CN220955535U - Lifting counterweight bracket - Google Patents
Lifting counterweight bracket Download PDFInfo
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- CN220955535U CN220955535U CN202322634104.5U CN202322634104U CN220955535U CN 220955535 U CN220955535 U CN 220955535U CN 202322634104 U CN202322634104 U CN 202322634104U CN 220955535 U CN220955535 U CN 220955535U
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- counterweight
- telescopic
- tray
- oil cylinder
- cylinder
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- 229910000831 Steel Inorganic materials 0.000 claims description 14
- 239000010959 steel Substances 0.000 claims description 14
- 238000003466 welding Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 8
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 9
- 238000010276 construction Methods 0.000 description 8
- 238000005553 drilling Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of engineering machinery and discloses a lifting counterweight bracket which comprises a counterweight tray and a telescopic oil cylinder; the cylinder body of the telescopic cylinder is connected with the tail part of a rotary platform of the engineering machinery, and the lower end of a piston rod of the telescopic cylinder is connected with a counterweight tray; when the telescopic oil cylinder stretches, the counterweight tray is transported to the ground, so that the counterweight is convenient to place; after the balance weight is placed, the balance weight tray is lifted to a preset position through the retraction of the telescopic oil cylinder. The beneficial effects of the utility model are as follows: the lifting type pallet structure is adopted, so that counterweight installation can be completed on the ground, a crane is not required to be used, a forklift is not required, operation safety is guaranteed, and equipment cost is reduced.
Description
Technical Field
The utility model relates to the technical field of engineering machinery, in particular to a lifting counterweight bracket.
Background
The rotary drilling rig is common foundation construction equipment for cast-in-place pile operation, is used in the construction fields of house construction, high-speed rail construction, bridge construction and the like, and has the advantages of high construction efficiency, high pore-forming speed and the like. Due to the influences of the structure and the working property of the rotary drilling rig, a weight with certain mass is required to be matched to ensure that the whole machine can maintain balance during working.
However, on-site counterweight installation requires the assistance of large equipment such as a crane, and the counterweight construction site installation operation is more than 3 meters away from the ground, so that the operation is inconvenient, the danger is high, the auxiliary equipment cost is high, and the drilling machine is difficult to assemble.
Disclosure of utility model
Aiming at the defects of the prior art, the utility model provides the lifting counterweight bracket which can conveniently, safely and cheaply finish the installation of the counterweight through the lifting counterweight bracket.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
A lifting counterweight bracket comprises a counterweight tray and a telescopic cylinder; the cylinder body of the telescopic cylinder is connected with the tail part of a rotary platform of the engineering machinery, and the lower end of a piston rod of the telescopic cylinder is connected with a counterweight tray; when the telescopic oil cylinder stretches, the counterweight tray is transported to the ground, so that the counterweight is convenient to place; after the balance weight is placed, the balance weight tray is lifted to a preset position through the retraction of the telescopic oil cylinder.
Further, a vertical plate is arranged on the counterweight tray, and the lower part of the vertical plate is connected with the counterweight tray; the lower end of the telescopic rod of the telescopic oil cylinder is connected with the counterweight tray through the vertical plate.
Further, the counterweight bracket further comprises a set of oil cylinder pin shafts and pin shaft baffles, wherein 2 pin shaft baffles are arranged in one set of oil cylinder pin shafts and pin shaft baffles, two ends of the oil cylinder pin shafts are respectively arranged on one pin shaft baffle, and the pin shaft baffles are used for limiting the movement of the oil cylinder pin shafts; the side surface of the cylinder body of the telescopic cylinder is provided with a pin baffle, and the telescopic cylinder is connected with a main platform side plate of the rotary platform through the pin baffle and a cylinder pin.
Further, 2 sets of cylinder pin shafts and pin shaft baffles are arranged on the side face of the cylinder body of the telescopic cylinder, so that the telescopic cylinder is more firmly connected with the side plate of the main platform.
Further, at least 2 telescopic cylinders are arranged in a central symmetry mode and are respectively connected with a main platform right side plate and a main platform left side plate of the rotary platform through pin shaft baffles and cylinder pin shafts.
Further, the number of the telescopic cylinders is 4, the number of the vertical plates is 2, and the front end and the rear end of one vertical plate are respectively connected with one telescopic cylinder.
Further, the vertical plate comprises 2 side plates which are arranged in parallel, oil cylinder connecting holes are symmetrically formed in the 2 side plates, and the lower end of a telescopic rod of the telescopic oil cylinder is connected with the 2 side plates through an oil cylinder pin shaft and a pin shaft baffle which are arranged in a complete set.
