337results about How to "Easy to support and fix" patented technology

Disclosed is a travel pillow for providing the head and neck alignment of a human user resting against a seat back. The travel pillow has an interior shell of a semi-stiff unitary construction. There is a head support region defining a head supporting space for supporting the user's head, a neck support region defining a neck supporting space for supporting the user's neck posteriorly, an enlarged portion bridging together the head support region and the neck support region, the enlarged portion varying in radius from the head support region to the neck support region all elements functioning together as a single unit to maintain the columnar alignment of the user's head directly above the user's neck, and lobes extending upwardly on either side of the head support region to support the head at the intersection of the occipital bone, parietal bone and temporal bones on either side of the head to prevent lateral bending of the neck. The pillow is placed between the user and the seat back, wherein the pillow is held in place during use by the user's weight resting against the seat back. The head support region may be sized and shaped to match the approximate shape of the back of the user's head. The head support region may be transversely curved about the user's vertebral axis and is cut away at the user's occiput such that the user's head rests directly against the seat headrest.

[Object of the Invention] An object of the present invention is to provide a control valve that accommodates a pressure sensitive unit in a solenoid unit and is of simple structure.[Disclosure of the Invention] A control valve for opening and closing a fluid passage comprises a pressure sensitive unit provided with a bellows for receiving outside fluid pressure to expand and retract, a valve body for opening and closing a fluid passage in response to the expansion and retraction of the bellows, and a solenoid unit for applying electromagnetic force to the valve body, wherein the pressure sensitive unit is disposed in the solenoid unit, the pressure sensitive unit comprises a movable end member made of ferromagnetic material at one end of the bellows and a fixed end member made of ferromagnetic material at the other end of the bellows, the movable end member and the fixed end member oppose each other with a predetermined distance disposed between them, and the movable end member and the fixed end member form a part of the magnetic circuit of the solenoid unit.

The invention discloses a stainless steel tube drilling machining device which comprises a base and a guide rail arranged on the base. The base is a rectangular slab. The guide rail is arranged at thefront end of the slab body. A sliding base is arranged above the guide rail. The sliding base is a rectangular platform and is slidably arranged on the guide rail through a guide rail groove formed in the lower surface. The sliding base is driven by a telescopic electric cylinder arranged at one end of the base, a supporting rod is fixedly welded to the upper surface of the sliding base, an innersupporting structure is arranged at the front end of the supporting rod, and a lower-position clamping base is arranged at the back side of the guide rail. Due to cooperative use of the inner supporting structure and an outer fixing structure, a steel tube to be drilled is internally supported through the interior of the steel tube. Compared with a traditional supporting structure for tube fixing, the phenomenon that due to excessively large exterior pressure, the tube to be fixed is extruded and deforms can be effectively avoided, and the phenomenon that due to excessively small clamping force, the tube offsets in the drilling process, and the drilling precision is affected can be effectively avoided.

The invention relates to a bearing fixing device for the ophthalmology department, in particular to an adjustable bearing fixing device for the ophthalmology department. The technical purpose is to provide the adjustable bearing fixing device capable of being adjusted conveniently and meeting the using requirements of different patients for the ophthalmology department. The adjustable bearing fixing device for the ophthalmology department comprises a base, a supporting tube, a lifting rod, a first spine plate, a first plate spring, a second spine plate, a second plate spring, a big connectingshaft and the like; the supporting tube is connected with the middle of the top of the base, and a first movable groove is formed in the upper portion of the left side of the supporting tube. According to the adjustable bearing fixing device for the ophthalmology department, not only can the height and width of the device be conveniently adjusted, but also the using requirements of different patients are met, the inclining angle can be adjusted, therefore the device can be used for special patients, the application range is wide, and the bearing and fixing effects on different patients are good.

The invention relates to the technical field of medical instruments, in particular to an electromagnetic cardiac pulse assisting device. The electromagnetic cardiac pulse assisting device comprises an inner membrane, an outer membrane supporting body, two permanent magnets, electromagnets, a power source and a controller. The inner membrane covers the surface of the heart, and the outer membrane supporting body covers the outer side of the inner membrane. The two permanent magnets are fixed to the outer side of the inner membrane and correspond to the left ventricle and the right ventricle respectively. The two electromagnets are fixed to the inner side of the outer membrane supporting body and are opposite to the permanent magnets. The power source and the controller are used for supplying power to the electromagnets and adjusting the magnitude and the direction of current, so that the electromagnets can apply repulsive force or attractive force to the permanent magnets, and then the heart is driven to contract or relax. The device has the advantages of being capable of assisting the heart of the human body to beat, high in controllability, capable of improving the heart failure symptom and prolonging the service life of a patient, simple in structure, small and exquisite in size, capable of being implanted only through surgical operation, convenient to replace, low in manufacturing and using cost, long in service life and easy to accept by doctors and patients.

The invention relates to a supporting seat of a steel belt. The supporting seat of the steel belt comprises a base, baffles are symmetrically and fixedly connected to the two ends of the base, a guide rail is installed on the portion, between the two baffles, of the base, sliders are symmetrically installed on the guide rail, an arc-shaped clamping plate is installed on each slider, and a supporting seat body is further arranged on the portion, between the two clamping plates, of the base. The supporting seat of the steel belt is compact and reasonable in structure, convenient to manufacture and install, capable of supporting and fixing the steel belt conveniently and being freely adjusted according to sizes of different steel belts, flexible to use and reliable.

A fuel pump includes a case member defining a fuel passage and a discharge-side cover connected to the case member and defining an outlet port. A pump section has an inlet port and is connected to the case member. A motor section is housed in the case member for driving the pump section. A positive electrode terminal and a negative electrode terminal are supported by an insulative terminal support member fixed to the discharge-side cover. Base portions of the positive and negative electrode terminals are covered by insulative portions. The insulative portions are fitted in fitting holes of the discharge-side cover. The discharge-side cover has guide portions on its inner surface. The terminal support member has engagement projections on opposite side walls thereof. The engagement projections are guided by the guide portions to restrict the discharge-side cover from rotating with respect to the terminal support member.

The invention belongs to the technical field of steel plate cutting and particularly provides a convenient and rapid type automatic steel plate cutting device comprising a base plate. The top of the base plate is fixedly connected with two hydraulic push rods. The top ends of the hydraulic push rods are fixedly connected with a first support plate, and the bottom of the first support plate is provided with a second sliding groove. According to the convenient and rapid type automatic steel plate cutting device, through arrangement of threaded columns, a double-shaft motor and threaded caps, adjustment of the distance between laser cutting heads is convenient; through the arrangement of an adjusting assemblies, the double-shaft motor, the threaded columns and the threaded caps, not only thedistance between the laser cutting heads is adjusted, but also the demand for adjusting the angles of the laser cutting heads is met; by the adoption of first motors, first rollers, second rotating shafts and second rollers, automatic conveying of the steel plate is achieved, so that the labor cost is greatly saved, the cutting efficiency is improved; and meanwhile, uses is more convenient and rapider, and the whole device is simple in structure, reasonable in design and strong in practicability.

The invention discloses a centralized box for centralized placement of large-size articles and small-size articles for logistics. The centralized box comprises a centralized box body, a layered assembly is arranged in the centralized box body, and partition plates are arranged on one side of the layered assembly. The centralized box is scientific and reasonable in structure, and safe and convenient to use; the layered assembly is arranged, through the effects of a sliding rod supporting block, a sliding rod and a layering plate, the interior of the centralized box can be conveniently layered,the space pattern inside the centralized box can be changed according to actual requirements, the articles with different sizes can be placed, so that the orderliness of article placement is improved;through the effects of springs, fixing clamps, movable shafts and the anti-skid inner cushions, the layering plate can be conveniently arranged and disassembled; and the partition plates are arranged, through the effects of elastic clamping ball, connecting rods and connecting through holes, the partition plates with different sizes can be conveniently arranged on one side of the layering plate according to requirements to isolate the articles stored in the centralized box, so that collision between different objects in the moving process is avoided, and the safety of the articles is improved.

An optical recording medium is made by a step of bonding a light-transmissive substrate to a supporting substrate having a brightness of 8 or more and a saturation of 4 or less via a bonding layer composed of an epoxy resin; and a step of forming a transparent ink-receiving layer on a surface of the supporting substrate remote from the light-transmissive substrate. The bonding using the epoxy resin is conducted by a method of curing the resin by using a cationic initiator, a method of curing the resin by an addition reaction between the resin and a crosslinking agent containing an active hydrogen compound, a method of curing the resin by heating, or the like. In this invention, the bonding layer is composed of a material containing an epoxy resin instead of a radically polymerizable UV-curable resin typically used. Thus, although UV irradiation through the supporting substrate is not possible, the light-transmissive substrate can be securely bonded to the supporting substrate.

The invention discloses folding pay-off equipment for cable processing. The equipment comprises a body, a tensioning mechanism and a pay-off mechanism, a mounting plate is fixed to a lifting mechanism, a second hydraulic rod is fixed to the right side of the interior of a pay-off reel, movable blocks are fixed to the second hydraulic rod, a movable plate is mounted in the pay-off reel, and arc-shaped plates are fixed to the outer side of the movable plate. The folding pay-off equipment for cable processing is provided with a first motor, the movable blocks and a supporting frame, a lead screwis driven by the first motor on the outer side of the body to rotate, the lead screw enables the movable blocks in threaded connection with the outer side of the lead screw to rotate at the same time,the two sets of movable blocks move to the middle point of the lead screw on the lead screw to cooperate with the rotatably-connected supporting frame to support and lift the mounting plate and the pay-off reel on the mounting plate so that the height can be conveniently adjusted according to field conditions during processing, meanwhile, the mounting plate and the pay-off reel can conveniently descend into the body to facilitate storage and transportation, the structure is compact, space is saved, and practicability is improved.

The invention discloses a motor fault simulation test platform for an electric vehicle, and relates to the technical field of motor test. The problem that operation parameters of a motor in different working environments cannot be tested is solved. The device specifically comprises a bottom plate, a connecting plate is arranged on the outer wall of one side of the bottom plate, a mounting platform is arranged on the outer wall of one side of the connecting plate, a dynamometer is arranged on the outer wall of the top of the mounting platform, a top plate and two side baffles are arranged on the outer wall of one side of the connecting plate, and a control panel is arranged on the outer wall of one side of each side baffle. By arranging a guide pipe and a temperature and humidity sensor, a worker can send hot air into a closed space at one side of a sealing cover through the guide pipe by virtue of hot air generation equipment, so that the temperature around a test motor is increased, and at the moment, the test motor is controlled to rotate to drive a clamping rotating shaft to rotate; and the dynamometer is enabled to test the operation condition of the test motor in a high-temperature environment, and the operation parameters are transmitted to the control panel at the same time.

The invention discloses a neurosurgical posterior cranial distraction drainage device, which comprises a support mechanism, a distraction mechanism and a drainage mechanism. The support mechanism comprises a U-shaped frame, a hydraulic cylinder, a bottom plate, an electric push rod, a sleeve, a rotating shaft and a driving motor; the distraction mechanism comprises an adjusting part and a pair ofdistraction parts, and the adjusting part comprises a U-shaped seat, an L-shaped fixed rod, a stepping motor, a screw rod and a sliding block; and each distraction part comprises a hinge chain, a first sliding cylinder, a first spring rod, a second sliding cylinder, a second spring rod, a sliding rod and a reset spring; and the drainage mechanism comprises a telescopic rod, a drainage tube, an infusion pump, a catch box, a spring lock bolt and a fixing ring. By adopting the support mechanism, the distraction mechanism and the drainage mechanism, the surgical incision of a patient can be effectively opened and fixedly supported, the situation that the device tears the skin of the patient in the process of opening the surgical incision of the patient can be effectively avoided, and hydrops in the surgical incision of the patient can be effectively drained.

The invention relates to the technical field of thermoplastic bone fixing plates and strings, particularly to a polyurethane thermoplastic bone fixing plate and a preparation method thereof. The polyurethane thermoplastic bone fixing plate is made from,, by part, 40-80 parts of polyurethane plastic particles, 10-50 parts of engineering plastics, 0-30 parts of soft modified materials, 0-10 parts of fillers and 0.1-2 parts of antioxygen. The polyurethane thermoplastic bone fixing plate is made of medical polymer materials with high supporting performance and accordingly is dismountable, reusable and plastic, meanwhile, can obtain good adhesiveness and provide supporting and fixing effects according to the detailed shapes of different wounded positions, is breathable, sweat-proof and capable of avoiding side effects such as skin irritation and allergy, also, is recyclable, naturally degradable and environmentally friendly, and when replacing traditional gypsum materials for clinical orthopedic exterior fixation, can greatly improve the living conditions for rehabilitation of a patient. The preparation method of the polyurethane thermoplastic bone fixing plate is simple, mature, high in production efficiency and applicable to generalized popularization and application.

The invention provides municipal full-automatic negative-pressure-free water supply equipment convenient to overhaul, and belongs to the technical field of water supply. The municipal full-automatic negative-pressure-free water supply equipment comprises a water storage mechanism, a pressure-stabilizing water supply mechanism is fixedly installed at one end of the water storage mechanism, a filtering mechanism is fixedly installed in the middle of the pressure-stabilizing water supply mechanism, and a water body flow stabilizing mechanism is fixedly installed on the side face of the filteringmechanism; and the water storage mechanism comprises a supporting bottom plate used for supporting and installing the water tank, a plurality of water tank supporting brackets are fixedly installed onthe surface of the top of the supporting bottom plate, square water storage tanks are fixedly installed among the multiple water tank supporting brackets, and round open grooves are formed in the middles of the top ends of the water storage tanks. According to the municipal full-automatic negative-pressure-free water supply equipment, the water tank is conveniently supported and fixed through thewater storage mechanism, the supporting bottom plate and the water tank supporting brackets, ozone arranged at the end of the piece is conveniently injected into the water storage tanks through ozonegenerators arranged in the water tank supporting brackets, and convenient disinfection sterilization treatment is conveniently achieved through the ozone generators.

The invention discloses a multifunctional automobile chassis component test bench, relates to a test bench. The test bench comprises a basic fixed bracket for supporting a whole actuator, the actuator for providing driving force to the test bench frame, a lifting mechanism which is removably arranged on the basic fixed bracket and is used for driving the actuator to actuator to carry out up and down precise adjustment, a connection rod which is connected to the actuator, and a control system which is electrically connected to the actuator and is used for precisely controlling the driving power needed by a test. According to the multifunctional automobile chassis component test bench, through the control system and the lifting mechanism, the driving of the whole actuator is precisely controlled, thus the whole test bench is more intelligent and accurate, the precise adjustment of the actuator is realized, and the test precision and working efficiency are improved. By using different modes, the actuator is fixedly connected, the test bench can test the stiffness, strength and durability of different automobile chassis components, the use of the multifunctional automobile chassis component test bench is flexible, and the application range of the test bench is increased.

The invention relates to a lifting and anti-shaking device for a marine crane. The lifting and anti-shaking device comprises a telescopic crane main arm arranged transversely along a hull and a pair of lazy arm fixing brackets symmetrically arranged on the two sides of the telescopic crane main arm. The side surfaces of the lazy arm fixing brackets are connected with the telescopic crane main armthrough bolts. The lower bottom surfaces of the lazy arm fixing brackets are connected with an anti-shaking connecting seat. Hinge brackets are welded to the two sides of the lower end surface of theanti-shaking connecting seat. A supporting rod rotating seat is connected with the hinge brackets through pin shafts. The middle of the lower end surface of the anti-shaking connecting seat is fixedlyprovided with a lifting pulley group used for lifting an object. One end of a supporting rod is hinged to the supporting rod rotating seat. The other end of the supporting rod is hinged to a supporting disc. One end of an anti-shaking compensating cylinder is hinged to an oil cylinder supporting seat fixedly arranged at the lower part of the telescopic crane main arm. The other end of the anti-shaking compensating cylinder is hinged to the supporting disc. A tilt sensor is arranged on the telescopic crane main arm. The top of the supporting disc is provided with a raised structure used for clamping the lifted object. The lifting and anti-shaking device has the functions of fixing and swinging preventing when the marine telescopic crane lifts the object on the sea and protect operation safety of equipment.

The invention relates to a fixing tool for turbine blade machining, and belongs to the technical field of aero-engine manufacturing. The fixing tool comprises a bottom plate, a chuck, a transverse self-adaptive adjustment supporting assembly and a longitudinal self-adaptive adjustment supporting assembly; the chuck is used for clamping tenon teeth and is fixedly connected to one end of the bottomplate; the transverse self-adaptive adjustment supporting assembly is used for supporting the blade back of a blade, the transverse self-adaptive adjustment supporting assembly is fixedly connected toone side of the other end of the bottom plate, and the output end of the transverse self-adaptive adjustment supporting assembly abuts against the blade back; and the longitudinal self-adaptive adjustment supporting assembly is used for supporting the shroud of the blade, the longitudinal self-adaptive adjustment supporting assembly is fixedly connected to the other side of the other end of the bottom plate, and the output end of the longitudinal self-adaptive adjustment supporting assembly makes contact with the shroud. The fixing tool can well fix the turbine blade, the reliability of machining quality is improved, operation is convenient, and the labor intensity of an operator can be relieved.

