CN115319667A - Passenger car rear suspension closing tool structure and closing assembly method - Google Patents
Passenger car rear suspension closing tool structure and closing assembly method Download PDFInfo
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- CN115319667A CN115319667A CN202210992169.4A CN202210992169A CN115319667A CN 115319667 A CN115319667 A CN 115319667A CN 202210992169 A CN202210992169 A CN 202210992169A CN 115319667 A CN115319667 A CN 115319667A
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- 239000003638 chemical reducing agent Substances 0.000 claims description 6
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- 239000003381 stabilizer Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 6
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
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Abstract
The invention relates to a rear suspension closing tooling structure of a passenger car and a closing assembly method, wherein the tooling structure comprises a Base plate, a closing positioning pin column, a positioning block assembly, a closing screwing screw, a positioning support column, a support block assembly, a spiral spring pressing mechanism and a wheel edge support assembly; the Base plate is divided into three areas, namely an area I, an area II and an area III, the three areas are provided with holes which are arranged in a matrix manner, and the area I is provided with a positioning block assembly, a positioning support column and a wheel edge support assembly to realize a sub-packaging process; a spiral spring pressing mechanism is arranged on the second area to realize a spring compression process; and a third area is provided with a vehicle closing positioning pin column and a vehicle closing screwing screw rod to realize a vehicle closing process. The suspension assembly tool and the spring clamp are integrated into a set of tool; change traditional spring clip into spring compression subassembly and suspension assembly fixture integration. The rear suspension split charging and rear suspension combining process is realized, the whole vehicle assembly flow is reduced, the assembly time is saved, and the manufacturing cost is reduced.
Description
Technical Field
The invention relates to the technical field of rear suspension assembly, in particular to a passenger car rear suspension closing tool structure and a closing assembly method.
Background
When the rear suspension system and the whole vehicle body are assembled, the length of the spiral spring needs to meet the designed length, so that the spiral spring needs to be compressed firstly, then the spring is arranged in the corresponding mounting groove of the control arm or the trapezoidal arm, and finally the rear suspension system and the whole vehicle body are connected through the nut. The existing assembly process is that suspension parts are assembled firstly, and then a compressed spring and a rear suspension are assembled together with a whole vehicle body through a spring clamp, so that the assembly time is too long, and the manufacturing cost is high;
patent CN207875826U in the prior art discloses an automobile rear suspension mounting tool suitable for multiple vehicle types, as shown in FIG. 1, the tool can only meet the requirements of mounting of rear suspensions of different vehicle types on the same platform, and the mounting of the rear suspension across the platform is difficult to guarantee. Meanwhile, the tool can only meet the split charging process of the suspension parts, cannot complete the whole vehicle assembling process, and still causes the problems of long assembling time and high manufacturing cost.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to overcome the defects of too long assembling time and high manufacturing cost of the rear suspension system and the whole vehicle body in the prior art, so that the invention provides the passenger vehicle rear suspension closing tool structure and the closing assembling method.
A rear suspension closing tooling structure of a passenger car comprises a Base plate, a closing positioning pin column, a positioning block assembly, a closing screwing screw, a positioning support column, a support block assembly, a spiral spring pressing mechanism and a wheel edge support assembly;
the Base plate is divided into three areas, namely an area I, an area II and an area III, the three areas are provided with holes arranged in a matrix manner, and a positioning block assembly, a positioning support column, a support block assembly and a wheel edge support assembly are arranged at the position of the area I to realize a sub-assembly process; a spiral spring pressing mechanism is arranged at the second region position to realize a spring compression process; and a vehicle closing positioning pin column and a vehicle closing screwing screw rod are arranged at the three positions of the area so as to realize a vehicle closing process.
Further, the wheel edge support assembly comprises a first support seat, a wheel edge support plate, a locking pull rod, a wheel edge support mounting plate I, a slide rail assembly, a wheel edge support mounting plate II, a wheel edge support mounting plate III, a locking pull rod support seat and an elastic stop block;
a sliding rail assembly is arranged above the wheel edge supporting and mounting plate II, a wheel edge supporting and mounting plate I is arranged above the sliding rail assembly, mounting holes distributed in an array mode are formed in the surface of the wheel edge supporting and mounting plate I, a first supporting seat is mounted on the wheel edge supporting and mounting plate I through the mounting holes, the wheel edge supporting and mounting plate I is connected to the first supporting seat, locking pull rods are mounted at two ends of the wheel edge supporting and mounting plate II through locking pull rod supports, and elastic stop blocks are arranged at positions, corresponding to the locking pull rod supports, of the two ends of the wheel edge supporting and mounting plate I;
the wheel edge supporting mounting plate III is arranged at the bottom of the wheel edge supporting mounting plate II, and the upper surface and the lower surface of the wheel edge supporting mounting plate III are not parallel.
