CN201423892Y - Balance suspension frame and multi-shaft crane comprising the balance suspension frame - Google Patents
Balance suspension frame and multi-shaft crane comprising the balance suspension frame Download PDFInfo
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- CN201423892Y CN201423892Y CN2009201590392U CN200920159039U CN201423892Y CN 201423892 Y CN201423892 Y CN 201423892Y CN 2009201590392 U CN2009201590392 U CN 2009201590392U CN 200920159039 U CN200920159039 U CN 200920159039U CN 201423892 Y CN201423892 Y CN 201423892Y
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- spring
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Abstract
The utility model discloses a balance suspension frame which is used in multi-shaft running type engineering machines, wherein a vehicle shaft (6) of a multi-shaft running type engineering machine supports a vehicle frame (5) through main steel plate springs (2), a balance supporting frame group composed of balance supporting frames (3) and flat spring supporting frames (1) is hinged on the vehicle frame (5), each flat spring supporting frame (1) is respectively located on two sides of the balance supporting frame group, two ends portions of the main steel plate springs (2) are respectively overlapped on the balance supporting frames (3) or the flat spring supporting frames (1), the balance suspension frame further comprises balance devices with the same number as the main steel plate springs (2), the middle portions are hinged with the vehicle shaft (6), the first end potion is hinged on the balance supporting frames (3) or the flat spring supporting frames (1), and the second end portion keeps suitable distance with the balance supporting frames (3). The balance suspension frame further discloses a multi-shaft crane comprising the balance suspension frame. The balance suspensionframe enables the multi-shaft running type engineering machines to have better shock absorption features when in normal bearing, and have better balance ability when in overloading.
Description
Technical field
The utility model relates to technical field of engineering machinery, particularly relates to a kind of balance suspension that is used for the multiaxis running type machine.In addition, the utility model also relates to a kind of multiaxis hoisting crane that comprises above-mentioned balance suspension.
Background technology
Along with the fast development of China's economic construction, the raising of hoisting crane load-carrying ability, the use of multiaxis walking type construction machinery is more and more widely.
Yet, when the multiaxis walking type construction machinery travelled on rough road, the uneven phenomenon of vertical load distribution between each axletree probably appearred.When the vertical load of wheel diminishes even be zero, of wheel will diminish even vanishing thereupon, and drive wheels can not produce enough tractive forces in the case, and other vehicle bridge and wheel also have the danger of overload.Therefore, stressed evenly in order to make each vehicle bridge, generally on the multiaxis walking type construction machinery, balance suspension is set.
Please refer to Fig. 1, Fig. 1 is the structural representation of prior art light plate spring balancing suspension.
As shown in Figure 1, vehicle bridge 6 ' is connected by the main steel plate spring 2 ' that plays damping and directional tagging with vehicle frame 5 ', on vehicle bridge 6 ', be hinged with spring carrying block 4 ', on vehicle frame 5 ', be hinged with flat spring bracket 1 ' and balance bracket 3 ', the middle part of described main steel plate spring 2 ' is fixed on the described spring carrying block 4 ', one end of described main steel plate spring 2 ' is overlapped on the flat spring bracket 1 ', and the other end is overlapped on the balance bracket 3 '.Certainly, if the vehicle bridge 6 ' both sides at described main steel plate spring 2 ' place all are the vehicle bridge that participates in balanced system, the two ends of then described main steel plate spring 2 ' all are overlapped on the balance bracket 3 '.Stressed when excessive when one of them vehicle bridge 6 ', the main steel plate spring 2 ' that is fixed on this vehicle bridge 6 ' will be out of shape and promote balance bracket 3 ' rotation, and then will be out of shape with load and all pass near vehicle bridge, finally realize the load equalization of each vehicle bridge.
Yet, because the rigidity and the load-carrying capacity of main steel plate spring 2 ' is limited, work as overload of vehicle, vehicle body is stressed when excessive, and the distortion of main steel plate spring 2 ' arrives end position, and vehicle bridge limiting stopper and vehicle body withstand, and can make vehicle bridge lack of equilibrium ability.
Therefore, how making the multiaxis walking type construction machinery have shock absorbing characteristics preferably when normal load, have balanced capacity preferably when overload, 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 balance suspension that is used for the multiaxis walking type construction machinery, and this balance suspension can make vehicle have shock absorbing characteristics preferably when normal load, has balanced capacity preferably when overload.Another purpose of the present utility model provides a kind of multiaxis hoisting crane that comprises above-mentioned balance suspension.
For solving the problems of the technologies described above, the utility model provides a kind of balance suspension, is used for the multiaxis walking type construction machinery, and the axletree of described multiaxis walking type construction machinery supports its vehicle frame by the main steel plate spring; Be hinged with balance bracket group and two yellow supports of plate of forming by a plurality of balance brackets on the described vehicle frame, the yellow support of each described plate lays respectively at the both sides of described balance bracket group, the both ends of described main steel plate spring are overlapped in described balance bracket or described flat spring bracket respectively, also comprise and the identical balancing device of described main steel plate number springs, the middle part of described balancing device and described axletree are hinged, its first end is articulated in described balance bracket or described flat spring bracket, its the second end and described balance bracket keep suitable distance, so that described main steel plate deflection of spring is in limited time, described the second end and described balance bracket overlap.
Preferably, described balancing device is an equalizing bar, has suitable angle between the first end of described equalizing bar and the second end.
Preferably, described balancing device is an additional leaf spring, has suitable angle between the first end of described additional leaf spring and the second end.
Preferably, described main steel plate spring be positioned at described balancing device directly over.
The utility model also provides a kind of multiaxis hoisting crane, comprises as each described balance suspension of above-mentioned claim.
For solving the problems of the technologies described above, the utility model also provides a kind of balance suspension, be used for the multiaxis walking type construction machinery, the axletree of described multiaxis walking type construction machinery supports its vehicle frame by the main steel plate spring, be hinged with balance bracket group and two flat spring brackets of forming by a plurality of balance brackets on the described axletree, each described flat spring bracket lays respectively at the both sides of described balance bracket group, the both ends of described main steel plate spring are overlapped in described balance bracket or described flat spring bracket respectively, also comprise and the identical balancing device of described main steel plate number springs, the middle part of described balancing device and described vehicle frame are hinged, its first end is articulated in described balance bracket or described flat spring bracket, its the second end and described balance bracket keep suitable distance, so that described main steel plate deflection of spring is in limited time, described the second end and described balance bracket overlap.
Preferably, described balancing device is an equalizing bar, has suitable angle between the first end of described equalizing bar and the second end.
Preferably, described balancing device is an additional leaf spring, has suitable angle between the first end of described additional leaf spring and the second end.
Preferably, described main steel plate spring be positioned at described balancing device under.
The utility model also provides a kind of multiaxis hoisting crane, comprises as above-mentioned each described balance suspension.
Balance suspension provided by the utility model, be used for the multiaxis walking type construction machinery, not only comprise and be installed on the main steel plate spring that plays damping and directional tagging between vehicle bridge and the vehicle frame, also comprise and the identical balancing device of described main steel plate number springs, the middle part of described main steel plate spring and described balancing device is all hinged with axletree, the both ends of main steel plate spring are overlapped in described balance bracket or described flat spring bracket respectively, the first end of described balancing device is articulated in described balance bracket or described flat spring bracket, its the second end and described balance bracket keep suitable distance, so that described main steel plate deflection of spring is in limited time, described the second end and described balance bracket overlap.Like this, when multiaxis walking type construction machinery normal load, described main steel plate spring works, and makes vehicle have damping performance and balanced capacity preferably; When the overload of multiaxis walking type construction machinery, when the second end of described balancing device and described balance bracket overlap joint, balance suspension becomes rigid suspension, and described main steel plate spring and described balancing device concur, and makes the multiaxis walking type construction machinery still have balanced capacity preferably.
The beneficial effect of multiaxis hoisting crane provided by the utility model and another kind of balance suspension is identical with the beneficial effect of above-mentioned balance suspension, repeats no more here.
Description of drawings
Fig. 1 is the structural representation of prior art light plate spring balancing suspension;
Fig. 2 provides the structural representation of a kind of specific embodiment of balance suspension for the utility model.
The specific embodiment
Core of the present utility model provides a kind of balance suspension that is used for the multiaxis walking type construction machinery, and this balance suspension can make the multiaxis walking type construction machinery have shock absorbing characteristics preferably when normal load, has balanced capacity preferably when overload.Another core of the present utility model provides a kind of multiaxis hoisting crane that comprises above-mentioned balance suspension.
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. 2, Fig. 2 carries the structural representation of a kind of specific embodiment of balancing device for the utility model.
In a kind of specific embodiment, balance suspension provided by the utility model comprises that flat spring bracket 1 and the balance bracket 3 that is articulated on the vehicle frame 5, spring carrying block 4, the middle part that is articulated in vehicle bridge 6 be fixed in the main steel plate spring 2 of spring carrying block 4 and the balancing device that the middle part is articulated in axletree 6.Be positioned at an end and the flat spring bracket overlap joint of the main steel plate spring 2 at balance suspension two ends, the other end all overlaps with the balance bracket that is adjacent with the balance bracket overlap joint that is adjacent, the two ends that are positioned at the main steel plate spring at middle part; Similarly, the first end that is positioned at the balancing device at balance suspension two ends is articulated in described flat spring bracket, its the second end and described balance bracket keep suitable distance, the first end that is positioned at the balancing device at balance suspension middle part is articulated in described balance bracket, and its second end and described balance bracket keep suitable distance.
When multiaxis walking type construction machinery normal load, elastic deformation will take place in described main steel plate spring under the effect of weight gravity, has cushioning effect preferably, and, if a certain vehicle bridge is stressed when big, the main steel plate spring of this vehicle bridge will promote the balance bracket rotation, and then load and distortion are delivered to contiguous vehicle bridge, realizes the balance of each vehicle bridge bearing load; When the overload of multiaxis walking type construction machinery, and described main steel plate spring stress is deformed in limited time, the second end of described balancing device and described balance bracket overlap joint, make balance suspension become the rigid balancing suspension, load-carrying capacity improves significantly, simultaneously since this moment the vehicle bridge limiting stopper do not withstand as yet with vehicle frame, make balance suspension still have balanced capacity preferably.Further, when the main steel plate spring produces large deformation suddenly, be not to be that the vehicle bridge limiting stopper at first withstands with the vehicle body collision, collide with balance bracket but balancing device is first, improved the ride comfort of vehicle.
Particularly, as shown in Figure 2, described balancing device is an equalizing bar, has suitable angle between the first end of described equalizing bar and the second end of described equalizing bar, to in limited time, the second end of equalizing bar and described balance bracket overlap, like this with the described main steel plate deflection of spring of box lunch, described equalizing bar and described main steel plate spring carry jointly, make balance suspension still have balanced capacity preferably when the multiaxis walking type construction machinery overloads.Certainly, the shape of described equalizing bar is not limited to above-described mode, and other shapes that can satisfy functional requirement all are fine.
Further, equalizing bar simple in structure, convenient processing and manufacture has not only satisfied the requirement of function, has also reduced manufacturing cost.
Certainly, above-mentioned equalizing bar can also replace with other devices that satisfies functional requirement, such as: the additional leaf spring (not shown).Has suitable angle between the first end of described additional leaf spring and the second end of described additional leaf spring, with convenient multiaxis walking type construction machinery overload, being deformed in limited time of described main steel plate spring, the both ends of described main steel plate spring contact with the second end with the first end of described additional leaf spring respectively, and under the effect of pressure, make the second end and the described balance bracket overlap joint of described additional leaf spring, and then the carrying of each vehicle bridge can be distributed preferably, realize the balance of each vehicle bridge carrying.Further, described additional leaf spring has certain elasticity, therefore works as main steel plate spring and described additional leaf spring and does the time spent simultaneously, and described balance suspension still has certain cushioning ability.
As shown in Figure 2, as can be seen, described balancing device be installed on described main steel plate spring 2 under, like this, when main steel plate spring 2 stressed when big, the both ends of main steel plate spring 2 directly are pressed onto on the described balancing device, make the second end and the described balance bracket overlap joint of described balancing device, and then make described balancing device enter loaded state.Described balancing device can certainly be arranged at the inboard or the outside of described main steel plate spring, need strengthen the span of described balance bracket on vehicle-width direction this moment, to satisfy at described main steel plate deflection of spring in limited time, described balancing device and described balance bracket overlap joint, the requirement that enters loaded state; Further, also can be set to one with described balancing device by described spring carrying block 4.As can be seen, any position that is provided with of satisfying functional requirement all is fine.
Except above-mentioned balance suspension, the utility model also provides a kind of multiaxis hoisting crane that comprises above-mentioned balance suspension, and the structure of these other each several parts of multiaxis hoisting crane please refer to prior art, and this paper repeats no more.
Balance suspension provided by the utility model can also have another kind of set-up mode: all be articulated on the described vehicle bridge 6 at the flat spring bracket 1 at balance suspension two ends with at the balance bracket between the main steel plate spring 23, spring carrying block 4 is articulated on the described vehicle frame 5, the middle part of described main steel plate spring 2 is fixed on the described spring carrying block 4, and the pivotally attached position, middle part of described balancing device is identical with the articulated position of described spring carrying block 4.Be positioned at an end and the flat spring bracket overlap joint of the main steel plate spring 2 at balance suspension two ends, the other end and balance bracket overlap joint, the two ends that are positioned at the main steel plate spring at balance suspension middle part all overlap with balance bracket; Similarly, the first end that is positioned at the balancing device at balance suspension two ends is articulated in described flat spring bracket, its the second end and described balance bracket keep suitable distance, the first end that is positioned at the balance suspension at balance suspension middle part is articulated in described balance bracket, and its second end and described balance bracket keep suitable distance.
Like this, when the overload of multiaxis walking type construction machinery, and described main steel plate spring stress is deformed in limited time, the second end of described balancing device and described balance bracket overlap joint, make balance suspension become the rigid balancing suspension, load-carrying capacity improves significantly, simultaneously since this moment the vehicle bridge limiting stopper do not withstand as yet with vehicle frame, make balance suspension still have balanced capacity preferably.Further, when the main steel plate spring produces large deformation suddenly, be not to be that the vehicle bridge limiting stopper at first withstands with the vehicle body collision, collide with balance bracket but balancing device is first, improved the ride comfort of vehicle.
In the set-up mode of above-mentioned balance suspension, described balancing device also can be an equalizing bar, distance has suitable angle between the first end of described equalizing bar and the second end of described equalizing bar, arrive in limited time with the described main steel plate deflection of spring of box lunch, the second end of equalizing bar and described balance bracket overlap joint, described equalizing bar and described main steel plate spring are carried jointly, improved the balanced capacity of described balance suspension when the multiaxis walking type construction machinery overloads.
Certainly, in the set-up mode of this kind balance suspension, described balancing device also can be an additional leaf spring, has suitable angle between the first end of described additional leaf spring and the second end of described additional leaf spring, with convenient multiaxis walking type construction machinery overload, being deformed in limited time of described main steel plate spring, the both ends of described main steel plate spring contact with the second end with the first end of described additional leaf spring respectively, and under the effect of pressure, make the second end and the described balance bracket overlap joint of described additional leaf spring, and then the carrying of each vehicle bridge can be distributed preferably, realize the balance of each vehicle bridge carrying.Further, described additional leaf spring has certain elasticity, therefore works as main steel plate spring and described additional leaf spring and does the time spent simultaneously, and described balance suspension still has certain cushioning ability.
In the set-up mode of this kind balance suspension, described balancing device can be arranged at described main steel plate spring directly over, the inboard or the outside of described main steel plate spring, can certainly be set to one with spring carrying block.The advantage of various set-up modes is identical with first kind of set-up mode, just repeats no more here.
Except above-mentioned balance suspension, the utility model also provides a kind of multiaxis hoisting crane that comprises above-mentioned balance suspension, and the structure of these other each several parts of multiaxis hoisting crane please refer to prior art, and this paper repeats no more.
More than multiaxis hoisting crane provided by the utility model and balance suspension 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 (10)
1, a kind of balance suspension is used for the multiaxis walking type construction machinery, and the axletree of described multiaxis walking type construction machinery (6) supports its vehicle frame (5) by main steel plate spring (2); Be hinged with balance bracket group and two flat spring brackets (1) formed by a plurality of balance brackets (3) on the described vehicle frame (5), each described flat spring bracket (1) lays respectively at the both sides of described balance bracket group, the both ends of described main steel plate spring (2) are overlapped in described balance bracket (3) or described flat spring bracket (1) respectively, it is characterized in that, also comprise and the same number of balancing device of described main steel plate spring (2), the middle part of described balancing device and described axletree (6) are hinged, its first end is articulated in described balance bracket (3) or described flat spring bracket (1), its the second end and described balance bracket (3) keep suitable distance, so that described main steel plate spring (2) is deformed in limited time, described the second end and described balance bracket (3) overlap joint.
2, balance suspension according to claim 1 is characterized in that, described balancing device is equalizing bar (7), has suitable angle between the first end of described equalizing bar (7) and the second end.
3, balance suspension according to claim 1 is characterized in that, described balancing device is an additional leaf spring, has suitable angle between the first end of described additional leaf spring and the second end.
4, according to each described balance suspension of claim 1 to 3, it is characterized in that, described main steel plate spring (2) be positioned at described balancing device directly over.
5, a kind of multiaxis hoisting crane is characterized in that, comprises as each described balance suspension of claim 1 to 4.
6, a kind of balance suspension, be used for the multiaxis walking type construction machinery, the axletree of described multiaxis walking type construction machinery (6) supports its vehicle frame (5) by main steel plate spring (2), be hinged with balance bracket group and two flat spring brackets (1) formed by a plurality of balance brackets (3) on the described axletree (6), each described flat spring bracket (1) lays respectively at the both sides of described balance bracket group, the both ends of described main steel plate spring (2) are overlapped in described balance bracket (3) or described flat spring bracket (1) respectively, it is characterized in that, also comprise and the same number of balancing device of described main steel plate spring (2), the middle part of described balancing device and described vehicle frame (5) are hinged, its first end is articulated in described balance bracket (3) or described flat spring bracket (1), its the second end and described balance bracket (3) keep suitable distance, so that described main steel plate spring (2) is deformed in limited time, described the second end and described balance bracket (3) overlap joint.
7, balance suspension according to claim 6 is characterized in that, described balancing device is equalizing bar (7), has suitable angle between the first end of described equalizing bar (7) and the second end.
8, balance suspension according to claim 6 is characterized in that, described balancing device is an additional leaf spring, has suitable angle between the first end of described additional leaf spring and the second end.
9, according to each described balance suspension of claim 6 to 8, it is characterized in that, described main steel plate spring (2) be positioned at described balancing device under.
10, a kind of multiaxis hoisting crane is characterized in that, comprises as each described balance suspension of claim 6 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201590392U CN201423892Y (en) | 2009-06-25 | 2009-06-25 | Balance suspension frame and multi-shaft crane comprising the balance suspension frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201590392U CN201423892Y (en) | 2009-06-25 | 2009-06-25 | Balance suspension frame and multi-shaft crane comprising the balance suspension frame |
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| Publication Number | Publication Date |
|---|---|
| CN201423892Y true CN201423892Y (en) | 2010-03-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201590392U Expired - Fee Related CN201423892Y (en) | 2009-06-25 | 2009-06-25 | Balance suspension frame and multi-shaft crane comprising the balance suspension frame |
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| CN (1) | CN201423892Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105129609A (en) * | 2015-09-10 | 2015-12-09 | 浙江合建重工科技股份有限公司 | Dynamic balance hydraulic wheel for hoist |
| CN109649273A (en) * | 2019-01-28 | 2019-04-19 | 倪岚霖 | A kind of overload control system with automatic protection functions |
| CN110435373A (en) * | 2019-08-22 | 2019-11-12 | 三一汽车起重机械有限公司 | Suspension fork mechanism and load balance factor equipment |
| CN110562685A (en) * | 2019-09-12 | 2019-12-13 | 三一海洋重工有限公司 | trolley, crane, bulk material conveyor and design method of trolley |
| CN113085464A (en) * | 2021-04-30 | 2021-07-09 | 徐州重型机械有限公司 | Leaf spring suspension and vehicle |
-
2009
- 2009-06-25 CN CN2009201590392U patent/CN201423892Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105129609A (en) * | 2015-09-10 | 2015-12-09 | 浙江合建重工科技股份有限公司 | Dynamic balance hydraulic wheel for hoist |
| CN109649273A (en) * | 2019-01-28 | 2019-04-19 | 倪岚霖 | A kind of overload control system with automatic protection functions |
| CN109649273B (en) * | 2019-01-28 | 2020-12-18 | 安徽茗达专用汽车制造有限公司 | Overload control system with automatic protection function |
| CN110435373A (en) * | 2019-08-22 | 2019-11-12 | 三一汽车起重机械有限公司 | Suspension fork mechanism and load balance factor equipment |
| CN110562685A (en) * | 2019-09-12 | 2019-12-13 | 三一海洋重工有限公司 | trolley, crane, bulk material conveyor and design method of trolley |
| CN113085464A (en) * | 2021-04-30 | 2021-07-09 | 徐州重型机械有限公司 | Leaf spring suspension and vehicle |
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Legal Events
| Date | Code | Title | Description |
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| 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: 20100317 Termination date: 20140625 |
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| EXPY | Termination of patent right or utility model |