CN208668236U - A kind of milling machine position limitation protection tail-gate device - Google Patents
A kind of milling machine position limitation protection tail-gate device Download PDFInfo
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- CN208668236U CN208668236U CN201821347197.6U CN201821347197U CN208668236U CN 208668236 U CN208668236 U CN 208668236U CN 201821347197 U CN201821347197 U CN 201821347197U CN 208668236 U CN208668236 U CN 208668236U
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- tail
- gate
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- door body
- milling
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Abstract
A kind of milling machine position limitation protection tail-gate device, it is related to milling machine position limitation protection technical field, including tail-gate door body, tail-gate oil cylinder, tail-gate limited block, lower bound bit switch, high limit switch, tail-gate limited block is fixed on a side of tail-gate door body exterior bottom, lower bound bit switch is fixed on the frame downward of milling machine, high limit switch is fixed on milling locomotive frame at the top position of lower bound bit switch, tail-gate limited block is contacted when tail-gate door body drops to lowermost end with lower bound bit switch, tail-gate limited block rises to the contact of top Shi Yugao limit switch in tail-gate door body, the lower bound bit switch, high limit switch is electrically connected with the controller of milling machine respectively, this device can ensure that milling machine can not carry out back operation under milling working condition by setting, so as to avoid the damage to milling hub cutter head, it can also prevent under inspecting state Only milling machine generates the operation that moves forward and backward, and avoids the injury to equipment and surrounding maintenance personnel.
Description
Technical field:
The utility model relates to milling machine tail-gate position limitation protection technical field more particularly to a kind of milling machine position limitation protection tails
Door gear.
Background technique:
Milling machine is the key equipment of maintenance of surface job execution, is mainly used for asphalt concrete pavement, cement concrete
Milling and plane operation when road surface is repaired, that road surface is removed by the cutter head on milling hub gathers around packet, oil wave, reticulate pattern and track etc..Make
The old laying damaged with milling machine milling, re-laying new road surface is a kind of relatively inexpensive maintenance of surface method.Tail-gate is to be located at
A kind of mechanical structure at milling machine milling hub rear, in milling machine work, milling machine tail-gate and left side plate, front apron, milling
Housing and work road surface surround closed milling cell structure above plane hub, by the lifting action of tail-gate oil cylinder, realize that tail-gate exists
It is moved up and down in the tail-gate sliding slot of milling machine.Tail-gate is in quick condition, applies certain effect power by tail-gate oil cylinder, makes tail-gate
Press road surface, milling material is thrown from the outlet of milling room to belt feeding device, and dumper is then sent to, and realizes milling machine to milling
The recycling of material.
During milling wheel rotary milling drum, vehicle can only advance milling machine forward, so as to milling hub cutter head milling road
Face can damage milling hub cutter head if milling machine is fallen back backward, and in practical work process, often it will appear due to department
Machine carelessness, carries out the process of back operation, at this moment, milling hub cutter head will generate damage.
It, not only can be to the portion of milling machine if milling machine generates the movement moved forward or back when milling machine is overhauled
Part damages, and can also damage to the maintenance personnel of surrounding, generates security risk.
The damage of milling machine milling hub cutter head can effectively be avoided, avoid inspecting state because of milling by lacking one kind in the prior art
Machine generates traveling movement to personnel and the hurtful device of equipment.
Summary of the invention:
In order to solve the above-mentioned technical problem, the utility model provides a kind of milling machine position limitation protection tail-gate device, can
Prevent milling hub cutter head when milling car body retreat due to generates damage and be avoided that milling machine generated under inspecting state advance or
The movement of retrogressing.
The utility model is realized by following technical proposals:
A kind of milling machine position limitation protection tail-gate device, characterized in that including tail-gate door body, preset quantity tail-gate oil cylinder,
Tail-gate limited block, lower bound bit switch, high limit switch, the tail-gate limited block are fixed on the side of tail-gate door body exterior bottom
End, the lower bound bit switch are fixed on the frame downward of milling machine, and high limit switch is fixed on lower bound position on milling locomotive frame and opens
At the top position of pass, the tail-gate limited block is contacted when tail-gate door body drops to lowermost end with lower bound bit switch, tail-gate limit
Position block tail-gate door body rise to top Shi Yugao limit switch contact, the lower bound bit switch, high limit switch respectively with milling
The controller of planer is electrically connected.
In the other side of the utility model, the controller is electric with the advance solenoid valve of milling machine and retrogressing respectively
Magnet valve electrical connection.
In the other side of the utility model, the both ends of milling machine frame downward are respectively equipped with tail-gate sliding slot, described
The both ends of tail-gate door body are respectively slidably connected in 2 tail-gate sliding slots.
In the other side of the utility model, the tail-gate oil cylinder is vertically arranged, the piston rod and tail of tail-gate oil cylinder
Door door body is connected and fixed, and the cylinder barrel of tail-gate oil cylinder is fixed on the milling locomotive frame above tail-gate door body.
In the other side of the utility model, the tail-gate limited block shape is long plate shape, the upper end of the long slab
Portion and lower end section are semicircle, and tail-gate limited block is vertically arranged, and are weldingly fixed on the bottom on the outside of tail-gate door body by connecting plate
Portion.
The beneficial effects of the utility model are: can be ensured using this milling machine position limitation protection tail-gate device by setting
Milling machine can not carry out back operation under milling working condition, so as to avoid the damage to milling hub cutter head, moreover it is possible to examine
Repairing prevents milling machine from generating the operation that moves forward and backward under state, avoid the injury to equipment and surrounding maintenance personnel, improve
Safety coefficient.
Detailed description of the invention:
Fig. 1 is that the utility model tail-gate door body is in lowermost end state flowering structure schematic diagram.
Fig. 2 is that the utility model tail-gate door body is in top state flowering structure schematic diagram.
Fig. 3 is the utility model circuit connection diagram.
In attached drawing: 1, tail-gate door body, 2, tail-gate oil cylinder, 3, tail-gate limited block, 4, lower bound bit switch, 5, high limit switch,
6, controller, 7, advance solenoid valve, 8, retrogressing solenoid valve, 9, vehicle frame, 10, insurance, 11, battery.
Specific embodiment:
The embodiments of the present invention is described further with reference to the accompanying drawings and embodiments:
In the description to the utility model, it is to be understood that indicating position or positional relationship are described as based on attached
Orientation or positional relationship shown in figure, is merely for convenience of describing the present invention and simplifying the description, rather than indication or suggestion
Signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to this
The limitation of utility model protection range.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is set
Set ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
A kind of milling machine position limitation protection tail-gate device, including it is 1,2 tail-gate oil cylinder 2 of tail-gate door body, tail-gate limited block 3, low
Limit switch 4, high limit switch 5, the tail-gate limited block 3 are fixed on a side of 1 exterior bottom of tail-gate door body, the lower bound
Bit switch 4 is bolted on the frame downward of milling machine, and high limit switch 5 is bolted on low on milling locomotive frame
At the top position of limit switch 4, the tail-gate limited block 3 is connect when tail-gate door body 1 drops to lowermost end with lower bound bit switch 4
Touching, tail-gate limited block 3 rise to top Shi Yugao limit switch 5 in tail-gate door body 1 and contact, the lower bound bit switch 4, high limit
Switch 5 is electrically connected with the controller of milling machine 6 respectively.The controller 6 is electric with the advance solenoid valve 7 of milling machine and retrogressing respectively
Magnet valve 8 is electrically connected.The both ends of milling machine frame downward are respectively equipped with tail-gate sliding slot, and the both ends of the tail-gate door body 1 can be slided respectively
It is connected in 2 tail-gate sliding slots dynamicly, tail-gate sliding slot is welded by steel plate assembly.The tail-gate oil cylinder 2 is vertically arranged, tail-gate
The piston-rod end of oil cylinder 2 is fixed on the outside of tail-gate door body 1 by pin shaft, and the cylinder barrel tail end of tail-gate oil cylinder 2 is solid by pin shaft
It is scheduled on the milling locomotive frame of 1 top of tail-gate door body.3 shape of tail-gate limited block is long plate shape, the upper end of the long slab
It is semicircle with lower end section, tail-gate limited block 3 is vertically arranged, and the bottom in 1 outside of tail-gate door body is weldingly fixed on by connecting plate
Portion.Tail-gate limited block 3 is set as long plate shape, can make tail-gate limited block 3 when tail-gate door body 1 presses road surface in certain floating model
Interior holding and the contact of lower bound bit switch 4 are enclosed, the upper and lower end of long slab, which is set as semicircle, can facilitate tail-gate limited block 3
Smoothly pass through lower bound bit switch 4, avoids the end construction for breaking lower bound bit switch 4.
The control for the model TL-Sl064-PLUS that controller 6 is produced using Jiangyin communications and liaison electrohydraulic control technology Co., Ltd
Device processed, lower bound bit switch 4 and high limit switch 5 are all made of the limit switch of Shi Maisai Z4V7H335-11Z- RVA type.
