CN207551784U - A kind of counterweight lifting device - Google Patents
A kind of counterweight lifting device Download PDFInfo
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- CN207551784U CN207551784U CN201721377836.9U CN201721377836U CN207551784U CN 207551784 U CN207551784 U CN 207551784U CN 201721377836 U CN201721377836 U CN 201721377836U CN 207551784 U CN207551784 U CN 207551784U
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- lifting device
- support
- counterweight lifting
- hydraulic cylinder
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Abstract
The utility model provides a kind of counterweight lifting device, for promoting the clump weight on blast furnace main belt, including driving mechanism, the support being vertically arranged and multigroup hoisting mechanism；Multigroup hoisting mechanism is arranged in the support；Hoisting mechanism described in every group includes hydraulic cylinder, steel wire rope, movable pulley and multiple fixed pulleys；The hydraulic cylinder is connected with the driving mechanism；All fixed pulleys are successively set in the support, and one of them described fixed pulley is located at the top of the support, and one end of the hydraulic cylinder is fixed on the bottom end of the support, and the movable pulley is fixed on the other end of the hydraulic cylinder；One end of the steel wire rope is fixed, the other end movable pulley described in pile warp and all fixed pulleys successively, hanging at a fixed pulley wherein, for being connected with the clump weight.Disposably counterweight can be promoted in place, efficiency is higher and frame is relatively fixed, and onsite application is very convenient, and working hour greatly reduces.
Description
Technical field
The utility model is related to ore smelting technical field, more particularly to a kind of counterweight lifting device.
Background technology
Belt feeder is the important equipment that material is transported to blast furnace roof, as shown in Figure 1, Fig. 1 is shown as existing skill
The structure diagram of belt feeder in art.The raw materials such as coke, ore, are transported in feed bin respectively.According to wanting for shaft furnace charging
It asks, by automatic weighing, a variety of different furnace charges is respectively charged into respective concentrate in bucket.Charging belt is round-the-clock fortune
Capable, furnace charge is uniformly distributed on belt, and be transported to State of Blast Furnace according to feeding program by the batcher for concentrating bucket lower part
Top.The tensioning apparatus of belt feeder is mainly made of 2 bend wheels, 1 weighting distribution wheel and 1 counterweight, in belt backhaul, profit
With the gravity of clump weight by belt tension.
Blast furnace belt feeder is replaced in the work progress such as great wheel, tail wheel, bend wheel, driving wheel, it is necessary to by counterweight entirety
1.5m or so is promoted, makes belt that there is surplus.Since the counterweight of blast furnace belt feeder is from great, counterweight construction is promoted every time
It is all time-consuming and laborious.By taking blast furnace main belt rotary drum overhauling as an example, scene coordinates counterweight to be promoted using 4 10t chain blocks, needs 12 people
Grouping pulls chain block in turn, and total time-consuming about 1 hour or so, work load is big and efficiency is low.
Utility model content
In view of the foregoing deficiencies of prior art, the purpose of this utility model is to provide a kind of counterweight lifting device,
For solving the problems, such as that work load is big in the prior art and efficiency is low.
The utility model provides a kind of counterweight lifting device, for promoting the clump weight on blast furnace main belt, including driving
Mechanism, the support being vertically arranged and multigroup hoisting mechanism；Multigroup hoisting mechanism is arranged in the support；Every group of institute
It states hoisting mechanism and includes hydraulic cylinder, steel wire rope, movable pulley and multiple fixed pulleys；The hydraulic cylinder and the driving mechanism
It is connected；All fixed pulleys are successively set in the support, and one of them described fixed pulley is located at the top of the support
End, one end of the hydraulic cylinder are fixed on the bottom end of the support, and the movable pulley is fixed on the another of the hydraulic cylinder
On end；One end of the steel wire rope is fixed, the other end movable pulley described in pile warp and all fixed pulleys successively, one wherein
It is hanging at the fixed pulley, for being connected with the clump weight.
In an embodiment of the utility model, the support is frame structure, including pedestal and is vertically arranged in institute
State at least two vertical beams and the crossbeam being horizontally set on the vertical beam on pedestal.
In an embodiment of the utility model, the quantity of fixed pulley described in hoisting mechanism described in every group is three；Three
A fixed pulley is successively set on the crossbeam, on the vertical beam and junction of the vertical beam and the pedestal.
