CN108088354B - Measuring tool for detecting space angle of bent pipe - Google Patents
Measuring tool for detecting space angle of bent pipe Download PDFInfo
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- CN108088354B CN108088354B CN201810057094.4A CN201810057094A CN108088354B CN 108088354 B CN108088354 B CN 108088354B CN 201810057094 A CN201810057094 A CN 201810057094A CN 108088354 B CN108088354 B CN 108088354B
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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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Abstract
The invention belongs to the technical field of measuring tools, and particularly relates to a measuring tool for detecting the space angle of a bent pipe, which comprises a base, a measuring swing arm and a support which is vertically and slidably arranged on the base, wherein a first positioning device for vertically positioning a positioning end of the bent pipe on the base and a clamping device for clamping the positioning end of the bent pipe are slidably arranged on the base, the clamping center of the clamping device is superposed with the axis of the positioning end of the bent pipe, the first positioning device slides close to or far away from the support, a rectangular table is slidably arranged on the support up and down, one end of the measuring swing arm is hinged on the rectangular table, and a second positioning device for vertically positioning the end to be measured of the bent pipe on the measuring swing arm is slidably arranged on the bottom surface of the measuring swing arm. Has the advantages that: the measuring tool for detecting the space angle of the bent pipe has the advantages of simple structure, convenient operation and low cost, and can finish the measurement of the space angle of the bent pipe and the inspection of the related quality of batch products under the non-high-precision detection requirement.
Description
Technical Field
The invention belongs to the technical field of measuring tools, and particularly relates to a measuring tool for detecting a space angle of a bent pipe.
Background
The bending pipe is a part with wide application, which is very common in the industrial field, and the processing technology generally comprises the steps of firstly processing and generating a long straight pipe, and then carrying out relevant bending operation through a bending machine to complete generation of the part. The cold bending pipe is mainly machined through physical bending, so that for the difference of plasticity of materials, whether the bent pipe after bending completely meets the design and production requirements or not becomes a key for restricting the quality of the bent pipe product.
At present, the best mode for detecting the angle and the size of the bent pipe is a three-coordinate measuring machine, but as a production line product, the adoption of three-coordinate detection is undoubtedly time-consuming and labor-consuming, the detection cost is too high, and the actual production benefit is not met. The other existing commonly-adopted solution is that a corresponding gauge is directly manufactured, namely the fixed elbow angle detection device is single in use function, the elbow angle detection device can only detect elbow parts meeting the self angle measurement condition and cannot be used universally, the requirement for detecting the corresponding product quality in the production process of the assembly line is met, but the function of the elbow angle detection device is lack of flexibility and still needs to be improved. And some bent pipe angle detection measuring tools can only detect two-dimensional angles in the same plane, and have single function or complex structures and are not suitable for field operation.
Disclosure of Invention
In order to solve the problems that the time and labor are wasted and the detection cost is overhigh when the angle size of the bent pipe is detected by adopting three coordinates in the prior art, the invention provides the measuring tool for detecting the space angle of the bent pipe.
In order to solve the technical problem, according to the technical scheme adopted by the invention, the measuring tool for detecting the space angle of the bent pipe comprises a base, a measuring swing arm and a support which is vertically and slidably arranged on the base, wherein a first positioning device for vertically positioning the positioning end of the bent pipe on the base and a clamping device for clamping the positioning end of the bent pipe are slidably arranged on the base, the clamping center of the clamping device is overlapped with the axis of the positioning end of the bent pipe, the first positioning device slides close to or away from the support, a rectangular table is slidably arranged on the support up and down, one end of the measuring swing arm is hinged on the rectangular table, and a second positioning device for vertically positioning the end to be measured of the bent pipe on the measuring swing arm is slidably arranged on the bottom surface of the measuring swing arm.
