CN220394213U - Lifting device for discharging door of material vehicle for paver - Google Patents
Lifting device for discharging door of material vehicle for paver Download PDFInfo
- Publication number
- CN220394213U CN220394213U CN202321867068.0U CN202321867068U CN220394213U CN 220394213 U CN220394213 U CN 220394213U CN 202321867068 U CN202321867068 U CN 202321867068U CN 220394213 U CN220394213 U CN 220394213U
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- CN
- China
- Prior art keywords
- paver
- bending part
- door
- lifting device
- lifting
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000000463 material Substances 0.000 title claims abstract description 44
- 238000007599 discharging Methods 0.000 title claims abstract description 21
- 238000005452 bending Methods 0.000 claims abstract description 40
- 238000000034 method Methods 0.000 abstract description 7
- 239000010426 asphalt Substances 0.000 description 6
- 230000005484 gravity Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000009969 flowable effect Effects 0.000 description 1
- 239000012770 industrial material Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Landscapes
- Road Paving Machines (AREA)
Abstract
The utility model discloses a lifting device of a discharging door of a material vehicle for a paver, which comprises a lifting rod movably connected to a frame at the bottom of a hopper of the paver and a driving device for driving the lifting rod to move up and down, wherein the lifting rod comprises a first bending part for abutting against the discharging door and a second bending part connected with the driving device, and an arc bending part matched with an opening on a material conveying protection device of the paver is arranged at the joint of the first bending part and the second bending part. The utility model is directly arranged at the bottom of the paver, can effectively jack up the unloading door of the material vehicle while not affecting the whole appearance and common operation of the paver, improves the unloading speed and the material conveying efficiency, ensures that the arc-shaped bending part of the lifting device can keep a small gap with an opening on the material conveying protection in the working process, and can effectively prevent the material from leaking down.
Description
Technical Field
The utility model relates to a paver, in particular to a lifting device for a discharging door of a material vehicle of the paver.
Background
In the construction process of the paver, the skip is required to intermittently discharge to the hopper of the paver, the opening angle of the skip discharge door is limited only by the gravity action of asphalt materials, and the skip is often lower than the height of a material conveying opening of the paver, so that the material conveying efficiency is extremely low. At present, two solutions exist for increasing the opening angle of the discharging door of the skip car: a discharge door opening device is added on a skip car, for example, a stirrer discharge door control device and a control method thereof disclosed in the utility model patent with the Chinese patent publication number of CN102198697A are provided, a rotating shaft and a rotating arm for assisting in opening the discharge door are arranged at the bottom of the discharge door, but in the method, a large amount of thick, flowable and easily-condensed industrial materials such as asphalt materials are required to be placed in the skip car for a long time, so that the joint of the rotating shaft and the rotating arm or the top of the rotating arm is easily blocked, and the lifting is not smooth; another is to add auxiliary device to prop up the discharge door, for example, the utility model patent of Chinese patent publication No. CN111301253A discloses a device and method for auxiliary opening the material door of a dump truck, a limit device is added on the dump truck bin door 2-3, in the process that the dump truck is poured into the station of a paver, the bin door is opened along with the increase of the inclination angle of the dump truck bin by the limit device, the positioning accuracy of the limit device is difficult to control, and the operation effect cannot be ensured.
Disclosure of Invention
The utility model aims to: the utility model aims to provide a lifting device of a material vehicle unloading door of a paver, which is arranged at the bottom of the paver, and the paver using the lifting device, so as to solve the technical problems.
The technical scheme is as follows: the utility model provides a lifting device of a discharging door of a material vehicle for a paver, which comprises a lifting rod movably connected to a frame at the bottom of a hopper of the paver and a driving device for driving the lifting rod to move up and down, wherein the lifting rod comprises a first bending part for abutting against the discharging door and a second bending part connected with the driving device, and an arc bending part matched with an opening on a material conveying protection device of the paver is arranged at the joint of the first bending part and the second bending part.
Further, the contact part of the first bending part and the discharging door is a smooth arc-shaped bulge, so that the friction force generated by relative sliding of the first bending part and the discharging door is effectively reduced.
Further, the driving device comprises an oil cylinder and a push rod, and one end of the push rod is rotationally connected with the second bending part.
Further, the device also comprises a first bracket fixedly arranged on the bottom frame of the material conveying protection device, and the second bending part is rotationally connected with the first bracket.
Further, the second bending part is hinged with the first bracket through a pin shaft.
Further, the paver further comprises a second support fixedly arranged on the paver frame, and the second support is connected with the oil cylinder.
Further, the second support is hinged with the oil cylinder through a pin shaft.
Furthermore, the edges of the lifting rod and the material contact part are chamfered, so that the working resistance can be effectively reduced.
Further, the first bending part, the second bending part and the arc bending part of the lifting rod are integrally formed.
The utility model provides a paver, which uses a lifting device of a discharging door of a material vehicle for the paver.
The beneficial effects are that: compared with the prior art, the utility model has the following advantages:
(1) The lifting device of the unloading door of the material vehicle for the paver is directly arranged at the bottom of the paver, so that the unloading door of the material vehicle can be effectively jacked up while the whole appearance and the common operation of the paver are not influenced, and the unloading speed and the material conveying efficiency are improved;
(2) The arc-shaped bending part of the lifting device of the discharging door of the material vehicle for the paver can keep a small gap with the opening on the material conveying protection in the working process, and can effectively prevent the material from leaking down;
(3) The lifting device of the unloading door of the material vehicle for the paver has the advantages of simple structure, simple and convenient operation and low installation and transformation cost of the paver.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of a knock rod according to the present utility model;
FIG. 3 is a schematic view of the flow of material when the discharge door of the skip is not lifted in the inactive state of the present utility model;
FIG. 4 is a schematic view of the flow of material when the discharge door is lifted in the working state of the utility model;
fig. 5 is a bottom view of the present utility model.
Detailed Description
The technical scheme of the utility model is further described below with reference to the accompanying drawings.
The utility model provides a lifting device of a discharging door of a material vehicle for a paver, which is shown in figures 1-2, and comprises a lifting rod 1 movably connected to a frame at the bottom of a hopper of the paver and a driving device 2 for driving the lifting rod 1 to move up and down. The lifting rod 1 comprises a first bending part 101 for abutting against the unloading door 5 and a second bending part 102 connected with the driving device 2, the contact part of the first bending part 101 and the unloading door 5 is a smooth arc-shaped bulge 1011, an arc-shaped bending part 103 matched with an opening on the paver material conveying protection device 6 is arranged at the joint of the first bending part 101 and the second bending part 102, and the first bending part 101, the second bending part 102 and the arc-shaped bending part 103 of the lifting rod 1 are integrally formed. The driving device 2 comprises an oil cylinder 201 and a push rod 202, wherein the oil cylinder 201 comprises a hydraulic pipeline and a valve block which are attached to the oil cylinder, and one end of the push rod 202 is rotatably connected with the second bending part 102. The first bracket 3 is fixedly arranged on the bottom frame of the material conveying protection device 6 through bolts, and the second bending part 102 is hinged with the first bracket 3 through a pin shaft. The paver frame is fixedly provided with a second support 4 through bolts, and the second support 4 is hinged with the oil cylinder 201 through a pin shaft. Chamfering is adopted at the edges of the contact parts of the lifting rod 1 and the material.
When the skip with asphalt is discharged, the initial state is as shown in figure 3, the opening angle of the skip discharging door is limited by the gravity action of the asphalt, the skip discharging door 5 is not completely opened, and the feeding is not smooth. At this time, the control valve is opened to enable the oil cylinder 201 to have no rod cavity for oil feeding, the push rod 202 stretches, the push rod 202 drives the lifting rod 1 to rotate around the first bracket 3, the first bending 101 of the lifting rod 1 props against the discharging door 7 to lift towards the rear upper part of the paver, the bottom surface of the discharging door 5 of the skip is higher than the height line 7 of the material conveying channel, asphalt smoothly enters the material conveying channel, meanwhile, the arc-shaped bending part 103 plugs the opening on the material conveying protection device 6 of the paver to prevent asphalt from flowing in, when the skip is discharged, as shown in fig. 4, the material in the hopper is reduced, at this time, the oil cylinder 3 contracts, the lifting rod 1 returns to the original position, and one operation is completed.
Claims (10)
1. The utility model provides a paver is with unloading door lifting device of material car, its characterized in that includes swing joint in lifting rod (1) of paver bottom frame and is used for driving lifting rod (1) up-and-down motion's drive arrangement (2), lifting rod (1) including be used for butt unloading door (5) first kink (101) and second kink (102) that are connected with drive arrangement (2), first kink (101) and second kink (102) junction be equipped with paver defeated material protection device (6) on opening matched with arc kink (103).
2. A lifting device for a discharge door of a paver according to claim 1, characterized in that the contact part of the first bending part (101) and the discharge door (5) is a smooth arc-shaped bulge (1011).
3. The lifting device of the unloading door of the material vehicle for the paver according to claim 1, wherein the driving device (2) comprises an oil cylinder (201) and a push rod (202), and one end of the push rod (202) is rotatably connected with the second bending part (102).
4. The lifting device of a discharging door of a material vehicle for a paver according to claim 1, further comprising a first bracket (3) fixedly installed on a bottom frame of the material conveying protection device (6), wherein the second bending part (102) is rotatably connected with the first bracket (3).
5. The lifting device of a discharging door of a paver according to claim 4, wherein the second bending part (102) is hinged with the first bracket (3) through a pin shaft.
6. A lifting device for a discharge door of a paver according to claim 3, characterized by further comprising a second support (4) fixedly mounted to the frame of the paver, said second support being connected to the cylinder (201).
7. The lifting device of a discharging door of a paver, as claimed in claim 6, wherein said second support is hinged with the cylinder (201) by means of a pin.
8. The lifting device of the unloading door of the material vehicle for the paver according to claim 1, wherein the edges of the lifting rod (1) and the material contact part are chamfered.
9. The lifting device of a discharging door of a paver according to claim 1, wherein the first bending part (101), the second bending part (102) and the arc-shaped bending part (103) of the lifting rod (1) are integrally formed.
10. A paver characterized in that a paver truck discharge door lifting device as claimed in any one of claims 1-6 is used.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321867068.0U CN220394213U (en) | 2023-07-17 | 2023-07-17 | Lifting device for discharging door of material vehicle for paver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321867068.0U CN220394213U (en) | 2023-07-17 | 2023-07-17 | Lifting device for discharging door of material vehicle for paver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220394213U true CN220394213U (en) | 2024-01-26 |
Family
ID=89598496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321867068.0U Active CN220394213U (en) | 2023-07-17 | 2023-07-17 | Lifting device for discharging door of material vehicle for paver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220394213U (en) |
-
2023
- 2023-07-17 CN CN202321867068.0U patent/CN220394213U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |