23results about How to "Increase reaction force" patented technology

The utility model discloses a connector plug which is better in clamping force and has locking and unlocking functions. According to the technical scheme, the plug comprises a plug shell and a female terminal arranged in the plug shell, the plug shell is provided with a set of insertion cavities used for containing the female terminal, the front end of the female terminal is provided with an insertion port, the rear end of the female terminal is provided with a wire pressing pin, and a clamping mechanism is integrally formed at the front end of the insertion port of the female terminal. The clamping mechanism comprises an arc-shaped part extending out of the connecting and inserting opening and a first elastic clamping piece which extends into the connecting and inserting opening and is obliquely arranged, and the front end of the first elastic clamping piece is bent to form a second elastic clamping piece which is obliquely arranged; the bottom of the second elastic clamping piece is bent to form a supporting leg close to or attached to the bottom face of the plugging port, the top face of the plugging port is provided with barbs corresponding to the upper portion of the first elastic clamping piece, and the front end of the plug shell is provided with a jack matched with the plugging port. And a positioning groove matched with the arc-shaped part is formed in the plug shell.

The utility model discloses a portable building construction dust collector, include: damping pool, backflow baffle, swivel joint, rotating pipe, atomizing spray head, power pipe, backwater pipe, water pipe, water tank, the central hole and the water leakage hole of damping pool's center are provided with, backflow baffle connects in the middle part of damping pool, swivel joint is connected on the central hole, and the top of rotating joint is connected in rotating pipe lower part, and atomizing spray head is connected in the front of rotating pipe, the top of power pipe is connected on the lateral wall of rotating pipe, and the lower part is located between damping pool, backflow baffle, water tank is located at the bottom of damping pool, and backwater pipe top is connected in the bottom of water leakage hole, and the top of water pipe is connected the bottom of swivel joint, and the inside of water tank is provided with water pump, and the bottom of water pipe is inserted into the water tank and is connected the water outlet of water pump, and the support is connected between damping pool, water tank. The utility model discloses can realize the rotation spray under the condition of not needing the external rotation power, and effectively expands the coverage of spray dust removal.

The utility model discloses board cutting equipment for manufacturing an integrated circuit board, and relates to the technical field of circuit board manufacturing. Two T-shaped grooves are formed in the upper side of the workbench, a mounting frame is arranged on the inner walls of the two T-shaped grooves in a sliding fit mode, a cross-shaped groove is formed in one side of the mounting frame, a cross-shaped sliding block is arranged on the inner wall of the cross-shaped groove in a sliding fit mode, a mounting groove is formed in the inner wall of the cross-shaped sliding block, and a threaded rod is arranged on the upper side of the inner wall of the mounting groove in a rotating fit mode. Through the arrangement of the rotating wheel, when a circuit board is cut and processed and a knob is rotated to adjust the position of a cutting knife, the rotating wheel is firstly in contact with the placing plate, and then under the action of a reset spring in a storage groove, a counter-acting force is generated on the lifting plate, so that the acting force required by rotating the knob is increased and is fed back to an operator; an operator can finely adjust the position of the cutting knife, the situation that the cutting knife collides with the knife when the knife is adjusted is avoided, and the service life of equipment is prolonged.

This invention discloses an anti-shock hydraulic closed-loop pump control system and hydraulic machinery. The anti-shock hydraulic closed-loop pump control system includes a closed-loop pump assembly and a power component, as well as two anti-shock valve assemblies arranged in parallel with the power component. The inlet of one anti-shock valve assembly is connected to the first end of the power component, and the inlet of the other anti-shock valve assembly is connected to the second end of the power component. Each anti-shock valve assembly includes an externally controlled buffer valve, a buffer damper, and an accumulator. The externally controlled buffer valve has a feedback end and a control end on opposite sides of its valve core. The control end has a spring for driving the valve core to move and close towards the feedback end. The inlet of the externally controlled buffer valve has a feedback oil circuit connected to the feedback end and a control oil circuit connected to the control end. The buffer damper and the accumulator are sequentially arranged on the control oil circuit. The anti-shock hydraulic closed-loop pump control system provided by this invention can reduce pressure shocks on the high-pressure side of the oil circuit and prevent rapid pressure drops on the low-pressure side of the oil circuit.

This utility model provides a loudspeaker, belonging to the field of acoustics, including a frame with a front cover. The frame includes a frame body, a front cover positioning protrusion on the frame body, and a front cover fixing groove on the frame body. The front cover fixing groove is located on one side of the front cover positioning protrusion, and a fixing claw extending from the front cover to match the front cover fixing groove. This invention increases the mating features between the frame and the front cover, increases the bonding area between the frame and the front cover, and increases the reaction force between the front cover and the frame, ensuring contact between the front cover, adhesive, and frame. The adhesive fully contacts the frame and the front cover, increasing the adhesion between the frame and the front cover, and ensuring that the front cover will not detach due to insufficient adhesion caused by a narrow front cover thickness.

The utility model provides a kind of compaction device for bridge and culvert platform back, including frame body, compaction plate and vibration generating mechanism, compaction plate is slidably installed on frame body along height direction, and vibration generating mechanism is installed on compaction plate;Vibration generating mechanism includes drive source, driving gear, driven gear, pivot and eccentric wheel, drive source is installed on compaction plate, pivot is rotatably connected on compaction plate, driving gear is coaxially fixedly connected with the output end of drive source, driven gear is coaxially fixedly connected on pivot, driving gear is engaged with driven gear, eccentric wheel is eccentrically fixedly connected on pivot.By drive source driving driving gear rotation, driven gear, pivot and eccentric wheel are driven to rotate, and then compaction plate is driven to vibrate strongly to compact ground, compared with the device using gravity to compact has better compaction effect, and the overall volume of device is smaller, and it is convenient to compact bridge platform back and culvert two ends platform back.

The invention discloses a self-drying high-insulation coating applied to an automobile battery protection plate and a preparation method of the self-drying high-insulation coating, and relates to the field of coatings, the self-drying high-insulation coating comprises the following components: 30-50 parts of hydroxy acrylic resin, 6-10 parts of nitrocellulose, 1-3 parts of polyethylene wax, 2-6 parts of a dispersant, 2-6 parts of a pigment, 1-4 parts of matting powder, 0.1-0.6 part of a leveling agent and 8-10 parts of ethyl acetate. 8-10 parts of butyl acetate; and 1-3 parts of an adhesion promoter. The self-drying type high-insulation coating for the automobile battery protection plate, provided by the invention, has the advantages that the crosslinking density after curing is large, the performance indexes of a coating in the aspects of hardness, wear resistance, acid and alkali resistance, salt mist resistance, gasoline resistance and other organic solvents are very high, particularly, the insulating property of a paint film is very good, and the self-drying type high-insulation coating has very good adhesiveness when being coated on the surface of a high-temperature powder coating.

A housing (1) for power electronics comprises a pot (2) for receiving power electronics and a cover (3) for being placed onto the pot (2) so as to form a closed housing (1). The cover (3) is fixed to the pot (2) by means of a plurality of fixing screws (4). At least one opening element is provided, which is formed by one of the fixing screws (4), which is correspondingly guided through a sleeve (5) having a deformation (14.n), which is arranged between the screw head of the fixing screw (4) and the housing (1) so that a pressing force is exerted by the screw head through the sleeve (5) between the cover (3) and the pot (2). The deformation (14.n) is configured in such a way that the sleeve is compressed under the effect of an explosion force (5) of an over-pressing force in a manner defined by the deformation (14.n) so that a gap (11) of a predetermined width is formed between the cover (3) and the pot (2).

The utility model relates to the technical field of high-strength rope net connecting devices, and discloses a high-strength rope net connecting device which comprises a connecting base, two rope grooves are formed in the front face of the connecting base, ropes are arranged in the two rope grooves, a locking assembly is arranged in the connecting base, and the locking assembly is connected with the connecting base. The locking assembly comprises a twisting block, a spring and an arc-shaped block, the twisting block is connected with a locking block through a screw rod, through the arranged locking assembly, a worker rotates the twisting block to drive the screw rod to rotate, the locking block moves downwards along the clamping groove to tightly press the rope, the rope extrudes the arc-shaped block and compresses the spring after being pressed, and the arc-shaped block is pushed to abut against the rope through the counter-acting force of the spring; the two-way clamping structure is formed, when the rope bears the load, the spring is further compressed to enhance the clamping force, the rope is prevented from slipping, and compared with a traditional one-way pressing structure, the device improves the connection strength and reliability through a two-way clamping and load self-adaption mechanism.

The utility model discloses a cable core stranding machine, relates to the related field of stranding machines, and aims to solve the problems that the tension of a conductive wire among a pay-off drum, a stranding reel and a take-up reel is too large and cannot be adjusted due to the fact that the driving force for stranding the conductive wire comes from the winding traction force of a formed cable core in the prior art. And the problem that the conductive wire is easy to snap to cause partial waste of materials is solved. A rotating interval is formed in the middle of the interior of the upper frame and comprises a pay-off unit, the pay-off unit comprises a middle roller, outer penetrating grooves are formed in the outer surface of the middle roller at equal intervals, pressure adjusting assemblies are arranged on the inner sides of the interiors of the outer penetrating grooves, and the pressure adjusting assemblies comprise fixed vertical rods. A threaded part is formed at the outer end of the outer portion of the fixed vertical rod, an inner threaded ring is connected to the threaded part in an external threaded mode, an upper bowl-shaped piece is slidably connected to the outer portion of the fixed vertical rod along the inner end of the inner threaded ring, and a lower bowl-shaped piece is slidably connected to the outer portion of the fixed vertical rod along the inner end of the upper bowl-shaped piece.

The utility model relates to a quick opening contactor structure, which comprises a reverse spring bracket, the number of the first rotating arms is two, and the first rotating arms are obliquely and symmetrically hinged to the same reverse spring support. The second rotating arm is nested at the other end of the first rotating arm, and the lower end of the second rotating arm is detachably and rotatably arranged on the lower base; the spring is arranged in the second rotating arm and abuts against the first rotating arm and the second rotating arm. The movable support assembly is located at the upper ends of the two reverse spring supports and rapidly moves upwards under the counter-acting force of the reverse spring supports after the external force is lost. According to the utility model, the structure is compact and reasonable, the operation is convenient, through the special structural design of the reverse spring assembly, the counter-acting force of the spring is increased, the opening time of the contactor is shortened, the arcing time of the moving and static contacts is reduced, the electrical ablation of the contacts is reduced, and the service life of the whole machine is prolonged.

The present invention relates to the technical field of injection molding machines, and discloses an injection molding machine clamping mechanism that adaptively enhances supporting force, comprising a guide column, a fixed mold base, a movable mold base and a hydraulic base are arranged on the guide column, a hydraulic cylinder is arranged on the hydraulic base, a connecting base is arranged at the output end of the hydraulic cylinder, a first connecting shaft is arranged on the connecting base, a connecting rod component is arranged between the first connecting shaft, the hydraulic base and the movable mold base, the connecting rod component comprises a connecting rod member, the connecting rod member comprises a first connecting rod, a second connecting rod and a third connecting rod, one end of the first connecting rod is movably connected to the first connecting shaft, and the other end is provided with a second connecting shaft, the second connecting shaft is parallel to the first connecting shaft, one end of the second connecting rod is movably connected to the second connecting shaft, and the other end is hinged to the movable mold base, one end of the third connecting rod is movably connected to the second connecting shaft, and the other end is hinged to the hydraulic base, and a locking mold assembly is arranged between the movable mold base and the fixed mold base.

The utility model provides a novel tooth-shaped shield tunneling machine hob cutter ring which comprises a base body and a friction ring, the friction ring is arranged on the outer circle of the base body in a sleeved mode, the thickness of the friction ring is smaller than that of the base body, and a plurality of grooves are distributed in the peripheral face of the friction ring in the circumferential direction of the friction ring. The method has the characteristic of improving the rock breaking efficiency of the hob of the shield tunneling machine in a low-strength rock stratum.

This invention discloses a vortex nozzle based on the boundary layer effect. It includes an inlet structure, a vortex assembly, and an outlet structure. The vortex assembly consists of at least two coaxial vortexes stacked together, each with a central hole that forms an axial jet channel. The wavy surfaces of adjacent vortexes form a curved channel that converges towards the central hole, with the curved surfaces forming troughs at the edge of the central hole. The axial spacing h is less than the diameter D of the central hole. Water enters the curved channel tangentially from the outer edge, smoothly changes direction due to the boundary layer effect, and forms a vortex at the central hole, resulting in an axial jet that achieves a near 90° turn. When used for rotary drive, at least two circumferentially distributed nozzles spray in opposite directions along the tangent, forming a force couple. This invention features low energy loss, concentrated jet, and strong reaction force.

The invention relates to the technical field of orthotics, and provides an orthopedic reduction and fixation orthotics which comprises a base, a supporting plate is arranged on the inner side of the base, one end of the supporting plate is rotationally connected with the inner wall of the base through a pin shaft, and the other end of the supporting plate is fixedly connected with a fixing frame used for foot orthotics. A buffering mechanism is arranged at the bottom of the supporting plate and comprises an inclined supporting rod, one end of the inner side of the base is fixedly connected with a mounting base, the top end of the mounting base is slidably connected with a sliding rod, one end of the sliding rod is fixedly connected with a connecting base, the bottom end of the inclined supporting rod is hinged to the connecting base, and the sliding rod is sleeved with a buffering spring. An air outlet groove is formed in one side of the base, and a ventilation mechanism is arranged on the inner side of the air outlet groove. The walking sliding rods on the feet of the patient slide, so that the massage mechanisms massage the feet of the patient, blood circulation of the feet of the patient can be promoted, and muscles of the feet of the patient are relaxed.

The present application relates to a non-woven fabric spunlace jacquard processing equipment, which belongs to the field of non-woven fabric production. It includes a frame, on which a fiber feeding platform pre-wetting spunlace machine is provided, and three sets of spunlace machines are composed; the first and second spunlace machines are mainly used for fiber entanglement, and the third spunlace machine is used for trimming and jacquard processing of the surface of the non-woven fabric. The feeding platform spunlace machine and the jacquard station are respectively responsible for the two opposite sides of the fabric, and also include a power-assisting roller, which is rotatably connected to the frame, the rotation plane of the power-assisting roller is parallel to the moving direction of the fabric, and the peripheral surface of the power-assisting roller abuts against the fabric. The present application applies auxiliary pressure to the fabric through the power-assisting roller, thereby increasing the interaction force between the fabric and the jacquard surface, thereby increasing the fullness of the texture particles formed by the jacquard on the fabric.

The utility model provides a spring piece and a linear motor, the spring piece comprises a first spring part, a second spring part and a third spring part, the first spring part is connected with the second spring part through the third spring part, the first spring part and the second spring part are arranged in a staggered manner, and the third spring part is arranged as an inclined plate; the linear motor comprises spring pieces, a support, a machine shell and a mass block, the machine shell is fixed to the top wall of the support, the machine shell is hollow, and the two sides of the mass block are fixed to the machine shell through the spring pieces. Through the arrangement of the shape of the spring piece, the welding faces of the first spring part and the second spring part are located in different planes, direct welding is facilitated, the width of the tail of the spring piece is equal to the sum of the inclined projection distance of the third spring part and 2 * the material thickness, space occupation caused by bending arcs can be eliminated, the occupied size of the spring piece is effectively reduced, and the service life of the spring piece is prolonged. The possibility is provided for further reducing the size and the size of the linear motor, and the possibility is provided for improving the performance of the linear motor under the condition that the original size is not changed.

The present invention provides a microrobot and a control method thereof, which relates to the technical field of medical devices. The microrobot comprises a microrobot body and an in vitro control system connected to the microrobot body by signal; the magnetization direction of the microrobot body has an angle α with the radial direction; the angle α is an acute angle; the in vitro control system controls the operation of the microrobot body through a magnetic field. The microrobot provided by the present invention can generate a partial magnetic moment in the forward direction by obliquely magnetizing the microrobot body so that the microrobot body has a magnetization direction with an oblique angle, thereby significantly improving the reaction force of the fluid and increasing the propulsion force of the microrobot body, which is beneficial to improving the movement efficiency of the microrobot and expanding its application range.

The embodiment of the invention relates to the technical field of machine tools, and discloses a milling machine tool which comprises a base frame, a first supporting face and a second supporting face are arranged on the base frame, and a workpiece supporting assembly is arranged on the second supporting face. The workpiece supporting assembly achieves accurate movement of a workpiece in the horizontal direction through a first direction moving module and a workpiece supporting platform, the first direction moving module drives a lead screw to work through a first driving belt by means of a first driving motor, and meanwhile a heat dissipation cavity is formed below the first driving motor so as to improve the operation efficiency. The machine tool is further provided with a gate-type supporting frame, a vertical supporting frame, a sensor module and a processor, the processor can judge whether the milling module has a fault risk or not according to data provided by the two sensors, the high-speed milling motor is controlled to stop working when necessary, and therefore the safety and stability of the machining process are guaranteed.

The utility model discloses a cutting device for kraft paper bag processing, and belongs to the technical field of kraft paper bag processing, the cutting device for kraft paper bag processing comprises a cutting platform and a lifting frame arranged above the cutting platform, a kraft paper bag raw material is arranged above the cutting platform, fastening frames are symmetrically fixed on the side wall of the lifting frame, and the fastening frames are arranged on the lifting frame. A connecting plate is elastically arranged between the two fastening frames, a pressing plate used for extruding kraft paper bag raw materials is fixed to the bottom end of the connecting plate, and a baffle inserted into the cutting platform in a sliding mode is fixed to the end, away from the lifting frame, of the pressing plate. And after pressing and fixing, the cutting knife cuts the kraft paper bag raw materials, so that the kraft paper bag raw materials are conveniently pressed and fixed before cutting, and the cutting stability of the kraft paper bag raw materials is improved.

The application discloses a microporous ceramic catalyst carrier and a preparation method thereof, and relates to the technical field.The application comprises the following raw materials: a base material, the base material comprising the following components in parts by weight: bauxite 30-50 parts, fused quartz 47-60 parts, and porcelain clay 10-36 parts; and a binder, the binder comprising the following components in parts by weight: heat-resistant phenolic resin 10-14 parts, fumed silica 23-26 parts, and mica powder 10-16 parts.The application uses bauxite as the main base material to replace alumina, and since the bauxite also contains silica inside and the content of the silica is not high, the bauxite can be better fused with the fused quartz when sintering, so that the sintering temperature is reduced, the forming rate is improved, and the wear resistance is enhanced, and then when the microporous ceramic catalyst carrier is formed, the microporous ceramic catalyst carrier has the advantages of small density, high strength, pressure resistance, stable chemical properties, strong universality, no pollution, multiple shape assembly, and adaptation to complex reaction design.

The utility model relates to a rolling battery shell edge beam, which is formed by rolling and forming a steel belt, the section of the rolling battery shell edge beam is an integrated section shaped like a Chinese character'mu ', the rolling battery shell edge beam comprises a first closed cavity, a second closed cavity and a third closed cavity which are arranged in sequence, and the first closed cavity and the second closed cavity are separated by a first reinforcing vertical rib; the second closed cavity and the third closed cavity are separated through a second reinforcing vertical rib, the first closed cavity and the third closed cavity share one upper end face, and the first closed cavity and the second closed cavity share one first lower end face. The section structure of the edge beam is formed by the steel belt through roll bending, the forming mode is simple, the number of working procedures is small, the technology is simple, the section shaped like the Chinese character'mu 'can be achieved without the working procedures such as section tailor welding and repair welding, the structure is novel, strength is high, and practicability is high.