Controller 6 is configured, when milling machine carries out milling work, tail-gate oil cylinder 2 is acted on to 1 application of tail-gate door body
Power makes tail-gate door body 1 press road surface, at this point, the tail-gate limited block 3 in tail-gate door body 1 contacts lower bound bit switch 4, limit switch 4
Collision alarm is passed into controller 6, controller 6 controls milling machine after receiving the collision alarm that the transmitting of limit switch 4 comes
Solenoid valve is retreated, remains turned-off retrogressing solenoid valve, so that milling machine can not carry out back operation；It works without milling
When, tail-gate oil cylinder 2 controls tail-gate door body 1 and is promoted, and after tail-gate limited block 3 completely disengages lower bound bit switch 4, controller 6 stops
Limitation to solenoid valve is retreated, at this moment, milling machine can be normally carried out the operation to move forward and backward；When being overhauled,
Tail-gate door body 1 is promoted to highest stroke by tail-gate oil cylinder 2, at this point, tail-gate limited block 3 touches high limit switch 5, high limit switch
Collision alarm is passed to controller 6 by 5, and controller 6 controls milling machine after receiving the collision alarm that the transmitting of limit switch 5 comes
Advance solenoid valve and solenoid valve is retreated, make advance solenoid valve and retreat solenoid valve to remain turned-off, so that milling machine can not be into
The capable operation that moves forward and backward.
This milling machine position limitation protection tail-gate device can make milling machine that can not carry out back operation when carrying out milling work,
It avoids driver and falls back milling machine because of maloperation, to protect milling hub cutter head, avoid milling hub cutter head because car body falls
It moves back and is damaged.This milling machine position limitation protection tail-gate device also make milling machine can not be carried out when being overhauled advance and
Back operation, to produce protective effect to equipment and surrounding maintenance personnel.
In short, the above is only the preferred embodiment of the present invention, it is all according to present utility model application the scope of the patents institute
The equivalent changes and modifications of work should all belong to the covering scope of the utility model patent.
Claims (5)
1. a kind of milling machine position limitation protection tail-gate device, characterized in that the tail-gate oil cylinder including tail-gate door body (1), preset quantity
(2), tail-gate limited block (3), lower bound bit switch (4), high limit switch (5), the tail-gate limited block (3) are fixed on tail-gate door body
(1) side of exterior bottom, the lower bound bit switch (4) are fixed on the frame downward of milling machine, and high limit switch (5) is fixed
On milling locomotive frame at the top position of lower bound bit switch (4), the tail-gate limited block (3) drops in tail-gate door body (1)
It is contacted when lowermost end with lower bound bit switch (4), tail-gate limited block (3) is opened when tail-gate door body (1) rises to top with height limit
(5) contact is closed, the lower bound bit switch (4), high limit switch (5) are electrically connected with the controller of milling machine (6) respectively.
2. a kind of milling machine position limitation protection tail-gate device according to claim 1, which is characterized in that the controller (6)
It is electrically connected respectively with the advance solenoid valve (7) of milling machine and retrogressing solenoid valve (8).
3. a kind of milling machine position limitation protection tail-gate device according to claim 1, which is characterized in that milling machine frame downward
Both ends be respectively equipped with tail-gate sliding slot, the both ends of the tail-gate door body (1) are respectively slidably connected in 2 tail-gate sliding slots.
4. a kind of milling machine position limitation protection tail-gate device according to claim 1, which is characterized in that the tail-gate oil cylinder
(2) it is vertically arranged, piston rod and the tail-gate door body (1) of tail-gate oil cylinder (2) are connected and fixed, and the cylinder barrel of tail-gate oil cylinder (2) is fixed on
On milling locomotive frame above tail-gate door body (1).
5. a kind of milling machine position limitation protection tail-gate device according to any one of claims 1 to 4, which is characterized in that described
Tail-gate limited block (3) shape is long plate shape, and the upper and lower end section of the long slab is semicircle, and tail-gate limited block (3) is perpendicular
Straight setting, is weldingly fixed on the bottom on the outside of tail-gate door body (1) by connecting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821347197.6U CN208668236U (en) | 2018-08-21 | 2018-08-21 | A kind of milling machine position limitation protection tail-gate device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821347197.6U CN208668236U (en) | 2018-08-21 | 2018-08-21 | A kind of milling machine position limitation protection tail-gate device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208668236U true CN208668236U (en) | 2019-03-29 |
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ID=65839014
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821347197.6U Active CN208668236U (en) | 2018-08-21 | 2018-08-21 | A kind of milling machine position limitation protection tail-gate device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114150561A (en) * | 2021-12-15 | 2022-03-08 | 山推工程机械股份有限公司 | Milling machine tool changing control method and milling machine |
-
2018
- 2018-08-21 CN CN201821347197.6U patent/CN208668236U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114150561A (en) * | 2021-12-15 | 2022-03-08 | 山推工程机械股份有限公司 | Milling machine tool changing control method and milling machine |
| CN114150561B (en) * | 2021-12-15 | 2023-11-24 | 山推工程机械股份有限公司 | Milling machine tool changing control method and milling machine |
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