36results about How to "Stable drilling" patented technology

The invention discloses an anchor rod jacking mechanism which comprises a fixing mechanism, a supporting mechanism, a sliding block and a drill box mechanism. The fixing mechanism comprises a base, a stand plate and a connecting seat. Protrusions for fixing guide blocks are arranged on the stand plate. The supporting mechanism and the sliding block are in sliding connection with the opposite side faces of the stand plate through the guide blocks respectively. One end of the supporting mechanism and one end of the slide block are connected with base through telescopic oil cylinders. The drill box mechanism comprises a bottom frame and two independent drill box sliding seats. The bottom frame is connected with the base, and the drill box sliding seats can horizontally move along the bottom frame. When the drill box sliding seats move to the sliding block, the drill box sliding seats can be connected with the other guide rail face of the sliding block and slide along the sliding block. The invention further discloses an anchor rod jacking drilling carriage with a drilling machine. The anchor rod jacking drilling carriage comprises a four-wall anchor rod jacking drilling carriage body and a six-arm anchor rod jacking drilling carriage body. The drilling machine in the anchor rod jacking drilling carriage can work at the same time. Fast supporting operation on a top plate can be achieved, the structure is compact, and multiple functions are achieved. The anchor rod jacking mechanism and the anchor rod jacking drilling carriage operate in cooperation with heading equipment to complete the supporting and transferring function synchronously, operating personnel are greatly reduced, the labor intensity is lowered, and the supporting efficiency and safety are improved.

A drill comprises a shaft with chip conveying flutes and a drill head at its forward end with at least two cutting inserts. Each cutting insert is provided with at least one cutting edge which is delimited between a chipbreaking surface and first relief surface and which includes an outer straight edge. In the proximity of the center axis of the shaft, a curved cutting edge section is provided, to which there is connected an adjacent enforcement bevel. The cutting edge is in direct proximity to a center axis, and is terminated by a chisel edge between the cutting inserts to serve as a centering core portion. The curved cutting edge section is inwardly followed by a primary straight portion without an adjacent enforcement bevel in a direction that is oriented at an angle of between approximately 40–50° in relation to a horizontal line that extends through the center axis of the drill.

The present invention relates to the field of drilling, and provides an anti-settling apparatus and a method and apparatus for checking the same, and an apparatus for preventing settlement of a well. The anti-settling apparatus of the present invention is installed in the wellhead region of the well during drilling to prevent the well from settlement. The anti-settling apparatus generally includes: an anti-settling base having an opening corresponding to the wellhead formed at the center thereof, the anti-settling base being disposed in the wellhead region during drilling; and an interlocking member 5 disposed at the opening to connect and fix a casing provided in the well with the anti-settling base. The apparatus for preventing settlement of a well comprises the anti-settling apparatus and checking method for the anti-settling apparatus.

The invention discloses a double-head coaxial boring and milling machining device for machining, relates to the technical field of machining, and solves the problems that an existing machine tool canonly drill one end of a shaft part at a time, the other end of the shaft part can be drilled only by clamping the part again, the steps are tedious, hole sites at the two ends of the part are prone todeviation, and the production precision of parts is influenced. The double-head coaxial boring and milling machining device for machining comprises coaxial machining mechanisms, and the number of thecoaxial machining mechanisms is two. When the device is used for drilling the two ends of the shaft part, drill bits of two drill bit clamps can be coaxially driven to rotate through a transmission shaft, the two coaxial machining mechanisms can independently move, so that operation of drilling the two ends of the shaft part can be completed at the same time, one-time forming is achieved, the part does not need to be clamped again, drilling positioning is accurate, the operation is convenient and flexible, machining efficiency is high, and practicability and flexibility of the device are improved.

The invention discloses a processing device of a carbon hollow bar. The carbon hollow bar comprises a carbon bar fixing machine and a drilling device, wherein a work table is arranged on the drilling device; a motor is fixedly mounted at one end of the work table; a processing cutter rod is arranged on the motor; the rear end of the processing cutter rod is fixedly connected to o the motor; a processing cutter blade is arranged at the front end of the processing cutter rod; a limit supporting block is also arranged on the processing cutter rod; the limit supporting block is fixed on the work table through a bracket; the carbon bar fixing machine is mounted at the front end of the drilling device; mechanical clamping arms are respectively arranged at the upper end and the lower end of the carbon bar fixing machine; a blast blower is arranged in the center of the carbon bar fixing machine. Through the manner, the processing device disclosed by the invention can stably drill holes in a carbon bar, and scraps in the carbon bar can be cleaned in time after the cutter retracts; the processing cutter is stable to work; the limit supporting block is arranged at the bottom in a supporting manner, so that the working stability is improved.

The invention provides a plate drilling device. The plate drilling device comprises a machine body, wherein a sliding cavity is formed in the machine body, and a sliding frame body is arranged in thesliding cavity in an up-and-down sliding mode. A first sliding groove with a downward opening is formed in the center of the sliding frame body, a second sliding groove communicating with the first sliding groove is formed in the upper end of the first sliding groove and in the sliding frame body, a linkage plate is arranged in the second sliding groove in an up-and-down sliding mode, a lifting strip is arranged in the first sliding groove in an up-and-down sliding mode, and the upper end of the lifting strip is fixedly connected with the linkage plate. The lower end of the lifting strip is fixedly provided with a drilling motor, the lower end of the drilling motor is in power connection with a drilling tool, an upper mounting groove and a lower mounting groove are symmetrically formed inthe left side and the right side of the sliding frame body, a conversion motor is fixedly arranged between the upper mounting groove and the lower mounting groove, the upper end and the lower end of the conversion motor are in power connection with an upper power shaft and a lower power shaft respectively, and a communication groove for communicating the upper mounting groove and the lower mounting groove is formed in the portion between the upper mounting groove and the lower mounting groove and at the rear end of the conversion motor.

The invention provides a drilling tool. The drilling tool comprises a drilling tool body and a drilling tool bit, wherein a clamping handle and a first spiral groove are arranged on the drilling toolbody; a second spiral groove is arranged on the drilling tool bit; the second spiral groove is communicated with the first spiral groove; a cooling water hole is arranged on the drilling tool body; athird groove is also arranged on the drilling tool body; a positioning pin hole is arranged on the bottom surface of the third groove; a cylinder is arranged at the bottom of the drilling tool bit; the drilling tool bit is inserted into the positioning pin hole through the cylinder so as to be arranged in the third groove; and an inclined surface is arranged on the cylinder, a first threaded through hole is arranged at a preset position below one side wall of the third groove, a first screw penetrates through the first threaded through hole and clamps the cylinder through the inclined surface,and then the drilling tool bit is locked. According to the scheme, on the premise of keeping the clamping precision, the effective locking times are increased in multiple levels, and the drilling tool has high drilling efficiency.

The object of the present invention is to provide a drill that is long in length and has a small diameter, and at the same time, features a high strength capable of advancing straight forwards as well as being capable of drilling holes having excellent inner wall roughness so as to enhance the applicability of the drill. The solution of the present invention is a drill 3 comprising plural chip discharge grooves 2 helically formed on a peripheral surface, a margin section 1 provided between the chip discharge grooves 2, and cutting edge 8 formed on a tip thereof. The drill 3 is made of ultra-hardened alloy and includes more than three chip discharge grooves 2. A flank 4 is provided at a front face of each of the margin section 1, to form more than three chisel edges 5 by crossing adjoining chisel edges. Intersections of the three chisels 5 form an acute point. An opposite face of a cutting face 10 of the margin section 1 is provided with a swelling section 7 extending towards the chip discharge grooves 2.

The invention discloses a precise drilling fixing device for an arc-shaped surface of a hardware product, which comprises a base, a first through groove is formed in the top surface of the base, a vertical plate is fixedly and vertically mounted on the top surface of the base, and a top plate is fixedly and vertically mounted on the top surface of the vertical plate. A shell is installed on the top face of the base and connected to the right side face of the vertical plate. A motor is installed at the left end of the top face of the base, the shaft end of the motor is in key connection with the left end of a rotating shaft, the rotating shaft movably penetrates through the vertical plate and the left side wall of the shell, and meanwhile the right end of the rotating shaft is in bearing connection with the inner wall of the right side of the shell. According to the precise drilling fixing device for the arc-shaped surface of the hardware product, it can be conveniently guaranteed that drilling is conducted after the hardware product is stably clamped and fixed, meanwhile, the distance between adjacent holes is conveniently adjusted, operation is easy, convenient and flexible, and practicability is high.

The invention discloses a perforating device for capacitor film machining. The perforating device comprises a bottom plate, two rotating cylinder mounting rings are arranged on the vertical upper side of the bottom plate, a middle shaft cylinder is rotationally erected between the two rotating cylinder mounting rings, a plurality of mounting mechanisms are arranged on the outer side of the middle shaft cylinder in a divergent mode, a cutting assembly is detachably mounted at the end of each mounting mechanism, a downward-pressing assembly is arranged at the top of the middle shaft cylinder, a suction cavity is formed in one end of the middle shaft cylinder, a dust collector is further mounted on the top side of the bottom plate, a communicating pipe is mounted on the dust collector, one end of the communicating pipe communicates with the suction cavity, a fixing mechanism is arranged between the middle shaft cylinder and each rotating cylinder mounting ring, and each mounting mechanism comprises a side pipe fixedly connected with the middle shaft cylinder. The perforating device is high in applicability, can meet the perforating requirements of different capacitor films, can collect waste materials in time, is convenient to use, is ingenious and stable in structure, reduces the production cost, and meets the use requirements of people in production and life.

The invention provides a bridge demolition construction method and equipment thereof. The equipment comprises a floating mechanism, a clamping mechanism arranged at one end of the floating mechanism, an inclination angle adjusting mechanism arranged at the top of the floating mechanism and a drilling mechanism installed on the inclination angle adjusting mechanism. According to the bridge demolition construction equipment, drilling operation can be stably conducted on the side wall of a water surface pier on the water surface, and after drilling is conducted, blasting personnel can conduct blasting demolition on the pier after charging explosives into a hole. The bridge demolition construction equipment is high in reliability and automation degree, the problem that blast holes are difficult to drill when water surface piers are demolited at present is effectively solved, the construction safety and convenience of workers are improved, and the construction efficiency of the workers is effectively improved.

The invention provides a novel plate drilling machining device. The novel plate drilling machining device comprises a machine body, wherein a sliding cavity is formed in the machine body, and a sliding frame body is arranged in the sliding cavity in an up-and-down sliding mode. A first sliding groove with a downward opening is formed in the center of the sliding frame body, a second sliding groovecommunicated with the first sliding groove is formed in the upper end of the first sliding groove in the sliding frame body, a linkage plate is arranged in the second sliding groove in an up-and-downsliding mode, a lifting strip is arranged in the first sliding groove in an up-and-down sliding mode, and the upper end of the lifting strip is fixedly connected with the linkage plate. The lower endof the lifting strip is fixedly provided with a drilling motor, the lower end of the drilling motor is in power connection with a drilling tool, an upper mounting groove and a lower mounting groove are symmetrically formed in the left side and the right side of the sliding frame body, a conversion motor is fixedly arranged between the upper installation groove and the lower installation groove, the upper end and the lower end of the conversion motor are respectively and electrically connected with an upper power shaft and a lower power shaft, between the upper installation groove and the lower installation groove, and a communication groove communicated with the upper installation groove and the lower installation groove is formed in the rear end of the conversion motor.

The invention provides a drilling tool, which is capable of preventing chip winding and capable of stably drilling holes by using a small-diameter drill bit with a diameter smaller than 0.7 mm, in particular smaller than 0.4 mm, and achieves long breakage-resistant lifetime and excellent practicability. The tail end of a tool body (1) is equipped with one or more cutting blades. Multiple helical chip-evacuating grooves are formed in the outer circumference of the tool body (1) from the tail end of the tool body to the base end, wherein the multiple chip-evacuating grooves at least comprise one main groove (2a) and one auxiliary groove (2b). The one or more auxiliary grooves (2b) are joined with the main groove (2a) at the halfway portion of the main grove (2a). In addition, the join portion (6) where the main groove (2a) and the auxiliary groove (2b) are joined has class difference (7).