CN110279491B - Guide plate fixing support frame - Google Patents
Guide plate fixing support frame Download PDFInfo
- Publication number
- CN110279491B CN110279491B CN201910493886.0A CN201910493886A CN110279491B CN 110279491 B CN110279491 B CN 110279491B CN 201910493886 A CN201910493886 A CN 201910493886A CN 110279491 B CN110279491 B CN 110279491B
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- clamping
- hydraulic
- ball head
- guide plate
- support
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- 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
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/04—Hollow or tubular parts of organs, e.g. bladders, tracheae, bronchi or bile ducts
- A61F2/06—Blood vessels
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- 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
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/04—Hollow or tubular parts of organs, e.g. bladders, tracheae, bronchi or bile ducts
- A61F2/06—Blood vessels
- A61F2002/068—Modifying the blood flow model, e.g. by diffuser or deflector
-
- 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
- A61F2240/00—Manufacturing or designing of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2240/001—Designing or manufacturing processes
Abstract
A guide plate fixing and supporting frame belongs to the field of medical devices. The problem that a fixing device required by a medical 3D printing guide plate during quality inspection is lacked at present. The utility model provides a baffle fixed stay frame, includes a set of supporting element that links to each other, and the tight guiding mechanism (1) of clamp of every supporting element is the cylinder type, and in the circumferencial direction of the lateral wall of the tight guiding mechanism (1), a set of hydraulic pressure supporting mechanism and a set of hydraulic pressure switching pipe alternate evenly distributed, connecting plate (4) connect soon in the one end of pressing from both sides tight guiding mechanism (1). The guide plate support units are combined and placed from the two ends of the guide plate, the guide plate is expanded, rubbed and fixed, the guide plate is conveniently subjected to hole opening processing, the clamping force is high, and the stability of subsequent operation is improved.
Description
Technical Field
The invention relates to a supporting unit for quality inspection and processing of a medical 3D printing guide plate, in particular to a guide plate fixing and supporting frame.
Background
Aortic lesions, mainly including Aortic Aneurysm (AA) and Aortic Dissection (AD), are a common serious life-threatening disease. If the treatment is not carried out in time, the death rate is as high as 78% -94% once the aneurysm or the dissecting aneurysm is ruptured. On the latter half of the last century, traditional open surgery is the standard method for treating various Aortic diseases, but the surgical mortality rate of Aortic Dissection (AD) is as high as 21% -50%, and the paraplegia rate is as high as 10% -36%. The open surgery effect on the Abdominal Aortic Aneurysm (AAA) is better, but the defects of large surgical trauma, more complications, slow postoperative recovery, high mortality rate of patients with organ insufficiency of the elderly and the like still exist.
With the rapid development of vascular surgical techniques and novel vascular intervention materials in recent years, low-risk endovascular treatment techniques have become the development direction of treatment of aortic diseases. In 1991, Parodi used an endovascular artificial vascular guide to complete the first abdominal aortic aneurysm endovascular surgery (EVAR), and in 1994 Dake used a coated guide for thoracic aortic dissection Treatment (TEVAR), and endovascular techniques were widely focused and rapidly adopted.
With the publication of the results of random contrast experiments comparing aortic intraluminal treatment with conventional open surgery, the intraluminal treatment has been widely recognized and applied for its characteristics of small trauma, rapid recovery, postoperative complications and low mortality.
When the blood vessel guide plate is used for intracavity treatment, the guide plate needs to be perforated in advance to form a guide plate bracket matched with a target blood vessel and a branch blood vessel, but the type of the perforating equipment which can realize the perforating technology of the blood vessel guide plate is rare at present, a doctor can only perforate through hands by experience, and the problem of inaccurate perforating position exists. And a fixing device needed by the medical 3D printing guide plate during quality inspection and further processing is lacked.
Disclosure of Invention
The invention aims to solve the problem that a fixing device required by a medical 3D printing guide plate during quality inspection is not available at present, and provides a guide plate supporting unit.
