CN215621605U - Self-unloading semitrailer is with having protective structure hydro-cylinder lifting hook that shifts - Google Patents
Self-unloading semitrailer is with having protective structure hydro-cylinder lifting hook that shifts Download PDFInfo
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- CN215621605U CN215621605U CN202121869472.2U CN202121869472U CN215621605U CN 215621605 U CN215621605 U CN 215621605U CN 202121869472 U CN202121869472 U CN 202121869472U CN 215621605 U CN215621605 U CN 215621605U
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- rod
- shifting
- sliding
- sliding groove
- lifting hook
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- 230000001681 protective effect Effects 0.000 title claims abstract description 8
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 11
- 238000006073 displacement reaction Methods 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 3
- 238000007599 discharging Methods 0.000 abstract 1
- 238000003780 insertion Methods 0.000 description 6
- 230000037431 insertion Effects 0.000 description 6
- 230000000670 limiting effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005336 cracking Methods 0.000 description 2
- 230000009191 jumping Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
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Abstract
The utility model discloses a shifting oil cylinder lifting hook with a protective structure for a self-discharging semitrailer, which comprises a frame and a shifting oil cylinder, wherein the top of the shifting oil cylinder is fixedly connected with a shifting top, the lower end of the frame is fixedly welded with a shifting top bracket, the shifting top is connected with the shifting top bracket through an articulated element, the outer surface of the shifting oil cylinder close to the left is connected with an adjusting bracket through a chain, the upper end of the adjusting bracket is provided with a sliding groove, two sliding plates are symmetrically and slidably connected in the sliding groove, two inner walls on two sides of the sliding groove are rotatably connected with a bidirectional threaded rod, and the two sliding plates are symmetrically and threadedly connected with the bidirectional threaded rod. Compared with the prior art that an open hook mode is adopted, the closed mode formed by the thick rod, the thin rod, the sliding plate and the adjusting support is adopted and firmly buckled, the situation that the semitrailer jumps and unhooks when driving on bumpy road conditions can be avoided, and safety is improved.
Description
Technical Field
The utility model relates to the technical field of semitrailers, in particular to a shifting oil cylinder lifting hook with a protection structure for a dump semitrailer.
Background
The semitrailer mostly takes backward turning with short wheelbase as a main part in mountainous areas in the south, and mostly takes the backward turning with long wheelbase in northern plains, and the backward turning self-unloading is often buried by transported materials after unloading, so that a vehicle is trapped and cannot be started.
The shifting oil cylinder is hung on a hanging ring on the frame by virtue of the hanging hook, although the structure is simple, when the semitrailer runs on a bumpy road surface, if the hanging hook is too shallow, the possibility of unhooking can be generated along with the up-and-down bumping of the oil cylinder, and once the unhooking is small, the shifting oil cylinder is damaged by friction with the ground, so that the running safety can be endangered greatly.
Therefore, the lifting hook with the protective structure for the shifting oil cylinder of the dump semitrailer is provided to solve the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a shifting oil cylinder lifting hook with a protective structure for a self-unloading semitrailer so as to solve the problem of unhooking in the driving process of the semitrailer.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the shifting oil cylinder lifting hook with the protection structure for the dump semitrailer comprises a frame and a shifting oil cylinder, wherein the top of the shifting oil cylinder is fixedly connected with a shifting top, a shifting top bracket is fixedly welded at the lower end of the frame, the shifting top is connected with the shifting top bracket through a hinge, the outer surface of the displacement oil cylinder close to the left is connected with an adjusting bracket through a chain, the upper end of the adjusting bracket is provided with a sliding groove, two sliding plates are symmetrically and slidably connected in the sliding groove, the inner walls of the two sides of the sliding groove are rotatably connected with two-way threaded rods, and the two sliding plates are symmetrically in threaded connection with the bidirectional threaded rod, the upper ends of the two sliding plates close to each other are respectively and fixedly connected with a thick rod and a thin rod, the lower extreme of frame just is at the solid fixed ring of the corresponding position fixedly connected with of chain.
Preferably, one end of the bidirectional threaded rod penetrates through the sliding groove and is in rotating connection with the sliding groove, and the rotary disc is fixedly connected to the rear of the bidirectional threaded rod.
Preferably, the sliding groove is a T-shaped groove, and the lower part of the sliding plate is a T-shaped plate.
Preferably, the side symmetry runs through sliding connection and has at least a pair of inserted bar around solid fixed ring, thick pole and thin pole open the slot of pegging graft with the inserted bar around the side, the one end fixedly connected with arm-tie of thick pole is kept away from to the inserted bar, the inserted bar overcoat is equipped with the spring, and the both ends of spring respectively with inserted bar, arm-tie fixed connection.
Preferably, one end of the thin rod close to the thick rod is in a round platform structure.
Preferably, one end of the inserted rod positioned in the fixed ring is of a semi-spherical structure.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, the thick rod and the thin rod move upwards to enable the fixing ring to penetrate through the space between the thick rod and the thin rod, the bidirectional threaded rod is rotated through the turntable, the two sliding plates move relatively under the limiting condition of the sliding grooves, so that the thin rod enters the rod grooves until the two sliding plates are contacted with the two sides of the fixing ring, compared with the traditional technology that an open hook mode is adopted, a closed mode formed by the thick rod, the thin rod, the sliding plates and the adjusting bracket is adopted, the thick rod, the thin rod, the sliding plates and the adjusting bracket are firmly buckled with each other, the situation that the semitrailer jumps and unhooks in bumpy road conditions during driving can be avoided, and the safety is enhanced;
2. according to the utility model, the thick rod and the thin rod are coaxially arranged at two sides of the fixing ring, the two pull plates are pulled outwards to ensure that the inserting rod does not influence the axial movement of the thick rod and the thin rod, the pull plates are released after the thin rod is inserted into the rod groove and the sliding plate is contacted with the fixing ring, the inserting rod is inserted into the inserting groove under the elastic force of the spring, the positions of the thick rod and the thin rod are further fixed, the jumping is avoided, the acting force on the fixing ring is reduced, and the cracking at the joint of the fixing ring and the frame caused by long-term use is avoided.
Drawings
FIG. 1 is a schematic structural view of the front side of a shifting cylinder hook with a protective structure for a dump semi-trailer according to the present invention;
FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;
fig. 3 is a schematic structural view of the side surface of the joint of the protection structure-equipped shifting cylinder hook fixing ring, the thick rod and the thin rod for the dump semitrailer, according to the present invention.
In the figure: the device comprises a frame 1, a displacement oil cylinder 2, a displacement top 3, a displacement top support 4, a fixing ring 5, a chain 6, an adjusting support 7, a sliding groove 8, a sliding plate 9, a bidirectional threaded rod 10, a thick rod 11, a thin rod 12, a rod groove 13, a slot 14, an inserted rod 15, a pulling plate 16 and a spring 17.
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.
Referring to fig. 1-3, the shifting cylinder lifting hook with the protective structure for the dump semitrailer comprises a frame 1 and a shifting cylinder 2, wherein a shifting top 3 is fixedly connected to the top of the shifting cylinder 2, a shifting top bracket 4 is fixedly welded to the lower end of the frame 1, the shifting top 3 is connected with the shifting top bracket 4 through an articulated piece, an adjusting bracket 7 is connected to the left outer surface of the shifting cylinder 2 through a chain 6, a sliding groove 8 is formed in the upper end of the adjusting bracket 7, two sliding plates 9 are symmetrically and slidably connected into the sliding groove 8, the sliding groove 8 is a T-shaped groove, a T-shaped plate is adopted at the lower part of the sliding plate 9, other structures with a limiting effect can be adopted, two-way threaded rods 10 are rotatably connected to the inner walls of the two sides of the sliding groove 8, the two sliding plates 9 are symmetrically and threadedly connected with the two-way threaded rods 10, one end of each two-way threaded rod 10 penetrates through the sliding groove 8 and is rotatably connected with the sliding groove, The rear fixed connection has a turntable, which facilitates the rotation of the bidirectional threaded rod 10.
The upper ends of the two sliding plates 9 close to each other are fixedly connected with a thick rod 11 and a thin rod 12 respectively, one end of the thick rod 11 is provided with a rod groove 13 connected with the thin rod 12 in a sliding manner, the lower end of the frame 1 is fixedly connected with a fixing ring 5 at the corresponding position of the chain 6, and the thick rod 11 and the thin rod 12 which are mutually inserted are matched with the fixing ring 5 for use.
The utility model is explained by taking the used end of the shift oil cylinder 2 as an initial state (how to put into use can be deduced according to the following working principle):
at the moment, the distance between the thick rod 11 and the thin rod 12 is larger than the thickness of the fixing ring 5, the thick rod 11 and the thin rod 12 move upwards to enable the fixing ring 5 to penetrate through the space between the thick rod 11 and the thin rod 12, the bidirectional threaded rod 10 is rotated through the turntable, the two sliding plates 9 move relative to the sliding groove 8 under the limiting condition, the thin rod 12 enters the rod groove 13 until the two sliding plates 9 contact with the two sides of the fixing ring 5, and compared with the prior art that an open hook mode is adopted, the closed mode formed by the thick rod 11, the thin rod 12, the sliding plates 9 and the adjusting support 7 is adopted and firmly buckled with each other, the situation that the semitrailer jumps and unhooks in a bumpy road condition during driving can be avoided, and the safety is enhanced.
Furthermore, the front side and the rear side of the fixing ring 5 are symmetrical and are connected with at least one pair of insertion rods 15 in a penetrating and sliding mode, slots 14 which are connected with the insertion rods 15 in an inserting mode are formed in the front side and the rear side of the thick rod 11 and the thin rod 12, one end, far away from the thick rod 11, of each insertion rod 15 is fixedly connected with a pulling plate 16, a spring 17 is sleeved outside each insertion rod 15, two ends of each spring 17 are fixedly connected with the insertion rods 15 and the pulling plates 16 respectively, and the insertion rods 15 can be pulled to be separated from the slots 14 through the pulling plates 16.
Under the improvement, the thick rod 11 and the thin rod 12 are coaxially arranged at two sides of the fixing ring 5, the two pulling plates 16 are pulled outwards to ensure that the inserting rod 15 cannot influence the axial movement of the thick rod 11 and the thin rod 12, the thin rod 12 is inserted into the rod groove 13, the pulling plates 16 are loosened after the sliding plate 9 is contacted with the fixing ring 5, the inserting rod 15 is inserted into the inserting groove 14 under the elastic force of the spring 17, the positions of the thick rod 11 and the thin rod 12 are further fixed, the jumping is avoided, the acting force on the fixing ring 5 is reduced, and the cracking of the joint of the fixing ring 5 and the frame 1 caused by long-term use is avoided; in addition, the thick rod 11 and the thin rod 12 have certain buffer effect through the spring 17 during the driving process of the semitrailer.
One end of the thin rod 12 close to the thick rod 11 is in a circular truncated cone structure, after the inserting rod 15 is inserted into the inserting groove 14, the inserting rod 15 can be extruded by the thin rod 12 which enters the rod groove 13, then the inserting rod 15 is contacted with the outer surface of the thin rod 12, and the inserting rod 15 can be inserted into the inserting groove 14 on the outer surface of the thin rod 12 in the moving process. One end of the inserted rod 15 positioned in the fixing ring 5 is of a semi-spherical structure, and the friction force generated by the contact with the outer surface of the thin rod 12 is small.
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. Dump semitrailer is with having protective structure hydro-cylinder lifting hook that shifts, including frame (1) and shift hydro-cylinder (2), its characterized in that: the top of the shifting oil cylinder (2) is fixedly connected with a shifting top (3), the lower end of the frame (1) is fixedly welded with a shifting top bracket (4), the shifting top (3) is connected with the shifting top bracket (4) through an articulated piece, the outer surface of the shifting oil cylinder (2) close to the left is connected with an adjusting bracket (7) through a chain (6), the upper end of the adjusting bracket (7) is provided with a sliding groove (8), the sliding groove (8) is internally and symmetrically connected with two sliding plates (9) in a sliding manner, the inner walls of the two sides of the sliding groove (8) are rotatably connected with a two-way threaded rod (10), the two sliding plates (9) are symmetrically and threadedly connected with the two-way threaded rod (10), the upper ends of the two sliding plates (9) close to each other are respectively and fixedly connected with a thick rod (11) and a thin rod (12), one end of the thick rod (11) is provided with a rod groove (13) which is slidably connected with the thin rod (12), the lower end of the frame (1) is fixedly connected with a fixing ring (5) at the corresponding position of the chain (6).
2. The shift cylinder lifting hook with the protection structure for the dump semitrailer according to claim 1, wherein: one end of the bidirectional threaded rod (10) penetrates through the sliding groove (8) and is rotationally connected with the sliding groove, and the rear part of the bidirectional threaded rod is fixedly connected with a rotary table.
3. The shift cylinder lifting hook with the protection structure for the dump semitrailer according to claim 1, wherein: the sliding groove (8) is a T-shaped groove, and the lower part of the sliding plate (9) is a T-shaped plate.
4. The shift cylinder lifting hook with the protection structure for the dump semitrailer according to claim 1, wherein: side symmetry runs through sliding connection and has at least a pair of inserted bar (15) around solid fixed ring (5), slot (14) of pegging graft with inserted bar (15) are opened to thick pole (11) and thin pole (12) front and back side, the one end fixedly connected with arm-tie (16) of thick pole (11) are kept away from in inserted bar (15), inserted bar (15) overcoat is equipped with spring (17), and the both ends of spring (17) respectively with inserted bar (15), arm-tie (16) fixed connection.
5. The shift cylinder lifting hook with the protection structure for the dump semitrailer according to claim 1, wherein: one end of the thin rod (12) close to the thick rod (11) is in a round table structure.
6. The dump semitrailer of claim 4, wherein the protection structure comprises a displacement cylinder hook, and the displacement cylinder hook comprises: one end of the inserted bar (15) positioned in the fixing ring (5) is of a semi-sphere structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121869472.2U CN215621605U (en) | 2021-08-11 | 2021-08-11 | Self-unloading semitrailer is with having protective structure hydro-cylinder lifting hook that shifts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121869472.2U CN215621605U (en) | 2021-08-11 | 2021-08-11 | Self-unloading semitrailer is with having protective structure hydro-cylinder lifting hook that shifts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215621605U true CN215621605U (en) | 2022-01-25 |
Family
ID=79896671
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121869472.2U Active CN215621605U (en) | 2021-08-11 | 2021-08-11 | Self-unloading semitrailer is with having protective structure hydro-cylinder lifting hook that shifts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215621605U (en) |
-
2021
- 2021-08-11 CN CN202121869472.2U patent/CN215621605U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Self dumping semi-trailer with protective structure displacement oil cylinder lifting hook Granted publication date: 20220125 Pledgee: Shandong Liangshan Rural Commercial Bank Co.,Ltd. Pledgor: Liangshan Yuetong Special Purpose Vehicle Manufacturing Co.,Ltd. Registration number: Y2024980001903 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |