CN204138224U - A kind of shock absorber and construction machinery and equipment preventing jib hypsokinesis - Google Patents
A kind of shock absorber and construction machinery and equipment preventing jib hypsokinesis Download PDFInfo
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- CN204138224U CN204138224U CN201420546855.XU CN201420546855U CN204138224U CN 204138224 U CN204138224 U CN 204138224U CN 201420546855 U CN201420546855 U CN 201420546855U CN 204138224 U CN204138224 U CN 204138224U
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- jib
- interior bar
- shock absorber
- outer tube
- hypsokinesis
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Abstract
The utility model discloses a kind of shock absorber preventing jib hypsokinesis, comprise two groups of shock struts arranged side by side, often organize shock strut and comprise interior bar, outer tube and spring, Shears on the lower end of outer tube and turntable or turntable is hinged, the lower end of interior bar is sleeved in the upper end of outer tube, spring housing is contained on interior bar, and the upper end thereof of interior bar installs slide block assembly; The rear side of jib has two arranged side by side slide rails arranged along jib length direction, and two slide block assemblies coordinate with two slide rails respectively and also can slide along slide rail.Before jib hoists, the upper end of interior bar can be positioned at the lower end of slide rail, with the close together of the upper end of outer tube, add the overlap ratio of interior bar and outer tube, reduce the span of shock strut, the deflection of interior bar also reduces thereupon, when playing arm, interior bar ratio is easier to pierce into outer tube, can play arm smoothly; After jib hoists, the upper end of interior bar can move to the top of slide rail, can ensure the maximum luffing scope of jib.The invention also discloses a kind of construction machinery and equipment.
Description
Technical field
The utility model relates to technical field of engineering machinery, particularly relates to a kind of shock absorber preventing jib hypsokinesis.In addition, the utility model also relates to a kind of construction machinery and equipment with above-mentioned shock absorber.
Background technology
In luffing range of cantilever support process, in order to prevent construction machinery and equipment from toppling, counterweight can be set on the turntable of construction machinery and equipment, increase the weight of construction machinery and equipment; Cause hypsokinesis to prevent the luffing of jib from exceeding the maximum, the shock absorber preventing jib hypsokinesis also can be set.
As depicted in figs. 1 and 2, Fig. 1 is a kind of structural representation typically preventing the shock absorber of jib hypsokinesis, and Fig. 2 is the shock absorber distortion schematic diagram shown in Fig. 1.
Shock absorber comprises interior bar 2, outer tube 1 and spring 3, and lower end and the Shears 200 of outer tube 1 are hinged, the upper end of interior bar 2 and the rear side of jib 100 hinged, the upper end of outer tube 1 is set with mutually with the lower end of interior bar 2, and spring 3 is sleeved on interior bar 2.
Jib 100 hoists in process, and reduce gradually with the distance of Shears 200 on rear side of jib 100, the length of shock absorber therebetween also reduces thereupon, in this process, interior bar 2 progresses in outer tube 1, until the position shown in Fig. 1, outer tube 1 is supported in spring 3 one end, the other end supports the hinge-point of the upper end of interior bar 2, now, the length of shock absorber is minimum, supporting arm frame 100, the maximum luffing position of restriction jib 100, can prevent jib 100 hypsokinesis.
In the use procedure of reality, before jib 100 luffing, the span of shock absorber is comparatively large, and interior bar 2 is less with the overlap ratio of outer tube 1 end sleeve holding position, in addition, under gravity, interior bar 2 and outer tube 1 all have distortion to a certain degree, as shown in Figure 2, have made in arm process, in occurring, bar 2 cannot pierce into the situation of outer tube 1, careless slightlyly interior bar 2 also can be caused by not curved.In order to play arm smoothly, sometimes need a whipline interior bar 2 is carried to outer tube 1 coaxial state, whole process takes time and effort, and is not only awkward but also increase cost.
Therefore, how designing and a kind ofly can prevent jib hypsokinesis from jib can be made again to play the shock absorber of arm smoothly, is the technical matters that those skilled in the art are badly in need of solving at present.
Utility model content
The purpose of this utility model is to provide a kind of shock absorber preventing jib hypsokinesis, and this shock absorber can prevent jib hypsokinesis from jib can be made again to play arm smoothly.In addition, another object of the present utility model is to provide a kind of construction machinery and equipment with above-mentioned shock absorber.
In order to realize above-mentioned technical purpose, the utility model provides a kind of shock absorber preventing jib hypsokinesis, comprise two groups of shock struts arranged side by side, often organize described shock strut and comprise interior bar, outer tube and spring, Shears on the lower end of described outer tube and turntable or described turntable is hinged, the lower end of described interior bar is sleeved in the upper end of described outer tube, and described spring housing is contained on described interior bar, and the upper end thereof of described interior bar installs slide block assembly; The rear side of described jib has two arranged side by side slide rails arranged along described jib length direction, and two described slide block assemblies coordinate with two described slide rails respectively and also can slide along described slide rail.
Preferably, described slide rail is cylindrical guide, and described slide block assembly has the pipe coordinated with described cylindrical guide, and the two ends of described cylindrical guide are equipped with positioning plate to limit the end position of described pipe slip.
Preferably, the sidewall of described pipe has opening, and the central angle of described sidewall is greater than 270 degree; Described sidewall is provided with connecting panel, and described connecting panel has hinge hole, the described upper end thereof of described hinge hole and described interior bar.
Preferably, the upside of the described positioning plate of the upper end of described cylindrical guide is provided with brace panel.
Preferably, also comprise connecting rod assembly, the two ends of described connecting rod assembly connect two described slide block assemblies respectively.
Preferably, often organize described shock strut and also comprise steel rope, described steel rope one end connects the upper end of described outer tube, and the other end connects the upper end of described interior bar, and the length of described steel rope is less than the length of described interior bar.
The utility model additionally provides a kind of construction machinery and equipment, its turntable is provided with jib and Shears, it is characterized in that, also comprises the shock absorber preventing jib hypsokinesis described in above-mentioned any one, the lower end of described shock absorber is connected with described Shears, and upper end is connected with the rear side of described jib.
Preferably, described construction machinery and equipment is dynamic compaction machinery.
The shock absorber of jib hypsokinesis that what the utility model provided prevent, comprise two groups of shock struts arranged side by side, often organize shock strut and comprise interior bar, outer tube and spring, Shears on the lower end of outer tube and turntable or turntable is hinged, the lower end of interior bar is sleeved in the upper end of outer tube, spring housing is contained on interior bar, and the upper end thereof of interior bar installs slide block assembly; The rear side of jib has two arranged side by side slide rails arranged along jib length direction, and two slide block assemblies coordinate with two slide rails respectively and also can slide along slide rail.
In this shock absorber, the slide block assembly of interior bar upper end thereof can move by the slide rail on rear side of jib, and before jib plays arm, slide block assembly can be positioned at slide rail bottom; Along with hoisting of jib, slide block assembly can move up along slide rail; Slide block assembly moves to the top of slide rail, and interior bar enters outer tube and makes spring one end support outer tube, and when the other end supports the slide block assembly of the upper end of interior bar, jib reaches maximum luffing position, and shock absorber supporting arm frame prevents jib hypsokinesis.
Compared with prior art, the connection location of interior bar upper end and jib can move along the length direction of jib, before jib hoists, the upper end of interior bar can be positioned at the lower end of slide rail, with the close together of the upper end of outer tube, add the overlap ratio of interior bar and outer tube, reduce the span of shock strut, the deflection of interior bar also reduces thereupon, when playing arm, interior bar ratio is easier to pierce into outer tube, can play arm smoothly; After jib hoists, the upper end of interior bar can move to the top of slide rail, can ensure the maximum luffing scope of jib.This shock absorber can prevent jib hypsokinesis from jib can be made again to play arm smoothly.
The utility model additionally provides a kind of construction machinery and equipment, its turntable is provided with jib and Shears, also comprises the above-mentioned shock absorber preventing jib hypsokinesis, and shock absorber connects jib and Shears, this shock absorber has above-mentioned technique effect, therefore this project machinery also has corresponding technique effect.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation typically preventing the shock absorber of jib hypsokinesis;
Fig. 2 is the shock absorber distortion schematic diagram shown in Fig. 1;
Fig. 3 is the structural representation of shock absorber provided by the utility model before playing arm;
Fig. 4 is the structural representation of the shock absorber shown in Fig. 3 in an arm process;
Fig. 5 is the structural representation of the shock absorber shown in Fig. 3 after playing arm;
The structural representation of the slide block assembly that Fig. 6 is the shock absorber shown in Fig. 3 and a kind of detailed description of the invention of slide rail;
Fig. 7 is the exploded view of structure described in Fig. 6;
The structural representation of a kind of detailed description of the invention of slide block assembly that Fig. 8 is the shock absorber shown in Fig. 3;
The A direction view that Fig. 9 is the slide block assembly described in Fig. 8.