Furthermore, the upper half part of the wheel edge supporting plate is of a semicircular curved surface structure and is provided with a semicircular long slotted hole, and the lower half part of the wheel edge supporting plate is fixedly connected with the first supporting seat.
Further, the spiral spring pressing mechanism comprises a pressing mechanism bottom plate I, a sliding rail assembly, a pressing mechanism bottom plate II, a control arm supporting table assembly, a spring clamping piece belt supporting seat assembly, a sliding rail assembly II, a screw rod shaft seat, a vertical plate, a cover plate, a screw rod nut, a bearing I and a bearing II;
a slide rail assembly is arranged above the pressing mechanism bottom plate I, a pressing mechanism bottom plate II is arranged above the slide rail assembly, the upper surface of the pressing mechanism bottom plate II is fixedly connected with a control arm supporting platform assembly, a screw rod shaft seat and a vertical plate, a slide rail assembly II is arranged in the vertical direction of the vertical plate, the slide rail assembly II is fixedly connected with the rear end of the spring clamping piece belt support assembly, the cover plate is fixedly connected with the top of the vertical plate, and the screw rod sequentially penetrates through a bearing II on the cover plate, a screw rod nut on the spring clamping piece belt support assembly, the screw rod shaft seat and a bearing I on the pressing mechanism bottom plate II from top to bottom; and when the pressing mechanism bottom plate II moves to a working area, the plug pin III is inserted for locking.
Further, the spring clamping piece belt support assembly comprises a spring clamping piece and a clamping piece support;
the spring clamping piece is integrally of a pincerlike structure, the inner ring is of a spiral surface structure, the outer ring is of a rib plate structure, a rectangular groove is formed in the tail portion of the spring clamping piece, a clamping pin is arranged in the groove, a small spring is arranged at the bottom of the clamping pin, two cylindrical protrusions are arranged on the upper surface of the clamping pin, one of the cylindrical protrusions is clamped into a cylindrical hole of a clamping piece support, and a clamping plate is arranged between the two cylindrical protrusions.
Furthermore, the control arm support platform assembly comprises a base, a large gear, a rack block I, a control arm clamping piece connecting block, a control arm clamping piece, a rotating screw, a rotating rod, an upper cover and a rack block II;
the rack block I and the rack block II are respectively positioned at two sides of the big gear, and are both in matched connection with the big gear; the rotary screw is connected with the rack block II in a thread fit manner, and the rotating rod is in clearance fit with the rack block I; the two control arm clamping piece connecting blocks are respectively matched and connected with the rack block I and the rack block II through a plane trapezoidal thread at the top of the rack block I and a plane trapezoidal thread at the top of the rack block II, protrusions are arranged at the tops of the two control arm clamping piece connecting blocks, the protrusions are matched and connected with grooves of the upper cover, and the height of the protrusions is larger than that of the upper cover; the groove at the bottom of the control arm clamping piece is matched with the protrusion at the top of the control arm clamping piece connecting block, and the control arm clamping piece is fixedly connected with the control arm clamping piece connecting block through a bolt.
Further, the positioning block assembly comprises a positioning pin column, a pin column connecting assembly, an insertion and extraction pin I and a second supporting seat;
the locating pin post passes through coupling assembling to be fixed to the second supporting seat on, plug pin I sets up in the round pin axle hole of round pin post coupling assembling, and after this part process was accomplished the assembly, extract plug pin I, round pin post coupling assembling drives the locating pin post and falls around A point rotation together.
Furthermore, the supporting block assembly comprises a supporting block, a supporting block connecting component, a plug pin II and a third supporting seat;
the supporting block passes through the supporting block coupling assembling and is connected with the third supporting seat, and plug pin II sets up in the round pin shaft hole of supporting block coupling assembling, and after this part process was accomplished the assembly, extract plug pin II, supporting block coupling assembling drove the supporting block and fell around the B point rotation.
Further, the closing and screwing screw comprises a screw, a compression spring, a sliding bearing, a bearing cover plate and a screwing screw support;
the screw rod runs through compression spring and slide bearing, and the screw rod support is screwed up in the assembly of three, and the bearing apron is pressed in from screwing up screw rod support bottom and is restricted compression spring, slide bearing and partial screw rod in screwing up the screw rod support inside.
A car closing assembly method based on any one of the rear suspension car closing tool structures of the passenger car comprises an S1 split charging process, an S2 spring compression process and an S3 car closing process;
the S1 sub-packaging process specifically comprises the following steps:
s1.1, corresponding the positioning hole of the auxiliary frame to the positioning block assembly and the positioning support and placing the auxiliary frame on a tool;
s1.2, supporting a rear main reducer through a supporting block assembly, and assembling the rear main reducer with a rear auxiliary frame;
s1.3, the initial position of the wheel edge supporting assembly is located on the outermost side of the tool, the wheel edge assembly is fixed through the wheel edge supporting plate, the wheel edge supporting assemblies on the two sides are closed after the driving shaft is inserted, and a control arm is assembled;
s1.4, mounting a rear sliding column and a rear stabilizer bar;
the S2 spring compression process specifically comprises the following steps:
s2.1, moving a spiral spring pressing mechanism to enable a control arm supporting platform assembly to support and then lower a control arm, clamping the control arm through a control arm clamping piece, and slightly screwing a lead screw to enable a spring clamping piece to be attached to the second last turn of the spiral spring;
s2.2, screwing the upper end of the screw rod through the air gun to drive the spring clamping piece to move downwards to compress the spiral spring;
the S3 turning-on process specifically comprises the following steps: the rear auxiliary frame is fixed with the body-in-white, the screw rod is screwed from the lower part to loosen the spring clamping piece, the spring pressing mechanism is removed, and the whole tool is separated from the rear suspension.
Compared with the traditional process, the suspension assembly tool and the spring clamp are integrated into a set of tool; the suspension assembly part of the tool realizes modular design, and the assembly of the suspensions of most passenger vehicles can be met through the combination of modular functional components; corresponding assembly limiting components are designed in the clamp, so that the installation angle of important components in a rear suspension system is effectively ensured; meanwhile, the traditional spring clamp is improved into a spring compression assembly and is integrated with a suspension assembly tool; through the measures, the working procedures of split charging and combined charging of the rear suspension are realized; the whole vehicle assembly process is reduced, the assembly time is saved, and the manufacturing cost is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a prior art rear suspension mounting tool for an automobile;
FIG. 2 is a schematic structural view of a rear suspension closing tool of the present invention;
FIG. 3 is a schematic view of a wheel rim support assembly;
FIG. 4 is a schematic view of a supporting seat;
FIG. 5 is a schematic view of the wheel support plate;
FIG. 6 is a schematic view of a positioning block assembly;
FIG. 7 is a schematic view of a support block assembly;
FIG. 8 is a schematic view of a coil spring hold down mechanism;
FIG. 9 is a schematic view of the assembly of the spring hold-down mechanism actuator;
FIG. 10 is a schematic view of a spring clip belt support assembly;
FIG. 11 is a schematic view of a spring clip installation;
FIG. 12 is a schematic view of the control arm support table assembly;
FIG. 13 is a schematic view of the combination of the tightening screws;
FIG. 14 is a distribution diagram of the tooling operating area;
FIG. 15 is a schematic view of a Base plate profile;
FIG. 16 is a schematic view of a transfer angle of a rack block;
FIG. 17 is a rear suspension close-up assembly flow chart;
description of reference numerals:
1-Base plate; 2-closing the vehicle positioning pin column; 3-a positioning block assembly;
4-closing and screwing the screw; 5-positioning the supporting column; 6-a support block assembly;
7-a helical spring hold-down mechanism; 8-a wheel-rim support assembly; 9-a support seat;
10-wheel edge supporting plate; 11-locking the pull rod; 12-wheel edge supporting mounting plate I;
13-a slide rail assembly; 14-wheel edge supporting mounting plate II; 15-wheel edge supporting mounting plate III;
16-locking the pull rod support; 17-a resilient stop; 18-locating pins;
19-a pin connection assembly; 20-plug pin I; 21-a support block;
22-a support block connection assembly; 23-plug pin II; 24-a hold-down mechanism base plate i;
25-a slide rail assembly I; 26-a pressing mechanism bottom plate II; 27-control arm support table assembly;
28-spring clip tape holder assembly; 29-sliding rail assembly II; 30-a lead screw;
31-lead screw shaft seat; 32-vertical plate; 33-cover plate;
34-a lead screw nut; 35-a spring clip; 36-spring clip support;
37-bearing I; 38-bearing II; 39-clamping plate;
40-bayonet lock; 41-small spring; 42-a base;
43-bull gear; 44-rack block I; 45-control arm clamping piece connecting block;
46-a control arm clip; 47-rotating the screw; 48-rotating rod;
49-upper cover; 50-rack block II; 51-screw rod;
52-a compression spring; 53-plain bearings; 54-bearing cover plate;
55-screwing the screw support; 56-plug pin III;
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but 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 thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Referring to fig. 2, 14 and 15, a passenger car rear suspension closing tooling structure is characterized by comprising a Base plate 1, a closing positioning pin column 2, a positioning block assembly 3, a closing tightening screw rod 4, a positioning support column 5, a supporting block assembly 6, a spiral spring pressing mechanism 7 and a wheel edge supporting assembly 8;
the appearance of the Base plate 1 is shown in fig. 15, the outline dimension is 2200mm × 800mm, the thickness is 20mm, the Base plate 1 is provided with mounting holes according to functional partitions, the processing cost is saved while high generalization is achieved, the Base plate 1 is divided into three regions, namely a region I, a region II and a region III, the three regions are provided with phi 8 slotted holes and matrix holes with the interval of 40mm, and a positioning block assembly 3, a positioning support column 5, a support block assembly 6 and a wheel edge support assembly 8 are mounted on the region I to achieve a split charging process; a spiral spring pressing mechanism 7 is arranged at the second region position to realize a spring compression process; and a closing positioning pin column 2 and a closing screwing screw rod 4 are arranged at the third position of the area so as to realize a closing process. The Base plate 1 is divided into regions, and positioning points, supporting points and spring compression point positions required by assembly of common rear suspension forms (including independent suspensions such as a multi-connecting rod and a trapezoid arm) are comprehensively considered. During tool design, according to the characteristics of rear suspensions of different vehicle types, the functional components required by assembly are combined in the corresponding installation area of the Base plate 1.
As shown in fig. 4, the supporting seat 9 is an important component for realizing the generalization of the tool, in the invention, the supporting seat 9 includes a first supporting seat, a second supporting seat and a third supporting seat, the upper part of the supporting seat 9 is a rectangular array structure formed by combining bolt holes and pin holes and used for connecting with various functional components in the tool, and the lower part of the supporting seat 9 is a square flange structure used for connecting with a Base plate. The supporting seat 9 has several groups of height specifications, which are respectively 100mm, 150mm, 200mm and 300mm, and the height specifications of the supporting block are matched according to the assembly position requirements of different suspension parts during tool design. Due to the existence of the mounting holes and the positioning holes distributed in the matrix, each functional module can meet the mounting requirement of high degree of freedom, and comprises a positioning block assembly 3, a supporting block assembly 6 and a wheel edge supporting assembly 8.
Referring to fig. 3, the wheel-side support assembly 8 includes a first support seat, a wheel-side support plate 10, a locking pull rod 11, a wheel-side support mounting plate i 12, a slide rail assembly 13, a wheel-side support mounting plate ii 14, a wheel-side support mounting plate iii 15, a locking pull rod support 16, and an elastic stop 17; when the components such as a brake disc, a steering knuckle, a brake caliper and the like are assembled, the wheel edge support assembly 8 plays a role in positioning and supporting;
a sliding rail assembly 13 is arranged above the wheel edge supporting and mounting plate II 14, a wheel edge supporting and mounting plate I12 is arranged above the sliding rail assembly 13, the partial structure on the wheel edge supporting and mounting plate I12 can be guaranteed to freely slide on a sliding rail so as to meet the mounting space of a driving shaft, mounting holes distributed in an array mode are formed in the surface of the wheel edge supporting and mounting plate I12, a first supporting seat can be mounted at any position on the surface of the first supporting seat, the wheel edge supporting plate 10 is connected to the first supporting seat, locking pull rods 11 are mounted at two ends of the wheel edge supporting and mounting plate II 14 through locking pull rod supports 16, when the partial structure on the wheel edge supporting and mounting plate I12 moves to the assembling positions at two ends of the sliding rail assembly, the locking pull rods can be used for fastening, the assembling stability of parts is guaranteed, elastic stop blocks 17 are arranged at the positions, corresponding to the locking pull rod supports 16, at two ends of the wheel edge supporting and mounting plate I12, and the elastic stop blocks 17 play a role in buffering function;
and a wheel edge supporting mounting plate III 15 is arranged at the bottom of the wheel edge supporting mounting plate II 14, and the upper surface and the lower surface of the wheel edge supporting mounting plate III 15 are not parallel and used for angle compensation of the wheel edge supporting assembly 8 and the Base plate 1.
As shown in fig. 5, the first half structure of the wheel-side supporting plate 10 is used for supporting and fixing the brake disc, the first half structure is a semi-circular curved surface structure, the semi-circular curved surface is in contact with the cylindrical end surface of the brake disc to play a supporting role, the wheel-side supporting plate 10 is provided with a semi-circular long slotted hole, the semi-circular long slotted hole is matched with any 3 of the five hub bearing bolts, and the lower half part of the wheel-side supporting plate 10 is fixedly connected with the first supporting seat through a nut.
Referring to fig. 8 to 11, the spiral spring pressing mechanism 7 includes a pressing mechanism bottom plate i 24, a sliding rail assembly 25, a pressing mechanism bottom plate ii 26, a control arm support platform assembly 27, a spring clip belt support assembly 28, a sliding rail assembly ii 29, a lead screw 30, a lead screw shaft seat 31, a vertical plate 32, a cover plate 33, a lead screw nut 34, a bearing i 35, and a bearing ii 38;
a sliding rail assembly 25 is arranged above the pressing mechanism bottom plate I24, a pressing mechanism bottom plate II 26 is arranged above the sliding rail assembly 25, the upper end structure of the pressing mechanism bottom plate II 26 can freely slide along a sliding rail to ensure the initial installation space of a spiral spring, a main execution component for realizing spring pressing is arranged at the upper end of the pressing mechanism bottom plate II 26, the upper surface of the pressing mechanism bottom plate II 26 is fixedly connected with a control arm support platform assembly 27, a lead screw shaft seat 31 and a vertical plate 32, a sliding rail assembly II 29 is arranged in the vertical direction of the vertical plate 32, the sliding rail assembly II 29 is fixedly connected with the rear end of a spring clamping piece belt support assembly 28, a cover plate 33 is fixedly connected with the top of the vertical plate 32, and a lead screw 30 sequentially penetrates through a bearing II 38 on the cover plate 33, a lead screw nut 34 on the spring clamping piece belt support assembly 28, the lead screw shaft seat 31 and a bearing I35 on the pressing mechanism bottom plate II 26 from top to bottom; when the pressing mechanism base plate II 26 moves to the working area, the plug pin III 56 is inserted for locking.
The spring clip tape support assembly 28 comprises a spring clip 35 and a clip support 36;
The assembly process of the spring pressing mechanism execution part comprises the following steps: firstly, assembling a bearing I35 at the lower end of a screw rod 30, then integrally pressing the part into a pressing mechanism bottom plate II 26, and penetrating the part into a screw rod shaft seat 31; pre-mounting a screw nut 34 and a spring clip support 36 into a whole, then mounting a sliding rail assembly II 34 to the rear side of the spring clip support 36, integrally screwing a screw 30 into the part, and connecting a sliding rail assembly II 29 with a vertical plate 32; and (4) sleeving the bearing II 38 at the top of the screw rod 30, and screwing the pressing cover plate 33 to finish assembly.
Referring to fig. 12, the control arm supporting platform assembly 27 includes a base 42, a large gear 43, a rack block i 44, a control arm clip connecting block 45, a control arm clip 46, a rotary screw 47, a rotating rod 48, an upper cover 49, and a rack block ii 50;
the rack gear 43 is connected with a circular boss in the middle of the top of the base 42 in a matched mode, the rack gear 43 can rotate freely, the rack block I44 and the rack block II 50 are fixed to the top of the base 42 through the rotating rod 48 and the rotating screw rod 47 respectively, the rack block I44 and the rack block II 50 are located on two sides of the rack gear 43 respectively, and the rack block I44 and the rack block II 50 are connected with the rack gear 43 in a matched mode; the rotary screw 47 is connected with the rack block II 50 in a thread fit manner, and the rotary rod 48 is a polished rod in clearance fit with the rack block I44; the number of the control arm clamping piece connecting blocks 45 is two, the two control arm clamping piece connecting blocks 45 are respectively connected with the rack block I44 and the rack block II 50 in a matched mode through a plane trapezoidal thread on the top of the rack block I44 and a plane trapezoidal thread on the top of the rack block II 50, protrusions are arranged on the tops of the two control arm clamping piece connecting blocks 45, the protrusions are connected with the grooves of the upper cover 49 in a matched mode, and the height of the protrusions is larger than that of the upper cover 49; the protruding cooperation at control arm clamping piece 46 bottom recess and control arm clamping piece connecting block 45 top, and control arm clamping piece 46 and control arm clamping piece connecting block 45 pass through the bolt and link firmly, twist rotatory screw rod 47, rack piece II 50 can be followed the x direction and removed, it is rotatory to drive gear wheel 43, on the other hand, rack piece I44 with gear wheel 43 complex can be followed with rack piece II 50 opposite direction and removed, and then drive two control arm clamping piece connecting blocks 45 and do the motion in opposite directions along the y axle, realize the function of pressing from both sides tight control arm, rack piece I44 and rack piece II 50 move along the slot direction of upper cover 49.
As shown in fig. 16, the optimum transfer angle θ of the two rack blocks and the control arm clip connecting block 45 is such that the planar trapezoidal threads on the surface of the rack blocks have an angle θ with the x-axis in order to convert the x-direction movement of the rack blocks into the y-direction movement of the control arm clip connecting block 45. In designing the tool, it is necessary to consider the convenience of using the tool, that is, when the same rotational force is applied to the rotational screw 47, the force value of the control arm clip connecting block 45 in the y-axis direction is the largest. Assuming that the load applied to the rack bar block by the rotary screw 47 is F1, the load ultimately applied to the control arm clip connecting block 45 is F3 by force analysis, and if θ =45 °, F3 takes a maximum value, and thus the optimal transmission angle between the rack bar block and the control arm clip connecting block 45 is 45 °.
Referring to fig. 6, the positioning block assembly 3 includes a positioning pin 18, a pin connecting assembly 19, an inserting and pulling pin i 20, and a second support seat; when the rear auxiliary frame is assembled, the positioning block assembly 3 plays a role in positioning and supporting.
The locating pin column 18 is fixed to the second supporting seat through the connecting assembly 19, the plug pin I20 is arranged in a pin shaft hole of the pin column connecting assembly 19, after the assembly of the part of processes is completed, the plug pin I20 is pulled out, and the pin column connecting assembly 19 drives the locating pin column 18 to rotate around the point A and fall to the position of the dotted line shown in the drawing.
Referring to fig. 7, the supporting block assembly 6 includes a supporting block 21, a supporting block connecting assembly 22, a plug pin ii 23 and a third supporting seat; the supporting seat assembly 6 is used for supporting suspension parts such as a rear auxiliary frame, a power assembly, a control arm and the like.
Supporting shoe 21 is the nylon material, can protect the surface of assembly spare part, supporting shoe 21 is connected with the third supporting seat through supporting shoe coupling assembling 22, and the supporting shoe 21 surface is mostly the plane, also can be according to assembly part contact surface shape, designs for following shape laminating curved surface, and plug pin II 23 sets up in supporting shoe coupling assembling 22's round pin axle hole, accomplishes the assembly back when this part process, extracts plug pin II 23, and supporting shoe coupling assembling 22 drives supporting shoe 21 and falls to the dotted line position of figure in around the B point rotation.
Referring to fig. 13, the closing screw 4 includes a screw 51, a compression spring 52, a sliding bearing 53, a bearing cover plate 54 and a screw support 55;
the screw 51 penetrates through the compression spring 52 and the sliding bearing 53, the combination of the compression spring 52 and the sliding bearing 53 is sleeved into the tightening screw support 55, and the bearing cover plate 54 is pressed in from the bottom of the tightening screw support 55 to limit the compression spring 52, the sliding bearing 53 and part of the screw 51 inside the tightening screw support 55. After assembly, the screw 51 is free to slide and rotate along its own axis. The upper end of the screw 51 is provided with an inner hexagonal groove, and the lower end is provided with an outer hexagonal boss.
Referring to fig. 17, the present invention further includes any one of the car closing assembly methods of the rear suspension car closing tool structure for passenger cars, and the specific flow includes an S1 sub-assembly process, an S2 spring compression process, and an S3 car closing process;
the S1 sub-packaging process specifically comprises the following steps:
s1.1, corresponding the positioning hole of the auxiliary frame to the positioning block assembly 3 and the positioning support column 5, and placing the auxiliary frame on a tool;
s1.2, supporting the rear main reducer through a supporting block assembly 6, and assembling the rear main reducer with a rear auxiliary frame;
s1.3, the initial position of a wheel edge support assembly 8 is located on the outermost side of the tool, the wheel edge assembly is fixed through a wheel edge support plate 10, a drive shaft is inserted, then the wheel edge support assemblies 8 on the two sides are closed, and a control arm is assembled;
s1.4, mounting a rear sliding column and a rear stabilizer bar;
the S2 spring compression process specifically comprises the following steps:
s2.1, moving the spiral spring pressing mechanism 7 to enable the control arm supporting platform assembly 27 to support the rear lower control arm, clamping the control arm through a control arm clamping piece 46, and slightly screwing the screw rod 30 to enable the spring clamping piece 35 to be attached to the last coil of the spiral spring;
s2.2, screwing the upper end of the screw rod 30 through the air gun to drive the spring clamping piece to move downwards to compress the spiral spring;
the S3 turning-on process specifically comprises the following steps: the vehicle closing positioning pin column 2 is aligned to a white vehicle body positioning hole, the rear suspension system is lifted, the vehicle closing screwing screw rod 4 is screwed, the rear auxiliary frame and the white vehicle body are fixed, the screw rod 30 is screwed from the lower part to loosen the spring clamping piece 35, the spring pressing mechanism 7 is moved away, and the whole tool is separated from the rear suspension.
The invention integrates the suspension assembly tool and the spring clamp into a set of tool. The suspension assembly part of the tool realizes modular design, and the assembly of the suspensions of most passenger vehicles can be met through the combination of modular functional components; the corresponding assembly limiting component is designed in the clamp, so that the installation angle of important components in the rear suspension system is effectively ensured; simultaneously, improve traditional spring clip into spring compression subassembly, integrate with suspension assembly fixture. Through the measures, the processes of rear suspension split charging and rear suspension combination are realized. The whole vehicle assembly process is reduced, the assembly time is saved, and the manufacturing cost is reduced.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (10)
1. A passenger car rear suspension closing tooling structure is characterized by comprising a Base plate (1), a closing positioning pin column (2), a positioning block assembly (3), a closing screwing screw rod (4), a positioning support column (5), a support block assembly (6), a spiral spring pressing mechanism (7) and a wheel edge support assembly (8);
the Base plate (1) is divided into three areas, namely an area I, an area II and an area III, wherein the three areas are provided with holes which are arranged in a matrix manner, and a positioning block assembly (3), a positioning support column (5), a supporting block assembly (6) and a wheel edge supporting assembly (8) are arranged at the position of the area I to realize a split charging process; a spiral spring pressing mechanism (7) is arranged at the second region position to realize a spring compression process; and a vehicle closing positioning pin column (2) and a vehicle closing screwing screw rod (4) are arranged at the three positions of the area to realize a vehicle closing process.
