft (107), a spline sleeve (109) is fixedly arranged at one end of a connecting shaft (114), the other end of the connecting shaft (114) is rotatably arranged in a connecting shaft positioning block (117), a transmission gear (110) and a driving synchronous pulley (123) are respectively fixedly arranged at two ends of a transmission shaft (124), a driving gear (111) is fixedly arranged on an output shaft of a driving motor (113), a clamp driving gear (112) and a fixed front driving wheel (116) are respectively fixedly arranged on the connecting shaft (114), and the driving motor (113) is fixedly arranged on a T-shaped slider (119), a cylinder body of an adjusting cylinder (115), a connecting shaft positioning block (117) and a transmission shaft mounting block (120) are respectively and fixedly mounted on a connecting plate (101), a cylinder connecting block (118) is fixedly mounted on a T-shaped sliding block (119), a synchronous belt (121) is mounted on a driven synchronous pulley (122) and a driving synchronous pulley (123), the synchronous belt (121) is meshed with the driven synchronous pulley (122) and the driving synchronous pulley (123), the driven synchronous pulley (122) is fixedly mounted on a feeding screw rod (103), a transmission shaft (124) is rotatably mounted on the transmission shaft mounting block (120), a guide rail (125) is fixedly mounted on the connecting plate (101), a screw rod nut (126) and the feeding screw rod (103) form threaded fit, and a driving gear (111), a pliers driving gear (112) and a transmission gear (110) can be meshed with each other;
the fixed clamp (2) comprises a support frame (201) and an outer gear (212);
the angle adjusting device (4) comprises a large rotating plate (403), an adjusting screw nut (406), a rotating shaft (408), a feeding cylinder (409) and a connecting rod connecting block (410);
the fixed clamp (2) be provided with two, support frame (201) fixed mounting on connecting plate (101) of one, support frame (201) fixed mounting on slider (104) of another, and two external gear (212) respectively with activity pincers drive wheel (108) and fixed pincers drive wheel (116) intermeshing, connecting plate (101) fixed mounting is on adjusting screw nut (406), pivot (408) are installed on chair (3), and chair 3 and rotation big board (403) all fixed mounting are on pivot (408), the cylinder body and the connecting rod connecting block (410) of feeding cylinder (409) are fixed mounting respectively on chair (3).
2. The reduction fixation forceps for the trauma orthopedics department with accurate positioning according to claim 1, characterized in that: the fixed clamp (2) further comprises a fixed groove (202), a clamping plate (203), a clamping rubber plate (204), an internal gear (205), a guide block (206), an optical axis guide rail (207), a rotating shaft (208), a clamping driven wheel (209), a compression spring (210), a rotating mounting frame (211), a clamping driving wheel (213), a rotating shaft mounting block (214) and a rack (215), wherein the fixed groove (202) is fixedly arranged on the supporting frame (201), the rotating mounting frame (211) is rotatably arranged in the fixed groove (202), an external gear (212) and the internal gear (205) are respectively and fixedly arranged on the rotating mounting frame (211), the guide block (206) and the rotating shaft mounting block (214) are respectively and fixedly arranged on the fixed groove (202), the optical axis guide rail (207) and the guide block (206) form sliding fit, and the optical axis guide rail (207) and the rack (215) are respectively and fixedly arranged on the clamping plate (203), the rotating shaft (208) is rotatably arranged in the rotating shaft mounting block (214), the clamping driven wheel (209) and the clamping driving wheel (213) are respectively and fixedly arranged at two ends of the rotating shaft (208), two ends of the compression spring (210) are respectively and fixedly connected with the clamping plate (203) and the clamping rubber plate (204), and the clamping driven wheel (209) is meshed with the rack (215).
3. The reduction fixation forceps for the trauma orthopedics department with accurate positioning according to claim 1, characterized in that: the angle adjusting device (4) further comprises a connecting rod (401), a swing rod (402), an adjusting motor (404), an adjusting screw rod mounting block (405), an adjusting screw rod (407), a driving rod (411), a rocker (412) and a sliding pin (413), wherein one end of the connecting rod (401) is rotatably mounted on the connecting rod connecting block (410), the other end of the connecting rod (401) is hinged with one end of the swing rod (402) through a pin, the adjusting motor (404) is fixedly mounted on the adjusting screw rod mounting block (405), the adjusting screw rod mounting block (405) is fixedly mounted on the large rotating plate (403), an adjusting screw rod nut (406) is slidably mounted on the large rotating plate (403), the adjusting screw rod nut (406) and the adjusting screw rod (407) form threaded fit, the adjusting screw rod (407) is rotatably mounted in the adjusting screw rod mounting block (403), two ends of the driving rod (411) are respectively hinged with a piston rod of the feeding cylinder (409) and the rocker (412) through pins, a kidney-shaped groove is arranged on the rocker (412), a sliding pin (413) is fixedly arranged on the connecting rod (401), and the sliding pin (413) and the kidney-shaped groove of the rocker (412) form sliding fit.
4. The reduction fixation forceps for the trauma orthopedics department with accurate positioning according to claim 1, characterized in that: the two limiting blocks (106) are arranged, the two limiting blocks (106) are fixedly arranged on the spline shaft (107), and the two limiting blocks (106) are arranged at two ends of the movable connecting block (105).
5. The reduction fixation forceps for the trauma orthopedics department with accurate positioning according to claim 1, characterized in that: the spline shaft (107) and the spline sleeve (109) are in sliding fit, and the spline shaft (107) and the spline sleeve (109) are fixedly connected during rotation.
6. The reduction fixation forceps for the trauma orthopedics department with accurate positioning according to claim 1, characterized in that: a piston rod of the adjusting cylinder (115) is hinged with a cylinder connecting block (118), a sliding groove is formed in the connecting plate (101), and the T-shaped sliding block (119) is slidably mounted on the sliding groove of the connecting plate (101).
7. The reduction fixation forceps for the trauma orthopedics department with accurate positioning as claimed in claim 2, characterized in that: the clamping device is characterized in that three groups of clamping plates (203), clamping rubber plates (204), guide blocks (206), optical axis guide rails (207), rotating shafts (208), clamping driven wheels (209), compression springs (210), clamping driving wheels (213), rotating shaft mounting blocks (214) and racks (215) are uniformly arranged, and the three clamping driving wheels (213) are meshed with an internal gear (205) respectively.
8. The reduction fixation forceps for the trauma orthopedics department with accurate positioning as claimed in claim 3, characterized in that: the rotating large plate (403) is provided with a connecting block, and one end of the swinging rod (402) and one end of the rocker (412) are rotatably arranged on the connecting block of the rotating large plate (403).
CN202110100192.3A 2021-01-25 2021-01-25 Accurate-positioning reduction fixing forceps for traumatic orthopedics department Expired - Fee Related CN112842805B (en)

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