CN203357379U - pin shaft plugging device and engineering machinery - Google Patents
pin shaft plugging device and engineering machinery Download PDFInfo
- Publication number
- CN203357379U CN203357379U CN 201320451323 CN201320451323U CN203357379U CN 203357379 U CN203357379 U CN 203357379U CN 201320451323 CN201320451323 CN 201320451323 CN 201320451323 U CN201320451323 U CN 201320451323U CN 203357379 U CN203357379 U CN 203357379U
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- Prior art keywords
- bearing pin
- pull
- stay cord
- guide
- pin plug
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- Expired - Lifetime
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- 238000000034 method Methods 0.000 description 11
- 239000003921 oil Substances 0.000 description 10
- 230000008569 process Effects 0.000 description 9
- 238000009434 installation Methods 0.000 description 6
- 238000005381 potential energy Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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Abstract
The utility model relates to a round pin axle plug device and engineering machine tool, it discloses a round pin axle plug device, including round pin axle (1), wherein, this round pin axle plug device still includes stay cord (40), elastic component (3) and guide (20), the extending direction and the confession of guide (20) the extending direction in round pin axle hole that round pin axle (1) inserted or extracted aligns, round pin axle (1) is located in guide (20), and by elastic component (3) orientation round pin axle hole bias voltage, the one end of stay cord (40) with the afterbody of round pin axle (1) is fixed, and the other end is followed the afterbody of guide (20) stretches out. Furthermore, the utility model also discloses an engineering machine tool. The pin shaft (1) can be pulled out from the pin shaft hole by the pull rope (40) fixed at the tail of the pin shaft (1), and the pin shaft (1) can be pressed into the pin shaft hole by the elastic part (3), so that an operator can realize remote control of plugging and unplugging of the pin shaft (1) by matching the pull rope (40) with the elastic part (3).
Description
Technical field
The engineering machinery that the utility model relates to a kind of bearing pin plug-in and pull-off device and comprises this pin pulling out device.
Background technology
In engineering machinery field, because there are the factors such as installing space is narrow, work high above the ground is dangerous in many connection bearing pins on crawler crane, the automatic pin inserting-pulling technology has multiple utilization on crawler crane.At present, engineering machinery adopts oil cylinder to realize the plug of bearing pin more, has improved the automaticity of operation, and when reduction is dangerous, implementation efficiency promotes.For example: in crawler crane counterweight Self-loading-unloading process, counterweight base plate and turntable to be connected bearing pin place working space limited, operating personnel have been difficult to installation, and have counterweight to topple over to cause the risk of personal injury, therefore adopt oil cylinder with pin to realize the plug of bearing pin.
Fig. 1 is the schematic diagram that employing oil cylinder with pin of the prior art is realized the plug of bearing pin, as can be seen from the figure, in counterweight 2 ' Self-loading-unloading process, at first counterweight 2 ' block pattern row pattern is also fixing on the counterweight base plate, the counterweight jacking cylinder is by counterweight 2 ' jack-up afterwards, until the axis hole on base plate aligns with turntable bottom installing hole, now oil cylinder with pin 1 ' is worked, by the bearing pin installing hole of packing into, complete the installation of counterweight 2 '.Correspondingly, the process of pulling pin is contrary with installation process.
The defect that above-mentioned prior art exists has:
1. the cost of hydraulic jack, control valve, oil pipe is higher;
2. the hydraulic part increased causes system reliability to reduce, and for example, the oil cylinder with pin on crawler crane boom often needs tens meters long hydraulic oil pipes to connect main frame, and long oil circuit has increased the leakage of oil risk.
Given this, need to provide a kind of novel bearing pin plug-in and pull-off device, to overcome or to alleviate above-mentioned defect
The utility model content
A purpose of the present utility model is to provide a kind of simple in structure and can realize the bearing pin plug-in and pull-off device of remote insert-pull pin operation.
Another purpose of the present utility model is to provide a kind of engineering machinery, the bearing pin plug-in and pull-off device that this project machinery uses the utility model to provide.
To achieve these goals, the utility model provides a kind of bearing pin plug-in and pull-off device, comprise bearing pin, wherein, this bearing pin plug-in and pull-off device also comprises stay cord, elastic component and guide, and the bearing of trend of described guide aligns with the bearing of trend of the pin shaft hole that inserts or extract for described bearing pin, described bearing pin is positioned at described guide, and by described elastic component towards described pin shaft hole bias voltage, an end of described stay cord and the afterbody of described bearing pin are fixed, the other end stretches out from the afterbody of described guide.
Preferably, described elastic component is Compress Spring, and this Compress Spring one end is against the afterbody of described bearing pin, and the other end is against the afterbody of described guide.
Preferably, described bearing pin plug-in and pull-off device also comprises the tumbler that makes described stay cord turn to, and described stay cord at least comprises first paragraph, second segment and the 3rd section, and described second segment, on described tumbler, and has angle between described first paragraph and the 3rd section.
Preferably, the described first paragraph that described tumbler is arranged so that described stay cord and the axis coaxle of described bearing pin or parallel.
Preferably, described bearing pin plug-in and pull-off device also comprises manipulation device, and the described other end of described stay cord is fixedly connected with described manipulation device.
Preferably, described manipulation device comprises bearing, have the lever of rotating part and connecting portion and, for the stop part of the described lever of backstop, described rotating part is articulated in described bearing, and the other end of described stay cord is fixedly connected on described connecting portion.
Preferably, on described connecting portion, have lacing hole, the other end of described stay cord is fixedly connected on described connecting portion through described lacing hole, and the quantity of described lacing hole is a plurality of, and the length direction along described lever is arranged at interval successively on described connecting portion.
Preferably, described manipulation device is capstan winch, and described stay cord is wrapped on described capstan winch.
Preferably, described guide is cylindrical structure, and the afterbody of described guide has the rope through passed for described stay cord.
In addition, the utility model also provides a kind of engineering machinery, wherein, the bearing pin plug-in and pull-off device described in technique scheme is installed on described engineering machinery.
Pass through technique scheme, owing to bearing pin can being pulled out from pin shaft hole with the fixing stay cord of bearing pin afterbody, and elastic component can be by bearing pin pressure pin axis hole, therefore the end away from bearing pin that can the direct pull stay cord when the operator is far away apart from bearing pin, thereby realize the plug of far distance controlled bearing pin by being used in conjunction with of stay cord and elastic component, and then can solve the problem of the work high above the ground danger such as operational difficulty and jib installation in narrow space, in addition, the parts that adopt due to above-mentioned bearing pin plug-in and pull-off device are simple ripe mechanical component, thereby improved the reliability of this device and reduced production cost.
Other feature and advantage of the present utility model will partly be described in detail in the specific embodiment subsequently.
The accompanying drawing explanation
Accompanying drawing is to be used to provide further understanding of the present utility model, and forms the part of specification, is used from explanation the utility model with the following specific embodiment one, but does not form restriction of the present utility model.In the accompanying drawings:
Fig. 1 adopts oil cylinder with pin to realize the schematic diagram of the plug of bearing pin in crawler crane of the prior art;
Fig. 2 is the structural representation that shows the plug-in and pull-off device of the bearing pin according to embodiment of the present utility model in the process of pulling pin;
Fig. 3 is the structural representation that shows the plug-in and pull-off device of the bearing pin according to embodiment of the present utility model in the latch process;
Fig. 4 is according to the bearing pin of embodiment of the present utility model and the structural representation of guide; And
Fig. 5 is the structural representation according to the lever of embodiment of the present utility model.
Description of reference numerals
1 ' oil cylinder with pin 2 ' counterweight
1 bearing pin 3 elastic components
5 tumbler 7 bearings
8 stop member 20 guides
21 rope through 40 stay cords
41 first paragraph 42 second segments
43 the 3rd sections 60 levers
61 rotating part 62 connecting portions
63 lacing holes
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is elaborated.Should be understood that, the specific embodiment described herein only, for description and interpretation the utility model, is not limited to the utility model.
In the utility model, in the situation that do not do contrary explanation, the noun of locality of use typically refers to reference to upper and lower, left and right shown in the drawings as " upper and lower, left and right "; " inside and outside " refers to inside and outside with respect to the profile of each parts itself.
According to an aspect of the present utility model, referring to Fig. 2, a kind of bearing pin plug-in and pull-off device is provided, and this bearing pin plug-in and pull-off device comprises bearing pin 1, wherein, this bearing pin plug-in and pull-off device also comprises stay cord 40, elastic component 3 and guide 20, the bearing of trend of guide 20 aligns with the bearing of trend of the pin shaft hole that inserts or extract for bearing pin 1, and bearing pin 1 is positioned at guide 20, and by elastic component 3 towards the pin shaft hole bias voltage, one end of stay cord 40 and the afterbody of bearing pin 1 are fixed, and the other end stretches out from the afterbody of guide 20.It should be noted that, it is to pass in and out swimmingly pin shaft hole in order to make bearing pin 1 can take guide 20 as tracks that the bearing of trend of guide 20 aligns with the bearing of trend of the pin shaft hole that inserts or extract for bearing pin 1, guide 20 can be fixed near pin shaft hole particularly, and the head of guide 20 is alignd with the porch of pin shaft hole.Wherein, the afterbody of bearing pin 1 refers to an end that deviates from pin shaft hole of bearing pin 1; and an end of stay cord 40 and the afterbody of bearing pin 1 are fixing just in order to pull better bearing pin 1; the utility model is not limited to this embodiment, even stay cord 40 is fixed in other positions of bearing pin 1, also should fall into protection domain of the present utility model.
As mentioned above, owing to bearing pin 1 can being pulled out from pin shaft hole with the fixing stay cord 40 of bearing pin 1 afterbody, and elastic component 3 can be by bearing pin 1 pressure pin axis hole, therefore the end away from bearing pin 1 that can direct pull stay cord 40 when the operator is far away apart from bearing pin 1, thereby the plug that realizes far distance controlled bearing pin 1 that is used in conjunction with by stay cord 40 with elastic component 3, and then can solve the problem of the work high above the ground danger such as operational difficulty and jib installation in narrow space, in addition, the parts that adopt due to above-mentioned bearing pin plug-in and pull-off device are simple ripe mechanical component, thereby improved the reliability of this device and reduced production cost.
According to embodiment of the present utility model, preferably, elastic component 3 is for being positioned at the Compress Spring of guide 20 inside, this Compress Spring one end is against the afterbody of bearing pin 1, the other end is against the afterbody of guide 20, therefore, stay cord 40 can draw and pass Compress Spring inside from the afterbody of bearing pin 1 and stretches out from the afterbody of guide 20.Like this, when stay cord 40 is pulled out bearing pin 1 from pin shaft hole, can indirectly pull Compress Spring between the afterbody of the afterbody of bearing pin 1 and guide 20 so that its compressed distortion store deformation energy (elastic potential energy), this deformation energy is for by bearing pin 1 pressure pin axis hole.Due in the situation that therefore the different Compress Springs that can select different sizes make adaptability of the present utility model more extensive.Although the utility model feeding has gone out the embodiment of Compress Spring, but the utility model is not limited to this, such as also adopting the element that extension spring etc. can storage elasticity potential energy, as long as can realize the function in bearing pin 1 pressure pin axis hole, repeat no more here.
In addition, between direction for the direction of the power that makes to pull stay cord 40 and bearing pin 1 turnover pin shaft hole, have a certain degree so that the operator can realize the plug to bearing pin in more position, preferably, described bearing pin plug-in and pull-off device also comprises the tumbler 5 that makes stay cord 40 turn to, stay cord 40 at least comprises first paragraph 41, second segment 42 and the 3rd section 43, second segment 42 is on tumbler 5, and there is angle between first paragraph 41 and the 3rd section 43, here, the direction that pulls the power of stay cord 40 is the bearing of trend of the 3rd section 43, the direction of bearing pin 1 turnover pin shaft hole is the bearing of trend of first paragraph 41.And here, tumbler 5 is preferably pulley, certainly, the quantity of pulley can be for a plurality of, now stay cord 40 can comprise more section, with the position of the final force side of the bearing of trend that can constantly change stay cord 40 and stay cord 40, thereby adapts to more complicated working space.
In addition, for make bearing pin 1 can be in guide 20 motion glibly, catching phenomenon does not appear, the described first paragraph 41 that tumbler 5 is arranged so that stay cord 40 and the axis coaxle of bearing pin 1 or parallel, and be preferably coaxially.
In addition, for the handled easily person, to stay cord 40 application of forces, described bearing pin plug-in and pull-off device also comprises manipulation device, and the described other end of stay cord 40 is fixedly connected with described manipulation device.
As shown in Figure 2 and Figure 5, according to embodiment of the present utility model, described manipulation device comprises bearing 7, have the lever 60 of rotating part 61 and connecting portion 62 and, for the stop part 8 of backstop lever 60, rotating part 61 is articulated in bearing 7, and the other end of stay cord 40 is fixedly connected on connecting portion 62.Here, province's stress effect of lever 60 can make the operator use the pulling force more much smaller than spring force to pull Compress Spring, thereby reduces operator's labour intensity.And preferably, have lacing hole 63 on connecting portion 2, the other end of stay cord 40 is fixedly connected on connecting portion 62 through lacing hole 63, and the quantity of lacing hole 63 is a plurality of, and the length direction along lever 60 is arranged at interval successively on connecting portion 62.Be understandable that, the lacing hole 63 that stay cord 40 passes is nearer apart from rotating part 61, by lever 60, pulls the required power of stay cord 40 less, because make applicability of the present utility model more extensive.
Replacedly, described manipulation device is capstan winch, and stay cord 40 is wrapped on capstan winch, and the utility model is not limited to this.
Referring to Fig. 2 and Fig. 4, according to embodiment of the present utility model, guide 20 is cylindrical structure, and the afterbody of described guide 20 has the rope through 21 passed for stay cord 40.Here it should be noted that, the afterbody of guide 20 is heads of relative guide 20, and they are respectively the two ends of guide 20, concrete, and an end of the close pin shaft hole of guide 20 is head, and the end away from pin shaft hole of guide 20 is afterbody.
Below only provided according to the discrete component in the bearing pin plug-in and pull-off device of embodiment of the present utility model or the operation principle between subelement.
Latch according to the bearing pin plug-in and pull-off device of embodiment of the present utility model is described with the operation principle of order pin below in conjunction with accompanying drawing globality ground.
Fig. 2 is the structural representation that shows the plug-in and pull-off device of the bearing pin according to embodiment of the present utility model in the process of pulling pin.As can be seen from the figure, in the time of bearing pin 1 need to being extracted from pin shaft hole, pull in the counterclockwise direction lever 60, lever 60 is delivered to the pulling force after amplifying on stay cord 40, stay cord 40 drives the resistance of bearing pin 1 overcome friction and Compress Spring, from pin-and-hole, exit, simultaneously, the compressed distortion of Compress Spring is to store deformation energy (elastic potential energy), installation (latch) for next step bearing pin 1, when bearing pin 1 is extracted fully, lever 60 is fixing in case non-return bullet (rotating along clockwise direction) by stop part 8.
Fig. 3 is the structural representation that shows the plug-in and pull-off device of the bearing pin according to embodiment of the present utility model in the latch process.As can be seen from the figure, bearing pin 1 by guide 20 with on member to be installed pin shaft hole align, therefore in the time of bearing pin 1 need to being inserted to pin shaft hole, then the operator unclamps lever 60 and slowly discharges from stop part 8, and the thrust that stores the Compress Spring of deformation energy (elastic potential energy) can head into pin shaft hole until bearing pin 1 is fully in place lentamente by bearing pin 1.Thrust in this process depends on the rigidity of Compress Spring, needs the occasion of high thrust to select the Compress Spring that rigidity is larger to get final product.In addition, because the operator utilizes lever 60, pind down the elongation of Compress Spring, thereby guaranteed that installation (latch) process is steadily smooth.
According to another aspect of the present utility model, the utility model also provides a kind of engineering machinery, wherein, on described engineering machinery, is equipped with according to the bearing pin plug-in and pull-off device described in the claims.Especially, described engineering machinery is crawler crane, and the multiple connection bearing pin on this crawler crane can adopt described bearing pin plug-in and pull-off device to be plugged operation.
Below describe by reference to the accompanying drawings preferred embodiment of the present utility model in detail; but; the utility model is not limited to the detail in above-mentioned embodiment; in technical conceive scope of the present utility model; can carry out multiple simple variant to the technical solution of the utility model, these simple variant all belong to protection domain of the present utility model.
It should be noted that in addition each the concrete technical characterictic described in the above-mentioned specific embodiment, in reconcilable situation, can be combined by any suitable mode.For fear of unnecessary repetition, the utility model is to the explanation no longer separately of various possible combinations.
In addition, between various embodiment of the present utility model, also can carry out any combination, as long as it is without prejudice to thought of the present utility model, it should be considered as content disclosed in the utility model equally.
Claims (10)
1. a bearing pin plug-in and pull-off device, comprise bearing pin (1), it is characterized in that, this bearing pin plug-in and pull-off device also comprises stay cord (40), elastic component (3) and guide (20), the bearing of trend of described guide (20) aligns with the bearing of trend of the pin shaft hole that inserts or extract for described bearing pin (1), described bearing pin (1) is positioned at described guide (20), and by described elastic component (3) towards described pin shaft hole bias voltage, the afterbody of one end of described stay cord (40) and described bearing pin (1) is fixed, and the other end stretches out from the afterbody of described guide (20).
2. bearing pin plug-in and pull-off device according to claim 1, is characterized in that, described elastic component (3) is Compress Spring, and this Compress Spring one end is against the afterbody of described bearing pin (1), and the other end is against the afterbody of described guide (20).
3. bearing pin plug-in and pull-off device according to claim 1, it is characterized in that, described bearing pin plug-in and pull-off device also comprises the tumbler (5) that makes described stay cord (40) turn to, described stay cord (40) at least comprises first paragraph (41), second segment (42) and the 3rd section (43), described second segment (42) is upper around described tumbler (5), and has angle between described first paragraph (41) and the 3rd section (43).
4. bearing pin plug-in and pull-off device according to claim 3, is characterized in that, the described first paragraph (41) that described tumbler (5) is arranged so that described stay cord (40) and the axis coaxle of described bearing pin (1) or parallel.
5. according to the described bearing pin plug-in and pull-off device of any one in claim 1 to 4, it is characterized in that, described bearing pin plug-in and pull-off device also comprises manipulation device, and the described other end of described stay cord (40) is fixedly connected with described manipulation device.
6. bearing pin plug-in and pull-off device according to claim 5, it is characterized in that, described manipulation device comprises bearing (7), have the lever (60) of rotating part (61) and connecting portion (62) and for the stop part (8) of the described lever of backstop (60), described rotating part (61) is articulated in described bearing (7), and the other end of described stay cord (40) is fixedly connected on described connecting portion (62).
7. bearing pin plug-in and pull-off device according to claim 6, it is characterized in that, there is lacing hole (63) on described connecting portion (62), the other end of described stay cord (40) is fixedly connected on described connecting portion (62) through described lacing hole (63), the quantity of described lacing hole (63) is a plurality of, and arranges at interval successively at the upper length direction along described lever (60) of described connecting portion (62).
8. bearing pin plug-in and pull-off device according to claim 5, is characterized in that, described manipulation device is capstan winch, and described stay cord (40) is wrapped on described capstan winch.
9. according to the described bearing pin plug-in and pull-off device of any one in claim 1 to 4, it is characterized in that, described guide (20) is cylindrical structure, and the afterbody of described guide (20) has the rope through (21) passed for described stay cord (40).
10. an engineering machinery, is characterized in that, on described engineering machinery, is equipped with according to the described bearing pin plug-in and pull-off device of any one in claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320451323 CN203357379U (en) | 2013-07-26 | 2013-07-26 | pin shaft plugging device and engineering machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320451323 CN203357379U (en) | 2013-07-26 | 2013-07-26 | pin shaft plugging device and engineering machinery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203357379U true CN203357379U (en) | 2013-12-25 |
Family
ID=49805198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320451323 Expired - Lifetime CN203357379U (en) | 2013-07-26 | 2013-07-26 | pin shaft plugging device and engineering machinery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203357379U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105108485A (en) * | 2015-09-08 | 2015-12-02 | 连云港市天意消防器材有限公司 | Fire extinguisher conduit assembly machine |
| CN110253491A (en) * | 2019-06-28 | 2019-09-20 | 三一重机有限公司 | Pressure pin device |
-
2013
- 2013-07-26 CN CN 201320451323 patent/CN203357379U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105108485A (en) * | 2015-09-08 | 2015-12-02 | 连云港市天意消防器材有限公司 | Fire extinguisher conduit assembly machine |
| CN110253491A (en) * | 2019-06-28 | 2019-09-20 | 三一重机有限公司 | Pressure pin device |
| CN110253491B (en) * | 2019-06-28 | 2024-06-25 | 三一重机有限公司 | Pin pressing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131225 |
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| CX01 | Expiry of patent term |