60 results about "Side Tooth" patented technology

A striker driving mechanism for an electric nail gun includes a striker, a driving motor, a gearbox, a driving cam and a relay device. The striker has driving teeth on one side facing the driving cam to engage with pins thereon. A nail driving groove with a locking hole is centrally located on the top surface of the front of the striker. A triangular projection is provided on the striker bottom and in front of the locking hole. The relay device includes a mounting base hinged with one end of a striker support block whose other free end has an arc-shaped latch projection facing upward and connecting a reset spring being pre-compressed to maintain the arc-shaped latch projection always held against the bottom of the striker. The striker having single side tooth structure and a passive catch device simplifies the structure and improves the operational stability.

The invention relates to the technical field of perioral muscle function detection, and discloses a flexible sensing function integrated tongue muscle function detection system and method.The system comprises a tooth socket type flexible film sensor, a wireless transmission module and a control module; the tooth socket type flexible film sensor is of a wearable tooth socket structure, a sensing array formed by a plurality of sensing units is arranged in the tooth socket type flexible film sensor, and the sensing array is distributed in an upper jaw area and a side tooth area corresponding to tongue muscle movement; the wireless transmission module is arranged on the outer side area of the upper molar and is connected with the tooth socket type flexible film sensor through the flexible printing circuit; the control module is connected with the wireless transmission module and comprises a calibration module, an initial value determination module, a correction module and a data storage and communication module. According to the invention, accurate, non-invasive and real-time monitoring of tongue muscle activity is realized.

The invention relates to the technical field of automobile connecting wire harnesses, and discloses an aluminum wire harness structure for a new energy charging seat and a processing method thereof.The aluminum wire harness structure comprises an aluminum wire core and a copper terminal, the aluminum wire core comprises a core main body part and a core connecting part, and the copper terminal comprises an end main body part and an end connecting part; the core connecting part and the end connecting part are respectively formed by stamping of a wire core press molding machine and a terminal press molding machine, the surface of the core main body part is sleeved with an insulating sleeve, and two corresponding side surfaces of the core connecting part are integrally connected with side tooth blocks; according to the aluminum wire harness structure, tight interference fit between the aluminum wire core and the copper terminal is achieved through clamping fit between the side tooth blocks and the side tooth grooves in combination with a temperature difference assembly process and by means of the thermal expansion and cold contraction characteristic of metal, secondary fixing of the insertion blocks and the insertion barrels is assisted, a dual mechanical locking structure is formed, and the problems of loosening and falling of the connecting parts are effectively avoided.

The invention discloses a composite worm grinding wheel and a dressing method thereof.The composite worm grinding wheel is composed of a surface micro-structured grinding wheel body and a fine grinding wheel body which are axially connected into a whole, the surface micro-structured grinding wheel body adopts ultrasonic vibration to assist a single-point diamond pen in dressing, and a large number of separated-continuous oblique curve micro grooves are dressed in the tooth side face; cutting force, heat production and the temperature of a contact area are reduced by reducing the contact layer, the effective blade grinding number of the grinding wheel during grinding is increased, and the problems of blockage of the grinding wheel and thermal damage to the surface of a workpiece are effectively solved; a fine grinding working face is formed on the outer side tooth face of the fine grinding wheel, and the problem that the surface roughness is large is solved by using grinding materials with the large particle size number. The device integrates the functions of rough grinding and accurate grinding, machining is completed through one-time clamping, repeated clamping and positioning errors are reduced, materials are efficiently removed, chip removal and heat dissipation are improved, the machining precision and size consistency are improved, and the contradiction that efficiency, heat dissipation and surface quality are difficult to consider in the generating grinding process is solved.

The utility model belongs to the technical field of liquid crystal module processing, and particularly discloses dispensing equipment with an anti-displacement structure, which comprises a dispensing table, the top of the dispensing table is fixedly connected with a limiting box, and the bottom of the dispensing table is fixedly connected with a servo motor. The output end of the servo motor penetrates through the inner surface of the dispensing table and extends into an inner cavity of the limiting box. According to the dispensing equipment with the displacement prevention structure, a servo motor is arranged, so that a gear can be driven to rotate, the gear drives toothed plates on the two sides to move towards the inner side under the action of tooth meshing in the rotating process, a vertical plate can be driven to move towards the inner side through transmission of a connecting rod, and a liquid crystal module is limited left and right; the displacement in the use process is avoided; the screw rod moves downwards under the action of threads in the rotating process and drives the limiting plate to move downwards, the liquid crystal module can be limited up and down through cooperation between the limiting plate and the supporting plate, and the displacement prevention effect on the liquid crystal module is improved.

The utility model provides a conveying belt frame fixing block machining fixing tool and belongs to the technical field of machining. Comprising a workbench, a fixing assembly and a machining assembly, wherein the workbench is provided with an inner cavity; the fixing assembly comprises a gear rotationally connected with the inner cavity. The connecting block is pushed to move through the air cylinder, then the toothed plate is driven to move transversely, the gear is driven to rotate through movement of the toothed plate, the toothed plate on the other side of the gear is driven to move oppositely while the gear rotates, and finally the two clamping plates are driven to move oppositely through opposite movement of the two toothed plates. At the moment, the fixing block is placed between the two clamping plates, the two clamping plates move towards the center position to fix the fixing block, the fixing firmness and stability of the fixing block can be improved, meanwhile, the fixing blocks of different sizes can be stably fixed, and the application range of the device is widened.

The utility model discloses an alarm device of a power prediction monitor for a new energy power station, which relates to the technical field of alarm devices and comprises a mounting rack, one side of the mounting rack is rotatably connected with a bottom plate for fixing equipment, the upper surface of the mounting rack is provided with an alarm body, and the side surface of the mounting rack is provided with a rotating mechanism. The rotating mechanism comprises a double-side tooth cylinder, the center of the double-side tooth cylinder is sleeved with a limiting rod, single-side tooth cylinders are fixedly installed on the two sides of the limiting rod, clamping teeth matched with each other are arranged on the inner sides of the single-side tooth cylinders and the surfaces of the two sides of the double-side tooth cylinder, and a limiting rotary knob used for limiting the single-side tooth cylinders is arranged on the surface of one side of the limiting rod. And a mounting mechanism is arranged on the upper surface of the mounting frame, and in the scheme, by arranging the rotating mechanism, the mounting position of the equipment can be adjusted according to use requirements, and the effect of meeting different mounting requirements is achieved.

The utility model discloses a fastener screening device, and belongs to the technical field of screening. The device mainly comprises a base, a supporting table is fixed to the upper side of the base, a toothed plate is arranged on the upper side of the supporting table, movable tables are arranged on the two sides of the supporting table, a plurality of teeth are arranged on the upper sides of the movable tables, one sides of the teeth extend to the upper side of the supporting table, a rotating shaft is rotationally arranged in the supporting table, and the two ends of the rotating shaft penetrate through the movable tables correspondingly. The two ends of the rotating shaft are in threaded connection with the movable tables correspondingly, and the thread directions of the two ends of the rotating shaft are opposite. By rotating the rotating shaft, the two movable tables are close to or away from the supporting table at the same time, on one hand, the device can adapt to nuts of different sizes by adjusting the distance between the teeth on the two sides, and on the other hand, the toothed plate can be kept between the teeth on the two sides so that the toothed plate can lift the middle position of a bolt, and the situation that the bolt slides down is reduced. The fastener screening equipment achieves the effect of having an adjusting function.

The invention provides a rapier loom with an ironing function, and relates to the technical field of rapier looms, the rapier loom comprises a loom mechanism, an ironing mechanism is mounted on the loom mechanism, a supporting plate mechanism is further mounted on the loom mechanism, and the ironing mechanism is located above the supporting plate mechanism; the weaving machine mechanism comprises two side supports, mounting boxes are fixedly connected to the upper surfaces of the two side supports, and two conveying rollers are rotatably mounted on one side between the two side supports. Through the technical scheme, the purpose is that a driving motor is started to drive a driving lead screw to rotate, and the driving lead screw rotates to drive a connecting plate and a side toothed plate to move horizontally; when the side toothed plate makes contact with the driven gear, the driven gear and the rotating shaft can be driven to rotate, then the rotating shaft drives the L-shaped connecting piece to rotate with the rotating shaft as the center, the ironing plate can be driven to move to the position above the knitted fabric, the blanked knitted fabric is ironed, then the processing efficiency is improved, and manual labor is saved.

The invention relates to the technical field of electronic products, and particularly discloses a router which comprises a base, a circuit board, a first shell and a driving assembly, the base is provided with an air inlet and an avoiding opening, and the air inlet is formed in the bottom of the base; the circuit board is arranged on the base, a first light-emitting part and a plug connector are arranged on the circuit board, and at least part of the plug connector is located in the avoiding opening; the first shell is rotationally arranged on the base and covers the peripheries of the circuit board and the first light-emitting part, and the first shell is provided with an air hole; the driving assembly comprises a servo motor, a driving wheel and a gear ring, the servo motor is arranged on the base, the driving wheel is connected with the servo motor, the gear ring is arranged on the first shell, and the inner side tooth part of the gear ring is meshed with the driving wheel. According to the arrangement, the visual attraction and the heat dissipation effect are improved.

Drive (10) for a sash of a door or window, comprising a housing (12), a piston (16) slidably guided in the housing (12) and acted upon by a spring unit (14), and an output shaft (20) rotatably mounted in the housing (12) and connected to the piston (16) via a rack and pinion drive (18), wherein the rack and pinion drive (18) comprises a non-circular pinion (22) connected to the output shaft (20), the teeth (24) of which mesh with a piston-side mating tooth (26), and wherein the effective lever arm length (R) of the pinion-side tooth (24) increases with increasing sash opening angle in an initial sash opening angle range of 0° up to a first predetermined sash opening angle, starting from a relatively higher or maximum effective lever arm length (R0) at the sash opening angle of 0°. decreases, characterized by this,that the effective lever arm length (R) of the pinion-side toothing (24) increases abruptly with increasing wing opening angle from a second predetermined wing opening angle, which is greater than or equal to the first predetermined wing opening angle and less than the maximum wing opening angle, wherein, to generate the abruptly increasing effective lever arm length (R) of the pinion-side toothing (24) or the associated pitch curve jump (48), at least one meshing tooth pair (28, 30) of the pinion-side and piston-side toothing (24, 26) is provided with pressure-side tooth flanks (28', 30') that are extended compared to the pressure-side tooth flanks of the remaining tooth pairs.

The utility model provides an automobile auxiliary frame assembly welding clamp, which relates to the field of automobile manufacturing tools and comprises a base, an auxiliary seat is fixedly connected onto the base, a main clamp component is arranged on the base, convex plates are arranged at two ends of the auxiliary seat, and two limit rods are fixedly connected between the two convex plates. The main clamp assembly is controlled to automatically clamp the exteriors of frame bodies at the two ends of the auxiliary frame, and meanwhile the air pressure pushing assembly is utilized, so that the movable block drives the folded plate and the transverse supporting plate to push the inclined inner supporting piece to abut against the inner wall of the auxiliary frame. Force is applied to the inner wall and the outer wall of the two ends of the auxiliary frame at the same time for clamping, and a stable triangular clamping structure is formed. The rotating disc is rotated to drive the screw to rotate, then the middle block is driven to move stably, linear motion is ingeniously converted into rotation of the pin shaft and the inclined inner supporting piece through the meshing relation between the side tooth edge and the gear, and the inclined inner supporting piece can be flexibly adjusted to the angle matched with the angle according to the angle of the inner wall of the frame body at the two ends of the auxiliary frame.

The present disclosure relates to a segmented switched reluctance motor, which includes a stator comprising a stator yoke and one or more pole phase set units arranged on the stator yoke, wherein the pole phase set units are arranged along a circumferential direction of the stator yoke, and wherein each pole phase set unit comprises a plurality of stator tooth portions arranged along the circumferential direction of the stator yoke, each stator tooth portion comprising a middle tooth and side teeth arranged on both sides of the middle tooth, the side teeth being spaced apart from the middle tooth to form a stator slot between the middle tooth and the side teeth, and a plurality of field windings, each of the plurality of field windings being arranged in the stator slot around the middle tooth for generating at least one pair of magnetic poles at each stator tooth portion. The switched reluctance motor of the present disclosure has a shorter magnetic circuit, and thus can improve the iron loss of the motor.

The utility model relates to motor manufacturing technical field especially relates to a motor iron core riveting positioning integrated equipment, including work table, the upper surface of work table is provided with positioning mechanism, the lower surface of top is provided with riveting mechanism. This kind of motor iron core riveting positioning integrated equipment, through the setting of positioning mechanism and riveting mechanism, when using, placing motor iron core, then starting motor, drive screw rod to rotate, the sliding block below diagonal side tooth block follows the sliding groove on the base and slides stably, the sawtooth block is engaged with the gear, will push the tooth block movement, the clamping block will move, three groups of clamping blocks move from different directions towards the center position of iron core placement plate, and the motor iron core is clamped and positioned, then, starting the pneumatic cylinder, the piston in the pneumatic cylinder pushes the lifting plate to move down, and the riveting block also moves down synchronously, approaches motor iron core, and motor iron core is riveted, realizes positioning and riveting integration.

The utility model relates to the technical field of mineral engineering, and provides a spoon head of an ore feeder of a ball mill, which comprises a spoon head, the end part of the spoon head is detachably connected with a wear-resistant part, the wear-resistant part comprises a middle tooth and side teeth, the end part of the spoon head is inserted into the middle tooth, the side teeth are respectively propped against the inner walls of the two sides of the end part of the spoon head, and the inner walls of the two sides of the end part of the spoon head are connected through the middle tooth and the side teeth. And the end part of the spoon head is wrapped by the device, so that ore feeding can be better guided, the impact of mineral aggregates on the spoon head in the ore feeding process is reduced, the abrasion is reduced, the spoon head is more durable, the service life of the device is prolonged, and the production cost is reduced. Meanwhile, when the ore pulp is scooped up, the splashing phenomenon can be avoided, and the ore feeding amount of the ball mill is guaranteed.

The utility model relates to the field, in particular to a multipurpose milling cutter which comprises a cutter handle, an arc-shaped transition part and a cutter body, the cutter body is arranged at one end of the cutter handle, and the arc-shaped transition part is arranged between the cutter handle and the cutter body. Wherein six circumferential blades which are arranged in a right-handed rotation mode are arranged on the periphery of the cutter body, all the circumferential blades are distributed at equal-angle intervals, six end teeth which are arranged at equal-angle intervals are arranged on the end face of the cutter body, a chisel blade is connected between every two non-adjacent end teeth, the six end teeth are correspondingly connected with the six circumferential blades respectively, and side teeth are arranged on each circumferential blade. Due to the arrangement of the end teeth, the circumferential cutting edges and the side teeth, grooves, side faces and end faces of workpieces can be machined, the tool changing step is omitted, the machining efficiency of products can be greatly improved, the tool cost is saved, due to the arrangement of the R corners, the workpieces can be subjected to rounding treatment, the machining efficiency is improved, and the machining cost is reduced. The practicability is improved.

The invention discloses a quenching device and method for improving the hardness of gear teeth of a transmission gear, and relates to the technical field of transmission gear part machining treatment. A tooth opening plate is horizontally fixed in a quenching pool, the tooth opening plate is provided with an upper side tooth opening matched with a gear ring side tooth opening, a tooth opening gap and a jet flow hole communicated with the tooth opening gap, a flow guide box is installed below the tooth opening plate, the flow guide box is connected with a main liquid pipe with an electric control valve, a liquid supply pump and a cooling mechanism, and a sensing probe is arranged in the quenching pool. An elastic hanging assembly is hung on the conduction belt above the quenching bath, and a photoelectric probe is arranged above the conduction belt. A sensing probe monitors the liquid level of a quenching medium; a photoelectric probe triggers a corresponding electric control valve; the quenching medium is injected into a tooth opening gap through a jet hole; the gear rotates to enable all tooth openings to be in full contact with the medium; targeted quenching of the teeth is achieved, quenching is uniform, the overall structural stress of the gear is effectively protected, and the device can also adapt to gears of different specifications.

The application provides a gear shift switching device, which comprises a planet carrier, a sun gear, a planet gear and a fixed ring gear; the planet carrier has a driving end and a rotating end arranged oppositely; the sun gear has an axis extending along a first direction, the sun gear is rotatably installed to the driving end along the axis, and the side tooth surface of the sun gear is sequentially formed with a revolution part and a fixed rotation part along the first direction; the planet gear has an axis extending along the first direction, the planet gear is rotatably and movably installed to the rotating end along the axis and the first direction, and is in mesh with the sun gear, the planet gear has a movement stroke along the first direction to the revolution part or the fixed rotation part; the fixed ring gear is arranged corresponding to the revolution part, the planet gear is in mesh with the fixed ring gear when moving to the revolution part, and is out of mesh with the fixed ring gear when moving to the fixed rotation part.

The utility model discloses a kind of indentation machines with precise control pressure function for carton processing, including conveying seat, the rear end of conveying seat is fixedly connected with first support, and the top of first support is fixedly connected with hydraulic rod, the telescopic end of hydraulic rod is fixedly connected with second support, the lower end of second support inside is connected with indentation roller by bolt, and the outer surface of indentation roller is fixedly connected with multiple equidistant distribution indentation plate.The utility model places the carton to be indented on conveying belt, opens motor, can be driven driving roller rotation by single side tooth synchronous belt, and can drive conveying belt to move under the cooperation of driven roller, and people can replace different types of indentation roller and control hydraulic rod telescopic according to needs by bolt, the distance between indentation roller and conveying seat can be adjusted, so that the adjustment requirement of indentation pressure can be realized, to bring great convenience for people's use.

The utility model belongs to the transmission parts design technical field relates to a sun gear shaft with double guide spline structure. Sun gear shaft body, one end of sun gear shaft body is provided with sun gear tooth, the other end is provided with outer spline, the both sides tooth surface of every spline tooth on the assembly end of outer spline all is provided with guide angle. The guide angle is from the each tooth top circle arc line center of assembly end of outer spline as the starting point, extends to the tooth root by tooth top bevel, and the angle with tooth center surface is 10~15. Through setting up guide angle on the both sides tooth surface of every spline tooth of outer spline assembly end, the two -way guide structure is formed. When the initial contact of inner and outer spline, the tooth top is opposite or the tooth surface is misaligned and is contacted, the guide angle bevel can all automatically produce radial component force, drives the inner spline tooth along the bevel and slides into the tooth groove, eliminates the manual rotation adjustment link in the process of assembly, promotes the blind assembly success rate, saves the assembly time.

1. The name of the design product: the side tooth part of a bicycle chain wheel. 2. The use of the design product: the design product is used as a whole in a bicycle chain wheel, and the protected part is the side tooth part of the chain wheel. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view 1. 5. Other circumstances that need to be explained: the dashed line part in the figure is not claimed, the dotted line is the boundary between the claimed part and the non-claimed part, and the dotted line itself is the non-claimed part of the design.

The utility model provides a protective device for oral cavity sand blasting treatment. The protective device comprises a shell; the upper portion of the shell is closed, the lower portion of the shell is open, the first side is provided with a first notch communicated with the bottom, and the second side is provided with a second notch communicated with the bottom. The shell is used for sleeving the dentition of a subject, so that teeth to be subjected to sand blasting treatment are positioned in the middle of the shell; the first notch is buckled on a first side dentition of a tooth to be subjected to sand blasting treatment, and the second notch is buckled on a second side dentition of the tooth to be subjected to sand blasting treatment; a first pipe body is installed on the front portion of the shell and used for being connected with a sand blasting tool. A second pipe body is formed on the rear portion of the shell and used for being connected with a negative pressure device. And the first pipe body and the second pipe body are respectively communicated with the inner space of the shell. After the device is sleeved on a tooth to be subjected to sand blasting treatment, a relatively closed space is formed around the tooth, so that sand grains cannot be splashed everywhere in the treatment process, soft tissue mucosa in an oral cavity and a tongue cannot be hit by the sand grains, and the sand grains cannot escape into air.

The utility model relates to the field of rail transit maintenance equipment, in particular to a subway turnout slide plate. A bedplate is fixed on a base plate, anchor bolt holes are formed in the two ends of the base plate, the anchor bolt holes are long holes, the outer edges of the long holes are provided with lower buckle plates and long-edge teeth of the lower buckle plates, upper buckle plates are provided with teeth matched with the lower buckle plates, the upper buckle plates are provided with anchor bolt fixing holes, the fixing holes correspond to the anchor bolt holes in position, and the lower buckle plates are meshed with the upper buckle plates through the teeth. The anchor bolt holes of the slide plate are designed to be of a long hole distance adjusting structure, the adjustable range of the anchor bolt holes ranges from-10 mm to + 10 mm, adjustment within the range of + / -10 mm can be completed by a single person, the slide plate has higher universality and stability, inventory types are greatly reduced, spare part management efficiency is improved, daily maintenance work is simplified, and operation and maintenance cost is reduced.

An iron core piece of a stator iron core of an axial gap motor, which is formed by pressing soft magnetic powder coated with an insulating material, is provided with: a tooth part which extends in a first direction and has a circumferential surface around which a winding is wound; a first flange portion disposed on one side of the tooth portion in the first direction; and a second flange portion disposed on the opposite side of the first flange portion in the first direction of the tooth portion. The tooth portion has: a tooth portion inner side surface and a tooth portion outer side surface facing each other in the second direction; and a tooth part first side surface and a tooth part second side surface which are connected to the tooth part inner side surface and the tooth part outer side surface and face each other in the third direction. The tooth portion first side surface and the tooth portion second side surface are disposed parallel to each other and extend linearly in the second direction.

The present application relates to a kind of glass substrate support basket, including basket frame (1) and glass holder (2) being arranged at the bottom of basket frame (1), the glass substrate is placed in basket frame (1), glass limiting side tooth (3) is equipped inside basket frame (1), glass guiding mechanism (4) is equipped above glass limiting side tooth (3), glass limiting side tooth (3) and glass guiding mechanism (4) are set in the same direction, the three-dimensional collaborative function system of the upper guide, the middle limiting, the lower support is constructed, the insertion motion trajectory of glass substrate is limited to single vertical direction, reduce the condition that glass substrate collides, scratches, extrusion due to lateral deviation, position deviation in insertion process, improve glass substrate limiting effect while reducing operation difficulty.

The utility model discloses a kind of adjustable ratio fertilizing devices for citrus planting, including water and fertilizer storage tank, the right front end of water and fertilizer storage tank top is fixedly connected with support plate, and the upper end of the inner surface of support plate is movably connected with knob, the tail end of knob is fixedly connected with measuring cylinder, and the back of measuring cylinder is fixedly connected with first electric telescopic rod, and the telescopic end of first electric telescopic rod is fixedly connected with first support, and the tail end of first support is fixedly connected with piston plate. The utility model controls first electric telescopic rod telescopic, can be driven piston plate up and down by first support, so as to adjust the volume of the upper part of measuring cylinder cavity, so as to facilitate people to accurately control the proportion of fertilizer and water body, then rotate knob by hand can be measuring cylinder overturn, control motor rotation, can be driven stirring blade rotation by single side tooth synchronous belt, so as to carry out mixing treatment to raw material in water and fertilizer storage tank, improve fertilization effect.

The invention discloses a full-charging self-switching high-speed charging pile, and particularly relates to the technical field of charging piles, the full-charging self-switching high-speed charging pile comprises a charging host, a charging gun, a side toothed plate, a side switching piece and an internal switching piece, and the charging gun is arranged on one side of the charging host; side toothed plates are slidably connected to the two sides of the charging gun, and a side switching piece is installed between the two side toothed plates. The inner toothed plate slides on one side of the inner wall of the charging gun, and an inner switching piece is installed on the inner toothed plate. According to the invention, the charging pile can flexibly realize rapid switching between multi-dimensional anti-pulling operation and multi-dimensional safe pulling operation according to the charging state, and the flexible usability of the charging pile is greatly improved, so that the problem that the charging pile is difficult to flexibly realize rapid switching between the multi-dimensional anti-pulling operation and the multi-dimensional safe pulling operation according to the charging state is solved; and the flexible usability of the charging pile is poor.

The utility model relates to the technical field of garbage crushing, in particular to a garbage crushing treatment machine which comprises a crusher base, an installation mechanism is arranged on the top of the crusher base, and an unfolding mechanism is arranged on the installation mechanism. And the mounting mechanism comprises two mounting plates, and the bottoms of the two mounting plates are fixedly connected with the crusher base. The device has the beneficial effects that a mounting mechanism and an unfolding mechanism are matched with each other, so that a rotating plate is rotationally unfolded, the device can be opened from the two sides, the interior is overhauled and cleaned, meanwhile, a fixing plate is arranged on the rotating plate, crushing side teeth can be inserted into inserting grooves through inserting blocks, and when the rotating plate is rotationally closed, the crushing side teeth can be crushed. The crushing side teeth are fixed through the fixing blocks, finally the fixing mechanisms are clamped out of the clamping grooves, and rapid fixing operation is conducted, so that rapid replacement of the crushing side teeth is achieved, and the mounting and dismounting efficiency of the device is effectively improved.