Preferably, the first positioning means comprises a first conical table cooperating with the positioning end of the elbow, the axis of the first conical table being perpendicular to the top surface of the base. The positioning end of the bent pipe is sleeved on the first conical table, the axis of the positioning end of the bent pipe and the axis of the first conical table are automatically overlapped and are perpendicular to the top surface of the base, and the automatic positioning device is simple in structure, convenient to operate, accurate in positioning and low in cost.
Preferably, the second positioning device comprises a second conical table matched with the end to be measured of the elbow, and the axis of the second conical table is perpendicular to the bottom surface of the measuring swing arm. The sliding support, the rectangular table and the rotating measuring swing arm enable the second conical table to be inserted into the end to be measured of the bent pipe, the axis of the end to be measured of the bent pipe and the axis of the second conical table are automatically overlapped and are perpendicular to the bottom surface of the measuring swing arm, and the bending machine is simple in structure, convenient to operate, accurate in positioning and low in cost.
As preferred, clamping device is including setting up the tight seat of clamp in first toper platform both sides, T type groove has been seted up on the base, be provided with locking screw on the first toper platform, press from both sides the bottom of tight seat and all slide the setting in T type inslot with locking screw complex nut, be fixed with the pole setting on pressing from both sides tight seat, the sliding sleeve is equipped with and presss from both sides tight piece on the pole setting, the bilateral symmetry that presss from both sides tight piece is provided with two fastening bolt, fastening bolt passes two press from both sides tight piece and will press from both sides tight piece clamp tightly. After the positioning end of the bent pipe is sleeved on the first conical table, the two clamping blocks slide, the distance between the height of each clamping block and the positioning end of the bent pipe is moderate, and the fastening bolts are screwed to enable the clamping devices to clamp the positioning ends of the bent pipe, so that the positioning stability of the bent pipe is improved, and the measuring accuracy of the measuring tool is improved.
Preferably, two L-shaped grooves are formed in the base, the two L-shaped grooves are symmetrically distributed on two sides of the T-shaped groove, and two L-shaped sliding blocks matched with the L-shaped grooves are fixed below the first conical table. The setting in two L type grooves plays the guide effect to first toper platform, and L type groove and T type groove cooperation have further improved the gliding stability of first toper platform, have improved the measurement accuracy of measuring tool.
Further, the side of base has also seted up T type groove and the L type groove of symmetric distribution in T type groove both sides, the lower part of support is provided with two at least locking screw, locking screw's head slides and sets up in T type groove, locking screw's afterbody threaded connection has the locking handle, the side of support be fixed with L type groove complex L type slider. The arrangement of the two L-shaped grooves has a guiding effect on the support, the L-shaped grooves and the T-shaped grooves are matched, so that the sliding stability of the support is further improved, and the measuring accuracy of the measuring tool is improved; the support is locked and positioned by screwing the locking handle, the structure is simple, the function is stable, the cost is lower, the operation is simple, convenient and quick, and the stability of positioning the support is improved by at least two locking screws.
Further, a locking groove penetrates through the support, the L-shaped grooves are symmetrically distributed on two sides of the locking groove, the L-shaped sliding block matched with the L-shaped grooves is fixed on the side face of the rectangular table, the locking screw is arranged on the rectangular table, the locking screw is arranged in the locking groove in a sliding mode and penetrates through the locking groove, the tail portion of the locking screw is connected with the locking handle, a sliding groove gasket is sleeved on the locking screw, and anti-rotation pieces matched with the two inner walls of the locking groove are arranged on the sliding groove gasket. The arrangement of the two L-shaped grooves plays a role in guiding the rectangular table, the L-shaped grooves are matched with the locking grooves, so that the sliding stability of the rectangular table is further improved, and the measuring precision of the measuring tool is improved; the locking handle is screwed to lock and position the rectangular table, and the locking mechanism is simple in structure, stable in function, low in cost, simple, convenient and quick to operate.
Further, it has also to run through on the measuring swing arm locking groove, the bilateral symmetry in locking groove distributes there are L type groove, the bottom surface of second toper platform be fixed with L type groove complex L type slider, second toper bench is provided with locking screw, locking screw slides and sets up at locking inslot and passes locking groove, locking screw's trailing end connection has locking handle, the cover is equipped with the spout gasket on the locking screw, have on the spout gasket with locking groove's two inner wall complex prevent the rotor. The two L-shaped grooves are arranged to guide the second conical table, and the L-shaped grooves and the locking grooves are matched to further improve the sliding stability of the second conical table and improve the measurement precision of the measuring tool; the second conical table is locked and positioned by screwing the locking handle, and the locking device is simple in structure, stable in function, low in cost, simple, convenient and quick to operate.
Furthermore, T-shaped chutes are formed in two sides of the rectangular platform, two clamping shaft sleeves are arranged in the T-shaped chutes in a sliding mode, rotary shaft sleeves are arranged at the bottom end of the measuring swing arm in a fixed mode, the rotary shaft sleeves are located between the two clamping shaft sleeves, and the locking screws penetrate through the rotary shaft sleeves and the two clamping shaft sleeves and are used for clamping the rotary shaft sleeves. Simple structure, simple and convenient assembly, quick operation and lower cost.
Furthermore, a circle of angle scales are arranged on the outer side face of the clamping shaft sleeve, the angle scales use the rotating center of the rotating shaft sleeve as a circle center, and a pointer matched with the angle scales is arranged on the side face of the measuring swing arm.
Has the advantages that:
(1) the measuring tool for detecting the space angle of the bent pipe has a simple and reliable structure, does not have a complex mechanism, and adopts mature and reliable measuring modes which are widely used for measuring other measuring contents.
(2) The measuring tool for detecting the space angle of the bent pipe is convenient to operate, a part to be measured is assembled with the measuring tool according to the installation and assembly characteristics in the measuring process, and when the bent pipe is measured and assembled, the positioning end and the end to be measured must be respectively matched with the first conical table and the second conical table to determine the center reference, so that the reference determination can be ensured after the assembly is completed, and the operation is convenient and rapid.
(3) The measuring tool for detecting the space angle of the bent pipe has the advantages of measurement and check, when the measuring tool is used as the measuring tool, the data sheet can be pasted at the blank position of the base after the data is determined, the information such as part name and data is marked, and then the first conical table, the support, the rectangular table and the second conical table are locked into a fixed state, so that the checking and checking of the product of the production line can be carried out, and the operation is convenient and fast.
Drawings
FIG. 1 is a schematic perspective view of a measuring tool for measuring a spatial angle of a bent pipe according to the present invention;
FIG. 2 is a schematic perspective view of the measuring tool for measuring the spatial angle of the bent pipe according to the present invention;
FIG. 3 is an exploded view of the gauge for measuring the spatial angle of the bent pipe according to the present invention;
FIG. 4 is an enlarged partial schematic view of A in FIG. 3;
FIG. 5 is an enlarged partial schematic view of B in FIG. 3;
FIG. 6 is an enlarged partial schematic view of C in FIG. 3;
FIG. 7 is an enlarged partial schematic view of D of FIG. 3;
in the figure, the device comprises a base 1, a base 2, a measuring swing arm 3, a support 4, a rectangular table 5, a first conical table 6, a second conical table 7, a clamping seat 8, a T-shaped groove 9, an L-shaped groove 10, an L-shaped sliding block 11, a locking screw 12, a vertical rod 13, a clamping block 14, a fastening bolt 15, a locking handle 16, a locking groove 17, a sliding groove gasket 18, a T-shaped sliding groove 19, a clamping shaft sleeve 20, a rotating shaft sleeve 21, a bent pipe 22, a positioning end 23 and an end to be measured.
Detailed Description
Examples
As shown in FIGS. 1 to 7, a measuring tool for measuring the space angle of a bent pipe, a bent pipe 21 to be measured is bent three times in a space, and has a positioning end 22 and a to-be-measured end 23, and the end to be measured 23 is bent at a non-right angle and comprises a base 1, a measuring swing arm 2 and a bracket 3 vertically and slidably arranged on the base 1, the base 1 is provided with a first positioning device for vertically positioning the positioning end 22 of the elbow 21 on the base 1 and a clamping device for clamping the positioning end 22 of the elbow 21, the centre of the clamping means coincides with the axis of the positioning end 22 of the elbow 21, the first positioning means slides closer to or further from the support 3, the bracket 3 is provided with a rectangular platform 4 in an up-and-down sliding manner, one end of the measuring swing arm 2 is hinged on the rectangular platform 4, the bottom surface of the measuring swing arm 2 is slidably provided with a second positioning device for vertically positioning the end 23 to be measured of the bent pipe 21 on the measuring swing arm 2. The first positioning means comprise a first conical table 5 cooperating with a positioning end 22 of the elbow 21, the axis of the first conical table 5 being perpendicular to the top surface of the base 1. The second positioning device comprises a second conical table 6 matched with the end to be measured 23 of the bent pipe 21, and the axis of the second conical table 6 is perpendicular to the bottom surface of the measuring swing arm 2.
Clamping device is including setting up the tight seat 7 of clamp in 5 both sides of first toper platform, T type groove 8 has been seted up on the base 1, be provided with locking screw 11 on the first toper platform 5, press from both sides the bottom of tight seat 7 and all slide the setting in T type groove 8 with locking screw 11 complex nut, be fixed with pole setting 12 on pressing from both sides tight seat 7, the slip cap is equipped with and presss from both sides tight piece 13 on pole setting 12, the bilateral symmetry that presss from both sides tight piece 13 is provided with two fastening bolt 14, fastening bolt 14 passes two press from both sides tight piece 13 and will press from both sides tight piece 13 and press from both sides tightly. In order to enhance the clamping reliability of the clamping blocks 13, friction textures are arranged on the opposite end faces of the two clamping blocks 13. In order to improve the gliding direction precision of first toper platform 5, two L type grooves 9 have been seted up on the base 1, two L type groove 9 symmetric distribution is in the both sides of T type groove 8, the below of first toper platform 5 is fixed with two and L type groove 9 complex L type sliders 10. For convenient data recording, the two sides of the L-shaped groove 9 of the base 1 are blank platforms, and data sheets are placed on the blank platforms, so that the data recording is more convenient and faster.
The measuring swing arm 2 is also provided with a locking groove 16 in a penetrating manner, two sides of the locking groove 16 are symmetrically provided with L-shaped grooves 9, the bottom surface of the second conical table 6 is fixed with an L-shaped sliding block 10 matched with the L-shaped grooves 9, the second conical table 6 is provided with locking screws 11, the locking screws 11 are slidably arranged in the locking grooves 16 and penetrate through the locking grooves 16, the tail portions of the locking screws 11 are connected with a locking handle 15, the locking screws 11 are sleeved with sliding groove gaskets 17, and the sliding groove gaskets 17 are provided with two anti-rotation pieces matched with the two inner walls of the locking grooves 16. T type spout 18 has been seted up to the both sides of rectangle platform 4, two all slide in the T type spout 18 and be provided with and press from both sides tight axle sleeve 19, the bottom mounting of measuring swing arm 2 is provided with rotates axle sleeve 20, it is located two to rotate axle sleeve 20 press from both sides between the tight axle sleeve 19, locking screw 11 passes and rotates axle sleeve 20 and two it is used for pressing from both sides tight axle sleeve 20 tightly to press from both sides tight axle sleeve 19. In order to enhance the reliability of the clamping of the two clamping bushings 19 to the rotating bushing 20, the opposite end faces of the rotating bushing 20 and the two clamping bushings 19 are provided with friction textures. A circle of angle scales are arranged on the outer side surface of the clamping shaft sleeve 19, the angle scales use the rotating center of the rotating shaft sleeve 20 as the circle center, and a pointer matched with the angle scales is arranged on the side surface of the measuring swing arm 2. In order to facilitate measurement and reading and help the invention to be better applied to the actual production and processing process of products, scales are arranged on two sides of the T-shaped groove 8 of the base 1, the side edge of the base 1 close to the bracket 3, two sides of the locking groove 16 of the bracket 3 and two sides of the locking groove 16 of the measuring swing arm 2.
The working principle is as follows:
in a measuring state, the positioning end 22 of the bent pipe 21 is firstly sleeved on the first conical table 5 of the base 1, after the axis of the positioning end 22 of the bent pipe 21 is aligned and superposed with the axis of the first conical table 5, the distance between the two clamping seats 7 is adjusted, the height of the two clamping blocks 13 is adjusted, and the two fastening bolts 14 are screwed, so that the clamping blocks 13 clamp the positioning end 22 of the bent pipe 21. At the moment, the first conical table 5 is moved to enable the distance between the end 23 to be measured of the bent pipe 21 and the support 3 to be moderate, the first conical table 5 is located at an accurate reading position according to the requirement of measuring personnel, then the first conical table 5 is locked and positioned by the locking screw 11, then the support 3 is moved, the rectangular table 4 is moved, the measuring swing arm 2 is rotated, and the second conical table 6 is moved. The data can be recorded on the data sheet at the blank position of the base 1 for convenient viewing.
Under the checking state, after the sample bent pipe 21 is measured, the two fastening bolts 14 are unscrewed to move the two clamping seats 7, the measuring swing arm 2 is rotated to take the sample bent pipe 21 down, at the moment, the first conical table 5, the support, the rectangular table 4 and the second conical table 6 are kept in a locking and fixing state, a measuring tool for detecting the space angle of the bent pipe 21 is used as a gauge, products obtained by assembly line production are sequentially checked and measured, and the product quality is determined.
Claims (7)
1. The utility model provides a measuring tool of detection return bend space angle which characterized in that: the device comprises a base (1), a measuring swing arm (2) and a support (3) vertically and slidably arranged on the base (1), wherein a first positioning device used for vertically positioning a positioning end (22) of a bent pipe (21) on the base (1) and a clamping device used for clamping the positioning end (22) of the bent pipe (21) are slidably arranged on the base (1), the clamping center of the clamping device coincides with the axis of the positioning end (22) of the bent pipe (21), the first positioning device is close to or far away from the support (3) to slide, the support (3) is provided with a rectangular table (4) in an up-and-down sliding manner, one end of the measuring swing arm (2) is hinged to the rectangular table (4), and a second positioning device used for vertically positioning an end (23) to be measured of the bent pipe (21) on the measuring swing arm (2) is slidably arranged on the bottom surface of the measuring swing arm (2);
the first positioning device comprises a first conical table (5) matched with a positioning end (22) of the elbow (21), and the axis of the first conical table (5) is vertical to the top surface of the base (1);
the second positioning device comprises a second conical table (6) matched with the end to be measured (23) of the bent pipe (21), and the axis of the second conical table (6) is vertical to the bottom surface of the measuring swing arm (2);
clamping device is including setting up the tight seat (7) of clamp in first toper platform (5) both sides, T type groove (8) have been seted up on base (1), be provided with locking screw (11) on first toper platform (5), the bottom of pressing from both sides tight seat (7) and all slide the setting in T type groove (8) with locking screw (11) complex nut, be fixed with pole setting (12) on pressing from both sides tight seat (7), the slip cover is equipped with and presss from both sides tight piece (13) on pole setting (12), the bilateral symmetry of pressing from both sides tight piece (13) is provided with two fastening bolt (14), fastening bolt (14) pass two press from both sides tight piece (13) and will press from both sides tight piece (13) and press from both sides tightly.
2. The gauge for detecting the spatial angle of the bent pipe according to claim 1, wherein: two L type grooves (9) have been seted up on base (1), two L type groove (9) symmetric distribution is in the both sides of T type groove (8), the below of first toper platform (5) is fixed with two and L type groove (9) complex L type slider (10).
3. The gauge for detecting the spatial angle of the bent pipe according to claim 2, wherein: t type groove (8) and L type groove (9) of symmetric distribution in T type groove (8) both sides have also been seted up to the side of base (1), the lower part of support (3) is provided with at least two locking screw (11), the head of locking screw (11) slides and sets up in T type groove (8), the afterbody threaded connection of locking screw (11) has locking handle (15), the side of support (3) is fixed with L type groove (9) complex L type slider (10).
4. The gauge for detecting the spatial angle of the bent pipe according to claim 2, wherein: run through on support (3) and have locking groove (16), the both sides of locking groove (16) also symmetric distribution have L type groove (9), the side of rectangle platform (4) is fixed with L type groove (9) complex L type slider (10), be provided with on rectangle platform (4) locking screw (11), locking screw (11) slide to set up in locking groove (16) and pass locking groove (16), the end connection of locking screw (11) has locking handle (15), the cover is equipped with spout gasket (17) on locking screw (11), have on spout gasket (17) with two inner wall complex of locking groove (16) prevent the rotor.
5. The gauge for detecting the spatial angle of the bent pipe according to claim 2, wherein: it has also to run through on swing arm (2) to measure locking groove (16), the bilateral symmetry distribution of locking groove (16) has L type groove (9), the bottom surface of second toper platform (6) is fixed with L type groove (9) complex L type slider (10), be provided with on second toper platform (6) locking screw (11), locking screw (11) slide to set up in locking groove (16) and pass locking groove (16), the end connection of locking screw (11) has locking handle (15), the cover is equipped with spout gasket (17) on locking screw (11), have on spout gasket (17) with two inner wall complex anti-rotation pieces of locking groove (16).
6. The gauge for detecting the spatial angle of the bent pipe according to claim 1 or 4, wherein: t type spout (18), two have been seted up to the both sides of rectangle platform (4) all slide in T type spout (18) and be provided with and press from both sides tight axle sleeve (19), the bottom mounting of measuring swing arm (2) is provided with rotates axle sleeve (20), it is located two to rotate axle sleeve (20) press from both sides between tight axle sleeve (19), locking screw (11) pass and rotate axle sleeve (20) and two it is used for pressing from both sides tight axle sleeve (20) with rotating to press from both sides tight axle sleeve (19).
7. The gauge for detecting the spatial angle of the bent pipe according to claim 6, wherein: the outer side surface of the clamping shaft sleeve (19) is provided with a circle of angle scales, the angle scales use the rotating center of the rotating shaft sleeve (20) as the circle center, and the side surface of the measuring swing arm (2) is provided with a pointer matched with the angle scales.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810057094.4A CN108088354B (en) | 2018-01-22 | 2018-01-22 | Measuring tool for detecting space angle of bent pipe |
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| CN201810057094.4A CN108088354B (en) | 2018-01-22 | 2018-01-22 | Measuring tool for detecting space angle of bent pipe |
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| CN108088354B true CN108088354B (en) | 2020-05-05 |
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| CN109059841A (en) * | 2018-07-27 | 2018-12-21 | 合肥和瑞机械制造有限公司 | A kind of bend pipe angle detection device |
| CN109443204B (en) * | 2018-11-08 | 2021-06-01 | 中车长春轨道客车股份有限公司 | Complex bent pipe size detection method |
| CN109764825A (en) * | 2019-01-23 | 2019-05-17 | 浙江工业大学 | A kind of bend pipe ellipticity manual measurement device |
| CN111366056A (en) * | 2020-03-13 | 2020-07-03 | 上海舜华新能源系统有限公司 | Multifunctional measuring device |
| CN114923461A (en) * | 2022-05-17 | 2022-08-19 | 中建八局第一建设有限公司 | Perpendicularity detection device for building construction |
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