CN114234774A - Mechanical measuring instrument with ratchet - Google Patents
Mechanical measuring instrument with ratchet Download PDFInfo
- Publication number
- CN114234774A CN114234774A CN202111296087.8A CN202111296087A CN114234774A CN 114234774 A CN114234774 A CN 114234774A CN 202111296087 A CN202111296087 A CN 202111296087A CN 114234774 A CN114234774 A CN 114234774A
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- CN
- China
- Prior art keywords
- measuring instrument
- scale plate
- ratchet
- base
- ratchet wheel
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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
- G01B5/24—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes
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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
- G01B5/0002—Arrangements for supporting, fixing or guiding the measuring instrument or the object to be measured
- G01B5/0004—Supports
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention discloses a mechanical measuring instrument with a ratchet wheel, which comprises a base, a measuring assembly and a ratchet wheel mechanism, wherein the base is used for fixing the end face of a flange, the measuring assembly comprises a measuring instrument disk surface, a horizontal scale plate, a vertical scale plate and a rope tying column, the measuring instrument disk surface is vertically fixed with the base through a fastener, the fasteners are symmetrically arranged at the end parts of a horizontal central shaft and a vertical central shaft on one side of the measuring instrument disk surface, the horizontal scale plate and the vertical scale plate are in rotating fit with the fastener, the rope tying column is positioned on the vertical central shaft and is fixed with the base, and the ratchet wheel mechanism is arranged on the other side of the measuring instrument disk surface and is fixed with the base. The invention can measure the horizontal angle and the vertical angle between the end surfaces of the two flanges, thereby helping to determine the angle of the expansion bend to be prefabricated; the utility model is small, portable and convenient to carry; the device can also be used for other conditions that the angles of two end surfaces need to be measured on water and under water.
Description
Technical Field
The invention relates to the field of offshore oil engineering, in particular to a mechanical measuring instrument with a ratchet wheel.
Background
In offshore oil development projects, submarine pipelines and expansion bends need to be laid. The most critical process for connecting the expansion bends of the sea pipe flanges is the measurement of the relative spatial position and azimuth angle between the sea pipe flanges. The submarine pipeline and the platform inevitably deviate from the design in the actual construction and installation process, and the expansion bend is characterized in that the actual underwater measurement is carried out after the installation of the submarine pipeline, the platform and the like is finished, the angle of the expansion bend is obtained through calculation, then the calculated angle is compared with the design angle of the expansion bend, and if the error is within the allowable range, the prefabrication of the expansion bend is carried out on site. Therefore, measurement and calculation of the expansion bending are particularly important, because once measurement is inaccurate or calculation errors result in construction period delay and great economic loss, a tool for measuring the expansion bending is a flange measuring instrument, and therefore the precision of the flange measuring instrument is an important factor influencing the measurement accuracy of the expansion bending. The requirements for the flange gauge are as follows: the horizontal angle between the end faces of the two flanges can be measured; the vertical angle between the end faces of the two flanges can be measured; can be installed on the flange through a matched base; the installation, leveling and measurement of divers under water are facilitated; the measurement precision meets the construction requirements.
Disclosure of Invention
The invention aims to solve the technical problem of providing a mechanical measuring instrument with a ratchet wheel, which can measure the horizontal angle and the vertical angle between the end surfaces of two flanges.
In order to solve the technical problem, the invention provides a mechanical measuring instrument with a ratchet wheel, which comprises a base, a measuring assembly and a ratchet wheel mechanism, wherein the base is used for fixing the end face of a flange, the measuring assembly comprises a measuring instrument disk surface, a horizontal scale plate, a vertical scale plate and a rope tying column, the measuring instrument disk surface is vertically fixed with the base through a fastening piece, fastening pieces are symmetrically arranged at the end parts of a horizontal central shaft and a vertical central shaft on one side of the measuring instrument disk surface, the horizontal scale plate and the vertical scale plate are in rotating fit with the fastening pieces, the rope tying column is positioned on the vertical central shaft and is fixed with the base, and the ratchet wheel mechanism is arranged on the other side of the measuring instrument disk surface and is fixed with the base.
According to a preferred embodiment of the invention, the ratchet mechanism comprises a crank support, a pawl seat, a crank, a ratchet, a pawl and a pawl shaft, wherein the crank support and the pawl seat are fixed on the base, the crank penetrates through the crank support and is in rotating fit with the crank support, the ratchet is fixedly sleeved in the crank, the ratchet is meshed with the pawl, and the pawl is in rotating fit with the pawl seat through the pawl shaft.
According to a preferred embodiment of the invention, the bollard is provided with a through hole.
According to a preferred embodiment of the present invention, the horizontal scale plate has an angle ranging from minus 90 degrees to plus 90 degrees.
According to a preferred embodiment of the invention, the fastening means are a pin and a pin sleeve.
According to a preferred embodiment of the invention, the rotation axes of the rope fastening column, the vertical scale plate and the horizontal scale plate intersect at the center of the measuring instrument panel.
According to a preferred embodiment of the invention, the base and the surface of the measuring instrument disk and the base and the ratchet mechanism are detachably fixed.
According to a preferred embodiment of the invention, the vertical scale plate and the horizontal scale plate are both of a sector structure with a hollow middle part.
According to a preferred embodiment of the invention, the vertical scale plate and the horizontal scale plate are provided with small holes.
According to a preferred embodiment of the invention, the measuring instruments are used in pairs using ropes.
The invention has the technical effects that:
1. the invention relates to a mechanical measuring instrument with a ratchet wheel, which is characterized in that when in use, two flanges (the two flanges are separated by a certain distance) are respectively and fixedly connected with one mechanical measuring instrument with the ratchet wheel, a rope is respectively connected to cranks of the two mechanical measuring instruments with the ratchet wheel and penetrates out through a rope tying column, the ratchet wheel rotates along with the rotation of the cranks, the rope on the ratchet wheel can be tensioned along with the rotation of the cranks, after the tension is achieved, a pawl can be abutted against teeth of the ratchet wheel, the ratchet wheel cannot move reversely, so that the tension state of the rope is kept, and a vertical scale plate and a horizontal scale plate are close to the rope, so that a horizontal angle and a vertical angle between the two flanges can be measured; and then realized the beneficial effect that can measure the horizontal angle and the vertical angle between two flange terminal surfaces.
2. The measuring instrument disk surface, the horizontal scale plate and the vertical scale plate are not connected with the rope, so the measuring instrument disk surface, the horizontal scale plate and the vertical scale plate are not in a stressed structure, and the stressed member is separated from the dial, so the size of the stressed member does not depend on the size of the dial, the size of the stressed member can be reduced, and the weight is further reduced; thereby realizing the beneficial effects of light weight and convenient carrying.
3. The vertical scale plate and the horizontal scale plate are provided with the small holes, so that a diver can conveniently bolt markers, still can operate and record data when the underwater visibility is low, and can complete underwater operation by one diver due to light weight, thereby greatly shortening the construction period on the sea and saving the ship time and the cost.
4. The base and the upper part of the measuring instrument are detachable, and the adaptive base can be manufactured according to the form of a flange or other fixed objects fixed below the base and used for measuring the horizontal angle and the vertical angle of the two end surfaces above and below water under other conditions.
5. The vertical scale plate can select the angle range from minus 90 degrees to plus 90 degrees according to the vertical angle range of the measured target, so that the vertical angle range is reduced, the height of the whole measuring instrument can be reduced, the material consumption is reduced, the weight is reduced, and the cost is saved.
6. As described above, the present invention can measure the horizontal angle and the vertical angle between two flanges, thereby helping to determine the angle of the expansion bend to be prefabricated.
Drawings
FIG. 1 is a perspective view of a mechanical measuring instrument with a ratchet according to the present invention;
FIG. 2 is a front view of a mechanical measuring instrument of the present invention;
FIG. 3 is a side view of a mechanical measuring instrument of the ratchet type according to the present invention;
fig. 4 is a plan view of a mechanical measuring instrument with a ratchet according to the present invention.
Reference numerals: 1-measuring instrument disk surface; 2-horizontal scale plate; 3-vertical scale plate; 4-a base; 5-supporting the base plate; 6-a support plate; 7-a pin shaft sleeve; 8-a pin shaft; 9-tying a rope column; 10-a crank; 11-a ratchet wheel; 12-a pawl; 13-a pawl shaft; 14-a pawl seat; 15-pawl top plate; 16-a crank support; 17-a fastener; 18-ratchet mechanism.
Detailed Description
The present invention is further described with reference to the following drawings and specific examples so that those skilled in the art can better understand the present invention and can practice the present invention, but the examples are not intended to limit the present invention.
As shown in fig. 1, the base of the flange measuring instrument includes a support plate 6 and a support base plate 5, the support base plate 5 is used for fixing the measuring instrument on the flange end face or other measured structure, and the support plate 6 is fixed with the upper measuring instrument disk face 1 by bolts through the support base plate 5.
As shown in the drawing, the ratchet mechanism 18 includes a crank support 16, a pawl seat 14, a crank 10, a ratchet 11, a pawl 12 and a pawl shaft 13, the crank support 16 and the pawl seat 14 are both fixed on the base 4, the crank 10 passes through the crank support 16 and is in rotating fit with the crank support 16, the ratchet 11 is fixed on the crank 10 in a penetrating way, the ratchet 11 is meshed with the pawl 14, and the pawl 12 is in rotating fit with the pawl seat 14 through the pawl shaft 13; the crank handle 10 rotates to drive the ratchet wheel 11 to rotate, and the rope is tensioned; the pawl 12 is fixed on the pawl seat 14 through the pawl shaft 13, the pawl top plate 15 enables the pawl 12 to be close to the ratchet wheel 11, the pawl can be propped against the teeth of the ratchet wheel, therefore, the ratchet wheel is a one-way wheel, the ratchet wheel does not move reversely, and the rope tension state is kept.
As shown in the attached drawing, when the measuring device is used, a mechanical measuring instrument with a ratchet wheel is fixedly connected to each of two flanges (the two flanges are separated by a certain distance), a rope is respectively connected to crank handles 10 of the mechanical measuring instruments with the ratchet wheel and penetrates out of a rope tying column 9, the ratchet wheel 11 rotates along with the rotation of the crank handles 10, the rope on the ratchet wheel 11 can be tightened along with the rope, after the rope is tightened, the ratchet wheel 11 cannot move in the reverse direction because a pawl 12 can be abutted to teeth of the ratchet wheel 11, so that the tightening state of the rope is kept, and the vertical scale plate 3 and the horizontal scale plate 2 are close to the rope, so that the horizontal angle and the vertical angle between the two flanges can be measured.
As shown in the attached drawing, the rope is a steel wire rope, and the fastening piece 17 is a pin shaft 8 and a pin shaft sleeve 7.
As shown in fig. 2, 3 and 4, the intersection point of the rotating shafts of the horizontal scale plate 2 and the vertical scale plate 3 is the center of the measuring instrument panel 1; the pin shafts 8 of the horizontal scale plate 2 and the vertical scale plate 3 penetrate through pin shaft sleeves 7 fixed on the measuring instrument panel 1, and the horizontal scale plate 2 and the vertical scale plate 3 can rotate in the pin shaft sleeves 7 through the pin shafts 8, so that the purpose of rotating up, down, left and right is achieved; scales are arranged on the vertical scale plate 3, and the rope can point to a certain scale on the vertical scale plate 3 when rotating up and down; the horizontal scale plate 2 is also provided with scales, and the rope can point to a certain scale on the horizontal scale plate 2 when rotating left and right.
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. The equivalent substitution or change made by the technical personnel in the technical field on the basis of the invention is all within the protection scope of the invention. The protection scope of the invention is subject to the claims.
Claims (10)
1. The utility model provides a take ratchet type mechanical type measuring apparatu, includes base, measuring component and ratchet, the base is used for the mounting flange terminal surface, a serial communication port, measuring component includes measuring apparatu quotation, horizontal scale plate, vertical scale plate and rope tying post, the measuring apparatu quotation pass through the fastener with the base vertical fixation, the horizontal center pin of measuring apparatu quotation one side and the tip symmetry of vertical center pin are equipped with the fastener, horizontal scale plate with vertical scale plate with fastener normal running fit, rope tying post is located on the vertical center pin and with the base is fixed, ratchet locates the opposite side of measuring apparatu quotation with the base is fixed.
2. The mechanical measuring instrument with the ratchet wheel type as claimed in claim 1, wherein the ratchet mechanism comprises a crank support, a pawl seat, a crank, a ratchet wheel, a pawl and a pawl shaft, the crank support and the pawl seat are both fixed on the base, the crank penetrates through the crank support and is in rotating fit with the crank support, the ratchet wheel is fixedly sleeved on the crank, the ratchet wheel is meshed with the pawl, and the pawl is in rotating fit with the pawl seat through the pawl shaft.
3. A mechanical measuring instrument with ratchet according to claim 2, wherein the lanyard post is provided with a through hole.
4. A mechanical measuring instrument with ratchet wheel according to claim 1, wherein the angle of the horizontal scale plate is from minus 90 degrees to plus 90 degrees.
5. A mechanical measuring instrument with a ratchet according to claim 1, wherein the fastening means is a pin and a pin sleeve.
6. A mechanical measuring instrument with a ratchet wheel according to claim 1, wherein the rotation axes of the rope tying column, the vertical scale plate and the horizontal scale plate intersect at the center of the measuring instrument panel.
7. The mechanical measuring instrument with a ratchet wheel as claimed in claim 1, wherein the base and the measuring instrument disk surface and the base and the ratchet mechanism are detachably fixed.
8. The mechanical measuring instrument with the ratchet wheel according to claim 1, wherein the vertical scale plate and the horizontal scale plate are both of a sector structure with a hollow middle part.
9. A mechanical measuring instrument with ratchet wheel according to claim 1, wherein the vertical scale plate and the horizontal scale plate are provided with small holes.
10. A mechanical measuring instrument with a ratchet according to claim 1, wherein the measuring instrument is used with ropes in pairs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111296087.8A CN114234774A (en) | 2021-11-03 | 2021-11-03 | Mechanical measuring instrument with ratchet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111296087.8A CN114234774A (en) | 2021-11-03 | 2021-11-03 | Mechanical measuring instrument with ratchet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114234774A true CN114234774A (en) | 2022-03-25 |
Family
ID=80743691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111296087.8A Pending CN114234774A (en) | 2021-11-03 | 2021-11-03 | Mechanical measuring instrument with ratchet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114234774A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201552529U (en) * | 2009-09-14 | 2010-08-18 | 宋保兴 | Rope tightening device |
| CN201803687U (en) * | 2010-09-26 | 2011-04-20 | 天津天易海上工程有限公司 | Flange connection type expansion bend measuring instrument for submarine pipes |
| CN202032978U (en) * | 2009-12-30 | 2011-11-09 | 天津市海王星海上工程技术有限公司 | Seabed pipeline flange measuring instrument |
| CN212637299U (en) * | 2020-07-15 | 2021-03-02 | 江西麦鼎科技股份有限公司 | Safe tensioner of ratchet type binding belt |
| CN113335359A (en) * | 2021-06-02 | 2021-09-03 | 江苏徐矿能源股份有限公司张双楼煤矿 | Protection device and transport vehicle |
-
2021
- 2021-11-03 CN CN202111296087.8A patent/CN114234774A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201552529U (en) * | 2009-09-14 | 2010-08-18 | 宋保兴 | Rope tightening device |
| CN202032978U (en) * | 2009-12-30 | 2011-11-09 | 天津市海王星海上工程技术有限公司 | Seabed pipeline flange measuring instrument |
| CN201803687U (en) * | 2010-09-26 | 2011-04-20 | 天津天易海上工程有限公司 | Flange connection type expansion bend measuring instrument for submarine pipes |
| CN212637299U (en) * | 2020-07-15 | 2021-03-02 | 江西麦鼎科技股份有限公司 | Safe tensioner of ratchet type binding belt |
| CN113335359A (en) * | 2021-06-02 | 2021-09-03 | 江苏徐矿能源股份有限公司张双楼煤矿 | Protection device and transport vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20230615 Address after: Room 202-f105, 2 / F, Ligang building podium, No. 82, West 2nd Road, Tianjin Binhai New Area pilot free trade zone (Airport Economic Zone) Applicant after: OFFSHORE OIL ENGINEERING Co.,Ltd. Applicant after: COOEC SUBSEA TECHNOLOGY Co.,Ltd. Address before: Room 202-f105, 2 / F, Ligang building podium, No. 82, West 2nd Road, Tianjin Binhai New Area pilot free trade zone (Airport Economic Zone) Applicant before: OFFSHORE OIL ENGINEERING Co.,Ltd. |
|
| TA01 | Transfer of patent application right | ||
| CB02 | Change of applicant information |
Address after: Room 202-f105, 2 / F, Ligang building podium, No. 82, West 2nd Road, Tianjin Binhai New Area pilot free trade zone (Airport Economic Zone) Applicant after: OFFSHORE OIL ENGINEERING Co.,Ltd. Applicant after: CNOOC Shenzhen Ocean Engineering Technology Service Co.,Ltd. Address before: Room 202-f105, 2 / F, Ligang building podium, No. 82, West 2nd Road, Tianjin Binhai New Area pilot free trade zone (Airport Economic Zone) Applicant before: OFFSHORE OIL ENGINEERING Co.,Ltd. Applicant before: COOEC SUBSEA TECHNOLOGY Co.,Ltd. |
|
| CB02 | Change of applicant information |