30results about How to "Realize the centering function" patented technology

The invention relates to a bearing mounting tool with a centering function; the bearing mounting tool comprises a pressure head (1), a guide shaft (2) and a spring (3); the guide shaft (2) is installed inside the pressure head and is capable of moving axially inside the pressure head (1); the spring (3) is arranged at one end of the guide shaft (2); the other end of the spring (3) is pressed against the internal wall of the pressure head (1); the other end of the guide shaft (2) is capable of being stretched out of the end part of the pressure head (1); the external diameter of the part of the guide shaft (2) stretched out of the pressure head (1) is equal to the internal diameter of the hollow part of a shaft equipped with a bearing; and the internal diameter of the pressure head (1) matches with the external diameter clearance of the shaft to be mounted with the bearing. The centering function during installation is realized; no deflection of the bearing during installation is guaranteed and the requirement without damaging the bearing, the shaft and the bearing seat is satisfied.

The invention discloses a self-centering chuck device. The self-centering chuck device comprises a pipeline flange plate provided with a standard straight pipe section and a chuck assembly which sleeves the pipeline flange pipeline, wherein the chuck assembly comprises a positioning screw rod, a chuck body and a movable clamping claw, wherein the chuck body is composed of a chuck and a sleeve; oneend of the sleeve sleeves the standard straight pipe section, the other end of the sleeve is connected with the chuck, and a boss is arranged on the outer wall of the sleeve; a clamping claw drivingrod is further arranged, and the two ends of the clamping claw driving rod are hinged to the boss and the movable clamping claw correspondingly; and a clamping groove used for containing the movable clamping jaw is formed in the chuck; a positioning hole is formed in the sleeve, and the positioning screw rod is connected with the positioning hole. According to the device, a portable design is adopted, the operation is simple and reliable, and the installation precision and the meter clamping efficiency of a flowmeter can be effectively improved, so that clamping requirements of various non-flange type flow meters can be met.

The invention provides a big-tonnage rock engineering power disaster simulation experiment system, and relates to equipment for performing experiments on big-tonnage rock. The equipment comprises a fixed base, a first base, an annular framework and a second base, wherein an upper and lower loading cylinder and a left and right loading cylinder are connected in the annular framework; a front and back loading cylinder is connected onto one side surface of the second base; each of the upper and lower loading cylinder, the left and right loading cylinder and the front and back loading cylinder comprises a static loading cylinder tube, a movable loading cylinder tube, a static loading piston rod and a movable loading piston rod; a movable loading cylinder tube installing cavity and a static loading rodless cavity are arranged in the static loading cylinder tube; the movable loading cylinder tube is arranged in a movable cylinder tube installing cavity; the static loading piston rod is arranged in the static loading rodless cavity; one end of the movable loading piston rod is provided with a movable loading piston; the movable loading piston is arranged in the movable loading cylinder tube; the other end of the movable loading piston rod penetrates through a press cover of the movable loading cylinder tube and the static loading piston rod, and is then connected with a replaceable punching head; one end, extending out of the static loading cylinder tube, of the static loading piston rod is provided with a fixing flange and a loading block. The static loading and the movable loading can be realized; the static loading and the movable loading can be also performed at the same time.

The invention relates to a lens centering device and automatic centering equipment. The lens centering device comprises a supporting table (1), a lens supporting platform (2) connected with the supporting table (1), a light source assembly (3), a detection camera (5), an adjusting assembly (6) and an exposure assembly (4), wherein the light source assembly (3) and the detection camera (5) are located on two opposite sides of the lens supporting platform (2) and are coaxially arranged, and the adjusting assembly (6) is located on one side of the lens supporting platform (2); the lens supportingplatform (2) is provided with a rotary assembly (21) used for driving the lens supporting platform (2) to rotate. The automatic centering equipment can realize automatic feeding and discharging and automatic centering detection, eccentric detection can be carried out while the working efficiency is improved, and the centering precision can be guaranteed.

The invention relates to the technical field of rotary support testing, in particular to a rotary support test table aligning device and a rotary support test table. The rotary support test table aligning device comprises a main installation platform, a main power assembly and a main driving gear, wherein the main installation platform can linearly and horizontally move back and forth and is fixed, the main power assembly is installed on the main installation platform and used for outputting rotational motion, and the main driving gear is connected with the main power assembly, can linearly and horizontally move back and forth along with the main installation platform and is used for driving a rotary support to rotate. The rotary support test table comprises a rotary support clamping device, a loading device and the rotary support test table aligning device. The aligning function can be achieved when rotary supports in various sizes are tested on one test table, universality can be achieved without changing debugging tools according to different rotary supports, people only need to exchange power assemblies with different powers, and operation is easy and quick.

The invention relates to the field of engineering equipment, in particular to a tube tool centering device. The tube tool centering device comprises a base, a swinging hydraulic cylinder, a swinging arm, a guide arm, a guide hydraulic cylinder, a rotary motor and a centering mechanism, the swinging arm is hinged to the base, one end of the swinging hydraulic cylinder is hinged to the base, the other end of the swinging hydraulic cylinder is hinged to the swinging arm, the guide arm is hinged to the swinging arm, one end of the guide hydraulic cylinder is hinged to the swinging arm, the other end of the guide hydraulic cylinder is hinged to the guide arm, one end of the rotary motor is hinged to the guide arm, and the other end of the rotary motor is hinged to the centering mechanism. The rotary motor can drive the centering mechanism to rotate to adjust the centering angle, and the centering mechanism is ensured to be in good contact with tube tools to adapt the tube tools with different diameters; and the guide hydraulic cylinder extends and shrinks to realize the conversion of the working attitude and the waiting attitude, the swinging hydraulic cylinder shrinks to adjust the position, so that the tube tools are centered to another position from one position, as position adjustment is realized through hinged rotation, the size is small, the operation is stable, the precisionis high, the efficiency is high, and the purposes of reducing the cost and improving the efficiency are achieved.

The invention provides a bearing and a reducer, and relates to the technical field of transmission devices. The bearing includes a bush and a bearing body, the bearing body includes an inner ring, anouter ring and a rolling body, the outer ring is arranged on the outer side of the inner ring in a sleeving manner, the rolling body is rotatably installed between the inner ring and the outer ring, and the rolling body is used for bearing the radial load; the bush is arranged on the outer ring in a sleeving manner, the outer surface of the outer ring is spherically matched with the inner surfaceof the bush to enable the axis of the bearing body to swing relative to the axis of the bush, and the outer ring and the bush are used for bearing the axial load. Since the rolling body of the bearingbears the radial load, and the outer ring and bush bear the axial load, so that the axial load and radial load are capable of being separated on different parts, the axial load and the radial load are prevented from being concentrated on the same part, the bearing life is prolonged, and the bearing failure rate is reduced.

The invention discloses a full-automatic hydraulic deviation correcting device for a belt conveyor. The full-automatic hydraulic deviation correcting device comprises detecting carrier rollers, an adjusting bracket, an aligning carrier roller, a bearing support, a supporting frame, a cross joist, an aligning bracket, a composite oil cylinder, a deviation adjusting oil cylinder and a side deviation oil cylinder. The detecting carrier rollers are arranged at the two ends of the adjusting support. The aligning carrier roller is arranged in the center of the adjusting bracket. The lower end of the adjusting bracket is fixedly connected with the aligning support through a center base. The aligning bracket is fixedly connected with the middle of the cross joist. The other end of the side deviation oil cylinder is hinged to one end of the deviation adjusting oil cylinder. The other end of the deviation adjusting oil cylinder is hinged to the adjusting bracket. An oil suction port and an oil outlet of the deviation adjusting oil cylinder are connected with an oil port in the tail of the composite oil cylinder through oil conveying pipelines. The end of a piston rod of the composite oil cylinder is hinged to the aligning carrier roller. The detecting carrier rollers are hinged to a cylinder body of the side deviation oil cylinder. The full-automatic hydraulic deviation correcting device has the advantages that installation and maintenance are convenient, fewer faults exist, and the deviation correcting and adjusting performance is stable.

The invention relates to a device for assembling a spiral check ring for a hole. The device comprises a pressure head and a guide cone. The pressure head is in a T shape, and the lower portion of the pressure head is conical; and the guide cone is annular, and the inside of the guide cone is in a cone shape matched with the cone shape of the pressure head. A guide pin extending downwards is arranged on the pressure head, and the guide pin can penetrate a hole in the guide cone and enables the pressure head to perpendicularly move. A step is arranged at the lower portion of the guide cone, and the step is in clearance fit with a shaft inner hole of the to-be-installed spiral check ring and extends to the installing position of the spiral check ring. The device has the beneficial effects of being simple in structure, convenient to use and the like, and the assembling efficiency can be greatly improved.

The invention relates to an aligning self-unlocking anti-breaking anchor cable lock for a mine. The problems that existing locks cannot be self-unlocked, are not prevented from breaking of anchor cables, cannot be self-aligned, and waste time and energy to remove anchor by using anchor removal devices are solved. The aligning self-unlocking anti-breaking anchor cable lock includes a sleeve and a lock cylinder, a stepped base is arranged on the lower side of the sleeve, an anchor cable hole is formed in the center of the stepped base, an aligning cambered surface is arranged at the outer edge of the lower end surface of the stepped base, the upper part of the stepped base is matched with a sleeve in a threaded mode, and the inner wall of the sleeve is of a conical surface structure; and a lock cylinder groove sleeves the outer side of the lock cylinder, an anti-falling ring pad is arranged between the bottom end of the sleeve and the step surface of the stepped base, lifting lugs integrated with the anti-falling ring pad are arranged on the opposite sides of the anti-falling ring pad. According to the aligning self-unlocking anti-breaking anchor cable lock for the mine, the unlocking and anchor removal functions are achieved through a wrench, an anchor removal device of an anchor cable is eliminated, the aligning function is achieved, and meanwhile, the anchor cable end is prevented from breaking and flying to hurt people, so that the efficiency of anchor removal of the anchor cable is greatly improved and the success rate of anchor removal is greatly increased.

The invention provides an auxiliary positioning mechanism of a taping machine. The auxiliary positioning mechanism comprises a track and at least two groups of adjusting wheels arranged outside a packaging channel of the taping machine, wherein the track is horizontally arranged and is fixed at the side of the packaging channel; the adjusting wheels are arranged on the track in a sliding manner and can be fixed on the track; and shafts of the adjusting wheels are arranged along the vertical direction. When the auxiliary positioning mechanism is used, one side of an annular coil can pass through the packaging channel and then is limited by two paper wheels and the other side of the annular coil is clamped by two groups of adjusting wheels; and the positions of the two groups of adjusting wheels are adjusted to adapt to the annular coils with different diameters and then the adjusting wheels are fixed, so that taping of the annular coil can be carried out.

The invention discloses a comb tooth carrier. The comb tooth carrier comprises at least one comb tooth part and a first frame body, wherein the comb tooth parts are arranged on the first frame body, each comb tooth part comprises a telescopic comb tooth frame and a centering device, each telescopic comb tooth frame comprises two parts which are separated from each other and are symmetrically arranged on the two sides of the center line of each centering device, the two parts of each telescopic comb tooth frame are arranged on the first frame body in a sliding mode, the centering devices are fixedly arranged on the first frame body, each centering device comprises at least one pair of driving gears and driven gears which have the same shape and size and are meshed with each other, meanwhile, the driving gears and the driven gears are meshed with first racks and the second racks respectively, the two parts of each telescopic comb tooth frame are fixedly connected with the first racks andthe second racks, the driving gears and the driven gears drive the first racks and the second racks to synchronously move towards each other or away from each other relative to the center lines respectively when rotating, and the two parts of each telescopic comb tooth frame are close to each other or away from each other accordingly. According to the comb tooth carrier, the centering effect of equipment is improved.

The embodiment of the invention provides an aligning roller bearing and a bearing assembling. The aligning roller bearing comprises an outer ring, a first aligning ring and a second aligning ring; theouter ring surface of the outer ring comprises a first wing surface, a main surface and a second wing surface; the surface where the first wing surface is positioned and the surface where the secondwing surface is positioned are the same spherical surface; the main surface is suitable for being in contact with the inner ring surface of a bearing seat; the first aligning ring is arranged outsidethe outer ring in a sleeving manner; the inner ring surface of the first aligning ring is fit with the first wing surface; the second aligning ring is arranged outside the outer ring in the sleeving manner; and the inner ring surface of the second aligning ring is fit with the second wing surface. According to the aligning roller bearing provided by the embodiment of the invention, an aligning function can be realized, and moreover, the radial thickness of the aligning rings and the outer ring can be reduced, so that the sizes of rollers of the aligning roller bearing are increased within limited space, thereby improving the radial bearing capacity of the aligning roller bearing.

The invention belongs to the technical field of electric power operation climbing robots, and particularly relates to a rail type power angle steel tower maintenance robot. The robot comprises a main machine and a mechanical arm; the main machine comprises two sets of walking parts, and the two sets of walking parts are arranged on two adjacent angle steel main materials in a matched mode correspondingly; horizontal sliding tables are arranged on the two sets of walking parts; the mechanical arm is installed on the position, between the two sets of walking parts, of the front face of a base; and horizontal guide rods extend out of the positions, towards the horizontal sliding tables on the two sides, of the base, and sliding guide fit with the horizontal direction as the guide direction is formed between the horizontal guide rods and the horizontal sliding tables. The maintenance robot further comprises a centering assembly used for centering the position of the base. While the structure is light and reliable, the action stability and the action reliability of climbing operation can be synchronously ensured, so that the manpower inspection cost can be greatly saved, the maintenance efficiency is improved, and safe and reliable operation of a power transmission system is ensured.