CN201358144Y - Positioning device of rotary locking pin and crane with same - Google Patents
Positioning device of rotary locking pin and crane with same Download PDFInfo
- Publication number
- CN201358144Y CN201358144Y CNU2009200067504U CN200920006750U CN201358144Y CN 201358144 Y CN201358144 Y CN 201358144Y CN U2009200067504 U CNU2009200067504 U CN U2009200067504U CN 200920006750 U CN200920006750 U CN 200920006750U CN 201358144 Y CN201358144 Y CN 201358144Y
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- Prior art keywords
- locking pin
- positioning element
- revolution locking
- connecting structure
- portion connecting
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Abstract
The utility model discloses a positioning device of a rotary locking pin, which comprises a connecting auxiliary base, a first positioning component and a second positioning component, wherein the connecting auxiliary base is used for being fixedly connected with a turntable and is provided with an upper connecting structure and a lower connecting structure, the first positioning component is used for being fixedly connected with the rotary locking pin, and the second positioning component is connected with the upper connecting structure or the lower connecting structure of the connecting auxiliary base. When the lower end portion of the rotary locking pin abuts against a limit component fixedly arranged on a carriage, the second positioning component is connected with the lower connecting structure of the connecting auxiliary base and is arranged above the first positioning component, and when the lower end portion of the rotary locking pin is separated from the limit component fixedly arranged on the carriage, the second positioning component is connected with the upper connecting structure of the connecting auxiliary base and is disposed below the first positioning component, thereby effectively preventing the rotary locking pin moving up and down. The utility model further discloses a crane with the positioning device.
Description
Technical field
The utility model relates to technical field of engineering machinery, is specifically related to a kind of hoisting crane that turns round the registration device of locking pin and have this registration device.
Background technology
In operation process, each mechanism of hoisting crane needs compounding practice to adapt to different applying working conditions.Such as flexible, the luffing of, jib, the revolution of turntable and the walking of getting off etc.Wherein, turntable supports by revolution and is connected with following vehicle carriage, and the revolution that can realize turntable is supported in this revolution, and vertical load, horizontal load and the capsizing moment that jib can also be acted on the turntable are passed to down vehicle carriage.Hoisting crane is in transhipment and do not use etc. under the situation, and turntable need position with respect to vehicle frame, to prevent that relative revolution takes place between the two, avoids causing unnecessary safety misadventure.
Along with the development of hoisting crane, also more and more higher for the requirement of its safety performance towards the large-tonnage direction.In the prior art, mostly employing revolution locking pin guarantees the location between turntable and the vehicle frame, and this revolution locking pin links to each other with turntable and has two control positioies; When the relative position between turntable and the vehicle frame fixedly the time, this revolution locking pin stretches out downwards and its bottom offsets with the limiting component that is fixed on the vehicle frame, at this moment, described revolution locking pin is in first control position, this limiting component can limit revolution locking pin wraparound commentaries on classics center and rotate, thereby guaranteed that hoisting crane is in transhipment with safety, reliability under the situation such as do not use; When the relative position between turntable and the vehicle frame need not fixedly, this revolution lock pin turned to withdrawal, can lift restrictions, and at this moment, described revolution locking pin is in second control position.
In the prior art, the revolution locking pin guarantees to turn round locking pin by own wt and can not upwards jump.As everyone knows, under the state that relative position between turntable and the vehicle frame is fixed, it is stable that the axial location of this revolution locking pin should keep, and promptly guarantees the working stability of its first control position; If this revolution locking pin upwards jumps and broken away from the restriction of limiting component to its rotation, will there be great uneasy hidden danger.
In addition, realize the fixing engineering mechanism of relative position between turntable and the vehicle frame existing the problems referred to above equally for utilization revolution locking pins such as excavating machines.
In view of this, demand developing the registration device of this revolution locking pin urgently, jumping up and down with restriction guarantees that it has the failure-free control position.
The utility model content
At above-mentioned defective, the technical matters that the utility model solves is, a kind of registration device that turns round locking pin is provided, to improve the safety and the reliability of car load.On this basis, the utility model also provides a kind of hoisting crane with this registration device.
