144results about How to "Prevent retraction" patented technology

The invention discloses a pressure-controlled drainage gas production method and system for a coal-bed gas well. The pressure-controlled drainage gas production method comprises the steps that drainage is conducted through the first daily drainage amount, wherein the first daily drainage amount meets the eliminating demand for production interference objects in a coal bed; and a pressure-supplementing medium is injected while drainage is conducted, and the downhole flow pressure daily drop amount is maintained as a first differential pressure value so as to avoid retracting and closing of pores and cracks in the coal bed. According to the pressure-controlled drainage gas production method for the coal-bed gas well, the drainage speed at the drainage state can be conveniently determined, the eliminating demands for drilling and completion fluids, pulverized coal and slack coal in the coal bed can be met, and meanwhile, retracting and closing of the pores and the cracks in the coal bed can also be avoided; and compared with the prior art, the pressure-controlled drainage gas production method is simple in process, the production efficiency of the coal-bed gas well can be greatly improved, and quite high practical value and popularization value are achieved.

This invention discloses a soil sample pre-crushing treatment device for soil pollution detection, relating to the field of soil sample crushing technology. It includes: a mounting frame; a crushing chamber rotatably mounted on the mounting frame; a stirring and crushing device rotatably mounted inside the crushing chamber; a grinding frame rotatably mounted inside the crushing chamber and grinding the soil sample during rotation; and multiple locking components arranged in a circular array on the inner surface of the grinding frame. This invention uses the stirring and crushing device to crush the soil sample through rotation. Simultaneously, after crushing, it drives the grinding frame, a filter device, and the filter to rotate, adjusting the sample drop direction in the crushing chamber and adjusting the filtration fineness. This allows the filter to filter out easily ground soil clumps during crushing and to filter out finely ground soil samples that meet the requirements during grinding.

The invention discloses a full-automatic pipe coiling machine. The full-automatic pipe coiling machine comprises a frame, a coiling device, a pipe clamping device and a brake mechanism, the tops of the two sides of the frame are each provided with a support. The reel device comprises a winding drum and a supporting shaft, and a hose is wound on the winding drum; the winding drum is rotationally connected with the two supports through a supporting shaft, and a coil spring is further arranged between the winding drum and the supporting shaft. The pipe clamping device is located on one side of the winding drum and used for controlling the winding drum to rotate or be fixed. The brake mechanism is located on the other side of the winding drum and used for controlling the rotating speed of the winding drum. The device is simple in structure, convenient and rapid to operate, capable of achieving rapid inflation operation in a limited deck space, capable of automatically recycling the inflation hose after inflation operation is completed, small in size and small in occupied space, and interference of disordered decks on other operations is avoided.

The visual Eustachian tube examination and treatment device with the suction function comprises an Eustachian tube endoscope, a sheath tube indexing and transposition locking assembly and a balloon assembly, wherein the balloon assembly is arranged between the sheath tube indexing and transposition locking assembly and the Eustachian tube endoscope. The sealing joint assembly of the balloon assembly is installed in the sheath tube indexing transposition locking assembly, the assembly is located outside the human body in the treatment process, the size of the sealing joint assembly can be properly enlarged according to the technological conditions, and the manufacturing difficulty of the balloon assembly is reduced; by changing the length of the sealing joint, the combination of the balloons with different lengths and the same endoscope is realized, and the endoscope is used for treating different patients; according to different relative positions of the treatment ear and the doctor caused by the lying position of the patient, the angle of the sheathing canal and the endoscope is adjusted; the balloon hollow tube is located in the sheath tube and forms a suction channel with the sheath tube, the end of the sheath tube is a suction inlet, and a suction tube externally connected with a negative pressure suction device is arranged on a sealing connector assembly in the balloon assembly, so that the nasal cavity aspirator has the suction function of cleaning hydrops in the nasal cavity.

The liquid cooling super charging pile comprises a shell, a control panel is arranged on the front face of the shell, charging guns are connected to the upper portions of the left side and the right side of the shell in an inserted mode, take-up shells are fixedly connected to the two sides of the shell, and motors are symmetrically installed on the left side and the right side of the interior of the shell; a rotating rod is connected to the interior of the take-up shell. According to the liquid cooling super charging pile for rapid charging of the low-altitude aircraft, by means of the arranged ratchet wheel assembly, when a user pulls out a section of a cable on a charging gun, limiting and fixing can be automatically conducted, the cable is prevented from being automatically recycled, then a rotating rod is driven by a motor to rotate reversely, and a winding drum rotates reversely to automatically wind the pulled-out cable; therefore, a user does not need to arrange the cable manually, the charging convenience is improved, the cleaning brush moves up and down in a reciprocating mode to clean the heat dissipation grids, and therefore the situation that the heat dissipation grids are blocked by dust, and heat dissipation of the charging pile is affected is avoided.

The utility model discloses a double-cavity stoma supporting device with an intracavity flushing and flow turning function. The double-cavity stoma supporting device comprises a fixed base plate, a drainage and collection assembly and a flushing and suction assembly, the appearance of the fixed base plate is of an annular structure, an adhesive layer is arranged on the back face of the fixed base plate, a rotating ring and a supporting rod are arranged on the inner ring of the fixed base plate, and two clamping openings are formed in the rotating ring. In conclusion, the supporting rod and the supporting pad are used for supporting the intestinal canal of the double-cavity stoma and preventing the intestinal canal from retracting, the additionally-arranged drainage bag is used for collecting intestinal contents, and the flushing drainage assembly is further arranged and used for flushing the contents of the double-cavity stoma, so that obstruction is relieved, and the intestinal obstruction symptom of a patient is relieved.

The utility model belongs to the technical field of auxiliary devices of papermaking equipment, and relates to a special device for repairing a drying cylinder shaft head, which comprises a rotating motor, a stabilizing device, a rotating component and a turning device, the rotating motor is connected with one end of the rotating component through a coupler and the stabilizing device, and the other end of the rotating component is connected with a fixing disc through a bearing. A turning device is arranged on the surface of the rotating assembly, a positioning cover is clamped to the fixing disc, a roller is arranged at the end, away from the rotating motor, of the turning device, the drying cylinder shaft head is detachably installed on the fixing disc, and the roller abuts against the drying cylinder shaft head. The whole drying cylinder does not need to be disassembled, the rotating motor drives the rotating assembly and the turning device to repair the shaft head of the drying cylinder, the labor intensity of operators is effectively reduced, the downtime during disassembly of the drying cylinder is shortened, the production benefit is improved, and the stability of the device and the turning efficiency are guaranteed through the fact that the stabilizing device is matched with the abutting rollers.

The invention discloses a cementing material capable of improving toughness, which comprises the following components in percentage by mass: 9.2-16.2 wt% of a high-activity auxiliary cementing material A, 49.4-53.5 wt% of a high-performance cementing material B and 30.3-41.4 wt% of a high-toughness auxiliary cementing material C. The high-activity auxiliary cementing material A is one or more of silica fume, slag or high-calcium fly ash; the high-performance cementing material B is high-iron-phase high-belite cement clinker, and the high-toughness auxiliary cementing material C is modified rubber powder. From the perspective of the cement clinker, the high-performance cementing material with high strength and large bending-compression ratio is prepared by adjusting the mineral composition of the cement clinker, optimizing the grain composition of the cement, adding the high-toughness auxiliary cementing material and the like, so that the problem of high brittleness of the cement-based material is fundamentally relieved.

The utility model relates to the technical field of pile shoe foundations, in particular to an offshore wind power self-elevating converter station platform grouting pile shoe foundation device which comprises a middle stand column and a pile shoe, the middle stand column is arranged on the pile shoe, and a plurality of vertical grouting pipelines penetrating through the upper end and the lower end of the middle stand column are arranged in the middle stand column. A plurality of pile shoe grouting pipelines penetrating through the upper surface and the side face of the pile shoe are arranged in the pile shoe. In practical application, after grouting is injected into a preset position, the horizontal anchoring reinforcing rod piece begins to move towards the periphery, and the stability in the grouting process can be monitored by monitoring the slurry flow; after grouting is completed, the bearing area can be enlarged, and the foundation is prevented from rotating under long-term storm load; and the grouting suction pipe is slowly lifted during grouting, so that cavities caused by non-uniform grouting can be effectively prevented, and the problems that the horizontal anchoring reinforcing rod piece is not ejected in place and the inclined anchoring reinforcing rod piece retracts can also be prevented.

The invention discloses a compression-resistant and shock-resistant dry-type transformer. The dry-type transformer comprises a transformer bank, upper cross beams are transversely installed at the front end and the rear end of the top face of the transformer bank, lower cross beams are transversely installed at the front end and the rear end of the bottom face of the transformer bank, and buffering assemblies are arranged at the lower ends of the lower cross beams; through the cooperation of the adjusting nut and the guide rod, the vertical buffer height of the dry-type transformer can be conveniently adjusted, the situation that the buffer distance is too long, and consequently components in the dry-type transformer are damaged is avoided, and the service life of the dry-type transformer is prolonged; through cooperation of a second spring and a connecting rod, the dry-type transformer can be buffered front and back conveniently, damage to internal components of the dry-type transformer is avoided, and the using effect of the dry-type transformer is improved; and through the cooperation of the bidirectional screw rod and the moving seat, the triangular angle formed by the telescopic sleeve, the telescopic shaft and the supporting plate can be conveniently adjusted, so that adjustment is performed according to the required compressive strength, and the compressive effect of the dry-type transformer is further improved.

The utility model relates to the field of wrenches, and discloses a multifunctional automobile repair wrench which comprises a rod body, a groove is formed in the middle end of the rod body, the right end of the rod body is connected with a movable rod in a sliding mode, the movable rod is connected with the rod body through an adjusting assembly, and the right end of the movable rod is fixedly connected with a socket wrench head. The right end of the socket wrench head is fixedly connected with a skid, the left end of the rod body is fixedly connected with an adjusting wrench head, the left end of the adjusting wrench head is provided with a screwdriver head, and the top end of the rod body and the left end of the adjusting wrench head are each provided with a containing groove. According to the bolt screwing device, the movable rod is pulled out of the rod body, the length of the force arm can be adjusted, a worker can screw a bolt more easily, the bolt screwing efficiency and operation convenience are effectively improved, the bolt screwing difficulty of the worker is reduced, the movable rod can be fixed by ejecting the limiting block into the groove through the spring, and the bolt screwing device is convenient to use. Therefore, the position stability of the movable rod is ensured.

The utility model belongs to the field of tablet personal computers, particularly relates to a rear shell of a tablet personal computer, and aims to solve the problems that the conventional rear shell is generally a polished metal plate and is relatively smooth, and when the tablet personal computer is used, the tablet personal computer needs to be held by an external device or manually, and is relatively inconvenient, the following scheme is provided: the rear shell of the tablet personal computer comprises a shell body, the corner angles of the four sides of the shell are arranged to be arc-shaped, a lens hole is formed in the shell, a supporting mechanism facilitating supporting of the tablet computer is arranged on the rear side of the shell, the tablet computer can be stably supported on a placement plane, and a buffering damper limits the rotating speed of a rotating rod. According to the supporting frame, the situation that the supporting frame is rapidly unfolded or folded due to inertia and self-gravity is avoided, the stability in the supporting process is guaranteed, the stability of the tablet personal computer during holding or placing is remarkably improved due to the arrangement of the anti-skid coating, and the risk that the tablet personal computer falls off or is damaged due to sliding is reduced.

The utility model discloses an anti-drop LED display screen for a cabinet, the front surface of a shell of the anti-drop LED display screen extends towards the periphery to form a limiting step, the side surface of the shell is provided with a notch and an elastic lug, and a mounting groove is formed between the elastic lug and the limiting step. The key point is that a fixing mechanism for preventing the elastic lug from retracting inwards is arranged and comprises a telescopic shaft and a retraction spring, a limiting block is arranged on the telescopic shaft and is in rotary telescopic fit with the telescopic hole of the elastic lug, the limiting block can rotate out of or rotate in a limiting groove through rotation, and the retraction spring is connected with the bottom wall of the telescopic hole and the telescopic shaft. According to the design, the problem that the display screen falls off due to the fact that the elastic convex lugs are prone to retraction in traditional installation is effectively solved, the installation stability is greatly enhanced, fixation can be easily relieved by rotating the telescopic shaft during maintenance, firm installation and convenient disassembly are both considered, the equipment maintenance efficiency is greatly improved, and the cost is reduced.

The present invention belongs to the technical field of switch cabinet assembly, and specifically discloses a switch cabinet assembly auxiliary pre-positioning device, including a moving seat, a clamping mechanism and a supporting mechanism installed on the moving seat, the supporting mechanism including an inclined platform fixed on the moving seat, a slide slot provided on the moving seat, a support rod slidably connected in the slide slot, and a support plate hinged at the upper end of the support rod, the upper end of the inclined platform is inclined toward the direction of the support rod, and a space for placing the side plate is formed between the lower end of the inclined platform and the edge of the moving seat; a plurality of first mounting grooves and a plurality of second mounting grooves are provided on the supporting plate, a first sliding rod is slidably connected in the first mounting groove, a first electromagnetic suction cup is fixed to the first sliding rod, a second sliding rod is slidably connected in the second mounting groove, a roller is rotatably connected to the second sliding rod, and a limiting mechanism for limiting the first sliding rod and the second sliding rod is installed on the supporting plate. The solution of the present invention can solve the problem that the fingers of the staff are easily squeezed between the side plate and the cabinet body.

The application provides a workpiece clamp for a numerical control machine tool and the numerical control machine tool, and belongs to the technical field of machining. The clamp comprises a horizontal moving mechanism, a rotating mechanism, an inclinable work platform and a clamping mechanism; wherein the rotating mechanism is arranged on the top of the horizontal moving mechanism; the bottom of the rotating mechanism is fixedly connected with the top of the horizontal moving mechanism; the inclinable work platform is arranged on the top of the rotating mechanism; the bottom of the inclinable work platform is fixedly connected with the top of the rotating mechanism; the clamping mechanism is arranged on the top of the inclinable work platform; and the clamping mechanism is used for clamping workpieces. Through the cooperation of the horizontal moving mechanism, the rotating mechanism and the inclinable work platform, the clamp can realize the horizontal translation, vertical translation, horizontal angle rotation adjustment and inclination posture transformation of the workpiece relative to the horizontal plane after one-time clamping, so that the machining efficiency and the utilization rate of the numerical control machine tool are improved.

The present invention discloses a label printer with a label box sticker positioning and unlocking function, which is used in conjunction with a label box that uses a paper pressing spring arm to position the sticker; it includes a machine body that can be built-in with a label box, and a print head is arranged at the machine body inside the sticker channel of the label box; a rubber roller bracket with a rubber roller is movably installed at the side of the machine body, corresponding to the position of the print head; an unlocking pressing block is movably installed at a position corresponding to the driving spring arm of the label box; the label printer also includes a machine back cover installed on the machine body; a first and a second triggering member are also arranged on the machine body or the machine back cover; the first triggering member is used to trigger the rubber roller bracket to drive the rubber roller to press the sticker inward to the print head; the second triggering member is used to trigger the unlocking pressing block to press the driving spring arm inward, thereby driving the end of the paper pressing arm to tilt up and detach from the sticker. The present invention can effectively position and unlock the sticker, and can also reduce printing power, and is suitable for popularization and application.

The utility model provides an adjustable light-emitting diode (LED) lamp. The adjustable LED lamp includes: a housing; a storage cavity, wherein the storage cavity is formed in the shell; the movable opening is formed in the shell, and the movable opening and the containing cavity are arranged correspondingly; the fixed seat is mounted in the storage cavity in a sliding manner; the folding frame is hinged to the fixed seat; the lighting plate is hinged to the folding frame; the sliding rail is arranged in the storage cavity, and the sliding rail and the fixing base are arranged correspondingly; the folding groove is formed in the shell; the supporting plate is hinged to the folding groove; and the mirror is fixedly installed on the supporting plate, and the mirror and the lighting plate are correspondingly arranged. The adjustable LED lamp has the advantages that the illumination range can be adjusted, and the applicability is high.

The invention discloses a silica gel drainage tube leakage-proof detection mechanism, and relates to the technical field of medical equipment, and the silica gel drainage tube leakage-proof detection mechanism comprises a supporting mechanism which comprises a supporting plate; the connecting mechanism comprises a to-be-detected pipe, a connecting pipe and an abutting ring which are mounted on the surface of the supporting plate; the plugging mechanism comprises a metal pipe installed on the bottom face of the abutting ring. The upper positioning mechanism comprises two fixing cylinders symmetrically installed on the surface of the supporting plate, a positioning plate is fixed to each fixing cylinder, the end of each positioning plate abuts against the connecting pipe, and the top face of each positioning plate abuts against the abutting ring at the top end of the pipe to be detected; and the lower positioning mechanism comprises a shell fixed to the surface of the supporting plate, a fourth spring is installed at the top of the shell, a magnetic attraction ring is installed at the top end of the fourth spring, and the magnetic attraction ring is magnetically connected with the bottom end of the metal pipe. According to the invention, the convenience and the detection efficiency of leakage-proof detection of the silica gel drainage tube are improved.

This utility model relates to the technical field of wire winding equipment, specifically disclosing a wire winding rocker arm device. The rocker arm mechanism includes a hollow rocker arm feeding rod and a first driving structure; a swinging mechanism includes a pushing structure for abutting the bottom of the rocker arm feeding rod and a second driving structure; a wire clamping mechanism includes a clamping block structure disposed on one side of the inlet end of the rocker arm feeding rod and a third driving structure; and a side-pushing mechanism for pushing the rocker arm feeding rod in a left-right direction, the side-pushing mechanism including a side-pushing structure disposed on one side of the outlet end of the rocker arm feeding rod and a fourth driving structure for moving the side-pushing structure in a left-right direction. This utility model effectively prevents wire end retraction, ensures secure wire clamping without loosening, has a simple structure, and provides an efficient and rapid wire changing process.

The invention discloses a rearview mirror withdrawing detection and early warning system and method for a garage entering vehicle of an intelligent stereo garage, and the method comprises the steps: completing the positioning operation of a pre-garage entering vehicle at an entrance of the intelligent stereo garage; a camera at the top of a garage entrance shoots a top view of a vehicle to be put into a garage, the top view is input into the FPN improved Faster RCNN model, and the position of a rearview mirror is detected; an improved fast two-dimensional OTSU threshold segmentation algorithm is combined with a pixel image processing technology to judge whether the rearview mirror is retracted or not, and if the judgment result is that the rearview mirror is in a retracted state, processing is not carried out; if the judgment result is that the rearview mirror is not retracted, whether the vehicle is in the suitable parking range or not is judged again, if the vehicle exceeds the suitable parking range, an alarm is given to remind a vehicle owner to retract the rearview mirror, and if not, processing is not conducted. The intelligent degree of the stereo garage is improved, and meanwhile the possibility that vehicles are damaged is reduced.

The application discloses a railway locomotive cable outer sheath extrusion assembly and belongs to the technical field of cable manufacturing. The railway locomotive cable outer sheath extrusion assembly comprises a first extruder, a cooling mechanism and a second extruder through which a cable passes in sequence, the first extruder is used for extruding a first sheath layer to the cable, the second extruder is used for extruding a second sheath layer to the outside of the first sheath layer, the cooling mechanism comprises a water collecting tank, a spraying chamber, a blowing chamber and a drying chamber arranged at the tank opening of the water collecting tank, the spraying chamber is used for spraying cooling water to the first sheath layer, the blowing chamber is used for blowing off water drops on the surface of the first sheath layer, the spraying chamber and the blowing chamber are arranged alternately, and the drying chamber is provided with a third cylindrical passage, second blowing heads are spirally arranged in the inner circumferences of the third cylindrical passage, and the second blowing heads are used for drying the first sheath layer. The application further provides a railway locomotive cable outer sheath extrusion method. The PE sheath layer and the low-smoke halogen-free flame-retardant oil-resistant layer are extruded in one time by using the extrusion assembly in a continuous co-extrusion mode, so that the cable has good roundness.

The application discloses a smelting furnace crucible anti-oxidation protection device and belongs to the technical field of smelting furnace crucible protection. The smelting furnace crucible anti-oxidation protection device is characterized by the following steps: inserting the flange crucible into the mounting through hole; after smelting is completed, retracting the telescopic end of the electric push rod, driving the push frame to slide reversely along the limiting slide rod, pushing the protection sealing cover plate to slide to the outside of the furnace body along the T-shaped guide slide bar through the pushing block, moving the push plate one away from the push plate two, gradually resetting the overlapping position of the push sliding groove one and the push sliding groove two, driving the push sliding frame to move reversely, synchronously separating the moving pressing strip from the flange of the crucible, reversely sliding the pushing block along the lifting sliding groove, pushing the linkage lifting strip to extend upward from the rectangular through slot, stably lifting the flange crucible, and directly taking out the lifted flange crucible from the mounting through hole after the protection sealing cover plate is completely opened, thereby completing dismounting.

According to the technical scheme, the vertical surveying and mapping device is characterized in that the vertical surveying and mapping device comprises a supporting disc, the top of the supporting disc is movably connected with a surveying and mapping instrument body, a shading assembly is arranged on one side of the surveying and mapping instrument body, and the shading assembly comprises a fixing rod; the fixing rod is fixedly connected to one side of the surveying instrument body, a bearing is fixedly connected to the outer circle wall face of the fixing rod, a cylindrical gear is fixedly connected to the outer circle wall face of an outer ring of the bearing, a rotating block is fixedly connected to the side, away from the bearing, of the cylindrical gear, and sliding grooves are formed in the two sides of the surveying instrument body correspondingly. Through mutual cooperation of a rotating block, a cylindrical gear, a rack, a fixed block, a shading plate and a sliding block, the shading plate is moved by rotating the rotating block, so that the shading plate shields sunlight, and the situation that data measured by the surveying instrument body is not accurate due to the fact that the surveying instrument body faces the sun for a long time is avoided.

The invention discloses an anti-gastroesophageal reflux nursing device for the digestive system department, and particularly relates to the field of nursing devices. Comprising a support plate; the neck pillow is arranged on one side of the supporting plate; the two rotating plates are rotationally connected to the supporting plates on the two sides of the neck pillow; the headrest is connected between the two rotating plates, and one side of the headrest is matched with the outer surface of the neck pillow; the supporting rod is connected between the two rotating plates, and the supporting rod is arranged on the side away from the neck pillow; the telescopic rod is arranged between the supporting plate and the driving rod, and the telescopic rod is of an arc-shaped structure and is located on the motion trail of the driving rod; and the driving assembly is used for quickly adjusting the extension of the telescopic rod. By the adoption of the technical scheme, the problem that an existing bed head lifting measure is inconvenient for a patient to autonomously adjust is solved, the patient can autonomously adjust the angle of the headrest, and convenience is improved.

The utility model discloses a solar street lamp stand column fixing base, which relates to the technical field of solar street lamps and comprises a concrete base, a street lamp base is mounted at the top of the concrete base, a lamp post is mounted in the center of the top of the street lamp base, and bolts are in threaded connection with the concrete base and the street lamp base. According to the utility model, the bolt is fixed by utilizing the tension formed by the radial ratchets on the opposite sides of the two gaskets instead of fixing the bolt only by increasing the friction force in the conventional common gasket, and the inclination angles of the radial ratchets are all greater than the thread pitch of the thread at the thread end of the bolt, so that the bolt can be prevented from being loosened. Meanwhile, the friction force between the two gaskets and the street lamp base and the friction force between the two gaskets and the head of the bolt are increased through the radial sawteeth, the anti-loosening effect is further improved, and the stability of the street lamp base on a concrete base is improved so that it can be guaranteed that a lamp pole cannot fall easily.

The invention discloses a short stretching bandage winding device for lymphedema binding, and relates to the technical field of nursing equipment. The lymphedema binding short stretching bandage winding device comprises a shell, the shell comprises a main shell, the bottom of the interior of the main shell is fixedly connected with a sliding frame rail, the interior of the main shell is rotatably connected with a fixed rotating shaft, the interior of the sliding frame rail is slidably connected with a clamping sliding frame, and the clamping sliding frame comprises a main frame; the front face of the main frame is fixedly connected with an anti-loosening pressing frame, the right side of the clamping sliding frame is fixedly connected with an anti-shrinkage pressing clamp, and the back face of the main shell is fixedly connected with a driver. According to the short stretching bandage winding device for lymphedema binding, by arranging the fixed rotating shaft, the fixed sliding frame, the anti-loosening pressing frame and the anti-shrinkage pressing clamp, the motion state of an elastic bandage in the device is detected, the situation that the whole elastic bandage retracts and rotates accidentally in the using process is prevented, and the binding effect of the bandage is improved.

The invention relates to the technical field of medical tools, in particular to a child single-cavity intestine fistulization assembly and a using method thereof.The child single-cavity intestine fistulization assembly comprises a base and a channel tube, the base comprises a base fixedly connected with the abdominal wall and the channel tube, and a channel in the channel tube penetrates through the base; a puncture outfit; and the annular air bag can be tightly supported in the channel pipe when the annular air bag is filled with air. During use, the base is fixed on the abdominal wall, so that the intestinal tube can be prevented from retracting and falling off, meanwhile, the intestinal tube is fixed in the channel tube of the base through the annular air bag, the intestinal tube is prevented from retracting, the stress area of the intestinal tube is increased, damage to the intestinal tube is reduced, and the middle of the annular air bag can still serve as a discharging channel of intestinal contents. The whole process does not need suture, so that the technical difficulty of surgical operation is greatly reduced, the damage risk of the intestinal canal is reduced, and the surgical efficiency is improved.

An anorectal surgical operation expansion frame comprises an inner telescopic tube, a pull rod, a circular side plate, an outer expansion tube, a conical baffle, a U-shaped positioning sleeve, an inclined handle rod, an arc-shaped fixing plate, a limiting clamping block, a control rod and a guide sliding rod, the inner telescopic tube is matched with the outer expansion tube, the inner telescopic tube is inserted into the outer expansion tube, the inner telescopic tube slides in the outer expansion tube, and the conical baffle is arranged on the outer expansion tube. A V-shaped limiting groove is formed in the lower portion of the inner telescopic pipe, a V-shaped limiting strip is arranged in the outer expansion pipe, the V-shaped limiting strip is matched with the V-shaped limiting groove, the V-shaped limiting strip is inserted into the V-shaped limiting groove, the V-shaped limiting strip slides in the V-shaped limiting groove, the pull rods are connected with the inner telescopic pipe and symmetrically arranged on the side face of the inner telescopic pipe, and the U-shaped positioning sleeve is connected with the outer expansion pipe. The U-shaped positioning sleeve is provided with a U-shaped positioning sleeve inner groove, the pull rod is matched with the U-shaped positioning sleeve inner groove, the pull rod is inserted into the U-shaped positioning sleeve inner groove, the pull rod slides in the U-shaped positioning sleeve inner groove, the pull rod is connected with the circular side plate, and a handle is arranged on the side face of the circular side plate.