CN206051419U - A kind of cartridge type load lifting cylinder with protection structure - Google Patents
A kind of cartridge type load lifting cylinder with protection structure Download PDFInfo
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- CN206051419U CN206051419U CN201620831874.6U CN201620831874U CN206051419U CN 206051419 U CN206051419 U CN 206051419U CN 201620831874 U CN201620831874 U CN 201620831874U CN 206051419 U CN206051419 U CN 206051419U
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- lifting cylinder
- load lifting
- travel switch
- cylinder
- lead column
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Abstract
This utility model discloses a kind of cartridge type load lifting cylinder with protection structure, including cylinder block, the first load lifting cylinder, the second load lifting cylinder and the drive mechanism of power is provided for the first load lifting cylinder；First load lifting cylinder is set in the cylinder block, and the second load lifting cylinder is set in first load lifting cylinder；The cylinder block top is provided with a upper limit travel switch, and the first load lifting cylinder lower outside is provided with triggering block, and when the first load lifting cylinder is moved upward to triggering block triggering upper limit travel switch, drive mechanism power supply circuits are cut off.Compared with existing product, this utility model is provided with upper stroke switch, first load lifting cylinder lower outside is provided with triggering block, when first load lifting cylinder is moved upward to triggering block triggering upper limit travel switch, cut-out load lifting cylinder driving machine power supply circuits, prevent load lifting cylinder from occurring act phenomenon in use, it is to avoid contingency occurs, it is ensured that the reliability of product.
Description
Technical field
This utility model belongs to lifting equipment field, specially a kind of cartridge type load lifting cylinder with protection structure.
Background technology
Lifting mechanism in the market has scissor-type lifting mechanism and cartridge type lifting mechanism, wherein scissor-type lifting mechanism
There is lifting stroke long, receive the advantage of small volume；Cartridge type lifting machine has stable, lifting stroke length, receives small volume
Advantage, but, lifting machine needs manually to control power supply circuits during lifting or storage, prevent lifting mechanism occurred lift or
Pound the phenomenons such as cylinder.
The stroke distances that lifting machine is controlled lifting mechanism lifting or received by artificial control power supply circuits, someone will unavoidably
Cause lifting machine to occur lifting or pounded the contingencies such as cylinder for error, it is impossible to ensure to occur during using lifting machine to lift or
The phenomenons such as cylinder are pounded, and reduces and avoid the generation of contingency in use.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, there is provided one kind is prevented to be occurred lifting in use
Rise or pound the cartridge type load lifting cylinder with protection structure of the phenomenons such as cylinder.
In order to achieve the above object, this utility model is employed the following technical solutions：
A kind of cartridge type load lifting cylinder with protection structure, including cylinder block, the first load lifting cylinder, the second load lifting cylinder and for the
One load lifting cylinder provides the drive mechanism of power；First load lifting cylinder is set in the cylinder block, and the second load lifting cylinder is set in described
In first load lifting cylinder；Two first pulleys are symmetrically provided with the outside of first load lifting cylinder, the first chain in first pulley, is arranged with, the
One chain one end is fixedly connected with the cylinder block, and the other end is fixedly connected with the second load lifting cylinder；It is logical when first load lifting cylinder rises
Cross first pulley and pull the first chain, drive the second load lifting cylinder to rise, it is characterised in that：The cylinder block top is provided with one
Limitation travel switch, the first load lifting cylinder lower outside are provided with triggering block, and the first load lifting cylinder is moved upward to triggering block triggering
During upper limit travel switch, drive mechanism power supply circuits are cut off.
Compared with existing product, this utility model is provided with upper stroke switch, and the first load lifting cylinder lower outside is provided with triggering block,
When first load lifting cylinder is moved upward to triggering block triggering upper limit travel switch, load lifting cylinder driving machine power supply circuits is cut off, is prevented
Load lifting cylinder occurred act phenomenon in use, it is to avoid contingency occurs, it is ensured that the reliability of product.
Preferably, the cylinder block bottom is provided with a lower limit travel switch, and the first load lifting cylinder is moved downward to triggering
During block triggering lower limit travel switch, drive mechanism power supply circuits are cut off, and by so setting, touch lower limit when block is touched
After travel switch, cut off relative switching circuit, control the position of load lifting cylinder, prevent load lifting cylinder from occurring pounding cylinder phenomenon, reduce and
Contingency is avoided to occur.
