147results about How to "Large swing angle" patented technology

The invention discloses a ray pectoral fin-imitated piezoelectric coupling propulsive mechanism. The ray pectoral fin-imitated piezoelectric coupling propulsive mechanism comprises a crankshaft, guide rods, a swinging block, a piezoelectric compound fin, a fish body pedestal, a crankshaft support, a driving motor, a battery pack and a main control panel, wherein the crankshaft is arranged on the crankshaft support; the swinging block comprises a pin shaft and a swinging block support; the pin shaft is arranged on the swinging block support; the crankshaft support and the swinging block support are fixedly arranged on the fish body pedestal; one of the guide rods is arranged between one end of the swinging block and the crankshaft; the driving motor and the crankshaft are connected through a gear; the piezoelectric compound fin is arranged at the other end of the swinging block; the battery pack can provide a direct current power source; the main control panel is electrically connected with the piezoelectric compound fin; the crankshaft is a four-turn crankshaft; the guide rod is arranged on each turning shaft of the four-turn crankshaft. The ray pectoral fin-imitated piezoelectric coupling propulsive mechanism can reduce the structural size, the weight of the fish body, and can realize chordwise fluctuation propulsion.

The invention relates to an associated movement-free parallel three-axis spindle head structure and belongs to the field of numerically controlled lathes. The structure comprises a dynamic platform, a static platform, a first branch mechanism, a second branch mechanism and a third branch mechanism, wherein the dynamic platform and the static platform are used for mounting a spindle, and the first branch mechanism; the second branch mechanism and the third branch mechanism are used for connecting the dynamic platform and the static platform. The first branch mechanism comprises a first input piece, a first connecting piece, a sliding pair and two turning pairs. The second branch mechanism comprises a second input piece, a second connecting piece, a sliding pair and two turning pairs. The second branch mechanism comprises a third input piece, a third connecting piece, a sliding pair and two spherical hinges or Hook hinges. The sliding pairs of the three branch mechanisms are under drive. The structure realizes rotation without associated movement and contributes to high-precision measurement, thereby achieving high precision. And the structure has the characteristics of high rigidity, low motion mass, high dynamic performance, simple structure, low cost, easy manufacture, relatively high flexibility, contribution to track planning and control, and the like.

A movable pulley traction connecting device used for inclined drift transportation heavy equipment is composed of an auxiliary transport cart and a movable pulley unit which is arranged on the upper portion of the auxiliary transport cart and hinged to the auxiliary transport cart, wherein a connecting hole is formed in a connecting plate at the rear end of a pulley frame of the movable pulley unit, the front end of the pulley frame is composed of an upper supporting plate and a lower supporting plate, a mandrel is arranged in a shaft hole of the pulley frame, a stop collar, a rope sheave and a thrust bearing are sequential arranged between the upper supporting plate of the pulley frame and the lower supporting plate of the pulley frame in series from top to bottom, the rope sheave can rotate around the mandrel between the upper supporting plate of the pulley frame and the lower supporting plate of the pulley frame, rope blocking rollers are arranged on the left side of the pulley frame and the right side of the pulley frame respectively, and rope supporting rollers are arranged on the left side of the front end of the pulley frame and the right side of the front end of the pulley frame in an inclined mode respectively. When the movable pulley traction connecting device is used for the inclined drift transportation heavy equipment, a steel wire rope is twined on the rope sheave through a rope groove, rope ends are fixed near a winch, the connecting hole in the rear end of the pulley frame is used for being connected with a heavily loaded vehicle, therefore, the transportation capacity of the winch is doubled, and the whole machine transportation requirement for some heavy equipment can be met.

