67 results about "Headstock" patented technology

The invention relates to an electrified railway traction power supply system which is low in investment, is smooth for obtaining a current and is convenient to maintain. Rail webs outside two steel rails of a rail are respectively provided with one insulating strip; then a power supply strip is respectively arranged outside each insulating strip; each vibration inductive switch is connected in series with a sound inductive switch and a light-operated inductive switch; one ends of the connected switches are connected to the power supply strips at one sides; the other ends of the connected switches are connected with feed lines; the power supply strips at the other sides are connected with return wires. Power receiving frames at a headstock side and a tailstock side of a train are in contact with the power supply strips; when the train passes through a zone, the vibration inductive switches are closed, the sound inductive switches are closed, the light-operated inductive switches are closed, the power supply strips in the zone supply power, the power receiving frames of the train obtain a current and the train runs; when the train runs into a next power supply zone, the next power supply section is powered on, and power supply is stopped in the power supply zone. The aims of low investment, smoothness for obtaining the current and convenience for maintenance are fulfilled.

The utility model discloses a headstock end cover for power distribution control equipment, which comprises an end cover, an articulated shaft mounting seat is arranged at one end of the inner side of the end cover, an articulated shaft is vertically and slidably mounted on the articulated shaft mounting seat in a penetrating manner, and a telescopic control mechanism is connected to one end of the articulated shaft and is used for extending and retracting the articulated shaft; a lock catch mechanism is arranged at the other end of the inner side of the end cover and is used for closing and limiting the end cover; an intelligent control panel and an emergency button are arranged on the outer side of the end cover; the emergency button is electrically connected with the intelligent control panel, and the intelligent control panel is electrically connected with the telescopic control mechanism and the lock catch mechanism. A power connector is arranged on the end cover and used for being connected with a power source to supply power to the intelligent control panel, the telescopic control mechanism and the lock catch mechanism. By arranging the emergency button, the telescopic control mechanism and the lock catch mechanism can be quickly operated by one key to be retracted through an instruction signal under an emergency condition, so that the limitation of the degree of freedom of the end cover is relieved, and the end cover can be disassembled more quickly.

The application discloses a kind of accurate grinding device of pairing bearing ring or piston ring end face width, including lathe body, the top one end of the lathe body is equipped with fixed headstock, the top other end of the lathe body is equipped with mobile headstock, the top of the lathe body and located fixedly connected with connecting disc in the side of fixed headstock close to mobile headstock.The beneficial effects of the application are: by setting measurement component, the grinding amount of bearing ring or piston ring is observed, that is, whether bearing ring or piston ring is ground in place can be known in time, without stopping machine and taking down bearing ring or piston ring for manual measurement, at the same time, through precise propulsion component, the basis of contact grinding between polishing wheel and bearing ring or piston ring is continued, micron level movement of mobile headstock is carried out, so that grinding is in place, accurate control during bearing ring or piston ring end face grinding is realized, which is much better than rough control of traditional manual rocker.

The utility model relates to a headstock assembly, and belongs to the field of machine tools. The machine head comprises a machine head frame base, a self-aligning bearing, a hollow shaft and a speed reducing motor, the hollow shaft is installed on the machine head frame base through the self-aligning bearing, the speed reducing motor is installed at one end of the hollow shaft, and the machine head is structurally characterized by further comprising an angle swinging device which is installed on the speed reducing motor. The headstock assembly further comprises a balance arm device, the balance arm device is arranged outside the hollow shaft in a sleeving mode and connected with the headstock base, the headstock assembly further comprises a hoop device, the hollow shaft is sleeved with the hoop device, the hoop device is installed on the headstock base, the balance arm device comprises a balance arm and a tension spring, and the tension spring is connected with the balance arm device. The balance arm is sleeved and fixed outside the hollow shaft, one end of the tension spring is connected with the balance arm, and the other end of the tension spring is connected with the headstock seat.

1. Name of this design product: Headstock (Series 1). 2. Purpose of this design: For fixing the strings in a violin headstock. 3. The key design features of this product are the combination of shape and pattern. 4. The image or photograph that best illustrates the design's key points: a 3D model. 5. The bottom surface of this product is a part that is not easily seen or cannot be seen during use, so the bottom view is omitted.