Further, the vertical plate is of a U-shaped structure, and the U-shaped bottom of the vertical plate is connected with the counterweight tray through bolts or through welding.
Further, the counterweight bracket further comprises a steel wire rope, one end of the steel wire rope is connected with the main platform side plate of the rotary platform, the other end of the steel wire rope is connected with the far end of the counterweight tray, and the counterweight tray can be ensured to be stable and reliable through the arrangement of the steel wire rope.
Preferably, the steel wire ropes have 4 wires, and are respectively connected with 4 corners of the counterweight tray.
Further, upper convex parts and oil cylinder connecting parts are arranged on the 2 side plates, and the upper convex parts are higher than the oil cylinder connecting parts; the oil cylinder connecting hole is positioned on the oil cylinder connecting part; the upper part of the upper protruding part is provided with a platform connecting hole, the lower part of a main platform side plate of the rotary platform is provided with a tray connecting hole, and when the counterweight tray is lifted by the oil cylinder, the vertical plate is fixedly connected with the rotary platform through the platform connecting hole and the tray connecting hole.
Because the counter weight is heavier, if because flexible hydro-cylinder atress can have influence to the hydro-cylinder is sealed always, so set up platform connecting hole and the tray connecting hole that match the setting, the rethread connecting piece such as bolt carries out fixed connection to reach machinery spacing, guarantee that the counter weight tray is stable, avoid flexible hydro-cylinder direct atress.
Compared with the prior art, the utility model provides the lifting counterweight bracket, which has the following beneficial effects:
(1) The counterweight bracket adopts a lifting type pallet structure, so that counterweight installation can be completed on the ground, a crane is not required, a forklift is not required, operation safety is ensured, and equipment cost is reduced.
(2) The counterweight support adopts the form of the tray, the counterweight trays are connected by the telescopic oil cylinder, and the counterweight trays are conveyed to the ground by the extension of the telescopic oil cylinder, so that the counterweight is convenient to be used.
(3) After the counterweight tray is lifted by the telescopic oil cylinder, the connecting holes and the connecting pieces are adopted for reinforcement, so that the counterweight tray is ensured to be stable, the telescopic oil cylinder is prevented from being directly stressed, and meanwhile, the steel wire rope can ensure that the tray is stable and reliable.
Drawings
FIG. 1 is a schematic view of the floor installation of a weight bracket of the present utility model;
FIG. 2 is a schematic perspective view of the floor mounted counterweight bracket of FIG. 1;
FIG. 3 is a schematic perspective view of the weight carrier of the present utility model after installation;
Fig. 4 is a schematic view of a part of the construction of the counterweight bracket of the utility model after installation (for showing the connection relationship between the baffle and the rotating platform).
The meaning of the reference numerals in the figures is:
The device comprises a 1-chassis, a 2-rotary platform, a 21-tray connecting hole, a 3-counterweight, a 4-telescopic oil cylinder, a 5-counterweight tray, a 51-vertical plate, a 511-platform connecting hole, a 6-oil cylinder pin shaft, a 7-pin shaft baffle plate and an 8-steel wire rope.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present utility model unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of exemplary embodiments may also include different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.
In the description of the present utility model, it should be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the protection of the present utility model.
Example 1
As shown in fig. 1 and 2, the counterweight 3 bracket of the utility model comprises a counterweight tray 5 and a telescopic cylinder 4; the cylinder body of the telescopic cylinder 4 is connected with the tail part of the rotary platform 2 of the engineering machinery, and the lower end of a piston rod of the telescopic cylinder is connected with the counterweight tray 5; when the telescopic oil cylinder 4 stretches, the counterweight tray 5 is transported to the ground, so that the counterweight 3 can be conveniently placed; when the placement of the counterweight 3 is completed, the counterweight tray 5 is lifted to a preset position by the retraction of the telescopic cylinder 4.
In a specific implementation manner of the embodiment, the bracket of the counterweight 3 further comprises a set of oil cylinder pin shafts 6 and pin shaft baffles 7, wherein 2 pin shaft baffles 7 are arranged in the set of oil cylinder pin shafts 6 and pin shaft baffles 7, two ends of the oil cylinder pin shafts 6 are respectively placed on one pin shaft baffle 7, and the pin shaft baffles 7 are used for limiting the movement of the oil cylinder pin shafts 6; the side surface of the cylinder body of the telescopic cylinder 4 is provided with a pin baffle 7, and the telescopic cylinder 4 is connected with a main platform side plate of the rotary platform 2 through the pin baffle 7 and a cylinder pin 6.
