CN213632048U - Nested formula plate-shape measuring apparatu - Google Patents
Nested formula plate-shape measuring apparatu Download PDFInfo
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- CN213632048U CN213632048U CN202022780689.8U CN202022780689U CN213632048U CN 213632048 U CN213632048 U CN 213632048U CN 202022780689 U CN202022780689 U CN 202022780689U CN 213632048 U CN213632048 U CN 213632048U
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Abstract
The utility model discloses a nested formula plate-type measuring apparatu, including the annular cover body, the dabber is worn to be equipped with by the annular cover internal portion, be connected with a plurality of sensor assembly between dabber and the annular cover body, every sensor assembly all includes the installation ring body, the installation ring body is connected through toper pretension ring and dabber, the dabber is worn to establish in toper pretension ring, the installation ring body is enclosed to close by a plurality of arc mount pads and is formed, the inner wall of a plurality of arc mount pads encloses to close and forms the bell mouth, the outer wall of toper pretension ring adopts the conical surface, the bell mouth cover is established in the bell mouth, be provided with the breach on the outer wall of every arc mount pad, the breach in-connection has the sensor, form the baffle between the terminal surface of breach and arc mount pad, be provided with the through wires hole on the baffle, be provided. The utility model discloses the adjustment of carrying out the sensor pre-pressure that can be convenient has promoted plate-type measurement accuracy, and can effectively avoid fish tail strip phenomenon.
Description
Technical Field
The utility model relates to a plate-type measurement technical field, concretely relates to nested formula plate-type measuring apparatu.
Background
The flatness of metal strips and plates, i.e. the shape of the plate, is one of the most important geometrical indicators of the strip and plate, good shape is a property that high quality strip and plate must have, and high productivity is guaranteed, while a shape gauge is a key device for measuring the shape of the strip and plate.
At present, a more-applied plate shape measuring instrument is a sectional plate shape measuring instrument of ABB company in Sweden, the plate shape measuring instrument is a contact type plate shape measuring instrument, and a plurality of roll rings are sleeved on a mandrel in an interference fit mode. The hot charging mode is adopted between the roller ring and the mandrel so as to have a certain pre-pressure and transmit the tension of the strip to the pressure head through the roller ring. However, because the thermal expansion degree of the roll collar and the mandrel is greatly influenced by the change of the heating temperature, the pre-pressure of each section between the roll collar and the mandrel is difficult to reach the same value, the roll collar and the mandrel are easy to rotate relatively, the measurement effect is influenced, and the plate-shaped instrument is inconvenient to adjust the pre-pressure. In addition, gaps exist among the roll rings with the structure, the surfaces of the strips are easily scratched, and the using effect of the roll rings is influenced under the condition that the requirements on the surface quality of the strips are high.
Chinese patent with patent number CN1308095C discloses a solid roller for confirming straightness deviation, a plurality of axial deep hole has been processed on the roll body to this kind of measuring roller, the sensor passes through axial mounting tool and gets into the axial deep hole and the wedging, the axial deep hole of this kind of measuring roller structure is not on the central axis, belong to eccentric axial deep hole, this kind of eccentric axial deep hole machining precision requires highly, the processing degree of difficulty is great, and in the measurement process, the measured value of a plurality of sensors in the same mounting hole easily takes place the intercoupling, must calculate through software decoupling zero, measurement accuracy is lower.
The defects that the conventional plate shape measuring instrument is difficult to adjust the pre-pressure, easily scratches a strip, has high processing difficulty, easily generates coupling among sensors and the like are overcome, and the requirement for high-precision measurement cannot be met.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is to provide a nested plate shape measuring instrument, which can conveniently adjust the pre-pressure of a sensor, and reduce the processing difficulty of each part; and the coupling problem between the scratch strip and the sensor can be effectively avoided, and the improvement of the plate shape measurement precision is facilitated.
In order to solve the technical problem, the utility model provides a technical scheme as follows:
a nested plate-shaped measuring instrument comprises an annular sleeve body, wherein a mandrel is arranged in the annular sleeve body in a penetrating mode, a plurality of sensor assemblies are connected between the mandrel and the annular sleeve body and are sequentially arranged along the axial direction of the mandrel, each sensor assembly comprises an installation ring body, the installation ring body is connected with the mandrel through a conical pre-tightening ring, the mandrel is arranged in the conical pre-tightening ring in a penetrating mode, the installation ring body is formed by enclosing a plurality of arc-shaped installation seats, conical holes are formed by enclosing the inner walls of the arc-shaped installation seats, conical surfaces are arranged on the outer wall of the conical pre-tightening ring, the conical surfaces are sleeved in the conical holes, notches are arranged on the outer wall of each arc-shaped installation seat, sensors are connected in the notches, a partition plate is formed between the notches and the end faces of the arc-shaped installation seats, and threading holes are formed in the partition plate, the mandrel is provided with an axial hole and a radial hole, and the axial hole is communicated with the threading hole through the radial hole.
