CN207273578U - Concrete mixer upper limit safety guard - Google Patents
Concrete mixer upper limit safety guard Download PDFInfo
- Publication number
- CN207273578U CN207273578U CN201720990686.2U CN201720990686U CN207273578U CN 207273578 U CN207273578 U CN 207273578U CN 201720990686 U CN201720990686 U CN 201720990686U CN 207273578 U CN207273578 U CN 207273578U
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- CN
- China
- Prior art keywords
- mixer
- sliding block
- travel switch
- hopper
- upper limit
- Prior art date
- 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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Abstract
It the utility model is related to machinery field, more particularly to concrete mixer upper limit safety guard.The steel wire rope includes sliding block slinging on the right side of pulley, travel switch three is also included on upper beam, sliding block encounters travel switch three during being moved upward if, can allow hoist engine stop motion.Beneficial effect：In order to fundamentally change and prevent mixer hopper from rushing to summit, increase travel switch three in mixer control loop, pass through seizing wire and sliding block flexibly jointed chain.When elevating hopper is climbed to top discharge position, the striker arm plate on hopper top promotes the sliding block movement on main rope, and control travel switch three acts, and feeding hopper is accurately parked on discharge position.Since the action of travel switch three is flexibly jointed chain control, damage failure may substantially reduce.
Description
Technical field
It the utility model is related to machinery field, more particularly to concrete mixer upper limit safety guard.
Background technology
Mixer charging is generally made of feeding track frame, hopper and lifting hoisting mechanism etc..Hoist engine is lifted by braking
Motor, retarder and steel wire rope roll composition.Braking motor drives cable drum to rotate, and steel wire rope passes through the cunning of upper rail top of the trellis
Wheel traction hopper is climb liters along feeding mounted track, and when climbing to certain altitude, a pair of of roller in feed hopper bottom is into upper
Expect the horizontal turnout of track frame, sluice gate automatically opens up, and mixes and stirs material by loading hopper input agitator tank.
The elevating hopper upper-lower position of mixer it is spacing, controlled by travel switch.Upper limit position switch is installed on upper rail
On frame, two travel switches have been mounted side by side, have been raised spacing and safeguard protection effect to elevating hopper respectively.Work as charging hopper lifting
During to discharge position, the end face striker arm plate of elevating hopper bucket body hits the rocking bar on lifting terminal travel switch, and travel switch moves
Make, the power-off of feeding elevator motor, braking, feeding hopper is parked on discharge position.Since mixer working environment dust pollutes
It is more, travel switch rocking bar for a long time hit fatigue, easily produce limitation travel switch contact loosen gets rusty, the rocking bar of switch and
Contact damage failure；Also in control circuit, the intermediate relay of upper limit is also fragile.It is above-mentioned easy by more influence factors
Spacing failure is caused, in addition the uplink inertia of mixer elevating hopper, the final mixer hopper that occurs is rushed to summit；Mixer feeding track
Frame bending damages, and hopper will rise from track, even results in wire cable rupture, and elevating hopper occurs and falls, it is unnecessary to cause
The person and equipment safety hidden danger.
The content of the invention
The purpose of utility model：In order to provide a kind of effect more preferable concrete mixer upper limit safety guard,
Specific purposes are shown in multiple substantial technological effects of specific implementation part.
In order to reach as above purpose, the utility model adopts the following technical scheme that：
Concrete mixer upper limit safety guard, comprising mixer upper beam, avris also includes hoist engine, stirring
Middle runner one and middle runner two are included on machine upper beam, is also included along two steel wire rope directed downwardly of middle runner one and middle runner, steel
Cord slings pulley through above mixer elevating hopper, is then fixed on upward on suspension centre, it is characterised in that the steel wire rope
Sliding block is included on the right side of pulley slinging, travel switch three is also included on upper beam, sliding block is encountered during being moved upward
If travel switch three, hoist engine stop motion can be allowed.
The further technical solution of the utility model is, travel switch two and stroke are included on the left of the mixer elevating hopper
Switch one, the striker arm plate of mixer elevating hopper avris being capable of impact stroke switch two and travel switch one.
The further technical solution of the utility model is, thread segment is included on the steel wire rope, and the sliding block includes screw thread
Hole, turning block can adjust the height of sliding block on a steel cord.
The further technical solution of the utility model is that the sliding block is fixed on steel wire.
