CN218397906U

CN218397906U - Double-cylinder rear shock absorber tightening machine

Info

Publication number: CN218397906U
Application number: CN202221997433.5U
Authority: CN
Inventors: 张培文; 张超
Original assignee: Chuangke Tianhang Technology Chongqing Co ltd
Current assignee: Chuangke Tianhang Technology Chongqing Co ltd
Priority date: 2022-07-29
Filing date: 2022-07-29
Publication date: 2023-01-31
Anticipated expiration: 2032-07-29

Abstract

The utility model provides a machine is screwed up to bumper shock absorber behind binocular, relates to bumper shock absorber technical field, includes: the device comprises a rack, a base plate and a vertical plate, wherein the middle part of the rack is horizontally and fixedly provided with the base plate, and the upper part of the base plate is vertically provided with the vertical plate; the plurality of tightening stations are arranged between the bottom plate and the vertical plate side by side; each screwing station comprises an adjusting mechanism, a screwing mechanism, a positioning piece and a clamping piece, the adjusting mechanism is connected with the vertical plate in a sliding mode along the vertical direction, the screwing mechanism is arranged on the lower portion of the bottom plate and is opposite to the adjusting mechanism, the positioning piece penetrates through the bottom plate and is connected with the screwing mechanism, the clamping piece is connected with the adjusting mechanism, the positioning piece is opposite to the clamping piece, the screwing mechanism is used for driving the positioning piece to rotate, the adjusting mechanism is used for driving the clamping piece to move along the vertical direction, the positioning piece is used for penetrating into a main cylinder of the double-cylinder rear shock absorber to be fixed in a tensioning mode, and the clamping piece is used for clamping and fixing a connecting lug of the double-cylinder rear shock absorber.

Description

Double-cylinder rear shock absorber tightening machine

Technical Field

The utility model relates to a bumper shock absorber technical field, concretely relates to bumper shock absorber tightening machine behind binocular.

Background

The shock absorber is a necessary device of a motor vehicle, and the working principle of the shock absorber is that when the relative motion occurs in the shock between a vehicle body and a vehicle axle, a piston in the shock absorber moves up and down, and shock absorption oil in a shock absorber working cylinder repeatedly flows into another cavity from one cavity through different pores. At the moment, the friction between the hole wall and the shock absorption oil and the internal friction between oil molecules form damping force on the shock, so that the shock energy of the automobile is converted into the heat energy of the shock absorption oil and then absorbed by the shock absorber and dissipated into the atmosphere.

The double-cylinder rear shock absorber is one of shock absorbers, the specific structure of the double-cylinder rear shock absorber is shown in fig. 1, and the double-cylinder rear shock absorber comprises a main cylinder 8, an end cover 9, an auxiliary cylinder 91 and connecting lugs 92, wherein the auxiliary cylinder 91 and the connecting lugs 92 are fixedly connected with the end cover 9, the main cylinder 8 and the auxiliary cylinder 91 are positioned on the same side of the end cover 9, the connecting lugs 92 and the main cylinder 8 are positioned on two sides of the end cover 9, and the connecting lugs 92 are arranged opposite to the main cylinder 8; however, the existing equipment can only process one main cylinder at a time and is only suitable for the main cylinder 8 with a single specification to perform the screwing processing, which results in low processing efficiency.

SUMMERY OF THE UTILITY MODEL

Not enough to exist among the prior art, the utility model provides a shock absorber screws up machine behind binocular, it has solved the problem that the machine tooling efficiency of screwing up that exists among the prior art is not high.

A dual barrel rear shock absorber tightening machine comprising:

the middle part of the rack is horizontally and fixedly provided with a bottom plate, and the upper part of the bottom plate is vertically provided with a vertical plate;

the plurality of tightening stations are arranged between the bottom plate and the vertical plate side by side;

each screwing station comprises an adjusting mechanism, a screwing mechanism, a positioning piece and a clamping piece, the adjusting mechanism is connected with the vertical plate in a sliding mode along the vertical direction, the screwing mechanism is arranged on the lower portion of the bottom plate and is opposite to the adjusting mechanism, the positioning piece penetrates through the bottom plate and is connected with the screwing mechanism, the clamping piece is connected with the adjusting mechanism, the positioning piece is opposite to the clamping piece, the screwing mechanism is used for driving the positioning piece to rotate, the adjusting mechanism is used for driving the clamping piece to move along the vertical direction, the positioning piece is used for penetrating into a main cylinder of the double-cylinder rear shock absorber to be fixed in a tensioning mode, and the clamping piece is used for clamping and fixing a connecting lug of the double-cylinder rear shock absorber.

Compared with the prior art, the utility model discloses following beneficial effect has: when the double-cylinder rear shock absorber is used, the main cylinder sleeve of the double-cylinder rear shock absorber is sleeved on the corresponding positioning piece to be expanded and fixed, the connecting lug of the double-cylinder rear shock absorber is clamped and fixed through the clamping piece, the auxiliary cylinder of the double-cylinder rear shock absorber is ensured to be parallel to the main cylinder, then the adjusting mechanism is operated according to the height of the main cylinder of the double-cylinder rear shock absorber to drive the connecting lug to move, the end cover is butted with the main cylinder, and then the positioning piece is driven to rotate through the screwing mechanism, so that the main cylinder and the end cover are screwed; the operation is simple and convenient, the main cylinder and the end cover can be screwed fast, the adjusting mechanism can be adjusted according to the specification of the main cylinder, and multi-station simultaneous processing can be realized, so that the processing efficiency is improved.

Preferably, a plurality of slide holes arranged side by side are vertically formed in the vertical plate, a plurality of adjusting mechanisms of the screwing stations are matched with the slide holes in a one-to-one correspondence mode, each adjusting mechanism comprises an adjusting piece connected with the corresponding slide hole in a sliding mode and an operating piece arranged in the adjusting mechanism in a rotating mode along the length direction of the slide hole, the operating piece is movably connected with the adjusting piece, the operating piece is used for driving the adjusting piece to move in the vertical direction, and the clamping piece is fixedly connected with the adjusting piece.

Preferably, equal horizontal fixed mounting has the dead lever in the both ends of each slide opening, the operating parts includes two bearing frames, screw rod and hand wheel, two the bearing frame one-to-one fixed mounting is on two dead levers and coaxial arrangement, the screw rod rotates and installs between two bearing frames, the one end that the bottom plate was kept away from to the screw rod passes the bearing frame and links to each other with the hand wheel coaxial fixation, regulating part and screw rod screw thread link to each other.

Preferably, the adjusting part comprises a sliding plate, a connecting plate, an adjusting plate, a mounting plate and a telescopic cylinder, the sliding plate and the adjusting plate are located on two sides of the vertical plate and are connected with corresponding sliding holes in a sliding mode, the connecting plate is fixedly connected with the upper portion of the sliding plate, the mounting plate is fixedly connected with the lower portion of the adjusting plate, the connecting plate and the mounting plate are arranged towards the sliding holes, a connecting end of the telescopic cylinder is fixedly connected with the mounting plate, a telescopic end of the telescopic cylinder is fixedly connected with the connecting plate, the screw rod freely penetrates through the mounting plate and is in threaded connection with the mounting plate, and the clamping part is fixedly mounted on the side wall, far away from the vertical plate, of the sliding plate.

Preferably, a plurality of mounting holes have been seted up side by side along the riser direction of arranging on the bottom plate, a plurality of tightening mechanism one-to-one and a plurality of mounting hole cooperation of screwing up the station, each tightening mechanism all includes motor, speed reducer, backup pad, fixed plate, two synchronizing wheels and hold-in range, the power output shaft of motor links to each other with the coaxial fixed of power input shaft of speed reducer, and the motor is located the both sides of riser with the sliding plate, speed reducer, backup pad and fixed plate are fixed continuous in proper order, and backup pad fixed mounting is on the bottom plate, and fixed plate fixed mounting is in corresponding the mounting hole, two the synchronizing wheel one-to-one links to each other with the power output shaft and the setting element of speed reducer are fixed, passes through synchronous belt drive between two synchronizing wheels.

Preferably, the clamping pieces comprise cushion blocks, n-shaped clamping blocks and base plates, the cushion blocks are fixedly arranged on the side walls of the sliding plates far away from the vertical plates, the n-shaped clamping blocks and the base plates are fixedly arranged on the side walls of the cushion blocks far away from the sliding plates side by side, and connecting lugs of the double-barrel rear shock absorbers are used for being embedded into the n-shaped clamping blocks.

Preferably, fixed mounting has a plurality of brace tables on the bottom plate, and the setting element one-to-one of a plurality of stations of screwing up rotates and runs through a plurality of brace tables, each the setting element all includes support column, internal stay plug, mounting disc and internal stay post, support column one end is passed the bottom plate and is linked to each other with the coaxial fixed of corresponding synchronizing wheel, and the support column passes through the bearing and corresponds a brace table rotation and link to each other, and the coaxial fixed mounting of the support column other end has the boss, the cross recess has been seted up to the boss, the coaxial fixed support column that runs through of internal stay plug, the coaxial fixed mounting of internal stay post one end has the mounting disc, the mounting disc is kept away from internal stay post one side fixed mounting and has the cross fixture block, the cross fixture block be used for with the cross recess joint, and the mounting disc sets up the perforation along its axis with internal stay post to lining up, the internal stay plug inserts in the perforation.

Preferably, still include dust cover, operating panel and electronic box, dust cover and electronic box fixed mounting are in the opposite both sides in frame upper portion, and the dust cover is located directly over the slide plate, operating panel sets up on the lateral wall that the electronic box was kept away from to the dust cover, the electronic box is all connected with operating panel and motor electricity, and operating panel is connected with the motor electricity.

Preferably, a sealing plate is fixedly mounted on the frame below the bottom plate.

Preferably, a plurality of foot cups are fixedly arranged at the bottom of the machine frame in the circumferential direction.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

Fig. 1 is a schematic structural view of a dual tube rear shock absorber.

Fig. 2 is a schematic structural diagram of an embodiment of the present invention.

Fig. 3 is a front view of fig. 2.

Fig. 4 is a schematic view of the internal structure of fig. 2 at another angle.

Fig. 5 is a schematic structural diagram of the adjusting mechanism in fig. 2.

Fig. 6 is a schematic structural view of fig. 5 at another angle.

Fig. 7 is a schematic structural view of the tightening mechanism of fig. 4.

Fig. 8 is a schematic structural view of the positioning member in fig. 7.

The numbers in the figures are in order: 1. a frame; 11. a dust cover; 12. an operation panel; 13. an electric box; 14. closing the plate; 15. a foot cup; 2. a base plate; 21. a support table; 22. a bearing; 23. mounting holes; 3. a support pillar; 31. a synchronizing wheel; 32. a synchronous belt; 33. a boss; 34. a cross groove; 35. internally supporting the core rod; 36. mounting a disc; 37. an inner support column; 38. a cross-shaped fixture block; 39. perforating; 4. a motor; 41. a speed reducer; 42. a support plate; 43. a fixing plate; 5. a vertical plate; 51. a slide hole; 52. a slide rail; 53. fixing the rod; 54. a bearing seat; 55. a screw; 56. a hand wheel; 6. a sliding plate; 61. a connecting plate; 62. an adjusting plate; 63. a slider; 64. mounting a plate; 65. reinforcing ribs; 66. a telescopic cylinder; 7. cushion blocks; 71. a reverse-U-shaped clamping block; 72. a base plate; 8. a main barrel; 9. an end cap; 91. an auxiliary cylinder; 92. and (5) connecting lugs.

