CN208166442U - A kind of double brake lifting mechanism - Google Patents
A kind of double brake lifting mechanism Download PDFInfo
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- CN208166442U CN208166442U CN201820739300.5U CN201820739300U CN208166442U CN 208166442 U CN208166442 U CN 208166442U CN 201820739300 U CN201820739300 U CN 201820739300U CN 208166442 U CN208166442 U CN 208166442U
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- brake
- lifting mechanism
- retarder
- actuator
- scotch
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Abstract
The utility model relates to building machinery engineering equipment fields, and in particular to a kind of double brake lifting mechanism comprising reel, actuator, retarder, rack, the first brake and second brake;Actuator is connected with reel by retarder;Reel is rotatably arranged in rack, and the first brake can be connected with reel, and second brake is set to inside actuator or between actuator and retarder.Two brakes are provided on double brake lifting mechanism provided by the utility model, the first brake and second brake can provide brake force for retarder, so that lifting mechanism has better security performance.
Description
Technical field
The utility model relates to a kind of building machinery engineering equipment, especially a kind of double brake lifting mechanism.
Background technique
Lifting mechanism is with reel winding wire ropes, for being promoted or the lifting equipment of traction.Lifting mechanism can be with
Vertical-lift weight.Its material lifting for being widely used in building, hydraulic engineering, forestry, mine, harbour etc..
The brake of lifting mechanism has significant effect the security performance of lifting mechanism.In the prior art, lifting mechanism
Usually by being arranged a power hydraulic pressure block brake between retarder and motor to realize braking, at work, especially
It is when transporting important equipment, and safety is lower.
Utility model content
The goal of the invention of the utility model is:In view of the problems of the existing technology, a kind of double brake lifting machine is provided
Structure.
To achieve the goals above, the technical solution adopted in the utility model is:
A kind of double brake lifting mechanism, including reel, actuator, retarder, rack, the first brake and the second braking
Device;Actuator is connected with reel by retarder;Reel is rotatably arranged in rack, and the first brake can be with reel phase
Even, second brake is set to inside actuator or between actuator and retarder.
On double brake lifting mechanism provided by the utility model be provided with two brakes, wherein the first brake be used for
Reel is connected, and second brake is set to inside actuator or between actuator and retarder, so that lifting mechanism has preferably
Security performance.In use, opening the first brake first, braking of first brake to reel is released, motor is then opened, electricity
Machine begins setting up torque, then opens second brake, braking of the second brake to retarder is released, so that lifting mechanism can
To run well.When closing, motor power loss stops working, and second brake closure generates braking action to retarder, then pacifies
Full application of brake device power loss generates braking action to reel.
The brake of existing lifting mechanism is set between actuator and retarder, since brake force is by brake to volume
In cylinder transmittance process, it is also necessary to pass through retarder, once situations such as broken teeth has occurred in retarder, will lead to brake force can not have
Effect transmitting, to make brake fade, therefore, the lifting mechanism more demanding for security performance, traditional braking method cannot
Enough meet requirement.And double brake lifting mechanism provided by the utility model is also provided with brake on reel, therefore has
There is higher safety.
As a preferred embodiment of the present invention, one end on reel far from retarder is equipped with first end plate, first end plate
Outer ring be equipped with brake disc;First brake is connected with brake disc, and the first brake is used to apply brake force or pine to brake disc
Open first end plate.
Specifically, the first brake can cooperate with the brake disc for being set to first end plate outer ring, can provide at the first time
Brake force guarantees the braking effect of the first brake.Meanwhile this structure design, it is easy to implement on existing lifting mechanism
Repacking, advantageously reduces production cost.
As a preferred embodiment of the present invention, the first brake includes pedestal, the first braking actuator, the first braking
Arm, the second brake arm, the first brake scotch and the second brake scotch;First braking actuator is set on pedestal, the first braking actuator
One end and first brake arm one end are hinged, and the end of the first brake arm other end connects the first brake scotch, the first brake arm middle part
It is hinged with pedestal;The first braking actuator other end and second brake arm one end are hinged, and the end of the second brake arm other end connects
The second brake scotch is connect, the second brake arm middle part is hinged with pedestal, and the first brake scotch and the second brake scotch can cooperate with brake disc.
By above structure, by the convert reciprocating motion of the first braking actuator at the first brake scotch and the second brake scotch
It is close to each other and separate, to provide chucking power for the first brake scotch and the second brake scotch, realize braking.
As a preferred embodiment of the present invention, the first braking actuator is hydraulic cylinder.
First braking actuator is selected as hydraulic cylinder.Its chucking power exported is stablized, and duration is good.
As a preferred embodiment of the present invention, second brake is power hydraulic pressure block brake, second brake packet
Third brake scotch and the 4th brake scotch are included, third brake scotch and the 4th brake scotch are set between actuator and retarder.
Second brake is selected as power hydraulic pressure block brake, can adapt to the actual demand installed at retarder,
To provide brake force.
As a preferred embodiment of the present invention, the input shaft of retarder and the output shaft of actuator pass through shaft coupling phase
Even, double brake lifting mechanism further includes braked wheel, and braked wheel and second brake cooperate, and braked wheel is located on the input of retarder
Axis is simultaneously connected with the input shaft of retarder.
Braked wheel is set on the input shaft of retarder, is connected convenient for the input shaft of retarder with second brake cooperation.
As a preferred embodiment of the present invention, second brake is placed in actuator and is connected with the axis of actuator.
Second brake is set in actuator, can reduce the occupied area of double brake lifting mechanism.
In conclusion by adopting the above-described technical solution, the utility model has the beneficial effects that:
1. two brakes are provided on double brake lifting mechanism provided by the utility model, so that lifting mechanism has more
High security performance.
2. the first brake scotch and the second brake scotch and brake disc cooperate, brake force can be provided at the first time, guarantee first
The braking effect of brake is also convenient for reequiping on the basis of existing double brake lifting mechanism, advantageously reduces double brake and rises
Rise the cost of mechanism.
3. braked wheel is arranged on the input shaft of retarder, cooperate phase convenient for the input shaft and second brake of retarder
Even.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for the double brake lifting mechanism that the utility model embodiment 1 provides.
Fig. 2 is the partial enlarged view in the portion V in Fig. 1.
Fig. 3 is the partial enlarged view in the portion VI in Fig. 1.
Fig. 4 is the structural schematic diagram for the double brake lifting mechanism that the utility model embodiment 2 provides.
Icon:1- double brake lifting mechanism;11- reel;12- retarder;13- actuator;14- rack;15- first is braked
Device;16- second brake;112- first end plate;113- brake disc;121- braked wheel;151- first brakes actuator;152-
One brake arm;The second brake arm of 153-;The first brake scotch of 154-;The second brake scotch of 155-;161- third brake scotch;162- the 4th
Brake scotch.
Specific embodiment
With reference to the accompanying drawing, the utility model is described in detail.
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only to explain this
Utility model is not used to limit the utility model.
Embodiment 1
Please refer to Fig. 1-Fig. 3.The utility model embodiment provides a kind of double brake lifting mechanism 1, and this double brake rises
Rising mechanism 1 includes reel 11, actuator 13, retarder 12, rack 14, the first brake 15 and second brake 16;Actuator
13 are connected with reel 11 by retarder 12;Reel 11 is rotatably arranged in rack 14, and the first brake 15 can be with reel
11 are connected, and second brake 16 is set between actuator 13 and retarder 12.
Two brakes are provided on double brake lifting mechanism 1 provided by the utility model, wherein the first brake 15 with
Reel 11 is connected, and second brake 16 is set between actuator 13 and retarder 12, so that lifting mechanism has higher safety
Performance.In use, opening the first brake 15 first, the braking of the first brake 15 is released, then opens motor, motor starts
Torque is established, then opens second brake 16, the braking of second brake 16 is released, lifting mechanism is normally transported
Turn.When closing, motor power loss stops working, and second brake 16 is closed, and generates braking action, and then the first brake 15 loses
Electricity generates braking action.Double brake lifting mechanism 1 provided by the utility model is also provided with brake on reel 11, therefore
Safety with higher.
On the basis of above structure, one end on reel 11 far from retarder 12 is equipped with first end plate 112, first end plate
112 outer ring is equipped with brake disc 113;First brake 15 is connected with brake disc 113, and the first brake 15 is used for brake disc
113 apply brake force or unclamp first end plate 112.
Specifically, the first brake 15 can cooperate with the brake disc 113 for being set to 112 outer ring of first end plate, it can first
Time provides brake force, guarantees the braking effect of the first brake 15.Meanwhile this structure design, convenient in existing lifting machine
It is reequiped on structure, advantageously reduces production cost.
On the basis of above structure, the first brake 15 includes pedestal, the first braking actuator 151, the first brake arm
152, the second brake arm 153, the first brake scotch 154 and the second brake scotch 155;First braking actuator 151 is set on pedestal, the
One braking 151 one end of actuator and 152 one end of the first brake arm are hinged, the end connection first of 152 other end of the first brake arm
Brake scotch 154,152 middle part of the first brake arm are hinged with pedestal;First braking 151 other end of actuator and the second brake arm 153
One end is hinged, and the end of 153 other end of the second brake arm connects the second brake scotch 155, and 153 middle part of the second brake arm is cut with scissors with pedestal
It connects, the first brake scotch 154 and the second brake scotch 155 can cooperate with brake disc 113.
By above structure, by the convert reciprocating motion of the first braking actuator 151 at the first brake scotch 154 and the second system
Dynamic watt 155 close to each other and separate, to provide chucking power for the first brake scotch 154 and the second brake scotch 155, realizes system
It is dynamic.
On the basis of above structure, the first braking actuator 151 is hydraulic cylinder.
First braking actuator 151 is selected as hydraulic cylinder.Its chucking power exported is stablized, and duration is good.
On the basis of above structure, second brake 16 is power hydraulic pressure block brake, and second brake 16 includes
Third brake scotch 161 and the 4th brake scotch 162, third brake scotch 161 and the 4th brake scotch 162 are set to actuator 13 and retarder
Between 12.
Second brake 16 is selected as power hydraulic pressure block brake, can adapt to the practical need installed at retarder 12
It asks, to provide brake force.
On the basis of above structure, double brake lifting mechanism 1 further includes braked wheel 121, braked wheel 121 and the second braking
Device 16 cooperates, and braked wheel 121 is located on the input shaft of retarder 12 and is connected with the input shaft of retarder 12.
Braked wheel 121 is set on the input shaft of retarder 12, convenient for the input shaft and second brake 16 of retarder 12
Cooperation is connected.
The beneficial effect of double brake lifting mechanism 1 provided in this embodiment is:
1. two brakes are provided on double brake lifting mechanism 1 provided by the utility model, so that lifting mechanism has
Higher security performance.
2. the first brake scotch 154 and the second brake scotch 155 cooperate with brake disc 113, brake force can be provided at the first time,
The braking effect for guaranteeing the first brake 15 is also convenient for reequiping on the basis of existing double brake lifting mechanism 1, is conducive to drop
The cost of low double brake lifting mechanism 1.
3. braked wheel 121 is arranged, on the input shaft of retarder 12 convenient for the input shaft and second brake of retarder 12
16 cooperations are connected.
Embodiment 2
Please refer to Fig. 4.The utility model embodiment provides a kind of double brake lifting mechanism 1, this double brake lifting machine
The structure of structure 1 and the structure of the double brake lifting mechanism 1 in embodiment 1 are essentially identical, and difference is:The position of second brake
It sets different with structure.
In the present invention, actuator 13 is motor.Second brake be set to actuator 13 inside, and with actuator 13
Axis be connected.Specifically, second brake is electromagnetic brake.
On the basis of the beneficial effect of embodiment 1, the double brake lifting mechanism 1 that embodiment 2 provides also has with following
Beneficial effect:
Second brake is set to inside actuator 13, can reduce the occupied area of double brake lifting mechanism 1.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (7)
1. a kind of double brake lifting mechanism, which is characterized in that including reel, actuator, retarder, rack, the first brake and
Second brake;
The actuator is connected with the reel by the retarder;
The reel is rotatably arranged in the rack,
First brake can be connected with reel, and the second brake is set to inside the actuator or is set to the drive
Between moving part and the retarder.
2. double brake lifting mechanism according to claim 1, which is characterized in that far from the retarder on the reel
One end is equipped with first end plate, and first end plate outer ring is equipped with brake disc;
First brake is connected with the brake disc, first brake can to the brake disc apply brake force or
Unclamp the brake disc.
3. double brake lifting mechanism according to claim 2, which is characterized in that first brake includes pedestal,
One braking actuator, the first brake arm, the second brake arm, the first brake scotch and the second brake scotch;
The first braking actuator is set on the pedestal, described first braking actuator one end and first brake arm one
End is hinged, and the end of the first brake arm other end connects the first brake scotch, the first brake arm middle part and the pedestal
Hingedly;
The first braking actuator other end and second brake arm one end are hinged, the end of the second brake arm other end
Portion connects the second brake scotch, and the second brake arm middle part is hinged with the pedestal;
First brake scotch and second brake scotch can cooperate with the brake disc.
4. double brake lifting mechanism according to claim 3, which is characterized in that the first braking actuator is hydraulic oil
Cylinder.
5. double brake lifting mechanism according to claim 2, which is characterized in that the second brake is power hydraulic pressure block
Formula brake, the second brake include third brake scotch and the 4th brake scotch, and the third brake scotch and the described 4th make
Dynamic watt is set between the actuator and the retarder.
6. double brake lifting mechanism according to claim 5, which is characterized in that the input shaft of the retarder and the drive
The output shaft of moving part is connected by shaft coupling;
The double brake lifting mechanism further includes braked wheel, and the braked wheel and the second brake cooperate, the braked wheel
Set on the retarder input shaft and be connected with the input shaft of the retarder.
7. double brake lifting mechanism according to claim 2, which is characterized in that the second brake is placed in the driving
It is connected in part and with the axis of the actuator.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820739300.5U CN208166442U (en) | 2018-05-17 | 2018-05-17 | A kind of double brake lifting mechanism |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820739300.5U CN208166442U (en) | 2018-05-17 | 2018-05-17 | A kind of double brake lifting mechanism |
Publications (1)
Publication Number | Publication Date |
---|---|
CN208166442U true CN208166442U (en) | 2018-11-30 |
Family
ID=64368023
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201820739300.5U Active CN208166442U (en) | 2018-05-17 | 2018-05-17 | A kind of double brake lifting mechanism |
Country Status (1)
Country | Link |
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CN (1) | CN208166442U (en) |
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2018
- 2018-05-17 CN CN201820739300.5U patent/CN208166442U/en active Active
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