CN205676111U - A kind of safe and reliable crane - Google Patents
A kind of safe and reliable crane Download PDFInfo
- Publication number
- CN205676111U CN205676111U CN201620631462.8U CN201620631462U CN205676111U CN 205676111 U CN205676111 U CN 205676111U CN 201620631462 U CN201620631462 U CN 201620631462U CN 205676111 U CN205676111 U CN 205676111U
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- Prior art keywords
- adjustable shelf
- fixed mount
- safe
- arm
- unidirectional
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- 244000309464 bull Species 0.000 claims abstract description 24
- 238000000465 moulding Methods 0.000 claims abstract description 19
- 230000005540 biological transmission Effects 0.000 claims abstract description 5
- 238000013016 damping Methods 0.000 claims description 16
- 230000000694 effects Effects 0.000 claims description 10
- 230000005611 electricity Effects 0.000 claims description 2
- 241000282326 Felis catus Species 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000003028 elevating effect Effects 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000003550 marker Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
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Abstract
The utility model discloses a kind of safe and reliable crane, including fixed mount, adjustable shelf, be located at the electric winch of fixed mount lower outside, the apparatus for controlling of lifting of winch, the anti-fall device of adjustable shelf；The wirerope that winch is in transmission connection pulls with adjustable shelf be connected by being located at the fixed pulley at fixed mount top；Adjustable shelf and fixed mount are square frame-shaped support body, and adjustable shelf is set in the framework of fixed mount；Anti-fall device includes four groups of one-way non-return devices in rotationally symmetrical setting each other；Often group one-way non-return device includes that the projection on multiple moulding side, an incline portion being disposed on fixed mount up and down, a fulcrum are arranged on the lever-type unidirectional bull stick on the moulding side, corresponding incline portion of adjustable shelf；Unidirectional bull stick is horizontally disposed with；The inner side arm of unidirectional bull stick is resistance arm, and outer side arm is power arm, and resistance arm length is more than power arm length；Power arm end face is provided with the non-return block on the incline portion moulding being pressed over adjustable shelf at fulcrum.Reliability is higher.
Description
Technical field
This utility model belongs to field of mechanical technique, relates to a kind of safe and reliable crane.
Background technology
Crane is conventional construction device, and convenience and the reliability of its lifting are critically important to safety operation.
The crane device of prior art, various structures, have lifts by HYDRAULIC CONTROL SYSTEM, some rack-and-pinion machines
Structure, have then lifts with hoist engine.The mechanism reliability using HYDRAULIC CONTROL SYSTEM lifting and employing rack-and-pinion is higher, but knot
Structure is relative complex, and cost is high, and the structure using hoist engine elevating mechanism is relatively easy, and cost is low, but reliability is relatively poor.
The crane of the hoist engine elevating mechanism of prior art, its structure, with reference to Fig. 1, generally includes fixed mount 1, adjustable shelf
2, the electric winch 10 of fixed mount 1 lower outside, the apparatus for controlling of lifting of electric winch 10, the anti-fall device of adjustable shelf 2 it are located at；
The wirerope 13 that electric winch 10 is in transmission connection pulls with adjustable shelf 2 be connected by being located at the fixed pulley 14 at fixed mount 1 top；It is prevented
Fall device is protected by wirerope 13, clutch, insurance ratchet, fixed pulley 14, the combined reliability of electromechanical controlling device generally exactly
Card.
Use the crane device of the hoist engine elevating mechanism of such technology it is of course possible to use, but its reliability to be leaned on many
The whole synthesis reliability of individual link parts ensures；Any one parts goes wrong and all can produce potential safety hazard.Reliability is also
Not high enough, using effect is the most preferable.
Utility model content
For overcoming the deficiencies in the prior art, this utility model provides one, and structure is the most reasonable, reliability is higher, uses effect
A kind of safe and reliable crane of fruit.
This utility model be the technical scheme is that a kind of safe and reliable crane by reaching above-mentioned technical purpose,
Including fixed mount, adjustable shelf, it is located at the electric winch of fixed mount lower outside, the apparatus for controlling of lifting of electric winch, adjustable shelf
Anti-fall device；The wirerope that electric winch is in transmission connection pulls with adjustable shelf be connected by being located at the fixed pulley at fixed mount top；
Described adjustable shelf and fixed mount are square frame-shaped support body, and adjustable shelf is set in the framework of fixed mount；Described anti-fall device
The one-way non-return device in rotationally symmetrical setting each other including four groups；Often group one-way non-return device includes multiple between the upper and lower every setting
Put the projection on the moulding side, an incline portion of fixed mount, a fulcrum is arranged on the moulding side, corresponding incline portion of adjustable shelf
Lever-type unidirectional bull stick on face；Unidirectional bull stick is horizontally disposed with；The inner side arm of unidirectional bull stick is resistance arm, and outer side arm is
Power arm, the length of resistance arm is more than the length of power arm；The end face of power arm is provided with at fulcrum and is pressed over adjustable shelf
Non-return block on incline portion moulding.
When described adjustable shelf moves up and down, the outer end of the power arm of unidirectional bull stick is pressed against with corresponding position projection and is connected.
The distribution in two diagonal positions of the bottom surface of described fixed mount is provided with the sleeve pipe of two hollows, each sleeve pipe
The two ends mouth of pipe in be all inserted with expansion link, the outer end of expansion link be provided with by turning handle adjust height leg.
Four corners of described adjustable shelf bottom surface are equipped with guide roller, and the recessed race activity of guide roller is pressed over solid
Determine on the rib of frame correspondence incline portion moulding；The bottom of guide roller is provided with damping spring；When adjustable shelf is preferably minimized, damping
The bottom of spring is pressed on the end face of corresponding position sleeve pipe.
Being additionally provided with the foundation being connected with adjustable shelf bottom surface in the spring coil of described damping spring, the length of damping spring is big
Length in foundation.
Four corners of the bottom surface of described fixed mount are additionally provided with universal wheel.
The apparatus for controlling of lifting of described electric winch is that the control knob plate put and be located at adjustable shelf top face is by electricity
Cable is connected with the motor control assembly of electric winch.
It is additionally provided with cat ladder on one side of described fixed mount.
The beneficial effects of the utility model are: owing to described adjustable shelf and fixed mount are square frame-shaped support body, adjustable shelf
It is set in the framework of fixed mount；Described anti-fall device include four groups each other in rotationally symmetrical setting one-way non-return dress
Put；Often group one-way non-return device include the projection on multiple moulding side, an incline portion being disposed on fixed mount up and down,
A piece fulcrum is arranged on the lever-type unidirectional bull stick on the moulding side, corresponding incline portion of adjustable shelf；Unidirectional bull stick level sets
Put；The inner side arm of unidirectional bull stick is resistance arm, and outer side arm is power arm, and the length of resistance arm is more than the length of power arm；
The end face of power arm is provided with the non-return block on the incline portion moulding being pressed over adjustable shelf at fulcrum.
Therefore, when adjustable shelf freely raises, all can be by the power jib of one-way non-return device at each height gear
Being located on the projection at respective heights, when the miscellaneous part of crane is out of order, adjustable shelf is all without falling, and reliability is higher, single
People is the most operable, and using effect is more preferable.
Accompanying drawing explanation
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings.Wherein:
Fig. 1 is overall schematic of the present utility model；
Fig. 2 is the schematic diagram of the holder segment in this utility model；
Fig. 3 is the schematic diagram of the adjustable shelf part in this utility model；
Fig. 4 is the omission schematic diagram in a corner in this utility model；
Fig. 5 is the omission schematic diagram of another line of vision in a corner in this utility model.
Marker number in accompanying drawing is described as follows: fixed mount 1, adjustable shelf 2, projection 3, unidirectional bull stick 4, turning handle 5,
Leg 6, expansion link 7, universal wheel 8, sleeve pipe 9, electric winch 10, damping spring 11, guide roller 12, wirerope 13,
Fixed pulley 14, cat ladder 15, non-return block 16, foundation 17.
Detailed description of the invention
Embodiment of the present utility model, as shown in Figures 1 to 5.A kind of safe and reliable crane, including fixed mount 1, lives
Moving frame 2, be located at the electric winch 10 of fixed mount 1 lower outside, the apparatus for controlling of lifting of electric winch 10, adjustable shelf 2 anti-fall
Device；The wirerope 13 that electric winch 10 is in transmission connection is by being located at fixed pulley 14 and adjustable shelf 2 company of pulling at fixed mount 1 top
Connect；Described adjustable shelf 2 and fixed mount 1 are square frame-shaped support body, and adjustable shelf 2 is set in the framework of fixed mount 1；Described is anti-
Fall device includes four groups of one-way non-return devices in rotationally symmetrical setting each other；Often group one-way non-return device include multiple up and down
3, the fulcrum of projection being disposed on the moulding side, an incline portion of fixed mount 1 is arranged on the respective side of adjustable shelf 2
Lever-type unidirectional bull stick 4 on moulding side, rib portion；Unidirectional bull stick 4 is horizontally disposed with；The inner side arm of unidirectional bull stick 4 is resistance
Arm, outer side arm is power arm, and the length of resistance arm is more than the length of power arm；The end face of power arm is provided with at fulcrum and leans on
It is pressed in the non-return block 16 on the incline portion moulding of adjustable shelf 2.
When described adjustable shelf 2 moves up and down, the outer end of the power arm of unidirectional bull stick 4 is pressed against with corresponding position projection 3 and is connected.
The distribution in two diagonal positions of the bottom surface of described fixed mount 1 is provided with the sleeve pipe 9, Mei Getao of two hollows
All being inserted with expansion link 7 in the two ends mouth of pipe of pipe 9, the outer end of expansion link 7 is provided with the leg 6 being adjusted height by turning handle 5.
Four corners of described adjustable shelf 2 bottom surface are equipped with guide roller 12, and the recessed race activity of guide roller 12 is leaned on
It is pressed on the rib of fixed mount 1 corresponding incline portion moulding；The bottom of guide roller 12 is provided with damping spring 11；Adjustable shelf 2 drops to
During lowest order, the bottom of damping spring 11 is pressed on the end face of corresponding position sleeve pipe 9.
The foundation 17 being connected with adjustable shelf 2 bottom surface, damping spring 11 it is additionally provided with in the spring coil of described damping spring 11
Length more than the length of foundation 17.
Four corners of the bottom surface of described fixed mount 1 are additionally provided with universal wheel 8.
The apparatus for controlling of lifting of described electric winch 10 is that the control knob plate put and be located at adjustable shelf 2 top face passes through
Cable is connected with the motor control assembly of electric winch 10.
It is additionally provided with cat ladder 15 on one side of described fixed mount 1.
Operation principle of the present utility model is: during use, first the crane being provided with universal wheel 8 is dragged to working position, by four
Root expansion link 7 pulls out from sleeve pipe 9, rotates each turning handle 5 and each leg 6 is supported on ground, and the most whole support body is solid and reliable,
Now adjustable shelf 2 is in lowest order, and operator first first works at low level along cat ladder 15 climbing to adjustable shelf 2 end face, raise
Time, as long as operator presses the corresponding button on control knob plate, electric winch 10 is pulled by fixed pulley 14 by wirerope 13
Adjustable shelf 2 raises.When adjustable shelf 2 is increased to respective notch height, one-way non-return device works, the power arm of unidirectional bull stick 4
The end face first bottom surface with corresponding position projection 3 of outer end be pressed against, when adjustable shelf 2 continues rising, the power arm of unidirectional bull stick 4 is being lived
Moving frame 2 rises gravity i.e. " resistance " of the resistance arm overcoming unidirectional bull stick 4 under the effect of " power " and starts to rotate, when on power arm
After rising and turning to cross projection 3, owing to the length of resistance arm is more than the length of power arm, unidirectional bull stick 4 is at the weight of resistance arm
Recovering level under power effect, be not rotated further by under the effect of non-return block 16, it is right that the bottom surface of each power arm presses up against
The end face of the projection 3 that should locate, supports adjustable shelf 2.
Arranging guide roller 12, the recessed race activity of guide roller 12 is pressed over the rib of fixed mount 1 corresponding incline portion moulding
On adjustable shelf 2 can be made when rising, to have individual guide rail, the most steady.
Arrange damping spring 11 can make to lower adjustable shelf 2 position on earth time can " soft landing ".
Foundation 17 is set, and the length of damping spring 11 is more than the length of foundation 17, adjustable shelf 2 can be made to live when lowest order
Moving frame 2 can also have the bottom fulcrum of rigidity to carry out load-bearing after being compressed by damping spring 11.
Finally adjustable shelf 2 is reset to position, the end time, operator is first lower to ground, by the resistance arm of each unidirectional bull stick 4
All upwards turn 90 degrees, press again resistance arm is all gone back to after adjustable shelf 2 is fallen by the corresponding button on control knob plate former
Position.
This utility model is not limited only to above-mentioned specific embodiment.It is understood that without departing from essence of the present utility model
In the case of god and essential scope, can make various changes and modifications, these all should be included in protection model of the present utility model
Within enclosing.
Claims (8)
1. a safe and reliable crane, including fixed mount, adjustable shelf, is located at the electric winch of fixed mount lower outside, electricity
The dynamic apparatus for controlling of lifting of winch, the anti-fall device of adjustable shelf；The wirerope that electric winch is in transmission connection is by being located at fixed mount top
The fixed pulley in portion pulls with adjustable shelf and is connected；It is characterized in that: described adjustable shelf and fixed mount are square frame-shaped support body, movable
Frame is set in the framework of fixed mount；Described anti-fall device include four groups each other in rotationally symmetrical setting one-way non-return dress
Put；Often group one-way non-return device include the projection on multiple moulding side, an incline portion being disposed on fixed mount up and down,
A piece fulcrum is arranged on the lever-type unidirectional bull stick on the moulding side, corresponding incline portion of adjustable shelf；Unidirectional bull stick level sets
Put；The inner side arm of unidirectional bull stick is resistance arm, and outer side arm is power arm, and the length of resistance arm is more than the length of power arm；
The end face of power arm is provided with the non-return block on the incline portion moulding being pressed over adjustable shelf at fulcrum.
A kind of safe and reliable crane the most according to claim 1, it is characterised in that: described adjustable shelf moves up and down
Time, the outer end of the power arm of unidirectional bull stick is pressed against with corresponding position projection and is connected.
A kind of safe and reliable crane the most according to claim 2, it is characterised in that: the bottom surface of described fixed mount
In two diagonal positions, distribution is provided with the sleeve pipe of two hollows, is all inserted with expansion link in the two ends mouth of pipe of each sleeve pipe,
The outer end of expansion link is provided with the leg being adjusted height by turning handle.
A kind of safe and reliable crane the most according to claim 3, it is characterised in that: the four of described adjustable shelf bottom surface
Individual corner is equipped with guide roller, and the recessed race activity of guide roller is pressed on the rib of fixed mount correspondence incline portion moulding；Lead
The bottom of way roller is provided with damping spring；When adjustable shelf is preferably minimized, the bottom of damping spring is pressed on corresponding position sleeve pipe
End face.
A kind of safe and reliable crane the most according to claim 4, it is characterised in that: the spring coil of described damping spring
Inside being additionally provided with the foundation being connected with adjustable shelf bottom surface, the length of damping spring is more than the length of foundation.
A kind of safe and reliable crane the most according to claim 5, it is characterised in that: the bottom surface of described fixed mount
Four corners are additionally provided with universal wheel.
A kind of safe and reliable crane the most according to claim 6, it is characterised in that: the lifting of described electric winch
Controlling device is that the control knob plate put and be located at adjustable shelf top face is connected by the motor control assembly of cable with electric winch
Connect.
A kind of safe and reliable crane the most according to claim 7, it is characterised in that: a side of described fixed mount
Cat ladder it is additionally provided with on face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620631462.8U CN205676111U (en) | 2016-06-23 | 2016-06-23 | A kind of safe and reliable crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620631462.8U CN205676111U (en) | 2016-06-23 | 2016-06-23 | A kind of safe and reliable crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205676111U true CN205676111U (en) | 2016-11-09 |
Family
ID=57429160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620631462.8U Expired - Fee Related CN205676111U (en) | 2016-06-23 | 2016-06-23 | A kind of safe and reliable crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205676111U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105947941A (en) * | 2016-06-23 | 2016-09-21 | 福建省三明华丰机械有限公司 | Safe and reliable lifting frame |
| CN107364813A (en) * | 2017-07-11 | 2017-11-21 | 河北卓达建材研究院有限公司 | A kind of improved flexible lifting and driving machine |
-
2016
- 2016-06-23 CN CN201620631462.8U patent/CN205676111U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105947941A (en) * | 2016-06-23 | 2016-09-21 | 福建省三明华丰机械有限公司 | Safe and reliable lifting frame |
| CN107364813A (en) * | 2017-07-11 | 2017-11-21 | 河北卓达建材研究院有限公司 | A kind of improved flexible lifting and driving machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Safe and reliable lifting frame Effective date of registration: 20181011 Granted publication date: 20161109 Pledgee: Industrial Bank Limited by Share Ltd. Sanming branch Pledgor: SANMING HUAFENG MACHINERY CO.,LTD. Registration number: 2018350000116 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20191009 Granted publication date: 20161109 Pledgee: Industrial Bank Limited by Share Ltd. Sanming branch Pledgor: SANMING HUAFENG MACHINERY CO.,LTD. Registration number: 2018350000116 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Safe and reliable lifting frame Effective date of registration: 20191011 Granted publication date: 20161109 Pledgee: Industrial Bank Limited by Share Ltd. Sanming branch Pledgor: SANMING HUAFENG MACHINERY CO.,LTD. Registration number: Y2019350000038 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161109 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |