CN215971457U - High-strength transmission screw structure for semi-trailer supporting device - Google Patents
High-strength transmission screw structure for semi-trailer supporting device Download PDFInfo
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- CN215971457U CN215971457U CN202121236069.6U CN202121236069U CN215971457U CN 215971457 U CN215971457 U CN 215971457U CN 202121236069 U CN202121236069 U CN 202121236069U CN 215971457 U CN215971457 U CN 215971457U
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- cylinder
- fixed cylinder
- transmission screw
- adjusting column
- adjusting
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 60
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 29
- 230000000694 effects Effects 0.000 claims abstract description 4
- 230000008878 coupling Effects 0.000 claims description 9
- 238000010168 coupling process Methods 0.000 claims description 9
- 238000005859 coupling reaction Methods 0.000 claims description 9
- 230000033228 biological regulation Effects 0.000 claims description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims 3
- 235000017491 Bambusa tulda Nutrition 0.000 claims 3
- 241001330002 Bambuseae Species 0.000 claims 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims 3
- 239000011425 bamboo Substances 0.000 claims 3
- 239000011148 porous material Substances 0.000 claims 2
- 230000003827 upregulation Effects 0.000 claims 1
- 230000005484 gravity Effects 0.000 abstract description 6
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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Abstract
The utility model discloses a high-strength transmission screw structure for a semitrailer supporting device, which comprises a fixed cylinder, a stabilizing cylinder and an adjusting column, wherein the two ends of the fixed cylinder are arranged in a closed mode, the stabilizing cylinder is sleeved on the outer wall of the fixed cylinder in a sliding mode, the adjusting column is arranged in the fixed cylinder in a sliding mode, the inner top surface of the fixed cylinder is rotatably connected with a transmission screw for adjusting the adjusting column, and the bottom end of the adjusting column movably penetrates through the bottom of the fixed cylinder; the telescopic adjusting device is simple in structure, the extending length of the adjusting column can be conveniently adjusted in a transmission mode through the transmission screw, the stability of the adjusting column in telescopic adjustment and the connection strength between the fixing cylinders can be conveniently improved through the stabilizing cylinders, and the stability and the supporting strength of the transmission screw in transmission can be further improved; the pressure of the semitrailer acting on the transmission screw rod is convenient to reduce, the gravity of the semitrailer is conveniently divided and loaded by the stabilizing cylinder and the fixing cylinder on the adjusting column, the fixing cylinder and the stabilizing cylinder are conveniently integrated, the effect of stable support is achieved, and the service life of the transmission screw rod is effectively prolonged.
Description
Technical Field
The utility model relates to the technical field of semi-trailer support, in particular to a high-strength transmission screw structure for a semi-trailer supporting device.
Background
The semitrailer is a vehicle for loading and unloading goods, the semitrailer supporting device is a special part of various semitrailers, the left and right supporting legs of the semitrailer are respectively arranged on the left and right sides of the front end of the semitrailer, and the height of the front end of the semitrailer is adjusted according to the traction heights of various tractors so as to realize coupling or separation with the tractors in a heavy load or no-load state; the existing supporting devices are fixed at the bottom of the trailer, after the height of the supporting devices is adjusted through the screw in the supporting devices, due to the fact that the gravity of the semitrailer is large, large pressure is easily caused on the screw in the supporting devices, the existing supporting devices are not convenient to carry out load sharing on the gravity, the screw is supported for a long time, threads on the surface of the screw are easily damaged, the service life of the screw is shortened, and therefore the problems need to be improved and optimized.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defect of poor practicability in the prior art, and provides a high-strength transmission screw structure for a semitrailer supporting device.
In order to achieve the purpose, the utility model adopts the following technical scheme: the high-strength transmission screw structure for the semi-trailer supporting device comprises a fixed cylinder, a stable cylinder and an adjusting column, wherein the two ends of the fixed cylinder are sealed and arranged, the stable cylinder is sleeved on the outer wall of the fixed cylinder in a sliding mode, the adjusting column is arranged in the fixed cylinder in a sliding mode, the inner top surface of the fixed cylinder is rotatably connected with the transmission screw used for adjusting the adjusting column, the top end of the transmission screw movably penetrates through the top of the fixed cylinder, and the bottom end of the adjusting column movably penetrates out of the bottom of the fixed cylinder.
Preferably, adjust the post including seting up threaded cavity in the post, rigid coupling at the screwed pipe of adjusting post top opening part and rigid coupling at the anticreep ring of top outer wall, drive screw's body of rod threaded connection is in the screwed pipe.
Preferably, the transmission screw comprises a transmission column block which is in threaded connection with the threaded cavity, and the outer wall surface of the transmission column block is provided with external threads matched with the threaded cavity.
Preferably, the stabilizing cylinder comprises a fixed ring plate horizontally fixed at the bottom of the cylinder body, and the fixed ring plate is horizontally and fixedly sleeved on a bottom cylinder of the adjusting column.
Preferably, the fixed cylinder includes the guide bar of rigid coupling in top surface both sides and the T type lug of rigid coupling in barrel bottom both sides, the equal vertical cooperation guide bar in both sides in the regulation post column has seted up the guiding hole way, the guide bar activity is inserted and is established in the guiding hole way of adjusting the post, T type spout has been seted up to equal vertical cooperation T type lug on the both sides inner wall of a stabilizing cylinder, the outer end of T type lug all slides and sets up in the T type spout of a stabilizing cylinder.
Preferably, the top of the outer wall of each of the two sides of the stabilizing cylinder is in threaded connection with a positioning bolt, the outer wall of each of the two sides of the fixing cylinder is matched with the positioning bolt to be provided with a plurality of positioning grooves, and the inner end of the positioning bolt is movably inserted into the positioning grooves.
Compared with the prior art, the utility model has the beneficial effects that: according to the telescopic adjusting device, the extending length of the adjusting column can be conveniently adjusted in a transmission mode through the transmission screw, the stability of the adjusting column during telescopic adjustment and the connection strength between the fixing cylinders can be conveniently improved through the stabilizing cylinder, and the stability and the supporting strength of the transmission screw during transmission are further improved; the connection strength and stability of the transmission screw and the adjusting column during transmission adjustment are further improved through the transmission column block; the positioning bolt is convenient for limit fixing the regulated stabilizing cylinder, the pressure of the semitrailer acting on the transmission screw rod is convenient to reduce, the stabilizing cylinder on the regulating column and the fixing cylinder are convenient to carry out load sharing on the gravity of the semitrailer, the fixing cylinder and the stabilizing cylinder are convenient to form a whole, the effect of stable support is achieved, and the service life of the transmission screw rod is effectively prolonged.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the utility model and together with the description serve to explain the utility model without limiting the utility model. In the drawings:
FIG. 1 is a schematic view of a front view mechanism according to the present invention;
FIG. 2 is a schematic cross-sectional front view of the present invention;
FIG. 3 is a schematic view of a partial cross-sectional structure of an adjusting column according to the present invention;
number in the figure: 1. a fixed cylinder; 2. a stabilizing cylinder; 3. an adjustment column; 4. a drive screw; 5. a drive column block; 6. a stationary ring plate; 7. a threaded pipe; 8. a T-shaped bump; 9. positioning the bolt; 10. a guide bar; 11. the anti-drop ring; 12. and (6) positioning a groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example (b): referring to fig. 1-3, the high-strength transmission screw structure for a semitrailer supporting device in the utility model comprises a fixed cylinder 1 with two closed ends, a stabilizing cylinder 2 slidably sleeved on the outer wall of the fixed cylinder 1, and an adjusting column 3 slidably arranged in the fixed cylinder 1, wherein a transmission screw 4 for adjusting the adjusting column 3 is rotatably connected to the inner top surface of the fixed cylinder 1, the top end of the transmission screw 4 movably penetrates through the top of the fixed cylinder 1, the bottom end of the adjusting column 3 movably penetrates through the bottom of the fixed cylinder 1, the extending length of the adjusting column 3 is conveniently adjusted in a transmission manner through the transmission screw 4, the stability of the adjusting column 3 during telescopic adjustment and the connection strength between the fixed cylinders 1 are conveniently improved through the stabilizing cylinder 2, and the stability and the supporting strength of the transmission screw 4 during transmission are further improved.
In the utility model, the adjusting column 3 comprises a threaded cavity arranged in the column body, a threaded pipe 7 fixedly connected at an opening at the top of the adjusting column 3 and an anti-drop ring 11 fixedly connected at the outer wall of the top, a rod body of the transmission screw rod 4 is in threaded connection with the threaded pipe 7, and the stability and the bearing strength of the transmission screw rod 4 during transmission are improved conveniently through the threaded pipe 7.
In the utility model, the transmission screw rod 4 comprises a transmission column block 5 which is in threaded connection in the threaded cavity, the outer wall surface of the transmission column block 5 is provided with external threads in a way of being matched with the threaded cavity, and the transmission column block 5 is used for further improving the connection strength and stability of the transmission screw rod 4 and the adjusting column 3 during transmission adjustment and the overall strength of the transmission screw rod 4.
In the utility model, the stabilizing cylinder 2 comprises a fixed ring plate 6 horizontally fixed at the bottom of the cylinder body, the fixed ring plate 6 is horizontally and fixedly sleeved on the bottom cylinder body of the adjusting column 3, the connecting strength between the stabilizing cylinder 2 and the adjusting column 3 is conveniently improved through the fixed ring plate 6, and the stability of the transmission screw rod 4 to the adjusting column 3 during outward extending adjustment sliding is further improved.
In the utility model, the fixed cylinder 1 comprises guide rods 10 fixedly connected on two sides of the inner top surface and T-shaped convex blocks 8 fixedly connected on two sides of the bottom of the cylinder body, guide hole channels are respectively formed in two sides in the cylinder body of the adjusting column 3 in a vertical matching mode through the guide rods 10, the guide rods 10 are movably inserted in the guide hole channels of the adjusting column 3, T-shaped sliding grooves are respectively formed in the inner walls of two sides of the stabilizing cylinder 2 in a vertical matching mode through the T-shaped convex blocks 8, the outer ends of the T-shaped convex blocks 8 are respectively arranged in the T-shaped sliding grooves of the stabilizing cylinder 2 in a sliding mode, the stability of the adjusting column 3 during transmission reverse thrust is facilitated through the guide rods 10, the adjusting column 3 is prevented from being subjected to angular deflection, the stability of the adjusting column 3 during external elongation adjustment is improved, and the stable sliding adjustment of the stabilizing cylinder 2 on the fixed cylinder 1 is facilitated through the T-shaped convex blocks 8.
In the utility model, the top parts of the outer walls of the two sides of the stabilizing cylinder 2 are both in threaded connection with positioning bolts 9, the outer walls of the two sides of the fixing cylinder 1 are both provided with a plurality of positioning grooves 12 in a matching manner with the positioning bolts 9, the inner ends of the positioning bolts 9 are movably inserted in the positioning grooves 12, the stabilizing cylinder 2 after adjustment is convenient to limit and fix through the positioning bolts 9, the pressure of the semi-trailer acting on the transmission screw rod 4 is convenient to reduce, the gravity of the semi-trailer is conveniently distributed and loaded by the stabilizing cylinder 2 on the adjusting column 3 and the fixing cylinder 1, and the service life of the transmission screw rod 4 is convenient to prolong.
The working principle is as follows: when the device is used, the device is firstly installed on a supporting device of a semitrailer, then the supporting device is arranged at the bottom of the semitrailer, then a driving mechanism in the supporting device drives a transmission screw rod 4 to rotate, a transmission column block 5 is conveniently driven to rotate through the rotation of the transmission screw rod 4, the bottom end of an adjusting column 3 is conveniently and synchronously pushed to extend and support through the rotation of the transmission screw rod 4 and the transmission column block 5, a stabilizing cylinder 2 on a fixed ring plate 6 is conveniently driven to stably descend on a fixed cylinder 1 through the descending of the adjusting column 3, the stability of the transmission screw rod 4 when the adjusting column 3 extends is further conveniently improved, then after the adjusting column 3 is adjusted according to the required height, the position of the stabilizing cylinder 2 is fixed through screwing a positioning bolt 9, and further the adjusting column 3 and the stabilizing cylinder 2 are convenient to carry out partial load on the gravity borne by the transmission screw rod 4, the fixed cylinder 1 and the stable cylinder 2 are integrated conveniently and stably supported.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (6)
1. High strength drive screw structure that semitrailer supporting device used, seal fixed cylinder (1), the slip cap that sets up including both ends and establish a stable section of thick bamboo (2) on fixed cylinder (1) outer wall and slide and set up regulation post (3) in fixed cylinder (1), its characterized in that: the inner top surface of the fixed cylinder (1) is rotatably connected with a transmission screw rod (4) used for adjusting the adjusting column (3), the top end of the transmission screw rod (4) movably penetrates through the top of the fixed cylinder (1), and the bottom end of the adjusting column (3) movably penetrates through the bottom of the fixed cylinder (1).
2. A high-strength drive screw structure for a semitrailer supporting device according to claim 1, characterized in that: adjust post (3) including seting up threaded cavity, rigid coupling in the post, threaded pipe (7) and rigid coupling anticreep ring (11) at the top outer wall of adjusting post (3) top opening part, the body of rod threaded connection of drive screw (4) is in threaded pipe (7).
3. A high-strength drive screw structure for a semitrailer supporting device according to claim 2, characterized in that: the transmission screw rod (4) comprises a transmission column block (5) which is in threaded connection with the threaded cavity, and the outer wall surface of the transmission column block (5) is matched with the threaded cavity to be provided with external threads.
4. A high-strength drive screw structure for a semitrailer supporting device according to claim 1, characterized in that: the stabilizing cylinder (2) comprises a fixed ring plate (6) which is horizontally fixed at the bottom of the cylinder body, and the fixed ring plate (6) is horizontally and fixedly sleeved on a bottom cylinder of the adjusting column (3).
5. A high-strength drive screw structure for a semitrailer supporting device according to claim 1, characterized in that: fixed cylinder (1) includes guide bar (10) and T type lug (8) of rigid coupling in barrel bottom both sides of top surface both sides in the rigid coupling, the equal vertical cooperation guide bar (10) in both sides in regulation post (3) post have seted up the direction pore, guide bar (10) activity is inserted and is established in the direction pore of adjusting post (3), T type spout has been seted up in equal vertical cooperation T type lug (8) on the both sides inner wall of a section of thick bamboo (2), the outer end of T type lug (8) all slides and sets up in the T type spout of a section of thick bamboo (2).
6. A high-strength drive screw structure for a semitrailer supporting device according to claim 1, characterized in that: the top parts of the outer walls of the two sides of the stabilizing barrel (2) are all in threaded connection with positioning bolts (9), the outer walls of the two sides of the fixing barrel (1) are all matched with the positioning bolts (9) to be provided with a plurality of positioning grooves (12), and the inner ends of the positioning bolts (9) are movably inserted into the positioning grooves (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121236069.6U CN215971457U (en) | 2021-06-03 | 2021-06-03 | High-strength transmission screw structure for semi-trailer supporting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121236069.6U CN215971457U (en) | 2021-06-03 | 2021-06-03 | High-strength transmission screw structure for semi-trailer supporting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215971457U true CN215971457U (en) | 2022-03-08 |
Family
ID=80574954
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121236069.6U Expired - Fee Related CN215971457U (en) | 2021-06-03 | 2021-06-03 | High-strength transmission screw structure for semi-trailer supporting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215971457U (en) |
-
2021
- 2021-06-03 CN CN202121236069.6U patent/CN215971457U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220308 |