251results about How to "Good fixed effect" patented technology

The invention discloses a welding platform for automobile part machining. The welding platform comprises a rotating platform, a supporting platform, supporting vertical plates, a right rotating rod and clamping mechanisms, the rotating platform is rotatably erected on the supporting platform through supporting sliding blocks which are fixedly arranged on the bottom of the rotating platform in a welded manner, the bottom end of the middle of the supporting platform is fixedly provided with a first motor used for driving the rotating platform to rotate, the top of the rotating platform is symmetrically and fixedly provided with the supporting vertical plates in a welded manner, a left rotating rod is rotatably erected on the supporting vertical plate located at the top of the left side of the rotating platform, the right rotating rod is rotatably erected on the supporting vertical plate located at the top of the right side of the rotating platform, and the right rotating rod and the leftrotating rod are both fixedly provided with the clamping mechanisms used for clamping and fixing automobile parts. By means of the welding platform for the automobile part machining, clamping and fixing on the automobile parts can be realized, the fixing effect is good, operations are convenient and fast, furthermore, multi-angle and all-around welding on the automobile parts can be realized, andthe work efficiency is high.

The invention relates to a shockproof device, in particular to a heat dissipation shockproof device of a filter for high-voltage harmonic treatment. The heat dissipation shockproof device of the filter for high-voltage harmonic treatment has the technical effects that the heat dissipation effect is great, the shockproof effect is good, and the operation difficulty is low. To achieve the technical effects, the heat dissipation shockproof device of the filter for high-voltage harmonic treatment comprises a top plate, a drying box, a first cold air pipe, a first one-way valve, a cylinder body, a piston, a second one-way valve, a stirring rod, an ice storage box, a flat belt, a small belt pulley and the like. The top of a bottom plate is sequentially provided with a left support, springs and a right support from left to right. The left support and the right support are provided with vent holes. A containing tank is arranged at the top ends of the springs. Through the heat dissipation shockproof device, the effects that the cooling speed is high, the heat dissipation effect is great, and the operation difficulty is low are achieved, application of the filter is facilitated by keeping the application environment of the filter dry, and long-term application of the filter is also facilitated.

The invention discloses an adjustable display screen for information system integration. The adjustable display screen comprises a base, wherein a housing and a guide seat are fixed on the top surfaceof the base; the guide seat is positioned on one side of the housing; a rotary shaft is rotatably connected onto the inner wall of the housing; a first ratchet wheel assembly and a second ratchet wheel assembly are connected onto the rotary shaft in an empty sleeving manner; a first spline wheel is connected with one side, close to the second ratchet wheel assembly, of the first ratchet wheel assembly and is arranged on the rotary shaft in an empty sleeving manner; a second spline wheel is connected with one side, close to the first ratchet wheel assembly, of the second ratchet wheel assemblyand is arranged on the rotary shaft in an empty sleeving manner; a gear is arranged between the first ratchet wheel assembly and the second ratchet wheel assembly; a lifting rod is embedded in one side, close to the gear, of the guide seat; a rack is connected with the side face, close to the gear, of the lifting rod; and the rack is meshed with the gear. The adjustable display screen is reasonable in structure and convenient to operate, can conveniently and quickly adjust and fix height and angle of a displayer and is firm and reliable in positioning and high in fastening effect.

The invention discloses an auxiliary supporting frame for ophthalmology department doctor operation. The supporting frame comprises a base plate, a head fixing device and an arm supporting device; thehead fixing device and the arm supporting device are arranged on the base plate; L-shaped supports with fixing rods are arranged on the two sides of the base plate, a first stretchable rod is arranged in the base plate, the top of the first stretchable rod is rotationally connected with the head fixing device comprising a head fixing groove, a head fixing belt, a fixing clamp, a chin fixing beltand a face support and a neck supporting pad; the base plate is further provided with a first sliding way extending from the center of the base plate to the end, a third stretchable rod is in slidingconnection with the first sliding way, and the arm supporting device is rotationally connected to the third stretchable rod. The supporting frame is simple in structure and convenient to use, the patient head fixing effect is good, the discomfort caused by directly covering the face of the patient with a sterile towel can be relieved, supporting is provided for the arms of an ophthalmology doctor,the influence on the operation caused by external factors such as arm aches of the doctor in the long-term operation process is avoided, and the auxiliary effect is good.

The invention discloses a liquid crystal television transport packaging box, which comprises a box body, a movable door is arranged on the top of the box body, two groups of symmetrical springs are fixedly connected to the inner side wall of the box body, and the other end of each group of springs is A buffer plate is fixedly connected, and a shockproof plate and two symmetrical uprights are fixedly connected to the inner bottom wall of the box respectively. The top of the shockproof plate is fixedly connected with supporting columns arranged equidistantly, and the top of each supporting column is connected with the supporting column. The bottom of the plate is fixedly connected, the top of the support plate is provided with a chute, and the middle of each column is provided with a cylindrical gap, and an air bag is arranged inside each gap, and the end of each air bag away from the support plate is fixedly connected There are inflatable tubes. The liquid crystal television transport packaging box can effectively fix and place liquid crystal televisions of different sizes, avoids collision damage of the liquid crystal television during transportation, has good fixing effect, high protection performance, and good shockproof effect.

The invention discloses a pipe fixing device, comprising a chassis, a first fixed block fixedly arranged on the chassis, a second fixed block and a third fixed block which are fixedly arranged at the two sides of the first fixed block and vertical to the first fixed block and a first screw, a second screw and a third screw which vertically penetrate through the first fixed block, the second fixed block and the third fixed block respectively in a threaded manner, wherein the free end of the first screw is sleeved with the pipe; the free ends of the second screw and the third screw push against the outer wall of the pipe; a rotating block which is positioned on the plane parallel with the first fixed block and can rotate preset angle is arranged on the chassis; and the inner side of the rotating block pushes against the end of the pipe. In the device, by arranging the first screw, the second screw, the third screw and the rotating block, the pipe sleeved on the first screw is fixed in all the directions, and meanwhile, by rotating the rotating block, the pipe is installed and dismantled more conveniently.

The invention relates to the technical field of engineering machinery, and discloses a multifunctional pipeline hanging and fixing system for engineering machinery, which comprises an L-shaped base. The vertical side wall of the base is evenly and fixedly connected with a plurality of partition plates at equal intervals. A plurality of clamping mechanisms are uniformly mounted on the partition plate at equal intervals. The upper end of the base is connected with a side plate through a clamping mechanism. A connecting plate is hinged to the upper end of the side plate. The clamping mechanism comprises a T-shaped sliding groove, two T-shaped sliding blocks, two clamping plates, two arc-shaped clamping grooves and two first springs, the T-shaped sliding groove is formed in the upper end of the base, the T-shaped sliding groove is connected with the two T-shaped sliding blocks in a sliding mode, and the upper ends of the two T-shaped sliding blocks penetrate through groove openings of theT-shaped sliding groove and extend upwards. According to the multifunctional pipeline hanging and fixing system for the engineering machinery, the fixing effect on a pipeline can be better, so that the pipeline is placed in order, and the pipeline can be replaced or maintained conveniently.

The invention relates to a multifunctional intelligent control drawer cabinet. The multifunctional intelligent control drawer cabinet comprises a cabinet body, a supporting frame and a drawer, furthercomprises a slotting for attracting, a permanent magnet sheet, an electromagnet unit, a trigger unit and a drive unit, wherein the slotting for attracting is arranged on the inner side face of the cabinet body, the permanent magnet sheet is arranged on the inner side face of the drawer, the electromagnet unit is arranged on the slotting for attracting and used for fixing the drawer through a modeof magnetic force attracting the permanent magnet sheet, the trigger unit is arranged on the slotting for attracting and used for being communicated with the electromagnet unit through a contact conducting mode, the drive unit is arranged on the slotting for attracting and used for pushing and contacting the trigger unit through a telescopic deformation mode after the drawer is pushed and extruded, and the cabinet body is further provided with a mounting unit used for performing fixing and mounting on table legs. The multifunctional intelligent control drawer cabinet has the advantages that amagnetic force fixing structure is simple and effective, the fixing effect is good after the drawer is pushed, the fixing and mounting operation of the drawer cabinet is convenient and fast, and themounting stability is high.

