115results about "Mechanical length measurements" patented technology

A handheld measuring device is provided that facilitates measurement of elongated articles such as wire, rope, cable, tubing, and the like. The device includes a housing having an upper and a lower roller that are adapted to bear against an article to be measured. The lower roller is connected to a counter assembly and the upper roller is rotatably supported within a clevis and affixed to a plunger assembly. A spring biased locking mechanism locks the plunger assembly in place as the article to be measured is drawn between the rollers. The counter assembly registers a linear distance traveled by the lower roller for accurate measurement of the work piece. The device can be deployed in one hand and is suitable to be carried on one's person when not in use. The housing facilitates insertion of a work piece while the rollers and clevis member prevent separation from the rollers.

The invention discloses a bearing device for fixed length moving cutting of a textile fabric. The bearing device comprises a strip-shaped bearing base. A strip-shaped hollow shell is fixedly connected to the upper surface of the strip-shaped bearing base. A first semicircular through groove is formed in the upper surface of the strip-shaped hollow shell. A first semicircular uncovered shell is embedded into the first semicircular through groove. A plurality of first rotating circular shafts are arranged at one end of the upper surface of the first semicircular uncovered shell. The multiple first rotating circular shafts are sleeved with a second semicircular bottomless shell matched with the first semicircular uncovered shell, a bearing mechanism is arranged inside the first semicircular uncovered shell, a moving cutting mechanism is arranged on the front surface of the strip-shaped hollow shell, a moving mechanism is arranged on the lower surface of the strip-shaped bearing base, a measuring mechanism is arranged on the front surface of the second semicircular bottomless shell, and a controller is arranged on the side surface of the strip-shaped hollow shell. The bearing device has the advantages of being simple in structure and high in practicability.

The invention provides a cable on-line detection system and belongs to the technical field of cable inspection systems. The system includes a cable diameter tester, a high-frequency spark testing machine, a concave-convex defect detection apparatus, a meter counting device, a PLC control unit, a communication protocol converter, a PC industrial personal computer and an audible and visual alarm; the high-frequency spark testing machine, the concave-convex defect detection apparatus, the cable diameter tester and the meter counting device are connected with the PLC control unit respectively, the PLC control unit is connected with the communication protocol converter and the audible and visual alarm, the communication protocol converter is connected with the PC industrial personal computer, and the PC industrial personal computer is provided with a display screen and a printing output device. The system has the advantages that operators do not need to often go to a site to check whether the current state is within a controlled range or not, the automation of cable on-line detection is achieved, the production efficiency is improved, the workload of the operators is reduced, the PC industrial personal computer is used for displaying the state in real time and recording and storing data, and it is convenient for the operators to check the current state of a product, find a problem timely and solve the problem in the short time.

The invention discloses a cable length meter, comprising a n-shaped frame, a guiding mechanism, a pressing adjustment mechanism, and a metering mechanism. The n-shaped frame consists of a horizontal top plate, a horizontal bottom plate, and a connecting plate vertically disposed between the top plate and the bottom plate. The guiding mechanism is located in the n-shaped frame and comprises a supporting shaft, a plurality of guiding wheels, a cylinder, an inverted U-shaped limiting member, and an abutting member. The pressing adjustment mechanism is located in the n-shaped frame and comprises apair of fixed cylinders vertically fixed on the top plate, a pressure roller and a spring disposed between a pair of the fixed cylinders. The metering mechanism is located in the n-shaped frame and comprises a positioning shaft vertically arranged on the bottom plate, a meter wheel rotatably disposed on the positioning shaft, and a meter connected to the meter wheel. According to the cable lengthmeter, a flexible cable whose length need to be measured is straightened to avoid slipping and misalignment of the cable when passing through the meter wheel, so that a measurement result has high accuracy and small error.

A depthometer for measuring a length of an elongate line. A main wheel is mounted upon a main body component and is in communication with a registering mechanism. Line guides are mounted upon a lower body component. An inner handle connected to the main body component is pulled toward an outer handle connected to the lower body component, in opposition to a spring-like force in the opposite direction, to open the depthometer and position a line within the depthometer. The main body component is automatically moved towards the lower body component via a spring-like force when the inner handle is released, thereby engaging the line in the depthometer in the installed position.

A system (12) for measuring geometry of a non-circular twisted strand (10) during a stranding process, the system comprising: a pulley (14), for being rotated by linear displacement of the strand (10) induced by the stranding process; a first encoder (16), for measuring the rotation of the pulley (14), thereby measuring the linear displacement of the strand (10); at least one embracing element (36), for embracing a vertex (38) or another zone (48) of the strand (10), for being rotated perpendicular (60) to the longitudinal position (58) of the strand (10), the embracing obtained by the non-circular character of the strand (10) rather than by friction, thereby allowing sliding the at least one embracing element (36) therealong; and a second encoder (20), for measuring the rotation of the at least one embracing element (36), thereby measuring the twist character of the strand (10).

The invention provides a fork height monitoring device. Real-time lifting height information of a fork is converted into an electrical signal by a pull rope displacement sensor; the electrical signalis transmitted to a display control device; the display control device calculates real-time height of the fork according to the electrical signal received, and displays the real-time height via a screen; finally, an operator may monitor in real time and accurately know the lifting height information of the fork.

The present invention provides a road and bridge construction measurement device. The problems are effectively solved that errors are large, labor intensity is high, the efficiency is low and economicbenefit is lost when manual length measurement is performed. The method provided by the invention reduces the consumption of raw materials, saves the labor and save the cost so as to improve the economic benefit. The method employs a mechanical structure to achieve measurement of the length of a steel strand with no need for electric energy so as to facilitate usage in the construction process, have convenient and accurate measurement and low worker labor intensity and be suitable for batch measurement of the steel strand, after the steel strand reaches a predetermined length, a runner can belocked and is not rotated, the length of the steel strand is a required length, and after the a structure on a graduated disc is set, the method can automatically obtain the steel strand with the required length.

A testing machine (1) to perform a plurality of measurements and/or tests on a film (100) made of plastics in order to determine mechanical and physical properties of the film (100), comprises a basicstructure (2) provided with a supporting plane (8); an unwinding station (3) provided with an unwinding roller (31) driven and/or controlled in rotation about a respective longitudinal axis by firstdriving means (32) and arranged to support a reel (101) of the film (100); a pre- stretching station (4) arranged to unwind the film (100) from the reel (101) with a preset unwinding speed and to pre-stretch the film (100) of a preset percentage, the pre-stretching station (4) comprises a couple of pre-stretching rollers (41; 42) driven in rotation about respective longitudinal axes by second driving means (43, 44) and a plurality of return rollers (45, 46, 47) to deviate and wrap the film (100) on the pre- stretching rollers (41, 42) according to a predetermined pre-stretching path; the pre-stretching rollers (41, 42) and return rollers (45, 46, 47) are interchangeable and adjustably positionable to change the pre-stretching path; the testing machine (1) further comprises a wrapping station (5) provided with a testing drum (51) driven and/or controlled in rotation about a respective longitudinal axis by third driving means (52) and arranged to be wrapped at least partially by the film(100) coming out from the pre-stretching station (4); a plurality of guiding rollers (21-24) to lead the film (100) along an unwinding path from the unwinding station (3) to the pre-stretching station (4) and from the latter to the wrapping station (5), the guiding rollers (21-24) being interchangeable and reversibly and adjustably mountable to the supporting plane (8) to change the unwinding path; a plurality of measuring groups (11-16) to perform a plurality of respective measurements at least of dimensional and/or physical parameters of the reel (101) and of the film (100) and reversibly and adjustably mountable to the supporting plane (8) depending on the unwinding path; a plurality of testing groups (17-20) provided with respective means to interact with the film and perform respective tests and measurements on the film (100) in order to determine mechanical and physical properties of the latter.

The wire and cable length metering device comprises a machine body, an electric heating pipe and a motor, wherein the electric heating pipe is arranged in the machine body, the motor is arranged on the right side of the machine body, the output end of the motor is connected with a threaded rod, a discharging port is formed in the left side of the machine body, a feeding port is formed in the rightside of the top end of the machine body, a water inlet is formed in the left side of the top end of the machine body, a control button is arranged on the outer wall of the water inlet, the control button is fixedly connected with one end of a first rotating shaft, a first gear is welded to the other end of the first rotating shaft, the first gear is in meshed connection with a second gear, and one end of a second rotating shaft is welded to the top end of the second gear. By arranging the torsion spring, the rotating plate and the second rotating shaft, the rotating plate can fix a wire and acable, calculation errors caused by falling during winding are prevented, and by arranging the graduated scale on the fixing plate, people can conveniently observe and read.

The invention provides an online automatic measurement method for the length of a stokehole plate blank, which belongs to the technical field of metal processing. According to the method, a laser range finder and a plurality of cold metal detectors are mounted on a stokehole plate blank conveying roller way to realize online automatic measurement of the length of a plate blank; firstly, the plateblank is conveyed in a roller way conveying process; when a rising edge signal of a cold metal detector is received each time, the laser range finder measurement data at the moment are locked and stored, then the effectiveness of the laser range finder measurement data is judged, and finally the actual length of the plate blank is calculated according to the geometrical relationship among the laser range finder, the plate blank and the cold metal detectors. The equipment investment is low, the measuring method is simple, the length measuring range is large, and meanwhile the length of the plate blank can be measured in the plate blank conveying process.

An electric wire net content length measuring machine comprises a rack, a wire pay-off frame, a wire conduit positive ring, a first guide wheel, a second guide wheel, a metering wheel, a pressing device, a revolution meter, a speed regulating potentiometer, a control switch, an induction counter, a wire arranging device, an opening and closing take-up disc, a motor, an extension tube connecting thread ring, a standard length extension connecting pipe L and a standard length extension connecting pipe A. The motor is located in the rack and connected with the opening and closing take-up disc. The wire arranging device is fixed to the rack and located on the left side of the opening and closing take-up disc. The control switch, the induction counter and the speed regulating potentiometer arearranged on a table top of the rack and located between the metering wheel and the wire arranging device. The electric wire net content length measuring machine is a set of integrated equipment, can randomly move without being limited by occasions, is not influenced by the environment humidity, and is high in length measurement accuracy and small in measurement precision error range, dual diversified standard measurement can be carried out at the same time through two methods, and the electric wire net content length measuring machine is metering equipment very good in net content length measurement.

The invention relates to the technical field of plate packaging, and in particular, relates to an automatic plate size measuring station and a measuring method thereof. The automatic plate size measuring station comprises a feeding mechanism, a thickness measuring mechanism, a width measuring mechanism, a length measuring mechanism and a discharging mechanism which are used for automatically measuring thickness data, width data and length data of plates respectively. According to the automatic plate size measuring station and the measuring method thereof, the length data, the width data and the thickness data of the plates are measured fully automatically and accurately, manpower is not needed, the labor cost is saved, the production efficiency is improved, the accuracy of the measured data is high, subsequent production of packaging paper of the corresponding size is facilitated, the plates are protected completely, resource waste is avoided, and the packaging appearance of the plates is more exquisite, the automatic plate size measuring station is capable of continuously measuring the plates of various sizes and high in practicability, and all operation in the measuring process is agile in cooperation and high in fluency.