58results about How to "Sufficient gripping force" patented technology

The invention discloses a loading device used for a lateral-torsional vibration fatigue experiment and a method thereof. A sliding groove is formed in a base, brackets are installed at the two ends ofthe base, and a vibration exciter is connected to the sliding groove; the base body is connected with the brackets through bolts, rotary shafts are arranged on the two sides of a sliding sleeve, a clamping roller is installed above the sliding sleeve, and the rotary shafts are connected with a sliding seat and a shaft hole of a side plate; a guiding rod is sleeved with the sliding sleeve, and oneend of the guiding rod is connected with a loading arm; a clamping seat and a clamping head of the loading arm are opposite to each other, a V-shaped groove is formed in the clamping seat, and a second coupler is installed below the clamping seat. The loading device has adjustability and enough clamping force to ensure the stability of a platform, can provide pure torsion loading, torsion and transverse bending coupling loading, torsion and longitudinal bending coupling loading, torsion and oblique bending coupling loading and pure bending loading, has the advantages of high accuracy, high efficiency, low cost and multiple functions, and has important practical value regarding the completion of the vibration fatigue performance experiment for experimental piece materials with rectangularcross sections and circular cross sections.

The invention provides an adjustable valve clamping system. The adjustable valve clamping system comprises a pushing device and a valve clamping device, wherein the valve clamping device comprises a clamping device body and a clamping device adjusting mechanism. The clamping device body comprises a fixing base, a near-end clamping piece and a far-end clamping piece, wherein the fixing base is used for being connected with the pushing device so that the clamping device body can be pushed through the pushing device, and the near-end clamping piece and the far-end clamping piece are matched to clamp the valve tissue; and the clamping device adjusting mechanism is located between the pushing device and the fixing base and comprises an adjusting piece which can slide in the axial direction till the fixing base is sleeved with the adjusting piece, and when the clamping device body is folded, the adjusting piece abuts against the near-end clamping piece so as to adjust the traction degree of the clamping device body to the valve tissue. According to the adjustable valve clamping system, it can be guaranteed that the clamping device body has enough clamping force so that slipping can be avoided, and the degree of traction on the valve tissue by the clamping device body can be adjusted through the clamping device adjusting mechanism.

An auxiliary broken line connecting device applicable to overhead lines relates to the field of connection of broken overhead lines, and is used to realize fast and efficient overhead line connection. The technical scheme is as follows: the auxiliary broken line connecting device applicable to overhead lines comprises a base plate, a rack, a lifting rod, a left bracket, a right bracket, a slide bar, at least two grippers, a left connector and a right connector, wherein the base plate is arranged along the left-right direction, the rack is arranged on the upper surface of the base plate, the lifting rod is connected to the bottom of the base plate, the left bracket is connected to the left end of the base plate, the right bracket is connected to the right end of the base plate, the left end of the slide bar is connected to the left bracket, and the right end of the slide bar is connected to the right bracket. The beneficial effect is that a broken overhead line can be connected safely and efficiently using the device.

The invention discloses an inner wall self-locking overall pipe high-temperature tension test clamp. The clamp comprises a connector with one end connected with a tester pull rod, and a sliding locking part for locking the inner wall of a pipe body of an overall pipe; the sliding locking part expands outwards through inner bevels at the upper ends of sliding blocks to be clamped into a conical surface at the lower end of a cone linkage sliding core for connection, the connector enters a hollow hole of a locking nut through a threaded rod to be connected with the cone linkage sliding core, the locking nut is rotated downwards, the cone linkage sliding core pushes the three sliding blocks downwards to be kneaded inwards in the radial direction till a snap ring at the lower open end of the locking nut is clamped into a sliding block circular groove, elastic locking rings slightly protrude downwards to drive the sliding blocks to shrink inwards, the inner conical bevels of the sliding blocks are promoted to be attached to the conical surface of the cone linkage sliding core, the sliding blocks are driven to move downwards, outward pre-tightening force is provided, and the inner wall of the pipe is clamped. The clamp has the advantages that installation is convenient and rapid, the size is small, universality is good, no chock plug is needed, clamping is firm, and the situation that a sample is broken at the clamping end is avoided.

One embodiment of the invention provides a rotary cutter for a brush cutter, including: a head main body (1) having a cord guide hole (2-1); and a pressure member (2) having a cord inserting guide hole (2-1) formed to radially penetrate through the pressure member (2). The pressure member (2) is operable between: a first state in which the cord inserting guide hole (2-2) of the pressure member (2) is aligned with the cord guide hole (2-2) of the head main (1) body so that a cutting cord (3) is insertable into the head main body (1); and a second state in which the pressure member (2) is pushed inwardly of the head main body (1) from the first state; a third state in which the pressure member (2) is rotated with respect to the head main body (1) from the second state so that the inserted cutting cord (3) is made into a bent state.

The invention discloses an auxiliary automobile frame welding tool which comprises a bottom board (1), a plurality of sets of edge-pressing mechanisms on the top of the bottom board, and a plurality of supporting pieces (6). The multiple sets of edge-pressing mechanisms are scattered around the supporting pieces (6). Each edge-pressing mechanism comprises a driving unit (2), a driving rod (3) and a pressing rod (4) which are arranged on the top of the bottom board, wherein one end of the driving rod (3) is connected with the driving unit (2), the other end of the driving rod (3) is hinged to the pressing rod (4), and the driving rod (3) and the pressing rod (4) are fixed through a fixing piece. When an auxiliary automobile frame (15) is arranged on the tops of the supporting pieces (6), the driving units (2) can drive the driving rods (3) to move so that the lower front portion of each driving rod (3) can abut against the edge of the top of the auxiliary automobile frame (15) in a pressing mode. The auxiliary automobile frame welding tool can fix the auxiliary automobile frame stably and conveniently.

The invention aims to provide a flying stop device for a carbon dioxide extraction device, and relates to a safety device in a mine, in particular to an expandable safety device for carbon dioxide extraction. The flying stop device for the carbon dioxide extraction device is simple in structure, reusable, simple and convenient to use and fine in flying stop effect. The flying stop device comprises an expansion pull rod (1) and an expansion sleeve (3), the expansion pull rod comprises a pull rod portion (11) and a frustum portion (12) which are mutually connected from front to back, a small end of the frustum portion faces the pull rod portion, the front end of the pull rod portion is connected with a nut (2) in a threaded manner, the expansion sleeve (3) is sleeved outside the expansion pull rod and comprises a sleeve (31) and an expansion head (32) which are mutually connected from front to back, the length of the sleeve is not smaller than 300mm, the diameter of the expansion head is not smaller than 45mm, the rear end of the expansion head is sleeved outside the frustum portion, at least two expansion pieces (321) are arranged at the rear end of the expansion head, and an arc groove (3211) is annularly formed in each expansion piece.

The invention discloses an easy-to-maintain talcum powder laying device prior to cable coiling. The talcum powder laying device comprises a coiling frame, a fulcrum shaft rod, a rotating rod, a bracket and a sleeve clamping mechanism, and has the beneficial effects that the sleeve clamping mechanism different from a conventional structure can lay the talcum powder on the cable. A mode of inorganically filling a sheath tube of a high-voltage power cable with talcum powders breaks a traditional mode of an organic polymer plastic auxiliary reinforcing material. The cable can be threaded into thesleeve by coiling. By special airbag-shaped upper and low clamping blocks in a laying frame in the sleeve clamping mechanism, sufficient clamping force can be maintained in the process of laying talcum powder in the sleeve clamping mechanism, the sleeve can be prevented from rupturing due to excessively hard member during operation, and the equipment can be easily maintained.

The invention relates to auxiliary equipment for prompting falling of materials in a stock bin, in particular to a stock bin arch-breaking device for eliminating arching of materials in the stock bin, and belongs to the field of material conveying. In modern industrial production, a large quantity of stock bins are needed for storing materials. Due to various reasons, the materials are arched in the stock bins and cannot be discharged out of the stock bins normally, and normal implementation of the functions of the stock bins is severely influenced. The stock bin arch-breaking device comprises a stock bin, an arch-breaking rod, a clamping wheel train and a support, wherein the clamping wheel train at least comprises two opposite clamping wheels; the outer edges of the clamping wheels are of groove structures; the arch-breaking rod is a hollow pipe, is clamped between grooves of the clamping wheels, and is inserted into the stock bin. The arch-breaking rod is clamped by the clamping wheels, and the clamping wheels rotate to drive the arch-breaking rod to enter the stock bin through a through hole formed in the bin wall of the stock bin for performing arch breaking; the stock bin arch-breaking device has the advantages of simple and practical structure, elimination of limitations on the arch-breaking distance, adoption of a plurality of combined arch breaking ways for arch breaking, and the like.

The invention relates to an electric-driven type mechanical hand claw. The electric-driven type mechanical hand claw comprises a motor, an installing plate and an actuating mechanism, wherein the installing plate is arranged at the lower end of the motor; the actuating mechanism is connected with a motor shaft; the installing plate is N-shaped; the middle part of the upper end of the installing plate is fixedly connected with the motor; the actuating mechanism is arranged in a cavity in the lower end of the installing plate; the actuating mechanism is formed by a rotating plate which is connected with the motor shaft, a pair of parallel guiding columns which are arranged at the lower end of the rotating plate, a pair of sliding blocks which are matched with the parallel guiding columns in an inserting way and a pair of V-shaped claws; the rotating plate is circular; the middle part of the rotating plate is fixedly arranged on the motor shaft; a pair of S-shaped through grooves of which the circle centers are symmetrical are formed in the rotating plate; two through holes which are used for enabling the parallel guiding columns to be inserted to be matching are oppositely formed in the pair of sliding blocks; the middle parts of the upper ends of the sliding blocks are provided with a pair of parallel vertical columns which are inserted into the S-shaped through grooves in a matching way; the lower ends of the sliding blocks are fixedly connected with the pair of V-shaped claws which are oppositely arranged. The electric-driven type mechanical hand claw disclosed by the invention has the advantages that the electric-driven type mechanical hand claw is driven by adopting the motor and slides in the through grooves in the rotating plate through the parallel vertical columns at the upper ends of the sliding blocks, so that opening and closing of the V-shaped claws are realized, and the structure setting is simple and reasonable.

A clamping device for a wrapping die contains symmetrically arranged overpressure resistant air bags filled with magnetic powders and two magnetic field generation devices for providing the magnetic powders with magnetic fields. Under the action of the magnetic fields, two mutually close ends of the two magnetic powders generate opposite magnetic poles. According to the invention, the magnetic powders are filled into the air bags, and magnetic force of the magnetic powders is utilized to clamp glass. Due to the characteristics of the air bags filled with the magnetic powders, the clamping device can be suitable for effective positioning of glass of different shapes and geometrical dimensions and provides enough clamping force so as to guarantee reliable positioning and clamping of glass. Therefore, the quality of produced finished products can be greatly improved, and the production cost can be saved.

The invention provides an annular drill pipe power tong. The annular drill pipe power tong comprises a base and a clamping mechanism; the base comprises a central through hole; the clamping mechanism comprises a driving assembly, a gland assembly that can be driven by the driving assembly to move in an axial direction of the central through hole, a plurality of power tong slips distributed in a circumferential direction of the central through hole, and a connecting rod, wherein one end of the connecting rod is hinged to the gland assembly, while the other end of the connecting rod is hinged to the power tong slips; when the driving assembly drives the gland assembly to move in the axial direction of the central through hole, the gland assembly is capable of driving the power tong slips to close in or expand in a radial direction of the central through hole through the connecting rod. The annular drill pipe power tong is capable of clamping a drill pipe in a continuously circular drilling process, and providing enough clamping force to the drill pipe to ensure no relative sliding between the annular drill pipe power tong, the drill pipe and the clamping mechanism after the drill pipe is clamped and to guarantee that an indentation of the drill pipe is as small as possible.

The invention provides a multifunctional milling fixture and a milling machine using the functional milling fixture. The milling fixture consists of a fixing part, a clamping part connected with one end of the fixing part and a screw rod screwed on the clamping part, wherein the fixing part is cylindrical and is provided with a connecting surface formed by a circumferential surface; the clamping part is shaped as a long strip and is provided with a jointing surface and an open surface which are located at the two ends of a longitudinal length direction, and a clamping surface and a locking surface which are located between the jointing surface and the open surface and are adjoined, wherein the jointing surface is fit and connected with the connecting surface, the clamping surface is depressed along the length direction of the clamping part to form a clamping groove, the upper part of the clamping groove is wide and the lower part of the clamping groove is narrow; the part, penetrating through the locking surface, of the screw rod stretches into the clamping groove. The multifunctional milling fixture and the milling machine using the multifunctional milling fixture have the beneficial effects that the machining efficiency is high, the structure is simple, the use is facilitated, the clamping reliability and stability are high, front and back surface machining can be conducted after only one step of clamping and radian needed by a workpiece can be machined. The milling fixture can satisfy the demand of 360-degree rotary machining of T-shaped, L-shaped, trapezoidal and flat parts.

The invention relates to side gate intelligent flexible automatic separation equipment for molded cluster plastic parts. Two synchronous belt transmission devices on two symmetrically arranged separation support plates on a support form a driving lead-in mechanism for the plastic parts. A V-shaped lead-in opening can lead an injection molding device into an inlet of a material passing channel, andthen a main runner waste rod of the injection molding device is clamped by clamping sections of two synchronous belts in the middle of the driving lead-in mechanism. Along with rotation of the synchronous belts, the injection molding device is horizontally pushed along the material passing channel to be in contact with a roller brush. The rotating roller brush brushes an injection molded productfrom the injection molding device, and the injection molded product falls into a lower discharging hole to be recycled, so that the automatic separation and recycling of the product are realized. Synchronous belt tensioning devices arranged on the clamping sections of the two synchronous belts can provide enough clamping force for the two clamping sections. The side gate intelligent flexible automatic separation equipment for molded cluster plastic parts realizes automatic separation of injection molding devices, the separation effect is good, the efficiency is high, the roller brush cannot scratch the products, the product quality is guaranteed, and the side gate intelligent flexible automatic separation equipment for molded cluster plastic parts is suitable for comprehensive popularization.

The invention discloses a stable clamping device for a trolley dedicated to an oxygen cylinder, comprising a base and a clamping seat, a support is fixedly installed on the upper surface of the base, a sliding groove is arranged inside the support, and the clamping seat The sliding seat at its end is engaged in the sliding groove, the clamping seat is installed on the side of the bracket, the clamping seat includes a fixed clamping arm and a movable clamping arm, and the fixed clamping arm is fixedly installed On the side of the clamping seat, the fixed clamping arm and the movable clamping arm are connected by bolts, and nuts are sleeved on the outside of the bolts, and the ends of the fixed clamping arm and the movable clamping arm are half Circular splint, fastening bolts are provided through the inside of the sliding seat, arc-shaped grooves are provided on the upper surface of the base, and mounting arms are fixedly installed on the same side of the base and the bracket, which can be carried out from multiple directions. Clamping, and the clamping state can be adjusted according to the actual situation, which can prevent clamping damage to the oxygen cylinder, and secondly, it has better transplantability.

The invention discloses a claw for movably clawing a temperature measurement probe in the metallurgical industry, which is related to the technical field of a metallurgical robot, and is used for solving a problem of high danger coefficient and poor mounting efficiency in existing manual assembling of the temperature measurement probe and instability in implementation of assembling a temperature measurement gun and the temperature measurement probe in an automatic temperature measurement work. The claw comprises an air cylinder driving mechanism, a fixed bracket and a mechanical gripper execution mechanism, wherein the air cylinder driving mechanism is arranged on an upper end face of the top end of the fixed bracket, a piston rod of the air cylinder driving mechanism is fixedly connectedwith a middle connection sliding block, a lower end face of the top end of the fixed bracket is symmetrically, vertically and fixedly connected with two sliding guide rails, left and right ends of themiddle connection sliding block are respectively mounted on the sliding block guide rails in a sleeving form and perform straight reciprocating motion along a height direction of the sliding block guide rails, a middle part of the middle connection sliding block is vertically and fixedly connected with a rotational connection rod, and the mechanical gripper execution mechanism is arranged at a lower end of the fixed bracket. The claw provided by the invention is used for clawing the metallurgical temperature measurement probe.

The invention relates to a gear shaping hydraulic power fixture for a single arm planet carrier of a decelerator. The gear shaping hydraulic power fixture comprises a coupling, a positioning base, a swelling sleeve, a supporting seat, a chip removing groove and a connecting plate, wherein the positioning seat comprises a first positioning seat, a second positioning seat and a third positioning seat; the second positioning seat is in the shape of a circular ring with an opening; the second positioning seat is arranged between the first positioning seat and the second positioning seat; the opening forms a chip removing groove; the first positioning seat is provided with a tapered inner surface; the swelling sleeve is arranged on the inner surface; the coupling is connected with a machine tool mandrel and the connecting plate; and the swelling sleeve is indirectly driven to move downwards through a third supporting seat and a second supporting seat. The clamping and positioning of the single arm planet carrier can be realized through the swelling sleeve.

Notebook computer shell polishing tool equipment based on an industrial robot comprises three parts including a flexile polishing head, a pneumatic clamp and a control unit. The flexible polishing head comprises a connecting flange, two connecting plates, two clamping blocks, compression springs and a pneumatic grinding machine. The connecting flange is connected with a tail end flange plate of the industrial robot. The connecting plates are connected with the connecting flange, and meanwhile the clamping blocks and the connecting plates are connected through half-thread outer hexagon bolts penetrating the compression springs. The pneumatic grinding machine is locked between the two clamping blocks. The pneumatic clamp comprises a bottom plate, air cylinders, long supporting plates and short supporting plates. The long supporting plates are symmetrically arranged in straight notches of the bottom plate, and the short supporting plates are symmetrically arranged in straight notches of the bottom plate. The air cylinders are arranged on the outer sides of the long supporting plates and the outer sides of the short supporting plates. The control unit comprises a robot control cabinet, a three-position five-way electromagnetic valve, an air source, a filtering pressure reduction valve and a two-position two-way electromagnetic valve. According to the polishing position, a notebook computer shell is automatically loosened and clamped, the polishing efficiency is high, the polished surface quality is good, and the notebook computer shell polishing tool equipment is applicable to different types of notebook computer shells.

The invention discloses an easily detachable water turbine maintenance platform, which comprises a platform surface and carrying beams arranged below the platform surface and used for carrying the platform surface, and is characterized in that brackets are mounted on both sides of a mandoor of a draft tube of the water turbine, and an upper cross beam and a lower cross beam are mounted between the brackets on both sides; the horizontal distance between the lower cross beam and the mandoor is smaller than that between the upper cross beam and the mandoor; rollers are arranged on opposite side surfaces of the upper cross beam and the lower cross beam respectively; a height adjusting device is mounted between the upper cross beam and the brackets; the carrying beams comprises a main beam andan auxiliary beam; the main beam of the maintenance platform is mounted between the rollers of the upper cross beam and the rollers of the lower cross beam; the auxiliary beam of the maintenance platform is mounted between the main beam and the tube wall of the draft tube; and the wall tube of the draft tube is provided with a matching part matched with the end part of the main beam to carry the main beam. The maintenance platform provided by the invention has the advantages of compact structure, convenience and stableness in use, easiness for mounting and dismounting, and the like.

The invention provides a high-quality tobacco baking fixture. The fixture includes a transverse rod, and multiple clamps for clamping tobacco stalks are fixedly arranged in the length direction of thetransverse rod. Each clamp is provided with an annular part, each annular part is provided with an opening, the end head of each opening is provided with two extending parts, each extending part is provided with a bending part facing the same side, and the end head of each extending part is provided with an opening part. By improving a needle insertion mode in the prior art for packing tobaccos into a clamping mode for packing the tobaccos, and adopting the clamps of special-made structures, sufficient and appropriate clamping force can always be maintained in the process when the tobacco stalks are dried to be shrunk from the maximum width of 3 cm to the maximum width of 3 mm, and therefore the tobaccos cannot fall off during baking, and meanwhile the surfaces of the tobacco stalks cannot be damaged; by adopting the clamping mode for packing the tobaccos and using the clamp structures, the tobaccos are smoothed easily, even spacing among the tobaccos can be ensured, and therefore thetobaccos can meet the baking requirements almost within the same time, so that the superior product rate of the high-quality tobaccos is increased.

The invention discloses a pen-type solder stick electric extruding feeder. The pen-type solder stick electric extruding feeder is characterized in that a solder stick reel is mounted on a rotating shaft, a right upper straightening wheel and a left upper straightening wheel are mounted on a straightening device housing through bearings, a lower straightening wheel is mounted on the straightening device housing through a bearing, the bottom surface of an upper wire feeding roller is propped against the top surface of a solder stick, the top surface of a lower wire feeding roller is propped against the bottom surface of the solder stick, a connecting sleeve is connected to and mounted on a penholder through threads, a cam is mounted on the output shaft of a driving motor and propped against a pushing plate, the pushing plate is fixedly mounted on a press bar, the press bar is mounted in the central hole of the connecting sleeve, a spring sleeves an inner tube, the right end of the spring is propped against an annular lug boss on the left side of the interior of the penholder, the left end of the spring is propped against the right end surface of the press bar, the inner tube is mounted in the penholder, a pen point is connected to and mounted on the penholder through threads, and clamping petals are mounted at the right end of the inner tube. The pen-type solder stick electric extruding feeder is simple to manufacture and convenient to use, and the use convenience and the health security of welding personnel are improved.

One embodiment of the present invention provides a rotary cutter for a lawnmower, including: a head body having a cord guide hole; and a pressure member having a cord insertion guide hole, the The cord insertion guide hole is formed to radially penetrate the pressure member. The pressure member is operable between: a first state in which the cord insertion guide hole of the pressure member is aligned with the cord guide hole of the head body so that the cutting cord can be inserted into the head body; and a second state in which the pressure member is pushed into the head body from the first state; a third state in which the pressure member rotates relative to the head body from the second state, Leave the inserted cutting rope in a bent state.

The invention discloses a mobile phone support for a smart bicycle. The mobile phone support comprises a mounting frame, wherein the two ends of the bottom of the mounting frame are connected with fixing rings through hinges, the bottom of each fixing ring is provided with a mounting plate, each mounting plate is provided a connecting hole, and a first screw is slidably connected in the connectinghole and is in threaded connection to a first nut; an adsorption plate which includes a plurality of adsorption holes, wherein the plurality of adsorption holes are located at the edge of the adsorption plate, the edge of the adsorption plate protrudes from the surface of the adsorption plate; the fixing rings configured to fasten and fix a butting connector on a coaxial connector to, wherein each fixing ring integrally extends in a tapered shape and has an insertion end and the fastening end formed at the two ends respectively, the inner diameter of the fastening end is smaller than the inner diameter of the insertion end, a plurality of outwardly bent buckles are punched at the fastening end, and each buckle extends in an arc shape along the fastening end and has a fastening portions and an engaging portion connecting the fastening portion and the fastening end.