The revolution locking pin registration device that the utility model provides comprises connecting attached seat, first positioning element and second positioning element; The attached seat of described connection is used for captiveing joint with turntable, has last portion connecting structure and following portion connecting structure; Described first positioning element is used for captiveing joint with the revolution locking pin; Described second positioning element connects with described last portion connecting structure or the following portion connecting structure that is connected attached seat; The bottom of described revolution locking pin be fixedly installed on limiting component on the vehicle frame when offseting, this second positioning element is connected with the described following portion connecting structure that is connected attached and described second positioning element places the top of described first positioning element; The bottom of described revolution locking pin be fixedly installed on limiting component on the vehicle frame when breaking away from, this second positioning element is connected with the described last portion connecting structure that is connected attached and described second positioning element places the below of described first positioning element.
Preferably, the described portion connecting structure of going up is that through hole is installed on top, and described portion connecting structure down is that through hole is installed in the bottom; Described second positioning element is inserted into top and installs in through hole or the bottom installation through hole.
Preferably, the attached seat of described connection is two, and is symmetricly set on the both sides of described first positioning element.
Preferably, described second positioning element is a bearing pin, and adopts spring cotter to fix itself and the relative position that is connected between the attached seat.
Preferably, described upward portion connecting structure is the top threaded connector, and described portion connecting structure down is the lower thread attaching parts, and described second positioning element is threaded with top threaded connector or lower thread attaching parts.
Preferably, described first positioning element is the pin that rises, and has the mounting hole that holds this pin that rises on the described revolution locking pin.
The revolution locking pin registration device that the utility model provides is specially adapted to hoisting crane or excavating machine etc. applicable to various construction machinery and equipments.
The hoisting crane that the utility model provides comprises the revolution locking pin that is arranged on the turntable and is arranged on vehicle frame upper limit parts, also comprises the registration device of foregoing revolution locking pin.
Preferably, also comprise protecting sleeve, it is sleeved on the outside of described revolution locking pin and captives joint with turntable, the bar-shaped trough that the sidewall upper shed of described protecting sleeve axially is provided with; And described first positioning element cooperates with described second positioning element after this bar-shaped trough stretches out.
Preferably, also comprise driving oil cylinder, described driving oil cylinder is fixedly installed on the turntable, and its cylinder bar external part is captiveed joint with described revolution locking pin; Stretching out or regaining of described driving oil cylinder cylinder bar drives described revolution locking pin and stretches out or regain.
Preferably, the middle part of described limiting component has pit, and the cross sectional shape of the cross sectional shape of this pit and described revolution locking pin is suitable, so that this revolution locking pin and described limiting component be when offseting, its bottom places in this pit.
The revolution locking pin registration device that the utility model provides is used for and the supporting use of existing revolution locking pin.During operation, place the revolution locking pin on the turntable to be in first control position: its bottom breaks away from placing the limiting component on the vehicle frame, first positioning element is with moving on the revolution locking pin, at this moment, second positioning element links to each other with the described last portion connecting structure that is connected on the attached seat, and described second positioning element places the below of described first positioning element, moves down thereby can limit the revolution locking pin; When equipment is transported or is not used, place the revolution locking pin on the turntable to be in second control position: its bottom with place the limiting component on the vehicle frame to offset, in case the spline platform rotates with respect to vehicle frame, first positioning element moves down with the revolution locking pin, at this moment, second positioning element links to each other with the described following portion connecting structure that is connected on the attached seat, and described second positioning element places the top of described first positioning element, moves thereby can limit on the revolution locking pin.Comprehensively above-mentioned, the revolution locking pin has guaranteed its safety, reliability no matter mentioning state still in full state, can utilize device provided by the utility model to position, thereby can effectively avoid turning round jumping up and down of locking pin.
In the preferred version of hoisting crane that the utility model provides, captive joint with turntable and to have additional protecting sleeve, it is sleeved on the outside of described revolution locking pin.As everyone knows, the working environment of engineering mechanism is comparatively abominable, if the revolution locking pin is deformed by external impacts, can't stretch out normally or regain; Therefore, the protecting sleeve of setting up in this programme that covers on the described revolution locking pin outside efficiently solves the problems referred to above.
Description of drawings
Fig. 1 is a kind of running condition front view that the utility model provides the registration device of revolution locking pin;
Fig. 2 is the A-A cutaway view of Fig. 1;
Fig. 3 is second kind of running condition front view that the utility model provides the registration device of revolution locking pin;
Fig. 4 is the B-B cutaway view of Fig. 3;
Fig. 5 is the I portion enlarged drawing of Fig. 1;
Fig. 6 is the II portion enlarged drawing of Fig. 2;
Fig. 7 is the outside drawing of hoisting crane that the utility model provides.
