CN203602263U - Engineering machine and amplitude-variable pulley block fixing device - Google Patents
Engineering machine and amplitude-variable pulley block fixing device Download PDFInfo
- Publication number
- CN203602263U CN203602263U CN201320719105.3U CN201320719105U CN203602263U CN 203602263 U CN203602263 U CN 203602263U CN 201320719105 U CN201320719105 U CN 201320719105U CN 203602263 U CN203602263 U CN 203602263U
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- Prior art keywords
- assembly pulley
- luffing assembly
- anchor fitting
- amplitude
- luffing
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- 238000010276 construction Methods 0.000 claims description 23
- 238000009434 installation Methods 0.000 claims description 16
- 238000005056 compaction Methods 0.000 claims description 11
- 238000000034 method Methods 0.000 abstract description 18
- 229910000831 Steel Inorganic materials 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 239000010959 steel Substances 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 5
- 238000011900 installation process Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 206010044565 Tremor Diseases 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005194 fractionation Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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Abstract
The utility model discloses an amplitude-variable pulley block fixing device applied to an engineering machine. The amplitude-variable pulley block fixing device comprises a support plate, a positioning element and a mounting plate, wherein both the support plate and the positioning element are arranged on a bottom section arm of the engineering machine; the mounting plate is hinged to the positioning element, and is provided with a mounting hole; and a circular pipe of an amplitude-variable pulley block to be fixed passes through the mounting hole, and is supported on the positioning element. In an amplitude variation process, the amplitude-variable pulley block is under the tensile force of a steel wire rope, can rotate around a hinge shaft between the mounting plate and the positioning element under the action of the fixing device, and can rotate freely in the mounting hole, and the rotation degree of freedom of the amplitude-variable pulley block is not limited, so that the rotation degree of freedom is released, the amplitude-variable pulley block is prevented from extruding the fixing device during working, the safety performance of the fixing device is improved, and the service life of the fixing device is prolonged. The utility model further discloses an engineering machine comprising the amplitude-variable pulley block fixing device.
Description
Technical field
The utility model relates to mechanical equipment technical field, particularly a kind of luffing assembly pulley anchor fitting for construction machinery and equipment.The utility model also relates to a kind of construction machinery and equipment that comprises above-mentioned luffing assembly pulley anchor fitting.
Background technology
In some construction machinery and equipments, need on its coxopodite arm, luffing assembly pulley be installed, to complete transition or joint arm from operation process such as dismounting.
Take dynamic compaction machinery as example, as depicted in figs. 1 and 2, in the jib assembling process of dynamic compaction machinery, luffing assembly pulley 11 is fixed on coxopodite arm 12, and adds hanging hook 13 on coxopodite arm 12, by the operation such as revolution and walking of dynamic compaction machinery, by all the other arm joint 14 assemblings; After treating 14 assemblings of all the other arms joint, coxopodite arm 12 luffings are fallen with aforementioned and assembled all the other complete arms joints 14 and be connected; In jib split process, all the other the arm joints 14 except coxopodite arm 12 are pulled down, luffing assembly pulley 11 is arranged on coxopodite arm 12, save 14 fractionation thereby realize all the other arms by the lifting effect of coxopodite arm 12; Like this, by being installed on coxopodite arm 12, luffing assembly pulley 11 can complete from dismounting.
Luffing assembly pulley need to be arranged on by anchor fitting on the coxopodite arm of the construction machinery and equipments such as dynamic compaction machinery.
Please refer to Fig. 3 and Fig. 4; Fig. 3 is a kind of structural representation of typical anchor fitting; Fig. 4 is the structural representation of anchor fitting shown in Fig. 3 in luffing assembly pulley installing condition.
A kind of typical luffing assembly pulley anchor fitting comprises the adapter plate 151 that is arranged on coxopodite arm 12 ends, the mode being bolted on adapter plate 151 is provided with guide plate 152, on adapter plate 151, offer hinge hole 153, adapter plate 151 is hinged with luffing assembly pulley 11 to be installed by this hinge hole 153, and this hinge hole 153 is positioned at the rear of guide plate 152, when installation, luffing assembly pulley 11 is from top to bottom near coxopodite arm 12, and drop on the rear in twisted point hole 153 on adapter plate 151, now, the drag-line being connected with luffing assembly pulley 11 of need first dismantling, then move to the direction near guide plate 152 along adapter plate 151 by Manual-pushing luffing assembly pulley 11, in the time that the pipe 111 of luffing assembly pulley 11 both sides contacts with guide plate 152, luffing assembly pulley 11 moves along the bevel direction of guide plate 152, until the hinge hole of luffing assembly pulley 11 and the hinge hole 153 of adapter plate 151 overlap, bearing pin is passed to luffing assembly pulley 11 and adapter plate 151, and with clamp 154, bearing pin 155 is fixing, luffing assembly pulley 11 is fixing complete.
The luffing assembly pulley of installing by above-mentioned anchor fitting, in the time that coxopodite arm is subject to the downward luffing of lineoutofservice signal pull, the direction of power and luffing assembly pulley rotation hinge are not point-blank, luffing assembly pulley is subject to downward moment, cause luffing assembly pulley to there is the trend of left-hand revolution, pipe is resisted against on guide plate, the left-hand revolution of luffing assembly pulley is formed to constraint, make pipe produce extruding to guide plate, easily cause the tie bolt rupture failure between guide plate and adapter plate, have potential safety hazard.
Meanwhile, luffing assembly pulley is in the process of installing, and guide plate does not have directional tagging in luffing assembly pulley dropping process, cannot fast and effeciently realize the one-time positioning of luffing assembly pulley; And while installation, need artificial propelling, mobile luffing assembly pulley is wasted time and energy, and staff's Labor Risk is higher.
In addition, the hinge hole of luffing assembly pulley and adapter plate junction is circular port, assembly difficulty is larger, and there is the displacement with direction to arm in luffing assembly pulley, in the time again connecting luffing drag-line and luffing assembly pulley, drag-line needs installation personnel stretching, and mobile luffing assembly pulley ability fit on, has increased the be connected difficulty of drag-line with luffing assembly pulley.
Therefore, how to avoid in coxopodite arm amplitude changing process luffing assembly pulley extruding anchor fitting, avoid the damage of anchor fitting connecting bridge, improve the safety performance of anchor fitting, extend its service life, just become those skilled in the art and need badly the technical matters of solution.
Utility model content
The purpose of this utility model is to provide a kind of luffing assembly pulley anchor fitting for construction machinery and equipment, and in coxopodite arm amplitude changing process, its connecting bridge has avoided being subject to the extruding of luffing assembly pulley, thereby has higher safety performance and longer service life.Another object of the present utility model is to provide a kind of construction machinery and equipment that comprises above-mentioned luffing assembly pulley anchor fitting.
For solving the problems of the technologies described above, the utility model provides a kind of luffing assembly pulley anchor fitting for construction machinery and equipment, comprises stay bearing plate and setting element on the coxopodite arm that is installed on described construction machinery and equipment; Also comprise the adapter plate that is articulated with described setting element, on described adapter plate, offer mounting hole, treat that the pipe of fixing luffing assembly pulley is through described mounting hole, and be supported in described setting element.
Preferably, on described setting element, be provided with the groove that holds described pipe.
Preferably, described setting element comprises guide plate, and the guide surface of described guide plate is identical with the installation direction of described luffing assembly pulley.
Preferably, described setting element also comprises baffle plate, and described groove type is formed between described guide plate and described baffle plate.
Preferably, described groove is circular groove.
Preferably, described mounting hole is slotted hole.
The utility model also provides a kind of construction machinery and equipment, comprise coxopodite arm, luffing assembly pulley, with the luffing assembly pulley anchor fitting that described luffing assembly pulley is installed on to described coxopodite arm, described luffing assembly pulley anchor fitting is luffing assembly pulley anchor fitting as above.
Further, be specially dynamic compaction machinery.
Luffing assembly pulley anchor fitting provided by the utility model is for construction machinery and equipment, this luffing assembly pulley comprises stay bearing plate, setting element and adapter plate, wherein, stay bearing plate and setting element are installed on the coxopodite arm of construction machinery and equipment, adapter plate is articulated with setting element, and on adapter plate, offer mounting hole, treat that the pipe of fixing luffing assembly pulley is through mounting hole, and be supported in setting element.
In amplitude changing process, luffing assembly pulley is subject to lineoutofservice signal pull, it can either rotate by the jointed shaft between adapter plate and setting element under the effect of anchor fitting, can in mounting hole, freely rotate again, the rotary freedom of luffing assembly pulley is under no restraint, thereby has discharged rotary freedom, has avoided the extruding to anchor fitting in the course of the work of luffing assembly pulley, improve the safety performance of anchor fitting, extended its service life.
Meanwhile, while using above-mentioned anchor fitting, final luffing assembly pulley relies on both sides pipe to be pressed onto on guide plate, and rotation keeps obligatory point and lineoutofservice signal pull point-blank, has improved the stress performance installing.
And, when completing after dismounting or lift heavy operation, while again luffing assembly pulley being fallen on coxopodite arm, luffing assembly pulley can have certain skew with direction towards arm because of the rotation of adapter plate, so coxopodite arm and luffing assembly pulley are connected to hinge hole site and are able to the end of more close coxopodite arm, guarantee that it is relaxed state that luffing assembly pulley and luffing drag-line are taken fore stay apart, and this part slack is greater than the amount of moving after luffing assembly pulley, can guarantee that luffing assembly pulley is connected again with drag-line time, drag-line is also relaxed state, thereby has reduced the installation difficulty of drag-line.
In a kind of specific embodiment, anchor fitting provided by the utility model, its setting element also comprises guide plate, the guide surface of guide plate is identical with the installation direction of luffing assembly pulley.In the time that dynamic compaction machinery stops operation, principal arm can be put down, luffing assembly pulley also falls from vacant state, and in the process falling at luffing assembly pulley, luffing assembly pulley can rock along coxopodite arm horizontal direction, and may there is deviation in drop point site and fixed position; The Its Track Design that the guide surface of guide plate falls according to luffing assembly pulley, in the process that can fall at luffing assembly pulley, play the effect of guide-localization, guarantee the accuracy of luffing assembly pulley drop point site, improved the accurate positioning that luffing assembly pulley is installed.
In the another kind of specific embodiment, anchor fitting provided by the utility model, is provided with the groove that holds pipe on its setting element, and after the installation of luffing assembly pulley, pipe is overlapped in this groove; Like this, in the installation process of luffing assembly pulley, can not limit the horizontal degree of freedom of luffing assembly pulley by groove as long as pipe is fallen in this groove, while allowing luffing assembly pulley to fall on coxopodite arm, have certain lateral deviation, reduce installation positioning difficulty.
Accompanying drawing explanation
Fig. 1 is the structural representation of dynamic compaction machinery in the time that jib is assembled;
Fig. 2 is structural representation when dynamic compaction machinery jib has been assembled shown in Fig. 1;
Fig. 3 is a kind of structural representation of typical anchor fitting;
Fig. 4 is the structural representation of anchor fitting shown in Fig. 3 in luffing assembly pulley installing condition;
Fig. 5 is the structural representation of a kind of specific embodiment of luffing assembly pulley anchor fitting provided by the utility model;
Structural representation when Fig. 6 is the anchor fitting of luffing assembly pulley shown in Fig. 5 installation luffing assembly pulley.
The specific embodiment
Core of the present utility model is to provide a kind of luffing assembly pulley anchor fitting for construction machinery and equipment, and in coxopodite arm amplitude changing process, its connecting bridge has avoided being subject to the extruding of luffing assembly pulley, thereby has higher safety performance and longer service life.Another core of the present utility model is to provide a kind of construction machinery and equipment that comprises above-mentioned luffing assembly pulley anchor fitting.
In order to make those skilled in the art person understand better the utility model scheme, below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Please refer to Fig. 5 and Fig. 6, Fig. 5 is the structural representation of a kind of specific embodiment of luffing assembly pulley anchor fitting provided by the utility model; Structural representation when Fig. 6 is the anchor fitting of luffing assembly pulley shown in Fig. 5 installation luffing assembly pulley.
In a kind of specific embodiment, luffing assembly pulley anchor fitting provided by the utility model is for construction machinery and equipment, this luffing assembly pulley anchor fitting comprises stay bearing plate 22, setting element and adapter plate 23, wherein, stay bearing plate 22 and setting element are installed on the coxopodite arm 21 of construction machinery and equipment, adapter plate 23 is articulated with setting element, and on adapter plate 23, offer mounting hole 231, the external diameter of mounting hole 231 is greater than the external diameter of pipe 31, treat that the pipe 31 of fixing luffing assembly pulley 3 is through mounting hole 231, and be supported in setting element, pipe 31 can freely rotate mounting hole 231 is interior, and adapter plate 23 can rotate with respect to the hinge-point of itself and setting element.
Above-mentioned stay bearing plate 22 and setting element all can be arranged on coxopodite arm 21 by the mode of welding, apparently, mounting means between stay bearing plate 22 and coxopodite arm 21, between setting element and coxopodite arm 21 is also not limited to welding, also can in this area conventional use other be fixedly connected with mode, such as bolt connection etc.
Above-mentioned mounting hole 231 can be slotted hole, and like this, in installation process, as long as pipe 31 can pass slotted hole, the axial range of slotted hole is larger, has reduced the installation positioning requirements of pipe 31, has simplified installation process.
From theory, mounting hole 231 is also not limited to slotted hole, as long as can hold pipe 31 freely rotating therein, such as mounting hole 231 can be also slotted eye or circular port etc.
In amplitude changing process, luffing assembly pulley 3 is subject to lineoutofservice signal pull, it can either rotate by the jointed shaft between adapter plate 23 and setting element under the effect of anchor fitting, can freely rotate mounting hole 231 is interior again, the rotary freedom of luffing assembly pulley 3 is under no restraint, thereby has discharged rotary freedom, has avoided luffing assembly pulley 3 extruding to anchor fitting in the course of the work, improve the safety performance of anchor fitting, extended its service life.
Meanwhile, while using above-mentioned anchor fitting, final luffing assembly pulley 3 relies on both sides pipe 31 to be pressed onto on guide plate 25, and rotation keeps obligatory point and lineoutofservice signal pull point-blank, has improved the stress performance installing.
And, when completing after dismounting or lift heavy operation, while again luffing assembly pulley 3 being fallen on coxopodite arm 21, luffing assembly pulley 3 can have certain skew with direction towards arm because of the rotation of adapter plate, so by coxopodite arm 21 and the end that is connected hinge hole site and is able to more close coxopodite arm 21, guarantee that it is relaxed state that luffing assembly pulley 3 and luffing drag-line are taken fore stay apart, and this part slack is greater than the amount of moving after luffing assembly pulley 3, can guarantee that luffing assembly pulley 3 is connected again with drag-line time, drag-line is also relaxed state, thereby has reduced the installation difficulty of drag-line.
On above-mentioned setting element, be provided with the groove 24 that holds pipe 31, after 3 installations of luffing assembly pulley, pipe 31 is overlapped in this groove 24; Like this, in the installation process of luffing assembly pulley 3, as long as pipe 31 is fallen in this groove 24 the horizontal degree of freedom that can groove 24 can not limit luffing assembly pulley 3, while allowing luffing assembly pulley 3 to fall on coxopodite arm 21, there is certain lateral deviation, reduce installation positioning difficulty.
Preferably, groove 24 is circular groove, to match with the profile of pipe 31 better, reduces wearing and tearing between the two.
Above-mentioned setting element also comprises guide plate 25, and the guide surface of guide plate 25 is identical with the installation direction of luffing assembly pulley 3.In the time that dynamic compaction machinery stops operation, principal arm can be put down, luffing assembly pulley 3 also falls from vacant state, and in the process falling at luffing assembly pulley 3, luffing assembly pulley 3 can be along the transverse shakiness of coxopodite arm 21, and may there is deviation in drop point site and fixed position; The Its Track Design that the guide surface of guide plate 25 falls according to luffing assembly pulley 3, in the process that can fall at luffing assembly pulley 3, play the effect of guide-localization, the accuracy that guarantees luffing assembly pulley 3 drop point site, has improved the accurate positioning that luffing assembly pulley 3 is installed.
Setting element also comprises baffle plate 26, and groove 24 is formed between guide plate 25 and baffle plate 26, has simplified the course of processing of groove 24, and has avoided in working process pipe 31 from landing in setting element, has improved the safety performance of anchor fitting.
Below take the above-mentioned specific embodiment as example, the assembling process when sketching anchor fitting provided by the utility model luffing assembly pulley being installed:
First, luffing assembly pulley 3 to be installed is along the guide surface landing of guide plate 25, and the front end of luffing assembly pulley 3 drops on stay bearing plate 22, and the pipe 31 of both sides, rear end is stuck in groove 24; Then, the mounting hole of offering on adapter plate 23 231 is set in to pipe 31; Finally rotate adapter plate 23, bearing pin is passed to setting element and adapter plate 23, and with clamp, bearing pin is fixed, realize being linked and packed of luffing assembly pulley 3 and coxopodite arm 21.
Except above-mentioned luffing assembly pulley anchor fitting, the utility model also provides a kind of construction machinery and equipment that comprises above-mentioned luffing assembly pulley anchor fitting, and other each several part structures of this project machinery please refer to prior art, do not repeat them here.
Particularly, construction machinery and equipment provided by the utility model can be dynamic compaction machinery or hoisting crane etc.
Above a kind of construction machinery and equipment provided by the utility model and luffing assembly pulley anchor fitting thereof are described in detail.Applied specific case herein principle of the present utility model and embodiment are set forth, the explanation of above embodiment is just for helping to understand method of the present utility model and core concept thereof.Should be understood that; for those skilled in the art; do not departing under the prerequisite of the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection domain of the utility model claim.
Claims (8)
1. for a luffing assembly pulley anchor fitting for construction machinery and equipment, comprise stay bearing plate (22) and setting element on the coxopodite arm (21) that is installed on described construction machinery and equipment; It is characterized in that, also comprise the adapter plate (23) that is articulated with described setting element, on described adapter plate (23), offer mounting hole (231), treat that the pipe (31) of fixing luffing assembly pulley (3) is through described mounting hole (231), and be supported in described setting element.
2. luffing assembly pulley anchor fitting according to claim 1, is characterized in that, is provided with the groove (24) that holds described pipe (31) on described setting element.
3. luffing assembly pulley anchor fitting according to claim 2, is characterized in that, described setting element comprises guide plate (25), and the guide surface of described guide plate (25) is identical with the installation direction of described luffing assembly pulley (3).
4. luffing assembly pulley anchor fitting according to claim 3, is characterized in that, described setting element also comprises baffle plate (26), and described groove (24) is formed between described guide plate (25) and described baffle plate (26).
5. luffing assembly pulley anchor fitting according to claim 4, is characterized in that, described groove (24) is circular groove.
6. according to the luffing assembly pulley anchor fitting described in claim 1 to 5 any one, it is characterized in that, described mounting hole (231) is slotted hole.
7. a construction machinery and equipment, comprise coxopodite arm (21), luffing assembly pulley (3), with the luffing assembly pulley anchor fitting that described luffing assembly pulley (3) is installed on to described coxopodite arm (21), it is characterized in that, described luffing assembly pulley anchor fitting is the luffing assembly pulley anchor fitting as described in claim 1 to 6 any one.
8. construction machinery and equipment according to claim 7, is characterized in that, is specially dynamic compaction machinery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320719105.3U CN203602263U (en) | 2013-11-13 | 2013-11-13 | Engineering machine and amplitude-variable pulley block fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320719105.3U CN203602263U (en) | 2013-11-13 | 2013-11-13 | Engineering machine and amplitude-variable pulley block fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203602263U true CN203602263U (en) | 2014-05-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320719105.3U Expired - Lifetime CN203602263U (en) | 2013-11-13 | 2013-11-13 | Engineering machine and amplitude-variable pulley block fixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203602263U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112830400A (en) * | 2021-02-01 | 2021-05-25 | 浙江三一装备有限公司 | Crawler crane and crane transportation method |
-
2013
- 2013-11-13 CN CN201320719105.3U patent/CN203602263U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112830400A (en) * | 2021-02-01 | 2021-05-25 | 浙江三一装备有限公司 | Crawler crane and crane transportation method |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140521 |