CN201473980U - Diaphragm wall grab and pulley mechanism thereof - Google Patents
Diaphragm wall grab and pulley mechanism thereof Download PDFInfo
- Publication number
- CN201473980U CN201473980U CN2009202222400U CN200920222240U CN201473980U CN 201473980 U CN201473980 U CN 201473980U CN 2009202222400 U CN2009202222400 U CN 2009202222400U CN 200920222240 U CN200920222240 U CN 200920222240U CN 201473980 U CN201473980 U CN 201473980U
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- China
- Prior art keywords
- pulley
- limiting component
- pulley mechanism
- wire rope
- diaphragm wall
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Abstract
The utility model discloses a pulley mechanism, which is used for a diaphragm wall grab and comprises a pulley component (22), a steel cable positioning frame (21) and limit components (24) of two supporting plates (211), wherein the two supporting plates (211) are arranged on the steel cable positioning frame (21), and a proper distance is arranged between each of the limit components (24) and the external edge of a pulley (221) so as to prevent a steel cable (25) of the diaphragm wall grab to release from a chute of the pulley (221). The utility model further discloses a diaphragm wall grab comprising the pulley mechanism. A roughly closed space formed among the limit components (24) and the pulley (221) of the pulley mechanism and the diaphragm wall grab, the steel cable (25) can move in the chute of the pulley (221) only and can not release from the chute of the pulley (221) from clearances among the pulley (221) and the limit components (24), thereby effectively preventing the steel cable (25) releasing from the chute.
Description
Technical field
The utility model relates to technical field of engineering machinery, particularly relates to a kind of pulley mechanism that is used for the diaphragm wall grab bucket.In addition, the utility model also relates to a kind of diaphragm wall grab bucket that comprises above-mentioned pulley mechanism.
Background technology
Pulley mechanism the application of engineering machinery field very extensively, particularly have mast and executing agency need in the course of the work to produce big displacement equipment (such as: the diaphragm wall grab bucket).
Please refer to Fig. 1, Fig. 1 is the structural representation that is provided with the diaphragm wall grab bucket of pulley mechanism.
The diaphragm wall grab bucket mainly comprises mast 12 and grab bucket device 14, and the bottom of mast 12 is fixed with master winch 16, is wound with the wire rope 13 that links to each other with the device 14 of grabbing bucket on the master winch 16, realizes moving of grab bucket device 14 by master winch 16.
In the prior art, grab bucket device 14 is by linking to each other with wire rope 13 with its fixedly connected pulley mechanism 11, and master winch 16 drives wire rope 13 to be shortened or elongation, and 11 rotations of drive pulley mechanism also move up and down, and have realized moving up and down of grab bucket device 14.
Please refer to Fig. 2, Fig. 2 goes out the groove position view for the wire rope of pulley mechanism of the prior art.
In the actual use, the transportation of diaphragm wall grab bucket is for convenience generally put down mast 12, and at this moment, grab bucket device 14 will be in the position with 11 one-tenth 90 degree of pulley mechanism; And when mast is played in the arrival operating position, because pulley 111 revolution and the beats of pulley mechanism 11 are easy to cause the wire rope 13 in the chute that is around in pulley 111 to go out groove (as shown in FIG.).After if wire rope 13 goes out groove, operating personnel can not find in time, then can in the process that promotes grab bucket device 14, wire rope 13 be blocked so that wire rope 13 be cut off, not only wire rope 13 and pulley mechanism 11 are caused damage, in case and wire rope 11 is cut off, grab bucket device 14 will fall under the effect of gravity, and grab bucket device 14 is caused serious damage, exists great potential safety hazard.
At present, mainly contain two kinds at the solution of the problems referred to above: the one, on the pulley base below the pulley mechanism 11,, realize spacing function by round steel near the position welding round steel of pulley 111; The 2nd, the fixing circular arc backplate at the outer rim position of pulley 111.Though first method can reduce the probability that wire rope 13 takes off groove,, can not fundamentally stop the generation that wire rope 13 takes off the groove phenomenon; The formed structure less stable of second method, problems such as distortion, displacement appear in circular arc backplate easily, like this, can not prevent that not only wire rope 13 from taking off groove, and can hinder pulley 111 rotations, and existing a kind of potential safety hazard, the phenomenon of rope also appears rubbing simultaneously easily.
Therefore, how to prevent effectively that wire rope from taking off groove is the present technical issues that need to address of those skilled in the art.
The utility model content
The purpose of this utility model provides a kind of pulley mechanism that is used for the diaphragm wall grab bucket, and this pulley mechanism can prevent effectively that wire rope from taking off groove.Another purpose of the present utility model provides a kind of diaphragm wall grab bucket that comprises above-mentioned pulley mechanism.