A guide plate fixing support frame comprises a group of connected support units, each support unit comprises a clamping adjusting mechanism, a hydraulic support mechanism, a hydraulic connecting pipe and a connecting plate, the clamping adjusting mechanism is cylindrical, the group of hydraulic support mechanisms and the group of hydraulic connecting pipes are alternately and uniformly distributed in the circumferential direction of the outer side wall of the clamping adjusting mechanism, and the connecting plate is screwed at one end of the clamping adjusting mechanism; wherein the content of the first and second substances,
the clamping adjusting mechanism comprises a clamping support sleeve, a clamping bulb, a bulb clamping block and a spring,
the clamping support sleeve is of a hollow cylindrical shape, a group of structures for mounting the ball head clamping blocks are arranged on the side wall of the clamping support sleeve, the ball head clamping blocks are respectively inserted into the structures for mounting the ball head clamping blocks, a plurality of ball head clamping blocks are spliced into a containing cavity capable of containing the clamping ball head, the formed containing cavity is provided with a swinging opening for the clamping ball to swing in a rotating manner, and the clamping ball head is arranged in the containing cavity which is spliced by the plurality of ball head clamping blocks and capable of containing the clamping ball head;
the hydraulic support mechanism comprises a friction type expansion bag, a flow guide support pipe, a liquid inlet pipe and a connecting fixed seat; the bottom of the connecting fixed seat is fixed on the outer surface of the clamping support sleeve, the top of the connecting fixed seat is fixedly connected with a flow guide support tube, the top of the flow guide support tube is communicated with the friction type expansion bag, and the side wall of the flow guide support tube is communicated with a liquid inlet tube;
the hydraulic connecting pipe comprises a quick-mounting elbow and a hydraulic switching valve, wherein quick-mounting joints are arranged at two ends of the quick-mounting elbow, one end of the quick-mounting elbow is connected with the hydraulic switching valve, and the other end of the quick-mounting elbow is connected with a hose for conveying hydraulic oil;
the connecting plate is a circular plate, the outer side wall of the connecting plate is provided with a connecting external thread, one end of the connecting plate is provided with a connecting internal thread, and the connecting external thread is matched with the connecting thread of the clamping support sleeve;
the clamping adjusting mechanism further comprises connecting threads, the structure for mounting the ball clamping block comprises a ball clamping block mounting groove, a guide hole and a hydraulic hole, the ball clamping block mounting groove is formed in the inner surface of the clamping adjusting mechanism, and the ball clamping block mounting groove is communicated with the guide hole and the hydraulic hole in sequence towards the outer surface of the clamping adjusting mechanism;
the clamping ball head comprises a ball head and a connecting threaded rod, one end of the connecting threaded rod is provided with a threaded structure, and the other end of the connecting threaded rod is fixed with the ball head;
the inner surface of the ball clamping block is a friction surface made of friction materials, the outer surface of the ball clamping block is provided with a hydraulic guide column, the hydraulic guide column is inserted into the guide hole, the hydraulic guide column is further sleeved with a spring, one end of the spring abuts against the outer side surface, and the other end of the spring abuts against the ball clamping block mounting groove in the inner wall of the clamping support sleeve;
the friction surface is matched with the ball head and is in close contact with the ball head under the action of the elastic force of the spring, the ball head can be clamped by the friction force of the friction surface, and the inner side of the bottom of the clamping support sleeve is provided with a connecting thread which is an internal thread;
the hydraulic connecting pipe also comprises a hydraulic hole mounting seat, the top end of the hydraulic switching valve is connected with the quick connector at one end of the quick elbow, the bottom end of the hydraulic switching valve is provided with the hydraulic hole mounting seat, the hydraulic switching valve is mounted in the hydraulic hole, and the hydraulic hole mounting seat is in interference fit with the hydraulic hole;
when the guide plate supporting units are combined and connected for use, the connecting threaded rod of each clamping ball head is connected with the connecting internal thread of the connecting plate of the adjacent clamping ball head to form a series combination of the guide plate supporting units.
The invention has the beneficial effects that:
according to the invention, a device capable of applying pressure is used for applying pressure to the hydraulic hole through the quick-assembling elbow and the hydraulic switching valve, the hydraulic hole is equivalent to a hydraulic cylinder, the hydraulic guide column is equivalent to a hydraulic cylinder piston, under the pressure provided by the hydraulic pump, the hydraulic guide column is pushed to move towards the clamping ball head along the guide hole, the ball head is clamped by using a friction surface, the clamping ball head is fixed by using the ball head clamping block, the angle between a plurality of sections of combined assembly bodies of a tapping device for the guide plate supporting unit is fixed, so that the guide plate is supported, the shape of the guide plate is kept unchanged, and further the quality inspection and subsequent processing operation of the guide plate are carried out. Then, stop exerting pressure, then the friction surface no longer presss from both sides tightly the bulb, and guide plate supporting element recovers the original state, no longer plays the support setting effect to the guide plate to can take out guide plate supporting element from the baffle.
The guide plate support units are combined and placed from the two ends of the guide plate, the guide plate is expanded, rubbed and fixed, the guide plate is conveniently subjected to hole opening processing, the clamping force is high, and the stability of subsequent operation is improved.
Drawings
FIG. 1 is a schematic structural view of a support unit according to the present invention;
FIG. 2 is a schematic structural view of a supporting unit according to the present invention;
FIG. 3 is a schematic structural view of a supporting unit according to the present invention;
FIG. 4 is a schematic view of a clamp adjustment mechanism according to the present invention;
FIG. 5 is a schematic view of a clamp adjustment mechanism according to the present invention;
FIG. 6 is an exploded view of a clamp adjustment mechanism according to the present invention;
FIG. 7 is a rotary cross-sectional view of a clamp adjustment mechanism according to the present invention;
FIG. 8 is a cross-sectional view of FIG. 7;
FIG. 9 is a rotary cut-away of a clamping support sleeve according to the present invention;
FIG. 10 is a clamping bulb according to the present invention;
FIG. 11 is a schematic structural view of a ball clamping block according to the present invention;
FIG. 12 is a schematic structural view of a hydraulic support mechanism according to the present invention;
FIG. 13 is a schematic structural view of a hydraulic connection pipe according to the present invention;
FIG. 14 is a schematic structural view of a connection plate according to the present invention;
FIG. 15 is a multi-section combination assembly of the guide plate support unit according to the present invention.
Detailed Description
The first embodiment is as follows:
the guide plate fixing support frame comprises a group of support units which are connected, each support unit comprises a clamping adjusting mechanism 1, a hydraulic support mechanism 2, a hydraulic connecting pipe 3 and a connecting plate 4, the clamping adjusting mechanism 1 is cylindrical, the group of hydraulic support mechanisms 2 and the group of hydraulic connecting pipes 3 are alternately and uniformly distributed in the circumferential direction of the outer side wall of the clamping adjusting mechanism 1, and the connecting plate 4 is screwed at one end of the clamping adjusting mechanism 1; wherein the content of the first and second substances,
the clamping adjusting mechanism 1 mainly functions in connection and angle adjustment; the hydraulic support mechanism 2 is used for expanding and supporting under the action of hydraulic pressure, and the hydraulic connecting pipe 3 is used for communicating a hydraulic cavity in the clamping adjusting mechanism 1 with a connecting pipe for supplying hydraulic oil to the outside;
the clamping adjusting mechanism 1 comprises a clamping support sleeve 1a, a clamping ball head 1b, a ball head clamping block 1c and a spring 1d,
the clamping support sleeve 1a is hollow and cylindrical, a group of structures for mounting the ball head clamping blocks 1c are arranged on the side wall of the clamping support sleeve 1a, the ball head clamping blocks 1c are respectively inserted into the structures for mounting the ball head clamping blocks 1c, a plurality of ball head clamping blocks 1c are spliced into a containing cavity capable of containing the clamping ball head 1b, the formed containing cavity is provided with a swinging opening for the clamping ball head 1b to swing in a rotating manner, and the clamping ball head 1b is arranged in the containing cavity capable of containing the clamping ball head 1b spliced by the plurality of ball head clamping blocks 1 c;
the hydraulic support mechanism 2 comprises a friction type expansion bag 2a, a diversion support pipe 2b, a liquid inlet pipe 2c and a connecting fixed seat 2 d; the bottom of the connecting fixed seat 2d is fixed on the outer surface of the clamping support sleeve 1a and is a connecting part between the hydraulic support mechanism 2 and the clamping adjusting mechanism 1, the top of the connecting fixed seat 2d is fixedly connected with a flow guide support tube 2b, the top of the flow guide support tube 2b is communicated with a friction type expansion bag 2a, and the side wall of the flow guide support tube 2b is communicated with a liquid inlet tube 2 c;
the diversion supporting tube 2b is of a hollow pipeline structure and can be used for liquid to flow through, a liquid inlet tube 2c is arranged in the middle of the diversion supporting tube 2b, the top end of the diversion supporting tube 2b is connected with a friction type expansion bag 2a, and the diversion supporting tube 2b plays a role in fixing and supporting the friction type expansion bag 2 a.
The friction type expansion bag 2a is made of rubber materials with good elasticity, the outer surface of the friction type expansion bag has good friction performance, the interior of the friction type expansion bag is of a cavity structure and can be communicated with a hollow pipeline of the flow guide supporting pipe 2b, and hydraulic oil can flow into the inner cavity of the friction type expansion bag 2a through the hollow pipeline of the flow guide supporting pipe 2 b;
the hydraulic connecting pipe 3 comprises a quick-mounting elbow 3a and a hydraulic switching valve 3b, two ends of the quick-mounting elbow 3a are quick-mounting joints, one end of the quick-mounting elbow 3a is connected with the hydraulic switching valve 3b, and the other end of the quick-mounting elbow 3a is connected with a hose for conveying hydraulic oil;
the connecting plate 4 is a circular plate, a connecting external thread 4b is arranged on the outer side wall of the connecting plate 4, a connecting internal thread 4a is arranged at one end of the connecting plate 4, and the connecting external thread 4b is matched with a connecting thread 1a4 of the clamping support sleeve 1a for installation.
The second embodiment is as follows:
different from the first specific embodiment, the clamping adjustment mechanism 1 of the present embodiment further includes a connecting thread 1a4, and the structure for mounting the ball clamp 1c includes a ball clamp mounting groove 1a1, a guide hole 1a2, and a hydraulic hole 1a3, the ball clamp mounting groove 1a1 is disposed on the inner surface of the clamping adjustment mechanism 1, and the ball clamp mounting groove 1a1 is sequentially communicated with the guide hole 1a2 and the hydraulic hole 1a3 toward the outer surface of the clamping adjustment mechanism 1; .
The third concrete implementation mode:
different from the second embodiment, the clamping ball head 1b of the second embodiment for the guide plate supporting unit comprises a ball head 1b1 and a connecting threaded rod 1b2, wherein one end of the connecting threaded rod 1b2 is provided with a threaded structure, and the other end of the connecting threaded rod is fixed with the ball head 1b 1.
The fourth concrete implementation mode:
in a difference from the third embodiment, the inner surface of the ball clamp 1c is a friction surface 1c1 made of friction material, the outer surface is provided with a hydraulic guide column 1c2, the hydraulic guide column 1c2 is inserted into the guide hole 1a2, the hydraulic guide column 1c2 and the hydraulic guide column 1c21c2 are sleeved with a spring 1d, one end of the spring 1d is pressed against the outer side surface 11c3, and the other end of the spring is pressed against the ball clamp mounting groove 1a1 on the inner wall of the clamp support sleeve 1 a.
The friction surface 1c1 is matched with the ball head 1b1 and is in close contact with the ball head 1b1 under the action of the elastic force of the spring 1d, the ball head 1b1 can be preliminarily clamped by the friction force of the friction surface 1c1, the clamping force can meet the requirement of angle adjustment of the clamping ball head 1b, excessive load cannot be borne, the connecting thread 1a4 is arranged on the inner side of the bottom of the clamping support sleeve 1a, and the connecting thread 1a4 is an internal thread.
The fifth concrete implementation mode:
different from the fourth specific embodiment, the hydraulic connecting pipe 3 of the present embodiment further includes a hydraulic hole mounting seat 3b1, the top end of the hydraulic changeover valve 3b is connected to the quick coupler at one end of the quick elbow 3a, the bottom end of the hydraulic changeover valve 3b is provided with a hydraulic hole mounting seat 3b1, the hydraulic changeover valve 3b is installed in the hydraulic hole 1a3, and the hydraulic hole mounting seat 3b1 is in interference fit with the hydraulic hole 1a 3;
when a plurality of support units are combined and connected for use, the connecting threaded rod 1b2 of each clamping ball head 1b is connected with the connecting internal thread 4a of the connecting plate 4 of the adjacent clamping ball head 1b to form a series combination of a plurality of guide plate support units.
The working principle is as follows:
the hydraulic hole 1a3 is pressurized by a device capable of applying pressure through a quick-assembling elbow 3a and a hydraulic changeover valve 3b, at the moment, the hydraulic hole 1a3 is equivalent to a hydraulic cylinder, the hydraulic guide column 1c2 is equivalent to a hydraulic cylinder piston, under the pressure provided by a hydraulic pump, the hydraulic guide column 1c2 is pushed to move towards the clamping ball head 1b along the guide hole 1a2, the ball head 1b1 is clamped by a friction surface 1c1, the clamping ball head 1b is fixed by a ball head clamping block 1c, the angle between the multi-section combined assembly of the tapping device for the guide plate supporting unit is fixed, so that the guide plate is supported, the shape of the guide plate is kept unchanged, and the quality inspection and subsequent processing operation of the guide plate are further carried out. Then, when the pressure application is stopped, the friction surface 1c1 no longer clamps the ball head 1b1, and the guide plate supporting unit is restored to the original state and does not play a supporting and shaping role on the guide plate, so that the guide plate supporting unit can be taken out of the guide plate.
Claims (1)
1. The utility model provides a baffle fixed stay frame which characterized in that: the guide plate fixing support frame comprises a group of connected support units, each support unit comprises a clamping adjusting mechanism (1), a hydraulic support mechanism (2), hydraulic connecting pipes (3) and a connecting plate (4), the clamping adjusting mechanisms (1) are cylindrical, the group of hydraulic support mechanisms (2) and the group of hydraulic connecting pipes (3) are alternately and uniformly distributed in the circumferential direction of the outer side wall of each clamping adjusting mechanism (1), and the connecting plates (4) are screwed at one ends of the clamping adjusting mechanisms (1); wherein the content of the first and second substances,
the clamping adjusting mechanism (1) comprises a clamping support sleeve (1 a), a clamping bulb (1 b), a bulb clamping block (1 c) and a spring (1 d),
the clamping support sleeve (1 a) is hollow and cylindrical, a group of structures for mounting the ball head clamping blocks (1 c) are arranged on the side wall of the clamping support sleeve (1 a), the ball head clamping blocks (1 c) are respectively inserted into the structures for mounting the ball head clamping blocks (1 c), a plurality of ball head clamping blocks (1 c) are spliced into a containing cavity capable of containing the clamping ball head (1 b), the formed containing cavity is provided with a swinging opening for the clamping ball head (1 b) to swing in a rotating manner, and the clamping ball head (1 b) is arranged in the containing cavity which is spliced by the plurality of ball head clamping blocks (1 c) and capable of containing the clamping ball head (1 b);
the hydraulic support mechanism (2) comprises a friction type expansion bag (2 a), a diversion support pipe (2 b), a liquid inlet pipe (2 c) and a connecting fixed seat (2 d); the bottom of the connecting fixed seat (2 d) is fixed on the outer surface of the clamping support sleeve (1 a), and is a connecting part between the hydraulic support mechanism (2) and the clamping adjusting mechanism (1), the top of the connecting fixed seat (2 d) is fixedly connected with a flow guide support pipe (2 b), the top of the flow guide support pipe (2 b) is communicated with the friction type expansion bag (2 a), and the side wall of the flow guide support pipe (2 b) is communicated with a liquid inlet pipe (2 c);
the flow guide supporting tube (2 b) is of a hollow pipeline structure and can be used for liquid to flow through, a liquid inlet tube (2 c) is arranged in the middle of the flow guide supporting tube (2 b), the top end of the flow guide supporting tube (2 b) is connected with a friction type expansion bag (2 a), and the flow guide supporting tube (2 b) plays a role in fixing and supporting the friction type expansion bag (2 a);
the friction type expansion bag (2 a) is made of rubber materials with good elasticity, the outer surface of the friction type expansion bag has good friction performance, the interior of the friction type expansion bag is of a cavity structure and can be communicated with a hollow pipeline of the flow guide supporting pipe (2 b), and hydraulic oil can flow into the inner cavity of the friction type expansion bag (2 a) through the hollow pipeline of the flow guide supporting pipe (2 b);
the hydraulic connecting pipe (3) comprises a quick-mounting elbow (3 a) and a hydraulic switching valve (3 b), two ends of the quick-mounting elbow (3 a) are quick-mounting joints, one end of the quick-mounting elbow (3 a) is connected with the hydraulic switching valve (3 b), and the other end of the quick-mounting elbow (3 a) is connected with a hose for conveying hydraulic oil;
the connecting plate (4) is a circular plate, a connecting external thread (4 b) is arranged on the outer side wall of the connecting plate (4), a connecting internal thread (4 a) is arranged at one end of the connecting plate (4), and the connecting external thread (4 b) is matched and installed with a connecting thread (1 a 4) of the clamping support sleeve (1 a);
the clamping adjusting mechanism (1) further comprises a connecting thread (1 a 4), and a structure for mounting the ball clamp block (1 c) comprises a ball clamp block mounting groove (1 a 1), a guide hole (1 a 2) and a hydraulic hole (1 a 3), wherein the ball clamp block mounting groove (1 a 1) is arranged on the inner surface of the clamping adjusting mechanism (1), and the ball clamp block mounting groove (1 a 1) is communicated with the guide hole (1 a 2) and the hydraulic hole (1 a 3) in sequence towards the outer surface of the clamping adjusting mechanism (1);
the clamping ball head (1 b) comprises a ball head (1 b 1) and a connecting threaded rod (1 b 2), one end of the connecting threaded rod (1 b 2) is provided with a threaded structure, and the other end of the connecting threaded rod is fixed with the ball head (1 b 1);
the inner surface of the ball head clamping block (1 c) is a friction surface (1 c 1) made of friction materials, the outer surface of the ball head clamping block (1 c) is provided with a hydraulic guide column (1 c 2), the hydraulic guide column (1 c 2) is inserted into the guide hole (1 a 2), the hydraulic guide column (1 c 2) is further sleeved with a spring (1 d), one end of the spring (1 d) is propped against the outer side surface (1 c 3), and the other end of the spring (1 d) is propped against a ball head clamping block mounting groove (1 a 1) positioned on the inner wall of the clamping support sleeve (1 a);
the friction surface (1 c 1) is matched with the ball head (1 b 1) and is tightly contacted under the action of the elastic force of the spring (1 d), the ball head (1 b 1) can be clamped by the friction force of the friction surface (1 c 1), the inner side of the bottom of the clamping support sleeve (1 a) is provided with a connecting thread (1 a 4), and the connecting thread (1 a 4) is an internal thread;
the hydraulic connecting pipe (3) further comprises a hydraulic hole mounting seat (3 b 1), the top end of the hydraulic switching valve (3 b) is connected with a quick connector at one end of the quick connector elbow (3 a), the bottom end of the hydraulic switching valve (3 b) is provided with a hydraulic hole mounting seat (3 b 1), the hydraulic switching valve (3 b) is mounted in the hydraulic hole (1 a 3), and the hydraulic hole mounting seat (3 b 1) is in interference fit with the hydraulic hole (1 a 3);
when a plurality of guide plate supporting units are combined and connected for use, the connecting threaded rod (1 b 2) of each clamping ball head (1 b) is connected with the connecting internal thread (4 a) of the connecting plate (4) of the adjacent clamping ball head (1 b) to form a series combination of the plurality of guide plate supporting units.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910493886.0A CN110279491B (en) | 2019-06-07 | 2019-06-07 | Guide plate fixing support frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910493886.0A CN110279491B (en) | 2019-06-07 | 2019-06-07 | Guide plate fixing support frame |
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| CN110279491A CN110279491A (en) | 2019-09-27 |
| CN110279491B true CN110279491B (en) | 2022-04-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910493886.0A Active CN110279491B (en) | 2019-06-07 | 2019-06-07 | Guide plate fixing support frame |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3402564A1 (en) * | 1984-01-26 | 1985-08-01 | Hellmut Ing.(grad.) 7000 Stuttgart Boullie | Clamping mandrel for clamping workpieces and tools, especially for pipes and pipe bends |
| CN106618795A (en) * | 2016-08-22 | 2017-05-10 | 北京即刻叁全视觉科技有限公司 | Method for implementing aortic stent in-vitro fenestration by virtue of 3D printing model |
| CN107835703A (en) * | 2015-03-27 | 2018-03-23 | 项目莫里股份有限公司 | Conduit and the fluid inflatable body of other flexible structures are hinged |
| CN107837130A (en) * | 2017-11-28 | 2018-03-27 | 严中亚 | It is a kind of it is quick prepare for treat aortic arch interlayer art in individuation overlay film frame method |
| CN109604659A (en) * | 2018-12-27 | 2019-04-12 | 上海工程技术大学 | A kind of inner bearing type fixture and its application for vehicle thin-walled parts outer circle |
-
2019
- 2019-06-07 CN CN201910493886.0A patent/CN110279491B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3402564A1 (en) * | 1984-01-26 | 1985-08-01 | Hellmut Ing.(grad.) 7000 Stuttgart Boullie | Clamping mandrel for clamping workpieces and tools, especially for pipes and pipe bends |
| CN107835703A (en) * | 2015-03-27 | 2018-03-23 | 项目莫里股份有限公司 | Conduit and the fluid inflatable body of other flexible structures are hinged |
| CN106618795A (en) * | 2016-08-22 | 2017-05-10 | 北京即刻叁全视觉科技有限公司 | Method for implementing aortic stent in-vitro fenestration by virtue of 3D printing model |
| CN107837130A (en) * | 2017-11-28 | 2018-03-27 | 严中亚 | It is a kind of it is quick prepare for treat aortic arch interlayer art in individuation overlay film frame method |
| CN109604659A (en) * | 2018-12-27 | 2019-04-12 | 上海工程技术大学 | A kind of inner bearing type fixture and its application for vehicle thin-walled parts outer circle |
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| Publication number | Publication date |
|---|---|
| CN110279491A (en) | 2019-09-27 |
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