CN203005392U - Counter weight landing leg base plate and engineering machinery - Google Patents
Counter weight landing leg base plate and engineering machinery Download PDFInfo
- Publication number
- CN203005392U CN203005392U CN 201220664092 CN201220664092U CN203005392U CN 203005392 U CN203005392 U CN 203005392U CN 201220664092 CN201220664092 CN 201220664092 CN 201220664092 U CN201220664092 U CN 201220664092U CN 203005392 U CN203005392 U CN 203005392U
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- Prior art keywords
- groove
- oil cylinder
- counterweight
- liner plate
- support leg
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Abstract
The utility model discloses a counter weight landing leg base plate which comprises a counter weight unit (20) and a locking device. A groove (24) is formed in the counter weight unit (20) and used for being matched with the head portion of a support oil cylinder (101). When the head portion of the support oil cylinder (101) is inserted into the groove (24), the locking device is used for enabling the head portion of the support oil cylinder (101) to be locked in the groove (24); and when the locking device is unlocked, the head portion of the support oil cylinder (101) can be pulled away from the groove (24). The utility model further provides engineering machinery. The counter weight landing leg base plate not only has a supporting function, but also has a balancing weight function, and therefore the stability performance of operations of the engineering machinery is improved.
Description
Technical field
The utility model relates to engineering machinery field, particularly a kind of counterweight support leg liner plate and construction machinery and equipment.
Background technology
At present, concrete pump truck and other have the construction machinery and equipment of supporting leg mostly to adopt movable supporting legs backing plate with car.During work, concrete pump truck and other have the construction machinery and equipment own wt of supporting leg, pass to support leg liner plate by supporting leg, then pass to ground, and therefore, support leg liner plate generally is in pressured state.Sometimes, when forwarding a side to because of the extending arm of construction machinery and equipment, the support leg liner plate of opposite side might be in the free state that does not stress.
Concrete pump truck and other construction machinery and equipment that supporting leg is arranged are in evolution, its the key technical indexes such as extending arm lengthen, and weight is subject to the relevant laws and regulations restriction, when the design of main frame extending arm lengthens, stable and balance during for the assurance host work must strengthen Area of bearing, namely supporting leg design long enough, can increase main frame weight so undoubtedly, therefore relatively limit the length of main frame extending arm.
The utility model content
In view of this, the utility model proposes a kind of counterweight support leg liner plate and construction machinery and equipment, to solve engineering machinery counter weight and stability problem.
On the one hand, the utility model provides a kind of counterweight support leg liner plate, comprise counterweight element, Locking Device, offer groove on counterweight element, groove is used for coordinating with the head of support oil cylinder, and when the head of support oil cylinder inserted in groove, Locking Device was used for the head of support oil cylinder is locked at groove, when the Locking Device release, the head of support oil cylinder can be deviate from from groove.
Further, Locking Device comprises at least one latch, and counterweight element is offered transverse holes, and transverse holes communicates with groove, and latch is installed in transverse holes and its first end can stretch in groove.
Further, Locking Device comprises two latches, and two latches are arranged with the Central Symmetry of groove.
Further, be set with retracing spring on latch, retracing spring is used for the first end of described latch is stretched in groove, the first end of latch is provided with the inclined-plane, when the head of support oil cylinder inserts in groove, the head conflict inclined-plane of support oil cylinder is retracted the first end of latch in groove, when the head of support oil cylinder inserted groove and puts in place, the first end of latch was resisted against the above-head of support oil cylinder under effect at retracing spring.
Further, the second end of latch is equipped with the handle of retracting in the groove for the first end that drives latch.
Further, the upper end of groove is bell mouth shape.
Further, the inner bottom surface of groove is sphere or arc surface or the conical surface or plane.
Further, the weight of counterweight element is more than 100 kilograms or equals 100 kilograms.
A kind of construction machinery and equipment also is provided on the other hand, has comprised above-mentioned counterweight support leg liner plate, construction machinery and equipment is when operation, and the counterweight support leg liner plate is arranged on support leg for engineered machine.。
A kind of counterweight support leg liner plate and construction machinery and equipment beneficial effect that the utility model provides are:
One, four counterweight support leg liner plates that weight balance function is arranged in the situation that do not change other parts of construction machinery and equipment, can dwindle the supporting leg length of run, are conducive to construction machinery and equipment in the construction in narrow and small building site, reduce the construction area area, fully effectively utilize the space;
Its two, four the counterweight support leg liner plates that weight balance function is arranged have sufficient intensity, when doing supporting role, can disperse uniformly supporting leg to pass the positive pressure of coming;
Its three, the counterweight support leg liner plate has outside existing support leg liner plate support function, also has weight balance function, enough weight is arranged to keep overall engineering machine working stability and balance.
Description of drawings
The accompanying drawing that consists of a part of the present utility model is used to provide further understanding of the present utility model, and illustrative examples of the present utility model and explanation thereof are used for explaining the utility model, do not consist of improper restriction of the present utility model.In the accompanying drawings:
View when Fig. 1 is the concrete pump truck walking;
View when Fig. 2 is the concrete pump truck operation;
Fig. 3 is the first counterweight support leg liner plate schematic diagram of Fig. 2;
Fig. 4 is the second counterweight support leg liner plate schematic diagram of Fig. 2;
Fig. 5 is the third counterweight support leg liner plate schematic diagram of Fig. 2.
The specific embodiment
Need to prove, in the situation that do not conflict, embodiment and the feature in embodiment in the utility model can make up mutually.Describe below with reference to the accompanying drawings and in conjunction with the embodiments the utility model in detail.
As depicted in figs. 1 and 2, during concrete pump truck 1 normal walking, four of front and back supporting leg 10,11 is regained, and boom system is folding.When concrete pump truck 1 operation, at first counterweight support leg liner plate 2 is placed on supporting leg 10 before and after each, 11 times suitable Support Positions.Article four, supporting leg 10,11 launches, and front leg strut oil cylinder 101 heads are locked on counterweight support leg liner plate 2, and rear support leg oil cylinder 111 spherical head are locked on counterweight support leg liner plate 2.At front and back support oil cylinder 101 and 111, concrete pump truck 1 is lifted, make the tire built on stilts.Concrete pump truck 1 beginning operation.
As shown in Figure 3, counterweight support leg liner plate 2 comprises counterweight element 20, Locking Device; Offer groove 24 on counterweight element 20, groove 24 is used for coordinating with the head of support oil cylinder 101.When the head of support oil cylinder 101 inserted in groove 24, Locking Device was used for the head of support oil cylinder 101 is locked at groove 24, and when the Locking Device release, the head of support oil cylinder 101 can be deviate from from groove 24.Locking Device comprises at least one latch 21, and counterweight element 20 is offered transverse holes, and transverse holes communicates with groove 24, and latch 21 is installed in transverse holes and its first end can stretch in groove 24.Preferably, Locking Device comprises that 21, two latches 21 of two latches are with the Central Symmetry layout of groove 24.Be set with retracing spring 22 on latch 21, retracing spring 22 is used for the first end of described latch 21 is stretched in groove 24, the first end of latch 21 is provided with the inclined-plane, when the head of support oil cylinder 101 inserts groove 24 when interior, the head conflict inclined-plane of support oil cylinder 101 makes the first end of latch 21 from the interior retraction of groove 24.In the above-head of support oil cylinder 101, a locking plane can be set, when the head of support oil cylinder 101 inserted groove 24 and puts in place, the first end of latch 21 was above the locking plane of retracing spring 22 at the head that is resisted against support oil cylinder 101 under effect.The second end of latch 21 is equipped with for the handle 23 of the first end that drives latch 21 from groove 24 interior retractions.This bright Locking Device can also adopt the modes such as magnet attraction except adopting the latch mode.Locking Device is upper outside except being arranged on counterweight element, also can be arranged on support oil cylinder, and perhaps a part is arranged on counterweight element, and another part is arranged on support oil cylinder, inserts energy locking in groove as long as can realize when the head of support oil cylinder.
Counterweight support leg liner plate 2, it keeps outside original support backing plate function, the more important thing is, it can be with supporting leg 10,11 interlocks, namely when supporting leg 10,11 does not have downward pressure, that is to say when supporting leg 10,11 support ground when unsettled, 2 of counterweight support leg liner plates have certain weight because of it, it has makes supporting leg 10,11 downward pulling force, and weight balance function is namely arranged, and keeps the stability of construction machinery and equipment.The weight of counterweight element 20 is for generally more than 100 kilograms or equal 100 kilograms.Counterweight support leg liner plate 2 is heavier, generally arranges by machinery counterweight support leg liner plate 2 is carried on supporting leg 10 before and after each, 11 times suitable Support Positions.If counterweight support leg liner plate 2 is low weight, can't play the counterweight effect, only have supporting role.
As shown in Figure 4, the second counterweight support leg liner plate that the utility model provides and different being of counterweight support leg liner plate shown in Figure 3, groove 24 is taper, the lower end of support oil cylinder 101 also is taper, coordinate corresponding with groove 24.
As shown in Figure 5, the 3rd counterweight support leg liner plate that the utility model provides and different being of counterweight support leg liner plate shown in Figure 3, the bottom surface of groove 24 is the plane, the lower end of support oil cylinder 101 is also the plane, coordinate corresponding with groove 24.
The disclosed counterweight support leg liner plate 2 of the utility model and concrete pump truck can be applied to other mechanical equipment, as hoisting crane.
The above is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (9)
1. counterweight support leg liner plate, it is characterized in that, comprise counterweight element (20), Locking Device, offer groove (24) on counterweight element (20), groove (24) is used for coordinating with the head of support oil cylinder (101), and when the head of support oil cylinder (101) inserted in groove (24), Locking Device was used for the head of support oil cylinder (101) is locked at groove (24), when the Locking Device release, the head of support oil cylinder (101) can be deviate from from groove (24).
2. counterweight support leg liner plate according to claim 1, it is characterized in that, Locking Device comprises at least one latch (21), counterweight element (20) is offered transverse holes, transverse holes communicates with groove (24), and latch (21) is installed in transverse holes and its first end can stretch in groove (24).
3. counterweight support leg liner plate according to claim 2, is characterized in that, Locking Device comprises two latches (21), and two latches (21) are arranged with the Central Symmetry of groove (24).
4. counterweight support leg liner plate according to claim 2, it is characterized in that, be set with retracing spring (22) on latch (21), retracing spring (22) is used for the first end of described latch (21) is stretched in groove (24), the first end of latch (21) is provided with the inclined-plane, when the head of support oil cylinder (101) inserts in groove (24), the head conflict inclined-plane of support oil cylinder (101) is retracted the first end of latch (21) in groove (24), when the head of support oil cylinder (101) inserts groove (24) when putting in place, the first end of latch (21) is resisted against the above-head of support oil cylinder (101) under effect at retracing spring (22).
5. counterweight support leg liner plate according to claim 4, is characterized in that, the second end of latch (21) is equipped with for the first end that drives latch (21) from the interior handle (23) of retracting of groove (24).
6. the described counterweight support leg liner plate of according to claim 1 to 5 any one, is characterized in that, the upper end of groove (24) is bell mouth shape.
7. root counterweight support leg liner plate according to claim 6, is characterized in that, the inner bottom surface of groove (24) is sphere or arc surface or the conical surface or plane.
8. the described counterweight support leg liner plate of according to claim 1 to 5 any one, is characterized in that, the weight of counterweight element (20) is more than 100 kilograms or equals 100 kilograms.
9. a construction machinery and equipment, is characterized in that, comprises counterweight support leg liner plate as described in claim 1 to 8 any one, and construction machinery and equipment is when operation, and the counterweight support leg liner plate is arranged on support leg for engineered machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220664092 CN203005392U (en) | 2012-12-05 | 2012-12-05 | Counter weight landing leg base plate and engineering machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220664092 CN203005392U (en) | 2012-12-05 | 2012-12-05 | Counter weight landing leg base plate and engineering machinery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203005392U true CN203005392U (en) | 2013-06-19 |
Family
ID=48597015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220664092 Expired - Lifetime CN203005392U (en) | 2012-12-05 | 2012-12-05 | Counter weight landing leg base plate and engineering machinery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203005392U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103043042A (en) * | 2012-12-05 | 2013-04-17 | 三一重工股份有限公司 | Balancing landing leg base plate and engineering machinery balancing method |
| CN111516652A (en) * | 2020-04-17 | 2020-08-11 | 中联重科股份有限公司 | Prepressing device, engineering machinery anti-overturning method and engineering machinery |
| CN111807233A (en) * | 2020-04-24 | 2020-10-23 | 国网内蒙古东部电力有限公司赤峰供电公司 | Assembled station is with hoist machine |
-
2012
- 2012-12-05 CN CN 201220664092 patent/CN203005392U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103043042A (en) * | 2012-12-05 | 2013-04-17 | 三一重工股份有限公司 | Balancing landing leg base plate and engineering machinery balancing method |
| CN111516652A (en) * | 2020-04-17 | 2020-08-11 | 中联重科股份有限公司 | Prepressing device, engineering machinery anti-overturning method and engineering machinery |
| CN111516652B (en) * | 2020-04-17 | 2022-03-29 | 中联重科股份有限公司 | Prepressing device, engineering machinery anti-overturning method and engineering machinery |
| CN111807233A (en) * | 2020-04-24 | 2020-10-23 | 国网内蒙古东部电力有限公司赤峰供电公司 | Assembled station is with hoist machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130619 |
|
| CX01 | Expiry of patent term |