This utility model provides a headstock for an external cylindrical grinding machine, including a housing and a top cover, with cavities inside the housing and top cover. A second through hole and a first through hole are transversely arranged on the housing, penetrating the cavity. A headstock spindle, rotatably connected, passes through the second and first through holes, with the head of the headstock spindle positioned near the first through hole. A front bearing sleeve is installed in the first through hole, and a No. 1 bearing is installed between the front bearing sleeve and the headstock spindle. The headstock spindle is interference-fitted and fixedly installed in the inner ring of the No. 1 bearing. A rear bearing sleeve is installed in the second through hole, and a No. 2 bearing is installed between the rear bearing sleeve and the headstock spindle. The headstock spindle is interference-fitted and fixedly installed in the inner ring of the No. 2 bearing. This design can increase the axial force on small workpieces by several times, enabling the clamping and smooth rotation of large workpieces.

1. Name of this design product: Headstock (Series 3). 2. Purpose of this design: For fixing the strings in a violin headstock. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the key design points: Design 1 3D view. 5. The bottom surface of this product is a part that is not easily seen or cannot be seen during use, so the bottom views 1, 2, and 3 are omitted. 6. Design 1 is designated as the basic design.

This invention provides a guitar chord assist fretting device, relating to the field of chord assisting equipment. It includes a fixed frame connected to the headstock, at least one manual string presser, and at least one electric string presser. The manual string presser performs string pressing by manipulating a corresponding manual drive mechanism mounted on the fixed frame, and the electric string presser performs string pressing by controlling a corresponding electric drive mechanism mounted on the fixed frame. This invention uses a combination of manual and electric string pressers, allowing multiple strings to be pressed with a small number of motors, improving space utilization, and reducing cost.

Systems, devices, articles and methods for a portable hydrostatic pressure test device including a first plurality of tension beams placed in parallel to each other and a second plurality of tension beams. The first plurality of tension beams in operation are below the pipe. In operation, the second plurality of tension beams are between a respective pair of the first plurality of tension beams and are in sliding engagement with the first plurality of tension beams. The device includes a headstock coupled to the first plurality of tension beams, a first seal coupled to the headstock, a tailstock coupled to the second plurality of tension beams, a second seal coupled to the tailstock, and an inlet coupled to the headstock or the tailstock and disposed inside a seal to transfer fluid to or from the pipe.

1. Name of the product in this design: Guitar Body. 2. Purpose of this design: This design is used to fix the guitar strings and headstock. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The embodiment of the utility model provides a remote controller box assembly and a crown block. The remote controller box assembly comprises a first box body, a second box body, a mounting part, a connecting piece and a limiting piece, wherein the connecting piece comprises a main hanging section, a first hanging section and a second hanging section; the first hanging section and the second hanging section are connected to the main hanging section on the same side and are oppositely arranged in the first direction; the limiting piece comprises a first sliding block and a spring, and the spring can elastically deform in the first direction so as to adjust the distance between the first sliding block and the first hooking section, so that the distance between the first sliding block and the first hooking section is smaller than the width of the transverse rod. By designing the connecting piece and the limiting piece, the crown block dust collection remote controller and the crown block lifting hook rotating remote controller can be properly and stably placed in the first box body and the second box body respectively, and when the crown block dust collection remote controller and the crown block lifting hook rotating remote controller are taken out and placed, the situation that the remote controllers are touched by mistake is avoided; and the efficiency and the safety of the overall bus lifting operation of the crown block are improved.

The utility model discloses a novel headstock which comprises a headstock body and a string shaft sleeve, the headstock body is provided with a string shaft hole, and the string shaft sleeve is arranged in the string shaft hole. Through the application of the novel headstock provided by the utility model, the tuning peg and the headstock body are connected through the tuning peg sleeve, so that the direct contact between the tuning peg and the headstock body is effectively reduced, the friction force between the tuning peg and the headstock body is reduced, the tuning peg is more convenient to mount and dismount, and the maintenance cost of a musical instrument is reduced; and the service life of the headstock is prolonged.