Preferably, the cylinder block top is additionally provided with a safe altitude limitation travel switch, and the safe altitude is spacing
Travel switch set location is higher than upper limit travel switch set location, by so setting, determines the maximum that load lifting cylinder is used
Highly, when artificial control load lifting cylinder rises, after triggering block touches this trip switch, drive mechanism power supply circuits are cut off, from
And artificial incorrect operation is prevented, this height is also the maximum safe altitude that lifting mechanism can be used.
Preferably, the cylinder block bottom is additionally provided with a zero point correction travel switch, the zero point correction travel switch
Set location is less than lower limit travel switch set location, and the first load lifting cylinder is moved downward to triggering block triggering zero point correction stroke
During switch, drive mechanism power supply circuits are cut off；By so arranging the minimum altitude for controlling load lifting cylinder, while also serving as backup
Lower limit travel switch；When ensureing to fail in lower limit travel switch or be unexpected, when guide runner touches zero point correction stroke
After switch, load lifting cylinder can prevent load lifting cylinder from occurring pounding the generation of cylinder phenomenon with controlled.
Preferably, also including the first lead column and the second lead column for being symmetricly set in cylinder block both sides, the lead column
It is vertically arranged, the first load lifting cylinder both sides are provided with the first guide runner for stretching out, the first guide runner is provided with and leads
The lead column via of connection is closed to column sleeve, lead column via can be along lead column activity；First lead column, the second lead column set
The both sides of the cylinder block are placed in, the cylinder block is provided with the guide runner loose slot being adapted with first guide runner,
First guide runner is connected through guide runner loose slot with first lead column；The triggering block is that the described first guiding is slided
Block, the upper limit travel switch are located at guide runner loose slot upper outside；Using this structure, by the first guide runner
Guide function is provided for the activity of the first load lifting cylinder along the first lead column activity, make the first load lifting cylinder raising and lowering more smoothly, more
It is stable, on the other hand realize that the first guide runner slides in the first lead column, make the cartridge type load lifting cylinder with protection structure
Overall structure is more reasonable.
Upper limit travel switch, safe altitude limitation travel switch, lower limit travel switch and zero point are provided with when simultaneously
During calibration travel switch, upper limit travel switch and safe altitude limitation travel switch are outside guide runner loose slot top
Side, lower limit travel switch and zero point correction travel switch are located at guide runner loose slot lower outside；Each travel switch is set
Outside loose slot, it is easy to the first guide runner triggering travel switch, makes the overall knot of the cartridge type load lifting cylinder with protection structure
Structure is more reasonable.
Preferably, the cylinder block upper end is provided with the upper flange for stretching out, and the cylinder block lower end is provided with and stretches out
Lower flange, the upper limit travel switch and safe altitude limitation travel switch are arranged on upper flange by mounting bracket respectively
Downside, the lower limit travel switch and zero point correction travel switch are arranged on the upper of lower flange by mounting bracket respectively
Side.
Preferably, the second lifting inner cylinder sleeve is provided with the 3rd load lifting cylinder, is symmetrically provided with the outside of second load lifting cylinder
Two second pulleys, are arranged with the second chain in the second pulley, described second chain one end is fixed with the first load lifting cylinder and connected
Connect, the other end is fixedly connected with the 3rd load lifting cylinder, the second chain, band are pulled by second pulley when second load lifting cylinder rises
Dynamic 3rd load lifting cylinder rises；Add the 3rd load lifting cylinder, make it is of the present utility model lifting stroke it is longer, and, the second load lifting cylinder and
3rd load lifting cylinder is while moving upwards, the lifting speed of raising load lifting cylinder.
Description of the drawings
Fig. 1 has the receiving state axonometric chart of the cartridge type load lifting cylinder of protection structure for this utility model；
Fig. 2 has the lifting state stereogram of the cartridge type load lifting cylinder of protection structure for this utility model；
Fig. 3 has the explosive view of the cartridge type load lifting cylinder of protection structure for this utility model；
Fig. 4 has the partial sectional view of the cartridge type load lifting cylinder of protection structure for this utility model；
Fig. 5 is a-quadrant partial enlarged drawing in Fig. 2；
Fig. 6 is B regions partial enlarged drawing in Fig. 2.
Specific embodiment
Below in conjunction with description of the drawings specific embodiment of the present utility model.
Referring to Fig. 1,2 and Fig. 5, the cartridge type load lifting cylinder with protection structure of the present utility model, including cylinder block X1, first
Load lifting cylinder 1, the second load lifting cylinder 2 and drive mechanism X2 of power is provided for the first load lifting cylinder；First load lifting cylinder 1 is set in described
In cylinder body X1 seats, the second load lifting cylinder 2 is set in first load lifting cylinder 2；Two are provided with the outside of first load lifting cylinder 1 symmetrically
One pulley 101, is arranged with the first chain 102 in first pulley 101,102 one end of the first chain is fixed with the cylinder block X1 and connected
Connect, the other end is fixedly connected with the second 2 cylinders of lifting；The first chain is pulled by first pulley 101 when first load lifting cylinder 1 rises
102, drive the second load lifting cylinder 2 to rise, the cylinder block X1 tops are provided with a upper limit travel switch X111, and described first lifts
Rise 1 lower outside of cylinder and be provided with triggering block, when the first load lifting cylinder 1 is moved upward to triggering block triggering upper limit travel switch X111,
Drive mechanism X2 power supply circuits are cut off.
Compared with existing product, this utility model is provided with upper stroke switch X111, and 1 lower outside of the first load lifting cylinder is provided with tactile
Block is sent out, when the first load lifting cylinder 1 is moved upward to triggering block triggering upper limit stroke X111 switches, load lifting cylinder drive mechanism X2 is cut off
Power supply circuits, prevent load lifting cylinder from occurring act phenomenon in use, reduce and avoid contingency to occur, it is ensured that product
Reliability.
As a kind of preferred version, referring to Fig. 2 and Fig. 6, cylinder block X1 bottoms are provided with a lower limit travel switch X121,
When first load lifting cylinder 1 is moved downward to triggering block triggering lower limit travel switch X121, drive mechanism X2 power supply circuits are cut off,
By so setting, after block shake-up lower limit travel switch X121 is touched, relative switching circuit is cut off, load lifting cylinder is controlled
Position, prevents load lifting cylinder from occurring pounding cylinder phenomenon, reduces and avoid contingency to occur.
Referring to Fig. 2 and Fig. 5, cylinder block X1 tops are additionally provided with a safe altitude limitation travel switch X112, the safety
Height limit travel switch X112 set locations are higher than upper limit travel switch X111 set locations, by so setting, it is determined that
The maximum height that load lifting cylinder is used, when artificial control load lifting cylinder rises, after triggering block touches this trip switch, drive mechanism is supplied
Circuit is cut off, and so as to prevent artificial incorrect operation, this height is also the maximum safe altitude that lifting mechanism can be used.
Referring to Fig. 2 and Fig. 6, cylinder block bottom is additionally provided with a zero point correction travel switch X122, the zero point correction row
Cheng Kaiguan X122 set locations are less than lower limit travel switch X121 set locations, and the first load lifting cylinder 1 is moved downward to triggering block
During triggering zero point correction travel switch X122, drive mechanism X2 power supply circuits are cut off；Load lifting cylinder is controlled by so arranging
Minimum altitude, while also serving as the lower limit travel switch X121 for backing up；Ensure to fail or anticipate in lower limit travel switch X121
When outer, after guide runner touches zero point correction travel switch X122, load lifting cylinder can prevent load lifting cylinder from occurring pounding with controlled
Cylinder phenomenon occurs.
Referring to Fig. 3 and Fig. 4, drive mechanism includes being longitudinally disposed at the ball screw X105 of 1 in the first load lifting cylinder, is arranged
Screw mandrel terminal pad X106 on the outside of the ball screw X105 and the motor structure X2 of ball screw rotation is driven, screw mandrel connects
Flange X106 is fixedly connected with first load lifting cylinder 1；Ball screw is driven to rotate using motor structure X2, so as to drive silk
Bar terminal pad X106 controls the lifting of the first load lifting cylinder 1, not only saves space, and screw mandrel terminal pad X106 and the first load lifting cylinder
Cooperation between 1 closely, runs the first load lifting cylinder 1 more stable.
As a kind of preferred version, referring to Fig. 2,3,5 and Fig. 6, also including being symmetricly set in the first of cylinder block X1 both sides
Lead column X103 and the second lead column X103, the lead column are vertically arranged, and 1 both sides of the first load lifting cylinder are provided with and stretch out
The first guide runner X103, the first guide runner X103 is provided with the lead column via 103A being connected with lead column fit, led
Can be along lead column activity to post via 103A；First lead column 103, the second lead column 104 are arranged at the cylinder block X1
Both sides, the cylinder block X1 is provided with the guide runner loose slot X102 being adapted with first guide runner 103, and first leads
It is connected with first lead column X103 to slide block 103 through guide runner loose slot X102；The triggering block is described first
Guide runner 103, the upper limit travel switch X111 and safe altitude stroke-limit are opened X112 and are closed located at guide runner activity
Groove X102 upper outsides, the lower limit travel switch X121 and zero point correction travel switch X122 are located at guide runner loose slot
X102 lower outsides；Each travel switch is set outside loose slot, is easy to the triggering travel switch of the first guide runner 103, is made tool
There is the overall structure of the cartridge type load lifting cylinder of protection structure more reasonable.
Referring to Fig. 2,3,5 and 6, cylinder block X1 upper ends are provided with the upper flange X107 for stretching out, the cylinder block X1 lower ends
It is provided with the lower flange X108 for stretching out, the upper limit travel switch X111 and safe altitude limitation travel switch X112 difference
By mounting bracket installed in the downside of upper flange X170, the lower limit travel switch X120 and zero point correction travel switch
X122 is respectively by mounting bracket installed in the upside of lower flange X108.
As a kind of preferred version, referring to Fig. 2 and Fig. 3, in second load lifting cylinder 2, the 3rd load lifting cylinder 3 is arranged with, it is described
Two second pulleys 201 are symmetrically provided with the outside of second load lifting cylinder 2,202, the second chain in the second pulley 201, is arranged with,
Described second chain, 202 one end is fixedly connected with the first load lifting cylinder 1, and the other end is fixedly connected with the 3rd load lifting cylinder 3, and described second
The second chain 202 is pulled by second pulley 201 when load lifting cylinder 2 rises, drives the 3rd load lifting cylinder 3 to rise；Add the 3rd lifting
Cylinder 3, makes lifting stroke of the present utility model longer, and, the second load lifting cylinder 2 and the 3rd load lifting cylinder 3 are moved simultaneously upwards,
Improve the lifting speed of load lifting cylinder.
The announcement and teaching of book according to the above description, this utility model those skilled in the art can also be to above-mentioned reality
The mode of applying is changed and is changed.Therefore, this utility model is not limited to specific embodiment disclosed and described above, right
Some modifications and changes of the present utility model should also be as falling in scope of the claims of the present utility model.Additionally, to the greatest extent
Some specific terms used in pipe this specification, but these terms are merely for convenience of description, not to this utility model
Constitute any restriction.
Claims (8)
1. a kind of cartridge type load lifting cylinder with protection structure, including cylinder block, the first load lifting cylinder, the second load lifting cylinder and be first
Load lifting cylinder provides the drive mechanism of power；First load lifting cylinder is set in the cylinder block, and the second load lifting cylinder is set in described
In one load lifting cylinder；Two first pulleys are symmetrically provided with the outside of first load lifting cylinder, the first chain in first pulley, is arranged with, first
Chain one end is fixedly connected with the cylinder block, and the other end is fixedly connected with the second load lifting cylinder；First load lifting cylinder passes through when rising
First pulley pulls the first chain, drives the second load lifting cylinder to rise, it is characterised in that：The cylinder block top is provided with a upper limit
Position travel switch, the first load lifting cylinder lower outside are provided with triggering block, and the first load lifting cylinder is moved upward in triggering block triggering
During limitation travel switch, drive mechanism power supply circuits are cut off.
2. the cartridge type load lifting cylinder with protection structure according to claim 1, it is characterised in that：The cylinder block bottom sets
There is a lower limit travel switch, when the first load lifting cylinder is moved downward to triggering block triggering lower limit travel switch, drive mechanism
Power supply circuits are cut off.
3. the cartridge type load lifting cylinder with protection structure according to claim 2, it is characterised in that：Also set on the cylinder block
There is a safe altitude limitation travel switch, the safe altitude limitation travel switch set location is higher than upper limit travel switch
Set location.
4. the cartridge type load lifting cylinder with protection structure according to claim 3, it is characterised in that：The cylinder block bottom is also
A zero point correction travel switch is provided with, the zero point correction travel switch set location arranges position less than lower limit travel switch
Put, when the first load lifting cylinder is moved downward to triggering block triggering zero point correction travel switch, drive mechanism power supply circuits are cut off.
5. the cartridge type load lifting cylinder with protection structure according to claim 1, it is characterised in that：Also include being symmetricly set in
First lead column and the second lead column of cylinder block both sides, the lead column are vertically arranged, and the first load lifting cylinder both sides are provided with
The first guide runner for stretching out, the first guide runner are provided with the lead column via being connected with lead column fit, lead column
Via can be along lead column activity；First lead column, the second lead column are arranged at the both sides of the cylinder block, the cylinder block
Be provided with the guide runner loose slot being adapted with first guide runner, the first guide runner through guide runner loose slot with
The first lead column connection；The triggering block is first guide runner, and the upper limit travel switch is located at guiding cunning
Block loose slot upper outside.
6. the cartridge type load lifting cylinder with protection structure according to claim 4, it is characterised in that：Also include being symmetricly set in
First lead column and the second lead column of cylinder block both sides, the lead column are vertically arranged, and the first load lifting cylinder both sides are provided with
The first guide runner for stretching out, the first guide runner are provided with the lead column via being connected with lead column fit, lead column
Via can be along lead column activity；First lead column, the second lead column are arranged at the both sides of the cylinder block, the cylinder block
Be provided with the guide runner loose slot being adapted with first guide runner, the first guide runner through guide runner loose slot with
The first lead column connection；The triggering block is first guide runner, the upper limit travel switch and safe altitude
Limitation travel switch is located at guide runner loose slot upper outside, and the lower limit travel switch and zero point correction travel switch set
In guide runner loose slot lower outside.
7. the cartridge type load lifting cylinder with protection structure according to claim 6, it is characterised in that：The cylinder block upper end sets
There is the upper flange for stretching out, the cylinder block lower end is provided with the lower flange for stretching out, the upper limit travel switch and peace
Full-height limitation travel switch is arranged on the downside of upper flange, the lower limit travel switch and zero point respectively by mounting bracket
Calibration travel switch is arranged on the upside of lower flange respectively by mounting bracket.
8. the cartridge type load lifting cylinder with protection structure according to any one of claim 1 to 7, it is characterised in that：Described
Two lifting inner cylinder sleeves are provided with the 3rd load lifting cylinder, are symmetrically provided with two second pulleys on the outside of second load lifting cylinder, and described second
The second chain is arranged with pulley, described second chain one end is fixedly connected with the first load lifting cylinder, the other end and the 3rd load lifting cylinder
It is fixedly connected, the second chain is pulled by second pulley when second load lifting cylinder rises, drives the 3rd load lifting cylinder to rise.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620831874.6U CN206051419U (en) | 2016-08-01 | 2016-08-01 | A kind of cartridge type load lifting cylinder with protection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620831874.6U CN206051419U (en) | 2016-08-01 | 2016-08-01 | A kind of cartridge type load lifting cylinder with protection structure |
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| Publication Number | Publication Date |
|---|---|
| CN206051419U true CN206051419U (en) | 2017-03-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620831874.6U Active CN206051419U (en) | 2016-08-01 | 2016-08-01 | A kind of cartridge type load lifting cylinder with protection structure |
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| Country | Link |
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| CN (1) | CN206051419U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107416497A (en) * | 2017-07-24 | 2017-12-01 | 刘云梦 | A kind of up-down deflection device |
| CN108114870A (en) * | 2018-01-30 | 2018-06-05 | 东莞市超智新材料有限公司 | Uv lamp height adjusting structure and coating machine |
-
2016
- 2016-08-01 CN CN201620831874.6U patent/CN206051419U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107416497A (en) * | 2017-07-24 | 2017-12-01 | 刘云梦 | A kind of up-down deflection device |
| CN107416497B (en) * | 2017-07-24 | 2019-03-29 | 刘云梦 | A kind of up-down deflection device |
| CN108114870A (en) * | 2018-01-30 | 2018-06-05 | 东莞市超智新材料有限公司 | Uv lamp height adjusting structure and coating machine |
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