CN203236194U - Replacing device for hinged pin roll mechanism of stacker cantilever - Google Patents
Replacing device for hinged pin roll mechanism of stacker cantilever Download PDFInfo
- Publication number
- CN203236194U CN203236194U CN 201320247468 CN201320247468U CN203236194U CN 203236194 U CN203236194 U CN 203236194U CN 201320247468 CN201320247468 CN 201320247468 CN 201320247468 U CN201320247468 U CN 201320247468U CN 203236194 U CN203236194 U CN 203236194U
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- cantilever
- stacker
- pin shaft
- supporting
- bearing pin
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Abstract
The utility model discloses a replacing device for a hinged pin roll mechanism of a stacker cantilever. A revolving platform (1) of a stacker is provided with a support (2), and the cantilever (3) is hinged to the support (2) through the hinged pin roll mechanism. The replacing device comprises a supporting mechanism and a pin roll dismounting mechanism, the supporting mechanism is used for supporting the cantilever (3), and the pin roll dismounting mechanism is used for mounting or dismounting the hinged pin roll mechanism. According to the replacing device for the hinged pin roll mechanism of the stacker cantilever, the supporting mechanism is arranged on the revolving platform of the stacker to support the cantilever, and then the pin roll dismounting mechanism is used for mounting or dismounting the hinged pin roll mechanism. The pin roll dismounting mechanism enables materials to be drawn conveniently and is composed of various common parts such as a welding plate, a long bolt, a screw rod and an oil pickaxe, therefore, the structure is simple, and the replacing device can be used for maintaining the hinged pin roll mechanism conveniently and effectively.
Description
Technical field
The utility model relates to a kind of workpiece of safeguarding of stacker, particularly, relates to a kind of more changing device of the hinging pin shaft mechanism for the stacker cantilever.
Background technology
Be illustrated in figure 1 as the stacker of 8000T/H, in order to mate the four turning operations of turning over the formula tippler, the high efficiency of this stacker is turned over 4 joint train covers at every turn, and the width of ground belt is 2.4 meters.About 50 meters of the length of stacker cantilever 3, approximately 20 meters of the whole heights of stacker, cantilever 3 is articulated on the support 2 on the revolving dial 1 by hinging pin shaft mechanism (comprising the bearing pin 11 shown in Fig. 1), can carry out plane rotation by revolving dial 1.And by stretching with the change luffing angle of pitching oil cylinder 4, Fig. 2 has shown the two kind pitch position of cantilever 3 under 4 effects of pitching oil cylinder, i.e. the highest pitch position and minimum pitch position.Wherein, the hinging pin shaft mechanism structure of cantilever 3 is huge, weight is large, and aspect ratio is higher, does not have special-purpose maintenance tool, keep in repair very difficultly, and employing lifting device etc. is then wasted resource, and limited by the place of production.Therefore, be necessary to be designed for pointedly the special replacement device of this hinging pin shaft mechanism of dismounting.
The utility model content
The purpose of this utility model provides a kind of more changing device of the hinging pin shaft mechanism for the stacker cantilever, and its structure forms simple, can be used in convenient and safeguards efficiently hinging pin shaft mechanism.
To achieve these goals, the utility model provides a kind of more changing device of the hinging pin shaft mechanism for the stacker cantilever, the revolving dial of described stacker is provided with support, described cantilever is articulated on the described support by described hinging pin shaft mechanism, described more changing device comprises supporting mechanism and pin assembling/disassembling/mechanism, described supporting mechanism is used for supporting described cantilever, and described pin assembling/disassembling/mechanism is used for the described hinging pin shaft of installation or removal mechanism.
Preferably, described supporting mechanism comprises the first supporting seat, the second supporting seat, the first base and the second base, described the first supporting seat and the second supporting seat are separately positioned on described support both sides and are fixedly mounted on the described revolving dial, described the first base and the second base be fixedly installed on respectively described cantilever the bottom and can be relative with the second supporting seat position with described the first supporting seat respectively.
Preferably, described supporting mechanism also comprises jacking cylinder, and this jacking cylinder is arranged between described the first supporting seat and the first base and/or between described the second supporting seat and the second base.
Preferably, described supporting mechanism also comprises a plurality of locating pieces, and this locating piece is located on described cantilever, the first supporting seat or the second supporting seat.
Preferably, described supporting mechanism also comprises maintenance platform, on the relative other end of the hinged end that is hinged with described support that this maintenance platform is arranged on described cantilever, to be used for supporting described cantilever.
