28results about How to "Conducive to decentralization" patented technology

The invention discloses a quantitative throwing tool and method for a methane in-situ burning explosion fracturing combustion improver. The throwing tool comprises an inner barrel, a piston B and an outer barrel, the center of the upper end of the inner cylinder is fixedly connected with an air inlet pipeline B, and the bottom is provided with an inner cylinder bottom plate; a spraying hole is formed in the center area of the inner cylinder bottom plate, and a constant pressure plug is installed in the spraying hole. The piston B is assembled in the inner barrel; a plurality of perforations B are formed in the barrel body of the outer barrel, and an outer barrel bottom plate is arranged at the bottom of the outer barrel; the outer cylinder coaxially sleeves the inner cylinder, and the upper end of the outer cylinder is fixedly connected with the upper end of the inner cylinder. The method comprises the steps of installing the bridge plug in the shaft; the putting tool is put down to the position where the reservoir is located through a shaft by using a coiled tubing; a sealed putting section is formed at the position where the putting tool is located through the packer and the bridge plug; and the piston moves downwards until the combustion improver is completely filled into the sealed feeding section. According to the tool and the method, the pre-stored combustion improver can be conveniently and quantitatively put in a specific position.

A combustion improver continuous feeding method for methane in-situ burning explosion fracturing comprises the steps that a fracturing well section is determined, a well is drilled, and a drillable bridge plug is put in; assembling and installing a putting tool; the putting tool is put down, and the oil pipe through pipe and the shaft through pipe are connected in a sealed mode; high-pressure nitrogen is injected through nitrogen injection equipment, and the packer is set; a combustion improver is injected into the gas storage space of the throwing tool main body through the high-pressure hose by using oxygen injection equipment, and oxygen is injected into the sealed target section at a certain initial pressure; nitrogen with increased pressure is used for pushing a piston in the feeding tool main body downwards, so that the residual combustion improver in the gas storage space is discharged; the packing of the combustion improver is completed; finally, plugging the tool and performing compression ignition; according to the method, the continuous throwing of the methane in-situ burning explosion fracturing combustion improver and the packing technology of the combustion improver are combined, the packing problem of the combustion improver during the continuous throwing process of the combustion improver can be effectively solved, and the safety of the continuous conveying of the combustion improver along the way can be obviously improved.

The utility model relates to the technical field of oil extraction and well cementation, in particular to a casing centralizer which comprises a double-bow spring piece and a clamping device, and the clamping device comprises a pressing ring and a cover plate. The pressing rings are semicircular rings, lug plates are arranged on the two sides of each pressing ring, threaded holes are formed in the lug plates, and locking bolts penetrate through the threaded holes to connect the two pressing rings. The pressing ring is connected with the cover plate, mounting grooves are formed in the inner sides of the pressing ring and the cover plate, and spring clamping blocks are mounted in the mounting grooves; a circular groove is formed in the arched part of the double-bow spring piece, and a roller is arranged in the circular groove. According to the utility model, the rollers are arranged on the double-bow spring piece, so that direct friction with the well wall is avoided, and the service life of the device is prolonged; and sliding friction between the original casing centralizer and the well wall is changed into rolling friction, so that the casing can be put down conveniently. The semi-circular ring pressing rings are arranged at the two ends of the novel casing centralizer, the novel casing centralizer is clamped on a casing through the locking bolts and the spring clamping blocks, and due to the compressibility of the spring clamping blocks, the novel casing centralizer can be applied to casings of different specifications and sizes.

The invention discloses an underground water level flow monitoring device which comprises a hollow exploring tube, a limiting ring, a fastening screw, a supporting rod, a limiting supporting plate, a rolling motor, a rolling wheel, a limiting hole, a traction rope, a mounting frame, a solid lead block and a mesh laser transmitter, and the limiting ring is detachably fixed to the upper end of the hollow exploring tube through the fastening screw; a supporting rod is fixedly welded to the limiting ring, a limiting supporting plate is fixedly welded to the upper end of the supporting rod, a rolling-down motor arranged in the horizontal direction is fixed to the limiting supporting plate, a rolling-up wheel is coaxially fixed to the output end of the rolling-down motor, a traction rope is arranged on the rolling-up wheel, and a mounting frame is connected to the lower end of the traction rope. A mesh laser transmitter is fixed to the lower end of the mounting frame, and a solid lead block is fixed to the upper end of the mounting frame. The underground water level flow monitoring device has the beneficial effect of realizing convenient and efficient underground water level flow monitoring.

