CN113933080B - Engineering machine tool driver's cabin H point calibration device - Google Patents
Engineering machine tool driver's cabin H point calibration device Download PDFInfo
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- CN113933080B CN113933080B CN202111134741.5A CN202111134741A CN113933080B CN 113933080 B CN113933080 B CN 113933080B CN 202111134741 A CN202111134741 A CN 202111134741A CN 113933080 B CN113933080 B CN 113933080B
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- 238000000034 method Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims 1
- 210000002414 leg Anatomy 0.000 description 24
- 238000005259 measurement Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000012780 transparent material Substances 0.000 description 2
- -1 acryl Chemical group 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012482 calibration solution Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000000689 upper leg Anatomy 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M99/00—Subject matter not provided for in other groups of this subclass
- G01M99/005—Testing of complete machines, e.g. washing-machines or mobile phones
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- General Physics & Mathematics (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The invention discloses an engineering machinery cab H point calibration device, which comprises a base, an adjusting mechanism, a fixed upright post and a positioning mechanism; the adjustable connection of adjustment mechanism and base for make the base locate the driver's cabin steadily, the fixed column is located on the base, positioning mechanism is adjustable with the base and is connected for the location engineering machine tool driver's cabin footboard heel, be equipped with on the fixed column and be used for carrying out the H point calibration board of demarcating to engineering machine tool driver's cabin H point. The H point calibration device for the engineering machinery cab provided by the invention has the advantages of small volume, convenience in carrying, multiple degrees of freedom in adjustment, large adjustment stroke and the like, can meet the requirements of calibrating H points of different vehicle types, and has the advantages of wide application range and low cost.
Description
Technical Field
The invention relates to an engineering machinery cab H point calibration device, and belongs to the technical field of engineering machinery cab indoor measurement.
Background
In the process of engineering machinery bid matching analysis, man-machine theoretical design and real-time subjective evaluation consistency analysis and verification, the relation between the actual H point positions of the 5 th, 50 th and 95 th percent percentile human bodies and theoretical design positions needs to be determined rapidly, accurately and efficiently, so that related parameters of the bid product and the man-machine engineering design hard point of the self-grinding product are obtained.
At present, the device for calibrating the H point position provided in the prior art has the problems of large volume, large weight, difficult carrying, unobvious theoretical and actual comparison results and the like, and the device for calibrating the H point position has no light and portable H point position capable of rapidly and accurately judging the difference between the theoretical and actual H point position of a product.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides an auxiliary measuring device for H points of a cab of engineering machinery, which has the advantages of small volume, convenience in carrying, multiple degrees of freedom in adjustment, large adjustment stroke and the like, and can meet the requirements for calibrating the H points of different vehicle types.
In order to solve the technical problems, the invention is realized by adopting the following technical scheme:
The invention provides an engineering machinery cab H point calibration device, which comprises a base, an adjusting mechanism, a fixed upright post and a positioning mechanism;
The adjustable connection of adjustment mechanism and base for make the base locate the driver's cabin steadily, the fixed column is located on the base, positioning mechanism is adjustable with the base and is connected for the location engineering machine tool driver's cabin footboard heel, be equipped with on the fixed column and be used for carrying out the H point calibration board of demarcating to engineering machine tool driver's cabin H point.
As a preferred embodiment, the positioning mechanism comprises an AHP point positioning plate, and the AHP point positioning plate is detachably connected with the base.
As a preferred embodiment, the positioning mechanism further comprises a positioning seat, and the AHP point positioning plate is connected with the base through the positioning seat.
As a preferred embodiment, the adjusting mechanism comprises two groups of adjusting legs which are oppositely arranged, and the two groups of adjusting legs are detachably connected with the base.
As a preferred implementation mode, the adjusting support leg is provided with a plurality of first through holes, the base is provided with second through holes corresponding to the first through holes, and the adjusting support leg penetrates through the first through holes and the second through holes through bolts to be detachably connected with the base.
As a preferred embodiment, the adjusting leg comprises a first support plate, a second support plate connected with the first support plate and a third support plate connected with the second support plate, and the first support plate is detachably connected with the base.
As a preferred implementation mode, the base is also provided with a level meter, and the third support plate is provided with an adjusting bolt; the adjusting bolt is matched with the level gauge and used for realizing levelness adjustment of the calibration device.
As a preferred embodiment, the device further comprises a base, wherein the base is arranged on the base, and the base is connected with the fixed upright post.
As a preferred implementation mode, the H point calibration plate is provided with a reference line and a sitting posture comfort line.
As a preferred embodiment, the H point calibration plate is made of transparent materials.
Compared with the prior art, the invention has the beneficial effects that:
1. The invention provides an engineering machinery cab H point calibration device which comprises a base, an adjusting mechanism, a fixed upright post and a positioning mechanism; the adjusting mechanism is connected with the base in an adjustable mode, the fixed upright is arranged on the base, the positioning mechanism is connected with the base in an adjustable mode, and the fixed upright is provided with an H point calibration plate used for calibrating an H point of a cab of the engineering machinery. The H point calibration device for the engineering machinery cab provided by the invention has the advantages of small volume, convenience in carrying, multiple degrees of freedom in adjustment, large adjustment stroke and the like, can meet the requirements of calibrating H points of different vehicle types, and has the advantages of wide application range and low cost.
2. The H point calibration device for the engineering machinery cab provided by the invention can complete assembly, adjustment and measurement calibration work by only one person, and greatly improves the timeliness of the calibration work. In addition, the base, the AHP point positioning plate, the adjusting support leg, the H point calibration plate, the leveling bolt and other components are designed with adjustable positions, and can be adjusted according to the size of the cab space so as to improve the applicability of the device. Meanwhile, the level gauge is arranged in the device, so that the overall level state of the device can be adjusted at any time in the positioning process of the device, and the accuracy of data calibration is effectively ensured.
Drawings
FIG. 1 is a schematic structural diagram of an engineering machinery cab H point calibration device provided by an embodiment of the invention;
Fig. 2 is a schematic diagram of the position of an H point to be calibrated of the H point calibration device of the cab of the engineering machinery according to the embodiment of the invention;
FIG. 3 is an enlarged view of a positioning mechanism in an H point calibration device of a cab of an engineering machine, which is provided by an embodiment of the invention;
FIG. 4 is a schematic structural diagram of an engineering machinery cab H point calibration device and an H point device in cooperation for use according to an embodiment of the present invention;
In the figure: 1. a base; 11. a second through hole; 12. a third through hole; 2. an adjusting mechanism; 21. adjusting the support leg; 211. a first support plate; 212. a second support plate; 213. a third support plate; 22, a first through hole; 23. leveling bolts; 3. fixing the upright post; 4. a positioning mechanism; 41. AHP point positioning plate; 42. a positioning seat; 43. a chute; 5. An H point calibration plate; 51. a reference line; 52. comfortable sitting posture line; 6. a level gauge; 7. a base; 8. a bolt; 9. a point H; 10. and H point device.
Detailed Description
The invention is further described below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present invention, and are not intended to limit the scope of the present invention.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art in a specific case.
The invention provides an H point calibration device for an engineering machinery cab, referring to fig. 1, which comprises a base 1, an adjusting mechanism 2, a fixed upright post 3, a positioning mechanism 4 and an H point calibration plate 5.
It should be understood by those skilled in the art that the H point, i.e., the shoulder point, in the description of the present invention refers to the hinge point of the human body trunk and the thigh: when determining the geometric relationship of the human-computer interface inside the automobile body or the cab, the person skilled in the art often uses this point as the positioning reference of the human body, please refer to fig. 2. When the actual position of the H point of the driver is calibrated, the H point calibration device of the engineering machinery cab is used together with the H point device specified in the SAE standard, and the calibration of the actual position of the H point of the driver can be realized.
Specifically, in this embodiment, the adjusting mechanism 2 is connected to the base 1, and as a preferred embodiment, the adjusting mechanism 2 is detachably connected to the base 1. Specifically, the adjusting mechanism 2 includes two sets of adjusting legs 21 that are disposed opposite to each other, the adjusting legs 21 include a first support plate 211, a second support plate 212, and a third support plate 213, the first support plate 211 is fixedly connected with the second support plate 212, the second support plate 212 is fixedly connected with the third support plate 213, and the first support plate 211 is used for being disposed on the base 1.
In order to enable the construction machine cab H-site calibration device to be stably installed in the construction machine cab, the position of the adjusting leg 21 on the base 1 can be adjusted, that is, the installation position of the first support plate 211 on the base 1 can be adjusted.
As a preferred embodiment, the adjusting leg 21 is provided with a plurality of first through holes 22, the base 1 is provided with a second through hole 11 corresponding to the first through holes 22, and the adjusting leg 21 penetrates through the first through holes 22 and the second through holes 11 through bolts 8 to be detachably connected with the base 1. In detail, the first support plate 211 is provided with four first through holes 22, the upper surface of the base 1 is provided with two second through holes 11, and the first support plate 211 penetrates through the first through holes 22 and the second through holes 11 through the fastening bolts 8 to be connected with the base 1. It should be noted that the number of the first through holes 22 and the second through holes 11 may be set according to actual needs, for example, the number of the first through holes 22 on the first support plate 211 may be three or two, and the number of the second through holes 11 may be correspondingly set three or five or more.
In this case, the lengths of the first support plate 211 and the base 1 may be set according to actual needs, so long as the engineering machine cab H-point calibration device can be stably installed in the engineering machine cab.
In this embodiment, the first through hole 22 is a oblong hole, and when the adjusting leg 21 needs to be adjusted, the moving range of the first support plate 211 moves in the oblong hole by moving the adjusting leg 21. That is, when the first through hole 22 is oblong, it is possible to satisfy a small-range adjustment of the first support plate 211 on the base 1 by sliding the first support plate 211 left and right. The first support plate 211 can be replaced into another oblong hole by a person skilled in the art, so that the movement of the adjusting support leg 21 relative to the base 1 is realized, and the adjustment of the engineering machinery cab H point calibration device is realized, so that the adjustment of space requirements of different cabs is met.
It should be noted that, the distance between the two adjusting legs 21 can also be adjusted according to different requirements, and an operator can adjust the two adjusting legs 21 back and forth according to the size of the inner space, so as to improve the applicability of the device. As described above, the number of the adjusting legs 21 may be three, and the adjusting legs 21 may be composed of only two support plates, so long as the supporting base 1 can be stabilized, and other shapes and numbers may be changed within the scope of the present invention.
The fixed upright post 3 is arranged on the base 1, and the fixed upright post 3 is detachably connected with the base 1. In this embodiment, the calibration device for the H-point of the cab of the engineering machine further comprises a base 7, wherein the base 7 is arranged on the base 1, the base 7 can be fixedly connected with the fixed upright 3, and when the position of the fixed upright 3 needs to be adjusted, the position of the base 7 on the base 1 can be adjusted, so that the purpose of adjusting the position of the fixed upright 3 can be achieved. Specifically, the base 7 is fixed on the base 1 through the fastening bolt 8, and an operator can adjust the connection position of the base 7 and the bolt 8 on the base 1 according to the size of the inner space of the cab of the engineering machine, so that the position adjustment of the fixed upright post 3 in the horizontal left-right direction is realized, and the device can still be normally used in a smaller space.
It should be noted that, the horizontal left and right positions of the fixed upright post 3 need to be adjusted according to the relative positions of the H-point calibration plate 5 and the H-point marking point in the H-point device, so as to ensure that the H-point calibration plate 5 can be as close to the H-point marking point as possible, and improve the accuracy of data reading.
In this embodiment, the H-point calibration plate 5 is detachably connected to the fixed upright 3. Specifically, the fixed upright 3 is connected with the H-point calibration plate 5 through a fastening bolt 8 and is used for supporting the H-point calibration plate 5. It should be understood that the person skilled in the art may also fixedly connect the H-point calibration plate 5 to the stationary upright 3.
The positioning mechanism 4 is adjustably connected with the base 1, the positioning mechanism 4 comprises an AHP point positioning plate 41, and the AHP point positioning plate 41 is used for positioning the heel point of the pedal of the cab of the engineering machinery. In the AHP point positioning plate 41, the AHP point is AcceleratorHeel Point, which is an abbreviation of a pedal heel point. Preferably, the AHP point positioning plate 41 is detachably connected to the base 1. More preferably, the positioning mechanism 4 further includes a positioning seat 42, a sliding groove 43 is formed on the positioning seat 42, referring to fig. 3, a plurality of third through holes 12 are formed on a side surface of the base 1, and the positioning seat 42 can be connected with the base 1 by installing bolts 8 in the sliding groove 43 and the third through holes 12, in this case, the AHP point positioning plate 41 is connected with the base 1. Preferably, the sliding groove 43 is oblong, when the position of the AHP point positioning plate 41 needs to be adjusted, two bolts 8 can be installed in the sliding groove 43, the distance between the two bolts 8 is smaller than the maximum distance of the sliding groove 43, and when the position of the AHP point positioning plate 41 is adjusted, the movement of the AHP point positioning plate 41 can be realized only by moving the position of the sliding groove 43. Note that, the AHP point positioning plate 41 may be integrally formed with the positioning seat 42.
When the AHP positioning plate 41 needs to be adjusted, the position of the positioning seat 42 can be adjusted to enable the front end of the AHP positioning plate 41 to be abutted against the heel point of the pedal of the engineering machinery cab (namely, the AHP point of the accelerator pedal), so as to meet the requirements of H-point calibration of different vehicle types. That is, a small-range left-right adjustment can be satisfied by sliding the AHP point positioning plate 41 left-right.
The shapes of the first through hole 22, the second through hole 11, and the third through hole 12 may be circular or oblong, and the present invention is not limited herein.
The H-point calibration board 5 has a sitting posture comfort line 52 engraved on its surface for determining the position of the H-point and an X-direction and Z-direction dimension reference line 51 for reading positioning data, referring to fig. 4, the reference line 51 is provided with scale values, and an operator can read the coordinate position of the H-point 9 on the H-point calibration board 5 on the H-point device 10.
In order to facilitate reading the data of the distance from the actual H-point to the AHP point in the X-direction and the Z-direction, as a preferred embodiment, the H-point calibration plate 5 is made of a transparent material, and more preferably, the H-point calibration plate 5 is made of an acryl material, but it should be understood by those skilled in the art that the H-point calibration plate 5 may be replaced by other materials, and the present invention is not limited thereto.
In this embodiment, in order to ensure the measurement accuracy of the device, the calibration device for the H point of the cab of the engineering machinery further includes a level gauge 6, where the level gauge 6 is disposed on the side surface of the base 1, and is used for observing the horizontal numerical value of the device. The rear end of the adjusting supporting leg 21 is provided with a leveling bolt 23, specifically, the leveling bolt 23 is arranged on the third supporting plate 213, and the adjusting bolt 23 is matched with the level gauge 6 and used for realizing levelness adjustment of the calibration device.
In the positioning process of the device, the leveling bolts 23 can be adjusted at any time to enable the device to be in a horizontal state, so that the accuracy of data calibration is ensured.
When the device is assembled, the base 1 is first placed on the floor of the cab so that the base 1 supports the entire device. The fixing upright post 3 and the AHP point locating plate 41 are arranged on the base 1, the H point calibration plate 5 is arranged on the fixing upright post 3, after the H point calibration plate 5 is arranged, the H point calibration requirements of corresponding vehicle types can be met by adjusting the two adjusting support legs 21, the fixing upright post 3, the AHP point locating plate 41 and the H point calibration plate 5, namely the AHP point locating plate 41 can be abutted with the pedal heel point of the cab of the engineering machinery, the adjusting support legs 21 can ensure the stability of the device, and the setting positions of the fixing upright post 3 and the H point calibration plate 5 can meet the H point calibration requirements of corresponding vehicle types. At the same time, the level gauge 6 is observed to show whether the device is horizontal, and if the device is not horizontal, the leveling bolt 23 is adjusted to enable the device to reach a horizontal state.
When the device is used, the base 1, the AHP point positioning plate 41 and the adjusting support leg 21 are connected through the fastening bolt 8, the position of the pedal heel point of the engineering machinery cab is determined, marking is carried out, and then the tip of the AHP point positioning plate 41 is overlapped with the pedal heel point of the engineering machinery cab of a real vehicle, so that the initial positioning of the device is completed. And secondly, adjusting the leveling bolts 23 and observing display data on the level gauge 6 to adjust the whole device to be in a horizontal state. And finally, marking the position of the mark point of the H point 9 in the H point device 10 on the H point calibration plate 5, reading and recording the mark position data on the H point calibration plate 5, and finishing the H point calibration. The operator can also quickly judge whether the H point 9 is in the sitting posture comfort line 52 and the reference line 51 by reading the marked position data on the H point calibration plate 5.
The H point calibration device for the engineering machinery cab provided by the invention has the advantages of simple structure, light weight, detachability, easiness in assembly, convenience in carrying and the like, and solves the problems of large volume, large weight, complex operation and the like of the positioning device in the existing human H point calibration solution.
The invention can complete the assembly, adjustment and measurement calibration work by only one person, thereby greatly improving the timeliness of the calibration work. In addition, the base 1, the AHP positioning plate 41, the adjusting support leg 21, the H-point calibration plate 5 and other components in the invention are designed with adjustable positions, and can be adjusted according to the size of the cab space so as to improve the applicability of the device.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that modifications and variations could be made by those skilled in the art without departing from the technical principles of the present invention, and such modifications and variations should also be regarded as being within the scope of the invention.
Claims (1)
1. The method is characterized in that an engineering machinery cab H point calibration device is adopted; the method comprises the following steps:
connecting a base, an AHP point positioning plate and an adjusting supporting leg, determining the position of a pedal heel point of an engineering machinery cab, marking, and then overlapping the tip of the AHP point positioning plate with the pedal heel point of the engineering machinery cab of a real vehicle to finish the initial positioning of the device; the device is integrally adjusted to be in a horizontal state by adjusting the leveling bolt and observing display data on the level; finally, marking the position of an H point marking point in the H point marking device on an H point marking plate, reading and recording marking position data on the H point marking plate, and finishing the H point marking;
The H point calibration device of the engineering machinery cab comprises an H point calibration plate, a base, an adjusting mechanism, a fixed upright post, a positioning mechanism and a base;
The H point calibration plate is used for calibrating H points of the engineering machinery cab; the H point calibration plate is provided with a sitting posture comfort line for judging the position of the H point and a size reference line for reading positioning data; the H point calibration plate is made of acrylic materials; the base is also provided with a level gauge which is arranged on the side surface of the base and used for observing the level value of the device; the rear end of the adjusting supporting leg is provided with a leveling bolt, the leveling bolt is arranged on the third supporting plate, and the leveling bolt is matched with the level gauge and is used for realizing levelness adjustment of the calibration device;
The fixed upright post is connected with the H point calibration plate through a fastening bolt and is used for supporting the H point calibration plate; the fixed upright post is arranged on the base, the fixed upright post is detachably connected with the base, and the positioning mechanism is adjustably connected with the base and is used for positioning the heel point of the pedal of the cab of the engineering machinery; the base is fixed on the base through a fastening bolt and is fixedly connected with the fixed upright post; the adjusting mechanism is in adjustable connection with the base and is used for enabling the base to be stably arranged in the cab, and the adjusting mechanism comprises two groups of adjusting support legs which are oppositely arranged and are detachably connected with the base; the adjusting support leg comprises a first support plate, a second support plate connected with the first support plate and a third support plate connected with the second support plate, and the first support plate is detachably connected with the base;
The adjusting support leg is provided with a plurality of first through holes, the base is provided with second through holes corresponding to the first through holes, and the adjusting support leg penetrates through the first through holes and the second through holes through bolts to be detachably connected with the base; the first through hole is a slotted hole;
The positioning mechanism comprises an AHP point positioning plate which is detachably connected with the base; the positioning mechanism further comprises a positioning seat, and the AHP point positioning plate is connected with the base through the positioning seat; the AHP point locating plate is used for locating the heel point of the pedal of the cab of the engineering machinery;
The positioning seat is connected with the base by installing bolts in the sliding groove and the third through holes, the sliding groove is in an oblong shape, two bolts are installed in the sliding groove, and the distance between the two bolts is smaller than the maximum distance of the sliding groove; the AHP point locating plate and the locating seat are integrally formed.
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| CN202111134741.5A CN113933080B (en) | 2021-09-27 | 2021-09-27 | Engineering machine tool driver's cabin H point calibration device |
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| CN202111134741.5A CN113933080B (en) | 2021-09-27 | 2021-09-27 | Engineering machine tool driver's cabin H point calibration device |
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| CN113933080A CN113933080A (en) | 2022-01-14 |
| CN113933080B true CN113933080B (en) | 2024-05-31 |
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