33results about How to "Avoid bending or even breaking" patented technology

The invention discloses a construction method for a connecting part of PHC tubular piles, which is characterized in that: the circumferential positioning of two butted PHC tubular piles (8) on each layer is carried out through a connecting piece (7); and the inside and outside of a pipe wall of the connecting part of the PHC tubular piles (8) on each layer are grouted from the bottom up. The construction method for the connecting part of the PHC tubular piles ensures good connecting effect between the PHC tubular piles (8) and low cost.

The invention discloses a UV curing device of a 3D printed product. The UV curing device comprises a base, and a tray is arranged on the base; the tray is horizontally and rotatably connected around a vertical rotating shaft on the base; a hood sharing the same axis center with the tray is arranged on the base; the tray is positioned in the hood; UV light tubes are arranged on the inner wall of the hood; a driving motor provides driving force for the tray; and the driving motor is fixed in the base. The UV curing device applicable to the 3D product is provided, and the surface of the 3D product can be automatically and uniformly subjected to UV curing.

The invention discloses a power head structure for a horizontal directional drilling machine, and belongs to the technical field of horizontal directional drilling machines. On the basis of an original structure, a cover body (9) is additionally arranged, the cover body (9) is arranged on the outer side of a power head main shaft (16), the front end of the cover body (9) is installed at the rear end of a power head box body (15), the center of a rear base plate is provided with a circular installation hole, meanwhile, a connecting shaft (18), a V-type combined sealing ring (19), a pressing flange (10) and a central spindle (8) are further arranged in the cover body (9), and the connecting shaft (18), the V-type combined sealing ring (19), the pressing flange (10) and the central spindle (8) are sequentially installed between a slime pump input connector (4) and the power head main shaft (16). According to the power head structure, the power head main shaft (16) is guaranteed to slide in a front-and-back mode relative to the power head box body (15), meanwhile, the position of the slime pump input connector (4) is fixed, slime in a slime input soft pipe (3) installed on the slime pump input connector (4) is guaranteed to be smoothly delivered, the phenomena of buckling and even breaking caused by non-timely movement in the original structure are avoided, and the construction progress is ensured.

The invention relates to the technical field of lunch box processing, in particular to a high-stiffness and difficult-to-break degradable environment-friendly lunch box and a preparation method thereof. The lunch box comprises a lunch box body, wherein the lunch box body is integrally formed in a high-temperature mold pressing mode, the lunch box body comprises a box body, a plurality of reinforcing strips are integrally formed on the outer side wall of the box body at equal intervals, a plurality of separation grooves are regularly formed in the middle of the box body, a plurality of supporting plates are arranged on the inner sides of the concave surfaces of the separation grooves at equal intervals, an upper edge ring is arranged on the outer side of the top surface of the box body, anda supporting ring is arranged on the bottom surface of the box body. According to the design, the overall stability of the lunch box can be improved, the stiffness of the lunch box is improved, meanwhile, the anti-scalding performance of the lunch box can be enhanced, and better using experiences are brought to a user; and according to the design, the influence of plant fiber pigments on the color of a finished product can be reduced, meanwhile, the use amount of starch and plastic can be reduced, the using cost is reduced, the degradation period is shortened, the degradation rate is improved, and pollution of the disposable lunch box to the environment is relieved.

The present invention provides a wiring board with a separable socket. The wiring board comprises a pedestal module and a socket module. The pedestal module comprises a downslide seat, intermediate slide seat sleeves, slide seat blocks, an upslide seat, a protruding support and a recessed support. The intermediate slide seat sleeves are slidingly connected with the downslide seat, the intermediateslide seat sleeves are in interference fit with the downslide seat, the intermediate slide seat sleeves are fixedly connected with a buckle of the downslide seat through the slide seat blocks, the upslide seat is slidingly connected with the intermediate slide seat sleeves, the upslide seat is in interference fit with the intermediate slide seat sleeves, the protruding support is connected with the upslide seat through the buckle, and the recessed support is connected with the downslide seat through the buckle. The socket module comprises a three-hole socket block, an intermediate sliding sleeve, a two-hole socket block, an intermediate sliding sleeve, a left stop dog, a right stop dog, a straight bar, a cross bar, a protruding rotary table and a recessed rotary table, and the pedestal module and the socket module are cooperatively designed to allow the usage of the wiring board to be more convenient.

The invention discloses a steel beam damping structure, and belongs to the technical field of building beam columns. The structure comprises a cross beam, damping assemblies A and a damping assembly B, wherein supporting columns are arranged at the two ends of the cross beam; supporting seats are arranged on the front sides and the rear sides of the supporting columns; the damping assemblies A arearranged on the supporting seats; the damping assembly B is positioned on the lower side of the cross beam and is in contact with the bottom surface of the cross beam; and the two ends of the dampingassembly B are in sliding connection with the damping assemblies A on the front sides and the rear sides of the supporting columns through two guide rods correspondingly. According to the structure,primary damping is carried out on the vibration of the cross beam through an arc-shaped plate, the arc-shaped plate further transmits the vibration to a spring through the guide rods, secondary damping is carried out on the vibration of the cross beam through the spring, resonance between the cross beam and equipment is avoided, and therefore the cross beam is prevented from being bent or even broken. In addition, the supporting columns provide support for the middle of the cross beam through the supporting seats, the damping assemblies A, the guide rods and the arc-shaped plate, so that the rigidity of the cross beam is improved, and the service life of the cross beam is prolonged.

The invention relates to the field of machining, in particular to a double-pitch twisting machine which comprises a double-pitch twisting machine shell, a driving device and a control console. The double-pitch twisting machine is characterized in that a base is arranged at the bottom of the double-pitch twisting machine shell, and a lifting table is arranged at the top of the base; the driving device is installed on one side of the outer portion of the double-pitch twisting machine shell, the driving device is a motor, and the double-pitch twisting machine is sequentially provided with a firstmain shaft, a first main shaft guide wheel, a stranding bow, a second main shaft, a second main shaft guide wheel and a cradle frame according to a product machining sequence; the cradle frame internally comprises a traction device, a wire arrangement device and a take-up reel, and the traction device comprises a wire traction motor, a driving leading taking wheel, a driven leading taking wheel and a reversing wire passing guide wheel; the take-up reel is arranged on the cradle frame, and the wire arranging device is arranged between the cradle frame and the traction device; and observation openings are further formed in the two sides, close to the main shafts, of the double-pitch twisting machine shell.

The invention discloses a gantry type multipoint grain purchasing intelligent sampling device. The device comprises a sampling mechanism and a portal frame body for driving the sampling mechanism to do planar motion.The sampling mechanism comprises a bracket for connecting the portal frame body and the sampling mechanism, a material airflow conveyor, a sample conveying hose, a sampling rod, a vertical driving device and a central control device, wherein the material airflow conveyor, the sample conveying hose, the sampling rod, the vertical driving device and the central control device are connected in sequence; the direct driving device comprises a fixing plate connected to a front end of the bracket, an adjusting frame arranged at aside end of the bracket, a passive groove wheel rotatably connected to an adjusting frame, an active groove wheel rotatably connected to the fixing plate, and a groove wheel driving device arranged on the fixing plate and used for driving the active groovewheel to rotate; and the active groove wheel and the passive groove wheel are oppositely arranged, and a space for accommodating the sampling rod is formed between the active groove wheel and the passive groove wheel. A problem of poor structural stability of a slender rod of the sampling rod is solved, a phenomenon that the sampling rod is bent and even broken is effectively avoided, and a depthof the sampling rod inserted into a grain pile is easily accurate through fixed-point control.

The invention provides a three-dimensional open ditch and subsurface pipe salt-draining system of saline-alkali soil and a construction technology of the three-dimensional open ditch and subsurface pipe salt-draining system of the saline-alkali soil. The three-dimensional open ditch and subsurface pipe salt-draining system of the saline-alkali soil comprises installation frames, wherein a plurality of first subsurface pipe bases are arranged on each installation frame, each first subsurface pipe base comprises a first subsurface pipe upper base and a first subsurface pipe lower base which arearranged vertically, each first subsurface pipe upper base is fixedly installed on one corresponding installation frame, each first subsurface pipe lower base is slidingly installed on one corresponding installation frame through a corresponding first lifting device, a second subsurface pipe base is arranged between each two adjacent first subsurface pipe bases, each second subsurface pipe base comprises a second subsurface pipe upper base and a second subsurface pipe lower base which are arranged vertically, each second subsurface pipe upper base is fixedly installed on one corresponding installation frame, and each second subsurface pipe lower base is slidingly installed on one corresponding installation frame through a corresponding second lifting device. According to the three-dimensional open ditch and subsurface pipe salt-draining system of the saline-alkali soil and the construction technology of the three-dimensional open ditch and subsurface pipe salt-draining system of the saline-alkali soil, by additionally arranging the installation frames used for fixing subsurface pipes, the stability and the reliability of fixed installation of the subsurface pipes are improved, andby laying the multiple layers of subsurface pipes, a salt-leaching range is greatly extended, so that the three-dimensional open ditch and subsurface pipe salt-draining system of the saline-alkali soil and the construction technology of the three-dimensional open ditch and subsurface pipe salt-draining system of the saline-alkali soil have the characters that the salt-leaching efficiency is high,waste of water resources is reduced, and the cost is reduced.

The invention discloses a construction method for a connecting part of PHC tubular piles, which is characterized in that: the circumferential positioning of two butted PHC tubular piles (8) on each layer is carried out through a connecting piece (7); and the inside and outside of a pipe wall of the connecting part of the PHC tubular piles (8) on each layer are grouted from the bottom up. The construction method for the connecting part of the PHC tubular piles ensures good connecting effect between the PHC tubular piles (8) and low cost.

The invention discloses a data line and a processing method thereof, belonging to the technical field of design electronic products. The data line includes a USB interface connected in sequence, a data line body and a terminal interface connected to an electronic device. The terminal interface is provided with a plug PCB board, and also includes an adapter. The core wire of the data line body passes through the adapter and the plug. The PCB board is electrically connected. The invention also discloses a processing method of the data line. The data line of the present invention realizes that the core wire of the data line body is connected to the plug PCB board through the adapter piece by adding the adapter piece. On the one hand, it avoids that the plug PCB board itself is relatively thin, and the Hot-Bar welding device is easy to be welded when welding. The phenomenon that the PCB board of the plug is bent or even broken occurs; on the other hand, the phenomenon that the electronic components arranged on the PCB board of the plug are easily crushed by the Hot-Bar welding device during welding is avoided.

The present invention provides a wiring board with a separable socket. The wiring board comprises a pedestal module and a socket module. The pedestal module comprises a downslide seat, intermediate slide seat sleeves, slide seat blocks, an upslide seat, a protruding support and a recessed support. The intermediate slide seat sleeves are slidingly connected with the downslide seat, the intermediateslide seat sleeves are in interference fit with the downslide seat, and the intermediate slide seat sleeves are fixedly connected with a buckle of the downslide seat through the slide seat blocks; the upslide seat is slidingly connected with the intermediate slide seat sleeves, the upslide seat is in interference fit with the intermediate slide seat sleeves, the protruding support is connected with the upslide seat through the buckle, and the recessed support is connected with the downslide seat through the buckle. The socket module comprises a socket block, intermediate sliding sleeves, a left stop dog, a right stop dog, a protruding rotary table, a recessed rotary table and rotating blocks, and the pedestal module and the socket module are cooperatively designed to allow the usage of the wiring board to be more convenient.

The invention discloses a preparation method for a chip-type ceramic sensitive element and a corresponding product thereof. The method comprises the steps of respectively processing a metal conducting layer, a transition layer and an easily-welding layer in sequence on the upper surface and the lower surface of a ceramic chip to form an upper electrode and a lower electrode, cutting the ceramic chip into a plurality of sensitive element main bodies, processing a plurality of rectangle areas used for placing the single sensitive element main body on a substrate, respectively arranging a first electrode and a second electrode in each rectangle area, leading out the two electrodes in parallel in a way of facing the same side of the rectangle areas which the two electrodes belong to, arranging each sensitive element main body on the first electrode and connecting the upper electrode of each sensitive element main body with the second electrode, sealing and wrapping each sensitive element main body and a connecting guide line of each sensitive element main body, leading out the first electrode and the second electrode through a lead out guide line, and obtaining the finished sensitive element. The preparation method can eliminate non-ohm contact when a silver electrode is adopted, leads out the lead out guide line in parallel without a requirement of being bent, and can obtain products which are good in electricity-conducting property, low in cost and convenient to produce in a standardized mode.

The invention provides a labor-saving bicycle, and belongs to the technical field of bicycles. The problem of poor stability of an existing bicycle structure is solved. The labor-saving bicycle comprises a bicycle frame and driving wheels, the side part of the bicycle frame is connected with a crankshaft disc which is vertically arranged, and the side part of the crankshaft disc is connected withpedals; the labor-saving bicycle also comprises a guide rod, a guide sleeve, a drive rod, a transmission rod and a transmission shaft I, the guide rod is vertically fixed on the bicycle frame above the crankshaft disc, the guide sleeve sleeves the outer side of the guide rod, one end of the drive rod is hinged to the eccentric position of the side part of the crankshaft disc, the other end of thedrive rod is hinged to the outer side of the guide sleeve, one end of the transmission rod is hinged to the outer side of the guide sleeve, the other end of the transmission rod is sleeved on the outer side of the transmission shaft I and can drive the transmission shaft I to rotate in the circumferential direction, a one-way transmission mechanism is connected between the transmission rod and thetransmission shaft I or the transmission shaft I and the drive wheel, and the one-way transmission mechanism can enable the transmission rod to drive the drive wheel to rotate in one direction. The labor-saving bicycle has the advantage of good structural stability.

The invention discloses a hand held shower head with a descaling function. The hand held shower head comprises a shell, a waterway, a water outlet fixing base, a small water distributing disc, a largewater distributing disc, a descaling pin disc, a water outlet surface cover and a screw. Penetrating holes are formed in the circumferential edge of the large water distributing disc. Guide sprue pins are arranged on the back face of the descaling pin disc, guide holes are formed in one sides of the guide sprue pins correspondingly, and descaling pins are arranged on the front face of the descaling pin disc. A nut column is arranged in the center of the back face of the water outlet surface cover, water outlets and guide columns are formed in and arranged on the periphery of the nut column, the guide columns penetrate through the guide holes in the descaling pin disc correspondingly, and the guide sprue pins on the upper end surface of the descaling pin disc penetrate through the penetrating holes of the large water distributing disc correspondingly. Bidirectional bevel bayonets are arranged at the upper ends of the guide sprue pins correspondingly, a guide rail is arranged at the edge of the lateral vertical face of the water outlet fixing base, arched portions and sunken portions are arranged on the guide rail, and notches are formed in the centers of the sunken portions correspondingly. The bidirectional bevel bayonets on the guide sprue pins are clamped to the guide rail. According to the hand held shower head with the descaling function, descaling is performed by means ofthe guide rail in a guided mode, spring mounting is avoided, no other exogenous acting force exists, and the descaling function is not affected in a long time.

The invention discloses a pushing device for a scalper sieve tray. The pushing device comprises a fixing frame. A motor is mounted in the fixing frame. A movable plate is mounted on one side of the fixing frame. A pushing rod is mounted in the motor and penetrates through the movable plate. A disc is welded to the middle of the side wall of a pushing plate. The tail end of an inner rod is inserted into a threaded hole in a penetrating mode. A nut is arranged at the tail end of the inner rod in a sleeving mode. By mounting the movable plate between the fixing frame and the pushing plate and mounting two sliding rods between the pushing plate and the movable plate, the pushing plate is driven to move back and forth through telescoping of the pushing rod, thus, the effect that the sieve tray mounted on a connecting base is driven to sieve grains back and forth is achieved, due to the fact that the pushing rod is welded between the two sliding rods, the pushing rod is not directly connected to the connecting base, the sliding rods can share loads of the pushing rod, and the situation that the pushing rod is bent or even broken due to too heavy grains on the sieve tray is effectively avoided.

The invention relates to a light splitter. The light splitter comprises a shell and a box body; the shell and the box body are in sliding connection, a panel is arranged at an upper end of the box body, a partition plate is arranged in the box body, and holes are formed on the panel; a splitting element is arranged in the box body; a sliding chute is arranged at the upper end of the shell, and a scraper plate is arranged at the upper end of the sliding chute; a sliding rod is arranged in the sliding chute, the sliding rod is located at a front end and a back end of the scraper plate, and a bottom end of the scraper plate is in fitting with the shell; the light splitter body further comprises input adapters and output adapters; optical fiber line incoming holes and optical line outgoing hole groups is arranged on a front panel of the box body; the input adapter penetrates through the optical fiber line incoming holes and are connected with an input end of the splitter element through anoptical fiber sleeved with a hollow tube; the light splitter body further comprises a simple optical fiber coupler, a low-channel light filter, and a planar waveguide type light splitter body. The light splitter disclosed by the invention has the advantages of being compact in structure, simple in manufacturing and low in cost, uniform in light-splitting and capable of satisfying transmission demands of different wavelengths.

The invention discloses a steel beam damping structure, which belongs to the technical field of building beams and columns. The structure includes a beam, a vibration damping assembly A and a vibration damping assembly B. Both ends of the beam are provided with support columns, and the front and rear sides of the support columns are provided with supports, and each support is provided with the damping components. Vibration component A, the vibration damping component B is located on the lower side of the beam and is in contact with the bottom surface of the beam, and the two ends of the vibration damping component B are slidingly connected to the vibration damping component A on the front and rear sides of the support column through two guide rods. In the present invention, the vibration of the crossbeam is damped once through the arc-shaped plate. The arc-shaped plate further transmits the vibration to the spring through the guide rod, and the vibration of the crossbeam is damped twice through the spring, so as to avoid the resonance between the crossbeam and the equipment, thereby avoiding the vibration of the crossbeam bend or even break. In addition, the support column provides support for the middle part of the beam through the support, the damping assembly A, the guide rod and the arc plate, which helps to improve the rigidity of the beam and prolong the service life of the beam.

The invention discloses a beam column damping structure, and belongs to the technical field of steel structure building beam columns. The structure comprises a cross beam and a vibration reduction assembly B. The cross beam is arranged on two support columns arranged side by side. The vibration reduction assembly B is located on the lower side of the cross beam and is located between the two support columns. The vibration reduction assembly B is in contact with the bottom surface of the cross beam, and the two ends of the vibration reduction assembly B are rotationally connected with the adjacent support columns through two connecting rods. When the equipment mounted on the cross beam transmits the vibration to the cross beam, the cross beam transmits the vibration to an arc-shaped plate,vibration of the cross beam is reduced through the arc-shaped plate, the arc-shaped plate further transmits the vibration to the connecting rods, the connecting rods are damped through springs, resonance of the cross beam and the equipment is avoided, and thus the cross beam is prevented from bending or even breaking. In addition, the support columns pass through fixing rods, the connecting rods,round rods and the arc-shaped plate, support is provided for the middle of the cross beam, the rigidity of the cross beam can be improved, and the service life of the cross beam is prolonged.

A CATV connector includes a tab and a wiring section, A tab end is provide at that end of the tab, At that end of the connected part, there is a terminal corresponding to the connected part, The terminal is connected with the connector end, the connector head forms a connector channel along a first central axis thereof, the connector portion forms a connector channel along a second central axis thereof, the connector channel is in communication with the connector channel, and the connector end is connected with the connector end in a rotational manner. The cable television connector provided by the invention can automatically recover the coiled line when the television line or the signal line is wound, thereby avoiding the bending or even breaking of the line due to the wound line, and prolonging the service life of the television line or the signal line.

The invention discloses a guide cutting device for price ticket production, and relates to the technical field of price ticket production equipment. The guide cutting device comprises a work platform,a lifting plate is fixedly mounted on the work platform, a guide assembly is fixedly mounted on the lifting plate, a transmission assembly is movably connected to the guide assembly, and is matched with a price ticket, a cutting assembly is fixedly mounted on the work platform, the cutting assembly and the guide assembly are matched, a rectangular through groove is formed in the middle of the work platform, the lower end of the rectangular through groove is fixedly connected with a supporting plate through a connecting rod, a lifting rod is fixedly mounted on the upper surface of the supporting plate, a pair of limiting groove ways are arranged on the edge of the rectangular through groove, and mounting holes are formed in the limiting groove ways in an array manner. Through the effect ofthe work platform, the lifting plate, the guide assembly, the transmission assembly and the cutting assembly, the effects that it is ensured that the price ticket is cut horizontally and straightly,and is not prone to bending damage, and the chippings can be automatically cleaned in time conveniently are achieved.

The invention discloses a low-frequency ultrasonic transducer device for tumor treatment, and relates to the technical field of medical instruments, the low-frequency ultrasonic transducer device comprises a shell, a piezoelectric crystal, a sound absorption pad filler block, a sound absorption insulating layer and a vibrator are arranged in the shell, the shell is further provided with a sleeve shell, the sleeve shell is coaxially arranged at the end of the shell in a sleeving mode, and an interlayer is formed between the sleeve shell and the shell; the adsorption fixing assembly comprises a sleeve and a sliding ring which are arranged in the interlayer in a sliding mode, a spring is arranged between the sleeve and the sliding ring, and the sleeve is further connected with an adsorption mechanism used for fixing the transducer on the skin surface of a patient; and the elastic force adjusting assembly comprises an adjusting ring. By arranging the sleeve, the spring and the sliding ring, the transducer can be fixed to the affected part of a patient when the transducer makes contact with the skin of the patient, the two hands of a doctor are liberated, and the labor intensity is reduced.

The invention provides an automatic cargo loading and unloading system of a back-opening door container. The automatic cargo loading and unloading system comprises a control device, a first supportingframe, a cross beam, a pallet fork, a horizontal driving device, a second supporting frame, a first rotary driving device and a longitudinal conveying device. The cross beam is movably connected to the first supporting frame in the transverse direction. The pallet fork is connected to the front end of the cross beam in an up-down sliding mode. The horizontal driving device is in communication connection with the control device and drives the cross beam to move in the transverse direction. The second supporting frame is rotationally connected to the bottom of the cross beam. The first rotary driving device is in communication connection with the control device, and the output end of the first rotary driving device is connected to the second supporting frame. The longitudinal conveying device is in communication connection with the control device. The control device controls all the driving devices to achieve automatic loading and unloading, the cross beam is adopted to carry the palletfork to load and unload goods, the second supporting frame is used for supporting the bottom of the cross beam, the cross beam is prevented from being bent or even broken as a cantilever, the strength of the cross beam is improved, and goods loading and unloading safety is guaranteed.

The invention discloses a patch panel with a detachable socket. The patch panel comprises a base module and a socket module, wherein the base module comprises a lower sliding seat, a middle sliding seat sleeve, a sliding seat stop block, an upper sliding seat, a convex bracket and a concave bracket; the middle sliding seat sleeve and the lower sliding seat are connected together in a sliding manner and are in interference fit; the middle sliding seat sleeve is connected and fixed to a buckle of the lower sliding seat through the sliding seat stop block; the upper sliding seat and the middle sliding seat sleeve are connected together in a sliding manner and are in interference fit; the convex bracket is connected with the upper sliding seat through the buckle; the concave bracket is connected with the lower sliding seat through the buckle; and the socket module comprises a three-hole socket block, a middle sliding block, a two-hole socket block, a middle sliding sleeve, a left stop block, a right stop block, a connection block, a convex turntable and a concave turntable. The patch panel is more convenient to use through the cooperation design of the base module and the socket module.

The invention relates to a combined optical branching device, and the optical branching device comprises a shell and a box body; the shell is slidably connected with the box body; a panel is arrangedat the upper end of the box body, and a partition plate is arranged in the box body; a hole is formed in the panel; a branching element is arranged in the box body; a sliding groove is formed in the upper end of the shell, and a scraper is arranged at the upper ends of the sliding grooves; sliding rods are arranged in the sliding grooves and located at the front end and the rear end of the scraper, and the bottom end of the scraper is attached to the shell. The optical branching device body further comprises an input adapter and an output adapter; the front panel of the box body is provided with an optical fiber inlet hole and an optical fiber outlet hole set, and the input adapter penetrates through the optical fiber inlet hole and is connected with the input end of the branching elementthrough an optical fiber sleeved with a hollow pipe. The optical branching device further comprises a simple optical fiber coupler, a low-channel optical filter and a planar waveguide type optical splitter body. The optical branching device is compact in structure, easy and convenient to manufacture, low in cost, uniform in light splitting and capable of meeting the transmission requirements of different wavelengths.

The invention discloses a power head structure for a horizontal directional drilling machine, and belongs to the technical field of horizontal directional drilling machines. On the basis of an original structure, a cover body (9) is additionally arranged, the cover body (9) is arranged on the outer side of a power head main shaft (16), the front end of the cover body (9) is installed at the rear end of a power head box body (15), the center of a rear base plate is provided with a circular installation hole, meanwhile, a connecting shaft (18), a V-type combined sealing ring (19), a pressing flange (10) and a central spindle (8) are further arranged in the cover body (9), and the connecting shaft (18), the V-type combined sealing ring (19), the pressing flange (10) and the central spindle (8) are sequentially installed between a slime pump input connector (4) and the power head main shaft (16). According to the power head structure, the power head main shaft (16) is guaranteed to slide in a front-and-back mode relative to the power head box body (15), meanwhile, the position of the slime pump input connector (4) is fixed, slime in a slime input soft pipe (3) installed on the slime pump input connector (4) is guaranteed to be smoothly delivered, the phenomena of buckling and even breaking caused by non-timely movement in the original structure are avoided, and the construction progress is ensured.

The present invention provides a wiring board with a separable socket. The wiring board comprises a pedestal module and a socket module. The pedestal module comprises a downslide seat, intermediate slide seat sleeves, slide seat blocks, an upslide seat, a protruding support and a recessed support. The intermediate slide seat sleeves are slidingly connected with the downslide seat, the intermediateslide seat sleeves are in interference fit with the downslide seat, and the intermediate slide seat sleeves are fixedly connected with a buckle of the downslide seat through the slide seat blocks; the upslide seat is slidingly connected with the intermediate slide seat sleeves, the upslide seat is in interference fit with the intermediate slide seat sleeves, the protruding support is connected with the upslide seat through the buckle, and the recessed support is connected with the downslide seat through the buckle. The socket module comprises a socket block, intermediate sliding sleeves, a left stop dog, a right stop dog, a protruding rotary table, a recessed rotary table and rotating blocks, and the pedestal module and the socket module are cooperatively designed to allow the usage of the wiring board to be more convenient.

The invention relates to an optical divider. The optical divider comprises a shell and a box body. The shell is slidably connected to the box body. The upper end of the box body is provided with a panel. A separation plate is arranged in the box body. The panel is provided with a hole. A shunt component is arranged in the box body. The upper end of the shell is provided with a chute. The upper endof the chute is provided with a scraper plate. A slide rod is arranged in the chute. The slide rod is located on the front and rear ends of the scraper plate. The bottom end of the scraper plate is attached to the shell. An optical divider body comprises an input adapter and an output adapter. The front panel of the box body is provided with an optical fiber inlet hole group and an optical fiberoutlet hole group. The input adapter is inserted through optical fiber inlet holes and is connected to the input end of the shunt component through an optical fiber with an empty tube. The optical divider body also comprises a simple optical fiber coupler, a low channel light filter, and a planar waveguide-type optical splitter body. The optical divider has advantages that the structure is compact; making is simple; cost is low; the optical divider splits light uniformly and can satisfy the transmission needs of different wavelengths.