Preferably, 2 sets of cylinder pin shafts 6 and pin shaft baffles 7 are arranged on the side face of the cylinder body of the telescopic cylinder 4, so that the connection with the side plate of the main platform is firmer.
In a specific implementation manner of this embodiment, at least 2 telescopic cylinders 4 are arranged in a central symmetry manner, and are respectively connected with a main platform right side plate and a main platform left side plate of the rotary platform 2 through pin shaft baffles 7 and cylinder pin shafts 6.
Preferably, there are 4 telescopic cylinders 4, 2 vertical plates 51, and the front and rear ends of one vertical plate 51 are respectively connected with one telescopic cylinder 4.
In a specific implementation manner of this embodiment, a vertical plate 51 is provided on the counterweight tray 5, and a lower portion of the vertical plate 51 is connected to the counterweight tray 5; the lower end of the telescopic rod of the telescopic cylinder 4 is connected with the counterweight tray 5 through a vertical plate 51. The vertical plate 51 comprises 2 side plates which are arranged in parallel, oil cylinder connecting holes are symmetrically formed in the 2 side plates, and the lower end of a telescopic rod of the telescopic oil cylinder 4 is connected with the 2 side plates through an oil cylinder pin shaft 6 and a pin shaft baffle 7 which are arranged in a complete set.
Preferably, the vertical plate 51 has a U-shaped structure, and the U-shaped bottom is connected to the weight tray 5 by bolts or by welding.
Example 2
Example 2 differs from example 1 in that: to increase the stability and reliability of the weight tray 5, the weight tray in embodiment 2 further includes a wire rope 8, specifically connected as follows:
As shown in fig. 4, one end of the steel wire rope 8 is connected with the main platform side plate of the rotary platform 2, the other end is connected with the far end of the counterweight tray 5, and the counterweight tray 5 can be ensured to be stable and reliable through the arrangement of the steel wire rope 8. Preferably, the number of the wire ropes 8 is 4, and the wire ropes are respectively connected with the 4 corners of the weight tray 5.
Example 3
Example 3 differs from example 2 in that: the counterweight bracket in embodiment 2 is provided with a platform connection hole 511 on the vertical plate 51 and a tray connection hole 21 on the rotary platform 2, so that the counterweight tray 5 and the rotary platform 2 are fixed together through a pin shaft or a bolt after the counterweight 3 is installed, the rotary platform 2 is used for bearing, the counterweight tray 5 is ensured to be stable, and the telescopic oil cylinder 4 is prevented from being directly stressed, and the specific structure is as follows.
As shown in fig. 2 to 4, upper protrusions and cylinder connecting portions are provided on 2 side plates of the vertical plate 51, the upper protrusions being higher than the cylinder connecting portions; the oil cylinder connecting part is positioned on the oil cylinder connecting hole; the upper portion of the upper protruding portion is provided with a platform connecting hole 511, the lower portion of a main platform side plate of the rotary platform 2 is provided with a tray connecting hole 21, when the counterweight tray 5 is lifted through the telescopic oil cylinder 4, the vertical plate 511 is fixedly connected with the rotary platform 2 through a pin shaft/bolt, the platform connecting hole 511 and the tray connecting hole 21, stability of the counterweight tray 5 is guaranteed, and direct stress of the telescopic oil cylinder 4 is avoided.
The counterweight tray of the utility model descends and installs the counterweight as follows:
as shown in fig. 1 and 2, a rotary platform 2 is mounted on a chassis 1, and one end of a telescopic oil cylinder 4 is fixed on the rotary platform 2 through an oil cylinder pin shaft 6 and a pin shaft baffle 7; the counterweight tray 5 is fixed at the other end of the telescopic oil cylinder 4 through a vertical plate 51, an oil cylinder pin shaft 6 of the vertical plate 51 and a pin shaft baffle 7.
Through the extension of adjusting flexible hydro-cylinder 4, counterweight tray 5 falls to ground, places counterweight 3 on counterweight tray 5 fixedly through fork truck, be provided with screw hole and the double-screw bolt with counterweight 3 threaded connection on the counterweight tray 5.
The process of lifting the counterweight is as follows:
As shown in fig. 3 and 4, the telescopic oil cylinder 4 is retracted, the counterweight tray 5 is lifted, the counterweight tray 5 and the rotary platform 2 are fixed through the platform connecting hole 511 on the vertical plate 51 and the tray connecting hole 21 on the rotary platform 2, and finally, the far end of the counterweight tray 5 and the rotary platform 2 are connected by 4 steel wire ropes 8, so that the whole is ensured to be stable, and the assembly is completed.
The working principle of the utility model is as follows: four telescopic cylinders 4 are installed on the engineering machinery body (such as a rotary drilling rig body), a counterweight tray 5 is connected below the telescopic cylinders 4, the counterweight tray 5 is conveyed to the ground through the telescopic cylinders 4, a counterweight is placed on the counterweight tray 5 through a forklift, then the counterweight tray 5 is lifted to a working state, a pin shaft or a bolt is inserted into a tray connecting hole 21 and a platform connecting hole 511 for fixing, and finally the far end of the counterweight tray 5 is connected with the engineering machinery body (such as the rotary drilling rig body) through a steel wire rope 8.
It is noted that in the present application, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. A lifting counterweight bracket, characterized in that: comprises a counterweight tray and a telescopic oil cylinder; the cylinder body of the telescopic cylinder is connected with the tail part of a rotary platform of the engineering machinery, and the lower end of a piston rod of the telescopic cylinder is connected with a counterweight tray; when the telescopic oil cylinder stretches, the counterweight tray is transported to the ground, so that the counterweight is convenient to place; after the balance weight is placed, the balance weight tray is lifted to a preset position through the retraction of the telescopic oil cylinder.
2. A lifting counterweight bracket according to claim 1 and wherein: a vertical plate is arranged on the counterweight tray, and the lower part of the vertical plate is connected with the counterweight tray; the lower end of the telescopic rod of the telescopic oil cylinder is connected with the counterweight tray through the vertical plate.
3. A lifting counterweight bracket according to claim 2 and wherein: the device also comprises a set of oil cylinder pin shafts and pin shaft baffles; the side surface of the cylinder body of the telescopic cylinder is provided with a pin baffle, and the telescopic cylinder is connected with a main platform side plate of the rotary platform through the pin baffle and a cylinder pin.
4. A lifting counterweight bracket according to claim 3 and wherein: the number of the telescopic cylinders is at least 2, the telescopic cylinders are arranged in a central symmetry mode, and the telescopic cylinders are respectively connected with a main platform right side plate and a main platform left side plate of the rotary platform through pin shaft baffles and cylinder pin shafts.
5. A lifting counterweight bracket according to claim 4 and wherein: the number of the telescopic cylinders is 4, the number of the vertical plates is 2, and the front end and the rear end of one vertical plate are respectively connected with one telescopic cylinder.
6. A lifting counterweight bracket according to claim 5 and wherein: the vertical plate comprises 2 side plates which are arranged in parallel, oil cylinder connecting holes are symmetrically formed in the 2 side plates, and the lower end of a telescopic rod of the telescopic oil cylinder is connected with the 2 side plates through an oil cylinder pin shaft and a pin shaft baffle which are arranged in a complete set.
7. A lifting counterweight bracket according to claim 6 and wherein: the vertical plate is of a U-shaped structure, and the U-shaped bottom of the vertical plate is connected with the counterweight tray through bolts or through welding.
8. A lifting counterweight bracket according to claim 1 and wherein: the counterweight device further comprises a steel wire rope, one end of the steel wire rope is connected with a main platform side plate of the rotary platform, and the other end of the steel wire rope is connected with the far end of the counterweight tray.
9. A lifting counterweight bracket according to claim 6 and wherein: the 2 side plates are provided with upper convex parts and oil cylinder connecting parts, and the upper convex parts are higher than the oil cylinder connecting parts; the oil cylinder connecting hole is positioned on the oil cylinder connecting part; the upper part of the upper protruding part is provided with a platform connecting hole, the lower part of a main platform side plate of the rotary platform is provided with a tray connecting hole, and when the counterweight tray is lifted by the oil cylinder, the vertical plate is fixedly connected with the rotary platform through the platform connecting hole and the tray connecting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322634104.5U CN220955535U (en) | 2023-09-27 | 2023-09-27 | Lifting counterweight bracket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322634104.5U CN220955535U (en) | 2023-09-27 | 2023-09-27 | Lifting counterweight bracket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220955535U true CN220955535U (en) | 2024-05-14 |
Family
ID=91016701
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322634104.5U Active CN220955535U (en) | 2023-09-27 | 2023-09-27 | Lifting counterweight bracket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220955535U (en) |
-
2023
- 2023-09-27 CN CN202322634104.5U patent/CN220955535U/en active Active
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