129 results about "Right trapezoid" patented technology

The utility model discloses a petroleum transmission pipeline, and mainly relates to the technical field of transmission pipelines. Comprising two pipeline bodies and a butt joint structure, the section of each pipeline body is round, the butt joint structure is located at the ends, close to each other, of the two pipeline bodies, the butt joint structure comprises a connecting cylinder, the two ends of the connecting cylinder are attached to the ends, close to each other, of the two pipeline bodies correspondingly, and two sliding rings are slidably connected to the outer wall of the connecting cylinder; the sides, away from each other, of the two sliding rings are fixedly connected with top plates, the sections of the top plates are in a right trapezoid shape, the outer wall of the connecting cylinder is fixedly connected with a positioning rod, the section of the positioning rod is in a Z shape, and the arc face of the positioning rod is slidably connected with a positioning plate. The petroleum transmission pipeline butt joint device has the advantages that a worker can conveniently conduct butt joint or separation on petroleum transmission pipelines, the petroleum transmission pipelines can be adjusted to the proper length according to actual needs, and therefore the application range of the petroleum transmission pipelines is widened.

The utility model discloses a false tooth support, and relates to the field of medical instruments, the false tooth support comprises a connecting body, the edge of the connecting body is provided with a plurality of arc-shaped grooves matched with teeth in shape, the two ends of the connecting body are fixedly connected with clamping ring main bodies through connecting pieces, and the ends, away from the connecting body, of the two clamping ring main bodies are fixedly connected with a false tooth retention net through bolts; a connecting plate is fixedly connected between the two false tooth retention nets, the connecting piece comprises a right trapezoid clamping block which is fixedly connected to the end, away from the clamping ring body, of a connecting rod, a push rod assembly is arranged at the position, corresponding to the clamping groove, of the top of the connecting body, and the push rod assembly comprises a disc which is located in the second sliding groove and can longitudinally slide. The center of the top of the disc is fixedly sleeved with a push rod body. In conclusion, according to the device, the clamping ring body can be independently detached, the clamping ring body is rectified and replaced, and operation is simpler and more convenient.

The invention relates to the technical field of LED module preparation, and discloses a display module capable of preventing elevation low-temperature falling dead lamps and preparation equipment thereof.The display module comprises a structure body, the four corners of the structure body are all inclined planes, a mounting space is formed in the middle of the structure body, a light guide plate is pasted in the mounting space, and LED lamps are connected to the periphery of the light guide plate; positioning blocks are arranged at the positions, adjacent to the slopes, in the periphery of the mounting space, the cross section of each positioning block is in a right trapezoid shape, the right-angle direction faces the light guide plate, two side plates are further arranged on the two sides of the structure body, and square and long and thin rectangular openings are symmetrically formed in the connecting positions of the two side plates and the structure body from inside to outside and used for locking the light guide plate after the side plates are bent. Through the design of the inclined planes at the four corners of the structure main body, the positioning blocks in the mounting space and a side plate bending and locking mechanism, displacement of the light guide plate under high-pressure impact is limited jointly, and damage caused by the fact that the light guide plate impacts an LED lamp is avoided.

The rigidity improving device comprises a wedge block and a screw, the wedge block is a block-shaped body, the two sides of the wedge block in the width direction are both provided with radians, and the radians of the two sides of the wedge block are consistent; the section of the wedge block is an inverted right trapezoid; one side of the wedge block in the width direction is a vertical surface, the vertical surface of the wedge block is a working surface, and the working surface faces the excircle surface of the main shaft; the other side of the wedge block in the width direction is an inclined surface, the inclined surface of the wedge block is a second working surface, and the second working surface is matched with the inclined surface of the workbench base; the two sides of the top of the wedge block in the length direction are each provided with a combining hole in the vertical direction, and the interiors of the combining holes are each in threaded connection with a screw. A dismounting hole in the vertical direction is formed in the middle position of the top of the wedge block between the two fastening holes; the six wedge blocks are evenly arranged in the circumferential direction of the main shaft at intervals. The rigidity of the main shaft can be effectively guaranteed and improved, and meanwhile the working precision and stability of a machine tool are guaranteed.

The utility model discloses a special lifting appliance for an integral mixed tower assembly. The special lifting appliance is characterized by comprising a main lifting beam 1, a secondary lifting beam 2, a main lifting hook seat 3, a secondary lifting hook seat 4, a lifting beam supporting plate 5 and a main and secondary lifting beam connecting seat 6, the main lifting beam 1 is composed of a parallel lifting beam 23 and a main lifting beam end face reinforcing plate 12; the secondary lifting beam 2 consists of a secondary lifting beam horizontal plate 10, a secondary lifting beam vertical plate 11 and a secondary lifting beam reinforcing support plate 7; the main lifting hook seat 3 consists of a main and secondary lifting beam connecting hole 15, a right trapezoid reinforcing plate 17, a main lifting hook seat bottom plate 24, a main lifting hook seat vertical plate 25 and a main lifting hook seat horizontal lifting round pipe 26; a secondary lifting hook hoisting hole 14 is formed in the secondary lifting hook seat 4; the lifting beam supporting plate 5 is composed of a long-strip-shaped lifting beam supporting plate reinforcing plate 18, a lifting beam supporting plate lifting hole 19, a lifting beam supporting plate reinforcing vertical plate 20 and a lifting beam supporting plate main lifting plate 21. And the primary and secondary lifting beam connecting seat 6 consists of a right trapezoid reinforcing plate 17, a primary and secondary lifting beam connecting seat bottom plate 22 and a connecting seat leveling plate 28.

The invention belongs to the field of feeding for Chinese softshell turtle breeding, and particularly relates to a feeding device for Chinese softshell turtle breeding, which comprises a main body and an automatic feeding device, the automatic feeding device comprises a feeding hopper, the feeding hopper is located in the lifting device, the feeding hopper is a right trapezoid body with the top and the bottom being open, a quantity limiting device is arranged in the feeding hopper, a fixing table is fixedly arranged at the bottom of the feeding hopper, a threaded sleeve is fixedly arranged in the fixing table, and the threaded sleeve is fixedly connected with the lifting device. A threaded rod is in threaded connection with one side of the threaded sleeve, and a second servo motor is arranged at the end, away from the threaded sleeve, of the threaded rod in a transmission mode. A second servo motor in the automatic feeding device is started, the second servo motor rotates to drive a threaded rod to rotate, the threaded rod rotates to drive a threaded sleeve and a fixing table to move, the fixing table moves to drive a feeding hopper to move, and therefore the feeding hopper can stretch out and draw back to adapt to glass water tanks arranged in a trapezoid mode.

The invention discloses a pipe joint assembly, and belongs to the field of pipeline connection. The device comprises a buckle sleeve with the cross section in a right trapezoid shape, the size of the portion, close to the middle of a connecting pipe, of the cross section of the buckle sleeve is larger than that of the other side of the connecting pipe, and the buckle sleeve is attached to a plurality of contact rods rotationally arranged at the end of the connecting pipe. The distance between the ends, away from the connecting pipe, of the multiple contact rods can be increased, so that a to-be-connected pipeline within a certain caliber range can be fixed between the contact rods and the buckle sleeve, and the to-be-connected pipeline within a certain caliber atmosphere can be extruded and fixed among the multiple contact rods; the end of the connecting pipe has two different to-be-connected pipeline fixing modes, the connecting pipe can be used for connecting two to-be-connected pipelines with different calibers and can be fixed within the diameter of the buckle sleeve, the contact rod can be attached to pipelines with different calibers outside the diameter of the insertable pipeline, and when the connecting pipe is used, the adaptive range is wider, and the flexibility is higher.

The invention discloses a mounting structure of an automobile tail door motor, relates to the related field of motor mounting, and aims to solve the problem that a motor in the prior art is directly mounted in an outer sleeve and is inconvenient to maintain and replace independently. An isosceles trapezoid block is fixed at the upper end of the connecting column; side fixing seats are fixed to the rear end of the outer C-shaped fixing frame along the two sides of the isosceles trapezoid block, positioning fixing rods are slidably connected into the side fixing seats, right trapezoid blocks are fixed to the inner ends of the positioning fixing rods, and second pressure springs are arranged between the right trapezoid blocks and the side fixing seats along the outer portions of the positioning fixing rods. The telescopic assembly comprises a third rotating piece, the third rotating piece comprises two second cylindrical connecting parts and a second middle plate part integrally connected between the two second cylindrical connecting parts, and the front end of the second cylindrical connecting part at the front end is integrally connected with a rear fixing part. Limiting fixing holes matched with the positioning fixing rods in position are formed in the rear fixing part.

The utility model discloses a multifunctional good limb position placing pillow which comprises a lower limb pillow body with a second groove formed in the upper end face, an upper limb pillow body with the vertical section arranged in an inverted right trapezoid shape and a back pillow body with the vertical section arranged in a right trapezoid shape, and a first groove is formed in the long plane of the upper end of the upper limb pillow body. The inclined surface of the upper limb pillow and the inclined surface of the back pillow are mutually attached and stacked to form a combined pillow for placing the head of a patient or the healthy side lying position upper limbs, connecting assemblies are detachably connected between the two side surfaces of the right trapezoid of the upper limb pillow and the two side surfaces of the right trapezoid of the back pillow, and an arc-shaped groove is formed in the middle of the bottom plane of the back pillow; a waist and neck pillow is detachably connected to one side plane, far away from the inclined plane, of the upper limb pillow; one face of the waist and neck pillow is a plane, the other face of the waist and neck pillow is an arc-shaped convex face matched with the first groove, pressure sensors are embedded in the second groove, the inclined face of the back pillow and the first groove, and timers and alarms are embedded in one side face of the lower limb pillow, one side face of the upper limb pillow and one side face of the back pillow. And the whole body has the advantages of multiple functions, good body position treatment effect and high applicability.

The utility model relates to a novel coal dry-method fluidization sorting machine. In order to improve the sorting effect, the novel coal dry-process fluidization sorting machine comprises a shell, a vibrating screen plate and an air guide plate, and the horizontal sections of the vibrating screen plate, the air guide plate and the shell are all in a right trapezoid shape. The air guide plate is divided into a first air guide area, a second air guide area, a third air guide area and a fourth air guide area from the rear bottom edge close to the rear side wall of the shell to the front bottom edge close to the front side wall of the shell, each air guide hole is a square hole, an air guide tongue plate is connected to one side of each square hole, the air guide tongue plate of the air guide hole in the first air guide area is perpendicular to the air guide plate, and the air guide tongue plate of the air guide hole in the second air guide area is perpendicular to the air guide plate. The air guide tongue plates in the second air guide area, the third air guide area and the fourth air guide area all point to the end, away from the air inlet, of the discharging port and can guide airflow blown from the air distribution chamber below the air guide tongue plates to the end, away from the air inlet, of the discharging port. The utility model has the advantages of simple structure and high separation effect, and is suitable for coal preparation plants in drought areas with less water.

The utility model provides a recyclable gift box which comprises a cuboid-shaped box body, an inner sleeve box is arranged in the box body, an outer sleeve box is sleeved outside the inner sleeve box, the outer sleeve box and the inner sleeve box are in a right trapezoid shape, and the outer sleeve box and the inner sleeve box are vertically placed to form a book stand structure which is suitable for placing paper materials. The gift box has multiple functions, can be used as a disposable package and can also be converted into a book stand or a storage tool, and secondary utilization of the package is achieved. And a buffer cushion (such as a sponge block) is also arranged in the box body, so that internal articles are effectively protected. The inner sleeve box and the outer sleeve box are connected through adhesion pieces or magnetic attraction pieces, disassembly and combination are convenient, and applicability and operation convenience are improved. The surface of the box body is coated with the environment-friendly coating which is made of recyclable materials, and the environment-friendly requirement is met. The gift box not only meets the packaging requirement, but also has a practical function, reduces resource waste, and is easy to recycle and reuse.

The utility model provides a stackable gardening box, which relates to the technical field of gardening equipment, and comprises a box body, the box body comprises a first side plate, a second side plate and a bottom plate, a clamping groove, a clamping buckle, an inner convex plate and an outer convex plate are adopted, and the dovetail-shaped clamping buckle is clamped with the clamping groove, so that free splicing of the left side and the right side of the gardening box can be realized; a user can flexibly adjust the combination mode according to the space shape, size and planting requirements, the space utilization rate is remarkably increased, through the complementary design of inverted trapezoids and regular trapezoids, when the box bodies are rotated by 180 degrees to be stacked, the outer protruding plate of the upper box body abuts against the inner protruding plate of the lower box body, vertical stacking of the two box bodies 1 is achieved, and the space utilization rate is remarkably increased. When the upper box body is vertically stacked, the outer protruding plate of the upper box body is embedded into the gap of the inner protruding plate of the lower box body, the upper box body and the lower box body are stacked and overlapped, when the upper box body rotates by 90 degrees, the upper box body and the two lower spliced box bodies can be stacked up and down, the stacking mode is diversified, and the requirement for diversified planting scenes is met.

The utility model discloses a mold pitched roof structure, which belongs to the technical field of mold pitched roofs and comprises a mounting seat. The forming die is slidably connected to the outer wall of the mounting base, and a forming cavity is formed in the top of the forming die; the lifting assembly is arranged on the mounting seat; the lifter assembly and the height adjusting mechanism are arranged on the lifting assembly, and the lifting assembly comprises a hydraulic cylinder fixedly mounted at the bottom in a cavity of the mounting seat; the movable seat is arranged at the telescopic end of the hydraulic cylinder and is in a right trapezoid shape; the movable sliding block is slidably installed on the inclined face of the movable base, the inclined face of the movable base is in the state that the front portion is high and the rear portion is low, and a third limiting sliding groove and a third limiting plate are slidably connected into the third limiting sliding groove are formed in the top of the movable sliding block; the inclined rod is rotationally mounted on the outer wall of the third limiting plate. By arranging the height adjusting mechanism, the height of the movable seat can be adjusted under the condition that the stroke is not enough due to abrasion between the movable sliding block and the movable seat, use is convenient, unnecessary time waste is saved, and efficiency is improved.

The present application provides a kind of micro-resistance check valve, it is related to valve technical field, the micro-resistance check valve includes: valve body, annular port is provided in valve body;Mounting seat, one end rotates in annular port, the front view shape of mounting seat is right trapezoid, so that the part of mounting seat is always below under the action of gravity;Valve clack assembly, it is installed in the other end of mounting seat, so that the liquid medium in valve body can only flow in one direction;Therefore the height of gravity center is not big when valve clack opens, so the resistance that liquid medium flows is smaller, and because mounting seat can rotate around annular port, so the heavier part of mounting seat is always at the bottom, so that valve clack is always in the same direction, so when the angle of check valve changes, it will not affect check effect.

The utility model relates to the technical field of transformers, and discloses a matched oppositely-embedded copper bar piece for a dry-type transformer, which comprises a copper bar body and a fastener, the copper bar body comprises a leading-out part, a bending part and a welding part which are connected in sequence; the lead-out part is parallel to the welding part; the welding part is used for welding copper foil of the winding; the welding part comprises a rectangular section and a trapezoidal section; the trapezoidal section is a right trapezoid; one end of the rectangular section is connected with the bent part, the other end of the rectangular section is connected with one right-angle side of the trapezoidal section, and the other right-angle side of the trapezoidal section is flush with the rectangular section; the side length of one side, connected with the rectangular section, of the trapezoidal section is greater than that of one side, far away from the rectangular section, of the trapezoidal section, and the sum of the side length of one side, connected with the rectangular section, of the trapezoidal section and the side length of one side, far away from the rectangular section, of the trapezoidal section is equal to the length of the rectangular section; the fastener is used for connecting the two copper bar bodies located on the outer side and the inner side of the winding. According to the technical scheme provided by the utility model, the blanking can be saved, and the waste of copper bars during the production of copper foil windings is reduced.

The utility model relates to the technical field of bridge pier body construction equipment, and discloses a pier body protection layer detection tool. The pier body protection layer detection tool comprises a main detection plate and a handpiece. The main detection plate is of a right trapezoid structure; the upper side surface of the main detection plate is an upper bottom edge of the trapezoidal structure, the lower side surface of the main detection plate is a lower bottom edge of the trapezoidal structure, and the upper bottom edge is longer than the lower bottom edge; the left side surface of the main detection plate is a right-angle side of the trapezoidal structure, and the right side surface of the main detection plate is an inclined side of the trapezoidal structure; a plurality of main scale marks are arranged on the front side surface or / and the rear side surface of the main detection plate, are parallel to the upper bottom edge, and are arranged at intervals in the vertical direction. The handheld piece comprises a connecting part and a handheld part; the handheld part is formed at the right end of the connecting part; the connecting part is connected with the upper side surface of the main detection plate. The utility model solves the problems that the operation is not changed and the measurement workload is large when the thickness of the pier body protection layer is measured by using a steel tape in the prior art.

A high-short-circuit protection design device relates to the technical field of semiconductors. Comprising a Sub layer; the top corner of the Drift layer is provided with a pair of etching parts which are of a right trapezoid structure, and the two sides of the top of the Drift layer form an inclined plane; a pair of P-body regions are arranged and extend inwards from the outer side surface of the top of the Drift layer; the NP region extends downwards from the top surface of the P-body region; the PP area extends inwards from the side surface of the P-body area; the PP region is connected with the NP region; the gate oxide layer is arranged on the top surfaces of the Drift layer, the P-body region and the NP region; the Poly layer is arranged on the top surface of the gate oxide layer; when the device works in a saturation region, a deeper P-type junction and a depletion layer generated by a Drift layer can block current, so that the short-circuit endurance capability of the device is improved.

The utility model discloses a layering and shunting device for living fish fries. The layering and shunting device comprises a fish storage box, a cover plate, a step baffle, a flow guide plate and a limiting assembly, the cross section of the fish storage box in the length direction is in a right trapezoid shape, the front side of the fish storage box is a vertical side wall, the rear side of the fish storage box is an inclined side wall, a fish discharging opening is formed in the middle of the vertical side wall, and sliding grooves are formed in the two sides of the fish discharging opening. The cover plate is arranged on the upper portion of the fish storage box, and a fish inlet is formed in the middle of the cover plate. The step baffle is vertically arranged in the sliding groove in a sliding mode, and a transition step is arranged on the lower portion of the step baffle; the flow guide plate is arranged at the lower part of the fish discharging opening, is fixedly connected with the vertical side wall and is arranged obliquely downwards; the two sides of the step baffle in the length direction are each provided with a limiting assembly, the limiting assemblies are fixedly connected with the cover plate, and limiting racks matched with the limiting assemblies are arranged on the step baffle. By flexibly adjusting the size of the stepped fish valve channel, fish fries can pass through a single layer, and overlapping of the fish fries is avoided.

The utility model discloses a container yard identification device with an adjustable support, and relates to the technical field of container yard identification. The device comprises a base, right trapezoid columns are fixedly matched with the upper sides of the corners of the base, threaded rods are rotationally matched with one sides of the right trapezoid columns, T-shaped blocks are in threaded fit with the peripheral sides of the threaded rods, L-shaped rods are rotationally matched with one sides of the T-shaped blocks, and first code readers are fixedly matched with one ends of the L-shaped rods; and the top plate is fixedly matched with the upper end part of the right trapezoid column. According to the utility model, through the arrangement of the first code reader, the first code reader rotates under the action of the L-shaped rod, and the bar code on one side of the container on the upper side of the base is scanned through the rotating first code reader, so that the container identification process is more convenient, and the container information is absolutely controlled; and the problems of unqualified containers are reduced.

The application belongs to the technical field of surrounding rock support, and specifically discloses a bottom support for controlling deformation of surrounding rock of a traffic tunnel and a parameter determination method thereof. The bottom support comprises a pier wall part in contact with the surrounding rock of the side wall of the traffic tunnel, and the cross section of the pier wall part is a right trapezoid. The parameter determination method of the pier wall part comprises the following steps: presetting the height of the pier wall part, and determining the pressure borne by the surrounding rock of the side wall of the traffic tunnel according to the height of the pier wall part and the chamber height of the traffic tunnel; determining the shearing force applied by the surrounding rock of the side wall to the pier wall part according to the safety factor of the traffic tunnel and the pressure borne by the surrounding rock of the side wall; determining the overturning moment applied by the surrounding rock of the side wall to the pier wall part according to the height of the pier wall part and the shearing force; and determining the upper base width and the lower base width of the pier wall part according to the shearing force and the overturning moment. The parameter determination method can determine the optimal size parameters of the pier wall part, so that the traffic tunnel can be stably supported, the use of the traffic tunnel is not affected by the bottom support, and the construction cost can be saved.

The utility model relates to the technical field of constructional engineering, and aims to solve the technical problems that in a large-span frame structure and a cantilever structure, the fixed position of a guide rail of an attached lifting scaffold is unstable, the attachment interval of the guide rail cannot meet the construction requirement, and the follow-up maintenance cost is high. The utility model discloses an attached type lifting scaffold guide rail fixing suite which is provided with a guide seat heightening piece, a round pipe outrigger and a bolt lock, the guide seat heightening piece is of a right trapezoid cage-shaped structure and comprises a top frame and a bottom frame, and a bearing steel plate is welded to the top frame. And the top frame and the bottom frame are fixedly connected through a vertical square pipe, a first inclined steel pipe and a second inclined steel pipe. The attached type lifting scaffold guide rail can be fixed on the inner side structure of the suspension structure, the external member is fixed through bolts, the relative position is adjustable, the extension length of the round pipe cantilever beam is adjusted, the concrete pre-burying construction procedure is reduced, meanwhile, mounting and dismounting are convenient, repeated turnover use can be achieved, and the subsequent maintenance cost is reduced.

The utility model relates to the technical field of well lids, in particular to an anti-theft well lid which comprises a lid body and a well base, a plurality of clamping grooves are formed in the inner wall of an annular groove of the well base, a plurality of installation grooves with the longitudinal sections being in a right trapezoid shape are formed in the circumference of the side face of the lid body at equal intervals, and isosceles triangle blocks are installed in the installation grooves in a sliding mode through sliding assemblies. Locking blocks are fixedly mounted on the upper surfaces of the isosceles triangle blocks, the isosceles triangle blocks and the locking blocks are inserted into the clamping grooves, an annular cavity is formed in the cover body, and rectangular holes communicating with the annular cavity are formed in the inner walls of the multiple mounting grooves; the annular cavity is internally provided with an unlocking assembly used for driving the multiple isosceles triangle blocks to move towards the interior of the mounting groove. When the cover body is taken down from the well seat, the upper end of the locking block is in contact with the top of the clamping groove, so that the cover body is limited to move upwards, the cover body cannot be detached from the well seat, the anti-theft effect is achieved, the well cover is prevented from being stolen, and accidents are effectively reduced.

The utility model discloses a yarn bobbin fixing buckle structure of a wrap yarn machine, which comprises a pipe body, the left side and the right side of the pipe body are respectively closed, round blocks are connected to the left side and the right side of the pipe body in a penetrating manner, a rotating rod is sleeved in the pipe body, a through hole matched with the rotating rod is formed in each round block, and the through hole is communicated with the rotating rod. The left end and the right end of the rotating rod penetrate through the penetrating holes respectively and extend out of the pipe body, round pipes are arranged on the left side and the right side of the pipe body respectively, the rotating rod is sleeved with the round pipes through bearings, and the positions, close to the left side and the right side, of the rotating rod are sleeved with oval rings respectively. According to the technical scheme, through mutual cooperation of a rotating rod, an oval ring, a right trapezoid block, a second contact wheel and other components, the device can be effectively extended, so that the device can adapt to fixation of bobbins with different hole diameters, the application range and the use efficiency of the device are improved, the right side of an inserting rod can be driven to move while extension is conducted, and the practicability is high. Therefore, the multi-directional clamping can be realized, and the stability is improved.

The invention discloses an automatic masonry structure of a converter lining, which adopts a spiral structure, and adopts a three-section sloping mode, middle transition is carried out, and then ending is carried out until the converter lining is flush; the width of the first sloping brick is A, and the height of the first sloping brick is B; the second sloping brick is a right trapezoid of which the width is A and the height is B and B + 1; the third sloping brick is a right trapezoid with the width A and the height B + 1 and B + 3; the fourth sloping brick is a right trapezoid with the width A and the height B + 3 and B + 6; and so on. The middle brick shape is geometrically unified, door closing cutting is avoided, and secondary machining is not needed on site; and the dependence on the experience level of workers is obviously reduced.

The utility model provides safety protection equipment for water drilling operation, and relates to the technical field of drilling operation. Comprising a supporting frame, a first protective shell and a second protective shell, a bearing is arranged on the upper surface of a protective plate, a mud scraping plate is arranged on the inner side of a first gear ring, the mud scraping plate is in a right trapezoid rod shape, and a first gear is arranged at the output end of a first motor. The protection plate can be used for blocking broken stones and soil splashed in the drilling process, the broken stones and the soil splashed all around are prevented from entering a motor bearing or a sealing part, mechanical abrasion is accelerated, the mud scraping plate is designed to be in a right trapezoid shape, the attaching angle between the mud scraping plate and the protection plate is 75 degrees, and part of sludge attached to the small surface of the protection plate is effectively scraped when the mud scraping plate rotates; a first gear at the output end of a first motor at the top end of a mounting frame is in meshed connection with a first gear ring, operation of the first motor can make a scraper rotate at a constant speed, and it is prevented that sludge on the lower surface of the scraper is accumulated, and normal use of the protection plate is affected.

The utility model relates to the technical field of logistics management, and discloses an intelligent logistics cargo fixing device which comprises a main supporting plate, a clamping structure is arranged on the upper surface of the main supporting plate, a movable clamping plate is connected to the surface of the clamping structure in a threaded mode, a movable groove is formed in the surface of the movable clamping plate, and the movable clamping plate is connected with the main supporting plate in a threaded mode. And a movable rod is movably connected into the movable groove. The clamping structure is roughly adjusted, then the round blocks are sequentially pushed towards the rear end, the shapes of the round blocks accord with the pushing of a palm, so that the movable rod slides in the movable groove, the clamping groove is shaped like a right trapezoid, and the inclined clamping block is also shaped like a right trapezoid matched with the clamping groove. By means of the device, the problem that due to the fact that the sizes of the logistics goods are different, the small logistics goods cannot be fixed in the fixing process, and consequently the logistics goods shake in the transportation process is solved.

The utility model discloses a kind of communication electronic components positioning fixture, it is related to electronic component detection technical field.The utility model includes: rectangular seat, its one side structure has installation groove, the installation groove is right trapezoid, and its bottom is inclined surface, the top middle of mounting block is equipped with conical hole with equal interval, the conical hole is connected with installation groove, the rectangular seat front side bottom side is inclined to the upward structure with rectangular channel, the rectangular channel is connected with installation groove;Mounting block, it is right trapezoid, and slidingly embedded in the inside of installation groove.The utility model creatively uses the positioning structure that a variety of diameter specifications circular component can be adapted by conical hole and conical groove combination, this kind of innovative design breaks through fixed size limit, different diameter circular electronic component can be realized fast, accurate positioning on the same fixture, greatly improve the versatility and application range of fixture.

The utility model discloses a positive pressure joint connector, which comprises a connecting unit and a stabilizing unit, the connecting unit comprises a connector, an embedded ring is fixed on the inner wall of the connector, and a connecting pipe is fixed on the inner wall of the embedded ring. The annular sleeve and the annular pressing plate are moved in the direction close to the first annular plate, so that the elastic piece is compressed, then the syringe head is embedded into the connector, after the syringe head is embedded into the connector, the connecting pipe is embedded into the syringe head, then the annular pressing plate is loosened, the annular pressing plate is driven to move under resilience force of the elastic piece, and the syringe head is connected with the connector. When the positive pressure connector is installed, the annular pressing plate extrudes the hemispherical pressed block and drives the hemispherical pressed block, the moving block and the right trapezoid rubber block to move, the right trapezoid rubber block abuts against the outer side of the injector head, and therefore the firmness between the connector and the injector head is improved; the syringe head and the positive pressure connector are connected more firmly and are prevented from falling off.

The utility model belongs to the field of battery box manufacturing, and particularly relates to a new energy car battery box deburring device which comprises a main frame, a placing table is arranged on the main frame, a sliding plate is connected to the top of the placing table in a sliding mode, a clamping structure is arranged on the sliding plate, and the clamping structure comprises a first electric cylinder seat. The outer wall of the sliding plate is fixedly connected with a first electric cylinder seat. According to the deburring device for the battery box of the new energy car, an electric cylinder seat I is started, an isosceles trapezoid block pushes a right trapezoid block, an adjusting rod and a pressing disc are driven to move, and the inner wall of a product is extruded, so that the product is stably fixed, it is guaranteed that the product does not shake in the subsequent polishing and deburring process, and the deburring precision and quality are improved; and the sliding plate is driven to slide on the placing table by pushing the holding rod, so that a product is driven to move to the grinding machine for deburring work, the working intensity of workers is conveniently reduced, and meanwhile, the quality of the product is ensured.

The utility model relates to the technical field of protein powder processing, in particular to a hydrolyzed collagen, Chinese date and Chinese angelica collagen powder crushing device which comprises a crushing device body, and a first crushing cavity, an anti-accumulation mechanism, a second crushing cavity and a grinding mechanism are vertically arranged in an inner cavity of the crushing device body from top to bottom in sequence; the anti-accumulation mechanism comprises a worm, the two horizontal sides of the worm are fixed to the side wall of an inner cavity of the crushing device body through bearings, a pushing plate is fixed to the outer wall of the worm, and a meshing area is arranged in the middle of the worm; an auxiliary crushing cutter is arranged on the side wall of the second crushing cavity; the grinding mechanism comprises two sets of grinding protruding blocks located on the side walls of the two sides of the inner cavity of the crushing device body, the grinding protruding blocks are in a right trapezoid shape, and the grinding mechanism further comprises a set of grinding discs matched with the grinding protruding blocks for operation. The protein powder crushing device is efficient in grinding, fine in powder and capable of meeting the current production requirement.