42results about How to "Prevent misalignment and deformation" patented technology

The invention relates to a high altitude spherical net rack splicing method based on a large gymnasium frame continuous beam. The method includes the following steps: (1) building a left installation platform and a right installation platform under two ends of the large gymnasium frame continuous beam respectively; (2) installing a slide on the large gymnasium frame continuous beam and installing net rack moving trolleys at two ends of the slide in a sliding mode; (3) dividing a high altitude spherical net rack into N sections with the length being N meters and obtained through calculation; (4) splicing an L-meter high altitude spherical net rack and erecting the net rack on the net rack moving trolleys; (5) utilizing a drawing device to draw the net rack moving trolleys to enable the L-meter high altitude spherical net rack to move forward for L meters relatively and respectively and repeating the steps to assemble the whole high altitude spherical net rack in a splicing mode to finish the splicing. The net rack splicing method can shorten construction time, a sliding moving system is simple to machine and manufacture, sliding moving operation is high in speed, occupied space is small, labor intensity of workers is reduced, and the construction period is shortened.

The invention discloses a composite busbar bending process, and belongs to the technical field of production of composite busbars. The composite busbar bending process comprises the following steps of (1) lamination, stacking at least two layers up and down, wherein the structure of each layer is a first insulating layer, a copper bar and a second insulating layer in sequence from top to bottom, the right part of each adjacent layer is provided with an anti-bonding layer and the left part is glued for bonding, and the length of each anti-bonding layer is greater than or equal to that of the bent and staggered part; (2) laminating and gluing; (3) bending in place; and (4) extraction of the anti-bonding layers to obtain a bent composite busbar. By the composite busbar bending process, cracking of the bent part of the composite busbar and stagger deformation between the layers can be prevented; the quality is ensured; the yield is improved; the efficiency is improved; and the cost is reduced.

The invention proposes an anti-extruding stretch-proof power cable, and the cable comprises a first elastic tube, a second elastic tube, a plurality of first conductors, and a plurality of second conductors. The first elastic tube is disposed at an inner side of the second elastic tube, and the plurality of first conductors are disposed in the first elastic tube in a parallel manner. The second conductors have the elliptical sections, and the short axis of each second conductor is set in the radial direction of the cable. Two ends of each second conductor in each arc-shaped elastic part in the long-axis direction respectively abut against the arc-shaped elastic parts. Moreover, the plurality of second conductors abut against the outer wall of the first elastic tube. The first elastic tube and the second elastic tube are employed for respectively protecting the first conductors and the second conductors, and the interior of the first elastic tube and the interior of the second elastic tube are filled with gas. When the cable is extruded, the extruding force can be buffered through the elastic deformation of the first and second elastic tubes, thereby protecting the first and second conductors from being damaged by extruding, improving the application performance of the cable in a severe environment, and prolonging the service life of the cable.

The invention discloses equipment and process for pipeline welding by using an auxiliary positioning device. The equipment comprises a base supporting part, a gripping part, a fixing part, a welding part, a pipe display part and a punching nail gun part; a first motor of the gripping part is fixedly mounted on the front end surface of a bottom plate of the base supporting part; the bottom end surface of a fourth supporting seat of the fixing part is fixedly connected with the upper end surface of a supporting plate of the base supporting part; the bottom end surface of a sixth supporting seatof a welded part and the upper end surface of the bottom plate of the base supporting part are fixedly connected; and an eighth telescopic rod is driven by an eighth servo electric cylinder to complete the adjustment of the height of an electric drill, the electric drill of the punching nail gun part punches the end parts of a first pipeline and a second pipeline, and then rake nails are stapled to the punching parts of the first pipeline and the second pipeline by a nail gun. Deformation and dislocation of the pipelines in the welding process are prevented, the strength of pipeline joints canbe strengthened, and the pipeline joints are not prone to cracking in the process of thermal expansion and contraction.

The invention discloses an easily-detachable structure of a water inlet valve, which includes a valve body and a rotating unit, wherein the rotating unit includes an upper cover and a water stop cup in transmission connection with the upper cover; the upper cover is rotationally connected with the top of the valve body; the water stop cup is rotationally connected with the valve body; and the upper cover is rotated to drive the water stop cup to synchronously rotate, so as to enable the upper cover to be connected with or separated from the valve body. The invention has the advantages that when the water inlet valve is in need of repair due to damage, as long as the rotating unit is rotated, the upper cover can be driven to be separated from the valve body, so that the parts inside the water inlet valve can be repaired and maintained, and the easily-detachable structure of the water inlet valve is convenient to dismount and convenient to maintain.

The invention relates to a geomagnetic vehicle inspection device with waterproofness and bearing capability. The geomagnetic vehicle inspection device with waterproofness and bearing capability includes an upper housing, an intermediate housing, a lower housing, a circuit board and a battery, wherein the intermediate housing is sleeved in the lower housing; the intermediate housing is in sealed connection with the upper housing; the lower housing and the upper housing are in sealed connection; the intermediate housing and the upper housing form a sealed accommodating cavity; the circuit boardand the battery are arranged in the accommodating cavity; the circuit board is connected with the inner wall of the upper housing; and the circuit board is electrically connected with the battery. Thegeomagnetic vehicle inspection device with waterproofness and bearing capability has a dual-layer structure, and a glue sleeve sleeves the outer side of the housing, thus preferably improving the waterproofness and the bearing capability of the vehicle inspection device.

The invention belongs to the technical field of building construction, particularly relates to an inflatable turnover high-low grade concrete pouring blocking net air bag and an installation method thereof, and provides the following scheme aiming at the problems that in the concrete pouring process, concrete overflowing is likely to happen, the blocking net effect is poor, and the cost input is high. Comprising a reinforced concrete beam and blocking net air bag bodies distributed at equal intervals, a reinforcement cage is arranged on the inner side of the reinforced concrete beam, the blocking net air bag bodies are connected to the reinforcement cage at equal intervals, reinforcing plates are symmetrically arranged on the inner side of the reinforced concrete beam, and the two reinforcing plates make contact with the outer walls of the two sides of the reinforcement cage respectively. The device is easy to use, can flexibly meet the requirements of blocking nets of beams with different cross sections, is easy to operate and apply on site, reduces the site operation difficulty of workers, effectively solves the common quality problem of appearance color difference of high-grade and low-grade concrete pouring, reduces the investment of a traditional fast and easy closing-up steel wire net, reduces the later repair cost, and improves the construction quality.

The invention relates to a pyrography machine lower plate seat capable of automatically adjusting levelness, which comprises a horizontal bottom plate, two parallel sliding chutes are formed in the top end of the bottom plate, a supporting seat in sliding connection with the sliding chutes is arranged in the sliding chutes, and a drawing board in clamping connection with the supporting seat is arranged at the top end of the supporting seat; a plurality of roller grooves are formed in the bottom end of the supporting seat in the length direction of the sliding grooves, rollers are arranged in the roller grooves, and shaft sleeves connected with the roller grooves in an up-down sliding mode are arranged between the roller grooves and the rollers. According to the pyrography machine lower plate seat capable of automatically adjusting the levelness, the rollers moving up and down in the roller grooves are used for keeping parallel to an upper plate, the situation that the lower plate seat cannot be tightly attached to the upper plate after being heated and deformed is effectively prevented, and the pyrography effect is guaranteed; the base plate is supported by a base capable of automatically adjusting the horizontal position, the base corrects the height difference of the four corners of the base by recognizing the inclined direction, the adjusting mode is accurate and reliable, and the levelness of the base and the drawing board on the base is effectively guaranteed.

The invention belongs to the technical field of refractory blocks, and particularly relates to a refractory block and a glass furnace. The refractory block comprises a refractory block body, and the refractory block body is formed by splicing a plurality of arc-shaped refractory slabs; a mounting groove is formed in the inner wall of one side of each arc-shaped refractory slab, and a clamping plate is arranged on the other side of each arc-shaped refractory slab; a plurality of square inserting holes are uniformly formed in the inner wall of each mounting groove and are formed in the verticaldirection of the inner wall of the mounting groove; a plurality of square inserting blocks are uniformly arranged on the outer side wall of each clamping plate, and the plurality of square inserting blocks are inserted into the plurality of square inserting holes; square inserting cavities are formed in the upper end surface of one side of each arc-shaped refractory slab, and the square insertingcavities are communicated with the plurality of square inserting holes which are vertically formed; square inserting strips are inserted into the square inserting cavities in an extruding manner, andsynchronously penetrates through square communicating cavities. The locally damaged or broken refractory block body can be conveniently maintained and replaced, so that the service life of the refractory block body is prolonged.

The invention discloses a hob device for rubber material cutting, which comprises a frame, a hob shaft, a reversing shaft, a retaining shaft, an anvil roller and a lubricating system, wherein the lower end of the frame is provided with two braces, the The two ends of the hob shaft are connected to the frame through bearings, the reversing shaft is connected to one side of the frame through bearings, the two ends of the retaining shaft are connected to the frame through bearings, and the two ends of the anvil roller are connected to the frame through bearings. Connected with the frame, the lubricating system is set on the side of the frame to realize the cutting of the rubber material and improve the cutting efficiency.

The invention discloses a displacement deformation-difficult O-shaped sealing ring. The O-shaped sealing ring comprises a sealing ring body and an elastic steel ring; the sealing ring body adopts the material of a rubber soft magnetic strip; the elastic steel ring is embedded in the sealing ring body; the section of the elastic steel ring is a square structure with a thickness size larger than a width size; and the axis of the elastic steel ring is the same with the axis of the sealing ring body. One magnetic surface is towards the head part of a hexagonal nut or a hexagonal bolt, so that the O-shaped sealing ring is absorbed with the head part of the hexagonal nut or the hexagonal bolt, and is tightened or unloaded by a conventional method. The O-shaped sealing ring not only can prevent displacement deformation to realize an excellent sealing effect, but also can prevent dropping from a screw rod and loss.

The invention provides a tool rest cooling structure for a machine tool, and belongs to the technical field of machine tool machining. According to the tool rest cooling structure for the machine tool, a flow guide hole penetrating through the two ends and a nozzle and a connection joint which are arranged at the two ends of the flow guide hole are formed in a cutter pressing block; the connection joint is connected with a cutting fluid feeding pipe; a spray head of the nozzle faces a cutter head of a cutter; the existing cutter pressing block structure is fully used as a conveying pipeline, cooling of a machined position and blowing-away operation of sweeps are achieved, cost is reduced, the conveying stroke of cutting fluid is only the width of a tool apron within the range of the tool apron, and the conveying stroke is shortened; and meanwhile, the pressure bearing capacity is better, pipeline bending is not needed, the deformation and dislocation problems are avoided, the structural strength is higher, the shaking problem in the using process is avoided, stability is better, adjustment only needs to be conducted once in the initial installation process, the problems of inconvenience and heavy workload caused by subsequent repeated adjustment are avoided, the arrangement space is saved, the installation limitation is small, the adaptability is higher, and the use performance of the machine tool is improved easily.

The invention discloses an alkaline pocket type battery shell seal welding fixture, which comprises two strip-type clamping plates, wherein a space, capable of containing a battery shell, close to each of two ends, is formed in the middle of each strip-type clamping plate, the space is provided with two bolts with a nut on one end, a baffle plate is perpendicularly mounted on the middle part of the outer surface of each of the two clamping plates in a transverse direction; a screw lateral inlet/outlet is formed at the position corresponding to the bolt on the side wall of one of the clamping plates. According to the alkaline pocket type battery shell seal welding fixture disclosed by the invention, the clamping plates and the adjusting bolts are used for fixing and limiting a workpiece tobe welded and then performing hot plate welding and sealing, so that the welding surface can be evenly stressed, the phenomena of deformation, dislocation and air leakage are prevented, and the welding quality is ensured; the alkaline pocket type battery shell seal welding fixture has the advantages that the use is flexible and convenient, the working efficiency is improved and waste is avoided.

The invention discloses a quick dismounting device and method for a cotter pin, and belongs to the field of assembly. The quick dismounting device comprises two clamping parts which are movably riveted with each other. Each clamping part comprises a clamping area and a holding area connected with the clamping area, each clamping area comprises a clamping piece and a supporting piece, and the clamping pieces and the supporting pieces are located on the same horizontal plane. Each clamping piece comprises a clamping end, wherein a clamping cutting edge is arranged at the end portion of the clamping end, and each supporting piece comprises an arc-shaped supporting end. The clamping cutting edges are additionally arranged at the end portions of the clamping parts, the clamping cutting edges are partially sunken into the tail of the cotter pin under the action of clamping force, the cotter pin can be effectively clamped, deformation and dislocation of the cotter pin in the disassembling process are avoided, and the cotter pin is prevented from sliding and loosening in the clamping process. A jaw is additionally arranged and can pinch off the tail part of the opened cotter pin, so that the residual cotter pin forms a barrier-free pin, the cotter pin is conveniently pulled out, a nut and a bolt are not damaged, and the disassembly is quicker after direct pulling.

The invention discloses a connecting structure for wall bodies at two sides of a prefabricated composite wall and a method thereof, and relates to the technical field of composite wall assembly. The connecting structure comprises a composite wall and a plurality of groups of connecting parts; the connecting parts are arranged at the front side and the rear side of the composite wall; the connecting parts are I-shaped; the height of the connecting parts is 300-400 mm; and the distance between every two adjacent connecting parts at the same side is 500-600 mm. The connecting method includes the steps that S1, steel bars are fixed and placed at the front side and the rear side of the composite wall, then an upper formwork and a lower formwork are built at the front side and the rear side of the composite wall, and the multiple connecting parts are built between the two formworks; S2, pouring is conducted between the two formworks on the front face of the composite wall, and the connecting parts are pre-buried in the two formworks; S3, a trolley is turned over for die assembly; and S4, pouring is conducted on the two formworks on the back face of the composite wall, the connecting parts are pre-buried in the formworks, and a finished product is manufactured. The connecting structure for the wall bodies at two sides of the prefabricated composite wall and the method thereof have the advantages that the integrity of the composite wall can be guaranteed, the factors of water and electricity pre-burying are considered, deformation and dislocation of the wall bodies at the two sides can be avoided, and the secondary pouring integrity effect is improved.

The invention relates to a tooth jaw maintaining device, which is used for solving the problem that the existing straightener cannot push teeth outwards. The tooth jaw maintaining device comprises a sleeve, a first screw rod, a first second rod and two tooth push pieces, wherein a first screw hole and a second screw hole are formed at the two ends of the sleeve correspondingly; the spiral direction of the first screw hole is opposite to the spiral direction of the second screw hole; the first screw rod is formed by threading a first threaded part on the first screw hole, so that a first assembling part is exposed out of the sleeve; the second screw rod is formed by threading a second threaded part on the second screw hole, so that a second assembling part is exposed out of the sleeve; thetwo tooth push pieces are combined with the first assembling part and the second assembling part correspondingly; and each tooth push piece is provided with at least one tooth sleeve ring.