42 results about "Moving jaw" patented technology

A power vise including a body and a jaw connected to and extending from the vise body. The vise can also include an actuator extending at least partially through the jaw body, where the actuator can include a first end and a second end opposite the first end. The vise can include a moving jaw connected to the first end of the actuator. The vise can include a motor connected to the second end of the actuator, where the motor can be operable to move the actuator to move the moving jaw with respect to the fixed jaw, including a hammering or impacting function, and that such hammering or impacting can be performed after a predetermined delay. The vise can include a sensor configured to produce a signal based on a condition of the vise and to control the vise at least in part on using that signal.

This utility model discloses a practical adjustable wrench with a vertical handle, comprising a wrench body and an extension sleeve. The wrench body includes a wrench head, a fixed jaw integrally connected to the top of the wrench head, a movable jaw slidably connected to the other side of the top of the wrench head, and a handle integrally connected to the bottom of the wrench head. The extension sleeve is fitted onto the outside of the handle and is threadedly connected to the handle. A detachable handle is installed at the bottom of the extension sleeve. A connecting rod is rotatably connected inside the handle. The bottom of the connecting rod passes through the bottom of the handle and has a knob fixed at its end. The top of the connecting rod is placed inside the wrench head. A transmission mechanism is provided between the connecting rod and the movable jaw. The operation logic of installing the extension sleeve after adjusting the opening avoids the inconvenience of carrying the entire long handle into a narrow space, which is a traditional tool, and significantly improves the flexibility of initial positioning. The threaded connection structure between the extension sleeve and the handle forms a rigid whole.

This utility model discloses a rotatable bolt removal and installation tool, comprising: a wrench head, one end of which is provided with a fixed jaw and a movable jaw, the movable jaw being movably positioned close to or away from the fixed jaw; a fixing member, the other end of the wrench head being rotatably mounted on one end of the fixing member via a rotating pin; a first connecting member, one end of which is detachably connected to the other end of the fixing member; a second connecting member, one end of which is detachably connected to the other end of the first connecting member; and a sleeve, the other end of which is detachably connected to the sleeve. By applying this utility model, a rotatable bolt removal and installation tool is provided. The overall length of the wrench can be adjusted through the combination of connecting members to suit confined working environments; the angle between the wrench head and the fixing member can be adjusted through the rotating pin to suit the removal and installation of bolts located in corners, thereby improving work efficiency.

The invention relates to a rail vehicle active rail holding device which comprises a rail holding mechanism detachably installed at the bottom of a bogie, the rail holding mechanism comprises a connecting base, a driving air cylinder, swing arms and a clamping assembly, the connecting base is fixed to the bottom of the bogie, and the swing arms are symmetrically hinged to the left side and the right side of the connecting base; the clamping assemblies are correspondingly arranged on the swing arms on the left side and the right side respectively. The driving air cylinder is located above the swing arm and used for controlling the swing arm to swing so that the swing arm can drive the clamping assembly to swing up and down in the vertical direction. The fixed clamping jaw and the movable clamping jaw are located on the left side and the right side of the rail correspondingly, and the movable clamping jaw can be driven to be close to or away from the fixed clamping jaw under the action of the control assembly so that the rail can be clamped and fixed or loosened. The device is stable and flexible in structure, can adapt to different working conditions, effectively enhances the safety guarantee of the train under different road conditions such as straight lines and turnouts, and greatly improves the driving safety.

The utility model relates to the technical field of jaw crushers, and discloses a jaw crusher with a screening function, which comprises a working table, a crusher body is fixedly mounted at the top of the working table, a movable jaw plate is arranged in the crusher body, a fixed plate is fixedly connected to the bottom of the right side of the working table, and the movable jaw plate is fixedly connected to the bottom of the right side of the working table. A vibration motor is fixedly installed in the middle of the top wall of the fixing plate, a screening frame is fixedly installed at the top end of the vibration motor, electric telescopic rods are fixedly installed at the front end and the rear end of the left side of the bottom of the workbench correspondingly, and the output ends of the two electric telescopic rods are fixedly connected to the left ends of the front side and the rear side of the screening frame correspondingly. According to the utility model, the vibration motor is used for vibrating the screening frame for screening, the electric telescopic rod is used for regulating and controlling, qualified materials are conveyed away through the conveying belt, and unqualified materials enter the collecting box for circular treatment, so that efficient crushing and accurate screening of the materials are realized, and the production efficiency and the product quality are greatly improved.