In an embodiment of the utility model, the driving mechanism includes hydraulic power unit and high-pressure oil pipe；The high pressure
The both ends of oil pipe are connected respectively with the hydraulic cylinder and the hydraulic power unit.
In an embodiment of the utility model, the counterweight lifting device further includes wire tensioner, the rigging spiral shell
One end of spinner and one end of the steel wire rope are fixed on jointly in the support, wire tensioner described in the steel wire penetrating
Afterwards around being located on the movable pulley.
In an embodiment of the utility model, the counterweight lifting device further includes locking chain, the locking chain
One end be fixed in the support, the other end is detachably connected with the clump weight.
In an embodiment of the utility model, the clump weight be equipped with multiple lifting lugs, the lifting lug respectively with it is described
Steel wire rope is connected with the locking chain.
In an embodiment of the utility model, the quantity of the hoisting mechanism is four groups.
In an embodiment of the utility model, the counterweight lifting device further includes electric control operation case, the automatically controlled behaviour
Make case and include controller, hydraulic lifting execution structure and multiple sensors；The controller is connected with the driving mechanism；It is described
The quantity of sensor is identical with the hoisting mechanism quantity.
As described above, a kind of counterweight lifting device of the utility model, has the advantages that：
Disposably counterweight can be promoted in place, efficiency is higher and frame is relatively fixed, and onsite application is very convenient.And it imitates
Rate greatly improves, by clump weight promoted check man when greatly reduce.
Description of the drawings
Fig. 1 is shown as the structure diagram of belt feeder in the prior art.
Fig. 2 is shown as the structure diagram of counterweight lifting device in the present invention.
Component label instructions：
100 clump weights
1 driving mechanism
2 supports
3 hoisting mechanisms
4 wire tensioners
5 locking chains
6 electric control operation casees
11 hydraulic power units
12 high-pressure oil pipes
31 hydraulic cylinders
32 steel wire ropes
33 movable pulleys
34 fixed pulleys
Specific embodiment
Illustrate the embodiment of the utility model below by way of specific specific example, those skilled in the art can be by this theory
Content disclosed by bright book understands other advantages and effect of the utility model easily.The utility model can also be by addition
Different specific embodiments are embodied or practiced, and the various details in this specification can also be based on different viewpoints with answering
With carrying out various modifications or alterations under the spirit without departing from the utility model.It should be noted that in situation about not conflicting
Under, the feature in following embodiment and embodiment can be combined with each other.
It should be noted that the diagram provided in following embodiment only illustrates the basic of the utility model in a schematic way
Conception, component count, shape when only display is with related component in the utility model rather than according to actual implementation in schema then
And size is drawn, kenel, quantity and the ratio of each component can be a kind of random change during actual implementation, and its assembly layout
Kenel may also be increasingly complex.
Referring to Fig. 2, it should however be clear that structure, ratio, size depicted in this specification institute accompanying drawings etc., only coordinating
The bright revealed content of book, so that those skilled in the art understands and reads, being not limited to the utility model can implement
Qualifications, therefore do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size,
In the case where not influencing the effect of the utility model can be generated and the purpose that can reach, should all still fall disclosed in the utility model
Technology contents obtain and can cover in the range of.Meanwhile in this specification it is cited as " on ", " under ", "left", "right", " in
Between " and " one " etc. term, be merely convenient to understanding rather than to limit the enforceable range of the utility model for narration,
Relativeness is altered or modified, in the case where changing technology contents without essence, when being also considered as the enforceable scope of the utility model.
