CN210638847U - Novel experimental centre gripping of inertia measurement device - Google Patents
Novel experimental centre gripping of inertia measurement device Download PDFInfo
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- CN210638847U CN210638847U CN201921651762.2U CN201921651762U CN210638847U CN 210638847 U CN210638847 U CN 210638847U CN 201921651762 U CN201921651762 U CN 201921651762U CN 210638847 U CN210638847 U CN 210638847U
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Abstract
The utility model provides a novel clamping device for a rotational inertia measurement test, which comprises a base, a mobile unit and a supporting unit; the base is provided with a moving unit and is arranged on the bracket; the mobile unit comprises a first sub-mobile unit and a second sub-mobile unit which are arranged in parallel, and the installation positions of the first sub-mobile unit and the second sub-mobile unit on the base are adjustable; the first sub-moving unit and the second sub-moving unit are provided with supporting units; the supporting unit comprises a plurality of sub-supporting units arranged on the first sub-moving unit and the second sub-moving unit, and the installation positions of the sub-supporting units on the first sub-moving unit and the second sub-moving unit can be adjusted; the mounting units are mounted on the plurality of sub-supporting units. Novel inertia measurement test clamping device, can add irregular objects such as power assembly, driver's cabin and hold, make things convenient for the measurement of the follow-up inertia parameter of these irregular objects.
Description
Technical Field
The utility model belongs to the automobile field especially relates to a novel experimental centre gripping of inertia measurement device.
Background
The method for accurately measuring the rotational inertia parameters of the object has important significance for system dynamics analysis and subsequent development and verification of samples. When the moment of inertia of medium and large irregular rigid bodies such as a power assembly and a cabin body of a cab is measured, a falling body test method based on rotation around a fixed axis, a numerical calculation method based on a CAD model, a runout test method based on vibration around the fixed axis, a parameter identification method based on experimental modal analysis and the like are mostly adopted. Due to the difference of the application range and the testing principle of the method, the rotational inertia numerical value of the measured object has the characteristics of poor consistency, strong uncertainty, poor accuracy and the like, and the measurement error exceeds 10 percent. If a measurement value with higher precision needs to be obtained, the current value needs to be further corrected, and finally the measurement precision is improved by no more than 30%.
Meanwhile, the whole vehicle inertia measurement system with the nominal error smaller than 1.5% is only suitable for the clamped object to be measured, and can not effectively measure irregular objects such as a power assembly or a cab window without flanging clamping.
In order to effectively solve the above problems, a device capable of accurately measuring the rotation inertia of an irregular object (a power assembly, a cab cabin and the like) is needed.
Disclosure of Invention
In view of this, the utility model aims at providing a novel inertia measures experimental centre gripping device to overcome prior art's defect, can add to irregular objects such as drive assembly, driver's cabin and hold, make things convenient for the measurement of the follow-up inertia parameter of these irregular objects.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
a novel clamping device for a rotational inertia measurement test comprises a base, a moving unit and a supporting unit;
the base is provided with a moving unit and is arranged on the bracket;
the mobile unit comprises a first sub-mobile unit and a second sub-mobile unit which are arranged in parallel, and the installation positions of the first sub-mobile unit and the second sub-mobile unit on the base are adjustable; the first sub-moving unit and the second sub-moving unit are provided with supporting units;
the supporting unit comprises a plurality of sub-supporting units arranged on the first sub-moving unit and the second sub-moving unit, and the installation positions of the sub-supporting units on the first sub-moving unit and the second sub-moving unit can be adjusted; the mounting units are mounted on the plurality of sub-supporting units.
Further, the first sub-mobile unit and the second sub-mobile unit are both detachably mounted on the top of the base.
Furthermore, the first sub-mobile unit and the second sub-mobile unit are detachably mounted on the top of the base through a plurality of fixing units and bolts.
Furthermore, the base is of a square structure, and the top, the bottom and the side wall of the base are provided with two first sliding grooves which are parallel to each other and are arranged in a circle along the circumferential direction; the fixed unit is a hollow right-angled triangle shell with an opened bevel edge part, and a plurality of mounting holes are formed in the side wall corresponding to the right-angled meter.
