CN218297006U - Ground clearance measuring device - Google Patents
Ground clearance measuring device Download PDFInfo
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- CN218297006U CN218297006U CN202221890536.1U CN202221890536U CN218297006U CN 218297006 U CN218297006 U CN 218297006U CN 202221890536 U CN202221890536 U CN 202221890536U CN 218297006 U CN218297006 U CN 218297006U
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- calibration object
- crawler
- ground clearance
- measuring device
- clearance measuring
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Abstract
The utility model belongs to the technical field of the vehicle, concretely relates to ground clearance measuring device, include: a crawler-type traveling mechanism; the calibration object is arranged at the top of the crawler type travelling mechanism and is movably connected with the crawler type travelling mechanism in a mode of changing the height of the top of the calibration object; and a holding mechanism provided between the calibration object and the crawler travel mechanism, the holding mechanism being assembled such that when the calibration object is subjected to an external force having at least a downward component, the top of the calibration object can move downward by the external force, and when the external force disappears, the holding mechanism can hold the top of the calibration object at a height at which the external force disappears. The utility model discloses use crawler-type running gear to carry as the carrier the calibration thing is from the vehicle below process, and the top height of calibration thing is the minimum ground clearance of vehicle promptly, has reduced intensity of labour, also need not to lift up the vehicle simultaneously, has improved measurement of efficiency.
Description
Technical Field
The utility model belongs to the technical field of the vehicle, concretely relates to ground clearance measuring device.
Background
In the vehicle testing stage, the minimum ground clearance of the vehicle under different working conditions such as no load, full load and the like needs to be measured. However, there are generally two measuring methods, one is to use a tool for indirectly intercepting the distance, the physical distance is detected under the vehicle, and finally the distance is measured by a ruler, and the specific operation steps are as follows: the method is characterized in that a vehicle is stopped on a horizontal platform, an operator bends down and sleeps under the vehicle, uses a special tool to probe the lowest point of the vehicle, recovers the standing posture, uses a ruler to measure the lowest point, and measures and averages for multiple times, and the measuring method has the defects that the operation process of the measuring personnel is tired, the efficiency of the whole process is low, the measuring result is different from person to person, and the measuring precision is low; secondly, use rack lift platform to carry out the measurement in kind, specific operation process is: the tested vehicle runs to the rack, the platform is lifted, and the operator manually measures the lowest point (physical manual measurement value).
SUMMERY OF THE UTILITY MODEL
In view of the above shortcomings of the prior art, the present invention provides a ground clearance measuring device, which can reduce labor intensity, improve measuring efficiency, reduce field requirements, and save space cost.
To achieve the above and other related objects, the present invention provides a ground clearance measuring device, including:
a crawler-type traveling mechanism;
the calibration object is arranged at the top of the crawler type travelling mechanism, is movably connected with the crawler type travelling mechanism in a mode of changing the height of the top of the calibration object, and is configured to measure the vertical distance between the top of the calibration object and the ground;
and a holding mechanism provided between the calibration object and the crawler travel mechanism, the holding mechanism being assembled such that when the calibration object is subjected to an external force having at least a downward component, the top of the calibration object can move downward by the external force, and when the external force disappears, the holding mechanism can hold the top of the calibration object at a height at which the external force disappears.
In an optional embodiment of the present invention, the calibration object includes at least one plate, and the calibration object is connected to the crawler-type traveling mechanism through a lifting mechanism.
The utility model discloses an optional embodiment, elevating system includes two cross arrangement's connecting rod, two the middle part of connecting rod is articulated each other, two the one end of connecting rod respectively with crawler-type running gear with the calibration thing is articulated, two the other end of connecting rod respectively along the horizontal direction with crawler-type running gear with calibration thing sliding connection, and two the connecting rod can be respectively around the swing of slip end.
In an optional embodiment of the present invention, one end of the calibration object is provided with a slope inclined downward.
In an optional embodiment of the present invention, a wedge block is disposed on the top surface of the calibration object, and the top inclined plane of the wedge block and the slope surface are in smooth transition.
In an optional embodiment of the present invention, the holding mechanism comprises a damping mechanism disposed between the connecting rod and the calibration object and/or the crawler-type traveling mechanism, the damping mechanism being configured to damp relative movement between the connecting rod and the calibration object and/or the crawler-type traveling mechanism.
In an optional embodiment of the present invention, the calibration object includes a swing rod, and one end of the swing rod is hinged to the crawler-type traveling mechanism.
In an optional embodiment of the present invention, the retaining mechanism includes a one-way locking mechanism disposed at a hinge shaft between the swing link and the crawler-type traveling mechanism, the one-way locking mechanism is configured to enable the swing link to swing downward only and not swing upward, and the one-way locking mechanism is configured to enable manual release of a locked state, so that the swing link can swing upward.
In an optional embodiment of the present invention, the one-way locking mechanism comprises a ratchet mechanism.
In an optional embodiment of the present invention, the holding mechanism further includes a torsion spring, the torsion spring is disposed between the swing rod and the crawler type traveling mechanism, and the torsion spring is configured to have an elastic force capable of driving the swing rod to swing upward.
The technical effects of the utility model reside in that:
the utility model discloses use crawler-type running gear as the carrier, can carry the calibration thing is from vehicle below process, at this in-process, the calibration thing can the downstream in order to dodge the chassis when touching chassis bottom surface, and can keep original height after calibration thing and chassis separation, consequently crawler-type running gear drives the back out from the vehicle below, the top height of calibration thing is the minimum ground clearance of vehicle, measure the minimum ground clearance that just can obtain the vehicle to the height on calibration thing top this moment, operating personnel need not to visit into the vehicle below in the whole measurement process, and the labor intensity is reduced, also need not to lift up the vehicle simultaneously, and the measurement efficiency is improved.
The top crest line of the wedge-shaped block is the top position of the positioning mark, the crest line can accurately reflect the ground clearance of the chassis, meanwhile, the wedge-shaped block provides an accurate reference object for subsequent measurement work, an operator does not need to repeatedly measure the height of each position of the calibration object, and the measurement efficiency is improved.
Drawings
Fig. 1 is a side view of a storage state of a ground clearance measuring device according to an embodiment of the present invention;
fig. 2 is a side view of an extended state of a ground clearance measuring device according to an embodiment of the present invention;
fig. 3 is a plan view of a ground clearance measuring device according to an embodiment of the present invention;
fig. 4 is a schematic diagram of a measurement process of the ground clearance measurement device according to an embodiment of the present invention;
fig. 5 is a side view of a ground clearance measuring device according to another embodiment of the present invention;
FIG. 6 is a top view of the ground clearance measuring device provided in the embodiment shown in FIG. 5;
fig. 7 is an enlarged view of part I of fig. 5.
Detailed Description
The following embodiments of the present invention are provided by way of specific examples, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can be implemented or applied by other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict.
It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention, and the drawings only show the components related to the present invention rather than being drawn according to the number, shape and size of the components in actual implementation, and the form, amount and ratio of the components in actual implementation may be changed arbitrarily, and the layout of the components may be more complicated.
Referring to fig. 1-7, the following detailed description is provided with reference to specific embodiments, the ground clearance measuring device of the present invention is used for measuring the minimum ground clearance of a vehicle, it can be understood that the measurement of the present invention can be direct measurement or indirect measurement, the so-called direct measurement can be, for example, the physical or electrical measuring element arranged on the ground clearance measuring device is used to directly read out the minimum ground clearance of the vehicle, and the so-called indirect measurement can be, for example, firstly used to calibrate the minimum ground clearance of the vehicle, and then measure the minimum ground clearance of the vehicle by measuring the height of the ground clearance measuring device. Minimum ground clearance refer to the chassis bottom of vehicle and be closest to the distance between one or more positions on ground and the ground, this minimum ground clearance can be the ground clearance under the vehicle full load state, also can be the ground clearance under the vehicle unloaded state, or the ground clearance of vehicle under other different load states. The measurement of the ground clearance can directly reflect the trafficability of the vehicle, and the hardness and softness of the suspension system can be calculated by analyzing the ground clearance under different load states.
