CN209685173U - A kind of crane height limiting device - Google Patents
A kind of crane height limiting device Download PDFInfo
- Publication number
- CN209685173U CN209685173U CN201920497756.XU CN201920497756U CN209685173U CN 209685173 U CN209685173 U CN 209685173U CN 201920497756 U CN201920497756 U CN 201920497756U CN 209685173 U CN209685173 U CN 209685173U
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- CN
- China
- Prior art keywords
- crane
- sliding block
- fixedly connected
- crane arm
- spring
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- 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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- Control And Safety Of Cranes (AREA)
Abstract
The utility model discloses a kind of crane height limiting devices, including crane arm, the upper surface of the crane arm, which is run through, is slidably fitted with lifting rope, the lower end of the lifting rope is fixedly connected with fixed block, the lower surface of the fixed block is fixedly connected with suspension hook, the lower surface of the crane arm is fixedly installed with fixed cylinder, and the lower end insertion of the fixed cylinder is slidably fitted with slide bar, and the lower end two sides of the slide bar are rotatably connected to fixed link.The utility model relates to crane technical fields, the crane height limiting device, it is vertically connected with second spring by the upper end of slide bar, when suspension hook will be close to crane arm, under the collective effect of the first spring and second spring, buffer function can be played to lifting rope, to play a decelerating effect to lifting rope, then make to touch bar slowly to travel switch movement, to touch travel switch, make suspension hook stop rising, good height limitation is played to suspension hook.
Description
Technical field
The utility model relates to crane technical field, specially a kind of crane height limiting device.
Background technique
Crane refers to more movement hoisting machineries of vertical-lift in a certain range and horizontal carrying heavy goods, also known as day
Vehicle, hanging, crane, crane work characteristics are to do intermittent exercise, i.e., feeding, migration, unloading etc. in a working cycles
The corresponding mechanism of movement is to work alternatively, and crane develops in the market and use is more and more extensive, due to not having to supporting leg
Often there are some accidents in hoist and hoist traveling, and the speed of traveling is also fast compared with crawler crane (crawler crane)；Operation is stable, rises
Weight is big, hoist can walk in particular range but must assure that path formation is solid, tire pressure meets the requirements, hangs ground
Face must not exceed 50CM；Forbid on-load to walk over long distances, needs to carry out height limit to crane in crane work, prevent
Only the suspension hook of crane breaks boom when rising.
But at work, the height limit of crane is controlled only by height limitator for crane at present
System, although can be realized height limit in this way, effect is poor, and damage phenomenon is easy to happen after long-time use.
Utility model content
In view of the deficiencies of the prior art, the utility model provides a kind of crane height limiting device, solves mesh
The height limit of preceding crane is controlled only by height limitator, although can be realized height limit in this way, effect
Fruit is poor, and damage phenomenon problem is easy to happen after long-time use.
In order to achieve the above object, the utility model is achieved by the following technical programs: a kind of crane height limit
Position device, including crane arm, through lifting rope is slidably fitted with, the lower end of the lifting rope is fixedly connected for the upper surface of the crane arm
There is fixed block, the lower surface of the fixed block is fixedly connected with suspension hook, and the lower surface of the crane arm is fixedly installed with fixed cylinder,
The lower end insertion of the fixed cylinder is slidably fitted with slide bar, and the lower end two sides of the slide bar are rotatably connected to fixed link, described
One end of fixed link is fixedly connected with sliding block, and the lower surface of the crane arm offers groove corresponding with sliding block, described recessed
The inner horizontal of slot is connected with fixing axle, and the sliding block is the outer surface that socket is slidably mounted on fixing axle, and the upper end of sliding block
Through the inside upper surface for being slidably mounted on groove, the outer surface of the fixing axle, which is socketed, is provided with the first spring, and described first
One end of spring is fixedly connected with the interior side face of groove, and the fixed company of the one side of the other end of the first spring and sliding block
It connects, the upper surface of the crane arm is provided with limited block, the sliding block and limited block at another side position in the upper end of sliding block
Between be fixedly connected with electronics draw-bar donamometer, the upper end of the slide bar is vertically connected with second spring, the upper end of the second spring
It is fixedly connected with the interior surface of fixed cylinder.
Preferably, the upper surface of the crane arm is fixedly connected with fixed pulley at a side position of limited block, described
One end of lifting rope extend through be slidably mounted on slide bar and second spring, fixed cylinder inside and be slidably mounted on the outer of fixed pulley
Surface.
Preferably, the lower end side of the sliding block is fixedly connected with touching bar, one end lower surface setting of the crane arm
There is travel switch corresponding with touching bar.
Preferably, the lower end of the slide bar is fixedly connected with block, and the lower surface middle position of the block offers
The hole slot to match with lifting rope.
Preferably, the upper surface of the crane arm offers the sliding groove to match with the upper end of sliding block.
Preferably, one end front surface of the crane arm is fixedly installed with single-chip microcontroller, the electronics draw-bar donamometer and single-chip microcontroller
It is electrically connected, the power supply of the single-chip microcontroller and crane is electrically connected.
Beneficial effect
The utility model provides a kind of crane height limiting device, has compared with prior art following beneficial to effect
Fruit:
(1), a kind of crane height limiting device runs through the inside for being slidably mounted on groove by the upper end of sliding block
The outer surface socket of upper surface, fixing axle is provided with the first spring, and one end of the first spring and the interior side face of groove are fixed
Connection, and the other end of the first spring is fixedly connected with the one side of sliding block, the upper surface of crane arm is another close to the upper end of sliding block
It is provided with limited block at one side position, electronics draw-bar donamometer is fixedly connected between sliding block and limited block, the upper end of slide bar vertically connects
It is connected to second spring, it, can be to hanging under the collective effect of the first spring and second spring when suspension hook will be close to crane arm
Rope plays buffer function, to play a decelerating effect to lifting rope, then makes to touch bar slowly to travel switch movement, thus
Travel switch is touched, makes suspension hook stop rising, good height limitation is played to suspension hook, prevents suspension hook from touching crane arm
On.
(2), a kind of crane height limiting device, by the upper surface of crane arm close to the upper end other side of sliding block
It is provided with limited block at position, electronics draw-bar donamometer is fixedly connected between sliding block and limited block, one end front surface of crane arm is solid
Dingan County is equipped with single-chip microcontroller, and electronics draw-bar donamometer and single-chip microcontroller are electrically connected, and the power supply of single-chip microcontroller and crane is electrically connected, by setting
When setting electronics draw-bar donamometer, when before touching travel switch, it can first stop suspension hook and continue to rise, thus to highly limiting
System, under the double action of draw-bar donamometer and travel switch, can play the role of dual fail-safe, prevent one of damage and can not be right
The height of suspension hook is limited.
Detailed description of the invention
Fig. 1 is the main view of the utility model structure；
Fig. 2 is the scheme of installation of the utility model slide block structure；
Fig. 3 is the scheme of installation of the utility model fixed cylinder and Slide bar structure.
In figure: 1 crane arm, 101 travel switches, 102 fixed pulleys, 103 single-chip microcontrollers, 2 lifting ropes, 3 fixed blocks, 4 suspension hooks, 5 are consolidated
Safety barrel, 6 slide bars, 61 blocks, 7 fixed links, 8 grooves, 9 fixing axles, 10 sliding blocks, 1001 touching bars, 11 limited blocks, 12 electronics pulling force
Table, 13 first springs, 14 second springs.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: a kind of crane height limiting device, including
Crane arm 1, through lifting rope 2 is slidably fitted with, the lower end of lifting rope 2 is fixedly connected with fixed block 3 for the upper surface of crane arm 1, fixed
The lower surface of block 3 is fixedly connected with suspension hook 4, and the lower surface of crane arm 1 is fixedly installed with fixed cylinder 5, the lower end insertion of fixed cylinder 5
Be slidably fitted with slide bar 6, the lower end of slide bar 6 is fixedly connected with block 61, the lower surface middle position of block 61 offer with
The hole slot that lifting rope 2 matches moves in fixed cylinder 5 in order to facilitate fixed block 3 with moving slide-bar 6, and the lower end two sides of slide bar 6 turn
Dynamic to be connected with fixed link 7, one end of fixed link 7 is fixedly connected with sliding block 10, and the lower surface of crane arm 1 offers and 10 phase of sliding block
Corresponding groove 8, the inner horizontal of groove 8 are connected with fixing axle 9, and sliding block 10 is the appearance that socket is slidably mounted on fixing axle 9
Face, and the upper end of sliding block 10 is run through and is slidably mounted on the inside upper surface of groove 8, the outer surface socket of fixing axle 9 are provided with the
One spring 13, one end of the first spring 13 are fixedly connected with the interior side face of groove 8, and the other end and cunning of the first spring 13
The one side of block 10 is fixedly connected, and the upper surface of crane arm 1 offers the sliding groove to match with the upper end of sliding block 10, for side
Just sliding block 10 is slided, and the upper surface of crane arm 1 is provided with limited block 11 at another side position in the upper end of sliding block 10, is risen
The upper surface of weighing arm 1 is fixedly connected with fixed pulley 102 at a side position of limited block 11, and one end of lifting rope 2 extends through
Be slidably mounted on slide bar 6 and second spring 14, fixed cylinder 5 inside and be slidably mounted on the outer surface of fixed pulley 102, in order to
Enough suspension hook 4 is driven to be risen, electronics draw-bar donamometer 12, the lower end one of sliding block 10 are fixedly connected between sliding block 10 and limited block 11
Side is fixedly connected with touching bar 1001, and one end lower surface of crane arm 1 is provided with travel switch corresponding with touching bar 1001
101, one end front surface of crane arm 1 is fixedly installed with single-chip microcontroller 103, and electronics draw-bar donamometer 12 and single-chip microcontroller 103 are electrically connected, single
The power supply of piece machine 103 and crane is electrically connected, and in order to play the role of double insurance, improves the effect of limit, slide bar 6
Upper end is vertically connected with second spring 14, and the upper end of second spring 14 is fixedly connected with the interior surface of fixed cylinder 5.
In use, when suspension hook 4 rises, fixed block 3 is moved at 61 position of block on slide bar 6, as lifting rope 2 is continuous
Rising, fixed block 3 block 61 can be squeezed, to make slide bar 6 slide in fixed cylinder 5, in the bullet of second spring 14
Property under, second spring 14 can prevent slide bar 6 mobile, play certain buffer function, and while slide bar 6 is mobile, slide bar 6 can band
Sliding block 10 in dynamic fixed link 7 slides in fixing axle 9, and under the elasticity of the first spring 13, the first spring 13 can be to sliding block 10
Play the role of deceleration buffer, as sliding block 10 is constantly mobile, the upper end of sliding block 10 will pull electronics draw-bar donamometer 12, when electronics is drawn
When the numerical value of power table 12 reaches certain value, signal is passed into single-chip microcontroller 103, single-chip microcontroller 103 can cut off the power, to prevent to hang
Hook 4 continues to rise, and when electronics draw-bar donamometer 12 is damaged, sliding block 10 will continue to slide in fixing axle 9, makes on sliding block 10
It is constantly mobile to 101 direction of travel switch to touch bar 1001, when touching bar 1001 touches travel switch 101, stroke is opened
Closing 101 can cut off the power, so that suspension hook 4 is prevented to continue to rise, under the action of electronics draw-bar donamometer 12 and travel switch 101, energy
Enough play the role of double insurance.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of crane height limiting device, including crane arm (1), it is characterised in that: the upper surface of the crane arm (1)
Through being slidably fitted with lifting rope (2), the lower end of the lifting rope (2) is fixedly connected with fixed block (3), under the fixed block (3)
Surface is fixedly connected with suspension hook (4), and the lower surface of the crane arm (1) is fixedly installed with fixed cylinder (5), the fixed cylinder (5)
Lower end insertion be slidably fitted with slide bar (6), the lower end two sides of the slide bar (6) are rotatably connected to fixed link (7), described solid
One end of fixed pole (7) is fixedly connected with sliding block (10), and the lower surface of the crane arm (1) offers corresponding with sliding block (10)
The inner horizontal of groove (8), the groove (8) is connected with fixing axle (9), and the sliding block (10) is that socket is slidably mounted on fixation
The outer surface of axis (9), and the inside upper surface for being slidably mounted on groove (8), the fixing axle (9) are run through in the upper end of sliding block (10)
Outer surface socket be provided with the first spring (13), the interior side face of one end of first spring (13) and groove (8) is solid
Fixed connection, and the other end of the first spring (13) is fixedly connected with the one side of sliding block (10), the upper surface of the crane arm (1)
It is provided with limited block (11) at another side position in upper end of sliding block (10), it is solid between the sliding block (10) and limited block (11)
Surely it is connected with electronics draw-bar donamometer (12), the upper end of the slide bar (6) is vertically connected with second spring (14), the second spring
(14) upper end is fixedly connected with the interior surface of fixed cylinder (5).
2. a kind of crane height limiting device according to claim 1, it is characterised in that: the crane arm (1)
Upper surface is fixedly connected with fixed pulley (102) at a side position of limited block (11), and one end of the lifting rope (2) is passed through respectively
Wear be slidably mounted on slide bar (6) and second spring (14), fixed cylinder (5) inside and be slidably mounted on the outer of fixed pulley (102)
Surface.
3. a kind of crane height limiting device according to claim 1, it is characterised in that: under the sliding block (10)
End side is fixedly connected with touching bar (1001), and one end lower surface of the crane arm (1) is provided with and touching bar (1001) phase
Corresponding travel switch (101).
4. a kind of crane height limiting device according to claim 1, it is characterised in that: under the slide bar (6)
End is fixedly connected with block (61), and the lower surface middle position of the block (61) offers the hole to match with lifting rope (2)
Slot.
5. a kind of crane height limiting device according to claim 1, it is characterised in that: the crane arm (1)
Upper surface offers the sliding groove to match with the upper end of sliding block (10).
6. a kind of crane height limiting device according to claim 1, it is characterised in that: the crane arm (1)
One end front surface is fixedly installed with single-chip microcontroller (103), and the electronics draw-bar donamometer (12) and single-chip microcontroller (103) are electrically connected, described
The power supply of single-chip microcontroller (103) and crane is electrically connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920497756.XU CN209685173U (en) | 2019-04-13 | 2019-04-13 | A kind of crane height limiting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920497756.XU CN209685173U (en) | 2019-04-13 | 2019-04-13 | A kind of crane height limiting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209685173U true CN209685173U (en) | 2019-11-26 |
Family
ID=68607698
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920497756.XU Expired - Fee Related CN209685173U (en) | 2019-04-13 | 2019-04-13 | A kind of crane height limiting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209685173U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112497720A (en) * | 2020-12-15 | 2021-03-16 | 吴招娣 | Plastic product processing device |
-
2019
- 2019-04-13 CN CN201920497756.XU patent/CN209685173U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112497720A (en) * | 2020-12-15 | 2021-03-16 | 吴招娣 | Plastic product processing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191126 Termination date: 20200413 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |