CN115257939B - Front end frame assembly method and front end frame - Google Patents
Front end frame assembly method and front end frame Download PDFInfo
- Publication number
- CN115257939B CN115257939B CN202210863881.4A CN202210863881A CN115257939B CN 115257939 B CN115257939 B CN 115257939B CN 202210863881 A CN202210863881 A CN 202210863881A CN 115257939 B CN115257939 B CN 115257939B
- Authority
- CN
- China
- Prior art keywords
- positioning
- end frame
- floating nut
- hole
- upright post
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000009434 installation Methods 0.000 abstract description 7
- 230000008447 perception Effects 0.000 abstract description 5
- 230000003068 static effect Effects 0.000 abstract description 4
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 230000004075 alteration Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/08—Front or rear portions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/04—Door pillars ; windshield pillars
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D65/00—Designing, manufacturing, e.g. assembling, facilitating disassembly, or structurally modifying motor vehicles or trailers, not otherwise provided for
- B62D65/02—Joining sub-units or components to, or positioning sub-units or components with respect to, body shell or other sub-units or components
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D65/00—Designing, manufacturing, e.g. assembling, facilitating disassembly, or structurally modifying motor vehicles or trailers, not otherwise provided for
- B62D65/02—Joining sub-units or components to, or positioning sub-units or components with respect to, body shell or other sub-units or components
- B62D65/024—Positioning of sub-units or components with respect to body shell or other sub-units or components
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The invention relates to the technical field of automobiles, in particular to a front end frame assembly method and a front end frame. The front end frame assembly method provided by the application comprises the following steps: s1: installing the upright post according to the positioning standard of the whole vehicle; s2: a positioning piece is fixedly arranged at the top of the upright post according to the positioning standard of the whole vehicle so that the position of the positioning piece is matched with the designed positioning position, and the upper cross beam and the upright post are positioned through the positioning piece; s3: and fixedly connecting the upper cross beam with the upright post, and finishing the assembly of the front end frame. The front end frame assembly method and the front end frame provided by the application ensure the position installation precision of the upper cross beam, so that gaps and segment difference values of parting gaps among the front face machine cover, the front skin and the front headlight of the whole automobile are ensured, and the size precision and the static perception quality of the whole automobile are improved.
Description
Technical Field
The invention relates to the technical field of automobiles, in particular to a front end frame assembly method and a front end frame.
Background
The front end frame of the automobile comprises a front end frame of the automobile, wherein the front end frame of the automobile comprises a left stand column, a right stand column, an upper cross beam and a lower cross beam, the left stand column is arranged on the side face of a left automobile longitudinal beam, the right stand column is arranged on the side face of a right automobile longitudinal beam, the upper cross beam is arranged between the tops of the left stand column and the right stand column, and the lower cross beam is arranged between the bottoms of the left stand column and the right stand column.
In the process of assembling the front end frame, generally, the upright posts are assembled on the longitudinal beams, and then the upper cross beam and the lower cross beam are assembled on the upright posts respectively. However, in the assembly process of the longitudinal beams, the left front longitudinal beam and the right front longitudinal beam often show a state of opening, that is, the Y-direction size of the left front longitudinal beam and the right front longitudinal beam deviates from the positioning standard of the whole vehicle, so that the assembly size of the left upright post and the right upright post, the assembly size of the upper cross beam and the lower cross beam deviate, and particularly after the assembly size of the upper cross beam deviates, the positions of a headlight, a front skin and a cover lock deviate, so that the gap section difference precision of the front parting of the whole vehicle is influenced, and the perception quality of the front of the whole vehicle is further influenced.
Disclosure of Invention
The application provides a front end frame assembly method and a front end frame, which solve the technical problems that in the related art, due to the fact that the Y-direction size of a left front longitudinal beam and a right front longitudinal beam in the assembly process deviates, the positions of a front headlight, a front skin and a cover lock deviate, the gap section difference precision of a whole front face parting is affected, and the perception quality of the whole front face is affected.
In one aspect, the present application provides a front end frame assembly method, where the front end frame includes an upper beam and two columns connected to two ends of the upper beam, and the front end frame assembly method includes the following steps:
s1: installing the upright post according to the positioning standard of the whole vehicle;
s2: a positioning piece is fixedly arranged at the top of the upright post according to the positioning standard of the whole vehicle so that the position of the positioning piece is matched with the designed positioning position, and the upper cross beam and the upright post are positioned through the positioning piece;
s3: and fixedly connecting the upper cross beam with the upright post, and finishing the assembly of the front end frame.
