171results about How to "Limit swing" patented technology

The invention provides an energy absorption device arranged at the front end of a train. The energy absorption device comprises a train coupler seat, a support, a pressure feeding tube, a train coupler, a guiding component, energy absorption elements and an anti-climbing assembly, wherein the support is fixedly arranged at the front end of the train; the pressure feeding tube is fixed at the train coupler seat; a train coupler connecting end is mounted in the pressure feeding tube in an inserted manner, and can slide relative to the pressure feeding tube; one end of the guiding component is fixed with the train coupler seat; the other end of the guiding component is mounted at the support in an inserted manner, and can slide relative to the support; the guiding component can limit the swing of the pressure feeding tube; the energy absorption elements are arranged between the train coupler seat and the support; the anti-climbing assembly is fixedly arranged on the support, and can be compressed. According to the energy absorption device disclosed by the invention, the energy generated by collision is absorbed by a manner that various energy absorption assemblies are arranged in a limited space; besides, the displacement perpendicular to the self direction, of the train, is limited by the guiding component and the anti-climbing assembly, so that train climbing and derailing are avoided.

The invention relates to a vibration isolation and buffer device for machine-born equipment, in particular to a totally-closed rigidity adjustable type vibration isolator, which comprises a casing, an installation core shaft, a protective rubber cover, an upper rubber ring, a spherical vibration isolation part and a lower rubber ring. The casing is of a sealed structure, the top of the casing is provided with an installation hole where the installation core shaft is arranged, and the spherical vibration isolation part is arranged in the sealed casing and is connected with the bottom of the installation core shaft together. The upper rubber ring is sleeved at the upper portion of a damp rubber ball, and the lower rubber ring is sleeved at the lower portion of the damp rubber ball which is sealed in the casing. The totally-closed rigidity adjustable type vibration isolator adopts a totally-closed structure to have small environment influence, utilizes a combination structure combining the spherical surface and the cylindrical surface to improve vibration isolation and retarding effects, utilizes the structures of the upper rubber ring and the lower rubber ring to limit the swinging of the head of the installation core shaft and improve using safety, and can be suitable for different frequency ranges by rotating the upper cover to adjust the rigidity of the vibration isolator.

The invention discloses a ship stabilization crane. The ship stabilization crane comprises a crane body, a lifting hook with a stabilization disc, folding stabilization arms and a lifting cable. The crane body is installed on a ship body, the lifting hook is connected with a main motor of the crane body through the lifting cable; the crane body self carries a stabilization device; the stabilization disc is fixedly connected to the lifting hook; the folding stabilization arms are symmetrically fixedly connected on the two sides of a crane jib in a hinged mode and controlled through hydraulic cylinders to expand and draw back; and the folding stabilization arms are connected with three lifting lugs in the circumferential direction of the outer wall of the stabilization disc of the lifting hook in the way that three additionally installed stabilization hydraulic motors and rollers are matched with corresponding steel wire cables and guiding pulleys, swinging is reduced in the way that movement of the corresponding motors is controlled to pre-tighten a stabilization rope, and traction stabilization of a stereoscopic triangle can be directly achieved through installation of equal division of circumference of the three lifting lugs. The ship stabilization crane is novel in structure, convenient to machine and use and safe and reliable and prevent a lifting tool and goods from swinging.

The invention belongs to the technical field of ocean renewable energy utilization, and discloses offshore semi-submersible wind energy and wave energy integrated power generation equipment. The integrated power generation equipment comprises a wind energy power generation mechanism, a semi-submersible platform and a plurality of wave energy power generation mechanisms, wherein the wind power generation mechanism is used for wind power generation and arranged on the semi-submersible platform; the plurality of wave energy power generation mechanisms are separately arranged on the semi-submersible platform and used for consuming wave energy received by the integrated power generation equipment to generate power; when the integrated power generation equipment vibrates under the action of waveenergy, the wave energy power generation mechanisms consume the wave energy to generate electricity as well as elastic deformation to store energy while limiting the movement of the semi-submersibleplatform; and after energy storage is finished, the wave energy power generation mechanisms generate power through an elastic restoring force, so that the vibration amplitude of the integrated power generation equipment is reduced while power generation is carried out by consuming wave energy received by the integrated power generation equipment. According to the integrated power generation equipment, the power generation efficiency and stability are improved, and the practicability is higher.

The invention belongs to the field of paper processing devices, and particularly discloses a paper cutting machine. The paper cutting machine comprises a paper feeding mechanism, a cutting mechanism and a collection mechanism, wherein the cutting mechanism comprises a workbench, a rack, a mounting base, a cutter and a power device; a cutting groove is formed in the upper surface of the workbench;the paper feeding unit comprises an uncoiling roller, a rotary shaft and a paper feeding roller; the paper feeding roller is fixed to the rotary shaft; the rotary shaft is provided with a ratchet wheel; the mounting base is provided with a mounting strip; a plurality of clamping jaws are hinged to the mounting strip and can be clamped to the ratchet wheel; the collection mechanism comprises a slide rail, a torsional spring, a transmission shaft, a conveying board and a collection tank; the conveying board is in sliding connection with the slide rail; a gear is fixed to the transmission shaft;a rack is arranged on the lower surface of the conveying board; one end of the torsional spring is fixed to the workbench; the other end of the torsional spring is fixed to the transmission shaft; thetransmission shaft is wound with a pull rope; and the pull rope is connected to the mounting base. When the paper cutting machine is used, the cutting quality can be ensured, burrs at notches are avoided, cut paper can be effectively collected, and pieces of paper are stacked orderly.

The utility model relates to a high-low beam overtaking switch mechanism which comprises a base (3), and a static contact piece (100) arranged on the base (3). The high-low beam overtaking switch mechanism is characterized in that the mechanism further comprises a sliding block (5) capable of sliding in relation to the base (3); the static contact piece (100) comprises a high beam contact piece (7), a grounding contact piece (6) and a headlamp contact piece (8) which are arranged in mutual independence; and a movable contact piece (9) in fit with the static contact piece (100) is arranged on the sliding block (5) and can move together with the sliding block (5). Compared with the prior art, the invention has the advantage that the reliability and the stability of the overall switch operation are greatly improved because of adopting a switching mode that the movable contact piece and the static contact piece are movably matched, and has no possibility of fault occurrence brought by abrasion.

The invention discloses a double-layer lifting workbench. The double-layer lifting workbench comprises a bracket (1), a lathe bed (2), two workbench bodies and driving devices (5), wherein the two workbench bodies are both connected to the lathe bed (2) in a sliding mode, and the driving devices (5) are installed on the bracket (1), connected with the lathe bed (2) and used for driving the lathe bed (2) and the workbench bodies to rise and fall together. The double-layer lifting workbench comprises the first workbench body (3a) and the second workbench body (3b) which are arranged up and down. The first workbench body (3a) is located above the second workbench body (3b). The bracket (1) is further provided with a hinge mechanism for enabling the lathe bed (2) to be kept balanced during lifting. The hinge mechanism comprises at least two sets of lifting hinges (6). The adjacent lifting hinges (6) are connected through a rigid connecting piece (9) which enables the lifting hinges (6) to be kept synchronous during lifting. According to the provided double-layer lifting workbench of the structure, the balance of the workbench bodies in the lifting process is good, and the stability is high.

The invention belongs to the related technical field of floating offshore wind power generators, and discloses a semi-submersible wind power generator platform with a vibration reduction and isolationfunction. The semi-submersible wind power generator platform comprises a supporting structure, a vibration reduction and damping assembly and a spherical hinge, wherein the supporting structure is ofan upper layer and a lower layer frame structure, and the upper layer of the supporting structure is connected with a generator assembly through the spherical hinge; the vibration reduction and damping assembly is connected with the generator assembly and the supporting structure, and is used for reducing vibration suffered by the generator assembly; the vibration reduction and damping assembly comprises a plurality of dampers and a plurality of springs, wherein the dampers are uniformly distributed around the generator assembly; and one ends of the dampers are connected to the supporting structure, and the other ends of the dampers are connected to the generator assembly through the springs. According to the semi-submersible wind power generator platform, the motion amplitude of an offshore wind power generator is can obviously reduced, so that the stability of the whole generator platform is increased, and a safe and reliable platform supporting infrastructure is provided for high-power floating offshore wind power generation equipment.

A papermaking cooking protoplasm sorter consists of motor(1), transmission device(2), vertical shaft, conical screen, separating drum an frame(3) etc. Spiral plate(11) is arranged at internal wall of conical screen, upper end(4) of vertical shaft is connected with conical screen, lower end is connected with motor(1) by transmission device(2), conical screen is installed in separating drum, pulp inlet(17) is arranged at top of separating drum and connected with conical screen, separating drum consists of pulp drum(15) installed at outer of conical screen and slag drum(16) installed at outer of pulp drum(15) and connected with conical screen opening, vertical shaft and motor(1) are fixed on frame(3). It has more yield, less black-liquor consumption and no need for water dilution, and it can save water.

The invention discloses a linear type anastomat of a medical instrument. The linear type anastomat comprises a lower splint, a nail butting base, an upper handle, a lower handle, a percussion mechanism, an opening-closing mechanism and a cutting knife, wherein the upper handle is fixedly connected with the nail butting base; the lower handle is hinged with the nail butting base; the percussion mechanism is arranged on the lower splint and is matched with the lower splint in a slippage way; the opening-closing mechanism is arranged on the lower handle; the opening-closing mechanism can make the lower splint and the nail butting base mutually separated and closed; the head of the lower splint is provided with a nail bin; a nail pushing slice and a suture nail are arranged in the nail bin; the cutting knife is fixedly connected with the percussion mechanism and is matched with the lower splint in a slippage way; the nail pushing slice is fixedly connected with the percussion mechanism and is matched with the lower splint in a slippage way; the nail pushing slice can push out the suture nail in the nail bin; the percussion mechanism comprises a propelling block, a propelling handle, a propelling rod and a safety device; the lower splint is provided with two protruding shoulders; and a sliding groove is arranged between the two protruding shoulders. The linear type anastomat saves labor in the process of percussion, prevents the propelling handle from moving leftwards and rightwards and ensures smooth operations.

The invention discloses a variable-stiffness double-arm automatic tensioner. The variable-stiffness double-arm automatic tensioner comprises an adjusting arm, a working arm, a pivotal shaft, a bush, abottom plate, a torsion spring, a rolling bearing and a belt wheel; the adjusting arm is arranged on an engine body through a bolt; the pivotal shaft is arranged on the adjusting arm; the working armis arranged on one end of the pivotal shaft in a pivotal mode through the bush; the other end of the pivotal shaft is connected with a base; the base is fixed on the engine body through a plug pin; the torsion spring is arranged between the bottom plate and the working arm in a torsion and sleeving manner and is separately fixedly connected with the bottom plate and the working arm; the belt wheel is arranged on the working arm through the rolling bearing; and part of the inner ring of the torsion spring is gradually contacted with the outer peripheral wall of the bottom plate in a torsion angle changing process to change the torsion stiffness of the torsion spring. By adopting the variable-stiffness double-arm automatic tensioner, error compensation capability during assembly of the tensioner can be increased, and spring stiffness can be changed; a tension arm is prevented from being impacted with a limiting device to generate noise; and the service life of the tensioner is prolonged.

The invention discloses a device for protecting a J-shaped pipe out of an offshore wind power submarine cable. A centralized positioning protective device is arranged on the submarine cable at the tail of the J-shaped pipe, the submarine cable is tightly hugged by the centralized positioning protective device, and the centralized positioning protective device is clamped in the J-shaped pipe, so that the submarine cable is located at the central position of the J-shaped pipe; the tail of the positioning protective device is further connected with a bending protective device, the bending protective device adopts a joint occlusion structure, and a chain shape is formed by increasing the number of joints; a through hole is formed in the center of the bending protective device, and is used for penetrating through the submarine cable. According to the device, the protection of the submarine cable after coming out of the J-shaped pipe can be effectively solved, the submarine cable can be restricted to swing in the J-shaped pipe, overbending of the submarine cable in a suspension section is prevented, ocean current erosive wear as well as foreign object impact and anchoring damage are avoided, all of the installation is completed on a construction ship, the installation is simple, and in the construction aspect, later-stage maintenance is not needed after the installation is in place, so that the construction cost and later-stage maintenance cost are greatly reduced.

The vehicle (1) has a frame (2) and a cabin (3) connected with each other by a spring-loaded and/or damping bearing (4). A rod (5) is provided between the frame and the cabin and is arranged with the frame and the cabin in an articulated manner such that an oscillating movement of the cabin is reduced. The rod is assigned to the bearing and is connected with a section (6) of the bearing in an articulated manner, where the bearing is rigidly fastened to the frame or the cabin. A movable support of the bearing is connected with the rod.

The invention provides a straight hole drilling method for a drilling machine, and the straight hole drilling method for the drilling machine is suitable for drilling a gas drainage borehole in an underground coal mine. A drill bit is arranged on a section of round drill rod to start hole drilling operation, after a borehole is drilled by the depth of one section of drill rod, a section of threaded drill rod of which the outer diameter is the same as that of the drill bit is connected with the drill bit, drilling continues to be conducted, a common round drill rod is connected after the threaded drill rod enters the borehole, and drilling is conducted according to a general method till the drill bit reaches the designated position. The straight hole drilling method has the advantages that the drilling trace is straight, operation is simple, and slagging is effective; the problem that the borehole deviates the preset trace due to the fact that the drill bit is unevenly stressed can be effectively solved; and meanwhile, the threaded drill rod is convenient to buy, the cost is low, and the drilling cost is low.

The invention provides a vehicle capable of preventing a power supply line from contacting with a motor, a power control unit and other peripheral members while maintaining the internal layout of a motor chamber, so as to protect the power supply line. The vehicle is characterized in that the power supply line (25) is provided with a motor-side connecting part (26) connected with one end of a shell (21) along the left-right direction thereof, a PC-side connecting part (33) connected with the other end of a PCU (12) along the left-right direction thereof, and a middle part (34) extending between the motor-side connecting part (26) and the PC-side connecting part (33). The middle part (34) is provided with a motor-side fixing part (76) fixed to the shell (21) through a motor-side bracket (71).

A processing center is equipped with a partition board (30) at inner side of a protecting baffle plate. A sliding door (40) set at peristome (31) of the partition board (30) hitches its superior side hitching extensible guide to the superior side extensible guide (60) of the peristome (31). Then, the sliding door (40) moves by driving the superior side hitching extensible guide to shift at the superior side extensible guide (60). Furthermore, since the lower side hitching extensible guide (55) of the sliding door (4) is held by the lower side extensible guide (65) of the peristome (31) and the partition board (30), the pendulum motion of the lower end is restricted when the sliding door (40) moves. Since the extensible guide cover board (70) covers the superior side hitching extensible guide and the superior side extensible guide (60), the borings powder is prevented from piling up at the superior side extensible guide (60).

The invention relates to the technical field of electrical connection devices, in particular to an electrical wiring terminal. The electrical wiring terminal comprises a shell; a threading hole for insertion of a lead wire is formed in the shell; the shell is internally provided with a supporting conductor used for conductively communicating with the lead wire inserted into the shell and a wire pressing spring piece for pressing the lead wire to the supporting conductor; a handle for driving the wire pressing spring piece to act is hinged to the shell; the wire pressing spring piece comprisesa fixed part which is fixed to the shell, and further comprises an overhanging part which swings relative to the fixed part under the driving of the handle; and the handle is provided with a pushing part for pushing the overhanging part to press the lead wire in a rotating process. The overhanging part can swing in the shell by taking the fixed part as a supporting point to compress or loosen thelead wire; and the position of the wire pressing spring piece in the shell cannot be changed due to the limitation of the fixed part, so that the wire pressing spring piece has a unique movement trackunder the driving of the handle, the matching position of the wire pressing spring piece and the handle is not changed, and the reliability of the electric wiring terminal is ensured.

The invention provides a drill tool arrangement and placement device. The device is installed on a derrick used for placing drill tools. The device includes a stand column installed on the derrick; the stand column is provided with a centralizer unit used for supporting end portions of the drill tools, and a clamping unit used for fixing the drill tools; the centralizer unit includes a first centralizer unit body and a second centralizer unit body below the first centralizer unit body, and the clamping unit is located between the first centralizer unit body and the second centralizer unit body; the drill tool arrangement and placement device is used for righting and arranging the drill tools through the three operating units, there are several supporting positions, the drill tools are flexible in operation, and processing is easy and efficient. The end portions of the drilling tools are controlled by the centralizer unit, the swing amplitude of each drilling tool can be limited, and the stability and safety of processing is improved.

The invention relates to an automatic cleaning device for an underwater measuring head of a sensor. The automatic cleaning device comprises a floating plate arranged on the water surface in a floating mode, a cleaning device body arranged under the water surface and connecting parts connected between the floating plate and the cleaning device body; the middle of the floating plate is provided with a containing hole used for containing the sensor, and the lower end of the sensor penetrates through the containing hole and then is arranged under the water surface; the floating plate is connected with the outer circumference of the bottom of the sensor in an abutting mode through two rotating connection points which are symmetrically arranged in the containing hole in a protruding mode; the cleaning device body is fixedly arranged at the lower ends of the connecting parts, the upper portion of the cleaning device body makes contact with the bottom of the measuring head of the sensor, and the upper ends of the connecting parts are fixedly arranged on the lower end face of the floating plate. According to the automatic cleaning device, power does not need to be additionally supplied to the floating plate, under surging of water flow, the floating plate can circumferentially rotate around the sensor, the left side and the right side of the floating plate can swing up and down relative to the sensor, therefore, the cleaning device body is driven to swing, and all-dimensional automatic cleaning is performed on the measuring head; not only are energy conservation and environment protection achieved, but also the sensitivity of the underwater measuring head can be guaranteed.

The invention discloses a swinging column arranging mechanism for screws. The swinging column arranging mechanism for the screws comprises a base, a swinging cylinder, a driving rocking bar, a connecting rod and a rectangular material hopper, wherein the bottom of one side of the material hopper extends outwards; strip-shaped sliding grooves which are matched with the rod parts of the screws are formed in the bottom of the material hopper; the length direction of the strip-shaped sliding grooves is the same as the extending direction of the bottom of the material hopper; the bottom of one side, close to a bottom extension part, of the material hopper is hinged to the base; one side, opposite to the bottom extension part, of the material hopper is hinged to one end of the connecting rod; one end of the driving rocking bar is hinged to the base; the swinging cylinder is hinged to the base; a piston rod of the swinging cylinder is hinged to the driving rocking bar and the connecting rod. According to the swinging column arranging mechanism for the screws disclosed by the invention, the screws can be arranged into columns; the arranging time is saved; moreover, the structure is simple.