CN214031468U - Main platform of crawler crane - Google Patents
Main platform of crawler crane Download PDFInfo
- Publication number
- CN214031468U CN214031468U CN202023152287.XU CN202023152287U CN214031468U CN 214031468 U CN214031468 U CN 214031468U CN 202023152287 U CN202023152287 U CN 202023152287U CN 214031468 U CN214031468 U CN 214031468U
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- fixedly connected
- main platform
- base
- fluted disc
- crawler crane
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Abstract
The utility model discloses a crawler crane hoist main platform, including two athey wheels, fixedly connected with base between the athey wheel, the top swing joint of base has the fluted disc, one side fixedly connected with support of base, one side inner wall fixedly connected with motor of support, the one end fixedly connected with gear of motor output shaft, and the gear meshes with the fluted disc mutually, two second telescopic links of both sides fixedly connected with of base, the fixedly connected with sleeve pipe between the second telescopic link. The utility model discloses not only can make the chassis support ground through starting first pneumatic cylinder, improve the stability of hoist main platform, can rotate through the fluted disc moreover and drive hoisting mechanism and rotate to hang the object of different positions and get, improve the efficiency of jack-up work, can also make hoist main platform and object weight keep balance through the balancing weight, avoid the hoist to rock, strengthened the security that the hoist used.
Description
Technical Field
The utility model relates to a hoist technical field especially relates to a crawler crane hoist main platform.
Background
The main platform of the crawler crane is a key part of the crane, and the whole structure of the main platform is a welding part and is connected with a walking device through a slewing bearing. The load of the operation device comprises the load on the main platform and is transferred to the slewing bearing through the main platform, the slewing bearing is transferred to the walking device, and the load is transferred to the ground through the track shoe.
Therefore, the main platform is a stressed part and a force transmission part, the use performance and the safety of the whole crawler crane are directly influenced whether the structure of the main platform is reasonable or not, and the stability of the main platform of the crawler crane in the current market in the lifting working condition is not enough, so that certain potential safety hazards exist, and the novel crawler crane is very necessary.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a main platform of a crawler crane.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a crawler crane main platform, includes two athey wheels, fixedly connected with base between the athey wheel, the top swing joint of base has the fluted disc, one side fixedly connected with support of base, one side inner wall fixedly connected with motor of support, the one end fixedly connected with gear of motor output shaft, and the gear meshes with the fluted disc mutually, two second telescopic links of both sides fixedly connected with of base, fixedly connected with sleeve pipe between the second telescopic link, it has the inserted bar to peg graft at the sheathed tube both ends, a plurality of pinholes have all been seted up to one side of sleeve pipe, inserted bar and second telescopic link, are equipped with the pulling pin in the pinhole, the first pneumatic cylinder of sheathed tube both ends fixedly connected with, the one end fixedly connected with pneumatic cylinder chassis of first hydraulic stem, the top of fluted disc is equipped with hoisting mechanism.
Furthermore, hoisting mechanism includes the mounting bracket, and one side fixedly connected with second pneumatic cylinder of mounting bracket, the top swing joint of mounting bracket has the davit, and the one end and the davit of second pneumatic cylinder hydraulic stem are fixed mutually.
Further, the top of mounting bracket fixedly connected with balancing weight.
Furthermore, one end of the suspension arm is fixedly connected with a fixed seat, and one side of the fixed seat is movably connected with a wire wheel.
Further, the bottom fixedly connected with dust cover of base, and the dust cover is located the below of motor.
Furthermore, both ends of the sleeve are fixedly connected with reinforcing ribs, and one side of each reinforcing rib is fixed with the second telescopic rod.
The utility model has the advantages that:
1. the cooperation through first pneumatic cylinder and chassis is used, when starting first pneumatic cylinder, can stretch out and draw back the one end of the pneumatic rod of first pneumatic cylinder to make the chassis support ground, improved the stability of hoist main platform.
2. Through the cooperation use of gear and fluted disc, can drive the fluted disc when gear revolve and rotate to can drive hoisting mechanism and rotate, conveniently hang and get different position heavy object, improve the efficiency of jack-up work.
3. Through the setting of installing the balancing weight on the mount frame, when the staff is hanging and is getting the heavy object often, the balancing weight can make hoist main platform and object weight keep balance, avoids hoist main platform to rock, strengthens the security that the hoist used.
Drawings
Fig. 1 is a schematic perspective view of a main platform of a crawler crane according to the present invention;
fig. 2 is a schematic structural view of a power mechanism of a main platform of a crawler crane provided by the present invention;
fig. 3 is the utility model provides a supporting mechanism structure sketch map of crawler crane main platform.
In the figure: 1. a mounting frame; 2. a balancing weight; 3. a sleeve; 4. a first hydraulic cylinder; 5. a chassis; 6. a crawler wheel; 7. a fluted disc; 8. a second telescopic rod; 9. reinforcing ribs; 10. a second hydraulic cylinder; 11. a wire wheel; 12. a suspension arm; 13. a gear; 14. a motor; 15. a dust cover; 16. a support; 17. a base; 18. a pull pin 19 and an insert rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. It should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and their meaning in the context of this patent may be understood by those skilled in the art as appropriate.
Referring to fig. 1-3, a crawler crane main platform comprises two crawler wheels 6, a base 17 is fixed between the crawler wheels 6 through bolts, a fluted disc 7 is rotatably connected to the top of the base 17, a support 16 is fixed to one side of the base 17 through bolts, a motor 14 is fixed to one inner wall of the support 16 through bolts, a gear 13 is connected to one end of an output shaft of the motor 14, the gear 13 is meshed with the fluted disc 7, when the motor 14 is started, one end of the output shaft of the motor 14 drives the gear 13 to rotate, the gear 13 rotates to push the fluted disc 7 to rotate, two second telescopic rods 8 are fixed to two sides of the base 17 through bolts, a sleeve 3 is fixed between the second telescopic rods 8 through bolts, inserting rods 19 are inserted into two ends of the sleeve 3, when the second telescopic rods 8 are started, the second telescopic rods 8 can be extended and retracted, the inserting rods 19 can be extended and retracted in the sleeve 3, sleeve pipe 3, a plurality of pinholes have all been seted up to one side of inserted bar 19 and second telescopic link 8, be equipped with in the pinhole and draw round pin 18, draw round pin 18 can make sleeve pipe 3 and inserted bar 19 fixed mutually, prevent that inserted bar 19 from sliding in sleeve pipe 3, the one end that also can make second telescopic link 8 is more firm, there is first pneumatic cylinder 4 at sleeve pipe 3's both ends through the bolt fastening, there is chassis 5 first pneumatic cylinder 4 hydraulic stem's one end through the bolt fastening, when starting first pneumatic cylinder 4, thereby the one end of first pneumatic cylinder 4 hydraulic stem stretches out and draws back, can make chassis 5 support ground, the top of fluted disc 7 is equipped with hoisting mechanism.
In the utility model, it should be noted that, the hoisting mechanism includes a mounting frame 1, a second hydraulic cylinder 10 is fixed on one side of the mounting frame 1 through a bolt, when the second hydraulic cylinder 10 is started, one end of a hydraulic rod of the second hydraulic cylinder 10 can push a boom 12 to rotate, so as to adjust the hoisting height of the boom 12, the top of the mounting frame 1 is rotatably connected with the boom 12, and one end of the hydraulic rod of the second hydraulic cylinder 10 is fixed with the boom 12, a balancing weight 2 is fixed on the top of the mounting frame 1 through a bolt, the balancing weight 2 can keep the weight of the main platform of the crane and the weight of an object balanced, the shaking of the main platform of the crane is avoided, the use safety of the crane is enhanced, one end of the boom 12 is fixed with a fixed seat through a bolt, one side of the fixed seat is rotatably connected with a wire wheel 11, a dust cover 15 is fixed on the bottom of the base 17 through a bolt, and the dust cover 15 is positioned below a motor 14, the dust cover 15 can play the effect of protection to motor 14, can prolong motor 14's life, and the both ends of sleeve pipe 3 are passed through the bolt fastening and are had strengthening rib 9, and one side and the second telescopic link 8 of strengthening rib 9 are fixed mutually.
