CN215752128U - Hard top cap safety limiting device - Google Patents
Hard top cap safety limiting device Download PDFInfo
- Publication number
- CN215752128U CN215752128U CN202122072952.2U CN202122072952U CN215752128U CN 215752128 U CN215752128 U CN 215752128U CN 202122072952 U CN202122072952 U CN 202122072952U CN 215752128 U CN215752128 U CN 215752128U
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- Prior art keywords
- rod
- limiting
- carriage
- top cover
- driving
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- 230000003139 buffering effect Effects 0.000 claims abstract description 4
- 230000000694 effects Effects 0.000 description 3
- 239000002893 slag Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
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Abstract
The utility model relates to a safety limiting device for a hard top cover, which comprises a carriage and a top cover, wherein opening and closing devices and limiting devices are arranged on two sides of the carriage, each opening and closing device comprises a driving rod, a driven rod and a driving oil cylinder, the bottom end of each driving rod is rotatably connected with the bottom side of the middle part of one side of the carriage, the upper part of each driving rod is bent downwards, the upper end of each driving rod is rotatably connected with the rear end of the top cover, the driving oil cylinder is arranged on the bottom side of the rear part of the carriage, a stroke rod of each driving oil cylinder is rotatably connected with the lower part of each driving rod, each driven rod is arranged on the left side of each driving rod, the bottom end of each driven rod is rotatably connected with the bottom side of the front end of the carriage, and each driven rod is bent upwards and rotatably connected with the middle part of the top cover; the top of the front side part of the carriage is provided with a stop lever, the limiting device is arranged on the stop lever and comprises a limiting baffle and a buffering device, the limiting baffle is arranged on the right side of the stop lever, and the buffering device is arranged between the limiting baffle and the stop lever; the problem of have the potential safety hazard when the top cap among the prior art is opened is effectively solved.
Description
Technical Field
The utility model relates to the technical field of muck truck carriages, in particular to a hard top cover safety limiting device.
Background
The slag car, also called soil pulling car and slag transporting car, is a truck for transporting building materials such as sand and stone, and in order to avoid the slag car from spilling building garbage during transportation, an iron top cover is arranged at the top of a carriage, has unique advantages, is fast in opening and closing speed, firm and durable, and excellent in sealing performance, but is heavy, so that the existing opening is strict in safety requirement. The existing top cover opening mode is incomplete in limiting, so that potential safety hazards exist when the top cover is opened.
Accordingly, the present invention provides a hard top cover safety restraint to address this problem.
SUMMERY OF THE UTILITY MODEL
Aiming at the situation, in order to overcome the defects of the prior art, the utility model provides a safety limiting device for a hard top cover, which effectively solves the problem of potential safety hazard when the top cover is opened in the prior art.
The utility model relates to a safety limiting device for a hard top cover, which is realized by the following technical scheme and comprises a carriage and a top cover, wherein both sides of the carriage are provided with an opening and closing device and a limiting device, the opening and closing device comprises a driving rod, a driven rod and a driving oil cylinder, the bottom end of the driving rod is rotationally connected with the bottom side of the middle part of one side of the carriage, the upper part of the driving rod is bent downwards, the upper end of the driving rod is rotationally connected with the rear end of the top cover, the driving oil cylinder is arranged at the bottom side of the rear part of the carriage, a stroke rod of the driving oil cylinder is rotationally connected with the lower part of the driving rod, the driven rod is arranged on the left side of the driving rod, the bottom end of the driven rod is rotationally connected with the bottom side of the front end of the carriage, and the driven rod is bent upwards and is rotationally connected with the middle part of the top cover;
the top of the front side part of the carriage is provided with a stop lever, the limiting device is arranged on the stop lever and comprises a limiting baffle and a buffer device, the limiting baffle is arranged on the right side of the stop lever, and the buffer device is arranged between the limiting baffle and the stop lever;
the cross section of the lower frame is the same as that of the middle frame.
In order to further optimize the present invention, the following technical solutions may be preferably selected:
preferably, buffer includes fixed plate, slide bar, spring, fixed plate and pin right side fixed connection, the vertical waist type hole that is provided with on the fixed plate, waist type downthehole wall sets up two bracing pieces relatively, the bracing piece is cylindrical, the slide bar passes waist type hole setting, set up the spout that sets up along slide bar length direction on the relative both sides wall of slide bar, the bracing piece sets up in the spout, the spring sets up on the slide bar right side, the slide bar passes the spring setting, limit baffle sets up and rotates with the slide bar at the slide bar right-hand member and is connected, the slide bar top sets up the elastic component, elastic component one end and fixed plate upper portion fixed connection, the elastic component other end and limit baffle top fixed connection.
Preferably, two sides of the limiting baffle are provided with limiting side plates, and the two limiting side plates are inclined outwards.
Preferably, the waist-shaped holes are provided with a plurality of sliding rods, the waist-shaped holes are respectively provided with a plurality of sliding rods, the sliding rods are arranged in the same horizontal line side by side, and the sliding rods are respectively and rotatably connected with the limit baffle.
Preferably, the top of the support rod is coaxially and fixedly connected with a stop block, the bottom of the sliding groove is provided with a limiting groove, and the stop block is arranged in the limiting groove.
Preferably, the elastic member is a spring.
Preferably, the elastic member is an elastic string.
Preferably, the limiting baffle is fixedly connected with an elastic pad.
Preferably, the bottom of the carriage is provided with a limit valve, and the limit valve is arranged on the left side of the driving rod.
The utility model has the beneficial effects that:
the safety of opening the top cover is ensured by arranging the limiting device, the driving oil cylinder provides power for the swing arm, and basic limiting is provided for the top cover when the stroke of the driving oil cylinder reaches the end; meanwhile, the driven rod contacts the limiting baffle plate to provide mechanical limitation for the driving rod, the top cover is prevented from being supported only by the driving oil cylinder in a suspended state when opened, the safety of the top cover after opening is guaranteed, the limiting valve is further arranged and welded at the lower end of the driving rod, the driving rod swings when the top cover is opened, and when the driving rod pushes the limiting valve, the oil cylinder stops supplying oil, so that the driving rod is limited to be continuously opened, and safety accidents caused by continuous operation after faults of the driving oil cylinder are avoided.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a schematic view of a position limiting device according to the present invention;
FIG. 3 is a schematic cross-sectional view of a spacing device of the present invention;
FIG. 4 is a perspective view of the position limiting device of the present invention;
fig. 5 is an enlarged view of a portion a of fig. 3.
Description of the reference numerals
1. A carriage; 2. a top cover; 3. an opening and closing device; 4. a limiting device; 5. a drive rod; 6. a driven lever; 7. a driving oil cylinder; 8. a stop lever; 9. a fixing plate; 10. a slide bar; 11. a spring; 12. a kidney-shaped hole; 13. a support bar; 14. a chute; 15. an elastic member; 16. a limit baffle; 17. a limiting side plate; 18. a stopper; 19. a limiting groove; 20. an elastic pad; 21. and a limiting valve.
Detailed Description
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
As shown in fig. 1-5, a hard roof safety limiting device comprises a carriage 1 and a roof 2, wherein both sides of the carriage 1 are provided with an opening and closing device 3 and a limiting device 4, the opening and closing device 3 comprises a driving rod 5, a driven rod 6 and a driving oil cylinder 7, the bottom end of the driving rod 5 is rotatably connected with the bottom side of the middle part of one side of the carriage 1, the upper part of the driving rod 5 is bent downwards and the upper end is rotatably connected with the rear end of the roof 2, the driving oil cylinder 7 is arranged at the bottom side of the rear part of the carriage 1, the stroke rod of the driving oil cylinder 7 is rotatably connected with the lower part of the driving rod 5, the driven rod 6 is arranged at the left side of the driving rod 5, the bottom end of the driven rod 6 is rotatably connected with the bottom side of the front end of the carriage 1, the driven rod 6 is bent upwards and rotatably connected with the middle part of the roof 2, when the hard roof is opened, the driving oil cylinder 7 acts to push the stroke rod to extend, the stroke rod pushes the lower part of the driving rod 5 to rotate towards the left side, namely to rotate along the anticlockwise direction, the driven rod 6 is driven to open the top cover 2 towards the front direction of the carriage, when the top cover is closed, the driving oil cylinder 7 acts to pull the stroke rod piece of the driving oil cylinder 7 to retract, the stroke rod piece pushes the lower part of the driving rod 5 to rotate, the driving rod 5 rotates rightwards, and the driven rod 6 is driven to close the top cover 2 towards the rear direction of the carriage 1;
the top of the front side part of the carriage 1 is provided with a stop lever 8, the limiting device 4 is arranged on the stop lever 8 and is used for limiting and supporting after the top cover is opened, the limiting device 4 comprises a limiting baffle 16 and a buffer device, the limiting baffle 16 is arranged at the right side of the stop lever 8, the driven lever rotates and then directly presses the limiting baffle 16 and stops rotating, the buffer device is arranged between the limiting baffle 16 and the stop lever 8, is used for buffering the power generated by the rotation of the driven rod 6, reducing the rigid collision degree between the driven rod 6 and the limit baffle 16, in order to avoid the damage of the paint film on the surface of the driven rod 6 caused by the rigid contact between the driven rod 6 and the limit baffle 16, an elastic pad 20 is fixedly connected to the limit baffle 16, the elastic pad can be made of rubber materials, in order to limit the driven rod 6 from shaking after being fixed, two sides of the limit baffle 16 are provided with limit side plates 17, and the two limit side plates 17 are arranged in an outward inclined mode.