In some embodiments, the positioning piece includes a positioning bolt and a floating nut that are in threaded connection, and in step S2, the positioning piece is fixedly disposed at the top of the upright according to a positioning reference of the whole vehicle, and specifically includes:
s21: moving the positioning piece to a designed positioning position according to the positioning standard of the whole vehicle;
s22: and locking the positioning bolt to a designed positioning position through a floating nut.
In some embodiments, the upper beam is provided with a positioning hole, and in step S2, the positioning of the upper beam and the upright column by the positioning member specifically includes:
and moving the upper cross beam to a position where the positioning bolt is inserted into the positioning hole so as to position the upper cross beam and the upright post.
In some embodiments, in the step S3, the fixing the upper beam and the upright post includes:
and fixedly connecting the upper cross beam with the upright post through a connecting bolt.
In another aspect, the present application further provides a front end frame for implementing the front end frame assembly method described above, including: the upper beam and connect in two stands at upper beam both ends, stand top detachably is provided with the setting element, works as the setting element with stand fixed connection is when, the position of setting element coincides with design location position, in order to right the upper beam is fixed a position.
In some embodiments, the positioning member comprises a positioning bolt and a floating nut in threaded connection, a first through hole is formed in the top of the upright, the positioning bolt is movably arranged in the first through hole, and the floating nut is operable to lock the positioning bolt.
In some embodiments, the positioning piece further comprises a floating nut box, the floating nut box is arranged at the top of the inner wall of the upright post, the floating nut box is provided with a second through hole, the floating nut is movably arranged in the floating nut box, the positioning bolt comprises a head part and a screw part connected with the head part, and the screw part sequentially penetrates through the first through hole and the second through hole to be connected with the floating nut;
when the head is located at the first position, the floating nut can move in the floating nut box, the screw rod part can move in the first through hole, when the head is located at the second position, the head is in contact with the top of the upright post, and the floating nut is in contact with the top wall of the floating nut box.
In some embodiments, the bottom of the floating nut box is provided with a limiting aperture, the floating nut comprising:
the nut body is movably arranged in the limiting hole, and the nut body is connected with the limiting plate;
and the limiting plate is connected with the nut body and is clamped in the floating nut box.
In some embodiments, the front end frame further comprises a connection assembly disposed on the upright, the connection assembly comprises a connection nut and a connection bolt, the connection nut is disposed on the top of the inner wall of the upright, one end of the connection bolt is screwed into the corresponding screw hole of the connection nut, the other end of the connection bolt is screwed into the corresponding end of the upper cross beam, and the connection bolt is disposed on one side of the first through hole.
In some embodiments, the upper beam is provided with positioning holes respectively corresponding to the positioning bolts of the two upright posts, wherein an inner ring of one positioning hole is matched with an outer ring of the corresponding positioning bolt, and a size of the other positioning hole is larger than that of the corresponding positioning bolt.
The beneficial effects of the application are as follows:
according to the front end frame assembly method and the front end frame, the locating piece is fixedly arranged at the top of the upright post according to the whole vehicle locating standard, the position of the locating piece is identical with the design locating position, the upper cross beam and the upright post are located through the locating piece, after the upper cross beam is located, the upper cross beam and the upright post are fixedly connected, so that the upper cross beam is installed, the position deviation caused by the longitudinal beam is avoided, the position installation precision of the upper cross beam is guaranteed, and the gap and the section difference value of the parting between the whole vehicle front face machine cover, the front skin and the front headlight are guaranteed, and the size precision and the static perception quality of the whole vehicle are improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the description below are only some embodiments of the present invention.
Fig. 1 is a schematic structural view of a front end frame according to the present embodiment;
FIG. 2 is a partial exploded view of FIG. 1;
FIG. 3 is an internal structural view of the column of FIG. 2;
FIG. 4 is a partial exploded view II of FIG. 1;
reference numerals illustrate:
1-left longitudinal beam, 2-right longitudinal beam, 3-upright post, 31-first through hole, 4-upper cross beam, 41-locating hole, 5-lower cross beam, 100-locating unit, 110-locating piece, 120-fastening component, 121-floating nut, 1211-nut body, 1212-limiting plate, 122-floating nut box, 200-connecting component, 210-connecting nut.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that all the directional indicators in the embodiments of the present invention are only used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture, and if the specific posture is changed, the directional indicators are correspondingly changed.
In the present invention, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure.
Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.
The present application is described below with reference to specific embodiments in conjunction with the accompanying drawings:
fig. 1 is a schematic structural view of a front end frame provided in the present embodiment, fig. 2 is a partial explosion diagram of fig. 1, fig. 3 is an internal structural view of a column in fig. 2, and fig. 4 is a partial explosion diagram of fig. 1; referring to fig. 1 to 4, an embodiment of the present application provides a front end frame assembly method, where the front end frame includes an upper beam 4 and two columns 3 connected to two ends of the upper beam 4, and the front end frame assembly method includes the following steps:
s1: installing the upright post 3 according to the positioning standard of the whole vehicle;
the length direction of the automobile body is X direction, the width direction of the automobile body is Y direction, the height direction of the automobile body is Z direction, the whole automobile positioning reference is the design position of each part of the automobile body in the three directions of XYZ, and all components of the automobile are assembled according to the whole automobile positioning reference so as to ensure the assembly precision of the automobile.
Because left longeron 1 and right longeron 2 often can show "opening" state in the assembly process, Y is to the size skew, simultaneously, the Z to the size of left longeron 1 and right longeron 2 also can appear the deviation, can show the state of buckling from top to bottom, according to whole car location benchmark installation stand 3, but because stand 3 need be connected with the connection terminal surface laminating of left longeron 1 and right longeron 2, therefore, the XY position of stand 3 can not pinpoint, Z to the size of stand 3 after this step is accomplished is accurate promptly, thereby can guarantee that follow-up entablature 4's Z to the size is also accurate, but XY to the size has the deviation.
S2: a positioning piece 110 is fixedly arranged at the top of the upright post 3 according to the whole vehicle positioning standard, so that the position of the positioning piece 110 is matched with the designed positioning position, and the upper cross beam 4 and the upright post 3 are positioned through the positioning piece 110;
the design positioning position of the positioning piece 110 is designed in the positioning standard of the whole vehicle, and the XY position of the upper beam 4 can be accurately positioned after the upper beam 4 and the upright post 3 are positioned through the positioning piece 110. That is, after the upright posts 3 are assembled, the positioning piece 110 is still fixedly arranged on the upright posts 3 with the dimensional deviation in the XY direction according to the positioning standard of the whole vehicle, and the upper cross beam 4 is positioned only through the positioning piece 110, so that the assembly of the upper cross beam 4 is not influenced by the position deviation of the upright posts 3, and the assembly precision of the upper cross beam 4 is ensured.
S3: and fixedly connecting the upper cross beam 4 with the upright post 3, and finishing the assembly of the front end frame.
After the position between the upper beam 4 and the upright post 3 is positioned, the upper beam 4 and the upright post 3 can be fixedly connected, and the front end frame is assembled. Specifically, the upper cross beam 4 and the upright post 3 are fixedly connected through a connecting bolt.
Further, in step S2, the positioning element 110 may be separately disposed from the upright 3, that is, after the upright 3 is assembled, the positioning element 110 is fixedly disposed on the upright 3 according to the positioning reference of the whole vehicle; the positioning element 110 may also be movably disposed on the upright 3, and when the upright 3 is assembled, the position of the positioning element 110 is adjusted to the designed positioning position on the upright 3, preferably, for convenience of operation, the positioning element 110 is movably disposed on the upright 3 in this embodiment.
The fixing manner between the positioning element 110 and the upright 3 can be welding or detachable, which is unfavorable for operation because of the complicated welding manner, and in this embodiment, the detachable fixing manner is adopted between the positioning element 110 and the upright 3.
Specifically, in this embodiment, the positioning member 110 includes a positioning bolt and a floating nut 121 that are in threaded connection, and in step S2, the positioning member 110 is fixedly disposed on top of the upright post 3 according to a positioning reference of the whole vehicle, which specifically includes:
s21: moving the positioning bolt to a designed positioning position according to the positioning standard of the whole vehicle;
namely, the positioning bolt is movably arranged on the upright post 3, the positioning bolt is provided with a designed positioning position in the positioning reference of the whole vehicle, the positioning bolt is also exactly positioned in the designed positioning position under the condition that the installation position of the upright post 3 is accurate, and after the position of the upright post 3 in the XY direction deviates, the positioning bolt also deviates from the designed positioning position, and at the moment, the positioning bolt is moved to the designed positioning position.
S22: the positioning bolt is locked to the design positioning position by the floating nut 121.
The floating nut 121 may be provided at the inner top wall of the column 3, and since the floating nut 121 has a floating amount, the floating nut 121 may also be moved and locked with the positioning bolt after the positioning bolt is moved to the designed positioning position.
Further, the upper beam 4 is provided with a positioning hole 41, and in step S2, the upper beam 4 and the upright 3 are positioned by the positioning member 110, which specifically includes:
the upper beam 4 is moved to a position where the positioning bolts are inserted into the positioning holes 41 to position the upper beam 4 with the column 3.
Of course, the upper beam 4 may be provided with a positioning groove, and the upper beam 4 and the column 3 may be positioned by moving the upper beam 4 to a position where the positioning bolt is inserted into the positioning groove, which is not limited in this embodiment.
Based on the same inventive concept, the present application also provides a front end frame for implementing the above front end frame assembly method, comprising: the upper beam 4 and two stand columns 3 connected to two ends of the upper beam 4, wherein the top of the stand column 3 is detachably provided with a positioning piece 110, and when the positioning piece 110 is fixedly connected with the stand column 3, the position of the positioning piece 110 is matched with the designed positioning position so as to position the upper beam 4.
Because the locating piece 110 is positioned at the designed locating position in the whole vehicle locating reference, the upper beam 4 which is positioned according to the locating piece 110 is also positioned at the designed position in the whole vehicle locating reference, so that the position deviation of the upper beam 4 in the XY direction can be eliminated, the accurate locating of the upper beam 4 is realized, the gap and the segment difference value of the parting between the front face machine cover, the front skin and the front headlight of the whole vehicle are ensured, and the size precision and the static perception quality of the whole vehicle are improved.
Further, the positioning member 110 includes a positioning bolt and a floating nut 121 in threaded connection, a first through hole 31 is provided at the top of the upright 3, the positioning bolt is movably provided in the first through hole 31, and the floating nut 121 is operable to lock the positioning bolt.
Namely, the positioning bolt is movably arranged on the upright post 3, the positioning bolt is provided with a designed positioning position in the positioning reference of the whole vehicle, the positioning bolt is also exactly positioned in the designed positioning position under the condition that the installation position of the upright post 3 is accurate, and after the position of the upright post 3 in the XY direction deviates, the positioning bolt also deviates from the designed positioning position, and at the moment, the positioning bolt is moved to the designed positioning position. The floating nut 121 may be provided at the inner top wall of the column 3, and since the floating nut 121 has a floating amount, the floating nut 121 may also be moved and locked with the positioning bolt after the positioning bolt is moved to the designed positioning position.
Further, the positioning member 110 further includes a floating nut box 122, where the floating nut box 122 is disposed on top of the inner wall of the upright 3, the floating nut box 122 is provided with a second through hole, and the floating nut 121 is movably disposed in the floating nut box 122. The positioning bolt comprises a head portion and a screw portion connected with the head portion, the screw portion sequentially penetrates through the first through hole 31 and the second through hole to be connected with the floating nut 121, in the embodiment, the diameter of the head portion is larger than that of the screw portion, the diameter of the screw portion is smaller than that of the first through hole 31, and the diameter of the head portion is larger than that of the first through hole 31, so that the screw portion can act in the first through hole 31. The head is movable from a first position to a second position; when the head is at the first position, the floating nut 121 may move in the floating nut box 122, and the screw portion may move in the first through hole 31, so that after the screw portion moves to the designed positioning position in the first through hole 31, the floating nut 121 may also move to a corresponding position in the floating nut box 122, when the head is at the second position, the head abuts against the top of the upright post 3, and the floating nut 121 abuts against the top wall of the floating nut box 122, so that the floating nut 121 locks the positioning bolt.
When the head is in the first position, the floating nut 121 and the screw part are in a loosening state, the floating nut 121 and the screw part are not in threaded connection, but the end part of the screw part is in contact with a screw hole of the floating nut 121, so that the screw part can drive the floating nut 121 to move while moving in the first through hole 31, and when the head is in the second position, the floating nut 121 and the screw part are in a threaded fastening state.
Further, the bottom of the floating nut box 122 is provided with a limiting hole 1221, and the floating nut 121 includes a nut body 1211 and a limiting plate 1212. The screw part is connected with the nut body 1211, the nut body 1211 is movably arranged in the limit hole, the moving range of the nut body 1211 in the limit hole 1221 is the floating amount of the nut body 1211, and the nut body 1211 is connected with the limit plate 1212; the limiting plate 1212 is connected to the nut body 1211, and the limiting plate 1212 is clamped in the floating nut box 122 to ensure that the nut body 1211 does not fall out of the limiting hole 1221, and of course, the limiting plate 1212 is also movably disposed in the floating nut box 122 so as not to limit the movement of the nut body 1211 in the limiting hole 1221.
Specifically, since the position error of the upper beam 4 in the XY direction is generally not more than ±3mm, the floating nut 121 in this embodiment may have a floating amount in the XY direction of ±3mm, and of course, the floating amount of the floating nut 121 may be designed according to the actual situation.
Further, the upper cross beam 4 is provided with positioning holes 41 respectively corresponding to the positioning bolts of the two upright posts 3, wherein the inner ring of one positioning hole 41 is matched with the outer ring of the corresponding positioning bolt, and the size of the other positioning hole 41 is larger than that of the corresponding positioning bolt. Namely, after the two positioning bolts are moved to the designed positioning positions, the outer ring of one positioning bolt is matched with the inner ring of the corresponding positioning hole 41, so that the accurate positioning of the upper beam 4 is realized, and the other positioning bolt can be inserted into the corresponding positioning hole 41 to realize the assembly of the upper beam 4, so that the size of the other positioning hole 41 is larger than that of the corresponding positioning bolt, and the assembly error is eliminated. Specifically, one of the positioning holes 41 may be a oblong hole.
Further, the front end frame structure further comprises more than one connecting component 200, the connecting components 200 are arranged on the two upright posts 3, each connecting component 200 comprises a connecting nut 210 and a connecting bolt (not shown), the connecting nuts 210 are arranged at the top of the inner wall of each upright post 3, one ends of the connecting bolts are in threaded holes of the corresponding connecting nuts 210 in a threaded manner, the other ends of the connecting bolts are in threaded manner at the end parts of the corresponding upper cross beams 4, and the connecting nuts 210 are arranged at one sides of the floating nuts 121.
Specifically, each upright 3 is provided with two connecting assemblies 200, and the connecting nuts 210 in the two connecting assemblies 200 are respectively arranged at two sides of the floating nut 121.
According to the front end frame assembly method and the front end frame, the locating piece 110 is fixedly arranged at the top of the upright post 3 according to the whole vehicle locating standard, the position of the locating piece 110 is identical with the design locating position, the upper cross beam 4 and the upright post 3 are located through the locating piece 110, after the upper cross beam 4 is located, the upper cross beam 4 and the upright post 3 are fixedly connected, so that the position deviation caused by longitudinal beams is avoided due to the installation of the upper cross beam 4, the position installation precision of the upper cross beam 4 is guaranteed, the gap and the section difference value of the parting joint among the front face machine cover, the front skin and the front headlight of the whole vehicle are guaranteed, and the size precision and the static sensing quality of the whole vehicle are improved.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (5)
1. The front end frame comprises an upper cross beam and two upright posts connected to two ends of the upper cross beam, and is characterized in that positioning pieces are detachably arranged at the tops of the upright posts, and when the positioning pieces are fixedly connected with the upright posts, the positions of the positioning pieces are matched with the designed positioning positions; the positioning piece comprises a positioning bolt and a floating nut which are in threaded connection, a first through hole is formed in the top of the upright post, the positioning bolt is movably arranged in the first through hole, and the floating nut is operable to lock the positioning bolt; the upper cross beam is provided with positioning holes which are respectively and correspondingly arranged with the positioning bolts of the two upright posts, wherein the inner ring of one positioning hole is matched with the outer ring of the corresponding positioning bolt, and the size of the other positioning hole is larger than that of the corresponding positioning bolt; the positioning piece further comprises a floating nut box, the floating nut box is arranged at the top of the inner wall of the upright post, a second through hole is formed in the floating nut box, the floating nut is movably arranged in the floating nut box, the positioning bolt comprises a head part and a screw rod part connected with the head part, the screw rod part sequentially penetrates through the first through hole and the second through hole to be connected with the floating nut, and the head part can reach a second position from a first position; when the head part is positioned at the first position, the floating nut can move in the floating nut box, the screw part can move in the first through hole, and when the head part is positioned at the second position, the head part is in contact with the top of the upright post, and the floating nut is in contact with the top wall of the floating nut box; the front end frame assembly method comprises the following steps:
s1: installing the upright post according to the positioning standard of the whole vehicle;
s2: a positioning piece is fixedly arranged at the top of the upright post according to the positioning standard of the whole vehicle so that the position of the positioning piece is matched with the designed positioning position, and the upper cross beam and the upright post are positioned through the positioning piece;
s3: fixedly connecting the upper cross beam with the upright post, and finishing the assembly of the front end frame;
the locating piece includes threaded connection' S locating bolt and floating nut, in step S2, according to whole car location benchmark in stand top is fixed to be set up the locating piece, specifically includes:
s21: moving the positioning piece to a designed positioning position according to the positioning standard of the whole vehicle;
s22: and locking the positioning bolt to a designed positioning position through a floating nut.
2. The front end frame assembly method according to claim 1, wherein the upper beam is provided with a positioning hole, and in the step S2, the upper beam and the upright are positioned by the positioning member, specifically comprising:
and moving the upper cross beam to a position where the positioning bolt is inserted into the positioning hole so as to position the upper cross beam and the upright post.
3. The front end frame assembly method according to claim 1, wherein in the step S3, the upper beam and the upright are fixedly connected, and the method specifically includes:
and fixedly connecting the upper cross beam with the upright post through a connecting bolt.
4. The front end frame assembly method of claim 1, wherein the bottom of the floating nut box is provided with a limiting hole, and the floating nut comprises:
the nut body is connected with the screw rod part, is movably arranged in the limiting hole and is connected with the limiting plate;
and the limiting plate is connected with the nut body and is clamped in the floating nut box.
5. The front end frame assembly method of claim 4, wherein the front end frame further comprises a connection assembly provided on the upright, the connection assembly comprising a connection nut provided on the top of the inner wall of the upright and a connection bolt having one end screwed into the screw hole of the corresponding connection nut and the other end screwed into the end of the corresponding upper beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210863881.4A CN115257939B (en) | 2022-07-20 | 2022-07-20 | Front end frame assembly method and front end frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210863881.4A CN115257939B (en) | 2022-07-20 | 2022-07-20 | Front end frame assembly method and front end frame |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115257939A CN115257939A (en) | 2022-11-01 |
| CN115257939B true CN115257939B (en) | 2024-01-09 |
Family
ID=83768200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210863881.4A Active CN115257939B (en) | 2022-07-20 | 2022-07-20 | Front end frame assembly method and front end frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115257939B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0781431A (en) * | 1993-09-16 | 1995-03-28 | Nissan Motor Co Ltd | Battery frame fixing part construction for electric vehicle |
| US5409289A (en) * | 1994-02-04 | 1995-04-25 | General Motors Corporation | Cross member assembly for a vehicle frame |
| JPH1095367A (en) * | 1996-09-20 | 1998-04-14 | Nissan Motor Co Ltd | Assembly method for car body front part |
| FR2801032A1 (en) * | 1999-11-15 | 2001-05-18 | Plastic Omnium Cie | Front frame for motor vehicle chassis has upper cross member with ribs to engage grooves in headlight support frames to allow lateral adjustment |
| JP2014101014A (en) * | 2012-11-20 | 2014-06-05 | Mazda Motor Corp | Understructure of vehicle |
| CN104163204A (en) * | 2014-05-07 | 2014-11-26 | 奇瑞汽车股份有限公司 | Mounting structure for upper water tank beam and mounting method and re-mounting method thereof |
| CN106184404A (en) * | 2016-07-01 | 2016-12-07 | 奇瑞汽车股份有限公司 | A kind of front end frame of automobile structure |
| CN206155575U (en) * | 2016-11-04 | 2017-05-10 | 上汽通用汽车有限公司 | Automobile -used spiro union water tank entablature locating component |
| CN107031726A (en) * | 2016-02-04 | 2017-08-11 | 马自达汽车株式会社 | The bottom body Structure of vehicle |
| CN207000601U (en) * | 2017-06-16 | 2018-02-13 | 广州法雷奥发动机冷却有限公司 | A kind of new front end frame of automobile |
| CN209441174U (en) * | 2018-12-11 | 2019-09-27 | 蔚来汽车有限公司 | Power battery mounting assembly and vehicle |
-
2022
- 2022-07-20 CN CN202210863881.4A patent/CN115257939B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0781431A (en) * | 1993-09-16 | 1995-03-28 | Nissan Motor Co Ltd | Battery frame fixing part construction for electric vehicle |
| US5409289A (en) * | 1994-02-04 | 1995-04-25 | General Motors Corporation | Cross member assembly for a vehicle frame |
| JPH1095367A (en) * | 1996-09-20 | 1998-04-14 | Nissan Motor Co Ltd | Assembly method for car body front part |
| FR2801032A1 (en) * | 1999-11-15 | 2001-05-18 | Plastic Omnium Cie | Front frame for motor vehicle chassis has upper cross member with ribs to engage grooves in headlight support frames to allow lateral adjustment |
| JP2014101014A (en) * | 2012-11-20 | 2014-06-05 | Mazda Motor Corp | Understructure of vehicle |
| CN104163204A (en) * | 2014-05-07 | 2014-11-26 | 奇瑞汽车股份有限公司 | Mounting structure for upper water tank beam and mounting method and re-mounting method thereof |
| CN107031726A (en) * | 2016-02-04 | 2017-08-11 | 马自达汽车株式会社 | The bottom body Structure of vehicle |
| CN106184404A (en) * | 2016-07-01 | 2016-12-07 | 奇瑞汽车股份有限公司 | A kind of front end frame of automobile structure |
| CN206155575U (en) * | 2016-11-04 | 2017-05-10 | 上汽通用汽车有限公司 | Automobile -used spiro union water tank entablature locating component |
| CN207000601U (en) * | 2017-06-16 | 2018-02-13 | 广州法雷奥发动机冷却有限公司 | A kind of new front end frame of automobile |
| CN209441174U (en) * | 2018-12-11 | 2019-09-27 | 蔚来汽车有限公司 | Power battery mounting assembly and vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115257939A (en) | 2022-11-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6860669B2 (en) | Device for clamping a member adjustable relative to a support assembly | |
| CN112504693B (en) | Static rigidity test device for body-in-white structure | |
| CN115257939B (en) | Front end frame assembly method and front end frame | |
| CN116834870A (en) | Back door assembly assembling and adjusting tool assembly and assembling quality control method | |
| CN111048706B (en) | Vehicle-mounted power battery assembly and new energy vehicle | |
| CN115195870B (en) | Front end frame structure and vehicle | |
| CN111098078B (en) | Welding positioning method for tail connecting lock of large electric drive vehicle | |
| CN210707284U (en) | Front bumper installing support and car | |
| CN210849163U (en) | Gantry machining center equipment | |
| CN219029285U (en) | Detection equipment installation assembly | |
| CN219749728U (en) | Connection assembly structure and vehicle | |
| CN216634145U (en) | Top positioning tool | |
| CN208544241U (en) | Side rail and load-carrying vehicle | |
| CN221049647U (en) | Bumper support capable of absorbing multiple directional tolerances | |
| CN111236766A (en) | Adjustable car door lock catch structure and car | |
| CN217687897U (en) | General test device of a kind of steering system | |
| CN113949234B (en) | Motor stator assembling method | |
| CN217345306U (en) | Assembly fixture and assembly production line | |
| CN220320043U (en) | Coupling mechanism, battery package box and power battery | |
| CN217608069U (en) | Positioning tool for installing magnetic ring | |
| CN217513145U (en) | Integrated positioning tool for assembling forklift frame | |
| CN212461315U (en) | Linear variable differential transformer fixed bolster | |
| CN221882424U (en) | Part detection device | |
| CN220809129U (en) | Tolerance type instrument board mounting bracket structure | |
| CN217530582U (en) | Electric actuator die-casting aluminum box processing location frock |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |