15results about How to "Uniform force distribution" patented technology

This invention relates to the field of bearing riveting technology, specifically to a high-speed rail bearing cage installation and riveting equipment, including a base and a riveting system for assembling the bearing cage. The base is equipped with a fixing component for fixing the bearing outer ring. The fixing component includes a fixing seat and a sliding disc. The fixing seat is embedded in the base; the sliding disc is located inside the fixing seat, and a fixing arm is hinged to the sliding disc circumferentially. The top of each fixing arm contacts the top of the bearing outer ring; a sliding groove is formed in the middle of each fixing arm, and a locking rod that slides with the sliding groove is fixedly connected to the fixing seat circumferentially; both the fixing arm and the sliding groove are "<" shaped, and the fixing seat has an opening circumferentially for the movement of the fixing arm. This invention transforms linear motion into a circumferential fixing action through the sliding engagement of the fixing arm and the locking rod. Utilizing the specific shape design of the fixing arm and the sliding groove, the device can automatically adjust its clamping size according to the diameter of different bearing outer rings, thereby improving the applicability of the device.

This utility model discloses a three-section drawer slide, including a fixed rail, a middle rail, and a movable rail. The middle rail has a first guide portion and a second guide portion. The first guide portion movably engages with the fixed rail, and the second guide portion movably engages with the movable rail. A first ball bearing assembly is provided between the first guide portion and the fixed rail, and a second ball bearing assembly is provided between the second guide portion and the movable rail. The advantages of this three-section drawer slide are: the use of a cross-shaped engagement and a three-sided ball bearing engagement structure makes the engagement between the fixed rail and the middle rail, and between the middle rail and the movable rail, more stable and reliable. It also ensures that the center of gravity of the movable rail and the middle rail coincides with the center of the fixed rail, effectively enhancing the overall strength of the slide. This results in more stable and smooth operation of the slide, leading to more stable and smooth drawer opening and closing. During use, the slide is less prone to bending and deformation, improving its bending resistance and load-bearing capacity.

The utility model provides a redundant power supply automatic switching device of a hot plug module, which relates to the technical field of power supply switching equipment, and comprises a socket assembly consisting of a socket cover and a plug assembly consisting of a plug seat and a plug block which are arranged on one side of the socket cover, the plug seat is connected with the socket cover through the plug block, and the plug block is connected with the socket cover through the plug block. Sliding holes are formed in the two ends of the plug block, a trigger rod penetrating through the plug seat is arranged in the plug seat, two connecting plates are arranged at the end, located in the plug seat, of the trigger rod, a rectangular frame is arranged between the two connecting plates, and a conductive column is arranged at the end, close to the plug block, of the rectangular frame; a plug seat of a plug assembly is connected with a socket cover through a plug block with a sliding hole, the sliding hole provides guidance for insertion, so that the plug block can stably move along a set path, during insertion, the plug block pushes a trigger rod, the trigger rod drives a connecting plate and a rectangular frame, a conductive column is in contact with a conductive structure in a socket, and power connection is achieved.

The utility model relates to a kind of gantry crane main beam inner truss structure and gantry crane main beam, comprising: support outer frame and truss unit, the support outer frame includes roof beam and a pair of side beams, a pair of the side beams symmetrically set in the both ends of the roof beam;The truss unit includes first tripod and at least one second tripod, one apex angle of the first tripod is connected with the roof beam, and the other two apex angles of the first tripod are connected with the side beam respectively;The apex angle of the second tripod is connected with the side of the first tripod away from roof beam, and the other two apex angles of the second tripod are connected with the side beam respectively.In the utility model, the inner truss of gantry crane main beam is modularized design, improves the installation speed and production efficiency of gantry crane.

A sealing structure for a waterproof switch includes a switch body and a waterproof shell. The switch body has a base at its opening for fixing pins. The base is sealed to the inner wall of the switch body. The waterproof shell is snapped onto the base. A reinforcing layer is provided on the base. Each end face of the reinforcing layer along the pin distribution direction has a first snap-fit ​​plate. Each first snap-fit ​​plate includes a snap-fit ​​portion protruding from the reinforcing plate along the pin distribution direction. The waterproof shell has two first snaps corresponding to each snap-fit ​​portion on each side. A first snap-fit ​​groove is formed between the snap-fit ​​portion and the base for the first snaps to engage. The beneficial effect of this invention is that the symmetrical arrangement of the double first snaps and double snap-fit ​​groove structure significantly improves the bonding strength between the waterproof shell and the base.

The application provides a front engine compartment assembly and a vehicle. The front engine compartment assembly comprises a wheel cover structure, a front longitudinal beam, a front bulkhead and an annular frame structure. The wheel cover structure and the front longitudinal beam are located on both sides of the vehicle body. The annular frame structure is arranged between the opposite wheel cover structures and connected with the front bulkhead. The two ends of the annular frame structure respectively extend downward along the inner walls of the corresponding wheel cover structures until connected with the front longitudinal beam. The front engine compartment assembly can improve the stress resistance and force transmission efficiency of the front engine compartment assembly, thereby improving the driving comfort of the vehicle.

The utility model discloses a mounting structure of lamps and lanterns, including car body sheet metal and lamps and lanterns mounting bracket, the front portion of lamps and lanterns mounting bracket is fixed with car body sheet metal through a plurality of joint structure, and the rear portion is fixed with car body sheet metal through a plurality of bolt fastening structure, the joint structure include joint seat, and the joint pin of fixed in the bottom center of joint seat, the car body sheet metal is set up with a plurality of joint hole of matching with joint pin on, the front and rear two ends of joint pin and the front and rear two ends of joint hole all leave the gap. The utility model discloses through the matching design of joint and bolt fastening, effectively solved the security hidden danger of front through -penetrating lamp in the collision, and the installation convenience and structural reliability are given full play to simultaneously, and bolt fastening structure not only is convenient for lamps and lanterns mounting bracket front -and -back movement and realizes the energy absorption, and when installing, bolt fastening structure can adjust lamps and lanterns mounting bracket before and after, has reduced the manufacturing precision.

This invention relates to the field of overhead line robot technology, and discloses a lightweight overhead line walking robot, comprising: a body frame; several body wheels disposed inside the body frame; a clamping mechanism including a clamping module, a clamping plate, a clamping guide rail, a guide rail connecting plate, a guide rail connecting block, and a balance arm. The clamping plate is fixedly connected to the clamping guide rail, and the balance arm passes through the gap formed by the connection between the clamping plate and the clamping guide rail. The guide rail connecting block is fitted with the clamping guide rail, and the guide rail connecting plate is fitted with the guide rail connecting block. The clamping module includes a clamping arm, a transmission rod, and a clamping column. The end of the transmission rod away from the clamping arm is provided with a third through hole, and the clamping arm is provided with a first through hole. The clamping plate includes a clamping back plate and a transmission plate, and a first transmission block and a second transmission block cooperate with the balance arm. This invention ensures the reliability of the robot's movement on overhead lines through the clamping mechanism.

This utility model relates to the field of building material testing technology, and discloses a clamp for axial tensile testing of concrete specimens. It includes an upper clamping part and a lower clamping part. The upper clamping part includes a first clamping block and a second clamping block, which are detachably connected. The upper part of the specimen is clamped between the first and second clamping blocks. The lower clamping part includes a third clamping block and a fourth clamping block, which are detachably connected. The lower part of the specimen is clamped between the third and fourth clamping blocks. This utility model, through its separate, detachable structure of the upper and lower clamping parts, changes the traditional bolt point contact clamping to surface contact clamping, effectively eliminating local stress concentration and damage to the specimen, while ensuring accurate LVDT displacement monitoring data, significantly improving the reliability and accuracy of axial tensile testing of high-ductility concrete.

The utility model provides a kind of packing line unpacking machine turnover mechanism, it is related to packing line unpacking machine technical field, it includes turnover frame, with the turnover frame bottom vertical fixed turnover platform, fixed in the multiple suction cups of the turnover platform upper surface, and with the turnover frame of driving mechanism connection, still include the support plate of cross, the bottom surface of support plate is connected with the telescopic rod of pneumatic cylinder, the cylinder body of pneumatic cylinder is fixed in the bottom of turnover platform.The utility model solves the technical problem that large size or special-shaped box is easy to fall off when turning over in prior art.

The utility model relates to dismantling device technical field, concretely is a six -sided top press upper cylinder top hammer dismantling device. Including side plate subassembly, pillow rail subassembly, guide rail subassembly, the side plate subassembly includes side edge board, the pillow rail subassembly includes pillow rail strip, the guide rail subassembly includes guide rail board, the top of side edge board is connected with the fender, one end of pillow rail strip is connected with the flanging plate, the top of pillow rail strip is connected with the firm board, the inside of guide rail board is provided with the rolling cylinder, one end of guide rail board is connected with the connecting layer board. When the upper cylinder top hammer slides on the guide rail board, the rolling cylinder that it contacts also rolls along, and the upper cylinder top hammer forms the structure of many contact points through many groups of rolling cylinders and makes it form the balanced stress distribution on the guide rail board, further reduces the resistance when the upper cylinder top hammer translates on the guide rail board, and the contact surface of rolling cylinder is larger relative to the ball and the upper cylinder top hammer simultaneously, and further can provide more stable rolling force to make it slide.

The utility model discloses a high-performance high-temperature-resistant dry-type air-core reactor which comprises a package formed by reactor aluminum stranded wires, the package is wound in a multi-layer cylinder mode, and all layers of aluminum stranded wires are connected in parallel to form an electrical connection structure. An upper star-shaped frame is arranged at the top of the envelope, a lower star-shaped frame is arranged at the bottom of the envelope, and the upper star-shaped frame, the lower star-shaped frame and the envelope are vertically bound through a wet binding tape; and the outer side of the aluminum stranded wire is tightly wrapped with a polyimide film, so that the H-level flat transposition aluminum stranded wire is formed. According to the utility model, the comprehensive H-level heat resistance level from interturn to overall insulation is realized, and the long-term operation stability and reliability of the reactor under high-temperature and complex working conditions are remarkably improved.

The utility model belongs to the transport vehicle technical field, specifically discloses a new energy two -way transport vehicle, including the frame and being located the first car head and the second car head of the both ends of frame, first car head with second car head about the top center of frame center symmetry arrangement, and the driving direction of first car head and second car head is opposite. The utility model provides a new energy two -way transport vehicle, adopts the setting of double car head, and the top center of car head about frame is strictly center symmetry, ensures arbitrary direction travel, and the stress of frame is evenly distributed, and the risk of gravity center deviation of bridge curve, ramp section is eliminated.

The utility model provides a kind of BIM cable bridge road visualization construction auxiliary device for constructional engineering, it is related to the technical field of constructional engineering construction equipment, including support assembly, support assembly is constituted by bottom plate, limiting slide bar and top plate, and limiting slide bar is connected between bottom plate and top plate, further include: adjusting lifting assembly, adjusting lifting assembly is constituted by lifting plate slidingly connected on limiting slide bar, and lifting plate of adjusting lifting assembly is slid along limiting slide bar, cooperate with symmetric distribution electric push rod, it can be realized to lift component stable lifting when working, electric push rod synchronous drive, balanced force, avoid lifting component inclination, ensure its accurate movement along vertical direction, limiting slide bar is the guidance of lifting plate, constrain its movement track, reduce shaking and deviation, this structure design makes bridge height adjustment flexible controllable, can quickly adapt to different construction position requirement, improve construction efficiency and positioning accuracy, provide reliable support for cable bridge installation.

The utility model discloses a kind of corrosion-resistant sealed metal cans in the field of metal can, including metal can body, sealing mechanism and protection mechanism are set to metal can body right side;Sealing mechanism includes with the fixed connection of metal can body right end injection pipe, the multiple sets of sealing rubber pad of injection pipe inner wall from left to right setting, the sealing cover body of insertable, the thread ring of being fixed to the sealing cover body outer wall and being connected with the injection pipe right end outer wall screw thread groove screw, the limiting push ring of sealing cover body left end, the limiting pad ring and sealing cover plate of clamping;Sealing rubber pad is multiple sets of sealing members fixedly installed on injection pipe inner wall, from left to right sequentially distribution along injection pipe inner wall, to realize the step-by-step sealing of cooperation with sealing cover body, the multiple levels sealing and mechanical reinforcement of injection port can be realized by the collaborative work of sealing mechanism and protection mechanism in this corrosion-resistant sealed metal can, both ensure long-term reliable air-tight and liquid-tight performance, also facilitate repeatedly opening maintenance and improve the corrosion resistance and safety reliability of whole tank.