CN114809149A - Bucket and mining excavator - Google Patents
Bucket and mining excavator Download PDFInfo
- Publication number
- CN114809149A CN114809149A CN202210438455.6A CN202210438455A CN114809149A CN 114809149 A CN114809149 A CN 114809149A CN 202210438455 A CN202210438455 A CN 202210438455A CN 114809149 A CN114809149 A CN 114809149A
- Authority
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- China
- Prior art keywords
- bucket
- opening
- dipper
- hinged
- closed position
- Prior art date
- 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.)
- Pending
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- 238000005065 mining Methods 0.000 title claims abstract description 29
- 239000000463 material Substances 0.000 claims abstract description 21
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 10
- 239000010959 steel Substances 0.000 claims abstract description 10
- 238000007599 discharging Methods 0.000 claims abstract description 4
- 239000004519 grease Substances 0.000 claims description 9
- 230000007246 mechanism Effects 0.000 claims description 9
- 238000013017 mechanical damping Methods 0.000 claims 2
- 238000000034 method Methods 0.000 description 7
- 230000009471 action Effects 0.000 description 5
- 230000003139 buffering effect Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 230000001771 impaired effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/46—Dredgers; Soil-shifting machines mechanically-driven with reciprocating digging or scraping elements moved by cables or hoisting ropes ; Drives or control devices therefor
- E02F3/58—Component parts
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/46—Dredgers; Soil-shifting machines mechanically-driven with reciprocating digging or scraping elements moved by cables or hoisting ropes ; Drives or control devices therefor
- E02F3/58—Component parts
- E02F3/60—Buckets, scrapers, or other digging elements
Abstract
The invention discloses a bucket and a mining excavator, wherein the bucket comprises: the bucket comprises a bucket body and a bucket body, wherein the bucket body is provided with a containing groove for containing materials, the containing groove is provided with a front opening for receiving the materials and a bottom opening for discharging the materials, and bucket teeth are arranged at the lower end of the front opening of the bucket body; a dipper door mounted at one end of the bottom opening of the dipper body and capable of pivotal movement relative to the dipper body between an open position and a closed position to open and close the bottom opening; the equalizing beam comprises a body and rope grooves, the body is hinged to the upper end of the front opening of the bucket main body, the rope grooves comprise at least two, and the at least two rope grooves are symmetrically arranged on two sides of the body and are used for being connected with lifting steel wire ropes of the mining excavator. The invention can improve the working range of the bucket, increase the unloading height of the excavator, avoid the problems of large bucket bottom impact, difficult bucket opening and the like when the excavator is matched with crushing stations with the same specification for working, and effectively reduce the weight of the bucket.
Description
Technical Field
The invention relates to the technical field of excavators, in particular to a bucket and a mining excavator.
Background
The prior mining excavator mainly comprises a rotary platform, an A-shaped frame, a crane boom, a bucket rod, a bucket, a pushing device, a lifting device, a guy rope, a lifting steel wire rope and the like, wherein the bucket is a key part of the mining excavator and is directly used for excavating materials. In the existing mining excavator, the upper part of a bucket is connected with a bucket rod, the upper part of a front notch of the bucket is connected with a hoisting steel wire rope through a lifting beam, the bottom of the bucket is provided with an opening, the bottom of the bucket is provided with a bucket bottom, and the bucket bottom can rotate under the control of a set closing mechanism so as to open or close the bottom opening of the bucket, wherein the working range of the mining excavator is determined by the angle of the bucket rod, the angle of the hoisting steel wire rope, the shape and the structural form of the bucket.
When the existing mining excavator is used, the working range and the unloading height formed by a bucket structure, a bucket rod and a hoisting steel wire rope must be reasonably matched with equipment working in a matched mode, if the working range and the unloading height are not enough, the bucket is difficult to load, the bucket bottom is more in times when being opened, the problem that the impact of the bucket bottom on a bucket body is large when the bucket is opened is solved, the working efficiency of the equipment is low, the planned yield cannot be met, and cracks are generated on the bucket bottom or the bucket body.
The existing mining excavator is usually configured with a mine car for use, and the working range and the unloading height of the existing mining excavator can be reasonably matched with the mine car; however, under some working conditions, the mining excavator needs to be matched with the self-moving crushing station to work, and at the moment, because the height of a receiving hopper of the self-moving crushing station under the same specification is about 1.5 meters higher than the height of a carriage of a bucket body of the mining excavator, the problems that the bucket bottom impact is large, the bucket opening is difficult and the like exist when the existing mining excavator is matched with the crushing station to work.
Disclosure of Invention
In order to solve part or all of the technical problems in the prior art, the invention provides a bucket and a mining excavator.
The technical scheme of the invention is as follows:
in a first aspect, there is provided a bucket for a mining excavator, comprising:
a bucket body having a receiving tank for receiving material, the receiving tank having a front opening for receiving material and a bottom opening for discharging material, the bucket body having bucket teeth at a lower end of the front opening;
a dipper door mounted at one end of the bottom opening of the dipper body for pivotal movement relative to the dipper body between an open position and a closed position to open and close the bottom opening;
the equalizing beam comprises a body and rope grooves, the body is hinged to the upper end of the front opening of the bucket main body, the rope grooves comprise at least two rope grooves, and the at least two rope grooves are symmetrically arranged on two sides of the body and used for being connected with lifting steel wire ropes of the mining excavator.
In some possible implementation manners, the upper end of the front opening of the bucket main body is provided with at least two lug plates, pin holes are formed in the lug plates, and the body is hinged to the lug plates through pin shafts.
In some possible implementations, a protection plate is installed on the body, and the protection plate is located at an upper portion of the rope groove.
In some possible implementations, the dipper door includes a swing bracket and a floor;
one end of the rotating support is hinged to the top of the bucket body, the other end of the rotating support is connected with the bottom plate, and the rotating support can rotate around a hinged point of the rotating support and the bucket body and is used for driving the bottom plate to move between an opening position and a closing position relative to the bucket body;
the bottom plate is paired with the bottom opening for opening and closing the bottom opening.
In some possible implementations, the dipper further includes a latching mechanism configured to hold the dipper door in a closed position;
the lockout mechanism includes: fulcrum box, the lever of opening the bucket, fill and tie, loose pulley assembly and act as go-between, the fulcrum box is installed on the dipper door, it rotationally connects to open bucket lever one end on the fulcrum box, and the other end is installed loose pulley assembly, fill and tie and install the opening lever is close to one side of fulcrum box, the lateral wall of scraper bowl main part seted up with fill and tie the location opening that pairs mutually, when the dipper door is in the closed position, fill and tie and can insert the scraper bowl main part location opening, loose pulley assembly includes at least one movable pulley, act as go-between have and be suitable for one end and walk around loose pulley assembly is connected to the other end of dipper door.
In some possible implementation manners, the bucket further comprises a hydraulic buffer oil cylinder, the hydraulic buffer oil cylinder is arranged at the top of the bucket body, one end of the hydraulic buffer oil cylinder is hinged to the bucket body, and the other end of the hydraulic buffer oil cylinder is hinged to the rotating support.
In some possible implementations, the dipper further includes a mechanical buffering structure, the mechanical buffering structure is mounted on the dipper body, and when the dipper door is in the closed position, the mechanical buffering structure abuts against the rotating bracket, and the mechanical buffering structure is configured to buffer a movement of the dipper door when the dipper door moves from the open position to the closed position.
In some possible implementation manners, the mechanical buffer structure includes a buffer frame, the buffer frame is installed on the bucket body, an insulating grease is arranged inside the buffer frame, and when the bucket bottom door is in the closed position, the rotating support abuts against the insulating grease.
In some possible implementation manners, the front end and the rear end of the top of the bucket body are provided with bucket rod hinged seats, hinged holes are formed in the bucket rod hinged seats, and the bucket rod hinged seats are used for being hinged with a bucket rod of the mining excavator.
In a second aspect, a mining shovel is also provided, which comprises the bucket.
The technical scheme of the invention has the following main advantages:
according to the bucket, the balance beam is directly hinged with the bucket body, and the balance beam is directly connected with the lifting steel wire rope of the excavator, so that the working height range of the bucket can be enlarged, the unloading height of the excavator can be increased, the problems of large bucket bottom impact, difficulty in bucket opening and the like in the process of matching the excavator with crushing stations of the same specification during working can be avoided, the weight of the bucket can be effectively reduced, and materials required for preparing the bucket can be reduced.
