CN203624858U - Swing angle measuring device and hoisting machine - Google Patents
Swing angle measuring device and hoisting machine Download PDFInfo
- Publication number
- CN203624858U CN203624858U CN201320775091.7U CN201320775091U CN203624858U CN 203624858 U CN203624858 U CN 203624858U CN 201320775091 U CN201320775091 U CN 201320775091U CN 203624858 U CN203624858 U CN 203624858U
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- rotating shaft
- measurement device
- deflection angle
- angle measurement
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Abstract
The utility model discloses a swing angle measuring device and a hoisting machine. The swing angle measuring device is used for measuring a swing angle of a pendant cord for hanging a weight, and comprises a support, a first rotating shaft, a second rotating shaft, a following bracket, a first detector for detecting the rotating angle of the first rotating shaft and a second detector for detecting the rotating angle of the second rotating shaft, wherein the first rotating shaft is rotatably mounted on the support, the second rotating shaft is relatively rotatably arranged on the first rotating shaft, the rotating axle of the first rotating shaft is vertical to the rotating axle of the second rotating shaft, one end of the following bracket is connected with the second rotating shaft, and the other end of the following bracket is connected with the pendant cord. The following bracket connected with the pendant cord is connected with the second rotating shaft arranged on the first rotating shaft, and the swing angel of the pendant cord can be obtained by detecting the rotating angles of vertical the first rotating shaft and the second rotating shaft and performing relative computation; therefore, the swing angle measuring device is simple in structure and convenient to mount.
Description
Technical field
The utility model relates to engineering machinery field, particularly, relates to a kind of deflection angle measurement device and a kind of elevator machinery that this deflection angle measurement device is installed.
Background technology
Offshore Platform elevator machinery or port crane are in hoisting process, due to reasons such as wind wave action, jib revolution and pitching, lift heavy will occur significantly to wave, in the time that amplitude of fluctuation is larger, be unfavorable for fast and stable and complete lifting task, affect work efficiency.Therefore the pivot angle of lift heavy is carried out to real-time measurement and just seem and be necessary very much, understand on the one hand the general motion rule of lift heavy pivot angle, lay the foundation for controlling in real time waving of lift heavy on the other hand.
In prior art, a kind of structure of measuring lift heavy pivot angle is to place two groups of orthogonal high-rate laser scanners on lifting rope top, and the laser that laser transimitter sends forms two groups of light belts, and the pivot angle region of lift heavy has been contained in light belt district.When lifting rope is during in a certain position, receptor is the laser that does not receive this position and launch, thereby obtains two orthogonal position signals.Laser scanner also can replace with CCD camera, and correspondingly receptor replaces with one flat plate.But in the method for this optics or vision measurement, hardware cost is higher, structure and installation relative complex.
Measure in the structure of lift heavy pivot angle at another kind, at lifting rope apical position, a sleeve that inwall is wear-resisting is installed, this jacket casing can swing with hoist rope on hoist rope, and on sleeve, is provided with the sensor of measuring two orthogonal angles in horizontal surface, can measure the pivot angle of lift heavy.But this sleeve adds the method installation and maintenance inconvenience of angular transducer, and there are wearing and tearing to steel rope in sleeve.
Utility model content
The purpose of this utility model is to provide a kind of deflection angle measurement device, and this deflection angle measurement apparatus structure is simple, easy for installation, take up room little and flexible movements are reliable.
To achieve these goals, the utility model provides a kind of deflection angle measurement device, be used for the pendulum angle of the lifting rope of measuring suspension heavy weight, wherein, described deflection angle measurement device comprises bearing, the first rotating shaft, the second rotating shaft, servo support, for detection of the first detector of the anglec of rotation of described the first rotating shaft and for detection of the second detector of the anglec of rotation of described the second rotating shaft, described the first rotating shaft is rotatably installed on described bearing, described the second rotating shaft can be arranged in described the first rotating shaft with the relative rotation, and the rotation axis of described the first rotating shaft is vertical or substantially vertical with the rotation axis of described the second rotating shaft, one end of described servo support is connected in described the second rotating shaft, the other end of described servo support is connected with described lifting rope.
Preferably, described deflection angle measurement device also comprises rotating shaft link span, and this rotating shaft link span is fixedly connected with described the first rotating shaft, and described the second rotating shaft is installed in rotation on described rotating shaft link span.
Preferably, described rotating shaft link span comprises the installing sleeve and the hold-down arm that are parallel to each other, the two ends of described installing sleeve and described hold-down arm are connected by connecting arm respectively, described installing sleeve is fixedly connected with described the first rotating shaft, and the two ends of described the second rotating shaft are connected rotationally with described installing sleeve and described hold-down arm respectively.
Preferably, described the first detector is the coder being arranged in described the first rotating shaft, and/or described the second detector is the coder being arranged in described the second rotating shaft.
Preferably, described servo support comprises the first support body and the second support body that form L-type, the upper end of described the first support body is fixedly connected with described the second rotating shaft, and the lower end of described the first support body is fixedly connected with one end of described the second support body, and the other end of described the second support body is connected with described lifting rope.
Preferably, described deflection angle measurement device comprises clasp, and this clasp is connected to the other end of described the second support body, and is provided with the through hole passing for described lifting rope on described clasp.
Preferably, described deflection angle measurement device also comprises clasp erecting frame, and this clasp erecting frame is hinged or be fixed on the other end of described the second support body, and described clasp is hinged or be fixed on described clasp erecting frame.
Preferably, described clasp erecting frame comprises the 3rd arm that forms U-shaped the first arm and the second arm and be connected described the first arm and described the second arm, and described the first arm is parallel with described the second arm, and described clasp is hinged on described the first arm and described the second arm.
Preferably, described clasp comprises the first halfbody and the second halfbody, on described the first halfbody, be formed with the first boss and the first lug, on described the second halfbody, be formed with the second boss and the second lug, described the first boss and described the second boss are hinged or be fixed on the other end of described the second support body respectively, and described the first lug corresponding to position is removably connected with described the second lug.
Another object of the present utility model is to provide a kind of elevator machinery, and this elevator machinery can detect the pivot angle of the lifting rope of hoisting heavy easily.
In order to realize above-mentioned another object, the utility model provides a kind of elevator machinery, this elevator machinery comprises elevator boom rack and is arranged on the lifting rope for suspension heavy weight on this elevator boom rack, and on described elevator boom rack, is provided with according to above-mentioned deflection angle measurement device of the present utility model.
Deflection angle measurement device of the present utility model will be connected to the second rotating shaft that is arranged at the first rotating shaft for the servo support being connected with lifting rope, calculate by the anglec of rotation of the first rotating shaft that detection of vertical is arranged respectively of the first detector and the second detector and the second rotating shaft line correlation of going forward side by side the pivot angle that obtains lifting rope, parts are few has a feature simple in structure because relating to make deflection angle measurement device, and because the setting of servo support can at random be installed, thereby there is the advantages such as easy for installation.
Other feature and advantage of the present utility model are described in detail the specific embodiment part subsequently.
Accompanying drawing explanation
Accompanying drawing is to be used to provide further understanding of the present utility model, and forms a part for specification sheets, is used from explanation the utility model, but does not form restriction of the present utility model with the specific embodiment one below.In the accompanying drawings:
Fig. 1 is the structural representation that shows the embodiment of deflection angle measurement device of the present utility model;
Fig. 2 is the enlarged diagram of the topside of deflection angle measurement device in Fig. 1;
Fig. 3 is the enlarged diagram of the bottom section of deflection angle measurement device in Fig. 1.
Description of reference numerals
1 bearing 2 first rotating shaft 3 second rotating shafts
4 servo support 5 first detector 6 second detectors
7 rotating shaft link span 8 clasp 9 clasp erecting frames
10 lifting rope 11 elevator boom rack 41 first support bodys
42 second support body 71 installing sleeve 72 hold-down arms
73 connecting arm 80 through hole 81 first halfbodies
82 second halfbody 91 first arm 92 second arms
93 the 3rd arm 81a first boss 81b the first lugs
82a second boss 82b the second lug
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is elaborated.Should be understood that, the specific embodiment described herein only, for description and interpretation the utility model, is not limited to the utility model.
In the utility model, in the situation that not doing contrary explanation, the noun of locality of use typically refers to the upper and lower, left and right in accompanying drawing as " upper and lower, left and right ".
Referring to Fig. 1 to Fig. 3, the utility model relates to a kind of deflection angle measurement device, for measuring the pendulum angle of lifting rope of suspension heavy weight, according to the pendulum angle of measuring, lifting rope is controlled, realizes stably lifting operation.In the utility model, deflection angle measurement device mainly comprises bearing 1, the first rotating shaft 2, the second rotating shaft 3, servo support 4, for detection of the first detector 5 of the anglec of rotation of the first rotating shaft 2 and for detection of the second detector 6 of the anglec of rotation of the second rotating shaft 3.Particularly, the first rotating shaft 2 is rotatably on erection support 1, and the second rotating shaft 3 can be arranged in the first rotating shaft with the relative rotation, makes the rotation axis of the first rotating shaft 2 vertical with the rotation axis of the second rotating shaft 3.And one end of servo support 4 is connected in the second rotating shaft 3, and the other end of servo support 4 is connected with lifting rope.It should be noted that, " vertically " herein refers to ideally vertical, in the case of may exist cannot overcome (for example installation error of the first rotating shaft 2 and the second rotating shaft 3 etc.), the rotation axis of the first rotating shaft 2 can not be completely vertical with the rotation axis of the second rotating shaft 3, and now both are for substantially vertical.
According to said structure, because the second rotating shaft 3 is arranged in the first rotating shaft 2, and the rotation axis of two rotating shafts is vertical, the servo support 4 being connected with lifting rope 10 is connected to the second rotating shaft 3 simultaneously, thereby in the lifting process of lifting rope, the servo support 4 swinging with lifting rope 10 will drive orthogonal the first rotating shaft 2 and the second rotating shaft 3 to rotate when its locus changes, like this, as long as measure respectively the pivot angle that just can draw again lifting rope 10 after the anglec of rotation of the first rotation 2 and the second rotating shaft 3 by correlation computations.Wherein, the first detector 5 and the second detector 6 can be various sensors well-known to those skilled in the art, in the utility model, be preferably coder, and using coder when detecting the detector of the anglec of rotation, preferably the first detector 5 is arranged in the first rotating shaft 2, and, the second detector 6 is arranged in the second rotating shaft 3.Structure and principle of work about coder are all well-known to those skilled in the art, repeat no more herein.
Said structure and measurement process by deflection angle measurement device can be found out, that its deflection angle measurement device has because the parts that relate to are few is simple in structure, feature little, low cost of manufacture takes up room, and due to the setting of servo support, make it can be arranged on multiple positions, obtaining deflection angle measurement device, also to have easy for installation, flexible movements reliable and can be adapted to the advantages such as various weather conditions.
In the utility model, bearing 1 is for the first rotating shaft 2 is rotatably installed, and is the main load bearing component of whole deflection angle measurement device, and it can have the various structures that are suitable for rotatable installation the first rotating shaft 2.In the specific embodiment shown in Fig. 1 and Fig. 2, bearing 1 roughly comprises two support plates for fixing base plate being installed and being extended to form from base plate, and the two ends of the first rotating shaft 2 can be arranged on respectively on corresponding support plate.For realizing the rotation of the first rotating shaft 2, the first rotating shaft 2 can be arranged in the axis hole of support plate by the parts such as axle sleeve, bearing.
The rotatable mounting structure of the second rotating shaft 3 can be accomplished in several ways.For example, in some embodiments, the first rotating shaft 2 can be radially passed in the second rotating shaft 3, between the first rotating shaft 2 and the second rotating shaft 3, axle sleeve or bearing etc. are set simultaneously, the second rotating shaft 3 is arranged on after the second rotating shaft 2, can either rotate and can be with the first rotating shaft 2 rotation with respect to the first rotating shaft 2, and because the second rotating shaft 3 is radially through the first rotating shaft 2, thereby realize direction that the second rotating shaft 3 rotates with respect to the first rotating shaft 2 hand of rotation perpendicular to the first rotating shaft 2.Certainly,, in another kind of embodiment, also can make the first rotating shaft 2 radially realize both mounting structures with the relative rotation through the second rotating shaft 3.
Referring to Fig. 2, in the specific embodiment of the present utility model, deflection angle measurement device includes rotating shaft link span 7, and this rotating shaft link span 7 is fixedly connected with the first rotating shaft 2, and the second rotating shaft 3 is installed in rotation on rotating shaft link span 7.In other words,, in this specific embodiment, the second rotating shaft 3 is arranged in the first rotating shaft 2 by rotating shaft link span 7.The use of rotating shaft link span 7, can make between the first rotating shaft 2 and the second rotating shaft 3 be connected more stable, and in the time that rotating, the first rotating shaft 2 or the second rotating shaft 3 can not interfere between two rotating shafts, make the rotation of the first rotating shaft 2 and the second rotating shaft 3 more flexible, this will be conducive to the first detector 5 and rotation angle value is more accurately measured in the second detection 6.
Wherein, the structure of rotating shaft link span 7 can be also various ways.In preferred implementation as shown in Figure 2, rotating shaft link span 7 can comprise the installing sleeve 71 and the hold-down arm 72 that are parallel to each other, the two ends of installing sleeve 71 and hold-down arm 72 are connected by connecting arm 73 respectively, installing sleeve 71 is fixedly connected with the first rotating shaft 2, more specifically, installing sleeve 71 is sleeved in the first rotating shaft 2 regularly, the two ends of the second rotating shaft 3 are connected rotationally with installing sleeve 71 and hold-down arm 72 respectively, and for example two ends of the second rotating shaft 3 are hinged on respectively on installing sleeve 71 and hold-down arm 72.Can find out, installing sleeve 71 is sleeved in the first rotating shaft 2 regularly, will make rotating shaft link span 7 and the first rotating shaft 2 synchronous rotaries, and the second rotating shaft 3 and the first rotating shaft 2 that have guaranteed to be thus arranged on rotating shaft link span 7 keep synchronous rotary.In addition, the two ends of the second rotating shaft 3 are hinged on installing sleeve 71 and hold-down arm 72, under the actionless situation of rotating shaft link span 7, the second rotating shaft 3 can also be rotated with respect to rotating shaft link span 7, and then can be with respect to rotating separately with fixing the first rotating shaft 2 of rotating shaft link span 7.Therefore,, by setting up rotating shaft link span 7, can obtain between the first rotating shaft 2 and the second rotating shaft 3 stable and rotate connection structure flexibly.
The servo support 4 of deflection angle measurement device can have various shape according to the installation site of actual deflection angle measurement device, in order to connect the second rotating shaft 3 and lifting rope 10.Referring to Fig. 1, servo support 4 can comprise the first support body 41 and the second support body 42 that form L-type.In the position shown in the figure 1, the first support body 41 vertically extends, the second support body 42 along continuous straight runs extend, but under actual installation, the first support body 41 and the second support body 42 are not limited to above-mentioned bearing of trend, i.e. initial position after servo support 4 installations can be the first support body 41 with lifting rope 10 in nonparallel situation.Further, the upper end of the first support body 41 is fixedly connected with the second rotating shaft 3, and the lower end of the first support body 41 is fixedly connected with one end of the second support body 42, and the other end of the second support body 42 is connected with lifting rope.Although in the embodiment shown in Fig. 1, the first support body 41 and the second support body 42 are all formed as shaft-like, are not limited to shaft-likely, and the length of the length of the first support body 41 and the second support body 42 can be determined according to actual installation position etc.Be appreciated that lifting rope 10 is in direction straight down, more obvious apart from the position pivot angle that pivot angle summit is long, the shift value of measuring is like this more accurate.Therefore, preferably, the first support body 41 length is vertically greater than the length of the second support body 42 along continuous straight runs.In addition, the first support body 41 and the second support body 42 can be integrally formed, and also can wait other modes manufacture or be assembled by welding.Will also be appreciated that due to the setting up of servo support 4, deflection angle measurement device can be installed on various positions, and be not limited to be arranged under lifting rope 10 can pass, make deflection angle measurement device easier for installation.
In the utility model, lifting rope 10 can be connected with servo support 4 by variety of way, for example lifting rope 10 can pass the hole on the second support body 42 that is formed directly into servo support 4, or, referring to Fig. 3, deflection angle measurement device includes clasp 8, and lifting rope 10 can be connected with servo support 4 by the clasp 8 being arranged on the second support body 42, particularly, on clasp 8, be provided with the through hole 80 passing for lifting rope.Preferably, described clasp 8 comprises the first halfbody 81 and the second halfbody 82, the first halfbody 81 and the second halfbody 82 are formed as respectively hemisphere, but be not limited to hemisphere, on each hemisphere, be formed with semi-circular recess, by the first halfbody 81 and the second halfbody 82 are removably linked together and just can surround above-mentioned through hole 80, so that lifting rope 10 can and be connected with servo support 4 through this through hole 80.Due to the demountable structure of clasp 8, deflection angle measurement device can be connected with lifting rope 10 at any time, and needn't before lifting rope hangs weight, make lifting rope 10 through through hole 80.This structure of clasp 8 has obviously increased the measurement convenience of deflection angle measurement device.Wherein, clasp 8 can directly be fixed on the other end of the second support body 42, also can preferably be hinged on the second ladder 42, in case clamping ring 8 produces interference to the swing of lifting rope 10, and causes thus measured error.As long as can make clasp 8 keep consistent with the pivot angle of lifting rope 10, thereby reduce the wearing and tearing to lifting rope 10.
As shown in Figure 3, preferred embodiment in, deflection angle measurement device comprises the clasp 8 and the clasp erecting frame 9 that pass for lifting rope.Be that clasp 8 is preferably installed by clasp erecting frame 9, to increase the stability after convenience that clasp 8 installs and clasp 8 are installed.Similarly, clasp erecting frame 9 can be fixed on the other end of the second support body 42, and for preventing that the swing of lifting rope 10 is produced and interfered, clasp erecting frame 9 also can be hinged on the other end of the second support body 42.Further, clasp 8 can be hinged or be fixed on clasp erecting frame 9, is provided with the through hole 80 passing for lifting rope on clasp 8.
Preferably, described clasp erecting frame 9 can comprise and form U-shaped the first arm 91 with the second arm 92 and be connected the first arm 91 and the 3rd arm 93 of the second arm 92, and wherein, the first arm 91 is parallel with the second arm 92, and clasp 8 is hinged on the first arm 91 and the second arm 92.Particularly, the first halfbody 81 of clasp 8 is hinged on the first arm 91, and the second halfbody 82 is hinged on the second arm 91.More specifically, on the first halfbody 81 of clasp 8, be formed with the first boss 81a and the first lug 81b, meanwhile, on the second halfbody 82 of clasp 8, be formed with the second boss 82a and the second lug 82b.Wherein, the first boss 81a and the second boss 82a can be separately fixed on the first arm 91 and the second arm 92, preferably the first boss 81a is by being sleeved on adapter shaft and hinged upper with the first arm 91, and in like manner, the second boss 82a is by being sleeved on adapter shaft and hinged with the second arm.The first lug 81b corresponding for position can be realized removably and being connected by modes such as fastener are connected with described the second lug 82b.Be appreciated that above-mentioned clasp erecting frame 9 is not limited to above-mentioned U-shaped structure, those skilled in the art can carry out various structures distortion to it.
Based on above-described deflection angle measurement device, the utility model can also relate to a kind of elevator machinery, this elevator machinery comprises elevator boom rack 11 and is arranged on the lifting rope 10 for suspension heavy weight on this elevator boom rack 11, wherein, the pivot angle of lifting rope 10 is measured by above-mentioned deflection angle measurement device, this deflection angle measurement device is arranged on elevator boom rack 11, and more specifically, the base plate of the bearing 1 of deflection angle measurement device is arranged on the side of elevator boom rack 11 by fastener etc.It should be noted that, in the utility model, should be electrically connected with controller as the coder of the first detector 5 and the second detector 6, so that the anglec of rotation of measuring is sent in controller and is calculated, finally to calculate the pivot angle of lifting rope 10, and carry out relevant control according to pivot angle size.Wherein, controller can be known in those skilled in the art, is not described in detail herein.
Below describe by reference to the accompanying drawings preferred implementation of the present utility model in detail; but; the utility model is not limited to the detail in above-mentioned embodiment; within the scope of technical conceive of the present utility model; can carry out multiple simple variant to the technical solution of the utility model, these simple variant all belong to protection domain of the present utility model.
It should be noted that in addition, each concrete technical characterictic described in the above-mentioned specific embodiment, in reconcilable situation, can combine by any suitable mode, for fear of unnecessary repetition, the utility model is to the explanation no longer separately of various possible array modes.
In addition, also can carry out combination in any between various embodiment of the present utility model, as long as it is without prejudice to thought of the present utility model, it should be considered as content disclosed in the utility model equally.
Claims (10)
1. a deflection angle measurement device, be used for the pendulum angle of the lifting rope of measuring suspension heavy weight, it is characterized in that, described deflection angle measurement device comprises bearing (1), the first rotating shaft (2), the second rotating shaft (3), servo support (4), for detection of first detector (5) of the anglec of rotation of described the first rotating shaft (2) and for detection of second detector (6) of the anglec of rotation of described the second rotating shaft (3), described the first rotating shaft (2) is rotatably installed on described bearing (1), described the second rotating shaft (3) can be arranged in described the first rotating shaft (2) with the relative rotation, and the rotation axis of described the first rotating shaft (2) is vertical with the rotation axis of described the second rotating shaft (3), one end of described servo support (4) is connected in described the second rotating shaft (3), the other end of described servo support (4) is connected with described lifting rope.
2. deflection angle measurement device according to claim 1, it is characterized in that, described deflection angle measurement device also comprises rotating shaft link span (7), this rotating shaft link span (7) is fixedly connected with described the first rotating shaft (2), and described the second rotating shaft (3) is installed in rotation on described rotating shaft link span (7).
3. deflection angle measurement device according to claim 2, it is characterized in that, described rotating shaft link span (7) comprises the installing sleeve (71) and the hold-down arm (72) that are parallel to each other, the two ends of described installing sleeve (71) and described hold-down arm (72) are connected by connecting arm (73) respectively, described installing sleeve (71) is fixedly connected with described the first rotating shaft (2), and the two ends of described the second rotating shaft (3) are connected rotationally with described installing sleeve (71) and described hold-down arm (72) respectively.
4. according to the deflection angle measurement device described in any one in claims 1 to 3, it is characterized in that, described the first detector (5) is for being arranged on the coder in described the first rotating shaft (2), and/or described the second detector (6) is for being arranged on the coder in described the second rotating shaft (3).
5. deflection angle measurement device according to claim 1, it is characterized in that, described servo support (4) comprises the first support body (41) and the second support body (42) that form L-type, the upper end of described the first support body (41) is fixedly connected with described the second rotating shaft (3), the lower end of described the first support body (41) is fixedly connected with one end of described the second support body (42), and the other end of described the second support body (42) is connected with described lifting rope.
6. deflection angle measurement device according to claim 5, it is characterized in that, described deflection angle measurement device comprises clasp (8), and this clasp (8) is connected to the other end of described the second support body (42), and on described clasp (8), is provided with the through hole (80) passing for described lifting rope.
7. deflection angle measurement device according to claim 6, it is characterized in that, described deflection angle measurement device also comprises clasp erecting frame (9), this clasp erecting frame (9) is hinged or be fixed on the other end of described the second support body (42), and described clasp (8) is hinged or be fixed on described clasp erecting frame (9).
8. deflection angle measurement device according to claim 7, it is characterized in that, described clasp erecting frame (9) comprises U-shaped the first arm (91) of formation with the second arm (92) and is connected described the first arm (91) and the 3rd arm (93) of described the second arm (92), described the first arm (91) is parallel with described the second arm (92), and described clasp (8) is hinged on described the first arm (91) and described the second arm (92).
9. according to the deflection angle measurement device described in any one in claim 6 to 8, it is characterized in that, described clasp (8) comprises the first halfbody (81) and the second halfbody (82), on described the first halfbody (81), be formed with the first boss (81a) and the first lug (81b), on described the second halfbody (82), be formed with the second boss (82a) and the second lug (82b), described the first boss (81a) and described the second boss (82a) are hinged or be fixed on the other end of described the second support body (42) respectively, described the first lug (81b) corresponding to position is removably connected with described the second lug (82b).
10. an elevator machinery, this elevator machinery comprises elevator boom rack (11) and is arranged on the upper lifting rope (10) for suspension heavy weight of this elevator boom rack (11), it is characterized in that, on described elevator boom rack (11), be provided with according to the deflection angle measurement device described in any one in claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320775091.7U CN203624858U (en) | 2013-11-28 | 2013-11-28 | Swing angle measuring device and hoisting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320775091.7U CN203624858U (en) | 2013-11-28 | 2013-11-28 | Swing angle measuring device and hoisting machine |
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| Publication Number | Publication Date |
|---|---|
| CN203624858U true CN203624858U (en) | 2014-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320775091.7U Expired - Fee Related CN203624858U (en) | 2013-11-28 | 2013-11-28 | Swing angle measuring device and hoisting machine |
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| CN (1) | CN203624858U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103588095A (en) * | 2013-11-28 | 2014-02-19 | 中联重科股份有限公司 | Swing angle measurement apparatus and hoisting machine |
| CN104477775A (en) * | 2014-10-09 | 2015-04-01 | 核工业西南物理研究院 | A telescopic lifting hook drift angle detection device |
| CN105110194A (en) * | 2015-09-01 | 2015-12-02 | 田顺天 | Servo operating device for crane |
-
2013
- 2013-11-28 CN CN201320775091.7U patent/CN203624858U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103588095A (en) * | 2013-11-28 | 2014-02-19 | 中联重科股份有限公司 | Swing angle measurement apparatus and hoisting machine |
| CN104477775A (en) * | 2014-10-09 | 2015-04-01 | 核工业西南物理研究院 | A telescopic lifting hook drift angle detection device |
| CN105110194A (en) * | 2015-09-01 | 2015-12-02 | 田顺天 | Servo operating device for crane |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140604 Termination date: 20151128 |