CN210233496U - Local side-opening tail cover device for concrete mixing transport vehicle - Google Patents
Local side-opening tail cover device for concrete mixing transport vehicle Download PDFInfo
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- CN210233496U CN210233496U CN201920728231.2U CN201920728231U CN210233496U CN 210233496 U CN210233496 U CN 210233496U CN 201920728231 U CN201920728231 U CN 201920728231U CN 210233496 U CN210233496 U CN 210233496U
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- support
- door
- slewing bearing
- sealing
- concrete mixing
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Abstract
The utility model discloses an open tail-hood device is opened to local side for concrete mixing transport vechicle belongs to the technical field of agitator vehicle rear portion sealing device. Including the frame, the churn, install the slewing bearing in the business turn over material mouthful outside, fixed subassembly and sealing door, fixed subassembly includes first support and second support, the common fixed connection of one end of first support and second support is on sealing component's outer lane, the equal fixed connection of the other end of first support and second support is on the frame, first support and second support are located slewing bearing's both sides respectively, install the drive unit on the first support, the sealing door includes a door and No. two doors, a fixed connection is on slewing bearing's outer lane, the one end and the drive unit rotation of No. two doors are connected, the other end and the second support rotation of No. two doors are connected. The sealing door is designed to be in a vertical separation type, and only the lower part of the sealing door is opened and closed, so that the driving force required by a hydraulic driving system is greatly reduced, and meanwhile, the maintenance and manufacturing cost is also reduced.
Description
Technical Field
The utility model relates to a technical field of mixer truck rear portion sealing device especially relates to a local side open tail-hood device for concrete mixing transport vechicle.
Background
The churn exit of traditional concrete mixing transport vechicle is mostly uncovered formula, and the car often can lead to materials such as concrete to leak and cause the road surface pollution because the road conditions is not good at the in-process of traveling, through improving, the churn exit has had sealing device, but has heavy, the problem that the serious part of wearing and tearing increases.
The tail sealing device of the concrete mixing transport vehicle in the current market generally adopts a slewing bearing, a sealing door and a hydraulic driving mode to realize a sealing function, and the opening and closing mode is generally a sealing door integral translation type or an integral lifting type. The whole translation formula of sealing door or the formula of wholly raising open and shut, the whole weight of tail-hood device is big, the degree of wear of sealing member is high, hydraulic system drive power demand is big and then lead to cost of manufacture and cost of maintenance height.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects in the prior art, so that the local side-opening tail cover device for the concrete mixing transportation vehicle is provided to solve the problems.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a local side open tail cover device for a concrete mixing transportation truck comprises a truck frame and a mixing drum which is arranged on the truck frame and can rotate relative to the truck frame, the tail part of the mixing drum is provided with a feed port and a discharge port, the outer side of the feed port and the discharge port is provided with a slewing bearing, the mixing drum also comprises a fixed component and a sealing door, the fixing component comprises a first bracket and a second bracket, one end of the first bracket and one end of the second bracket are fixedly connected to the outer ring of the sealing component together, the other ends of the first bracket and the second bracket are fixedly connected to the frame, the first bracket and the second bracket are respectively positioned at two sides of the pivoting support, the first bracket is provided with a driving unit, the sealing door comprises a first door and a second door, the first door is fixedly connected to the outer ring of the slewing bearing, one end of the second door is rotatably connected with the driving unit, and the other end of the second door is rotatably connected with the second support.
Furthermore, a fixed seat is fixedly connected to the second support.
Furthermore, a connecting rod is integrally connected to the second door, one end of the connecting rod is hinged to the driving unit, and the other end of the connecting rod is hinged to the fixing seat.
Further, No. two doors are located the bottom of a door, be equipped with the sealing washer on the inner wall of No. two doors, the laminating of sealing washer and slewing bearing's inner circle, the laminating of No. two inner walls of door and slewing bearing's outer lane terminal surface.
Further, drive unit includes driving piece and mount pad, the driving piece is electric hydraulic cylinder or electric putter, drive unit's output and No. two door rotate to be connected, drive unit's base rotates to be connected on the mount pad, mount pad fixed connection is on first support.
Compared with the prior art, the utility model discloses possess following beneficial effect:
1. the utility model discloses a mode that the local side was opened, a door and No. two door separation settings, a fixed connection is on slewing bearing, slewing bearing only bears the quality of a door, the damage problem that brings greatly reduced slewing bearing by sealing door weight takes place, the rotation angle that only needs to pass through No. two doors of drive unit control and then the degree of opening of control to the business turn over material mouth of churn, the friction surface that exists between actual and the slewing bearing only has No. two door than traditional mode greatly reduced, also reduce drive unit's drive power and then can select relatively less driving piece to reduce weight and practice thrift its cost, and then solve cost of maintenance and the high problem of cost of manufacture.
2. The utility model discloses well fixed subassembly first support and second support still provide drive unit's mounting platform and No. two rotatory supporting platform of door when supporting slewing bearing, through drive unit's mount pad and the fixing base of second support, can adjust the distance of No. two door inner walls and sealing washer and slewing bearing inner circle and outer end terminal surface, and then guarantee the leakproofness of No. two doors.
3. The utility model discloses a reduce the weight of No. two doors or reduce its material use amount, a body coupling connecting rod on the back lateral wall of sealing door, the both ends through the connecting rod respectively with the drive unit in the output of driving piece with articulated with the fixing base, realize opening and shutting of No. two doors.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is the working condition diagram of the utility model when opening the second door.
In the figure: 1. a frame; 2. a mixing drum; 3. a slewing bearing; 4. a sealing door; 41. a first door; 42. a second door; 421. a connecting rod; 422. a seal ring; 5. a first bracket; 6. a second bracket; 61. a fixed seat; 7. a drive member; 8. and (7) mounting a seat.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Example 1:
as shown in fig. 1 and fig. 2, a local side open tail cover device for a concrete mixing truck comprises a truck frame 1 and a mixing drum 2 which is installed on the truck frame 1 and can rotate relative to the truck frame 1, the tail part of the mixing drum 2 is provided with a material inlet and a material outlet, the outer side of the material inlet and the material outlet is provided with a slewing bearing 3, the device further comprises a fixing component and a sealing door 4, the fixing component comprises a first bracket 5 and a second bracket 6, one end of the first bracket 5 and one end of the second bracket 6 are fixedly connected to the outer ring of the slewing bearing 3 through bolts, the other ends of the first bracket 5 and the second bracket 6 are welded and fixed on the truck frame 1, the first bracket 5 and the second bracket 6 are respectively positioned at the left side and the right side of the slewing bearing 3, a driving unit for pushing a second door 42 is installed on the first bracket 5, the driving unit comprises a driving piece 7 and an installation base 8, the driving piece 7 is an electric hydraulic, the base of electric hydraulic cylinder is articulated on mount pad 8, and 8 bolted connections of mount pad are on first support 5.
Sealing door 4 includes a door 41 and No. two doors 42, and a door 41 passes through bolt fixed connection on slewing bearing 3's outer lane, is equipped with the feed hopper on a door 41 and passes through with the business turn over material mouth intercommunication of churn 2. No. two doors 42 are located at the bottom of a door 41, a sealing ring 422 is arranged on the inner wall of the door 42, the sealing ring 422 is attached to the inner ring of the slewing bearing 3, the inner wall of the outer side of the sealing ring 422 of the door 42 is attached to the end face of the outer ring of the slewing bearing 3, and the door 42 and the door 41 are sealed through a sealing strip.
The second door 42 is pushed by the driving unit, the second door 42 rotates on the second support 6, and then the second door 42 is opened to realize the unloading of the mixing drum 2 or the second door 42 is closed to enable the sealing ring 422 to be attached to the inner ring of the slewing bearing 3 to realize the sealing of the mixing drum 2. One of the two control doors 42 adopts a local side opening mode, so that the driving force of the driving unit to the sealing door 4 and the weight of the slewing bearing 3 bearing the sealing door 4 are greatly reduced, and the friction surfaces of the sealing door 4 and the material inlet and the material outlet of the mixing drum 2 are also reduced, thereby greatly reducing the maintenance cost and the production cost.
Example 2:
as shown in fig. 1 and 2, unlike embodiment 1: in order to further reduce the friction between the second door 42 and the inner ring of the slewing bearing 3, a fixed seat 61 is connected to the second support 6 through a bolt to adjust the distance between the sealing door 4 and the slewing bearing 3, a connecting rod 421 is integrally connected to the second door 42 for saving the manufacturing material of the second door 42, one end of the connecting rod 421 is hinged to the output end of the electric hydraulic cylinder, and the other end of the connecting rod 421 is hinged to the fixed seat 61.
The utility model discloses a theory of operation: when the mixing and transporting vehicle is in a transporting or feeding working process, the driving part 7 always keeps the recovery state of the output end, and acts on the connecting rod 421 to ensure that the sealing ring 422 on the inner wall of the second door 42 is attached to the inner ring of the slewing bearing 3 and the inner wall of the second door 42 outside the sealing ring 422 is attached to the outer ring end face of the slewing bearing 3, so that the sealing work of the feeding and discharging port of the mixing drum 2 is realized; when the mixing truck reverses to unload, the output end of the driving part 7 extends outwards to cause the connecting rod 421 to rotate around the fixing seat 61, so that the second door 42 is opened, and the extending length of the output end of the driving part 7 controls the opening degree of the second door 42, so that the concrete can be unloaded from the feeding and discharging port of the mixing drum 2.
The above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto. The substitution may be of partial structures, devices, method steps, or may be a complete solution. According to the technical scheme of the utility model and utility model thereof think of and equal replacement or change, all should cover within the scope of protection of the utility model.
Claims (5)
1. The utility model provides a local side open tail-hood device for concrete mixing transport vechicle, includes frame (1) and installs in frame (1) and frame (1) pivoted churn (2) relatively, slewing bearing (3) are installed in the outside that the afterbody of churn (2) was equipped with into discharge gate and into discharge gate, its characterized in that still includes fixed subassembly and sealing door (4), fixed subassembly includes first support (5) and second support (6), the common fixed connection of one end of first support (5) and second support (6) is on slewing bearing's (3) outer lane, the equal fixed connection of the other end of first support (5) and second support (6) is on frame (1), first support (5) and second support (6) are located slewing bearing's (3) both sides respectively, install drive unit on first support (5), sealing door (4) include a door (41) and No. two doors (42), a door (41) fixed connection is on slewing bearing's (3) outer lane, the one end and the drive unit of No. two doors (42) rotate to be connected, the other end and the second support (6) of No. two doors (42) rotate to be connected.
2. The partial side-opening tail cover device for the concrete mixing truck according to claim 1, wherein a fixed seat (61) is fixedly connected to the second bracket (6).
3. The partial side-opening tail cover device for the concrete mixing truck as recited in claim 2, wherein a connecting rod (421) is integrally connected to the second door (42), one end of the connecting rod (421) is hinged to the driving unit, and the other end of the connecting rod (421) is hinged to the fixed seat (61).
4. The local side open tail cover device for the concrete mixing transport vehicle according to claim 1, wherein the second door (42) is located at the bottom of the first door (41), a sealing ring (422) is arranged on the inner wall of the second door (42), the sealing ring (422) is attached to the inner ring of the slewing bearing (3), and the inner wall of the second door (42) is attached to the end face of the outer ring of the slewing bearing (3).
5. The local side-opening tail cover device for the concrete mixing truck according to claim 1, wherein the driving unit comprises a driving part (7) and a mounting seat (8), the driving part (7) is an electric hydraulic cylinder or an electric push rod, an output end of the driving part (7) is rotatably connected with a second door (42), a base of the driving part (7) is rotatably connected on the mounting seat (8), and the mounting seat (8) is fixedly connected on the first bracket (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920728231.2U CN210233496U (en) | 2019-05-21 | 2019-05-21 | Local side-opening tail cover device for concrete mixing transport vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920728231.2U CN210233496U (en) | 2019-05-21 | 2019-05-21 | Local side-opening tail cover device for concrete mixing transport vehicle |
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| Publication Number | Publication Date |
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| CN210233496U true CN210233496U (en) | 2020-04-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920728231.2U Active CN210233496U (en) | 2019-05-21 | 2019-05-21 | Local side-opening tail cover device for concrete mixing transport vehicle |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112297238A (en) * | 2020-10-29 | 2021-02-02 | 芜湖中集瑞江汽车有限公司 | Sealed trucd mixer of gyration |
| CN112571625A (en) * | 2020-12-25 | 2021-03-30 | 安徽星马专用汽车有限公司 | Fully-sealed concrete mixing and transporting vehicle and use method thereof |
-
2019
- 2019-05-21 CN CN201920728231.2U patent/CN210233496U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112297238A (en) * | 2020-10-29 | 2021-02-02 | 芜湖中集瑞江汽车有限公司 | Sealed trucd mixer of gyration |
| CN112571625A (en) * | 2020-12-25 | 2021-03-30 | 安徽星马专用汽车有限公司 | Fully-sealed concrete mixing and transporting vehicle and use method thereof |
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