276results about How to "Improve drilling accuracy" patented technology

The invention relates to the technical field of machining, and discloses drilling equipment with an auxiliary positioning function, which comprises a workbench, a multi-station continuous drilling mechanism, two groups of concentric positioning mechanisms and a synchronous conveying mechanism, a bottom cavity is fixedly formed in the bottom of the workbench, a plurality of bases are fixedly arranged at the bottom of the bottom cavity, the synchronous conveying mechanism is arranged on the left side of the top of the workbench, and the multi-station continuous drilling mechanism is arranged in the middle of the top side of the workbench. The concentric positioning mechanisms are arranged on the two sides of the multi-station continuous drilling mechanism. According to the drilling equipment, the drill bit can be pushed to move towards the outer wall of the pipeline while rotating through movement of the conical barrel, multi-station synchronous drilling is conducted on the pipeline, at the moment, the spring is compressed, elastic force in the opposite direction is generated, and when the movable seat moves in the opposite direction, the drill bit is reset under the action of the spring. The drilling synchronism of the pipeline can be guaranteed, and the drilling efficiency and precision are improved.

The invention relates to the technical field of cast-in-place pile construction, and provides efficient construction equipment for a cast-in-place bored pile and a using method of the efficient construction equipment. The drilling machine body is used as a basic installation component of the whole equipment and is used for installing and assembling all matched use mechanisms and structural parts of the matched use mechanisms; the power head is mounted on one side of the drilling machine body and used as a power source to enable the drill rod to rotate; the rotating assembly is mounted on the drill rod and is used for moving the mounted mechanism and the structural member to which the mechanism belongs; and the smoothing mechanism is mounted on the rotating assembly. The output end of a first hydraulic rod pushes a sliding rod to move, and then a connecting sleeve is driven to move, so that a first connecting block pushes a first connecting rod to move, the first connecting rod pushes a second connecting block to drive a smoothing plate to move, and the smoothing plate drives a first limiting block to slide in a limiting groove; and the flattening plate moves to make contact with the hole wall, the hole wall is flattened during rotation, and then the effect of preventing the hole wall from collapsing is achieved.

The utility model relates to the technical field of drilling fixtures, and discloses a drilling fixture for a steel structure, which comprises a platform, a moving component is mounted in the platform, a transverse plate is mounted at the upper end of the moving component, and a fixing component is mounted in the transverse plate; the moving assembly comprises a first pneumatic telescopic rod, a first rack is installed at the output end of the first pneumatic telescopic rod, a first sliding block is arranged on one side of the first rack, a sliding rail is installed on one side of the first sliding block, a gear is arranged on the other side of the first rack, and a second rack is installed on one side of the gear. A sliding rod is arranged at the upper end of the second rack, and a sliding groove is formed in the position, corresponding to the sliding rod, of the platform. The steel structure is centered, clamped and fixed left and right through the arranged moving assembly, the upper position and the lower position of the steel structure are fixed through the arranged fixing assembly, and the stability during drilling is improved to a certain degree.

The invention belongs to the technical field of cutting beds, and particularly relates to an integral opening and closing structure of a direct-drive type punching drill, which comprises a rack, the end part of an air cylinder fixing seat is rotatably connected to the rack, a locking mechanism is arranged between the air cylinder fixing seat and the rack, an air cylinder and a guide sleeve are arranged above the air cylinder fixing seat, and a punching drill assembly comprises a motor fixing plate, a hollow motor is arranged on the motor fixing plate, a hollow drill is connected to the lower end of a hollow rotating shaft of the hollow motor, the ejector rod penetrates through the hollow rotating shaft and extends into the hollow drill, and during normal punching work, the locking mechanism locks the air cylinder fixing base and the rack, and the air cylinder fixing base is fixed to the rack; when replacement and maintenance are needed, the locking mechanism is unlocked, and the punching drill assembly can be opened towards the side away from the rack. When replacement and maintenance are needed, enough operation space is reserved between the punching drill assembly and the cutterhead, an operator can operate flexibly, and the operator can replace a cut-off knife and a drill bit conveniently; and the structure is compact, interference with a cutterhead located below the rack is avoided, and the device is suitable for the automatic cutting bed.

