CN202393371U - Angle sensing assembly and vehicle with same - Google Patents

Angle sensing assembly and vehicle with same Download PDF

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Publication number
CN202393371U
CN202393371U CN2011205741793U CN201120574179U CN202393371U CN 202393371 U CN202393371 U CN 202393371U CN 2011205741793 U CN2011205741793 U CN 2011205741793U CN 201120574179 U CN201120574179 U CN 201120574179U CN 202393371 U CN202393371 U CN 202393371U
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CN
China
Prior art keywords
bearing pin
sensor assembly
angle sensor
pin
fixed
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN2011205741793U
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Chinese (zh)
Inventor
刘波
周轶群
覃信
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zoomlion Heavy Industry Science and Technology Co Ltd
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Zoomlion Heavy Industry Science and Technology Co Ltd
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Filing date
Publication date
Application filed by Zoomlion Heavy Industry Science and Technology Co Ltd filed Critical Zoomlion Heavy Industry Science and Technology Co Ltd
Priority to CN2011205741793U priority Critical patent/CN202393371U/en
Application granted granted Critical
Publication of CN202393371U publication Critical patent/CN202393371U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model provides an angle sensing assembly and a vehicle with the same. The angle sensing assembly disclosed by the utility model is used for measuring the rotation angle of a first component (13) relative to a second component (11) and comprises a pin shaft (14) for connecting the two components, a sensor mounting base (3), an angle sensor (8) and a pin shaft fixing device, wherein the sensor mounting base (3) is fixed on the second component (11), located at a first end of the pin shaft (14) and provided with a central hole; the angle sensor (8) is arranged on the sensor mounting base (3) and comprises a sensor rotation shaft (17) which penetrates through the central hole to be in coaxial and rotation-free connection with the first end of the pin shaft (14); and the pin shaft fixing device is fixed on the first component (13) and comprises a sleeve (15) sleeved on a second end of the pin shaft (14), and the pin shaft (14) is fixedly connected with the sleeve (15). According to the angle sensing assembly disclosed by the utility model, the precision in measuring a steering angle is enhanced.

Description

Angle sensor assembly and have its vehicle
Technical field
The utility model relates to engineering machinery field, more specifically, relates to a kind of angle sensor assembly and has its vehicle.
Background technology
It is extremely shown in Figure 3 with respect to angle sensor assembly such as Fig. 1 of the steering angle of supporting leg 9 ' to be used for wheel axle turning rack 12 ' in the prior art.Prevent wheel shaft turning rack 12 ' and bearing pin 15 ' relatively rotating between the two through clamp 5 ' and bolt 6 '.Backing plate 10 ' is fixed on the wheel shaft turning rack 12 ' through sunk screw 11 ', to avoid the direct friction between wheel shaft turning rack 12 ' and the supporting leg 9 '.Sensor mount pad 3 ' is fixed on the supporting leg 9 ' through bolt 4 ', and screw 8 ' is fixed on angular transducer mounting flange 16 ' on the sensor mount pad 3 '.The hole that pin 14 ' inserts on the sensor rotation axis 13 ', both stretch into the cotter way of bearing pin 15 ' upper end together, prevent relatively rotating between sensor rotation axis 13 ' and the bearing pin 15 '.Sensor case 1 ' is fixed on the supporting leg 9 ' through screw 2 ', with protection angular transducer 7 '.
The angle sensor assembly of above prior art has following weak point: easy abrasion between clamp and the bearing pin, thus cause that the gap is bigger between the two, make that the angle of measuring is less than normal; Gap between wheel shaft turning rack and the supporting leg is non-adjustable, and friction is bigger between the two; Sensor rotation axis and bearing pin prevent relatively rotating between the two through pin, between the cotter way of pin and bearing pin upper end the fit-up gap are arranged, thereby make the angle that angular transducer records and the steering angle of wheel shaft turning rack reality not be inconsistent.
The utility model content
The purpose of the utility model is to provide a kind of vehicle that can accurately measure the angle sensor assembly of steering angle and have it.
The utility model provides a kind of angle sensor assembly, is used to measure the anglec of rotation of first member with respect to the rotation of second member, and said angle sensor assembly comprises: bearing pin connects said first member and said second member; The sensor mount pad is fixed on said second member, and is positioned at first end of said bearing pin, has the center pit coaxial with said bearing pin on it; Angular transducer is installed on the said sensor mount pad, comprises rotatable sensor rotation axis, and said sensor rotation axis passes said center pit and is connected rotationally with the coaxial nothing of first end of said bearing pin; The bearing pin stationary installation is fixed on said first member, and said bearing pin stationary installation comprises the sleeve of the second end shaft part that is sheathed on said bearing pin, and said bearing pin is fixedly connected with said sleeve.
Further, said sleeve comprises first threaded hole; Correspondence position comprises the bearing pin circular conical surface on the second end shaft part of said bearing pin; Said bearing pin stationary installation also comprises the hexagon socket countersunk flat cap head screw with circular cone end face, and said hexagon socket countersunk flat cap head screw screws in said first threaded hole, and said circular cone end face match with said bearing pin circular conical surface ground butt.
Further, said sleeve comprises first pin-and-hole; Correspondence position comprises second pin-and-hole on the second end shaft part of said bearing pin; Said bearing pin stationary installation also comprises fixed pin, and said fixed pin passes said first pin-and-hole and with said second pin-and-hole said bearing pin do not had rotationally to be connected with said sleeve.
Further, the side of said sensor rotation axis comprises plane of orientation; Comprise second threaded hole on the first end shaft part of said bearing pin with said plane of orientation relative set; Said angle sensor assembly also comprises the socket head cap screw with planar end surface, and said socket head cap screw screws in said second threaded hole, and said planar end surface match with said plane of orientation ground butt.
Further; Said angle sensor assembly also comprises backing plate; Be sheathed on the said bearing pin and be arranged at said first member and said second member between and be fixed on said first member or said second member, the counterface that said backing plate and said first member or said second member are slidingly matched comprises oilway G.
Further, said angle sensor assembly also comprises adjusting pad, and said adjusting pad is sheathed on the said bearing pin and is positioned at the offside of the counterface of said backing plate, and is fixed on said first member or said second member with said backing plate.
Further, said angle sensor assembly also comprises self-oiling bearing, and said self-oiling bearing is arranged between said bearing pin and said second member.
Further, said angle sensor assembly also comprises the sensor case, and it is outer and be fixed on said second member to be located at said sensor body.
The utility model also provides a kind of vehicle; Comprise the wheel shaft turning rack that is fixed on the wheel hub, be fixed in supporting leg and aforesaid angle sensor assembly on the vehicle frame; And wherein said first member is said wheel shaft turning rack, and said second member is said supporting leg.
According to the angle sensor assembly of the utility model, make not have between bearing pin and the wheel shaft turning rack and relatively rotate through sleeve is set, improved the measuring accuracy of steering angle.
Description of drawings
The accompanying drawing that constitutes the application's a part is used to provide the further understanding to the utility model, and illustrative examples of the utility model and explanation thereof are used to explain the utility model, do not constitute the improper qualification to the utility model.In the accompanying drawings:
Fig. 1 is the structural representation of the angle sensor assembly of prior art;
Fig. 2 is the partial structurtes synoptic diagram of Fig. 1;
Fig. 3 is that A '-A ' of Fig. 2 is to the sectional structure synoptic diagram;
Fig. 4 is the structural representation according to the angle sensor assembly of the utility model first embodiment;
Fig. 5 is that the B-B of Fig. 4 is to structural representation;
Fig. 6 is the local enlarged diagram of Fig. 4;
Fig. 7 is that the C-C of Fig. 6 is to structural representation;
Fig. 8 is the plan structure synoptic diagram according to backing plate in the first embodiment angle sensor assembly of the utility model; And
Fig. 9 is the partial structurtes synoptic diagram according to the angle sensor assembly of second embodiment of the vehicle of the utility model.
Embodiment
Below with reference to accompanying drawing and combine embodiment to specify the utility model.Need to prove that under the situation of not conflicting, embodiment and the characteristic among the embodiment among the application can make up each other.
Be that example is explained the utility model only below with the angle sensor assembly that is used for the wheel axle steering angle that is installed on the vehicle; But the application of the utility model is not limited thereto; Measure the situation of first member but can be applied to any suitable needs, be particularly suitable for being applied to the measurement of the wheel shaft steering angle of high empty wagons or High Altitude Platform with respect to the anglec of rotation of second member.
Fig. 4 to Fig. 8 shows the angle sensor assembly of first embodiment of the utility model.As shown in Figure 4; Among first embodiment; Wheel shaft turning rack 13 is fixed on the wheel hub of vehicle, and supporting leg 11 is fixed on the vehicle frame of vehicle, and wheel shaft turning rack 13 is connected through bearing pin 14 with supporting leg 11; Wheel shaft turning rack 13 is wheel shaft steering angle to be measured with respect to the anglec of rotation of supporting leg 11 around turning axle A rotation.
The angle sensor assembly of first embodiment mainly comprises bearing pin 14, sensor mount pad 3, angular transducer 8 and bearing pin stationary installation.Angular transducer 8 comprises rotatable sensor rotation axis 17 and the sensor mounting flange 10 with mounting hole.The mounting hole that screw 9 passes on the sensor mounting flange 10 is fixed in sensor mounting flange 10 on the sensor mount pad 3; And sensor mount pad 3 is positioned at first end of bearing pin 14 and be fixed on the supporting leg 11 through bolt 2, thereby through sensor mount pad 3 angular transducer 8 has been fixed on the supporting leg 11.In addition, in order to protect angular transducer 8, also outside angular transducer 8, be covered with sensor case 1, and sensor case 1 be installed on the supporting leg 11 with screw 4.Sensor mount pad 3 comprises the center pit with bearing pin 14 coaxial settings; Sensor rotation axis 17 passes in the angular transducer pilot hole 19 at end face center that center pit on the sensor mount pad 3 stretches into bearing pin 14 first ends, and is coaxial with bearing pin 14 and do not have and be connected rotationally.The bearing pin stationary installation comprises the sleeve 15 of the second end shaft part that is sheathed on bearing pin 14; Sleeve 15 and wheel shaft turning rack 13 are fixedly connected through welding manner; And bearing pin 14 is fixedly connected with sleeve 15; Therefore, bearing pin 14 is fixed on the wheel shaft turning rack 13, and under the drive of wheel shaft turning rack 13, rotates around turning axle A.Because bearing pin 14 is fixed on the wheel shaft turning rack 13 through sleeve 15; Play along sense of rotation can not take place between bearing pin 14 and the sleeve 15; Overcome the gap that causes because of wearing and tearing between the clamp and bearing pin in the prior art and become big, the problem less than normal that takes measurement of an angle, thereby made the measurement of steering angle more accurate.
In first embodiment, sleeve 15 is fixedly connected through the symmetrically arranged hexagon socket countersunk flat cap head screw 16 of a pair of relative rotation axi A with bearing pin 14.As shown in Figure 5, sleeve 15 comprises two first threaded holes that are oppositely arranged.Correspondence position comprises two symmetrically arranged bearing pin circular conical surfaces 20 on the second end shaft part of bearing pin 14.The bearing pin stationary installation has comprised two hexagon socket countersunk flat cap head screws 16 with circular cone end face; Two hexagon socket countersunk flat cap head screws 16 screw in respectively in corresponding first threaded hole, and the circular cone end face of the hexagon socket countersunk flat cap head screw 16 ground butt that matches with corresponding bearing pin circular conical surface 20.Conical end through hexagon socket countersunk flat cap head screw makes not have between bearing pin 14 and the wheel shaft turning rack 13 to relatively rotate in the face of the effect of the bearing pin circular conical surface 20 of bearing pin 14.
As shown in Figure 4; Has space D between wheel shaft turning rack 13 and the supporting leg; And the angle sensor assembly also comprises backing plate 5, be sheathed on the bearing pin 14 and be arranged at wheel shaft turning rack 13 and supporting leg 11 between and be fixed on the wheel shaft turning rack 13 through sunk screw 7, backing plate 5 is slidingly matched with supporting leg 11.As shown in Figure 8, on the counterface that is slidingly matched of backing plate 5, comprised being used to put groove G to lubricating oil.Owing in the groove G of backing plate 5, be added with lubricating oil, thereby reduced the sliding friction between backing plate 5 and the supporting leg 9.
In addition, can between backing plate 5 and wheel shaft turning rack 13, adjusting pad 6 be set, adjusting pad 6 is fixed on wheel shaft turning rack 13 or the supporting leg 11 through sunk screw 7 with backing plate 5.Wherein the quantity of adjusting pad 6 can be adjusted according to the space D size between wheel shaft turning rack 13 and the supporting leg 11.Through adjusting pad and backing plate acting in conjunction, make that the installing space D between wheel shaft turning rack 13 and the supporting leg 11 is adjustable, reduced the processing and the assembly difficulty of wheel shaft turning rack 13 and supporting leg 11.
Certainly, those skilled in the art will envision that pad 5 also can be fixed on the supporting leg 11, and slides relatively with respect to wheel shaft turning rack 13, at this moment, pad 6 should be arranged between supporting leg 11 and the backing plate 5.
Below will combine Fig. 6 that the concrete connected mode of sensor rotation axis among first embodiment 17 and bearing pin 14 is described.The side of sensor rotation axis 17 has a plane of orientation.Has second threaded hole on the first end shaft part of bearing pin 14 with the plane of orientation relative set.The angle sensor assembly also comprises the socket head cap screw 18 with planar end surface, and socket head cap screw 18 screws in second threaded hole, and its planar end surface match with the plane of orientation of sensor rotation axis 17 butt.The planar end surface of socket head cap screw 18 is to the effect of the plane of orientation of sensor rotation axis 17; Make not have between bearing pin 14 and the sensor rotation axis 17 to relatively rotate, thereby overcome the coarse problem of measurement that has the gap between the cotter way of pin and bearing pin upper end of sensor rotation axis end in the prior art and cause.
In addition, as shown in Figure 1 for fear of the pivoting friction between supporting leg 11 and the bearing pin 14, the angle sensor assembly has also comprised the self-oiling bearing 12 that is arranged between bearing pin 14 and the supporting leg 11.
Pass through said apparatus; When wheel shaft turning rack 13 when turning axle A rotates; Bearing pin 14 rotates around turning axle A with sensor rotation axis 17 together, and the housing section that comprises sensor mounting flange 10 of supporting leg 11 and angular transducer 8 is then motionless relatively, thereby makes the angle that angular transducer 8 output transducer rotation axiss 17 rotate; This angle is wheel shaft turning rack 13 the pivot rotational angle of A, i.e. wheel shaft steering angle.
Fig. 9 shows the angle sensor assembly of second embodiment of the utility model.In a second embodiment, except bearing pin 14 and fixed form between the sleeve 15 are different with first embodiment, the equal no change of other each several part.Particularly, sleeve 15 comprises first pin-and-hole.Correspondence position comprises second pin-and-hole on the second end shaft part of bearing pin 14.The bearing pin stationary installation comprises fixed pin 21, and fixed pin 21 passes first pin-and-hole and is connected bearing pin 14 and sleeve 15 with second pin-and-hole, in case shotpin axle 14 and sleeve 15 relatively rotating between the two.In order to prevent that fixed pin 21 from coming off, also be provided with jump ring 22 respectively so that fixed pin 21 is positioned in two ends of fixed pin 21.
Can find out that from above description the utility model the above embodiments have realized following technique effect: make not have between bearing pin and the wheel shaft turning rack through sleeve to relatively rotate, improved the measuring accuracy of steering angle.Planar end surface through socket head cap screw makes not have between bearing pin and the sensor rotation axis to relatively rotate to the effect of the plane of orientation of sensor rotation axis, further improves the measuring accuracy of steering angle.In the groove of backing plate, place lubricating oil, reduced the friction between backing plate and the supporting leg.Through adjusting pad and backing plate acting in conjunction, make that the assemblage gap between wheel shaft turning rack and the supporting leg is adjustable, reduced the processing and the assembly difficulty of wheel shaft turning rack and supporting leg.The utility model is simple in structure, good manufacturability, the installation and processing that makes things convenient for, compact conformation, reliable effect, the utility model can for vehicle ' with turn to the parameter that provides relevant.
More than be merely the preferred embodiment of the utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various changes and variation.All within the spirit and principle of the utility model, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the utility model.

Claims (9)

1. an angle sensor assembly is used to measure the anglec of rotation of first member (13) with respect to second member (11) rotation, and said angle sensor assembly comprises:
Bearing pin (14) connects said first member (13) and said second member (11);
Sensor mount pad (3) is fixed on said second member (11), and is positioned at first end of said bearing pin (14), has on it and the coaxial center pit of said bearing pin (14);
Angular transducer (8) is installed on the said sensor mount pad (3), comprises rotatable sensor rotation axis (17), and said sensor rotation axis (17) passes said center pit and is connected rotationally with the coaxial nothing of first end of said bearing pin (14);
The bearing pin stationary installation is fixed on said first member (13), and said bearing pin stationary installation comprises the sleeve (15) of the second end shaft part that is sheathed on said bearing pin (14), and said bearing pin (14) is fixedly connected with said sleeve (15).
2. angle sensor assembly according to claim 1 is characterized in that,
Said sleeve (15) comprises first threaded hole;
Correspondence position comprises bearing pin circular conical surface (20) on the second end shaft part of said bearing pin (14);
Said bearing pin stationary installation also comprises the hexagon socket countersunk flat cap head screw (16) with circular cone end face, and said hexagon socket countersunk flat cap head screw (16) screws in said first threaded hole, and said circular cone end face match with said bearing pin circular conical surface (20) butt.
3. angle sensor assembly according to claim 1 is characterized in that,
Said sleeve (15) comprises first pin-and-hole;
Correspondence position comprises second pin-and-hole on the second end shaft part of said bearing pin (14);
Said bearing pin stationary installation also comprises fixed pin (21), and said fixed pin (21) passes said first pin-and-hole makes said bearing pin (14) be connected rotationally with said sleeve (15) nothing with said second pin-and-hole.
4. according to each described angle sensor assembly in the claim 1 to 3, it is characterized in that,
The side of said sensor rotation axis (17) comprises plane of orientation;
Comprise second threaded hole on the first end shaft part of said bearing pin (14) with said plane of orientation relative set;
Said angle sensor assembly also comprises the socket head cap screw (18) with planar end surface, and said socket head cap screw (18) screws in said second threaded hole, and said planar end surface match with said plane of orientation butt.
5. according to each described angle sensor assembly in the claim 1 to 3; It is characterized in that; Said angle sensor assembly also comprises backing plate (5); Be sheathed on said bearing pin (14) and go up and be arranged between said first member (13) and said second member (11) and be fixed on said first member (13) or said second member (11), the counterface that said backing plate (5) and said first member (13) or said second member (11) are slidingly matched comprises oilway (G).
6. angle sensor assembly according to claim 5; It is characterized in that; Said angle sensor assembly also comprises adjusting pad (6); Said adjusting pad (6) is sheathed on the offside that the counterface of said backing plate (5) was gone up and be positioned to said bearing pin (14), and is fixed on said first member (13) or said second member (11) with said backing plate (5).
7. according to each described angle sensor assembly in the claim 1 to 3, it is characterized in that said angle sensor assembly also comprises self-oiling bearing (12), said self-oiling bearing (12) is arranged between said bearing pin (14) and said second member (11).
8. according to each described angle sensor assembly in the claim 1 to 3, it is characterized in that said angle sensor assembly also comprises sensor case (1), it is outer and be fixed on said second member (11) to be located at said sensor body.
9. vehicle; Comprise the wheel shaft turning rack (13) that is fixed on the wheel hub, be fixed in supporting leg (11) and angle sensor assembly on the vehicle frame; It is characterized in that; Said angle sensor assembly is according to each described angle sensor assembly in the claim 1 to 8, and wherein said first member is said wheel shaft turning rack (13), and said second member is said supporting leg (11).
CN2011205741793U 2011-12-31 2011-12-31 Angle sensing assembly and vehicle with same Expired - Fee Related CN202393371U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011205741793U CN202393371U (en) 2011-12-31 2011-12-31 Angle sensing assembly and vehicle with same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011205741793U CN202393371U (en) 2011-12-31 2011-12-31 Angle sensing assembly and vehicle with same

Publications (1)

Publication Number Publication Date
CN202393371U true CN202393371U (en) 2012-08-22

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103256054A (en) * 2013-06-05 2013-08-21 北方重工集团有限公司 Tunneling machine trailer traveling wheel mechanism adapted to curve rail
CN105710895A (en) * 2016-04-29 2016-06-29 华南理工大学 Structure of rope-driven mechanical arm rotation joint
CN105783848A (en) * 2016-04-28 2016-07-20 同济大学 Rail vehicle secondary rotation micro-angle measurement device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103256054A (en) * 2013-06-05 2013-08-21 北方重工集团有限公司 Tunneling machine trailer traveling wheel mechanism adapted to curve rail
CN105783848A (en) * 2016-04-28 2016-07-20 同济大学 Rail vehicle secondary rotation micro-angle measurement device
CN105783848B (en) * 2016-04-28 2018-11-02 同济大学 A kind of micro- angle measurement unit of two system of rail vehicle revolution
CN105710895A (en) * 2016-04-29 2016-06-29 华南理工大学 Structure of rope-driven mechanical arm rotation joint

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Date Code Title Description
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: 20120822

Termination date: 20151231

EXPY Termination of patent right or utility model