Preferably, described hinging pin shaft mechanism comprises bearing pin, and described pin assembling/disassembling/mechanism comprises oily pick and oily pick support member, and this oil pick support member is fixedly connected on the axial frame of described pin, one end of described oily pick is resisted against on the described oily pick support member, and the other end is used for the described bearing pin of pushing tow.
Preferably, described oily pick support member comprises gripper shoe and a plurality of screw mandrel, these a plurality of screw mandrels are fixedly connected on the described frame, described gripper shoe is provided with run through screw and by this run through screw corresponding with described screw mandrel and is sleeved on the described screw mandrel, be respectively equipped with at least two hold-down nuts on each described screw mandrel, these at least two hold-down nuts are separately positioned on the both sides of described gripper shoe to fix this gripper shoe.
Preferably, described oily pick support member is for having base plate and open-topped hollow brandreth, and the open top end of this brandreth is welded on the described frame, and the described base plate of described brandreth is used for supporting described oily pick.
Preferably, described hinging pin shaft mechanism also comprises the end flange that is located at described bearing pin two ends, this end flange is provided with a plurality of threaded mounting holes, described pin assembling/disassembling/mechanism also comprises a plurality of liftout bolts, these a plurality of liftout bolts are threaded in respectively in the threaded mounting hole of described end flange, and the end of described liftout bolt is resisted against on the described frame to be used for dismantling described end flange by the described liftout bolt of turn.
Preferably, described hinging pin shaft mechanism comprises the axle sleeve that is set on the described bearing pin, and described pin assembling/disassembling/mechanism also comprises the pushing tow sleeve member for the described axle sleeve of pushing tow, and the diameter of this pushing tow sleeve member is greater than the diameter of described bearing pin and less than the diameter of described axle sleeve.
Preferably, described pin assembling/disassembling/mechanism also comprise be arranged on described bearing pin eject side to be used for laying the bearing pin bearing stage of described bearing pin, the height and position of the end face of this bearing pin bearing stage is not higher than the lower edge position of described bearing pin, and described bearing pin bearing stage is provided with along the axial groove of described pin.
Pass through technique scheme, the more changing device of the hinging pin shaft mechanism for the stacker cantilever of the present utility model, by supporting mechanism is set to support cantilever at the stacker revolving dial, then pass through pin assembling/disassembling/mechanism with installation or removal hinging pin shaft mechanism.Pin assembling/disassembling/mechanism wherein can conveniently draw materials, and be comprised of common various parts such as welded plate, stay bolt, screw mandrel, oily pick etc., thereby the structure composition is simple, can be used in and conveniently and efficiently safeguards hinging pin shaft mechanism.
Other feature and advantage of the present utility model will partly be described in detail in the specific embodiment subsequently.
Description of drawings
Accompanying drawing is to be used to provide further understanding of the present utility model, and consists of the part of specification, is used from explanation the utility model with the following specific embodiment one, but does not consist of restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structural representation of stacker of the prior art;
Fig. 2 is the mounting structure schematic diagram of supporting mechanism on stacker according to preferred embodiment of the present utility model, show the articulated structure of stacker cantilever among the figure and shown the two kind pitch position of cantilever under the effect of pitching oil cylinder, i.e. the highest pitch position and minimum pitch position;
Fig. 3 is the mounting structure schematic diagram according to the locating piece of preferred embodiment of the present utility model;
Fig. 4 is the state diagram of pin assembling/disassembling/mechanism when bearing pin is ejected according to preferred embodiment of the present utility model, has adopted the oily pick support member that comprises screw mandrel and gripper shoe among the figure;
Fig. 5 is the state diagram of pin assembling/disassembling/mechanism when bearing pin is packed into according to preferred embodiment of the present utility model, wherein illustrates the brandreth as oily pick support member;
Fig. 6 is the state diagram of pin assembling/disassembling/mechanism when dismantling end flange according to preferred embodiment of the present utility model; And
Fig. 7 is the state diagram of pin assembling/disassembling/mechanism when ejecting axle sleeve according to preferred embodiment of the present utility model.
Description of reference numerals
The specific embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present utility model is elaborated.Should be understood that, the specific embodiment described herein only is used for description and interpretation the utility model, and protection domain of the present utility model is not limited to the following specific embodiment.