Drawings
The accompanying drawings, which are included to provide a further understanding of embodiments of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural diagram of a bucket according to an embodiment of the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a bottom view of FIG. 1;
FIG. 4 is a schematic structural diagram of an equalizing beam according to an embodiment of the present invention;
FIG. 5 is a side view of FIG. 4;
FIG. 6 is a schematic structural diagram of a mechanical buffer structure according to an embodiment of the present invention;
FIG. 7 is a schematic illustration of the assembled bucket and mining shovel of one embodiment of the present invention;
fig. 8 is an enlarged view of the region I in fig. 7.
Description of reference numerals:
1-bucket body, 11-bucket tooth, 12-lug plate, 13-bucket rod hinged seat, 2-bucket bottom door, 21-rotating support, 22-bottom plate, 3-equalizing beam, 31-body, 32-rope groove, 33-protection plate, 41-fulcrum box, 42-bucket opening lever, 43-bucket bolt, 44-pulley assembly, 45-stay wire, 5-hydraulic buffer oil cylinder, 6-mechanical buffer structure, 61-buffer frame, 62-insulating grease, 7-lifting steel wire rope and 8-bucket rod.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the specific embodiments of the present invention and the accompanying drawings. It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
The technical scheme provided by the embodiment of the invention is described in detail below with reference to the accompanying drawings.
In a first aspect, and with reference to fig. 1-8, an embodiment of the present invention provides a bucket for a mining excavator, the bucket comprising:
the bucket comprises a bucket body 1, wherein the bucket body 1 is provided with a containing groove for containing materials, the containing groove is provided with a front opening for receiving the materials and a bottom opening for discharging the materials, and the bucket body 1 is provided with bucket teeth 11 at the lower end of the front opening;
a dipper door 2 mounted at one end of the bottom opening of the dipper body 1, the dipper door 2 being pivotally movable between an open position and a closed position with respect to the dipper body 1 to open and close the bottom opening;
the equalizing beam 3, equalizing beam 3 include body 31 and grooving 32, and body 31 articulates in the anterior open-ended upper end of bucket main part 1, and grooving 32 includes at least two, and at least two grooving 32 symmetrical arrangement are in the both sides of body 31 for connect mining excavator's hoist wire rope 7.
According to the bucket provided by the embodiment of the invention, the equalizing beam 3 is directly hinged with the bucket body 1, and the equalizing beam 3 is directly connected with the lifting steel wire rope 7 of the excavator, so that the working height range of the bucket can be increased, the unloading height of the excavator can be increased, the problems of large bucket bottom impact, difficulty in bucket opening and the like in bucket opening when the excavator is matched with a crushing station with the same specification in working can be avoided, the weight of the bucket can be effectively reduced, and materials required for preparing the bucket can be reduced.
Further, referring to fig. 1-2, in order to facilitate the installation of the equalizing beam 3 and improve the structural strength of the bucket, in an embodiment of the present invention, at least two ear plates 12 are disposed at the upper end of the front opening of the bucket body 1, pin holes are disposed on the ear plates 12, and the body 31 is hinged to the ear plates 12 through pin shafts.
Further, referring to fig. 4-5, in an embodiment of the present invention, a protection plate 33 is installed on the body 31 of the equalizing beam 3, and the protection plate 33 is located at an upper portion of the rope groove 32.
Through set up protection plate 33 on the body 31 at equalizing beam 3, can utilize protection plate 33 to protect rope groove 32 and last hoisting wire rope 7, avoid carrying out the in-process that the material was excavated and was loaded at the scraper bowl, the problem that the material directly strikes rope groove 32 and lead to that rope groove 32 is impaired and hoisting wire rope 7 from the landing in rope groove 32 appears, can improve this equalizing beam 3's life and reliability in utilization.
Alternatively, the rope groove 32 on the equalizing beam 3 can adopt a semicircular rope groove 32.
Further, referring to fig. 1 to 3, in order to improve the rotation control stability and the structural stability of the dipper door 2, in an embodiment of the present invention, the dipper door 2 may include a rotation bracket 21 and a bottom plate 22;
one end of the rotating bracket 21 is hinged to the top of the bucket body 1, the other end of the rotating bracket 21 is connected with the bottom plate 22, and the rotating bracket 21 can rotate around a hinged point of the rotating bracket and the bucket body 1 and is used for driving the bottom plate 22 to move between an open position and a closed position relative to the bucket body 1;
the bottom plate 22 is paired with a bottom opening for opening and closing the bottom opening.
Further, referring to fig. 3 and 8, in order to facilitate the excavator operator to control the opening and closing of the dipper door 2 to control the bucket for material excavating loading and unloading, in one embodiment of the present invention, the bucket may further include a latching mechanism configured to hold the dipper door 2 in a closed position;
wherein, the blocked mechanical system includes: the bucket door comprises a fulcrum box 41, an opening lever 42, a bucket bolt 43, a pulley assembly 44 and a pull wire 45, wherein the fulcrum box 41 is installed on the bucket bottom door 2, one end of the opening lever 42 is rotatably connected to the fulcrum box 41, the pulley assembly 44 is installed at the other end of the opening lever, the bucket bolt 43 is installed on one side of the opening lever close to the fulcrum box 41, a positioning opening matched with the bucket bolt 43 is formed in the side wall of the bucket body 1, when the bucket bottom door 2 is in a closed position, the bucket bolt 43 can be inserted into the positioning opening of the bucket body 1, the pulley assembly 44 comprises at least one movable pulley, and the pull wire 45 is provided with one end suitable for being controlled and the other end connected to the bucket bottom door 2 by bypassing the pulley assembly 44.
For the bucket with the locking mechanism, when the bucket bottom door 2 needs to be opened to unload materials, an excavator operator can pull one end of the pull wire 45, the other end of the pull wire 45 pulls the pulley assembly 44 synchronously, the pulley assembly 44 drives the bucket opening lever 42 to rotate along the connecting fulcrum of the fulcrum box 41, the bucket bolt 43 mounted on the bucket opening lever 42 moves in the direction departing from the positioning opening of the bucket body 1 to be separated from the positioning opening, and after the bucket bolt 43 is completely separated from the positioning opening, the bucket bottom door 2 rotates and opens under the action of the gravity of the bucket bottom door and the gravity of any material in the bucket body 1. When the dipper door 2 needs to be closed for material digging and loading, the bucket is controlled to swing downwards, so that the dipper door 2 moves to the closed position based on inertia, in the process of moving the dipper door 2 to the closed position, the dipper body 1 can contact with the inclined surface of the dipper bolt 43, the dipper bolt 43 is firstly pushed to move in the direction departing from the dipper body 1, and after the dipper bolt 43 is opposite to the positioning opening on the dipper body 1, the dipper bolt 43 is inserted into the positioning opening under the action of gravity, so that the dipper door 2 is kept at the closed position.
The locking mechanism provided by the embodiment of the invention can realize the active control of the position of the dipper door 2, and can reduce the pulling force required to be applied to the pulling wire 45 when opening the bucket by connecting the pulling wire 45 and the bucket opening lever 42 by using the pulley assembly 44 comprising at least one movable pulley, thereby improving the control reliability and the service life of the locking mechanism.
Further, referring to fig. 1, in an embodiment of the present invention, the bucket may further include a hydraulic buffer cylinder 5, the hydraulic buffer cylinder 5 is disposed at the top of the bucket body 1, and one end of the hydraulic buffer cylinder 5 is hinged to the bucket body 1, and the other end is hinged to the rotating bracket 21.
The hydraulic buffer oil cylinder 5 is hinged to the rotating support 21 of the bucket body 1 and the bucket bottom door 2, the hydraulic buffer oil cylinder 5 can be used for buffering the movement of the bucket bottom door 2, the impact of the bucket bottom door 2 on the bucket body 1 can be reduced, and the service lives of the bucket bottom door 2 and the bucket body 1 are prolonged.
Further, referring to fig. 1-2 and 6, in an embodiment of the present invention, the bucket may further include a mechanical buffer structure 6, the mechanical buffer structure 6 is mounted on the bucket body 1, and when the dipper door 2 is in the closed position, the mechanical buffer structure 6 abuts against the rotating bracket 21, and the mechanical buffer structure 6 is configured to buffer the movement of the dipper door 2 when the dipper door 2 moves from the open position to the closed position.