The working principle is as follows: when a worker carries out hoisting work, the second telescopic rod 8 is started firstly, so that the second telescopic rod 8 is extended, the pull pin 18 is taken down, the inserted rod 19 is pulled out of the sleeve 3, the pull pin 18 is inserted into the pin hole, so that the inserted rod 19 is fixed with the sleeve 3, then the first hydraulic cylinder 4 is started, one end of the hydraulic rod of the first hydraulic cylinder 4 is extended, then the chassis 5 is driven to move downwards to support the ground, then the motor 14 is started, the motor 14 drives the gear 13 to rotate, then the gear 13 pushes the fluted disc 7 to rotate, the hoisting mechanism rotates along with the fluted disc 7 so as to conveniently hoist objects at different positions, meanwhile, the second hydraulic cylinder 10 is started, one of the hydraulic rods of the second hydraulic cylinder 10 pushes the hoisting arm 12, so that the hoisting height of the hoisting arm 12 is adjusted and the objects are hoisted, after the hoisting work is finished, the chassis 5 is reset firstly, then the inserted rod 19 is pushed into the sleeve 3, finally, the second telescopic rod 8 is started, so that the second telescopic rod 8 drives the sleeve 3 to retract.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. A crawler crane main platform comprises two crawler wheels (6), and is characterized in that a base (17) is fixedly connected between the crawler wheels (6), a fluted disc (7) is movably connected to the top of the base (17), a support (16) is fixedly connected to one side of the base (17), a motor (14) is fixedly connected to the inner wall of one side of the support (16), a gear (13) is fixedly connected to one end of an output shaft of the motor (14), the gear (13) is meshed with the fluted disc (7), two second telescopic rods (8) are fixedly connected to two sides of the base (17), a sleeve (3) is fixedly connected between the second telescopic rods (8), inserting rods (19) are inserted into two ends of the sleeve (3), a plurality of pin holes are formed in one side of the sleeve (3), one side of the inserting rods (19) and one side of the second telescopic rods (8), and pulling pins (18) are arranged in the pin holes, the two ends of the sleeve (3) are fixedly connected with first hydraulic cylinders (4), one ends of the hydraulic rods of the first hydraulic cylinders (4) are fixedly connected with a chassis (5), and the top of the fluted disc (7) is provided with a hoisting mechanism.
2. The main platform of the crawler crane according to claim 1, wherein the crane comprises a mounting frame (1), a second hydraulic cylinder (10) is fixedly connected to one side of the mounting frame (1), a boom (12) is movably connected to the top of the mounting frame (1), and one end of a hydraulic rod of the second hydraulic cylinder (10) is fixed to the boom (12).
3. A crawler crane main platform according to claim 2, wherein a counterweight (2) is fixedly connected to the top of the mounting frame (1).
4. The main platform of a crawler crane according to claim 2, wherein one end of the boom (12) is fixedly connected with a fixed seat, and one side of the fixed seat is movably connected with a reel (11).
5. A crawler crane main platform according to claim 1, wherein a dust cover (15) is fixedly connected to the bottom of the base (17), and the dust cover (15) is located below the motor (14).
6. A main platform of a crawler crane according to claim 1, characterized in that the two ends of the sleeve (3) are fixedly connected with a reinforcing rib (9), and one side of the reinforcing rib (9) is fixed with the second telescopic rod (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023152287.XU CN214031468U (en) | 2020-12-24 | 2020-12-24 | Main platform of crawler crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023152287.XU CN214031468U (en) | 2020-12-24 | 2020-12-24 | Main platform of crawler crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214031468U true CN214031468U (en) | 2021-08-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023152287.XU Active CN214031468U (en) | 2020-12-24 | 2020-12-24 | Main platform of crawler crane |
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| CN (1) | CN214031468U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115504387A (en) * | 2022-11-22 | 2022-12-23 | 中国核工业二四建设有限公司 | Auxiliary hoisting equipment for installing reinforcing steel bars and auxiliary hoisting method thereof |
-
2020
- 2020-12-24 CN CN202023152287.XU patent/CN214031468U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115504387A (en) * | 2022-11-22 | 2022-12-23 | 中国核工业二四建设有限公司 | Auxiliary hoisting equipment for installing reinforcing steel bars and auxiliary hoisting method thereof |
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