33results about How to "Prevent spinning" patented technology

The invention discloses a hollow shaft motor and a cleaning water circulating filtration scrubber using the same, and belongs to the technical field of hollow shaft motors. Provided is a hollow shaft motor. A hollow shaft is driven by an output shaft of a motor body. A cover body is arranged outside; a first connecting part and a second connecting part are arranged at two ends of the hollow shaft; the first connecting part is of a mechanical fixed connecting structure; the second connecting part is of a split type connector structure comprising a static ring part, a movable ring part and a pressing device. According to the invention, the hollow shaft is externally arranged, and the hollow shaft and the hollow shaft are not coaxial, so that the motor cannot be damaged even if water leaks from the occlusion part of the hollow shaft, power loss is avoided, and maintenance is convenient; a split type connector structure is adopted, through the contact type sealing design of the static ring part and the movable ring part and the introduction of the pressing device, relative rotation between the hollow shaft and external connection can be achieved, the sealing requirement can be met, and water leakage is effectively avoided; in the cleaning water circulating filtration scrubber applying the motor, a connecting water pipe is effectively prevented from being wound.

The invention discloses a forming die for automobile part machining, relates to the technical field of automobile plastic part machining, and aims to solve the technical problem that a forming die for automobile steering wheel machining is single in function. The forming die comprises an upper die block and a lower die block, and the top end of the lower die block is of an inner-outer structure and is provided with a hub groove and a covering arc groove A; the hub grooves are communicated through a plurality of spoke grooves, a plurality of hole columns are annularly and fixedly arranged on the hub grooves at equal intervals, covering arc grooves B are formed in the positions, opposite to the covering arc grooves A, of the bottom end of the upper die block, feeding through holes B are formed in the covering arc grooves B, and feeding through holes A are formed in the positions, opposite to the hub grooves, of the upper die block. Rim mechanisms are arranged at the ends, close to each other, of the upper module and the lower module, covering mechanisms are arranged in the upper module and the lower module, and the rim mechanisms are connected with the covering mechanisms through adjusting mechanisms. The fabric has the advantage of being high in functionality.

The invention discloses a swimming pool cleaning robot walking control method which is characterized by comprising the steps that when it is detected that a swimming pool cleaning robot enters a narrow area in a swimming pool; and the swimming pool cleaning robot is controlled to directly execute the escape operation, or after the swimming pool cleaning robot reaches a preset condition, the swimming pool cleaning robot is controlled to execute the escape operation. Correspondingly, the invention further discloses a walking control system for the swimming pool cleaning robot, and the walking control system is used for implementing the walking control method for the swimming pool cleaning robot. According to the walking control method and system for the swimming pool cleaning robot, the narrow area in the swimming pool can be effectively recognized, corresponding operation control is conducted on the narrow area, walking control is conducted on the swimming pool cleaning robot, and therefore the swimming pool cleaning robot is prevented from rotating in the narrow area, the coverage rate of swimming pool cleaning can be effectively increased, and the service life of the swimming pool cleaning robot is prolonged. The cleaning time is shortened, the cleaning efficiency is improved, and energy is effectively saved.

The utility model belongs to the technical field of medical instruments, and discloses a bone marrow collection device capable of quantitatively sucking, which comprises a storage bin, a suction tube, a suction tube, a suction tube, a suction tube and a suction tube, and is characterized in that the storage bin takes the shape of a hollow cylindrical shell and is used for storing collected bone marrow; the needle head and the storage bin are coaxially arranged, and the end, away from the needle tip, of the needle head extends into the storage cavity; the piston is slidably connected into the storage bin, the peripheral wall of the piston is tightly attached to the inner wall of the storage bin, a pair of push rods is fixed to the end, away from the needle head, of the piston, the other ends of the push rods penetrate through the storage bin and are slidably connected with the storage bin, and the ends, away from the piston, of the push rods are fixed to the push plate; the distance between the pull-back push plate, the push rod and the piston during bone marrow extraction is controlled by controlling and adjusting the distance between the pressing plate and the storage bin, then the amount of the extracted bone marrow is controlled, the purpose of quantitatively collecting the bone marrow is achieved, and the quantitative collection amount can be adjusted.

The present invention relates to the technical field of power grounding wires, and discloses a hanging and dismantling device for a power grounding wire of an unmanned aerial vehicle, including a hanging and dismantling device, a clamping plate is provided inside the hanging and dismantling device, a mounting plate corresponding to the clamping plate is provided inside the hanging and dismantling device, clamping rollers are equidistantly mounted on the opposite sides of the clamping plate and the mounting plate, openings are provided on the sides of the mounting plate and the clamping plate away from each other, and a fixing plate is slidably arranged in the opening. The present invention facilitates the adjustment of the horizontal position of the hanging and dismantling device on the cable through the clamping roller, so as to meet the use requirements, and when working in the early morning, there are water droplets on the surface of the cable, and the friction between the clamping roller and the cable is small. When the external wind is strong, the friction between the clamping roller and the cable can be increased by spraying anti-skid powder on the cable, so as to avoid the hanging and dismantling device being blown by the wind and rotating on the cable, so as to ensure normal operation.

The invention relates to the technical field of building quality inspection, and discloses a project quality inspection device and method.The project quality inspection device comprises a base, a laying part is installed on the base, path laying is conducted according to the length of a wall surface, a detection tool is stored, and the laying part can overturn a corresponding guide rail according to the length of the wall surface; if the guide rail III and the guide rail II are folded, the guide rail II and the guide rail I are folded and stored in the groove I, when the guide rail III and the guide rail II are unfolded, the guide rail II and the guide rail I can be matched with wall surfaces with different lengths, and the detection coverage area is increased; the end part of a T-shaped plate of a coverage part is rotationally sleeved at the end part of a bearing shaft through a lantern ring, and the angle can be adjusted; after the T-shaped plate rotates by 90 degrees, the rotating roller can be changed from a vertical state to a horizontal state or vice versa, when the rotating roller moves horizontally or vertically, the rotating roller can cover the wall surface in a larger range, and compared with traditional gradienter matched tape measure detection and existing local fixed-point sampling detection, the detection data is more accurate, the efficiency is higher, and more flexible and small-error detection is achieved through a small tool.

The utility model discloses an edge pressing machine for synchronous wheel production. The edge pressing machine comprises a base, a vertical plate fixed to the surface of the top of the base and a top base fixed to the top end of the vertical plate. The lower pressing wheel is installed on the left side surface of the vertical plate through a bearing, the motor is installed on the right side surface of the vertical plate, and the output end of the motor is connected with the lower pressing wheel; the lifting seat is slidably installed on the left side surface of the vertical plate; the two supporting plates are fixed to the bottom of the lifting seat; the upper pressing wheel is rotatably installed between the two supporting plates and located above the lower pressing wheel; the limiting mechanism is arranged at the top end of the vertical plate; according to the utility model, the beading machine in the prior art is improved, and the limiting mechanism capable of stably limiting the hand wheel is designed on the vertical plate, so that the hand wheel can be stably limited after a follow-up operator completes the rotation operation of the hand wheel, and the hand wheel is prevented from spinning in the follow-up operation process of the beading machine; therefore, the stability of the upper pressing wheel after height adjustment is guaranteed, and the stability and the edge pressing quality of the edge pressing machine during follow-up edge pressing on the synchronous wheel are guaranteed.