The mechanical buffer structure 6 is arranged to buffer the movement of the bucket bottom door 2, so that the impact of the bucket bottom door 2 on the bucket body 1 can be further reduced, and the service lives of the bucket bottom door 2 and the bucket body 1 are prolonged; and the mechanical buffer structure 6 can be matched with the hydraulic buffer oil cylinder 5 for use, so that the load of the hydraulic buffer oil cylinder 5 is reduced, and the service life of the hydraulic buffer oil cylinder 5 is prolonged.
Specifically, referring to fig. 6, in an embodiment of the present invention, the mechanical buffer structure 6 may include a buffer frame 61, the buffer frame 61 is mounted on the bucket body 1, an insulating grease 62 is disposed inside the buffer frame 61, and the rotating bracket 21 abuts against the insulating grease 62 when the dipper door 2 is in the closed position.
Based on the above-mentioned mechanical buffer structure 6, when the dipper door 2 moves to the closed position, the dipper door 2 will contact the insulating grease 62 first, and at this moment, the insulating grease 62 can buffer the movement of the dipper door 2, and reduce the impact of the dipper door 2 on the dipper body 1.
Further, referring to fig. 1, in order to facilitate connection of the bucket and the bucket rod 8, in an embodiment of the present invention, bucket rod hinge seats 13 are disposed at front and rear ends of the top of the bucket body 1, a hinge hole is formed in each bucket rod hinge seat 13, and the bucket rod hinge seats 13 are used for being hinged to the bucket rod 8 of the mining excavator.
In a second aspect, an embodiment of the present invention further provides a mining excavator, which includes the bucket.
It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. In addition, "front", "rear", "left", "right", "upper" and "lower" in this document are referred to the placement states shown in the drawings.
Finally, it should be noted that: the above examples are only for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A bucket for a mining excavator, comprising:
a bucket body having a receiving tank for receiving material, the receiving tank having a front opening for receiving material and a bottom opening for discharging material, the bucket body having bucket teeth at a lower end of the front opening;
a dipper door mounted at one end of the bottom opening of the dipper body for pivotal movement relative to the dipper body between an open position and a closed position to open and close the bottom opening;
the equalizing beam comprises a body and rope grooves, the body is hinged to the upper end of the front opening of the bucket main body, the rope grooves comprise at least two rope grooves, and the at least two rope grooves are symmetrically arranged on two sides of the body and used for being connected with lifting steel wire ropes of the mining excavator.
2. The bucket of claim 1 wherein the front opening of the bucket body has at least two lugs formed thereon, the lugs having pin holes, the body being pivotally connected to the lugs by a pin.
3. The bucket of claim 1 wherein a guard is mounted to the body and positioned above the rope grooves.
4. A dipper in accordance with any one of claims 1-3 wherein said dipper door includes a swing bracket and a floor;
one end of the rotating support is hinged to the top of the bucket body, the other end of the rotating support is connected with the bottom plate, and the rotating support can rotate around a hinged point of the rotating support and the bucket body and is used for driving the bottom plate to move between an opening position and a closing position relative to the bucket body;
the bottom plate is paired with the bottom opening for opening and closing the bottom opening.
5. The dipper of claim 4, further comprising a latching mechanism configured to hold the dipper door in a closed position;
the lockout mechanism includes: fulcrum box, the lever of opening the bucket, fill and tie, loose pulley assembly and act as go-between, the fulcrum box is installed on the dipper door, it rotationally connects to open bucket lever one end on the fulcrum box, and the other end is installed loose pulley assembly, fill and tie and install the opening lever is close to one side of fulcrum box, the lateral wall of scraper bowl main part seted up with fill and tie the location opening that pairs mutually, when the dipper door is in the closed position, fill and tie and can insert the scraper bowl main part location opening, loose pulley assembly includes at least one movable pulley, act as go-between have and be suitable for one end and walk around loose pulley assembly is connected to the other end of dipper door.
6. The bucket set forth in claim 4 further comprising a hydraulic cushion cylinder disposed at the top of the bucket body, the hydraulic cushion cylinder having one end hinged to the bucket body and the other end hinged to the pivot bracket.
7. The dipper of claim 4, further comprising a mechanical damping structure mounted to the dipper body and abutting the swing bracket when the dipper door is in the closed position, the mechanical damping structure configured to damp movement of the dipper door as the dipper door moves from the open position to the closed position.
8. The bucket of claim 7 wherein the mechanical cushioning structure comprises a cushioning frame mounted to the bucket body, the cushioning frame having an insulating grease disposed therein, the rotating bracket abutting the insulating grease when the dipper door is in the closed position.
9. The bucket according to any one of claims 1 to 8, wherein bucket rod hinge seats are arranged at the front end and the rear end of the top of the bucket body, hinge holes are formed in the bucket rod hinge seats, and the bucket rod hinge seats are used for being hinged with a bucket rod of the mining excavator.
10. A mining shovel, characterized in that it comprises a bucket according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210438455.6A CN114809149A (en) | 2022-04-25 | 2022-04-25 | Bucket and mining excavator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210438455.6A CN114809149A (en) | 2022-04-25 | 2022-04-25 | Bucket and mining excavator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114809149A true CN114809149A (en) | 2022-07-29 |
Family
ID=82507118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210438455.6A Pending CN114809149A (en) | 2022-04-25 | 2022-04-25 | Bucket and mining excavator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114809149A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3531088A (en) * | 1968-03-04 | 1970-09-29 | Bucyrus Erie Co | Hoist mechanism for bucket |
| US20070214688A1 (en) * | 2004-01-23 | 2007-09-20 | Wallet Grant A D | Bucket For A Mechanical Shovel |
| US20110146114A1 (en) * | 2005-07-13 | 2011-06-23 | Harnischfeger Technologies, Inc. | Dipper door latch with locking mechanism |
| US20140007466A1 (en) * | 2012-07-09 | 2014-01-09 | Harnischfeger Technologies, Inc. | Bail assembly |
| CN103628513A (en) * | 2013-12-05 | 2014-03-12 | 太原重工股份有限公司 | Handle device of digging bucket and digging bucket |
| US20140165431A1 (en) * | 2012-12-19 | 2014-06-19 | Caterpillar Global Mining Llc | Hydraulic door snubber |
| CN103882899A (en) * | 2012-09-21 | 2014-06-25 | 哈尼施费格尔技术公司 | Rope shovel |
| CN204252180U (en) * | 2014-05-20 | 2015-04-08 | 上海三一重机有限公司 | A kind of cylinder type open bucket buffer gear and excavator |
| US20150345106A1 (en) * | 2014-06-02 | 2015-12-03 | Harnischfeger Technologies, Inc. | Equalizer for a mining shovel |
| US20180087593A1 (en) * | 2016-09-28 | 2018-03-29 | Harnischfeger Technologies, Inc. | Snubber for shovel dipper |
| CN111173055A (en) * | 2019-12-31 | 2020-05-19 | 太原重工股份有限公司 | Excavator steel wire rope winding device and winding method |
-
2022
- 2022-04-25 CN CN202210438455.6A patent/CN114809149A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3531088A (en) * | 1968-03-04 | 1970-09-29 | Bucyrus Erie Co | Hoist mechanism for bucket |
| US20070214688A1 (en) * | 2004-01-23 | 2007-09-20 | Wallet Grant A D | Bucket For A Mechanical Shovel |
| US20110146114A1 (en) * | 2005-07-13 | 2011-06-23 | Harnischfeger Technologies, Inc. | Dipper door latch with locking mechanism |
| US20140007466A1 (en) * | 2012-07-09 | 2014-01-09 | Harnischfeger Technologies, Inc. | Bail assembly |
| CN103882899A (en) * | 2012-09-21 | 2014-06-25 | 哈尼施费格尔技术公司 | Rope shovel |
| US20140165431A1 (en) * | 2012-12-19 | 2014-06-19 | Caterpillar Global Mining Llc | Hydraulic door snubber |
| CN103628513A (en) * | 2013-12-05 | 2014-03-12 | 太原重工股份有限公司 | Handle device of digging bucket and digging bucket |
| CN204252180U (en) * | 2014-05-20 | 2015-04-08 | 上海三一重机有限公司 | A kind of cylinder type open bucket buffer gear and excavator |
| US20150345106A1 (en) * | 2014-06-02 | 2015-12-03 | Harnischfeger Technologies, Inc. | Equalizer for a mining shovel |
| US20180087593A1 (en) * | 2016-09-28 | 2018-03-29 | Harnischfeger Technologies, Inc. | Snubber for shovel dipper |
| CN111173055A (en) * | 2019-12-31 | 2020-05-19 | 太原重工股份有限公司 | Excavator steel wire rope winding device and winding method |
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