CN212148785U - Hydraulic support leg for semitrailer - Google Patents
Hydraulic support leg for semitrailer Download PDFInfo
- Publication number
- CN212148785U CN212148785U CN202020588514.4U CN202020588514U CN212148785U CN 212148785 U CN212148785 U CN 212148785U CN 202020588514 U CN202020588514 U CN 202020588514U CN 212148785 U CN212148785 U CN 212148785U
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- cylinder
- pneumatic cylinder
- hydraulic
- branch
- fixed
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Abstract
The utility model discloses a hydraulic leg for semitrailer, including the pneumatic cylinder, pneumatic cylinder body end fixed connection base, pneumatic cylinder piston end erection joint board, the mounting hole that a plurality of is used for alternating the bolt is seted up to the one side that the connecting plate deviates from the pneumatic cylinder, pneumatic cylinder body surface is from last to installing two branches down, branch is close to the one end surface processing external screw thread of pneumatic cylinder, the one end threaded connection screw sleeve of branch processing external screw thread, the screw sleeve is fixed on pneumatic cylinder body surface, the one end installation detachable shielding plate of pneumatic cylinder is kept away from to branch, and this a hydraulic leg for semitrailer can realize sheltering from and prevent that hydraulic oil splashes to one side of human body, improves the security.
Description
Technical Field
The utility model particularly relates to a hydraulic leg for semitrailer.
Background
Legs are typically provided under the left and right side rails of the semitrailer chassis to assist in supporting the semitrailer during loading and unloading of cargo or during parking repairs. Hydraulic legs are a common type of legs for semitrailers. At present, lack protective structure on the hydraulic leg, at control hydraulic leg extension or shrink in-process, if appear exploding when the jar condition, splash have hydraulic oil splash to the human body near the pneumatic cylinder easily on, have the potential safety hazard.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to prior art's weak point, provide a hydraulic leg for semitrailer to the realization is sheltered from and is prevented that hydraulic oil splashes to one side of human body, improves the security.
In order to achieve the above purpose, the present invention is realized by the following technical solution: the utility model provides a hydraulic leg for semitrailer, includes the pneumatic cylinder, pneumatic cylinder body end fixed connection base, pneumatic cylinder piston end erection joint board, the mounting hole that a plurality of is used for alternate bolt is seted up to the one side that the connecting plate deviates from the pneumatic cylinder, pneumatic cylinder body surface is from last two branches of installing down, branch is close to the one end surface processing external screw thread of pneumatic cylinder, the one end threaded connection thread bush of branch processing external screw thread, the thread bush is fixed on pneumatic cylinder body surface, branch keeps away from the one end installation detachable shielding plate of pneumatic cylinder.
Furthermore, one side, away from the hydraulic cylinder, of the support rod is provided with a threaded blind hole, one side, facing the hydraulic cylinder, of the shielding plate is provided with two round holes matched with the threaded blind hole, and each round hole is internally provided with a connecting bolt which penetrates through the round holes and is meshed in the threaded blind hole.
Further, three screw thread through-holes have been seted up for annular equidistance to the base upper surface, the internal meshing of screw thread through-hole has adjusting screw, adjusting screw upper end surface mounting has the handle.
Further, a straight thread cylinder is fixed on the lower surface of the connecting plate, a fixing plate is installed at the cylinder body end of the hydraulic cylinder, a through hole aligned with the straight thread cylinder is formed in one surface, facing the straight thread cylinder, of the fixing plate, a limiting bolt is arranged in the through hole, and one end of the limiting bolt is meshed in the straight thread cylinder.
Furthermore, a first cylinder ring is fixed in the middle of the upper surface of the base, and the cylinder body end of the hydraulic cylinder is fixed in the first cylinder ring.
Furthermore, a second cylinder ring is fixed in the middle of the lower surface of the connecting plate, and the piston end of the hydraulic cylinder is fixed in the second cylinder ring.
The utility model has the advantages that: the utility model discloses before control pneumatic cylinder extension or shrink, arrange the shielding plate in the pneumatic cylinder outside, and make shielding plate towards human one side, with shielding plate and the branch fixed connection who installs on the pneumatic cylinder afterwards, accomplish the mutual assembly of shielding plate and pneumatic cylinder, when the pneumatic cylinder jar condition appears exploding, under the effect of shielding plate, the hydraulic oil that splashes is blockked, thereby realize sheltering from on preventing that hydraulic oil splashes to the human body, the security improves, after finishing using, separate shielding plate and branch, and pull down branch from the thread bush, accomplish the shielding plate, the dismantlement of branch, the components of a whole that can function independently of being convenient for is placed.
The utility model discloses after base and ground contact, observe the contact condition on base and ground, utilize the handle to rotate the adjusting screw in the screw thread through-hole afterwards, make the adjusting screw and the ground contact of overhead department on the base to play the effect of auxiliary stay base, improve the equilibrium of base atress.
The utility model discloses after packing up the pneumatic cylinder, the interlude hole on the fixed plate is aligned with a straight thread section of thick bamboo, passes the interlude hole with spacing bolt and twists in a straight thread section of thick bamboo to play the effect of consolidating the pneumatic cylinder, prevent that the pneumatic cylinder from extension by accident under the in service behavior, improve the security.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic structural view of a hydraulic leg for a semitrailer of the present invention;
fig. 2 is an assembly schematic diagram of a threaded sleeve, a support rod and a baffle plate in a hydraulic support leg for a semitrailer according to the present invention;
fig. 3 is a perspective view of a base in a hydraulic leg of a semitrailer of the present invention;
fig. 4 is a perspective view of a fixing plate in a hydraulic leg of a semitrailer of the present invention;
in the figure: 1-hydraulic cylinder, 2-base, 3-first cylinder ring, 4-adjusting screw, 5-support rod, 6-limit bolt, 7-fixing plate, 8-straight thread cylinder, 9-mounting hole, 10-connecting plate, 11-second cylinder ring, 12-baffle plate, 13-connecting bolt, 14-round hole, 15-thread blind hole, 16-thread sleeve, 17-thread through hole and 18-through hole.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a hydraulic leg for semitrailer, includes pneumatic cylinder 1, and 1 cylinder body end fixed connection base 2 of pneumatic cylinder controls when 1 extension of pneumatic cylinder, and 2 downstream of pneumatic cylinder 1 drive base until base 2 and ground contact to enlarge the area of contact of 1 cylinder body end of pneumatic cylinder and ground, improve the stability of supporting pneumatic cylinder 1.
The piston end mounting connection board 10 of pneumatic cylinder 1, a plurality of is offered to the one side that the connecting plate 10 deviates from pneumatic cylinder 1 and is used for alternate mounting hole 9 of bolt, passes mounting hole 9 and semitrailer boundary beam fixed connection with the bolt of fixed connection board 10, accomplishes the fixed connection of connecting plate 10 and semitrailer boundary beam, accomplishes the fixed connection of pneumatic cylinder 1 and semitrailer boundary beam promptly.
The outer surface of the cylinder body of the hydraulic cylinder 1 is provided with two supporting rods 5 from top to bottom, the supporting rods 5 are close to the outer surface of one end of the hydraulic cylinder 1 to be processed with external threads, the supporting rods 5 are processed with external threads, one end of the external threads is connected with a threaded sleeve 16, the threaded sleeve 16 is fixed on the surface of the cylinder body of the hydraulic cylinder 1, one end of the external threads processed with the supporting rods 5 is screwed into the threaded sleeve 16 fixed on the hydraulic cylinder 1, and the supporting.
The detachable shielding plate 12 is installed at one end, far away from the hydraulic cylinder 1, of the support rod 5, before the hydraulic cylinder 1 is controlled to extend or contract, the shielding plate 12 is arranged on the outer side of the hydraulic cylinder 1, the shielding plate 12 faces one side of a human body, then the shielding plate 12 is fixedly connected with the support rod 5 installed on the hydraulic cylinder 1, mutual assembly of the shielding plate 12 and the hydraulic cylinder 1 is completed, when the hydraulic cylinder 1 is exploded, splashed hydraulic oil is blocked under the effect of the shielding plate 12, accordingly, splashing of the hydraulic oil to the human body is prevented, safety is improved, after the hydraulic cylinder is used, the shielding plate 12 is separated from the support rod 5, the support rod 5 is detached from the threaded sleeve 16, the shielding plate 12 and the support rod 5 are detached, and split placement is facilitated.
Threaded blind hole 15 has been seted up to the one side that pneumatic cylinder 1 was kept away from to branch 5, and shielding plate 12 sets up two round holes 14 with threaded blind hole 15 matched with towards the one side of pneumatic cylinder 1, is equipped with connecting bolt 13 in the round hole 14, and connecting bolt 13 runs through round hole 14 meshing in threaded blind hole 15, passes connecting bolt 13 in the round hole 14 on shielding plate 12 twists the threaded blind hole 15 on branch 5, realizes shielding plate 12 and branch 5's fixed connection.
Three screw thread through-hole 17 has been seted up to base 2 upper surface for annular equidistance, screw thread through-hole 17 internal gearing has adjusting screw 4, adjusting screw 4 upper end surface mounting has the handle, after base 2 and ground contact, observe the contact condition of base 2 and ground, utilize the handle to rotate adjusting screw 4 in the screw thread through-hole 17, make adjusting screw 4 and the ground contact of suspension department on the base 2 to play the effect of auxiliary stay base 2, improve the equilibrium of base 2 atress.
Surface mounting has a straight thread section of thick bamboo 8 under the connecting plate 10, fixed plate 7 is installed to 1 cylinder body end of pneumatic cylinder, the interlude hole 18 of aligning with a straight thread section of thick bamboo 8 is seted up towards the one side of a straight thread section of thick bamboo 8 to fixed plate 7, be equipped with stop bolt 6 in the interlude hole 18, the meshing of 6 one end of stop bolt is in a straight thread section of thick bamboo 8, pack up pneumatic cylinder 1 back, the interlude hole 18 on the fixed plate 7 is aligned with a straight thread section of thick bamboo 8, pass stop bolt 6 in the interlude hole 18 twists straight thread section of thick bamboo 8, thereby play the effect of consolidating pneumatic cylinder 1, prevent the unexpected extension of pneumatic cylinder 1 under the.
A first cylinder ring 3 is fixed in the middle of the upper surface of the base 2, the cylinder body end of the hydraulic cylinder 1 is fixed in the first cylinder ring 3, and the connection stability of the hydraulic cylinder 1 and the base 2 is improved.
A second cylinder ring 11 is fixed in the middle of the lower surface of the connecting plate 10, the piston end of the hydraulic cylinder 1 is fixed in the second cylinder ring 11, and the reliability of connection of the hydraulic cylinder 1 and the connecting plate 10 is improved.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. A hydraulic leg for a semitrailer, comprising a hydraulic cylinder (1), characterized in that: pneumatic cylinder (1) cylinder body end fixed connection base (2), pneumatic cylinder (1) piston end erection joint board (10), mounting hole (9) that a plurality of is used for alternating the bolt are seted up to the one side that deviates from pneumatic cylinder (1) in connecting plate (10), pneumatic cylinder (1) cylinder body surface is from last to installing two branch (5) down, branch (5) are close to the one end surface processing external screw thread of pneumatic cylinder (1), one end threaded connection threaded sleeve (16) of branch (5) processing external screw thread, threaded sleeve (16) are fixed on pneumatic cylinder (1) cylinder body surface, the one end installation detachable shielding plate (12) of pneumatic cylinder (1) are kept away from in branch (5).
2. A hydraulic leg for semitrailers as defined in claim 1, wherein: threaded blind holes (15) are formed in one face, far away from the hydraulic cylinder (1), of the support rod (5), two round holes (14) matched with the threaded blind holes (15) are formed in one face, facing the hydraulic cylinder (1), of the shielding plate (12), connecting bolts (13) are arranged in the round holes (14), and the connecting bolts (13) penetrate through the round holes (14) and are meshed in the threaded blind holes (15).
3. A hydraulic leg for semitrailers as defined in claim 1, wherein: three screw thread through-hole (17) have been seted up to base (2) upper surface for annular equidistance, screw thread through-hole (17) inner gearing has adjusting screw (4), adjusting screw (4) upper end surface mounting has the handle.
4. A hydraulic leg for semitrailers as defined in claim 1, wherein: the lower surface of the connecting plate (10) is fixed with a straight thread cylinder (8), a fixing plate (7) is installed at the cylinder body end of the hydraulic cylinder (1), a through hole (18) which is aligned with the straight thread cylinder (8) is formed in one surface, facing the straight thread cylinder (8), of the fixing plate (7), a limiting bolt (6) is arranged in the through hole (18), and one end of the limiting bolt (6) is meshed in the straight thread cylinder (8).
5. A hydraulic leg for semitrailers as defined in claim 1, wherein: the middle part of the upper surface of the base (2) is fixedly provided with a first cylinder ring (3), and the cylinder body end of the hydraulic cylinder (1) is fixed in the first cylinder ring (3).
6. A hydraulic leg for semitrailers as defined in claim 1, wherein: and a second cylinder ring (11) is fixed in the middle of the lower surface of the connecting plate (10), and the piston end of the hydraulic cylinder (1) is fixed in the second cylinder ring (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020588514.4U CN212148785U (en) | 2020-04-19 | 2020-04-19 | Hydraulic support leg for semitrailer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020588514.4U CN212148785U (en) | 2020-04-19 | 2020-04-19 | Hydraulic support leg for semitrailer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212148785U true CN212148785U (en) | 2020-12-15 |
Family
ID=73720337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020588514.4U Expired - Fee Related CN212148785U (en) | 2020-04-19 | 2020-04-19 | Hydraulic support leg for semitrailer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212148785U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112916699A (en) * | 2021-01-21 | 2021-06-08 | 邓继君 | Press machine for bearing processing |
| CN114162093A (en) * | 2021-12-27 | 2022-03-11 | 湖南文辉汽车制造有限公司 | Pull type motor home parking supporting leg convenient to adjust |
-
2020
- 2020-04-19 CN CN202020588514.4U patent/CN212148785U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112916699A (en) * | 2021-01-21 | 2021-06-08 | 邓继君 | Press machine for bearing processing |
| CN112916699B (en) * | 2021-01-21 | 2023-09-29 | 河南金卓轴承有限公司 | Press for bearing machining |
| CN114162093A (en) * | 2021-12-27 | 2022-03-11 | 湖南文辉汽车制造有限公司 | Pull type motor home parking supporting leg convenient to adjust |
| CN114162093B (en) * | 2021-12-27 | 2023-07-18 | 湖南文辉汽车制造有限公司 | Pull type motor home parking landing leg convenient to adjust |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201215 |
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| CF01 | Termination of patent right due to non-payment of annual fee |