The invention relates to an intelligently controlled comprehensive drawer cabinet which comprises a cabinet body, a supporting frame arranged in the cabinet body, and drawers arranged on the supporting frame. An attraction slot, permanent magnetic iron sheets, an electromagnet unit, a trigger unit and a driving unit are further included. The attraction slot is formed in the inner side face of thecabinet body, the permanent magnetic iron sheets are arranged on the inner side faces of the drawers, the electromagnet unit is arranged on the attraction slot and attracts the permanent magnetic ironsheets through magnetic force to fix the drawers, the trigger unit is arranged on the attraction slot and is used for being communicated with the electromagnet unit in a contact conduction mode, andthe driving unit is arranged on the attraction slot and is used for pushing and touching the trigger unit through expansion deformation generated after the drawers are pushed. A rolling unit is further arranged on the cabinet body. The intelligently controlled comprehensive drawer cabinet has the advantages that a magnetic fixing structure is simple and effective, the fixing effect is good after the drawers are pushed in, the drawer cabinet is convenient to roll and carry, and a rolling state and a mounting state are convenient to switch.

The invention discloses a drawing board for environmental art design. The drawing board for the environmental art design comprises a base, wherein the left side of the top of the base is fixedly connected with a first box body; a support column is arranged on the right side of the top of the first box body in a penetrating mode; first sliding grooves are formed in the top and the bottom of an inner cavity of the first box body; inner cavities of the first sliding grooves are slidably connected with first sliding blocks; the first sliding blocks are matched with the first sliding grooves; the opposite sides of the two first sliding blocks are fixedly connected with a connecting block; and the right side of the connecting block is fixedly connected with a clamping block. According to the drawing board for the environmental art design, the problems of poor fixing effect and non-adjustable angle of a traditional drawing board are solved through the matching use of the connecting block, theclamping block, a clamping groove, a movable rod, a spring, a pull rod, a pull block, a second box body, a threaded rod, a threaded sleeve, a handle, a supporting rod and a drawing board; and the drawing board for the environmental art design has the advantages of good fixing effect and adjustable angle, improves the drawing efficiency of users, and is worthy of popularization and use.

The invention provides a sliding rail assembling system and a sliding rail assembling method using the same. The sliding rail assembling system comprises a base station, a lifting mechanism, a pressure sensor, a displacement sensor and a controller, wherein stations where automobile sliding rails are placed are arranged on the base station, a punching device is arranged on the lifting mechanism in a matched mode and the lifting mechanism can be controlled to move up and down; the pressure sensor is used for detecting the punching force produced when the punching device works; the displacement sensor is used for detecting the displacement generated when the punching device works; the controller is used for controlling the lifting mechanism to drive the punching device to carry out punching installation on an automobile sliding rail shaft and a supporting piece. According to the sliding rail assembling system and the sliding rail assembling method using the same, due to the fact that the controller controls the lifting mechanism to drive the punching device to carry out punching fixing on the matching position of the sliding rail shaft on the stations of the base station and the supporting piece, the fixing effect is good and cost is low; in addition, due to the fact that the punching force and displacement generated when the punching device works are detected by the arranged displacement sensor and the arranged pressure sensor respectively, the accuracy during the installation of the sliding rail assembling system can be detected.

The invention discloses a solar energy outdoor high-altitude interception apparatus with a power storage function. The solar energy outdoor high-altitude interception apparatus with a power storage function includes an N-shaped support frame, wherein a fixing mechanism is arranged at the lower surface of the N-shaped support frame; a power storage mechanism is arranged in the N-shaped support frame; and the inside of the N-shaped support frame is a hollow structure. The solar energy outdoor high-altitude interception apparatus with a power storage function has the advantages of being convenient to use, being good in the fixing effect, being convenient for fully utilizing solar energy, being convenient for collecting energy, being good in interception effect, and being convenient for implementing antiskid effect.

The invention belongs to the technical field of a packaging box, specifically a packaging box with a shockproof function, comprising a box body, a first air bag and a box cover; the first air bag is fixedly connected with the outer side wall of the box body; an air supply cavity is opened in the left side of the box body; the air supply cavity communicates with the inner space of the first air bag; a group of air inlet holes are formed in the inner wall of the left side of the box body; the air inlet holes communicate with the air supply cavity; ehe box cover is hinged with the top end of theinner wall of the box body; a group of ventilation holes and fixing grooves are arranged on the box cover; the inner wall of the box body is slidingly connected with a first placing plate, a second placing plate and a third placing plate; a first through hole is formed in the first placing plate; a group of grooves are arranged at the bottom of the first placing plate; Through arranging a placingmodule, the packaging box provided by the invention can place eggs into the placing module, so that eggs with different sizes can be applied; a rubber profiling block is arranged, so that the fixing effect is good after the eggs are placed in the placing module, and the invention has a simple structure, convenient operation, wide applicability and good shockproof performance.

The invention discloses a floor grinder for quick replacement of grinding heads, the structure of which comprises a grinding head device, a gear box, a motor, a water tank, a controller, a handle, a connecting plate, a hinged seat, cables, a support frame, a wheel frame, The movable wheel, the axle, and the supporting frame are equipped with a water tank, and the motor is installed in front of the water tank, and the motor is installed above the gear box through bolts. The two sides of the support frame are welded with a wheel frame, the wheel frame is set on one side of the gearbox, the wheel frame is provided with a through hole, the through hole matches the wheel shaft, and the two ends of the wheel shaft run through the wheel frame on both sides of the support frame And it is connected with the moving wheel, and the top of the supporting frame is welded with a hinged seat against the top. The invention is a floor grinder for quickly changing the grinding head, which can be quickly fixed by the block, and the guide post can prevent the blade from rotating, and the fixed Good effect, convenient and quick, improve work efficiency.

The invention discloses an easy-to-pre-maintain LED (light-emitting diode) display screen module structure, comprising a module backboard, wherein the module backboard is fixed with an LED display screen box body, and a PCB (printed circuit board) is fixed on the front end surface of the module backboard; an LED lamp is arranged on the PCB; the easy-to-pre-maintain LED display screen module structure is characterized in that a plurality of accommodating spaces for accommodating magnetic fixing elements are formed in the module backboard; a groove which is used for clamping and limiting is formed in at least one wall surface of each accommodating space; the depth of each groove is 0.1-0.5mm; an insulating layer is also arranged between the module backboard and the PCB. The easy-to-pre-maintain LED display screen module structure has the advantages of being simple, stably fixed with the LED display screen box body, and convenient to install and dismantle.

The invention relates to the technical field of VR spectacles, in particular to a VR spectacle lens cleaning frame capable of achieving drying. The VR spectacle lens cleaning frame comprises a base;a fixing frame is disposed on the left side of the top of the base; an L-shaped plate is disposed on the upper portion of the left side wall of the fixing frame; a first driving motor is installed atthe top of the L-shaped plate; a rotary disc is disposed on the front side of an output shaft of the first driving motor; a pin shaft is disposed in the eccentric position of the rotary disc; the pinshaft is matched with a through groove; the through groove is formed in the middle of a connecting rod; and a rotary block is disposed on the lower portion of the connecting rod. By means of the VR spectacle lens cleaning frame capable of achieving drying, a spectacle lens can be clamped through arc-shaped clamping blocks, the fixing effect is better, the spectacle lens can be effectively prevented from falling off during cleaning, the cleaning effect is better by cleaning the two sides of the lens, the cleaning efficiency is improved, meanwhile through drying treatment for the two sides of the lens, the automation degree is high, the drying efficiency is greatly improved, the drying time is shortened, and the working efficiency is further improved.

The invention belongs to the field of textiles, and particularly relates to a cotton loop-pile carpet. The cotton loop-pile carpet comprises a carpet splicing unit, wherein the carpet splicing unit comprises a base cloth layer, a bonding agent layer and a cotton loop-pile surface layer; the bonding agent layer is formed on the base cloth layer; the cotton loop-pile surface layer is fixed on the base cloth layer through the bonding agent layer. The cotton loop-pile carpet is characterized by further comprising a snap fastener, wherein the snap fastener comprises a secondary fastener and a primary fastener; the carpet splicing unit is spliced with the primary fastener through the secondary fastener. The cotton loop-pile carpet provided by the invention is simple in splicing structure and splicing process, and has a good fixing effect.

