47results about How to "Avoid stuck situations" patented technology

The utility model provides a door lock transmission mechanism, which belongs to the technical field of door lock mechanisms, and comprises a lock block and a mounting lug fixed on the lock block, and further comprises an oil storage barrel arranged on the lock block, at least two mounting brackets are fixed on the oil storage barrel, mounting parts matched with the lock block are arranged on the mounting brackets, and the mounting lugs are arranged on the mounting brackets. The mounting part is used for dismounting the mounting support, and a lubricating assembly is arranged on the oil storage barrel and used for filling lubricating oil into the locking block. And the lubricating assembly is used for regularly and quantitatively oiling the locking block, so that jamming caused by long-term use is prevented, the smoothness of the locking block is improved, and the problem of jamming caused by insufficient lubrication is avoided.

This invention relates to the field of stainless steel pipe inner wall cleaning technology, specifically to a cleaning device and process for the inner wall of extra-long stainless steel pipes. The device includes a cleaning mechanism, an anti-deviation mechanism, an auxiliary feeding mechanism, and an active feeding mechanism. The cleaning mechanism comprises several rigid pipes. In this invention, motor one and motor two are started synchronously. Motor two drives a directly connected rotating shaft two to rotate, and two meshing gears follow the rotation. Multiple rubber sleeves on the two rotating shafts two cooperate with each other, rubbing against the outer walls of the rigid pipes and the outer walls of the flexible hoses, causing the brush section to move steadily forward inside the stainless steel pipe. Then, the rotating shaft one, directly connected to the motor, drives several sprockets one on its outer side to rotate. Through chain transmission, the sprockets two drive the reel to extend the flexible hose on its outer side. The flexible hose and the brush section move synchronously, thereby preventing the flexible hose from dragging the brush section, avoiding jamming of the brush section, and ensuring cleaning efficiency.

The present application relates to a kind of rotary compressor, gas compression system, refrigeration system and heat pump system, rotary compressor includes cylinder, piston, crankshaft, swing block and sliding vane, the compression chamber and swing groove are arranged inside cylinder, piston is arranged in the compression chamber, swing block is rotationally arranged in swing groove, sliding slot is arranged on swing block, sliding vane is slidably arranged in sliding slot, and one end of sliding vane and the side wall of piston abut, the other end between the inner side wall of the cylinder is provided with the driving assembly for driving the one end of the sliding vane and the side wall of the piston abut, crankshaft is linked with piston, and drives piston to eccentric rotation in the compression chamber, swing block is synchronously swung back and forth in swing groove. By the sliding vane and the rocker block of prior art are designed as a whole, the swing amplitude of sliding vane and swing block can be greatly reduced, the friction power consumption is effectively reduced, and the cold leakage between sliding vane and piston can be reduced, the lubrication state between swing block and cylinder is improved, and the friction loss between sliding vane and cylinder is reduced.

The utility model relates to the technical field of machining lathes, and discloses a cam transmission mechanism of a machining lathe, which comprises a screw rod, a pillow seat is sleeved on the screw rod in a threaded manner, a ram is mounted on the pillow seat and arranged on the lathe, a spline shaft is coaxially arranged at the end part of the screw rod, and the end part of the spline shaft is provided with a cam shaft. A rotating shaft is coaxially installed at the end, away from the lead screw, of the spline shaft, a motor is installed at the end of the rotating shaft, the rotating shaft is rotationally sleeved with a support through a bearing, and the support is installed on a lathe. The lead screw and the spline shaft are connected through an overload clutch mechanism. A cam transmission mechanism of a machining lathe solves the problems that in the prior art, when a cutter is abraded, the cutting effect of the cutter is poor, when a ram slides according to the running speed of a hydraulic cylinder, the abraded cutter can seriously affect the cutting speed of the cutter, and then the cutter is prone to being clamped when the ram runs. And both the motor and the hydraulic cylinder are damaged.