The application relates to the technical field of building construction, in particular to a quick-mounting type hanging rope fixing device and a use method thereof in building structure demolition, which comprises a hanging rope, a fixing seat, a rotating part, a moving part, an extension part and a blocking column, the lower end of the hanging rope is horizontally provided with a horizontal hole for placing the blocking column, the upper end of the fixing seat is fixedly connected with the bottom of the hanging rope, the rotating part comprises a rotating plate and a first motor, a first rotating shaft is fixedly connected with the output shaft of the first motor, the rotating plate is arranged on the fixing seat, the rotating plate is key-connected with the first rotating shaft, the moving part comprises a bottom plate and a moving plate which are horizontally arranged, the moving plate is slidingly connected with the bottom plate, a second motor for driving the moving plate to slide is fixedly connected with the bottom plate, the extension part comprises an electric telescopic rod which is vertically arranged, the upper end of the electric telescopic rod is fixedly connected with the moving plate, the lower end of the electric telescopic rod is fixedly connected with a baffle, and the blocking column is vertically arranged and connected with the baffle. The scheme can automatically and quickly fix the hanging rope with the floor, improves the demolition progress and avoids accidents.

The invention relates to a bearing bush grinding device of a crankshaft grinding machine, and belongs to the technical field of automobile engine crankshaft machining equipment. Comprising a tailstock, a pressing mechanism, a grinding rod, a headstock tip, a speed reducer, a motor, an electric control mechanism, a plurality of connecting pieces and a bottom plate, the tailstock, the pressing mechanism and the speed reducer are all installed on the bottom plate, the motor is connected with the speed reducer, and the two ends of the headstock center are connected with the output end of the speed reducer and one end of the grinding rod in a one-to-one correspondence mode through the connecting pieces. The tailstock is connected with the end, away from the headstock tip, of the grinding rod, and a crankshaft grinding machine bearing bush is detachably installed on the pressing mechanism and abuts against the circumferential face of the grinding rod under the downward pressing effect of the pressing mechanism. The crankshaft grinding machine bearing bush grinding device is beneficial to automatic grinding of crankshaft grinding machine bearing bushes, good in crankshaft grinding machine bearing bush grinding quality, high in efficiency, low in labor intensity of operators, high in practicability and suitable for being used and popularized in large-scale industrial production.

The present invention discloses a man-made bored pile transport derrick, comprising four sets of telescopic legs, a conveying platform and a derrick body, a crossbeam is movably placed on the top of the telescopic legs, and a connecting rod is installed between the two ends of the crossbeam, a mounting platform is slidably connected to the surface of the crossbeam, a power box is installed on the top of the mounting platform, and a locking platform is arranged inside the power box, three motors are fixedly installed on one side of the locking platform, and a winding roller is installed on one end of the motor transmission shaft, a bearing seat is arranged on one side of the winding roller, and a cable is wound in the middle of the winding roller, lighting lamp bodies are installed on both sides of the mounting platform, and a wireless communicator is also installed on one side of the mounting platform, and a control mainboard is installed on one side of the mounting platform. The device has a simple and reasonable structural design, is easy to operate, is easy to disassemble and adjust, saves time and effort, has multiple functions, is safe and stable, has a wide range of applications, and is conducive to promotion and popularization.

This invention belongs to the field of seawater monitoring technology, specifically a UAV seawater sampling device with multi-point separation function. Addressing the issue that the inability to separate water samples after sampling prevents multi-point sampling in different areas and necessitates repeated trips, this invention proposes the following solution: a base box with an internally fixed base having four equidistant annular mounting slots. This invention discloses a UAV seawater sampling device with multi-point separation function that can separate and store seawater samples from different areas, enabling multi-point sampling in different regions without repeated trips. Multiple sample storage tubes are installed in an annular and outward-expanding manner, maintaining the base box's center of gravity after sampling (increasing overall weight), ensuring the stability of the UAV flight operation, and preventing the sampled seawater from being concentrated in a single location, causing a shift in the UAV's center of gravity and affecting its flight performance.

The invention discloses a sampling device. The sampling device comprises a sampling box, a supporting part and a swinging part, the supporting piece is connected to the sampling box in an up-down moving manner; the swinging part is connected to the side surface of the supporting part in a turnover manner, and the swinging part is used for turning over towards the supporting surface to be unfolded when the sampling box moves downwards relative to the supporting part, and is used for abutting against the supporting surface, so that side surface support is provided for the supporting part and the sampling box, and the standing stability of the sampling box on the sampling surface of the seabed settled layer is enhanced; the sampling box on the sampling surface is prevented from rolling over or toppling over, so that the sampling success rate can be improved. When the sampling box and the supporting piece together fall down in seawater, the swinging piece can be close to the side wall of the supporting piece to be folded, so that the water resistance of the sampling device can be reduced, and the sampling device can be lowered. The invention is applied to the technical field of seabed sampling.

The utility model provides a critical patient transfer bed which comprises a bed body, a support is fixedly installed on the bottom side of the bed body, and trundles are fixedly installed on the bottom side of the support. The rotatable protection assemblies are mounted on the front side and the rear side of the bed body; the placing assembly is installed on the side surface of the left end of the bed body, and the placing assembly is used for placing an oxygen bottle, a breathing machine, an oximeter, a micro pump and other medical instruments needed in the transferring process. The rotatable protection assembly is used for protection, the risk that a patient falls off a bed is reduced, the protection assembly is fixed through the locking part, under the action of the locking part, on one hand, the guardrail can be well and fixedly installed on one side of the bed body when the guardrail is used or not used, the shaking condition is avoided, and on the other hand, the protection assembly is convenient to use. And a user can conveniently protect and lower the guardrail, and the operation is relatively simple.

The present invention belongs to the technical field of railway line rail collection and unloading, and discloses a semi-axle frame type bogie for railway rail-changing vehicles and a railway rail-changing vehicle. The semi-axle frame type bogie for railway rail-changing vehicles comprises a frame mechanism, a wheel axle mechanism, a pillow beam mechanism, a center plate mechanism, a side bearing mechanism and a braking device. The frame mechanism comprises a wheel axle main frame and a connecting cylinder. The wheel axle main frame is a front-to-back symmetrical structure as a whole, and the front and rear ends are sequentially provided with wheel axle mounting through holes, connecting cylinder mounting holes for corresponding insertion and installation of the two ends of the connecting cylinder, and rubber spring placement grooves with rubber springs installed toward the center line of the wheel axle main frame. The connecting cylinder mounting holes are higher than the wheel axle mounting through holes and the rubber spring placement grooves. The wheel axle mechanism comprises bearings, axles and wheels. The present invention also discloses a railway rail-changing vehicle, comprising a vehicle body and the semi-axle frame type bogie. The present invention has the advantages of being applicable to two rail collection and unloading operation modes, lateral and centering, having a wide range of use, and having a structural strength that meets operation requirements.

The utility model discloses a roll changing device of a calender, which belongs to the technical field of roll changing devices and comprises a frame body and a height adjusting mechanism, movable plates are movably embedded in the inner walls of the two sides of the frame body, a mounting frame is fixedly mounted between the outer walls of the two movable plates, and a mounting shaft is fixedly connected between the inner walls of the two sides of the mounting frame. The frame body supports the mounting frame and the arc-shaped bracket, the calender rotating roller is conveniently lifted through the arc-shaped bracket on the mounting frame, the arc-shaped bracket is rotationally mounted on the mounting frame through the mounting shaft, overturning storage of the arc-shaped bracket is facilitated, and the hydraulic cylinder conveniently drives the cross column and a surface chain wheel of the cross column to ascend and descend. Due to the fact that the two ends of the chain are connected with the installation frame and the fixing plate respectively, the installation frame can be conveniently driven to ascend and descend, the calender roller can be conveniently lifted or lowered, the movable plate slides on the inner walls of the two sides of the frame body, the lifting stability of the installation frame is improved, negative effects caused by manual roller replacement are avoided, and the roller replacement efficiency and safety of the calender are improved.

The invention relates to a hydraulic lifting device for the smelting industry, and belongs to the field of metallurgy. Comprising a power mechanism, a hydraulic oil cylinder, a shear fork type lifting mechanism, two cathode plate hanging mechanisms, a mounting frame, two active driving mechanisms, two driven driving mechanisms and two anti-deviation mechanisms, the two cathode plate hanging mechanisms are arranged below the scissor-type lifting mechanism side by side and detachably connected with the cathode plates, the scissor-type lifting mechanism is mounted on the mounting frame and connected with the hydraulic oil cylinder, and the power mechanism is mounted on the mounting frame and connected with the hydraulic oil cylinder. The driving driving mechanism and the driven driving mechanisms are arranged at the two ends of the mounting frame respectively and are in sliding connection with the displacement track, and the two deviation preventing mechanisms are mounted on the two driven driving mechanisms in a one-to-one correspondence mode and are in rolling connection with the displacement track. Compared with worm and gear mechanical transmission in the prior art, abrasion is small, the service life is longer, and the use cost is lower.

The invention discloses a sleeve-type underwater pile positioning frame device with auxiliary piles and a construction method. The pile positioning frame includes an intermediate sleeve, which is an upright hollow cylinder structure for sleeve connection with the auxiliary piles; a positioning frame connected to the outer periphery of the bottom end of the intermediate sleeve; an engineering pile sleeve, which has at least three and is connected to the positioning frame, and has a columnar space for inserting the engineering piles, and the geometric centers of at least three engineering pile sleeves are located on the axis of the intermediate sleeve; a leveling device, which is arranged in multiple groups along the axial direction of the intermediate sleeve, and each group of leveling devices includes multiple leveling oil cylinders uniformly arranged on the peripheral wall of the intermediate sleeve along the circumference of the auxiliary piles; the fixed ends of the multiple leveling oil cylinders are fixed to the intermediate sleeve, and the telescopic ends act on the auxiliary piles in the intermediate sleeve. This sleeve-type underwater pile positioning frame device has a light structure, low requirements on ship machinery and equipment, low construction difficulty, and high leveling accuracy of the pile positioning frame, and can be applied to the pile construction of the positioning frame foundation in deeper sea areas.

The invention discloses a reef explosion method for underwater karst cave geology, which comprises the following steps of: S1, lowering a drilling sleeve, so that the drilling sleeve is in contact with the surface of rock; s2, a drill rod is put down, and the drill rod drills the rock till the set depth is reached; s3, releasing the connection between the drilling machine and the drilling rod; s4, putting a chemical feeding sleeve between the drill rod and the drill hole sleeve; s5, the drill rod is connected with the drilling machine, and the drill rod is lifted; s6, the explosive is put down through the explosive feeding sleeve; and S7, the drilling casing pipe and the chemical feeding casing pipe are lifted, and blasting is carried out. When drilling is completed, connection between the drill rod and the drilling machine is removed, the drill rod serves as a guide rod for lowering of the chemical feeding sleeve, the chemical feeding sleeve can be conveniently inserted into a hole below a karst cave, the drilling sleeve can limit the drill rod, the possibility that the drill rod topples over is avoided, and the drilling diameter of the drill rod is generally larger than the diameter of a drill bit. A certain gap exists between the drill bit and the hole, the chemical feeding sleeve is placed through the gap, and accurate placing of the chemical feeding sleeve can be achieved without increasing cost.

The invention discloses a vibration auxiliary device applied to a bridge pier column, and relates to the technical field of concrete vibration, the vibration auxiliary device comprises a guide mechanism used for guiding a vibration device to be inserted into a bottom layer and a recording assembly used for feeding back vibration time and vibration conditions, the guide mechanism comprises a hose, a hoop and a fixing plate, the head ends and the tail ends of the multiple hoses are connected with one another, the hoses formed through connection form a set, at least one set of hoses is included, and the hoses are arranged in an array mode. The clamping hoops are fixed to the joints of the hoses, the multiple fixing plates are arranged, every two fixing plates form a group, the fixing plates are transversely erected on the formwork, the hoses are located between the two fixing plates and abut against the two fixing plates, and the vibrating device is located on the two fixing plates. The vibrating device has the effect that the vibrating device can be conveniently and directly inserted into the bottom layer of the area needing to be vibrated.

The invention discloses a hanging type cathode protection detection device for an underwater steel structure, which comprises a cathode protection detector, a hanging type connecting line, a packaging shell and an electromagnetic positioning module, and is characterized in that a detection probe of the cathode protection detector is mounted in the packaging shell, and a detection part of the detection probe is exposed outside the packaging shell; the hanging type connecting line is connected with the packaging shell and provided with a fixing part used for being fixed to the position above the water surface, the electromagnetic positioning module comprises an electromagnetic control switch and an electromagnetic adsorption part, the electromagnetic adsorption part is installed on the outer wall face of the packaging shell, and the electromagnetic control switch is connected with the electromagnetic adsorption part through the hanging type connecting line. Controllable adsorption and separation of the electromagnet ball and the underwater steel structure are achieved by controlling magnetic changes of the electromagnet ball, when the potential of the underwater steel structure is detected, adsorption of the electromagnet ball and the underwater steel structure is limited by the length of the insulating protection pipe, it is ensured that the distance is controllable and not affected by the ocean current effect, and the detection accuracy is improved. And the detection precision of the cathode protection potential of the underwater steel structure is improved.

The invention relates to the technical field of PCBA board detection, and discloses a detection device for PCBA boards, which has the function of quickly realizing the sorting and collection of different PCBA boards according to detection results, and comprises a PCBA board detection machine, a plate turning machine, a clamping plate mechanism, a belt conveyor, and a transmission mechanism; the PCBA board detection machine has two cameras to sequentially take photos and detect the front and back sides of the PCBA board; four belt conveyors are provided and are sequentially arranged from bottom to top; each belt conveyor is provided with a transmission mechanism on both sides above the conveying direction thereof, the transmission mechanism is connected with the clamping plate mechanism in transmission, and when the clamping plate mechanism moves vertically upward, the transmission mechanism moves horizontally toward a C-shaped frame; the device has the function of quickly realizing the sorting and collection of different PCBA boards according to different detection results, effectively improves the detection and sorting efficiency of the PCBA board, and brings convenience to the subsequent PCBA board maintenance operation.

The present application discloses a liftable aerator, which belongs to the technical field of aerators. It comprises: an aeration assembly, which is arranged inside the aeration well, and the aeration assembly comprises a wedge block A and a vertical rod, and the vertical rod is fixedly arranged inside the aeration well and used to limit the movement of the aeration assembly; a lifting assembly, which is arranged on both sides of the top of the aeration well through the well top platform, and the lifting assembly comprises a pull rope for lifting the aeration assembly; the present application adopts a pull rope to pull the aeration assembly up and down along the vertical rod, so that the aeration assembly remains stable during the lifting process, and when the aeration assembly rises to a certain height, the wedge block A is driven to automatically engage with the wedge block B, so as to reinforce the aeration assembly lifted to the top, so as to effectively solve the problem that the aerator is not stable enough during and after the lifting process, which is not conducive to the safe maintenance work, and thus realizes that the aerator is in a stable state during and after the lifting process to ensure the safe maintenance work.

The invention discloses a transformation-free wind driven generator tower mounting method which comprises the following steps: S1, fixedly mounting first guide pieces on the inner sides of a plurality of groups of annularly distributed screw rods, controlling a bottom port of a tower to be aligned with the first guide pieces by using a crane, and primarily positioning the tower; and S2, a second guide piece is fixedly installed at the top end of the screw, the crane is used for controlling the tower drum to be further lowered, and the tower drum is accurately positioned. According to the method, the first guiding piece is designed, the tower drum is preliminarily positioned, then the second guiding piece is fixedly installed at the top end of the screw rod, and the tower drum is accurately positioned, through the two-step positioning, installation of the tower drum can be efficiently and stably completed, the flange of the tower drum does not need to be transformed, and therefore the influence of transformation on the tower drum is completely avoided.

The utility model relates to the technical field of pipe processing, and discloses an automatic feeding mechanism for pipe processing, which comprises a control frame and a feeding frame, one side of the feeding frame is fixedly connected with a support, the top of the support is fixedly connected with a vertical plate, one side of the vertical plate is fixedly connected with a material storage box, the bottom of the material storage box is provided with an opening, and the control frame is fixedly connected with the control frame. And the inner wall of the opening is fixedly connected with a connecting frame, the inner wall of the connecting frame is rotationally connected with a discharging plate, and the top of the storage box is fixedly connected with a motor. The pipe feeding device has the following advantages and effects that the discharging opening is formed in one side of the vertical plate, so that a worker can conveniently put pipes in, the worker drives the motor to control the rotating frame to rotate, the pull rope is controlled to be put down and rolled up through rotation of the rotating frame, the pull rope can conveniently penetrate through the penetrating hole, and the discharging plate is controlled to be opened and the pull rope is controlled to be rolled up through putting down of the pull rope; and therefore, the discharging of the materials can be conveniently controlled, and the working efficiency of the whole device is improved.

The application discloses a large glass fiber reinforced plastic cylinder forming die and a rolling method, and relates to the glass fiber reinforced plastic forming technical field.The forming die comprises a die support, a fixed die, a sliding die and an adjusting device.The fixed die is fixed on the die support, and the fixed die has an arc-shaped concave first contact surface; the sliding die is arranged on the die support and is symmetrically arranged with the fixed die, and the sliding die has an arc-shaped concave second contact surface; and the first contact surface and the second contact surface jointly enclose a circular-arc-shaped die cavity; and the adjusting device is arranged between the sliding die and the die support to adjust the distance between the fixed die and the sliding die.The large glass fiber reinforced plastic cylinder forming die and the rolling method can adjust the size of the die, are suitable for the production of glass fiber reinforced plastic cylinders of various specifications, and have high utilization.

The utility model discloses a cable well descending anti-scraping device which comprises a pulley assembly suspended at the edge position of a circular well mouth and used for conveying a cable into the well mouth; the two fixing assemblies are symmetrically fixed to the two sides of the circular wellhead; the long screw penetrates through the pulley assembly and the fixing assembly and is used for fixing the position of the pulley assembly, the pulley assembly comprises three pairs of protective plates, a rotatable pulley is arranged between each pair of protective plates, the adjacent protective plates are rotationally connected through a pin shaft, a U-shaped plate is arranged between the bottoms of the protective plates located at the two ends, and the U-shaped plate is connected with the pulley. According to the device for preventing the cable from being scratched in the well, the pulley is fixed aiming at a circular well opening, the pulley is prevented from moving when the cable is placed in the cable well, the cable laying efficiency is guaranteed, and the use convenience is improved.

The application provides a foundation soil dynamic characteristic test system and method, which comprises an assembly shell, the cross section of the assembly shell is in the shape of a V, a walking assembly is installed at the lower end of the assembly shell, two groups of symmetrically arranged placing racks are installed at the top of the assembly shell, a battery pack is installed at the inner side of the placing rack, a bearing plate is installed between the two groups of placing racks, an electric hoist is installed below the bearing plate, the electric hoist is connected with the bearing plate through a support, a hollow limiting seat is arranged below the bearing plate, a block is arranged in the hollow limiting seat, an exciter is arranged above the block and connected with the exciter through a connecting assembly, a connecting frame is installed on the block, a connecting hook is installed on the connecting frame, the assembly shell can integrate multiple devices and provide protection for the devices, so that the devices have the effects of rainproof, sunproof, moistureproof and the like, the outdoor test conditions are met, and the assembly shell is moved conveniently through the cooperation of the walking assembly and the assembly shell.

The utility model discloses a testing device for a drill hole water injection test. The testing device comprises a filter floral tube, a water stop plug, a water injection tube, water supply equipment and an air supply device, the filter floral tube is accommodated in the test section at the lower part of the drill hole and is communicated with the water supply equipment through a water injection pipe and a water stop plug pipeline; and the air supply device is communicated with the water stop plug through an air path. The air pressure type water stop plug is used for stopping water, a sleeve does not need to be inserted into a drill hole, the accuracy of an experiment result is guaranteed while the experiment workload is reduced, the filter floral tube is arranged in the test section, collapse of the test section in the water injection process can be prevented, meanwhile, the pressure measuring tube is arranged, the water level change in the test section can be accurately measured, and the test efficiency and precision are improved.

The invention relates to a reciprocating peeling test device for crushed corn ear kernels, and aims to collect various parameters in a reciprocating corn threshing process so as to optimize a reciprocating corn threshing device and improve threshing efficiency and quality. The device comprises a clamping power assembly, a sliding rail tray assembly and a base assembly. The clamping power assembly comprises a clamping mechanism and a power assembly, the clamping mechanism adopts rubber conical surface side plates and bottom plates, so that the friction force between the clamping mechanism and the crushed corn ears can be increased, the clamping is more stable, and meanwhile, the number of the rubber conical surface bottom plates can be adjusted according to the sizes of the crushed corn ears; inner and outer adjusting discs are used in the power assembly to adjust the shaking amplitude, operation is easy, and the adjusting range is large; the slide rail tray assembly adopts a cutter with a slide rail, so that the switching of two different test modes of fixing the relative position between a cutter head and the corn kernels and applying constant external force on the surfaces of the corn kernels by the cutter head can be realized. The design is beneficial to reducing labor force and improving the accuracy of test data.

The lamp tube system comprises a fixing plate, a plurality of pull rods, two lamp tubes and a temperature sensor, the pull rods are divided into two groups and are distributed on the two sides of the fixing plate, each lamp tube is connected to the fixing plate through one group of pull rods, the lamp tube system can be in a frame shape or approximately in a frame shape, and under the condition, the lamp tube system can be in a frame shape or an approximately frame shape. In the using process of the lamp tube system, the fixing plate can be connected to the glass hot bending machine, the lamp tube can be put down into the glass hot bending machine conveniently, when the lamp tube system needs to be maintained, the lamp tube can be driven to ascend by lifting the fixing plate, and maintenance of the lamp tube is facilitated. Furthermore, the lamp tube system comprises a temperature sensor arranged between two lamp tubes, and when a plurality of lamp tube systems are applied to the glass hot bending machine, each lamp tube system comprises the temperature sensor, so that the temperature near all the lamp tubes can be obtained, and the hot bending control of the glass can be more accurate.

The utility model relates to the technical field of building construction, and disclose a cast -in -place pipe gallery bottom plate anti -floating anchor rod's pre -buried fixed structure. This cast -in -place pipe gallery bottom plate anti -floating anchor rod's pre -buried fixed structure, including pre -buried pipe, the top fixed connection of pre -buried pipe has the cone head socket tube that adapts to anchor rod reinforcement, the top of cone head socket tube is established to have the contraction gap that is annular array distribution and extends downward, the outside of cone head socket tube is connected with the cone head nut that adapts to anchor rod reinforcement and adapts to its upper end with screw thread, the inside of pre -buried pipe is established to have the receiving hole that is vertical equidistance distribution and extends to its left and right side, the device has the advantages such as the mechanical bite force of reinforcing anchor rod and concrete, the installation operation of convenient and reliable locking mechanism, solveed the problem that the conventional anchor rod only relies on the cohesive force between steel bar and grouting body to resist the pullout force, and under the long -term groundwater buoyancy effect, prone to slippage phenomenon.