In one embodiment, a gland is arranged between the sensor in the gap and the annular sleeve body, and the gland and the gap are connected through a first bolt.
In one embodiment, a through hole is formed in the sensor, and the first bolt penetrates through the gland, the through hole and the bottom of the notch in sequence.
In one embodiment, two ends of the mandrel are sleeved with sealing end covers, and the sensor assemblies are located between the sealing end covers at the two ends of the mandrel.
In one embodiment, the sealing end cap is provided with an extension arm which abuts against a partition plate of the arc-shaped mounting seat close to the sealing end cap.
In one embodiment, the sealing end covers are sleeved in the annular sleeve body, two ends of the annular sleeve body are connected with pressing plates, the pressing plates and the sealing end covers correspond to each other one by one, the pressing plates are connected with adjusting bolts, and the adjusting bolts penetrate through the pressing plates and then abut against the corresponding sealing end covers.
In one embodiment, an open slot is formed in the outer wall of the conical pre-tightening ring, a long round hole is formed in the bottom of the open slot, a second bolt penetrates through the long round hole, the diameter of the second bolt is smaller than the length of the long round hole, a threaded hole is formed in the core shaft, and the second bolt penetrates into the threaded hole after penetrating through the long round hole.
In one embodiment, the outer wall of the conical pre-tightening ring is provided with a plurality of open grooves which are uniformly distributed along the circumferential direction.
In one embodiment, the annular sleeve body is a metal sleeve body, and the mandrel is a metal shaft.
In one embodiment, the mandrel is a stepped shaft.
The utility model discloses following beneficial effect has: the nested plate-shape measuring instrument has simple structure and convenient processing, can conveniently adjust the pre-pressure of the sensor, and reduces the processing difficulty of each part; the integral surface structure is adopted, so that the belt material can be prevented from being scratched; and the coupling problem between the sensors can be effectively avoided, and the plate shape measurement precision is greatly improved.
Drawings
FIG. 1 is a schematic structural view of an embodiment of the nested profile gauge of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at M;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 1;
FIG. 4 is a schematic view of the arcuate mount of FIG. 1;
FIG. 5 is a sectional view taken in the direction B-B in FIG. 4;
FIG. 6 is a schematic view of the tapered preload ring of FIG. 1;
FIG. 7 is a cross-sectional view taken in the direction of C-C in FIG. 6;
FIG. 8 is a schematic structural view of another embodiment of the nested profile gauge of the present invention;
FIG. 9 is a cross-sectional view taken in the direction D-D of FIG. 8;
FIG. 10 is a schematic view of the tapered preload ring of FIG. 8;
in the figure: 1. the annular sleeve body, 2, the dabber, 21, the axial hole, 22, radial hole, 3, toper pretension ring, 31, conical surface, 32, open slot, 33, the slotted hole, 4, the installation ring body, 41, the bell mouth, 42, the arc mount pad, 421, breach, 422, baffle, 423, the through wires hole, 5, the sensor, 6, the gland, 7, first bolt, 8, end cover, 81, the extension arm, 9, the clamp plate, 10, adjusting bolt, 11, the second bolt.
Detailed Description
The present invention is further described with reference to the following drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.
The first embodiment is as follows:
as shown in fig. 1-3, the embodiment discloses a nested plate shape measuring instrument, which includes an annular sleeve body 1, a mandrel 2 penetrates through the annular sleeve body 1, a plurality of sensor assemblies are connected between the mandrel 2 and the annular sleeve body 1, and the plurality of sensor assemblies are sequentially arranged along the axial direction of the mandrel 2;
every sensor assembly all includes installation ring body 4 and toper pretension ring 3, installation ring body 4 is connected with dabber 2 through toper pretension ring 3, dabber 2 wears to establish in toper pretension ring 3, installation ring body 4 is enclosed by a plurality of arc mount pad 42 and closes and form, the inner wall of a plurality of arc mount pad 42 encloses and closes formation bell mouth 41, as shown in fig. 6-7, toper pretension ring 3's outer wall adopts conical surface 31, conical surface 31 cover is established in bell mouth 41, be provided with breach 421 on every arc mount pad 42's the outer wall, breach 421 in-connection has sensor 5, form baffle 422 between the terminal surface of breach 421 and arc mount pad 42, be provided with through wires hole 423 on baffle 422, be provided with axial hole 21 and radial hole 22 on dabber 2, axial hole 21 is linked together through radial hole 22 and through wires hole 423, with the wire of wearing to establish sensor 5.
In the structure, through the matching of the tapered holes 41 formed by enclosing the plurality of arc-shaped mounting seats 42 and the tapered pre-tightening ring 3, the pre-tightening force of all the arc-shaped mounting seats 42 on the circumferential direction of the outer wall of the tapered pre-tightening ring 3 can be adjusted at one time by adjusting the axial displacement of the tapered pre-tightening ring 3, so that the radial simultaneous pre-tightening of the internal sensors 5 is realized, the adjustment is convenient, the pre-tightening force adjusting efficiency is greatly improved, axial deep holes do not need to be machined, and the machining difficulty is reduced; in addition, because the structure can conveniently adjust the pre-pressure, a hot-charging mode is not needed, and a cold-charging mode is only needed to realize better installation reliability, so that a series of problems caused by hot-charging are avoided;
in the structure, the sensor components are all positioned in the annular sleeve body 1, the annular sleeve body 1 is of an integral structure, the surface is smooth and seamless, and the problem that the existing sectional type plate shape instrument is easy to scratch a measured plate due to the gap of a sectional roll collar is solved;
in addition, in the above structure, as shown in fig. 4 to 5, each arc-shaped mounting seat 42 is provided with a partition 422, and the partition 422 separates two axially adjacent sensors 5, so as to perform a good supporting function on the annular sleeve part between two adjacent sensors 5, avoid the coupling phenomenon between two adjacent sensors 5 when the strip is subjected to plate shape measurement, and improve the measurement accuracy.
In one embodiment, a gland 6 is arranged between the sensor 5 in the gap 421 and the annular sleeve body 1, and the gland 6 is connected with the gap 421 through a first bolt 7, so as to ensure that the sensor 5 can be stressed more uniformly.
Further, the sensor 5 is provided with a through hole, and the first bolt 7 penetrates the bottom of the gland 6, the through hole and the notch 421 in sequence, so that the positioning effect of the sensor 5 is well guaranteed, and the stability of pressure measurement is guaranteed.
In one of them embodiment, the both ends of dabber 2 all are equipped with end cover 8, and sensor assembly all is located between the end cover 8 at dabber 2 both ends, seals the axial installation space of a plurality of sensors 5 through end cover 8 and seals, avoids it to receive external impurity's interference.
In one embodiment, as shown in fig. 2, the end cap 8 is provided with an extension arm 81, and the extension arm 81 abuts against the partition 422 near the arc-shaped mounting seat 42 of the end cap 8.
The plurality of sensor subassemblies of this embodiment are arranged along dabber 2's axial in proper order, can arrange in proper order at a distance from certain clearance between the adjacent sensor subassembly, also can adopt the in close contact to arrange, also is the installation ring body 4 of a sensor subassembly compresses tightly on the installation ring body 4 of adjacent sensor subassembly, through the tight effect of supporting of both ends extension arm 81 this moment, can effectively guarantee the in close contact effect between the above-mentioned sensor subassembly, has promoted the installation reliability between the whole sensor subassembly.
Furthermore, the sealing end covers 8 are sleeved in the annular sleeve body 1, the two ends of the annular sleeve body 1 are both connected with the pressing plates 9, the pressing plates 9 correspond to the sealing end covers 8 one by one, the pressing plates 9 are connected with the adjusting bolts 10, and the adjusting bolts 10 penetrate through the pressing plates 9 and then abut against the corresponding sealing end covers 8 so as to adjust the overall axial pressing force of the sealing end covers 8 at the two ends on the plurality of sensor assemblies.
In one embodiment, the annular sleeve body 1 is a metal sleeve body, and the mandrel 2 is a metal shaft.
In one embodiment, the mandrel 2 is a stepped shaft.
The installation method of the nested plate shape measuring instrument comprises the steps of connecting the gland 6 and the sensors 5 to the arc-shaped installation seats 42 to form a first assembly, sleeving the conical pre-tightening ring 3 on the mandrel 2, enclosing a plurality of arc-shaped installation seats 42 at the initial position of the conical surface 31 of the conical pre-tightening ring 3, sleeving the conical pre-tightening ring 3 into the annular sleeve body 1 to a certain position, knocking the conical pre-tightening ring 3 to integrally support the first assembly, simultaneously pre-tightening all the sensors 5 on the circumferential direction of the conical pre-tightening ring 3, measuring pre-pressure generated by the pre-tightening, accurately adjusting the axial displacement of the conical pre-tightening ring 3 according to the measurement result to accurately achieve the designed pre-pressure so as to keep proper interference connection between the annular sleeve body 1 and the gland 6, and similarly, sequentially completing installation of the next sensor assembly according to the above manner, until the installation of all sensor assemblies is completed.
The whole installation process is completed by adopting a cold charging mode without adopting a hot charging mode.
When the nested plate shape measuring instrument is used, a strip to be measured is placed on the outer wall of the annular sleeve body 1, the strip to be measured generates a certain wrap angle on the annular sleeve body 1, the tension of the strip can generate positive pressure on the annular sleeve body 1, the positive pressure of each area of the strip is measured through the sensor 5, a set of data is obtained in one measuring period, the positive pressure difference of the strip on the measuring instrument, namely the tension difference of the strip is obtained by comparing the data, and the plate shape deviation of the strip can be obtained after mechanical conversion.
Example two
As shown in fig. 8 to 10, the differences between the present embodiment and the first embodiment are: an open slot 32 is formed in the outer wall of the conical pre-tightening ring 3, a long round hole 33 is formed in the bottom of the open slot 32, a second bolt 11 penetrates through the long round hole 33, the diameter of the second bolt 11 is smaller than the length of the long round hole 33, a threaded hole is formed in the mandrel 2, and the second bolt 11 penetrates into the threaded hole after penetrating through the long round hole 33.
Through the arrangement of the long round hole 33, the position of the second bolt 11 in the long round hole 33 can be adjusted, so that the position of the conical pre-tightening ring 3 relative to the installation ring body 4 is adjusted, and the pre-tightening force is adjusted. This mode can be higher the installation reliability of assurance toper pretension ring 3.
In one embodiment, as shown in fig. 10, a plurality of open grooves 32 are provided on the outer wall of the tapered pre-tightening ring 3, and the plurality of open grooves 32 are uniformly distributed along the outer wall of the tapered pre-tightening ring 3 in the circumferential direction, so as to improve the connection reliability and the stress uniformity of the tapered pre-tightening ring 3.
When the nested plate shape measuring instrument is installed, the following two installation methods can be adopted:
the first installation mode is as follows: connect gland 6 and sensor 5 on arc mount pad 42 earlier, form first subassembly, establish a toper pretension ring 3 cover at dabber 2 again, utilize second bolt 11 to penetrate in the screw hole of dabber 2 after passing slotted hole 33 on toper pretension ring 3, realize the preliminary fixed spacing of toper pretension ring 3, second bolt 11 does not lock toper pretension ring 3 completely this moment, after that enclose a plurality of arc mount pads 42 and close the initial position at toper face 31 of toper pretension ring 3, and embolia annular sheath body 1 to a certain position, then strike toper pretension ring 3, just can prop up first subassembly is whole, make all sensors 5 of this toper pretension ring 3 circumference obtain pretension simultaneously, accomplish the installation of a sensor subassembly. Similarly, the installation of the next sensor assembly may be completed in sequence in the manner described above until the installation of all of the sensor assemblies is completed.
The second installation mode is as follows: firstly, connecting a gland 6 and a sensor 5 on an arc-shaped mounting seat 42 to form a first assembly, then sleeving a conical pre-tightening ring 3 on a mandrel 2, penetrating a second bolt 11 into a threaded hole of the mandrel 2 after penetrating through a long round hole 33 on the conical pre-tightening ring 3, screwing the second bolt 11 to ensure that the conical pre-tightening ring 3 is completely locked on the mandrel 2, then enclosing a plurality of arc-shaped mounting seats 42 on a conical surface 31 of the conical pre-tightening ring 3, namely enclosing the first assembly on the conical surface 31 of the conical pre-tightening ring 3, and sleeving an annular sleeve body 1 to a certain position to realize the primary installation of a sensor assembly; then according to the same mode, a second conical pre-tightening ring 3 is sequentially installed on the mandrel, a corresponding first assembly is installed in the circumferential direction of the conical surface of the conical pre-tightening ring 3, the initial installation of the second sensor assembly is realized, the analogy is repeated until the installation of the last conical pre-tightening ring 3 and the circumferential first assembly is completed, and finally, the mandrel 2 is pushed, so that all the conical pre-tightening rings 3 and the mandrel 2 move together, and the integral pre-tightening of all the sensors 5 is realized.
The nested plate shape measuring instrument of the embodiment can conveniently adjust the pre-pressure of the sensor 5, has a simple structure, is convenient to process, and reduces the processing precision and processing difficulty of each part; the pre-tightening can be completed without a complex hot-charging process, so that the assembly precision is improved; meanwhile, a hot-assembling mode is not needed, the wall thickness of the annular sleeve body 1 can be further reduced, and therefore the measurement precision is improved; the pre-tightening process of the sensor 5 and the installation process of the annular sleeve body 1 can be synchronously carried out, and the pre-tightening force of each position of the annular sleeve body 1 can be accurately measured; the annular sleeve body 1 adopts an integral surface structure, so that a strip can be prevented from being scratched; the coupling problem that appears between the sensor can be effectively avoided, the plate shape measurement accuracy has also been promoted greatly.
The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutes or changes made by the technical personnel in the technical field on the basis of the utility model are all within the protection scope of the utility model. The protection scope of the present invention is subject to the claims.
Claims (10)
1. The nested plate-shaped measuring instrument is characterized by comprising an annular sleeve body, wherein a mandrel is arranged in the annular sleeve body in a penetrating manner, a plurality of sensor assemblies are connected between the mandrel and the annular sleeve body and are sequentially arranged along the axial direction of the mandrel, each sensor assembly comprises an installation ring body, the installation ring body is connected with the mandrel through a conical pre-tightening ring, the mandrel is arranged in the conical pre-tightening ring in a penetrating manner, the installation ring body is formed by enclosing a plurality of arc-shaped installation seats, conical holes are formed by enclosing the inner walls of the arc-shaped installation seats, conical surfaces are adopted by the outer wall of the conical pre-tightening ring, the conical surfaces are sleeved in the conical holes, notches are arranged on the outer wall of each arc-shaped installation seat, sensors are connected in the notches, and partition plates are formed between the notches and the end faces of the arc-shaped installation seats, the partition board is provided with a threading hole, the mandrel is provided with an axial hole and a radial hole, and the axial hole is communicated with the threading hole through the radial hole.
2. The nested plate gauge of claim 1, wherein a gland is disposed between the sensor and the annular housing body within the gap, the gland and the gap being connected by a first bolt.
3. The nested plate gauge of claim 2, wherein a through hole is provided in the sensor, and the first bolt penetrates the gland, the through hole, and the bottom of the gap in this order.
4. The nested plate gauge of claim 1, wherein both ends of the mandrel are capped with end caps, and the sensor assembly is positioned between the end caps at both ends of the mandrel.
5. The nested plate gauge of claim 4, wherein the end cap is provided with extension arms that abut against the partitions of the arcuate mount adjacent the end cap.
6. The nested plate gauge of claim 5, wherein the end caps are sleeved in the annular sleeve, two ends of the annular sleeve are connected with pressing plates, the pressing plates and the end caps correspond to each other one by one, and the pressing plates are connected with adjusting bolts which penetrate through the pressing plates and abut against the corresponding end caps.
7. The nested plate shape measuring instrument according to claim 1, wherein an open slot is formed on the outer wall of the tapered preload ring, a slotted hole is formed in the bottom of the open slot, a second bolt is arranged in the slotted hole in a penetrating mode, the diameter of the second bolt is smaller than the length of the slotted hole, a threaded hole is formed in the mandrel, and the second bolt penetrates into the threaded hole after penetrating through the slotted hole.
8. The nested plate gauge of claim 7, wherein the outer wall of the tapered pre-tightening ring is provided with a plurality of open grooves, and the plurality of open grooves are circumferentially and uniformly distributed along the outer wall of the tapered pre-tightening ring.
9. The nested plate gauge of claim 1, wherein the annular sleeve comprises a metal sleeve and the mandrel comprises a metal shaft.
10. The nested plate gauge of claim 1, wherein the mandrel is a stepped shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022780689.8U CN213632048U (en) | 2020-11-26 | 2020-11-26 | Nested formula plate-shape measuring apparatu |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022780689.8U CN213632048U (en) | 2020-11-26 | 2020-11-26 | Nested formula plate-shape measuring apparatu |
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| Publication Number | Publication Date |
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| CN213632048U true CN213632048U (en) | 2021-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022780689.8U Active CN213632048U (en) | 2020-11-26 | 2020-11-26 | Nested formula plate-shape measuring apparatu |
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| CN (1) | CN213632048U (en) |
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- 2020-11-26 CN CN202022780689.8U patent/CN213632048U/en active Active
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