Automobile front bumper installation gap positioning device

Abstract

The application discloses a kind of automobile front bumper installation gap positioning device, relate to the structural design and manufacturing technology field of vehicle front bumper installation and gap positioning, including positioning device, linkage mechanism and linkage unlocking mechanism, positioning device includes left positioning device and right positioning device, linkage mechanism includes linkage cable and linkage pulley, linkage pulley includes left lower linkage pulley, left upper linkage pulley, right lower linkage pulley, right upper linkage pulley and steering pulley, linkage unlocking mechanism includes cable, unlocking mechanism and positioning device, unlocking mechanism includes lever, pull rod, button, push rod, button handle and upper tension spring.The positioning device simultaneously pushes out four positioning pins set on the left and right sides and up and down, accurately slides into the position of the reserved gap between the bumper and the vehicle body, simultaneously realizes the front and rear gap adjustment of the vehicle front bumper and the face difference adjustment of the vehicle front bumper and the vehicle hood, has accurate adjustment, convenient and fast adjustment process, greatly improves assembly efficiency.

Description

TECHNICAL FIELD

[0001] The application relates to a front bumper installation gap positioning device for positioning the gap between the two ends of a vehicle front bumper and a vehicle body, and relates to the technical field of structural design and manufacturing of vehicle front bumper installation and gap positioning. BACKGROUND

[0002] With the development of society, vehicles have become an indispensable important tool, and the vehicles, as important traffic transport tools, have a very important influence on the production and life of society and people; in the vehicle production process, the assembly effect and assembly efficiency of the vehicle affect the production quality and production speed of the vehicle; and when the existing vehicle assembles the front bumper, the vehicle hood is usually adjusted in an artificial manner or a pad is added in a mode such as an open type, a rotary type and a flat pushing type to adjust the surface difference between the front bumper and the vehicle hood, and the problem is avoided by modifying the shape, but the modification effect is limited, and when the surface difference is adjusted, the front bumper surface is often repeatedly knocked or the vehicle body panel is repeatedly knocked to obtain a flat effect, therefore, the existing front bumper surface difference adjusting mode has poor adjusting effect, is prone to damaging the paint surface of the vehicle body, is time-consuming and labor-consuming, and has low assembly efficiency.

[0003] The utility model discloses a vehicle front bumper installation and gap surface difference adjusting structure, including vehicle front end frame, front bumper, dynamic adjusting part, adjusting bolt and mounting bolt, dynamic adjusting part includes first adjusting part and second adjusting part who cooperates with each other, first adjusting part is fixed on the upper surface of vehicle front end frame, second adjusting part is slidably supported on first adjusting part, is used for adjusting the installation height of front bumper, mounting bolt is in order from top to bottom through front bumper, second adjusting part, first adjusting part and vehicle front end frame, and will connect front bumper on vehicle front end frame, the adjusting bolt passes through front bumper, and makes the front end of the screw rod part and is screwed between first adjusting part and second adjusting part, adjusts the installation height of front bumper, the installation adjusting structure has excellent gap surface difference adjusting effect, and the adjusting process is convenient and fast, and greatly improves assembly efficiency. When the technology is implemented bumper installation adjustment, first and second adjusting part need to be repeatedly adjusted, although the adjusting effect is good, but it is more troublesome in use, and it is not conducive to the fast installation rhythm of the production line. SUMMARY

[0004] The purpose of the present application is to design a one-time positioning and adjusting accurate automobile front bumper installation gap positioning device with excellent gap surface difference adjusting effect to overcome the shortcomings of the prior art.

[0005] The positioning device comprises a left positioning device and a right positioning device.

[0006] The left positioning device is composed of four vertical columns and one square frame structure above and below, and the four vertical columns are fixed at the four corners of the square frame structure above and below, respectively.

[0007] A left sliding vertical rod is arranged in the middle of the square frame structure above the four vertical columns of the left positioning device, and a sliding handle is connected to the upper end of the left sliding vertical rod, and a left sliding block is sleeved in the middle of the sliding handle and the left sliding vertical rod.

[0008] When the sliding handle is moved, the left sliding block slides forward and backward in the left sliding groove.

[0009] A transverse support arm is arranged at the upper and lower ends of the left sliding vertical rod in the longitudinal direction, a left upper positioning pin is arranged at the front end of the left upper transverse support arm, and a left lower positioning pin is arranged at the front end of the left lower transverse support arm.

[0010] The lower end of the left sliding vertical rod is fixed on the left lower sliding block, and the left lower sliding block is slidably sleeved on the left lower sliding rod; the two ends of the left lower sliding rod are fixed on the two edge rods of the lower square frame structure corresponding to the two ends of the left lower sliding rod.

[0011] The right positioning device is composed of four vertical columns and one square frame structure above and below, and the four vertical columns are fixed at the four corners of the square frame structure above and below, respectively.

[0012] A left sliding groove is fixedly arranged in the middle of the square frame structure above the four vertical columns of the right positioning device; a right sliding vertical rod is arranged in the middle of the four vertical columns, and a right sliding block is fixed to the upper end of the right sliding vertical rod.

[0013] A transverse support arm is arranged at the upper and lower ends of the right sliding vertical rod in the longitudinal direction, a right upper positioning pin is arranged at the front end of the right upper transverse support arm, and a right lower positioning pin is arranged at the front end of the right lower transverse support arm.

[0014] The lower end of the right sliding vertical rod is fixed on the right lower sliding block, and the right lower sliding block is slidably sleeved on the right lower sliding rod; the two ends of the right lower sliding rod are fixed on the two edge rods of the right lower square frame structure corresponding to the right lower sliding rod.

[0015] Preferably, left and right shock-absorbing springs are arranged in the middle sections of the left and right sliding vertical rods, respectively.

[0016] Preferably, the left and right positioning devices are fixedly arranged on the ground on both sides of the vehicle assembly production line, and the left and right sliding vertical rods slide forward and backward inside the left and right positioning devices.

[0017] Preferably: a through left and right ditch is opened on the ground of the production line where the left positioning device and the right positioning device are arranged, a cover plate is arranged on the middle ground of the ditch, the left positioning device and the right positioning device are installed above the two ends of the ditch, a metal component for installing the unlocking mechanism is arranged in the ditch below the left positioning device and the right positioning device, the metal component is fixedly installed on the two sides of the ditch by bolts, and the metal component is arranged for installing the lever device and the special pulley of the unlocking mechanism.

[0018] The linkage mechanism comprises linkage cables and linkage pulleys; the linkage pulleys comprise a left lower linkage pulley, a left upper linkage pulley, a right lower linkage pulley, a right upper linkage pulley and a steering pulley.

[0019] Preferably: the linkage cables pass through the left and right ditch and are connected with the left sliding vertical rod and the right sliding vertical rod of the left positioning device and the right positioning device respectively.

[0020] Preferably: the left side of the linkage cable passes through the left lower linkage pulley upwards, then passes through the left upper linkage pulley fixed on the middle horizontal rod, and the tail end is fixedly connected to the middle position of the left sliding vertical rod.

[0021] Preferably: the right side of the linkage cable passes through the right linkage pulley upwards, then passes through the right upper linkage pulley fixed on the middle horizontal rod, then passes through the opposite steering pulley, and then the tail end is fixedly connected to the middle position of the right sliding vertical rod.

[0022] The linkage unlocking mechanism comprises a cable, an unlocking mechanism and a positioning device, the cable is composed of a limiting cable, a limiting first pulley and a limiting second pulley, one end of the limiting cable is connected to the lower end of the positioning device, and the other end is connected to the left end of the lever of the unlocking mechanism.

[0023] The unlocking mechanism comprises a lever, a pull rod, a button, an upper push rod, a button handle and an upper tension spring.

[0024] The lever is fixed on the metal structure previously installed in the ditch by a lever pin, the lower end of the pull rod is rotationally connected to one end of the lever by a pin, and the upper end is arranged in the button, and the right end of the lever is connected to the cable.

[0025] The upper push rod is fixed on the vertical column on the side of the production line by a circular fixing piece, one end of the upper tension spring is hung on the handle, and the other end is hung on the spring hook arranged on the vertical column.

[0026] The beneficial technical effects of the present application

[0027] 1. The left and right positioning devices are fixedly arranged on the ground on both sides of the vehicle assembly production line measured in advance and cannot be moved, while the left and right sliding vertical rods can slide forward and backward inside the left and right positioning devices, so that the four positioning pins arranged on the left and right sides can be pushed out at the same time and accurately slide into the position where the gap between the bumper and the vehicle body needs to be reserved, and the front and rear gap adjustment of the vehicle front bumper and the surface difference adjustment of the vehicle front bumper and the vehicle hood are realized at the same time. When the gap adjustment and surface difference adjustment are performed, only the front bumper needs to be pushed and pulled forward and backward and the adjusting screw is rotated, so that the adjustment is accurate, the gap and surface difference adjustment effect is excellent, the adjustment process is convenient and fast, and the assembly efficiency is greatly improved.

[0028] 2. When the bumper is installed by using the device, the required gap is completely qualified, and the problem that the front bumper gap of 83.3% of the vehicles needs to be adjusted every day in the production is solved, including the disassembly work of 16 bolts for connecting the bumper and the vehicle body on the vehicle bottom, the disassembly work of 4 bolts for connecting the bumper and the water tank guard, and the labor and time waste caused by the two-person joint work for adjusting the bumper gap.

[0029] 3. The device for installing the bumper gap solves the problems of paint scratching, paint repair, workers working on the vehicle bottom, narrow space, foreign matter entering the eyes, injury, and long-term 90° or more bending work causing waist diseases in the prior art.

[0030] 4. After using the new installation device, the time waste in the re-adjustment work, the preparation time of a single tool, and the walking repair time can be saved, and 305 seconds of time can be saved for each vehicle.

[0031] 5. The bumper limiting installation work by the device can ensure that the gap meets the standard after the assembly is completed, and eliminates the problems of waste and a series of safety and health risks in the work process caused by the bumper gap being poor and the vehicle being repaired after being delivered.

[0032] 6. The linkage unlocking mechanism can release the locking of the positioning device after the installation of the bumper is completed, and the four positioning pins are retracted at the same time under the back pulling of the spring, the linkage of the handle and the positioning equipment is reset, the problem of scratching the vehicle caused by the vehicle driving forward without retracting the positioning device after the installation of the bumper is completed is prevented. BRIEF DESCRIPTION OF DRAWINGS

[0033] Figure 1 It is a schematic view of the whole connection structure of the application.

[0034] Figure 2 For the invention Figure 1 Enlarged structural diagram of A ring in the invention

[0035] Figure 3 For the invention Figure 1 Enlarged structural diagram of B ring in the invention

[0036] Figure 4 For the invention Figure 1 Schematic diagram of field installation arrangement of the invention

[0037] Figure 5 For the invention Figure 1 Schematic diagram of method of figures 1, 2 and 3 in the invention

[0038] Figure 6 For the invention Figure 1 Schematic diagram of method structure of figure 2 in the invention

[0039] In which, the reference signs are:

[0040] Left positioning device-1, sliding handle-11, left upper positioning pin-12, left lower positioning pin-13, left sliding vertical rod-14, left damping spring-141, clamping plate-142, positioning device-143, left sliding groove-15, left sliding block-16, left upper horizontal support arm-17, left lower horizontal support arm-171, left lower sliding rod-18, left lower sliding block-19; right positioning device-2, right upper positioning pin-21, right lower positioning pin-22; right sliding vertical rod-23, right damping spring-231, right sliding block-24, right sliding groove-25, right upper horizontal support arm-26, right lower horizontal support arm-261, right lower sliding block-27, right lower sliding rod-28; linkage cable-3, left lower linkage pulley-31, left upper linkage pulley-32, right lower linkage pulley-33, right upper linkage pulley-34, steering pulley-35; limiting cable-4, limiting first pulley-41, limiting second pulley-42, lever pin-43, pull rod-44, button-45, upward push rod-46, circular fixing member-47, button handle-48, upper pull spring-49; stand column-5, pull rod pin-51, lever-52, spring hook-53; stand column base-6, trench-7. DETAILED DESCRIPTION

[0041] Example 1: Structure and function of the present application

[0042] Reference Figures 1-5The left positioning device 1 is composed of four vertical columns and upper and lower frame structures, the four vertical columns are fixed at the four corners of the upper and lower frame structures respectively, and a left sliding groove 15 is fixed in the middle of the frame structure composed of the four vertical columns; a left sliding vertical rod 14 is arranged in the middle of the four vertical columns of the left positioning device 1, a sliding handle 11 is arranged at the upper end of the left sliding vertical rod 14, and a left sliding block 16 is arranged in the middle of the sliding handle 11 and the left sliding vertical rod 14; when the sliding handle 11 is moved, the left sliding block 16 slides forward and backward in the left sliding groove 15.

[0043] A transverse support arm is arranged at the upper and lower ends of the left sliding vertical rod 14 in the longitudinal direction, a left upper positioning pin 12 is arranged at the tail end of the left upper transverse support arm 17, and a left lower positioning pin 13 is arranged at the tail end of the left lower transverse support arm 171; the lower end of the left sliding vertical rod 14 is fixed on a left lower sliding block 19, and the left lower sliding block 19 is slidingly sleeved on a left lower sliding rod 18; the two ends of the left lower sliding rod 18 are fixed on two edge rods corresponding to the lower frame structure.

[0044] The right positioning device 2 is composed of four vertical columns and upper and lower frame structures, the four vertical columns are fixed at the four corners of the upper and lower frame structures respectively; a right sliding groove 25 is fixed in the middle of the upper frame structure of the four vertical columns.

[0045] A right sliding vertical rod 23 is arranged in the middle of the four vertical columns, and a right sliding block 24 is arranged at the upper end of the right sliding vertical rod 23; a transverse support arm is arranged at the upper and lower ends of the right sliding vertical rod 23 in the longitudinal direction, a right upper positioning pin 21 is arranged at the tail end of the right upper transverse support arm 26, and a right lower positioning pin 22 is arranged at the tail end of the right lower transverse support arm 261; the lower end of the right sliding vertical rod 23 is fixed on a right lower sliding block 27, and the right lower sliding block 27 is slidingly sleeved on a right lower sliding rod 28; the two ends of the right lower sliding rod 28 are fixed on two edge rods corresponding to the right lower frame structure.

[0046] In order to reduce the shock when the left sliding vertical rod 14 and the right sliding vertical rod 23 rebound after completing the installation of a bumper once, a left damping spring 141 and a right damping spring 231 are arranged in the middle of the left sliding vertical rod 14 and the right sliding vertical rod 23 respectively; when the unlocking button is pressed, the left sliding vertical rod 14 and the right sliding vertical rod 23 can automatically return to the original position under the pull of the left damping spring 141 and the right damping spring 231 respectively, waiting for the next use, at the same time, the left damping spring 141 and the right damping spring 231 arranged also play a role of shock absorption, so that the left sliding vertical rod 14 and the right sliding vertical rod 23 do not collide with the edge transverse rod when returning.

[0047] Example 2: installation and debugging of the application

[0048] For the convenience and convenience of use, the left positioning device 1 and the right positioning device 2 are respectively fixedly arranged on the ground on both sides of the front bumper installation of the vehicle assembly production line, in order that the left and right devices can be linked, a left-right through ditch 7 is opened on the ground of the production line where the left positioning device 1 and the right positioning device 2 are arranged, in order to enable the vehicle to pass smoothly, a cover plate is arranged on the middle ground of the ditch 7, and the left positioning device 1 and the right positioning device 2 are installed across the ditch; A metal member for installing an unlocking mechanism is arranged in the ditch below the left positioning device 1 and the right positioning device 2, the metal member is fixedly installed on the two sides of the ditch by bolts in advance, and the metal member is arranged for installing the lever device and the special pulley of the unlocking mechanism; The distance between the two left and right positioning devices installed is related to the width of the vehicle to which the bumper is installed, so before installation, the width of the vehicle to which the front bumper is installed needs to be determined, and the size requirement of the gap between the specified bumper and the vehicle body is determined, and the size of the left upper positioning pin 12 and the left lower positioning pin 13, and the right upper positioning pin 21 and the right lower positioning pin 22 is changed to a suitable size.

[0049] Referring to the accompanying drawings Figure 6 : Since most of the vehicles that need to install the front bumper are medium-sized buses, large-sized buses, there are also small-sized buses and trucks, and this embodiment takes the installation of Toyota Kamikaze medium-sized bus as an example, two positioning pins are arranged on each positioning device, the length of the positioning pin is 40mm, and the taper of the positioning pin is 10.2±3, the size of the positioning pin is left: 10.2mm±3mm, right: 11mm±3mm;

[0050] After the left positioning device 1 and the right positioning device 2 are installed, the width is set when the sliding handle 11 is pushed to the position, under the cooperation of the linkage cable 3 and the linkage pulley, after the sliding handle 11 is pushed to the position, the left upper positioning pin 12 and the left lower positioning pin 13, and the right upper positioning pin 21 and the right lower positioning pin 22 on the device can be simultaneously and just slid into the tail end between the front bumper of the Toyota Kamikaze and the vehicle body.

[0051] Example 3: Linkage process of linkage cable

[0052] Referring to the accompanying drawings Figure 1 , 3, 4: After the device is installed, the left sliding vertical rod 14 and the right sliding vertical rod 23 can only slide towards the middle vehicle relative to the front and rear, the linkage cable 3 is pulled between the left lower linkage pulley 31, the left upper linkage pulley 32, and the right lower linkage pulley 33, the right upper linkage pulley 34 and the steering pulley 35;

[0053] Specifically: the linkage cable 3 from the ditch 7 through left and right, respectively, with the left positioning device 1 and the right positioning device 2 left sliding vertical rod 14 and right sliding vertical rod 23 connection; the left side of the linkage cable 3 through the left lower linkage pulley 31 up, and then through the fixed in the middle horizontal rod on the left upper linkage pulley 32, tail end fixed connection in the left sliding vertical rod 14 middle segment position; the right side of the linkage cable 3 through the right linkage pulley 33 up, and then through the fixed in the middle horizontal rod on the right upper linkage pulley 34, after the opposite direction of the steering pulley 35, then tail end fixed connection in the right sliding vertical rod 23 middle segment position;

[0054] When the push handle 11 is implemented bumper installation positioning, under the traction of the linkage cable 3, the left slider 16 and the right slider 24 are respectively in the right sliding groove 15 and the left sliding groove 25, the left upper positioning pin 12 and the left lower positioning pin 13 on the left side, and the right upper positioning pin 21 and the right lower positioning pin 22 on the right side are moved to the middle, while pushing out the left upper positioning pin 12 and the left lower positioning pin 13 on the left side, and the right upper positioning pin 21 and the right lower positioning pin 22 on the right side are positioned in the position required to leave a gap for installing the bumper, realizing the gap positioning between the front bumper of the vehicle to be installed and the vehicle body, and then installing the bumper.

[0055] Example 4: operation of linkage unlocking mechanism

[0056] Referring to the accompanying drawings Figure 1 , 2, 4:

[0057] The linkage unlocking mechanism includes a cable, an unlocking mechanism and a positioning device. The cable is composed of a limiting cable 4, a limiting first pulley 41 and a limiting second pulley 42. One end of the limiting cable 4 is connected to the lower end of the positioning device 143, and the other end is connected to the left end of the lever 52 of the unlocking mechanism. The unlocking mechanism includes a lever 52, a pull rod 44, a button 45, an upper push rod 46, a button handle 48 and an upper tension spring 49. The lever 52 is fixed on the metal structure installed in the ditch 7 in advance by a lever pin 43. The lower end of the pull rod 44 is rotationally connected to one end of the lever 52 by a pin 51, and the upper end is arranged in the button 45. The right end of the lever 52 is connected to the cable 4. The upper push rod 46 is fixed on the upright column 5 on the production line side by a circular fixing piece 47. One end of the upper tension spring 49 is hung on the handle 48, and the other end is hung on the spring hook 53 arranged on the upright column 5.

[0058] Referring to the accompanying drawings Figure 2 , 3 and 4:

[0059] Specifically: when the last front bumper installation is completed, because the last time the installation of the front bumper, need to push the slide handle 11, the left upper positioning pin 12 and the left lower positioning pin 13, and the right upper positioning pin 21, and the right lower positioning pin 22 slide into the tail end of the two sides of the front bumper of the Toyota van between the body, positioning gap, so that the gap between the two ends of the front bumper and the body is accurately left, so, when the last front bumper installation is completed, the left upper positioning pin 12 and the left lower positioning pin 13, and the right upper positioning pin 21, and the right lower positioning pin 22 are still not withdrawn from the gap, at this time if the vehicle will scratch the body, so, in order to leave the vehicle safely from the installation line of the work station, you need to press the unlock button, the specific process is: manually push the button handle 48 down, drive the push rod 46 to move down, and press the button 45, at this time the pull rod 44 set in the button 45 will push the left end of the lever 52 down, because the lever 52 is fixed on the metal structure installed in the ditch 7 in advance by the lever pin 43, so when the left end is down, the right end will be lifted up, at this time, the right end of the lever lifted up will pull the limiting cable 4, and then pull down the lock head of the positioning device 143 after passing through two pulleys, when the lock head moves down, the blocked clamping plate 142 can be released, the left damping spring 141 and the right damping spring 231 set on the left and right devices are pulled back to make the left upper positioning pin 12 and the left lower positioning pin 13, and the right upper positioning pin 21 and the right lower positioning pin 22 in the gap between the front bumper and the body of the vehicle move to both sides, at this time, the vehicle can safely drive away from the installation line;

[0060] When the button handle 48 is pressed, and then released, the button handle 48 will be reset under the pull of the upper pull spring 49, waiting for the next unlock operation.

[0061] Further: because the installation of the front bumper of the vehicle involves many models of vehicles, especially large buses, medium buses, and even some smaller vans; this application takes the installation gap positioning of the front bumper of the Toyota van as an example, the size of the vehicle front bumper gap positioning device designed by this application will not be suitable for the positioning of all vehicle front bumper gaps, but the positioning pin head involved in this application can be replaced, therefore, after obtaining the teaching of this application, ordinary skilled persons in the art can easily design the size of the positioning head of the gap positioning according to the specifications of the vehicles involved and the required gap size of the front bumper, and then replace the positioning head to achieve the determination of the positioning gap and installation when installing the front bumper of different models of vehicles; the diameter of the material and the corresponding other positioning rod involved in manufacturing the device of this application is the same as the positioning head, which is a skill familiar to ordinary skilled persons in the art, so it is not described here.

[0062] Further: attached Figure 6The four positioning pins are respectively installed on the four transverse arms, and the four positioning pins can be prepared according to different vehicle models and bumper installation gap standards. In the embodiment, the length of the positioning pin arranged according to the Toyota Kamikaze minibus is 40 mm, the taper of the positioning pin is 10.2±3, the size of the left positioning pin is 10.2 mm±3 mm, and the size of the right positioning pin is 11 mm±3 mm. The sizes can be prepared and adjusted according to different vehicle models and bumper gaps. These are well known to those skilled in the art, and will not be described here.

Claims

1. A positioning device for mounting gap of a car front bumper, comprising a positioning device, a linkage mechanism, and a linkage unlocking mechanism, characterized in that: A. The positioning device includes a left positioning device (1) and a right positioning device (2): the left positioning device (1) is composed of four columns and a square frame structure at the top and bottom. The four columns are fixed at the four corners of the upper and lower square frame structures respectively. A left sliding vertical rod (14) is provided in the middle of the upper square frame structure of the four columns of the left positioning device (1). A sliding handle (11) is connected to the upper end of the left sliding vertical rod (14). A horizontal support arm is provided at the upper and lower ends of the left sliding vertical rod (14). A left upper positioning pin (12) is provided at the front end of the left upper horizontal support arm (17), and a left lower positioning pin (11) is provided at the front end of the left lower horizontal support arm (171). 3); The right positioning device (2) consists of four columns and a square frame structure at the top and bottom. The four columns are fixed at the four corners of the upper and lower frame structures respectively. A right sliding groove (25) is fixed in the middle of the upper frame structure of the four columns of the right positioning device (2). A right sliding vertical rod (23) is set in the middle of the four columns. A right slider (24) is fixed at the upper end of the right sliding vertical rod (23). A horizontal support arm is set at the upper and lower ends of the right sliding vertical rod (23). A right upper positioning pin (21) is set at the front end of the right upper horizontal support arm (26), and a right lower positioning pin (22) is set at the front end of the right lower horizontal support arm (261). The lower end of the left sliding vertical rod (14) is fixed on the lower left sliding block (19), and the lower left sliding block (19) is slidably sleeved on the lower left sliding rod (18); the two ends of the lower left sliding rod (18) are respectively fixed on the two side rods of the lower frame structure corresponding to the two ends of the lower left sliding rod (18); the lower end of the right sliding vertical rod (23) is fixed on the lower right sliding block (27), and the lower right sliding block (27) is slidably sleeved on the lower right sliding rod (28), and the two ends of the lower right sliding rod (28) are respectively fixed on the two side rods of the lower right frame structure corresponding to the lower right sliding rod (28); A trench (7) is opened on the ground of the production line where the left positioning device (1) and the right positioning device (2) are set. A cover plate is placed on the ground in the middle of the trench (7). The left positioning device (1) and the right positioning device (2) are installed across the top of both ends of the trench. A metal component for installing the unlocking mechanism is set in the trench below the left positioning device (1) and the right positioning device (2). The metal component is fixedly installed on the two sides of the trench by bolts. A left damping spring (141) and a right damping spring (231) are respectively provided in the middle section of the left sliding vertical rod (14) and the right sliding vertical rod (23). The left sliding vertical rod (14) and the right sliding vertical rod (23) slide back and forth inside the left positioning device (1) and the right positioning device (2). B. The linkage mechanism includes a linkage cable (3) and a linkage pulley; the linkage pulley includes a lower left linkage pulley (31), an upper left linkage pulley (32), a lower right linkage pulley (33), an upper right linkage pulley (34), and a steering pulley (35); C. The linkage unlocking mechanism includes a cable and an unlocking mechanism. The cable consists of a limiting cable (4), a limiting first pulley (41), and a limiting second pulley (42). One end of the limiting cable (4) is connected to the lower end of the positioning device (143), and the other end is connected to the left end of the lever (52) of the unlocking mechanism. The unlocking mechanism includes a lever (52), a pull rod (44), a button (45), an upper push rod (46), a button handle (48), and an upper tension spring (49). The lever (52) is fixed to a metal structure pre-installed in the trench (7) by a lever pin (43). The lower end of the pull rod (44) is rotatably connected to one end of the lever (52) by a pin (51), and the upper end is set inside the button (45). The right end of the lever (52) is connected to the cable (4).

2. The automotive front bumper mounting gap positioning device according to claim 1, characterized in that: A left slider (16) is sleeved between the sliding handle (11) and the left sliding vertical rod (14). When the sliding handle (11) is moved, the left slider (16) slides back and forth in the left sliding groove (15).

3. The automotive front bumper mounting gap positioning device according to claim 1, characterized in that: The left positioning device (1) and the right positioning device (2) are respectively fixedly installed on the ground on both sides of the vehicle assembly line.

4. The automotive front bumper mounting gap positioning device according to claim 1, characterized in that: The linkage cable (3) passes through the trench (7) from left to right and is connected to the left sliding vertical rod (14) and right sliding vertical rod (23) of the left positioning device (1) and right positioning device (2), respectively.

5. The automotive front bumper mounting gap positioning device according to claim 1, characterized in that: The left side of the linkage cable (3) passes through the lower left linkage pulley (31) upwards, and then passes through the upper left linkage pulley (32) fixed on the middle horizontal bar. The tail end is fixedly connected to the middle section of the left sliding vertical bar (14).

6. The automotive front bumper mounting gap positioning device according to claim 1, characterized in that: The right side of the linkage cable (3) passes through the lower right linkage pulley (33) upwards, then passes through the upper right linkage pulley (34) fixed on the middle crossbar, and then passes through the opposite steering pulley (35), with its tail end fixedly connected to the middle section of the right sliding vertical bar (23).

7. The automotive front bumper mounting gap positioning device according to claim 1, characterized in that: The upper push rod (46) is fixed to the column (5) on the side of the production line by a circular fixing part (47). One end of the upper tension spring (49) is hung on the handle (48), and the other end is hung on the spring hook (53) set on the column (5).

Images