The invention provides fuselage skin drilling equipment, and relates to a skin drilling process. The number of the supporting rods is two, the supporting rods rotate around the rotating shaft, the distance between the supporting rods and the rotating shaft is adjustable and equal, and the supporting rods rotate around the center shafts of the supporting rods. The number of the lower pressing rods is two, the lower pressing rods and the supporting rods are arranged in a spaced mode, the distance between the lower pressing rods and the supporting rods is adjustable, the lower pressing rods rotate around the center shafts of the supporting rods, the lower pressing rods move and rotate along with the supporting rods, and the lower pressing rods rotate around the center shafts of the lower pressing rods; the two limiting plates are arranged between the supporting rods, move and rotate along with the supporting rods, and move in the length direction of the bottom plate; the drilling machine moves in the length direction of the bottom plate; the drilling die is movably arranged between the bottom plate and the drilling machine in the height direction of the bottom plate and moves in the length direction of the bottom plate. The drilling efficiency and the drilling positioning accuracy can be improved, skin deformation caused during drilling is avoided, and the drilling device can be suitable for fuselage skins of various different curvatures and has high practicability.

The invention relates to the technical field of rock drilling equipment, in particular to mine rock blasting drilling equipment and a blasting method. The equipment comprises a drill rod, a sliding mechanism and a driving mechanism, the middle of the drill rod is provided with an airflow channel, and the front end is connected with a pneumatic impactor and an impact drill bit; the sliding mechanism comprises a sliding rail, a sliding seat and a pushing mechanism; and the driving mechanism realizes rotation of the drill rod through the power device, the base and the positioning sleeve. Particularly, the pre-pressing buffering device can provide compressed air for the drill rod and provide elastic thrust, and it is guaranteed that the drill rod works stably. In addition, the transmission efficiency is improved through the meshing design of the transmission part and the abutting part of the drill rod, meanwhile, a multi-stage buffering structure is arranged, and the service life of equipment is effectively prolonged. The technical effects that the drilling efficiency is improved, the energy consumption is reduced, and the equipment reliability is enhanced are achieved.

The invention discloses a drilling depth positioning device for machining, and relates to the technical field of drilling equipment auxiliary machining devices.The drilling depth positioning device comprises a positioning frame installed on drilling equipment and a positioning sleeve rotationally arranged on a drilling rod in a sleeving mode, a guide rod is fixedly arranged on the positioning frame, and a stroke block and a positioning block are arranged on the guide rod in a sliding mode; the stroke block is fixedly connected with the positioning sleeve; a trigger device used for detecting contact between the drill bit and the surface of the tool is arranged on the positioning sleeve and electrically connected with a control system, a driving assembly used for driving the positioning block to slide is arranged on the positioning frame, and the control system is electrically connected with the driving assembly. A contact switch is arranged on the positioning block and electrically connected with the control system, and the control system is electrically connected with the drilling equipment and used for controlling starting and stopping of the drilling equipment. According to the drilling device, the drilling depth can be accurately positioned, so that the drilling precision is guaranteed, and the drilling machining efficiency is effectively improved.

The invention discloses an orthopedic drilling guider, and relates to the technical field of orthopedics, the orthopedic drilling guider comprises a support underframe mechanism, and the support underframe mechanism comprises a bottom ring; the adjusting mechanism comprises a first worm gear, the first worm gear is rotationally installed on the upper side of the bottom ring, protractors are arranged on the front portion and the rear portion of the upper side of the first worm gear, and rotating shafts are rotationally installed at the center circle points of the two protractors; and the guide mechanism comprises a bottom cylinder, the two symmetrical sides of the bottom cylinder are connected with the two rotating shafts correspondingly, and the bottom cylinder is in threaded connection with a guide cylinder. The rolling balls are movably embedded in the inner wall of the guide channel of the guide cylinder, friction between the guide cylinder and a drill bit is reduced, abrasion to the inner wall of the guide channel when the drill bit rotates and moves is reduced, and the guide cylinder and the bottom cylinder are convenient and fast to disassemble and assemble; and the guide cylinder driving the guide channel of the corresponding specification can be replaced, which is very convenient.

The utility model relates to the technical field of mining drilling machines, and provides a mining drilling machine with an orientation function, which comprises a base, an upright post with an open top is fixed on one side of the top wall of the base, moving components are fixed at four corners of the bottom wall of the base, and positioning components are arranged at four corners of the base; the hydraulic cylinder is fixed on the inner bottom wall of the stand column; the bottom end of the movable column is fixedly connected with the top end of the hydraulic cylinder, the movable column is installed on the upper portion of the base in a sliding mode, a rotating assembly is installed in the movable column, and two installation plates are symmetrically fixed to the side wall of the movable column; by means of the technical scheme, the problems that in the prior art, a manual punching mode is generally adopted during pre-drilling, however, the stability of manual punching is poor, due to the counter-acting force of punching equipment, the situation that workers drive the punching equipment to shake is affected, even the quality of directional drilling is affected, and the drilling angle cannot be guaranteed during manual punching are solved.

The invention relates to the field of contact tube machining equipment, in particular to contact tube punching equipment which comprises a rack. A feeding mechanism, a plurality of main shaft clamping mechanisms used for clamping bars and driving the bars to rotate and a punching mechanism are arranged on the machine frame. The main shaft clamping mechanism comprises a pneumatic chuck; the feeding mechanism is used for conveying bars to each pneumatic chuck; one end, for clamping the bar, of the pneumatic chuck is a machining end; the punching mechanism comprises a plurality of punching devices fixedly arranged on the linear sliding table. The rack is further provided with a center pointing mechanism used for pointing the center and a discharging mechanism. The center pointing mechanism is arranged on the linear sliding table and used for pointing the centers of the multiple bars on the pneumatic chuck at the same time. The discharging mechanism is used for bar positioning and receiving of the machining end of the pneumatic chuck and collection and sweeping of machined workpieces. The feeding mechanism ejects the machined workpieces at the machining end of the pneumatic chuck down while conveying the bars. The automatic punching machine is high in automation degree and very ideal in punching efficiency, centrality and quality.

The automatic high-precision bidirectional punching and chamfering device comprises a rack and a feeding frame, the lower end of the rack is connected with a support in a front-back moving mode, the support is provided with a clamp, the upper end, the lower end, the left end and the right end of the front face of the rack are provided with a first punching and chamfering mechanism, a second punching and chamfering mechanism, a third punching and chamfering mechanism and a fourth punching and chamfering mechanism respectively, and each punching and chamfering mechanism is provided with a punching and chamfering integrated cutter. A mounting table is arranged in the middle of the support, a clamp is arranged at the front end of the mounting table and comprises a bottom plate, a side plate, a limiting plate and a pressing plate, the pressing plate is connected to the upper portion of the bottom plate and the upper portion of the side plate in a lifting mode, an ejection mechanism is further arranged on the mounting table, and the limiting plate is arranged on the ejection mechanism. The feeding frame comprises a frame body, a conveying belt and a jacking mechanism, an output channel with the middle communicating with the conveying belt is further arranged on the frame body, a plurality of cross holes can be efficiently and accurately punched in a workpiece at equal intervals, chamfering is completed while punching is conducted, and machining automation and automatic feeding and discharging are achieved.

The utility model provides an auxiliary positioning tool for punching a pump shell, and belongs to the technical field of positioning tools. The positioning auxiliary tool for pump shell punching comprises a positioning mechanism, a fixing mechanism and a pump shell body, the positioning mechanism comprises a fixing base, a rotating shaft is connected to the center of the top of the fixing base through a bearing, a machine shell is installed at the bottom of the fixing base, a first motor is installed in the machine shell, and the output end of the first motor is in transmission connection with the rotating shaft; an infrared emitter is installed at the position, close to the edge, of the top of the fixed base, a rotating disc is installed at the top of the rotating shaft, an annular groove and four sets of grooves are formed in the top of the rotating disc, the four sets of grooves are connected with the annular groove at equal intervals, and infrared receivers are installed at the positions, under the centers of the grooves, of the bottom of the fixed base. According to the technical scheme, the four sets of infrared receivers and the four sets of infrared emitters are used for achieving the purposes of reducing the positioning cost and improving the drilling accuracy.

The utility model discloses a mask and a display module, relates to the mask technical field, the mask includes a plurality of mask units of different batches, the mask unit is provided with a plurality of lamp holes arranged in an array, each lamp hole penetrates through the two opposite surfaces of the mask unit, the lamp holes are used for installing lamp beads of the display module, and the lamp beads of the display module are arranged in the mask units. The projection area of the mask unit projected on the display module is less than or equal to 1 / 8 of the cross sectional area of the display module; according to the technical scheme, the color difference of the mask can be improved, and meanwhile the swelling and shadow abnormity of the mask can be improved; the mask can be formed by splicing a plurality of mask units of different batches, so that the worry of stocking chromatic aberration of mask suppliers can be effectively improved, and the timeliness of mask supply is improved; due to the fact that the size of the mask unit is small, thermal expansion and shrinkage of the mask are small, the stress of the mask on the lamp beads is effectively reduced, the risk of pulling and insufficient soldering is reduced, the trepanning precision of the mask is higher, and the abnormity of lamp foot leakage of an indoor product can be effectively improved.

The invention relates to the technical field of machining, and discloses a drill bit with an efficient cooling function and a working method thereof.The drill bit comprises a machining table, an efficient and accurate drilling mechanism, a self-adjusting cooling mechanism and a synchronous oil injection lubricating mechanism; a back plate is fixedly arranged on the rear side of the top of the machining table, the back plate is perpendicular to the machining table, and a rotating disc is arranged on the top of the front side wall of the back plate. The efficient and accurate drilling mechanism is arranged, when a guide rod moves downwards, a positioning plate at the bottom is driven to move downwards till the positioning plate abuts against the top of a workpiece, at the moment, opposite sliding and compression of a first spring are generated between the guide rod and a movable block, and downward thrust is generated on the positioning plate, so that the workpiece is clamped and fixed in the vertical direction through the positioning plate; and by arranging a guide rod and a positioning hole, it can be guaranteed that the moving direction of the cutter is always located on the same vertical line, the punching precision of the workpiece is improved, and the punching position is prevented from deflecting.

The invention discloses a drilling machine drill bit position correction method based on a laser tracker. The drilling machine drill bit position correction method comprises the steps that firstly, a detection system is built; step 2, correcting the spatial position of a drill bit: step 2.1, correcting the indexing of a drilling machine; 2.2, a drilling machine shaft is determined; step 2.3, equally dividing the root of the blade into a plurality of measurement areas, and selecting some preset hole sites in each measurement area; 2.4, axial drill bit axis correction and radial drill bit axis correction are sequentially carried out on each selected preset hole position; step 2.5, correcting the planeness of the root of the blade; 2.6, preset hole site correction is carried out; and step 2.7, correcting the surface deviation of the axial drill bit and the radial drill bit corresponding to each preset hole site. Therefore, it can be ensured that the axial bolt hole and the radial bolt hole formed by drilling in the blade root position of the wind power blade are matched with the theoretical bolt hole of the blade, and the drilling forming quality and precision are improved.

The present invention relates to an auxiliary device for precise control of the angle of a tunnel blasting blasthole, comprising a leg assembly, a horizontal plane angle adjustment assembly, a vertical plane angle adjustment assembly and a sleeve ranging assembly connected in sequence. The vertical plane angle adjustment assembly comprises a vertical plane angle dial and a vertical plane pointer. The sleeve ranging assembly rotates along the vertical plane, driving the vertical plane pointer to rotate relative to the vertical plane angle dial. The horizontal plane angle adjustment assembly comprises a horizontal plane angle dial and a horizontal plane pointer; the vertical plane angle adjustment assembly rotates along the horizontal plane, driving the horizontal plane pointer to rotate relative to the horizontal plane angle dial. The level of the device can be accurately adjusted by cooperating with a horizontal indicating mechanism provided on the leg assembly and the horizontal plane angle dial, the horizontal rotation angle of the sleeve can be accurately controlled by the horizontal plane angle adjustment assembly, the vertical rotation angle of the sleeve can be accurately controlled by the vertical plane angle adjustment assembly, the depth of the blasthole can be indicated by the ranging mechanism, and the angle and depth of the blasthole can be accurately calibrated.

The present invention provides a device and method for preventing and controlling coal-rock dynamic disasters in a coal mine excavation tunnel, and relates to the technical field of coal mining, comprising a support unit; the mounting unit is mounted on the top of the support unit; the disaster prevention unit is mounted on the mounting unit; the auxiliary unit is mounted on the disaster prevention unit; the gas detection unit is mounted on the top of the disaster prevention unit; the coal and rock in the circular drill barrel of the present invention rotate simultaneously with eight separation plugs, thereby realizing automatic fracture of the coal and rock at the circular drill bit; the sealing bracket seals the four exhaust circular holes, which is conducive to the coal and rock in the circular drill barrel being removed simultaneously with the circular drill barrel; the problem that when the drill bit is taken out, the coal and rock at the drill head end cannot be ensured to be in a fractured state, resulting in that the coal and rock near the drill head end cannot be completely taken out, and when the drill bit is taken out, it cannot be ensured that the inside of the drill bit is always basically in a vacuum state, resulting in that part of the coal and rock inside the drill bit will be separated from the drill bit when the drill bit moves.

The invention relates to the technical field of vegetable seed cultivation, and discloses a vegetable seed cultivation device for agricultural ecological cultivation, which comprises a base, a support frame is fixed on the base, a stirring box is mounted on the support frame, a stirring assembly is mounted on the stirring box, and a screening plate is arranged at the bottom of the stirring box. Two first guide rods are fixed to the material screening plate, the first guide rods are elastically connected with the stirring box through first springs, two hole sealing plates are arranged below the material screening plate, the hole sealing plates are elastically connected with the stirring box through second springs, and first abutting blocks are fixed to the two hole sealing plates; the vegetable seed cultivation device is simple in structure and convenient to use, nutrient soil can be conveniently laid on the cultivation tray in a short time, the phenomenon that the nutrient soil in the cultivation tray is too much or too little can be avoided, manual treatment is reduced, time and labor are saved, convenience and rapidness are achieved, and the vegetable seed cultivation efficiency can be greatly improved.

The invention relates to the technical field of drilling and sampling, and provides a drilling and sampling device for engineering construction material detection, which comprises a frame, a stand column, a stabilizing frame, a sliding frame, a sliding assembly, a driving assembly, a drilling and sampling assembly with buffering and damping functions and a water spraying assembly, two stand columns are symmetrically and fixedly installed on the vehicle frame, two stabilizing frames are symmetrically and fixedly installed on the vehicle frame, a sliding frame is installed between the two stand columns in a sliding mode, a sliding assembly is installed on the sliding frame, a driving assembly is installed on the sliding frame, a drilling sampling assembly is installed on the sliding frame, and a water spraying assembly is installed on the vehicle frame. The problems that in the prior art, due to the fact that the hardness and texture of a drilled material are not uniform, a drill barrel is prone to being impacted and vibrated in the drilling process, and the drill barrel is prone to being damaged are solved.

The utility model discloses a five-gear and six-gear shifting fork drill jig which comprises a jig bottom plate, a first rod positioning seat, a second rod positioning seat, a shifting fork opening positioning and fixing seat, a movable drill plate sliding seat and a fork opening frame positioning and fixing seat are arranged on the jig bottom plate, and V-shaped grooves are formed in the first rod positioning seat and the second rod positioning seat. A shifting fork rod positioning stop pin is arranged on the first rod positioning seat, a lever pressing cylinder is arranged above the first rod positioning seat and the second rod positioning seat, a shifting fork opening positioning block is arranged on the end face of one side of the shifting fork opening positioning and fixing seat, and a shifting fork opening end face pressing block is arranged on the shifting fork opening positioning and fixing seat. A movable fork opening frame positioning seat is arranged on the fork opening frame positioning and fixing seat, and a movable drill plate is arranged on the movable drill plate sliding seat in a sliding mode. The device has the beneficial effects that the positioning precision of the shifting fork and the shaft rod is improved, the shaft rod is additionally supported and pressed, the angle of the fork opening frame is limited, so that errors caused by front-back movement of the shaft rod are reduced, the drilling precision is improved, and the device further has the characteristic of convenience in clamping.

This utility model relates to a fixture for drilling corner brackets of aluminum profiles for new energy assembly, including a worktable, a first support plate, a second support plate, a first clamping cylinder, and a second clamping cylinder. The support plate is vertically mounted on the worktable, with its inner side forming an angle consistent with the opening angle of the corner bracket, and its height is lower than that of the corner bracket. The pressure plate of the first clamping cylinder is parallel to the reinforcing rib of the corner bracket and clamps laterally, while the pressure plate of the second clamping cylinder clamps the top of the corner bracket vertically. Through the adjustable-angle support structure and multi-directional clamping mechanism, it can adapt to extrusion corner brackets of different specifications, solving the problems of poor versatility and low positioning accuracy of existing fixtures, significantly improving drilling efficiency and product consistency. Combined with the third clamping cylinder and the angle-adjustable cylinder bracket, it can be better integrated into automated drilling equipment.

The invention relates to the technical field of flame-retardant anti-static garment processing, in particular to flame-retardant anti-static garment processing equipment and a flame-retardant anti-static garment processing technology, and the flame-retardant anti-static garment processing technology comprises the steps that the flame-retardant anti-static garment processing equipment is adopted for processing cloth; the processing equipment for the flame-retardant anti-static clothing comprises a processing frame, a sliding seat, a punching head and an elastic tensioning part, wherein the processing frame is configured to be capable of placing cloth; the sliding base is arranged on the machining frame and can slide in the vertical direction. The punching head is arranged on the sliding seat, can elastically slide in the vertical direction relative to the sliding seat, can rotate and is configured to punch cloth; the punching head is sleeved with the elastic tensioning part, and the elastic tensioning part is configured to be capable of tensioning the cloth in the circumferential direction, so that in the using process, the cloth is tensioned in the circumferential direction, the influence of mutual pulling between fibers when the punching head punches holes is reduced, and the machining quality is guaranteed while the punching precision is improved.

The utility model discloses a drilling device. The drilling device comprises a rack; the transmission mechanisms are arranged on the two sides of the rack and used for conveying plates; the drilling mechanism is arranged above the rack, the drilling mechanism comprises a movable frame and a plurality of drilling units, the movable frame is arranged to be movably connected with the rack, and the drilling units are arranged over the plate; wherein a plurality of discharging holes are formed in the machine frame, a material collecting container is arranged below the discharging holes, the material collecting container is used for collecting waste materials, and an opening is formed in one side of the material collecting container. According to the drilling device, automatic conveying of the plates can be achieved, the plates can be drilled in the unwinding state, and the drilling efficiency and flexibility are improved.

This application discloses an elevator guide rail drilling device, relating to the field of elevator guide rail manufacturing technology. It includes a base, a drilling mechanism and a conveying mechanism mounted on the base, a mounting seat on the base, and a support block on the mounting seat. A trigger rod is mounted on the drilling mechanism, and a drive mechanism is mounted on the mounting seat. When the lifting end of the drilling mechanism descends, the trigger rod moves downwards and, through the drive mechanism, drives the support block upwards. The support block is equipped with a first limiting mechanism and a second limiting mechanism. This application utilizes the support block and pressure roller to limit the guide rail along its height direction, the first limiting mechanism to limit the guide rail along its width direction, and the second limiting mechanism to limit the guide rail along its length direction, reducing guide rail deviation during drilling and thus achieving higher drilling accuracy.

The invention relates to the field of sheet metal machining equipment, in particular to an anti-falling pin drilling positioning auxiliary device and drilling machining equipment. The anti-disengaging pin drilling auxiliary positioning device comprises a positioning seat, a horizontally-penetrating positioning hole is formed in the positioning seat, a hard alloy drill bushing is perpendicularly fixed to the top face of the positioning seat, and a bottom hole of the drill bushing intersects with the positioning hole; a horizontal clamping groove is formed in the positioning seat, and the position of the horizontal clamping groove corresponds to that of the anti-falling pin clamping groove of the anti-falling pin; a horizontal clamping groove blocking piece is installed in the horizontal clamping groove and is in micro-clearance fit with the anti-falling pin clamping groove. A chip groove is formed in the positioning seat and located under the drill bushing bottom hole and above the horizontal clamping groove blocking piece. The drilling tool is simple in structure and convenient to machine, the perpendicularity and the position precision of anti-falling pin drilling can be ensured, rotation in the machining process is prevented, and the machining efficiency is improved.

The utility model discloses a base for fixing a core drill underwater, which belongs to the technical field of core drills and comprises a supporting bottom plate, a connecting plate is mounted at the top of the supporting bottom plate, two first fixing plates are fixedly connected to the top of the connecting plate, and two second fixing plates are mounted at the bottom end of the supporting bottom plate. And mounting rings are fixedly connected to the tops of the two second fixing plates. By arranging the first fixing plate, the second fixing plate, the sliding grooves, the fixing rods, the first threaded rods, the first nuts and the fixing nuts, compared with the prior art, the first fixing plate and the second fixing plate can be rapidly connected through swinging of the multiple first threaded rods; and the connecting plate and the supporting bottom plate can be effectively fixed through the multiple first nuts, the number of rotation times of the multiple first nuts is reduced, the complex installation process is reduced, rapid installation and disassembly are convenient to achieve, the working efficiency is improved, and the installation time of underwater operation is shortened.

The utility model discloses a punching device of a cutting bed for producing protective clothing, which comprises a platform, and a receding hole is formed in the platform in a penetrating manner; a support is fixedly installed on the platform, tensioning structures are installed on the two sides of the support, a drilling structure is installed on the support, and the drilling structure is arranged between the two tensioning structures; the tensioning structure comprises a tensioning block, an air cylinder seat is fixedly installed on the support, a tensioning air cylinder is fixedly installed on the air cylinder seat, a cylinder rod of the tensioning air cylinder penetrates through the air cylinder seat and is fixedly provided with a tensioning frame, a plurality of obliquely-arranged sliding tables are fixed to the tensioning frame, the section of each sliding table is in a T shape, sliding grooves in sliding fit with the sliding tables are formed in the tensioning block, and a plurality of sliding rods are fixed to the tensioning block. The tensioning frame is provided with a sliding hole in sliding fit with the sliding rod, and the sliding rod penetrates through the sliding hole and is fixedly connected with the limiting plate. The cutting bed punching device for producing the protective clothing has the advantages of being capable of tensioning the protective clothing, high in punching precision and convenient to use.

The utility model relates to a pneumatic puncher multi -position carousel formula feeding mechanism belongs to mechanical production processing technical field, including work table, the top of work table is provided with four fixed mechanism, and the fixed mechanism includes the shell, the inside installation of shell has double -shaft motor, and the two output ends of double -shaft motor all fixedly installed have screw rod. The device can adjust the interval between two rubber blocks through the cooperation between double -shaft motor, screw rod, threaded sleeve, limit block and limit groove in fixed mechanism, and the device can be flexibly adapted to workpieces of different sizes, the device does not need to frequently change the clamp, the device enhances the adaptability of equipment to diversified production demand, reduces the production preparation time, and through the cooperation of damping rod, spring and rubber block, the device can provide buffer pressure when clamping workpieces, the device can realize the continuous machining of workpieces of different specifications, reduces the production adjustment time, reduces the labor intensity of operating personnel, and improves the overall production efficiency.

The utility model relates to a kind of roll core pipe punching equipment, including rack, the top side of the rack is fixedly connected with guard frame, the side of the rack away from guard frame is horizontally fixedly connected with electric cylinder, the piston rod of the electric cylinder is fixedly connected with top block, the top of the rack is horizontally fixedly connected with feeding chute, the side of the feeding chute is provided with bunker, feeding mechanism is arranged between the feeding chute and the discharge end of bunker, the side of the feeding chute away from electric cylinder is provided with mounting bracket, the side of the top of the mounting bracket towards feeding chute is provided with punching mechanism, the side wall bottom of the side of the mounting bracket away from feeding chute is provided with discharging mechanism.The utility model has the beneficial effects that, by being provided with feeding mechanism, feeding chute, electric cylinder and discharging mechanism, the automatic feeding and discharging of tubular product can be realized, the degree of automation of tubular product feeding and discharging is effectively improved, and the processing efficiency is further improved.

The present invention discloses a mobile drilling trolley, comprising a rear bracket, a front bracket movably connected to the side of the rear bracket, a movable drilling rig pointing to the side of the ditch is horizontally fixed on the front bracket, a water tank and an electric device are fixed on the rear bracket, the water tank and the electric device are respectively connected to the movable drilling rig via pipelines and wires, and a travel wheel is arranged at the bottom of the rear bracket. The trolley structure of the present invention has the advantages of convenient drilling operation, high drilling efficiency and high drilling accuracy, and can reduce labor input and eliminate safety hazards, greatly reduce construction costs and shorten construction period. It can also control pipeline drilling and accurately locate elevation according to the designed cross slope of 4% to ensure smooth drainage.