For solving the problems of the technologies described above, the utility model provides a kind of pulley mechanism, be used for the diaphragm wall grab bucket, comprise pulley assembly and wire rope locating rack, the gripper shoe of described wire rope locating rack is arranged between the grab bucket junction plate and pulley assembly of described diaphragm wall grab bucket, also comprise the limiting component that is fixed in two described gripper shoes, have suitable distance between the outer rim of described limiting component and described pulley, deviate from the chute of described pulley with the wire rope that prevents described diaphragm wall grab bucket.
Preferably, the number of described limiting component is at least 1, and described rotating shaft under be fixed with first limiting component.
Preferably, described limiting component also comprises second limiting component and the 3rd limiting component, and described second limiting component and described the 3rd limiting component are arranged at the both sides of described first limiting component respectively, and symmetrical substantially about described first limiting component.
Preferably, the correspondence position of two described gripper shoes all offers through hole, and limiting component is plugged in described through hole.
Preferably, described limiting component is an alignment pin.
Preferably, described alignment pin is with revoling tube.
Preferably, offer the oil-in and the oil-out of lubrication oil on the end cover of described pulley assembly, be provided with the sealing plug screw among the two.
Preferably, described pulley assembly and described gripper shoe all are installed on described rotating shaft.
The utility model also provides a kind of diaphragm wall grab bucket, comprises as above-mentioned each described pulley mechanism.
Pulley mechanism provided by the utility model, be used for the diaphragm wall grab bucket, comprise pulley assembly and wire rope locating rack, two gripper shoes lay respectively between the grab bucket junction plate of pulley assembly and diaphragm wall grab bucket, also be fixed with limiting component on the gripper shoe, have suitable distance between the outer rim of limiting component and pulley, deviate from the chute of pulley so that prevent the wire rope of diaphragm wall grab bucket.Owing to have suitable distance between the outer rim of limiting component and pulley, formed closed substantially space between limiting component and the pulley, wire rope can only be moved in the chute of pulley, and can not deviate from the chute of pulley by the gap between pulley and the limiting component, prevented that effectively wire rope from taking off the generation of groove phenomenon, thereby prolonged the application life of wire rope and pulley.
In a kind of specific embodiment, pulley mechanism provided by the utility model has been offered oil-in and oil-out on the end cover of pulley assembly, be provided with the sealing plug screw among the two.Like this, just can use machine oil that it is lubricated, and machine oil can use for a long time, need not special maintenance; And, also very convenient even need safeguard the time, only need machine oil is emitted from oil-out, inject new machine oil by oil-in again and get final product, reduced maintenance time, reduced construction cost.
In the another kind of specific embodiment, arrange limiting component for convenience, two gripper shoes of wire rope locating rack are between pulley assembly and grab bucket junction plate, therefore, pulley assembly and wire rope locating rack just can by one group of axle sleeve end cap rotating shaft axially on fixing, save the number of part, reduced cost; Simultaneously, when needs are dismantled pulley assembly or wire rope locating rack, only need one group of axle sleeve end cap of dismounting, rotating shaft is extracted, just the two can be pulled down simultaneously, thereby can keep in repair, maintain or change it easily, shorten the time of dismounting, improved operating efficiency.
The beneficial effect of diaphragm wall grab bucket provided by the utility model and the beneficial effect of pulley mechanism are similar, do not repeat them here.
Description of drawings
Fig. 1 is the structural representation that is provided with the diaphragm wall grab bucket of pulley mechanism;
Fig. 2 goes out the groove position view for the wire rope of pulley mechanism of the prior art;
Fig. 3 looks schematic diagram for the master of a kind of specific embodiment of pulley mechanism provided by the utility model;
Fig. 4 is the structure enlarged drawing of A part among Fig. 3;
Fig. 5 is the schematic side view of a kind of specific embodiment of pulley mechanism provided by the utility model.
The specific embodiment
Core of the present utility model provides a kind of pulley mechanism that is used for the diaphragm wall grab bucket, and this pulley mechanism can prevent effectively that wire rope from taking off groove.Another core of the present utility model provides a kind of diaphragm wall grab bucket that comprises above-mentioned pulley mechanism.
In order to make those skilled in the art person understand the utility model scheme better, the utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Please refer to Fig. 3 to Fig. 5, Fig. 3 looks schematic diagram for the master of a kind of specific embodiment of pulley mechanism provided by the utility model; Fig. 4 is the structure enlarged drawing of A part among Fig. 3; Fig. 5 is the schematic side view of a kind of specific embodiment of pulley mechanism provided by the utility model.