The concrete mechanism of the buffer device comprises a fixed plate 9, a sliding rod 10 and a spring 11, wherein the fixed plate 9 is fixedly connected with the right side of a stop lever 8, a waist-shaped hole 12 is vertically arranged on the fixed plate 9, two supporting rods 13 are oppositely arranged on the inner side wall of the waist-shaped hole 12, the supporting rods 13 are cylindrical, and the purpose of the circular shape is that when a limit baffle 16 is pushed by a driven rod 6 to move to the left side, the sliding rod 10 can rotate along the supporting rods 13 due to the change of the stress direction and can slide to the right at the same time, and the cylindrical supporting rods 13 can enable the sliding rod 10 to move more smoothly; slide bar 10 passes waist type hole 12 and sets up, set up the spout 14 that sets up along slide bar 10 length direction on the relative both sides wall of slide bar 10, bracing piece 13 sets up in spout 14, spring 11 sets up on slide bar 10 right side, slide bar 10 passes spring 11 and sets up, limit baffle 16 sets up and rotates with slide bar 10 at the slide bar 10 right-hand member and is connected, the effect makes limit baffle 16 rotate under the effect that driven lever 6 promoted, the stability of supporting driven lever 6 is improved, slide bar 10 top sets up elastic component 15, 15 one end of elastic component and fixed plate 9 upper portion fixed connection, the elastic component 15 other end and 16 top fixed connection of limit baffle, the effect plays and makes buffer be in horizontally operating condition, can be soft connecting piece such as spring or elastic cord.
In order to ensure the buffer stability, a plurality of kidney-shaped holes 12 are arranged, slide bars 10 are respectively arranged in the kidney-shaped holes 12, the slide bars 10 are arranged side by side in the same horizontal line, and the slide bars 10 are respectively and rotatably connected with a limit baffle 16.
The top of the support rod 13 is coaxially and fixedly connected with a stop block 18, the bottom of the sliding groove 14 is provided with a limit groove 19, and the stop block 18 is arranged in the limit groove 19 and has the function of preventing the sliding rod 10 from being separated from the fixing plate 9 in the movement process.
The bottom of the carriage 1 is provided with a limit valve 21, the limit valve 21 is arranged on the left side of the driving rod 5, the driving rod swings when the top cover is opened, and when the driving rod pushes against the limit valve, the oil cylinder stops supplying oil, so that the top cover is limited to be continuously opened.
When the swing arm is used, the safety of opening the top cover is guaranteed by arranging the limiting device, the driving oil cylinder provides power for the swing arm, and basic limiting is provided for the top cover when the stroke of the driving oil cylinder reaches the end; meanwhile, the driven rod contacts the limiting baffle plate to provide mechanical limitation for the driving rod, the top cover is prevented from being supported only by the driving oil cylinder in a suspended state when opened, the safety of the top cover after opening is guaranteed, the limiting valve is further arranged and welded at the lower end of the driving rod, the driving rod swings when the top cover is opened, and when the driving rod pushes the limiting valve, the oil cylinder stops supplying oil, so that the driving rod is limited to be continuously opened, and safety accidents caused by continuous operation after faults of the driving oil cylinder are avoided.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.
Claims (9)
1. A safety limiting device for a hard top cover comprises a carriage (1) and a top cover (2), it is characterized in that both sides of the carriage (1) are provided with an opening and closing device (3) and a limiting device (4), the opening and closing device (3) comprises a driving rod (5), a driven rod (6) and a driving oil cylinder (7), the bottom end of the driving rod (5) is rotatably connected with the bottom side of the middle part at one side of the carriage (1), the upper part of the driving rod (5) is bent downwards, the upper end is rotationally connected with the rear end of the top cover (2), the driving oil cylinder (7) is arranged at the bottom side of the rear part of the carriage (1), a stroke rod of the driving oil cylinder (7) is rotationally connected with the lower part of the driving rod (5), the driven rod (6) is arranged on the left side of the driving rod (5), the bottom end of the driven rod (6) is rotationally connected with the bottom side of the front end of the carriage (1), the driven rod (6) is bent upwards and is rotatably connected with the middle part of the top cover (2);
carriage (1) front side portion top is provided with pin (8), stop device (4) set up on pin (8), stop device (4) include limit baffle (16) and buffer, limit baffle (16) set up on pin (8) right side, buffer sets up between limit baffle (16) and pin (8).
2. The safety limiting device for the hard top cover according to claim 1, wherein the buffering device comprises a fixing plate (9), a sliding rod (10) and a spring (11), the fixing plate (9) is fixedly connected with the right side of the stop lever (8), a waist-shaped hole (12) is vertically arranged on the fixing plate (9), two supporting rods (13) are oppositely arranged on the inner side wall of the waist-shaped hole (12), the supporting rods (13) are cylindrical, the sliding rod (10) penetrates through the waist-shaped hole (12), sliding grooves (14) arranged along the length direction of the sliding rod (10) are arranged on the two opposite side walls of the sliding rod (10), the supporting rods (13) are arranged in the sliding grooves (14), the spring (11) is arranged on the right side of the sliding rod (10), the sliding rod (10) penetrates through the spring (11), and a limiting baffle (16) is arranged at the right end of the sliding rod (10) and is rotatably connected with the sliding rod (10), an elastic piece (15) is arranged above the sliding rod (10), one end of the elastic piece (15) is fixedly connected with the upper part of the fixing plate (9), and the other end of the elastic piece (15) is fixedly connected with the upper part of the limiting baffle (16).
3. A hard roof safety limiting device according to claim 1 or 2, characterized in that limiting side plates (17) are arranged on two sides of the limiting baffle (16), and the two limiting side plates (17) are arranged obliquely outwards.
4. The safety limiting device for the hard top cover according to claim 2, wherein a plurality of the kidney-shaped holes (12) are provided, a plurality of the kidney-shaped holes (12) are respectively provided with a sliding rod (10), a plurality of the sliding rods (10) are arranged side by side in the same horizontal line, and a plurality of the sliding rods (10) are respectively and rotatably connected with a limiting baffle (16).
5. A hard roof safety limiting device according to claim 2, characterized in that a stop (18) is coaxially and fixedly connected to the top of the supporting rod (13), a limiting groove (19) is formed at the bottom of the sliding groove (14), and the stop (18) is arranged in the limiting groove (19).
6. A hard top cap safety stop according to claim 2 wherein the resilient member (15) is a spring (11).
7. A hard top cap safety stop according to claim 2 wherein the elastic member (15) is an elastic cord.
8. A hard top cap safety stop according to claim 3 wherein an elastomeric pad (20) is fixedly attached to the stop baffle (16).
9. A hard roof cover safety limiting device according to claim 1, characterized in that the bottom of the carriage (1) is provided with a limiting valve (21), and the limiting valve (21) is arranged at the left side of the driving rod (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122072952.2U CN215752128U (en) | 2021-08-30 | 2021-08-30 | Hard top cap safety limiting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122072952.2U CN215752128U (en) | 2021-08-30 | 2021-08-30 | Hard top cap safety limiting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215752128U true CN215752128U (en) | 2022-02-08 |
Family
ID=80082047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122072952.2U Active CN215752128U (en) | 2021-08-30 | 2021-08-30 | Hard top cap safety limiting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215752128U (en) |
-
2021
- 2021-08-30 CN CN202122072952.2U patent/CN215752128U/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 | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A hardtop top cover safety limit device Effective date of registration: 20231117 Granted publication date: 20220208 Pledgee: Zhongyuan Bank Co.,Ltd. Zhumadian Branch Pledgor: ZHUMADIAN GUANGDA HONGYUAN VEHICLES Co.,Ltd. Registration number: Y2023980065883 |