As shown in Fig. 2, Fig. 2 is shown as the structure diagram of counterweight lifting device in the present invention.The utility model provides one
Kind of counterweight lifting device, for promoting the clump weight 100 on blast furnace main belt, including driving mechanism 1, the support being vertically arranged 2,
With multigroup hoisting mechanism 3；Multigroup hoisting mechanism 3 is arranged in support 2；Every group of hoisting mechanism 3 includes hydraulic cylinder 31, steel
Cord 32, movable pulley 33 and multiple fixed pulleys 34；Hydraulic cylinder 31 is connected with driving mechanism 1；All fixed pulleys 34 are set gradually
In support 2, and one of fixed pulley 34 is located at the top of support 2, and one end of hydraulic cylinder 31 is fixed on the bottom of support 2
End, movable pulley 33 are fixed on the other end of hydraulic cylinder 31；One end of steel wire rope 32 is fixed, other end pile warp movable pulley successively
33 and all fixed pulleys 34, it is hanging at a fixed pulley 34 wherein, for being connected with clump weight 100.During startup, driving mechanism
1 driving hoisting mechanism 3 works, at this point, hydraulic cylinder 31 jacks the movable pulley 33 of end, and then steel wire rope 32 is driven to pull counterweight
Block 100 is lifted up.In a preferred embodiment, clump weight 100 need to promote 1200mm, jacked using movable pulley 33 and drive steel wire
Rope 32 need to only jack 600mm and the effect for promoting 1200mm can be realized.
In an embodiment of the utility model, support 2 is frame structure, including pedestal and is vertically arranged on pedestal
At least two vertical beams and be horizontally set with the crossbeam on vertical beam.
Further, the quantity of fixed pulley 34 is three in every group of hoisting mechanism 3；Three fixed pulleys 34 are successively set on horizontal stroke
On on Liang Shang, the vertical beam and junction of vertical beam and pedestal.
In an embodiment of the utility model, driving mechanism 1 includes hydraulic power unit 11 and high-pressure oil pipe 12；High-pressure oil pipe
12 both ends are connected respectively with hydraulic cylinder 31 and hydraulic power unit 11.
In an embodiment of the utility model, counterweight lifting device further includes wire tensioner 4, wire tensioner 4
One end and one end of steel wire rope 32 are fixed on jointly in support 2, and steel wire rope 32 is passed through after wire tensioner 4 around being located at movable pulley 33
On.
In an embodiment of the utility model, counterweight lifting device further includes locking chain 5, locks one end of chain 5
It is fixed in support 2, the other end is detachably connected with clump weight 100.Locking is connected after clump weight 100 is jacked to designated position
Chain 5 and clump weight 100 make clump weight 100 more stable.
Further, clump weight 100 is equipped with multiple lifting lugs, and lifting lug is connected respectively with steel wire rope 32 and locking chain 5.
In an embodiment of the utility model, the quantity of hoisting mechanism is four groups.
In an embodiment of the utility model, counterweight lifting device further includes electric control operation case 6, and electric control operation case 6 wraps
Include controller, hydraulic lifting performs structure and multiple sensors；Controller is connected with driving mechanism 1；It the quantity of sensor and carries
It is identical to rise 3 quantity of mechanism.In the present embodiment, sensor is distance detection sensor.
In one embodiment, it is the safety of Lifting Equipment, four hydraulic cylinders 31 must be realized less than 0.5mm at work
The synchronization of jacking up precision of error, the variation of displacement will automatically be detected by distance detection sensor, and will detection signal feedback
Operation comparison is carried out, while its command signal is sent to hydraulic lifting and performs structure to controller, realize that each hydraulic cylinder 31 pushes up
The displacement error precision risen can be controlled in 0.3-0.4mm ranges.In view of the requirement of 31 wide usage of hydraulic cylinder and practical feelings
Condition, using four 30 tons of hydraulic cylinders 31, oil cylinder stroke 600mm in the present embodiment.Meanwhile controller can be supervised with overall process
Depending on each operating mode displacement variable, and it can realize the starting point zero-bit tune that program composition and displacement sensor are carried out by condition model
It is whole.According to the actual conditions of major blast furnace, environmental resitance, self-locking function, reality are usually considered up to 40t by jacking self-weight of object
With property and wide usage.Pumping plant operating pressure is in 70MPa；The rate v=100mm/min of synchronization of jacking up；The pressure loss in pipeline
△ p=6.1vql/d4.Wherein：V- kinematic viscosity；Q- flows；L- duct lengths；D- pipeline drift diameters, so △ p=
6.1·v·q·l /d4=6.1 × 35 × 0.4 × 9/25 × 25=0.77bar, in 700kg/cm2 hydraulic systems, 0.77bar
The pressure loss is ignored.It can be seen that the utility model can fully achieve counterweight enhanced feature.
In conclusion the counterweight lifting device of the utility model, disposably counterweight can be promoted in place, efficiency it is higher and
Frame is relatively fixed, and onsite application is very convenient.And efficiency greatly improves, by clump weight promoted check man when greatly reduce.
So the utility model effectively overcomes various shortcoming of the prior art and has high industrial utilization.
The above embodiments are only illustrative of the principle and efficacy of the utility model, new not for this practicality is limited
Type.Any person skilled in the art can all carry out above-described embodiment under the spirit and scope without prejudice to the utility model
Modifications and changes.Therefore, such as those of ordinary skill in the art without departing from the revealed essence of the utility model
All equivalent modifications completed under refreshing and technological thought or change, should be covered by the claim of the utility model.
Claims (9)
1. a kind of counterweight lifting device, for promoting the clump weight on blast furnace main belt (100), which is characterized in that including driving
Mechanism (1), the support (2) being vertically arranged and multigroup hoisting mechanism (3)；Multigroup hoisting mechanism (3) is arranged at the branch
It supports on (2)；
Hoisting mechanism (3) described in every group includes hydraulic cylinder (31), steel wire rope (32), movable pulley (33) and multiple fixed pulleys
(34)；The hydraulic cylinder (31) is connected with the driving mechanism (1)；All fixed pulleys (34) are successively set on the branch
It supports on (2), and one of them described fixed pulley (34) is positioned at the top of the support (2), one end of the hydraulic cylinder (31)
The bottom end of the support (2) is fixed on, the movable pulley (33) is fixed on the other end of the hydraulic cylinder (31)；The steel
One end of cord (32) is fixed, the other end movable pulley (33) described in pile warp and all fixed pulleys (34) successively, and wherein one
It is hanging at a fixed pulley (34), for being connected with the clump weight (100).
2. counterweight lifting device according to claim 1, which is characterized in that the support (2) is frame structure, the bottom of including
Seat and at least two vertical beams and the crossbeam being horizontally set on the vertical beam being vertically arranged on the pedestal.
3. counterweight lifting device according to claim 2, which is characterized in that fixed described in hoisting mechanism (3) described in every group
The quantity of pulley (34) is three；Three fixed pulleys (34) are successively set on the crossbeam, on the vertical beam and institute
On the junction for stating vertical beam and the pedestal.
4. counterweight lifting device according to claim 1, which is characterized in that the driving mechanism (1) is including hydraulic power unit
(11) and high-pressure oil pipe (12)；The both ends of the high-pressure oil pipe (12) respectively with the hydraulic cylinder (31) and the hydraulic power unit
(11) it is connected.
5. counterweight lifting device according to claim 1, which is characterized in that the counterweight lifting device further includes rigging spiral shell
Spinner (4), one end of the wire tensioner (4) and one end of the steel wire rope (32) are fixed on jointly on the support (2),
The steel wire rope (32) across after the wire tensioner (4) around being located on the movable pulley (33).
6. counterweight lifting device according to claim 2, which is characterized in that the counterweight lifting device further includes locking chain
Item (5), one end of the locking chain (5) are fixed on the support (2), and the other end and the clump weight (100) are detachable
It is connected.
7. counterweight lifting device according to claim 6, which is characterized in that the clump weight (100) is equipped with multiple hang
Ear, the lifting lug are connected respectively with the steel wire rope (32) and the locking chain (5).
8. counterweight lifting device according to claim 1, which is characterized in that the quantity of the hoisting mechanism (3) is four groups.
9. counterweight lifting device according to claim 1, which is characterized in that the counterweight lifting device further includes automatically controlled behaviour
Make case (6), the electric control operation case (6) performs structure and multiple sensors including controller, hydraulic lifting；The controller and
The driving mechanism (1) is connected；The quantity of the sensor is identical with the hoisting mechanism (3) quantity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721377836.9U CN207551784U (en) | 2017-10-24 | 2017-10-24 | A kind of counterweight lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721377836.9U CN207551784U (en) | 2017-10-24 | 2017-10-24 | A kind of counterweight lifting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207551784U true CN207551784U (en) | 2018-06-29 |
Family
ID=62673649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721377836.9U Active CN207551784U (en) | 2017-10-24 | 2017-10-24 | A kind of counterweight lifting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207551784U (en) |
-
2017
- 2017-10-24 CN CN201721377836.9U patent/CN207551784U/en active Active
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