The utility model relates to the technical field of jaw crusher, and disclose high -efficient stone block breaker, including the jaw crusher with crushing chamber, be equipped with fixed jaw plate and moving jaw plate in the crushing chamber, still include: crossbeam, through the support device and install above the crushing chamber opening, sliding groove, along the length direction of crossbeam set up on the crossbeam, sliding plate, slidingly install in sliding groove, the sliding plate fixed mounting is on the outer wall of impact cylinder, the output shaft of impact cylinder is downward. This high -efficient stone block breaker, through setting up impact cylinder above the crushing chamber, can carry out longitudinal impact crushing to the big rock or the multi -block accumulated stone material that stuck between fixed jaw plate and moving jaw plate, has improved the crushing efficiency significantly, has reduced the manual intervention, solved the problem of crushing failure that the stone material is caused to stick in the prior art.

The utility model provides a wrench which comprises a handle, a fixed jaw capable of rotating within a certain range is installed at the end of the handle, and a movable jaw capable of moving relative to the fixed jaw is arranged on the fixed jaw. A spring used for resetting is arranged between the handle and the fixed jaw, the spring is of a spiral structure and is arranged along the rotating center of the fixed jaw, the center end of the spring is connected to the handle, and the outer end of the spring extends outwards and is connected to the fixed jaw so as to provide resetting force after the fixed jaw rotates; the spiral spring structure is adopted to replace a traditional spiral cylindrical spring, the spring can be arranged along the rotating center of the fixed jaw in a plane mode, the structure is compact, the space between the handle and the fixed jaw is effectively saved, the problem that the spring interferes with the surrounding structure or is clamped is solved, and the service life of the spring is prolonged. Meanwhile, the problem of efficiency loss caused by inconsistency of the axis of the cylindrical spring and the movement direction of the wrench can be solved, stable and reliable reset force can be provided, the controllability of the wrench is improved, and the service life of the wrench is prolonged.

The invention relates to the technical field of crushing devices, and particularly discloses a metal slag graded crushing device which comprises a rack, a movable jaw, a fixed jaw and a crushing plate arranged on the movable jaw or the fixed jaw. The crushing plate is divided into a plurality of module plates capable of being independently disassembled and assembled in the vertical height direction, and the multiple module plates are sequentially stacked to form the complete crushing plate. The module plate is matched and mounted with guide grooves correspondingly formed in the movable jaw and the fixed jaw through a guide structure arranged on the back of the module plate, so that a crushing load generated in the crushing process is transmitted to the rack through the guide structure; the movable jaw and the fixed jaw are each provided with a pressing structure used for pressing the uppermost module plate and the lowermost module plate, and the modular design of the crushing plate is achieved by dividing the crushing plate into the multiple module plates capable of being independently disassembled and assembled. By means of the design, the lowest module plate which is worn most seriously in the crushing process can be replaced independently, and the situation that a traditional whole crushing plate is integrally scrapped due to local wear is avoided.

The utility model discloses a jaw crusher capable of preventing blockage of a machine inlet, which relates to the technical field of jaw crushers and comprises a crusher body, the crusher body is provided with the machine inlet, a movable jaw plate and a fixed jaw plate, the movable jaw plate and the fixed jaw plate are positioned on opposite side walls in the machine inlet, and the movable jaw plate moves close to and away from the fixed jaw plate circularly and alternately. The inserting hole is obliquely formed towards the lower portion of the side away from the fixed jaw plate, and a tamping hammer is inserted into the inserting hole in a sliding mode. The ramming hammer can move in the inserting hole in a reciprocating mode, and the end, located in the machine inlet, of the ramming hammer can conduct crushing operation on one side edge in the machine inlet. According to the utility model, the plurality of ramming hammers are used for ramming upwards in a multi-point inclined manner on the inner side of the machine inlet while the mineral aggregate is crushed, so that the effect of pushing large-particle mineral aggregate upwards to wriggle is achieved, and the situation that the large-particle mineral aggregate is blocked in the machine inlet to cause blockage of the machine inlet is avoided; and meanwhile, a plurality of ramming hammers can be used for crushing large-particle mineral aggregates, a specially-assigned person does not need to be arranged for guarding, the cost is reduced, and the device is simple and practical.

The invention belongs to the technical field of crushers, and particularly relates to a phthalocyanine blue pigment crude product pressure crushing all-in-one machine which comprises a shell. A feeding hole is formed in the top of the shell; a discharge hole is formed in the bottom of the shell; the inner wall of one side of the shell is fixedly connected with a fixed jaw plate; a movable jaw plate is arranged on the side, away from the fixed jaw plate, in the shell. The top of the movable jaw plate is rotationally connected with a pair of transmission plates; a straight rod is fixedly connected between the two transmission plates; the ends, away from the movable jaw plate, of the two transmission plates are rotationally connected with a rotary disc. Driving wheels are fixedly connected to the sides, away from each other, of the two rotating discs, a pressing rod at a supporting frame is driven by a driving assembly to be inserted into and lifted up towards the position between a movable jaw plate and a fixed jaw plate, so that the crushing effect on the pigment cakes between the movable jaw plate and the fixed jaw plate is achieved, and excessive pigment cakes are prevented from slipping; and the pigment is accumulated between the movable jaw plate and the fixed jaw plate, so that the crushing efficiency of the pigment is influenced.

The utility model relates to the technical field of hardware tools, and discloses an adjustable double-opening wrench which comprises a connecting rod, a wrench head, a movable jaw plate, a telescopic assembly, a sliding assembly and an auxiliary assembly. A wrench head is fixedly arranged at the end part of the connecting rod; a movable jaw plate is arranged at the other end of the wrench head; the telescopic assembly is arranged on the connecting rod, the sliding assembly is arranged in the movable jaw plate, and the auxiliary assembly is arranged in the sliding assembly; according to the wrench, the connecting sleeve is connected with the connecting rod in an embedded mode, a user can conveniently adjust the length of the wrench according to operation space and torque by means of the clamping protruding head, the limiting plate, the positioning hole, the mounting hole and a hand-turning screw, various working conditions can be met, and convenience is improved; in the sliding assembly, a sliding groove, a button and a clamping groove are combined, so that the movable jaw plate is conveniently adjusted to be matched with nuts and bolts, and tool carrying is reduced; in the auxiliary assembly, a linkage rod, a fixing shaft and other components cooperate, smooth adjustment is guaranteed, the structure is reliable, and efficiency is improved.

The invention relates to the technical field of metal ore crushing, and particularly discloses a metal ore pretreatment device and system.The metal ore pretreatment device comprises a movable jaw piece and a pushing mechanism, the movable jaw piece comprises a supporting part, a movable jaw plate and a locking part, the supporting part and the locking part are both connected to the movable part, and the movable jaw plate is connected between the supporting part and the locking part in a limited sliding mode; the pushing mechanism comprises a second driving source, a transmission part and a pushing part, the second driving source is connected to the rack, the pushing part is installed on the moving part, the transmission part is connected between the second driving source and the pushing part, the pushing part is connected with the movable jaw plate, the second driving source drives the transmission part, and the second driving source drives the transmission part. The transmission part drives the pushing part to operate, so that the movable jaw plate is driven to transversely move back and forth; according to the metal ore pretreatment device and system, shearing force is generated on metal ore through reciprocating transverse movement of the movable jaw plate, and the metal ore is further crushed.

A forceps having an outer tube extending from a proximal portion to a distal portion and defining a longitudinal axis. A reciprocating inner tube can be located within the outer tube and extend along the longitudinal axis. A stationary jaw can be coupled to the distal portion of the outer tube and a moving jaw can be pivotably moveable relative to the stationary jaw. The moving jaw can be engaged with a portion of the reciprocating inner tube such that translation of the reciprocating inner tube pivots the moving jaw relative to the stationary jaw between an open and closed position.

This utility model discloses a construction waste crushing device, comprising a base, a drive motor, a crushing frame, an eccentric shaft, and a pulley assembly. The crushing frame contains a detachable fixed jaw plate and a movable jaw plate, the movable jaw plate being hinged to the crushing frame via a connecting rod. The device also includes a top-feeding assembly, whose pressure rod passes through the crushing frame and has a top-feeding rod. A torsion spring at the center of rotation of the pressure rod causes the top-feeding rod to approach the jaw plate gap. The top-feeding assembly further includes a fixed plate, a push rod, and an eccentric cam. When the eccentric shaft rotates, the eccentric cam presses against the push rod, causing the push plate to intermittently drive the pressure rod, causing the top-feeding rod to intermittently push into the gap. First and second pulleys are respectively provided at the mating points of the pressure rod and push plate, and the push rod and eccentric cam, to reduce friction. An inertia wheel is provided at one end of the eccentric shaft, and both the inertia wheel and the large pulley have weight-reducing holes. The large pulley also has reinforcing ribs. This device achieves automatic anti-jamming through mechanical linkage, has a compact structure, low energy consumption, and is suitable for efficient crushing of construction waste.

The invention relates to the technical field of stirrers, and discloses a motor-driven food stirrer and a food stirring method.The motor-driven food stirrer comprises a barrel body and a detachable barrel cover, a feeding opening is formed in the side wall of the barrel body, a stirrer is arranged in the barrel body and used for stirring materials, and a driving assembly and a crushing assembly are installed at the top of the barrel cover; the crushing assembly is installed at the bottom of the barrel cover, the driving assembly is used for driving the stirrer, the crushing assembly and the crushing assembly to operate, the crushing assembly comprises a fixed jaw plate and a movable jaw plate, and a discharging opening is formed between the fixed jaw plate and the movable jaw plate. Through the arrangement of the driving assembly, the stirrer, the crushing assembly and the crushing assembly, the stirrer is used for stirring food, crushing and crushing food raw materials which are large in particle size and not prone to dispersion are achieved, efficient and automatic pretreatment work is achieved, the functions of the stirrer are enriched, and the dispersion effect of the raw materials is improved; the stirring efficiency is improved.

The present application relates to the technical field of ore and construction waste crushing, and particularly relates to a mine jaw crusher integrated with a multi-axial magnetic flux motor and a control method, which comprises a driving unit, a driving assembly, and an auxiliary assembly arranged outside the driving assembly; a crushing unit, a crushing assembly arranged on one side of the driving assembly, and a protection assembly arranged on one side of the crushing assembly. The present application has the beneficial effect that the continuous rotation of the flywheels and eccentric wheels on both sides driven by the integrated multi-axial magnetic flux motor enables the periodic movement of the two moving jaws at the same time, and the material is crushed. Compared with a single-moving-jaw crusher, the material can be more efficiently crushed and discharged, which not only improves the crushing efficiency, but also ensures the stability and durability of the equipment, and improves the energy utilization rate and overall performance through the integrated multi-axial magnetic flux motor. The upper side guard plate, the middle side guard plate and the lower side guard plate are used for protecting the key components inside the crusher, reducing the damage to the machine caused by material abrasion.

The utility model discloses a pair of quick clamping pliers for a polishing platform. Comprising a clamp body, the top of which is provided with two parallel slide rails; the bottom of the adjustable fixed jaw is provided with a sliding groove matched with the sliding rail, and the two sides of the adjustable fixed jaw are provided with locking screws which are in rigid connection with a nut of the lead screw nut pair. A sliding groove matched with the sliding rail is formed in the bottom of the rapid moving jaw and connected with a push rod of the rapid clamping device. The two ends of a lead screw of the lead screw nut pair are fixed to one side of the vice body through bearing seats, and a rotating handle is arranged at the outward end of the lead screw. A base of the quick clamping device is fixed on the other side of the clamp body, and a push rod is driven to linearly move along a slide rail by pulling a quick clamping handle; and the working surfaces of the adjustable fixed jaw and the quick moving jaw are provided with magnetic replaceable soft clamping pads. The clamping device is suitable for small parts which are variable in shape and frequently clamped in the grinding process, the clamping efficiency is effectively improved, and potential safety hazards of operation are reduced.

This utility model relates to the field of crusher technology, specifically to a liner locking mechanism, including a moving jaw body and a moving jaw plate on a crusher. Two slide rails are welded to the left and right sides of the moving jaw body, or two slide rails are directly machined onto the moving jaw body. The two sides of the moving jaw plate slide down along the two sets of slide rails, and the lower end contacts a lower wedge block fixed at the bottom of the moving jaw body. A detachable cover plate is located at the top of the moving jaw body, blocking the high end of the moving jaw plate. The position of the moving jaw plate is fixed by the cooperation of the cover plate, the lower wedge block, and the slide rails. The structure is simple, easy to operate, and highly safe.

An electrosurgical forceps includes first and second shafts configured to rotate about a pivot to move jaw members between an open position and a closed position. A knife deployment mechanism is operably coupled to a knife and is configured to move the knife between a retracted position and an extended position. A knife lockout is configured to move between a first position wherein the jaw members are in the open position and movement of the knife from the retracted position to the extended position is prevented, a second position wherein the jaw members are in the closed position and movement of the knife from the retracted position to the extended position is permitted, and a third position wherein the jaw members are in the closed position and movement of the knife from the retracted position to the extended position is prevented.

The utility model discloses an arc-shaped movable jaw body of a jaw crusher, which comprises a movable jaw main body, a fixed base fixedly covers the front part of the movable jaw main body, a plurality of rows of mounting grooves are formed in the front of the fixed base, a plurality of crushing jaw plates are arranged in front of each row of mounting grooves side by side, and two sides of each crushing jaw plate are tightly adjacent to each other; matching seats are transversely fixed to the back faces of the crushing jaw plates, and the crushing jaw plates are combined in the mounting grooves in the corresponding rows in the mode that the matching seats transversely slide into the mounting grooves. The movable jaw has the beneficial effects that after the fixed base is anchored and fixed at the front part of the movable jaw main body, a plurality of rows of mounting grooves are formed in the front surface of the fixed base, so that a plurality of crushing jaw plates which are arranged side by side can be combined and arranged in each row of mounting grooves in a manner that matching seats on the back surfaces of the crushing jaw plates are in transverse sliding fit with the mounting grooves; and the crushing jaw plates at the corresponding positions can be conveniently and independently replaced subsequently according to the actual abrasion condition, and the replacement cost is reduced.

The invention discloses a crushing device based on ore rock processing, and relates to the technical field of ore rock processing, the crushing device comprises a base plate, a rack is stably mounted on the base plate, and a crushing mechanism is embedded in the rack; the crushing mechanism comprises a fixed jaw plate which is fixedly arranged on one side of the rack; one end of the movable jaw guard plate is rotationally connected with the surface of the fixed shaft, and the other end is hinged with the outer connecting frame; the movable jaw plate is assembled on the inner side of the movable jaw protection plate and is opposite to the fixed jaw plate; the outer sides of one ends of the connecting rods are hinged to the other ends of the outer connecting frames. A traditional spring reverse thrust design is abandoned, a linkage structure of the outer connecting frame and the inner connecting frame is adopted, the movable jaw protection plate and the movable jaw plate are directly driven to swing back and forth along the fixed shaft through vertical radian swing of the connecting rod, the structure does not need a spring to participate in reverse thrust, the problems of fatigue abrasion and elasticity attenuation of the spring are thoroughly solved, the replacement frequency of quick-wear parts is reduced, and the working efficiency is improved. The maintenance cost is reduced; meanwhile, linkage transmission of the connecting rod is more stable, and timely resetting of the movable jaw plate is ensured.

The utility model relates to a calcium carbonate jaw crusher device, which belongs to the technical field of crushers and comprises a machine body and a fixing frame which are arranged on the ground, the fixing frame is fixed on the rear side of the machine body, an auxiliary ash removal type crushing component is mounted on the fixing frame, a movable through hole and a feeding hole are formed in the top of the machine body, and a discharging hole is formed in the bottom of the machine body. According to the calcium carbonate crushing machine, a motor in the auxiliary ash removal type crushing assembly drives an eccentric part to drive a connecting rod and a movable jaw plate to complete efficient crushing operation on calcium carbonate, and under the driving of a synchronous part, the calcium carbonate can be crushed by the auxiliary ash removal type crushing assembly, so that the crushing efficiency is improved, and the crushing efficiency is improved. Blades on the connecting shaft rotate to form airflow, dust generated in the crushing process is automatically cleared away in cooperation with a filter plate on the side of the machine body, meanwhile, particle size grading can be conducted on crushed calcium carbonate through the grading discharging assembly, and the calcium carbonate utilization flexibility and the product quality are improved.

The application discloses a jaw crusher toggle plate failure online monitoring method, system, equipment and medium, which comprises the following steps: acquiring a measured fluctuation curve diagram of a moving jaw in a movement cycle; comparing the measured fluctuation curve diagram with a preset standard fluctuation curve diagram to obtain a first comparison result; if the first comparison result is that the toggle plate is running normally, returning to acquiring the measured fluctuation curve diagram of the moving jaw in the movement cycle; if the first comparison result is that the toggle plate is running abnormally, acquiring a measured motion trajectory diagram of the moving jaw in the movement cycle; comparing the measured motion trajectory diagram with a preset standard motion trajectory diagram to obtain a second comparison result; if the second comparison result is that the toggle plate is running normally, returning to acquiring the measured fluctuation curve diagram of the moving jaw in the movement cycle; if the second comparison result is that the toggle plate is running abnormally, sending an alarm information, and the application has the advantages of realizing online monitoring of toggle plate failure and high monitoring precision.

This invention belongs to the field of control, specifically a method and system for graded crushing control of construction waste. It includes achieving refined crushing through multimodal sensing and collaborative control, acquiring multi-view texture images of the primary crushing chamber inlet; constructing a gray-level-gradient co-occurrence matrix and analyzing singular value entropy to represent the hardness dispersion of waste components, thereby adjusting the tilt angle of the moving jaw plate; extracting acoustic emission signals from each chamber, reconstructing the energy spectrum using wavelet packet transform, and calculating the KL divergence with the empty energy spectrum as a real-time load index; if the fractal dimension of the final stage aggregate projection profile exceeds the shaping threshold, extracting the secondary chamber load index to construct an attenuation function, generating a frequency correction factor to adjust the eccentric shaft speed, and combining the hardness and load weighted results to collaboratively control the inter-stage screening throughput, thus restoring the fractal dimension. This invention solves the problem of maintaining a balance between crushing throughput and energy consumption in the processing system, enabling intelligent graded crushing of construction waste.

This invention relates to the technical field of solid waste resource utilization equipment, and in particular to a waste concrete recycling material processing and crushing equipment, comprising a casing, a matrix-type self-compensating primary crushing module, and a differential-speed flexible kneading and stripping module. The matrix-type self-compensating primary crushing module includes a moving jaw plate and a stationary jaw base arranged opposite each other. Multiple sliding grooves are formed on the side of the stationary jaw base facing the moving jaw plate, and wear-resistant armor blocks are slidably installed in each of the sliding grooves. A wedge-shaped self-locking bearing mechanism is provided at the end of each wear-resistant armor block away from the groove opening. The differential-speed flexible kneading and stripping module is located below the matrix-type self-compensating primary crushing module. The differential-speed flexible kneading and stripping module includes a driving roller and a driven roller rotating in opposite directions, with the linear velocity of the driving roller being greater than that of the driven roller. This solves the problem of uneven jaw plate wear, achieves effective separation of mortar and aggregate, and improves the quality of recycled aggregate and the service life of the equipment.

The invention belongs to the technical field of quartz sand purification, and particularly relates to a refined quartz sand production and purification device which is characterized in that the refined quartz sand production and purification device comprises a feeding port, a pressure-resistant side plate which is detachably mounted is arranged at the bottom of the feeding port, and a supporting bottom frame which is detachably mounted is arranged on the side edge of the pressure-resistant side plate; by arranging the driving gear set and the driven gear set, multi-stage rotating speed control over the eccentric disc can be achieved, and then the vibration frequency of the movable jaw plate is controlled; after the rotating handle is manually rotated, the connecting straight rod is driven to rotate, the concave limiting groove connected with the connecting straight rod achieves left-right deviation of the position, then the driving gear set is driven to achieve left-right position conversion, the rotating speed of the driven gear set is changed through the meshing structure of different gears of the driving gear set and the driven gear set, and then the rotating speed of the driven gear set is controlled. Therefore, the rotating speed of the eccentric disc and the vibration frequency of the movable jaw plate are indirectly changed, and quartz sand raw materials between the movable jaw plate and the fixed jaw plate are finely crushed.

The invention relates to the technical field of crushing equipment, and provides an efficient jaw crusher and a crushing method.The efficient jaw crusher comprises a rack, a static jaw assembly and a movable jaw assembly which are matched with each other are arranged on the rack, a crushing cavity is formed between the static jaw assembly and the movable jaw assembly, baffles are arranged on the two sides of the crushing cavity, and the baffles are installed on the rack; two linear actuators are arranged on the side face of any baffle, a moving rod capable of stretching out and drawing back is connected between the two linear actuators, a mounting block is arranged on the moving rod, a plurality of drill bits are arranged on the inner side of the mounting block, and the drill bits are driven by a first motor; a square hole is formed in the side face of the baffle, and the drill bit corresponds to the square hole and can stretch into the crushing cavity. A laser sensor is arranged on the vertical plate, a protruding block is arranged on the movable rod, the laser sensor is matched with the protruding block, and the laser sensor is connected with a controller. The crusher can be used for better crushing.

The utility model relates to sand making machine technical field discloses a sand making machine of grading crushing, including first crushing chamber, still including first optical axis and crushing assembly, the bottom of first crushing chamber is provided with crushing assembly, the inside rotation of first crushing chamber is connected with first optical axis, the inside fixed connection of first optical axis has eccentric roll, the inside rotation of eccentric roll is connected with movable jaw plate, the inside fixed connection of first crushing chamber has fixed jaw plate. The bottom fixed connection of first crushing chamber has the hopper, the bottom fixed connection of hopper has second crushing chamber, by pouring stone between fixed jaw plate and movable jaw plate, by three times grading crushing to stone, prevent the user from producing loss when shifting and crushing stone, can reach the sandstone that can be used by the grading crushing chamber and can be crushed into stone, so that the user need not shift stone, prevent unnecessary loss in the process of shifting.

This utility model relates to the field of crusher technology and provides a jaw plate gap adjustment mechanism for stone crushing, comprising: a housing, wherein a fixed jaw plate is fixedly connected to one side of the inner wall of the housing. In this utility model, by manually turning the handle, the rotating rod and eccentric wheel rotate, pushing the block and insert rod outward, releasing the limiting position on the connecting block. With the cooperation of the anti-slip groove, the eccentric wheel can be locked with the connecting block. Then, by manually pulling the handle upward, the limiting rod disengages from the inside of the adjustment hole, releasing the limiting position on the connecting plate. Pushing the adjusting rod to one side causes it to slide along the inside of the connecting plate, thus adjusting the gap between the fixed jaw plate and the moving jaw plate. The elastic force of the spring prevents relative sliding between the sliding rod and the adjusting rod. This manual operation requires less effort and is relatively easy, thereby improving the efficiency of adjusting the gap between the fixed jaw plate and the moving jaw plate.

The utility model relates to garbage treatment technical field discloses a kind of efficient equipment for construction waste classification, including bearing plate one, the top front side of bearing plate one is fixedly connected with fixed jaw plate, the inside sliding connection of bearing plate one has moving jaw plate, the inside fixed connection of moving jaw plate has eccentric shaft, the bottom of moving jaw plate is remotely connected with two transmission shaft one, the fixed connection of bearing plate one has bearing column, the bottom fixed connection of bearing column has wind tunnel plate, the right side fixed connection of wind tunnel plate has counterattack broken crushing plate, the top fixed connection of counterattack broken crushing plate has bearing plate three, the top fixed connection of bearing plate three has power tearing arm. In the utility model, the classification of construction waste is realized, the construction waste is crushed by moving jaw component, and the classification of construction waste is achieved by different wind power of fan.