The invention discloses a high-mounted crawler track walking system with a suspended shock-absorbing device, and the high-mounted crawler track walking system comprises a driving wheel, a tension wheel assembly, a guide wheel, a thrust wheel, a crawler track and a bracket assembly, wherein the tension wheel assembly is arranged at the front part of the bracket assembly, and the guide wheel is arranged at the rear part of the bracket assembly; the driving wheel is arranged at an upward position between the tension wheel assembly and the guide wheel and fixedly connected with a driving motor; the thrust wheel is arranged between the tension wheel assembly and the guide wheel and connected with the bracket assembly; the crawler track is arranged around the driving wheel, the tension wheel assembly, the thrust wheel and the guide wheel so as to form a triangular structure; the bracket assembly comprises brackets for installing the wheels and a cover body for installing the tension wheel assembly; and the thrust wheel is connected with the bracket assembly by the suspended shock-absorbing device. The high-mounted crawler track walking system disclosed by the invention has the beneficial effects that 1, the swing angle of the thrust wheel is large, therefore, the obstacle-detouring capacity of the walking system is strong; 2, the shock-absorbing effect is good; and 3, the structure is simple and compact, and the manufacturing cost is low.

The invention relates to an offshore floating body type suspended oscillating wave power generation device which comprises a mother ship and a water chamber arranged on the mother ship. A water chamber opening is formed in one end of the mother ship. The offshore floating body type suspended oscillating wave power generation device is characterized in that an oscillating assembly adjustable in center of gravity is arranged in the water chamber; the power generation device further comprises a vibration damping plate and a power generation control assembly; the vibration damping plate is connected with the another end of the mother ship; an upright column is arranged on the vibration damping plate; the bottom end of the upright column is fixed at the sea bottom; the power generation control assembly is connected with the oscillating assembly. Compared with the prior art, the offshore floating body type suspended oscillating wave power generation device is capable of floating offshore to collect wave energy, and the parameters of the device can be adjusted according to the wave working conditions within a certain range so that the energy conversion efficiency can be improved; besides, the device is low in site selection limitation, flexible, and excellent in adjustability.

The invention discloses a duct piece reshipment device for a shield tunnel, comprising a walking trolley (3) arranged on a walking pathway (2), a drive mechanism used for driving the walking trolley (3) to move along the walking pathway (2), and a grabbing mechanism (4) capable of moving up and down, wherein the walking pathway (2) is arranged in a shield tunnel with a small diameter; the lower end of the grabbing mechanism (4) capable of moving up and down is connected with a duct piece (7) to be reshipped, and the upper end of the grabbing mechanism (4) is connected with the walking trolley (3). Due to rapid reshipment speed and high working efficiency, the duct piece reshipment device is particularly applicable to the shield tunnel with a small diameter.

The invention discloses a 3D massage device used for a massage chair. The 3D massage device comprises a baseplate, an upper and lower walking mechanism, an adjusting mechanism and a massage movement, wherein the upper and lower walking mechanism is matched with a gear and a tooth rack to realize walking, and rotates through a walking optical grating disc matched with a gear shaft; a plurality of optical grating holes are formed in the walking optical grating disc; the adjusting mechanism drives an adjusting sliding block to move, so as to drive an adjusting arm to rotate, realize angle adjusting of the message movement and finally realize the adjusting of the massage intensity and massage depth. According to the invention, the swaying angle of a massage plate of the massage movement is relatively big, the available massage range is relatively wide; the positioning of the massage movement on the upper and lower walking mechanism is very accurate, the working accuracy and safety property of the massage chair are improved, and the adjusting mechanism realizes accurate control on the massage intensity and the massage depth.

The invention discloses a massage robot actuating mechanism, and relates to the field of medical machines. A main mechanism is formed by serially connecting two translational guide rails with a five degree-of-freedom mechanical arm, a two degree-of-freedom parallel mechanism comprising a translational mechanism and a rotary mechanism, and a crank rocker mechanism. The massage robot actuating mechanism comprises a sliding pair A (16) of the two translational guide rails, a sliding pair B (17) of the two translational guide rails, a fixed platform (14), a moving platform (9), the parallel mechanism and a planer rocker mechanism. The two translational guide rails are matched with the two degree-of-freedom parallel mechanism comprising the translational mechanism and the rotary mechanism and the crank rocker mechanism to complete actions such as rolling, pressing, rubbing, vibrating and patting in massage manipulation together. The mechanism has the advantages of simple and compact structure, high rigidity, flexible rotation, good dynamic performance, large pivot angle of the moving platform, low degree of freedom, simple kinematics analysis and easy real-time control.

