11results about How to "Guaranteed rigid connection" patented technology

This utility model discloses a tightening mechanism for a boom drilling and installation robot, relating to the field of boom installation technology. It includes a limiting sleeve for boom assembly, with one end face recessed axially to a certain depth to form a limiting groove for accommodating a nut. The shape of the limiting groove matches the shape of the nut to prevent rotation and limit its movement. When the limiting sleeve is driven to rotate around its axial direction, the limiting groove restricts the nut's rotation. The limiting groove on the limiting sleeve precisely matches the nut's shape, applying radial limiting force through geometric constraints to ensure the nut remains synchronized with the limiting sleeve during rotation. Compared to the shortcomings of existing technologies where manual tightening with a wrench requires a large operating space and insufficient tightening force, this tightening structure uses a coaxial drive of the limiting sleeve, which does not occupy a large horizontal operating space and is suitable for areas with dense pipelines.

The utility model discloses a VR (Virtual Reality) dynamic swing device, which comprises a support frame, a first swing arm, a second swing arm, a first swing arm, a second swing arm, a first swing arm and a second swing arm, and is characterized in that the support frame comprises a first support and a second support, the driving mechanism is hinged to the connecting rod through a lead screw and drives the connecting rod to rotate, and the connecting rod is fixedly connected with the rotating shaft; the rotating frame is provided with a seat and comprises a left swing arm and a right swing arm, a connecting and fixing piece is arranged between the left swing arm and the right swing arm, and the seat is fixed to the connecting and fixing piece; the left swing arm and the right swing arm are provided with opposite first fixing sites, and the first fixing sites are fixedly connected to the rotating shaft. The VR dynamic swing device provided by the utility model can quickly respond, reduce the delay influence, can realize large-amplitude swing to adapt to the complicated action content of VR, and is convenient to maintain and few in quick-wear parts.

The lock of the stop valve with the conical bonnet comprises an end socket, a chain lock and a pulling rivet, one end of the end socket comprises an open hole, the open hole is matched with the conical bonnet, and the open hole meets the conditions that d1 is smaller than d2, d1 is the diameter of the open hole, and d2 is the maximum value of the outer diameter of the conical bonnet; the side wall of the sealing head is fixed with a chain lock through a pulling rivet; the chain lock comprises a lock hole and a chain, the lock hole and the chain are used in cooperation, the chain can wind a valve body of the stop valve in the working process, and the lock is locked through the lock hole. According to the utility model, the safety and reliability of the maintenance operation of the stop valve are improved.

The utility model discloses a pipe clamp tool for processing thin wall steel pipe, including clamp subassembly, operating assembly and spot welding avoidance structure, and clamp subassembly contains two symmetrical pipe clamp body, and two pipe clamp bodies respectively include two clamping parts that are connected to the outer wall of steel pipe, and two connecting arms are connected in the one end of two clamping parts, operating assembly is connected with the connecting arm of two pipe clamp bodies respectively, is used for providing holding position for operating pipe clamp tool, and spot welding avoidance structure includes hollow spot welding area that is set up on the clamping part of two pipe clamp bodies along the welding circumference direction of steel pipe, and is formed pipe clamp cavity through two pipe clamp body and is combined, and the outer wall of steel pipe is adhered to the embracing structure, can one end of two steel pipes is held stably and is aligned and is resisted, guarantees that the relative position accuracy is higher when welding, carries out spot welding operation through hollow spot welding area, has reduced the auxiliary operation time, has shortened the welding period, thereby has improved production efficiency, has helped guaranteeing the welding quality.

This utility model discloses a quantitative winding device for producing polymer plastic film, relating to the field of plastic film winding technology. It includes a base winding structure, a positioning structure, and a quantitative winding structure. The base is L-shaped. The winding structure includes a bearing fixedly installed on the inner wall of a through hole on the left side of the base, a rotating roller rotatably mounted on the right side of the base via the bearing, a hollow winding roller sleeved on the surface of the rotating roller, and a power component located on the left side of the base to drive the rotating roller to rotate. A cylinder combined with a conical block and a second compression spring linkage mechanism enables rapid locking and releasing of the winding roller, eliminating the need for manual tools, shortening assembly and disassembly time, and significantly improving production efficiency. Furthermore, three sets of symmetrically distributed positioning pins work in conjunction with the first compression spring to ensure a rigid connection between the hollow winding roller and the rotating roller, improving equipment operational stability.

The utility model discloses a mobile dangerous chemical processing apparatus, including protection mechanism, it includes mobile device, the top fixedly connected with baffle of mobile device, the bottom fixedly connected with left fixed plate of baffle right side, the right side of left fixed plate inner chamber is provided with the protective outer box, the left side of protective outer box and the inner chamber contact of left fixed plate, the utility model discloses through bottom mobile device realizes flexible transfer, and wheeled trailer structure is convenient for vehicle traction, and protective outer box adopts vacuum protective layer and blast -proof housing double protection, and the inner layer is stainless steel, and the outer layer is blast -proof fiber braided layer, ensures the transportation safety, and pressure sensing unit real -time monitoring chemical container pressure, and data is transmitted to control unit, and cylinder is through slide and metal plate linkage, and according to pressure data drive connecting plate adjustment protective outer box position, realizes dynamic sealing, and has improved the security of chemical transportation.

The invention discloses a finished product sealing performance detection device for power cable terminal accessory processing, and relates to the technical field of power cable terminal accessory processing. According to the finished product sealing performance detection device for power cable terminal accessory processing, through the synergistic effect of the detection box, the box cover, the damping hinge, the clamping assembly and the airtightness detection assembly, efficient and accurate sealing performance detection of a power cable terminal accessory finished product is achieved, and the detection box serves as a main body structure and provides a stable detection environment; the box cover is connected with the detection box through a damping hinge, so that the box cover is convenient to open and close and can stay at any angle, and operators can place and take out accessories to be detected conveniently; the clamping assembly is responsible for firmly fixing the accessory and ensuring that the accessory does not displace or loosen in the detection process and the accuracy of the detection result is not influenced; and the airtightness detection assembly is used for judging whether the sealing performance of the accessory reaches the standard or not by filling or extracting gas into or out of the detection box and monitoring the change of internal air pressure.

The utility model provides a waterproof connecting structure of an anti-floating anchor rod node, and belongs to the technical field of anti-floating anchor rod construction of constructional engineering. The structure comprises an anti-floating anchor rod, a waterproof connecting assembly, a polymer cement waterproof mortar layer and a fine aggregate concrete protection layer. The lower end of the anti-floating anchor rod is anchored in the concrete anchoring body of the basement structure layer, and the upper end penetrates through the anchoring plate through hole; the waterproof connecting assembly is composed of an anchoring plate and a pre-buried support, the lower end of the pre-buried support is pre-buried in the concrete anchoring body, and the anchoring plate is fixed between the supports. The concrete cushion layer and the anchoring body are sealed through polyurethane sealant, and a waterproof mortar layer, a self-adhesion waterproof roll and a reinforced fine aggregate concrete protection layer are sequentially laid on the concrete cushion layer and the anchoring body to form a totally-closed waterproof system. Through the design of multi-layer collaborative protection and the rigid support, the problems that a traditional joint is prone to leakage, and the anchor plate displaces are solved, the horizontal displacement resistance is improved, the construction efficiency is improved, and the anti-floating joint is suitable for anti-floating projects such as basements and basement and has high waterproofness, structural stability and economical efficiency.

The utility model provides a high-protection direct current motor which comprises a direct current motor body, a stabilizing plate is installed on the direct current motor body, the outline of the stabilizing plate is rectangular, a sleeve hole is formed in the center of the stabilizing plate, the motor body penetrates through the sleeve hole and is fixed in the stabilizing plate, and the stabilizing plate is fixed in the direct current motor body. And the stabilizing plate is used for fixing the direct current motor body. According to the high-protection direct current motor provided by the utility model, rigid connection between the motor body and the base is ensured through the sleeve hole design of the stabilizing plate, vibration displacement is suppressed, the supporting contact area is increased through the rectangular profile, the motor operation load is dispersed, and the overall stability is improved.

The utility model discloses a drossing device for aluminum bar processing, which comprises an adjusting box, the back of the adjusting box is fixedly connected with an electric rotating seat, the inner side of the adjusting box is provided with a placement groove, the inner side of the placement groove is fixedly connected with a bidirectional cylinder, the driving end of the side surface of the bidirectional cylinder is fixedly connected with a telescopic rod, and the front of the adjusting box is provided with a sliding groove. Fixing side plates are arranged on the front surfaces of the adjusting boxes, connecting blocks of the fixing side plates penetrate through the sliding grooves to be fixedly connected with the side surfaces of the telescopic rods, inserting grooves are formed in the surfaces, close to the edges, of the fixing side plates, and clamping grooves are formed in the middles of the surfaces of the fixing side plates; through cooperative control of an electric rotating seat and a two-way air cylinder, adjustment of the slagging-off angle and the distance between slagging-off teeth is achieved, the treatment requirements of aluminum bars of different specifications can be flexibly met, and through the modular assembly design of a folding plate and a limiting protruding plate, rigid connection of a connecting plate and a fixed side plate is guaranteed, and the machining efficiency is improved. And quick disassembly and maintenance can be realized by disassembling the limiting convex plate, so that the component replacement efficiency is improved.