19results about How to "Guaranteed angle" patented technology

The utility model relates to the technical field of coal mine tunnel supporting, in particular to a turnover type sliding anchor drilling platform which comprises a lower layer fixing platform assembly and an upper layer sliding platform assembly. The upper-layer sliding platform assembly comprises a left anchor drill platform and a right anchor drill platform. The left anchor drilling platform and the right anchor drilling platform are each provided with two sets of top anchor devices and one set of side anchor devices. Small-angle adjustment of the upper-layer top anchor device in the front-back direction and the left-right direction is achieved, meanwhile, the upper-layer top anchor device can rotate forwards by 90 degrees to achieve large-angle adjustment, and the top anchor device is located in a top-free area at the upper end of the cutting part. The upper-layer side anchor device supports the side wall and can adapt to different row pitch construction, the anchor rod supporting construction range and angle are guaranteed, and multi-degree-of-freedom, multi-angle and wide-range flexible and efficient supporting operation suitable for low roadways and small empty top distance complex geological conditions is achieved.

The utility model relates to total station technical field especially convenient to carry's total station. Including pedestal, the pedestal sets up U -shaped platform body structure, the sliding side plate is set up in the both sides of pedestal, and the organism is rotatably connected between the sliding side plate, the both sides of pedestal respectively fixedly set up are a pair of sliding groove seat, the buffer board is slidably connected between the sliding groove seat, the screw hole is set up in the sliding groove seat bottom, and the screw hole is screw thread connection has the limit rod, the connecting block that the limit rod rotates into is fixedly connected in the sliding side plate inboard, and the slot that the connecting block moves up and down is set up in the pedestal inboard. The utility model solves the technical problem that: in the prior art, total station lens is vulnerable to damage in the transportation process, and the portability is poor, and the precision and the use convenience are affected.

The utility model relates to a quick rolling device for a connecting pipe batten, which belongs to the technical field of rolling equipment and comprises a base, two fixing supports and a shaft seat, the shaft seat is fixedly mounted in the middle of the top of the base, and the fixing supports are fixedly mounted on the top of the base. The two fixing supports are symmetrically installed on the two sides of the shaft seat and have a certain distance from the shaft seat, the first oil cylinder is installed on the fixing support on one side, the second oil cylinder is installed on the fixing support on the other side, the first die is installed at the end, close to the shaft seat, of the first oil cylinder, and the second die is installed at the end, close to the shaft seat, of the second oil cylinder. The batten rolling device is used for rolling battens, the rolling angle is guaranteed, the labor intensity of workers and the production cost are reduced, and meanwhile the productivity is improved.

The utility model relates to the technical field of lamps, in particular to an atmosphere lamp device which comprises a rotating support and a lamp body detachably installed on the rotating support. The rotary support comprises a seat plate, and a connecting and fixing structure is arranged on the surface of one side of the seat plate and used for being connected and fixed to an installation wall. The other side of the seat plate protrudes outwards and is provided with two hinged convex blocks which are arranged at an interval; the rotating support further comprises a support plate, a connecting protruding block is arranged on the support plate and corresponds to the position between the two hinged protruding blocks in a protruding mode, and the connecting protruding block correspondingly stretches into the position between the two hinged protruding blocks. Hinge holes and matching holes which penetrate through the thickness directions of the hinge lugs and the connecting lugs are respectively formed in the hinge lugs and the connecting lugs; hinge bolts are further arranged, and screw rod sections of the hinge bolts are inserted into the hinge holes and the matching holes in a matched manner; the LED lamp has the advantages that the illumination angle can be adjusted more conveniently, the adjusted angle can be better kept, and disassembly and assembly can be more convenient.

The application discloses a machining table with multi-angle adjusting function for a machine tool and a use method thereof, and particularly relates to the technical field of machine tools. The machining table is characterized in that the cooperation between the pressure control structure, the first half-thread sleeve, the second half-thread sleeve, the second screw rod and the first screw rod can realize the operation of switching the first half-thread sleeve and the second half-thread sleeve for alternate use. When long-distance adjustment is needed, the second screw rod and the second half-thread sleeve can be cooperated to quickly adjust the machining table due to the sparse threads on the outer side of the second screw rod. The first screw rod can be used to complete short-distance precise adjustment due to the close threads. The use state of the first half-thread sleeve and the second half-thread sleeve can be switched to quickly and finely adjust the machining table, thereby effectively saving the adjustment time, and the machining table is simple and convenient to operate, and has good application value.

This utility model discloses an upper limb exoskeleton, relating to the field of industrial assistive device structural design technology. The upper limb exoskeleton includes: a shoulder restraint, a waist restraint, an upper arm fixation, a shoulder rotation mechanism, and an assist mechanism. The lower side of the shoulder restraint is connected to the waist restraint, and an assist mechanism is provided below the shoulder restraint. The lower end of the assist mechanism is fixedly connected to the waist restraint, and the upper side of the assist mechanism is fixedly connected to the shoulder rotation mechanism, which is connected to the upper arm fixation. This upper limb exoskeleton provides support and fixation for the user's upper body through the shoulder and waist restraints. To achieve a lightweight design, assist mechanisms are provided on both sides of the shoulder restraint. The rotation of the shoulder rotation mechanism causes the internal tension springs of the assist mechanism to elastically deform and return to their original position, providing mechanical assistance for shoulder movement and ensuring the stability of the assist mechanism. It is adaptable to users of different body types, ensuring flexible movement with multiple degrees of freedom.

The utility model provides a check ring notch combination tool which comprises a check ring carrier used for placing and limiting a check ring and a base used for supporting the check ring carrier. A carrier notch crossed with the check ring is formed in the position, matched with the check ring, of the check ring carrier; and a pressing mechanism for pressing the retainer ring carrier is arranged on the base. The check ring is conveniently arranged in a limiting mode through the check ring carrier, the carrier notch is formed in the check ring carrier and intersects with the check ring to correspond to the to-be-cut position of the check ring, and the check ring notch can be conveniently cut and machined through a cutter; the retainer ring carrier is pressed on the base through the pressing mechanism, so that the retainer ring is in a stable state, a rapid cutting mode of linear cutting is conveniently adopted, the direction and angle of a notch of the retainer ring are more easily guaranteed, and the notch is smooth and free of burrs.

The application relates to the field of precision mechanical part grinding technology, and discloses a grinding machining equipment for precision mechanical part production, which comprises a rack, a control device arranged on the top of the rack, a moving frame slidingly arranged on the surface of the rack, a power device fixedly connected to the surface of the moving frame, and a grinding disc installed at the output end of the power device, and further comprises a supporting part, wherein the supporting part comprises a supporting disc, a fixing frame fixedly connected to the surface of the supporting disc, and a fixing rod fixedly connected to the surface of the fixing frame. The application drives the round hole rod to move to the center of the supporting disc through the electric push rod, the round hole rod drives the sliding block to slide in the cross hole when moving, thereby improving the stability of the round hole rod in supporting the rotating rod, the four rotating rods move to the center of the supporting disc synchronously, the workpiece is in contact with the surface of the grinding disc along with the movement of the rotating rod, the grinding disc can grind the workpiece at the moment, and the convenience of grinding the workpiece is improved.

The utility model provides a kind of double-arrow-shaped metamaterial corrugated strip multi-step semi-automated forming platform, the utility model places initial rectangular corrugated strip in forming area first, through the folding mechanism and pressure block propulsion mechanism with spatial phase difference distribution characteristics, combined with multistage progressive extrusion path planning strategy, realize double-arrow-shaped metamaterial corrugated strip layer-by-layer cumulative forming under the dynamic load exerted by electric control system, and the forming angle and precision of material after forming are guaranteed by fine adjustment sliding table and screw clamp, after forming is completed, pressure maintaining treatment is carried out by the pressure maintaining force of electric cylinder, material springback is reduced, and finally high-precision double-arrow-shaped metamaterial corrugated strip is obtained.

This utility model discloses an escape-proof structure for crab breeding ponds, relating to the field of aquaculture technology. It includes a base, a protective rotating mechanism, and a protective mechanism. The base is semi-cylindrical in the middle and semi-circular at both ends. The protective rotating mechanism is fixedly connected to the lower center of the protective mechanism and positioned in the middle of the base. The length of the entire structure is customized according to the side length of the breeding pond to ensure the long plate covers the pond edge. Manually rotating the protective rotating mechanism causes the base plate to move in a fan-shaped motion, with the semi-toothed bolts at both ends sliding in corresponding arc-shaped grooves. When the connecting plate rotates to a certain angle, under the action of gravity, the T-shaped rail begins to slide in the T-shaped groove, causing the lower edge of the long plate to gradually approach the edge of the breeding pond. Continuing to rotate until the angle between the long plate and the toothed edge is large, and with the long plate surface smooth, ensures that crabs cannot climb over the long plate, thus achieving the purpose of preventing escape.

The invention discloses a shaving board cutting and stacking mechanism, and relates to the field of shaving board processing, the shaving board cutting and stacking mechanism comprises a conveying mechanism, the upper end of the conveying mechanism is provided with a cutting mechanism, the lower end of the conveying mechanism is fixedly connected with a stacking seat, the upper end of the stacking seat is provided with an angle assembly, and the surface of the angle assembly is provided with an adjusting assembly; a stacking plate is arranged at the upper end of the adjusting assembly, a discharging assembly is arranged at the upper end of the stacking plate, and the angle assembly comprises a rotating groove formed in the surface of the stacking base. By the adoption of the structure, shaving boards can accurately fall on the designated area of the stacking plate, a neat reference is provided for subsequent stacking, the situation of plate dislocation is avoided, the angle of the stacking plate can be adjusted in the stacking process, all layers of shaving boards can be aligned and attached, the stack shape is more compact and stable, and the stacking efficiency is improved. And meanwhile, manual intervention is not needed through automatic angle adjustment, and the overall stacking efficiency can be improved.

This invention discloses a welding positioning device and its forming method for training missiles. The welding positioning device includes: a missile body welding fixture, a pouring fixture, a tail fin welding fixture, and two centers. Each of the two centers consists of a frustum and a round rod coaxially fixed to the large-diameter end of the frustum. The two centers are respectively used to hold the inner hole of the missile body's central tube and the positioning sleeve. The missile body welding fixture is used to weld and position the missile head and cylindrical section, and the missile head and mounting sleeve. The pouring fixture is used for pouring and forming concrete inside the conical section of the missile body. The tail fin welding fixture is used to weld and position the tail fin and the conical section, and to ensure the relative angle between the tail fin blades and the positional relationship between the blades and the missile body axis. This invention can ensure the welding quality and welding accuracy of the training missile, thereby ensuring coaxiality, symmetry, and straightness.

The utility model relates to the technical field of tungsten rod production, and particularly discloses a tungsten rod grinding device which comprises a base, and a linear guide rail is installed on the surface of the base. According to the linear guide rail, a lead screw is rotationally installed in the linear guide rail, limiting rods are symmetrically installed in the linear guide rail, connecting blocks are installed on the surfaces of the limiting rods and the lead screw in a sleeving mode, a handle is installed on the surface of the linear guide rail, a first connecting piece is connected to the surface of each connecting block, and the linear guide rail is installed at the top of the first connecting piece. According to the tungsten rod grinding device, the linear guide rail and the first connecting piece are arranged, the connecting block can be driven to move by rotating the handle through cooperation of the lead screw, the connecting block and the linear guide rail, compared with linear cutting, the position of a tungsten rod can be adjusted more quickly, continuous grinding machining is achieved, and the production angle and flatness of the tungsten rod are guaranteed; therefore, reliable contact between the tungsten rod and the workpiece during welding can be guaranteed, arc discharge is avoided, and machining time is greatly shortened.

The utility model discloses an LCM (Liquid Crystal Module) three-side glue collecting device which comprises a bottom plate, and a module moving assembly, two side glue collecting assemblies and a top glue collecting assembly which are arranged on the bottom plate, the module moving assembly comprises a Y-direction sliding rail unit and a module bearing table arranged on the Y-direction sliding rail unit, and the module bearing table is arranged on the Y-direction sliding rail unit; the two side edge glue collecting assemblies are arranged on the two opposite sides of the module moving assembly correspondingly, each side edge glue collecting assembly comprises a side edge rolling wheel installation unit installed on the bottom plate and a side edge rolling wheel unit installed on the side edge rolling wheel installation unit, and the top edge glue collecting assembly is correspondingly located at the end of the module moving assembly. The top edge glue collecting assembly comprises an X-direction sliding rail unit, a top edge rolling wheel installation unit arranged on the X-direction sliding rail unit and a top edge rolling wheel unit installed on the top edge rolling wheel installation unit. The glue collecting device can improve the efficiency of glue collecting operation.

This invention discloses a method for forming ultra-large titanium alloy U-shaped profiles, comprising: 1. Initial heating of titanium alloy sheet using a tracked heating device; 2. Rapid transfer and first bending of the titanium alloy sheet under heat preservation conditions; 3. Second heating and bending of the L-shaped single-sided bent part; 4. Milling the edges of the U-shaped double-sided bent part; 5. Performing steel plate pressing and shaping heat treatment on the milled U-shaped double-sided bent part; 6. Performing surface treatment on the heat-treated U-shaped double-sided bent part to remove surface oxide scale, thereby obtaining the finished titanium alloy U-shaped profile. This invention optimizes the layout of the tracked heating device and bending machine, constructing an L-shaped rapid transfer path, thus solving the cracking problem caused by temperature drop in ultra-large titanium alloy sheet and ensuring the temperature stability of the titanium alloy sheet during bending; the large bogie furnace steel plate pressing and shaping heat treatment process improves the uniformity of the U-shaped double-sided bent part's shaping.

The utility model discloses gypsum board anti -cracking structure ceiling, its characterized in that, including lamp pool structure, including galvanized angle and aluminium square tube, the galvanized angle is equipped below building floor, the galvanized angle is linked with building floor through bolt, high -strength gypsum board sets up in the lower extreme of galvanized angle, high -strength gypsum board is linked with lamp pool structure through self -drilling screw, and the periphery of high -strength gypsum board is equipped with aluminium square tube, and the inside of aluminium square tube is equipped with square tube inner groove, and square tube inner groove installs L type link piece inside, and L type link piece and aluminium square tube are chamfered joint, and the lower extreme of aluminium square tube is equipped with close -mouthed groove, and ordinary gypsum board is inserted with aluminium square tube through close -mouthed groove and connects. The utility model discloses a galvanized angle as the base layer framework of lamp pool structure, utilizes the chamfered joint of aluminium square tube and L type link piece of closed rectangular structure design in the corner area, guarantees the angle invariability and stable connection of corner area, solves the cracking problem of traditional wood because of environmental humidity change, improves the durability and the aesthetic degree of ceiling decoration.

The utility model relates to a kind of optical module row pin pin straightening tool, comprising: base and correction block, the upper surface of base is equipped with two side-by-side symmetrical distribution limit block, the gap between two limit blocks forms the limit slot for limiting optical module, the region from the middle region of limit slot to its tail end of the upper surface of base is equipped with sunken avoidance space, correction block is fixed on the upper surface of base and is at the front of limit slot, the lower surface of correction block is respectively set with the correction slot matched with it and penetrating rear end face at each pin of corresponding optical module row pin. Advantageous effects are: row pin pin can be corrected, and the angle and length consistency of pin after correction are guaranteed, avoid the phenomenon such as virtual welding and welding-off of product, to ensure and customer agreement size consistency, improve product yield.

This invention provides a radar radome for sealing a radar antenna array. The radar antenna array is disposed on an antenna base. The radar radome includes: a radome body connected to the antenna base and covering the radar antenna array to form a cavity sealing the radar antenna array, with the inner surface of the radome body facing the radar antenna array; a groove recessed from the inner surface, the position of which corresponds to the position of the radar antenna array to increase the volume of the cavity corresponding to the radar antenna array; and a metallized component embedded from the inner surface into the radome body and located outside the groove in the horizontal direction to extend the beamwidth of the radar antenna array in the horizontal direction.

The invention discloses a knee joint stress position radiography clamping auxiliary device in the field of medical instruments, and the knee joint stress position radiography clamping auxiliary device comprises a first fixing group, a second fixing group and a third fixing group which are sequentially arranged from top to bottom, the first fixing group, the second fixing group and the third fixing group all comprise bandages, and one end of each bandage is fixedly connected with a retaining ring; a plurality of buckle holes are formed in the other end of the bandage; an inner inflation set and an outer inflation set are sequentially arranged on the bandage from left to right, each of the inner inflation set and the outer inflation set comprises a supporting tool, the bandage sequentially penetrates through the supporting tools on the inner inflation set and the outer inflation set and is fixedly connected with the supporting tools, air bags are fixedly bonded to the side walls of the supporting tools, and the air bags are communicated with valves; the device is simple in structure and convenient to install, and unnecessary X-ray radiation to doctors or family members of patients is reduced; the air bags at different positions are inflated according to the condition of introversion or extroversion of the knee joint of the patient, so that the introversion or extroversion angle of the knee joint of the patient is kept, shooting is facilitated, and errors are reduced to a certain extent.