CN111895958B - Support leg device and working machine - Google Patents
Support leg device and working machine Download PDFInfo
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- CN111895958B CN111895958B CN202010720633.5A CN202010720633A CN111895958B CN 111895958 B CN111895958 B CN 111895958B CN 202010720633 A CN202010720633 A CN 202010720633A CN 111895958 B CN111895958 B CN 111895958B
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- connecting block
- leg
- angle sensor
- measuring
- bearing seat
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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
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/22—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring angles or tapers; for testing the alignment of axes
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Abstract
The invention provides a leg device and a working machine, wherein the leg device comprises: bear seat, landing leg, angle sensor and connecting piece. The supporting legs are rotatably connected to the bearing seat; the angle sensor is arranged on the bearing seat, and the axis of a measuring shaft of the angle sensor is coaxial with the rotation axis of the supporting leg relative to the bearing seat; the landing leg is connected to the first end of connecting piece, and the measuring spindle is connected to the second end of connecting piece for drive measuring spindle rotates. The rotation axis of landing leg is same straight line with the axis of measuring spindle, and landing leg and measuring spindle are connected to the connecting piece, drive the measuring spindle through the connecting piece when the landing leg rotates and rotate for landing leg and measuring spindle rotate in step, angle sensor measures the turned angle of landing leg, be the swing angle of landing leg, thereby can accurately confirm the degree of bearing of landing leg according to the rotation length of landing leg, and then confirm the operation range of bearing the seat, security when improving the operation.
Description
Technical Field
The invention belongs to the technical field of engineering equipment, and particularly relates to a supporting leg device and an operating machine.
Background
To the operating machinery who is equipped with hydraulic leg, the contained angle of adjacent landing leg can decide the landing leg to the degree of bearing the weight of getting on the bus, if the contained angle undersize of adjacent landing leg, the operation of getting on the bus surpasss the bearing scope of landing leg, causes accident's such as rollover emergence easily, so how the swing angle of accurate detection landing leg becomes the problem of waiting for a moment to solve urgently.
Disclosure of Invention
The present invention is directed to solving one of the technical problems of the prior art or the related art.
In view of the above, a first aspect of the present invention provides a leg device, including: a bearing seat; the supporting legs are rotatably connected to the bearing seat; the angle sensor is arranged on the bearing seat, and the axis of a measuring shaft of the angle sensor is coaxial with the rotation axis of the supporting leg relative to the bearing seat; the landing leg is connected to the first end of connecting piece, and the measuring spindle is connected to the second end of connecting piece for drive measuring spindle rotates.
The present invention provides a leg device comprising: bear seat, landing leg, angle sensor and connecting piece. The landing leg can rotate to be connected in bearing the seat, and the landing leg can be at least two, can adjust the angle of adjacent landing leg in two at least landing legs according to the load position on bearing the seat, and angle sensor can measure the rotation angle of landing leg, and when the landing leg was not rotatory, can mark the current position and be initial condition, if the landing leg bears the seat rotation relatively, then the rotation angle of measurement landing leg to calculate the swing angle of landing leg for bearing the seat.
Specifically, the angle sensor can measure the rotation angle of the measuring shaft, the two ends of the connecting piece are respectively connected with the supporting leg and the measuring shaft of the angle sensor, and the rotation axis of the supporting leg and the axis of the measuring shaft are the same straight line, namely the supporting leg and the measuring shaft rotate coaxially. The connecting piece is connected with the supporting leg and the measuring shaft, and the supporting leg drives the measuring shaft to rotate through the connecting piece when rotating, so that the supporting leg and the measuring shaft synchronously rotate. The angle sensor measures the rotation angle of the measuring shaft, namely the swing angle of the supporting leg, so that the bearing degree of the supporting leg can be accurately determined according to the rotation length of the supporting leg, the operation amplitude of the bearing seat is further determined, and compared with the existing measuring mode, the measuring accuracy is improved, and the operation safety is improved.
In addition, according to the leg device in the above technical solution provided by the present invention, the following additional technical features may also be provided:
in one possible design, the connector includes: the connecting block is fixed on the measuring shaft; the first end of connecting rod is fixed in on the landing leg, and the second end and the connecting block of connecting rod are connected.
In this design, the connecting piece includes connecting block and connecting rod, and on the connecting block was fixed in the measuring spindle, the both ends of connecting rod were connected with landing leg and connecting block respectively. Set up connecting block and connecting rod between measuring shaft and landing leg, can reduce the assembly degree of difficulty of connecting piece, improve assembly speed and assembly convenience.
In one possible design, the connection block includes: the measuring shaft can be inserted into the through hole; the first opening penetrates through one side of the connecting block and is communicated with the through hole; the mounting hole penetrates through the opposite side walls of the connecting block and is communicated with the first opening; and bolts passing through the mounting holes to connect the opposite side walls of the connecting block.
In this design, the through-hole on the connecting block can be located on the measuring shaft to realize being connected with the measuring shaft, the opening intercommunication through-hole of one side of connecting block, thereby make connecting block one side can be pressed from both sides tightly, thereby reduce first open-ended aperture. The bolt can pass the mounting hole, because the mounting hole link up the relative lateral wall of connecting block for the bolt can the through connection piece, the in-process of rotating bolt presss from both sides the first opening side of connecting block tightly, reduces first open-ended aperture, makes the connecting block press from both sides tightly on the measuring spindle, avoids connecting block and measuring spindle relative rotation, makes the connecting block can rotate with the measuring spindle synchronous, and then improves the measurement accuracy to landing leg swing angle. Because the volume of connecting piece is great, locate the measuring shaft with the connecting block cover and compare in the direct mode of locating the measuring shaft with the connecting rod again and improved the assembly convenience.
In one possible design, the connecting block further includes: the pin hole is communicated with the through hole; and the pin shaft can be inserted into the pin hole and is abutted against the measuring shaft.
In this design, the round pin axle can insert the pinhole and offset with the measuring spindle, in order to locate the measuring spindle with the connecting block cover, can be equipped with the clearance between connecting block and the measuring spindle, supports the measuring spindle tightly in the connecting block through the round pin axle, further avoids connecting block and measuring spindle to take place relative rotation, improves the measurement accuracy to landing leg swing angle.
In one possible design, the connecting rod comprises: the second opening is communicated with the second end of the connecting rod, at least part of the connecting block can be accommodated in the second opening, and the connecting block is abutted to the opposite inner wall of the second opening.
In this design, at least part of the connecting piece can be accommodated in the opening at the second end of the connecting rod, and the connecting piece abuts against the opposite inner wall of the second opening. That is to say, the second opening centre gripping connecting block of connecting rod, the clearance is less between connecting block and the connecting rod relative lateral wall to guarantee that landing leg and measuring spindle can rotate in step, the connecting rod is fixed in the landing leg, and the connecting block is fixed in the measuring spindle, so second opening centre gripping connecting block just can realize being connected of connecting rod and connecting block, need not fix connecting rod and connecting block through the connecting piece, reduces part quantity, improves the assembly convenience.
Of course, in order to further improve the assembly stability, the connecting rod and the connecting block may also be fixed by a connecting member.
In one possible design, the connecting rod comprises: the connecting rod is provided with at least one section of bending part in the extending direction.
In this design, when landing leg and measuring spindle are not on same horizontal plane, set up one section at least kink on the connecting rod for the second end of connecting rod can tend to the level setting, and then can improve the assembly convenience of connecting rod and connecting block. Through increasing the quantity of kink, can reduce the occupation space of connecting rod, and then be favorable to dodging the mounted position of other parts, improve space utilization.
In one possible design, the leg arrangement further comprises: the strengthening rib is located on the connecting rod, and the kink is connected at least to the strengthening rib.
In this design, the kink can be connected in the strengthening rib setting, and the strengthening rib can strengthen the structural strength at connecting rod bending part promptly for the kink is difficult for appearing warping, improves the structural stability of connecting rod, and then improves the measurement accuracy to landing leg swing angle.
In one possible design, the angle sensor further includes: the measuring shaft extends out of the measuring part, and the measuring part is used for measuring the rotation angle of the measuring shaft; the leg device further includes: the measuring part of the angle sensor is fixed on the mounting plate; the two supporting plates are respectively arranged on the opposite sides of the mounting plate, the first sides of the supporting plates are connected with the mounting plate, the second sides of the supporting plates are provided with bending parts, and the bending parts are abutted to the bearing seat; the first locking piece is provided with a first connecting hole on the mounting plate and the bending part, and the first locking piece can penetrate through the first connecting hole so as to lock the bending part on the bearing seat.
In this design, be provided with the portion of bending in the backup pad, the portion of bending can offset with bearing the seat to increase the backup pad and bear the area of contact of seat, and then improve the backup pad and bear the support stability of seat, improve the support stability of mounting panel to angle sensor. The opposite sides of the mounting plate are respectively provided with a supporting plate, and the two supporting plates support the opposite sides of the mounting plate, so that the opposite sides of the mounting plate are balanced in stress. The support stability of the mounting panel to angle sensor is further improved, and first locking piece passes the mounting panel and bends the first connecting hole in the portion, and then is fixed in the mounting panel and the backup pad and bears on the weight of the seat to angle sensor's mounted position has been injectd, angle sensor's mounted position is difficult for taking place to change, improves the measurement accuracy to landing leg swing angle. The mounting panel is supported to the backup pad for be equipped with the clearance between mounting panel and the bearing seat, can hold other parts in this clearance, dodge other parts, improved space utilization.
In one possible design, the leg arrangement further comprises: the protective plate, the angle sensor and the connecting block are positioned between the protective plate and the bearing seat; the two connecting plates are respectively positioned on the opposite sides of the guard plate, and the connecting plates are provided with kidney-shaped grooves; the second locking piece is equipped with the second connecting hole in the backup pad, and the kidney slot and second connecting hole can be passed to the second locking piece to lock the connecting plate in the backup pad.
In this design, the both sides of backplate set up the connecting plate, and the second retaining member passes the kidney slot and is fixed in the backup pad with the connecting plate to realized the installation of backplate, angle sensor and connecting block are located the backplate and bear between the seat, and the backplate has played the guard action to angle sensor and connecting block, dodges the rainwater and splashes part and angle sensor and connecting block contact, reduces the spoilage of angle sensor and connecting block. The second locking piece can slide in the kidney-shaped groove to can adjust the position of relative angle sensor of backplate and connecting block, be convenient for adjust the backplate to be suitable for the position that angle sensor and connecting block protected.
A second aspect of the present invention provides a working machine, which includes a leg device in any one of the above possible designs, so as to have all the beneficial technical effects of the leg device in any one of the above possible designs, and therefore, the description thereof is omitted here.
The operation machine further comprises a body, the bearing seat is connected to the body, during operation, the bearing seat can bear the body, the swing angle of the supporting leg can be adjusted to adjust the operation amplitude of the body, and the stability during operation is improved.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 illustrates a schematic structural view of a leg assembly according to an embodiment of the present invention;
FIG. 2 shows a schematic structural view of a leg arrangement of another embodiment of the present invention;
FIG. 3 shows a schematic structural diagram of a connection block of one embodiment of the present invention;
FIG. 4 shows a schematic structural view of a connecting rod of one embodiment of the present invention;
FIG. 5 shows a schematic structural view of a leg arrangement of yet another embodiment of the present invention;
FIG. 6 shows a schematic structural view of a leg arrangement of yet another embodiment of the present invention;
FIG. 7 shows a schematic structural view of a leg arrangement of yet another embodiment of the present invention;
FIG. 8 shows a schematic structural diagram of an angle sensor of one embodiment of the present invention;
fig. 9 shows a schematic structural view of a leg device of a further embodiment of the invention.
Wherein, the correspondence between the reference numbers and the part names in fig. 1 to 9 is:
the bearing seat comprises a bearing seat body 1, supporting legs 2, an angle sensor 3, a connecting piece 4, a connecting piece 41, a through hole 411, a first opening 412, a mounting hole 413, a bolt 414, a pin hole 415, a connecting rod 42, a second opening 421, a bending part 422, a reinforcing rib 5, a mounting plate 6, a first connecting hole 61, a supporting plate 7, a first locking piece 8, a protective plate 9, a connecting plate 10, a kidney-shaped groove 101 and a second locking piece 11.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
Leg arrangements provided according to some embodiments of the present invention are described below with reference to fig. 1-9.
As shown in fig. 1, an embodiment of the first aspect of the present invention provides a leg device, including: bearing seat 1, landing leg 2, angle sensor 3 and connecting piece 4.
The supporting legs 2 are rotatably connected to the bearing seat 1; the angle sensor 3 is arranged on the bearing seat 1, and the axis of a measuring shaft of the angle sensor 3 is coaxial with the rotation axis of the supporting leg 2 relative to the bearing seat 1; the landing leg 2 is connected to the first end of connecting piece 4, and the measuring spindle is connected to the second end of connecting piece 4, and the axis of rotation of landing leg 2 and the axis of measuring spindle are same straight line.
The landing leg 2 can be at least two, can be according to the load position on bearing the weight of seat 1, adjusts the angle of adjacent landing leg 2 in at least two landing legs 2, and angle sensor 3 can measure the rotation angle of landing leg 2. When the supporting leg 2 is not rotated, the current position can be marked as an initial state, and if the supporting leg 2 rotates relative to the bearing seat 1, the rotating angle of the supporting leg 2 is measured, so that the swinging angle of the supporting leg 2 relative to the bearing seat 1 is accurately obtained.
Specifically, the angle sensor 3 can measure the rotation angle of the measuring shaft, the two ends of the connecting piece 4 are respectively connected with the measuring shafts of the supporting leg 2 and the angle sensor 3, and the rotation axis of the supporting leg 2 and the axis of the measuring shaft are the same straight line, i.e. the supporting leg 2 and the measuring shaft rotate coaxially. The landing leg 2 and the measuring shaft are connected through the connecting piece 4, and the landing leg 2 drives the measuring shaft to rotate through the connecting piece 4 when rotating, so that the landing leg 2 and the measuring shaft synchronously rotate. The angle sensor 3 measures the rotation angle of the measuring shaft, namely the swing angle of the supporting leg 2, so that the bearing degree of the supporting leg 2 can be accurately determined according to the rotation length of the supporting leg 2, the operation amplitude of the bearing seat 1 is further determined, and the safety during operation is improved.
The supporting leg device in the embodiment has a compact integral structure and small occupied space, and the reliability of the detection device is improved.
As shown in fig. 1 and 2, in the above embodiment, the connecting member 4 includes: the connecting block 41 and the connecting rod 42, the connecting block 41 is fixed on the measuring shaft; a first end of the connecting rod 42 is fixed to the leg 2 and a second end of the connecting rod 42 is connected to the connecting block 41.
In this embodiment, the connecting member 4 includes a connecting block 41 and a connecting rod 42, the connecting block 41 is fixed to the measuring shaft, and both ends of the connecting rod 42 are connected to the leg 2 and the connecting block 41, respectively. Set up connecting block 41 and connecting rod 42 between measuring shaft and landing leg 2, can reduce the assembly degree of difficulty of connecting piece 4, improve assembly speed and assembly convenience.
Connecting rod 42 and landing leg 2 pass through bolt 414 fixed connection, and landing leg 2 drives connecting rod 42 when rotating and rotates, and connecting rod 42 and connecting block 41 clearance fit stir connecting block 41 by connecting rod 42 and rotate simultaneously to measure the extension range of landing leg 2.
As shown in fig. 2 and 3 in conjunction, in the above embodiment, the connection block 41 includes: the measuring shaft comprises a through hole 411, a first opening 412, a mounting hole 413, a bolt 414 and a nut, wherein the measuring shaft can be inserted into the through hole 411; the first opening 412 penetrates one side of the connection block 41, and the first opening 412 is communicated with the through hole 411; the mounting hole 413 penetrates through the opposite side walls of the connecting block 41, and the mounting hole 413 is communicated with the first opening 412; bolts 414 pass through the mounting holes 413 to connect opposite sidewalls of the connection block 41.
In this embodiment, the through hole 411 of the connecting block 41 can be sleeved on the measuring shaft to realize the connection with the measuring shaft, and the opening of one side of the connecting block 41 is communicated with the through hole 411, so that one side of the connecting block 41 can be clamped, thereby reducing the opening degree of the first opening 412. The bolt 414 can pass through the mounting hole 413, and the mounting hole 413 penetrates through the opposite side walls of the connecting block 41, so that the bolt 414 can penetrate through the connecting block 41, the first opening 412 side of the connecting block 41 is clamped in the process of rotating the bolt 414, the opening degree of the first opening 412 is reduced, the connecting block 41 is clamped on the measuring shaft, the relative rotation between the connecting block 41 and the measuring shaft is avoided, the connecting block 41 can synchronously rotate with the measuring shaft, and the accuracy of measuring the swing angle of the supporting leg 2 is improved. Because the connecting piece 4 has a larger volume, the manner of sleeving the connecting piece 41 on the measuring shaft and then connecting with the connecting rod 42 improves the assembly convenience compared with the manner of directly sleeving the connecting piece 4 on the measuring shaft.
As shown in fig. 2 and 3, in the above embodiment, the connecting block 41 further includes: a pin hole 415 and a pin shaft, wherein the pin hole 415 is communicated with the through hole 411; the pin shaft can be inserted into the pin hole 415 and abut against the measuring shaft.
In this embodiment, the pin shaft can be inserted into the pin hole 415 and abut against the measuring shaft, in order to be able to locate the measuring shaft with the connecting block 41, a gap will be provided between the connecting block 41 and the measuring shaft, and the measuring shaft abuts against the connecting block 41 through the pin shaft, thereby further preventing the connecting block 41 and the measuring shaft from rotating relatively, and improving the accuracy of measuring the swing angle of the supporting leg 2.
The connecting block 41 is fixedly connected with the measuring shaft of the angle sensor 3 through the pin shaft and the screw, and the measuring shaft of the angle sensor 3 can be driven to rotate when the connecting block 41 is shifted.
In the above embodiment, as shown in fig. 2 and 4, the connecting rod 42 includes the second opening 421, the second opening 421 penetrates through the second end of the connecting rod 42, at least a portion of the connecting block 41 can be accommodated in the second opening 421, and the connecting block 41 abuts against an opposite inner wall of the second opening 421.
In this embodiment, at least a part of the connecting block 41 can be accommodated in the opening of the second end of the connecting rod 42, and the connecting block 41 abuts against the opposite inner wall of the second opening 421, that is, the second opening 421 of the connecting rod 42 clamps the connecting block 41, and the gap between the connecting block 41 and the opposite side wall of the connecting rod 42 is small, so as to ensure that the leg 2 and the measuring shaft can rotate synchronously. Connecting rod 42 is fixed in landing leg 2, and connecting block 41 is fixed in the measuring spindle, so second opening 421 centre gripping connecting block 41 just can realize connecting rod 42 and connecting block 41's connection, need not fix connecting rod 42 and connecting block 41 through connecting piece 4, reduces part quantity, improves the assembly convenience.
Of course, in order to further improve the assembling stability, the connecting rod 42 and the connecting block 41 may be fixed by the connecting member 4.
The related parts for detecting the rotation of the supporting leg 2 are all assembly parts, and the installation and the maintenance are convenient. The efficiency of manufacturing, assembly and maintenance is improved.
In the above embodiment, as shown in fig. 2 and fig. 4, the connecting rod 42 includes the bent portion 422, and the connecting rod 42 forms at least one bent portion 422 in the extending direction.
In this embodiment, when landing leg 2 and measuring spindle are not on same horizontal plane, set up one section at least kink 422 on connecting rod 42 for the second end of connecting rod 42 can tend to the level setting, and then can improve the assembly convenience of connecting rod 42 and connecting block 41, through increasing the quantity of kink 422, can reduce the occupation space of connecting rod 42, and then is favorable to dodging the mounted position of other parts, improves space utilization.
In the above embodiment, as shown in fig. 2, 4 and 5, the leg device further includes a reinforcing rib 5, the reinforcing rib 5 is disposed on the connecting rod 42, and the reinforcing rib 5 is connected to at least the bent portion 422.
In this embodiment, the reinforcing rib 5 is provided to connect the bent portion 422, that is, the reinforcing rib 5 can reinforce the structural strength of the bent portion 422 of the connecting rod 42, so that the bent portion 422 is not easy to deform, the structural stability of the connecting rod 42 is improved, and the accuracy of measuring the swing angle of the leg 2 is improved.
As shown in fig. 6 and 7, in the above embodiment, the angle sensor 3 further includes a metering portion, the measuring shaft extends out of the metering portion, and the metering portion is used for metering the rotation angle of the measuring shaft; the leg device further includes: the angle sensor comprises a mounting plate 6, two supporting plates 7 and a first locking piece 8, wherein a metering part of the angle sensor 3 is fixed on the mounting plate 6; the two supporting plates 7 are respectively arranged on the opposite sides of the mounting plate 6, the first sides of the supporting plates 7 are connected with the mounting plate 6, the second sides of the supporting plates 7 are provided with bending parts, and the bending parts are abutted to the bearing seat 1; the mounting plate 6 and the bending part are provided with a first connecting hole 61, and the first locking member 8 can pass through the first connecting hole 61 to lock the bending part on the bearing seat 1.
In this embodiment, a bending portion is disposed on the supporting plate 7, and the bending portion can abut against the bearing seat 1, so as to increase a contact area between the supporting plate 7 and the bearing seat 1, further improve a supporting stability between the supporting plate 7 and the bearing seat 1, and improve a supporting stability of the mounting plate 6 to the angle sensor 3. The opposite sides of the mounting plate 6 are respectively provided with a supporting plate 7, and the two supporting plates 7 support the opposite sides of the mounting plate 6, so that the opposite sides of the mounting plate 6 are balanced in stress, and the supporting stability of the mounting plate 6 for the angle sensor 3 is further improved.
First locking member 8 passes mounting panel 6 and the first connecting hole 61 in the portion of bending, and then is fixed in mounting panel 6 and backup pad 7 and bears on the seat 1 to the mounted position of angle sensor 3 has been injectd, and angle sensor 3's mounted position is difficult for taking place to change, improves the measurement accuracy to 2 swing angles of landing leg. The mounting plate 6 is supported by the supporting plate 7, so that a gap is formed between the mounting plate 6 and the bearing seat 1, other components can be accommodated in the gap, the other components are avoided, and the space utilization rate is improved.
As shown in fig. 8, the angle sensor 3 in this embodiment is an angle sensor, and the cost of using the angle sensor is lower than that of using other sensors, the bearing seat 1 may be a turret of a working machine, and the angle sensor is connected to the turret through a mounting plate 6 and a support plate 7, so as to ensure the relative position of the hole sites on the mounting seat, and thus the axis of the angle sensor and the rotation axis of the support leg 2 are kept concentric.
The linkage of the supporting leg 2 and the angle sensor is realized through the mounting plate 6, the connecting rod 42 and the connecting block 41, the structural form of the linkage is low in requirements on manufacturing and mounting precision, the fault tolerance rate is high, and the linkage is easy to realize.
In the above embodiment, as shown in fig. 6 and 9, the leg device further includes: the guard plate 9, the two connecting plates 10 and the second locking piece 11, the angle sensor 3 and the connecting block 41 are positioned between the guard plate 9 and the bearing seat 1; the two connecting plates 10 are respectively positioned at the opposite sides of the guard plate 9, and the connecting plates 10 are provided with kidney-shaped grooves 101; the support plate 7 is provided with a second coupling hole through which the second locking member 11 can pass through the kidney groove 101 and the second coupling hole to lock the coupling plate 10 to the support plate 7.
For angle sensor 3 increases backplate 9, prevents that the people from trampling the damage, prevents that the rainwater from corroding, promotes the whole aesthetic property of operation machinery.
In this embodiment, the connecting plates 10 are disposed on both sides of the protector plate 9, the second locking member passes through the kidney-shaped groove 101 and fixes the connecting plates 10 to the support plate 7, so that the protector plate 9 is installed, the angle sensor 3 and the connecting block 41 are located between the protector plate 9 and the bearing seat 1, the protector plate 9 protects the angle sensor 3 and the connecting block 41, rain water and splashing components are prevented from contacting the angle sensor 3 and the connecting block 41, and the damage rate of the angle sensor 3 and the connecting block 41 is reduced. The second locking member 11 is slidable in the kidney groove 101, so that the position of the protector plate 9 relative to the angle sensor 3 and the connection block 41 can be adjusted, and the protector plate 9 can be conveniently adjusted to a position suitable for protecting the angle sensor 3 and the connection block 41.
As shown in fig. 1 to 9, in one embodiment, it is first necessary to make holes in the load-bearing base 1, to align the rotation axes of the legs 2, to make holes in the mounting plate 6 and the support plate 7, to fasten the mounting plate 6 and the support plate 7 to the load-bearing base 1 by screws, and to fasten the angle sensor to the mounting plate 6 by screws, to ensure that the rotation axes of the angle sensor and the rotation axes of the legs 2 are concentric by ensuring the relative positional accuracy of the holes in the mounting plate 6. Connecting block 41 is through round pin hub connection to fasten with locking screw and can drive angle sensor and rotate, connecting rod 42 one end and landing leg 2 are through welding piece and screw fixed connection, another and 41 clearance fit of connecting block, when landing leg 2 rotated, connecting rod 42 then rotated and stirred connecting block 41 and drive angle sensor and rotate, thereby can be real-time, continuous measuring landing leg 2's swing angle and rotational angular velocity. Finally, in order to prevent the damage caused by artificial treading and the erosion of rainwater, a protective plate 9 is fastened on the supporting plate 7 through screws.
The angle sensor is arranged at the center of the rotation axis of the supporting leg 2, and the supporting leg 2 drives the angle sensor to rotate through the connecting block 41 and the connecting rod 42. The angle sensor counts every 1/16 of a revolution of its shaft. When the rotation is made in one direction, the count is increased, and when the rotation direction is changed, the count is decreased. The count is related to the initial position of the angle sensor. When the angle sensor is initialized, its count value is set to 0, which can be reset programmatically if necessary.
The supporting leg device in the embodiment has the advantages of small occupied space, compact structure, no easily-damaged parts, long service life and high reliability.
An embodiment of a second aspect of the present invention provides a working machine, including the leg device in any one of the above embodiments, so that all the beneficial technical effects of the leg device in any one of the above embodiments are achieved, and redundant description is omitted here.
The operation machine further comprises a body, the bearing seat is connected to the body, during operation, the bearing seat can bear the body, the swing angle of the supporting leg can be adjusted to adjust the operation amplitude of the body, and the stability during operation is improved.
In the present invention, the term "plurality" means two or more unless explicitly defined otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A leg arrangement, comprising:
a bearing seat;
the supporting legs are rotatably connected to the bearing seat;
the angle sensor is arranged on the bearing seat, and the axis of a measuring shaft of the angle sensor is coaxial with the rotation axis of the supporting leg relative to the bearing seat;
the first end of the connecting piece is connected with the supporting leg, and the second end of the connecting piece is connected with the measuring shaft and is used for driving the measuring shaft to rotate;
the connector includes:
the connecting block is fixed on the measuring shaft;
the first end of the connecting rod is fixed on the supporting leg, and the second end of the connecting rod is connected with the connecting block;
the connecting block includes:
the measuring shaft can be inserted into the through hole;
the first opening penetrates through one side of the connecting block and is communicated with the through hole;
the mounting hole penetrates through the opposite side walls of the connecting block, and the mounting hole is communicated with the first opening;
a bolt passing through the mounting hole to connect opposite sidewalls of the connecting block.
2. The leg arrangement of claim 1, wherein the connecting block further comprises:
the pin hole is communicated with the through hole;
and the pin shaft is inserted into the pin hole and connected with the measuring shaft.
3. The leg arrangement according to claim 1, wherein the connecting rod comprises:
and the second opening penetrates through the second end of the connecting rod, at least part of the connecting block can be accommodated in the second opening, and the connecting block is abutted to the opposite inner wall of the second opening.
4. The leg arrangement of claim 1, wherein the connecting bar comprises: the connecting rod at least forms one section of the bending part in the extending direction.
5. The leg arrangement of claim 4, further comprising:
the reinforcing rib is arranged on the connecting rod and at least connected with the bending part.
6. The leg arrangement as claimed in any one of claims 1 to 5, wherein the angle sensor further comprises:
the measuring shaft extends out of the measuring part, and the measuring part is used for measuring the rotation angle of the measuring shaft;
the leg device further includes:
the measuring part of the angle sensor is fixed on the mounting plate;
the two supporting plates are respectively arranged on the opposite sides of the mounting plate, the first side of each supporting plate is connected with the mounting plate, the second side of each supporting plate is provided with a bending part, and the bending parts are abutted to the bearing seat;
the mounting plate and the bending part are provided with first connecting holes, and the first locking part can penetrate through the first connecting holes so as to lock the bending part on the bearing seat.
7. The leg arrangement of claim 6, further comprising:
the angle sensor and the connecting block are positioned between the protection plate and the bearing seat;
the two connecting plates are respectively positioned on the opposite sides of the guard plate, and a kidney-shaped groove is formed in each connecting plate;
the second locking piece, be equipped with the second connecting hole in the backup pad, the second locking piece can pass kidney slot with the second connecting hole, in order with the connecting plate lock in the backup pad.
8. A work machine, comprising:
a body;
the leg arrangement of any one of claims 1 to 7, the load bearing seat being connected to the body.
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| IT1319446B1 (en) * | 2000-11-16 | 2003-10-10 | Corghi Spa | DEVICE FOR DETECTION OF GEOMETRIC DEFECTS OF THE WHEEL OF A VEHICLE |
| CN102278072B (en) * | 2011-07-12 | 2013-04-17 | 中国地质大学（武汉） | Hydraulic automatic leveling system and leveling method for seabed drilling machine |
| CN102632872B (en) * | 2012-04-16 | 2014-10-15 | 三一重工股份有限公司 | Outrigger type engineering machinery, outrigger controlling system and outrigger controlling method |
| US9365398B2 (en) * | 2012-10-31 | 2016-06-14 | Manitowoc Crane Companies, Llc | Outrigger pad monitoring system |
| CN103640557B (en) * | 2013-12-04 | 2016-03-02 | 中联重科股份有限公司 | Oscillating support leg mounting structure, control setup, system, control method and construction machinery and equipment |
| CN205785158U (en) * | 2016-05-31 | 2016-12-07 | 中国航空工业集团公司西安飞机设计研究所 | A kind of test-bed rotational angle measurement apparatus |
| CN107588758B (en) * | 2016-07-08 | 2020-12-01 | 西门子公司 | Rotor horizontal measuring device, rotor horizontal measuring method and rotor horizontal adjusting method |
| DE102016121671B3 (en) * | 2016-11-11 | 2018-03-01 | Samson Aktiengesellschaft | Position sensor and positioner with position sensor |
| CN106629525B (en) * | 2016-12-20 | 2022-05-17 | 徐州海伦哲专用车辆股份有限公司 | Slewing device capable of automatically limiting slewing angle of working platform and control method |
| CN109059735B (en) * | 2018-08-24 | 2020-05-12 | 徐工集团工程机械有限公司 | Mechanical equipment angle detection device |
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