CN204750125U - Telescopic leg subassembly and mobile concrete pump - Google Patents
Telescopic leg subassembly and mobile concrete pump Download PDFInfo
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- CN204750125U CN204750125U CN201520437580.0U CN201520437580U CN204750125U CN 204750125 U CN204750125 U CN 204750125U CN 201520437580 U CN201520437580 U CN 201520437580U CN 204750125 U CN204750125 U CN 204750125U
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- supporting leg
- chain
- sprocket
- telescopic outrigger
- outrigger assembly
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Abstract
The utility model discloses a telescopic leg subassembly and mobile concrete pump, this telescopic leg subassembly includes first landing leg, the second landing leg, landing leg slide and sprocket -type actuating mechanism, first landing leg and second landing leg slidable ground set up in the landing leg slide, sprocket -type actuating mechanism sets up between first landing leg and second landing leg, sprocket -type actuating mechanism includes drive sprocket, driven sprocket, first chain, second chain and drive arrangement, drive sprocket and driven sprocket set up the both ends at the landing leg slide respectively, drive arrangement links to each other with drive sprocket, first chain is connected on the second landing leg around back on drive sprocket, its first end, and the second end is connected on first landing leg, the second chain is connected on the second landing leg around back on driven sprocket, its first end, and the second end is connected on first landing leg, the utility model discloses a telescopic leg subassembly simple structure, the cost is lower and the flexible efficiency of landing leg is higher.
Description
Technical field
The utility model relates to support leg for engineered machine field, particularly a kind of telescopic outrigger assembly and concrete pump truck.
Background technology
At present, the construction machinery and equipment such as concrete pump truck, hoisting crane is widely applied to engineering construction field, and these construction machinery and equipments are generally all provided with multiple leg assembly, supports on the ground when its supporting leg is used for engineer machinery operation.Existing supporting leg is generally divided into two kinds of arrangement forms: oscillating type and telescopic, and wherein telescopic leg assembly is widely used on short arm rack concrete pump truck.
Usually, construction machinery and equipment such as two of short arm support pump truck rear support legs are telescopic leg, because these two rear support legs are general shorter, therefore preferably two rear support legs are arranged in same supporting leg slideway, and the action of two rear support legs is respectively driven by a set of sprocket-type driver train.There is following defect in existing telescopic leg assembly: first, and in a supporting leg slideway, will arrange two cover sprocket-type driver trains, not only complex structure, cost is higher simultaneously, is also difficult to assembling; In addition, two rear support legs are driven by different sprocket-type driver trains respectively, and be difficult to the synchronism ensureing that rear support leg is flexible, therefore operational motion is many, and the rear support leg efficiency comparison that stretches is low.
Therefore, how to develop that a kind of structure is simple, cost is lower and the telescopic leg assembly that landing leg stretching efficiency is higher is those skilled in the art's urgent problems.
Utility model content
In order to solve the problem, the utility model proposes a kind of telescopic leg assembly; On this basis, the utility model also proposed a kind of concrete pump truck being provided with this telescopic leg assembly.
On the one hand, the utility model provides a kind of telescopic outrigger assembly, comprise supporting leg, supporting leg slideway and sprocket-type driver train, described supporting leg comprises the first supporting leg and the second supporting leg, described first supporting leg and the second supporting leg are slidably disposed in supporting leg slideway, and described sprocket-type driver train is arranged between the first supporting leg and the second supporting leg; Described sprocket-type driver train comprises drive sprocket, driven sprocket, the first chain, the second chain and actuating device, and described drive sprocket and driven sprocket are separately positioned on the two ends of supporting leg slideway, and described actuating device is connected with drive sprocket; Described first chain on drive sprocket after, its first end is connected on the second supporting leg, and the second end is connected on the first supporting leg; Described second chain on driven sprocket after, its first end is connected on the second supporting leg, and the second end is connected on the first supporting leg;
The plane at the rotation centerline place of setting drive sprocket and driven sprocket is P, the first end of described first chain and the first end of the second chain are positioned at the first side of plane P, and the second end of described first chain and the second end of the second chain are positioned at the second side of plane P.
In further technical scheme, described drive sprocket, driven sprocket and actuating device are arranged on the sidewall of supporting leg slideway.
In further technical scheme, described drive element is HM Hydraulic Motor or electrical motor.
In further technical scheme, the end of described first chain and the second chain one of is at least fixedly linked by coupling assembling and supporting leg.
In further technical scheme, described coupling assembling comprises fixation kit and adjusting part, and the two ends of described first chain are respectively connected with a fixation kit, and the two ends of described second chain are respectively connected with an adjusting part.
In further technical scheme, described fixation kit comprises bearing pin, joint and the first oscillating bearing, one end of described joint is fixedly connected on the end of the first chain, the other end of joint and the first end of the first oscillating bearing are by hinge, and the second end of described first oscillating bearing is fixedly connected on supporting leg.
In further technical scheme, described supporting leg is provided with the first fixed block at the position that fixation kit connects, described first fixed block has the first connecting bore, described fixation kit also comprises second joint bearing, second end of described first oscillating bearing is also connected with the adapter shaft through described first connecting bore, and described second joint bearing carrier ring is located at the free end of adapter shaft.
In further technical scheme, described adjusting part comprises connecting screw rod and setting nut, described supporting leg is provided with the second fixed block, described second fixed block has the second connecting bore, one end of described connecting screw rod is connected with the second chain, the other end is through described second connecting bore, and setting nut is screwed onto the end of connecting screw rod through the second connecting bore.
A kind of telescopic outrigger assembly that the utility model proposes, compared with prior art, only drives two supporting legs to move in supporting leg slideway by a set of sprocket-type driver train, enormously simplify structure, and the first chain and the second chain can realize interlock, well ensure that the synchronism of landing leg stretching; In addition, only have an actuating device in sprocket-type driver train, therefore operate fairly simple, landing leg stretching efficiency is also higher.
On the other hand, the utility model also proposed a kind of concrete pump truck, is provided with any one telescopic outrigger assembly above-mentioned.
Accompanying drawing explanation
The accompanying drawing forming a part of the present utility model is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the plan structure schematic diagram of telescopic outrigger assembly in the utility model specific embodiment;
Fig. 2 is the structural representation of the wheeled driver train of the utility model specific embodiment medium chain;
Fig. 3 is the coupled condition figure of the wheeled driver train of the utility model specific embodiment medium chain and supporting leg;
Fig. 4 is the structural representation of fixation kit and adjusting part in the utility model specific embodiment.
Detailed description of the invention
It should be noted that, when not conflicting, the embodiment in the utility model and the feature in embodiment can combine mutually.1-4 also describes the utility model in detail in conjunction with the embodiments below with reference to the accompanying drawings.
The utility model specific embodiment provides a kind of telescopic outrigger assembly, as shown in figs. 1 and 3, comprise the first supporting leg 1, second supporting leg 4, supporting leg slideway 3 and sprocket-type driver train 2, first supporting leg 1 and the second supporting leg 4 are slidably disposed in supporting leg slideway 3, sprocket-type driver train 2 is arranged between the first supporting leg 1 and the second supporting leg 4, for driving supporting leg telescopic moving in supporting leg slideway 3.
As shown in Figure 2, particularly, sprocket-type driver train 2 comprises drive sprocket 21, driven sprocket 25, first chain 22, second chain 26 and actuating device, drive sprocket 21 and driven sprocket 25 are separately positioned on the two ends of supporting leg slideway 3, actuating device is connected with drive sprocket 21, and drive sprocket 21, driven sprocket 25 and actuating device are specifically arranged on the sidewall of supporting leg slideway 3; First chain 22 on drive sprocket 21 after, its first end is connected on the second supporting leg 4, and the second end is connected on the first supporting leg 1; Second chain 26 on driven sprocket 25 after, its first end is connected on the second supporting leg 4, and the second end is connected on the first supporting leg 1; First supporting leg 1 and drive sprocket 21 are located on the left end direction of supporting leg slideway 3, and the second supporting leg 4 and driven sprocket 25 are located on the right-hand member direction of supporting leg slideway 3.The plane at the rotation centerline place of setting drive sprocket 21 and driven sprocket 25 is P, the first end of the first chain 22 and the first end of the second chain 26 are positioned at the top of plane P, and the second end of the first chain 22 and the second end of the second chain 26 are positioned at the below of plane P.
For the ease of the connection of chain and supporting leg, the end of the first chain 22 and the second chain 26 one of is at least fixedly linked by coupling assembling and supporting leg, preferably, coupling assembling comprises fixation kit 23 and adjusting part 24, the two ends of the first chain 22 are respectively connected with a fixation kit 23, the two ends of the second chain 26 are respectively connected with an adjusting part 24, and the type of attachment of the chain ends above and below plane P is identical, is described in detail below with the connection above plane P.
As shown in Figures 2 and 4, the first end of the first chain 22 is connected with fixation kit 23, and the first end of the second chain 26 is connected with adjusting part 24, and fixation kit 23 and adjusting part 24 are oppositely arranged.Particularly, fixation kit 23 comprises bearing pin 234, joint 231 and the first oscillating bearing 232, the left end of joint 231 is fixedly connected on the end of the first chain 22, it is hinged that the right-hand member of joint 231 and the left end of the first oscillating bearing 232 pass through bearing pin 234, and the right-hand member end of the first oscillating bearing 232 is fixedly connected on supporting leg; Preferably, supporting leg is provided with the first fixed block 5 at the position that fixation kit 23 connects, first fixed block 5 has the first connecting bore (not shown), and, fixation kit 23 also comprises second joint bearing 233, the right-hand member of the first oscillating bearing 232 is also connected with the adapter shaft 235 through the first connecting bore, and second joint bearing 233 is set in the right-hand member of adapter shaft 235.Adjusting part 24 comprises connecting screw rod 241 and setting nut 242, supporting leg is provided with the second fixed block 6, second fixed block 6 and the first fixed block 5 are oppositely arranged, second fixed block 6 has the second connecting bore (not shown), the right-hand member of connecting screw rod 241 is connected with the second chain 26, left end is left through the second connecting bore, and setting nut 242 is screwed onto the left end of connecting screw rod 241.Such structure had both been conducive to the installation of chain, also made chain run more steady, was convenient to the adjustment of chain tension.
It should be noted that, above-mentioned actuating device can be HM Hydraulic Motor 27 or electrical motor; In addition, the fixation kit 23 that first chain 22 and the second chain 26 two ends are connected with and adjusting part 24, can also be that the two ends that the two ends of the first chain 22 are connected with fixation kit 23 and adjusting part 24, second chain 26 respectively are also connected with fixation kit 23 and adjusting part 24 respectively; Or in four ends of the first chain 22 and the second chain 26, have an end to be connected with adjusting part 24, other three ends are connected with fixation kit 23.
When HM Hydraulic Motor 27 drives drive sprocket 21 left-hand revolution, drive the second supporting leg 4 to draw in by the first chain 22, and then drive the first supporting leg 1 to draw in by the second chain 26, final left and right two supporting legs that realize synchronously draw in; When HM Hydraulic Motor 27 drives drive sprocket 21 clickwise, drive the first supporting leg 1 to stretch out by the first chain 22, and then drive the second supporting leg 4 to stretch out by the second chain 26, final left and right two supporting legs that realize synchronously stretch out.
Telescopic outrigger assembly of the present utility model has the following advantages: only arrange a set of sprocket-type driver train 2 in supporting leg slideway 3, only needs an actuating device, simplifies the structure of telescopic outrigger assembly, reduce cost; Drive left and right supporting leg by a set of sprocket-type driver train 2, realize supporting leg synchronization action, simplify the operation action, improves efficiency.
The utility model specific embodiment additionally provides a kind of concrete pump truck, and be provided with any one telescopic outrigger assembly above-mentioned, obviously, this concrete pump truck also has above-mentioned beneficial effect, does not repeat them here.
The foregoing 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 amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (9)
1. a telescopic outrigger assembly, comprise supporting leg, supporting leg slideway (3) and sprocket-type driver train (2), described supporting leg comprises the first supporting leg (1) and the second supporting leg (4), described first supporting leg (1) and the second supporting leg (4) are slidably disposed in supporting leg slideway (3), it is characterized in that
Described sprocket-type driver train (2) comprises drive sprocket (21), driven sprocket (25), the first chain (22), the second chain (26) and actuating device, described drive sprocket (21) and driven sprocket (25) are separately positioned on the two ends of supporting leg slideway (3), and described actuating device is connected with drive sprocket (21); After described first chain (22) is upper around drive sprocket (21), its first end is connected on the second supporting leg (4), and the second end is connected on the first supporting leg (1); After described second chain (26) is upper around driven sprocket (25), its first end is connected on the second supporting leg (4), and the second end is connected on the first supporting leg (1);
The plane at the rotation centerline place of setting drive sprocket (21) and driven sprocket (25) is P, the first end of described first chain (22) and the first end of the second chain (26) are positioned at the first side of plane P, and the second end of described first chain (22) and the second end of the second chain (26) are positioned at the second side of plane P.
2. telescopic outrigger assembly according to claim 1, is characterized in that, described drive sprocket (21), driven sprocket (25) and actuating device are arranged on the sidewall of supporting leg slideway (3).
3. telescopic outrigger assembly according to claim 2, is characterized in that, described drive element is HM Hydraulic Motor (27) or electrical motor.
4. telescopic outrigger assembly according to claim 1, is characterized in that, the end of described first chain (22) and the second chain (26) one of is at least fixedly linked by coupling assembling and supporting leg.
5. telescopic outrigger assembly according to claim 4, it is characterized in that, described coupling assembling comprises fixation kit (23) and adjusting part (24), the two ends of described first chain (22) are respectively connected with a fixation kit (23), and the two ends of described second chain (26) are respectively connected with an adjusting part (24).
6. telescopic outrigger assembly according to claim 5, it is characterized in that, described fixation kit (23) comprises bearing pin (234), joint (231) and the first oscillating bearing (232), one end of described joint (231) is fixedly connected on the end of the first chain (22), it is hinged that the other end of joint (231) and the first end of the first oscillating bearing (232) pass through bearing pin (234), and the second end of described first oscillating bearing (232) is fixedly connected on supporting leg.
7. telescopic outrigger assembly according to claim 6, it is characterized in that, described supporting leg is provided with the first fixed block (5) at the position that fixation kit (23) connects, described first fixed block (5) has the first connecting bore, described fixation kit (23) also comprises second joint bearing (233), second end of described first oscillating bearing (232) is also connected with the adapter shaft (235) through described first connecting bore, and described second joint bearing (233) is set in the free end of adapter shaft (235).
8. the telescopic outrigger assembly according to any one of claim 5-7, it is characterized in that, described adjusting part (24) comprises connecting screw rod (241) and setting nut (242), described supporting leg is provided with the second fixed block (6), described second fixed block (6) has the second connecting bore, one end of described connecting screw rod (241) is connected with the second chain (26), the other end is through described second connecting bore, and setting nut (242) is screwed onto the end of connecting screw rod (241) through the second connecting bore.
9. a concrete pump truck, is characterized in that, is provided with the telescopic outrigger assembly described in claim 1-8 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520437580.0U CN204750125U (en) | 2015-06-24 | 2015-06-24 | Telescopic leg subassembly and mobile concrete pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520437580.0U CN204750125U (en) | 2015-06-24 | 2015-06-24 | Telescopic leg subassembly and mobile concrete pump |
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| Publication Number | Publication Date |
|---|---|
| CN204750125U true CN204750125U (en) | 2015-11-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520437580.0U Active CN204750125U (en) | 2015-06-24 | 2015-06-24 | Telescopic leg subassembly and mobile concrete pump |
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| CN (1) | CN204750125U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112374366A (en) * | 2020-11-12 | 2021-02-19 | 湖南响箭重工科技股份有限公司 | Hoisting system for assembling concrete pump truck supporting leg system and hoisting method thereof |
-
2015
- 2015-06-24 CN CN201520437580.0U patent/CN204750125U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112374366A (en) * | 2020-11-12 | 2021-02-19 | 湖南响箭重工科技股份有限公司 | Hoisting system for assembling concrete pump truck supporting leg system and hoisting method thereof |
| CN112374366B (en) * | 2020-11-12 | 2023-02-28 | 湖南响箭重工科技股份有限公司 | Hoisting system for assembling concrete pump truck supporting leg system and hoisting method thereof |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |