CN216269191U - Auxiliary supporting wheel device of semitrailer - Google Patents
Auxiliary supporting wheel device of semitrailer Download PDFInfo
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- CN216269191U CN216269191U CN202122730559.8U CN202122730559U CN216269191U CN 216269191 U CN216269191 U CN 216269191U CN 202122730559 U CN202122730559 U CN 202122730559U CN 216269191 U CN216269191 U CN 216269191U
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- semitrailer
- support
- supporting
- wheel device
- threaded rod
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Abstract
The utility model discloses an auxiliary supporting wheel device of a semitrailer, which adopts the technical scheme that: the semitrailer comprises a semitrailer body, wherein a supporting mechanism and an adjusting mechanism are arranged at the bottom of the semitrailer body; the supporting mechanism includes the carriage, the fixed semitrailer body bottom of locating of carriage, the inside threaded rod that is equipped with of carriage, the threaded rod outside is equipped with supporting component, supporting component includes the screw thread piece, a semitrailer auxiliary stay wheel device beneficial effect is: the fixed column slides along the hollow column due to the fact that the threaded block in the supporting mechanism and the adjusting mechanism is stressed, the spring contracts to buffer, the semi-trailer body is prevented from being damaged due to the fact that the road surface is uneven in the advancing process of the semi-trailer body, the adjusting mechanism controls the supporting mechanism to support the semi-trailer body in an auxiliary mode, and the supporting assembly in the adjusting mechanism controls the supporting mechanism to be in the same horizontal line with the semi-trailer body, so that the supporting assembly is convenient to withdraw.
Description
Technical Field
The utility model relates to the technical field of semitrailers, in particular to an auxiliary supporting wheel device of a semitrailer.
Background
A semitrailer is a trailer whose axle is placed behind the center of gravity of the vehicle and which is equipped with a coupling device that can transmit horizontal and vertical forces to the tractor. The semitrailer is generally a three-axle semitrailer, and the semitrailer can be divided into an eleven-meter-bin-column semitrailer, a thirteen-meter-bin-column semitrailer, a low-bed semitrailer and the like, and is a heavy transport vehicle connected with a semitrailer head through a traction pin.
Current semitrailer auxiliary stay wheel device is fixed mounting in the semitrailer bottom usually, carries out auxiliary stay through supporting wheel and ground contact to the semitrailer, and current semitrailer auxiliary stay wheel device does not possess the buffering effect when using, meets the easy emergence damage phenomenon of ground when uneven, need dismantle when not using and withdraws complex operation, influences the result of use.
SUMMERY OF THE UTILITY MODEL
The utility model provides an auxiliary support wheel device of a semitrailer, which solves the problems that the conventional auxiliary support wheel device of the semitrailer is easy to damage when the ground is uneven and is complicated to withdraw when not used through a support mechanism and an adjusting mechanism.
In order to achieve the above purpose, the utility model provides the following technical scheme: an auxiliary supporting wheel device of a semitrailer comprises a semitrailer body, wherein a supporting mechanism and an adjusting mechanism are arranged at the bottom of the semitrailer body;
the support mechanism comprises a support frame, the support frame is fixedly arranged at the bottom of the semitrailer body, a threaded rod is arranged inside the support frame, a support component is arranged outside the threaded rod and comprises a threaded block, a hole groove is formed in the threaded block, a fixing column is fixedly arranged inside the hole groove, a hollow column is sleeved outside the fixing column, a U-shaped support is fixedly arranged at one end of the hollow column, a spring is sleeved outside the fixing column and the hollow column, a plurality of guide holes are formed in one side of the threaded block, a plurality of guide columns are fixedly arranged on one side of the U-shaped support, reinforcing ribs are fixedly arranged on one side of the U-shaped support, a second support wheel is arranged inside the U-shaped support, a rotating shaft is inserted into the second support wheel, a first support wheel is fixedly arranged on one end of the rotating shaft, and an adjusting mechanism is arranged on one side of the support frame.
Specifically, receive pressure through the screw thread piece among the supporting mechanism and make the fixed column slide along hollow post, the spring produces the shrink simultaneously and cushions, prevents that the semitrailer body from marcing in-process road surface is uneven and causes the damage to the device.
Preferably, the adjusting mechanism comprises a support shaped like a Chinese character 'shan', the top of the support shaped like a Chinese character 'shan' is fixedly connected with the bottom of the semitrailer body, an adjusting component is arranged inside the support shaped like a Chinese character 'shan' and comprises a convex groove, the convex groove is formed inside the support shaped like a Chinese character 'shan', a rack is arranged inside the convex groove and is in sliding connection with the rack, a gear is arranged at the top of the rack, the rack is meshed with the gear, and a transmission shaft is inserted inside the gear.
Specifically, the effect of controlling the supporting mechanism to support and retract is achieved by controlling the rack in the adjusting mechanism to move.
Preferably, one end of the threaded rod is connected with one side wall of the support frame through a bearing, the other end of the threaded rod extends out of the interior of the support frame and is connected with the support frame through a bearing, a first rotating wheel is fixedly arranged at the other end of the threaded rod, threads at two ends of the threaded rod are opposite in rotating direction, and the threaded rod is connected with the threaded block through threads.
Specifically, when the threaded rod rotates, the two threads with opposite rotating directions at the two ends have the effect of driving the two thread blocks to move relatively.
Preferably, one end of the transmission shaft is connected with one side wall of the E-shaped support through a bearing, the other end of the transmission shaft extends out of the inside of the E-shaped support and is connected with the E-shaped support through a bearing, and a second rotating wheel is fixedly arranged at the other end of the transmission shaft.
Specifically, the chevron-shaped support has a supporting effect.
Preferably, two ends of the spring are respectively and fixedly connected with the thread block and the U-shaped bracket.
In particular, the spring has a cushioning effect.
Preferably, one side of the supporting frame is provided with a retraction groove, and one side wall of the supporting frame is provided with two notches.
Specifically, the support frame has a support effect.
Preferably, the thread block penetrates through the accommodating groove and is in sliding connection with the accommodating groove.
Specifically, the retraction groove has the effect of facilitating the movement of the thread block and supporting the thread block at the same time.
Preferably, one end of the rack extends into the notch and is in sliding connection with the notch.
In particular, the notches have the effect of supporting the racks.
Preferably, one end of each guide post extends into the guide holes and is connected with the guide holes in a sliding manner.
Specifically, the guide hole has the effect of facilitating the guide pillar to move while limiting the guide pillar.
Preferably, the rotating shaft penetrates through the U-shaped bracket and is connected with the reinforcing rib through a bearing.
Specifically, the U-shaped support and the reinforcing ribs have the effect of supporting the rotating shaft.
Advantageous effects
Compared with the prior art, the utility model has the advantages that:
1. the fixed column slides along the hollow column under the pressure of the threaded block in the supporting mechanism, and meanwhile, the spring contracts to buffer, so that the device is prevented from being damaged due to uneven road surface in the advancing process of the semi-trailer body, the U-shaped support is driven to move by the threaded block through the fixed column, the hollow column and the spring without being influenced, and an auxiliary supporting effect is achieved through the first supporting wheel and the second supporting wheel;
2. supporting component among the adjustment mechanism control supporting mechanism through the adjustment assembly among the adjustment mechanism to carry out auxiliary stay through supporting mechanism to semi-trailer body, be same water flat line through supporting component among the adjustment mechanism control supporting mechanism and semi-trailer body, and then make things convenient for retrieving of supporting component.
Drawings
FIG. 1 is a perspective view provided by the present invention;
FIG. 2 is a perspective view of a support frame provided by the present invention;
FIG. 3 is a left side elevation view in cross section provided by the present invention;
FIG. 4 is a top cross-sectional view of a support frame provided in accordance with the present invention;
FIG. 5 is an enlarged view taken at A of FIG. 1 according to the present invention;
FIG. 6 is an enlarged view of the utility model at B of FIG. 3;
fig. 7 is an enlarged view of the utility model at C in fig. 4.
In the figure: the semi-trailer comprises a semi-trailer body 1, a support frame 2, a hole groove 3, a threaded rod 4, a guide hole 5, a transmission shaft 6, a support in the shape of a Chinese character 'shan' 7, a gear 8, a convex groove 9, a rack 10, a threaded block 11, a U-shaped support 12, a reinforcing rib 13, a rotating shaft 14, a support wheel I15, a support wheel II 16, a retraction groove 17, a hollow column 18, a fixed column 19, a spring 20 and a guide column 21.
Detailed Description
The utility model will be further described with reference to specific embodiments shown in the drawings.
Referring to the attached drawings 1-7, the auxiliary support wheel device of the semitrailer provided by the utility model comprises a semitrailer body 1, wherein a support mechanism and an adjusting mechanism are arranged at the bottom of the semitrailer body 1;
the supporting mechanism comprises a supporting frame 2, the supporting frame 2 is fixedly arranged at the bottom of a semitrailer body 1, a threaded rod 4 is arranged inside the supporting frame 2, a supporting component is arranged outside the threaded rod 4, the supporting component comprises a threaded block 11, a hole groove 3 is formed inside the threaded block 11, a fixed column 19 is fixedly arranged inside the hole groove 3, a hollow column 18 is sleeved outside the fixed column 19, a U-shaped support 12 is fixedly arranged at one end of the hollow column 18, a spring 20 is sleeved outside the fixed column 19 and the hollow column 18, a plurality of guide holes 5 are formed in one side of the threaded block 11, a plurality of guide columns 21 are fixedly arranged on one side of the U-shaped support 12, a reinforcing rib 13 is fixedly arranged on one side of the U-shaped support 12, a second supporting wheel 16 is arranged inside the U-shaped support 12, a rotating shaft 14 is inserted inside the second supporting wheel 16, and a first supporting wheel 15 is fixedly arranged at one end of the rotating shaft 14, one side of the supporting frame 2 is provided with an adjusting mechanism;
in the embodiment, when the semi-trailer body 1 needs auxiliary support of the first support wheel 15 and the second support wheel 16, the threaded block 11 is driven to move towards two sides through positive rotation of the threaded rod 4, the threaded block 11 moves to drive the hollow column 18 to move through the fixed column 19, the hollow column 18 moves to drive the U-shaped support 12 to move, the U-shaped support 12 moves to drive the reinforcing rib 13 and the rotating shaft 14 to move, the rotating shaft 14 moves to drive the first support wheel 15 and the second support wheel 16 to move towards two sides, the threaded block 11 is driven to rotate clockwise by the influence of gravity through the adjusting mechanism to drive the threaded rod 4, so that the first support wheel 15 and the second support wheel 16 on the left side and the right side perform auxiliary support on the semi-trailer body 1, the uneven road section is buffered through the hollow column 18, the fixed column 19 and the spring 20 when the device is retracted, the threaded block 11 rotates anticlockwise through the adjusting mechanism, the screw rod 4 is reversed to enable the screw block 11 to retract into the supporting frame 2, so that the first supporting wheel 15 and the second supporting wheel 16 are retracted;
wherein, in order to realize the purpose that adjustment mechanism control screw thread piece 11 is just reversing, this device adopts following technical scheme to realize: a retraction groove 17 is formed in one side of the support frame 2, two notches are formed in one side wall of the support frame 2, the retraction groove 17 is communicated with the convex groove 9, the thread block 11 penetrates through the retraction groove 17 and is in sliding connection with the retraction groove 17, the thread block 11 slides along the retraction groove 17, one end of the transmission shaft 6 is connected with one side wall of the chevron-shaped support 7 through a bearing, the other end of the transmission shaft 6 extends out of the interior of the chevron-shaped support 7 and is connected with the chevron-shaped support 7 through a bearing, a second rotating wheel is fixedly arranged at the other end of the transmission shaft 6, the second rotating wheel rotates to drive the transmission shaft 6 to rotate, one end of the rack 10 extends into the interior of the notch and is in sliding connection with the notch, the rack 10 slides along the notches, the adjusting mechanism comprises the chevron-shaped support 7, the top of the chevron-shaped support 7 is fixedly connected with the bottom of the semitrailer body 1, and an adjusting assembly is arranged in the chevron-shaped support 7, the adjusting assembly comprises a convex groove 9, the convex groove 9 is formed in the E-shaped support 7, a rack 10 is arranged in the convex groove 9 and is in sliding connection with the rack 10, a gear 8 is arranged at the top of the rack 10, the rack 10 is meshed with the gear 8, a transmission shaft 6 is inserted in the gear 8, the gear 8 is driven to rotate when the transmission shaft 6 rotates forwards, the gear 8 rotates to drive the rack 10 to slide in the convex groove 9, the rack 10 does not support the thread block 11, and when the thread block 11 moves to two ends of the take-up and pay-off groove 17, the thread block 11 rotates around the threaded rod 4 under the influence of gravity;
wherein, in order to realize the purpose that threaded rod 4 rotated, this device adopts following technical scheme to realize: one end of the threaded rod 4 is connected with one side wall of the support frame 2 through a bearing, the other end of the threaded rod 4 extends out of the support frame 2 and is connected with the support frame 2 through the bearing, a first rotating wheel is fixedly arranged at the other end of the threaded rod 4, the thread directions of two ends of the threaded rod 4 are opposite, the threaded rod 4 is connected with the thread block 11 through threads, and the threaded rod 4 is rotated by rotating the first rotating wheel;
wherein, in order to realize the purpose of auxiliary stay, this device adopts following technical scheme to realize: the two ends of the spring 20 are respectively fixedly connected with the thread block 11 and the U-shaped support 12, when the thread block 11 is under pressure, the spring 20 is contracted, impact on the U-shaped support 12 is reduced, one ends of the guide posts 21 respectively extend into the guide holes 5 and are in sliding connection with the guide holes 5, the guide posts 21 slide in the guide holes 5, the rotating shaft 14 penetrates through the U-shaped support 12 and is connected with the reinforcing ribs 13 through bearings, and the U-shaped support 12 drives the reinforcing ribs 13 and the rotating shaft 14 to move.
The using process of the utility model is as follows: when the auxiliary support device is used and auxiliary support is needed, the second forward rotation wheel drives the transmission shaft 6 to rotate, the transmission shaft 6 drives the gear 8 to rotate when rotating forward, the gear 8 rotates to drive the rack 10 to slide in the convex groove 9, meanwhile, the rack 10 slides along the notch, so that the rack 10 does not support the thread block 11, the first forward rotation wheel rotates the threaded rod 4, the threaded rod 4 rotates to drive the thread block 11 to move towards two sides, the thread block 11 moves to drive the hollow column 18 to move through the fixed column 19, the hollow column 18 moves to drive the U-shaped support 12 to move, the U-shaped support 12 moves to drive the reinforcing rib 13 to move with the rotating shaft 14, the rotating shaft 14 moves to drive the first support wheel 15 and the second support wheel 16 to move towards two sides, when the thread block 11 moves to two ends of the retraction groove 17, the thread block 11 is influenced by gravity to drive the threaded rod 4 to rotate clockwise, so that the thread block 11 passes through the hollow column 18, The U-shaped support 12 is driven by the matching of the fixed column 19 and the guide post 21 to rotate clockwise, so that the first support wheel 15 and the second support wheel 16 on the left side and the right side support the semi-trailer body 1 in an auxiliary manner, the uneven road section is buffered by the hollow column 18, the fixed column 19 and the spring 20 when the semi-trailer travels, so that the effect of auxiliary support is achieved, when the device is retracted, the second counter-rotating wheel drives the transmission shaft 6 to rotate, so that the gear 8 drives the rack 10 to move towards the inside of the support frame 2 along the notch, the threaded block 11 is extruded by the rack 10, so that the threaded block 11 rotates anticlockwise, the threaded block 11 drives the U-shaped support 12 through the hollow column 18, the fixed column 19 and the spring 20, the U-shaped support 12 drives the first support wheel 15 and the second support wheel 16 to move through the reinforcing rib 13 and the rotating shaft 14, so that the threaded block 11 and the retraction groove 17 are in the same horizontal line, and the threaded block 11 moves towards the middle of the support frame 2 through the retraction groove 17 by the reverse rotation of the threaded rod 4, thereby retracting the first support wheel 15 and the second support wheel 16.
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 (10)
1. The utility model provides a semitrailer auxiliary stay wheel device, includes semitrailer body (1), its characterized in that: the bottom of the semi-trailer body (1) is provided with a supporting mechanism and an adjusting mechanism;
the supporting mechanism comprises a supporting frame (2), the supporting frame (2) is fixedly arranged at the bottom of the semitrailer body (1), a threaded rod (4) is arranged inside the supporting frame (2), a supporting component is arranged outside the threaded rod (4), the supporting component comprises a threaded block (11), a hole groove (3) is formed inside the threaded block (11), a fixing column (19) is fixedly arranged inside the hole groove (3), a hollow column (18) is sleeved outside the fixing column (19), a U-shaped support (12) is fixedly arranged at one end of the hollow column (18), springs (20) are sleeved outside the fixing column (19) and the hollow column (18), a plurality of guide holes (5) are formed in one side of the threaded block (11), a plurality of guide columns (21) are fixedly arranged on one side of the U-shaped support (12), and a reinforcing rib (13) is fixedly arranged on one side of the U-shaped support (12), the support frame is characterized in that a second support wheel (16) is arranged inside the U-shaped support (12), a rotating shaft (14) is inserted inside the second support wheel (16), a first support wheel (15) is fixedly arranged at one end of the rotating shaft (14), and an adjusting mechanism is arranged on one side of the support frame (2).
2. The auxiliary supporting wheel device for the semitrailer as claimed in claim 1, wherein: adjustment mechanism includes chevron shape support (7), chevron shape support (7) top and semitrailer body (1) bottom fixed connection, chevron shape support (7) inside is equipped with adjusting part, adjusting part includes convex groove (9), convex groove (9) are seted up inside chevron shape support (7), convex groove (9) inside be equipped with rack (10) and with rack (10) sliding connection, rack (10) top is equipped with gear (8), rack (10) mesh mutually with gear (8), gear (8) inside grafting has transmission shaft (6).
3. The auxiliary supporting wheel device for the semitrailer as claimed in claim 1, wherein: threaded rod (4) one end passes through the bearing with carriage (2) a lateral wall and is connected, threaded rod (4) other end extends inside carriage (2) and is connected through the bearing with carriage (2), threaded rod (4) other end is fixed and is equipped with runner one, threaded rod (4) both ends screw thread is revolved to opposite, threaded rod (4) pass through threaded connection with screw block (11).
4. The auxiliary supporting wheel device for the semitrailer as claimed in claim 2, wherein: one end of the transmission shaft (6) is connected with one side wall of the E-shaped support (7) through a bearing, the other end of the transmission shaft (6) extends out of the interior of the E-shaped support (7) and is connected with the E-shaped support (7) through a bearing, and a rotating wheel II is fixedly arranged at the other end of the transmission shaft (6).
5. The auxiliary supporting wheel device for the semitrailer as claimed in claim 1, wherein: and two ends of the spring (20) are respectively and fixedly connected with the thread block (11) and the U-shaped bracket (12).
6. The auxiliary supporting wheel device for the semitrailer as claimed in claim 1, wherein: one side of the supporting frame (2) is provided with a retraction groove (17), and one side wall of the supporting frame (2) is provided with two notches.
7. The auxiliary supporting wheel device for the semitrailer as claimed in claim 6, wherein: the thread block (11) penetrates through the retraction groove (17) and is connected with the retraction groove (17) in a sliding mode.
8. The auxiliary supporting wheel device for the semitrailer as claimed in claim 2, wherein: one end of the rack (10) extends into the notch and is in sliding connection with the notch.
9. The auxiliary supporting wheel device for the semitrailer as claimed in claim 1, wherein: one ends of the guide columns (21) extend into the guide holes (5) respectively and are connected with the guide holes (5) in a sliding mode.
10. The auxiliary supporting wheel device for the semitrailer as claimed in claim 1, wherein: the rotating shaft (14) penetrates through the U-shaped support (12) and is connected with the reinforcing ribs (13) through bearings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122730559.8U CN216269191U (en) | 2021-11-09 | 2021-11-09 | Auxiliary supporting wheel device of semitrailer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122730559.8U CN216269191U (en) | 2021-11-09 | 2021-11-09 | Auxiliary supporting wheel device of semitrailer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216269191U true CN216269191U (en) | 2022-04-12 |
Family
ID=81007010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122730559.8U Active CN216269191U (en) | 2021-11-09 | 2021-11-09 | Auxiliary supporting wheel device of semitrailer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216269191U (en) |
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2021
- 2021-11-09 CN CN202122730559.8U patent/CN216269191U/en active Active
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