CN109405700B - Detection tool for installation posture of metal hose and use method - Google Patents
Detection tool for installation posture of metal hose and use method Download PDFInfo
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- CN109405700B CN109405700B CN201811550875.3A CN201811550875A CN109405700B CN 109405700 B CN109405700 B CN 109405700B CN 201811550875 A CN201811550875 A CN 201811550875A CN 109405700 B CN109405700 B CN 109405700B
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- hoop
- leg
- metal hose
- inner arc
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- 239000002184 metal Substances 0.000 title claims abstract description 73
- 238000001514 detection method Methods 0.000 title claims abstract description 57
- 238000009434 installation Methods 0.000 title claims abstract description 39
- 238000000034 method Methods 0.000 title claims description 21
- 238000006073 displacement reaction Methods 0.000 claims abstract description 43
- 238000011007 installation qualification Methods 0.000 claims description 3
- 238000013461 design Methods 0.000 abstract description 7
- 238000012797 qualification Methods 0.000 abstract description 3
- 210000001364 upper extremity Anatomy 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
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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
-
- 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
- G01B5/0002—Arrangements for supporting, fixing or guiding the measuring instrument or the object to be measured
Abstract
The utility model provides a metal collapsible tube installation gesture's detection apparatus, includes judgement chi, goes up hoop and lower hoop, and wherein, go up the hoop and include preceding ring foot, go up back ring foot and lie in the last ring arc top between the two, lower hoop is including preceding ring foot down, back ring foot down and lie in the lower ring arc end between the two, go up back ring foot and back ring foot down and correspond the concatenation, preceding ring foot and preceding ring foot down correspond the concatenation on, go up the summit of ring arc top and carry out tangent connection with the head end of judgement chi, the tail end of judgement chi then is provided with axial displacement qualification interval, and the position that lies in axial displacement qualification interval below on the base of judgement chi is radial displacement judgement limit, and judgement chi is sharp structure. The design not only can be used for detecting the installation posture of the metal hose on line and has stronger intuitiveness, but also has a simple structure and is easy to operate.
Description
Technical Field
The utility model relates to a detection device, in particular to a detection tool for the installation posture of a metal hose and a use method, which are particularly suitable for detecting the installation posture on line, and have the advantages of simple structure and strong intuitiveness.
Background
With the development of the market after commercial vehicles, higher requirements are imposed on the later abrasion and compensation of vehicle parts, so that unnecessary stress brought by assembly must be reduced as much as possible during assembly, a better mounting state of the parts is ensured, and the metal hose is ensured to be mounted as an important part in an exhaust system, and whether the mounting posture of the metal hose is qualified or not is not, so that the vibration of the exhaust system can be effectively absorbed, and the self life of the metal hose is related.
However, in the prior art, the installation posture of the metal hose is generally measured only by adopting a caliper or a tape, so that the metal hose has more defects, the operation difficulty is high, the accuracy is low, in addition, the measurement time is long, the production beat is difficult to keep up, and the measurement result judgment is not intuitive.
The utility model patent with the authority notice number of CN206258060U and the authority notice date of 2017 of 6 month of 16 discloses a brake pipe phase inspection tool, which comprises a base and a detection block arranged on the base, wherein the detection block comprises a phase detection block and a positioning detection block which are coaxially arranged, a rotating shaft is arranged in a mounting hole arranged in the phase detection block through a bearing, a sleeve and a swinging rod are respectively arranged at two ends of the rotating shaft, a pointer is arranged at the top end of the swinging rod, the top surface of the phase detection block is in a circular arc shape coaxial with the rotating shaft and is provided with a dial, one end of the sleeve is sleeved on the rotating shaft and is fixedly locked through a fixing bolt, the other end of the sleeve is concavely provided with a connecting part towards the middle of the sleeve, the connecting part is matched with the connecting end of a piece to be connected, the positioning detection block is provided with a V-shaped positioning groove, and the side wall at one side of the positioning groove is provided with a positioning column. While this design allows for the qualification of the phase deviation between the female and male connectors on the brake hose assembly by means of a dial pointed by a pointer on the phase detection block, it still has the following drawbacks:
firstly, the design can only detect unassembled detection objects, can not detect assembled detection objects, and is difficult to meet the detection requirements of the installation posture of the existing metal hose;
secondly, the design can only detect whether the structure of the brake hose is standard or not, and can not detect whether the installation posture of the brake hose is qualified or not;
again, this design structure is complicated, not only includes phase place detection block, location detection block, rotation axis, sleeve, pendulum rod, and phase place detection block, location detection block have more complicated inner structure moreover to lead to complex operation.
The disclosure of this background section is only intended to increase the understanding of the general background of the present patent application and should not be taken as an admission or any form of suggestion that this information forms the prior art already known to a person of ordinary skill in the art.
Disclosure of Invention
The utility model aims to overcome the defects and problems that the installation posture cannot be detected on line, the structure is complex and the intuitiveness is weak in the prior art, and provides a detection tool capable of detecting the installation posture on line, the structure is simple and the intuitiveness is strong, and a use method thereof.
In order to achieve the above object, the technical solution of the present utility model is: a detection tool for the installation posture of a metal hose; the detection tool comprises a judging ruler, an upper hoop and a lower hoop; the upper hoop ring and the lower hoop ring are of arc structures, the upper hoop ring comprises an upper front hoop leg, an upper rear hoop leg and an upper hoop arc top positioned between the upper front hoop leg and the upper rear hoop leg, the upper hoop arc top is higher than the upper front hoop leg and the upper rear hoop leg, the lower hoop ring comprises a lower front hoop leg, a lower rear hoop leg and a lower hoop arc bottom positioned between the lower front hoop leg and the lower hoop leg, and the lower hoop arc bottom is lower than the lower front hoop leg and the lower rear hoop leg;
the upper rear ring leg is correspondingly spliced with the lower rear ring leg, the upper front ring leg is correspondingly spliced with the lower front ring leg, the vertex of the upper ring arc top is tangentially connected with the head end of the judgment ruler, the tail end of the judgment ruler is provided with an axial displacement qualified section, the part, below the axial displacement qualified section, on the bottom edge of the judgment ruler is a radial displacement judgment edge, and the judgment ruler is of a linear structure.
The axial displacement qualified interval comprises a left vertical bar, a right vertical bar and an inter-bar area clamped between the left vertical bar and the right vertical bar, the left vertical bar and the right vertical bar are mutually parallel, and the left vertical bar is mutually perpendicular to the judging ruler.
The bottom of the left end of going up the hoop is connected with the top of going up the inner arc ring, goes up the bottom of inner arc ring and extends down to centre of a circle direction, goes up the thickness of inner arc ring and is less than the thickness of going up the hoop, the top of the left end of lower hoop is connected with the bottom of lower inner arc ring, and the top of lower inner arc ring extends upward to centre of a circle direction, and the thickness of lower inner arc ring is less than the thickness of lower hoop, and goes up the inner arc ring and corresponds the setting from top to bottom with lower inner arc ring.
The upper inner rear ring leg of the upper inner arc ring is contacted with the lower inner rear ring leg of the lower inner arc ring.
An upper hook is arranged on the outer side face of the upper front ring leg, and a lower hasp in snap fit with the upper hook is arranged on the outer side face of the lower front ring leg.
The outer side face of the upper rear ring leg is provided with an upper hinge plate, the outer side face of the lower rear ring leg is provided with a lower hinge plate, and the outer end of the upper hinge plate is hinged with the outer end of the lower hinge plate.
An upper rubber lining is attached to the inner wall of the upper hoop, and a lower rubber lining is attached to the inner wall of the lower hoop.
The use method of the detection tool for the installation posture of the metal hose comprises the following steps:
firstly, a first reference arc line and a tail reference arc line are arranged on the side wall of an installed metal hose, the first reference arc line is arranged near the head end of the metal hose, the tail reference arc line is arranged near the tail end of the metal hose, then an upper hoop and a lower hoop are used for hooping the head end of the metal hose from the upper direction and the lower direction, after hooping, the upper hoop and the lower hoop are positioned in the same circle, the first reference arc line is covered in the upper hoop and the lower hoop, then the positions of the tail reference arc line and the radial displacement judging edge are observed to judge whether the installation is qualified, and the detection tool is kept motionless when in observation, and the standard of the installation is that the two requirements are simultaneously met:
first requirement: the tail reference arc line falls in the axial displacement qualified interval;
the second requirement is: and rotating the part of the metal hose below the radial displacement determination edge for one circle, wherein the metal hose and the radial displacement determination edge are kept not in contact all the time in the rotating process.
The arrangement of the first reference arc line and the tail reference arc line on the side wall of the installed metal hose means that: corresponding head outer ring and tail outer ring are respectively sleeved on the parts of the side wall of the metal hose near the head end and the tail end of the metal hose, at the moment, the left ring edge of the head outer ring is the head reference arc line, and the right ring edge of the tail outer ring is the tail reference arc line.
The bottom of the left end of the upper hoop is connected with the top of an upper inner arc ring, the bottom of the upper inner arc ring extends downwards towards the direction of the circle center, the thickness of the upper inner arc ring is smaller than that of the upper hoop, the top of the left end of the lower hoop is connected with the bottom of a lower inner arc ring, the top of the lower inner arc ring extends upwards towards the direction of the circle center, the thickness of the lower inner arc ring is smaller than that of the lower hoop, and the upper inner arc ring and the lower inner arc ring are correspondingly arranged up and down;
the first reference arc line is covered inside the upper hoop ring and the lower hoop ring, and means that: the left ring edge of the head outer ring is attached to the right side part of the upper inner arc ring and the lower inner arc ring.
Compared with the prior art, the utility model has the beneficial effects that:
1. the utility model relates to a detection tool for the installation posture of a metal hose and a use method thereof, wherein the detection tool mainly comprises a judging ruler, an upper hoop and a lower hoop, the number of parts is small, the structure is simple, the operation is easy, when the detection tool is applied, the head end of the metal hose after the installation is used, whether the installation posture is qualified or not can be judged by observing a tail reference arc line and a radial displacement judging edge only by the upper hoop and the lower hoop, the detection tool is very convenient and visual, and the calculation process is not required. Therefore, the utility model not only can detect the installation posture on line and has stronger intuitiveness, but also has simple structure and easy operation.
2. In the detection tool and the use method of the installation posture of the metal hose, the axial displacement qualified section comprises the left vertical bar, the right vertical bar and the inter-bar section clamped between the left vertical bar and the right vertical bar, and when the detection tool is applied, only the tail reference arc line is required to be judged whether to fall in the axial displacement qualified section, namely the inter-bar section, so that the detection tool is convenient and direct, has a simple structure, and is easy to set on a judgment ruler. Therefore, the utility model has the advantages of stronger intuitiveness, easy operation, simple structure and easy manufacture.
3. According to the detection tool for the installation posture of the metal hose and the use method, the bottom of the left end of the upper hoop is connected with the top of the upper inner arc ring, the top of the left end of the lower hoop is connected with the bottom of the lower inner arc ring, and when the detection tool is used, the situation that the upper hoop and the lower hoop are used for hooping the head end of the metal hose can be judged only by attaching the first reference arc line to the right side parts of the upper inner arc ring and the lower inner arc ring is easy to operate, convenient to judge and beneficial to improving the detection efficiency. Therefore, the utility model is easy to operate and has higher detection efficiency.
4. According to the detection tool for the installation posture of the metal hose and the use method thereof, the splicing structure between the upper front ring leg and the lower front ring leg and the splicing structure of the upper rear ring leg and the lower rear ring leg can be selected, and the combination of the upper hook and the lower hasp or the combination of the upper hinge piece and the lower hinge piece can be selected. Therefore, the utility model has the advantages of strong adjustability, wide application range, strong stability and high accuracy.
5. According to the detection tool and the use method for the installation posture of the metal hose, the upper rubber lining is attached to the inner wall of the upper hoop, the lower rubber lining is attached to the inner wall of the lower hoop, the upper rubber lining and the lower rubber lining in the design can play a role in partition, hard contact between the metal hose and the detection tool is avoided, damage is avoided, stability of the upper hoop and the lower hoop after the metal hose is hooped can be enhanced, and in addition, the design is applicable to small-diameter metal hoses, and the application range is enlarged. Therefore, the utility model has stronger safety and wider application range.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic view of the structure of fig. 1 in another direction.
Fig. 3 is a cross-sectional view of fig. 1.
Fig. 4 is a right side view of fig. 1.
Fig. 5 is a schematic view of the assembly of the present utility model.
Fig. 6 is a cross-sectional view of fig. 5.
In the figure: the judgment rule 1, the axial displacement qualified section 2, the left vertical bar 21, the right vertical bar 22, the inter-bar section 23, the radial displacement judgment edge 3, the upper hoop 4, the upper front hoop leg 41, the upper rear hoop leg 42, the upper hoop arc top 43, the upper hook 44, the upper hinge piece 45, the upper rubber lining 46, the lower hoop 5, the lower front hoop leg 51, the lower rear hoop leg 52, the lower hoop arc bottom 53, the lower hasp 54, the lower hinge piece 55, the lower rubber lining 56, the upper inner arc ring 6, the upper inner rear hoop leg 61, the lower inner arc ring 7, the lower inner rear hoop leg 71, the metal hose 8, the first reference arc 81, the tail reference arc 82, the first outer ring 83, the left ring edge 831, the tail outer ring 84, and the right ring edge 841.
Detailed Description
The utility model is described in further detail below with reference to the accompanying drawings and detailed description.
Referring to fig. 1 to 6, a detection tool for a metal hose installation posture; the detection tool comprises a judging rule 1, an upper hoop 4 and a lower hoop 5; the upper hoop 4 and the lower hoop 5 are of arc structures, the upper hoop 4 comprises an upper front hoop leg 41, an upper rear hoop leg 42 and an upper hoop arc top 43 positioned between the upper front hoop leg 41 and the upper rear hoop leg 42, the upper hoop arc top 43 is higher than the upper front hoop leg 41 and the upper rear hoop leg 42, the lower hoop 5 comprises a lower front hoop leg 51, a lower rear hoop leg 52 and a lower hoop arc bottom 53 positioned between the lower front hoop leg 51 and the lower rear hoop leg 52, and the lower hoop arc bottom 53 is lower than the lower front hoop leg 51 and the lower rear hoop leg 52;
the upper rear ring leg 42 is correspondingly spliced with the lower rear ring leg 52, the upper front ring leg 41 is correspondingly spliced with the lower front ring leg 51, the vertex of the upper ring arc top 43 is tangentially connected with the head end of the judgment ruler 1, the tail end of the judgment ruler 1 is provided with an axial displacement qualified section 2, the part, below the axial displacement qualified section 2, on the bottom edge of the judgment ruler 1 is a radial displacement judgment edge 3, and the judgment ruler 1 is of a linear structure.
The axial displacement qualified zone 2 comprises a left vertical bar 21, a right vertical bar 22 and an inter-bar zone 23 clamped between the left vertical bar 21 and the right vertical bar 22, wherein the left vertical bar 21 and the right vertical bar 22 are mutually parallel, and the left vertical bar 21 is mutually perpendicular to the judging ruler 1.
The bottom of the left end of going up hoop 4 is connected with the top of going up inner arc ring 6, goes up the bottom of inner arc ring 6 and extends down to the centre of a circle direction, goes up inner arc ring 6's thickness and is less than the thickness of going up hoop 4, the top of the left end of lower hoop 5 is connected with the bottom of lower inner arc ring 7, and the top of lower inner arc ring 7 extends upward to the centre of a circle direction, and the thickness of lower inner arc ring 7 is less than the thickness of lower hoop 5, and goes up inner arc ring 6 and lower inner arc ring 7 and correspond the setting from top to bottom.
The upper inner rear leg 61 of the upper inner arc ring 6 is in contact with the lower inner rear leg 71 of the lower inner arc ring 7.
An upper hook 44 is provided on the outer side surface of the upper front leg 41, and a lower buckle 54 which is in snap fit with the upper hook 44 is provided on the outer side surface of the lower front leg 51.
An upper hinge piece 45 is arranged on the outer side surface of the upper rear ring leg 42, a lower hinge piece 55 is arranged on the outer side surface of the lower rear ring leg 52, and the outer end of the upper hinge piece 45 is hinged with the outer end of the lower hinge piece 55.
An upper rubber liner 46 is attached to the inner wall of the upper hoop 4, and a lower rubber liner 56 is attached to the inner wall of the lower hoop 5.
The use method of the detection tool for the installation posture of the metal hose comprises the following steps:
firstly, a first reference arc line 81 and a tail reference arc line 82 are arranged on the side wall of an installed metal hose 8, the first reference arc line 81 is arranged near the head end of the metal hose 8, the tail reference arc line 82 is arranged near the tail end of the metal hose 8, then the head end of the metal hose 8 is hooped by an upper hoop 4 and a lower hoop 5 from the upper direction and the lower direction, after hooping, the upper hoop 4 and the lower hoop 5 are positioned in the same circle, the first reference arc line 81 is covered in the upper hoop 4 and the lower hoop 5, then the positions of the tail reference arc line 82 and a radial displacement judging edge 3 are observed to judge whether the installation is qualified, and the detection tool is kept motionless when in observation, and the standard of the installation qualification meets the following two requirements simultaneously:
first requirement: the tail reference arc 82 falls within the axial displacement pass interval 2;
the second requirement is: the metal hose 8 is rotated by one revolution at a position below the radial displacement determination edge 3, and the metal hose 8 and the radial displacement determination edge 3 are kept out of contact all the time during the rotation.
The arrangement of the first reference arc line 81 and the last reference arc line 82 on the side wall of the installed metal hose 8 means that: corresponding head outer ring 83 and tail outer ring 84 are respectively sleeved on the parts of the side wall of the metal hose 8 near the head end and the tail end, at this time, the left round edge 831 of the head outer ring 83 is the head reference arc line 81, and the right round edge 841 of the tail outer ring 84 is the tail reference arc line 82.
The bottom of the left end of the upper hoop 4 is connected with the top of the upper inner arc ring 6, the bottom of the upper inner arc ring 6 extends downwards in the direction of the circle center, the thickness of the upper inner arc ring 6 is smaller than that of the upper hoop 4, the top of the left end of the lower hoop 5 is connected with the bottom of the lower inner arc ring 7, the top of the lower inner arc ring 7 extends upwards in the direction of the circle center, the thickness of the lower inner arc ring 7 is smaller than that of the lower hoop 5, and the upper inner arc ring 6 and the lower inner arc ring 7 are correspondingly arranged up and down;
the first reference arc 81 is covered inside the upper hoop 4 and the lower hoop 5: the left ring edge 831 of the head outer ring 83 is attached to the right side portions of the upper inner arc ring 6 and the lower inner arc ring 7.
The principle of the utility model is explained as follows:
the metal hose plays roles of absorbing and slowing down vibration and displacement of the exhaust system, compensating installation tolerance of the system and reducing noise in the exhaust system, and meanwhile, vibration is generated in the whole vehicle operation, and the metal hose also plays a role of damping. However, in the actual assembly process, if the installation posture is unqualified, excessive assembly displacement (longitudinal displacement and radial displacement) can be caused, so that the metal hose has excessive assembly stress, vibration of an exhaust system can not be effectively absorbed, and the service life of the metal hose is seriously influenced.
Example 1:
referring to fig. 1 to 6, a detection tool for a metal hose installation posture; the detection tool comprises a judging rule 1, an upper hoop 4 and a lower hoop 5; the upper hoop 4 and the lower hoop 5 are of arc structures, the upper hoop 4 comprises an upper front hoop leg 41, an upper rear hoop leg 42 and an upper hoop arc top 43 positioned between the upper front hoop leg 41 and the upper rear hoop leg 42, the upper hoop arc top 43 is higher than the upper front hoop leg 41 and the upper rear hoop leg 42, the lower hoop 5 comprises a lower front hoop leg 51, a lower rear hoop leg 52 and a lower hoop arc bottom 53 positioned between the lower front hoop leg 51 and the lower rear hoop leg 52, and the lower hoop arc bottom 53 is lower than the lower front hoop leg 51 and the lower rear hoop leg 52; the upper rear ring leg 42 is correspondingly spliced with the lower rear ring leg 52, the upper front ring leg 41 is correspondingly spliced with the lower front ring leg 51, the vertex of the upper ring arc top 43 is tangentially connected with the head end of the judgment ruler 1, the tail end of the judgment ruler 1 is provided with an axial displacement qualified section 2, the part, below the axial displacement qualified section 2, on the bottom edge of the judgment ruler 1 is a radial displacement judgment edge 3, and the judgment ruler 1 is of a linear structure.
The use method of the detection tool for the installation posture of the metal hose comprises the following steps: firstly, a first reference arc line 81 and a tail reference arc line 82 are arranged on the side wall of an installed metal hose 8, the first reference arc line 81 is arranged near the head end of the metal hose 8, the tail reference arc line 82 is arranged near the tail end of the metal hose 8, then the head end of the metal hose 8 is hooped by an upper hoop 4 and a lower hoop 5 from the upper direction and the lower direction, after hooping, the upper hoop 4 and the lower hoop 5 are positioned in the same circle, the first reference arc line 81 is covered in the upper hoop 4 and the lower hoop 5, then the positions of the tail reference arc line 82 and a radial displacement judging edge 3 are observed to judge whether the installation is qualified, and the detection tool is kept motionless when in observation, and the standard of the installation qualification meets the following two requirements simultaneously:
first requirement: the tail reference arc 82 falls within the axial displacement pass interval 2;
the second requirement is: the metal hose 8 is rotated by one revolution at a position below the radial displacement determination edge 3, and the metal hose 8 and the radial displacement determination edge 3 are kept out of contact all the time during the rotation.
Example 2:
the basic content is the same as in example 1, except that:
structurally, it is: the bottom of the left end of the upper hoop 4 is connected with the top of the upper inner arc ring 6, the bottom of the upper inner arc ring 6 extends downwards in the direction of the circle center, the thickness of the upper inner arc ring 6 is smaller than that of the upper hoop 4, the top of the left end of the lower hoop 5 is connected with the bottom of the lower inner arc ring 7, the top of the lower inner arc ring 7 extends upwards in the direction of the circle center, the thickness of the lower inner arc ring 7 is smaller than that of the lower hoop 5, and the upper inner arc ring 6 and the lower inner arc ring 7 are correspondingly arranged up and down; the arrangement of the first reference arc line 81 and the last reference arc line 82 on the side wall of the installed metal hose 8 means that: corresponding head outer ring 83 and tail outer ring 84 are respectively sleeved on the parts of the side wall of the metal hose 8 near the head end and the tail end, at this time, the left round edge 831 of the head outer ring 83 is the head reference arc line 81, and the right round edge 841 of the tail outer ring 84 is the tail reference arc line 82.
The method comprises the following steps: the first reference arc 81 is covered inside the upper hoop 4 and the lower hoop 5: the left ring edge 831 of the head outer ring 83 is attached to the right side portions of the upper inner arc ring 6 and the lower inner arc ring 7.
Example 3:
the basic content is the same as in example 1, except that:
an upper hook 44 is provided on the outer side surface of the upper front leg 41, and a lower buckle 54 which is in snap fit with the upper hook 44 is provided on the outer side surface of the lower front leg 51. An upper hinge piece 45 is arranged on the outer side surface of the upper rear ring leg 42, a lower hinge piece 55 is arranged on the outer side surface of the lower rear ring leg 52, and the outer end of the upper hinge piece 45 is hinged with the outer end of the lower hinge piece 55.
Example 4:
the basic content is the same as in example 1, except that:
an upper rubber liner 46 is attached to the inner wall of the upper hoop 4, and a lower rubber liner 56 is attached to the inner wall of the lower hoop 5.
The above description is merely of preferred embodiments of the present utility model, and the scope of the present utility model is not limited to the above embodiments, but all equivalent modifications or variations according to the present disclosure will be within the scope of the claims.
Claims (8)
1. The utility model provides a metal collapsible tube installs detection apparatus of gesture which characterized in that: the detection tool comprises a judging ruler (1), an upper hoop (4) and a lower hoop (5); the upper hoop (4) and the lower hoop (5) are of arc structures, the upper hoop (4) comprises an upper front annular leg (41), an upper rear annular leg (42) and an upper annular arc top (43) arranged between the upper front annular leg and the upper rear annular leg, the upper annular arc top (43) is higher than the upper front annular leg (41) and the upper rear annular leg (42), the lower hoop (5) comprises a lower front annular leg (51), a lower rear annular leg (52) and a lower annular arc bottom (53) arranged between the lower front annular leg (51) and the lower rear annular leg (52), and the lower annular arc bottom (53) is lower than the lower front annular leg (51);
the upper rear ring leg (42) is correspondingly spliced with the lower rear ring leg (52), the upper front ring leg (41) is correspondingly spliced with the lower front ring leg (51), the top point of the upper ring arc top (43) is tangentially connected with the head end of the judgment ruler (1), the tail end of the judgment ruler (1) is provided with an axial displacement qualified section (2), the part, below the axial displacement qualified section (2), on the bottom edge of the judgment ruler (1) is a radial displacement judgment edge (3), and the judgment ruler (1) is of a linear structure;
the bottom of the left end of the upper hoop (4) is connected with the top of an upper inner arc ring (6), the bottom of the upper inner arc ring (6) extends downwards in the direction of the circle center, the thickness of the upper inner arc ring (6) is smaller than that of the upper hoop (4), the top of the left end of the lower hoop (5) is connected with the bottom of a lower inner arc ring (7), the top of the lower inner arc ring (7) extends upwards in the direction of the circle center, the thickness of the lower inner arc ring (7) is smaller than that of the lower hoop (5), and the upper inner arc ring (6) and the lower inner arc ring (7) are correspondingly arranged up and down;
an upper rubber lining (46) is attached to the inner wall of the upper hoop (4), and a lower rubber lining (56) is attached to the inner wall of the lower hoop (5).
2. The detection tool for the installation posture of the metal hose according to claim 1, wherein: the axial displacement qualified section (2) comprises a left vertical bar (21), a right vertical bar (22) and an inter-bar section (23) clamped between the left vertical bar and the right vertical bar, the left vertical bar (21) and the right vertical bar (22) are mutually parallel, and the left vertical bar (21) is mutually perpendicular to the judging ruler (1).
3. The metal hose installation posture detection tool according to claim 1 or 2, wherein: the upper inner rear ring leg (61) of the upper inner arc ring (6) is contacted with the lower inner rear ring leg (71) of the lower inner arc ring (7).
4. The metal hose installation posture detection tool according to claim 1 or 2, wherein: an upper hook (44) is arranged on the outer side face of the upper front ring leg (41), and a lower hasp (54) which is in snap fit with the upper hook (44) is arranged on the outer side face of the lower front ring leg (51).
5. The metal hose installation posture detection tool according to claim 1 or 2, wherein: an upper hinge piece (45) is arranged on the outer side face of the upper rear ring leg (42), a lower hinge piece (55) is arranged on the outer side face of the lower rear ring leg (52), and the outer end of the upper hinge piece (45) is hinged with the outer end of the lower hinge piece (55).
6. A method of using the metal hose installation posture detection tool according to claim 1 or 2, characterized in that: the using method comprises the following steps:
firstly, a first reference arc line (81) and a tail reference arc line (82) are arranged on the side wall of an installed metal hose (8), the first reference arc line (81) is arranged near the head end of the metal hose (8), the tail reference arc line (82) is arranged near the tail end of the metal hose (8), then an upper hoop (4) and a lower hoop (5) hoop the head end of the metal hose (8) from the upper direction and the lower direction, after hooping, the upper hoop (4) and the lower hoop (5) are positioned in the same circle, the first reference arc line (81) is covered in the upper hoop (4) and the lower hoop (5), then the positions of the tail reference arc line (82) and a radial displacement judgment edge (3) are observed to judge whether the installation is qualified, and the detection tool is kept motionless when in observation, and the standard of the installation qualification meets the following two requirements simultaneously:
first requirement: the tail reference arc line (82) falls in the axial displacement qualified section (2);
the second requirement is: the part of the metal hose (8) positioned below the radial displacement judgment edge (3) is rotated for one circle, and the metal hose (8) and the radial displacement judgment edge (3) are kept not contacted all the time in the rotating process.
7. The method for using a metal hose installation posture detection tool according to claim 6, wherein: the arrangement of a first reference arc line (81) and a tail reference arc line (82) on the side wall of the installed metal hose (8) means that: corresponding first outer ring (83) and tail outer ring (84) are respectively sleeved on the parts, close to the head end and the tail end, of the side wall of the metal hose (8), at the moment, the left ring edge (831) of the first outer ring (83) is the first reference arc line (81), and the right ring edge (841) of the tail outer ring (84) is the tail reference arc line (82).
8. The method for using a metal hose installation posture detection tool according to claim 7, wherein:
the bottom of the left end of the upper hoop (4) is connected with the top of an upper inner arc ring (6), the bottom of the upper inner arc ring (6) extends downwards in the direction of the circle center, the thickness of the upper inner arc ring (6) is smaller than that of the upper hoop (4), the top of the left end of the lower hoop (5) is connected with the bottom of a lower inner arc ring (7), the top of the lower inner arc ring (7) extends upwards in the direction of the circle center, the thickness of the lower inner arc ring (7) is smaller than that of the lower hoop (5), and the upper inner arc ring (6) and the lower inner arc ring (7) are correspondingly arranged up and down;
the first reference arc line (81) is covered inside the upper hoop (4) and the lower hoop (5) and is that: the left ring edge (831) of the head outer ring (83) is attached to the right side parts of the upper inner arc ring (6) and the lower inner arc ring (7).
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| CN110411391B (en) * | 2019-07-05 | 2022-03-01 | 中国石油天然气股份有限公司 | Pipeline axial displacement detection device and method |
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