The further technical solution of the utility model is that the sliding block is connected on mixer horizontal by flexible connecting line
Liang Shang, can push up sliding block upward when mixer elevating hopper moves upward so that its contacting travel switch three.
The further technical solution of the utility model is, jack-up structure, the jack-up are included above the mixer elevating hopper
Structure is striker arm plate, and striker arm plate is fixed on the pulley yoke for slinging pulley, when slinging pulley and moving upward, striker arm plate energy
Enough impact stroke switch three.
Using the utility model of as above technical solution, had the advantages that relative to the prior art：In order to from basic
It is upper to change and prevent mixer hopper from rushing to summit, increase travel switch three in mixer control loop, pass through seizing wire and cunning
Block flexibly jointed chain.When elevating hopper is climbed to top discharge position, the striker arm plate on hopper top promotes the sliding block on main rope to move
Dynamic, control travel switch three acts, and feeding hopper is accurately parked on discharge position since the action of travel switch three is soft
Property be coupled control, damage failure may substantially reduce.
Brief description of the drawings
In order to further illustrate the utility model, it is further illustrated below in conjunction with the accompanying drawings：
Fig. 1 is utility model structure diagram；
Wherein：Runner one in 1；2. steel wire；3. hoist engine；4. travel switch three；5. suspension centre；Runner two in 6.；7. stirring
Machine upper beam；8. sliding block；9. sling pulley；10. mixer elevating hopper；11. travel switch two；12. travel switch one.
This attached drawing is the schematic diagram of present apparatus critical piece composition, does not represent the appearance and size, connection side of the utility model
Formula, assembling form, position relationship etc., it is illustrated that eliminate partially manual valve, pipe fitting etc..
Embodiment
With reference to the accompanying drawings and detailed description, the utility model is furtherd elucidate, it should be understood that following specific embodiment parties
Formula is merely to illustrate the utility model rather than limitation the scope of the utility model.It should be noted that make below in description
Word "front", "rear", "left", "right", "up" and "down" refer to the direction in attached drawing, and word " interior " and " outer " refer to respectively
Be directed towards or the direction away from particular elements geometric centers.
Concrete mixer upper limit safety guard, comprising mixer upper beam, avris also includes hoist engine, stirring
Middle runner one and middle runner two are included on machine upper beam, is also included along two steel wire rope directed downwardly of middle runner one and middle runner, steel
Cord slings pulley through above mixer elevating hopper, is then fixed on upward on suspension centre, it is characterised in that the steel wire rope
Sliding block is included on the right side of pulley slinging, travel switch three is also included on upper beam, sliding block is encountered during being moved upward
If travel switch three, hoist engine stop motion can be allowed.Substantive technique effect that the technical solution at this place is played and its
The process of realization is as follows：In order to fundamentally change and prevent mixer hopper from rushing to summit, increase row in mixer control loop
Cheng Kaiguan tri-, passes through seizing wire and sliding block flexibly jointed chain.When elevating hopper is climbed to top discharge position, hopper top is hit
Arm plate promotes the sliding block movement on main rope, and control travel switch three acts, and feeding hopper is accurately parked on discharge position
Since the action of travel switch three is flexibly jointed chain control, damage failure may substantially reduce.
When mixer connects up, in parallel with travel switch two again after three series connection of travel switch one and formation switch, access controls
Circuit, usual feeding control only travel switch three act.Even if three failure of travel switch, elevating hopper continue to climb, elevating hopper
End face striker arm plate, the rocking bar action on impact stroke switch one reach position-limiting action.
Extreme position travel switch two, is to be further used for remedying lifting terminal travel switch three and travel switch one is unexpected
Safety device during failure.
Travel switch two and travel switch one, the striker arm of mixer elevating hopper avris are included on the left of the mixer elevating hopper
Plate being capable of impact stroke switch two and travel switch one.
As a further improvement, thread segment is included on the steel wire rope, the sliding block includes threaded hole, turning block energy
Enough adjust the height of sliding block on a steel cord.The substantive technique effect and its realize that process is that the technical solution at this place is played
It is as follows：The height of sliding block on a steel cord can be adjusted using turning block, using the structure at this place, can realize convenient tune
It is whole, therefore the height sling can be adjusted.
The sliding block is fixed on steel wire.The substantive technique effect and its realize process that the technical solution at this place is played
To be as follows：As a further improvement, sliding block is fixed on steel wire, realizes specific positioning so that lifting to certain altitude is with regard to exhausted
To that will not rise.Further, since sliding block can stop that steel wire rope is moved along the pulley groove for slinging pulley, therefore it is lowered to certain
Position, can not just carry out loweing, therefore this patent also has the effect of lower limit.
The sliding block is connected on mixer upper beam by flexible connecting line, is moved upward in mixer elevating hopper
When sliding block can be pushed up upward so that its contacting travel switch three.
Comprising structure is jacked up above the mixer elevating hopper, which is striker arm plate, and striker arm plate, which is fixed on, to be sling
On the pulley yoke of pulley, when slinging pulley and moving upward, striker arm plate being capable of impact stroke switch three.
In a creative way, each effect of the above is individually present, moreover it is possible to the combination of the above results is completed with a nested structure.
It is clear that the technique effect that above structure is realized is realized, discounting for additional technical solution, this patent title is also
It can be a kind of building machinery.Part details not shown in figure.
It should be noted that multiple schemes that this patent provides include the basic scheme of itself, independently of each other, not mutually
Restrict, but it can also be mutually combined in the case where there is no conflict, reach multiple effects and realize jointly.
The advantages of basic principle, main feature and the utility model of the utility model has been shown and described above.Ability
The technical staff in domain should be recognized that the present utility model is not limited to the above embodiments, described in the above embodiment and specification
Simply illustrate the principle of the utility model, on the premise of not departing from the spirit and scope of the utility model, the utility model can also
There are various changes and modifications, these changes and improvements are both fallen within claimed scope.
Claims (6)
1. concrete mixer upper limit safety guard, comprising mixer upper beam, avris also includes hoist engine, mixer
Middle runner one and middle runner two are included on upper beam, is also included along two steel wire rope directed downwardly of middle runner one and middle runner, steel wire
Rope slings pulley through above mixer elevating hopper, is then fixed on upward on suspension centre, it is characterised in that the steel wire rope exists
Sling and include sliding block on the right side of pulley, travel switch three is also included on upper beam, sliding block encounters row during being moved upward
If Cheng Kaiguan tri-, hoist engine stop motion can be allowed.
2. concrete mixer upper limit safety guard as claimed in claim 1, it is characterised in that on the mixer
Travel switch two and travel switch one are included on the left of hopper, the striker arm plate of mixer elevating hopper avris being capable of impact stroke switch two
With travel switch one.
3. concrete mixer upper limit safety guard as claimed in claim 1, it is characterised in that on the steel wire rope
Comprising thread segment, the sliding block includes threaded hole, and turning block can adjust the height of sliding block on a steel cord.
4. concrete mixer upper limit safety guard as claimed in claim 1, it is characterised in that the sliding block is fixed
On steel wire.
5. concrete mixer upper limit safety guard as claimed in claim 1, it is characterised in that the sliding block passes through
Flexible connecting line is connected on mixer upper beam, can be pushed up sliding block upward when mixer elevating hopper moves upward
So that its contacting travel switch three.
6. concrete mixer upper limit safety guard as claimed in claim 5, it is characterised in that on the mixer
Comprising structure is jacked up above hopper, which is striker arm plate, and striker arm plate is fixed on the pulley yoke for slinging pulley, when slinging
When pulley moves upward, striker arm plate being capable of impact stroke switch three.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720990686.2U CN207273578U (en) | 2017-08-09 | 2017-08-09 | Concrete mixer upper limit safety guard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720990686.2U CN207273578U (en) | 2017-08-09 | 2017-08-09 | Concrete mixer upper limit safety guard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207273578U true CN207273578U (en) | 2018-04-27 |
Family
ID=61987043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720990686.2U Active CN207273578U (en) | 2017-08-09 | 2017-08-09 | Concrete mixer upper limit safety guard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207273578U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113320054A (en) * | 2021-06-30 | 2021-08-31 | 福建亿奇新材料有限公司 | Plastic granules make-up machine material loading machine that possesses shredding function |
-
2017
- 2017-08-09 CN CN201720990686.2U patent/CN207273578U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113320054A (en) * | 2021-06-30 | 2021-08-31 | 福建亿奇新材料有限公司 | Plastic granules make-up machine material loading machine that possesses shredding function |
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