CN203615865U - Digital oil well pipe thread pitch diameter measuring device - Google Patents
Digital oil well pipe thread pitch diameter measuring device Download PDFInfo
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- CN203615865U CN203615865U CN201320805049.5U CN201320805049U CN203615865U CN 203615865 U CN203615865 U CN 203615865U CN 201320805049 U CN201320805049 U CN 201320805049U CN 203615865 U CN203615865 U CN 203615865U
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Abstract
The utility model relates to a digital oil well pipe thread pitch diameter measuring device. A fixed bracket is fixed at the rightmost end of a main scale frame, and a movable bracket is arranged at the left end of the main scale frame and can slide freely; a fixed measuring rod is inserted into a depth scale hole in the fixed bracket, and a movable measuring rod is inserted into a depth scale hole in the movable bracket; an equidistant movable lever is inserted into a lever cavity and connected with the fixed measuring rod through a center distance screw; the lower part of the fixed measuring rod is provided with a spring hole, two springs are arranged in the spring hole, and the lower end of the equidistant movable lever is arranged between the two springs and is in neutral equilibrium; a dial indicator is fixedly arranged in a mounting hole of the lower part of the fixed measuring rod, and a contact of a measuring rod end part of the dial indicator is in contact with the side surface of the equidistant movable lever; and the upper ends of the movable measuring rod and the equidistant movable lever are respectively provided with a measuring head base, and two ends of each measuring head base are respectively provided with an outer diameter measuring head and an inner diameter measuring head. The digital oil well pipe thread pitch diameter measuring device has the advantages of simple structure, strong versatility and convenient usage, can measure pitch diameter of internal and external threads of the oil well pipe, and is accurate and reliable in measurement results.
Description
Technical field
The utility model relates to the measuring device of oil well pipe internal and external threads central diameter, specifically calipers in a kind of digital oil well pipe thread.
Background technology
The technology of existing measurement oil well pipe internal and external threads central diameter is the position dimension that uses central diameter degree of depth master bar check and correction fixation measuring head and movable measuring head, then with the diameter dimension between two measuring heads of pitch diameter of thread diameter master bar check and correction, after all fixing, carry out the measurement of respective threaded central diameter, determine by dial gauge beat of pointer scope whether its workpiece pitch diameter of thread meets size tolerance requirements.Because the size of the central diameter degree of depth and central diameter diameter master bar is fixed, cause the master bar size of different size all different, master bar configuration quantity is huge, wastes relatively large tool cost simultaneously, and it is very inconvenient that operation is used.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, calipers in a kind of digital oil well pipe thread is provided, it is simple in structure, highly versatile, easy to use, all can measure oil well pipe internal and external threads central diameter, without using the central diameter degree of depth and central diameter diameter master bar to proofread, measurement result is accurately reliable.
The technical scheme providing according to the utility model: calipers in digital oil well pipe thread, is characterized in that: comprise main scale frame, dial gauge, dial gauge lock-screw, fixing measuring staff, movable measuring staff, centre distance screw, equidistant active lever, gauge head base, external diameter gauge head, internal diameter gauge head, spring, spring gib screw, fixed support, pit gauge trip bolt, support trip bolt and travel(l)ing rest; Described fixed support is fixed on the low order end of main scale frame, described travel(l)ing rest be arranged on main scale frame left end any position and can free slippage, travel(l)ing rest is provided with support trip bolt; On described fixed support, travel(l)ing rest, be equipped with the pit gauge hole perpendicular to main scale frame, described fixing measuring staff inserts in the pit gauge hole on fixed support, and described movable measuring staff inserts in the pit gauge hole on travel(l)ing rest; In described fixing measuring staff, be provided with lever chamber, equidistant active lever inserts in lever chamber and by centre distance screw and is connected with fixing measuring staff, and equidistant active lever can swing centered by centre distance screw; Described fixing measuring staff bottom is provided with spring eye, and this spring eye is vertical with lever chamber and be interconnected, and two springs are loaded in spring eye and block by spring gib screw is spacing, and the lower end of described equidistant active lever is positioned in the middle of two springs and neutral balances; Described fixing measuring staff bottom is also provided with mounting hole, this mounting hole site is in spring eye top and parallel with spring eye, mounting hole is inner to be communicated with lever chamber, described dial gauge is contained in mounting hole and is also locked with dial gauge lock-screw, and the contact of dial gauge measuring staff end contacts with equidistant active lever side; The upper end of described movable measuring staff and equidistant active lever is equipped with gauge head base, and external diameter gauge head, internal diameter gauge head are installed respectively in the two ends of two gauge head bases, and external diameter gauge head and internal diameter gauge head on two gauge head bases is positioned on same axis.