Among the figure:
Connect attached seat 1, last portion connecting structure 11, following portion connecting structure 12, first positioning element 2 and second positioning element 3, spring cotter 4;
The specific embodiment
Based on two control positioies of revolution locking pin, core of the present utility model has provided revolution locking pin registration device, utilizes the positioning element restriction, so that this revolution locking pin has the failure-free control position.
Specify present embodiment below in conjunction with Figure of description.
See also Fig. 1, this figure is a kind of running condition front view that the utility model provides the registration device of revolution locking pin.
As shown in Figure 1, revolution locking pin registration device comprises connection attached seat 1, first positioning element 2 and second positioning element 3.Be the relation of cooperatively interacting between each parts of clear statement, please in the lump referring to Fig. 2, this figure is the A-A cutaway view of Fig. 1.
Connect attached 1 and captive joint, have last portion connecting structure 11 and following portion connecting structure 12 with turntable 10.
Revolution locking pin 30 shown in Fig. 1 is in first control position, the bottom of this revolution locking pin 30 and the limiting component 40 that is fixedly installed on the vehicle frame 20 offset, and described second positioning element 2 is connected with the described following portion connecting structure 12 that is connected attached 1 and described second positioning element 3 places the top of described first positioning element 2; Like this, when described revolution locking pin 30 improper moving down, the lower surface of first positioning element 2 of captiveing joint with it and the upper surface of described second positioning element 3 offset, thereby restriction revolution locking pin moves down.Show that for clear its thin bilge construction can be referring to Fig. 5 and Fig. 6, wherein, Fig. 5 is the I portion enlarged drawing of Fig. 1; Fig. 6 is the II portion enlarged drawing of Fig. 2.
See also Fig. 3 and Fig. 4, wherein, Fig. 3 is second kind of running condition front view that the utility model provides the registration device of revolution locking pin; Fig. 4 is the B-B cutaway view of Fig. 3.
Revolution locking pin 30 shown in Fig. 3 is in second control position, the bottom of this revolution locking pin 30 breaks away from the limiting component 40 that is fixedly installed on the vehicle frame 20, and described second positioning element 3 is connected with the described last portion connecting structure 11 that is connected attached 1 and described second positioning element 3 places the below of described first positioning element 2; Like this, when moving on described revolution locking pin 30 is improper, the upper surface of first positioning element 3 of captiveing joint with it and the lower surface of described second positioning element 3 offset, thereby move on the restriction revolution locking pin.
Need to prove that the attached seat 1 of described connection can be block structure or platy structure, perhaps uses other structure members on the turntable.Last portion connecting structure 11 on it and following portion connecting structure 12 can adopt multiple version to realize, are connected with the folding of its as long as can realize second positioning element 3, all in the protection domain of this patent.
Shown in the figure, the described portion connecting structure 11 of going up is installed through hole for top, and described portion connecting structure 12 is down installed through hole for the bottom; Described second positioning element 3 is inserted into top and installs in through hole (as shown in Figure 3) or the bottom installation through hole (as shown in fig. 1).
Shown in the figure, described second positioning element 3 is a bearing pin, and adopts spring cotter 4 to fix itself and the relative position that is connected between the attached seat 1; The attached seat 1 of described connection has adopted two platy structure spares, and is symmetricly set on the both sides of described first positioning element 2, to improve working stability.Be understandable that this second positioning element 3 can selection standard spare, to reduce the manufacturing cost of this device.
Can certainly be such design, the last portion connecting structure 11 on the described link 1 be a top threaded connector (not shown), and the following portion connecting structure 12 on it is a lower thread attaching parts (not shown); Have the helicitic texture (not shown) suitable on described second positioning element 3, be threaded with top threaded connector or lower thread attaching parts to realize it with it.
In like manner, described first positioning element 2 can adopt rod shaped structure or block structure, and can adopt multiple mode to captive joint with revolution locking pin 30, such as, welding, riveted joint etc.
Shown in the figure, described first positioning element 2 is the pin that rises, and has the mounting hole 31 that holds this pin that rises on the described revolution locking pin 30; During assembling, mounting hole 31 centerings of will rise earlier pin one end and described revolution locking pin 30 force in the other end of this pin that rises again, form the firm annexation that rises between pin and the described revolution locking pin 30.
The revolution locking pin registration device that the utility model provides is applicable to various construction machinery and equipments; special version be; this scheme can be used for also can being used for existing car transformation, as long as satisfy goal of the invention described herein all in the protection domain of this patent in the new car design.
See also Fig. 7, the hoisting crane that the utility model provides comprises the revolution locking pin that is arranged on the turntable and is arranged on vehicle frame upper limit parts, also comprises the registration device of foregoing revolution locking pin; Concrete annexation is please in the lump referring to Fig. 1, Fig. 2, Fig. 3 and Fig. 4.In addition, other main function components such as the chassis of this hoisting crane, turntable, power system, hoisting system and Lifting device are not the inventive point places of this patent, do not repeat them here.
As everyone knows, the working environment of engineering mechanism is comparatively abominable, if revolution locking pin 30 is deformed by external impacts and can't stretch out or regain, can not carry out normal operation; For this reason, this programme also comprises protecting sleeve 50, and it is sleeved on the outside of described revolution locking pin 30 and captives joint with turntable 10, the bar-shaped trough 51 that the sidewall upper shed of described protecting sleeve 50 axially is provided with; And described first positioning element 2 cooperates with second positioning element 3 after this bar-shaped trough 51 stretches out, thereby efficiently solves the problems referred to above.
As shown in the figure, also comprise driving oil cylinder 60, the cylinder body of described driving oil cylinder 60 is fixedly installed on the turntable 10, and its cylinder bar external part is captiveed joint with described revolution locking pin 30; Stretching out or regaining of described driving oil cylinder cylinder bar drives described revolution locking pin 30 and stretches out or regain.
The middle part of described limiting component 40 has pit 41, and the cross sectional shape of the cross sectional shape of this pit 41 and described revolution locking pin 30 is suitable, so that this revolution locking pin 30 is when offseting with described limiting component 40, its bottom places in this pit 41.
When the control position of described revolution locking pin 30 need be changed, concrete operations of the present utility model were as follows:
With reference to figure 1 and Fig. 2, earlier second positioning element 3 is extracted from the top connecting bore that connects attached seat 1, to stretch out drive revolution locking pin 30 by driving oil cylinder 60 and stretch out downwards, its bottom places limiting component 40, to first control position; Then, again second positioning element 3 is inserted in the bottom connecting bore that connects attached seat 1.
Otherwise, with reference to figure 3 and Fig. 4, earlier second positioning element 3 is extracted from the bottom connecting bore that connects attached seat 1, to regain drive revolution locking pin 30 by driving oil cylinder 60 and upwards regain, its bottom and limiting component 40 break away from, to second control position; Then, again second positioning element 3 is inserted in the top connecting bore that connects attached seat 1.
Comprehensively above-mentioned, the revolution locking pin has guaranteed its safety, reliability no matter mentioning state still in full state, can utilize device provided by the utility model to position, thereby can effectively avoid turning round jumping up and down of locking pin.
The above only is a preferred implementation of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (10)
1, the registration device of revolution locking pin is characterized in that, comprising:
Connect attached seat, be used for captiveing joint, have last portion connecting structure and following portion connecting structure with turntable;
First positioning element is used for captiveing joint with the revolution locking pin;
Second positioning element connects with described last portion connecting structure or the following portion connecting structure that is connected attached seat; The bottom of described revolution locking pin be fixedly installed on limiting component on the vehicle frame when offseting, described second positioning element is connected with the described following portion connecting structure that is connected attached and this second positioning element places the top of described first positioning element; The bottom of described revolution locking pin be fixedly installed on limiting component on the vehicle frame when breaking away from, described second positioning element is connected with the described last portion connecting structure that is connected attached and this second positioning element places the below of described first positioning element.
2, the registration device of revolution locking pin according to claim 1 is characterized in that, the described portion connecting structure of going up is that through hole is installed on top, and described portion connecting structure down is that through hole is installed in the bottom; Described second positioning element is inserted into top and installs in through hole or the bottom installation through hole.
3, the registration device of revolution locking pin according to claim 2 is characterized in that, the attached seat of described connection is two, and is symmetricly set on the both sides of described first positioning element.
4, the registration device of revolution locking pin according to claim 3 is characterized in that, described second positioning element is a bearing pin, and adopts spring cotter to fix itself and the relative position that is connected between the attached seat.
5, the registration device of revolution locking pin according to claim 1, it is characterized in that, described upward portion connecting structure is the top threaded connector, described portion connecting structure down is the lower thread attaching parts, and described second positioning element is threaded with top threaded connector or lower thread attaching parts.
6, the registration device of revolution locking pin according to claim 1 is characterized in that, described first positioning element is the pin that rises, and has the mounting hole that holds this pin that rises on the described revolution locking pin.
7, hoisting crane comprises the revolution locking pin that is arranged on the turntable and is arranged on vehicle frame upper limit parts, it is characterized in that, also comprises the registration device as the described revolution locking pin of arbitrary claim in the claim 1 to 7.
8, hoisting crane according to claim 7 is characterized in that, also comprises:
Protecting sleeve is sleeved on the outside of described revolution locking pin and captives joint the bar-shaped trough that the sidewall upper shed of described protecting sleeve axially is provided with turntable; And
Described first positioning element cooperates with described second positioning element after this bar-shaped trough stretches out.
9, according to claim 7 or 8 described hoisting cranes, it is characterized in that, also comprise:
Driving oil cylinder is fixedly installed on the turntable, and its cylinder bar external part is captiveed joint with described revolution locking pin; Stretching out or regaining of described driving oil cylinder cylinder bar drives described revolution locking pin and stretches out or regain.
10, hoisting crane according to claim 9, it is characterized in that, the middle part of described limiting component has pit, the cross sectional shape of the cross sectional shape of this pit and described revolution locking pin is suitable, so that this revolution locking pin and described limiting component be when offseting, its bottom places in this pit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200067504U CN201358144Y (en) | 2009-03-13 | 2009-03-13 | Positioning device of rotary locking pin and crane with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200067504U CN201358144Y (en) | 2009-03-13 | 2009-03-13 | Positioning device of rotary locking pin and crane with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201358144Y true CN201358144Y (en) | 2009-12-09 |
Family
ID=41423905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009200067504U Expired - Lifetime CN201358144Y (en) | 2009-03-13 | 2009-03-13 | Positioning device of rotary locking pin and crane with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201358144Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103395701A (en) * | 2013-07-30 | 2013-11-20 | 中联重科股份有限公司 | Locking mechanism for rotary table and arm support and engineering machinery |
| CN105621253A (en) * | 2014-10-31 | 2016-06-01 | 无锡晟欧船舶设备有限公司 | Limiting device of rotary crane |
| CN106185659A (en) * | 2016-09-12 | 2016-12-07 | 中联重科股份有限公司 | Slewing device and tower crane |
-
2009
- 2009-03-13 CN CNU2009200067504U patent/CN201358144Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103395701A (en) * | 2013-07-30 | 2013-11-20 | 中联重科股份有限公司 | Locking mechanism for rotary table and arm support and engineering machinery |
| CN103395701B (en) * | 2013-07-30 | 2015-08-05 | 中联重科股份有限公司 | Locking mechanism for rotary table and arm support and engineering machinery |
| CN105621253A (en) * | 2014-10-31 | 2016-06-01 | 无锡晟欧船舶设备有限公司 | Limiting device of rotary crane |
| CN105621253B (en) * | 2014-10-31 | 2018-07-06 | 无锡晟欧船舶设备有限公司 | A kind of limiting device of isolated pillar crane |
| CN106185659A (en) * | 2016-09-12 | 2016-12-07 | 中联重科股份有限公司 | Slewing device and tower crane |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: XCMG CONSTRUCTION MACHINERY CO., LTD.CONSTRUCTION Free format text: FORMER OWNER: XUZHOU HEAVY MACHINERY CO., LTD. Effective date: 20100608 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 221004 NO.165, TONGSHAN ROAD, XUZHOU CITY, JIANGSU PROVINCE TO: 221004 NO.19, TAOSHAN ROAD, ECONOMIC DEVELOPMENT ZONE, XUZHOU CITY, JIANGSU PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20100608 Address after: 221004 No. 19 Peach Road, Xuzhou Economic Development Zone, Jiangsu, China Patentee after: Building Machinery Co., Ltd., XCMG Construction Machinery Co., Ltd. Address before: 221004 Xuzhou, Zhejiang Province, Jiangsu Road No. 165 Patentee before: Xuzhou Heavy Machinery Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20091209 |