The invention discloses a novel axial plunger pump. According to the technical scheme, the novel axial plunger pump is characterized by comprising an end cover, a front shell, a pump shaft arranged inside the front shell, a rear shell, a swash plate and a cylinder, wherein the swash plate and the cylinder are installed inside the rear shell; the end cover, the front shell, the rear shell and the cylinder are sequentially and fixedly connected, and the swash plate is connected to the end, back on to the shell, of the pump shaft; a cross-shaped swinging plate and a plunger assembly are further arranged inside a plunger pump; a plunger hole, a valve hole, a pressing-out valve set and a pressing-in valve set are arranged inside the cylinder, the pressing-out valve set and the pressing-in valve set are located in the valve hole, one end of the plunger assembly is embedded in the plunger hole, and the other end of the plunger assembly is connected with the cross-shaped swinging plate; the cross-shaped swinging plate abuts against the swash plate in a contact manner; and due to the fact that in the prior art a retainer plate and a piston shoe are embedded into a whole through a piston shoe plate, and the piston shoe and the a plunger bulb are embedded into a whole through the piston shoe plate, lateral force of the cylinder and a plunger base is decreased, meanwhile, the tilt angle of the swash plate is increased, the return distance of the plunger base is enlarged, displacement of the plunger pump is improved, the efficiency of the plunger pump is improved, and the design of the cylinder is further simplified.

The invention relates to a transmission device used for an optical cable repeated bending testing machine, comprising a crank sliding block mechanism; the sliding block of the crank sliding block mechanism is a strip-shaped sliding block, one side surface of which is provided with transmission teeth; a sliding block with teeth is meshed with a gear so as to form a gear rack transmission mechanism;and the gear is used for driving a swinging rod to swing. The sliding block of the crank sliding block mechanism is provided with transmission teeth meshed with the gear; the sliding block with teethand the gear form the gear rack transmission mechanism; the gear is used for driving the swinging rod thereon to swing; the sliding block with teeth of the crank sliding block mechanism drives the gear to rotate in a reciprocating manner so as to change the unidirectional rotating movement of the crank into reciprocating rotating movement of the gear; with the reciprocating rotation of the gear,the swinging rod outputs swinging movement and can realize swinging by plus or minus 90 degrees by adjusting the length of the crank. The transmission device has simple structure, reliable movement, low cost, no limitation for movement of the swinging rod and larger swinging angle.

The invention relates to a centrifugal force pendulum device with pendulum masses which are arranged axially on both sides on a pendulum mass carrier, which is rotatable about an axis of rotation, and form a pair of pendulum masses, wherein the pair of pendulum masses can be pivoted to a limited extent along a circular-arc-shaped pendulum path in relation to the pendulum mass carrier with the aid of at least two rolling elements which are rollable in a single cutout or in different cutouts in the pendulum mass carrier, and wherein the pendulum path has an axis of rotation which is positionally fixed with respect to the pendulum mass carrier and is at a radial distance from the pendulum mass.

The invention provides a vehicle suspension ball head pin assembly, which comprises a ball head seat fixed on an end of a cross arm, a positioning pin block, a lower ball bowl, a ball head pin, a screw plug, an upper ball bowl, a ball bowl pressing cover and a screw plug. The positioning pin block comprises a positioning block and a cylinder forming a fixed connection on the positioning block. The positioning block of the positioning pin block forms a clamped connection in a positioning groove arranged on the outer surface of the lower ball bowl. The cylinder of the positioning pin block is arranged in a positioning hole arranged on a side wall of the lower part of the ball head seat. The inner surface of the positioning hole is provided with threads for installing the screw plug. The positioning pin block is fixed through the screw plug. According to the vehicle suspension ball head pin assembly of the present invention, the positioning groove is arranged on the outer surface of the lower ball bowl, and is matched with the positioning pin block, such that the rotation of the lower ball bowl around the axial line can be limited; two limit positions on the bottom end of the conicalsurface of the lower ball bowl along the ball head pin movement enveloping surface are respectively cut with a gap structure, such that the panning angle of the ball head pin can be increased, and the vehicle suspension ball head pin assembly of the present invention is especially suitable for off-road vehicles with large suspension travel.

The invention discloses an underwater oscillating propeller which comprises an end cover fixed on the sealed cavity of an underwater robot, a propeller driving cavity, a propeller blade, a fixing rack with a round hole, a worm and gear box, a worm and gear driving motor, an oscillating output shaft, an oscillating shaft, two rolling bearings, two nylon bevel gears and two angular-contact ball bearings. The motor drives a worm and gear, and the rotating motion of an oscillating output shaft along an axial line is converted by a bevel gear pair to be horizontal oscillation of the propeller driving cavity through the oscillating shaft, so that the propeller can oscillate to provide a pushing force in the oscillating direction for the underwater robot. According to the invention, the integral oscillating propellers are adopted, the propellers require no additional transmission, the transmission loss is small, the high rotation-advancement efficiency of the propeller can be ensured, the angle of oscillation is larger, the structure is simple, and the mounting, maintenance and operation are reliable.

The invention discloses an aerial photography based on stepping framing type image and an aerial photography method, and relates to the technical field of imaging. The invention solves the problems of complex structure, big volume, heavy device, fixed shooting angle and high price of the existing area array aerial photography. The aerial photography based on stepping framing type image comprises a stable platform, a POS system, a hanging arm, a motor, a steering engine, a camera, an encoder, a camera installing plate, a camera adapter, and a pin board; a swaying mechanism is hung at the lower part of the stable platform through the hanging arm structure, the pin board is erected at the upper part of the stable platform, and the POS system is mounted; the center of the POS system is aligned to a rotary shaft of the framework in the stable platform, both sides of the hanging arm are equipped with a motor and an encoder, the inside is fixed with the camera through the camera installing plate; the steering engine is fixed at inside of the camera installing plate. Through driving the motor, the front and back swaying movements of the swaying mechanism are realized, a big vision field swaying imaging is realized; a lateral image shift is compensated by means of the shooting mode of start-stop for many times; the camera and the high-precision POS system are miniaturized and integrated, the large-width high-resolution imaging is realized.

The invention discloses an arm type four-wheeled cross-country forklift. The arm type four-wheeled cross-country forklift comprises a forklift body and a forklift system, wherein the forklift system is mounted on the forklift body, and comprises a cargo fork, a sliding power device, a sliding driving device, a swinging power device and a swinging driving device; the sliding power device is used for driving the cargo fork to slide back and forth along a rail through the sliding driving device, so that the cargo fork is lifted up or put down; the swinging power device is used for driving the cargo fork to swing through the swinging driving device so that the inclined angle, relative to the horizontal plane, of the cargo fork is adjusted. The arm type four-wheeled cross-country forklift has the beneficial effects that the swinging range of the cargo fork is large and the tail end of the cargo fork is upwards raised, so that cargoes are prevented from falling from the cargo fork; the trafficability characteristic in the vertical direction is good; two wheels or four wheels are used so that the road surface trafficability characteristic is improved.

The invention relates to a tilting-type automatic coating machine and a working method. The tilting-type automatic coating machine comprises a spin-drying tank, wherein the top of the spin-drying tank is open. The spin-drying tank is arranged on a fixed base through a tilting driving mechanism. A cylinder cover capable of being opened and closed is arranged at the top of the spin-drying tank. A spin-drying bracket capable of limiting a basket containing a workpiece is in running fit with the interior of the spin-drying tank. The spin-drying bracket is in transmission connection with a power device arranged at the bottom of the spin-drying tank. The power device is suitable for driving the spin-drying bracket to rotate. The tilting driving mechanism is suitable for driving the spin-drying tank to swing in a reciprocating mode relative to the position perpendicular to the centerline. A coating liquid tank used for storing coating liquid and coating the workpiece is further arranged on one side of the spin-drying tank. A conveying device used for conveying the basket is arranged above the spin-drying tank and the coating liquid tank. By the adoption of the basket conveying device, the spin-drying station is separated from the liquid coating station; during spin-drying, the coating liquid can be prevented from splashing out, and the spin-drying tilting angle is also increased.

The invention discloses a novel axial plunger pump which comprises an end cover, a front shell, a rear shell, a pump shaft, a port plate, a swash plate and a cylinder block. The swash plate and the cylinder block are mounted in the rear shell. A cross-shaped wobble plate and plunger components are arranged in a plunger pump body. Plunger holes are formed in the cylinder block. One end of each plunger component is embedded in the corresponding plunger hole, and the other end of each plunger component is connected with the cross-shaped wobble plate. The cross-shaped wobble plate abuts against the swash plate. The cross-shaped wobble plate comprises an inner wobble plate body and an outer wobble plate body. The inner wobble plate body is rotatably connected with the outer wobble plate body through an inner wobble plate body fixing sleeve. The outer wobble plate body is rotatably connected with the cylinder block through an outer wobble plate body fixing sleeve. Sliding shoe holes are formed in the inner wobble plate body. Sliding shoes are connected with the plunger components and can move in a reciprocating mode in the axial direction of the cross-shaped wobble plate. According to a sliding shoe disc of the novel axial plunger pump, a return stroke disc and the sliding shoes in the prior art are embedded together and the sliding shoes and plunger balls in the prior art are embedded together; the radial force of the cylinder block and a plunger base is reduced, and friction loss of the plunger holes is avoided. Meanwhile, the tilt angle of the swash plate is increased, the return stroke distance of the plunger base can be conveniently increased, and the displacement of the plunger pump is improved.

The invention designs a wall-mounted waterworks moss cleaning machine mainly comprising a wall-mounted rack and a roller brush, wherein the wall-mounted rack is composed of an upper top tray, a lower baseboard and a brace arranged between the upper top tray and the lower baseboard; a lifting table is arranged between the upper top tray and the lower baseboard and is connected with an oscillating platform by a hinge; the roller brush is upwards inserted from the lower part of the oscillating platform and is connected with a roller brush transmission mechanism; the lower baseboard is provided with a vertical rotation shaft by a bearing; the lifting table is matched with the rotation shaft by sliding the bearing and forms a sliding pair with the rotation shaft; the rotation shaft is provided with an actuating arm synchronously oscillating with the rotation shaft; the actuating arm and the oscillating platform are on the same horizontal plane to drive the oscillating platform to oscillate; a lead screw is arranged in the wall-mounted rack; and the lifting table is provided with a screwed hole matched with the lead screw. The moss cleaning machine is characterized in that the roller brush driven by a motor is arranged on the rainbow-shaped bridge of the waterworks by the wall-mounted rack to obtain the effect of automatically cleaning.

The invention relates to a suturing and cutting device for an endoscopic surgery. The suturing and cutting device comprises a main body, a nail head portion and a link mechanism, wherein the nail head portion is connected to the far end of the main body by virtue of the link mechanism in a mode of being capable of swinging relative to the axial direction of the main body; and the link mechanism comprises an operating rod, a link component and a connecting component. According to the suturing and cutting device, an adaptor is added between the main body and the nail head portion; and one end of the adaptor is hinged with the main body and the other end is hinged with the nail head portion. Through transmission of the link component and the connecting component when action force is applied to the operating rod, the nail head portion swings for the first time relative to the axial direction of the main body, and as the adapter swings in a same direction relative to the axial direction of the main body, the nail head portion swings for the second time relative to the main body, and a swinging angle can be larger, so as to better satisfy the demand of the endoscopic surgery.

The invention relates to a light-weight three-wire six-axle semitrailer which comprises supports and multiple balance seats. The supports comprise the front support, the first middle support, the second middle support and the rear support, all of which are transversely arranged sequentially. The front support and the first middle support are connected through the corresponding balance seat, the first middle support and the second middle support are connected through the corresponding balance seat, and the second middle support and the rear support are connected through the corresponding balance seat. Each balance seat is provided with an axle, and the two ends of each axle are provided with hubs. Rotary shafts are arranged on the middle portions of the first middle support and the second middle support, the outer ends of the rotary shafts are sleeved with swing arms, the swing arms can swing along the rotary shafts, and the axles and the balance seats can swing along the swing arms. Asuspension system and an axle system of a traditional trailer are combined together into one system, meanwhile, structures such as plate springs, plate spring seats and U-shaped bolts are abandoned, and therefore the beneficial effects that the light-weight three-wire six-axle semitrailer is simple in overall layout, easy to install, practical and convenient and quick to use are achieved.

An optical lens module including a foundation, at least one actuator, a lens base, an optical lens, at least one shaft, and at least one rocker arm is provided. The actuator is disposed in an accommodation space, defined inside the foundation, and fixed on the foundation. The lens base is disposed in the accommodation space and beside the actuator. The optical lens is disposed on the lens base. The shaft has a first end and a second end opposite to the first end. The first end is solidly connected to the lens base. The second end is connected to the foundation. The rocker arm has a third end and a fourth end opposite to the third end. The third end is solidly connected to a portion of the shaft between the first end and the second end. The fourth end is connected to the actuator.

An optical lens module including a foundation, at least one actuator, a lens base, an optical lens, at least one shaft, and at least one rocker arm is provided. The actuator is disposed in an accommodation space, defined inside the foundation, and fixed on the foundation. The lens base is disposed in the accommodation space and beside the actuator. The optical lens is disposed on the lens base. The shaft has a first end and a second end opposite to the first end. The first end is solidly connected to the lens base. The second end is connected to the foundation. The rocker arm has a third end and a fourth end opposite to the third end. The third end is solidly connected to a portion of the shaft between the first end and the second end. The fourth end is connected to the actuator.

The invention discloses a liquid crystal display support convenient to install. The liquid crystal display support convenient to install comprises a base of a crossed structure, bosses are installed at four corners of the base separately, and a crossed sliding groove is formed in the top of the base. A first sliding block and a second sliding block are installed in the sliding groove in a slidingmode, a first fixing column is installed at the top of the first sliding block, a second fixing column is installed at the top of the second sliding block, a second bottom plate in a strip shape is arranged above the base, and cylindrical fixing seats are installed at the two ends of the bottom of the second bottom plate correspondingly. Round rotating grooves are formed in the bottoms of the twofixing seats correspondingly, the first fixing column and the second fixing column are rotationally sleeved with the two rotating grooves separately, and an adjusting rod is rotationally inserted in the top of the second bottom plate, and a knob is installed at the bottom end of the adjusting rod. By means of the liquid crystal display support convenient to install, the placement angle and heightof a liquid crystal display can be conveniently adjusted, the swing amplitude is large, installation is quite steady and convenient, operation by users is facilitated, and use convenience is improved.

The invention discloses a pneumatic automobile crane used for principle demonstration, belonging to the hoisting machinery field, and comprises an automobile chassis, a cargo boom, a revolution mechanism, a hoisting mechanism and a luffing mechanism. The automobile chassis controls front axle deflection steering through a steering cylinder, and provides rear axle driving power through a gas motor; the vehicle frame of the automobile chassis is also provided with two sets of hoisting supporting legs. The revolution mechanism realizes the rotation of a revolving platform through a swing cylinder; the cargo boom is installed on the revolving platform, and a cylinder controls the telescoping of the cargo boom; the hoisting mechanism utilizes a pneumatic motor to drive a reel to fold and unfold a steel wire rope to hoist cargoes; the luffing mechanism controls the inclination angle amplitude of the cargo boom through a luffing cylinder. The pneumatic automobile crane utilizes pneumatic power as the power source of an automobile crane, simulates and manufactures the demonstration model of the automobile crane, more visually displays the work principle of the automobile crane, facilities on-site teaching and principle demonstration, and plays a good role in researching the automobile crane.

A vector spray pipe parallel-connection driving mechanism comprises a parallel-connection mechanism and an adjusting plate mechanism. The parallel-connection mechanism comprises a ball pipe seat, three SPS type branches and a ball sleeve. The ball pipe seat and the ball sleeve are connected in a ball pair mode, the three SPS type branches are circumferentially and uniformly distributed between the ball pipe seat and the ball sleeve, and the two ends of each SPS type branch are connected with the ball pipe seat and the ball sleeve in a ball pair mode correspondingly. The adjusting plate mechanism comprises a ball sleeve, a conical sliding sleeve, three distance adjusting sets and a plurality of adjusting plates, and the distance adjusting sets and the adjusting plates are circumferentially and uniformly distributed between the concave ball sleeve and the conical sliding sleeve; and the distance adjusting sets comprise motors and lead screws, the motors are fixedly connected with the corresponding ball sleeve, motor shafts are in same shaft key connection with one ends of lead screws, the other ends of the lead screws are in threaded connection with the conical sliding sleeve, and the corresponding ball sleeve is in rotary pair connection with the adjusting plates. According to the vector spray pipe parallel-connection driving mechanism, a vector spray pipe is large in swing angle, simple in structure and easy to control, the multiple adjusting plates forming the vector spray pipe can achieve axially-symmetrical contraction and expansion movement, and the rectifying action and airtightness are good.

The invention relates to the technical field of lithium ion battery recycling, in particular relates to a pole column removing device for recycling waste lithium ion batteries. The pole column removing device for recycling the waste lithium ion batteries comprises a platform and a clamping mechanism, wherein the platform is used for holding a core; a core fixing structure for fixing a core is arranged on the platform; the clamping mechanism is used for clamping a battery top cover; a torsion driving mechanism for driving the platform and the clamping mechanism to rotate oppositely so as to screw off the battery top cover is in transmission connection with the platform and / or the clamping mechanism. By adopting the pole column removing device, a pole column and the battery top cover can be conveniently and rapidly separated from the core, and moreover, the core is prevented from short circuit.

A damping device for thrust wheels of a crawler-type skid-steer loader comprises the thrust wheels, a rack and shock pads. The shock pads are used for connecting the thrust wheels and the rack, and each thrust wheel comprises a hinge, a hinge pin, a support and wheel bodies. The support comprises two side plates, a beam and a hinge ring, the two side plates and the beam are fixedly connected to form an H-shaped structure, and the hinge ring is fixed on the beam in the middle of the H-shaped structure. The wheel bodies are respectively and rotatably mounted at notch positions of two ends of the H-shaped structure, the hinge pin penetrates through the hinge and a through hole of the hinge ring on the support, and hinging of the hinge and the support is achieved. Limit blocks for limiting swinging angles of supports of the thrust wheels are arranged on side faces of the rack. The damping device has the advantages that the thrust wheels are large in the swinging angles and high in obstacle climbing ability, the damping device is fine in damping effect, simple in structure and low in manufacturing cost.

The invention relates to a novel heading machine cutting device and a working method thereof, and belongs to the field of coal rock crushing of a heading roadway of a stope face. The novel heading machine cutting device comprises a body, a support driving device and an adjusting hydraulic cylinder; the body is provided with a chain wheel, a chain and a scraper; a motor and a speed reducer are arranged in the support driving device; an output shaft of the speed reducer is connected with the chain wheel; the chain wheel is meshed with the chain and drives the chain to rotate; the multiple scrapers are arranged on the chain; cutting teeth for cutting are arranged on the scrapers; one end of the support driving device is rotationally connected with a connecting lug plate at the upper part of a vehicle body of a heading machine through a pin shaft; the other end of the support driving device is connected with the lower part of the heading machine through the adjusting hydraulic cylinder; the upper surface, the lower surface and the end, away from the support driving device, of the body are all working faces; and the ratio of the length to the width of the body is 2:1-3:1. According to the novel heading machine cutting device and the working method thereof, coal rock can be cut by adopting various angles and various cutting areas, so that the cutting area is large, and the purpose of rapidly tunneling a roadway can be achieved.

The invention relates to a clamping device. The clamping device comprises a first pipe body, a second pipe body, a first rod pivoted to the second pipe body, a second rod pivoted to the first rod, a first claw arm, a second claw arm, a third rod, a fourth rod, a nut and a screw, wherein first pipe body and the second pipe body are pivoted to each other, the first claw arm is provided with a firstclamping part and a first connecting part, the second claw arm is provided with a second clamping part and a second connecting part, the first claw arm and the second claw arm are both pivoted to thesecond pipe body, the third rod and the fourth rod are pivoted to the first connecting part and the second connecting part respectively, the nut is pivoted to the third rod and the fourth rod, the screw is in threaded connection with the nut, and the screw is driven by a driving rod through a first universal joint, a fifth rod and a second universal joint. In this way, the driving rod drives the nut to move and controls the first clamping part and the second clamping part to move through the third rod, the fourth rod, the first connecting part and the second connecting part, and then the clamping force can be stably maintained. In addition, the second rod and the first rod are controlled to control the second pipe body, the first clamping part and the second clamping part to swing relativeto the first pipe body.