At first explanation is, hereinafter in the description of the specific embodiment, in the situation that do opposite explanation, the noun of locality of use as " upper and lower, top, the end " normally for direction shown in the drawings or for vertically, each parts mutual alignment relationship description word on the vertical or gravity direction.These nouns of locality are to adopt for the ease of understanding, thereby should not consist of the restriction to the utility model protection domain.
Referring to Fig. 2 to Fig. 7, the utility model provides a kind of more changing device of the hinging pin shaft mechanism for the stacker cantilever, and wherein, the revolving dial 1 of stacker is provided with support 2, and cantilever 3 is articulated on the support 2 by hinging pin shaft mechanism.More changing device of the present utility model comprises supporting mechanism and pin assembling/disassembling/mechanism, and supporting mechanism is used for supporting cantilever 3, and pin assembling/disassembling/mechanism is used for installation or removal hinging pin shaft mechanism.Design concept of the present utility model be first in conjunction with pitching oil cylinder 4 and by supporting mechanism with jacking with support cantilever 3 so that the hinging pin shaft mechanism unloading of cantilever 3, thus the operation of replacing.Then, carry out the replacing operation of the hinging pin shaft mechanism components such as bearing pin, axle sleeve when the pin assembling/disassembling/mechanism that member forms by letter.So just avoided using electric block that large-scale crane or use be not easy to install etc., handled easily has also been saved resource.
Wherein, for with cantilever 3 jack-up, as shown in Figures 2 and 3, supporting mechanism in the present embodiment comprises the first supporting seat 5, the second supporting seat 6, the first base 7 and the second base 8, the first supporting seat 5 and the second supporting seat 6 are separately positioned on support 2 both sides and are fixedly mounted on the revolving dial 1, the first base 7 and the second base 8 be fixedly installed on respectively cantilever 3 the bottom and can be relative with the second supporting seat 6 positions with the first supporting seat 5 respectively.Like this, by operation pitching oil cylinder 4 so that cantilever 3 pitching certain angles, this moment in the one or both sides of the support 2 of A shape shelf structure so that the base that is oppositely arranged and supporting seat engage, thereby can be so that bearing pin 11 off-loads by continuing manipulation pitching oil cylinder 4.Certainly, supporting mechanism wherein also can comprise the jacking cylinder (not shown), this jacking cylinder is arranged between the first supporting seat 5 and the first base 7 and/or between the second supporting seat 6 and the second base 8, thus needn't utilize pitching oil cylinder 4 and directly by the base that is oppositely arranged and the jacking cylinder between the supporting seat with jack-up cantilever 3.In addition, behind jack-up cantilever 3, turn round or elevating movement in order to prevent cantilever 3, this supporting mechanism also preferably includes a plurality of locating pieces 9, this locating piece 9 can be located on cantilever 3, the first supporting seat 5 or the second supporting seat 6, preferably arranges around supporting mechanism.As shown in Figure 3, when jacking played cantilever 3, locating piece 9 arranged around base or supporting seat, can so that cantilever 3 is located, certainly can also be locked in conjunction with the controlling organization of cantilever 3 movement of this cantilever 3.In addition, because cantilever 3 reaches tens meters, only support at the hinged end of cantilever 3 by above-mentioned supporting mechanism.Therefore, preferably also support at the other end of cantilever.Supporting mechanism in the present embodiment also comprises and is arranged on ground maintenance platform 10, on the relative other end of the hinged end that is hinged with support 1 that this maintenance platform is arranged on cantilever 2, to be used for supporting cantilever 2.Only carried out the simple optimizing design of corresponding supporting mechanism in the present embodiment for the stacker cantilever design, it is conveniently drawn materials and operates, and base, supporting seat and locating piece etc. can be comprised of steel plate etc., can be spirally connected or be welded and fixed.Those skilled in the art can be with understanding, only show for example a kind of supporting mechanism of preferred structure herein, also can be by the supporting mechanism of other various shape and structures, as long as can conveniently use, jacking and the position and lock of realizing cantilever 3 also get final product to bearing pin 11 off-loads, enumerate no longer one by one at this.
After above-mentioned supporting mechanism supports cantilever 3 and give bearing pin 11 off-loads, thereby can carry out the replacing operation of bearing pin.As shown in drawings, wherein Fig. 4 is the state diagram of pin assembling/disassembling/mechanism when bearing pin is ejected according to preferred embodiment of the present utility model, and the pin assembling/disassembling/mechanism among the figure has adopted the oily pick support member that comprises screw mandrel and gripper shoe; Fig. 5 is the state diagram of pin assembling/disassembling/mechanism when bearing pin is packed into according to preferred embodiment of the present utility model, and pin assembling/disassembling/mechanism has wherein adopted the brandreth as oily pick support member; Fig. 6 is the state diagram of pin assembling/disassembling/mechanism when dismantling end flange according to preferred embodiment of the present utility model; Fig. 7 is the state diagram of pin assembling/disassembling/mechanism when ejecting axle sleeve according to preferred embodiment of the present utility model.Showed each building block and the effect thereof of pin assembling/disassembling/mechanism among Fig. 4 to Fig. 7, and all parts draws materials easily all and install, below will be described in detail.