Detailed Description

In order to make the utility model realize that technical means, creation characteristics, achievement purpose and effect are clearer and easily understand, it is right to combine below the figure and the detailed implementation mode the utility model discloses do further explanation:

as shown in fig. 1 to 4, an embodiment of the present invention provides a dual-tube rear shock absorber tightening machine, including: the device comprises a rack 1, wherein a bottom plate 2 is horizontally and fixedly arranged in the middle of the rack 1, and a vertical plate 5 is vertically arranged on the upper part of the bottom plate 2; the plurality of tightening stations are arranged between the bottom plate 2 and the vertical plate 5 side by side; each screwing station comprises an adjusting mechanism, a screwing mechanism, a positioning piece and a clamping piece, the adjusting mechanism is connected with the vertical plate 5 in a sliding mode in the vertical direction, the screwing mechanism is arranged on the lower portion of the bottom plate 2 and is arranged opposite to the adjusting mechanism, the positioning piece penetrates through the bottom plate 2 and is connected with the screwing mechanism, the clamping piece is connected with the adjusting mechanism, the positioning piece is arranged opposite to the clamping piece, the screwing mechanism is used for driving the positioning piece to rotate, the adjusting mechanism is used for driving the clamping piece to move in the vertical direction, the positioning piece is used for penetrating into the main cylinder 8 of the double-cylinder rear shock absorber to be fixed in a tensioning mode, and the clamping piece is used for clamping and fixing a connecting lug 92 of the double-cylinder rear shock absorber.

When the double-cylinder rear shock absorber is used, the main cylinder 8 of the double-cylinder rear shock absorber is sleeved on the corresponding positioning piece to be expanded and fixed, the connecting lugs 92 of the double-cylinder rear shock absorber are clamped and fixed through the clamping piece, the auxiliary cylinder 91 of the double-cylinder rear shock absorber is parallel to the main cylinder 8, then the adjusting mechanism is operated according to the height of the main cylinder 8 of the double-cylinder rear shock absorber to drive the connecting lugs 92 to move, the end cover 9 is enabled to be in butt joint with the main cylinder 8, and then the positioning piece is driven to rotate through the screwing mechanism, so that the main cylinder 8 and the end cover 9 are screwed; the operation is simple and convenient, the main cylinder 8 and the end cover 9 can be screwed fast, the adjusting mechanism can be adjusted according to the specification of the main cylinder 8, and multi-station simultaneous processing can be realized, so that the processing efficiency is improved.

As shown in fig. 1-2 and 5-6, according to another embodiment of the present invention, the double-cylinder rear shock absorber tightening machine is further optimized for the adjusting mechanism included therein, a plurality of slide holes 51 arranged side by side are vertically formed on the vertical plate 5, the adjusting mechanisms of a plurality of tightening stations are matched with the plurality of slide holes 51 in a one-to-one manner, each of the adjusting mechanisms includes an adjusting member connected with the corresponding slide hole 51 in a sliding manner and an operating member rotatably disposed in the adjusting mechanism along the length direction of the slide hole 51, the operating member is movably connected with the adjusting member, the operating member is used for driving the adjusting member to move along the vertical direction, and the clamping member is fixedly connected with the adjusting member.

Fixing rods 53 are horizontally and fixedly installed in two ends of each sliding hole 51, the operating piece comprises two bearing seats 54, a screw 55 and a hand wheel 56, the bearing seats 54 are fixedly installed on the two fixing rods 53 in a one-to-one correspondence mode and are coaxially arranged, the screw 55 is rotatably installed between the two bearing seats 54, one end, far away from the bottom plate 2, of the screw 55 penetrates through the bearing seats 54 to be coaxially and fixedly connected with the hand wheel 56, and the adjusting piece is in threaded connection with the screw 55.

The adjusting part comprises a sliding plate 6, a connecting plate 61, an adjusting plate 62, a mounting plate 64 and a telescopic cylinder 66, the sliding plate 6 and the adjusting plate 62 are positioned on two sides of the vertical plate 5 and are respectively connected with the corresponding sliding holes 51 in a sliding manner, the connecting plate 61 is fixedly connected with the upper part of the sliding plate 6, the mounting plate 64 is fixedly connected with the lower part of the adjusting plate 62, the connecting plate 61 and the mounting plate 64 are both arranged towards the sliding holes 51, the connecting end of the telescopic cylinder 66 is fixedly connected with the mounting plate 64, the telescopic end of the telescopic cylinder 66 is fixedly connected with the connecting plate 61, the screw 55 freely penetrates through the mounting plate 64 and is in threaded connection with the mounting plate 64, and the clamping part is fixedly mounted on the side wall of the sliding plate 6, which is far away from the vertical plate 5; wherein, two rows of slide blocks 63 arranged at intervals are vertically and fixedly installed on the opposite side walls of the sliding plate 6 and the adjusting plate 62, two slide rails 52 are vertically and fixedly installed on the opposite side walls of the vertical plate 5, the sliding plate 6 and the adjusting plate 62, the two slide rails 52 on each side wall are distributed on two sides of the corresponding slide hole 51, and the two rows of slide blocks 63 on the sliding plate 6 and the adjusting plate 62 are in one-to-one correspondence with the two slide rails 52 and are connected with each other in a sliding manner; and a plurality of reinforcing ribs 65 are fixedly arranged between the mounting plate 64 and the adjusting plate 62.

When the double-cylinder rear shock absorber is used, the hand wheel 56 is rotated to drive the screw 55 to rotate according to the height of the main cylinder 8 of the double-cylinder rear shock absorber, the adjusting plate 62 and the sliding plate 6 are driven to slide in the sliding hole 51 in the rotation process of the screw 55, so that the end cover 9 of the double-cylinder rear shock absorber is in butt joint with the main cylinder 8, if the distance between the end cover 9 of the double-cylinder rear shock absorber and the main cylinder 8 needs to be finely adjusted in the screwing operation process, the telescopic cylinder 66 is started to slightly change the distance between the sliding plate 6 and the adjusting plate 62, and the telescopic cylinder 66 is driven by an external air source.

As shown in fig. 4 and 7, according to another embodiment of the present invention, the dual-cylinder rear shock absorber tightening machine further comprises a tightening mechanism, wherein a plurality of mounting holes 23 are formed in the bottom plate 2 side by side along the arrangement direction of the vertical plate 5, the tightening mechanisms of a plurality of tightening stations are matched with the mounting holes 23 in a one-to-one correspondence manner, each tightening mechanism comprises a motor 4, a speed reducer 41, a supporting plate 42, a fixing plate 43, two synchronizing wheels 31 and a synchronous belt 32, the power output shaft of the motor 4 is coaxially and fixedly connected with the power input shaft of the speed reducer 41, the motor 4 and the sliding plate 6 are located on two sides of the vertical plate 5, the speed reducer 41, the supporting plate 42 and the fixing plate 43 are sequentially and fixedly connected, the supporting plate 42 is fixedly installed on the bottom plate 2, the fixing plate 43 is fixedly installed in the corresponding installation hole 23, the two synchronizing wheels 31 are fixedly connected with the power output shaft of the speed reducer 41 and the positioning piece in a one-to-one correspondence mode, and the two synchronizing wheels 31 are transmitted through the synchronous belt 32.

When the double-drum rear shock absorber main drum 8 is screwed up, the starting motor 4 reduces the rotating speed through the speed reducer 41, and then drives the synchronizing wheel 31 and the synchronizing belt 32 to transmit, so that the positioning piece is driven to rotate, and the positioning piece is tightly expanded and fixed, and then the double-drum rear shock absorber main drum 8 rotates and is screwed up with the end cover 9.

As shown in fig. 2, according to another embodiment of the present invention, the double-tube rear shock absorber tightening machine further comprises a clamping member, wherein the clamping member comprises a cushion block 7, a n-shaped clamp block 71 and a backing plate 72, the cushion block 7 is fixedly installed on the side wall of the sliding plate 6 far from the riser 5, the n-shaped clamp block 71 and the backing plate 72 are fixedly installed side by side on the side wall of the cushion block 7 far from the sliding plate 6, and the connecting lugs 92 of the double-tube rear shock absorber are used for being embedded into the n-shaped clamp block 71; during clamping, the end caps 9 of the double tube rear shock absorber are prevented from rotating together with the main tube 8.

As shown in fig. 8, according to another embodiment of the present invention, the double-cylinder rear shock absorber tightening machine further optimizes the positioning members included therein, wherein a plurality of support tables 21 are fixedly installed on the bottom plate 2, the positioning members of a plurality of tightening stations rotate in a one-to-one correspondence manner to penetrate through the plurality of support tables 21, each positioning member includes a support pillar 3, an inner supporting core rod 35, a mounting plate 36 and an inner supporting column 37, one end of the support pillar 3 passes through the bottom plate 2 to be coaxially and fixedly connected with the corresponding synchronizing wheel 31, the support pillar 3 rotates through the corresponding support table 21 via the bearing 22, the other end of the support pillar 3 is coaxially and fixedly installed with a boss 33, the boss 33 is provided with a cross groove 34, the inner supporting core rod 35 is coaxially and fixedly penetrated through the support pillar 3, one end of the inner supporting column 37 is coaxially and fixedly installed with the mounting plate 36, one side of the mounting plate 36, which is far away from the inner supporting column 37, is fixedly installed with a cross fixture block 38, the cross fixture block 38 is used for being connected with the cross groove 34, the clamping mounting plate 36 and the inner supporting column 37 are provided with a through hole 39 along the axis thereof, and the inner supporting core rod 35 is inserted into the through hole 39; the inner support column 37 penetrates into the main cylinder 8 of the double-cylinder rear shock absorber and is in interference fit with the main cylinder, so that the main cylinder is tensioned and fixed.

As shown in fig. 2 to 3, according to another embodiment of the present invention, the dual-tube rear shock absorber tightening machine preferably further includes a dust cover 11, an operation panel 12 and an electric box 13, the dust cover 11 and the electric box 13 are fixedly mounted on two opposite sides of the upper portion of the frame 1, the dust cover 11 is located directly above the sliding plate 6, the operation panel 12 is disposed on a side wall of the dust cover 11 away from the electric box 13, the electric box 13 is electrically connected to both the operation panel 12 and the motor 4, the operation panel 12 is electrically connected to the motor 4, and the motor 4 is controlled by the operation panel 12.

As shown in fig. 2 to 3, according to another embodiment of the present invention, in the double-tube rear shock absorber tightening machine, preferably, a closing plate 14 is fixedly mounted on the frame 1 below the bottom plate 2; and a plurality of foot cups 15 are fixedly arranged at the bottom of the machine frame 1 in the circumferential direction to stably support the machine frame 1.

The utility model discloses an application principle does: the utility model discloses during the use, 8 covers of main section of thick bamboo of bumper shock absorber behind binocular are fixed at the internal stay 37 that corresponds rises, go into U-shaped fixture 71 with the engaging lug 92 card of bumper shock absorber behind the binocular, and guarantee that the secondary cylinder 91 of bumper shock absorber behind the binocular is on a parallel with main section of thick bamboo 8, drive screw rod 55 and rotate according to the high operation hand wheel 56 of main section of thick bamboo 8 of bumper shock absorber behind the binocular afterwards, screw rod 55 rotates in-process and drives regulating plate 62 and sliding plate 6 and slide in slide opening 51, make the end cover 9 of bumper shock absorber behind the binocular dock with main section of thick bamboo 8, and operate telescopic cylinder 66 and finely tune the distance between end cover 9 of bumper shock absorber behind the binocular and the main section of thick bamboo 8, it is more smooth and easy to guarantee to screw up the process, after starter motor 4 reduces the rotational speed through speed reducer 41 afterwards, drive synchronizing wheel 31 and synchronous belt 32 and transmit, make support column 3 and internal stay 37 rotate, thereby drive the main section of thick bamboo 8 rotation of bumper shock absorber behind the binocular and screw up with end cover 9.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. A double-cylinder rear shock absorber tightening machine is characterized by comprising:

the device comprises a rack (1), wherein the middle part of the rack is horizontally and fixedly provided with a bottom plate (2), and the upper part of the bottom plate (2) is vertically provided with a vertical plate (5);

the plurality of tightening stations are arranged between the bottom plate (2) and the vertical plate (5) side by side;

each screwing station comprises an adjusting mechanism, a screwing mechanism, a positioning piece and a clamping piece, the adjusting mechanism is connected with the vertical plate (5) in a sliding mode in the vertical direction, the screwing mechanism is arranged on the lower portion of the bottom plate (2) and is arranged opposite to the adjusting mechanism, the positioning piece penetrates through the bottom plate (2) to be connected with the screwing mechanism, the clamping piece is connected with the adjusting mechanism, the positioning piece is arranged opposite to the clamping piece, the screwing mechanism is used for driving the positioning piece to rotate, the adjusting mechanism is used for driving the clamping piece to move in the vertical direction, the positioning piece is used for penetrating into a main cylinder (8) of the double-cylinder rear shock absorber to be fixed in a tensioning mode, and the clamping piece is used for clamping and fixing connecting lugs (92) of the double-cylinder rear shock absorber.

2. The tightening machine for the double-cylinder rear shock absorber according to claim 1, wherein a plurality of sliding holes (51) arranged side by side are vertically formed in the vertical plate (5), a plurality of adjusting mechanisms of the tightening stations are matched with the plurality of sliding holes (51) in a one-to-one correspondence manner, each adjusting mechanism comprises an adjusting piece connected with the corresponding sliding hole (51) in a sliding manner and an operating piece rotatably arranged in the sliding hole (51) along the length direction of the sliding hole, the operating piece is movably connected with the adjusting piece and used for driving the adjusting piece to move in the vertical direction, and the clamping piece is fixedly connected with the adjusting piece.

3. The double-cylinder rear shock absorber tightening machine according to claim 2, characterized in that fixing rods (53) are horizontally and fixedly mounted in both ends of each sliding hole (51), the operating member comprises two bearing seats (54), a screw rod (55) and a hand wheel (56), the two bearing seats (54) are fixedly mounted on the two fixing rods (53) in a one-to-one correspondence manner and are coaxially arranged, the screw rod (55) is rotatably mounted between the two bearing seats (54), one end of the screw rod (55) far away from the base plate (2) penetrates through the bearing seats (54) to be coaxially and fixedly connected with the hand wheel (56), and the adjusting member is in threaded connection with the screw rod (55).

4. The double-cylinder rear shock absorber tightening machine according to claim 3, wherein the adjusting member comprises a sliding plate (6), a connecting plate (61), an adjusting plate (62), a mounting plate (64) and a telescopic cylinder (66), the sliding plate (6) and the adjusting plate (62) are located on two sides of the vertical plate (5) and are slidably connected with the corresponding sliding holes (51), the connecting plate (61) is fixedly connected with the upper portion of the sliding plate (6), the mounting plate (64) is fixedly connected with the lower portion of the adjusting plate (62), the connecting plate (61) and the mounting plate (64) are both arranged towards the sliding holes (51), the connecting end of the telescopic cylinder (66) is fixedly connected with the mounting plate (64), the telescopic end of the telescopic cylinder (66) is fixedly connected with the connecting plate (61), the screw rod (55) freely penetrates through the mounting plate (64) and is in threaded connection with the mounting plate, and the clamping member is fixedly mounted on the side wall of the sliding plate (6) far away from the vertical plate (5).

5. The double-cylinder rear shock absorber tightening machine according to claim 4, characterized in that a plurality of mounting holes (23) are formed in the bottom plate (2) side by side along the arrangement direction of the vertical plate (5), a plurality of tightening mechanisms at tightening stations are matched with the plurality of mounting holes (23) in a one-to-one correspondence manner, each tightening mechanism comprises a motor (4), a speed reducer (41), a support plate (42), a fixing plate (43), two synchronizing wheels (31) and a synchronous belt (32), a power output shaft of the motor (4) is fixedly connected with a power input shaft of the speed reducer (41) coaxially, the motor (4) and a sliding plate (6) are located on two sides of the vertical plate (5), the speed reducer (41), the support plate (42) and the fixing plate (43) are fixedly connected in sequence, the support plate (42) is fixedly mounted on the bottom plate (2), the fixing plate (43) is fixedly mounted in the corresponding mounting holes (23), the two synchronizing wheels (31) are fixedly connected with the power output shaft of the speed reducer (41) and a positioning piece in a one-to-one correspondence manner, and the two synchronizing wheels (31) are driven by the synchronous belt (32).

6. The dual-barrel rear shock absorber tightening machine according to claim 4, wherein the clamping members comprise a cushion block (7), a U-shaped clamp block (71) and a cushion plate (72), the cushion block (7) is fixedly arranged on the side wall of the sliding plate (6) far away from the vertical plate (5), the U-shaped clamp block (71) and the cushion plate (72) are fixedly arranged side by side on the side wall of the cushion block (7) far away from the sliding plate (6), and the connecting lugs (92) of the dual-barrel rear shock absorbers are used for being embedded into the U-shaped clamp block (71).

7. The double-barrel rear shock absorber tightening machine according to claim 5, wherein a plurality of support tables (21) are fixedly mounted on the base plate (2), a plurality of positioning pieces of a plurality of tightening stations are correspondingly and rotatably arranged through the plurality of support tables (21), each positioning piece comprises a support column (3), an inner support core rod (35), a mounting disc (36) and an inner support column (37), one end of each support column (3) penetrates through the base plate (2) and is coaxially and fixedly connected with the corresponding synchronizing wheel (31), each support column (3) is rotatably connected with the corresponding support table (21) through a bearing (22), a boss (33) is coaxially and fixedly mounted at the other end of each support column (3), a cross groove (34) is formed in each boss (33), the inner support core rod (35) is coaxially and fixedly arranged to penetrate through the support column (3), the mounting disc (36) is coaxially and fixedly mounted at one end of each inner support column (37), a cross clamping block (38) is fixedly mounted at one side, far from the inner support column (37), the cross clamping block (38) is used for being clamped with the cross groove (34), the mounting disc (36) and the inner support column (37) is inserted into the through hole (39), and the through hole is formed in the through hole (39).

8. The double-cylinder rear shock absorber tightening machine according to claim 5, further comprising a dust cover (11), an operation panel (12) and an electric box (13), wherein the dust cover (11) and the electric box (13) are fixedly mounted on two opposite sides of the upper portion of the machine frame (1), the dust cover (11) is located right above the sliding plate (6), the operation panel (12) is arranged on a side wall of the dust cover (11) far away from the electric box (13), the electric box (13) is electrically connected with both the operation panel (12) and the motor (4), and the operation panel (12) is electrically connected with the motor (4).

9. The double-cylinder rear shock absorber tightening machine according to claim 1, characterized in that a sealing plate (14) is fixedly mounted on the machine frame (1) below the base plate (2).

10. The double-cylinder rear shock absorber tightening machine according to claim 1, characterized in that a plurality of foot cups (15) are fixedly mounted circumferentially on the bottom of the machine frame (1).