CN110864600B - A tension-measurable meter-counting device - Google Patents
A tension-measurable meter-counting device Download PDFInfo
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- CN110864600B CN110864600B CN201911162675.5A CN201911162675A CN110864600B CN 110864600 B CN110864600 B CN 110864600B CN 201911162675 A CN201911162675 A CN 201911162675A CN 110864600 B CN110864600 B CN 110864600B
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- wheel
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- tension
- swing arm
- meter
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/02—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness
- G01B5/04—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness specially adapted for measuring length or width of objects while moving
- G01B5/043—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness specially adapted for measuring length or width of objects while moving for measuring length
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/04—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring tension in flexible members, e.g. ropes, cables, wires, threads, belts or bands
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- General Physics & Mathematics (AREA)
- Drives For Endless Conveyors (AREA)
Abstract
本发明涉及一种张紧力可测的计米装置，包括设置有上轮组和下轮组的装置架，上轮组中的一个传动轮为张紧轮，装置架上铰接有轴线沿前后方向延伸的摆臂，所述张紧轮转动装配于所述摆臂上，摆臂远离其铰接轴线的一端与装置架之间设置有张紧力调节部件，装置架上设置有螺杆穿孔，张紧力调节部件包括贯穿所述螺杆穿孔的张紧力调节螺杆，张紧力调节螺杆上于所述螺杆穿孔的至少侧螺纹连接有张紧力调节螺母，张紧力调节部件上串设有测力传感器。旋转张紧力调节螺母，摆臂带动张紧轮移动，从而实现张紧计米同步传送带，同时串设于张紧力调节部件上的测力传感器可以直接的测出摆臂所受到的作用力，从而获得计米同步传送带的张紧力。
The invention relates to a meter counting device with measurable tension force, comprising a device frame provided with an upper wheel group and a lower wheel group, one of the transmission wheels in the upper wheel group is a tension wheel, and the device frame is hinged with an axis along the front and rear. A swing arm extending in the direction, the tensioning wheel is rotatably assembled on the swing arm, a tension adjusting part is arranged between the end of the swing arm away from its hinge axis and the device frame, and the device frame is provided with a screw hole through which the tension force is adjusted. The tensioning force adjusting part includes a tensioning force adjusting screw that penetrates through the screw hole, the tensioning force adjusting screw is screwed with a tension adjusting nut on at least one side of the screw hole, and the tension adjusting part is serially provided with a measuring device. force sensor. Rotate the tension adjusting nut, and the swing arm drives the tension wheel to move, so as to realize the tension meter meter synchronous conveyor belt. At the same time, the load cell connected to the tension adjusting part can directly measure the force on the swing arm. , so as to obtain the tension of the meter synchronous conveyor belt.
Description
Technical Field
The invention relates to a tension measurable meter counting device in the field of length measurement.
Background
The requirement for accurate length measurement exists in the production and sale processes in the fields of printing, compounding, winding and the like, the conventional measurement mode adopts a meter measuring device for measurement, and the measurement accuracy of the meter measuring device directly influences the measurement accuracy of products such as cables and the like.
The conventional length measuring device is disclosed in chinese patent CN207881602U, and the length measuring device includes a device frame provided with an upper wheel set and a lower wheel set, at least one driving wheel in the upper wheel set and the lower wheel set is a length measuring wheel, an upper conveying belt and a lower conveying belt respectively wound around the upper wheel set and the lower wheel set and used for clamping two sides of a corresponding cable to be measured when in use, wherein the conveying belts wound around the length measuring wheel are length measuring synchronous conveying belts.
During the use, the cable under test passes through between last conveyer belt and the lower conveyer belt, and the friction roll cooperation between cable under test and last conveyer belt, the lower conveyer belt to the meter rice wheel that takes the correspondence rotates, measures the length of being surveyed the cable through meter rice wheel pivoted number of turns. Therefore, whether the meter-counting synchronous conveyor belt slips or not with the tested cable is a key factor for determining whether the meter-counting is accurate or not, and the key for determining whether the meter-counting synchronous conveyor belt slips or not with the tested cable is the tension of the meter-counting synchronous conveyor belt.
Disclosure of Invention
The invention aims to provide a metering device capable of measuring the tension of a metering synchronous conveyor belt.
In order to solve the technical problems, the technical scheme of the invention is as follows:
a meter counting device with measurable tensile force comprises a device frame provided with an upper wheel set and a lower wheel set, at least one driving wheel in the upper wheel set is a meter counting wheel with an axis extending along the front-back direction, an upper conveying belt and a lower conveying belt are wound on the upper wheel set and the lower wheel set respectively and clamped on the upper side and the lower side of a corresponding cable to be measured when in use, wherein the upper conveying belt is a meter counting synchronous conveying belt, one driving wheel in the upper wheel set is a tensioning wheel, a swinging arm with an axis extending along the front-back direction is hinged on the device frame, the tensioning wheel is rotatably assembled on the swinging arm, a tensile force adjusting part is arranged between one end of the swinging arm, which is far away from the hinged axis, and the device frame, a screw rod through hole is arranged on the device frame, the tensile force adjusting part comprises a tensile force adjusting screw rod penetrating through the screw rod through hole, and a tensile force adjusting nut is in threaded connection with at least one side of the screw rod through hole on the tensile force adjusting screw rod, and a force measuring sensor is arranged on the tension adjusting component in series.
One end of the force measuring sensor is hinged with the swing arm, and the other end of the force measuring sensor is hinged with the tension adjusting screw rod.
The upper wheel set and the lower wheel set respectively comprise two driving wheels which are arranged at left and right intervals, the two driving wheels of the upper wheel set are respectively an upper wheel set left driving wheel and an upper wheel set right driving wheel, the two driving wheels of the lower wheel set are respectively a lower wheel set left driving wheel and a lower wheel set right driving wheel, the mounting frame comprises a mounting base plate for the swing arm to be mounted in a hinged mode, the upper wheel set left driving wheel and the lower wheel set left driving wheel are both rotatably assembled on the mounting base plate, and the upper wheel set right driving wheel is the tensioning wheel.
The right driving wheel of the lower wheel set is hinged on the swing arm, and a hinged shaft of the swing arm is positioned at the lower sides of the upper wheel set and the lower wheel set.
The mounting base plate and the swing arm are positioned on the front side and the rear side of the upper wheel set and the lower wheel set.
The lower wheel set right driving wheel is located on the corresponding lower side of the upper wheel set right driving wheel, an arc-shaped guide long hole is formed in the mounting base plate, the axis of the lower wheel set right driving wheel extends in the front-back direction, the wheel shaft of the lower wheel set right driving wheel is movably assembled in the arc-shaped guide long hole, a pressure spring for applying upward acting force to the lower wheel set right driving wheel is arranged in the arc-shaped guide long hole, and the motion path of the lower wheel set right driving wheel is parallel to the motion path of the upper wheel set right driving wheel.
The invention has the beneficial effects that: during the use, rotatory tensile force adjusting nut for tensile force adjusting screw applys thrust or pulling force to the swing arm, and the swing arm drives the take-up pulley and removes, thereby realizes the synchronous conveyer belt of tensioning meter rice, and the dynamometry sensor of locating on the tensile force adjusting part of cluster simultaneously can be direct measures the effort that the swing arm received, thereby obtains the tensile force of the synchronous conveyer belt of meter rice.
Further, lower wheelset right drive wheel rotates with last wheelset right drive wheel together and installs in the swing arm, when the adjustment swing arm guaranteed the meter synchronous conveyer belt tensile force, the lower conveyer belt on the lower wheelset was also by tensioning again, it is of course more important, guarantee upper wheelset left drive wheel, interval and last wheelset right drive wheel between the lower wheelset left drive wheel, interval between the lower wheelset right drive wheel is unanimous all the time, thereby guarantee upper and lower conveyer belt can with by the reliable contact of survey cable.
Further, lower wheelset right drive wheel direction removes in the arc direction slot hole of assembling on mounting substrate, when the adjustment swing arm guarantees meter synchronous conveyor belt tensile force, unsteady lower wheelset right drive wheel, can guarantee on, lower conveyer belt can with by the reliable contact of measuring cable, upward direction's effort is applyed to lower wheelset right drive wheel to the pressure spring simultaneously, this can increase by the positive pressure between measuring cable and the last wheelset right drive wheel, thereby increase by the frictional force between measuring cable and the last wheelset right drive wheel, further avoid appearing the problem of skidding.
Drawings
FIG. 1 is a schematic view showing the structure of an embodiment 1 of the meter counting device according to the present invention;
FIG. 2 is a schematic diagram of the swing arm of FIG. 1 cooperating with the right transmission wheel of the upper wheel set and the right transmission wheel of the lower wheel set;
FIG. 3 is a schematic structural view of embodiment 2 of the meter counting device according to the present invention;
fig. 4 is a schematic diagram of the matching of the swing arm and the right transmission wheel of the upper wheel set in fig. 3.
Detailed Description
An embodiment of a metering device with a measurable belt tension is shown in figures 1-2: the device frame comprises a device frame provided with an upper wheel set and a lower wheel set, the device frame comprises a mounting base plate 9 with a plate thickness extending along the front-back direction, and a lifting handle 8 is arranged at the upper end of the mounting base plate 9.
The upper wheel set comprises an upper wheel set left driving wheel 3 and an upper wheel set right driving wheel 11 which are arranged at intervals in the left-right direction, the lower wheel set comprises a lower wheel set left driving wheel 1 and a lower wheel set right driving wheel 14 which are arranged at intervals in the left-right direction, the lower wheel set left driving wheel 1 is located on the corresponding lower side of the upper wheel set left driving wheel 3, the lower wheel set right driving wheel 14 is located on the corresponding lower side of the upper wheel set right driving wheel 11, and each driving wheel is a driven wheel with a rotation axis extending in the front-back direction. At the upper wheel group, respectively around having on the lower wheel group and pressing from both sides last conveyer belt 12 and the lower conveyer belt 5 of locating corresponding measured cable about when being used for, go up conveyer belt 12, lower conveyer belt 5 is the synchronous drive belt that the inboard was equipped with the driving tooth, wherein, upper wheel group right side drive wheel 11 is the take-up pulley that is provided with hall sensor, hall sensor can detect the number of turns of rotation of upper wheel group right side drive wheel, consequently, upper drive belt 12 is the synchronous conveyer belt of meter, in this embodiment, upper wheel group left side drive wheel 3, lower wheel group left side drive wheel 1 all assembles on mounting substrate 9 through the shaft rotation that corresponds. Still articulated on the mounting substrate 9 have the swing arm 17 that the axis extends along the fore-and-aft direction, item 15 in the figure represents the articulated shaft of swing arm, mounting substrate 9 and swing arm 17 are located the front and back both sides of last wheelset and lower wheelset respectively, go up wheelset right drive wheel 11 and lower wheelset right drive wheel 14 and all rotate the assembly in the swing arm, swing arm 17 includes first vertical arm section 10 and the second vertical arm section 13 that sets up from top to bottom, first vertical arm section lower extreme is connected with second vertical arm section 13 through folding arm section 16, articulated shaft 15 sets up in second vertical arm section lower extreme.
The swing arm is provided with tensile force adjusting part between one end of the swing arm far away from the hinge shaft and the device frame, the connecting lug plate 4 is fixed on the surface of the mounting substrate, the connecting lug plate 4 is provided with a screw perforation, the axis of the screw perforation extends along the left and right directions, the tensile force adjusting part comprises a tensile force adjusting screw rod 5 penetrating through the screw perforation, and the tensile force adjusting screw rod 5 is in threaded connection with a tensile force adjusting nut 6 on the right side of the screw perforation. The tension adjusting component is provided with a force measuring sensor 7 in series, the force measuring sensor is a thrust dynamometer capable of measuring thrust, the right end of the thrust dynamometer is hinged with the swing arm, and the left end of the thrust dynamometer is hinged with the tension adjusting screw rod. Item 21 in figure 2 shows a hinge shaft for realizing the articulated connection of the swing arm to the thrust dynamometer.
During the use, the measured cable 2 is payed off through a corresponding tension paying-off machine, the measured cable passes through the upper conveying belt and passes through between the lower conveying belt, the tension adjusting nut is rotated, the tension adjusting screw applies thrust to the swing arm through the thrust dynamometer, thereby realizing the tensioning of the tensioning wheel, in the tensioning process, the tensioning wheel is that the upper wheel set right driving wheel swings right along with the swing arm, the lower wheel set right driving wheel swings accordingly, the upper wheel set right driving wheel and the gap between the lower wheel set right driving wheel can not change, the gap between the upper wheel set left driving wheel and the lower wheel set left driving wheel is ensured to be consistent with the gap between the upper wheel set right driving wheel and the lower wheel set right driving wheel, thereby ensuring the reliable contact of the upper conveying belt and the lower conveying belt and the measured cable, the friction force is ensured, and the problem of skidding between the meter counting synchronous conveying belt and the measured cable is avoided. In other embodiments of the present invention, the tension adjusting part may also be located at the right side of the swing arm, where the tension adjusting part achieves the tension of the tension wheel by applying a tensile force to the swing arm.
An embodiment 2 of a tension measurable meter measuring device is shown in fig. 3-4: the embodiment 2 is different from the embodiment 1 in that the lower wheel set right driving wheel 14 is not installed on the swing arm 17, an arc-shaped guiding long hole 18 with an axis extending along the front-back direction is formed in the installation base plate of the installation frame, a wheel shaft 20 of the lower wheel set right driving wheel 14 is movably assembled in the arc-shaped guiding long hole 18 in a guiding manner, a pressure spring 19 for applying upward acting force to the lower wheel set right driving wheel is arranged in the arc-shaped guiding long hole, and the motion path of the lower wheel set right driving wheel is parallel to the motion path of the upper wheel set right driving wheel. In addition, the mounting base plate 9 and the right transmission wheel 11 of the upper wheel set are respectively positioned at the front side and the rear side of the swing arm 17. In this scheme, when the swing arm swung to the right and the conveyer belt was gone up in the tensioning, go up wheelset right drive wheel and to applying pressure to lower wheelset right drive wheel through being surveyed the cable, lower wheelset right drive wheel moves and dodges along arc direction slot hole, and pressure spring 19 can also increase the positive pressure between being surveyed the cable and last wheelset right drive wheel simultaneously.
Claims (3)
1. The utility model provides a measurable meter rice device of tensile force, is including being provided with the device frame of wheelset and lower wheelset, goes up at least one drive wheel in the wheelset and is the meter rice wheel that the axis extends along the fore-and-aft direction, goes up conveyer belt and lower conveyer belt around being used for when using pressing from both sides respectively on last wheelset, lower wheelset and locates corresponding measured cable about, wherein goes up the conveyer belt and be the synchronous conveyer belt of meter rice, its characterized in that: one driving wheel in the upper wheel set is a tensioning wheel, a swinging arm with an axis extending along the front-rear direction is hinged on the device frame, the tensioning wheel is rotatably assembled on the swinging arm, a tension adjusting part is arranged between one end of the swinging arm, which is far away from the hinged axis, and the device frame, a screw hole is arranged on the device frame, the tension adjusting part comprises a tension adjusting screw penetrating through the screw hole, a tension adjusting nut is in threaded connection with at least one side of the tension adjusting screw, which is provided with a force transducer in series, the upper wheel set and the lower wheel set both comprise two driving wheels which are arranged at intervals left and right, two driving wheels of the upper wheel set are respectively an upper wheel set left driving wheel and an upper wheel set right driving wheel, two driving wheels of the lower wheel set are respectively a lower wheel set left driving wheel and a lower wheel set right driving wheel, the device frame comprises an installation substrate for the hinged installation of the swinging arm, the upper wheel set left driving wheel and the lower wheel set left driving wheel are both rotatably assembled on the mounting substrate, the upper wheel set right driving wheel is the tensioning wheel, the lower wheel set right driving wheel is hinged on the swing arm, and a hinged shaft of the swing arm is located at the lower sides of the upper wheel set and the lower wheel set.
2. The meter counting device according to claim 1, wherein: one end of the force measuring sensor is hinged with the swing arm, and the other end of the force measuring sensor is hinged with the tension adjusting screw rod.
3. The meter counting device according to claim 1, wherein: the mounting base plate and the swing arm are positioned on the front side and the rear side of the upper wheel set and the lower wheel set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911162675.5A CN110864600B (en) | 2019-11-25 | 2019-11-25 | A tension-measurable meter-counting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911162675.5A CN110864600B (en) | 2019-11-25 | 2019-11-25 | A tension-measurable meter-counting device |
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| Publication Number | Publication Date |
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| CN110864600A CN110864600A (en) | 2020-03-06 |
| CN110864600B true CN110864600B (en) | 2021-07-23 |
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| CN201911162675.5A Active CN110864600B (en) | 2019-11-25 | 2019-11-25 | A tension-measurable meter-counting device |
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2019
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Address after: No.21 Huayuan Road, Jinshui District, Zhengzhou City, Henan Province Patentee after: Henan Institute of Metrology and Testing Science Address before: No.21 Huayuan Road, Jinshui District, Zhengzhou City, Henan Province Patentee before: HENAN PROVINCE INSTITUTE OF METROLOGY |
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