The application discloses a multifunctional power transmission line automatic obstacle crossing and clearing robot based on online power taking, and belongs to the technical field of power facility maintenance robots. The robot comprises a machine body, the machine body is provided with a walking and obstacle crossing module and a controller, the walking and obstacle crossing module comprises at least one set of wheel groups clamped on a power transmission line and at least one multi-degree-of-freedom mechanical arm, one end of the mechanical arm is connected with the machine body, and the machine body is further provided with a power taking and energy storage module. The power taking and energy storage module is used for supplying power to the robot in a mode of electromagnetic induction and capacitive coupling, is fixed on the machine body, and is internally provided with an electromagnetic induction power taking unit, a capacitive coupling power taking unit and a switching unit. The switching unit is used for switching power taking between the electromagnetic induction power taking unit and the capacitive coupling power taking unit according to the size of a current of the power transmission line. Through online power taking, all-weather operation is realized, and the problem that existing robots cannot be used for long-distance inspection is solved.

The utility model discloses a wire following device suitable for a large-depth cabinet, which belongs to the field of cabinet cable wiring of power equipment and comprises a wire following assembly, the wire following assembly comprises at least two wire following units and an elastic mechanism which are arranged in sequence, the two adjacent wire following units are rotatably connected, and the elastic mechanism is connected with the wire following units. Two ends of the elastic mechanism are respectively connected with the two wire following units and are used for providing pre-tightening force for the two wire following units, so that the two wire following units can be automatically folded under the action of the elastic mechanism when the case is inserted back into the cabinet, and a plurality of wire following units can be configured in the wire following assembly; therefore, the method is suitable for large-depth cases. The cable following device effectively increases the cable following distance so as to meet the use requirement of the cable at the tail part of the case with a large depth size, and the cable following device is provided with a plurality of cable following units, can adapt to various application scenes, and has a good application value.

The application relates to the technical field of bolt processing, in particular to a wastewater recycling treatment equipment for bolt processing, which comprises a sand filter tank, a filtering cavity, a material taking cavity and a feeding cavity are separated in the sand filter tank, a plurality of through material conveying holes are arranged in an array between the material taking cavity and the feeding cavity, a material taking plate and a feeding plate are rotationally connected in the sand filter tank, two symmetrical material taking grooves are arranged on the top of the material taking plate, a feeding groove is arranged on the top of the feeding plate, two symmetrical electric telescopic rods are fixedly installed on the bottom of the feeding groove, a movable plate is fixedly installed between the top telescopic ends of the two electric telescopic rods, a stirring motor is fixedly installed in the sand filter tank, and a rotating drum is fixedly installed on the output end of the stirring motor. The device can clean the top filter material which has the greatest influence on the filtering cavity in sequence without interrupting the filtering operation, and the filtering effect of the device is improved to a certain extent.

This utility model discloses an adjustable-height support fixture device, belonging to the field of support fixture technology. It includes a support frame with a parallel operating platform and an auxiliary plate arranged sequentially from top to bottom. A first height adjustment mechanism is provided on the surface of the support frame to adjust the height of the operating platform. Multiple placement grooves are formed on the side of the auxiliary plate near the operating platform, each groove containing multiple ball bearings. Multiple through holes are formed on the surface of the operating platform corresponding to the positions of the ball bearings. A second height adjustment mechanism is provided on the bottom surface of the auxiliary plate, allowing it to move vertically relative to the bottom surface of the operating platform. A dustproof film is provided on the surface of the through holes, with a cross-shaped cutting edge at the center of the dustproof film. This design extends the service life of the device while ensuring the processing stability of the workpiece.

The utility model discloses a positioning device and sewing equipment. The utility model discloses a positioning device, including support cylinder, guide piece, first positioning piece and first drive part. The guide piece is fixedly connected in the outer peripheral wall of support cylinder, and the guide piece is opened with the guide groove in. The first positioning piece includes the positioning portion and the sliding portion who are connected with each other. The first drive part is connected the first positioning piece, and the first drive part is used for driving the first positioning piece movement to make the first positioning piece rotate around the axis of support cylinder. Through connecting the guide piece in the inner peripheral wall of support cylinder, and opening the guide groove that extends along the circumference of support cylinder in it, and letting the sliding portion slide in the guide groove, make the first positioning piece rotate around the outer peripheral wall of support cylinder in the positioning process, improve the fitting degree of positioning device and support cylinder, guarantee the clearance between the first positioning piece and support cylinder to keep stable, avoid the situation that the first positioning piece and support cylinder will be stuck with the hat brim, improve the positioning effect to the hat brim.

The invention discloses a multi-axis numerical control machine tool, and relates to the technical field of numerical control machine tools. The device comprises a machine body and mounting frames, the mounting frames are evenly distributed at the top of the machine body, the bottoms of the mounting frames are hinged to the machine body, rotation driving assemblies are arranged on the inner sides of the mounting frames, and displacement assemblies are arranged between the rotation driving assemblies and the mounting frames. The displacement assembly is used for driving the rotary driving assembly to move relative to the mounting frame, a screw tap is mounted at the bottom of the rotary driving assembly, the rotary driving assembly is used for driving the screw tap to rotate, and first threaded rods are rotationally connected to the positions, flush with the mounting frame, of the bottom of the machine body. According to the multi-shaft tapping machine, screw taps of different specifications are installed on multiple shafts, the practicability is improved, meanwhile, the stability of tapping operation is improved, the effect of reducing the speed and increasing the torque of the screw taps can be achieved in the tapping process, it is guaranteed that tapping is conducted stably, and the tapping efficiency is improved.

The utility model discloses a tensile testing device for textile fabric, which relates to the technical field of detection and comprises a testing bedplate and a movable clamping plate device, symmetrical mounting holes are arranged on the upper end face of the testing bedplate, a fixed clamping plate device is fixedly connected onto the mounting hole at one end, and a fixed support is fixedly connected onto the mounting hole at the other end. A set of parallel guide rods are fixedly connected between the fixed clamping plate device and the fixed support, a driving lead screw is rotationally connected between the guide rods, one end of the driving lead screw is connected with a driving motor, the movable clamping plate device is in sliding connection with the guide rods and in transmission connection with the driving lead screw, and a sliding groove parallel to the guide rods is formed in the upper end face of the testing table plate. Parallel T-shaped grooves are formed in the two sides of the sliding groove, a graduated scale plate device is slidably connected into the sliding groove and fixedly connected with a movable clamping plate device, and positioning devices are arranged in the T-shaped grooves. The device is simple and reliable in structure, the cloth deformation value can be conveniently obtained, the testing precision is improved, and the testing efficiency is improved.

The present application provides a kind of consumable box, along the installation direction is installed in the installation part of image forming device, the installation part is provided with locking assembly, the locking assembly includes the lock convex of elastic swing arrangement, the consumable box includes: box body, the box body has front surface, the outer wall of the box body is provided with guide, the guide has the locking position and the guide structure for guiding the lock convex, in the case where the box body is installed to position, the lock convex is located at the locking position, to lock the position of the box body, the guide structure includes the first guide surface and the second guide surface spaced apart from each other;Along the width direction of the box body: the distance between the first guide surface and the front surface of the box body, and the distance between the second guide surface and the front surface of the box body gradually increase, or gradually decrease all.This application is to solve the technical problem that consumable box is easily jammed during removal.

This invention relates to the field of lithium battery recycling technology, specifically to a solid hazardous waste treatment device. The device includes a frame and a screening mechanism. A material conveying mechanism and a guide plate are mounted on the frame, with the guide plate positioned above the conveying mechanism. The screening mechanism includes a rotating disk and a notched annular magnet. The rotating disk is rotatably mounted on the frame, with its end face abutting the guide plate. The annular magnet is disposed inside the rotating disk and can rotate relative to it. When solid hazardous waste passes through the rotating disk, magnetic substances are adsorbed onto it. When the rotating disk rotates to the notch of the annular magnet, the magnetic substances fall onto the guide plate and move to the recycling area. By placing the notched annular magnet inside the rotating disk, the disk can continuously adsorb magnetic substances, reducing the possibility of magnetic substances remaining in the solid hazardous waste and improving the recycling efficiency of magnetic substances.

The utility model discloses a food processor and a movable grinding head for the food processor, the movable grinding head comprises a grinding body and a material sweeping body located below the grinding body, the material sweeping body comprises a flexible base body, an annular supporting framework fixed at the lower part of the front end of the base body, and a material sweeping plate integrally formed on the upper surface of the base body, the material sweeping plate is located above the supporting framework, the deformation resistance of the base body can be greatly improved through the arrangement of the supporting framework, the structural stability of the base body is guaranteed, and deformation caused by extrusion of food material powder in the material sweeping process of the material sweeping body is effectively avoided; the problem that the powder cannot be cleaned up and even enters the machine through a gap between the base body and the grinding cavity, so that the machine generates large friction noise and is even damaged is solved, the whole machine is protected, and the service life is prolonged.

This invention discloses an automatic feeding device for machining, including a feeding platform with an installation cavity inside. A through groove is provided on one side of the top of the feeding platform, communicating with the installation cavity. A connecting cavity is provided at the connection point between the through groove and the installation cavity. A push plate is slidably connected to the top of the through groove, and a push head is fixedly connected to one side of the push plate. Electric push rods are respectively provided at both ends of the push plate, and a connecting plate is provided between the electric push rods and the push plate. Four mounting frames are fixedly connected to one side of the top of the feeding platform, and each mounting frame has a bidirectional threaded rod rotatably connected inside. The bottom end of each bidirectional threaded rod extends into the installation cavity, and a threaded slider is threadedly slidably connected above and below each bidirectional threaded rod. This invention can automatically complete the feeding of metal trays, avoiding the stacking and jamming problems that occur with traditional conveyor belt feeding methods, greatly improving feeding efficiency and increasing the speed of subsequent processing.

The utility model discloses a kind of plastic product production waste plastic recovery devices, including recycling box, the front surface of recycling box is connected with support, main gear, auxiliary gear and local gear, motor is installed in support, motor is connected with driving wheel, local gear is connected with driven wheel, main gear and auxiliary gear are connected with crushing roller, recycling box is connected with mounting plate, mounting plate is connected with vertical rod, spring and sliding block are installed on the lateral surface of vertical rod, sliding block is connected with lifting plate, lifting plate is connected with rack, lifting plate is connected with connecting frame, connecting frame is connected with compression plate. The utility model solves the existing crushing device by crushing roller to waste plastic is crushed, in the crushing process, plastic is by upper plastic compression lower plastic only to make plastic can complete crushing, but due to not have mechanism to press down, only remaining small amount of plastic, it is easy to make crushing roller jam, affect the recovery efficiency of equipment.

This application relates to a flip-type plug charger, which includes a housing, a plug assembly, a hinge shaft, a spring, a first locking ring, a second locking ring, and a circuit board. The housing has a receiving groove and a circular groove with a strip-shaped hole. The plug assembly is placed in the receiving groove and connected by the hinge shaft. The spring is sleeved on the hinge shaft to provide preload. The first locking ring is axially movable and has a limiting block on its side wall that limits its position within the strip-shaped hole. The second locking ring is fixed to the plug assembly. The opposite end faces of the two locking rings are respectively provided with two V-shaped protrusions and V-shaped grooves. Under the action of the spring, the V-shaped protrusions and V-shaped grooves of the two rings engage and lock together to form a rigid interlocking structure. The circuit board is provided with an elastic conductive clip, and the housing has an opening so that the flipped plug assembly can be inserted into the conductive clip to conduct electricity. This application realizes that the V-shaped protrusions and V-shaped grooves can be automatically interlocked by moving the plug to a critical angle, which saves effort. The interlocking structure combined with the spring preload achieves mechanical self-locking, effectively resisting vibration or impact.

The utility model discloses a kind of anti-stuck hair's hair dryer, including hair dryer main body and movable component;Hair dryer main body includes shell, flow guide, heating element and rotating rod;Movable component is hinged on shell;The lateral wall of shell has first air outlet and air inlet;Flow guide is set in shell, and its air inlet end faces air inlet;Heating element is set in shell, and the air outlet end of flow guide is faced;At least part of rotating rod is exposed in shell, and located in the side of first air outlet.The utility model's anti-stuck hair's hair dryer is set rotating rod in the side of first air outlet, so that when user pulls anti-stuck hair's hair dryer, rotating rod can rotate along with pulling, reduce the pulling force that hair receives, avoid the situation of stuck hair, to improve the user's use experience.

This utility model discloses a multi-stage fine filtration device for pharmaceutical powder preparations, relating to the field of pharmaceutical powder preparation fine filtration technology. It includes a tank, inside which is a multi-stage sieving assembly for fine filtration of pharmaceutical powder; the tank also includes a dispersing assembly to facilitate uniform fine filtration of the pharmaceutical powder. The rotational motion of the dispersing assembly drives the multi-stage sieving assembly to vibrate and sieve up and down. A feed pipe is fixedly connected to the top outer wall of the tank, and a support base is fixedly connected to the bottom outer wall of the tank. This utility model achieves gradual fine filtration of pharmaceutical powder from coarse to fine through the multi-stage sieving assembly to improve filtration accuracy. The dispersing assembly uniformly disperses the powder and drives the sieving assembly to vibrate, thereby improving sieving efficiency. Furthermore, the structure is rationally designed, combining practicality and stability.

The utility model relates to tray location technical field discloses a tray conveying limiting mechanism, including conveying belt, both sides of conveying belt all are fixedly arranged with adjustable limiting mechanism, one side of conveying belt is fixedly arranged with controller, the adjustable limiting mechanism includes side connecting plate, side connecting plate fixed setting is in the conveying belt side, the first hydraulic pipe, second hydraulic pipe and third hydraulic pipe are passed through and are arranged in the inside of side connecting plate, the initial length of first hydraulic pipe, second hydraulic pipe and third hydraulic pipe gradually reduces in proper order, the one end of conveying belt close to third hydraulic pipe is tray conveying entrance. In the utility model, can gradually correct tray, avoid jamming, can flexibly adjust the position of limiting, adapt to different specifications tray, automation control, correction efficient precision, improve conveying reliability and versatility.

The utility model relates to the technical field of rounding of optical crystals, solves the technical problem that equipment is stopped due to the fact that manual feeding is needed, and particularly relates to rounding equipment applied to processing of optical crystals, which comprises a supporting table serving as a supporting foundation, and an adjusting sliding rail is fixedly connected to the top end of the supporting table. The top end of the adjusting sliding rail is fixedly connected with a lifting grinding assembly for grinding crystals, the adjusting sliding rail is provided with a feeding assembly for facilitating feeding, the feeding assembly comprises a fixing frame slidably connected to the inner side of the adjusting sliding rail through a sliding block, and a plurality of clamping grooves are formed in the top end of the fixing frame at equal intervals. An adjusting narrow groove is formed in the portion, located on one side of the clamping groove, of the fixing frame. Due to the arrangement of the feeding assembly, crystals can be replaced under the condition that the grinding component is not stopped, the crystals do not need to be disassembled from the clamping component and refilled in the replacement process, the feeding time can be saved, and the overall machining efficiency is improved.

This invention discloses a rotary temperature measuring device for high-temperature and high-pressure combustion chambers in a fan-shaped combustion chamber, belonging to the field of aero-engine testing technology. The device includes an inlet water jacket, an outlet water jacket, a transmission mechanism, and a drive mechanism. The outlet water jacket is connected to the inlet water jacket via a rotary chamber water jacket. The inlet, rotary chamber, and outlet water jackets are each provided with an arc-shaped through-hole to form an arc-shaped gas flow channel. A rotary temperature measuring mechanism is housed within the main chamber formed by the inlet, rotary chamber, and outlet water jackets. The transmission mechanism is located on the outlet water jacket, and its output end extends into the main chamber and connects to the rotary temperature measuring mechanism. The drive mechanism is located on the outlet water jacket and connects to the transmission mechanism. The arc-shaped gas flow channel is effectively water-cooled by the water jacket, thus preventing ablation, bulging, and deformation of nearby components, and preventing jamming of the rotary temperature measuring mechanism. This ensures long-term normal and stable operation of the device and extends its service life.

This utility model discloses a sawing machine, including a frame, a ring saw blade, two direction-changing components, and a cleaning brush. The frame has a first saw wheel and a second saw wheel arranged side-by-side. The ring saw blade is installed between the first and second saw wheels and includes an upper section and a lower section. The lower section moves from the first saw wheel to the second saw wheel. The two direction-changing components are located at both ends of the lower section. Each direction-changing component includes a mounting frame, a first rotating part, and two first clamping rollers. The mounting frame is mounted on the frame, and the first rotating part is rotatably and adjustablely mounted on the mounting frame. The two first clamping rollers are rotatably mounted on the first rotating part and are located on both sides of the lower section in the thickness direction. The cleaning brush is disposed on the first rotating part adjacent to the second saw wheel. This utility model not only allows adjustment of the cutting angle of the ring saw blade but also facilitates cleaning of the lower section of the ring saw blade when it is twisted at different angles, reducing the possibility of the ring saw blade getting stuck when passing through the clamping rollers.

This application belongs to the technical field of steel ball installation and discloses a steel ball pressing and embedding device, including a base, a guide ball seat, a guide ball channel, a hopper, a pusher plate, a driving component, and a pressing and embedding assembly. The guide ball plate is provided with a guide ball hole for the steel ball to pass through. The guide ball channel is located above the guide ball plate, and the hopper is located above the guide ball channel. The bottom of the hopper is connected to the guide ball channel so that the steel ball inside the hopper can enter the guide ball channel. The pusher plate is provided with a pusher hole that penetrates through its own thickness direction. The pusher plate has a first position where the pusher hole is connected to the guide ball channel and a second position where the pusher hole is connected to the guide ball hole. The pressing and embedding assembly can extend into the guide ball hole to apply downward pressure to the steel ball located in the guide ball hole. This not only enables the installation of steel balls on the bearing seat cover, but also realizes automatic feeding of steel balls, avoiding the need for manual feeding, thereby improving the efficiency of installing steel balls on the bearing seat cover.

The application provides a rivet mechanism of a riveting device and the riveting device, wherein the rivet mechanism comprises an execution mechanism, a rivet nose mechanism and a rivet feeding mechanism. The rivet feeding mechanism comprises a rivet feeding assembly, a rivet limiting assembly and a transmission assembly. The transmission assembly comprises a first belt passage accommodating a rivet belt. The two sides of the first belt passage are provided with a toothed nail driving wheel and a guide block. The outlet is provided with a first baffle. The first baffle comprises a stripping part extending towards the first belt passage and a guide part extending away from the first belt passage. The transmission assembly ensures that the rivet belt can be stably separated from the toothed nail driving wheel through the stripping part of the first baffle, reduces the risk of belt jamming of the rivet belt in the transmission assembly, and at the same time, the guide part of the first baffle can limit the movement track of the rivet belt after being transmitted out, thereby improving the transmission stability of the rivet belt. In addition, the guide part of the first baffle can better guide the installation of the rivet belt, thereby improving the installation efficiency in the process of replacing the rivet belt. Therefore, the operation stability of the rivet mechanism in the riveting process and the efficiency of replacing the rivet belt are greatly improved.

The utility model relates to photovoltaic support technical field, concretely is: a photovoltaic power generation support convenient to dismount, including the carrier plate, the one side of carrier plate is provided with solar panel, the back four sides of solar panel all are fixed with the locating block, the outer wall of locating block is equipped with the locating hole, the surface middle part of carrier plate is equipped with the sliding slot, and the driving assembly is installed in the sliding slot, the surface both sides of carrier plate all are equipped with the strip slot, and the inner chamber both sides of strip slot all are installed with the sliding block, and the lateral wall fixed connection of sliding block has the locating shaft, the inner chamber both sides wall of sliding slot all are equipped with the strip hole, and driving assembly penetrates strip hole and is connected with corresponding sliding block. The utility model discloses through rotating two -way threaded rod can drive the threaded slider of both sides to remove, and further can drive the locating shaft of both sides to remove to can realize quick and solar panel back's locating block and carry out the insertion or separate, to make can quick dismount solar panel.

The application belongs to the technical field of slag slurry pumps, and discloses a submerged slag slurry pump which comprises a support, a pump body, an impeller, a discharge pipe, a driving structure and a flow guide structure. The support is internally hollow. The bottom of the pump body is provided with an inlet, and the side of the pump body is provided with a discharge outlet. The impeller is arranged in the interior of the pump body. The discharge pipe is arranged on the side of the pump body and is in communication with the discharge outlet. The driving structure is arranged on the top of the support and is used for driving the impeller to rotate. The flow guide structure comprises a follow-up shaft arranged at the bottom of the impeller and flow guide blades arranged on the follow-up shaft. The follow-up shaft extends to the outside of the pump body through the inlet. The flow guide blades are located outside the pump body. The follow-up shaft can drive the flow guide blades to rotate along with the impeller, so that the slag slurry moves towards the direction where the inlet is located under the action of the flow guide blades, thereby improving the feeding efficiency of the pump body and the pumping efficiency of the submerged slag slurry pump on the slag slurry.

This invention provides a geological drilling device for drilling expansive mudstone, relating to the field of geological drilling technology. The geological drilling device of this invention includes a drilling trolley, a cooling device installed on the drilling trolley, a motor installed on the drilling trolley, a drill rod installed on the cooling device, the drill rod being drivenly connected to the output shaft of the motor, an air inlet pipe installed inside the drill rod, the air inlet pipe being fixedly connected to and communicating with the cooling device, a pressure accumulator pipe installed inside and communicating with the air inlet pipe, a first tool post and a second tool post slidably connected to the air inlet pipe, a first solenoid valve and a second solenoid valve installed on the pressure accumulator pipe, and a fixing block fixedly connected to the drill rod. This invention reduces the degree of damage to the drill bit through the alternating operation of the first and second tool posts. Simultaneously, when changing the working tool post, the first and second tool posts can clear debris and silt between the drill bits, preventing the drill bit from jamming.

The utility model discloses an electronic component carrier tape with an assembly structure, which relates to the technical field of electronic component packaging, and comprises a carrier tape body, a plurality of positioning holes are arranged at the edges of two sides of the carrier tape body, a plurality of holes are arranged on the inner side of the carrier tape body, bearing plates are arranged in the holes, and the bearing plates are arranged on the inner side of the carrier tape body. A plurality of holes are formed in the carrier tape body, packaging plates are clamped in the multiple holes, mounting frames are fixedly connected to the tops of the packaging plates, mounting pins are connected between the mounting frames and the carrier tape body, and auxiliary material taking structures are connected between the packaging plates and the bearing plate. According to the electronic component carrier tape with the assembly structure, the electronic component and the carrier tape can be packaged and taken out conveniently, the situation that the electronic component and the carrier tape are tightly combined and are clamped can be avoided, the use convenience of the carrier tape is improved, the electronic component on the carrier tape can be subjected to recoil and tight abutting, and the electronic component is prevented from being damaged. And the relative stability of the electronic component on the carrier tape is improved.