56results about How to "Reduced collision wear" patented technology

The invention discloses a convenient-using type blasting insulating protecting device. The device comprises a protecting device body, a fixing plate, a boss, a first supporting rod and a protecting net, wherein the protecting plate which is connected to a bottom plate though an elastic layer is arranged at the left side of the protecting device body; the fixing plate is arranged at the right side of the bottom plate through a buffering spring, and the upper end and the lower end of the fixing plate are connected to a baffle plate; the boss is arranged at the right side of the baffle plate; the first supporting rod is connected with the upper end of the fixing plate through a rotating hinge, and the lower end of the first supporting rod is connected with a second supporting rod through a rotating hinge; the left end of the second supporting rod is inserted into a fixing sleeve which is positioned below the right side of the fixing plate; the protecting net is arranged at the inner side of the first supporting rod, and the lower part of the protecting net is connected to the connecting rod. The convenient-using type blasting insulating protecting device is capable of protecting a blasting person, is convenient to mount and can be repeatedly used for a plurality of times.

The invention provides a chemical fiber cone yarn stacking device and belongs to the technical field of chemical fiber processing. The chemical fiber cone yarn stacking device comprises a vertical beam frame, a horizontal beam frame and a clamping jaw support; the vertical beam frame is slidably arranged on a dovetail-shaped sliding chute of a base through a slider; a screw has threaded connectionwith the slider positioned at the lower end of the vertical beam frame; the horizontal beam frame is arranged on a vertical guide rail of the vertical beam frame in a manner of sliding up and down; the lower end of a lifting cylinder body is fixed to the vertical beam frame; the upper end of a lifting piston rod is connected with a chain wheel support; a chain wheel is rotationally arranged on the chain wheel support; a chain is arranged on the chain wheel in a surrounding manner; one end of the chain is connected with the horizontal beam frame; the other end of the chain is connected with the base; the clamping jaw support is slidably arranged on the horizontal beam frame; a gear is meshed with a gear rack; a first clamping jaw and a second clamping jaw are slidably arranged on the clamping jaw support; the two ends of a clamping jaw cylinder are separately connected with the first clamping jaw and the second clamping jaw; and a lift type sucking disc is installed at the lower side of the horizontal beam frame. The chemical fiber cone yarn stacking device provided by the invention can be used for quickly implementing stacking of chemical fiber cone yarns and is high in automationdegree.

The invention discloses a cleaning and drying device for machining fire extinguisher bottles. The cleaning and drying device comprises a conveying device, a power device and a dryer. A plurality of first circular notches are evenly formed in the conveying device, supporting plates are arranged below the first circular notches respectively, and second circular notches are formed in the middle portions of the supporting plates. A protective pad is arranged on the inner side of a top flange of each supporting plate. A plurality of first springs are arranged on the outer side of each flange. An installation plate is arranged below the conveying device. The power device is arranged at the bottom of the installation plate. A water spraying pipe is arranged on the left side of the top of the installation plate. A rainwater collecting hopper is sleeved with the portion, on the outer side of the water spraying pipe, of the installation plate. The dryer is arranged on the right side of the top of the installation plate and provided with a drying pipe. According to the cleaning and drying device, elastic buffer conveying is carried out on the to-be-processed fire extinguisher bottles; as bottle bodies vertically and elastically vibrate when cleaning and drying are carried out, the cleaning effect and the drying effect on the bottle bodies are easily improved, and the working efficiency is improved.

The invention discloses an integrated cleaning and drying machine for hardware accessories, which comprises: a box body, a drying box, a washing box, a friction damping pad and a washing device, the drying box is located at the upper part of the box body, the washing box is located at the lower part of the box body, The dry box and the washing box are separated by a plugboard. The washing box is composed of a liquid inlet, a liquid outlet, a washing container, a rotating seat, a lifting seat, a motor and a threaded rod. The rotating seat and the threaded rod are slidably connected by a slide rail, and the lifting seat It is slidingly connected with the rotating seat through a circular track, the circular track is set on the lifting seat, the lifting seat is slidingly connected with the box body, the motor is set at the bottom of the box body, and the drying box is composed of electric heating wire, fan, spray device, box cover Composed of vent holes and friction damping pads at the bottom of the box. The invention reduces the collision wear during the cleaning process of the hardware fittings, increases the washing efficiency, can rinse the residual washing liquid on the surface of the hardware fittings after washing, and then dries them. The structure is simple and reasonable, and it is easy to operate.

The invention discloses a device for collecting and guiding rainwater at an urban road edge, comprising a rainwater inlet and a sedimentation chamber, wherein the rainwater inlet is vertically arranged underneath the road edge, the sedimentation chamber clings to the rainwater inlet, and is arranged below a road surface, the rainwater inlet is in connection with a filter chamber through a water diversion pipe, a movable cover plate is arranged at the top of the filter chamber, a water drainage pipe is arranged at the bottom of the filter chamber, and is in connection with subsequent treatment devices, and filter elements are arranged in the filter chamber. The device disclosed by the invention has the beneficial effects of good sedimentation effect, high filter efficiency, convenience for cleaning and maintenance, and capability of effectively guiding and collecting the rainwater on the road surface and performing pretreatment on the rainwater.

The invention discloses a workpiece roughness detection device. The device comprises a detection table and a detection computer, a detection plate used for putting a workpiece is arranged on the detection table, a vibration sensor connected with the detection computer is arranged in the detection plate, and drive devices which act on the workpiece and apply pressure on the workpiece are arranged at the position, over the detection plate, of the detection table. A space is formed in the detection table, a plurality of supporting devices are arranged at the positions, at the two ends, on the bottom surface of the detection plate in a hinged mode, each supporting device comprises power air cylinders which are fixedly arranged at the positions, at the two ends of the detection plate, in the space, a telescoping rod of each power air cylinder is fixedly provided with a connecting mechanism which is connected with the bottom of the detection plate, and a waste box and a storage box are arranged at the positions, at the two ends of the detection plate, in the detection table respectively. By means of the detection device, the workpiece roughness can be quickly detected, the detection process is reliable, the detection efficiency is high, the accuracy is high, and the labor stress and cost are reduced.

The invention discloses a cleaning and drying device for steel cylinder processing. The cleaning and drying device comprises a conveying device, a power device and a drying machine; a plurality of first circular notches are uniformly formed in the conveying device; each first circular notch is provided with a supporting plate below; second circular notches are formed in the middle parts of the supporting plates; protective pads are arranged on the inner sides of flanges at the tops of the supporting plates; a plurality of first springs are arranged on the outer sides of the flanges; a mounting plate is arranged below the conveying device; the power device is arranged at the bottom of the mounting plate; a water spraying pipe is arranged on the left side of the top of the mounting plate; a rainwater collecting hopper is connected to the position, on the outer side of the water spraying pipe, of the mounting plate in a sleeving mode; the drying machine is arranged on the right side of the top of the mounting plate; and a drying pipe is arranged on the drying machine. According to the cleaning and drying device, cylinder bodies of fire extinguishers to be treated are subjected to elastic buffer conveying, the cylinder bodies are subjected to vertical elastic vibration in the cleaning and drying process, and therefore the cleaning and drying effects of the cylinder bodies can be improved, and the working efficiency can be improved.

The invention provides a disinfecting and drying integrated device used for oral cavity medical apparatuses and instruments. The device comprises a body box. The upper end face of the body box is fixedly connected with a washing and disinfecting box. A washing and disinfecting cavity is formed in the washing and disinfecting box. A water injection cavity with an upward opening is formed in the upper side of the washing and disinfecting cavity in a communicating manner. An ultrasonic emitter is fixedly connected in the left end wall of the washing and disinfecting cavity. The right side of thewashing and disinfecting cavity communicates with a feed cavity with a rightward opening. By means of rotation of a mesh-shaped steel wire frame, possibility of collision abrasion to the oral cavity medical apparatuses and instruments is reduced while it is ensured that the oral cavity medical apparatuses and instruments in the disinfecting and drying integrated device are sufficiently flushed anddisinfected. Flushing is conducted when a disinfecting baffle is opened, and disinfecting is conducted when the disinfecting baffle is closed. After disinfecting is completed, the apparatuses and instruments are separated from wastewater through a filter screen and are automatically pushed into a drying cavity through cooperation with a push plate to be dried, and therefore washing, disinfectingand drying three-step flow integration is achieved; and by reducing operation steps of different machines, workloads of medical staff are reduced.

Long displacement, stable contact side bearings for railcars, through the use of various combinations of features, can provide better handling characteristics for improved trailing and cornering performance. The side support includes a base and a generally cylindrical wall portion extending upwardly from the base. A cup-shaped cap includes a generally circular top and a generally cylindrical wall portion extending downwardly from the top. The cap extends into a wall portion of the base. At least one coil spring is disposed within the base and extends to the underside of the cap.

The invention discloses a cleaning and drying device for machining fire extinguisher bottles. The cleaning and drying device comprises a conveying device, a power device and a dryer. A plurality of first circular notches are evenly formed in the conveying device, supporting plates are arranged below the first circular notches respectively, and second circular notches are formed in the middle portions of the supporting plates. A protective pad is arranged on the inner side of a top flange of each supporting plate. A plurality of first springs are arranged on the outer side of each flange. An installation plate is arranged below the conveying device. The power device is arranged at the bottom of the installation plate. A water spraying pipe is arranged on the left side of the top of the installation plate. A rainwater collecting hopper is sleeved with the portion, on the outer side of the water spraying pipe, of the installation plate. The dryer is arranged on the right side of the top of the installation plate and provided with a drying pipe. According to the cleaning and drying device, elastic buffer conveying is carried out on the to-be-processed fire extinguisher bottles; as bottle bodies vertically and elastically vibrate when cleaning and drying are carried out, the cleaning effect and the drying effect on the bottle bodies are easily improved, and the working efficiency is improved.

The invention relates to the technical field of wastewater treatment, and discloses an acid wastewater treatment device, which comprises a treatment box body, wherein a water inlet pipe and a water outlet pipe are arranged on the side surface of the treatment box body, the water inlet pipe and the water outlet pipe are oppositely arranged on the side surface of the treatment box body, the water inlet pipe and the water outlet pipe are both communicated with the interior of the treatment box body, a driving device is arranged in the treatment box body and comprises a main rotating shaft, threaded columns are fixedly mounted at the upper end and the lower end of the main rotating shaft correspondingly, two stirring and separating devices are arranged on the side surface of the main rotating shaft, each stirring and separating device comprises a stirring plate, the two stirring plates are symmetrically located on the side surface of the main rotating shaft correspondingly, and an auxiliary device is arranged in each stirring plate in the same manner. According to the acid wastewater treatment device, the driving device, the stirring and separating device and the auxiliary device are used in cooperation, so that the stirring efficiency and the mixing effect are improved, and the practicability of the device is improved.

The invention discloses a grinding machine for mechanical and electrical equipment parts. The grinding machine structurally comprises a base, a double-shaft grinding mechanism, a guide rail frame, a driving device, a drag chain, a dust suppression mechanism and a workbench, and the double-shaft grinding mechanism is composed of a power shaft, a concave grinding disc, a small grinding sheet, an adhesive groove and a telescopic linkage rod. According to the grinding machine, the double-shaft grinding mechanism is utilized to achieved two kinds of grinding effects, the surface of a workpiece is grinded through the concave grinding disc, an dead angle on the surface of the workpiece is subjected to secondary grinding by using the small grinding sheet, the incomplete grinding of the workpiece is avoided, the working efficiency is improved, the labor volume is reduced, the replacing time of the grinding sheet is saved, a linkage ring is driven by the power shaft to rotate, thus when a negative pressure worm gear rotates, negative pressure wind force can be generated, scraps or dust on the surface of the workpiece is absorbed upwards, interrupting, filtering and collecting are conducted through a dust collection box, the harm of dust to the respiratory tracts of workers is avoided, and the explosion of friction between dust can further be avoided.

The invention relates to the technical field of flour processing, in particular to a screening mechanism for flour processing and a working method thereof.The screening mechanism comprises a bottom plate, a vibration assembly, a screening box, a box cover and a dust collection assembly.The first filter screen plate and the second filter screen plate are used for vibration screening, large impurities and small particle impurities in wheat can be removed, the impurity removal range is widened, and the screening efficiency is improved. The first filter screen plate and the second filter screen plate are installed by arranging the sliding ways, so that installation of the first filter screen plate and the second filter screen plate is simpler and quicker, convenience is provided for assembly and use of the screening mechanism, meanwhile, the first filter screen plate and the second filter screen plate are also convenient to disassemble, and the screening mechanism is convenient to use. And convenience is provided for cleaning the first filter screen plate and the second filter screen plate, the convenience of maintenance and cleaning of the screening mechanism is improved, and therefore the service life of the screening mechanism is prolonged.

The invention relates to the technical field of transmitters, in particular to a damping dustproof wireless communication transmitter, which comprises a movable door, a protective shell and a transmitter, a cavity is formed in the protective shell, an opening penetrating through the inside and the outside is formed in the upper end of the cavity, the transmitter is arranged in the cavity, and the movable door is hinged to the opening in the upper end of the protective shell through a hinge. A vertically-through communicating hole is formed in the middle of the movable door, a transmitting end is arranged at the center of the upper end of the transmitter, and the upper end of the transmitting end penetrates through the communicating hole and then is located above the movable door. The wireless communication transmitter is reasonable and compact in structure and convenient to use, a shock pad and a buffer spring are arranged on the inner side of the protective shell, and the transmitter is placed above the shock pad and the buffer spring, so that the problem that the wireless communication transmitter is easily collided and abraded in the moving process due to the fact that a protective shell of an existing wireless communication transmitter is not provided with a shock absorber is solved; collision abrasion of the emitter in the moving process is reduced, and the service life of the emitter is prolonged.

The invention discloses an AGV good in stability performance and belongs to the field of warehouse cargo transport. The AGV good in stability performance comprises a vehicle body. Fixed blocks are fixedly connected to the left end and the right end of the vehicle body. Buffer boards are arranged on the sides, away from the vehicle body, of the fixed blocks. A pair of telescopic rods are fixedly connected between each buffer board and the corresponding side wall of the vehicle body and located on the upper side and the lower side of the corresponding fixed block. The telescopic rods are sleevedwith compression springs. Matched supporting boards are fixedly connected with the ends, near the fixed blocks, of the buffer boards. Cavities are formed in the buffer boards. Piston barrels are fixedly connected to the inner walls at the ends, near the supporting boards, of the buffer boards. Matched piston push boards are arranged in the piston barrels. Connecting boards are fixedly connected to the ends, near the supporting boards, of the fixed blocks. Piston push rods are fixedly connected to the ends, away from the fixed blocks, of the connecting boards. Through holes are formed in the supporting boards and the ends, near the supporting boards, of the buffer boards. Collisions caused by external factors can be buffered, and the stability performance of the AGV is improved.

The invention relates to the technical field of packaging equipment, and discloses an automatic continuous apple packaging machine. The automatic continuous apple packaging machine comprises a rack, and a conveying device is arranged on the upper side of the rack; the rack is provided with a six-base rotating frame, six stations of the six-base rotating frame are each provided with a packaging sleeve in a penetrating manner, a six-rod foam sleeve opener is arranged in each packaging sleeve, and a foam net shear is arranged on the lower side of each packaging sleeve; a net sleeve opening mechanism is arranged under the six-base rotating frame, a packaging box pallet used for driving a conveying mechanism is arranged under the six-base rotating frame, and a lifting mechanism is arranged on the lower side of the packaging box pallet; and the side, in the direction of being perpendicular to the conveying direction of the conveying device, of the packaging box pallet is provided with a feeding conveying mechanism used for conveying cartons, the other side, in the direction of being perpendicular to the conveying direction of the conveying device, of the packaging box pallet is providedwith a delivering conveying mechanism used for conveying the cartons, and an encapsulating mechanism used for pressing and sealing the cartons is arranged above the delivering conveying mechanism. Theautomatic continuous apple packaging machine has the advantages of being high in packaging efficiency and low in manufacturing cost.

The invention relates to the technical field of vacuum cleaners, in particular to a frame structure of a hand-held vacuum cleaner and the hand-held vacuum cleaner. The frame structure of the hand-heldvacuum cleaner includes a frame body; the frame body is provided with a mounting groove for mounting a dust cup and an avoidance groove formed below the dust cup. According to the scheme, the avoidance groove is formed in the frame body and located below the dust cup, when the avoidance groove is disassembled or assembled, the lower portion of the frame body is not easily collided, the collisionabrasion among parts is reduced, and the service life of the product is prolonged.

The invention discloses a double-cone low-consumption anti-abrasion hydraulic cyclone separator, and relates to a cyclone separator. A separator shell is composed of a cylinder cavity shell and a cone cavity shell, an overflow outlet is vertically formed in the center of the top, a tube inlet is formed in the edge of the top in the tangent direction, an underflow outlet is formed in the bottom, an inner cone is fixed in the separator shell through a fixing fin, and an upper end opening is not higher than the lower end of the overflow outlet; the inner cone is designed according to a zero-axial-speed enveloping surface of the hydraulic cyclone separator; an injection-compression anti-abrasion assembly comprises a plurality of injection-compression channels which are evenly arranged outside the separator shell in a communicating mode, and a continuous phase with pressure is injected into the separator shell through the injection-compression channels. According to the double-cone low-consumption anti-abrasion hydraulic cyclone separator, the inner cone is inserted into the zero-axial-speed enveloping surface of the hydraulic cyclone separator, the inner cyclone and the outer cyclone are separated to prevent mutual interference of fluid, the injection molding anti-abrasion assembly is arranged to weaken collision abrasion of solid particles, and separation energy consumption and abrasion are reduced under the condition that the separation efficiency is guaranteed.

The invention provides a gas outlet valve with dual-ball sealing. The gas outlet valve with dual-ball sealing is small in part number, simple in structure, low in cost, good in performance stability and high in reliability. The gas outlet valve with dual-ball sealing comprises a valve body 1 and a bonnet 2 matched with the valve body 1. The valve body 1 is provided with an A tower gas outlet 11, aB tower gas outlet 12 and a valve body gas outlet 13. An A and B tower gas outlet communication pipe 21 is arranged in the bonnet 2. The A and B tower gas outlet communication pipe 21 is provided with through holes corresponding to the position of the A tower gas outlet 11, the position of the B tower gas outlet 12 and the position of the valve body gas outlet 13 respectively. An A tower sealingball 3 is arranged at the position of the A tower gas outlet 11. A B tower sealing ball 4 is arranged at the position of the B tower gas outlet 12. The gas outlet valve with dual-ball sealing is applied to the technical field of gas valves.

The invention discloses a deflector and a spouted bed. The disclosed deflector includes a deflector, and the two surfaces of the deflector are provided with a plurality of protrusions, and the outer surface of each protrusion is sphere. Further, the deflector is a rotatable structure, and the direction of rotation is tangent to the direction of fluid flow. The disclosed spouted bed is equipped with the above-mentioned deflector, and the deflector is located below the fountain area. The invention is simple in structure and easy to process and manufacture, and can effectively overcome the shortcomings of lack of lateral mixing of particles in the traditional spouted bed bed, so that the surface of some particles cannot be fully utilized, and enhance the radial spray area and annular gap area in the spouted bed The horizontal mixing of particles and fluid in the spouted bed improves the overall mass transfer and heat transfer of the particles-fluid in the spouted bed, and increases the overall material handling capacity of the spouted bed.

The invention discloses a protection structure for a forest line fire inspection drone, which includes a storage frame, a guard plate, a main control board, a top defense board and a sponge clip. A protective structure is arranged above the storage frame. A baffle plate, and a main control board is sheathed in the middle of the baffle plate. The beneficial effect of the present invention is that: several concave slots set on the top ring are embedded and clamped to fix the components on the UAV, so as to ensure that the UAV is more stable and reliable for installation and use on the protective structure, and Cooperate with the sponge clip embedded between the UAV and the shield plate of the protective structure to provide shock absorption and buffer force for the UAV, reducing the vibration of the UAV during flight and the vibration between the UAV and the protective structure. The collision wear between them improves the service life of the UAV and the protective structure; the motor on the rotating bracket drives the rotor blade to rotate quickly to assist in driving the UAV flight work, ensuring the safety of the UAV flight inspection work. The power is more sufficient and the activities are more sensitive and faster.

The invention discloses a quantitative packaging scale for functional color masterbatch packaging, which belongs to the field of color masterbatch packaging scales. It is a quantitative packaging scale for functional color masterbatch packaging. The quantitative packaging scale of this solution is in normal use. In the process, the functional color masterbatch will be added along the inner wall of the feeding funnel, and the feeding funnel will rotate at a low speed synchronously during the adding process, so that the functional color masterbatch will be more uniform in the process of falling along the inner wall of the feeding funnel, and it will not be easy to concentrate on a certain part of the feeding funnel. On one side, the distribution of functional masterbatches is relatively uniform, and the function of the three-dimensional helical elastic screw end makes it difficult for functional masterbatches to collide with the feeding funnel, reducing the occurrence of functional masterbatches in the feeding process due to collisions. The phenomenon of cracking or peeling of pigment blocks attached to the surface can be achieved. During the process of packaging color masterbatch with quantitative packaging scales, it is not easy to cause the pigment on the surface of the color masterbatch to fall off, and it is not easy to affect the normal processing of the color masterbatch.

The invention relates to the field of flue gas treatment, and in particular, relates to a fixed bed desulfurization reaction device and a use method thereof. The fixed bed desulfurization reaction device comprises a desulfurization bin, and the interior of the desulfurization bin is divided into a plurality of desulfurization chambers which are connected in series in the horizontal direction by inter-chamber mesh diversion partition walls; a desulfurizing agent feeding section is arranged at the top of the desulfurizing bin, a plurality of desulfurizing agent feeding sites are arranged in the desulfurizing agent feeding section, each desulfurizing chamber at least corresponds to one desulfurizing agent feeding site, and each desulfurizing agent feeding site corresponds to one butterfly-shaped buffering material guide device and one discharging stabilizer; and two ends of the desulfurization bin in the horizontal direction are respectively provided with a flue gas inlet and a flue gas outlet, the flue gas inlet and the flue gas outlet are neck-expanded structures, and inlet and outlet mesh guide partition walls are arranged at the joints of the neck-expanded structures and the desulfurization bin. The device mainly aims at overcoming the defects that in the prior art, material adding and discharging fluency is not high, the utilization efficiency of a desulfurizing agent is low, device resistance consumption is large, and dust removal performance is poor.

The invention discloses a cleaning and drying device for fire extinguisher bottle processing. The cleaning and drying device for fire extinguisher bottle processing comprises a transfer device, a power device and a dryer. A plurality of round notches are uniformly formed in the transfer device, a supporting plate is arranged below each first round notch, a second round notch is formed in the middle of each supporting plate, a protecting pad is arranged on the inner side of a top flange of the supporting plate, a plurality of first springs are arranged on the outer side of each flange, a mounting plate is arranged below the transfer device, the power device is arranged at the bottom of the mounting plate, a water spraying tube is arranged on the top left side of the mounting plate, a rainwater collecting hopper is connected to the mounting plate on the outer side of the water spraying tube in a sleeving mode, the dryer is arranged on the right side of the top of the mounting plate, anda drying tube is arranged on the dryer. By elastically transferring a to-be-processed fire extinguisher bottle in a buffer mode, the bottle body vibrates elastically up and down when being cleaned anddried, so that the cleaning and drying effects of the bottle body are improved favorably, and the work efficiency is improved.

The invention discloses an AGV good in stability performance and belongs to the field of warehouse cargo transport. The AGV good in stability performance comprises a vehicle body. Fixed blocks are fixedly connected to the left end and the right end of the vehicle body. Buffer boards are arranged on the sides, away from the vehicle body, of the fixed blocks. A pair of telescopic rods are fixedly connected between each buffer board and the corresponding side wall of the vehicle body and located on the upper side and the lower side of the corresponding fixed block. The telescopic rods are sleevedwith compression springs. Matched supporting boards are fixedly connected with the ends, near the fixed blocks, of the buffer boards. Cavities are formed in the buffer boards. Piston barrels are fixedly connected to the inner walls at the ends, near the supporting boards, of the buffer boards. Matched piston push boards are arranged in the piston barrels. Connecting boards are fixedly connected to the ends, near the supporting boards, of the fixed blocks. Piston push rods are fixedly connected to the ends, away from the fixed blocks, of the connecting boards. Through holes are formed in the supporting boards and the ends, near the supporting boards, of the buffer boards. Collisions caused by external factors can be buffered, and the stability performance of the AGV is improved.

The invention relates to a foldable positioning plate for a reamer, and belongs to the technical field of reamer positioning. According to the foldable positioning plate for the reamer, a main plate and an inner plate are connected through a hinge, and the main plate and a lower plate are connected through a hinge. When the positioning plate is unfolded, the main plate and the inner plate are connected through a fixing plate, and the main plate and the lower plate are connected through a fixing plate. When the positioning plate is folded, the inner plate is connected and attached to the main plate through the hinge, and the lower plate is connected and attached to the main plate through the hinge. The lower edge of the inner plate is provided with an arc boundary, a check plate is arranged, a distance is kept between the check plate and the arc boundary of the lower edge of the inner plate, and the boundary of the inner plate is provided with a rib plate. The main plate is provided with an arc positioning boundary, a check plate is arranged, a distance is kept between the check plate and the arc positioning boundary, and a rib plate is arranged on the boundary of the main plate. The inner edge of the lower plate is provided with an arc boundary, a check plate is arranged, a distance is kept between the check plate and the arc boundary of the inner edge of the lower plate, and the boundary of the lower plate is provided with a rib plate. The foldable positioning plate has the advantages that the structure is simple, on-site construction is achieved, disassembly and assembly are convenient, conveying is convenient, and the positioning precision is high.

The invention discloses a cable multi-angle adjusting and fixing method, and the method comprises the following steps of S1, providing a multi-angle adjusting cable fixing device, and adjusting the distance between two first clamping blocks in different groups on each adjusting disc so as to enable the distance on each adjusting disc to be matched with the diameter of a to-be-fixed cable; S2, enabling a plurality of cables to respectively pass through two first clamping blocks and two second clamping blocks in the same group, and enabling a second bolt to pass through the first clamping blocksand the second clamping blocks to move towards the bottom end of the sliding groove until the second bolt abuts against the end surface of the sliding groove; S3, pulling a limiting block to move outwards through a connecting ring, and rotating the adjusting disc to enable the direction of the sliding groove in the adjusting disc to reach a preset position; S4, loosening the connecting ring, andmeshing the limiting teeth with the clamping teeth on the adjusting disc; and S5, clamping the cable between the two first clamping blocks and the two second clamping blocks in different groups on theadjusting disc 7.

The invention discloses a double-layer punching machine. The double-layer punching machine comprises a rack, an upper working plate, a lower working plate and a hydraulic cylinder located at the top of the rack, wherein an adjustment plate is fixedly arranged at the top of the hydraulic cylinder; a plurality of Y-directional limit through grooves are formed in the adjustment plate and at one end of the hydraulic cylinder in the form of an array; a plurality of X-directional limit through grooves are formed in the adjustment plate and at one side of the hydraulic cylinder in the form of an array; location plates slidably penetrate in the Y-directional limit through grooves and the X-directional limit through grooves separately; working through grooves allowing the location plates to penetrate through are formed in the upper working plate; and a plurality of limit mechanisms controlling the positions of the location plates to be fixed are arranged on the adjustment plate. The double-layer punching machine is capable of realizing simultaneous punching working for two workpieces, and capable of rapidly realizing the uniform positions of the two workpieces on the double-layer punching machine, thereby ensuring the punching qualification rate and increasing the working efficiency.