The invention relates to the technical field of building construction, in particular to a safe plate hoisting auxiliary structure for curtain wall construction, which comprises an auxiliary frame, a first hoisting point is arranged at the top end of the auxiliary frame, and a hoisting base is arranged on the outer side of the auxiliary frame. The hoisting base is provided with a negative pressure adsorption mechanism used for grabbing the curtain wall and provided with a second hoisting point. And the auxiliary frame is matched with the stable guide wheel mechanism on the hoisting base through the guide fixing mechanism to form track constraint. The structure further integrates a distance adjusting assembly, a damping assembly and a synchronous movement assembly, and double-side synchronous adjustment is achieved through a linkage disc or a gear and a rack. In addition, the curtain wall protection device is further provided with an anti-falling assembly and a curtain wall protection mechanism with a protection annular plate, and a protection sliding frame is driven by a protection driving assembly to move centripetally. Through frame guiding, mechanical synchronous linkage and multi-stage safety protection, the problems that high-altitude curtain wall hoisting swing is large, and safety is poor are solved, and the efficiency and safety of curtain wall construction are remarkably improved.

The utility model discloses a cable transportation device for wire and cable processing, which comprises a bottom plate, the upper surface of the bottom plate is fixedly connected with a push frame, the upper surface of the bottom plate is fixedly connected with a base, the upper surface of the bottom plate is fixedly connected with a supporting seat, the upper surface of the base is fixedly connected with a motor, and the upper surface of the motor is fixedly connected with a transmission shaft. The output end of the motor is fixedly connected with a rotating shaft, and the side surface of the rotating shaft is fixedly connected with a gear; the device comprises a placing cylinder, a toothed belt is fixedly connected to the side surface of the placing cylinder, a placing bin is arranged in the placing cylinder, a limiting supporting rod is fixedly connected to the rear inner wall of the placing bin, and a sealing cover is movably connected to the front surface of the placing cylinder. And the taking convenience of the cable drum and the safety in the transportation process can be improved.

The utility model discloses a groove type commutator insulation structure, and specifically relates to the groove type commutator technology field, the groove type commutator insulation structure comprises commutator sheets, a plurality of commutator sheets are distributed in an annular array, an insulation sheet is arranged between two adjacent commutator sheets, the middle parts of the plurality of commutator sheets and the insulation sheets are provided with an insulation matrix, and the insulation matrix is provided with an insulation groove. A first ring frame is integrally formed at the bottom end of the insulating base body, a first clamping ring is integrally formed at the top end of the first ring frame, a second ring frame is installed on the top of the insulating base body in a threaded mode, and a second clamping ring is integrally formed at the bottom end of the second ring frame. According to the utility model, through the arrangement of the insulation substrate, the plurality of insulation sheets are cooperatively positioned and clamped, the positioning and clamping of the plurality of commutator sheets are carried out, the assembling stability of the plurality of commutator sheets is increased, and the assembling efficiency of the plurality of commutator sheets is improved. And each commutator sheet or insulating sheet can be conveniently and independently detached for maintenance or replacement subsequently.

The utility model relates to a dyeing device for cotton yarn processing, which comprises a workbench, the top of the workbench is fixedly connected with a dyeing box, the dyeing box is internally provided with a filter basket, the filter basket is internally and fixedly connected with a placing assembly, the bottom of the workbench is fixedly connected with a supporting table, and the top of the supporting table is provided with a transmission assembly. The transmission assembly comprises a motor fixedly connected to the top of the supporting table, and a linkage assembly is arranged at the top of the motor. According to the dyeing device for cotton yarn processing, cotton yarn needing to be dyed is placed in the filter basket, the cotton yarn is limited through the containing assembly, then the cotton yarn can be dyed, after dyeing is completed, a motor is started to drive a linkage assembly to conduct transmission, the linkage assembly drives a first threaded rod to rotate in a linkage mode, and the first threaded rod rotates to drive a connecting plate to move upwards; the connecting plate moves upwards to drive the filter basket to move upwards, the filter basket moving upwards can drain the dye on the surface of the cotton yarn, and workers do not need to take out and drain the cotton yarn with hands.

The utility model provides a connecting part protection device for a cable, which relates to the technical field of cables and comprises a clamping frame, a clamping groove is arranged at the top of the clamping frame, a clamping piece is fixedly connected inside the clamping groove, an overlapping block is fixedly connected to one side of the clamping frame, a fixing ring is fixedly connected to one side of the overlapping block, and the fixing ring is fixedly connected to the other side of the overlapping block. A sealing gasket is arranged at the top of the clamping frame, a sealing washer is fixedly connected to one side of the sealing gasket, a mounting frame is fixedly connected to the bottom of the clamping frame, and a mounting groove is formed in one side of the mounting frame. Compared with the prior art, the cable fixing device has the advantages that the cable is clamped and fixed through the clamping pieces, then the sealing gaskets and the sealing washers are extruded, the fixing rings on the two clamping frames are aligned, the screws are screwed into the fixing rings on the two sides for fixing, the screws are screwed into the fixing rings on the two sides, manpower consumed by screwing the two sets of screws is small, and the cable fixing device is convenient to use. And rapid installation is facilitated.

This utility model discloses a high-mast lighting lifting rope separator, belonging to the technical field of high-mast lighting. It includes a main connecting plate with a central hole on its axis, and multiple evenly distributed side holes around the main connecting plate; a cable pull plate is fixed to the main connecting plate for securing the cable; forward-arranged rope connecting assemblies are installed in the side holes of the main connecting plate, and reverse-arranged rope connecting assemblies are installed in the central hole; each rope connecting assembly includes a pull rod passing through either the side hole or the central hole of the main connecting plate; one end of the pull rod is used to connect a steel wire rope, and the other end is connected to the main connecting plate by a spring. This utility model connects the main and auxiliary steel wire ropes correspondingly through the forward and reverse rope connecting assemblies, effectively releasing the rotational internal force of the steel wire rope through the rotation of the pull rod; the spring structure provides a buffering effect, reducing the impact force on the steel wire rope and the rope separator; when there are slight differences in the length of multiple steel wire ropes, the elastic deformation of the spring can achieve length self-adjustment, ensuring uniform force on each rope.

The present invention discloses an electrostatic release device for a low-voltage switch cabinet, and specifically relates to the technical field of low-voltage switch cabinets, including a low-voltage switch cabinet body, a door frame being rotatably installed on one side of the low-voltage switch cabinet body, a switch mechanism being arranged between the middle part of the door frame and the low-voltage switch cabinet body, and an electrostatic release mechanism being arranged between the middle part of the switch mechanism and the inner side of the door frame. The present invention, by arranging an electrostatic release mechanism and using an external drive mechanism in cooperation, places the electrostatic release mechanism in the switch mechanism, and can lead the static electricity generated by the human body into the ground through a contact piece, a first electrical connection wire, a first electrical connection protrusion, a first electrical connection piece, a second electrical connection wire, a current indicator light, a third electrical connection wire, an electric contact sliding protrusion, an electric contact sliding piece, a grounding shaft, a second electrical connection protrusion, and a grounding conductive piece, so as to realize the release of static electricity on the human body while opening the door frame, and prevent subsequent static electricity from affecting the equipment in the low-voltage switch cabinet body, thereby improving the use effect of the entire low-voltage switch cabinet.

A bead pressing power head with a bead detection function comprises a bead pressing module and a detection module, the bead pressing module comprises a bead pressing bar, a sandwich coaxially connected with one end of the bead pressing bar and a center shaft coaxially sleeved with the sandwich, one end of the center shaft is coaxially sleeved with a sandwich nut, and the outer side of the center shaft is coaxially sleeved with a linear bearing; the outer side of the linear bearing is coaxially sleeved with a lower fixing sleeve, the outer side of the lower fixing sleeve is coaxially sleeved with a sealing cover nut, and the outer side of the sealing cover nut is coaxially sleeved with a power head body. One end of the adjusting screw rod is connected with the first clamping spring, the fine adjustment sliding block is connected with the other end of the adjusting screw rod, the copper sleeve pipe is coaxially connected to the adjusting screw rod, the proximity switch is arranged close to one side of the fine adjustment sliding block, the other side of the proximity switch is connected to the small support, and the small support is connected with the large support. The ball pressing power head with the ball detection function can stably press balls while detecting whether the balls exist or not.