Referring to fig. 1-7, a ground clearance measuring device includes a crawler-type traveling mechanism 10, a calibration object 20, and a holding mechanism (not shown).
Referring to fig. 1-6, the crawler 10 should include the necessary drive components, such as motors, and the crawler 10 may also include a communication module and a control module for the operator to control the crawler 10; the control can be wireless control or wired control, and an operator can calibrate the minimum ground clearance of the vehicle by controlling the crawler type travelling mechanism 10 to pass through the lower part of the vehicle to be measured through the control handle, so that the labor intensity of the operator is reduced, and the measurement efficiency is improved.
Referring to fig. 1 to 7, the calibration object 20 is mounted on the top of the crawler-type traveling mechanism 10, the calibration object 20 is movably connected with the crawler-type traveling mechanism 10 in a manner that the height of the top of the calibration object 20 can be changed, and the calibration object 20 is configured such that the vertical distance between the top of the calibration object and the ground can be measured; it will be appreciated that the illustrated calibration object 20 is used to calibrate the height of the lowest point 1 of the vehicle chassis, the principle of which is: when the crawler-type traveling mechanism 10 passes under the vehicle, the chassis of the vehicle extrudes the calibration object 20, and the calibration object 20 is further compressed when passing a lower position, so that when the crawler-type traveling mechanism 10 is driven out of the vehicle, the ground clearance of the top end is the ground clearance at the lowest point of the chassis of the vehicle when the calibration object is calibrated.
Referring to fig. 1-7, the holding mechanism is disposed between the calibration object 20 and the crawler unit 10, and is configured such that when the calibration object 20 is subjected to an external force having at least a downward component, the top of the calibration object 20 can move downward by the external force, and when the external force disappears, the holding mechanism can hold the top of the calibration object 20 at a height at which the external force disappears. It can be understood that the retaining mechanism can prevent the calibration object 20 from moving downward under its own weight and prevent the calibration object 20 from rebounding upward, and during the measurement process, the retaining mechanism can only make the calibration object 20 go downward and not go upward, thereby ensuring that the final height of the calibration object 20 can accurately reflect the height of the lowest point of the chassis of the vehicle.
It can be understood that, the utility model discloses use crawler-type running gear 10 as the carrier, can carry calibration 20 passes through from the vehicle below, in this process, calibration 20 can move down in order to dodge the chassis when touching the chassis bottom surface, and can keep at original height after calibration 20 separates with the chassis, consequently crawler-type running gear 10 rolls off the back from the vehicle below, calibration 20's top height is the minimum ground clearance of vehicle promptly, measure the minimum ground clearance that just can obtain the vehicle to the height on calibration 20 top this moment, operating personnel need not to visit the vehicle below in the whole measurement process, and the intensity of labour is reduced, also need not to lift up the vehicle simultaneously, and the efficiency of measurement is improved.
Referring to fig. 1-4, in one embodiment, the calibration object 20 includes at least one plate, and the calibration object 20 is connected to the crawler 10 via a lifting mechanism 30. It will be appreciated that it is possible for the lowest point 1 of the vehicle chassis to be distributed at any position in the width direction, and therefore the plate in this embodiment should have a sufficient width to cover the entire width direction of the vehicle chassis; in addition, the plate-like object has a horizontal top profile at least in the vehicle width direction for the convenience of subsequent measurement; the plate-shaped object in the embodiment is matched with the vehicle chassis, so that the contact area between the plate-shaped object and the vehicle chassis can be increased, the local pressure intensity is reduced, and the scratch of the vehicle chassis caused by the calibration object 20 is avoided.
Referring to fig. 1 to 4, in this embodiment, the lifting mechanism 30 includes two connecting rods 31 that are arranged in a crossing manner, middle portions of the two connecting rods 31 are hinged to each other, one ends of the two connecting rods 31 are respectively hinged to the crawler type traveling mechanism 10 and the calibration object 20, the other ends of the two connecting rods 31 are respectively connected to the crawler type traveling mechanism 10 and the calibration object 20 in a sliding manner along a horizontal direction, and the two connecting rods 31 can respectively swing around the sliding ends. Specifically, the sliding end of the connecting rod 31 may be provided with a guide pin, for example, and the target 20 and the crawler travel mechanism 10 may be provided with a horizontal waist-shaped hole, for example, through which the guide pin is inserted, so that the relative sliding between the connecting rod 31 and the target 20 and the crawler travel mechanism 10 is achieved, and the connecting rod 31 can swing along the axis of the guide pin.
Referring to fig. 1-4, one end of the calibration object 20 is provided with a slope 21 that is arranged in a downward inclination, in this embodiment, the slope 21 is located in front of the moving direction of the crawler type traveling mechanism 10, and the slope 21 can prevent the vehicle edge or the protruding portion of the chassis from horizontally blocking the calibration object 20, so as to ensure that the calibration object 20 can always move downward under the squeezing action of the chassis.
Referring to fig. 1-4, a wedge block 22 is disposed on the top surface of the calibration object 20, and a top inclined surface of the wedge block 22 is in smooth transition with the inclined surface 21, it can be understood that a top ridge of the wedge block 22 is a top end position of the calibration object, the ridge can accurately reflect a ground clearance of the chassis, and the wedge block 22 provides an accurate reference object for subsequent measurement, so that an operator does not need to repeatedly measure heights of various positions of the calibration object 20, thereby improving measurement efficiency.
Referring to fig. 1-4, the retaining mechanism includes a damping mechanism disposed between the linkage 31 and the target 20 and/or the tracked undercarriage 10, the damping mechanism configured to damp relative movement between the linkage 31 and the target 20 and/or the tracked undercarriage 10. In this embodiment, the damping mechanism may be, for example, a friction block (not shown) disposed beside the rotating shaft between the connecting rod 31 and the calibration object 20 or the crawler-type traveling mechanism 10, the friction block is attached to the rotating shaft to provide friction resistance, and the friction force between the damping mechanism and the rotating shaft is utilized to generate a certain resistance in the rotating process of the rotating shaft, so as to prevent the calibration object 20 from moving downward under the action of its own gravity.
Referring to fig. 5-7, in another embodiment, the calibration object 20 includes a swing link 40, and one end of the swing link 40 is hinged to the crawler-type traveling mechanism 10. In the present embodiment, the holding mechanism includes a one-way locking mechanism provided at a hinge shaft between the swing link 40 and the crawler travel mechanism 10, the one-way locking mechanism is configured to enable only downward swinging of the swing link 40 and not upward swinging, and the one-way locking mechanism is configured to enable manual release of a locked state to enable upward swinging of the swing link 40.
Referring to fig. 7, in this embodiment, the unidirectional locking mechanism includes a ratchet mechanism, for example, the ratchet mechanism may include a ratchet wheel 41 fixedly connected to the rotating shaft of the swing link 40, and a pawl 42 rotatably connected to the top bracket of the crawler type traveling mechanism 10, the pawl 42 is engaged with the ratchet wheel 41 to enable the swing link 40 to swing only in one direction, and further, in order to avoid the pawl 42 being disengaged from the ratchet wheel 41, a tension spring (not shown) may be disposed between the pawl 42 and the top bracket of the crawler type traveling mechanism 10, and an elastic force of the tension spring causes the pawl 42 to be always attached to a surface of the ratchet wheel 41. It should be noted that, in order to enable the swing link 40 to be reset to the upright position before the next use, the pawl 42 should be manually operated to move away from the ratchet wheel 41, for example, to place the pawl 42 in the exposed position, or to provide a corresponding knob or lever (not shown) on the pawl 42.
In this embodiment, the retaining mechanism further includes a torsion spring (not shown) disposed between the swing link 40 and the crawler unit 10, and the torsion spring is configured to have a spring force capable of driving the swing link 40 to swing upward. It will be appreciated that the torsion spring prevents the swing link 40 from swinging downward under its own weight.
To sum up, the utility model discloses use crawler-type running gear 10 as the carrier, can carry calibration 20 passes through from the vehicle below, at this in-process, calibration 20 can the downstream in order to dodge the chassis when touching the chassis bottom surface, and can keep original height after calibration 20 separates with the chassis, consequently crawler-type running gear 10 rolls off the back from the vehicle below, the top height of calibration 20 is the minimum ground clearance of vehicle promptly, highly measuring the minimum ground clearance that just can obtain the vehicle on calibration 20 top this moment, operating personnel need not to visit the vehicle below in the whole measurement process, and intensity of labour is reduced, also need not to lift up the vehicle simultaneously, has improved measurement efficiency.
The top crest line of the wedge-shaped block 22 is the top end position of the mark location, the crest line can accurately reflect the ground clearance of the chassis, meanwhile, the wedge-shaped block 22 is set to provide an accurate reference object for subsequent measurement, an operator does not need to repeatedly measure the height of each position of the calibration object 20, and the measurement efficiency is improved.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Any person skilled in the art can modify or change the above embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention shall be covered by the claims of the present invention.
In the description herein, numerous specific details are provided, such as examples of components and/or methods, to provide a thorough understanding of embodiments of the invention. One skilled in the relevant art will recognize, however, that an embodiment of the invention can be practiced without one or more of the specific details, or with other apparatus, systems, assemblies, methods, components, materials, parts, and/or the like. In other instances, well-known structures, materials, or operations are not specifically shown or described in detail to avoid obscuring aspects of embodiments of the invention.
Reference throughout this specification to "one embodiment," "an embodiment," or "particular embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the present invention, and not necessarily in all embodiments. Thus, respective appearances of the phrases "in one embodiment," "in an embodiment," or "in a specific embodiment" in various places throughout this specification are not necessarily referring to the same embodiment. Furthermore, the particular features, structures, or characteristics of any specific embodiment of the present invention may be combined in any suitable manner with one or more other embodiments. It is to be understood that other variations and modifications of the embodiments of the invention described and illustrated herein are possible in light of the teachings herein and are to be considered as part of the spirit and scope of the present invention.
It will also be appreciated that one or more of the elements shown in the figures can also be implemented in a more separated or integrated manner, or even removed for inoperability in some circumstances or provided for usefulness in accordance with a particular application.
Additionally, any reference arrows in the drawings/figures should be considered only as exemplary, and not limiting, unless otherwise expressly specified. Further, as used herein, the term "or" is generally intended to mean "and/or" unless otherwise indicated. Combinations of components or steps will also be considered as being noted where terminology is foreseen as rendering the ability to separate or combine is unclear.
As used in the description herein and throughout the claims that follow, "a," "an," and "the" include plural references unless otherwise indicated. Also, as used in the description herein and throughout the claims that follow, the meaning of "in \8230; includes" in 8230; and "on \8230; unless otherwise indicated.
The above description of illustrated embodiments of the invention, including what is described in the abstract of the specification, is not intended to be exhaustive or to limit the invention to the precise forms disclosed herein. While specific embodiments of, and examples for, the invention are described herein for illustrative purposes only, various equivalent modifications are possible within the spirit and scope of the present invention, as those skilled in the relevant art will recognize and appreciate. As noted, these modifications may be made to the present invention in light of the foregoing description of illustrated embodiments of the invention and are to be included within the spirit and scope of the present invention.
The system and method have been described herein in general terms as providing details to facilitate the understanding of the invention. Furthermore, various specific details have been given to provide a general understanding of the embodiments of the invention. One skilled in the relevant art will recognize, however, that an embodiment of the invention can be practiced without one or more of the specific details, or with other apparatus, systems, assemblies, methods, components, materials, parts, and/or the like. In other instances, well-known structures, materials, and/or operations are not specifically shown or described in detail to avoid obscuring aspects of embodiments of the present invention.
Thus, although the present invention has been described herein with reference to particular embodiments thereof, freedom of modification, various changes and substitutions are also within the foregoing disclosure, and it should be understood that in some instances some features of the present invention will be employed without a corresponding use of other features without departing from the scope and spirit of the present invention as set forth. Accordingly, many modifications may be made to adapt a particular situation or material to the essential scope and spirit of the present invention. It is intended that the invention not be limited to the particular terms used in following claims and/or to the particular embodiment disclosed as the best mode contemplated for carrying out this invention, but that the invention will include any and all embodiments and equivalents falling within the scope of the appended claims. Accordingly, the scope of the invention is to be determined solely by the appended claims.
Claims (10)
1. A ground clearance measuring apparatus, comprising:
a crawler-type traveling mechanism;
the calibration object is arranged at the top of the crawler type travelling mechanism, is movably connected with the crawler type travelling mechanism in a mode of changing the height of the top of the calibration object, and is configured that the vertical distance between the top of the calibration object and the ground can be measured;
and a holding mechanism provided between the calibration object and the crawler travel mechanism, the holding mechanism being assembled such that when the calibration object is subjected to an external force having at least a downward component, the top of the calibration object can move downward by the external force, and when the external force disappears, the holding mechanism can hold the top of the calibration object at a height at which the external force disappears.
2. A ground clearance measuring device according to claim 1, wherein the calibration object comprises at least one plate, and the calibration object is connected with the crawler-type traveling mechanism by a lifting mechanism.
3. The ground clearance measuring device according to claim 2, wherein the lifting mechanism comprises two connecting rods arranged in a crossed manner, the middle parts of the two connecting rods are hinged to each other, one ends of the two connecting rods are respectively hinged to the crawler-type travelling mechanism and the calibration object, the other ends of the two connecting rods are respectively connected with the crawler-type travelling mechanism and the calibration object in a sliding manner along a horizontal direction, and the two connecting rods can respectively swing around the sliding ends.
4. A ground clearance measuring device according to claim 2, wherein one end of the calibration object is provided with a slope surface arranged to be inclined downward.
5. A ground clearance measuring device according to claim 4, wherein a wedge is provided on the top surface of the calibration object, and the top slope of the wedge is in smooth transition with the slope surface.
6. A ground clearance measuring apparatus according to claim 3, wherein the retaining mechanism comprises a damping mechanism provided between the link and the target and/or the crawler track, the damping mechanism being configured to damp relative movement between the link and the target and/or the crawler track.
7. A ground clearance measuring device according to claim 1, wherein said calibration object comprises a swing link, one end of which is hinged with said crawler-type traveling mechanism.
8. The ground clearance measuring device according to claim 7, wherein the holding mechanism includes a one-way latch mechanism provided at a hinge shaft between the swing link and the crawler type traveling mechanism, the one-way latch mechanism is configured to allow only downward swing and not upward swing of the swing link, and the one-way latch mechanism is configured to enable manual release of a latched state to allow upward swing of the swing link.
9. A ground clearance measuring device according to claim 8, wherein the one-way locking mechanism comprises a ratchet mechanism.
10. The ground clearance measuring device of claim 9, wherein the retaining mechanism further comprises a torsion spring disposed between the swing link and the crawler-type traveling mechanism, and the torsion spring is configured such that its elastic force can drive the swing link to swing upward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221890536.1U CN218297006U (en) | 2022-07-22 | 2022-07-22 | Ground clearance measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221890536.1U CN218297006U (en) | 2022-07-22 | 2022-07-22 | Ground clearance measuring device |
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| Publication Number | Publication Date |
|---|---|
| CN218297006U true CN218297006U (en) | 2023-01-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221890536.1U Active CN218297006U (en) | 2022-07-22 | 2022-07-22 | Ground clearance measuring device |
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| CN (1) | CN218297006U (en) |
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- 2022-07-22 CN CN202221890536.1U patent/CN218297006U/en active Active
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