105results about How to "Same distance" patented technology

The invention relates to the technical field of laser tapping, in particular to a portable steel pipe laser tapping machine. Comprising a laser cutting head, a driving motor, a mounting cylinder, a connecting plate, a compression spring, a fixing assembly and the like, the laser cutting head is slidably connected with the mounting cylinder, the connecting plate is connected to the outer wall of the laser cutting head, the compression spring is connected with the mounting cylinder and the connecting plate, and the fixing assembly is used for fixing the position of the driving motor. And then the driving motor drives the mounting cylinder to rotate, and the laser cutting head can be driven to rotate with the output shaft of the driving motor as the center point so as to accurately draw a circle and open a hole in the surface of the steel pipe body. The position of the driving motor can be fixed through the switch magnetic base, then through the action of the driving motor, the laser cutting head can be driven to rotate with the output shaft of the driving motor as the center point to conduct precise circle drawing and trepanning on the surface of the steel pipe, in this way, the situation of trepanning deformation can be prevented, and the trepanning effect is guaranteed.

The invention relates to the technical field of medical instruments, and discloses a wearable obstructive sleep apnea early warning device which comprises a mask, an air pipe connector and two sets of fixing bandages, the air pipe connector communicates with the mask and is installed at the position, close to nostrils, of the mask, and the two sets of fixing bandages are installed on the two sides of the mask correspondingly; a nasal cavity rod is arranged at the position, close to the air pipe connector, in the mask. A rotating shaft is arranged on the outer side of the end, away from the airflow sensor, of the nasal cavity rod. Through the arrangement of a torsion assembly, a first limiting assembly, a nasal cavity rod and an airflow sensor, the airflow sensor is rapidly and accurately inserted into the nasal cavity, so that rapid and accurate wearing of the mask is achieved, the monitoring accuracy of the airflow sensor is improved, the data monitoring accuracy is improved, and by combining the design of a fixing bandage of the mask, the practicability is high. Meanwhile, the mask can be prevented from falling off due to turning of the patient in the sleeping process, and monitoring continuity and accuracy are improved.

The utility model relates to the technical field of electromechanical engineering construction, and discloses an on-site monitoring device for electromechanical engineering construction, which comprises a camera stabilizing platform and a movable base, the camera stabilizing platform is positioned above the movable base, and the bottom of the camera stabilizing platform is fixedly connected with three upper hinge seats. And the three upper hinge seats are circumferentially arranged relative to the bottom of the camera stabilizing platform. According to the on-site monitoring device for electromechanical engineering construction, through synchronous expansion or contraction of a sliding roller, a sliding block and a lower hinge seat and rotation of a connecting rod and a linkage rod, accurate control over the height of a camera stabilizing platform is achieved, the height of a camera can be changed, and the situation that a shot picture is blurred due to the fact that supporting legs are adjusted one by one is avoided; when a camera or equipment is fixed on the camera mounting platform, the camera or equipment can be kept stable in the horizontal direction, vibration and shaking caused by inclination or instability due to movement can be reduced, and clearer and more stable shot images can be obtained.

The utility model discloses a metal plate feeding structure for a laser cutting machine, which comprises a working table and an auxiliary table, a cutting piece is arranged at the top of the working table, a feeding mechanism is arranged between the working table and the auxiliary table, and the feeding mechanism comprises a first sliding frame and a second sliding frame. The first sliding frame and the second sliding frame are both fixedly installed on one side of the workbench, the first sliding frame is arranged above the second sliding frame, the end of the first sliding frame is fixedly connected with a material frame used for loading metal plates, and a plurality of material pushing pieces used for pushing the metal plates to the workbench are arranged in the second sliding frame. According to the metal plate feeding device, the plurality of material pushing pieces can be driven by the driving piece to slide in a reciprocating mode, metal plates are pushed to a machining position one by one through the material pushing pieces, automatic feeding of the metal plates is achieved, the frequency and strength of manual carrying and feeding of workers are reduced, the working comfort of the workers is improved, and the overall production efficiency is greatly improved.

The invention discloses cleaning equipment for automobile part machining, the equipment comprises a first rotating frame, a second rotating frame, a clamping mechanism, a spray-washing mechanism, a conveying mechanism, a fixing frame and a driving mechanism, the fixing frame is vertically and fixedly arranged on the ground, the first rotating frame is coaxially and rotatably arranged above the fixing frame, and the second rotating frame is coaxially and rotatably arranged above the fixing frame; a plurality of second rotating frames are arranged on the peripheral side of the first rotating frame in a surrounding mode, the second rotating frames are horizontally and rotatably arranged on the peripheral side of the first rotating frame, a clamping mechanism is arranged at the ends, away from the first rotating frame, of the second rotating frames, a spray washing mechanism is arranged above the clamping mechanism, and the conveying mechanism is arranged on one side of the first rotating frame. The cleaning device overcomes the defects that according to an existing cleaning device, automobile parts need to be placed in a cleaning box to be cleaned, the cleaning efficiency is low, and the cleaning device is not suitable for assembly line production. The cleaning equipment for automobile part machining is suitable for flow line production and can conduct double-face cleaning on automobile parts.

The utility model provides an advertising board mounting frame, and relates to the technical field of advertising board mounting, the advertising board mounting frame comprises a stand column and a clamping structure, a linkage rod is arranged in the stand column, threaded rods are machined at the two ends of the linkage rod, two gears are arranged at one end of one threaded rod, and a control hand wheel is connected to the top of one gear in an inserted mode; a round rod is machined at one end of one threaded rod, and a prism rod is machined at one end of the other threaded rod. The two clamping structures comprise supporting columns, the exteriors of the two ends of the supporting columns are slidably connected with movable sliding frames, and positioning plates are machined on the surfaces of one sides of the movable sliding frames; according to the technical key points, a control hand wheel is rotated at the bottom of a stand column, two gears are used for controlling a prism rod to rotate, threaded rods machined at the two ends of a linkage rod synchronously rotate, the threaded connection relation between the two threaded rods and two supporting columns is adjusted, and an advertising board can be clamped and fixed; the device is not limited by the height of the advertising board, the height of workers and the length of the stand column, and applicability is high.

The invention discloses a quartz crystal oscillator electric cleaning feeding mechanism based on a new energy automobile, which comprises a base frame, a cleaning frame is mounted at the bottom of the inner side of the base frame, two mounting frames are arranged on the left side of the cleaning frame, and the two mounting frames are fixed on the inner side of the base frame; shaft columns are installed at the upper ends and the lower ends of the front side and the rear side between the two installation frames through bearings, the stud, the supporting strips and the first oil liquid assembly are matched, the number of the supporting strips in the lifting basket is correspondingly adjusted according to different lengths of crystal oscillator pins, then the first oil liquid assembly is used for adjusting the distance between the increased supporting strips, and the decreased supporting strips are taken out from the corresponding positions. Through cooperation of a transmission assembly and a second oil liquid assembly, the positions of an electric push rod and a first belt are correspondingly and adaptively adjusted in the process that the positions of the supporting strips are adjusted due to changes of the number of the trays in the lifting basket, and therefore the supporting strips can be adjusted in a matched mode. And the conveying position self-adaptive adjusting effect is achieved.

The invention relates to the technical field of crystallizers for continuous casting equipment, and provides a continuous casting crystallizer which comprises a frame, passing openings, a plurality of sliding mechanisms, a shaping mechanism and a water supply mechanism, a plurality of driving shafts are arranged on the two sides of the frame, and the two passing openings are formed in the upper side and the lower side of the frame respectively. The multiple sliding mechanisms are circumferentially arranged in the frame, the multiple shaping mechanisms are arranged on the sliding mechanisms and used for driving the shaping mechanisms to slide on the frame, the multiple shaping mechanisms correspond to the sliding mechanisms in a one-to-one mode, the multiple shaping mechanisms are slidably connected, and the shaping mechanisms are used for cooling and shaping molten steel. The water supply mechanism is arranged on the frame, the water supply mechanism is connected with the multiple shaping mechanisms, the water supply mechanism is used for supplying water to the shaping mechanisms for cooling, and through the technical scheme, the problem that in the prior art, when a traditional crystallizer conducts steel bar forming, the size of a steel bar is difficult to adjust flexibly is solved.

The invention relates to the technical field of spraying, in particular to a spraying device based on hydropower station pipeline processing, comprising: a support column coaxially arranged with a to-be-sprayed pipeline and used for bearing other parts; the walking assembly is used for driving the supporting column to walk in the pipeline to be sprayed; the spraying assembly is arranged in the middle of the supporting column; the walking assembly comprises a driving ring which slides in the axis direction of the supporting column; the first adjusting assemblies are evenly distributed around the supporting column in a circumferential array shape. Each first adjusting assembly comprises two first swing rods arranged in parallel, and one ends of the two first swing rods are rotationally connected with the supporting column. An adjusting plate is further included, a walking mechanism is arranged on the adjusting plate, and the other ends of the two first swing rods are rotationally connected with the adjusting plate; one end of the sliding block is rotatably connected with the driving ring, and the other end of the sliding block is slidably connected with one of the first swing rods; the position of the nozzle can be automatically changed along with the robot adapting to the inner diameters of different pipelines, independent adjustment is not needed, and efficient and uniform spraying of the inner walls of the pipelines with different diameters is achieved.

The utility model discloses a flame cutting device for a large-diameter steel pipe, which is applied to the machining process of a large-diameter spiral welded steel pipe, is more stable in the cutting process by arranging a triangular spherical positioning mode, and is more stable in the cutting process by matching with an elastic buffer structure and an adjusting control structure at the rear end. Meanwhile, the distance between a cutting gun of the flame cutting device and the surface of the steel pipe is kept consistent all the time, and the flame cutting device is not influenced by factors such as large caliber, overall out-of-roundness and large outer diameter deviation of the steel pipe, so that the end face of the pipe is flush during cutting, the pipe orifice and the groove angle are consistent, and the cutting efficiency is improved. And the requirement of directly performing butt welding after the steel pipe is cut is met.

The invention relates to the technical field of metal guardrail machining, and discloses a welding device for metal guardrail machining, which comprises a workbench, the top of the workbench is fixedly connected with a top plate through a support column, and the workbench is provided with a fixing mechanism. The fixing mechanism comprises a first moving groove, a first electric push rod, a hinge block, a first hinge rod, a first moving block, a first placing seat, a fixing plate, a threaded rod, a threaded block, a sliding groove and an abutting plate. According to the welding device, the two transverse rods can be fixed by arranging the first placing base, the fixing plate, the threaded rod, the threaded block, the sliding groove and the abutting plate, the stability during welding is improved, the two transverse rods can be driven to move relatively by arranging the first moving groove, the first electric push rod and the hinge block, adjustment is conveniently conducted according to the length of the vertical rod, and the welding efficiency is improved. Therefore, the transverse rods and the vertical rods are in butt joint, a complete guardrail is formed, follow-up welding is facilitated, and the welding efficiency is improved.

The invention discloses paint spraying equipment for furniture processing. The paint spraying equipment comprises a reciprocating paint spraying machine; the reciprocating paint sprayer comprises a base. Side plates are mounted on two sides of the base at the top of the base; rotating rollers which are uniformly arranged are rotationally connected between the two side plates; a case is jointly mounted on the two side plates; a reciprocating spraying mechanism is mounted in the case; the reciprocating spraying mechanism comprises two U-shaped plates with opposite openings; the ends of the two sides of the two U-shaped plates are jointly and fixedly connected with a mounting plate. A first screw rod is fixedly connected between the two mounting plates; a driving box is slidably connected between the two U-shaped plates; a spray head is mounted at the bottom of the driving box; the first screw rod penetrates through the interior of the driving box; and a turning mechanism is arranged in the driving box. By arranging the reciprocating spraying mechanism, the stroke of reciprocating motion of the driving box and the spray head can be automatically adjusted, and the stroke of reciprocating motion of the spray head does not need to be manually adjusted.

The invention discloses a cylindrical plane test block supporting structure for ultrasonic water immersion detection, and belongs to the technical field of ultrasonic water immersion detection. The problems that in the prior art, the detection efficiency is low, and a probe is prone to being damaged are solved. The supporting structure body comprises a shell with an opening in the upper end, an inner support is arranged in the shell, the inner support and the cylindrical plane test blocks are sequentially placed in the shell, the bottom face of the inner support is attached to the bottom face of the shell, the top face of the inner support is attached to the bottom faces of the cylindrical plane test blocks, the top faces of all the cylindrical plane test blocks are coplanar, and the shell is provided with a window. The cylindrical plane test block supporting structure for ultrasonic water immersion detection is used for ultrasonic water immersion detection, the top surface of each detection test block is located on the same plane, it is guaranteed that the water distance between a probe and the top surface of each test block is consistent, detection of test blocks of different lengths can be achieved only by translating the probe in the test block detection process, and the detection efficiency is improved. The time for moving and adjusting the water distance each time is shortened, and the detection efficiency is greatly improved; the probe is prevented from moving and colliding with the test block.

The utility model relates to the technical field of herbicide production, and discloses anti-pollution filling equipment for herbicide production, which comprises a base plate, the top of the base plate is fixedly connected with a fixed box, the top of the outer wall of the fixed box penetrates through and is fixedly connected with a second air cylinder, and the output end of the second air cylinder is fixedly connected with a movable box. Two fixing blocks are fixedly connected to the bottom of the inner wall of the fixing box, square plates are fixedly connected to one sides of the two fixing blocks, a motor is fixedly connected to one side of the square plate on one side, a rotating shaft is fixedly connected to the output end of the motor, and two driving bevel gears are fixedly connected to the outer ring of the rotating shaft. According to the device, the first air cylinder is started to drive the moving plate and the limiting groove to move, the guide plate rotates to guide the filling bottles, then the motor is started to drive the driving bevel gear and the rotating shaft to rotate, and the clamping plate moves to clamp the filling bottles, so that the distances between the filling bottles are the same, and scattering of herbicides is reduced.

This application relates to the technical field of connecting old and new buildings, and in particular to a connection structure and construction method for an existing building and a new building, including existing components, new components, and connecting components. The existing components include an exterior wall and a floor slab, with the floor slab fixedly connected to the exterior wall. The new components are located on one side of the existing components and include a roof and a supporting wall. The roof and the floor slab are on the same horizontal plane, and the supporting wall is located at the bottom of the roof. The connecting components include connecting steel bars and supporting steel bars. One end of the connecting steel bar is fixedly connected to the floor slab, and the other end extends through the exterior wall and is fixedly connected to the roof. One end of the supporting steel bar is fixedly connected to the roof, and the other end abuts against the exterior wall. The connecting steel bars between the roof and the floor slab share the overturning force of the existing components, while the supporting steel bars increase the contact area between the roof and the supporting wall. This application has the effect of dispersing the local stress at the connection point of the connecting steel bars between the existing and new components.

The invention discloses an automatic water regimen measuring and forecasting device which comprises a river bank, a supporting column is arranged on the top face of the river bank, a supporting frame is slidably connected to the outer side of the supporting column, an extending arc rod is slidably connected to the interior of the supporting frame, and a measuring and forecasting mechanism comprises a worm, a protective fixing shell, a motor, a convex column and an air bag. The worm is rotatably connected to the top side of the supporting frame, the protective fixed shell is fixedly connected to the top end, away from the supporting column, of the supporting frame, and the motor is fixedly connected to the interior of the protective fixed shell. The distance of the detector extending into the water surface every time is ensured to be consistent, the interference of the depth of detected water on the detection of trace elements is reduced, meanwhile, the air bag and the part connected with the air bag are kept dry through natural ventilation or sunlight irradiation, and the parts are prevented from being corroded or damaged due to the influence of moisture.

The utility model provides a double-headed turning clamp convenient for fixing a workpiece, relates to the technical field of double-headed turning clamps, and aims to solve the problems that when the conventional double-headed turning clamp is used and the workpiece is mounted, the workpiece cannot be ensured to be positioned in the center and the two sides of the workpiece cannot be simultaneously cut and processed. The body is of a rectangular structure. The mounting component is mounted at the bottom of the processing component; the rotating assembly is mounted at the top of the mounting assembly; the fixing frame is fixedly mounted on the top side of the fixing part; the moving groove is formed in the fixing frame; the adjusting piece is rotationally mounted on the fixing frame; and the aligning piece is slidably mounted in the moving groove. By rotating the adjusting part, the adjusting part drives the aligning part to move in the moving groove when rotating, the aligning part is of a cylindrical structure and then makes contact with the two sides of the workpiece, the position of the workpiece is limited in an auxiliary mode, the workpiece is kept in the middle position, and therefore it is guaranteed that the distances between the two sides of the workpiece are the same; and therefore, the uniformity of the two sides of the workpiece during cutting is ensured.

The utility model discloses a convenient wire arrangement device for wind power generation installation, including wire arrangement frame, clamping mechanism and running component, the clamping mechanism includes rotary lever, sliding block, spring, positioning rack and auxiliary assembly the auxiliary assembly includes fixed plate, first bolt and gyro wheel, the running component includes second bolt, third bolt, fixed part and movable part, under the mutual cooperation of above -mentioned mechanism, this device passes through the clamping mechanism fixed cable, avoids the cable displacement because of wind vibration or unit yaw rotation, reduces friction loss, in addition, the clamping block of this device can move along the slide rail to position quickly, reduces manual adjustment time, and the clamping block can move along the slide rail, and accurate matching wiring requirement, and the distance between each cable is same, thereby more beautiful.

The utility model discloses a reinforcing mesh welding formwork, which relates to the technical field of engineering construction and comprises a base plate, a plurality of transversely arranged vertical mechanisms are fixedly connected to the middle of the upper surface of the base plate, and a plurality of vertically arranged transverse mechanisms are fixedly connected to the front sides of the vertical mechanisms. The front sides of the transverse mechanisms are fixedly connected with a plurality of fixing mechanisms which are transversely arranged, and the positions, close to the four corners, of the lower surface of the base plate are fixedly connected with four supporting legs which are distributed in a rectangular mode. According to the reinforcing mesh welding formwork, the first motor drives the first shear fork type telescopic assembly to stretch out and draw back so as to adjust the distance between every two transverse supporting plates, and the second motor drives the second shear fork type telescopic assembly to stretch out and draw back so as to adjust the distance between every two fixing mechanisms. And therefore, the distances among all the fixing mechanisms are quickly and accurately adjusted, the working efficiency is improved, and meanwhile it is guaranteed that the distances among all the fixing mechanisms are consistent.

The invention provides a gallstone removing device for a gallstone operation, and belongs to the technical field of medical instruments. Comprising a minimally invasive channel, a puncture needle tube is inserted in the minimally invasive channel, a supporting tube is inserted in the puncture needle tube, one end of the supporting tube is fixedly connected with a grab handle, the other end of the supporting tube is fixedly connected with an expansion opening, a fixing plate is fixedly connected to the outer wall of the supporting tube, and three sliding blocks are fixedly connected to the inner wall of the expansion opening; two supporting frames are fixedly connected to the outer wall of the top of the grab handle, and a through hole is formed in the grab handle; the clamping assembly is used for clamping gall-stone in the gall bladder of a patient, and the cutting assembly is used for chopping large gall-stone in the gall bladder of the patient. By arranging the cutting assembly, a doctor can cut up the large stone in the gall bladder, if the large stone is not cut, the operation time can be prolonged or the incision on the outer wall of the gall bladder is torn, and the postoperative recovery is influenced. By means of the cutting assembly, a doctor can directly cut the stone during clamping, tools do not need to be replaced, and the operation time is shortened.

The invention relates to an automatic tool wear detection device, comprising a spindle box, a working platform and a detection component; the output end of the spindle box is connected with a tool, the spindle box can drive the tool to move in the X, Y and Z directions, and the spindle box can also drive the tool to rotate; the working platform is arranged below the spindle box; the detection component is used to measure the position of the tool in the X, Y and Z directions; the detection component comprises a tool setting sensor, and the tool setting sensor comprises an X-direction tool setting surface, a Y-direction tool setting surface and a Z-direction tool setting surface; the invention drives the tool to contact the X-direction tool setting surface, the Y-direction tool setting surface and the Z-direction tool setting surface of the tool setting sensor respectively through the spindle box, calculates the displacement difference of the spindle box in the X, Y and Z directions during the initial tool setting and the actual detection, and then obtains the tool wear amount; the machining center performs real-time detection of the tool according to the tool wear amount, and the detection can be performed without removing the tool, thereby greatly improving the detection efficiency and detection accuracy and reducing the work intensity of workers.

The present invention relates to a rotating pellet drop strength detection device and a method for using the same, wherein the rotating pellet drop strength detection device comprises a fixed frame and a rotating frame, the rotating frame is fixed with two loaders respectively located on the upper and lower sides of a transverse hinge shaft, the loaders are provided with a plurality of tapered holes extending vertically, the tapered holes on the two loaders are respectively coaxially arranged, the tapered hole of the upper loaders has a large diameter end facing downward, and the tapered hole of the lower loaders has a large diameter end facing upward; the loaders are provided with a plug hole extending in the horizontal direction and crossing each tapered hole, a plug plate is inserted in the plug hole of the upper loaders, the pellets are located in the tapered holes and supported on the upper surface of the plug plate. The present invention realizes the drop strength detection of multiple pellets at one time by arranging a plurality of tapered holes on the loaders, thereby greatly improving the detection efficiency; the two loaders are fixedly connected to the rotating frame, so that the distance between the two loaders is fixed and unchanged, thereby ensuring that the distance of the pellets falling each time is consistent.

The invention discloses a perforating device for onion seedling transplanting, which comprises a frame, a moving wheel, a gasoline engine mounted on the frame, a support shaft, a driving part and a perforating assembly, the moving wheel is mounted on the frame through the support shaft, the gasoline engine is matched with the support shaft to drive the moving wheel to rotate, and the moving wheel moves; the driving parts are symmetrically arranged on the two sides of the frame and connected with the supporting shaft, the punching assembly comprises two rotating rods arranged in parallel, a fixing shaft, a supporting rod, a support, a lifting plate and a punching cone arranged at one end of the lifting plate, and the driving parts are connected with the fixing shaft on one rotating rod. The device is convenient to move due to the arrangement of the moving wheels, the purpose of punching soil after soil turning can be achieved due to the arrangement of the punching assembly, it can be guaranteed that the distances between punched holes are the same, and the punching efficiency and the punching quality are greatly improved.

The invention discloses a humidifying mixer and a control method thereof.The humidifying mixer comprises a mounting frame, a rolling frame is mounted at the upper end of the mounting frame, a mixing drum is mounted at the upper end of the rolling frame, an auxiliary frame is mounted at the upper end of the mounting frame, a connecting frame is mounted at the side end of the mounting frame, and a connecting table is arranged at the end of the connecting frame; a baffle plate is mounted on the inner wall of the stirring barrel. According to the device, through the arrangement of the connecting table, the baffle, the rotating rod, the water pipe, the spraying head and the uniform spraying assembly, internal materials can be in a throwing shape when falling, the throwing heights and radians of the materials in different layers are different, and when the spraying head swings left and right, the uniform spraying assembly can make the spraying head have the front-back swinging function; and therefore, the spraying range of the spraying head is expanded, and materials of different layers can be humidified.

The invention relates to the technical field of induction heating, in particular to a safe explosion-proof high-frequency transformer which comprises a housing, a transformer body and the like. A transformer is mounted in the housing; the rear side of the transformer is communicated with an external power supply device through a cable. By pulling the sliding plate forwards, the front end of the sliding plate covers the left side and the right side of the heating head, so that the left side and the right side of a heated part of metal are covered, impurities on the surface of the metal are prevented from splashing towards a direction close to a worker through the sliding plate, the worker is prevented from being injured, and the safety of using the induction heating device is improved; the heating head moves on the surface of the metal workpiece through the roller, so that the distance between the heating head and the metal surface is always consistent, a worker can operate and move the housing conveniently, at the moment, the weight of the housing and the weight of a connecting part are transmitted to the metal surface through the roller, and the worker only needs to control the horizontal moving direction of the housing; and the burden of a worker in moving the housing is relieved.

The invention relates to the technical field of industrial electromechanical manufacturing, in particular to a cutting and welding machine tool for industrial electromechanical intelligent machining, which comprises a workbench, a base, a grinding device, a fixing mechanism and a linkage mechanism, the grinding device comprises a grinding mechanism and a first lifting mechanism, the first lifting mechanism comprises a U-shaped rack and a lifting driver, the grinding mechanism is arranged in the U-shaped rack, and the lifting driver is arranged at the bottom of the U-shaped rack; the fixing mechanism comprises a moving structure and a mounting plate, and the mounting plate is arranged at the upper end of the moving structure; the linkage mechanism comprises a second lifting mechanism and two linkage structures, the second lifting mechanism is arranged on the base, the two linkage structures are arranged on the two sides of the U-shaped rack correspondingly, and the linkage structures are connected with the U-shaped rack and the moving structure; the grinding mechanism and the two workpieces are linked through the linkage structure, the jumping phenomenon generated when the grinding disc makes contact with the workpieces is avoided, and therefore the machining stability is enhanced while the grinding face of the grinding disc is evenly utilized.

The utility model discloses a mining flame-proof coal quantity detection device, which relates to the technical field of coal quantity detection and comprises a mounting platform. And rotating motors are fixedly connected to the two sides of the mounting platform correspondingly, and the rotating end of each rotating motor is fixedly connected with a rotating plate. The spreading speed of ultrasonic waves in coal can change due to factors such as density and humidity of the coal, the thickness or the volume of the coal can be calculated by measuring the spreading time of the ultrasonic waves, the two sliding blocks are driven to move through stretching and retracting of the double-end telescopic rod, and the sliding blocks slide on the sliding rails to drive the adjusting rods to adjust, so that the coal thickness or the volume can be calculated. The adjusting rod can drive the height of the mounting frame to be relatively adjusted when the sliding block slides, the consistent distance between the ultrasonic sensor and the surface of the coal can be ensured by accurately adjusting the height of the mounting frame, and therefore the measuring precision is improved, and the position of the sensor can be rapidly adjusted through the adjusting device for coal layers with different thicknesses; and the measurement requirements of different layer thicknesses are met.

The present invention relates to the technical field of gear processing, and in particular to a drilling device and method for gear production and processing, comprising a positioning mechanism, an angle adjustment mechanism and a drilling mechanism; the positioning mechanism comprises a fixed plate and a positioning shaft, one end of the positioning shaft vertically passes through the center of the fixed plate; the angle adjustment mechanism comprises a docking rack and a linear moving structure, the teeth of the docking rack and the gear teeth of the gear can be meshed, and the docking rack can drive the gear to rotate at least one circle around the central axis of the gear, and the linear moving structure is used to drive the docking rack to reciprocate along the length direction; the drilling mechanism comprises a moving platform and a drilling structure, the fixed plate is connected to one end of the moving platform, a moving plate is arranged on the moving platform, and the drilling structure can move with the moving plate; the present invention arranges a positioning shaft, a docking rack, a linear moving structure and a drilling mechanism, thereby improving the processing accuracy, so that the distance between the holes processed on the gear and the center hole of the gear are the same.

The utility model relates to metal smelting equipment technical field especially relates to a kind of metal ingot edge scraping device. Including pedestal, lifting clamping mechanism, support and edge scraping mechanism, lifting clamping mechanism is located between two conveying chains, lifting clamping mechanism includes first telescopic part, ingot support plate and clamping piece, first telescopic part is fixed on pedestal, ingot support plate is fixed on the output end of first telescopic part upward extension, clamping piece is fixed on the end of ingot support plate, for clamping metal ingot, support is fixed with power component, the edge scraping mechanism is slidably arranged on support and located in the upside of metal ingot, power component drives edge scraping mechanism to move between two conveying chains, for scraping burr on metal ingot. After lifting clamping mechanism lifts the metal ingot on conveying chain, uses edge scraping mechanism to scrape burr on metal ingot, reduces the labor burden of worker.

The utility model discloses shot blasting and rust prevention treatment equipment for the inner wall of a steel pipe, and relates to the technical field of shot blasting and rust prevention for the inner wall of the steel pipe. Comprising a main body frame, one end of the main body frame is fixedly connected with an impeller head, and the side wall of the impeller head is fixedly connected with an anti-rust liquid sprayer. The multiple supporting frames move synchronously, so that when the multiple rotating wheels make contact with the inner walls of the steel pipes with different diameters, the main body frame is located in the dead center of the steel pipes all the time, and the distances between the shot blasting devices and the inner walls of the steel pipes are kept consistent when the shot blasting devices at the right end of the main body frame conduct shot blasting and rust removal on the inner walls of the steel pipes. And the shot blasting distances of the shot blasting devices are consistent, so that the acting force of shots shot out of the shot blasting devices on the inner wall of the steel pipe at the same speed is kept consistent, the shot blasting and rust removal uniformity of the inner wall of the steel pipe is further improved, and the probability of excessive rust removal or insufficient rust removal caused by different shot blasting force is reduced.