117results about How to "Improve the compaction effect" patented technology

The invention provides a multifunctional digging and tamping machine integrating digging, shoveling, tamping and humidifying. The multifunctional digging and tamping machine comprises a small arm, a large arm and a digging machine body. According to the multifunctional digging and tamping machine integrating digging, shoveling, tamping and humidifying, the high-strength steel bucket is modified and customized, the bottom plate of the bucket is arranged to be a tamping plate, and the attached vibrator is additionally arranged, so that the digging and tamping functions are achieved, the bucket can be rotated by 360 degrees through the top end rotating device to form a bucket, construction at any angle such as front shoveling, side shoveling and inclined shoveling is conducted, and the construction efficiency is improved. A water tank, a water pipe and a spray head are additionally arranged, the water content of backfill soil can be adjusted in time to achieve the optimal tamping effect, well chamber periphery backfill and tamping construction can be conducted, the power of an attached vibrator is large, a hydraulic telescopic rod is convenient to operate, the tamping effect is good, a square tamping plate can conduct all-directional tamping by being attached to the edges and the corners, construction operation is mechanized, time and labor are saved, and the construction efficiency is improved. Construction of four working procedures can be completed at the same time only by one person, a large amount of manpower is saved, the construction quality is improved, and cost reduction and efficiency improvement are achieved.

The invention discloses a high-salinity wastewater treatment process and equipment, and solves the problems that impurities are not easy to self-clean and the blocking probability of a filter plate is still relatively high, the high-salinity wastewater treatment equipment comprises a treatment box, a treatment cavity is formed in the treatment box, the treatment cavity penetrates to the top end of the treatment box, a movable filter assembly is mounted in the treatment cavity, and the movable filter assembly is arranged in the treatment box. The movable filtering assembly comprises a partition plate fixedly mounted in the middle of the inner bottom wall of the treatment cavity, the partition plate divides the treatment cavity into a wastewater storage cavity and an impurity storage cavity, and a driving roller is arranged at the top of one side, away from the wastewater storage cavity, of the impurity storage cavity; according to the sewage treatment device, during working, the inclined filter belt is arranged in the treatment cavity, when wastewater is introduced into the wastewater storage cavity, the wastewater is filtered through the filter holes, the filter holes are uniformly formed in the filter belt, and the filter belt moves continuously, so that the wastewater continuously passes through the upper part of the scraping head while being continuously filtered; impurities attached to the filtering belt are scraped through the scraping head, so that the filtering effect is ensured.

The invention belongs to the technical field of clamps, and discloses a welding clamp and welding equipment. The welding clamp comprises a clamp body, a supporting base, a pressing claw and a clamping and fixing assembly. The clamp body is provided with a clamping station. The supporting seat is fixedly connected to the clamp main body and is provided with a clamping part; the clamping assembly comprises a movable buckle, a transmission shaft and a first elastic fastener, the movable buckle is pivotally connected to the supporting seat through the transmission shaft and is in transmission connection with the pressing claw through the transmission shaft, the movable buckle can be clamped with the clamping part, and the first elastic fastener is arranged between the supporting seat and the pressing claw. When the movable buckle is clamped to the clamping part, the movable buckle can drive the transmission shaft, the pressing claw and the supporting base to be kept in a relatively static state, meanwhile, the first elastic fastener can drive the pressing claw to be stopped at the pressing position, and at the pressing position, the pressing claw can press the part to be welded to the clamping station. By means of the arrangement, the pressing claws can be limited by the first elastic fastener and the transmission shaft at the same time, and the pressing effect and reliability of the pressing claws on the to-be-welded part are improved.

The invention relates to the technical field of cutting-off and polishing equipment, and discloses high-end manufacturing plate cutting-off and polishing equipment which comprises a workbench, the top of the workbench is fixedly connected with a frame, and the workbench is provided with a pushing mechanism. By arranging the support, the moving rod and the disc, an arc-shaped pressing block can be driven to descend to make contact with the top of a plate, the top of the plate is pressed and fixed, by arranging a sleeve, a clamping groove, a second rotating shaft, an arc-shaped clamping block and a torsional spring, the moving rod can be fixed, and therefore pressing is more stable; and by arranging an adjusting bolt and a threaded block, a first spring can be extruded, so that an arc-shaped pressing block is in closer contact with the top of the plate through the elastic force of the first spring, the pressing effect of the arc-shaped pressing block on the top of the plate is improved, the plate is not prone to shaking during polishing, and the polishing effect of the plate is improved.

The utility model discloses a female bag convenient to replace a bag strap, which comprises a female bag and further comprises a bag strap connector, the bag strap connector comprises an insertion box, one side of the insertion box is provided with an insertion slot, a belt is inserted and mounted in the insertion slot, the insertion box is internally provided with an embedding slot, an insertion block is adsorbed and mounted in the insertion box, the insertion box and the insertion block are made of strong magnetic materials, and the insertion box and the insertion block are made of strong magnetic materials. The inserting block is pressed on the surface of the belt, a double-thread screw is installed at the bottom of the inserting box in a screwed mode, and a nut is installed at one end of the double-thread screw in a screwed mode. The inserting box and the inserting block are both of a conical structure, and the edges of the inserting box and the inserting block are provided with arcs. According to the utility model, through the arrangement of the wrapping tape plugging assembly, the wrapping tape of the device is very simple and convenient to plug, replace and install. Compression and fixation can be achieved only by inserting the belt into the insertion box through the insertion groove and then adsorbing and compressing the magnetic insertion block into the caulking groove. In order to improve the pressing effect, the belt can abut against the back face of the inserting block in the mode of screwing the double-thread screw.

The utility model relates to the field of digital punching machines, and discloses an anti-deviation punching device for a digital punching machine, which comprises a punching machine body, a punching table is fixedly connected to the front end of the punching machine body, a mounting frame is arranged on the outer wall of the punching table, and a fixing rod is fixedly connected to the upper end of the mounting frame. A fixing rod is arranged at the upper end of the punching table, two first sliding sleeves are slidably connected to a rod body of the fixing rod, two first springs are arranged on the rod body of the fixing rod in a sleeving mode, a pressing plate is arranged at the upper end of the punching table, two connecting rods are hinged to a plate body of the pressing plate, and the other ends of the connecting rods are hinged to the first sliding sleeves. According to the punching device, under the action of the position adjusting assembly, the mounting frame can move, the pressing plate can be conveniently attached to the surface of a workpiece on the punching table, meanwhile, under the action of the fixing rod, the first sliding sleeve and the first spring, the pressing effect on the workpiece on the surface of the punching table can be improved, and the situation that the workpiece deviates during punching, and the punching quality is affected is prevented.

The invention discloses an adjustable foundation tamping device based on civil construction, and belongs to the technical field of civil construction, the adjustable foundation tamping device comprises a tamping roller rotatably connected to the middle of the bottom of an outer shell, a driving assembly for driving the tamping roller to rotate is arranged on the outer side wall of the driving assembly, and a notch is formed in the side wall of the outer shell in a penetrating manner; a compaction assembly matched with the notch is arranged in the outer shell, and an adjusting assembly communicating with the compaction assembly is arranged at the top end of the outer shell. The multiple side faces of a groove are movably tamped through the compacting assembly, the stability of the two sides of the groove is improved, the collapse problem of the two sides of the groove is avoided, the extending degree of the compacting assembly can be adjusted through the arranged adjusting assembly, the side faces of the groove are tamped in an adjustable mode, the operation mode of tamping the side faces of the groove is flexible and changeable, and the working efficiency is improved. The requirements of grooves with different depths and widths can be quickly met, the comprehensiveness and uniformity of tamping operation are ensured, the project progress is accelerated, the maintenance cost is reduced, and the overall project quality is improved.

The invention relates to a diode structure convenient to weld, which comprises a tube core, a tube shell and two electrodes, the two electrodes are formed on the tube core and extend into the tube shell, and the tube shell comprises a top connecting piece, a middle connecting piece and a bottom connecting piece. Through the cooperative arrangement of the top connecting piece, the middle connecting piece and the bottom connecting piece, a weld joint matched with an electrode can be configured in the tube shell in advance, so that the convenience and the stability of welding and fixing of the diode are improved; by arranging a polymer tackifier when the top connecting piece and the bottom connecting piece are formed, the flowability and compactness of powder can be improved, so that the forming quality and performance of a product are improved; through the arrangement of the top connecting piece and bottom connecting piece forming process, the forming size can be accurately controlled when the top connecting piece and the bottom connecting piece are formed, and the error between the top connecting piece and the bottom connecting piece and the design size is greatly reduced.

The utility model discloses a rotary endoscope tube structure of an endoscope. The endoscope comprises an endoscope base and an endoscope tube, a cavity is formed in the endoscope base, a rotating block is installed in the cavity and rotationally connected with the endoscope base, the endoscope tube is fixed to the rotating block, a first straight gear is fixedly connected to the outer side of the rotating block in a sleeving mode, a side opening is formed in the side wall of the cavity, a second straight gear is installed at the position of the side opening, and the first straight gear is meshed with the second straight gear. One side of the second spur gear is meshed with the first spur gear, the other side of the second spur gear is located outside the mirror base, a handle is further fixed to the mirror base, and the handle is arranged on the side face of the second spur gear. The utility model has the beneficial effects that the observation range is enlarged, so that the internal tissues of the human body can be observed more comprehensively.

The utility model discloses an automobile air conditioner pipeline pressing plate, and relates to the technical field of automobile air conditioners, the automobile air conditioner pipeline pressing plate comprises a pressing pipe, five reinforcing ribs distributed in an annular array are arranged at one end of the pressing pipe in a penetrating mode, the number of the reinforcing ribs is five, the five reinforcing ribs are distributed in the annular array, an anti-skid pad is fixedly arranged on the inner wall of the pressing pipe, and the anti-skid pad is arranged on the inner wall of the pressing pipe. A lower plate is arranged below the pressing pipe, fixing blocks are fixedly arranged at the two ends of the lower plate, fixing plates are fixedly arranged on the two sides of the outer surface of the pressing pipe, studs are jointly inserted into the upper ends of the fixing plates and the upper ends of the fixing blocks, the two fixing blocks are distributed in a mirror image mode, and screw grooves matched with the studs for use are formed in the upper ends of the fixing blocks. According to the automobile air conditioner pipeline pressing plate, the strength of the pressing pipe structure is good, the friction force of the lower end is high, the pipeline is fixed stably and firmly, operation is convenient, the limiting capacity is excellent, the abutting plate on the lower plate makes contact with the pipeline, and the compaction protection capacity on the pipeline is further improved.

The utility model relates to the field of light curing material processing technology discloses a kind of filtering devices of light curing high viscosity monomer, including support base, the top of support base is provided with support plate, the left side of the top of support base is provided with spiral pressurizing mechanism, the spiral pressurizing mechanism is used to spiral pressure filtration high viscosity monomer to improve filtering effect, the right side of the top of support base is provided with collection mechanism, the top of support plate is provided with filtering mechanism, the right side of filtering mechanism is provided with drainage mechanism, the top of filtering mechanism is provided with temperature control heating mechanism. In the utility model, set up spiral pressurizing mechanism, motor drives screw driving rod, screw pressure plate is axially compact to high viscosity material, left and right side ascending assembly provides orientation, solve the problem that high viscosity material is difficult to filter due to poor flowability, improve the compacting effect of light curing high viscosity monomer, improve filtering efficiency and product purity.

According to the spraying dust removal device capable of leveling the land and used for the construction site, a first leveling mechanism and a second leveling mechanism are arranged, the ground is pressed through a pressing roller ring at the tail of a vehicle plate, vibration pressing boxes compact the two sides of the vehicle plate under the action of a vibration motor, and due to the fact that the two ends of the pressing roller ring and the two vibration pressing boxes are staggered in the range, the two sides of the vehicle plate are tightly pressed; therefore, the road surface can be fully leveled, dust in the air is mixed with water and falls on the ground under the action of the fog gun machine in the reciprocating motion process of the tricycle main body, the purpose of road leveling is achieved through the pressing and compacting action of the pressing roller ring and the vibration box, and the problems that an existing fog gun machine can only carry out dust falling treatment on raised dust, and the road surface cannot be leveled easily are effectively solved. The problems that the road cannot be leveled, dust on the road can be raised repeatedly when the engineering vehicle runs, and dust raising cannot be restrained are solved.

The utility model discloses an air conditioner radiator copper pipe cutting machine which comprises a base, a supporting seat arranged on the right side of the upper end of the base, a mounting frame arranged at the upper end of the supporting seat, a protective cover arranged at the upper end of the mounting frame, a cutting blade arranged on the left side of the upper end of the base and a pressing mechanism. The pressing mechanism comprises fixing rods, an adjusting plate and push plates, the adjusting plate is slidably connected with the inner wall of the protective cover, the push plates are arranged on the left side and the right side of the lower end of the adjusting plate correspondingly, adjusting grooves are formed in the middles of the front ends of the push plates correspondingly, and the fixing rods are arranged on the left side and the right side in the protective cover correspondingly; according to the air conditioner radiator copper pipe cutting machine, the problem that air leakage occurs due to the fact that a pipeline of an air cylinder is damaged is solved, the pressing effect on the air conditioner radiator copper pipe is further improved, and the cutting quality of the air conditioner radiator copper pipe is guaranteed.

The utility model relates to the technical field of injection molding machines, in particular to a mold locking mechanism for an injection molding machine. A mold locking mechanism for an injection molding machine comprises a fixed part, a locking part and an injection mold, the injection mold comprises a fixed mold and a movable mold, the locking part is in sliding connection with the fixed part, the outer end of the locking part is rotationally connected with the two sides of the injection mold, a rotating locking table is arranged on one side of the injection mold, and the locking table is arranged on the other side of the injection mold. The bottom surface of the locking table is provided with an arc-shaped clamping section and a clamping inclined surface which is inclined downwards, and the bottom surface of the clamping section is higher than the top of the injection mold. The injection mold is tensioned through the locking part, so that the fixed mold and the movable mold are efficiently extruded, then the injection mold is efficiently extruded and clamped through the locking table, the pressing effect on the injection mold is improved, and liquid leakage and product deformation are avoided.

The invention relates to the technical field of foundation reinforcement, and discloses a foundation reinforcement device and method.The foundation reinforcement device comprises a discharging hopper, supporting frames are fixedly connected to the front side and the rear side of the discharging hopper, a material stirring box is fixedly connected to the upper surface of the discharging hopper, and a feeding frame is fixedly connected to the upper surface of the material stirring box. The stirring plate rotates circumferentially and stirs the sand, the lime and the curing agent in the stirring box, the sand, the lime and the curing agent are fully mixed to form a reinforcing material, then the reinforcing material falls down from the discharging hopper and fills the foundation to reinforce the foundation, and the stirring plate can keep rotating while moving back and forth in a reciprocating mode. And the contact efficiency of the stirring plate with the sand, lime and soil and the curing agent is improved, so that the flowability and uniformity of the sand, lime and soil and the curing agent are improved, the mixing effect of the sand, lime and soil and the curing agent is promoted, and the reinforcing effect of the mixed reinforcing material is better.

The present invention relates to the field of building construction technology, specifically a tamping device for building foundation, comprising a frame, a swing mechanism is arranged on one side of the frame, a tamping mechanism is arranged on the swing mechanism, the tamping mechanism comprises a connecting assembly, a first tamping assembly, a second tamping assembly and a third tamping assembly are arranged on the connecting assembly, the connecting assembly comprises a connecting seat, a rotating shaft is arranged on one side of the connecting seat, a slide groove is provided on the connecting seat, a gear is arranged on the connecting seat, and a tooth tube is slidably connected to the middle of the connecting seat. The beneficial effect of the present invention is that by arranging the connecting assembly, the first tamping plate, the second tamping plate and the third tamping plate can all fit with the ground, ensuring the flatness after tamping, and during the working process, the second tamping plate first pre-tamps the ground and pushes away the gravel on the ground, and then the first tamping plate tamps the ground, and then the third tamping plate tamps the ground again, thereby improving the effect of tamping the foundation.

The table type water purifying and drinking machine comprises a machine body and a raw water tank, the machine body is provided with a water tank base used for bearing the raw water tank and a water path switching assembly used for being in butt joint communication with a water outlet of the raw water tank, the machine body comprises a vertical back plate, and the water tank base has a first installation stroke and a second installation stroke; an included angle is formed between the first mounting stroke and the second mounting stroke; and the water tank seat is mounted on the vertical back plate through the first mounting stroke and the second mounting stroke in sequence, and meanwhile, the waterway switching assembly is downwards pressed on the vertical back plate. According to the table type water purifying and drinking machine, the water tank base can be used for bearing the raw water tank and can also press and fix the water path switching assembly, the effect that one water tank base has multiple functions is achieved, the integration of component functions is improved, structure simplification is facilitated, the accessory cost is saved, the installation firmness of the water path switching assembly on the machine body is guaranteed, and the service life of the water tank base is prolonged. Therefore, the sealing performance of the raw water tank and the waterway switching assembly in the butt-joint communication state is improved, and the water leakage risk is greatly reduced.

The present invention relates to a tobacco shredded mixing device, including an equipment body, wherein the equipment body includes: a shredded mixer, the shredded mixer is arranged on an external fixed surface, and an electric control valve is arranged at the output end of the shredded mixer; a compacting mechanism, the compacting mechanism is arranged at the top of the shredded mixer, and the output end of the compacting mechanism is connected to the input end of the shredded mixer. By setting the compacting mechanism and the material dividing mechanism for use in conjunction, a mechanized automatic quantitative feeding effect is achieved, and the feeding amount is guaranteed to be consistent each time, and there is no need for users to manually quantitatively take tobacco raw materials, thereby reducing manual labor intensity, improving feeding efficiency, and effectively enhancing the practicality of the device; and a mechanized automatic compacting operation of tobacco raw materials is achieved, which will have a faster compacting speed and better compacting effect than the traditional manual compacting operation, and is conducive to improving the subsequent tobacco shredded mixing effect.

This utility model relates to the technical field of soil leveling devices, and in particular to a soil leveling device for landscaping construction. It includes a compaction roller assembly, a control assembly, and a compaction plate assembly. The compaction roller assembly includes a first mounting plate, with a handle fixedly connected to its upper side. In this utility model, through the compaction roller body, compaction plate body, and bulldozing plate, the device can level uneven soil using the bulldozing plate. A pneumatic hammer drives the vertically movable compaction plate body to compact the soil leveled by the bulldozing plate. A drive motor rotates the compaction roller body, allowing the first and second mounting plates to move back and forth. The two compaction roller bodies further compact the soil. This device has a better soil compaction effect and can move stably without creating ruts during movement. It is simple, convenient, time-saving, and labor-saving for operators.

The utility model provides a kind of compaction device for bridge and culvert platform back, including frame body, compaction plate and vibration generating mechanism, compaction plate is slidably installed on frame body along height direction, and vibration generating mechanism is installed on compaction plate;Vibration generating mechanism includes drive source, driving gear, driven gear, pivot and eccentric wheel, drive source is installed on compaction plate, pivot is rotatably connected on compaction plate, driving gear is coaxially fixedly connected with the output end of drive source, driven gear is coaxially fixedly connected on pivot, driving gear is engaged with driven gear, eccentric wheel is eccentrically fixedly connected on pivot.By drive source driving driving gear rotation, driven gear, pivot and eccentric wheel are driven to rotate, and then compaction plate is driven to vibrate strongly to compact ground, compared with the device using gravity to compact has better compaction effect, and the overall volume of device is smaller, and it is convenient to compact bridge platform back and culvert two ends platform back.

A kind of aerospace equipment plate adsorption positioning device, including fixed seat, sucking disc, baffle, control position support rod, connecting rod, bearing plate, press plate, the fixed seat side has suction pipe, suction pipe is connected by pipeline suction pump, the other side of fixed seat has exhaust pipe, exhaust pipe is equipped with control valve, the fixed seat inside has slide, slide is adapted to baffle, baffle is connected slide, baffle slides in slide, baffle two sides have control position support sleeve, the fixed seat outside has installation support sleeve, installation support sleeve has placement groove, placement groove is adapted to rotating sleeve, placement groove is connected rotating sleeve, rotating sleeve outside has worm wheel, rotating sleeve inside is connected control position support rod by screw, screw is connected rotating sleeve, control position support rod in sequence, control position support rod passes through installation support sleeve, rotating sleeve, fixed seat, control position support sleeve in sequence, control position support rod is connected control position support sleeve by screw thread.

The utility model discloses an electrical testing device for metallized film processing, which relates to the technical field of metallized film testing and comprises a base, a support table and a testing mechanism, the testing mechanism comprises a movable seat, and an edge pressing component for fixing a metallized film is arranged outside a mounting column; according to the utility model, through the arrangement of the edge pressing part, when the movable seat carries the mounting column and the probe to slide down as a whole, the pressing plate in the edge pressing part can be in contact with the side edge of the metallized film in advance, and the pressing seat can relatively keep fixed to slide along the outer wall of the mounting column when the movable seat further moves down; the probe penetrates out of the through hole until the probe is in contact with the side edge of the metallized film, and the sliding sheet relatively slides down in the sliding groove and compresses the compression spring to deform, so that the compression effect of the pressing plate on the metallized film is improved by utilizing the elastic force of the compression spring, and the automatic edge pressing effect of the metallized film is realized; the stability of the metallized film in the electrical test is ensured, manual fixing operation is not needed, and the convenience is improved.

The utility model relates to phenolic pressboard clamping technology field especially relates to a kind of quick clamping mechanism of phenolic pressboard annular material, including device seat, the shell is installed on device seat, clamping groove is opened in the shell, clamping plate is movably connected in the clamping groove, mobile block is set on the one end of clamping plate, lower block is movably connected in the clamping plate, synchronous rotating lever is installed in mobile block, the bottom side of synchronous rotating lever is provided with threaded rod, support frame is also installed on the bottom surface of device seat.This scheme, reduce the situation that manual consumption large amount of time is accurately placed in the process of material placement, reduce the possibility that annular object can produce large-scale deformation in clamping process, improve the effect that device is more convenient installation and clamping, also improve the compacting effect to material, can avoid material edge warping in the process of pressing.

The vamp fabric cutting device with the waste collecting structure comprises a supporting table, a cutting table, a right vertical plate and a left vertical plate, a connecting plate is fixed to the front end face of the supporting table, and the tail end of an inclined guide plate penetrates through an opening to reach the interior of a collecting box. The collecting box is installed at the back end of the supporting table, then the inclined material guide plate is fixedly installed at the back end of the cutting table, the inclined material guide plate extends into the collecting box through the opening at the moment, follow-up collecting work is facilitated, the height position of the air box can be adjusted after a third telescopic rod is started to work at the moment, and the working efficiency is improved. Air flow is collected and blown out through the air outlet nozzle, at the moment, cloth waste above the cutting table can be blown, then the cloth waste is collected at the position of the collecting box through the opening, after collection, due to the slope design of the slope block, the cloth is prevented from returning to the plane of the cutting table, and when the waste is blown, the right vertical plate and the left vertical plate achieve the purpose of side edge limiting. And the waste collecting capacity is improved.

The utility model relates to the technical field of machining jigs, and discloses a machining jig applied to a window of a front panel of a water softener, the machining jig comprises a working box, a driving box and a containing table, a threaded rod is installed in the working box, and the outer side wall, close to the bottom end, of an adjusting rod is connected with a buffer spring. Limiting grooves are formed in the front end and the rear end of the working box, then connecting and fixing between a movable block and a vertical plate are completed through connecting columns, then front panel window raw materials are placed on the upper portion of the containing table, and after a telescopic rod is started to work, the height position of a movable plate can be driven to be adjusted; meanwhile, sliding guide work is formed through cooperation of a sliding block and a sliding groove during movement, a pressing plate reaches the position above the front panel window raw material for pressing, buffer springs are correspondingly compressed during pressing, and meanwhile after an adjusting rod is inserted and moved in a movable plate, buffer pressing work is formed; therefore, the overall pressing protection capability is well improved in the working process.

The utility model relates to the technical field of packaging bag production equipment, in particular to a packaging bag edge pressing device with a good compaction effect, which comprises two side plates arranged in bilateral symmetry, two first crimping rollers are rotatably connected to the tops of the two side plates in a front-back symmetry manner, and a second crimping roller is rotatably connected to the middle part between the two side plates; according to the multi-point hot-pressing edge sealing device, the hot-pressing mechanism and the crimping rollers are used in cooperation, hot-pressing edge sealing of a packaging bag is achieved, the number of the crimping rollers is three, therefore, the number of hot-pressing contact points of the hot-pressing mechanism and the packaging bag is three, multi-point hot-pressing edge sealing is achieved, the compaction effect is good, the production efficiency is high, and the production cost is low. And through the arrangement of the flattening mechanism, the packaging bag subjected to hot-pressing edge sealing is flattened, the wrinkling condition is avoided, cooling water is conveyed into the pressing plate through the water pump, and the hot-pressed packaging bag is rapidly cooled through the cooling water.

The utility model relates to the technical field of auxiliary equipment for a dispensing technology, and particularly discloses a positioning tool for dispensing, which comprises a bottom plate, a placing cavity for placing a screen fixed in a screen frame is formed in the bottom plate, a cover plate frame is hinged to one side of the placing cavity, the cover plate frame is in a hollow-out state, and the outer frame length of the cover plate frame is greater than the length of the placing cavity; the inner frame length of the cover plate frame is smaller than the length of the containing cavity and larger than the length of the screen, the outer frame width of the cover plate frame is larger than the width of the containing cavity, and the inner frame width of the cover plate frame is smaller than the width of the containing cavity and larger than the width of the screen. The problems that in the prior art, when a display screen is subjected to adhesive dispensing and fixing, the display screen is positioned and pressed through a positioning component and a pressing component, operation is tedious, and the production cost is high are solved.

The utility model provides a highway tamping device for highway engineering, which relates to the technical field of highway engineering and comprises a main plate, a support is fixed at the top end of the main plate, a hydraulic push rod is mounted at the bottom end of the support, a first pressing plate is fixed at the output end of the hydraulic push rod, and two ends of the first pressing plate are rotatably connected with rotating shafts. A connecting block is fixed to the outer wall of the rotating shaft, and a second pressing plate matched with the first pressing plate is fixed to the end, away from the rotating shaft, of the connecting block. During tamping, a user rotates two rotating shafts to drive two second pressing plates connected with two connecting blocks to rotate, so that the two second pressing plates can expand the pressing area of a first pressing plate, and the effect of improving overall tamping is achieved; water in the water storage tank can enter the communicating pipe and the water outlet pipe through the water inlet pipe and then is atomized and sprayed out through the atomizing nozzles, and water mist dust falling treatment can be conducted on dust generated by tamping.

The utility model belongs to the technical field of roadbed construction, and particularly relates to a multifunctional trolley for treating a new and old combination part of an improved layer of an expressway reorganization and expansion roadbed. The problems that a traditional treatment process for the new and old combination portion of the roadbed improvement layer is large in randomness, low in construction efficiency, large in labor intensity and the like are solved. The bulldozing device is arranged on the front side of the vehicle body; the excess material collecting device is arranged on the front side of the vehicle body and located behind the bulldozing device; the image information acquisition device is arranged behind the excess material collection device; the positioning device is mounted on the vehicle body and is used for positioning the vehicle body; the hydraulic plate compactor device is arranged on the tail side of the vehicle body; and the control system is used for collecting information of the image information collecting device and the positioning device and sending control signals to the bulldozing device, the excess material collecting device and the hydraulic plate compactor device.

The utility model discloses road extension foundation treatment equipment which comprises a base, a support is fixedly connected to the left side of the top of the base, a first air cylinder is fixedly connected to the bottom of the support, a connecting block is fixedly connected to the bottom of the first air cylinder, and fixing plates are fixedly connected to the front side and the rear side of the bottom of the connecting block. A crushing roller is movably connected between the two fixing plates through a bearing, and a first motor is arranged on the front side of the left side of the base. A first air cylinder works to drive a connecting block and all structures on the connecting block to integrally move downwards, so that a first motor works to drive a crushing roller to rotate to crush soil blocks and stones, and a second motor works to drive a rotating disc to rotate; the movable rod and all structures on the movable rod are driven by the limiting rod and the limiting plate to integrally move up and down in a reciprocating mode, the crushed foundation is tamped, the foundation tamping effect is better, and people can conveniently use the foundation tamping device.