The invention relates to a tool for assembling a light-emitting diode (LED) display screen module, which comprises a base and a plurality of fixing columns, wherein the upper end of the base is provided with a plane, the LED display screen module is supported and fixed by the fixing columns, the plane on the upper end of the base is provided with a plurality of square holes which are distributed regularly, and the square holes are distributed axisymmetrically based on a midline of the plane to be combined into different sizes of rectangular projections. The lower ends of the fixing columns are provided with square pins which are matched with the square holes of the base, the upper ends of the fixing columns are provided with cutting gaps which are used to fix the LED display screen module, and the fixing columns are respectively inserted in the square holes of the base according to the shapes of the projections of the LED display screen module to fixedly support the LED display screen module. The tool for assembling the LED display screen module can be used for assembling, supporting and fixing different specifications and types of LED display screen modules, is convenient in assembling and disassembling, and saves making time and production cost.

The invention discloses a motor shell surface paint spraying device. The motor shell surface paint spraying device comprises a bottom plate, wherein a supporting column is vertically and fixedly installed on the bottom plate, and a horizontal plate is horizontally and fixedly installed at the upper end of the supporting column; a stirring barrel is arranged on the bottom plate, and a driving motoris fixedly installed on the left side wall of the stirring barrel; supporting rods are hinged between pressing plates and a fixing block; and a lifting device is arranged on the right side of a supporting clamping device; and a limiting sliding block is embedded in a second guiding groove. According to the motor shell surface paint spraying device, the clamping operation of a motor shell is simple and convenient, and paint spraying is efficient and rapid; the supporting clamping device is used for achieving a good supporting and fixing effect on the motor shell from the inside, meanwhile, theadjusting performance is good, and the motor shells with different sizes can be fixed; the outer surface of the motor shell is enable not to be in contact with the supporting clamping device, and themotor shell can be subjected to comprehensive paint spraying; and the surface of the rotating motor shell can be uniformly coated with the paint, so that the quality of paint spraying is improved.

The invention provides a dredging device for municipal sewer pipes. The dredging device comprises a support mechanism arranged on the ground of a vertical shaft, a dredging mechanism arranged on the support mechanism and used for removing sludge, a propulsion mechanism arranged on the support mechanism, a collection mechanism arranged on the propulsion mechanism and used for collecting the sludge,a disassembly and assembly mechanism arranged on the support mechanism and used for cooperating with the propulsion mechanism, and a control mechanism arranged on the support mechanism and used for controlling the cooperation of the support mechanism, the dredging mechanism, the propulsion mechanism, the collection mechanism and the disassembly and assembly mechanism. By means of the dredging device, not only can a large amount of water not be consumed, but also narrow underground pipes can be efficiently cleaned, and by stirring the sewage and sludge in the vertical shaft, a dredging tube can achieve complete dredging.

The invention relates to the technical field of tunnel construction, and discloses a supporting device for tunnel construction. The supporting device comprises two columns and two arching mechanisms.The tops of the two columns are respectively provided with a positioning groove, a positioning rod is fixedly connected to one side of each arching mechanism, and the positioning rods are located in the positioning grooves. One side of the bottom of each of the two arching mechanisms is fixedly connected with a supporting mechanism, and the bottom of the supporting mechanism is fixedly connected to the side of the corresponding column. The middles of the opposite sides of the two columns are both fixedly connected with a lapping block, one side of each lapping block away from the correspondingcolumn is provided with a lap groove, a cross bar is in lap joint between the two lap grooves, a reinforcing mechanism is fixedly connected to one side of the bottom of the cross bar, and the bottomof the reinforcing mechanism is fixedly connected to the sides of the columns. The supporting device is reasonable in design, high in practicability, convenient to install and remove and convenient topopularize and use. Construction workers can use the device conveniently.

