431results about How to "Quick installation and removal" patented technology

The utility model relates to the field of handrail linking, and discloses an engineering construction handrail quick linking device which comprises a handrail body and a base, a threaded groove is formed in one side of the interior of the base, a bolt is in threaded connection with one side of the interior of the threaded groove, and a mounting block is fixedly connected to the upper surface of the base through the bolt; the mounting block is fixedly connected with the base through a bolt at the bottom, a connecting block at the bottom of the fixing block is inserted into a mounting groove in the top of the mounting block, and meanwhile, a pressing ejector rod slides downwards along the inner wall of a limiting groove; and a fixing hole in the bottom of the fixing block is rotated to the position aligned with the ejector rod, the ejector rod is pushed to move upwards through elastic potential energy generated by compressing a second spring, then the ejector rod moves into the fixing hole, and therefore the fixing block and the mounting block are mounted and connected, and the mounting efficiency of workers is improved. And the working intensity during installation is reduced.

The invention relates to the technical field of generators, in particular to a vortex-free air cooling mechanism for a generator, which comprises an air cooling device body, an air supply cylinder is fixedly arranged on the air cooling device body, an air cylinder ring plate is fixedly arranged at the cylinder opening of the air supply cylinder, and a supporting bottom frame is fixedly arranged at the lower end of the air cooling device body. A threaded matching rod is fixedly arranged on the inner side of the supporting bottom frame, a matching top disc is fixedly arranged at the upper end of the threaded matching rod, an inserting movable hole is formed in the matching top disc, and when the air cooling device body is installed, positioning of the air cooling device body is achieved through matching of the supporting bottom frame and the positioning installation frame; and then the air supply barrel and the air inlet connecting pipe can be connected in a sealed mode by rotating the rotary driving ring, meanwhile, the air cooling device body can be fixedly installed on the generator body, two purposes are achieved, the air cooling device is very convenient and rapid to use, the air cooling device body can be rapidly assembled and disassembled, and working of workers is facilitated.

The utility model belongs to the technical field of towel cloth production, and particularly discloses antiviral towel cloth continuous production equipment which comprises a box body, two first guide rollers are arranged at the top of the box body, a dipping tank is formed in the box body, dipping liquid is filled in the dipping tank, and the dipping liquid is filled in the box body. A second guide roller is rotationally connected to the inner wall of the dipping tank, and the two first guide rollers are symmetrically distributed with the second guide roller as the center; the extrusion assembly is arranged at the top of the box body; the squeezing assembly is arranged to squeeze towel cloth subjected to dipping treatment when the towel cloth passes, excessive dipping liquid adsorbed by the towel cloth is squeezed and discharged, waste of water resources is reduced, the production cost is reduced, meanwhile, through the arrangement of the through hole, the dipping liquid squeezed out of the contact face of the guide ring can be rapidly discharged, the situation that the towel cloth is adsorbed again is reduced, and the service life of the towel cloth is prolonged. And the extruded impregnation liquid can be guided back into the impregnation tank for reuse.

The utility model relates to the technical field of earphones, and discloses an ear-hanging type earphone which comprises an earphone body, one side of the earphone body is fixedly connected with a connecting seat, the interior of the connecting seat is slidably connected with a first limiting plate, the top of the first limiting plate is fixedly connected with a limiting column, and the outer wall of the limiting column is slidably connected to the interior of the connecting seat. A supporting assembly is arranged in the connecting base, a connecting sleeve is slidably connected to the outer wall of the connecting base, a groove is formed in the connecting sleeve, the outer wall of the limiting column is embedded in the groove, and an earplug is fixedly connected to one end of the connecting sleeve. According to the utility model, through the cooperation of the connecting seat, the connecting sleeve, the limiting column, the limiting plate I and the spring, the effect of connecting the earplugs through the limiting column is achieved, the problem that the earplugs are embedded in the groove of the earphone body only through the elasticity of the earplug body during installation is solved, and the practicability of the ear-hanging type earphone is improved.

The utility model relates to the technical field of slitting mechanisms of packaging machines, and discloses a slitting mechanism which comprises a slitting roller and a connecting roller, penetrating holes are formed in the exteriors of the slitting roller and the connecting roller, the slitting roller is sleeved with a blade and a fixing ring, the blade and the fixing ring are fixedly connected through a fixing bolt, the connecting roller is sleeved with a slitting ring seat, and the slitting ring seat is fixedly connected with the connecting roller through a fixing bolt. Guide columns are fixedly installed in the slitting roller and the connecting roller, telescopic columns are annularly and fixedly installed outside the guide columns, arc-shaped electromagnetic chucks are fixedly installed at one ends of the telescopic columns, an auxiliary assembly is arranged above the slitting roller, and the portions, close to the ends, of the outer portions of the slitting roller and the connecting roller are sleeved with bearing rings. The arc-shaped electromagnetic suction cup penetrates through the outer portion of the through hole, and the arc-shaped electromagnetic suction cup is attracted to the fixing ring and the slitting ring base after being powered on. According to the slitting mechanism of the packaging machine, the cutter can be conveniently mounted and dismounted.

The utility model relates to the technical field of control cabinets, in particular to an intelligent power supply control cabinet, which comprises a cabinet body, one side of the cabinet body is provided with an air inlet groove, and the other side of the cabinet body is provided with uniformly distributed air exhaust grooves; the heat dissipation mechanism is arranged on one side of the cabinet body, and the heat dissipation mechanism can utilize airflow to dissipate heat in the cabinet body; the auxiliary mechanism is arranged in the heat dissipation mechanism; the auxiliary mechanism is arranged so that the heat dissipation mechanism can be dried by using an allochroic silicagel desiccant in the process of introducing airflow into the heat dissipation mechanism, moisture introduced into the cabinet body is reduced, and the influence of the moisture on elements in the cabinet body can be avoided in the good heat dissipation process. Meanwhile, noise generated by friction in the rapid moving process of air can be reduced, an uneven reflection plane is formed through the silencing holes and the allochroic silicagel desiccant, sound waves are effectively reduced, and then noise is reduced.

The utility model relates to a separation type control motion camera comprising a pedestal, the pedestal is provided with a magnetic attraction member and a first pressure sensor, and the pedestal is fixedly provided with a camera body through the magnetic attraction member in a magnetic attraction manner; two connecting plates which are driven by a first driving mechanism and synchronously move in the direction close to or away from each other are arranged in the base. Clamping plates driven by a second driving mechanism to ascend and descend are arranged in the two connecting plates. Elastic clamping blocks for clamping and fixing a camera body are correspondingly arranged in the middles of the surfaces of the opposite sides of the two clamping plates; positioning plates for pressing and fixing the camera body are correspondingly arranged at the upper parts of the surfaces of the opposite sides of the two clamping plates, and second pressure sensors are arranged on the lower surfaces of the two positioning plates; a controller and a control switch are further arranged on the base; the camera can be conveniently installed on supporting accessories such as helmets which are inconvenient to detach, the camera body can be conveniently and directly detached from the supporting accessories, a user can conveniently detach the camera body at any time and hold the camera body in a handheld mode for use, the installation and detachment operation is intelligent, and the use experience of the user is improved.

The utility model discloses welding equipment capable of purifying smoke dust, which relates to the technical field of welding equipment and comprises a welding table and a smoke purifying assembly, hydraulic air rods are mounted on two sides of the upper end of the welding table, and the smoke purifying assembly used for purifying smoke dust in the welding process is arranged on the rear side of the welding table. The smoke purifying assembly comprises a smoke purifying box, a limiting block, a movable frame, a dust filtering net, a mounting groove and a purifying plate, the limiting block is mounted on the inner wall of the smoke purifying box, the movable frame is arranged outside the limiting block, the dust filtering net is mounted at the front end of the movable frame, and the mounting groove is formed in the inner side wall of the movable frame. According to the welding equipment capable of purifying the smoke dust, the smoke dust generated during welding can be absorbed to the interior to be purified through airflow drawn by an exhaust fan, a limiting block is used for limiting movement of a movable frame, the movable frame is drawn and moved to facilitate replacement and cleaning of a purifying plate, a dust filtering net plays a role in filtering large-particle smoke dust generated during welding, and the smoke dust can be purified. The mounting groove is used for quickly mounting and dismounting the purification plate, and operation is simple.

The utility model discloses an efficient flushing device of a municipal water supply network, which comprises a flushing head, one end of the flushing head is fixedly connected with a connecting pipe, a clamping groove is arranged on the outer wall of the connecting pipe, an arc-shaped clamping block is movably connected in the clamping groove, one end of the connecting pipe far away from the flushing head is movably connected with a butt joint pipe, and a telescopic groove is arranged in the butt joint pipe. A locking groove is formed in one side of the arc-shaped clamping block, the telescopic groove communicates with the locking groove, a locking column is clamped in the locking groove, one end of the locking column is fixedly connected with a pulling rod, the pulling rod is slidably connected with the butt joint pipe, the outer surface of the pulling rod is sleeved with a spring, and through butt joint of the locking column and the locking groove, the arc-shaped clamping block can be locked through the locking column; the connecting pipe and the butt-joint pipe are fixed, the stability of the flushing head in the using process is guaranteed, meanwhile, the butt-joint pipe and the connecting pipe can be rapidly replaced in cooperation with using of a pulling rod and a spring cushion, the installing speed of the flushing head is increased, and the working efficiency is improved.

The invention discloses a material transfer device under a stair scene, the material transfer device comprises a first support, a fourth support and a rail cross beam, the rail cross beam is erected at the top ends of the first support and the fourth support, and the first support and the fourth support are respectively installed on a stair; a moving unit is arranged in the bottom side of the rail cross beam and can move in the axis direction of the rail cross beam. The bottom side of the moving unit is connected with a lifting hook, and lifting of the to-be-treated materials is completed through the lifting hook. Through the structural arrangement of the material transfer device, the problem of transferring heavy objects in the staircase is solved.

The utility model relates to the field of monitors, and discloses a regional radiation dose monitor which comprises a protective seat, the inner wall of the left end of the protective seat is elastically connected with a connecting block through a reset spring, the top end of the connecting block is fixedly connected with a protective frame, and the inner wall of the protective seat is provided with a guide mechanism. A limiting block is elastically connected to the inner wall of the right end of the connecting block through a movable spring, a monitor body is elastically connected to the inner wall of the bottom end of the protective seat through a positioning spring, a fixing plate is fixedly connected to the side wall of the monitor body, and a connecting pipe is inserted into the middle of the fixing plate. According to the utility model, the protection seat and the protection frame form the protection shell, so that the internal monitor body can be protected, the monitor body is prevented from being influenced by falling, the protection seat and the protection frame are matched for use, dust can be prevented from being attached to the surface of the monitor body, and the service life of the monitor body is prolonged to a certain extent.

The utility model relates to the technical field of granulation equipment, in particular to a detachable granulation template for a plastic extrusion granulator, which comprises an inner core, a middle ring is arranged on the outer edge of the inner core, an outer ring is arranged on the outer edge of the middle ring, and a plurality of granulation belts which are annularly distributed and connected end to end are arranged on one side of the middle ring; the mounting structure is arranged in the granulation belt, and the mounting structure is used for facilitating mounting and dismounting of the granulation belt; the granulation belt can be conveniently mounted and dismounted through arrangement of the mounting structure, the granulation belt can be quickly mounted and dismounted through mutual cooperation of the expansion part, the threaded rod and the threaded hole, and compared with existing structural arrangement, the granulation belt can be quickly mounted and dismounted when damaged, operation is easy and convenient, and the granulation belt can be quickly mounted and dismounted through cooperation of the expansion part, the threaded rod and the threaded hole. And meanwhile, under the mutual cooperation of a limiting block, a connecting strip, a spring, a mounting plate, a connecting plate and a limiting hole, the position of the threaded rod can be self-locked in the using process, and the threaded rod is prevented from falling off in the using process.

The utility model relates to the technical field of electronic components, and discloses a bridge rectifier beneficial to heat dissipation, which comprises a bridge rectifier body, clamping grooves are symmetrically arranged at the bottoms of two sides of the bridge rectifier body, a mounting seat is arranged at the bottom of the bridge rectifier body, and the mounting seat comprises a U-shaped mounting block. Mounting grooves are symmetrically formed in the two sides of the U-shaped mounting block, second heat dissipation fans are fixedly mounted in the mounting grooves, heat dissipation fins are symmetrically and fixedly connected to the two sides of the bridge rectifier body, ventilation openings are formed in the bottom of the U-shaped mounting block, and heat dissipation columns are symmetrically arranged on the two sides of the bottom of the bridge rectifier body. When the bridge rectifier is used, heat of the bridge rectifier body can be quickly dissipated, the heat dissipation effect is good, it is guaranteed that the bridge rectifier can stably work in long-time work, and the service life of the bridge rectifier body can be prolonged.

The invention relates to the technical field of laser processing, and discloses engine component cooling air film hole processing equipment which comprises a workbench and a three-axis moving module installed at the top of the workbench and used for multi-axis movement, a mounting base is installed at the working end of the three-axis moving module, and an angle adjusting assembly is installed in the mounting base. An angle adjusting assembly is installed on the top of the workbench, a laser device is installed at the bottom of the angle adjusting assembly, a laser head is detachably connected to the bottom of the laser device, a clamping assembly used for fixing a workpiece and a cooling assembly used for cooling the workpiece are further installed on the top of the workbench, and the angle adjusting assembly comprises a first motor and a second motor. The first stirring plate and the second stirring plate are driven to work through the first motor and the second motor correspondingly, so that the angle of the connecting ball is changed, the angles of the laser device and the laser head are adjusted, film hole machining operation is conveniently conducted on different cambered surfaces and different orientations of a workpiece, the workpiece clamping position does not need to be frequently adjusted, and the machining efficiency is greatly improved.

The invention relates to the technical field of lightning protection, in particular to a lightning arrester convenient to install and maintain. Comprising a supporting plate mounted on a cross arm and a lightning arrester, a positioning hole is formed in a top plate of the cross arm, vertical side plates are symmetrically arranged at the bottom end of the top plate, the lightning arrester is fixedly mounted at the top of the supporting plate, a positioning rod is fixedly arranged at the bottom of the supporting plate and rotatably inserted into the positioning hole, and a first spring is mounted between the cross arm and the supporting plate. Two fixing and locking assemblies are arranged on the two sides of the supporting plate in a circumferential array mode, and each fixing and locking assembly comprises a moving unit and a lifting unit; when the supporting plate is rotated to make the locking assembly collide with the cross arm, the vertical side plate of the cross arm extrudes the moving unit to make the lifting unit rise, and the bottom of the lifting unit and the inner side of the vertical side plate of the cross arm form abutting locking. The lightning arrester can be quickly and efficiently fixed on the 10kV overhead line frame, so that quick installation or disassembly and maintenance are facilitated, and the personal safety of operators is ensured; the lightning arrester has a damping function, safety and stability are improved, and the service life is prolonged.

The invention relates to the technical field of constructional engineering, and discloses a detachable assembly type foundation pit supporting device which comprises a plurality of main supporting plates and a plurality of auxiliary supporting plates which are attached to the side wall of a foundation pit, two grooves are symmetrically formed in the two sides of each main supporting plate, and a plurality of first racks with adjustable positions are arranged on the inner walls of the grooves; two convex blocks matched with the grooves are symmetrically formed on the two sides of the auxiliary supporting plate, a plurality of first gears are rotationally connected to the side walls of the convex blocks, a connecting mechanism is arranged on the side wall of the main supporting plate, and the multiple first racks, the multiple first gears and the connecting mechanism are arranged, so that mounting and dismounting can be rapidly conducted; the problem that mounting and dismounting are inconvenient in the prior art is solved, and the protection stability is improved.

The utility model discloses a power cable joint convenient for connection, which comprises a joint I and a joint II, the joint I is detachably connected with the joint II, the right side of the joint I is connected with an annular insertion tube, the outer surface of the annular insertion tube is provided with an annular rubber pad, and the annular rubber pad is provided with a sealing ring. A limiting groove is formed between the annular insertion pipe and the connecting plug, an annular sleeve is connected to the left side of the second connector, an annular groove is formed in the inner wall of the annular sleeve, a splicing ring is arranged in the annular groove, and a butt joint insertion hole is further formed in the back of the splicing ring; a layer of edge ring is further arranged on the inner wall of the annular insertion pipe, and a limiting structure used for limiting rotation of the first connector and the second connector is arranged at the joint of the annular insertion pipe and the annular sleeve. According to the power cable connector convenient to connect, the annular rubber pad is embedded into the annular groove by extruding the first connector and the second connector, and therefore the effect of good sealing performance is achieved.

The hydraulic double-lock quick-change device comprises a quick-change main body, a main hook and a rear lock hook, the quick-change main body comprises two side plates, two reinforcing plates and a supporting frame, a hydraulic oil cylinder is arranged on the inner side of the supporting frame, a piston rod of the hydraulic oil cylinder is located in the horizontal direction, and a push-pull block is arranged at the end of the piston rod; a push rod is arranged on the other side of the push-pull block; the main hook is arranged at the front ends of the two side plates and the two reinforcing plates, and a front locking plate is arranged in the middle of the main hook close to the reinforcing plate on one side; the rear lock hook comprises two columnar structures, two through holes are formed in the supporting frame in the horizontal direction, the tails of the two columnar structures penetrate out of the two through holes and can slide in the two through holes respectively, the middle positions of the columnar structures are fixed to the push-pull block, and the front ends of the columnar structures penetrate into the locking mechanism. The front safety lock and the rear safety lock are designed, double safety guarantee is achieved, and safety accidents caused by accidental falling of the work accessory due to failure of a hydraulic system can be prevented.

The invention discloses an aerated concrete block production cutting device capable of rapidly replacing a blade, and relates to the technical field of machining equipment.The aerated concrete block production cutting device comprises a cutting machining structure and an aerated concrete block, the cutting machining structure comprises a material carrying plate, the blade and a base, and a first transmission shaft and a second mounting frame are arranged on the two sides of the blade correspondingly; six second transmission shafts are fixedly connected to the sides, close to the blades, of the first transmission shafts, six third mounting holes are formed in the sides, close to the blades, of second mounting frames, grooves are formed in the outer sides of the second mounting frames, and a building block carrying structure is mounted on the outer side of a cutting machining structure. And the acting force generated by cutting the aerated concrete block by the blade directly acts on the six transmission shafts II, so that the blade is driven to rotate by the motor and the gear box in a matched manner, and the rotating force generated by cutting the aerated concrete block does not act on the mounting bolt.

The utility model relates to the technical field of quartz stone plates, and discloses a fireproof quartz plate which comprises a plate body, a decorative plate is fixedly arranged at the top of the plate body, a plurality of inserting grooves which are evenly distributed at equal intervals are formed in the top of the plate body, and magnet blocks are fixedly connected to the positions, located at the bottoms of the inserting grooves, of the plate body. A plurality of inserting rods which are evenly distributed at equal intervals are fixedly connected to the bottom of the decorative plate, the plate body is connected with the decorative plate through the inserting rods, a tenon block is fixedly connected to one side of the plate body, fixed inserting blocks are symmetrically and fixedly connected to the two sides of the tenon block, and a fixed inserting hole is formed in the side, away from the tenon block, of the plate body. During use, the fixing insertion blocks are aligned with the fixing insertion holes and inserted into the fixing insertion holes to complete splicing and mounting, the tenon blocks are inserted into the mortise grooves, so that the two plate main bodies are spliced more conveniently and stably, rapid mounting and dismounting of the plate main bodies are facilitated, and the practicability of the device is improved.

The shrimp tail cutting equipment for shrimp processing comprises a box body, installation grooves are symmetrically formed in the two sides of the top of the box body, carrying plates are symmetrically installed on the side, close to the installation grooves, in the box body, and one end of each carrying plate is fixedly connected with a cutting knife; a pressing mechanism is arranged in the top end of the box body, and a collecting assembly is arranged in the bottom end of the box body. Wherein the pressing mechanism comprises a mounting frame fixedly connected to the top end of the box body, fixing grooves are symmetrically formed in the mounting frame, extrusion rods are slidably connected among the mounting frame, the fixing grooves and the box body, and baffles are mounted on the outer sides of the extrusion rods, so that the effect of quickly separating the heads and the tails of the crayfishes can be achieved; and compared with a processing mode adopting multiple groups of electrifying equipment in the prior art, the method is more convenient, the use cost is greatly reduced, and the use requirements of small workshops are met.

The utility model relates to the technical field of water conservancy detection equipment, and discloses a portable rock soil sampler which comprises a sampling box, two storage boxes and a drill bit, a sampling groove is formed in the middle of the lower end face of the sampling box, containing grooves are formed in the positions, close to the upper portions, of the two sides in the sampling groove, and buffer assemblies are fixedly arranged in the two containing grooves; an electric push rod is fixedly arranged on the inner top surface of the sampling groove, a driving motor is fixedly arranged at the lower end of the electric push rod, an auger is fixedly arranged at the output end of the driving motor, a connecting block is fixedly arranged at the lower end of the auger, a cavity is formed in the middle of the lower end surface of the connecting block, and a mounting assembly is fixedly arranged in the cavity; a threaded rod is fixedly arranged in the middle of the upper end face of the drill bit, and through holes are formed in the lower portions of the two sides in the sampling groove. According to the portable soil drilling device, the drill bit can be replaced and carried conveniently when soil is drilled, and the stability in the drilling process is improved.

The invention discloses a delivery device and a delivery method for fresh food cold chain delivery. The delivery device comprises a bottom plate; the placing frame is arranged on the upper end surface of the bottom plate; the distribution box is arranged in the placing frame, and the lower end face of the distribution box is arranged on the upper end face of the bottom plate; the fixing assembly is used for fixedly installing the distribution box in the containing frame, the fixing assembly comprises a clamping mechanism, a connecting mechanism and a pressing mechanism, the clamping mechanism is of an inserting fixing structure, the connecting mechanism is of a hinged driving structure, and the pressing mechanism is of an up-down sliding structure; by arranging a fixing assembly composed of a clamping mechanism, a connecting mechanism and a pressing mechanism, the distribution box can be mounted and dismounted by pressing a handle, the distribution box can be quickly mounted and dismounted, the distribution box can be conveniently dismounted after being used for a long time, the distribution box can be conveniently cleaned, and the service life of the distribution box is prolonged. Therefore, the fresh-keeping property of the fresh products in cold chain distribution can be improved, and the fresh-keeping property of the fresh products is enhanced.

The application discloses a cutting device with quickly replaceable blades for aerated concrete block production, and relates to the technical field of processing equipment. The cutting device comprises a cutting processing structure and an aerated concrete block, and the cutting processing structure comprises a loading plate, blades and a base. The two sides of the blades are respectively provided with a transmission shaft one and a mounting frame two. Six transmission shafts two are fixedly connected to one side of the transmission shaft one close to the blades. Six mounting holes three are formed in one side of the mounting frame two close to the blades. Grooves are formed in the outer side of the mounting frame two. The cutting device is provided with a block loading structure outside the cutting processing structure. The blades can be quickly installed and dismounted. The force generated by the cutting of the blades on the aerated concrete block directly acts on the six transmission shafts two. Therefore, the rotation of the blades driven by the motor and the gear box and the rotation force generated by the cutting of the aerated concrete block will not act on the mounting bolts.

The utility model relates to the technical field of stamping dies, in particular to a stamping die with a stamping die head convenient to replace. Comprising a base, a support, a lifting electric telescopic rod, an upper die, a punching head, a lower die and a mounting assembly, the punching head is arranged below the lower die, the mounting assembly comprises a mounting disc, two inserting blocks, two pull rods, two first springs and two abutting blocks, the mounting disc is fixedly connected with the upper die, the two inserting blocks are both fixedly connected with the punching head, and the two inserting blocks are fixedly connected with the lower die. The two inserting blocks are matched with the corresponding inserting holes respectively, the two inserting blocks are provided with two fixing grooves, the two abutting blocks are movably connected with the installation disc, each pull rod is fixedly connected with the corresponding abutting block and penetrates through the groove, and the two ends of each first spring are fixedly connected with the installation disc and the corresponding pull rod respectively. Through the arrangement of the structure, the stamping head can be rapidly assembled and disassembled, manpower and time are greatly reduced, and operation is easy and convenient.

The utility model belongs to the technical field of mandrel positioning equipment, and discloses a speed reducer planet mandrel positioning and clamping device which comprises a rectangular-ambulatory-plane base, four groups of through holes are formed in the upper surface of the rectangular-ambulatory-plane base, and positioning mechanisms are rotationally connected into the four groups of through holes of the rectangular-ambulatory-plane base. The lower surface of the positioning mechanism is installed at the bottom of the inner wall of the concentric-square-shaped base, the protection mechanisms for shielding and protecting the positioning mechanism are installed on the front side and the rear side of the concentric-square-shaped base, and the mandrel is positioned at the upper end of the concentric-square-shaped base by starting the positioning mechanism, so that the positioning mechanism positions the mandrel in a clamping mode. Therefore, follow-up workers can quickly use the device to assemble and disassemble the mandrel, the time and labor consumed when the follow-up workers use the device to detect or maintain the mandrel are shortened, and the practicability of the device is improved.

The invention provides a simple device for storing and transporting frozen sperms of male horses, and relates to the technical field of sperm freezing. The simple device for storing and transporting frozen semen of the male horses comprises a device box and four storage pipes, a top plate is fixedly arranged at the position, close to the rear end, of the upper end face of the device box, an electric guide rail is embedded in the lower end of the top plate, a first electric push rod is slidably arranged in the electric guide rail, and a moving plate is fixedly arranged at the lower end of the first electric push rod; clamping assemblies are arranged on the lower portions of the two sides of the moving plate in a penetrating mode, a freezing box is fixedly arranged on the upper portion of the front end face of the device box, a containing groove is formed in the middle of the upper end face of the device box, and rotating plates are hinged to the upper portions of the two sides of the interior of the containing groove. According to the horse semen freezing and storing device, the horse semen is more convenient to place and more stable when being frozen and stored, mass damage caused by shaking is not likely to happen, manual taking and placing are not needed, bacterium breeding is reduced, therefore, the quality of the semen is guaranteed, and the reproductive capacity of a male horse is improved.

The utility model discloses an isolating layer for heavy metal combined pollution soil reclamation, which comprises a foundation pit, and an isolating mechanism is arranged in the foundation pit. The isolation mechanism comprises a base, a fixing frame, a threaded groove, an isolation cover, a top cover, an inserting plate, an inserting groove, a rotary knob, a first single-groove belt wheel, a first belt, a second belt, a second single-groove belt wheel, a first rotating shaft, a second rotating shaft, a threaded rod, a groove, a cavity and a double-groove belt wheel. The four inserting plates are located at the front end and the rear end of the two sides of the outer surface of the upper end of the base correspondingly, the two fixing frames are located on the two sides of the middle of the outer surface of the upper end of the base correspondingly, and the threaded grooves are formed in the outer surfaces of the upper ends of the fixing frames. According to the isolation layer for heavy metal combined pollution soil reclamation, the isolation cover and the base can be rapidly assembled and disassembled, operation is easy, isolation can be conveniently conducted through the isolation cover, damage to new soil caused by external personnel or birds and beasts is reduced, and better use prospects are brought.

The utility model discloses an electric control valve with a standby power supply, which belongs to the technical field of electric control valves and comprises a valve body, water pipes are fixedly connected to two sides of the valve body respectively, baffles are fixedly connected to the interiors of the water pipes on the two sides respectively, the baffles on the two sides are symmetrical up and down, and a shell is fixedly connected to the top of the valve body. Electricity storage boxes are fixedly connected to the two sides of the shell respectively, meanwhile, fixing mechanisms are arranged in the electricity storage boxes, each fixing mechanism comprises a pair of clamping plates and two pairs of springs, and meanwhile the pair of springs are fixedly connected to the side walls of the clamping plates. According to the electric control valve with the standby power supply, the power storage box, the opening and closing door, the connecting wire, the handle, the connecting rod, the clamping plate, the spring and the standby power supply are matched with one another, so that the effect of quickly mounting and dismounting the standby power supply is achieved, and the purposes of being easy to replace, clean and maintain are achieved; the problem that a standby power supply in traditional equipment is difficult to mount and dismount when damaged is solved, and the working efficiency is greatly improved.

The utility model discloses a bridge deck turnover lifting lug and a bridge deck turnover lifting lug connecting structure. According to the bridge deck turnover lifting lug connecting structure, a U-shaped rib of a bridge deck is utilized, a lifting lug side plate is consistent with the U-shaped rib in angle and is attached to the U-shaped rib, a side plate opening corresponds to a U-shaped rib hole, and the turnover lifting lug is connected with the U-shaped rib of the bridge deck through a bolt. The holes of the lug plates extend out of the outer side of the bridge deck slab and can adapt to overturning of the bridge deck slab within 180 degrees. According to the turnover lifting lug, assembly type components are adopted, rapid assembly and disassembly can be achieved, the turnover lifting lug can be repeatedly used, and bridge deck slab base materials are not damaged.