68results about How to "Good fixed position" patented technology

The invention relates to a firing device of a Hopkinson pressure bar, and particularly relates to a bullet firing device of a Hopkinson pressure bar. The bullet firing device of the Hopkinson pressure bar comprises a support table (11), a firing cavity (12) fixed on the support table (11), a firing tube (13) connected with the firing cavity and a base (15) for bearing the support table; the support table (11) is provided with a slide support (14) for supporting the firing tube (13) along the length direction; one end of the firing tube (13) close to the firing cavity (12) is provided with a bullet filling opening (131) which is provided with a sealing door (132). Compared with the traditional device, the bullet firing device of the Hopkinson pressure bar, which is provided by the invention, has the advantages that bullets can be filled into the tail end of the firing tube from the bullet filling opening instead of being from the tube opening of the firing tube and are then pushed into the firing tube by iron wires, so that the bullets are extremely convenient to fill, and the using efficiency is improved.

A Magnetic Resonance Imaging system includes a plurality of auxiliary magnets that are disposed around the main magnets to adjust the interval between the main magnet and the auxiliary magnets and the interval between the main magnet and the auxiliary magnets respectively.

Machines and systems for chemical, foodstuffs and pharmaceuticals industry are subject to particularly demanding requirements for hygiene. In particular, equipment used in such machines, must avoid any gaps, in which dirt, bacteria or germs could settle. To avoid this, a hygiene-compliant display and control device having a front plate is proposed, having a peripheral groove, which is open on the outer peripheral surface of the front plate, on the outer edge of the front plate, and a sealing element fitted in the peripheral groove. The outer peripheral surface of the sealing element is arranged flush with the outer peripheral surface of the front plate, and a number of clamping arrangements with a pressing element are provided on the display and control device distributed around the periphery. One axial end of the pressing element engages with a fixing frame, which rests on the mounting plate, or with the mounting plate.

The invention relates to a secondary structure casting machine lifting system which comprises guide rails, a feeding hopper, four guide wheels and a machine frame. The guide rails are installed at the side end of the machine frame. The guide rails comprise one set of guide rails A on the outer side and one set of guide rails B on the inner sides of the guide rails A. The guide rails A are attached to the guide rails B. The guide rails B 6 can slide along inner grooves of the guide rails A 14. A limiting baffle for limiting the guide rails B is arranged at the lower ends of the guide rails A. A limiting mechanism is installed at the upper ends of the guide rails B. The guide wheels are installed on a guide wheel support in a rectangular shape. The guide wheel support can be driven by a driving mechanism installed on the machine frame to move up and down along the guide rails A and the guide rails B. The feeding hopper is also installed on the guide wheel support. The secondary structure casting machine lifting system has the advantages that the structure is small, the weight is low, the purpose that the feeding hopper conveys mortar up and down is achieved with only one motor according to the driving telescopic system, and the structure can reach the positions of most wood former casting openings on the current market.

A cable assembly including a cable, a metal clamp, and a tuboid metal case. The cable includes a outer insulator and a outer conductor thereinside. The outer conductor includes a protruding portion protruding to one side in the first direction from an end portion of the outer insulator on the one side in the first direction. The clamp holds the protruding portion and includes an end portion on the other side in the first direction. The metal case includes a swaged portion, which houses at least the end portion of the outer insulator and the end portion of the clamp. Swaged from outside, the swaged portion is in pressure contact with and fixed to at least the end portion of the outer insulator and the end portion of the clamp so that the end portion of the outer insulator is elastically deformed and the end portion of the clamp is plastically deformed.

The invention provides a contact detection device for a blade wax model of a gas turbine engine and a detection method thereof. The detection device comprises a base, a process ball, the blade wax model and a measuring device. The measuring device comprises a vertical rod, a cross rod, a material melting port, a heating device and a clamping device. The detection device and the detection method can effectively improve the rigidity of the to-be-detected wax model, can ensure that repeatability and reproducibility requirements of a measuring system can be met in the measuring process, and can improve the accuracy of detecting the size of the wax model; the accurate control of the material melting amount by a material melting mechanism, the position and the height of the material melting portcan be realized by the design of the material melting mechanism, and differences in fixing strengths and positions of the wax model when manually melting the material and welding can be effectively improved, so that the welding consistency is improved.

The invention relates to the technical field of mixers and discloses a stable small-size concrete mixer facilitating position fixation. The stable small-size concrete mixer comprises a barrel body. Bottom pillars are fixedly mounted at the two ends of the lower surface of the barrel body correspondingly. A first pulley is movably mounted at the bottom of each bottom pillar. A bottom plate is connected to the bottoms of the outer surfaces of the bottom pillars in a sleeving manner. A movable plate is movably connected to the top of the outer surface of each bottom pillar. The two ends of the lower surface of each movable plate are each fixedly provided with a support pillar, wherein one end of each support pillar penetrates the bottom plate and extends to the position below the bottom plate. According to the stable small-size concrete mixer facilitating position fixation, the bottom plate is mounted at the bottoms of the outer surfaces of the bottom pillars, and therefore, a motor and avibration reduction device can be mounted conveniently; vibration is reduced when the stable small-size concrete mixer is used, thus noise generated by the stable small-size concrete mixer is reduced, and the environment is well protected; by means of the mounted movable plates, the support pillars and springs, when the stable small-size concrete mixer is used, the movable plates are rotated to be in threaded connection with the bottom pillars, so that clamping teeth are clamped onto the ground; and the stable small-size concrete mixer can be more stable in the working process.

The invention discloses a method for selecting a fixed position of an RFID tag on the outer side of a packaging box. The method comprises the following steps that (1) an antenna of an RFID reader is fixed over a conveying belt or under the conveying belt or on the upper left portion or the upper right portion of the conveying belt, then information of each packaging box is written into an electronic tag of the corresponding packaging box, and the ID number of each electronic tag is unique; (2) the packaging box carrying the labels is placed on a conveying belt, the packaging box passes throughan RFID reader at a constant speed, data of the RFID labels passing through the reader at the constant speed are obtained from an interface of the RFID reader on the conveying belt, and the data comprise label numbers epc, time timings and signal strength RSSI. The electronic tags are arranged on the six faces of the packaging box respectively, and data and the like of the packaging box and the RFID tags overturned by 90 degrees are tested.

The invention discloses a small quick heater which comprises a shell, insulating layers, insulating studs, a heating net, electrodes and asbestos gaskets, wherein the heating net is fixed on the insulating studs on the two sides of a channel of the shell in a tensioned mode to enable a multi-layer grid structure to be formed in the channel, the electrodes are arranged at the two ends of the shell respectively to fasten the heating net, the power supply ends of the electrodes and flanges are fastened to the shell through insulating screws, the insulating layers are arranged between the electrodes and the shell, the asbestos gaskets are arranged between the electrodes and the flanges, and the heating net is electrified and heated through the electrodes to achieve reliable power supply. According to the small quick heater, multi-layer folding wire mesh is adopted to serve as a heating element, the wire mesh is arranged perpendicular to the liquid flowing direction in a single-layer or multi-layer mode, and by means of the characteristics that the contact area between liquid and the heating element is large and heat exchange is strong, the efficiency of heat exchange between the liquid and the heating element is high. The heater is used for quick heating of liquid working media in a channel under the condition that non-conducting liquid is still or moves, and especially suitable for quick heating of liquid with small flow.

A combustion apparatus has a burner including a burner body and a combustion plate, as well as a combustion box. A combustion plate flange part projects outward beyond an inner rim of a body flange part and beyond an inner rim of a combustion box flange part. A packing has a portion interposed between the combustion plate flange part and the body flange part, and a portion interposed between the combustion box flange part and the body flange part outside an outer rim of the combustion plate flange part. A distribution plate having formed therein a multiplicity of distribution holes for introducing the air-fuel mixture toward an air-fuel mixture ejection part is provided with a distribution plate flange part so arranged as to come into direct contact with that portion of the combustion plate flange part which is positioned inside an inner rim of the packing.

The invention discloses a service type real estate information display board, and specifically relates to the field of real estate consultation service; a main body is included, and a panel is arranged at the top of the main body; a display screen is arranged on the surface of the front side of the panel; side plates are arranged on the two sides of the panel; a top plate is arranged at the tops of the side plates; a control panel is arranged on the surface of the front side of the main body; fixed seats are arranged on the two sides of the main body; according to the invention, a second electric push rod is controlled to work by pressing a control switch on the surface of the control panel through the fixed seats and vacuum suction cups; the second electric push rod pushes a lifting plateto move downwards, the vacuum suction cups tightly suck the ground to limit the position of the main body from the two sides, the main body is prevented from moving, customers can conveniently checkthe position, and the main body can be conveniently fixed and moved.

A female member (1) of a snap fastener includes a main body (2) made of a metal and having a cylindrical tube portion (23) and a dish-shaped portion (22), a resin spring (3) housed in the main body (2), and a surface covering member (4) crimped onto the cylindrical tube portion (23). The resin spring (3) is a resin plate that can be housed in the main body (2), and the resin plate has a slot (35, 35A, 35B, 35C) at a central portion thereof. The cylindrical tube portion (23) has a support portion for the resin spring (3), and the resin spring (3, 3A, 3B, 3C) is fixed in position by the support portion.

The invention provides an education auxiliary device. The device comprises a movable base, an outer cylinder and a second rotating shaft, and supporting plates are installed on the two sides of the movable base. A threaded rod penetrates through the inner side of the supporting plate, the outer cylinder is located above the movable base, an inner rod is installed on the inner side of the outer cylinder, a notch is reserved in the outer wall of the inner rod, a clamping rod penetrates through the inner side of the notch, a first rotating shaft is installed above the inner rod, and a book containing plate is connected to the outer side of the first rotating shaft. The invention provides the education auxiliary device. Mobile teaching can be carried out in a classroom in all directions. The problem of foot ache caused by long-time fixed-point teaching of a user can be solved, position fixing operation can be carried out at any time according to the position of the user, the teaching experience of the user can be improved, the teaching effect of the user can be improved, the situation that the user needs to manually fix a book and a microphone is avoided, and two hands of the user areliberated.