Wherein, the Reference numeral in Fig. 1 to Fig. 9 and between component names corresponding relation one by one as follows:
Jib 100; Shears 200; Outer tube 1; Interior bar 2; Spring 3;
Slide block assembly 4; Pipe 41; Opening 42; Connecting panel 43; Hinge hole 44;
Slide rail 5; Positioning plate 51; Brace panel 52; Connecting rod assembly 6; Steel rope 7.
Detailed description of the invention
Core of the present utility model is to provide a kind of shock absorber preventing jib hypsokinesis, and this shock absorber can prevent jib hypsokinesis from jib can be made again to play arm smoothly.In addition, another core of the present utility model is to provide a kind of construction machinery and equipment with above-mentioned shock absorber.
In order to make those skilled in the art person understand the utility model scheme better, below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Please refer to Fig. 3 to Fig. 5, Fig. 3 is the structural representation of shock absorber provided by the utility model before playing arm, and Fig. 4 is the structural representation of the shock absorber shown in Fig. 3 in an arm process, and Fig. 5 is the structural representation of the shock absorber shown in Fig. 3 after playing arm.
In a kind of concrete embodiment, the utility model provides a kind of shock absorber preventing jib hypsokinesis, comprise two groups of shock struts arranged side by side, often organize shock strut and comprise interior bar 2, outer tube 1 and spring 3, Shears 200 on the lower end of outer tube 1 and turntable or turntable is hinged, the lower end of interior bar 2 is sleeved in the upper end of outer tube 1, and spring 3 is sleeved on interior bar 2, and the upper end thereof of interior bar 2 installs slide block assembly 4; The rear side of jib 100 has two arranged side by side slide rail 5, two slide block assemblies 4 arranged along jib 100 length direction and coordinates with two slide rails 5 respectively and also can slide along described slide rail 5.
Shock absorber is between Shears 200 and jib 100, and jib 100 hoists in process, and jib 100 reduces gradually with the distance of turntable or Shears 200, the length of shock absorber therebetween also reduces thereupon, in this process, interior bar 2 progresses in outer tube 1, until outer tube 1 upper end is supported in spring 3 one end, the other end supports the attachment point of the upper end of interior bar 2, now, the length of shock absorber is minimum, supporting arm frame 100, the maximum luffing position of restriction jib 100, can prevent jib 100 hypsokinesis.
In the shock absorber that the application records, interior bar 2 upper end thereof slide block assembly 4, slide block assembly 4 can move by the slide rail 5 on rear side of jib 100, before jib 100 arms, slide block assembly 4 can be positioned at slide rail 5 bottom, namely the position that during jib 100 level, slide rail 5 is nearest with Shears 200, as shown in Figure 3;
Along with hoisting of jib 100, the hinge-point around outer tube 1 lower end rotates by shock strut, and simultaneously, bar 2 progresses into outer tube 1, and in the process, slide block assembly 4 can move up along slide rail 5, as shown in Figure 4;
Slide block assembly 4 moves to the top of slide rail 5, and interior bar 2 enters outer tube 1 and makes spring 3 one end support outer tube 1, when the other end supports the slide block assembly 4 of the upper end of interior bar 2, the length of shock strut is minimum, as shown in Figure 5, jib 100 reaches maximum luffing position, shock strut supporting arm frame 100, can prevent jib 100 hypsokinesis.
Jib 100 is generally truss structure, there is certain width, the distribution of the application force provided in order to the shock absorber making jib 100 be subject in the process of hoisting is more even, make hoisting of jib 100 more steady, two groups of shock struts are set usually, the application force of two groups of shock struts acts on two girders distributed along its length on rear side of jib 100 respectively, arranges respectively by two slide rails 5 along two girders.
Compared with prior art, the connection location of interior bar 2 upper end and jib 100 can move along the length direction of jib 100, before jib 100 hoists, the upper end of interior bar 2 can be positioned at the lower end of slide rail 5, the close together of the upper end of interior bar 2 and the upper end of outer tube 1, add the overlap ratio of interior bar 2 and outer tube 1, reduce the span of shock strut, the deflection of interior bar 2 and outer tube 1 also reduces thereupon, when playing arm, interior bar 2 pierces into outer tube 1 than being easier to, and can play arm smoothly.
In addition, after jib 100 hoists, the upper end of interior bar 2 can move to the top of slide rail 5, can ensure the maximum luffing scope of jib 100.This shock absorber can prevent jib 100 hypsokinesis from jib 100 can be made again to play arm smoothly.
Concrete, slide block assembly 4 can have various ways, preferred good stability with the structure of slide rail 5, is convenient to processing, and the structure coordinated both easily realizing.
Please refer to Fig. 6 and Fig. 7, the structural representation of the slide block assembly that Fig. 6 is the shock absorber shown in Fig. 3 and a kind of detailed description of the invention of slide rail, Fig. 7 is the exploded view of structure described in Fig. 6.
One preferred embodiment in, slide rail 5 is cylindrical guide, and slide block assembly 4 has the pipe 41 coordinated with cylindrical guide, the two ends of cylindrical guide be equipped with positioning plate 51 in case limit pipe 41 slide end position.
Pipe 41 is sleeved on cylindrical guide, can slide along cylindrical guide, and the fit system of the two is fairly simple, coordinate rear stability better, and the two is Common parts, easily ensures working accuracy.
Cylindrical guide is convenient to be fixed on the girder of jib 100, and it is not yielding after fixing, can ensure that pipe 41 is comparatively smooth along the slip factor of cylindrical guide, the length of cylindrical guide can be longer, and the length of concrete cylindrical guide can be arranged according to the actual needs of jib 100.
Please refer to Fig. 8 and Fig. 9, the structural representation of a kind of detailed description of the invention of slide block assembly that Fig. 8 is the shock absorber shown in Fig. 3, the A direction view that Fig. 9 is the slide block assembly described in Fig. 8.
In embodiment concrete further, the sidewall of pipe 41 has opening 42, and the central angle of sidewall is greater than 270 degree; Sidewall is provided with connecting panel 43, connecting panel 43 has hinge hole 44, the upper end thereof of hinge hole 44 and interior bar 2.
The side of cylindrical guide is fixed on the girder of jib 100, and corresponding pipe 41 can have opening 42, and when pipe 41 is slided along cylindrical guide, the junction of cylindrical guide and girder is positioned at the opening 42 of pipe 41.When the central angle of the sidewall of pipe 41 is greater than 270 degree, can ensure that pipe 41 is reliable with coordinating of cylindrical guide.
In addition, the sidewall of pipe 41 arranges connecting panel 43, and offer hinge hole 44 on connecting panel 43, make the upper end of interior bar 2 hinged by hinge hole 44 and slide block assembly 4, then interior bar 2 upper end along with slide block assembly 4 slide along cylindrical guide time, interior bar 2 can rotate around its upper end.
Concrete, the upside of the positioning plate 51 of the upper end of cylindrical guide is provided with brace panel 52.
When jib 100 luffing is to end position, shock strut is needed to support, now, the positioning plate 51 of cylindrical guide upper end is supported in the upper end of shock strut by slide block assembly 4, the application force of supporting arm frame 100 will act on this positioning plate 51, in order to ensure the reliability of whole shock absorber, can arrange brace panel 52 in the upper end of this positioning plate 51, the side of brace panel 52 can also be provided with floor, and concrete structure as shown in Figure 6 and Figure 7.
In above-mentioned each concrete embodiment, this shock absorber also comprises connecting rod assembly 6, and the two ends of connecting rod assembly 6 connect two slide block assemblies 4 respectively, please refer again to Fig. 6 and Fig. 7.
The slide block assembly 4 of two groups of shock strut ends is two independent individualities, the two coordinates with two slide rails 5 respectively, the two does not retrain along the direction vertical with moving direction in the process of slide rail 5 movement, in order to make the two more stable, connecting rod assembly 6 is set between two slide block assemblies 4, the stability of shock absorber can be strengthened, and can prevent two slide block assemblies 4 from rotating.Concrete, as shown in Figure 7, the two ends of connecting rod assembly 6 are provided with end plate, and two end plates connect the connecting panel 43 of two slide block assemblies 4 respectively.
In further preferred embodiment, often organize shock strut and also comprise steel rope 7 in this shock absorber, steel rope 7 one end connects the upper end of outer tube 1, and the upper end of bar 2 in the other end connects, the length of steel rope 7 is less than the length of interior bar 2.
Before playing arm, steel rope 7 is in the state close to tightening, and as shown in Figure 3, along with hoisting of jib 100, steel rope 7 gradually becomes relaxed state, as shown in Figure 5.
Fall in arm process, when certain angle fallen by jib 100, steel rope 7 is tightened, can prevent interior bar 2 and outer tube 1 from throwing off, then, under the pulling of steel rope 7, the slide block assembly 4 of interior bar 2 upper end can be made along slide rail 5 to move to the lower end of slide rail 5, can avoid causing self-locking because friction force is excessive between slide block assembly 4 and slide rail 5.Concrete, the state of steel rope 7 in jib 100 luffing please refer to Fig. 3 to Fig. 5.
