CN110565731A - Hydraulic excavator oil cylinder protection device and hydraulic excavator - Google Patents
Hydraulic excavator oil cylinder protection device and hydraulic excavator Download PDFInfo
- Publication number
- CN110565731A CN110565731A CN201910932501.6A CN201910932501A CN110565731A CN 110565731 A CN110565731 A CN 110565731A CN 201910932501 A CN201910932501 A CN 201910932501A CN 110565731 A CN110565731 A CN 110565731A
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- hydraulic excavator
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- 230000007246 mechanism Effects 0.000 claims abstract description 68
- 230000008602 contraction Effects 0.000 claims abstract description 4
- 230000003014 reinforcing effect Effects 0.000 claims description 19
- 230000000712 assembly Effects 0.000 claims description 13
- 238000000429 assembly Methods 0.000 claims description 13
- 238000003466 welding Methods 0.000 claims description 12
- 230000001681 protective effect Effects 0.000 claims description 8
- 101000623895 Bos taurus Mucin-15 Proteins 0.000 claims description 4
- 230000008719 thickening Effects 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 2
- 229920002943 EPDM rubber Polymers 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/22—Hydraulic or pneumatic drives
- E02F9/2264—Arrangements or adaptations of elements for hydraulic drives
- E02F9/2271—Actuators and supports therefor and protection therefor
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Actuator (AREA)
Abstract
The invention discloses a hydraulic excavator oil cylinder protection device and a hydraulic excavator, which comprise a support mechanism and a protection plate mechanism, wherein the support mechanism is arranged on the outer surface of an oil cylinder body in the axial direction and is fixed on the oil cylinder body; the protection plate mechanism is connected to the support mechanism in a sliding mode, and one end of the protection plate mechanism is fixedly connected with the end portion of the piston rod of the oil cylinder; when the oil cylinder piston rod is completely in a contraction state, the protection plate mechanism is positioned on the oil cylinder body, and when the oil cylinder piston rod moves, the protection plate mechanism moves along with the oil cylinder piston rod to realize continuous protection on the extended oil cylinder piston rod. The hydraulic excavator oil cylinder protection device is convenient to use and obvious in effect, and can be used for effectively protecting the oil cylinder of the hydraulic excavator, so that the working safety is greatly improved, the faults are reduced, and the maintenance cost is reduced.
Description
Technical Field
the invention relates to a hydraulic excavator oil cylinder protection device, in particular to an oil cylinder protection device of a large-scale hydraulic excavator, and belongs to the field of engineering machinery.
background
the oil cylinder is used as a hydraulic driving device and widely applied to the field of engineering machinery, and particularly on a large hydraulic excavator, six oil cylinders are arranged on the part of a working device. Because large-scale excavator mainly used mining and large-scale capital construction, the service behavior is abominable, and the hydro-cylinder is accurate, relies on the reciprocating motion of piston rod to realize the function, and the during operation piston rod exposes outside, suffers very easily that outside material collides with and injures, and then causes the complete machine to be unable work, greatly influences work efficiency, increases the maintenance cost, and the hydro-cylinder economic value is great simultaneously, in case the damage appears, can cause great direct economic loss. . Most of oil cylinders in the existing excavator market are not provided with a protection device, the protection device is individually installed, a threaded seat is welded at the end part of a piston rod, a flat plate is fixed by a bolt for simple protection, and the device is short in service life, small in bearing capacity, not impact-resistant, only can be used on a small hydraulic excavator, and cannot bear impact of heavy materials.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides the protection device for the oil cylinder of the hydraulic excavator, which can realize effective protection of the oil cylinder of the hydraulic excavator, reduce faults, improve working efficiency and reduce maintenance cost.
In order to achieve the purpose, the invention adopts the technical scheme that:
A hydraulic excavator cylinder guard comprising:
the bracket mechanism is arranged on the outer surface of the cylinder body of the oil cylinder in the axial direction and is fixed on the cylinder body of the oil cylinder;
The protective plate mechanism is connected to the support mechanism in a sliding mode, and one end of the protective plate mechanism is fixedly connected with the end portion of the piston rod of the oil cylinder;
When the oil cylinder piston rod is completely in a contraction state, the protection plate mechanism is positioned on the oil cylinder body, and when the oil cylinder piston rod moves, the protection plate mechanism moves along with the oil cylinder piston rod to realize continuous protection on the extended oil cylinder piston rod.
Further, the bracket mechanism comprises a bracket and a plurality of hoop assemblies; the support is formed by connecting a transverse plate and a vertical plate, and the transverse plate is horizontally placed and used as a guide rail; the vertical plate is vertically arranged and used for connecting the hoop component; a plurality of staple bolt subassembly looks spaced fixed connection is on the cylinder body surface.
Furthermore, the hoop component consists of an upper hoop component and a lower hoop component; the upper hoop component is formed by welding a single-lug semi-annular plate I, an arc thread plate and two corresponding reinforcing plates I; the single-lug semi-annular plate I is characterized in that a plane part of the single-lug semi-annular plate I is provided with a through hole; the tail part of the arc-shaped surface of the single-lug semi-annular plate I is provided with a threaded hole and is concentric with the threaded hole on the arc-shaped threaded plate; the lower hoop component comprises a single-lug semi-annular plate II, a thickened plate and a connecting plate I; the plane part of the single-lug semi-annular plate II is provided with a through hole, and the tail part of the arc surface of the single-lug semi-annular plate II is sequentially welded with a thickening plate and a connecting plate I; the connecting plate I is provided with a through hole for matching with a threaded hole in the arc-shaped threaded plate.
Furthermore, a welding nut is arranged at a through hole on the single-lug semi-annular plate II and matched with the bolt washer component II.
Further, the protection plate mechanism comprises a protection plate assembly and a semi-annular hoop; the protection plate assembly comprises a protection plate, two connecting plates II, a vertical plate and a double-lug semi-annular plate; the two connecting plates II are correspondingly fixed at one end of the protection plate and are used for being connected with the mounting seat; the vertical plate and the double-lug semi-annular plate are welded at the other end of the protection plate in sequence; the semi-annular hoop is matched with the double-lug semi-annular plate to assemble and fix the guard plate mechanism at the end part of the piston rod of the oil cylinder.
Furthermore, the protection plate assembly further comprises two arc-shaped cushion plates, wherein one arc-shaped cushion plate is arranged between the double-lug semi-annular plate and the surface of the piston rod, and the other arc-shaped cushion plate is arranged between the semi-annular hoop and the surface of the piston rod.
Further, a reinforcing plate II is fixed between the connecting plate II and the protection plate and used for reinforcing the connecting part; and a reinforcing plate III is fixed between the protection plate and the double-lug semi-annular plate and is also connected with the vertical plate for reinforcing the connection part.
Further, a sliding part is arranged between the protection plate mechanism and the support mechanism; the sliding component comprises a wear-resisting plate and a mounting seat; the mounting seat is of an open box structure, and the size of the interior of the box is slightly larger than that of the wear-resistant plate; the back of the mounting seat is provided with a threaded hole for connecting the protective plate mechanism; a clamping groove is formed in the middle of one end of the wear-resisting plate, clamped on a transverse plate in the support mechanism and used for moving back and forth by taking the transverse plate as a slide way; the non-clamping groove end of the wear-resistant block is clamped in the box body.
furthermore, the mounting seat is formed by welding a threaded plate and a plurality of flat plates into an open box body, the threaded plate is fixed on the bottom surface of the open box body, and U-shaped grooves which correspond to each other are respectively arranged on the side surfaces of the wide edge of the open box body and are used for being clamped on a transverse plate in the support mechanism.
A hydraulic excavator comprises an oil cylinder, and the oil cylinder protection device of the hydraulic excavator is arranged on the oil cylinder.
The invention has the beneficial effects that:
the hydraulic excavator oil cylinder protection device is convenient to use and obvious in effect, and can be used for effectively protecting the oil cylinder of the hydraulic excavator, so that the working safety is greatly improved, the faults are reduced, and the maintenance cost is reduced.
drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a perspective view of the present invention;
FIG. 1a is an enlarged view of part I of FIG. 1;
FIG. 2 is an exploded view of the present invention;
FIG. 3 is a first perspective view showing a manner in which a bracket mechanism is fixed to a cylinder body according to the present invention;
FIG. 4 is a second perspective view of the manner in which the bracket mechanism of the present invention is fixed to the cylinder block;
FIG. 5 is an exploded view of the bracket mechanism of the present invention;
FIG. 6 is a perspective view of the bracket and upper clip assembly of the present invention;
FIG. 7 is a perspective view of the upper clip assembly of the present invention;
FIG. 8 is a perspective view of the lower clip assembly of the present invention;
FIG. 9 is a schematic perspective view of the manner in which the guard plate mechanism of the present invention is fixed to the cylinder rod;
FIG. 10 is an exploded view of the fender mechanism of the present invention;
FIG. 11 is a perspective view of a shield plate assembly of the present invention;
Figure 12 is a perspective view of a wear block of the present invention;
FIG. 13a is a first perspective view of the mounting base of the present invention;
fig. 13b is a second perspective view of the mounting base of the present invention.
in the figure: 10. the device comprises a support mechanism, 20, a wear-resistant block, 30, a mounting seat, 40, a protection plate mechanism, 5, bolt washer assemblies I, 11, a support, 12, bolt washer assemblies II, 13, a lower hoop assembly, 14, bolt washer assemblies III, 11-1, a transverse plate, 11-2, a vertical plate, 11-3, an upper hoop assembly, 11-3-1, a single-lug semi-annular plate I, 11-3-2, an arc-shaped threaded plate, 11-3-3, a reinforcing plate I, 13-1 and a single-lug semi-annular plate II; 13-2 parts of thickened plates, 13-3 parts of connecting plates I and 13-4 parts of welding nuts, 41 parts of protective plate assemblies, 42 parts of bolt washer assemblies IV and 43 parts of arc-shaped backing plates, 44 parts of semi-annular hoops, 45 parts of nuts, 41-1 parts of protective plates, 41-2 parts of reinforcing plates II and 41-3 parts of connecting plates II and 41-4 parts of reinforcing plates III and 41-5 parts of vertical plates, 41-6 parts of double-lug semi-annular plates, 31 parts of threaded plates, 32 parts of open box bodies, 33 parts of U-shaped grooves.
Detailed Description
in order to make the implementation objects, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be described in more detail below with reference to the accompanying drawings in the embodiments of the present invention. In the drawings, the same or similar reference numerals denote the same or similar components or components having the same or similar functions throughout. The described embodiments are only some, but not all embodiments of the invention. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention. Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1, fig. 1a and fig. 2, a hydraulic excavator cylinder protecting device comprises a bracket mechanism 10 and a guard plate mechanism 40, wherein the bracket mechanism 10 is arranged on the outer surface of a cylinder body in an axial direction, and the bracket mechanism 10 is fixed on the cylinder body; the guard plate mechanism 40 is connected to the support mechanism 10 in a sliding mode, and one end of the guard plate mechanism 40 is fixedly connected with the end portion of the piston rod of the oil cylinder; when the piston rod of the oil cylinder is completely in a contraction state, the guard plate mechanism 40 is positioned on the cylinder body of the oil cylinder, and when the piston rod of the oil cylinder moves, the guard plate mechanism 40 moves along with the piston rod of the oil cylinder so as to realize continuous protection on the extending piston rod of the oil cylinder.
a preferred embodiment of the above described embodiment with respect to the holder means is given below:
as shown in fig. 3, 4, 5 and 6, the bracket mechanism 10 includes a bracket 11 and a plurality of hoop assemblies; the support 11 is formed by connecting a transverse plate 11-1 and a vertical plate 11-2, and the transverse plate 11-1 is horizontally arranged and used as a guide rail; the vertical plate 11-2 is vertically arranged and used for connecting the hoop component; a plurality of staple bolt subassembly looks spaced fixed connection is on the cylinder body surface.
The transverse plate 11-1 and the vertical plate 11-2 are connected together in a symmetrical intermittent welding mode, and the hoop assemblies are three, are uniformly distributed and are welded at the lower part of the vertical plate 11-2.
Specifically, as shown in fig. 7, the hoop assembly is composed of an upper hoop assembly 11-3 and a lower hoop assembly 13; the upper hoop component 11-3 is formed by welding a single-lug semi-annular plate I11-3-1, an arc thread plate 11-3-2 and two corresponding reinforcing plates I11-3-3; wherein, the plane part of the single-lug semi-annular plate I11-3-1 is provided with a through hole which is matched with the bolt washer component II 12; the tail part of the arc-shaped surface of the single-lug semi-annular plate I11-3-1 is provided with two threaded holes which are processed after being welded with the arc-shaped threaded plate 11-3-2, and the threaded holes are matched with the bolt washer assembly III 14.
As shown in FIG. 8, the lower clamp assembly 13 comprises a single-lug semi-annular plate II 13-1, a thickened plate 13-2 and a connecting plate I13-3; the plane part of the single-lug semi-annular plate II 13-1 is provided with a through hole, the lower part of the single-lug semi-annular plate II 13-1 is welded with a welding nut I13-4 and matched with a bolt washer component II 12, and the tail part of the arc surface of the single-lug semi-annular plate II 13-1 is sequentially welded with a thickening plate 13-2 and a connecting plate I13-3; the connecting plate I13-3 is provided with two through holes which are matched with the bolt washer component III 14.
When the support 11 and the lower hoop component 13 are fixed on the cylinder body, the plane of the upper hoop component and the plane of the lower hoop component 13 are vertically symmetrical, and the gap is 3-5 mm.
a preferred embodiment of the above described embodiment is given below with respect to the guard plate mechanism:
As shown in fig. 9, 10 and 11, the fender mechanism 40 includes a fender assembly 41 and a semi-annular hoop 44; the protection plate assembly 41 comprises a protection plate 41-1, two connecting plates II 41-3, a vertical plate 41-5 and a double-lug semi-annular plate 41-6; the two connecting plates II 41-3 are correspondingly fixed at one end of the protection plate 41-1 and are connected with the mounting base 30 through the bolt washer assembly I5, and the vertical plate 41-5 and the double-lug semi-annular plate 41-6 are welded at the other end of the protection plate 41-1 in sequence; the guard plate mechanism 40 is assembled and fixed at the end part of the piston rod of the oil cylinder between the semi-annular hoop 44 and the double-lug semi-annular plate 41-6 through a bolt washer component IV 42 and a nut 45.
the preferred scheme is as follows: the fender assembly 41 further includes two arcuate pad plates 43, one of which is disposed between the binaural semi-annular plate 41-6 and the piston rod surface and the other of which is disposed between the semi-annular hoop 44 and the piston rod surface.
It should be noted that the arc-shaped backing plate 43 is made of ethylene propylene diene monomer rubber, and is cushioned between the hoop and the surface of the piston rod to avoid damage to the surface of the piston rod.
The preferred scheme is as follows: a reinforcing plate II 41-2 is fixed between the connecting plate II 41-3 and the protection plate 41-1 for reinforcing the connecting part; a reinforcing plate III 41-4 is fixed between the protection plate 41-1 and the double-lug semi-annular plate 41-6, and the reinforcing plate III 41-4 is also connected with a vertical plate 41-5 for reinforcing the connecting part.
As shown in fig. 12, 13a, and 13b, a sliding member is provided between the guard plate mechanism 40 and the holder mechanism 10; the sliding part comprises a wear plate 20 and a mounting seat 30; the mounting seat 30 is an open box structure, and the size of the interior of the box is slightly larger than that of the wear-resistant plate; a threaded hole is processed in the back of the mounting seat 30 and used for being connected to the guard plate mechanism 10; a clamping groove is formed in the middle of one end of the wear-resisting plate 20 and clamped on a transverse plate 11-1 in the support mechanism 10, and the transverse plate 11-1 is taken as a slide way to move forwards and backwards; the non-clamping end of the wear-resisting block 20 is clamped in the box body.
Specifically, the mounting seat 30 is formed by welding a threaded plate 31 and a plurality of flat plates to form an open box 32, the threaded plate 31 is fixed on the bottom surface of the open box, and the side surfaces of the wide side of the open box are respectively provided with a corresponding U-shaped groove 33 for being clamped on the transverse plate 11-1 in the support mechanism 10.
It should be noted that the width of the slot of the wear plate 20 is 2mm greater than the thickness of the horizontal plate 11-1 of the support mechanism 10; the wear plate 20 is made of MC nylon.
in conclusion, the bracket mechanism mainly comprises a bracket 11 and three lower clamp assemblies 13, wherein a transverse plate 11-1 is welded at the top of the bracket, three upper clamp assemblies 11-3 are welded at the bottom of the bracket, and the upper clamp assemblies and the lower clamp assemblies are fixed on the cylinder body of the oil cylinder through a bolt washer assembly II 12 and a bolt washer assembly III 14, so that the whole bracket mechanism 10 is fixed; a clamping groove is formed in the middle of one end of the wear-resisting plate 20 and clamped on a transverse plate 11-1 of the support, and the transverse plate 11-1 is used as a slide way to move back and forth; the mounting seat 30 is of an open box structure, the non-clamping end of the wear-resistant block 20 is clamped in the box, and a threaded hole is processed in the back of the mounting seat 30; the fender mechanism 40 mainly comprises a fender assembly 41, a semi-annular hoop 44; one end of the protection plate assembly 41 is connected with the mounting base 30 through a bolt washer assembly I5, a double-lug semi-annular plate 41-6 is welded at the bottom of the other end of the protection plate assembly 41, the double-lug semi-annular plate 41-6 and a semi-annular hoop 44 are fixed at the end part of the oil cylinder piston rod through a bolt washer assembly IV 42 and a nut 45 in a bolted mode, and an arc-shaped base plate 43 is padded between the hoop and the surface of the piston rod to avoid surface damage of the piston rod. When the oil cylinder moves, the piston rod drives the protection plate mechanism 40, the protection plate mechanism 40 sequentially drives the mounting base 30 and the wear-resisting plate 20 to move on the transverse plate 11-1 of the support frame mechanism 10, and continuous protection of the oil cylinder is achieved.
in conclusion, the invention is mainly used for structural parts, the manufacturing can be completed by welding after blanking, the requirements of all parts are not high, the required non-metal parts also belong to common parts, and the price is low. Convenient to use, the effect is obvious, can last effectual protection to hydraulic cylinder through this device, can greatly improve work efficiency, reduces the trouble, reduces the maintenance cost.
the invention also provides a hydraulic excavator, which comprises an oil cylinder, wherein the oil cylinder is provided with the oil cylinder protection device of the hydraulic excavator.
while the present application has been described with reference to exemplary embodiments, it is understood that the terminology used is intended to be in the nature of words of description and illustration, rather than of limitation. As the present application may be embodied in several forms without departing from the spirit or essential characteristics thereof, it should also be understood that the above-described embodiments are not limited by any of the details of the foregoing description, but rather should be construed broadly within its spirit and scope as defined in the appended claims, and therefore all changes and modifications that fall within the meets and bounds of the claims, or equivalences of such meets and bounds are therefore intended to be embraced by the appended claims.
Claims (10)
1. a hydraulic excavator cylinder guard, comprising:
The bracket mechanism is arranged on the outer surface of the cylinder body of the oil cylinder in the axial direction and is fixed on the cylinder body of the oil cylinder;
The protective plate mechanism is connected to the support mechanism in a sliding mode, and one end of the protective plate mechanism is fixedly connected with the end portion of the piston rod of the oil cylinder;
When the oil cylinder piston rod is completely in a contraction state, the protection plate mechanism is positioned on the oil cylinder body, and when the oil cylinder piston rod moves, the protection plate mechanism moves along with the oil cylinder piston rod to realize continuous protection on the extended oil cylinder piston rod.
2. the hydraulic excavator cylinder guard of claim 1 wherein: the bracket mechanism comprises a bracket and a plurality of hoop assemblies;
The support is formed by connecting a transverse plate and a vertical plate, and the transverse plate is horizontally placed and used as a guide rail; the vertical plate is vertically arranged and used for connecting the hoop component;
A plurality of staple bolt subassembly looks spaced fixed connection is on the cylinder body surface.
3. the hydraulic excavator cylinder guard of claim 2 wherein: the hoop component consists of an upper hoop component and a lower hoop component;
the upper hoop component is formed by welding a single-lug semi-annular plate I, an arc thread plate and two corresponding reinforcing plates I;
The single-lug semi-annular plate I is characterized in that a plane part of the single-lug semi-annular plate I is provided with a through hole;
the tail part of the arc-shaped surface of the single-lug semi-annular plate I is provided with a threaded hole and is concentric with the threaded hole on the arc-shaped threaded plate;
the lower hoop component comprises a single-lug semi-annular plate II, a thickened plate and a connecting plate I;
The plane part of the single-lug semi-annular plate II is provided with a through hole, and the tail part of the arc surface of the single-lug semi-annular plate II is sequentially welded with a thickening plate and a connecting plate I;
the connecting plate I is provided with a through hole for matching with a threaded hole in the arc-shaped threaded plate.
4. the hydraulic excavator cylinder guard of claim 3 wherein: and a welding nut is arranged at the through hole on the single-lug semi-annular plate II and is matched with the bolt washer component II.
5. The hydraulic excavator cylinder guard of claim 1 wherein: the protection plate mechanism comprises a protection plate assembly and a semi-annular hoop;
the protection plate assembly comprises a protection plate, two connecting plates II, a vertical plate and a double-lug semi-annular plate;
The two connecting plates II are correspondingly fixed at one end of the protection plate and are used for being connected with the mounting seat;
The vertical plate and the double-lug semi-annular plate are welded at the other end of the protection plate in sequence;
The semi-annular hoop is matched with the double-lug semi-annular plate to assemble and fix the guard plate mechanism at the end part of the piston rod of the oil cylinder.
6. The hydraulic excavator cylinder guard of claim 5 wherein: the protection plate assembly further comprises two arc-shaped cushion plates, one arc-shaped cushion plate is arranged between the double-lug semi-annular plate and the surface of the piston rod, and the other arc-shaped cushion plate is arranged between the semi-annular hoop and the surface of the piston rod.
7. the hydraulic excavator cylinder guard of claim 5 wherein: a reinforcing plate II is fixed between the connecting plate II and the protection plate and is used for reinforcing the connecting part;
and a reinforcing plate III is fixed between the protection plate and the double-lug semi-annular plate and is also connected with the vertical plate for reinforcing the connection part.
8. The hydraulic excavator cylinder guard of claim 1 wherein: a sliding part is arranged between the protection plate mechanism and the bracket mechanism; the sliding component comprises a wear-resisting plate and a mounting seat;
the mounting seat is of an open box structure, and the size of the interior of the box is slightly larger than that of the wear-resistant plate; the back of the mounting seat is provided with a threaded hole for connecting the protective plate mechanism;
a clamping groove is formed in the middle of one end of the wear-resisting plate, clamped on a transverse plate in the support mechanism and used for moving back and forth by taking the transverse plate as a slide way; the non-clamping groove end of the wear-resistant block is clamped in the box body.
9. the hydraulic excavator cylinder guard of claim 8 wherein: the mounting seat is composed of an opening box body formed by welding a threaded plate and a plurality of flat plates, the threaded plate is fixed on the bottom surface of the opening box body, and U-shaped grooves corresponding to each other are respectively arranged on the side surfaces of the wide edge of the opening box body and used for being clamped on a transverse plate in the support mechanism.
10. The utility model provides a hydraulic excavator, includes the hydro-cylinder, its characterized in that: a hydraulic excavator cylinder guard according to any one of claims 1 to 9 provided on the cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910932501.6A CN110565731A (en) | 2019-09-29 | 2019-09-29 | Hydraulic excavator oil cylinder protection device and hydraulic excavator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910932501.6A CN110565731A (en) | 2019-09-29 | 2019-09-29 | Hydraulic excavator oil cylinder protection device and hydraulic excavator |
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| Publication Number | Publication Date |
|---|---|
| CN110565731A true CN110565731A (en) | 2019-12-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910932501.6A Pending CN110565731A (en) | 2019-09-29 | 2019-09-29 | Hydraulic excavator oil cylinder protection device and hydraulic excavator |
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| CN (1) | CN110565731A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113216307A (en) * | 2021-05-19 | 2021-08-06 | 曲阳金隅水泥有限公司 | Protection device for hydraulic oil pipe of breaking hammer |
| CN114875997A (en) * | 2022-04-13 | 2022-08-09 | 中联重科土方机械有限公司 | Control method and control device for excavator, controller and excavator |
| CN115354711A (en) * | 2022-08-29 | 2022-11-18 | 安徽铜冠（庐江）矿业有限公司 | Novel protection device for steering oil cylinder of underground scraper |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2890180Y (en) * | 2005-12-08 | 2007-04-18 | 王峰 | Engineering machinery oil cylinder piston rod protection device |
| KR20080061066A (en) * | 2006-12-28 | 2008-07-02 | 현대중공업 주식회사 | The cover of cylinder for excavator |
| CN205371153U (en) * | 2016-01-12 | 2016-07-06 | 山东临工工程机械有限公司 | Protection device for hydraulic cylinder |
| CN206617680U (en) * | 2017-03-09 | 2017-11-07 | 宁波丰沃涡轮增压系统有限公司 | integrated hoop structure |
| CN207297527U (en) * | 2017-10-13 | 2018-05-01 | 浙江云沃汽车科技有限公司 | A kind of engine clip of convenient installation |
| CN209146505U (en) * | 2018-12-11 | 2019-07-23 | 中山市赫辉金属制造有限公司 | A kind of swing pipe clip |
| CN210797713U (en) * | 2019-09-29 | 2020-06-19 | 徐州徐工矿业机械有限公司 | Hydraulic excavator and hydraulic excavator oil cylinder protection device thereof |
-
2019
- 2019-09-29 CN CN201910932501.6A patent/CN110565731A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2890180Y (en) * | 2005-12-08 | 2007-04-18 | 王峰 | Engineering machinery oil cylinder piston rod protection device |
| KR20080061066A (en) * | 2006-12-28 | 2008-07-02 | 현대중공업 주식회사 | The cover of cylinder for excavator |
| CN205371153U (en) * | 2016-01-12 | 2016-07-06 | 山东临工工程机械有限公司 | Protection device for hydraulic cylinder |
| CN206617680U (en) * | 2017-03-09 | 2017-11-07 | 宁波丰沃涡轮增压系统有限公司 | integrated hoop structure |
| CN207297527U (en) * | 2017-10-13 | 2018-05-01 | 浙江云沃汽车科技有限公司 | A kind of engine clip of convenient installation |
| CN209146505U (en) * | 2018-12-11 | 2019-07-23 | 中山市赫辉金属制造有限公司 | A kind of swing pipe clip |
| CN210797713U (en) * | 2019-09-29 | 2020-06-19 | 徐州徐工矿业机械有限公司 | Hydraulic excavator and hydraulic excavator oil cylinder protection device thereof |
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