2. The passenger car rear suspension closing tooling structure according to claim 1, wherein the wheel-side support assembly (8) comprises a first support seat, a wheel-side support plate (10), a locking pull rod (11), a wheel-side support mounting plate I (12), a slide rail assembly (13), a wheel-side support mounting plate II (14), a wheel-side support mounting plate III (15), a locking pull rod support seat (16) and an elastic stop block (17);
a sliding rail assembly (13) is arranged above the wheel edge supporting mounting plate II (14), a wheel edge supporting mounting plate I (12) is arranged above the sliding rail assembly (13), mounting holes distributed in an array are formed in the surface of the wheel edge supporting mounting plate I (12), the first supporting seat is mounted on the wheel edge supporting mounting plate I (12) through the mounting holes, the wheel edge supporting plate (10) is connected onto the first supporting seat, locking pull rods (11) are mounted at two ends of the wheel edge supporting mounting plate II (14) through locking pull rod supports (16), and elastic stop blocks (17) are arranged at positions, corresponding to the locking pull rod supports (16), of the two ends of the wheel edge supporting mounting plate I (12);
wheel limit supports mounting panel II (14) bottom and is equipped with wheel limit and supports mounting panel III (15), wheel limit supports mounting panel III (15) upper and lower two sides nonparallel.
3. The passenger car rear suspension closing tool structure according to claim 2, wherein the upper half part of the wheel supporting plate (10) is a semicircular curved surface structure and is provided with a semicircular long slot hole, and the lower half part of the wheel supporting plate (10) is fixedly connected with the first supporting seat.
4. The passenger car rear suspension closing tool structure according to claim 1, wherein the spiral spring pressing mechanism (7) comprises a pressing mechanism bottom plate I (24), a sliding rail assembly (25), a pressing mechanism bottom plate II (26), a control arm support platform assembly (27), a spring clamp strip support assembly (28), a sliding rail assembly II (29), a lead screw (30), a lead screw shaft seat (31), a vertical plate (32), a cover plate (33), a lead screw nut (34), a bearing I (35) and a bearing II (38);
a sliding rail assembly (25) is arranged above the pressing mechanism bottom plate I (24), a pressing mechanism bottom plate II (26) is arranged above the sliding rail assembly (25), a control arm support platform assembly (27), a lead screw shaft seat (31) and a vertical plate (32) are fixedly connected to the upper surface of the pressing mechanism bottom plate II (26), a sliding rail assembly II (29) is arranged on the vertical plate (32) in the vertical direction, the sliding rail assembly II (29) is fixedly connected with the rear end of the spring clamping piece belt support assembly (28), the cover plate (33) is fixedly connected to the top of the vertical plate (32), and the lead screw (30) sequentially penetrates through a bearing II (38) on the cover plate (33), a lead screw nut (34) on the spring clamping piece belt support assembly (28), the lead screw shaft seat (31) and a bearing I (35) on the pressing mechanism bottom plate II (26) from top to bottom; and when the pressing mechanism base plate II (26) moves to a working area, inserting and pulling pins III (56) for locking.
5. The passenger car rear suspension ride-on assembly structure according to claim 4, wherein the spring clip belt support assembly (28) comprises a spring clip (35) and a clip support (36);
spring clamping piece (35) wholly is pincers-shaped structure, and the inner circle is the helicoid structure, and the outer lane is similar gusset structure, and spring clamping piece (35) afterbody is equipped with a rectangle recess, is equipped with bayonet lock (40) in the recess, and bayonet lock (40) bottom is equipped with little spring (41), bayonet lock (40) upper surface is equipped with two cylinder protrudingly, and one of them cylinder is protruding to be gone into in the cylinder hole of clamping piece support (36), is equipped with cardboard (39) between two cylinder protrudingly.
6. The passenger car rear suspension closing tooling structure according to claim 4, wherein the control arm support platform assembly (27) comprises a base (42), a gearwheel (43), a rack block I (44), a control arm clamping piece connecting block (45), a control arm clamping piece (46), a rotating screw (47), a rotating rod (48), an upper cover (49) and a rack block II (50);
the rack wheel (43) is connected with a circular boss in the middle of the top of the base (42) in a matched mode, the rack block I (44) and the rack block II (50) are fixed to the top of the base (42) through a rotating rod (48) and a rotating screw rod (47) respectively, the rack block I (44) and the rack block II (50) are located on two sides of the rack wheel (43) respectively, and the rack block I (44) and the rack block II (50) are connected with the rack wheel (43) in a matched mode; the rotary screw (47) is connected with the rack block II (50) in a threaded fit manner, and the rotary rod (48) is in clearance fit with the rack block I (44); the two control arm clamping piece connecting blocks (45) are respectively connected with the rack block I (44) and the rack block II (50) in a matching mode through a plane trapezoidal thread at the top of the rack block I (44) and a plane trapezoidal thread at the top of the rack block II (50), protrusions are arranged at the tops of the two control arm clamping piece connecting blocks (45), the protrusions are connected with the grooves of the upper cover (49) in a matching mode, and the height of the protrusions is larger than that of the upper cover (49); the bottom groove of the control arm clamping piece (46) is matched with the protrusion at the top of the control arm clamping piece connecting block (45), and the control arm clamping piece (46) is fixedly connected with the control arm clamping piece connecting block (45) through a bolt.
7. The passenger car rear suspension closing tool structure according to claim 1, wherein the positioning block assembly (3) comprises a positioning pin (18), a pin connecting assembly (19), an inserting and pulling pin I (20) and a second supporting seat;
locating pin post (18) are fixed to the second supporting seat through coupling assembling (19), and plug pin I (20) set up in the round pin shaft hole of round pin post coupling assembling (19), accomplish the assembly back when this part process, extract plug pin I (20), and round pin post coupling assembling (19) drive locating pin post (18) and fall around A point is rotatory together.
8. The passenger car rear suspension closing tool structure according to claim 1, wherein the support block assembly (6) comprises a support block (21), a support block connecting component (22), a plug pin II (23) and a third support seat;
supporting shoe (21) are connected with the third supporting seat through supporting shoe coupling assembling (22), and plug pin II (23) set up in the round pin shaft hole of supporting shoe coupling assembling (22), and after this part process was accomplished the assembly, plug pin II (23) were pulled out, and supporting shoe coupling assembling (22) drive supporting shoe (21) and fall around the B point rotation.
9. The passenger car rear suspension closing tool structure according to claim 1, wherein the closing screw (4) includes a screw (51), a compression spring (52), a sliding bearing (53), a bearing cover plate (54), and a closing screw support (55);
the screw (51) penetrates through the compression spring (52) and the sliding bearing (53), the combination of the compression spring (52) and the sliding bearing (53) is sleeved into the screwing screw support (55), and the bearing cover plate (54) is pressed into the screwing screw support (55) from the bottom of the screwing screw support to limit the compression spring (52), the sliding bearing (53) and part of the screw (51) inside the screwing screw support (55).
10. A vehicle closing assembly method based on the rear suspension vehicle closing assembly structure of the passenger vehicle as claimed in any one of claims 1 to 9, wherein the specific flow comprises an S1 split charging process, an S2 spring compression process and an S3 vehicle closing process;
the S1 sub-packaging process specifically comprises the following steps:
s1.1, corresponding the positioning hole of the auxiliary frame to the positioning block assembly (3) and the positioning support (5), and placing the auxiliary frame on a tool;
s1.2, supporting a rear main reducer through a supporting block assembly (6), and assembling the rear main reducer with a rear auxiliary frame;
s1.3, the initial position of a wheel edge supporting assembly (8) is located on the outermost side of the tool, the wheel edge assembly is fixed through a wheel edge supporting plate (10), a driving shaft is inserted, then the wheel edge supporting assemblies (8) on the two sides are closed, and a control arm is assembled;
s1.4, mounting a rear sliding column and a rear stabilizer bar;
the S2 spring compression process specifically comprises the following steps:
s2.1, moving a spiral spring pressing mechanism (7), enabling a control arm supporting platform assembly (27) to support the lower control arm, clamping the control arm through a control arm clamping piece (46), and slightly screwing a screw rod (30) to enable a spring clamping piece (35) to be attached to the last coil of the spiral spring;
s2.2, screwing the upper end of the screw rod (30) through the air gun to drive the spring clamping piece to move downwards to compress the spiral spring;
the S3 closing process specifically comprises the following steps: the vehicle closing positioning pin column (2) is aligned to a white vehicle body positioning hole, the rear suspension system is lifted up through lifting, the vehicle closing screwing screw (4) is screwed, the rear auxiliary frame is fixed with the white vehicle body, the screw rod (30) is screwed from the lower side to loosen the spring clamping piece (35), the spring pressing mechanism (7) is removed, and the tool is integrally separated from the rear suspension.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210992169.4A CN115319667A (en) | 2022-08-18 | 2022-08-18 | Passenger car rear suspension closing tool structure and closing assembly method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210992169.4A CN115319667A (en) | 2022-08-18 | 2022-08-18 | Passenger car rear suspension closing tool structure and closing assembly method |
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| CN115319667A true CN115319667A (en) | 2022-11-11 |
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Cited By (1)
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| CN117039530A (en) * | 2023-08-21 | 2023-11-10 | 上海理工大学 | Plug mechanism with self-positioning function |
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