Furthermore, the two ends of the first sub-moving unit and the two ends of the second sub-moving unit are respectively provided with a fixing unit at the two sides corresponding to the base, the two fixing units are connected with the first sub-moving unit or the second sub-moving unit through bolts at the same side, and the other side is fixedly connected with the top of the base through a plurality of bolts capable of inserting the two first sliding grooves.
Furthermore, the first sub-moving unit and the second sub-moving unit have the same structure and are guide rails with second sliding grooves formed in the periphery.
Furthermore, the plurality of sub-supporting units are uniformly distributed at the tops of the first sub-moving unit and the second sub-moving unit; and the plurality of sub-supporting units are fixed on the first sub-moving unit or the second sub-moving unit through a plurality of bolts which can be inserted into the second sliding grooves.
Furthermore, each of the plurality of sub-supporting units comprises a flat plate and a vertical part; the vertical part is fixedly connected to a flat plate, and the flat plate is fixed on the first sub-moving unit or the second sub-moving unit through bolts.
Furthermore, the mounting units are a plurality of vertical plates, and mounting holes are formed in the vertical plates; the number of the vertical plates is equal to that of the sub-supporting units, and the vertical plates are welded at the upper end of one sub-supporting unit respectively.
Compared with the prior art, a novel experimental centre gripping of inertia measurement device have following advantage:
(1) novel experimental centre gripping of inertia measurement device, adopt the mobilizable first sub mobile unit of relative position, the sub mobile unit of second, also a plurality of sub supporting units that relative position can move on first sub mobile unit and the sub mobile unit of second can be used to add of irregular objects such as power assembly, driver's cabin and hold, make things convenient for the measurement of the follow-up inertia parameter of these irregular objects.
(2) Novel inertia measurement test centre gripping device, design simple structure accomplishes sturdy and durable and longe-lived easily, simply reform transform applicable other different motorcycle types and other occasions.
(3) Adopt novel inertia measurement test clamping device add the back of holding irregular objects such as power assembly, driver's cabin, but the inertia parameter of these objects of integral measurement has the measuring accuracy of getting higher, advantage that application scope is wider.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
fig. 1 is a top view of a novel clamping device for a rotational inertia measurement test according to an embodiment of the present invention;
fig. 2 is a front view of the novel clamping device for the rotational inertia measurement test according to the embodiment of the present invention;
fig. 3 is a top view of a supporting unit in the novel clamping device for a rotational inertia measurement test according to an embodiment of the present invention;
fig. 4 is a front view of a supporting unit in the novel clamping device for the rotational inertia measurement test according to the embodiment of the present invention;
fig. 5 is a top view of the first sub-moving unit or the second sub-moving unit in the novel clamping device for rotational inertia measurement test according to the embodiment of the present invention;
fig. 6 is a side view of the first sub-moving unit or the second sub-moving unit in the novel rotational inertia measurement test clamping device according to the embodiment of the present invention;
fig. 7 is a front view of a fixing unit in the novel clamping device for a rotational inertia measurement test according to an embodiment of the present invention;
fig. 8 is a side view of a fixing unit in the novel clamping device for a rotational inertia measurement test according to an embodiment of the present invention;
fig. 9 is a top view of a fixing unit in the novel clamping device for a rotational inertia measurement test according to an embodiment of the present invention;
fig. 10 is a front view of a mounting unit in the novel rotational inertia measurement test clamping device according to an embodiment of the present invention;
fig. 11 is a top view of an installation unit in the novel rotational inertia measurement test clamping device according to an embodiment of the present invention;
fig. 12 is a side view of a bracket of the novel rotational inertia measurement test clamping device according to an embodiment of the present invention;
fig. 13 is a top view of the middle support of the novel rotational inertia measurement test clamping device according to the embodiment of the present invention.
