CN211060821U - Support mechanism for body-in-white measurement - Google Patents
Support mechanism for body-in-white measurement Download PDFInfo
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- CN211060821U CN211060821U CN201921795443.9U CN201921795443U CN211060821U CN 211060821 U CN211060821 U CN 211060821U CN 201921795443 U CN201921795443 U CN 201921795443U CN 211060821 U CN211060821 U CN 211060821U
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Abstract
The utility model provides a be used for white automobile body measuring gimbal mechanism, including a plurality of mutual disposition's measurement sub-support, measure the sub-support and include the bottom plate and be located the first direction displacement subassembly on the bottom plate, second direction displacement subassembly and vertical support assembly, wherein first direction displacement subassembly and second direction displacement subassembly are ball screw formula displacement subassembly, and mutually perpendicular between first direction and the second direction, vertical support assembly includes a supporting beam, locating pin and a plurality of trimmer, a supporting beam has the locating hole that the opening is up, the locating pin includes the straight pole portion that is located the lower extreme, the supporting part that is located the upper end, be formed with the ladder face between straight pole portion and the supporting part, be equipped with the through-hole on the trimmer; the adjusting sheet is placed on the supporting beam, the straight rod part of the positioning pin penetrates through the through hole and extends into the positioning hole, and the supporting part of the positioning pin abuts against the upper part of the adjusting sheet. The utility model discloses single locating pin three-dimensional's adjustment can be realized to have that adaptability is good, the convenient advantage of accommodation process.
Description
Technical Field
The utility model belongs to the technical field of the vehicle production, concretely relates to a gimbal mechanism for white automobile body is measured.
Background
When the current automobile main engine factory or research institute carries out the measurement of whole car, white automobile body, welding spare assembly and subassembly, generally use dedicated measurement support to measure, detect whether its precision is in the tolerance range. A special measuring support is only suitable for a certain assembly or sub-assembly in a certain vehicle type, a large number of measuring supports are required to be designed for different structures designed at different stages of research and development and different assemblies and sub-assemblies from actual start to final sizing of the vehicle type, the using time is short, the using rate is low, and the research and development cost is increased and the resource is wasted.
Currently, some detection supports capable of adapting to different vehicle types are disclosed in the prior art, for example, chinese patent application 201510408851.4 discloses a three-coordinate detection rack shared by multiple vehicle types, which includes: the device comprises a base, wherein fixed support legs are arranged on the periphery of the base; the base plate is fixedly connected with the base, the base plate is provided with fixing holes and base holes for determining position coordinates, and the fixing holes are arranged on the base plate in an array manner; the positioning unit is used for positioning a bottom beam of the body-in-white, and the supporting unit is used for supporting the bottom beam of the body-in-white. The position through switching positioning unit, support unit among the above-mentioned prior art realizes being adapted to multi-vehicle type, and this prior art needs frequently to dismantle at the switching in-process, has the defect that the adjustment process is loaded down with trivial details, the precision is not high, and the location support height of the motorcycle type of difference is different moreover, has the defect that is difficult to use more motorcycle types.
In order to accommodate the three-coordinate adjustment of a single positioning support point in different vehicle models, for example, chinese patent application 201721806164.9 discloses a body-in-white measuring stand, comprising: the device comprises a base support, a positioning connecting mechanism, a positioning pin and an adjusting piece; the positioning and connecting mechanism is used for installing a positioning pin; the adjusting piece is arranged on the positioning connecting mechanism and used for adjusting the position of the positioning pin on the positioning connecting mechanism. The positioning and connecting mechanism in the prior art adopts a bolt-notch mode to finely adjust the position, the process is mainly based on the experience of an operator, the adjusting process is inconvenient, and the precision is not high.
Based on this, this application provides a support mechanism for body-in-white is measured that adaptability is good, adjustment process is convenient.
SUMMERY OF THE UTILITY MODEL
To prior art's defect, the utility model provides a be used for white automobile body measuring gimbal mechanism, its adjustment that can realize single locating pin three-coordinate to have that adaptability is good, the convenient advantage of accommodation process.
In order to achieve the above object, the utility model provides a gimbal mechanism for white automobile body is measured, including a plurality of mutual dispositions's measurement sub-mount, measure the sub-mount and include the base and be located first direction displacement subassembly, second direction displacement subassembly and the vertical supporting component on the base, wherein first direction displacement subassembly and second direction displacement subassembly are ball screw formula displacement subassembly to mutually perpendicular between first direction and the second direction, vertical supporting component includes:
the supporting beam is provided with a positioning hole with an upward opening;
the positioning pin comprises a straight rod part positioned at the lower end and a supporting part positioned at the upper end, wherein a step surface is formed between the straight rod part and the supporting part;
the adjusting sheets are provided with through holes;
the adjusting plate is placed on the supporting beam, the straight rod part of the positioning pin penetrates through the through hole and extends into the positioning hole, and the supporting part of the positioning pin abuts against the upper part of the adjusting plate.
The above technical scheme of the utility model, first direction displacement subassembly, second direction displacement subassembly are used for realizing respectively that vertical supporting component carries out the position of quick adjustment supporting pin along the slip of first direction, second direction in the horizontal plane through the mode that adopts ball screw rod formula to adapt to different motorcycle types.
Further, vertical supporting component adopts the mode of trimmer to carry out the adjustment of the small scale of vertical direction, just as we know, the bottom automobile body locating hole position of different motorcycle types differs little, and holistic height also differs little, consequently, only needs to carry out the adaptability adjustment of small scale within range, can adapt to different motorcycle types, the utility model discloses in through detachable locating pin and trimmer complex mode, adjust, when the accommodation process is convenient, still possessed the advantage that the precision is high.
According to another embodiment of the present invention, the thickness of the plurality of tabs is the same or different.
According to another embodiment of the present invention, the straight rod portion of at least part of the positioning pin is located inside the positioning hole.
Preferably, the support beam is provided with a locking bolt for locking the straight rod portion of the positioning pin.
As an extension of the utility model, the first direction displacement component comprises a transverse base plate, a transverse slide rail and a transverse screw rod which are positioned on the transverse base plate, and the transverse base plate is fixed on the base; the second direction displacement assembly comprises a longitudinal base plate, a longitudinal slide rail and a longitudinal screw rod, wherein the longitudinal slide rail and the longitudinal screw rod are positioned on the longitudinal base plate; the supporting beam is in threaded connection with the longitudinal screw rod through the second sliding block.
According to the utility model discloses a another kind of embodiment, horizontal lead screw is provided with and is equipped with vertical precision adjustment dish on horizontal precision adjustment dish, the vertical lead screw, and when the switching direction can be eliminated to the precision adjustment dish, the clearance problem that ball screw exists is favorable to improving the degree of accuracy of measuring precision and locating pin position.
According to the utility model discloses a another kind of embodiment, horizontal lead screw is equipped with the horizontal rotation hand wheel, is equipped with the vertical rotation hand wheel on the vertical lead screw. The transverse rotating hand wheel and the longitudinal rotating hand wheel are preferably hand wheels with locking functions.
According to another specific embodiment of the present invention, the first direction displacement assembly comprises two transverse sliding rails and a transverse screw rod, and the two transverse sliding rails are symmetrically distributed on two sides of the transverse screw rod; the second direction displacement assembly comprises two longitudinal slide rails and a longitudinal screw rod, and the two longitudinal slide rails are symmetrically distributed on two sides of the longitudinal screw rod.
As the utility model discloses a still another extension, further including the digital display subassembly that is used for showing the locating pin position, the digital display subassembly includes magnetic grid chi, display dial plate, and wherein the magnetic grid chi includes magnetic ruler and recording head, and its specific arrangement mode can be for: the magnetic scale is fixed on the slide rail or directly used as part of the slide rail, the magnetic recording head is fixed on the first slide block and the second slide block (or a longitudinal base synchronous with the first slide block and a supporting beam synchronous with the second slide block), magnetic waves with strictly equal intervals are recorded on the magnetic scale through the magnetic recording head, the wavelength is converted into linear displacement, and the linear displacement is transmitted to the display dial plate to display the adjustment amount in real time so as to realize the accurate control of the adjustment amount.
The utility model discloses possess following beneficial effect:
the utility model has the advantages that the plurality of the quantum measurement brackets are arranged to respectively support the vehicle body positioning support holes at the bottom of the vehicle body, so that the gravity of the vehicle body respectively acts on the plurality of the quantum measurement brackets, and the vehicle body positioning support holes have good support strength; on single measuring the sub-support, can adjust horizontal and fore-and-aft position through ball screw rod formula first direction displacement subassembly, second direction displacement subassembly, the rethread increases or reduces the quantity of trimmer in the vertical supporting component, accomplishes and switches the locating pin in each measuring the sub-support to appointed position, realizes the adjustment of single locating pin three-coordinate, has that adaptability is good, accommodation process is convenient, the high advantage of degree of accuracy.
The present invention will be described in further detail with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic view of the overall distribution structure of the support mechanism of the present invention;
FIG. 2 is a schematic structural view of a single measurement sub-mount of the present invention;
fig. 3 is an exploded view of the vertical support assembly of the present invention;
fig. 4 is a schematic structural diagram of the first direction displacement assembly and the digital display assembly of the present invention.
Detailed Description
Example 1
A support mechanism for body-in-white measurement comprises eight measurement sub-supports 10, as shown in fig. 1, the eight measurement sub-supports 10 are oppositely arranged and distributed on the ground or a platform for vehicle body measurement, wherein the measurement sub-supports 10 are as shown in fig. 2, and comprise a base 20, a first direction displacement assembly 30, a second direction displacement assembly 40 and a vertical support assembly 50. A transverse precision adjusting disc (34) is arranged on the screw rod (33), and a longitudinal precision adjusting disc is arranged on the longitudinal screw rod (43)
The first direction displacement assembly 30 comprises a transverse base plate 31, two transverse slide rails 32, a transverse screw 33, a transverse precision adjusting disc 34 and a transverse rotation hand wheel 35, wherein the transverse base plate 31 is fixed on the base 20, the two transverse slide rails 32 are fixed on the transverse base plate 31, the transverse screw 33 is fixed on the transverse base plate 31 through a hinge seat 36 and is positioned between the two transverse slide rails 32, the transverse rotation hand wheel 35 is positioned at the end part of the transverse screw 33, the transverse screw 33 can be rotated by rotating the transverse rotation hand wheel 35, and the transverse precision adjusting disc 34 is positioned on the transverse screw 33 and is close to the transverse rotation hand wheel 35.
The second direction displacement assembly 40 comprises a longitudinal base plate 41, two longitudinal slide rails 42, a longitudinal screw 43, a longitudinal precision adjusting disc 44 and a longitudinal rotary hand wheel 45, wherein the longitudinal base plate 41 is arranged on the transverse slide rail 32 in a sliding manner and is in threaded connection with the transverse screw 33 through a first sliding block 37; the two longitudinal slide rails 42 are fixed on the longitudinal base plate 41, the longitudinal screw 43 is fixed on the longitudinal base plate 41 through the hinge seat 46 and is located between the two longitudinal slide rails 42, the longitudinal rotating hand wheel 45 is located at the end of the longitudinal screw 43, the longitudinal screw 43 can be rotated by rotating the longitudinal rotating hand wheel 45, and the longitudinal precision adjusting disc 44 is located on the longitudinal screw 43 and is close to the longitudinal rotating hand wheel 45.
The vertical support assembly 50 includes a support beam 51, a locating pin 52 and a number of tabs 53.
The adjusting plate 53 is used for adjusting the supporting height of the positioning pin 52, fig. 3 shows the situation that a plurality of adjusting plates 53 with different thicknesses are used in cooperation, each adjusting plate 53 is provided with a through hole 531, the bottom of the supporting beam 51 is in threaded connection with the longitudinal screw rod 43 through a second sliding block (not shown), the top of the supporting beam 51 is provided with a positioning hole 511 with an upward opening, the positioning pin 52 is divided into two parts, one part is a straight rod part 52a at the lower end of the positioning pin, the straight rod part 52a penetrates through the through hole 531 to extend into the positioning hole 511, the supporting height of the positioning pin 52 is changed by selecting the different thicknesses and increasing or decreasing the number of the adjusting plates 53, and the other part is a supporting part 52b at the upper end of the positioning pin 52, after the positioning and supporting of the vehicle body, the gravity of the vehicle.
In order to avoid the rattling of the positioning pin 52, after the adjustment to the specified position, a locking bolt 54 is provided on the support beam 51 to lock the straight rod portion 52a into the positioning hole 511.
The transverse rotating hand wheel 35 and the longitudinal rotating hand wheel 45 in this embodiment both have a locking function.
Example 2
A bracket mechanism for body-in-white measurement is further provided with a digital display assembly for displaying the position of a positioning pin 52 on the basis of embodiment 1.
The digital display assembly includes a magnetic scale 60 and a display dial, wherein the magnetic scale includes a magnetic scale 61 and a recording head 62, referring to fig. 4, the first direction displacement assembly 30 is taken as an example for detailed description, and the specific arrangement mode may be:
the magnetic scale 61 is fixed on the transverse slide rail 32, the recording head 62 is fixed on the transverse substrate 31 and is in the same direction with the transverse slide rail 32, the first slide block 37 slides along with the rotation of the transverse screw rod 33 to drive the longitudinal substrate 41 to slide, magnetic waves with strictly equal intervals are recorded on the magnetic scale 61 through the recording head 62, the wavelength is converted into linear displacement, and the linear displacement is transmitted to the display dial for displaying adjustment amount in real time, so that the accurate control of the adjustment amount is realized.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the scope of the invention. Any person skilled in the art can make some modifications without departing from the scope of the invention, i.e. all equivalent modifications made according to the invention are intended to be covered by the scope of the invention.
Claims (10)
1. A support mechanism for body-in-white measurement, comprising a plurality of oppositely arranged measurement sub-supports (10), wherein the measurement sub-supports (10) comprise a base (20) and a first direction displacement assembly (30), a second direction displacement assembly (40) and a vertical support assembly (50) which are arranged on the base (20), the first direction displacement assembly (30) and the second direction displacement assembly (40) are ball screw type displacement assemblies, and the first direction and the second direction are perpendicular to each other, and the vertical support assembly (50) comprises:
a support beam (51) having a positioning hole (511) with an upward opening;
the positioning pin (52) comprises a straight rod part (52a) at the lower end and a supporting part (52b) at the upper end, wherein a stepped surface is formed between the straight rod part (52a) and the supporting part (52 b);
the adjusting plates (53), through holes (531) are arranged on the adjusting plates (53);
wherein the adjusting sheet (53) is placed on the supporting beam (51), the straight rod part (52a) of the positioning pin (52) penetrates through the through hole (531) and extends into the positioning hole (511), and the supporting part (52b) of the positioning pin (52) is abutted above the adjusting sheet (53).
2. The support mechanism for body-in-white measurements according to claim 1, characterized in that the thickness of several of said tabs (53) is identical or different.
3. The support mechanism for body-in-white measurements according to claim 1, characterized in that at least part of the straight shank (52a) of the positioning pin (52) is located inside the positioning hole (511).
4. The bracket mechanism for body-in-white measurement according to claim 3, wherein the support beam (51) is provided with a lock bolt (54) for locking a straight rod portion (52a) in the positioning pin (52).
5. The support structure for body-in-white measurements according to any one of claims 1 to 4, characterized in that said first directional displacement assembly (30) comprises a transverse base plate (31), a transverse slide (32) and a transverse screw (33) on said transverse base plate (31), said transverse base plate (31) being fixed to said base (20);
the second direction displacement assembly (40) comprises a longitudinal base plate (41), a longitudinal slide rail (42) and a longitudinal screw rod (43), wherein the longitudinal slide rail (42) and the longitudinal screw rod (43) are positioned on the longitudinal base plate (41), and the longitudinal base plate (41) is arranged on the transverse slide rail (32) in a sliding mode and is in threaded connection with the transverse screw rod (33) through a first slide block (37);
the supporting beam (51) is in threaded connection with the longitudinal screw rod (43) through a second sliding block.
6. The support mechanism for body-in-white measurements according to claim 5, characterized in that said transverse screw (33) is provided with a transverse precision adjustment disc (34), said longitudinal screw (43) being provided with a longitudinal precision adjustment disc (44).
7. The support mechanism for body-in-white measurements according to claim 5, characterized in that said transverse screw (33) is provided with a transverse rotating hand wheel (35), and said longitudinal screw (43) is provided with a longitudinal rotating hand wheel (45).
8. The support mechanism for body-in-white measurements according to claim 7, characterized in that said transverse rotation handwheel (35) and said longitudinal rotation handwheel (45) are handwheels with locking function.
9. The support structure for body-in-white measurements according to claim 5, characterized in that said first direction displacement assembly (30) comprises two said transverse slide rails (32) and one said transverse screw (33), said two transverse slide rails (32) being symmetrically distributed on both sides of said transverse screw (33); the second direction displacement assembly (40) comprises two longitudinal sliding rails (42) and one longitudinal screw rod (43), and the two longitudinal sliding rails (42) are symmetrically distributed on two sides of the longitudinal screw rod (43).
10. The support mechanism for body-in-white measurement according to claim 1, further comprising a digital display assembly for displaying the position of the positioning pin (52), wherein the digital display assembly comprises a magnetic grating ruler (60) and a display dial.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921795443.9U CN211060821U (en) | 2019-10-23 | 2019-10-23 | Support mechanism for body-in-white measurement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921795443.9U CN211060821U (en) | 2019-10-23 | 2019-10-23 | Support mechanism for body-in-white measurement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211060821U true CN211060821U (en) | 2020-07-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921795443.9U Active CN211060821U (en) | 2019-10-23 | 2019-10-23 | Support mechanism for body-in-white measurement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211060821U (en) |
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2019
- 2019-10-23 CN CN201921795443.9U patent/CN211060821U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20200826 Address after: 441000 No.5 Dongfeng Automobile Avenue, Xiangyang City, Hubei Province Co-patentee after: DONGFENG MOTER Co.,Ltd. Patentee after: FENGSHEN XIANGYANG AUTOMOBILE Co.,Ltd. Address before: 510000, Fengshen Road, Huadu District, Guangdong, Guangzhou 8 Patentee before: DONGFENG MOTER Co.,Ltd. |