CN216610771U

CN216610771U - Semitrailer hangs support control structure

Info

Publication number: CN216610771U
Application number: CN202122730540.3U
Authority: CN
Inventors: 李国辉; 曹明
Original assignee: Hubei Jingchuxing Special Vehicle Co ltd
Current assignee: Hubei Jingchuxing Special Vehicle Co ltd
Priority date: 2021-11-09
Filing date: 2021-11-09
Publication date: 2022-05-27
Anticipated expiration: 2031-11-09

Abstract

The utility model discloses a semitrailer suspension support control structure, which adopts the technical scheme that: including the roof, two roof bottom fixedly connected with backup pads, two the through-hole has all been seted up to backup pad inside, two the backup pad inboard is equipped with the steel sheet, the steel sheet both ends extend to two through-hole inboards respectively, the roof bottom is equipped with energy-absorbing mechanism, energy-absorbing mechanism includes the movable plate, the movable plate is located two backup pads inboardly, the inside fixed embedding of roof is equipped with casing and casing bottom and extends to two backup pads inboards, and beneficial effect is: the spring I, the spring II and the spring III are matched with the steel plate to play a role in buffering energy absorption, and the generated vibration can be offset by storing or releasing elastic potential energy, so that the damping effect is achieved, the vibration amplitude of the frame can be reduced to the minimum, the steel plate can be protected, the phenomenon of steel plate fracture is avoided, and the service life of the steel plate can be prolonged.

Description

Semitrailer hangs support control structure

Technical Field

The utility model relates to the technical field of semitrailer suspension, in particular to a semitrailer suspension support control structure.

Background

The suspension system is a general term for all force-transmitting connecting devices between the frame and the axle or wheel of the automobile, and has the functions of transmitting force and torque acting between the wheel and the frame, buffering impact force transmitted to the frame or automobile body from an uneven road surface, and attenuating vibration caused by the impact force so as to ensure that the automobile can run smoothly.

The suspension on the existing semitrailer is generally of a steel plate structure, the semitrailer is completely buffered and absorbed by steel plates when in use, and the semitrailer is not provided with other structures for buffering and absorbing energy.

SUMMERY OF THE UTILITY MODEL

The utility model provides a semitrailer suspension support control structure, which solves the problem that a semitrailer is completely dependent on a steel plate for buffering and energy absorption and does not have other buffering and energy absorption structures through the design of a buffering mechanism.

In order to achieve the above purpose, the utility model provides the following technical scheme: a semitrailer suspension support control structure comprises a top plate, wherein the bottom of the top plate is fixedly connected with two supporting plates, through holes are formed in the two supporting plates, steel plates are arranged on the inner sides of the two supporting plates, two ends of each steel plate respectively extend to the inner sides of the two through holes, and an energy absorption mechanism is arranged at the bottom of the top plate;

the energy absorbing mechanism comprises a movable plate, the movable plate is positioned at the inner sides of two supporting plates, a shell is fixedly embedded in the top plate, the bottom end of the shell extends to the inner sides of the two supporting plates, a T-shaped block is fixedly connected to the top of the movable plate, the top end of the T-shaped block extends to the inner side of the shell, two fixing rods are fixedly connected to the inner wall of the top of the shell, threaded rods are connected to the inner sides of the two fixing rods, threaded blocks are sleeved on the outer portions of the two threaded rods and are connected with the threaded rods in a threaded manner, springs I are sleeved on the outer portions of the two threaded rods, the inner ends of the two springs are respectively fixedly connected to the outer sides of the two threaded blocks, the outer ends of the two springs are respectively fixedly connected to the inner walls of the two sides of the shell, telescopic rods are arranged at the two sides of the T-shaped block, and springs II are sleeved on the outer portions of the two telescopic rods, energy absorption components are arranged on two sides of the shell.

Specifically, when the amplitude of semitrailer vibrations is great, thereby the movable plate will the rebound drive T-shaped piece rebound, just so can make two threaded rods rotate, two threaded rods rotate and drive two screw thread blocks and remove, the distance between two screw thread blocks will diminish, just so can be pulled up two springs one, and can make two springs two compressed when removing the block and removing, just so can play the effect of buffering energy-absorbing through spring one and spring two-phase cooperation, through elastic potential energy storage or release, just can offset the vibrations that produce, thereby play absorbing effect, just can reduce the vibration amplitude of frame to minimum, can play the effect of protection steel sheet.

Preferably, the top ends of the two telescopic rods extend to the inner walls of the two sides of the shell, the two telescopic rods are connected with the T-shaped block and the shell through rotating shafts, a first gear is fixedly sleeved outside the inner end of each threaded rod, a first rack is fixedly connected to the top of the T-shaped block, a through groove is formed in the top of the shell and the top plate, the top end of the first rack extends to the inside of the through groove, and the two gears are located on the front side of the first rack and meshed with the first rack.

Specifically, the two threaded rods can be rotated as soon as the rack moves upward by the engagement of the first gear and the first rack.

Preferably, the front side and the rear side of the T-shaped block are fixedly connected with a first sliding block, the inner wall of the front side of the shell is internally provided with a first sliding groove, the first sliding block is embedded inside the first sliding groove and matched with the first sliding groove, the tops of the two threaded blocks are fixedly connected with a second sliding block, the inner wall of the top of the shell is provided with a second sliding groove, and the second sliding block is embedded inside the second sliding groove and matched with the second sliding groove.

Specifically, the design through the first sliding block can make the T-shaped block more stable when moving upwards, and can not shake, and the design through the second sliding block can make the thread block more stable when moving, and can not shake.

Preferably, the energy absorbing assembly comprises two connecting plates, two connecting plates are fixedly connected to the front side and the rear side of the two supporting plates respectively, two connecting plate inner sides are connected with a first rotating shaft, the first rotating shaft is located on one side of the shell, two racks are arranged on two sides of the first rotating shaft respectively, the second rack is located on one side of the shell, the third rack is located on one side of one of the supporting plates, a second gear is arranged on an outer fixed sleeve of the rotating shaft, and the second gear is located on the inner sides of the second rack and the third rack and meshed with the second rack and the three-phase rack.

Specifically, the second gear is located on the inner sides of the second rack and the third rack and meshed with the second rack and the third rack, so that the second rack can move upwards when the moving plate moves, the second gear can rotate, and the second gear rotates to drive the third rack to move.

Preferably, three tops of racks and the equal fixedly connected with spring three in bottom, two three tops of spring and bottom difference fixed connection are at roof bottom and movable plate top, spout three has been seted up to casing one side, two one sides of racks fixedly connected with slider three, slider three inlays to be established in three insides of spout and matches with the spout three-phase, one of them the spout four has been seted up to backup pad one side, rack three and the equal fixedly connected with slider four in movable plate one side, slider four inlays to be established in four insides of spout and matches with the spout four.

Specifically, when the second gear rotates, the third spring above the third rack is pulled up, and the third spring below the third rack is compressed, so that the buffering and energy-absorbing effects can be achieved, and the moving plate and the third rack are more stable in moving through the design of the fourth slider, so that the shaking can be reduced.

Preferably, the tops of the through holes are fixedly connected with bumps, and the bottoms of the bumps are in contact with the tops of the steel plates.

Specifically, the convex block can prevent steel sheet and backup pad direct contact when the steel sheet takes place elastic deformation, can prevent like this to appear damaging.

Preferably, the top of the steel plate is fixedly connected with two push blocks, and the top ends of the two push blocks are in contact with the bottom of the moving plate.

Specifically, when the steel plate is elastically deformed, the moving plate can move upwards under the action of the two push blocks.

Preferably, the bottom of the steel plate is fixedly connected with an axle tube.

In particular, the axle tube may be used to mount a wheel.

Preferably, the threaded rod is connected with the shell and the fixed rod through a bearing.

In particular, wear caused by rotation of the threaded rod can be reduced by the bearing connection.

Preferably, the first rotating shaft is connected with the connecting plate through a bearing.

Specifically, wear caused by rotation of the rotating shaft can be reduced through the bearing connection.

Advantageous effects

Compared with the prior art, the utility model has the advantages that:

when the vibration amplitude of the semitrailer is larger, the moving plate moves upwards to drive the T-shaped block to move upwards, so that the two threaded rods can rotate to drive the two threaded blocks to move, the distance between the two threaded blocks is reduced, the first two springs can be pulled up, the second two springs can be compressed when the moving block moves, the third rack can move when the moving plate moves, the third upper spring can be pulled up, the third lower spring is compressed, the effects of buffering and absorbing energy can be achieved by matching the first, second and third springs with the steel plate, the generated vibration can be counteracted through energy storage or release of elastic potential energy, the vibration amplitude of the frame can be reduced to the lowest, and the effect of protecting the steel plate can be achieved, the phenomenon of steel plate fracture is avoided, and the service life of the steel plate can be prolonged.

Drawings

FIG. 1 is a schematic view of the overall structure provided by the present invention;

FIG. 2 is a front view cross-section view provided by the present invention;

FIG. 3 is an enlarged view taken at A in FIG. 2 according to the present invention;

FIG. 4 is a perspective view of a T-block and a slider according to the present invention;

in the figure: the device comprises a top plate 1, a support plate 2, a steel plate 3, a movable plate 4, a shell 5, a T-shaped block 6, a fixed rod 7, a threaded rod 8, a threaded block 9, a spring I10, an expansion rod 11, a spring II 12, a gear I13, a gear I14, a rack I15, a slider I16, a slider II 17, a connecting plate 18, a rotating shaft I19, a rack II 20, a rack III 21, a gear II 22, a spring III 23, a slider IV 24, a convex block 25, a push block 26 and an axle tube 27.

Detailed Description

The utility model will be further described with reference to specific embodiments shown in the drawings.

Referring to the attached drawings 1-4, the semitrailer suspension support control structure provided by the utility model comprises a top plate 1, wherein the bottom of the top plate 1 is fixedly connected with two supporting plates 2, through holes are formed in the two supporting plates 2, steel plates 3 are arranged on the inner sides of the two supporting plates 2, two ends of each steel plate 3 respectively extend to the inner sides of the two through holes, and an energy absorption mechanism is arranged at the bottom of the top plate 1.

The energy absorbing mechanism comprises a movable plate 4, the movable plate 4 is positioned on the inner sides of two supporting plates 2, a shell 5 is fixedly embedded in the top plate 1, the bottom end of the shell 5 extends to the inner sides of the two supporting plates 2, a T-shaped block 6 is fixedly connected to the top of the movable plate 4, the top end of the T-shaped block 6 extends to the inner side of the shell 5, two fixing rods 7 are fixedly connected to the inner wall of the top of the shell 5, threaded rods 8 are connected to the inner walls of the two sides of the shell 5, the inner ends of the two threaded rods 8 extend to the inner sides of the two fixing rods 7, threaded blocks 9 are sleeved outside the two threaded rods 8, the threaded blocks 9 are connected with the threaded rods 8 through threads, springs 10 are sleeved outside the two threaded rods 8, the inner ends of the two springs 10 are respectively and fixedly connected to the outer walls of the two sides of the shell 5, respectively, 6 both sides of T-shaped piece all are equipped with telescopic link 11, two 11 outside all covers of telescopic link are equipped with two 12 springs, 5 both sides of casing all are equipped with energy-absorbing component, two 11 tops of telescopic link extend to 5 both sides inner walls of casing, two telescopic link 11 is connected through the pivot with T-shaped piece 6 and casing 5, two the 8 inner outside fixed cover of threaded rod is equipped with gear 13 all, 6 top fixedly connected with racks one of T-shaped piece 14, the logical groove has been seted up with 1 inside of roof in the casing 5 top, 14 tops of racks extend to logical inslot portion, two gear 13 is located rack one 14 front sides and meshes with rack one 14 mutually.

In this embodiment, when the amplitude of semitrailer vibrations is great, elastic deformation will appear in steel sheet 3, just so can make two ejector pads 26 rebound, ejector pad 26 removes and promotes movable plate 4 and will rebound, thereby drive T-shaped piece 6 rebound, T-shaped piece 6 removes and drives rack 14 rebound, just so can make two threaded rods 8 rotate, two threaded rods 8 rotate and drive two screw blocks 9 and remove, the distance between two screw blocks 9 will diminish, just so can be pulled up two springs 10, and can make two springs 12 compressed when T-shaped piece 6 removes.

Wherein, in order to realize the purpose of stable removal, this device adopts following technical scheme to realize: 6 front sides of T-shaped piece and the equal fixedly connected with slider 15 in rear side, 5 front side inner walls of casing and the inside spout one that has all seted up of rear side, slider 15 inlays to be established inside spout one and with spout one phase-match, two the equal fixedly connected with slider two 16 in screw block 9 top, two spout two have been seted up to 5 top inner walls of casing, slider two 16 inlays to be established inside spout two and with spout two phase-matches, slider one 15 can make T-shaped piece 6 more stable when removing, and slider two 16 can make screw block 9 more stable when removing.

Wherein, in order to realize the purpose that a spring three 22 is pulled up and compressed, the device adopts the following technical scheme: the energy absorption assembly comprises two connecting plates 17, the two connecting plates 17 are fixedly connected to the front side and the rear side of the two support plates 2 respectively, the inner sides of the two connecting plates 17 are connected with a first rotating shaft 18, the first rotating shaft 18 is located on one side of the shell 5, two sides of the first rotating shaft 18 are provided with a second rack 19 and a third rack 20 respectively, the second rack 19 is located on one side of the shell 5, the third rack 20 is located on one side of one of the support plates 2, the outer portion of the first rotating shaft 18 is fixedly sleeved with a second gear 21, the second gear 21 is located on the inner sides of the second rack 19 and the third rack 20 and is meshed with the second rack 19 and the third rack 20, the tops and the bottoms of the third rack 20 are fixedly connected with a third spring 22, the tops and the bottoms of the third spring 22 are fixedly connected to the bottom of the top plate 1 and the top of the movable plate 4 respectively, a third sliding groove is formed in one side of the shell 5, and a third sliding block 23 is fixedly connected to one side of the second rack 19, the third sliding block 23 is embedded in the third sliding groove and matched with the three phases of the sliding grooves, the fourth sliding groove is formed in one side of the supporting plate 2, the third rack 20 and one side of the moving plate 4 are fixedly connected with the fourth sliding block 24, the fourth sliding block 24 is embedded in the fourth sliding groove and matched with the fourth sliding groove, the second rack 19 can move upwards when the moving plate 4 moves, the second gear 21 can rotate, the second gear 21 rotates to drive the third rack 20 to move, and the third rack 20 moves to enable the third spring 22 above to be pulled up and the third spring 22 below to be compressed.

Wherein, in order to realize the purpose of reducing the abrasion, the device adopts the following technical scheme: two equal fixedly connected with lug 25 in through-hole top, two 3 tops of the equal steel sheet in lug 25 bottom contact, two ejector pads 26 of 3 top fixedly connected with of steel sheet, two the ejector pad 26 top all contacts with 4 bottoms of movable plate, 3 bottom fixedly connected with central siphon 27 of steel sheet, threaded rod 8 passes through the bearing with casing 5 and dead lever 7 and is connected, pivot 18 passes through the bearing with linkage plate 17 and is connected, and the department passes through the bearing and connects and can reduce wear.

The using process of the utility model is as follows: when the semitrailer is used, when the vibration amplitude of the semitrailer is large, the steel plate 3 is elastically deformed, so that the two push blocks 26 can move upwards, the push blocks 26 move to push the moving plate 4 to move upwards so as to drive the T-shaped block 6 to move upwards, the T-shaped block 6 moves to drive the rack I14 to move upwards, so that the two threaded rods 8 can rotate, the two threaded rods 8 rotate to drive the two threaded blocks 9 to move, the distance between the two threaded blocks 9 is reduced, so that the two springs I10 can be pulled upwards, the two springs II 12 can be compressed when the T-shaped block 6 moves, the rack II 19 can move upwards when the moving plate 4 moves, so that the gear II 21 rotates, the gear II 21 rotates to drive the rack III 20 to move, the rack III 20 moves so that the upper spring III 22 can be pulled upwards, and the lower spring III 22 is compressed, the first spring 10, the second spring 12 and the third spring 22 are matched with the steel plate 3, so that the buffering and energy-absorbing effects can be achieved, generated vibration can be counteracted through elastic potential energy storage or release, the damping effect is achieved, the vibration amplitude of the frame can be reduced to the minimum, the steel plate 3 can be protected, the phenomenon that the steel plate 3 is broken is avoided, and the service life of the steel plate 3 can be prolonged.

The above is only a preferred embodiment of the present invention, and it should be noted that it is obvious to those skilled in the art that several variations and modifications can be made without departing from the structure of the present invention, which will not affect the effect of the implementation of the present invention and the utility of the patent.

Claims

1. A semitrailer hangs support control structure, includes roof (1), its characterized in that: the bottom of the top plate (1) is fixedly connected with two supporting plates (2), through holes are formed in the two supporting plates (2), steel plates (3) are arranged on the inner sides of the two supporting plates (2), two ends of each steel plate (3) extend to the inner sides of the two through holes respectively, and an energy absorption mechanism is arranged at the bottom of the top plate (1);

the energy absorption mechanism comprises a movable plate (4), the movable plate (4) is located on the inner sides of two support plates (2), a shell (5) is fixedly embedded in the top plate (1), the bottom end of the shell (5) extends to the inner sides of the two support plates (2), a T-shaped block (6) is fixedly connected to the top of the movable plate (4), the top end of the T-shaped block (6) extends to the inner side of the shell (5), two fixing rods (7) are fixedly connected to the inner wall of the top of the shell (5), threaded rods (8) are connected to the inner walls of the two sides of the shell (5), the inner ends of the two threaded rods (8) extend to the inner sides of the two fixing rods (7), threaded blocks (9) are sleeved outside the threaded rods (8), the threaded blocks (9) are connected with the threaded rods (8) through threads, and springs (10) are sleeved outside the threaded rods (8), two spring (10) inner fixed connection respectively is in two screw thread pieces (9) outsides, two spring (10) outer end fixed connection respectively is at casing (5) both sides inner wall, T-shaped piece (6) both sides all are equipped with telescopic link (11), two telescopic link (11) outside all is equipped with spring two (12), casing (5) both sides all are equipped with energy-absorbing component.

2. A semitrailer suspension support control structure as claimed in claim 1, wherein: two telescopic link (11) top extends to casing (5) both sides inner wall, two telescopic link (11) are connected through the pivot with T-shaped piece (6) and casing (5), two the outside fixed cover in threaded rod (8) inner is equipped with gear (13), T-shaped piece (6) top fixedly connected with rack (14), logical groove has been seted up with roof (1) is inside at casing (5) top, inside extending to logical inslot portion in rack (14) top, two gear (13) are located rack (14) front side and mesh mutually with rack (14).

3. A semitrailer suspension support control structure as claimed in claim 1, wherein: the T-shaped block (6) is characterized in that a first sliding block (15) is fixedly connected to the front side and the rear side of the T-shaped block, a first sliding groove is formed in the inner wall of the front side of the shell (5) and the inner portion of the rear side of the shell, the first sliding block (15) is embedded in the first sliding groove and matched with the first sliding groove, a second sliding groove (16) is fixedly connected to the top of the threaded block (9), a second sliding groove is formed in the inner wall of the top of the shell (5), and the second sliding block (16) is embedded in the second sliding groove and matched with the second sliding groove.

4. A semitrailer suspension support control structure as claimed in claim 1, wherein: energy-absorbing subassembly includes two connection board (17), two connection board (17) fixed connection respectively is in two backup pad (2) front sides and rear side, two connection board (17) inboard is connected with pivot one (18), pivot one (18) are located casing (5) one side, pivot one (18) both sides are equipped with rack two (19) and rack three (20) respectively, rack two (19) are located casing (5) one side, rack three (20) are located one of them backup pad (2) one side, pivot one (18) external fixation cover is equipped with gear two (21), gear two (21) are located rack two (19) and rack three (20) inboard and mesh mutually with rack two (19) and rack three (20).

5. A semitrailer suspension support control structure as claimed in claim 4, characterized in that: rack three (20) top and the equal fixedly connected with spring three (22) in bottom, two spring three (22) top and bottom respectively fixed connection are at roof (1) bottom and movable plate (4) top, the spout three has been seted up to casing (5) one side, rack two (19) one side fixedly connected with slider three (23), slider three (23) are inlayed and are established at spout three insidely and match with the spout three-phase, one of them the spout four has been seted up to backup pad (2) one side, rack three (20) and movable plate (4) one side equal fixedly connected with slider four (24), slider four (24) are inlayed and are established at spout four insides and match with the spout four-phase.

6. A semitrailer suspension support control structure as claimed in claim 1, wherein: two equal fixedly connected with lug (25) in through-hole top, two equal steel sheet (3) top in lug (25) bottom contacts.

7. A semitrailer suspension support control structure as claimed in claim 1, wherein: the top of the steel plate (3) is fixedly connected with two push blocks (26), and the top ends of the two push blocks (26) are in contact with the bottom of the moving plate (4).

8. A semitrailer suspension support control structure as claimed in claim 1, wherein: the bottom of the steel plate (3) is fixedly connected with an axle tube (27).

9. A semitrailer suspension support control structure as claimed in claim 1, wherein: the threaded rod (8) is connected with the shell (5) and the fixed rod (7) through a bearing.

10. A semitrailer suspension support control structure as claimed in claim 4, characterized in that: the first rotating shaft (18) is connected with the connecting plate (17) through a bearing.