In a kind of specific embodiment, please refer to Fig. 3, pulley mechanism provided by the utility model, comprise the pulley assembly 22 of 27 rotations around the shaft, wire rope locating rack 21 and limiting component 24, limiting component 24 is fixed on the gripper shoe 211 of wire rope locating rack 21, the setting of limiting component 24 for convenience, prevent to disturb between limiting component 24 and the wire rope 25, change the installation site of gripper shoe 211 and the relative position of grab bucket junction plate 26, two gripper shoes 211 all are arranged between pulley assembly 22 and the grab bucket junction plate 26, have suitable distance between the outer rim of limiting component 24 and pulley 221, deviate from the chute of pulley 221 so that prevent the wire rope 25 of diaphragm wall grab bucket.
After underground continuous wall grab arrived the job site, under the effect of external force, mast rose, and under the effect of gravity, grab bucket is converted into grab bucket and pulley mechanism operating position in alignment by the position that constitutes 90 degree substantially with turbine; The existence of limiting component 24 makes in this process, although wire rope 25 is not the device of main holding capacity, also can not deviate from chute from the peripheral part of pulley 221.
Owing to have suitable distance between the outer rim of limiting component 24 and pulley 221, guaranteeing that limiting component 24 does not take place on the basis of mutual friction mutually with the outer rim of pulley 221, formed closed substantially space between limiting component 24 and the pulley 221, wire rope 25 can only be moved in the chute of pulley 221, and can not deviate from the chute of pulley 221 by the gap between pulley 221 and the limiting component 24, prevented that effectively wire rope 25 from taking off the generation of groove phenomenon, thereby prolonged the application life of wire rope 25 and pulley 221; Eliminate the potential safety hazard that grab bucket is dropped, prolonged the application life of diaphragm wall grab bucket, reduced the use cost of diaphragm wall grab bucket.
Particularly, the number of limiting component 24 is at least one, at this moment, in order to guarantee best limit effect first limiting component 241 can be set under rotating shaft 27.Like this, can use minimum structure, realize spacing functional requirement.Certainly, limiting component 24 also can be installed on other position, as long as can realize wire rope 25 is limited in the chute of pulley 221, all is fine.
Certainly, as shown in Figure 5, in order to improve restriction effect to wire rope 25, three limiting components 24 can also be set, limiting component 24 comprises first limiting component 241, second limiting component 242 and the 3rd limiting component 243, first limiting component 241 be arranged at substantially rotating shaft 27 under, second limiting component 242 and the 3rd limiting component 243 are arranged at the both sides of first limiting component 241 respectively, and second limiting component 242 and the 3rd limiting component 243 are substantially about first limiting component, 241 symmetries (described herein to being called installment state as shown in Figure 5, as to be not symmetrical completely).Like this, each position that easily goes out groove for wire rope 25 has spacing, simultaneously, because wire rope 25 has certain rigid, can prevent effectively that wire rope 25 from taking off the generation of groove phenomenon.
Certainly, a plurality of limiting components can also be set, with the further raising validity spacing to wire rope 25.
As shown in Figure 3, can offer through hole respectively, then limiting component 24 is plugged in through hole at the correspondence position of two gripper shoes 211.As can be seen, the mounting means of this kind limiting component 24 is very simple, and structure is also very simple, has shortened the set-up time and the processing cost of limiting component 24.
Particularly, limiting component 24 can be alignment pin.The structure of alignment pin is very simple, and cost is lower, has further reduced the cost of limiting component 24, has improved the applicability of limiting component 24.
In order to prevent that mutual friction mutually takes place between alignment pin and the wire rope 25, can also be at the rotatable sleeve pipe of outside suit of alignment pin.When wire rope 25 contacts with sleeve pipe, along with moving of wire rope 25, the sleeve pipe rotation, thus the friction between wire rope 25 and the alignment pin is become sliding friction, reduce the friction speed of wire rope 25 and alignment pin, prolonged the application life of wire rope 25 and alignment pin.
As shown in Figure 4, lubricated to the bearing of pulley 221 inside for convenience can also be offered the oil-in (not shown) and the oil-out 2221 of lubrication oil on the end cover 222 of pulley assembly 22, be provided with the sealing plug screw among the two.Simultaneously, in order to guarantee sealing, can also between end cover 222 and rotating shaft 27 seal member be set, seal member is specifically as follows oil sealing 2224 and " O " RunddichtringO 2222, and " O " RunddichtringO 2222 is set between end cover 222 and pulley 221.Like this, just can use machine oil to be lubricated, and machine oil can use for a long time, need not special maintenance, reduced the cost that uses lubrication oil; And also very convenient when needs are safeguarded, the plug screw of the oil-out 2221 of only need outwarding winding is emitted machine oil from oil-out 2221, and then with the plug screw cycle, and then the plug screw of oil-in is outwarded winding, and injects new machine oil by oil-in and gets final product.Like this, reduce maintenance time, reduced construction cost.
As shown in Figure 3 because two gripper shoes 211 of wire rope locating rack are between pulley assembly 22 and grab bucket junction plate 26, therefore, pulley assembly 22 and wire rope locating rack 21 just can by one group of axle sleeve end cap 23 rotating shaft 27 axially on fix.Like this, not only save the number of part, reduced cost; And when needs are dismantled pulley assembly 22 or wire rope locating rack 21, only need 23 dismountings of axle sleeve end cap, rotating shaft 27 is extracted, just the two can be pulled down simultaneously, thereby can keep in repair, maintain or change it easily, shorten the time of dismounting, improved operating efficiency.
Except above-mentioned pulley mechanism, the utility model also provides a kind of diaphragm wall grab bucket that comprises above-mentioned pulley mechanism, and the grab bucket structure of other each several parts of this diaphragm wall please refer to prior art, and this paper repeats no more.
More than diaphragm wall provided by the utility model grab bucket and pulley mechanism thereof are described in detail.Used specific case herein principle of the present utility model and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present utility model and core concept thereof.Should be understood that; for those skilled in the art; under the prerequisite that does not break away from 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 (9)
1. pulley mechanism, be used for the diaphragm wall grab bucket, comprise pulley assembly (22) and wire rope locating rack (21), it is characterized in that, the gripper shoe (211) of described wire rope locating rack (21) is arranged between the grab bucket junction plate (26) and pulley assembly (22) of described diaphragm wall grab bucket, also comprise the limiting component (24) that is fixed in two described gripper shoes (211), have suitable distance between the outer rim of described limiting component (24) and described pulley (221), deviate from the chute of described pulley (221) with the wire rope (25) that prevents described diaphragm wall grab bucket.
2. pulley mechanism according to claim 1 is characterized in that, the number of described limiting component (24) is at least 1, and described rotating shaft (27) under be fixed with first limiting component (241).
3. pulley mechanism according to claim 2, it is characterized in that, described limiting component (24) also comprises second limiting component (242) and the 3rd limiting component (243), described second limiting component (242) and described the 3rd limiting component (243) are arranged at the both sides of described first limiting component (241) respectively, and symmetrical substantially about described first limiting component (241).
4. pulley mechanism according to claim 3 is characterized in that, the correspondence position of two described gripper shoes (211) all offers through hole, and described limiting component (24) is plugged in described through hole.
5. pulley mechanism according to claim 4 is characterized in that, described limiting component (24) is an alignment pin.
6. pulley mechanism according to claim 5 is characterized in that described alignment pin is with revoling tube.
7. according to each described pulley mechanism of claim 1 to 6, it is characterized in that, offer the oil-in and the oil-out (2221) of lubrication oil on the end cover (222) of described pulley assembly (22), be provided with the sealing plug screw among the two.
8. according to each described pulley mechanism of claim 1 to 6, it is characterized in that described pulley assembly (22) all is installed on described rotating shaft (27) with described gripper shoe (211).
9. a diaphragm wall grab bucket is characterized in that, comprises as each described pulley mechanism of claim 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202222400U CN201473980U (en) | 2009-08-28 | 2009-08-28 | Diaphragm wall grab and pulley mechanism thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202222400U CN201473980U (en) | 2009-08-28 | 2009-08-28 | Diaphragm wall grab and pulley mechanism thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201473980U true CN201473980U (en) | 2010-05-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202222400U Expired - Fee Related CN201473980U (en) | 2009-08-28 | 2009-08-28 | Diaphragm wall grab and pulley mechanism thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201473980U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106450412A (en) * | 2016-08-30 | 2017-02-22 | 中银（宁波）电池有限公司 | Improved battery position transformation mechanism |
-
2009
- 2009-08-28 CN CN2009202222400U patent/CN201473980U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106450412A (en) * | 2016-08-30 | 2017-02-22 | 中银（宁波）电池有限公司 | Improved battery position transformation mechanism |
| CN106450412B (en) * | 2016-08-30 | 2023-03-21 | 中银（宁波）电池有限公司 | Improved battery position switching mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100519 Termination date: 20150828 |
|
| EXPY | Termination of patent right or utility model |