Description of reference numerals:
1-a base; 2-a first sub-mobile unit; 3-a second sub-mobile unit; 4-a sub-support unit; 401-plate; 402-a vertical portion; 5-a mounting unit; 6-a fixation unit; 7-a first chute; 8-a second chute; 9-bracket.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected 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 through specific situations.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
As shown in fig. 1 and 2, a novel clamping device for a rotational inertia measurement test comprises a base 1, a moving unit and a supporting unit; the base 1 is provided with a moving unit, the base 1 is arranged on a support 9, and the support can fix the base 1 on one hand and can transmit the acting force of a tested piece in the testing process on the other hand when in use; the mobile unit comprises a first sub-mobile unit 2 and a second sub-mobile unit 3 which are arranged in parallel, and the installation positions of the first sub-mobile unit and the second sub-mobile unit on the base 1 can be adjusted; the first sub moving unit 2 and the second sub moving unit 3 are provided with supporting units; the supporting unit comprises a plurality of sub-supporting units 4 arranged on the first sub-moving unit 2 and the second sub-moving unit 3, and the installation positions of the plurality of sub-supporting units 4 on the first sub-moving unit 2 and the second sub-moving unit 3 can be adjusted; the sub-supporting units 4 are mounted with mounting units 5.
As a practical way of the present invention, in order to adjust the installation position of the mobile unit on the base and the distance between the two first sub-mobile units and the second sub-mobile unit, the first sub-mobile unit 2 and the second sub-mobile unit 3 are detachably installed on the top of the base 1. Specifically, the first sub-moving unit 2 and the second sub-moving unit 3 are detachably mounted on the top of the base 1 through the plurality of fixing units 6 and the bolts, so that the relative positions of the first sub-moving unit 2 and the second sub-moving unit 3 on the base can be moved by detaching the fixing units 6 and the bolts, the distance between the first sub-moving unit 2 and the second sub-moving unit 3 can be adjusted, and after the adjustment is completed, the first sub-moving unit 2 and the second sub-moving unit 3 can be fixedly mounted on the base 1 through the fixing units 6 and the bolts again.
To achieve this, the following design can be made for the structure of the base 1 and the fixing unit 6: design base 1 into "mouth" font structure (its plan view is "mouth" font), its top, bottom and lateral wall all are equipped with along circumference round and two first spouts 7 that are parallel to each other, such structure, can conveniently pass through fixed unit 6 with first mobile unit 2 and second mobile unit 3 and insert first spout 7 to first mobile unit 2 and the different positions of second mobile unit 3 fixed mounting at base 1, and make things convenient for the installation of support 9 fixed, and simultaneously, two first spouts 7 of parallel arrangement, can guarantee the more firm of fastening. As shown in fig. 7-9, the fixing unit 6 is a hollow right-angled triangle housing with an open bevel edge, and the corresponding sidewalls of the right-angled meter are provided with a plurality of mounting holes.
As shown in fig. 5 and fig. 6, as an alternative embodiment of the present invention, the first sub-moving unit 2 and the second sub-moving unit 3 have the same structure, and are both guide rails with the second sliding grooves 8 all around, specifically, rectangular guide rails with two second sliding grooves 8 parallel to each other all formed on the front side surface, the rear side surface, the upper surface and the lower surface, so that the first moving unit 2 and the second moving unit 3 can be fastened to the sub-supporting unit 4 and the base 1.
As shown in fig. 1, as a preferred embodiment of the present invention, the specific way of fixedly mounting the first mobile unit 2 and the second mobile unit 3 on the base 1 by the fixing unit 6 and the insertion of the first chute 7 is: the two ends of the first sub-moving unit 2 and the second sub-moving unit 3 are respectively provided with a fixing unit 6 at two sides corresponding to the base 1, the two fixing units 6 are connected with the first sub-moving unit 2 or the second sub-moving unit 3 through bolts at the vertical sides (4 bolts are sequentially inserted into the mounting holes and the second sliding grooves 8), and the other side of the first sub-moving unit 2 or the second sub-moving unit 3 is fixedly connected with the top of the base 1 through 4 bolts which can be inserted into the two first sliding grooves 7. Therefore, the installation positions of the first sub-mobile unit 2 and the second sub-mobile unit 3 on the base 1 can be conveniently adjusted, and the positions of the first sub-mobile unit 2 and the second sub-mobile unit 3 can slide in the first sliding groove 7 on the base according to the size of the measured piece.
The plurality of sub-supporting units 4 are uniformly distributed on the top of the first sub-moving unit 2 and the second sub-moving unit 3, and the number of the sub-supporting units 4 can be more or less according to the supporting requirement, wherein the number refers to that 2 sub-supporting units 4 are respectively installed on the first sub-moving unit 2 and the second sub-moving unit 3 instead of the space between the plurality of sub-supporting units on the same sub-moving unit, for example, as shown in fig. 1, 4 sub-supporting units 4 are totally installed on the number. The distance between a plurality of sub-supporting units on the sub-moving unit can be adjusted according to the actual supporting requirement, and 4 sub-supporting units can be arranged in a square shape as shown in figure 1, and can also be flexibly adjusted. As for the connection mode of the sub-supporting units 4 and the first sub-moving unit 2 and the second sub-moving unit 3, a plurality of sub-supporting units 4 can be fixed on the first sub-moving unit 2 or the second sub-moving unit 3 through a plurality of bolts capable of being inserted into the second sliding grooves 8, so that the sub-supporting units 4 can be conveniently detached, and the installation positions of the sub-supporting units 4 on the first sub-moving unit 2 and the second sub-moving unit 3 can be conveniently adjusted. The sub-supporting unit 4 can move along the second sliding groove 8 on the first sub-moving unit 2 and the second sub-moving unit 3 according to the size of the measured object.
As shown in fig. 3 and 4, as an alternative embodiment of the present invention, the following design is made for the structure of the sub-supporting units, and each of the sub-supporting units 4 includes a flat plate 401 and a vertical portion 402; the vertical part 402 is fixedly connected to the flat plate 401, and is specifically welded on the flat plate 401; the flat plate 401 is fixed to the first sub moving unit 2 or the second sub moving unit 3 by a bolt inserted into the second sliding groove 8. The vertical portion 402 may preferably be a standpipe.
As an optional embodiment of the present invention, the mounting unit adopts the following structure: as shown in fig. 10 and 11, the mounting units 5 are vertical plates, and mounting holes are formed in the vertical plates; the number of risers is equivalent to the number of the sub-support units 4, and welded to the upper end of one sub-support unit 4 (i.e., the upper end of the vertical portion 402), respectively. The mounting units 5 having different heights are welded according to the angle of the object to be measured at the time of actual vehicle mounting.
As an alternative embodiment of the present invention, the structure of the bracket 9 is shown in fig. 12 and 13. The base 1 is installed on the support 9, specifically, the support and the base are detachably connected through a bolt, the bolt passes through an installation hole on the support 9, and the tail end of the bolt is inserted into the first sliding groove 7 on the side surface of the base.
The mounting hole according to the present invention is preferably a circular hole.
When the device is used, firstly, the position relation between the mounting holes of the measured piece is measured, meanwhile, the mounting angle of the measured piece in the whole vehicle is known, the mounting unit 5 is punched (namely, the mounting hole on the structure) according to the mounting hole of the measured piece according to the measurement result, the mounting device 5 is welded according to the mounting angle of the measured piece, the position of each sub-supporting unit 4 is adjusted, each sub-supporting unit 4 is mounted on the first sub-moving unit 2 and the second sub-moving unit 3 through bolts, then, the positions of the first sub-moving unit 2 and the second sub-moving unit 3 are adjusted, and the first sub-moving unit 2 and the second sub-moving unit 3 are fixed with the base 1 through the fixing unit 6. The method comprises the steps of installing a tested piece on the clamping device, installing the tested piece and the clamping device into the whole vehicle rotational inertia testing equipment, obtaining rotational inertia parameters after the clamping device and the tested piece are combined through the whole vehicle rotational inertia testing equipment, then independently carrying out rotational inertia testing on the clamping device to obtain the rotational inertia parameters of the clamping device, and finally obtaining the rotational inertia of the tested piece according to the rotational inertia parallel axis movement theorem.
Novel inertia measurement test clamping device, can realize irregular objects such as irregular power assembly part of centre gripping, driver's cabin through above structure and application method, and then accomplish inertia's measurement. The design structure is simple, firmness, durability and long service life are easily achieved, and the device is simply transformed and applicable to other different vehicle types and other occasions.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The utility model provides a novel experimental centre gripping of inertia measurement device which characterized in that: comprises a base (1), a moving unit and a supporting unit;
the base (1) is provided with a moving unit, and the base (1) is arranged on the bracket (9);
the mobile unit comprises a first sub-mobile unit (2) and a second sub-mobile unit (3) which are arranged in parallel, and the installation positions of the first sub-mobile unit and the second sub-mobile unit on the base (1) can be adjusted; the first sub-moving unit (2) and the second sub-moving unit (3) are provided with supporting units;
the supporting unit comprises a plurality of sub-supporting units (4) arranged on the first sub-moving unit (2) and the second sub-moving unit (3), and the installation positions of the sub-supporting units (4) on the first sub-moving unit (2) and the second sub-moving unit (3) can be adjusted; the sub-supporting units (4) are provided with mounting units (5).
2. The novel clamping device for the rotational inertia measurement test of claim 1, wherein: the first sub-mobile unit (2) and the second sub-mobile unit (3) are both detachably arranged on the top of the base (1).
3. The novel clamping device for the rotational inertia measurement test of claim 2, wherein: the first sub-mobile unit (2) and the second sub-mobile unit (3) are detachably mounted on the top of the base (1) through a plurality of fixing units (6) and bolts.
4. The novel clamping device for the rotational inertia measurement test of claim 3, wherein: the base (1) is of a square structure, and the top, the bottom and the side wall of the base are provided with two first sliding grooves (7) which are arranged in a circle along the circumferential direction and are parallel to each other; the fixing unit (6) is a hollow right-angled triangle shell with an opened bevel edge part, and a plurality of mounting holes are formed in the side wall corresponding to the right-angled meter.
5. The novel clamping device for the rotational inertia measurement test of claim 4, wherein: the two ends of the first sub-moving unit (2) and the two ends of the second sub-moving unit (3) are respectively provided with a fixing unit (6) on the two sides corresponding to the base (1), the two fixing units (6) are connected with the first sub-moving unit (2) or the second sub-moving unit (3) through bolts on the same side, and the other side of the two fixing units is fixedly connected with the top of the base (1) through a plurality of bolts capable of being inserted into the two first sliding grooves (7).
6. The novel clamping device for the rotational inertia measurement test of claim 1, wherein: the first sub-moving unit (2) and the second sub-moving unit (3) have the same structure and are guide rails with second sliding grooves (8) formed in the periphery.
7. The novel clamping device for the rotational inertia measurement test of claim 6, wherein: the plurality of sub-supporting units (4) are uniformly distributed on the tops of the first sub-moving unit (2) and the second sub-moving unit (3); the sub-supporting units (4) are fixed on the first sub-moving unit (2) or the second sub-moving unit (3) through a plurality of bolts which can be inserted into the second sliding groove (8).
8. The novel clamping device for the rotational inertia measurement test of claim 7, wherein: each of the plurality of sub-support units (4) includes a flat plate (401) and a vertical portion (402); the vertical part (402) is fixedly connected to the flat plate (401), and the flat plate (401) is fixed to the first sub-moving unit (2) or the second sub-moving unit (3) through bolts.
9. The novel clamping device for the rotational inertia measurement test of claim 1, wherein: the mounting units (5) are a plurality of vertical plates, and mounting holes are formed in the vertical plates; the number of the vertical plates is equal to that of the sub-supporting units (4), and the vertical plates are welded to the upper end of one sub-supporting unit (4) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921651762.2U CN210638847U (en) | 2019-09-29 | 2019-09-29 | Novel experimental centre gripping of inertia measurement device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921651762.2U CN210638847U (en) | 2019-09-29 | 2019-09-29 | Novel experimental centre gripping of inertia measurement device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210638847U true CN210638847U (en) | 2020-05-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921651762.2U Expired - Fee Related CN210638847U (en) | 2019-09-29 | 2019-09-29 | Novel experimental centre gripping of inertia measurement device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210638847U (en) |
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2019
- 2019-09-29 CN CN201921651762.2U patent/CN210638847U/en not_active Expired - Fee Related
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200529 Termination date: 20210929 |
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