The invention relates to the field of tapping machines and discloses a gearbox device of a speed regulating tapping machine. The gearbox device comprises a pull rod. A gearbox main body is arranged atone end of the pull rod, a direct current slotless and brushless main motor is arranged on the outer surface of one end of the gearbox main body, a main shaft sleeve is arranged on the outer surfaceof one end of the direct current slotless and brushless main motor, a spindle is arranged on the inner side of the main shaft sleeve on one end of the direct current slotless and brushless main motor,a body is arranged on the outer side of the main shaft sleeve on one end of the direct current slotless and brushless main motor, and a hand wheel is arranged at the upper end of the body. Accordingto the gearbox device of the speed regulating tapping machine, uneven stress when a pipe clamp is mounted is prevented, and the gearbox device is prevented from swinging during tapping, so that the tapping quality is better, and the gearbox device is simple in field installation, safe and reliable and convenient for operations under a underground tunnel. The service life of the tapping machine canbe prolonged, and the gearbox device can achieve tapping operations on pipelines of various materials, is suitable for tapping the pipelines of various materials in the current market, and is truly multipurpose.

The invention relates to displaying equipment, in particular to textile displaying equipment. The textile displaying equipment is closed, the amount of dropping dust can be reduced, and textile is taken conveniently. The textile displaying equipment comprises supporting columns, a box, a first strut, a rotating ring, a limiting plate, a placement rod and the like; the supporting columns are symmetrically arranged on the bottom of the box in the left-right direction; small holes are uniformly formed in the bottom wall of the box; a glass door is rotatably arranged on the left side of the frontof the box; a pull ring is arranged at the front of the right of the glass door; a second magnet is arranged on the rear side of the right of the glass door; and a first magnet is arranged at the front of the right wall of the box. The textile displaying equipment is closed, the amount of dropping dust can be reduced, the textile is taken conveniently, by the textile displaying equipment, the textile is closed in the box, people watch the textile through the glass door, the displaying effect is achieved, moreover, the amount of dropping dust can be reduced in the box, and by cooperation of theplacement rod, a first groove and the rotating ring, the textile is taken conveniently.

The invention discloses a visibly adjusted high-energy ray detector which comprises a lightproof box body, and a supporting frame, a PMT photoelectric multiplier tube, a horizontal mobile plate and a vertical electric screw rod adjustment frame which are arranged in the lightproof box body, wherein the vertical electric screw rod adjustment frame is arranged on the horizontal mobile plate; a horizontal displacement rod extending out of the back surface of the lightproof box body is arranged at the tail end of the horizontal mobile plate; a horizontal graduated scale parallel to the horizontal displacement rod is arranged on the back surface of the lightproof box body; a vertical displacement rod extending out of the top surface of the lightproof box body is arranged above the vertical electric screw rod adjustment frame; a vertical graduated scale parallel to the vertical displacement rod is arranged on the top surface of the lightproof box body. Due to the mode, the visibly adjusted high-energy ray detector indirectly realizes visible adjustment on the premise of guaranteeing that no light enters the lightproof box body; furthermore, after being adjusted, the visibly adjusted high-energy ray detector is good in fixing effect, and the detection accuracy is improved.

The invention provides a laser head fixing device of a laser cutting machine. The laser head fixing device comprises an installation groove, a two-way motor, a nut seat, a rotary shaft, a supporting rod, a groove, an electric push rod, a cleaning brush and a protective plate. The installation groove is formed in the upper end face of a rack, the two-way motor is fixed to the rear portion of the lower end face of the interior of the installation groove, and the nut seat is installed on the annular side face of a lead screw through a ball nut pair; and according to the design, the functions thatthe fixing effect is good, and disassembly is convenient are achieved. The rotary shaft is installed on the right portion of the upper end face of the interior of the groove through a boss, the supporting rod is connected with the groove through the rotary shaft, and the electric push rod is fixed to the upper end face of the interior of the protective plate; the cleaning brush is connected withthe electric push rod through a connecting rod, the cleaning brush is assembled to the front end of the annular side face of the laser head, and the protective plate is fixed to the lower end of the supporting rod; and according to the design, the functions that the laser head is protected, and cleaning is convenient are achieved. According to the laser head fixing device, using is convenient, thefixing effect is good, disassembly is convenient, the laser head is protected, cleaning is convenient, and the reliability is high.

The invention discloses a friction welding device for an automobile hub. The friction welding device comprises a workbench and a motor, a mounting plate is installed at the upper end of the workbench,and the motor is installed on the left side of the upper end of the mounting plate; a stirring head is arranged on the left side of a scraping piece, an inner threaded hole is located in the middle of the side surface of a movable block, telescopic rods on first hydraulic cylinders penetrate through second vertical plates, a flow dividing block is arranged in the middle of the part between firstclamping plates, and the flow dividing block is fixedly connected with a third vertical plate through a fixing rod; and an air inlet is reserved in the flow dividing block, limiting grooves are reserved on the periphery inside the flow dividing block, moreover, movable rods are installed inside the limiting grooves, and second clamping plates are installed on the outer sides of the movable rods. According to the friction welding device for the automobile hub, when the outer wheel rim of the automobile hub is welded, the automobile hub can be effectively fixed, and molten metal residues on thestirring head can be conveniently cleared.

The invention discloses a novel badminton and a manufacturing method thereof. The novel badminton comprises a badminton head and 16 feathers stably connected with the badminton head, the badminton head comprises a front badminton head and a rear badminton head firmly connected with the front badminton head, 16 through holes are formed in the front badminton head, and the through holes are uniformly distributed at intervals in circumference shape; each feather comprises a feather stem and feather pieces firmly fixed on the feather stem, heads of the feather stems are through inserted in the through holes in the front badminton head, the heads of the feather stems are further provided with a clamp coil for integrating the 16 feathers, and the clamp coil contacts with the surface layer of the front badminton head. The novel badminton has good physical flight characteristics and good durability.

The invention discloses a water-power-engineering big-old-tree transplanting tree-body fixing device and an installing method.The device comprises an upper fixing unit, a lower fixing unit and ground anchors.The upper fixing unit is of an annular structure formed in the mode that a plurality of upper arc lantern rings are connected through upper bolts, and the upper bolts are sleeved with upper pulleys; the lower fixing unit is of an annular structure formed in the mode that a plurality of lower arc lantern rings are connected through lower bolts, and the lower bolts are sleeved with lower pulleys A; lower pulleys B are further arranged on the ground anchors (7), and the upper pulleys, the lower pulleys A and the lower pulleys B are connected through steel wire ropes to form a triangular structure.The installing method includes the steps of fixing unit installing, ground anchor installing, steel wire rope connecting and fixing device tightening.By means of the fixing device and the installing method, a transplanted big-old-tree tree body which has the large indexes such as the breast diameter, the tree height and the tree weight and is difficult to fix through the traditional supporting structure can be fixed, and the fixing device and the installing method have the advantages of being simple in structure, good in fixing effect, capable of being reused and high in adjustable characteristic and practicability.

The invention relates to a compression-resisting sealing flange which is formed by a flange body, reinforcing ribs, bolt holes, a pipeline, a sealing gasket, a sealing groove and an annular groove. The flange body is provided with a plurality of bolt holes evenly distributed. The reinforcing ribs are welded and evenly distributed on the flange body every 90 degrees. The center of the flange body is provided with a pipeline hole. The inner side of the flange body is provided with the annular groove. The end of the flange body is provided with the sealing groove and the sealing gasket. The sealing gasket is made of corrosion resistant materials and is arranged at the end of the flange body and matched with the seal groove formed in the end of the flange body so as to reach a double sealing effect. The upper inner side of the flange body is provided with three annular grooves which are distributed as concentric circles with the pipeline as the center, and the cross section of each annular groove is of an isosceles triangle shape. The seal groove in the flange body is matched with and interacts with the sealing gasket. The flange body is provided with the reinforcing ribs, so operations can be carried out on the condition of high pressure and a good sealing effect is achieved. Consequently, work efficiency is improved, operating cost is reduced, and the compression-resisting sealing flange is applicable to harsh working occasions and is stable in operation, simple in structure and convenient to manufacture.

The invention discloses a soil environment sampling and monitoring device with portable energy, which comprises a bottom shell. Electric push rods are rotationally connected to the left and right sidesurfaces of the bottom shell; the top end of the electric push rod is connected with a top plate, a first bearing is clamped to the top plate, a first rotating shaft is sleeved with the first bearing, the top end of the first rotating shaft is fixedly connected with an output shaft of the motor, two half-threaded pipes are threaded at the bottom end of the first rotating shaft, and half-samplingpipes are fixedly connected to the lower surfaces of the half-threaded pipes; a treatment groove is formed in the upper surface of the bottom shell, a partition plate is arranged in the treatment groove, a water spray nozzle and a stirring blade are arranged on one side of the partition plate, and an electric heating pipe and a baffle are arranged in the other side of the partition plate; a placement groove is formed in the front face of the bottom shell, a water tank is arranged in the bottom shell, and the water pump in the water tank is communicated with the water spray nozzle; and the motor drives the half-sampling pipe to drill into the ground, soil with accurate depth can be obtained, and the sampling tool is simple to clean and convenient to use.

The invention discloses equipment for fixing bars when being cut by saws. The equipment comprises a workbench, rotary shafts, a movable clamping block, a fixing clamping block, a clamping table and a motor. The rotary shafts are rotationally arranged on the workbench, an output end of the motor is connected with the rotary shafts, the clamping table is arranged at the front end of the workbench, a spout is formed on the clamping table, the fixing clamping block is fixed on one side of the clamping table, the movable clamping block is arranged opposite to the fixing clamping block, and the bottom of the movable clamping block is arranged in the spout in a sliding manner; the equipment further comprises a hydraulic cylinder fixed in the spout, and a telescopic end of the hydraulic cylinder is connected with the bottom of the movable clamping block. The equipment for fixing the bars when being cut by saws has the advantages that the equipment can fix the bars well and prevent the bars from moving under cutting force.

The invention discloses an idler wheel limiting device. The idler wheel limiting device comprises a device base, an idler wheel, a chain stopping mechanism, a balancing mechanism and a handle; the bottom of the handle is connected with the chain stopping mechanism through the balancing mechanism, hole shafts are arranged on a left side plate and a right side plate on the device base, and the idlerwheel sleeves the hole shafts; and the top protruding parts of the left side plate and the right side plate are fixedly connected with the left and right sides of the chain stopping mechanism and a left handle and a right handle of the balancing mechanism, and a U-shaped opening knife switch is arranged at the center of the chain stopping mechanism. According to the idler wheel limiting device, chain stopping is easy, the fixing effect is good, the chain-out angle range is wide, and operation is convenient.

The invention discloses a spiral buckle-connected bridge frame and a connecting method thereof. The bridge frame comprises a tank body, and a cover plate covering the tank body, wherein the tank body comprises a tank bottom, tank walls, and bent parts connected to the tank walls and symmetrically arranged, wherein the bent parts are provided with contact ends; and the cover plate is connected with the tank body through spiral buckles fitting the contact ends. The invention further discloses a connecting method of the bridge frame. In the spiral buckle-connected bridge frame and the connecting method thereof, the cover plate is fixed above the tank body through the spiral buckles fitting the contact ends of the bent parts of the tank body, so that the connection of the tank body and the cover plate is difficult to be influenced by external to become loose, the connection is firmer, and the fixing effect is better; and in locking and loosening, the spiral buckles are only required to simply rotate, so that the maintenance is convenient, and the production operation is more convenient.

The invention discloses an automobile ABS magnetoelectric wheel speed sensor, and belongs to the technical field of automobile spare parts. The sensor comprises a fixed plate, and a magnet, a magneticpole and an induction coil are all placed in a sensor body; the bottom of the magnetic pole is placed in a second through hole, so fallen leaves and other impurities are prevented from entering the sensor body to damage the magnet, the magnetic pole and the induction coil, and the gear ring can be accurately measured; and the sensor body is placed in the first through hole and is extruded and fixed by screwing the limiting assembly in the threaded hole, so the sensor body is easy to disassemble, maintain or replace; the height of the sensor body can be adjusted according to the use situation,the anti-falling assembly is arranged to conduct secondary limiting on the sensor body, and when a vehicle jolts in the running process, if the sensor body slides down from the first through hole, secondary limiting can be conducted on the sensor body, so the damage caused by slipping of the first through hole is avoided.