According to an embodiment of the present invention, a piezoelectric element composing a detecting part of a bone-conduction microphone is cantilevered by being mechanically pressed into an element mounting opening of a supporting member in a microphone case while temporarily bonded to a connecting member including a signal communication spacer, a copper-made spacer, a tapered ground spacer, and an insulating spacer, and optionally reinforced and fixed by use of an adhesive. Hence, it is possible to provide a cantilevered bone-conduction microphone having a vibration detecting part that can be assembled with a simple structure by use of an eco-friendly bonding material, not a solder.

There is provided a mechanical motion switch whose structure is simple, which is a microminiature, which can be used for a long time even in a such a severe environment as a high temperature state, and whose reliability is high. A ceramic-made pedestal of an approximately rectangular shape is fixed to a board and, in the pedestal, there is formed a reverse L-letter shape groove continuous with a base end face and an upside face. A high elasticity wire having an electrical conductivity is fitted and fixed to the groove while being bent, and has a lead penetrating through the board and an arm part extended in a direction horizontal to the board, and a tip part of the arm part is made an action end. In the action end, there is formed, in a position separated from the board, a metal-made deadweight movable by a swing by an elasticity of the arm part. On the board just below the deadweight, there is provided a contact having the electrical conductivity, which is support-fixed to the board by a lead. And, the pedestal, the arm part, the deadweight and the contact are covered by a case.

The invention discloses a polishing device for glass reinforced plastic mortar pipeline production. The polishing device comprises a bottom plate, and a horizontal sliding rail and a vertical plate are fixedly mounted at the top end of the bottom plate, and a fixed plate is welded to the top end of the side wall, away from the horizontal sliding rail, of the vertical plate. A round through hole isformed in a plate body of the fixed plate, and the round through hole of the fixed plate is rotationally connected with a first screw rod. The outer side of the first screw rod is in threaded connection with a first threaded sleeve, and a rotary handle is fixedly mounted at the top end of the first screw rod. A round groove is formed in the top end of the bottom plate, and the bottom end of the first screw rod is rotationally connected with the round groove of the bottom plate. A strip-shaped through hole is formed in a plate body of the vertical plate, and the strip-shaped through hole of the vertical plate is in sliding connection with a guide rod. One end of the guide rod and the first threaded sleeve are connected in a welded manner. Compared with an existing device, the polishing device can support and fix pipelines with different apertures well, the outer diameters and the inner diameters can be polished well, and work efficiency is improved.

The invention discloses a smart home flat desk which comprises a main desktop, a first supporting plate and a second supporting plate, wherein a through groove is arranged in the middle of the main desktop, a supporting shaft is fixed inside the through groove, an auxiliary desktop is mounted on the right side of the supporting shaft, a top groove is arranged below the auxiliary desktop, a supporting plate is installed above the main desktop, a bracket is arranged on the inner side of the supporting plate, a slide rail is arranged on the inner side of the first supporting plate, the first supporting plate is located at the inner side of a wire receiving box, a storage plate is installed on the inner side of the slide rail, a telescopic device is arranged on the outer side of the slide rail, a sliding block is welded below the first supporting plate, a bar-shaped groove is arranged in the interior of the second supporting plate, and the sliding block penetrates the bar-shaped groove. The smart home flat desk supports the wiring, installation and use of smart devices, makes the best use of the interior space of the desk, and makes the desk more efficient.

The invention relates to the technical field of bridge construction, in particular to a bridge deepwater pile foundation reinforcing component. The bridge deepwater pile foundation reinforcing component is technically characterized by comprising a locking ring, a fixing ring and anchor rods, wherein the locking ring is formed by splicing two U-shaped blocks, the top face of the fixing ring is connected with two abutting rod sets, the two U-shaped blocks and the two abutting rod sets are arranged in a one-to-one correspondence mode, each abutting rod set comprises two abutting rods distributedat an interval, one end of each abutting rod is hinged to the top face of the fixing ring, elastic pieces are fixedly connected between each U-shaped block and the free ends of the corresponding two abutting rods, the free end of each abutting rod is fixedly provided with an abutting block and a triggering block, the abutting blocks abut against the side wall of the pile foundation, two triggeringrods corresponding to the corresponding two abutting blocks movably penetrate through each U-shaped block, the triggering rods move up and down to abut against the triggering blocks, and each U-shaped block is provided with a driving assembly. The component can play a good role in supporting and fixing the pile foundation, and therefore the overall stability of the pile foundation is improved.