As further improvement of the utility model, described fixed support all adopts with travel(l)ing rest the vernier support that structure is identical, on vernier support, be equipped with main scale frame hole, one of them vernier support is assemblied in main scale frame low order end by main scale frame hole, remains fastening by support trip bolt; Another vernier support is assemblied in main scale frame left end any position can free slippage by main scale frame hole, can be fastening by support trip bolt in the time that needs are fixed.
As further improvement of the utility model, on described fixed support and travel(l)ing rest, be equipped with Depth display window and diameter display window, Depth display window and diameter display window are respectively equipped with metric and English switching push button, shift knob and the button that makes zero, described Depth display window can show central diameter depth dimensions, and described diameter display window can show central diameter diameter dimension.
As further improvement of the utility model, the shape of cross section of described main scale frame is U-shaped, and the shape in main scale frame hole and the shape of cross section of main scale frame on described fixed support, travel(l)ing rest are suitable.
the utility model compared with prior art, has the following advantages:(1) simple in structure, the highly versatile, easy to use of the utility model, without any master bar, be adapted to oil well pipe internal and external threads central diameter Quick Measurement, meet the measurement demand of different size oil well pipe internal and external threads central diameter, can meet long-term request for utilization, save the deployment cost of the huge central diameter degree of depth and central diameter diameter master bar.(2) the utility model can meet by simple adjustment the converted measurement of internal and external threads central diameter, convenient and swift, by changing public affairs, dial gauge made in Great Britain, can realize the not measurement requirement of commensurate, metric system measuring accuracy meets 0.01mm, measuring accuracy made in Great Britain meets 0.001in, and measurement result is accurately reliable.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment.
Fig. 2 is the view of the utility model embodiment in the time of zeroing position.
Fig. 3 is the structure side view of fixed support or travel(l)ing rest in Fig. 1.
Fig. 4 is the assembling assumption diagram of fixing measuring staff and relevant appurtenances thereof in Fig. 1.
Fig. 5 is the assembling assumption diagram of movable measuring staff and relevant appurtenances thereof in Fig. 1.
Embodiment
Below in conjunction with concrete drawings and Examples, the utility model is described in further detail.
As shown in the figure: in the digital oil well pipe thread in embodiment, calipers is mainly made up of parts such as main scale frame 1, dial gauge 2, dial gauge lock-screw 3, fixing measuring staff 4, movable measuring staff 5, centre distance screw 6, equidistant active lever 7, gauge head base 8, external diameter gauge head 9, internal diameter gauge head 10, spring 11, spring gib screw 12, fixed support 13, pit gauge trip bolt 14, support trip bolt 15 and travel(l)ing rests 20.
As shown in Fig. 1 ~ Fig. 5, described fixed support 13 is fixed on the low order end of main scale frame 1, described travel(l)ing rest 20 be arranged on main scale frame 1 left end any position and can free slippage, travel(l)ing rest 20 is provided with support trip bolt 15; On described fixed support 13, travel(l)ing rest 20, be equipped with the pit gauge hole 19 perpendicular to main scale frame 1, described fixing measuring staff 4 inserts in the pit gauge hole 19 on fixed support 13, and described movable measuring staff 5 inserts in the pit gauge hole 19 on travel(l)ing rest 20; In described fixing measuring staff 4, be provided with lever chamber, equidistant active lever 7 inserts in lever chamber and by centre distance screw 6 and is connected with fixing measuring staff 4, and equidistant active lever 7 can swing centered by centre distance screw 6; Described fixing measuring staff 4 bottoms are provided with spring eye 21, this spring eye 21 is vertical with lever chamber and be interconnected, two springs 11 are loaded in spring eye 21 and block by spring gib screw 12 is spacing, and the lower end of described equidistant active lever 7 is positioned in the middle of two springs 11 and neutral balance; Described fixing measuring staff 4 bottoms are also provided with mounting hole 22, this mounting hole 22 is positioned at spring eye 21 tops and parallel with spring eye 21, mounting hole 22 is inner to be communicated with lever chamber, described dial gauge 2 is contained in mounting hole 22 and is also locked with dial gauge lock-screw 3, and the contact of dial gauge 2 measuring staff ends contacts with equidistant active lever 7 sides; The upper end of described movable measuring staff 5 and equidistant active lever 7 is equipped with the two ends of 8, two gauge head bases 8 of gauge head base external diameter gauge head 9, internal diameter gauge head 10 is installed respectively, and external diameter gauge head 9 and internal diameter gauge head 10 on two gauge head bases 8 is positioned on same axis.
As shown in Fig. 1 ~ Fig. 3, in the utility model embodiment, described fixed support 13 all adopts with travel(l)ing rest 20 the vernier support that structure is identical, on vernier support, be equipped with main scale frame hole 18, one of them vernier support is assemblied in main scale frame 1 low order end by main scale frame hole 18, remains fastening by support trip bolt 15; Another vernier support is assemblied in main scale frame 1 left end any position can free slippage by main scale frame hole 18, can be fastening by support trip bolt 15 in the time that needs are fixed.
As shown in Figure 1 and Figure 2, in the utility model embodiment, on described fixed support 13 and travel(l)ing rest 20, be equipped with Depth display window 16 and diameter display window 17, Depth display window 16 and diameter display window 17 are respectively equipped with metric and English switching push button, shift knob and the button that makes zero, described Depth display window 16 can show central diameter depth dimensions, and described diameter display window 17 can show central diameter diameter dimension.
As shown in Fig. 1 ~ Fig. 3, in the utility model embodiment, the shape of cross section of described main scale frame 1 is U-shaped, and the shape in main scale frame hole 18 and the shape of cross section of main scale frame 1 on described fixed support 13, travel(l)ing rest 20 are suitable.
Concrete applicable cases of the present utility model is as follows:
First be the adjustment of the central diameter degree of depth, unscrew pit gauge trip bolt 14, will fix measuring staff 4 down slidings, external diameter gauge head 9, the internal diameter gauge head 10 of fixing measuring staff 4 upper ends are contacted with the upper plane of fixed support 13, adjust the nut on external diameter gauge head 9, internal diameter gauge head 10, it must not fix and become flexible; Then the shift knob on operational depth display window 16 limits, then press metric and English switching push button and select required size unit, then press the button that makes zero, now Depth display window 16 is shown as zero-bit; Then according to the requirement of operation card central diameter depth dimensions, slowly move up and fix measuring staff 4, the numerical value showing by observation Depth display window 16 is adjusted to required central diameter depth dimensions, then it is fastening to fix measuring staff 4 by pit gauge trip bolt 14.Then adjustment activity measuring staff 5 in the same way, now the pitch diameter of thread degree of depth is adjusted complete.
Next is the adjustment of central diameter diameter, because fixed support 13 has been fixed on the low order end of main scale frame 1, so only need to adjust the travel(l)ing rest 20 of left end.First the travel(l)ing rest of left end 20 is moved right to contacting with the fixed support 13 of right-hand member, then contacted and be fixed by its gauge head measurement face that makes of fine setting two external diameter gauge head 9 top nuts in left and right, now the distance between the two external diameter gauge head 9 measurement faces of left and right is zero (shown in Fig. 2).By fine setting two internal diameter gauge head 10 top nuts in left and right, the distance about making between two measurement faces of two internal diameter gauge heads 10 remains an integer, during for calibration measurement intermediate diameter of internal thread, revises again.
While measuring pitch diameter of external thread diameter dimension, the state that distance between the two external diameter gauge head 9 measurement faces of middle calipers of the present utility model in adjusting is zero, the pointer of dial gauge 2 is adjusted to zero-bit, and the zero-bit left and right of dial gauge 2 is central diameter diameter tolerance scope.Then the shift knob on diameter display window 17 limits on the vernier support on the left side is opened, then pressed metric and English switching push button and select required dimensional units, then press the button that makes zero, now on left end travel(l)ing rest 20, diameter display window 17 is shown as zero; Slow mobile travel(l)ing rest 20 left, observe diameter display window 17 data, travel(l)ing rest 20 displacements are the required central diameter diameter dimension of operation card, then by support trip bolt 15, travel(l)ing rest 20 is locked, now the utility model can, for the measurement of pitch diameter of external thread diameter, be pitch diameter of external thread diameter dimension by the maximum turning point of finding dial gauge 2.Whether in its margin tolerance, can judge that by the maximum turning point of pointer of observing dial gauge 2 whether it is qualified.
While measuring intermediate diameter of internal thread size, only need to will in the data of that integer distance size diameter display window 17 on travel(l)ing rest 20 between two measurement faces of two the internal diameter gauge heads 10 in left and right, compensate or revise, concrete operations and above step be basic identical.Target is exactly to guarantee that the data of diameter display window 17 on travel(l)ing rest 20 add that integer distance size between two measurement faces of two the internal diameter gauge heads 10 in left and right equates with the intermediate diameter of internal thread size requiring on operation card.
The utility model is that the principle of electronic digital indicator is combined with oil well pipe internal and external threads central diameter diameter measuring device, substitute original use central diameter degree of depth master bar check and correction central diameter depth survey spot size, used central diameter diameter master bar to proofread the measuring technique of central diameter diameter measurement size, overcome the defect of the different size master bar that need to configure huge quantity, brought effective change to measurer deployment cost and management.
Claims (4)
1. calipers in digital oil well pipe thread, is characterized in that: comprise main scale frame (1), dial gauge (2), dial gauge lock-screw (3), fixing measuring staff (4), movable measuring staff (5), centre distance screw (6), equidistant active lever (7), gauge head base (8), external diameter gauge head (9), internal diameter gauge head (10), spring (11), spring gib screw (12), fixed support (13), pit gauge trip bolt (14), support trip bolt (15) and travel(l)ing rest (20); Described fixed support (13) is fixed on the low order end of main scale frame (1), described travel(l)ing rest (20) be arranged on main scale frame (1) left end any position and can free slippage, travel(l)ing rest (20) is provided with support trip bolt (15); On described fixed support (13), travel(l)ing rest (20), be equipped with the pit gauge hole (19) perpendicular to main scale frame (1), described fixing measuring staff (4) inserts in the pit gauge hole (19) on fixed support (13), and described movable measuring staff (5) inserts in the pit gauge hole (19) on travel(l)ing rest (20); In described fixing measuring staff (4), be provided with lever chamber, equidistant active lever (7) inserts in lever chamber and by centre distance screw (6) and is connected with fixing measuring staff (4), and equidistant active lever (7) can swing centered by centre distance screw (6); Described fixing measuring staff (4) bottom is provided with spring eye (21), this spring eye (21) is vertical with lever chamber and be interconnected, two springs (11) are loaded in spring eye (21) and by spacing the blocking of spring gib screw (12), and the lower end of described equidistant active lever (7) is positioned in the middle of two springs (11) and neutral balance; Described fixing measuring staff (4) bottom is also provided with mounting hole (22), this mounting hole (22) is positioned at spring eye (21) top and parallel with spring eye (21), mounting hole (22) is inner to be communicated with lever chamber, described dial gauge (2) is contained in mounting hole (22) and is also locked with dial gauge lock-screw (3), and the contact of dial gauge (2) measuring staff end contacts with equidistant active lever (7) side; The upper end of described movable measuring staff (5) and equidistant active lever (7) is equipped with gauge head base (8), external diameter gauge head (9), internal diameter gauge head (10) are installed respectively in the two ends of two gauge head bases (8), and external diameter gauge head (9) and internal diameter gauge head (10) on two gauge head bases (8) is positioned on same axis.
2. calipers in digital oil well pipe thread as claimed in claim 1, it is characterized in that: described fixed support (13) all adopts with travel(l)ing rest (20) the vernier support that structure is identical, on vernier support, be equipped with main scale frame hole (18), one of them vernier support is assemblied in main scale frame (1) low order end by main scale frame hole (18), remains fastening by support trip bolt (15); Another vernier support is assemblied in main scale frame (1) left end any position can free slippage by main scale frame hole (18), can be fastening by support trip bolt (15) in the time that needs are fixed.
3. calipers in digital oil well pipe thread as claimed in claim 1, it is characterized in that: on described fixed support (13) and travel(l)ing rest (20), be equipped with Depth display window (16) and diameter display window (17), Depth display window (16) and diameter display window (17) are respectively equipped with metric and English switching push button, shift knob and the button that makes zero, described Depth display window (16) can show central diameter depth dimensions, and described diameter display window (17) can show central diameter diameter dimension.
4. calipers in digital oil well pipe thread as claimed in claim 1, it is characterized in that: the shape of cross section of described main scale frame (1) is U-shaped, the shape in the main scale frame hole (18) on described fixed support (13), travel(l)ing rest (20) and the shape of cross section of main scale frame (1) are suitable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320805049.5U CN203615865U (en) | 2013-12-09 | 2013-12-09 | Digital oil well pipe thread pitch diameter measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320805049.5U CN203615865U (en) | 2013-12-09 | 2013-12-09 | Digital oil well pipe thread pitch diameter measuring device |
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| Publication Number | Publication Date |
|---|---|
| CN203615865U true CN203615865U (en) | 2014-05-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320805049.5U Expired - Fee Related CN203615865U (en) | 2013-12-09 | 2013-12-09 | Digital oil well pipe thread pitch diameter measuring device |
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| CN (1) | CN203615865U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105066936A (en) * | 2015-07-31 | 2015-11-18 | 重庆华瑞标准件制造有限公司 | Rapid measurement device of rectangular thread screw pitch diameter and usage method thereof |
| CN109099810A (en) * | 2018-09-30 | 2018-12-28 | 南京泉峰汽车精密技术股份有限公司 | For detecting the cubing of screwed part |
| CN109211048A (en) * | 2018-04-25 | 2019-01-15 | 章荣康 | Light-duty multifunctional beam calliper |
| CN110081797A (en) * | 2019-05-30 | 2019-08-02 | 中国工程物理研究院机械制造工艺研究所 | For the detection device and detection method of hole, axis band slightly |
| CN111174741A (en) * | 2020-01-21 | 2020-05-19 | 江苏理工学院 | Measuring device for cylindrical part with inner hole |
-
2013
- 2013-12-09 CN CN201320805049.5U patent/CN203615865U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105066936A (en) * | 2015-07-31 | 2015-11-18 | 重庆华瑞标准件制造有限公司 | Rapid measurement device of rectangular thread screw pitch diameter and usage method thereof |
| CN105066936B (en) * | 2015-07-31 | 2018-05-04 | 重庆华瑞标准件制造有限公司 | The rapid measurement device and its application method of rectangle tooth screw central diameter |
| CN109211048A (en) * | 2018-04-25 | 2019-01-15 | 章荣康 | Light-duty multifunctional beam calliper |
| CN109099810A (en) * | 2018-09-30 | 2018-12-28 | 南京泉峰汽车精密技术股份有限公司 | For detecting the cubing of screwed part |
| CN110081797A (en) * | 2019-05-30 | 2019-08-02 | 中国工程物理研究院机械制造工艺研究所 | For the detection device and detection method of hole, axis band slightly |
| CN110081797B (en) * | 2019-05-30 | 2023-11-28 | 中国工程物理研究院机械制造工艺研究所 | Detection device and detection method for hole and shaft belt tip |
| CN111174741A (en) * | 2020-01-21 | 2020-05-19 | 江苏理工学院 | Measuring device for cylindrical part with inner hole |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20140922 Granted publication date: 20140528 |
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| RINS | Preservation of patent right or utility model and its discharge | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20150322 Granted publication date: 20140528 |
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| RINS | Preservation of patent right or utility model and its discharge | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140528 Termination date: 20141209 |
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| EXPY | Termination of patent right or utility model |