The utility model discloses a lightweight anti-rotation garbage grab machine mobile cable comprising three power wire cores which are uniformly distributed at intervals of 120 degrees in the circumferential direction through a Y-shaped polyurethane elastomer isolation core, and the free ends of three forked separator plates of the Y-shaped polyurethane elastomer isolation core extend towards the outer side in an external expansion manner to form fan-shaped parts. Each sector part is provided with a longitudinal hole and is sleeved with a grounding conductor, the Y-shaped polyurethane elastomer isolation core is externally coated with a polyurethane extruded inner sheath, an AFRP reinforced woven tensile layer, a polyurethane extruded outer sheath and an EVA wear-resistant protective layer, and each power wire core comprises a power conductor, a semi-conductive nylon wrapping layer and a polyvinyl chloride insulating layer. Each power conductor comprises an aluminum alloy inner conductor layer formed by twisting aluminum alloy strands, and tinned copper strands are twisted around the outside of the aluminum alloy inner conductor layer to form a copper alloy twisted wire outer conductor layer. The cable is light in weight preparation, the conductor structure is not easy to loosen, the cable core structure is round and balanced, rotation is avoided, and the service life is prolonged.

The invention belongs to the technical field of drilling exploitation, and particularly provides a soluble quick-drilling combined bridge plug which is characterized in that an upper central pipe, an upper slip protection ring, an upper slip piece, an upper slip insert, an upper slip inclined guide, a rubber sleeve, a lower slip piece, a lower slip insert, a bridge plug inclined guide and an upper coupling body are all made of quick-drilling materials; the lower central pipe, the lower slip inclined guide body and the lower coupling body are all made of soluble materials; the problems that an existing bridge plug is limited by materials and structures of the bridge plug and is large in treatment difficulty, long in consumed time and high in cost when complex events occur underground and in the later drilling and grinding process are solved, the structure that an existing center pipe is of an integral part is changed, the pressure bearing effect in the fracturing process is guaranteed, after a soluble part is dissolved, the remaining part is extremely short, later drilling and grinding are facilitated, and the service life of the bridge plug is prolonged. And the aging is improved, and the loss of a screw drill and a drill bit milling shoe is reduced.

The invention relates to the technical field of mussel cleaning, in particular to efficient cleaning equipment and a cleaning method for grading and shell protection of mussels. Comprising a machine frame, a cleaning pool and a conveying belt are arranged on the machine frame, the conveying belt is provided with a horizontal conveying section submerged below the liquid level of the cleaning pool and a climbing section penetrating out of the liquid level in an upward inclined mode, a grading mechanism is arranged on the front half portion of the horizontal conveying section and comprises a vibration material frame and a net bag arranged in the vibration material frame, and a height adjusting frame is arranged on the machine frame. A vibration generator is arranged on the height adjusting frame, the net bag is composed of a fixed net and a movable net, an inner frame is arranged in the vibration material frame and can drive the movable net to be close to or away from the fixed net, and a material falling net gap is formed between the fixed net and the movable net. By adjusting the blanking net gap between the movable net and the fixed net, stage-by-stage release of mussels is achieved, extrusion damage is avoided, then dirt in the mussels is removed under the cleaning action of pre-cleaning, aeration turning and washing and variable-frequency spraying, and the cleaning effect is improved.

This utility model discloses a high-efficiency oil separator for a micro-oil screw air compressor, relating to the field of oil-gas separator technology. It includes an anti-detachment platform, which is fixedly installed on the upper part of the separator body. The device has a magnetic block that magnetically attracts a locking block, causing the locking block to move upwards and thus allowing its lower end to be pulled out from inside the anti-detachment platform, unlocking the mounting cover. Workers can quickly remove the mounting cover by simply rotating it, reducing the need to remove numerous screws during maintenance, minimizing workload and time, and greatly improving the efficiency of oil separator maintenance. The locking block's lower end engages inside the anti-detachment platform, preventing the mounting cover from rotating and limiting its rotation. This allows for quick installation and disassembly without removing many screws during maintenance, making maintenance more convenient.

The utility model relates to the technical field of smoke detectors, and discloses an air suction type smoke detector convenient to install, which comprises a detector main body, an installation pipe is arranged on one side of the detector main body, a rotatable connecting shaft is horizontally connected in a groove reserved in the installation pipe, and an L-shaped clamping block is welded on the connecting shaft. A first U-shaped fixing block is welded to the bottom of the L-shaped clamping block, a second U-shaped fixing block is welded to the bottom of the groove of the mounting pipe, a first rotatable rotating block is arranged in the second U-shaped fixing block, a second rotatable rotating block is arranged in the first U-shaped fixing block, and springs are welded to the inner side of the first rotating block and the inner side of the second rotating block. Through the arrangement of the mounting pipe, the connecting shaft, the L-shaped clamping block, the first U-shaped fixing block, the second U-shaped fixing block, the first rotating block, the second rotating block and the spring, quick mounting can be completed through extrusion.

The waterproof wiring structure comprises a shell, a cable and a waterproof connector, the shell comprises a base body, a first boss and a wire passing hole, the base body extends towards the outer side to form the first boss, and the first boss is provided with a clamping strip; the wire passing hole penetrates through the base body and the first boss; the cable comprises a cable main body and a cable input end, and the cable input end passes through the wire passing hole; the waterproof joint comprises a substrate and cantilevers extending from the end part of the substrate, the substrate and the cantilevers on the two sides surround to form an accommodating cavity, and the cantilevers are provided with buckle assemblies with step structures on the inner sides; the buckle assembly is connected with the clamping strip in a clamped mode. According to the utility model, the buckle assembly is connected with the shell in a clamping manner, so that no screw is needed, the cable is prevented from rotating and winding in the assembling process, the assembling efficiency is improved, the assembling action is simplified, and the operation is simple and rapid.

The utility model belongs to the technical field of assembly of rolling mill main motor rotors, and particularly relates to an assembly device of a rolling mill main motor rotor. Comprising a stator, a rotor and a travelling crane, the rotor is installed in the stator, the non-load end of the rotor is installed on a bearing seat, the load end of the rotor is provided with a half coupling, the travelling crane is located above the bearing seat, the half coupling is connected with a lengthened coupling in a bolted mode, and the travelling crane is connected with a horizontal lifting appliance in a hung mode through a steel wire rope. A supporting frame is placed on the ground on the outer side of the bearing seat, supporting blocks are inserted into the two ends of the supporting frame, a jack is installed at the bottom of the stator, and a laser range finder and a gradienter are installed on the stator. The tool is simple in structure, low in manufacturing cost, simple and convenient to operate, suitable for assembling the rolling mill main motor rotor with large dead weight, free of assistance of a truck crane and traction of laying a track in the operation process, high in safety and practicability and wide in applicability.

The utility model discloses a heat dissipation guide roller for film blow molding, and relates to the field of production devices. The device comprises a hollow pipe, a sleeve is inserted into the outer pipe wall of the hollow pipe through a spline and a key groove which are arranged in a matched mode, the two ends of the sleeve are each of a wide-mouth structure, and the sleeve and the hollow pipe are positioned and installed through a positioning piece. Sealing plugs are detachably arranged at the two ends of the hollow pipe, a supporting pipe is coaxially arranged in the hollow pipe through a supporting piece, and the two ends of the supporting pipe penetrate through the sealing plugs and are rotationally installed with the sealing plugs; the outer side wall of the supporting pipe is fixedly sleeved with fins in the length direction, the fins are located in the hollow pipe, and the diameter of the fins is smaller than the inner pipe diameter of the hollow pipe. The utility model has the beneficial effects that the hollow pipe guides the film through the sleeve sleeved outside the hollow pipe, the sleeve is convenient to disassemble and assemble, the use cost is reduced, the fins increase the contact area between the supporting pipe and the hollow pipe, and the heat dissipation efficiency and the heat dissipation effect of the sleeve are improved.

The invention relates to the technical field of sampling devices, and discloses a sampling device and a conveying method for oil additive production, which solves the problem that additives at different positions may be different, and when sampling is performed at only one position, there is a singleness, which affects the actual detection effect and leads to a low measurement accuracy. The invention comprises an additive sampling and collection box body, a sampling and collection box cover is provided on the top of the additive sampling and collection box body, a uniform stirring and mixing component is provided on the sampling and collection box cover, a liquid discharge pipe is provided on the additive sampling and collection box body, a valve is provided on the liquid discharge pipe, a liquid inlet pipe is provided on the additive sampling and collection box body, and a sampling movable pipe is provided on one side of the additive sampling and collection box body; different positions in the additive to be detected are sampled simultaneously, and the additive to be detected in the additive sampling and collection box body is stirred by the uniform stirring and mixing component, thereby improving the accuracy of sampling measurement.

The utility model provides a self-adaptive bamboo chip taking machine. The self-adaptive bamboo chip taking machine comprises a lifting mechanism and a taking mechanism, the material taking mechanism is installed at the lifting end of the lifting mechanism, the lifting mechanism comprises a single-shaft air cylinder, a shell, a connecting belt, a guide wheel, a pressing wheel, a tensioning mandrel, a spring box and a volute spiral spring, and the shell is fixed to a piston rod of the single-shaft air cylinder; the tensioning mandrel is installed in the shell, one end of the tensioning mandrel extends out of the shell and is connected with an inner ring of the volute spiral spring, an outer ring of the volute spiral spring is fixed to the spring box, and the spring box is fixedly arranged on one side of the outer wall of the shell. The floor height self-adaption function is achieved; the guide wheel is tensioned through the volute spiral spring, the synchronous belt connected with one side of the self-adaptive clamping mechanism can be kept in a tensioned state all the time, the piston rod of the single-shaft air cylinder is prevented from spinning in the movement process, and therefore the problem that the synchronous belt is wound is avoided.

The utility model relates to printer technical field discloses a kind of rotary shift subassemblies for square box printer, including base and the bracket located at the top of base, the end fixedly installed with feeding unit of base top away from bracket, the side of feeding unit close to bracket is provided with limiting component, the side close to bracket of limiting component is provided with fixed frame, the end sliding installation of fixed frame close to feeding unit has Y-axis displacement module.The rotary shift subassembly for square box printer, by the design of the plug-in installation of locating hole and mounting column, the quick installation of clamping plate and rotating head can be facilitated, and then the quick fixing of clamping plate and rotating head is realized by cooperating locking nut, and the quick disassembly of clamping plate is also facilitated in a threaded connection mode, maintenance efficiency is improved, by setting rotary shift subassembly, the accurate rotation of material can be realized, the printing of different surfaces of material is satisfied, and when using, manual overturning is not needed, the risk of personnel damage is reduced.

The utility model discloses a fixture for furniture assembly, and relates to the field of fixtures. The device comprises a hollow pipe, a slide way is arranged on the outer wall of the hollow pipe in the length direction and communicated with the hollow pipe, mounting plugs are detachably mounted at the two ends of the hollow pipe, and a two-way lead screw is coaxially arranged in the hollow pipe; the two ends of the two-way screw rod are in threaded connection with nuts, penetrate through the mounting plug and are rotationally mounted with the mounting plug; pistons are installed at the two ends in the hollow pipe in a sliding mode, the pistons and the nuts are coaxially assembled, sliding blocks are detachably installed on the outer walls of the pistons, and the sliding blocks are installed on the sliding ways in a sliding mode and protrude out of the outer wall of the hollow pipe; and clamping jaws are detachably mounted on the outer walls of the sliding blocks. The utility model has the beneficial effects that the two-way screw rod is meshed with the nut to drive the clamping jaws on the two sides to synchronously and relatively move on the hollow pipe, so that gathering or separation is realized, the synchronous adjustment of the clamping jaws improves the use efficiency, and the use universality is improved.

This utility model discloses a connecting structure for a multi-stage progressive evaporator in a vehicle refrigerator, relating to the technical field of evaporator connecting structures. It includes connecting pipes disposed at both ends of the main body of the connecting structure. Connecting screws are installed inside both the main body of the connecting structure and the connecting pipes. Limiting grooves are provided on the outside of the connecting screws, and ejection springs are installed inside the limiting grooves. A limiting block is installed at one end of the ejection spring. This device, by installing the ejection spring in conjunction with the limiting block, can lock the fixing nut, effectively preventing the fixing nut from rotating and loosening, thus avoiding affecting the tightness of the connection between the multi-stage progressive evaporator of the vehicle refrigerator and external equipment, preventing leakage and abnormal noise. The installation of an anti-slip bracket, in conjunction with the limiting boss, can prevent the connecting screw from rotating, thus fixing the connecting screw and enhancing the stability of the connection between the fixing nut and the connecting screw.

The utility model discloses a portable geophysical prospecting acquisition and processing unmanned aerial vehicle airborne remote sensing geophysical prospecting instrument, which is applied to the technical field of unmanned aerial vehicle remote sensing, and is characterized by comprising an unmanned aerial vehicle body, a remote sensing geophysical prospecting instrument and a rotating shaft for mounting the remote sensing geophysical prospecting instrument, the remote sensing geophysical prospecting device has the technical effects that the bottom bevel gear ring rotates to drive the inner side bevel gear ring to rotate, so that the bevel gear block in meshed connection drives the rotating shaft to rotate, and the remote sensing geophysical prospecting device fixed on the rotating shaft can swing; when the lifting rod ascends until the hard rubber block on the surface of the lifting rod is embedded and engaged with the annular tooth surface of the conical tooth on the side edge of the rotating seat, the lifting rod rotates to drive the hard rubber block to rotate, so that the rotating seat in the engaged state drives the remote sensing geophysical prospecting instrument to rotate; therefore, the remote sensing geophysical prospecting instrument can swing towards different directions when the unmanned aerial vehicle body is in a hovering state.

The utility model belongs to the technical field of electric power inspection, and particularly discloses a cable electric power inspection unmanned aerial vehicle which comprises an unmanned aerial vehicle body, a mounting plate is fixedly arranged in the center of the lower side of a lower shell of the unmanned aerial vehicle body, a first motor is fixedly arranged in the center of the lower side of the mounting plate, supports are symmetrically and fixedly arranged on the two sides of the first motor, and a folding rod is arranged on the lower side of the first motor. A cylindrical central processing module is arranged on the lower side of the folding rod, a rectangular frame is arranged on the outer side of the cylindrical central processing module, a parabolic reflection focusing pot is coaxially and fixedly arranged at the lower end of the cylindrical central processing module, an opening of the parabolic reflection focusing pot is back to the cylindrical central processing module, and a fixing column is coaxially and fixedly arranged on the inner side of the parabolic reflection focusing pot. A spherical platform is coaxially and fixedly arranged at one end of the fixing column, and a lifting protection mechanism is arranged on the lower side of an arm of the unmanned aerial vehicle body. According to the utility model, defects of a traditional manual inspection mode are avoided, more efficient, safer and more accurate electric power inspection is realized, and safe and stable operation of an electric power system is guaranteed.