31results about How to "Prevent affecting the drilling accuracy" patented technology

The invention relates to a puncher, in particular to an insole puncher and aims to provide an insole puncher which can punch an insole instead of manpower, prevents damage to human eyes due to insolescrap bursting and has low probability of causing injury of human hands. The insole puncher comprises a mounting rack, a mounting block, bases, a mounting plate, connecting rods, a bearing seat, a first rotating rod, a first slide rail, a first slider and the like, wherein the bases are arranged at the bottom of the mounting rack; the mounting block is arranged at the top of the mounting rack; theconnecting rods are arranged in the middle and at the lower part of the mounting block; the mounting plate is arranged on the rear sides of the left ends of the connecting rods located on the upper and lower sides; and the bearing seat is arranged at the upper part of the front side of the mounting block. The insole is placed on a rotating plate, the punching position of the insole is enable to face a drill rod, a servo motor is started, the drill rod can move downwards to punch the insole while rotating under the action of gravity of an arc-shaped rod, a person is not required to take a toolto punch the insole, so that time and labor are saved, and the hands are prevented from being injured by the tool.

The invention discloses a safe locking device. The safe locking device comprises a bottom plate and a cross beam which is fixedly arranged above the bottom plate through a stand column, a placement groove with an upward through hole is formed in the top end face of the bottom plate, and an upwards-extending placing column is fixedly arranged in the placing groove; a concave groove with an upward through hole is formed in the end face of the top of the placing column, a workpiece is arranged in the concave groove in a rotating mode, the inner bottom wall of the concave groove is provided with afirst rotating cavity in a downwards extending mode, and the first rotating cavity is rotatably provided with a first direction turning shaft; the right side end of the direction turning shaft is rotatably arranged in the inner wall of the right side of the first rotating cavity, moreover, the left side end of direction turning shaft is connected with a first motor which is fixedly arranged in the inner wall of the left side of the first rotating cavity, direction turning wheels are fixedly arranged on the first direction turning shaft, and fan-shaped conductive teeth are fixedly arranged onthe outer circle of the direction turning wheels.

The invention discloses a safe locking and clamping device. The device comprises a drilling head which is in power connection with a driving device, and a bottom plate which is arranged below the drilling head, a placing groove is formed in the end surface of the top of the bottom plate, a first sliding cavity and a second sliding cavity with upward through holes are formed in the left inner walland the right inner wall of the placing groove correspondingly, a first sliding frame is smoothly installed in the first sliding cavity, a steering device is arranged in the first sliding frame, a second sliding frame is smoothly installed in the second sliding cavity, a locking and clamping device body is arranged in the second sliding frame, a placing frame which penetrates through the top end surface of the bottom plate and extends upwards is fixedly arranged in the inner bottom wall of the placing groove, a first steering cavity is formed in the part, located in the placing groove, in theplacing frame, and a first steering shaft is rotatably arranged in the first steering cavity.

The invention discloses a reinforcing method of ultra-deep stratum shield breaking-in and breaking-out. The reinforcing method comprises the following steps of (1) construction preparation, (2) launching shaft breaking-in opening reinforcing construction, (3) receiving shaft breaking-out opening reinforcing construction, (4) grouting construction, (5) water-proof construction and (6) drilling equipment detachment. The reinforcing method of ultra-deep stratum shield breaking-in and breaking-out is simple in steps, improves the reinforcing efficiency of breaking-in and breaking-out, simplifies steps of a machining technology, and greatly improves the reinforcing quality, the construction difficulty and cost are reduced, and the requirements of shield machining of tunnels in different depthscan be met.

The invention discloses a safe injection mold which comprises a hole drilling head in power connection with a driving device and a fixed base arranged below the hole drilling head. An installing groove is formed in the top end face of the fixed base, a first sliding push cavity and a second sliding push cavity which are provided with upward opening ends are arranged in the left and right inner walls of the installing groove, a first sliding push support is installed in the first sliding push cavity in a sliding push manner, a ring rotating device is arranged in the first sliding push support,a second sliding push support is installed in the second sliding push cavity in a sliding push manner, a locking device is arranged in the second sliding push support, the inner bottom wall of the installing groove is fixedly provided with an installing support penetrating the top end face of the fixed base and extending upwards, a first rotating bin is arranged in the installing support in the installing groove, and a first rotating rod is installed in the first rotating bin rotationally.

The invention discloses a high-efficiency injection mold which comprises a frame foundation, and a top frame fixedly arranged above the frame foundation through an upright rod. An installation groovewith an upward opening end is formed in the top end surface of the frame foundation; an upwards extending installation column is fixedly arranged in the installation groove; a concave cavity with an upward opening end is arranged in the top end surface of the installation column; a mold is rotatably arranged in the concave cavity; a first rotating bin is arranged on the bottom wall in the concavecavity in a downward extending way; a first rotating rod is rotatably arranged in the first rotating bin; the right side end of the rotating rod is rotatably arranged in the inner wall of the right side of the first rotating bin; the left side end of the rotating rod is in power connection with a first motor fixedly arranged in the inner wall of the left side of the first rotating bin; a rotatinground wheel is fixedly arranged on the first rotating rod; and fan-shaped conductive teeth are fixedly arranged on the excircle of the rotating round wheel.

The invention discloses a safe injection mold which comprises a support base and a top support fixedly arranged above the support base through stand columns. An installing groove with an upward opening end is formed in the top end face of the support base, an upwards-extending installing column is fixedly arranged in the installing groove, a concave cavity with an upward opening end is formed in the top end face of the installing column, a mold is rotationally installed in the concave cavity, the inner bottom wall of the concave cavity downwards extends to be provided with a first rotary bin,the first rotary bin is rotationally provided with a first rotary rod, the right side end of the rotary rod is rotationally arranged in the inner wall of the right side of the first rotary bin, the left side end of the rotary rod is in power connection with a first motor in the inner wall of the left side of the first rotary bin, a rotary round wheel is fixedly arranged on the first rotary rod, and fan-shaped electric conduction teeth are fixedly arranged on the outer circle of the rotary round wheel.

The invention discloses a locking and clamping device. The locking and clamping device comprises a hole-drilling head and a base plate, wherein the hole-drilling head is in power connection with a driving device and the base plate is arranged below the hole-drilling head. A placing groove is formed in the end face of the top of the base plate. A first sliding cavity and a second sliding cavity arearranged in the left inner wall and the right inner wall of the placing groove correspondingly, wherein ports of the first sliding cavity and the second sliding cavity face upwards. A first sliding frame is smoothly mounted in the first sliding cavity. A steering device is arranged on the first sliding frame. A second sliding frame is smoothly mounted in the second sliding cavity. A locking and clamping device body is arranged on the second sliding frame. A placing frame is fixedly arranged in the inner bottom wall of the placing groove, wherein the placing frame penetrates through the end face of the top of the base plate and extends upwards. A first steering cavity is formed in the placing frame of the placing groove. A first steering shaft is rotatably mounted in the first steering cavity.