Such as Fig. 4 or shown in Figure 5, the hinging pin shaft mechanism of cantilever 3 comprises bearing pin 11, pin assembling/disassembling/mechanism comprises that oily pick 12(can also be other lifting bodies, such as cylinder, jack etc.) and oily pick support member, this oil pick support member is fixedly connected on bearing pin 11 frame 13 on every side, one end of oil pick 12 is resisted against on the oily pick support member, and the other end is used for pushing tow bearing pin 11.In other words, by oily pick support member, so that the active force of oily pick 12 pushing tow bearing pins 11 is applied on bearing pin 11 frame 13 on every side.Therefore, the oily pick support member of a kind of preferred structure among Fig. 4 has comprised for example four screw mandrels of gripper shoe 14 and a plurality of screw mandrel 15(), can be on frame 13 corresponding tapping hole, so that these a plurality of wire rod threads are connected on the frame 13 and cross out abreast, can be provided with the run through screw corresponding with each screw mandrel 15 on the gripper shoe 14, be sleeved on the screw mandrel 15 thereby this gripper shoe 14 runs through screw by it.Also can be respectively equipped with at least two hold-down nuts 16 on each screw mandrel 15, when the central axis that plate 14 to be supported is approximately perpendicular to bearing pin 11 was put, these at least two hold-down nuts 16 can be separately positioned on the both sides of gripper shoe 14 and screw nut to fix this gripper shoe 14.Like this, the base of oily pick 12 can be fixedly mounted on the gripper shoe 14, perhaps establishes as shown in Figure 4 cushion block with supporting oil pick 12 by pad.Thereby, but pilot oil pick 12 so that its piston rod can stretch out towards bearing pin 11, and outside this bearing pin 11 of pushing tow carries out disassembling section.In addition, be illustrated in figure 5 as the oily pick support member of another kind of preferred structure, that is: have base plate and open-topped hollow brandreth 17, the open top end of this brandreth 17 is welded on the frame 13, and the base plate of brandreth 17 is used for supporting oil pick 12.Oil pick 12 can be placed in the brandreth 17, as shown in Figure 5, behind dismounting lower bearing pin 11, the bearing pin 11 of changing is tentatively pushed in the pin-and-hole, and upper this brandreth 17 of then welding utilizes oily pick 12 that bearing pin 11 pushing tows of changing are entered in the pin-and-hole to be in place.
In addition, hinging pin shaft mechanism in the present embodiment also comprises the end flange 18 that is located at bearing pin 11 two ends, as shown in Figure 6, the marginal portion of this end flange 18 is provided with a plurality of threaded mounting holes, pin assembling/disassembling/mechanism also comprises a plurality of liftout bolt 19(such as stay bolt etc.), these a plurality of liftout bolts 19 can be threaded in respectively in the threaded mounting hole of end flange 18, and the end of liftout bolt is resisted against on the frame 13 to be used for by turn liftout bolt 19 dismounting end flange 18.Therefore, by the several liftout bolts 19 of simple turn, can easily end flange 18 be unloaded.
In addition, as shown in Figure 7, hinging pin shaft mechanism in the present embodiment also comprises the axle sleeve 20 that is set on the bearing pin 11, and pin assembling/disassembling/mechanism also comprises the pushing tow sleeve member 21 for pushing tow axle sleeve 20, and the diameter of this pushing tow sleeve member 21 is preferably more than the diameter of bearing pin 11 and less than the diameter of axle sleeve 21.As shown in the figure, after bearing pin 11 unloads, pushing tow sleeve member 21 can be packed in the pin-and-hole, by the promotion of oily pick 12, axle sleeve 21 can be ejected smoothly.In addition, this pin assembling/disassembling/mechanism also preferably include be arranged on bearing pin 11 eject side to be used for laying the bearing pin bearing stage 22 of bearing pin 11, the height and position of the end face of this bearing pin bearing stage 22 should not be higher than bearing pin 11 the lower edge position so that bearing pin 11 eject or installation process in accept and support this bearing pin 11, also can be provided preferably with the axial groove along bearing pin 11 on this bearing pin bearing stage 22, such as V-shaped groove etc., so that fixed pin shaft 11 prevents rolling or slippage etc.
Need to prove, not only be applicable to the hinging pin shaft mechanism of stacker cantilever according to more changing device of the present utility model, also can correspondingly be applicable on the engineering machinery of other cantilever with identical articulated structure.
Below describe by reference to the accompanying drawings preferred embodiment of the present utility model in detail; but; the utility model is not limited to the detail in the above-mentioned embodiment; in technical conceive scope of the present utility model; can carry out multiple simple variant to the technical solution of the utility model, but these simple variant all belong to protection domain of the present utility model.
Need to prove in addition, each concrete technical characterictic described in the above-mentioned specific embodiment in reconcilable situation, can make up by any suitable mode, for fear of unnecessary repetition, the utility model is to the no longer separately explanation of various possible combinations.
In addition, also can carry out any combination between the various embodiment of the present utility model, as long as it is without prejudice to thought of the present utility model, it should be considered as content disclosed in the utility model equally.
Claims (11)
1. more changing device that is used for the hinging pin shaft mechanism of stacker cantilever, the revolving dial of described stacker (1) is provided with support (2), described cantilever (3) is articulated on the described support (2) by described hinging pin shaft mechanism, it is characterized in that, described more changing device comprises supporting mechanism and pin assembling/disassembling/mechanism, described supporting mechanism is used for supporting described cantilever (3), and described pin assembling/disassembling/mechanism is used for the described hinging pin shaft of installation or removal mechanism.
2. the more changing device of the hinging pin shaft mechanism for the stacker cantilever according to claim 1, it is characterized in that, described supporting mechanism comprises the first supporting seat (5), the second supporting seat (6), the first base (7) and the second base (8), described the first supporting seat (5) and the second supporting seat (6) are separately positioned on described support (2) both sides and are fixedly mounted on the described revolving dial (1), described the first base (7) and the second base (8) be fixedly installed on respectively described cantilever (3) the bottom and can be relative with the second supporting seat (6) position with described the first supporting seat (5) respectively.
3. the more changing device of the hinging pin shaft mechanism for the stacker cantilever according to claim 2, it is characterized in that, described supporting mechanism also comprises jacking cylinder, and this jacking cylinder is arranged between described the first supporting seat (5) and the first base (7) and/or between described the second supporting seat (6) and the second base (8).
4. the more changing device of the hinging pin shaft mechanism for the stacker cantilever according to claim 2, it is characterized in that, described supporting mechanism also comprises a plurality of locating pieces (9), and this locating piece is located on described cantilever (3), the first supporting seat (5) or the second supporting seat (6).
5. the more changing device of the hinging pin shaft mechanism for the stacker cantilever according to claim 1, it is characterized in that, described supporting mechanism also comprises maintenance platform (10), on the relative other end of the hinged end that is hinged with described support (1) that this maintenance platform is arranged on described cantilever (2), to be used for supporting described cantilever (2).
6. the more changing device of the hinging pin shaft mechanism for the stacker cantilever according to claim 1, it is characterized in that, described hinging pin shaft mechanism comprises bearing pin (11), described pin assembling/disassembling/mechanism comprises oily pick (12) and oily pick support member, this oil pick support member is fixedly connected on described bearing pin (11) frame (13) on every side, one end of described oily pick (12) is resisted against on the described oily pick support member, and the other end is used for the described bearing pin of pushing tow (11).
7. the more changing device of the hinging pin shaft mechanism for the stacker cantilever according to claim 6, it is characterized in that, described oily pick support member comprises gripper shoe (14) and a plurality of screw mandrel (15), these a plurality of screw mandrels are fixedly connected on the described frame (13), described gripper shoe (14) is provided with run through screw and by this run through screw corresponding with described screw mandrel (15) and is sleeved on the described screw mandrel (15), be respectively equipped with at least two hold-down nuts (16) on each described screw mandrel (15), these at least two hold-down nuts (16) are separately positioned on the both sides of described gripper shoe (14) to fix this gripper shoe (14).
8. the more changing device of the hinging pin shaft mechanism for the stacker cantilever according to claim 6, it is characterized in that, described oily pick support member is for having base plate and open-topped hollow brandreth (17), the open top end of this brandreth is welded on the described frame (13), and the described base plate of described brandreth (17) is used for supporting described oily pick (12).
9. the more changing device of the hinging pin shaft mechanism for the stacker cantilever according to claim 6, it is characterized in that, described hinging pin shaft mechanism also comprises the end flange (18) that is located at described bearing pin (11) two ends, this end flange is provided with a plurality of threaded mounting holes, described pin assembling/disassembling/mechanism also comprises a plurality of liftout bolts (19), these a plurality of liftout bolts are threaded in respectively in the threaded mounting hole of described end flange (18), and the end of described liftout bolt is resisted against described frame (13) upward to be used for dismantling described end flange (18) by the described liftout bolt of turn (19).
10. the more changing device of the hinging pin shaft mechanism for the stacker cantilever according to claim 6, it is characterized in that, described hinging pin shaft mechanism comprises the axle sleeve (20) that is set on the described bearing pin (11), described pin assembling/disassembling/mechanism also comprises the pushing tow sleeve member (21) for the described axle sleeve of pushing tow (20), and the diameter of this pushing tow sleeve member is greater than the diameter of described bearing pin (11) and less than the diameter of described axle sleeve (20).
11. the more changing device of the hinging pin shaft mechanism for the stacker cantilever according to claim 6, it is characterized in that, described pin assembling/disassembling/mechanism also comprise be arranged on described bearing pin (11) eject side to be used for laying the bearing pin bearing stage (22) of described bearing pin (11), the height and position of the end face of this bearing pin bearing stage is not higher than the lower edge position of described bearing pin (11), and described bearing pin bearing stage (22) is provided with along the axial groove of described bearing pin (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320247468 CN203236194U (en) | 2013-05-09 | 2013-05-09 | Replacing device for hinged pin roll mechanism of stacker cantilever |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320247468 CN203236194U (en) | 2013-05-09 | 2013-05-09 | Replacing device for hinged pin roll mechanism of stacker cantilever |
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| Publication Number | Publication Date |
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| CN203236194U true CN203236194U (en) | 2013-10-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320247468 Expired - Lifetime CN203236194U (en) | 2013-05-09 | 2013-05-09 | Replacing device for hinged pin roll mechanism of stacker cantilever |
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| CN (1) | CN203236194U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103817507A (en) * | 2014-03-07 | 2014-05-28 | 中国神华能源股份有限公司 | Replacement method for pitching hinged point bearing of reclaimer |
| CN103818739A (en) * | 2014-03-07 | 2014-05-28 | 中国神华能源股份有限公司 | Replacement method for pitching hinged point bearing of reclaimer |
| CN103831577A (en) * | 2014-02-28 | 2014-06-04 | 中国神华能源股份有限公司 | Ship loader pitching hinge point bearing replacement method |
| CN104609320A (en) * | 2015-01-09 | 2015-05-13 | 广州文冲船厂有限责任公司 | Method for replacing hinge support bearing of crane boom |
| CN112682037A (en) * | 2020-12-30 | 2021-04-20 | 三一重型装备有限公司 | Loading and transporting equipment and tunneling equipment |
-
2013
- 2013-05-09 CN CN 201320247468 patent/CN203236194U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103831577A (en) * | 2014-02-28 | 2014-06-04 | 中国神华能源股份有限公司 | Ship loader pitching hinge point bearing replacement method |
| CN103831577B (en) * | 2014-02-28 | 2016-06-01 | 中国神华能源股份有限公司 | The replacing options of shiploader pitching hinge bearing |
| CN103817507A (en) * | 2014-03-07 | 2014-05-28 | 中国神华能源股份有限公司 | Replacement method for pitching hinged point bearing of reclaimer |
| CN103818739A (en) * | 2014-03-07 | 2014-05-28 | 中国神华能源股份有限公司 | Replacement method for pitching hinged point bearing of reclaimer |
| CN103818739B (en) * | 2014-03-07 | 2017-01-25 | 中国神华能源股份有限公司 | Replacement method for pitching hinged point bearing of reclaimer |
| CN104609320A (en) * | 2015-01-09 | 2015-05-13 | 广州文冲船厂有限责任公司 | Method for replacing hinge support bearing of crane boom |
| CN104609320B (en) * | 2015-01-09 | 2017-02-22 | 广州文冲船厂有限责任公司 | Method for replacing hinge support bearing of crane boom |
| CN112682037A (en) * | 2020-12-30 | 2021-04-20 | 三一重型装备有限公司 | Loading and transporting equipment and tunneling equipment |
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