CN112958869B - Multi-range cutting gun pressure online pressure measuring device - Google Patents
Multi-range cutting gun pressure online pressure measuring device Download PDFInfo
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- CN112958869B CN112958869B CN202110365679.4A CN202110365679A CN112958869B CN 112958869 B CN112958869 B CN 112958869B CN 202110365679 A CN202110365679 A CN 202110365679A CN 112958869 B CN112958869 B CN 112958869B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K7/00—Cutting, scarfing, or desurfacing by applying flames
- B23K7/10—Auxiliary devices, e.g. for guiding or supporting the torch
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K7/00—Cutting, scarfing, or desurfacing by applying flames
Abstract
The invention discloses a multi-range cutting gun pressure online pressure measuring device, and relates to the technical field of pressure measurement. The multi-range burning torch pressure online pressure measuring device comprises a meter shell, a pointer, a meter plate, fan-shaped scales, a connecting pipe and a middle pipe, wherein the meter plate is arranged in the meter shell, the fan-shaped scales are arranged on the meter plate and comprise small-range scales, middle-range scales and large-range scales, the bottom of the meter shell is connected with the connecting pipe, a range selecting knob is arranged on the connecting pipe, and the bottom of the connecting pipe is connected with the middle pipe. The multi-range cutting gun pressure online pressure measuring device utilizes the change of the pointer of the pressure gauge to change according to the received force (pressure multiplied by the area of the thimble) of the thimble, so thimbles with various sizes can be arranged to adapt to different pressure measuring ranges.
Description
Technical Field
The invention relates to the technical field of pressure measurement, in particular to a multi-range cutting torch pressure online pressure measuring device.
Background
A flame cutting machine is usually adopted as cutting equipment for cutting the continuous casting blank, and the casting blank continuously moves on a roller way, so that the flame cutting machine can be kept static in the moving direction of the casting blank during cutting of the casting blank and can move and cut in the direction vertical to the moving direction of the casting blank, wherein a gas source of cutting gas of the flame cutting machine is usually conveyed by a drag chain hose.
When the drag chain hose moves along with the flame cutting machine, the hose is easy to bend to cause unsmooth air supply, and meanwhile, the drag chain hose can be formed by splicing a plurality of hoses, the inner diameters of the spliced hoses can be not completely consistent, and the pressure of an air source can be unstable.
Often difficult investigation when above-mentioned problem takes place, because pressure measurement is not set up on each pipeline of flame cut rifle, so need install pressure measurement device temporarily additional on the pipeline and come to judge the accurate state of pipeline, but the pipeline on the flame cut rifle is more (5 usually), and the pressure differential of every kind of air supply is great apart from (if gas pressure 0.03Mpa, waste heat oxygen pressure 0.6Mpa, cutting oxygen pressure 1Mpa), the manometer that needs 2 ~ 3 different ranges at the in-process that detects just can satisfy the measurement.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a multi-range cutting torch pressure online pressure measuring device, which solves the problem that the same pressure gauge cannot measure multiple ranges.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: the multi-range cutting gun pressure online pressure measuring device comprises a meter shell, a pointer, a dial, fan-shaped scales, a connecting pipe and a middle pipe, wherein the dial is arranged in the meter shell, the fan-shaped scales are arranged on the dial, the fan-shaped scales comprise small-range scales, middle-range scales and large-range scales, the bottom of the meter shell is connected with the connecting pipe, a range selecting knob is arranged on the connecting pipe, and the bottom of the connecting pipe is connected with the middle pipe;
the connecting pipe comprises a pipeline, the top of the pipeline is respectively connected with a small scale range sliding chute, a large scale range sliding chute and a middle scale range sliding chute from left to right, and the pipeline is communicated with the middle pipe;
the top of the connecting pipe is provided with an ejector plate, the ejector plate comprises an ejector plate body, the bottom of the ejector plate body is respectively provided with a small-scale range ejector pin, a large-scale range ejector pin and a middle-scale range ejector pin from left to right, and the shapes of the small-scale range ejector pin, the large-scale range ejector pin and the middle-scale range ejector pin are respectively matched with the small-scale range chute, the large-scale range chute and the middle-scale range chute;
the thimble board top is connected with the spring tube, the other end of spring tube articulates the one end of connecting rod, the other end of connecting rod is articulated with the steering column, the other end of steering column is fixed to be set up on the internal gear, the center of internal gear is provided with the pointer gear, the pointer gear can rotate for the internal gear, be provided with drive gear between internal gear and the pointer gear, drive gear meshes with internal gear and pointer gear respectively, be provided with the pointer on the pointer gear, be provided with the pivot groove on the internal gear, drive gear's pivot is passed the pivot groove and is connected on the backplate of watchcase, drive gear's pivot and pivot groove clearance fit.
Preferably, the left end and the right end of the middle pipe are respectively provided with an external thread and an internal thread joint.
Preferably, the small-range scale, the medium-range scale and the large-range scale have ranges a, b and c respectively.
Preferably, the diameter of the small-scale range thimble is equal to that of the large-scale range thimble
The diameter of the middle scale range thimble is equal to that of the large scale range thimble
And (4) doubling.
Preferably, the dial plate is provided with a small-range scale, a medium-range scale and a large-range scale from inside to outside in sequence.
Preferably, a small scale range valve, a large scale range valve and a medium scale range valve are respectively arranged between the pipeline and the small scale range sliding chute, the large scale range sliding chute and the medium scale range sliding chute.
(III) advantageous effects
The invention provides a multi-range cutting gun pressure online pressure measuring device. The method has the following beneficial effects:
the multi-range cutting gun pressure online pressure measuring device utilizes the change of the pointer of the pressure gauge to change according to the force (the pressure X thimble area) received by the thimble, so thimbles with various sizes can be arranged to adapt to different pressure measuring ranges.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a pressure gauge;
FIG. 3 is an enlarged view of a portion of FIG. 2;
FIG. 4 is a schematic view of a connecting tube;
fig. 5 is a schematic view of the structure of the ejector plate.
In the figure: 1. a watch case; 2. a pointer; 3. small measuring range scales; 4. middle measuring scale; 5. a large range of scales; 6. a small scale range valve; 7. a middle scale range valve; 8. a large scale range valve; 9. a connecting pipe; 91. a pipeline; 92. a large scale range chute; 93. a middle scale range chute; 94. a small scale range chute; 10. an intermediate pipe; 11. an external thread; 12. an internal thread joint; 13. a spring tube; 14. an ejector plate; 141. an ejector plate body; 142. a large scale range thimble; 143. a middle scale range thimble; 144. a small scale range thimble; 15. a connecting rod; 16. a steering lever; 17. an internal gear; 18. a transmission gear; 19. a pointer gear; 20. a dial plate; 21. the pivot groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example (b): the large scale range is 2Mpa, the middle scale range is 1Mpa, the small scale range is 0.05Mpa, the diameter of the thimble of the large scale range is 1mm
Referring to fig. 1-5, the present invention provides a technical solution: a multi-range burning torch pressure online pressure measuring device comprises a watchcase 1, a pointer 2, a dial 20, fan-shaped scales, a connecting pipe 9 and a middle pipe 10, wherein the dial 20 is arranged in the watchcase 1, the dial 20 is provided with the fan-shaped scales, the fan-shaped scales comprise small-range scales 3, middle-range scales 4 and large-range scales 5, the bottom of the watchcase 1 is connected with the connecting pipe 9, a range selecting knob is arranged on the connecting pipe 9, and the bottom of the connecting pipe 9 is connected with the middle pipe 10;
the connecting pipe 9 comprises a pipeline 91, the top of the pipeline 91 is respectively connected with a small scale range sliding chute 94, a large scale range sliding chute 92 and a middle scale range sliding chute 93 from left to right, and the pipeline 91 is communicated with the middle pipe 10;
the top of the connecting pipe 9 is provided with an ejector plate 14, the ejector plate 14 comprises an ejector plate body 141, the bottom of the ejector plate body 141 is provided with a small-scale range ejector pin 144, a large-scale range ejector pin 142 and a medium-scale range ejector pin 143 from left to right, and the shapes of the small-scale range ejector pin 144, the large-scale range ejector pin 142 and the medium-scale range ejector pin 143 are respectively matched with the small-scale range chute 94, the large-scale range chute 92 and the medium-scale range chute 93;
the top of the thimble plate 14 is connected with a spring tube 13, the other end of the spring tube 13 is hinged with one end of a connecting rod 15, the other end of the connecting rod 15 is hinged with a steering rod 16, the other end of the steering rod 16 is fixedly arranged on an internal gear 17, a pointer gear 19 is arranged at the center of the internal gear 17, the pointer gear 19 can rotate relative to the internal gear 17, a transmission gear 18 is arranged between the internal gear 17 and the pointer gear 19, the transmission gear 18 is respectively meshed with the internal gear 17 and the pointer gear 19, a pointer 2 is arranged on the pointer gear 19, a rotating shaft groove 21 is arranged on the internal gear 17, a rotating shaft of the transmission gear 18 penetrates through the rotating shaft groove 21 and is connected on a back plate of the watch case 1, the rotating shaft of the transmission gear 18 is in clearance fit with the rotating shaft groove 21, an external thread 11 and an internal thread joint 12 are respectively arranged at the left end and the right end of the middle pipe 10, and a dial 20 is sequentially provided with a small range scale 3, a middle range scale 4 and a large range scale 5 from inside to outside, a small scale range valve 6, a large scale range valve 8 and a medium scale range valve 7 are respectively arranged between the pipeline 91 and the small scale range chute 94, the large scale range chute 92 and the medium scale range chute 93, the ranges of the small scale range scale 3, the medium scale range scale 4 and the large scale range scale 5 are respectively 0.05Mpa, 1Mpa and 2Mpa, the diameter of the large scale range thimble 142 is 1mm, and the diameter of the small scale range thimble 144 is equal to that of the large scale range thimble 142
6.32mm, the diameter of the middle scale range thimble 143 is equal to that of the large scale range thimble 142
Times 1.41mm, corresponding to an increase in the pressure at a lower measurement pressureThe area of the thimble is increased to obtain sufficient force to match the modulus of elasticity of the spring tube 13.
When the flame cutting gun is used, if the pressure of an air source cannot be judged, the maximum scale range is adopted for measurement, the small scale range valve 6, the large scale range valve 8 and the medium scale range valve 7 are ensured to be in a closed state, then a certain pipeline connected to the flame cutting gun is pulled out, the connector of the flame cutting gun is connected with the internal thread connector 12 of the middle pipe 10, the pulled pipeline is communicated with the other end (external thread 11) of the middle pipe 10, the large scale range valve 8 is opened slowly to observe the reading of the pointer 2 at the moment, if the reading is very small, the large scale range valve 8 is closed, the medium scale range valve 7 is opened slowly, and if the reading is very small, the small scale range valve 6 is opened slowly after the medium scale range valve 7 is closed.
In summary, the pressure online measuring device for the multi-range cutting gun utilizes the change of the pointer of the pressure gauge to change according to the received force (pressure multiplied by the area of the thimble) of the thimble, so thimbles with various sizes can be arranged to adapt to different pressure measuring ranges.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides an online pressure measurement device of multirange burning torch pressure, includes watchcase (1), pointer (2), dial plate (20), fan-shaped scale, range selection knob, connecting pipe (9) and intermediate pipe (10), its characterized in that: a dial plate (20) is arranged in the watch case (1), fan-shaped scales are arranged on the dial plate (20), the fan-shaped scales comprise small-range scales (3), middle-range scales (4) and large-range scales (5), the bottom of the watch case (1) is connected with a connecting pipe (9), a range selection knob is arranged on the connecting pipe (9), and the bottom of the connecting pipe (9) is connected with a middle pipe (10);
the connecting pipe (9) comprises a pipeline (91), the top of the pipeline (91) is respectively connected with a small scale range sliding chute (94), a large scale range sliding chute (92) and a middle scale range sliding chute (93) from left to right, and the pipeline (91) is communicated with the middle pipe (10);
an ejector plate (14) is arranged at the top of the connecting pipe (9), the ejector plate (14) comprises an ejector plate body (141), a small-scale range ejector pin (144), a large-scale range ejector pin (142) and a medium-scale range ejector pin (143) are respectively arranged at the bottom of the ejector plate body (141) from left to right, and the shapes of the small-scale range ejector pin (144), the large-scale range ejector pin (142) and the medium-scale range ejector pin (143) are respectively matched with the small-scale range sliding groove (94), the large-scale range sliding groove (92) and the medium-scale range sliding groove (93);
the top of the ejector plate (14) is connected with a spring tube (13), the other end of the spring tube (13) is hinged with one end of a connecting rod (15), the other end of the connecting rod (15) is hinged with a steering rod (16), the other end of the steering rod (16) is fixedly arranged on an internal gear (17), a pointer gear (19) is arranged at the center of the internal gear (17), the pointer gear (19) can rotate relative to the internal gear (17), a transmission gear (18) is arranged between the internal gear (17) and the pointer gear (19), the transmission gear (18) is respectively meshed with the internal gear (17) and the pointer gear (19), a pointer (2) is arranged on the pointer gear (19), a rotating shaft groove (21) is arranged on the internal gear (17), and the rotating shaft of the transmission gear (18) penetrates through the rotating shaft groove (21) and is connected to a back plate of the watch case (1), and a rotating shaft of the transmission gear (18) is in clearance fit with the rotating shaft groove (21).
2. The online pressure measuring device for the pressure of the multi-range cutting gun according to claim 1, characterized in that: the left end and the right end of the middle pipe (10) are respectively provided with an external thread (11) and an internal thread joint (12).
3. The online pressure measuring device for the pressure of the multi-range cutting gun according to claim 1, characterized in that: the small measuring range scale (3), the medium measuring range scale (4) and the large measuring range scale (5) are respectively in a measuring range, b measuring range and c measuring range.
4. The online pressure measuring device for the pressure of the multi-range cutting gun according to claim 3, characterized in that: the diameter of the small-scale range thimble (144) is equal to that of the large-scale range thimble (142)
The diameter of the middle scale range thimble (143) is equal to that of the large scale range thimble (142)
And (4) doubling.
5. The online pressure measuring device for the pressure of the multi-range cutting gun according to claim 1, characterized in that: the dial plate (20) is sequentially provided with a small-range scale (3), a medium-range scale (4) and a large-range scale (5) from inside to outside.
6. The online pressure measuring device for the pressure of the multi-range cutting gun according to claim 1, characterized in that: and a small-scale range valve (6), a large-scale range valve (8) and a medium-scale range valve (7) are respectively arranged between the pipeline (91) and the small-scale range chute (94), the large-scale range chute (92) and the medium-scale range chute (93).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110365679.4A CN112958869B (en) | 2021-04-06 | 2021-04-06 | Multi-range cutting gun pressure online pressure measuring device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110365679.4A CN112958869B (en) | 2021-04-06 | 2021-04-06 | Multi-range cutting gun pressure online pressure measuring device |
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| CN112958869A CN112958869A (en) | 2021-06-15 |
| CN112958869B true CN112958869B (en) | 2022-04-08 |
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2021
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Effective date of registration: 20220914 Address after: 243000 2, 1669 north section of Huo Li Shan Road, Ma'anshan high tech Zone, Anhui Patentee after: Anhui Tengyan Technology Co.,Ltd. Address before: 243000 Hunan West Road 708-106, Yushan District, Ma'anshan City, Anhui Province Patentee before: Anhui jinhuoshen Energy Technology Co.,Ltd. |
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