CN203241023U - Device for measuring rotary table slewing angle and engineering mechanical equipment - Google Patents
Device for measuring rotary table slewing angle and engineering mechanical equipment Download PDFInfo
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- CN203241023U CN203241023U CN 201320264839 CN201320264839U CN203241023U CN 203241023 U CN203241023 U CN 203241023U CN 201320264839 CN201320264839 CN 201320264839 CN 201320264839 U CN201320264839 U CN 201320264839U CN 203241023 U CN203241023 U CN 203241023U
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Abstract
The utility model discloses a device for measuring rotary table slewing angle and a piece of engineering mechanical equipment. The device comprises: a drive gear engaged with a gear, under test, of a rotary table; a threaded rod in coaxial linkage with the drive gear; a follower plate with a direction-locking hole and a threaded hole through which the threaded rod penetrates the follower plate; and a direction-locking part which passes through the direction-locking hole; wherein the direction-locking hole fits the direction-locking part, the threaded hole fits the threaded rod, and the threaded hole drives the follower plate to move upward and downward when the threaded rod rotates. The device also comprises a support and an angle-related information detection part which is connected to the follower plate, wherein through holes are arranged in the upper and lower plates of the support to fasten the direction-locking part, and the threaded rod is installed on the upper and lower plates through positioning holes or bearings. The angle-related information detection part is used for sending angle-related information to a controller based on moved positions of the follower plate, so that the controller can determine slewing angles of the rotary table according to the angle-related information. The device provided by the utility model can widen the field of application of rotary table slewing angle measurement.
Description
Technical field
The utility model relates to engineering machinery field, in particular to a kind of rotation of rotary table angle detection device and engineering mechanical device.
Background technology
Pump truck etc. contain can turn round, the engineering equipment of multi-arm joint, the measurement of its jib rotation of rotary table angle has vital role to the assessment of equipment availability safety.Utilize scrambler or scrambler principle to carry out to the measurement of this angle of revolution more at present, usually adopt following two kinds of forms:
1, scrambler directly is installed, for example: the monoblock type scrambler is installed on turntable driven wheel (reductor) axle; Or by after gear (or belt) transmission, scrambler is installed in wherein on a certain rotation axis.
2, utilize the scrambler principle, the self-control sensor fixing structure is realized encoder functionality, detects the code-disc by the transmission of equipment slew gear, realizes that the angle of increment type detects.
Yet above-mentioned scrambler is strict to the restriction of working temperature, usually need to be at-20 ℃～70 ℃, and it is high-low temperature resistant not; And above-mentioned scrambler needs larger installing space usually, and it is had relatively high expectations to surrounding environment.
Higher to environmental requirement for the scrambler of measuring jib rotation of rotary table angle in the correlation technique, use limited problem, effective solution is not yet proposed at present.
The utility model content
The utility model aims to provide a kind of rotation of rotary table angle detection device and engineering mechanical device, the applied environment that detects to widen the rotation of rotary table angle.
To achieve these goals, according to an aspect of the present utility model, provide a kind of rotation of rotary table angle detection device, having comprised: with the driving cog of the tested gear engagement of turntable; Threaded rod with the driving cog coaxial linkage; Be threaded hole and lock to the movable head in hole, threaded rod passes movable head by threaded hole; Pass lock to the lock in hole to parts, lock is complementary to parts to Kong Yusuo, threaded hole and threaded rod coupling, and in order to when threaded rod rotates, the drive movable head moves up or down; Support, the upper and lower plate of support are provided with fixing lock to the through hole of parts, and threaded rod is installed on the upper and lower plate of support by pilot hole or bearing; The angle relation information detecting part that links to each other with movable head is used for sending angle relation information based on the shift position of movable head to controller, so that controller is determined the angle of revolution of turntable according to angle relation information.
Above-mentioned angle relation information detecting part comprises: the potentiometer resistance plate of support is fixed at two ends, is furnished with uniform resistance on the potentiometer resistance plate; One end is fixed in the contact flat spring on the movable head, and the other end of contact flat spring is pressed on the potentiometer resistance plate under elastic reaction; The two ends of potentiometer resistance plate are connected with respectively the first pot signal wire and the second pot signal wire, and contact flat spring is connected with the 3rd pot signal wire, make potentiometer resistance plate and contact flat spring consist of slip pot structure; The other end of the first pot signal wire, the second pot signal wire and the 3rd pot signal wire all is connected with controller.
Above-mentioned angle relation information detecting part comprises: by the magneto strictive sensor that location magnetic patch and sensor body consist of, the location magnetic patch is fixed on the movable head, and sensor body is fixed on the support, and the output terminal of magneto strictive sensor is connected in controller.
Above-mentioned support is the closed cassette structure.
Above-mentioned driving cog and movable head are arranged at homonymy or the heteropleural of support.
Above-mentioned lock is shaft-like or tabular to parts.
According to another aspect of the present utility model, a kind of engineering mechanical device is provided, comprise above-mentioned rotation of rotary table angle detection device; This project plant equipment also comprises: controller, be used for receiving the angle relation information that the rotation of rotary table angle detection device is exported, and determine the angle of revolution of turntable according to angle relation information.
Above-mentioned tested gear is one of following: turntable driving wheel, turntable idle pulley or turntable Bearing gear.
Above-mentioned engineering mechanical device is pump truck or material distributing machine.
Use the technical solution of the utility model, can send to controller the angle relation information of reflection movable head shift position by the angle relation information detecting part, and then make controller can determine according to this information the angle of revolution of turntable, the angle of revolution measurement that is about to circular motion converts the straight-line detection mode to, this mode is easy to realize, lower to environmental requirement, it is higher to environmental requirement to have alleviated the scrambler of measuring jib rotation of rotary table angle, use limited problem, widened the usable range of equipment.
Description of drawings
The Figure of description that consists of the application's a part is used to provide further understanding of the present utility model, and illustrative examples of the present utility model and explanation thereof are used for explaining the utility model, do not consist of improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 shows the structured flowchart of the rotation of rotary table angle detection device of the utility model embodiment;
Fig. 2 shows the first concrete structure block diagram of the rotation of rotary table angle detection device of the utility model embodiment;
Fig. 3 shows the second concrete structure block diagram of the rotation of rotary table angle detection device of the utility model embodiment; And
Fig. 4 shows the third concrete structure block diagram of the rotation of rotary table angle detection device of the utility model embodiment.
Embodiment
Need to prove that in the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.Describe below with reference to the accompanying drawings and in conjunction with the embodiments the utility model in detail.
Referring to the structured flowchart of rotation of rotary table angle detection device shown in Figure 1, this device comprises with lower member:
Driving cog 5 with tested gear 1 engagement of turntable;
Threaded rod 6 with driving cog 5 coaxial linkages;
Be threaded hole and lock to the movable head 2 in hole, threaded rod 6 passes movable head 2 by threaded hole;
Pass lock to the lock in hole to parts 3, lock 3 is complementary to Kong Yusuo to parts, threaded hole and threaded rod 6 couplings, and in order to when threaded rod 6 rotates, drive movable head 2 moves up or down;
The angle relation information detecting part 10 that links to each other with movable head 2 is used for sending angle relation information (such as voltage signal etc.) based on the shift position of movable head 2 to controller, so that controller is determined the angle of revolution of above-mentioned turntable according to this angle relation information.
Present embodiment can send to controller the angle relation information of reflection movable head 2 shift positions by angle relation information detecting part 10, and then make controller can determine according to this information the angle of revolution of turntable, the angle of revolution measurement that is about to circular motion converts the straight-line detection mode to, this mode is easy to realize, lower to environmental requirement, it is higher to environmental requirement to have alleviated the scrambler of measuring jib rotation of rotary table angle, uses limited problem, has widened the usable range of equipment.
Referring to the concrete structure block diagram of rotation of rotary table angle detection device shown in Figure 2, this installs on the basis of Fig. 1, and angle related information detection part 10 has been carried out refinement, and as shown in Figure 2, above-mentioned angle relation information detecting part 10 comprises with lower member:
The potentiometer resistance plate 7 of support 4 is fixed at two ends, is furnished with uniform resistance on the potentiometer resistance plate 7;
One end is fixed in the contact flat spring 8 on the movable head 2, and the other end of contact flat spring 8 is pressed on the potentiometer resistance plate 7 under elastic reaction;
The two ends of potentiometer resistance plate 7 are connected with respectively the first pot signal wire 9a and the second pot signal wire 9b, and contact flat spring 8 is connected with the 3rd pot signal wire 9c, make potentiometer resistance plate 7 and contact flat spring 8 consist of slip pot structure;
The other end of the first pot signal wire 9a, the second pot signal wire 9b and the 3rd pot signal wire 9c all is connected with controller.
Wherein, support 4 is used for movable head 2, lock is assembled into integral body to parts 3, driving cog 5, threaded rod 6, potentiometer resistance plate 7, and is used for being installed in the external stability surface; Driving cog 5 and tested gear 1(select turntable driving wheel or idle pulley usually, also can select turntable shaft to hold gear) engagement; Threaded rod 6 and driving cog 5 are coaxial linkage, and they are installed on the support 4 by pilot hole or little bearing; Need to prove that threaded rod 6 and driving cog 5 need not to place 4 homonymy.For above-mentioned parts are protected, usually can be with 4 forms that are designed to seal, for example, the miscellaneous part except driving cog 5 can place in the parts 4 of sealing, reaches protection effect;
In the present embodiment, threaded rod 6 and driving cog 5 do not possess freedom of motion in the axial direction;
Above-mentioned contact flat spring 8 is fixed on the movable head 2, and is connected with the signal wire of pot outlet, i.e. above-mentioned the 3rd pot signal wire 9c; Its elastic construction guarantees that contact point is pressed on the potentiometer resistance plate 7 reliably;
Be evenly arranged resistance on the potentiometer resistance plate 7, potentiometer resistance plate 7, contact flat spring 8, the first pot signal wire 9a, the second pot signal wire 9b and the 3rd pot signal wire 9c consist of the structure of " slip pot " together; During work, (stablizing) DC voltage is supplied with in the outlet at potentiometer resistance plate 7 two ends (i.e. the first pot signal wire 9a, the second pot signal wire 9b), then by the 3rd pot signal wire 9c, utilize voltage divider principle can detect the position of movable head 2, and then the angle of revolution of the tested gear 1 of corresponding turntable, finish angle and detect.
Driving cog 5 in the device shown in Figure 2 is positioned at the inboard of support 4; the third concrete structure block diagram referring to platform angle of revolution pick-up unit shown in Figure 3; be with device difference shown in Figure 2; driving cog 5 is positioned at the outside of support 4; this mode is conducive to large support is made the form of sealing to protect inner senser element; certainly driving cog 5 also not necessarily must place the downside of support 4, also can place on the top of support 4, and the position of driving cog 5 can be selected according to installation environment.
The pitch of threaded rod 6 and external diameter can design according to the needs of accuracy of detection and range; Be the degree of precision of effectively utilizing dimensional structure to bring, can make pitch under limited revolution action, movable head 2 can be moved in large as far as possible scope.
Preferably, potentiometer resistance plate 7, contact flat spring 8, the first pot signal wire 9a, the second pot signal wire 9b and the 3rd pot signal wire 9c can be designed to replaceable form, with extension device serviceable life; For example, they are changed to installation form (being detachable form), this mode is easy to realize technically.
Aforesaid way is converted to rectilinear motion with the measurement of angle of revolution and detects, and has expanded the space that sensor is selected, and is conducive to the structural design (realize encapsulation, be convenient to assembling) of pick-up unit; The design of electric resistance partial pressure type detection architecture, the detection demand of very convenient various range of signals (and the signal of scrambler is the square-wave signal of fixed level usually); In addition, the angle value corresponding to angle relation information of said apparatus output is the absolute value type, and namely this angle relation information has only reflected current angle of revolution, do not need to add up with angle of revolution before, therefore do not have cumulative errors; The operating temperature range of above-mentioned electric resistance partial pressure type detection mode is wide to reach-60 ℃～150 ℃, can adapt to the working environment of very severe; Under different temperatures, all has good reliability; Simultaneously, the said apparatus price is lower, and installation and maintenance is simple.
Present embodiment also provides a kind of rotation of rotary table angle detection device, referring to the third concrete structure block diagram of rotation of rotary table angle detection device shown in Figure 4, this device is on the basis of Fig. 1, angle related information detection part 10 has been carried out the refinement of another kind of implementation, as shown in Figure 4, this angle relation information detecting part 10 comprises with lower member: the magneto strictive sensor that is made of location magnetic patch 21 and sensor body 22, location magnetic patch 21 is fixed on the movable head 2, sensor body 22 is fixed on the support 4, and the output terminal of this magneto strictive sensor is connected in controller.
Adopt the form of linear potentiometers can obtain comparatively ideal detection effect, and, made straight line into owing to detect the sensing form, just can adopt more the straight-line detection sensor of horn of plenty to realize above-mentioned functions, adopt magneto strictive sensor (being commonly called as magnetic scale) such as Fig. 3, can obtain more accurately reliably data.
Because magneto strictive sensor has extraordinary environmental suitability, can be used for than rugged environment, also more satisfactory to the adaptability of temperature such as high-intensity vibration, greasy dirt, its working temperature is generally at-40～85 ℃.The signal linearity and the resolution of its output are all fine, and resolution can fully satisfy the requirement that present pumping equipment angle of revolution is measured up to ± 0.002%F.S..
The same with above-mentioned mode, the support 4 of present embodiment also can be designed as the closed cassette structure, and driving cog 5 and movable head 2 can be arranged at homonymy or the heteropleural of support 4.
Above-mentioned lock to parts 3 be shaft-like or tabular all can, wherein, the lock in Fig. 1 to 3 shown device is shaft-like to parts 3, the lock in the device shown in Figure 4 is tabular to parts 3.
Corresponding to said apparatus, present embodiment also provides a kind of engineering mechanical device, and this equipment comprises above-mentioned rotation of rotary table angle detection device; This project plant equipment also comprises: controller, be used for receiving the angle relation information that the rotation of rotary table angle detection device is exported, and determine the angle of revolution of turntable according to this angle relation information.
Above-mentioned tested gear 1 can be for one of following: turntable driving wheel, turntable idle pulley or turntable Bearing gear.
Engineering mechanical device in the present embodiment can be the equipment such as pump truck or material distributing machine.
As can be seen from the above description, the utility model embodiment adopts threaded rod to convert the angle of revolution measurement of circular motion to the straight-line detection mode, can be according to mounting condition and accuracy of detection requirement, adjust at structural parameters, above-mentioned implementation has been widened the environmental problem of engineering mechanical device work, and realize that simply cost of equipment maintenance is lower.
The above is preferred embodiment of the present utility model only, is not limited to the utility model, and for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (9)
1. a rotation of rotary table angle detection device is characterized in that, comprising:
Driving cog (5) with the engagement of the tested gear (1) of turntable;
Threaded rod (6) with described driving cog (5) coaxial linkage;
Be threaded hole and lock to the movable head (2) in hole, described threaded rod (6) passes described movable head (2) by described threaded hole;
Pass described lock to the lock in hole to parts (3), described lock is complementary to parts (3) to hole and described lock, described threaded hole and described threaded rod (6) coupling in order to when described threaded rod (6) rotates, drive described movable head (2) and move up or down;
Support (4), the upper and lower plate of described support (4) are provided with fixing described lock to the through hole of parts (3), and described threaded rod (6) is installed on the upper and lower plate of described support (4) by pilot hole or bearing;
The angle relation information detecting part (10) that links to each other with described movable head (2), be used for sending angle relation information based on the shift position of described movable head (2) to controller, so that described controller is determined the angle of revolution of described turntable according to described angle relation information.
2. device according to claim 1 is characterized in that, described angle relation information detecting part (10) comprising:
The potentiometer resistance plate (7) of described support (4) is fixed at two ends, is furnished with uniform resistance on the described potentiometer resistance plate (7);
One end is fixed in the contact flat spring (8) on the described movable head (2), and the other end of described contact flat spring (8) is pressed under elastic reaction on the described potentiometer resistance plate (7);
The two ends of described potentiometer resistance plate (7) are connected with respectively the first pot signal wire (9a) and the second pot signal wire (9b), described contact flat spring (8) is connected with the 3rd pot signal wire (9c), makes described potentiometer resistance plate (7) and described contact flat spring (8) consist of slip pot structure;
Described the first pot signal wire (9a), described the second pot signal wire (9b) and the other end of the 3rd pot signal wire (9c) of being connected all are connected with described controller.
3. device according to claim 1 is characterized in that, described angle relation information detecting part (10) comprising:
Magneto strictive sensor by location magnetic patch (21) and sensor body (22) formation, described location magnetic patch (21) is fixed on the described movable head (2), described sensor body (22) is fixed on the described support (4), and the output terminal of magneto strictive sensor is connected in described controller.
4. device according to claim 1 is characterized in that, described support (4) is the closed cassette structure.
5. device according to claim 1 is characterized in that, described driving cog (5) and described movable head (2) are arranged at homonymy or the heteropleural of described support (4).
6. device according to claim 1 is characterized in that, described lock is shaft-like or tabular to parts (3).
7. an engineering mechanical device is characterized in that, comprises the described rotation of rotary table angle detection device of any one in the claim 1 to 6; Described engineering mechanical device also comprises:
Controller is used for receiving the angle relation information that described rotation of rotary table angle detection device is exported, and determines the angle of revolution of described turntable according to described angle relation information.
8. engineering mechanical device according to claim 7 is characterized in that, described tested gear (1) is one of following: turntable driving wheel, turntable idle pulley or turntable Bearing gear.
9. according to claim 7 or 8 described engineering mechanical devices, it is characterized in that described engineering mechanical device is pump truck or material distributing machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320264839 CN203241023U (en) | 2013-05-15 | 2013-05-15 | Device for measuring rotary table slewing angle and engineering mechanical equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320264839 CN203241023U (en) | 2013-05-15 | 2013-05-15 | Device for measuring rotary table slewing angle and engineering mechanical equipment |
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| Publication Number | Publication Date |
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| CN203241023U true CN203241023U (en) | 2013-10-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201320264839 Expired - Lifetime CN203241023U (en) | 2013-05-15 | 2013-05-15 | Device for measuring rotary table slewing angle and engineering mechanical equipment |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104567655A (en) * | 2015-01-19 | 2015-04-29 | 大连理工大学 | Dynamic angular displacement measuring device and method |
| CN105486221A (en) * | 2015-12-21 | 2016-04-13 | 河北汉光重工有限责任公司 | High-precision power-off memory angle feedback apparatus |
| CN107063074A (en) * | 2017-04-14 | 2017-08-18 | 上海海事大学 | A kind of two-electron atom bridge crane panning angle measuring devices and methods therefor based on magnetostrictive effect |
| CN108662970A (en) * | 2018-04-26 | 2018-10-16 | 中国科学院光电技术研究所 | A kind of more than 360 ° limit detection methods of no conducting slip ring turntable |
-
2013
- 2013-05-15 CN CN 201320264839 patent/CN203241023U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104567655A (en) * | 2015-01-19 | 2015-04-29 | 大连理工大学 | Dynamic angular displacement measuring device and method |
| CN104567655B (en) * | 2015-01-19 | 2017-05-17 | 大连理工大学 | Dynamic angular displacement measuring device and method |
| CN105486221A (en) * | 2015-12-21 | 2016-04-13 | 河北汉光重工有限责任公司 | High-precision power-off memory angle feedback apparatus |
| CN107063074A (en) * | 2017-04-14 | 2017-08-18 | 上海海事大学 | A kind of two-electron atom bridge crane panning angle measuring devices and methods therefor based on magnetostrictive effect |
| CN108662970A (en) * | 2018-04-26 | 2018-10-16 | 中国科学院光电技术研究所 | A kind of more than 360 ° limit detection methods of no conducting slip ring turntable |
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| GR01 | Patent grant | ||
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Granted publication date: 20131016 |