Except the above-mentioned shock absorber preventing jib hypsokinesis, the utility model additionally provides a kind of construction machinery and equipment, its turntable is provided with jib 100 and Shears 200, also comprise the above-mentioned shock absorber preventing jib hypsokinesis, the lower end of shock absorber is connected with Shears 200, and upper end is connected with the rear side of jib 100.In addition, the lower end of shock absorber can also directly be connected with turntable.
Because shock absorber has above-mentioned technique effect, therefore the construction machinery and equipment with above-mentioned shock absorber also has corresponding technique effect.Other structures of construction machinery and equipment please refer to prior art, repeat no more herein.
Concrete, this project machinery can be dynamic compaction machinery, also can have the machinery of jib for other.
Above the shock absorber of jib hypsokinesis and the construction machinery and equipment of preventing provided by the utility model is described in detail.Apply specific case herein to set forth principle of the present utility model and embodiment, the explanation of above embodiment just understands method of the present utility model and core concept thereof for helping.Should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model principle, can also carry out some improvement and modification to the utility model, these improve and modify and also fall in the protection domain of the utility model claim.
Claims (8)
1. one kind prevents the shock absorber of jib hypsokinesis, comprise two groups of shock struts arranged side by side, often organize described shock strut and comprise interior bar (2), outer tube (1) and spring (3), Shears (200) on the lower end of described outer tube (1) and turntable or described turntable is hinged, the lower end of described interior bar (2) is sleeved in the upper end of described outer tube (1), described spring (3) is sleeved on described interior bar (2), it is characterized in that, the upper end thereof of described interior bar (2) installs slide block assembly (4); The rear side of described jib (100) has two arranged side by side slide rails (5) arranged along described jib (100) length direction, and two described slide block assemblies (4) coordinate with two described slide rails (5) respectively also can be slided along described slide rail (5).
2. prevent the shock absorber of jib hypsokinesis as claimed in claim 1, it is characterized in that, described slide rail (5) is cylindrical guide, described slide block assembly (4) has the pipe (41) coordinated with described cylindrical guide, and the two ends of described cylindrical guide are equipped with positioning plate (51) to limit the end position that described pipe (41) slides.
3. prevent the shock absorber of jib hypsokinesis as claimed in claim 2, it is characterized in that, the sidewall of described pipe (41) has opening (42), and the central angle of described sidewall is greater than 270 degree; Described sidewall is provided with connecting panel (43), described connecting panel (43) has hinge hole (44), the described upper end thereof of described hinge hole (44) and described interior bar (2).
4. prevent the shock absorber of jib hypsokinesis as claimed in claim 3, it is characterized in that, the upside of the described positioning plate (51) of the upper end of described cylindrical guide is provided with brace panel (52).
5. the shock absorber preventing jib hypsokinesis as described in any one of Claims 1-4, is characterized in that, also comprises connecting rod assembly (6), and the two ends of described connecting rod assembly (6) connect two described slide block assemblies (4) respectively.
6. prevent the shock absorber of jib hypsokinesis as claimed in claim 5, it is characterized in that, often organize described shock strut and also comprise steel rope (7), described steel rope (7) one end connects the upper end of described outer tube (1), the other end connects the upper end of described interior bar (2), and the length of described steel rope (7) is less than the length of described interior bar (2).
7. a construction machinery and equipment, its turntable is provided with jib (100) and Shears (200), it is characterized in that, also comprise the shock absorber preventing jib hypsokinesis described in any one of claim 1 to 6, the lower end of described shock absorber is connected with described Shears (200), and upper end is connected with the rear side of described jib (100).
8. construction machinery and equipment as claimed in claim 7, it is characterized in that, described construction machinery and equipment is dynamic compaction machinery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420546855.XU CN204138224U (en) | 2014-09-22 | 2014-09-22 | A kind of shock absorber and construction machinery and equipment preventing jib hypsokinesis |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420546855.XU CN204138224U (en) | 2014-09-22 | 2014-09-22 | A kind of shock absorber and construction machinery and equipment preventing jib hypsokinesis |
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| CN204138224U true CN204138224U (en) | 2015-02-04 |
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| CN201420546855.XU Active CN204138224U (en) | 2014-09-22 | 2014-09-22 | A kind of shock absorber and construction machinery and equipment preventing jib hypsokinesis |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106703002A (en) * | 2015-07-23 | 2017-05-24 | 徐工集团工程机械股份有限公司 | Anti-back-tipping structural piece, anti-back-tipping device and engineering machine |
-
2014
- 2014-09-22 CN CN201420546855.XU patent/CN204138224U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106703002A (en) * | 2015-07-23 | 2017-05-24 | 徐工集团工程机械股份有限公司 | Anti-back-tipping structural piece, anti-back-tipping device and engineering machine |
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