41results about How to "Conditions to prevent vandalism" patented technology

The invention discloses a forming device for an aerospace composite material. The forming device comprises a base and an installing base. Supporting columns are symmetrically arranged on the upper surface of the base in a vertically welded manner. An installing base is fixedly arranged on the end portions of the supporting columns in a welded manner. A locating base is vertically arranged on one side of the installing base. A locating groove is formed in the locating base. The supporting columns are symmetrically arranged on the upper surface of the base, the installing base is arranged abovethe supporting columns, the locating base and a moving base are arranged on the two sides of the installing base correspondingly, meanwhile, a locating block arranged on the end portion of a moving rod is arranged in the locating base in a sliding manner, and thus, the moving rod is relatively stable when moving. A moving plate arranged on the end portion of the moving rod is arranged in the moving base, thus, vibration generated in the working process of the structure is not distributed to the edge as much as possible, and pressurizing can be carried out better. Sliding blocks are symmetrically arranged on the two sides of the moving plate and arranged in sliding grooves in a sliding manner, and thus when the moving plate moves, the vibration is reduced as much as possible.

The invention discloses a gear punching machine with a clamping function. The gear punching machine with the clamping function comprises a chopping board body, wherein a frame is fixedly connected tothe upper surface of the chopping board body; a first through hole is formed in the middle of an inner top wall of the frame; two symmetrical second through holes are formed in the upper parts of inner side walls of the frame; slide rails adaptive to the frame are fixedly connected to the inner part of the frame, and are located under the two second through holes; a third through hole is formed inthe middle of the upper surface of each slide rail; support rods are fixedly connected to the upper parts of the left side surface and the right side surface of the frame; and a motor is fixedly connected to the upper surface of each support rod. According to the gear punching machine with the clamping function, an effect on moving a clamping plate left and right is achieved, a gear clamping function is realized, the occurrence of the phenomenon that a punching position is deviated since a gear is shaken when being punched is prevented, an effect on downwards moving a drill bit is achieved, and the gear punching machine with the clamping function has a function of using the drill bit for punching the gear, and is better in clamping performance.

In order to protect a connection portion for connecting to external equipment, a voice recording apparatus includes a main body case having a battery housing portion for housing a battery and a connection portion housing portion arranged in line with the battery housing portion, a base portion having a connection portion connectable to the external equipment fixed thereto and being supported on the main body case in such a manner as to be displaceable between a first position in which at least the connection portion is housed in the connection portion housing portion and a second position in which the connection portion is outside of the connection portion housing portion, and a cover which may open and close the battery housing portion and the connection portion housing portion when the connection portion is in the first position.

The invention discloses a safe with a door pin automatic reset mechanism. The door pin automatic reset mechanism includes a brake, a return spring, a first positioning pin, a second positioning pin, and a torsion spring. The arc-shaped limiting groove has a first limit position, the second limit position; when the brake rotates around the first positioning pin under the action of the torsion spring, so that the first limit position of the arc-shaped limit groove coincides with the installation position of the second positioning pin, the brake blocks the pin head of the door pin stretch out, the safe door is in the open state; when the brake reversely rotates around the first positioning pin under the action of the torsion spring, so that the second limit position of the arc-shaped limiting groove coincides with the installation position of the second positioning pin, the brake will Stagger the stretching position of the pin head of the door pin, the pin head of the door pin fully stretches out under the elastic force of the compression spring, and the safe door is in the automatic closing state. Therefore, the present invention can effectively avoid the property loss caused by forgetting to turn the handle when closing the door.

The invention discloses a multifunctional test fixture for an automobile roof beam. The multifunctional test fixture comprises an upper clamp body, a lower clamp body, bolt holes and bolts, wherein aninclined surface of the upper clamp body is arranged inside the upper clamp body; an inclined surface of the lower clamp body which is fit with the inclined surface of the upper clamp body is arranged inside the lower clamp body; the bolt holes are formed in the positions of four corners of the upper clamp body and in the positions on the lower clamp body aligned with the positions of the bolt holes on the upper clamp body; the bolt holes penetrate through the upper clamp body and the lower clamp body; the bolts penetrate through the bolt holes and are fastened and locked by nuts; the lengthof the upper clamp body is less than the length of the lower clamp body. In the multifunctional test fixture, the inclined surfaces can be fully fit with the inclined surface of a test piece, so thatthe compression load is uniformly transferred to the test piece by a pressure head of a tester in a compression test, the clamping part of the fixture can be prevented from being damaged and the requirements of the compression test for smaller clamping areas and the requirements of three-point bending test for larger clamping areas can be met simultaneously.

The invention discloses a dustproof drying device for textile processing. The box comprises a box body, wherein two circular through holes are formed in one side of the inner wall of the box body; thebox body is fixedly connected with a dust collection box at the circular through holes, and one end of the dust collection box is fixedly connected with an external negative pressure fan system; supporting rods are fixedly connected to two sides of the top end of the dust collection box, and a dust collection cylinder is fixedly connected to the outside of one end of the dust collection box; a plurality of dust collection holes are formed in the outside of the dust collection cylinder, and a rotary drum is arranged at the top end of each supporting rod; the bottom end of each rotary drum is provided with a sliding groove, and each rotary drum is in sliding connection with the corresponding supporting rod at the corresponding sliding groove; the outer part of each rotary drum is provided with a plurality of through holes, and the outer part of each rotary drum is fixedly connected with a hard bristle brush ring at one sides of the dust collection holes. Compared with an existing device, the dustproof drying device for textile processing has the advantages that by arrangement of the dust collection box, air flow inside the box body is driven to move by starting an air heater and thenegative pressure fan, fan blades are driven to rotate, the fan blades drive the rotary drums to clean the dust collection holes of the dust collection cylinder, and the dust collection capacity of the device is improved.

The invention provides a machine tool, which belongs to the technical field of machinery. The machine tool solves the technical problems that a lathe has higher cost and a complicated structure and so on. The lathe comprises a stand, a fixture, a workpiece feeding device, a loading pipe, a push rod, a longitudinal splint, and a cutter, wherein the stand is provided with a post rod which is connected with a moving mechanism, the post rod can push the push rod to move towards the fixture when the loading pipe faces to the fixture; a reset spring 1 of which both ends act on the push rod and the loading pipe respectively is sleeved outside the push rod, and the post rod can push the cutter to move towards the inside of the fixture when the cutter faces to the fixture; and a reset spring 2 which ensures that the cutter exits from the fixture is arranged between the longitudinal splint and a transverse splint. The machine tool has the advantages of saving partial power source, reducing manufacturing cost of machine tools, optimizing structures of the machine tools, having high qualification rate of processed workpieces and so on.

The invention discloses automatic pasting and scanning equipment of embryos bar codes. The equipment comprises a PLC, a frame, and a bar code conveying and scanning unit and a bar code pasting unit arranged on the frame; the bar code conveying and scanning unit includes a feeding mechanism, a label stripping mechanism, a bar code storage table, a scanning module, a label detecting mechanism, a collecting mechanism and a guide mechanism; the bar code pasting unit includes a rotating cylinder, an extension cylinder fixedly connected with a cylinder rod of the rotating cylinder, and a bar code picking / releasing part fixedly connected with a cylinder rod of the extension cylinder; the collecting mechanism is connected with a driving motor for driving the collecting mechanism to collect materials; and the scanning module, the label detecting mechanism, the rotating cylinder, the extension cylinder, the bar code picking / releasing part and the driving motor are electrically connected with the PLC. The equipment has the beneficial effects of possession of automatic identifying and control capacity, guarantee accurate embryos production, possession of material identifying capacity, verification of material information and possession of a control operation step.

An electrostatic discharge protection structure comprises a P-type substrate, an N-type well region and a P-type well region located in the P-type substrate, a first N-type doping region and a first P-type doping region located in the N-type well region, a second N-type doping region and a second P-type doping region located in the P-type well region, and a counter doping region located in at least one well region, wherein the N-type well region and the P-type well region are adjacent and contacted; the first N-type doping region and the first P-type doping region are coupled with an electrostatic discharge input end; the second N-type doping region and the second P-type doping region are coupled with an electrostatic discharge output end; and the counter doping region is used for enhancing impedance between the electrostatic discharge input end and the electrostatic discharge output end. According to the electrostatic discharge protection structure provided by the technical scheme of the invention, the maintaining voltage is large, and latch-up effects can be avoided.

The invention belongs to the technical field of high-voltage wire plug connectors, in particular to a high-voltage wire plug connector for the power industry. The high-voltage wire plug connector comprises a first wire, a first binding post, a first rack, a first gear, a second rack, a second gear and the like, so that during the mounting process of a first fixing shell and a second fixing shell,the widths of the first fixing shell and the second fixing shell are increased, at the moment, the first rack and the second gear as well as the first gear and the second rack enable the movement displacement at the two ends of the first fixing shell and the second fixing shell to be the same, and the first fixing shell and the second fixing shell are prevented from moving and displacing differently, so that the first fixing shell and the second fixing shell are prevented from being stuck in the mounting process and can be mounted very easily, and accordingly the mounting difficulty of the first fixing shell and the second fixing shell is reduced.

The invention provides a prefabricated anti-seismic support and hanger, comprising a support and hanger main body, a triangular diagonal brace, a diagonal bracing, an anti-seismic connecting member, a shock-absorbing spring, and a tilt detector. There are diagonal braces on both sides of the main body of the hanger, the angle between the diagonal bracing and the main body of the hanger is 45°, the triangular diagonal bracing and the diagonal bracing are provided with anti-seismic connecting members, and the horizontal frames on the main body of the hanger are provided with The shock-absorbing spring is provided with a tilt detector on one side of the shock-absorbing spring. The beneficial effect of the present invention is that: the anti-seismic support and hanger is provided with a U-shaped shock-absorbing spring, which reduces the vibration or pressure on the dense busbar and prevents it from being under strong Under the action of earthquake and in the process of logistics and transportation, it is damaged by random vibration; the anti-seismic support and hanger is equipped with a tilt detector, which is mainly used to monitor the tilt of the support and hanger in real time during the installation process and the process of putting into use. The support and hanger are damaged due to strong earthquakes and the inclination of the pipeline during the logistics and transportation process.

The invention belongs to the technical field of high-voltage electric wire connectors, and in particular relates to a high-voltage electric wire connector used in the electric power industry, which includes a first electric wire, a first terminal post, etc. The high-voltage electric wire connector in the present invention has the The high-voltage connector has a first rack, a first gear, a second rack, a second gear, etc., so that when the first fixed shell and the second fixed shell are installed, the first fixed shell and the second fixed shell at this time The width of the two fixed shells will become larger, so the first rack and the second gear and the first gear and the second rack will make the movement displacement at the two ends of the first fixed shell and the second fixed shell Change the same, prevent the first fixed shell and the second fixed shell from being different in movement displacement, so as to prevent the first fixed shell and the second fixed shell from being stuck during the installation process, which will make the first fixed shell and the second fixed shell The installation of the second fixed shell is very easy, so as to reduce the difficulty of installing the first fixed shell and the second fixed shell.

The invention discloses a fireproof cable, which comprises more than one strand of cables vertically arranged in a cable shaft, each strand of cable includes more than one fixing ring and more than one connecting rod between adjacent fixing rings, the connecting rod It is evenly arranged along the fixed ring; a sealed cavity is formed between adjacent connecting rods, and each sealed cavity is sealed by a sealing sheet with fireproof capability. The fixed ring is provided with a corresponding seal facing the sealed cavity. The sliding chambers, the sealing sheets are loaded from the sliding chambers and seal each sealing chamber, the upper and lower ends of each sealing sheet are respectively butted and contacted and the upper and lower ends of the sealing sheets are located in the sliding chambers of the adjacent sealing chambers. The whole cable of the present invention is wrapped and sealed by more than one sealing sheet, which has very good fireproof ability, and can quickly replace the sealing sheet after being subjected to flame, so that the cable can be in an optimal fireproof state for a long time.

The invention discloses a preparation method and application of a ready-to-use antibody reagent (immunohistochemical), and relates to the field of pathological detection reagents. The universal antibody diluent comprises a biological buffer solution, a protein protective agent, a protein stabilizer, a polymer accelerator (sensitizer), a protein dispersant, an efficient protease inhibitor, a preservative and the like, so that the universal antibody diluent has the characteristics of high sensitivity, low background, clear dyeing and long period of validity.