CN218021881U - Self-locking mechanism for rear door of dump truck - Google Patents
Self-locking mechanism for rear door of dump truck Download PDFInfo
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- CN218021881U CN218021881U CN202221845781.0U CN202221845781U CN218021881U CN 218021881 U CN218021881 U CN 218021881U CN 202221845781 U CN202221845781 U CN 202221845781U CN 218021881 U CN218021881 U CN 218021881U
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- rear door
- locking
- rotating shaft
- dump truck
- oil cylinder
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Abstract
The utility model discloses a self-locking mechanism of tipper back door, the setting is close to the lower part of tipper back door one end at the tipper railway carriage or compartment body, it specifically contains a back door locking hydro-cylinder, a rotation axis, two connecting rods and two locking hooks, and back door locking hydro-cylinder one end articulates the carriage bottom plate lower part that the tipper railway carriage or compartment body is close to tipper back door one end, the other end articulates on the rotation axis, the rotation axis spanes the carriage bottom plate below that the tipper railway carriage or compartment body is close to tipper back door one end, and its both ends correspond respectively and link to each other with two connecting rods, two connecting rods correspond respectively and link to each other with two locking hooks, two locking hooks are used for driving its rotation through rotation axis and connecting rod under the drive of back door locking hydro-cylinder, thereby realize the automatic locking and the automatic loosening of tipper back door. The utility model has the advantages that: when the self-discharging carriage is used, the self-discharging carriage can be completely locked, and secondary pollution to the environment caused by the fact that goods loaded in the self-discharging carriage are scattered to the ground from a rear door can be effectively avoided.
Description
Technical Field
The utility model relates to a locking mechanism, specific saying so relates to a tipper back door is from locking mechanism.
Background
The traditional self-discharging vehicle generally adopts a mode that a rear door is compressed by a rear door automatic locking hook to realize rear door self-locking, but the rear door self-locking mode generally has the following defects: when sudden conditions such as bumping or sudden braking occur, large impact is generated on the back door, which is caused by the fact that the automatic locking hook adopted at present cannot achieve complete locking. In addition, because the automatic locking hook adopted at present cannot achieve complete locking, bulk goods (such as silt, broken stone, coal mine and the like) loaded in the box body of the dumper can be scattered to the ground from a gap between the rear door and the carriage along with the impact at a moment, and further secondary pollution is caused to the environment.
SUMMERY OF THE UTILITY MODEL
To the problem in the background art, the utility model aims to provide a tipper back door self-locking mechanism that can realize the tight seal of back door lock completely.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a self-locking mechanism for a rear door of a dump truck is arranged at the lower part of a carriage body of the dump truck close to one end of the rear door of the dump truck and specifically comprises a rear door locking oil cylinder, a rotating shaft, two connecting rods and two locking hooks, wherein one end of the rear door locking oil cylinder is hinged to the lower part of a carriage bottom plate of the carriage body of the dump truck close to one end of the rear door of the dump truck, the other end of the rear door locking oil cylinder is hinged to the rotating shaft, the rotating shaft stretches across the lower part of the carriage bottom plate of the carriage body close to one end of the rear door of the dump truck, the two ends of the rotating shaft are correspondingly connected with the two connecting rods respectively, the two connecting rods are correspondingly connected with the two locking hooks respectively, and the two locking hooks are used for driving the rear door locking oil cylinder to automatically lock and automatically release the rear door of the dump truck.
The dumper truck further comprises a rear door locking oil cylinder seat and a rear door locking oil cylinder connecting plate, the rear door locking oil cylinder seat is fixedly welded on a carriage bottom plate of the dumper carriage body and is hinged with one end of the rear door locking oil cylinder, the other end of the rear door locking oil cylinder is hinged with one end of the rear door locking oil cylinder connecting plate, and the other end of the rear door locking oil cylinder connecting plate is clamped on the rotating shaft.
The two second rotating shaft supports are respectively sleeved at two ends of the rotating shaft and fixedly supported at the lower part of the carriage bottom plate of the dump truck carriage body.
The locking device comprises a rotating shaft, a locking hook fixing support and two connecting rod connecting plates, wherein the rotating shaft is provided with a plurality of locking hooks; the two locking hook fixing supports are symmetrically arranged on the left side and the right side of the rear edge frame of the dumper carriage body and fixedly connected with the rear edge frame of the dumper carriage body, and one locking hook is correspondingly hinged to each locking hook fixing support.
Compared with the prior art, the utility model has the advantages that: when the self-discharging carriage is used, the self-discharging carriage can be completely locked, and secondary pollution to the environment caused by goods loaded in the self-discharging carriage body from being scattered to the ground from a rear door can be effectively avoided.
Drawings
Fig. 1 is a schematic structural view of the self-locking mechanism of the rear door of the dump truck of the present invention;
FIG. 2 shows an embodiment of the self-locking mechanism for the rear door of the dump truck according to the present invention;
FIG. 3 is a bottom view of FIG. 2;
FIG. 4 is an enlarged view taken at node A of FIG. 3;
FIG. 5 is a schematic structural view of the rear door self-locking mechanism of FIG. 2 in a fully open state;
FIG. 6 is a schematic structural view of the rear door self-locking mechanism of FIG. 2 in a fully locked state;
description of reference numerals: 1. a dump truck carriage; 2. a rear door of the dump truck; 3. a rear door self-locking mechanism; 31. the rear door locks the oil cylinder; 32. a rotating shaft; 33. a connecting rod; 34. a locking hook; 35. the rear door locks the oil cylinder seat; 36. the rear door locks the oil cylinder connecting plate; 37. a first rotating shaft support; 38. a second rotating shaft support; 39. a connecting rod connecting plate; 310. the locking hook fixes the support.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, how to implement the present invention is further explained below with reference to the accompanying drawings and the detailed description.
Referring to fig. 1 to 4, the present invention provides a self-locking mechanism for a rear door of a dump truck, which is specifically arranged at the lower part of the carriage body 1 of the dump truck near one end of the rear door 2 of the dump truck. Specifically, the rear door self-locking mechanism 3 comprises a rear door locking cylinder 31, a rotating shaft 32, two connecting rods 33 and two locking hooks 34, wherein one end of the rear door locking cylinder 31 is hinged to the lower portion of the bed plate 11 at one end of the dump truck body 1 close to the rear door 2 of the dump truck, the other end of the rear door locking cylinder is hinged to the rotating shaft 32, the rotating shaft 32 stretches across the lower portion of the bed plate 11 at one end of the dump truck body 1 close to the rear door 2 of the dump truck, and the two ends of the rotating shaft are correspondingly connected with the two connecting rods 33, the two connecting rods 33 are correspondingly connected with the two locking hooks 34, and the two locking hooks 34 are driven by the rear door locking cylinder 31 to drive the rear door 2 of the dump truck to rotate through the rotating shaft 32 and the connecting rods 33, so that the rear door 2 of the dump truck is automatically locked and released.
More specifically, the rear door self-locking mechanism 3 further comprises a rear door locking cylinder base 35 and a rear door locking cylinder connecting plate 36; the rear door locking cylinder seat 35 is welded on the platform floor 11 of the dump truck platform body 1 and is hinged with one end of the rear door locking cylinder 31 through a pin shaft, the other end of the rear door locking cylinder 31 is hinged with one end of the rear door locking cylinder connecting plate 36 through a pin shaft, and the other end of the rear door locking cylinder connecting plate 36 is clamped on the rotating shaft 32.
More specifically, the rear door self-locking mechanism 3 further includes a first rotating shaft support 37 and two second rotating shaft supports 38; the first rotating shaft support 37 is sleeved on the middle of the rotating shaft 32 and is fixedly supported on the lower portion of the platform floor 11 of the dump truck platform body 1, and the two second rotating shaft supports 38 are respectively sleeved on two ends of the rotating shaft 32 and are fixedly supported on the lower portion of the platform floor 11 of the dump truck platform body 1.
More specifically, the rear door self-locking mechanism 3 further includes two link connecting plates 39 and two locking hook fixing supports 310; wherein, two connecting rod connecting plates 39 are respectively arranged at two ends of the rotating shaft 32, one end of each connecting rod connecting plate 39 is clamped and fixed on the rotating shaft 32, the other end is hinged on one end of a connecting rod 33 arranged at the same side, and the other end of each connecting rod 33 is correspondingly hinged with a locking hook 34 arranged at the same side; the two locking hook fixing supports 310 are symmetrically arranged on the left side and the right side of the rear frame 12 of the dump truck carriage body 1 and are fixedly connected with the rear frame 12 of the dump truck carriage body 1, and each locking hook fixing support 310 is correspondingly hinged with one locking hook 34.
The utility model discloses self-locking mechanism's of tipper back door theory of operation specifically as follows:
when the rear door 2 of the dump truck needs to be opened, the oil cylinder rod of the rear door locking oil cylinder 31 is driven to extend, so that the extended oil cylinder rod pushes the rotating shaft 32 to rotate through the rear door locking oil cylinder connecting plate 36, then the rotating shaft 32 pushes the connecting rods 33 at two ends to rotate through the connecting rod connecting plates 39 at two ends, finally the connecting rods 33 at two ends push the locking hooks 34 at two ends to rotate around the locking hook fixing supports 310 at two ends, so that the locking hooks 34 at two ends are separated from the locking supports on the rear door 2 of the dump truck, and the rear door 2 of the dump truck can be opened at the moment, as shown in fig. 5.
When the rear door 2 of the dump truck needs to be locked, the cylinder rods of the rear door locking cylinder 31 are driven to retract, so that the retracted cylinder rods drive the rotating shaft 32 to rotate through the rear door locking cylinder connecting plate 36, then the rotating shaft 32 drives the connecting rods 33 at two ends to rotate through the connecting rod connecting plates 39 at two ends, finally the connecting rods 33 at two ends drive the locking hooks 34 at two ends to rotate around the locking hook fixing supports 310 at two ends, so that the locking hooks 34 at two ends hook the locking seats on the rear door 2 of the dump truck until the cylinder rods of the rear door locking cylinder 31 are at the minimum stroke, namely the center of two ends of the connecting rod 33 and the rotating center of the rotating shaft 32 are positioned on a straight line, at the moment, the rear door self-locking mechanism 3 can achieve a completely self-locking state, and the rear door 2 of the dump truck can be completely locked, as shown in fig. 6.
Finally, the above description is only the embodiments of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.
Claims (4)
1. The utility model provides a tipper back door is from locking mechanism, sets up in the lower part that tipper railway carriage or compartment body (1) is close to tipper back door (2) one end which characterized in that: the rear door self-locking mechanism (3) comprises a rear door locking oil cylinder (31), a rotating shaft (32), two connecting rods (33) and two locking hooks (34), one end of the rear door locking oil cylinder (31) is hinged to the lower portion of a compartment bottom plate (11) of one end, close to the rear door (2) of the dump truck, of the dump truck compartment body (1), the other end of the rear door locking oil cylinder is hinged to the rotating shaft (32), the rotating shaft (32) stretches across the lower portion of the compartment bottom plate (11) of one end, close to the rear door (2) of the dump truck, of the dump truck compartment body (1), the two ends of the rotating shaft are correspondingly connected with the two connecting rods (33) respectively, the two connecting rods (33) are correspondingly connected with the two locking hooks (34) respectively, and the two locking hooks (34) are used for driving the self-rotation of the rotating shaft (32) and the connecting rods (33) under the driving of the rear door locking oil cylinder (31) of the dump truck, so that the rear door (2) of the dump truck can be automatically locked and automatically loosened.
2. The self-locking mechanism for the rear door of the dump truck according to claim 1, wherein: the dumper truck body is characterized by further comprising a rear door locking oil cylinder seat (35) and a rear door locking oil cylinder connecting plate (36), wherein the rear door locking oil cylinder seat (35) is fixedly welded on a bottom plate of the dumper truck body (1) and is hinged to one end of the rear door locking oil cylinder (31), the other end of the rear door locking oil cylinder (31) is hinged to one end of the rear door locking oil cylinder connecting plate (36), and the other end of the rear door locking oil cylinder connecting plate (36) is fixedly clamped on the rotating shaft (32).
3. The self-locking mechanism for the rear door of the dump truck according to claim 1, wherein: the dumper carriage body (1) comprises a rotating shaft support (37) and two second rotating shaft supports (38), wherein the rotating shaft support (37) is sleeved in the middle of the rotating shaft (32) and fixedly supported at the lower part of the carriage bottom plate (11) of the dumper carriage body (1), and the two second rotating shaft supports (38) are respectively sleeved at two ends of the rotating shaft (32) and fixedly supported at the lower part of the carriage bottom plate (11) of the dumper carriage body (1).
4. The self-locking mechanism for the rear door of the dump truck according to claim 1, wherein: the locking mechanism is characterized by further comprising two connecting rod connecting plates (39) and two locking hook fixing supports (310), wherein the two connecting rod connecting plates (39) are respectively arranged at two ends of the rotating shaft (32), one end of each connecting rod connecting plate (39) is clamped on the rotating shaft (32), the other end of each connecting rod connecting plate (39) is hinged to one end of one connecting rod (33) arranged on the same side, and the other end of each connecting rod (33) is correspondingly hinged to one locking hook (34) arranged on the same side; the two locking hook fixing supports (310) are symmetrically arranged on the left side and the right side of the rear edge frame (12) of the dump truck carriage body (1) and fixedly connected with the rear edge frame (12) of the dump truck carriage body (1), and one locking hook (34) is correspondingly hinged on each locking hook fixing support (310).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221845781.0U CN218021881U (en) | 2022-07-18 | 2022-07-18 | Self-locking mechanism for rear door of dump truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221845781.0U CN218021881U (en) | 2022-07-18 | 2022-07-18 | Self-locking mechanism for rear door of dump truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218021881U true CN218021881U (en) | 2022-12-13 |
Family
ID=84385249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221845781.0U Active CN218021881U (en) | 2022-07-18 | 2022-07-18 | Self-locking mechanism for rear door of dump truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218021881U (en) |
-
2022
- 2022-07-18 CN CN202221845781.0U patent/CN218021881U/en active Active
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