The invention discloses winding machine equipment for accurately forming a metal hollow pipe inductor. The winding machine equipment comprises an unwinding mechanism, a base, a winding mechanism, a reciprocating guide mechanism, a cloth tape winding mechanism and a control box. The base is arranged on one side of the unwinding mechanism. The winding mechanism comprises a headstock, a tailstock box and a winding assembly, the headstock is connected to the base, the tailstock box is slidably connected to the base, and the winding assembly is detachably connected between the headstock and the tailstock box. The reciprocating guide mechanism comprises a base plate and a guide mechanism, the base plate is connected to the base, and the guide mechanism is connected to the base plate. The cloth belt winding mechanism is in linkage with the guiding mechanism and arranged between the winding mechanism and the unwinding mechanism, and the cloth belt winding mechanism reciprocates under the action of the guiding mechanism. The metal pipe winding device can be suitable for winding work of large metal pipes, the application range is wide, meanwhile, winding of the metal pipes can be guided, springback of the metal pipes can be reduced, and the winding precision and the winding effect of the metal pipes are guaranteed.

The utility model discloses a portable integrated ratchet wrench which comprises a handle assembly, a ratchet head is embedded in the upper portion of the handle assembly, a screwdriver head is clamped in a cavity in the lower portion of the handle assembly, the handle assembly comprises a handle, a plurality of hexagonal holes and magnet groove positions are formed in the inner surface of the handle in the horizontal direction, and the hexagonal holes are used for clamping the screwdriver head. The magnet groove position is used for installing a magnet, the magnet is used for adsorbing the tail of the screwdriver head, and the magnet cover plate is locked and fixed to the outer side of the handle through a screw and used for covering the magnet to prevent the magnet from falling off; according to the multifunctional ratchet wrench, the screwdriver head storage function and the ratchet wrench handle are integrally designed, the screwdriver heads are attracted through the magnets and directly taken or placed from the side face of the handle, the double-head screwdriver head design is adopted, the number of the screwdriver heads is reduced, meanwhile, the characteristics of more specifications are considered, and the hexagonal holes and the magnets are designed at the bottom and used for installing the screwdriver heads; the dual-purpose ratchet wrench and the screwdriver are achieved, carrying is convenient, the integration degree is high, and the screwdriver head can be placed and taken more quickly.

The machine head dust removal device comprises a base and a machine head seat, the machine head seat is arranged above the base, a transverse electric rail is fixedly installed on the upper surface of the machine head seat, and a machine head frame is slidably connected to the upper surface of the transverse electric rail; and one side of the machine head frame is fixedly connected with a laser cutting frame. According to the machine head dust removal device applied to laser cutting, air flow generated when the powerful fan works drives fan blades to rotate, a rotating rod and a supporting plate are matched to drive a brush to synchronously rotate, the surface of a filter screen can be continuously wiped, and the situation that the dust removal efficiency of the filter screen is reduced due to dust attachment and blockage is avoided; and through clamping cooperation of a fixed rod, a movable plate, a first spring, a clamping block and a limiting block, a cover plate can be quickly opened, a mounting plate can be conveniently taken out to replace or clean a filter screen, a filter plate and an activated carbon plate, a motor drives a threaded rod to drive an iron brush to move and clean the supporting platform, and the situation that the workpiece placement stability is affected by residual dust on the platform is avoided.

The utility model discloses a punching die plate and a punching assembly, relates to the technical field of punching tools, and is used for solving the technical problems of difficult punching operation and high punching difficulty on a high-speed rail headstock, the punching die plate comprises a punching panel, the punching panel is provided with a plurality of auxiliary positioning holes, and the auxiliary positioning holes are arranged on the punching panel. The shape of the punching panel is matched with the shape of the sound transmission punching plate, auxiliary positioning holes are regularly distributed in the punching panel, the positions of the auxiliary positioning holes correspond to the positions of sound transmission holes in the sound transmission punching plate, and steel sleeves are arranged in the auxiliary positioning holes in a sleeved mode; the punching assembly comprises a punching die plate and further comprises an auxiliary supporting frame, the auxiliary supporting frame comprises a supporting bottom frame and a limiting part, and the punching die plate is placed on the auxiliary supporting frame; by means of the die plate, the sound transmission perforated plate can be accurately perforated, hole positions are fixed, the operation difficulty is lowered, and the technical problems that perforating operation is difficult and the perforating difficulty is high on a high-speed train head are solved.

A machine tool according to an aspect has a partition with which a space above a base in a housing is separated into a machining chamber in which machining with a tool is performed and a storage chamber in which a headstock is accommodated. The machine tool includes: a workpiece spindle rotatably supported by the headstock hand having a leading end exposed to the machining chamber; a coolant discharge part located in the machining chamber and configured to discharge a coolant during machining of a workpiece supported by the workpiece spindle; a mist collector located in a space above the headstock and having an outlet open on a side face of the housing; a mist intake formed on the partition and being open toward the machining chamber; and a pipe arranged in the storage chamber and connecting an inlet of the mist collector with the mist intake.

The application relates to the grinding technical field and provides a vertical grinding device. The vertical grinding device comprises a supporting base and a headstock mechanism, a tailstock mechanism and a grinding mechanism which are installed on the supporting base. The tailstock mechanism is arranged above the headstock mechanism, the tailstock mechanism can move along the vertical direction relative to the headstock mechanism, and the tailstock mechanism has a first position and a second position which are arranged at intervals along the vertical direction relative to the headstock mechanism. The grinding mechanism comprises a first rotary table and a first grinding tool group and a second grinding tool group which are movably connected to the first rotary table. The first grinding tool group and the second grinding tool group are arranged at an angle, and the first grinding tool group and the second grinding tool group can be selectively rotated to the headstock mechanism under the action of the first rotary table. The vertical grinding device provided by the application can meet different grinding requirements, and the equipment does not need to be replaced according to different grinding requirements in the whole grinding process of the crystal, so that the grinding efficiency and machining precision are improved.

The utility model relates to elbow pipe end horn mouth outer diameter turning equipment which comprises a workbench, a workpiece clamp and a turning mechanism. According to the technical key points, the turning mechanism comprises a headstock, a main shaft, a main shaft outer shaft sleeve, a first outer shaft copper sleeve and a second outer shaft copper sleeve, wherein the main shaft outer shaft sleeve sleeves the front part of the main shaft through a thrust bearing; the first outer shaft copper sleeve is arranged between the front part of the peripheral surface of the main shaft outer shaft sleeve and the inner wall of a cavity of the headstock; the second outer shaft copper sleeve is arranged between the rear part of the peripheral surface of the main shaft outer shaft sleeve and the inner wall of the cavity of the headstock; the cutter head is arranged at the front end of the main shaft, the spline housing is connected with the rear part of the main shaft, the rotary driving mechanism is connected with the spline housing, the horizontal cutter feeding air cylinder is arranged above the headstock, the connecting frame is connected between an outer shaft sleeve of the main shaft and a cylinder rod of the horizontal cutter feeding air cylinder, and an axial avoiding hole corresponding to the connecting frame is formed in the top surface of the headstock. The device solves the problem that the turning machining difficulty of the horn-mouth-shaped end of an existing bent pipe is large, so that the dimensional tolerance requirement of a product is met, and the machining precision and the machining efficiency of the product are remarkably improved.

This utility model discloses a novel ruan with a double-circle resonant device, including a top panel, a side panel fixedly connected to the back of the top panel, a back panel fixedly connected to the back of the side panel, a neck fixedly connected to the top of the side panel, a headstock fixedly connected to the top of the neck, a fingerboard with frets on the front of the neck, and a nut on the lower front of the headstock. This utility model cleverly reduces the horizontal width through a double-circle top panel design, effectively alleviating chest pressure during playing and making the holding posture more natural and comfortable. It is especially convenient for playing in the high register, significantly improving the player's control flexibility. The fret height is reduced to 3mm, and combined with the scientific curvature design of the fingerboard, it greatly reduces finger strength consumption during playing. Even when playing complex pieces quickly, the player can more easily control the pressing force and accuracy, significantly improving the smoothness and comfort of the performance.

A stringed musical instrument includes a soundbox, including a soundboard and a backboard opposite the soundboard; a headstock, including tuners; a neck member, including a fretboard, extending between the headstock and the soundbox to form a common longitudinal axis; a plurality of strings having ends coupled to the tuners and other ends coupled to the soundbox; and a bridge coupled to the soundbox along the longitudinal axis. Ends of the strings are connected to the bridge and other ends of the strings are connected to the tuners. The soundboard is configured to directly interconnect with the backboard to form a sound chamber.

The utility model relates to the technical field of headstock motors, in particular to a headstock motor with a damping base, which comprises a headstock motor and a damping base top plate, a stud hole is arranged on the surface of the headstock motor, a stud is fixed at the top end of the damping base top plate, the stud is movably inserted in the stud hole, and the damping base top plate is fixed on the surface of the headstock motor. A nut is mounted on the surface of the stud in a threaded connection manner; the anti-loosening device has the beneficial effects that the anti-loosening plate is pressed downwards to be completely retracted into the anti-loosening plate mounting groove, then the nut is screwed on the stud through threaded connection, after basic screwing, the nut continues to be finely adjusted in the screwing direction to enable the nut to be aligned with an inner ring of the anti-loosening plate, and then the anti-loosening plate is loosened; the anti-loosening spring pushes one end of the anti-loosening plate out of the anti-loosening plate mounting groove under the elastic effect of the anti-loosening spring, so that the nut is sleeved with one end of the anti-loosening plate to conduct circumferential limiting on the nut, the thread anti-loosening function between the nut and the stud is achieved, and the headstock motor is firmly mounted at the top end of the damping base top plate.

The utility model relates to the technical field of headstocks for dance of dragon and lion, and discloses a headstock for dance of dragon and lion with an adjustable internal space, which comprises a main body mechanism, sliding mechanisms are connected to two sides of the main body mechanism in a sliding manner, and a telescopic mechanism is arranged at the top of the main body mechanism. Through the arrangement of the first frame body and the second frame body in the main body mechanism, the stability of the device can be guaranteed through the first frame body and the second frame body, so that the stability of the device is improved, and through the arrangement of the first protection plate and the second protection plate on the two sides of the first frame body, the device can be prevented from being collided; the device is arranged in the first frame body, so that damage and danger are caused to the device and operators in the device, the reliability and safety of the device are improved, the device can be controlled through a roll shaft arranged in the first frame body, and the portability of the device is improved.

The invention provides a clamping jaw mechanism. The clamping jaw mechanism comprises a headstock, a first clamping component, a second clamping component, a split ring, a movement mechanism, a machine body and a lifting mechanism. A sliding rail is arranged on the headstock; the first clamping component is installed on the sliding rail in a sliding mode. The second clamping component is installed on the sliding rail in a sliding mode. The first clamping component and the second clamping component are matched to clamp a workpiece; a split ring is mounted at the lower end of the headstock; the movement mechanism is mounted on the headstock; the split ring drives the movement mechanism to operate; the movement mechanism enables the first clamping component and the second clamping component to be closed or opened. A notch is formed in the front portion of the machine body, and a notch gear is installed in the notch. The headstock is mounted on the notched gear; the lifting mechanism is mounted on the machine body; and the lifting mechanism is used for pushing the split ring to move.

The utility model provides a desktop guitar support comprising a clamping mechanism, the clamping mechanism comprises a fixing seat and a clamping piece, the fixing seat is provided with a supporting part, the clamping piece is movably arranged on the fixing seat, and the clamping piece is in clamping cooperation with the supporting part; the suspension bracket is arranged on the fixed seat in a liftable manner and is in locking fit with the fixed seat through a locking assembly, and a headstock support is rotationally arranged on one side of the suspension bracket. Compared with the prior art, the desktop guitar support provided by the utility model can be clamped at the edge of the desk plate through the clamping mechanism, so that the suspension bracket can be fixed at one side of the desktop, and a user can suspend a guitar on the guitar head support, so that the guitar can be quickly taken and placed, and the whole structure is simple; the side part of the fixed seat is also convenient for placing a plectrum and hanging sundries such as earphones, wires and the like; the guitar head support and the guitar body supporting piece can rotate, so that the guitar head support is suitable for guitars of different shapes, and the positions of the guitar head support and the guitar body supporting piece can be reasonably adjusted according to use scenes.

The invention discloses a structure for adjusting and keeping string tension, belongs to the technical field of string instrument accessories, and is suitable for string instruments with tuning pegs, such as violin, cello, erhu, lute and the like. The structure comprises a peg body and a headstock, one end of the peg body is provided with a knob, the other end of the peg body is provided with a string clamping groove, and the outer wall of the cylindrical section is provided with one or more protrusions; and a matched groove part is arranged at the corresponding position of the tuning peg hole of the guitar head. During tuning, the knob is rotated to adjust the tension of the string to a target pitch, and the tuning peg body is pulled to clamp the convex part into the groove part, so that the rotation of the tuning peg can be limited, and the tension of the string is stabilized to keep intonation. According to the tuning peg, reliable rotation resistance torque is provided through accurate clamping of the protruding part and the groove part, and the problems that a traditional tuning peg is prone to loosening and sound runout due to interference fit and a threaded structure, and an external stop device is complex in structure, large in assembly difficulty, inconvenient to use and high in price are solved. The locking device has the advantages of being reliable in locking, simple in structure, convenient to operate, resistant to abrasion and durable, low in machining cost, wide in adaptation range and low in purchase and use cost, and intonation stability and playing experience of the stringed instrument can be remarkably improved.

1. Name of the product in this design: Morin Khuur (horsehead fiddle) headstock. 2. Purpose of this design: To be used as a decoration for the headstock of a morin khuur (horsehead fiddle). 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model. 5. The bottom surface of this product is a part that is not easily seen or cannot be seen during use, so the bottom view is omitted.

This application discloses an electronic pipa, comprising: a soundboard, a headband, and a pickup. The body is mounted on the outer rear end of the soundboard, and a headstock is fixedly mounted on the top of the body. A tuning peg is inserted into the headstock. A headband is fixedly mounted on the lower front end of the soundboard, and a string is threaded through the headband. A pickup is fixedly mounted inside the lower end of the body by screws, and a pickup bar is connected to the front end of the pickup. This application belongs to the field of pipa technology. The purpose of this application is to solve the problems in existing technologies where the original sound of the pipa cannot be effectively amplified, and where it is often difficult to ensure the aesthetics of the installation process and the optimal resonance point within the body when installing the pickup. The achieved technical effect is: solving the problems of not being able to effectively amplify the original sound of the pipa, and the difficulty in ensuring the aesthetics of the installation process and finding the optimal resonance point when installing the pickup.

The utility model provides a Zoojin musical instrument which comprises an involute-shaped resonance box body, the involute resonance box body is provided with sound releasing holes, and the involute resonance box body is provided with an involute side plate and a musical instrument neck. The guitar neck is provided with a fingerboard and timbre, and the guitar head is arranged on the guitar neck; a tuning peg is arranged on the headstock, a string binding column and a bridge are arranged on the involute resonance box, strings are arranged between the tuning peg and the string binding column, a back plate is arranged behind the involute resonance box, and a mountain opening is formed in the fingerboard. According to the utility model, the resonance box body adopts the involute shape, so that the resonance cavities corresponding to the high, medium and low sound strings have different sizes, the sound tone of the musical instrument can achieve a relatively ideal effect, the acoustic performance is greatly improved compared with a symmetrical sound box such as a lute, and the sound box is not manufactured by hollowing a large wood material, so that the cost is reduced. Therefore, wood materials can be saved, manufacturing cost can be reduced, and excellent timbre and low price can be favored by music lovers.

The utility model provides a high-speed rotating mechanism, and relates to the technical field of numerical control lathes, the high-speed rotating mechanism comprises a lathe head, a rotating main shaft, a material clamping structure and a driving motor, the rotating main shaft is arranged on the lathe head, and the material clamping structure is installed on the lathe head and connected with the rotating main shaft; the automatic feeding device is simple in structure and reasonable in design, the lathe head provides support and protection for the rotating main shaft, the material clamping structure ensures that materials can be firmly fixed on the rotating main shaft, the driving motor provides power for the rotating main shaft through the belt pulley structure, and the rotating main shaft is driven by the driving motor through the belt pulley structure. Therefore, a high-speed and stable rotation function is realized.