35results about How to "Not affected by size" patented technology

The invention provides a steel hammer nail hand guard, which belongs to the field of hardware tools. It solves the problem of easily hurting fingers when hammering nails. The hammer nail hand guard device includes a straight rod. The inside of the straight rod is provided with a strip-shaped installation groove arranged along the length direction of the straight rod. It also includes a rod-shaped clamping rod, which is inserted in the installation groove. The clamping rod and the A compression spring is arranged between the inner end surfaces of one closed end of the straight rod, and the clamping rod can slide along the length direction of the straight rod. The inner wall of the straight rod is provided with an annular groove, and the clamping rod is provided with an annular positioning ring, and the positioning ring fits against the Leaning in the annular groove, the straight rod and the clamping rod are respectively provided with a main nail hole and a secondary nail hole on the closed end of the straight rod, and the main nail hole and the secondary nail hole are open on one side, and when the positioning ring faces When the closed end of the straight rod slides to one end of the annular groove, the main nail hole and the auxiliary nail hole are flush, and when the positioning ring slides to the other end of the annular groove, the main nail hole and the auxiliary nail hole are just misaligned. The hand protection device can fix two nails, and is suitable for nails with big nail caps.

The invention provides a hand guard device during nail hammering, belongs to the field of hardware tools and solves the problem that fingers are easily injured during nail hammering. The hand guard device during the nail hammering comprises a straight rod, wherein a strip-shaped mounting groove formed along the length direction of the straight rod is formed in the straight rod; the device also comprises a rod-shaped clamping rod; the clamping rod is inserted into the mounting groove; a compressed spring is arranged between the clamping rod and the inner end surface of one closed end of the straight rod, and the clamping rod can slide along the length direction of the straight rod; an annular groove is formed in the inner wall of the straight rod; an annular positioning ring is arranged on the clamping rod and presses against in the annular groove in a matched mode; a primary nail hole and a secondary nail hole are respectively formed in the straight rod and one closed end, which is close to the straight rod, of the clamping rod; one side of each of the primary nail hole and the secondary nail hole is open; and when the positioning ring slides to one end of the annular groove towards one closed end of the straight rod, the primary nail hole flushes with the secondary nail hole, and when the positioning ring slides to the other end of the annular groove, the primary nail hole and the secondary nail hole are just staggered. According to the hand guard device, nails can be fixed, and the device is suitable for the nails with large nail heads.

A suspension device for calligraphic and painting works comprises a length adjusting mechanism, connecting mechanisms, telescopic mechanisms and a suspension cord. Two ends of the suspension cord are connected with the length adjusting mechanism, and two ends of the length adjusting mechanism are connected with the telescopic mechanisms respectively through the connecting mechanisms. The suspension device is a scroll suspension device, which can be demounted or mounted anytime, is highly flexible and is capable of automatically balancing.

The invention discloses a handheld type forming device for a R-zone filler and a forming method. The device comprises two parts: 1) an upper forming unit and 2) a lower forming unit. The device has asimple structure, is portable and can be used for quickly forming the R-zone filler required by the forming of a composite part (component) on a production field; the boundary dimension and interior density of the filler both can meet the requirements; the problem of quick and low-cost preparation of the R-zone filler can be solved.

The invention relates to a high-frequency direct-current heating auxiliary rolling device added on a machine tool. The high-frequency direct-current heating auxiliary rolling device comprises a rolling device, a heating component and a loading component; the rolling device is fixedly mounted on a cutter frame of the machine tool; and a rolling head is towards parts to be machined. The heating component comprises a high-frequency direct-current power supply, two copper electrodes and two electric brushes; and the high-frequency direct-current power supply, the two electric brushes, the two copper electrodes and the parts to be machined are connected through leads to form a closed loop. The loading component comprises an electric brush frame, two insulation fixed thimbles and an insulation revolving thimble; and in the horizontal direction of the machine tool, a machine tool tail base, the insulation revolving thimble, the first insulation fixed thimble, the first copper electrode, the parts to be machined, the second copper electrode, the second insulation fixed thimble and a power tool power chuck are coaxially clamped in sequence. The invention further relates to a machining method of the high-frequency direct-current heating auxiliary rolling device. The device is simple in structure, convenient to operate and high in practicability, and belongs to the field of metal machining equipment.

The invention relates to a measuring tool for multiple round mouth pulsation measurement based on parts. The measuring tool comprises a main body positioning device and a measuring device vertically connected. The main body positioning device mainly comprises a positioning base (1) and a roller frame (2). The roller frame (2) is connected with the right end of the positioning base (1). The measuring device mainly comprises a lever (3), a gauge stand (4) for installing a dial indicator and a measuring head (5), wherein the upper end of the lever (3) is connected with the upper end of the gauge stand (4) for installing the dial indicator, the lower end of the lever (3) is connected with the measuring head (5), and the lever (3) is vertically connected with the positioning base (1). The measuring tool for multiple round mouth pulsation measurement based on parts provided by the invention particularly can ensure accurate measurement of parts, and reduce the manufacturing cost of tools, in particular to measurement of large parts. As the measuring tool is small in size, the measuring tool can be directly placed on the parts, therefore, the measuring tool is light and convenient to use, and is not affected by fields and part placing states.

The invention discloses a method for splicing bobbin paper of a cigarette making machine. The method comprises the following steps that: a controller operably connected with each air cylinder, a bobbin paper cutter and a bobbin paper drive roller is provided; the controller starts a second bobbin paper drive roller to transmit second bobbin paper till the transmitting speed of the second bobbin paper is the same as the transmitting speed of the first bobbin paper when a mark detector detects a first mark, wherein the mark detector is arranged on the downstream of a first air cylinder and a second air cylinder along a work bobbin paper adjacent path, and the first mark is arranged on the first bobbin paper and keeps a first distance with an inner ring of the first bobbin paper; the second air cylinder moves to jack the second bobbin paper wound around a tension roller of the second air cylinder outside to be propped against the first bobbin paper when the mark detector detects a second color block, and the second bobbin paper is adhered and lapped with the first bobbin paper wound around the tension roller of the first air cylinder through an adhesive, wherein the second mark is arranged on the first bobbin paper and keeps a second distance with the inner ring of the first bobbin paper, and the second distance is smaller than the first distance; and the controller drives a bobbin paper cutter arranged on the downstream side of the tension roller of the second air cylinder and a bobbin paper cutter arranged on the upstream side of the tension roller of the first air cylinder to respectively cut off the first bobbin paper and the second bobbin paper, thus the second bobbin paper as a spare bobbin paper is converted into working bobbin paper.

The invention discloses a tabletop detection method for a super-large splicing platform. The tabletop detection method comprises the steps as following: detecting all subplatforms of the splicing platform one by one through automatic walking equipment with an inclination sensor and a step difference sensor, detecting the levelness of each subplatform each time, and detecting a step difference between one subplatform and two adjacent subplatforms respectively; and transmitting detection parameters to a main control unit, and performing data processing to obtain tabletop parameters of the splicing platform, wherein the two adjacent subplatforms are subplatforms in contact with two adjacent sides of the detected subplatform. The tabletop detection system integrates a detection trolley, a walking system, an inclination detection system, a step difference detection system and a data transmission system, and can quickly detect the inclination and the step difference of the splicing platform, so that the problems of high manual detection workload, large error and high possibility of error are avoided.

The invention discloses a solution type flow measuring device. The solution type flow measuring device is designed on the basis of a solution dilution method flow measuring principle. The solution type flow measuring device comprises a 90-degree bent cavity used for containing water flow to be measured, a water tank, a Marriott bottle used for feeding a solution at a constant-speed, and a solution concentration measuring instrument, wherein the cavity is communicated with the water tank, the Marriott bottle is arranged above the starting end of the water tank, a water damming bank is arranged at the tail end of the cavity so that the water depth and flow velocity of water flowing out of the cavity can be transversely distributed more uniform, the longitudinal section of the water damming bank is triangular, the water tank is a prism with the top open, and the length of the water tank is no smaller than nine times of the side length of the cross section of the cavity. The solution type flow measuring device is high in measuring precision of large flow, can be used for measuring the flow of water flow ejected out of a pipe, and is particularly suitable for measuring the flow under the conditions that a downhole drainage drilled hole is large in flow of outlet water.

The invention provides a hand guard device during nail hammering, belongs to the field of hardware tools and solves the problem that fingers are easily injured during nail hammering. The hand guard device during the nail hammering comprises a straight rod, wherein a strip-shaped mounting groove formed along the length direction of the straight rod is formed in the straight rod; the device also comprises a rod-shaped clamping rod; the clamping rod is inserted into the mounting groove; a compressed spring is arranged between the clamping rod and the inner end surface of one closed end of the straight rod, and the clamping rod can slide along the length direction of the straight rod; an annular groove is formed in the inner wall of the straight rod; an annular positioning ring is arranged on the clamping rod and presses against in the annular groove in a matched mode; a primary nail hole and a secondary nail hole are respectively formed in the straight rod and one closed end, which is close to the straight rod, of the clamping rod; one side of each of the primary nail hole and the secondary nail hole is open; and when the positioning ring slides to one end of the annular groove towards one closed end of the straight rod, the primary nail hole flushes with the secondary nail hole, and when the positioning ring slides to the other end of the annular groove, the primary nail hole and the secondary nail hole are just staggered. According to the hand guard device, nails can be fixed, and the device is suitable for the nails with large nail heads.