CN215974670U - Engineering machine lifting structure - Google Patents
Engineering machine lifting structure Download PDFInfo
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- CN215974670U CN215974670U CN202122596846.4U CN202122596846U CN215974670U CN 215974670 U CN215974670 U CN 215974670U CN 202122596846 U CN202122596846 U CN 202122596846U CN 215974670 U CN215974670 U CN 215974670U
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- 238000009434 installation Methods 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 2
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- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- 238000012938 design process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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- 230000017525 heat dissipation Effects 0.000 description 1
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Abstract
The utility model discloses an engineering machinery hoisting structure, wherein a hoisting arm lifting mechanism is movably connected inside a base, the top of the hoisting arm lifting mechanism is movably connected with the hoisting mechanism, the top of a driving motor is fixedly connected with a threaded rod, the outer surface of the middle part of the threaded rod is in threaded connection with a movable plate, and the top of the movable plate is fixedly connected with a first connecting frame. This engineering machine tool lifts by crane structure is provided with, driving motor passes through the threaded rod and drives the top removal of movable plate to the device, the movable plate drives first gear through first link and removes to the top of the device, first rack drives second link rebound when first gear is rotatory this moment, drive second rack rebound through the second gear under the drive of second link, and then drive articulated seat rebound, can one-man operation in the assembling process, need not be with the help of auxiliary assembly, the installation, it is efficient to dismantle, the stability of mechanism is lifted by crane in the while improvement.
Description
Technical Field
The utility model relates to the technical field of hoisting, in particular to a hoisting structure of engineering machinery.
Background
The wheel loader is an earthwork construction machine widely applied to construction projects such as roads, railways, buildings, hydropower, ports, mines and the like, and is mainly used for shoveling and loading bulk materials such as soil, sand, stone, coal and the like, and can also perform light operation on ores and hard soil, wherein the loader is usually hoisted into a cabin to perform cleaning operation in port working conditions, the discharge requirement of the loader is continuously improved, the new-generation loader is limited by the design of heat dissipation capacity, the width size of a hood is generally larger than that of the old-generation loader, certain difficulty is caused to the arrangement of hoisting points of the loader, particularly in the port working conditions, hoisting equipment used by different port users is different, different requirements are arranged on the hoisting points, and the requirements of various working conditions are difficult to meet in the design process.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a lifting structure of engineering machinery, which aims to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: a lifting structure of engineering machinery comprises a base, a lifting arm lifting mechanism and a lifting mechanism, wherein the lifting arm lifting mechanism is movably connected inside the base, and the top of the lifting arm lifting mechanism is movably connected with the lifting mechanism;
the lifting arm lifting mechanism comprises a driving motor, a threaded rod, a movable plate, a first connecting frame, a first gear, a first rack, a second connecting frame, a second gear, a second rack and a hinged seat, the top fixedly connected with threaded rod of the driving motor is connected with the threaded rod, the outer surface of the middle of the threaded rod is in threaded connection with the movable plate, the first connecting frame is fixedly connected with the top of the movable plate, the first gear is movably connected with the front inside of the first connecting frame, the first rack is meshed with the right side of the first gear, the second connecting frame is fixedly connected with the right side of the first rack, the second gear is movably connected with the front inside of the second connecting frame, the second rack is meshed with the right side of the second gear, and the hinged seat is fixedly connected with the top of the second rack.
Preferably, the hoisting mechanism comprises a movable block, a first electric telescopic rod, a supporting block, a second electric telescopic rod, a connecting seat, a pin shaft and a pulley, the first electric telescopic rod is fixedly connected to the back of the movable block, the supporting block is movably connected to the outer surface of the back of the first electric telescopic rod, the second electric telescopic rod is fixedly connected to the bottom of the supporting block, the connecting seat is fixedly connected to the back of the first electric telescopic rod, the pin shaft is movably connected to the inside of the connecting seat, and the pulley is fixedly connected to the outside of the pin shaft.
Preferably, the second electric telescopic rod is fixedly connected to the top of the back face of the base, the lifting mechanism shell is fixedly connected to the top of the front face of the base, teeth are fixedly connected to two sides of the inner portion of the lifting mechanism shell, and the inner sides of the teeth are meshed with the first gear.
Preferably, the tops of the two sides of the moving plate are movably connected with a second connecting frame, the inner side of the second connecting frame is movably connected with a second rack, and the bottom of the second rack is movably connected with the moving plate.
Preferably, the hinge seat is movably connected with a pin shaft inside, the outer surface of the pin shaft is movably connected with a movable block, and the number of the pin shafts is two.
Preferably, a second gear is movably connected in front of the first gear, and the number of the second gear and the first gear is two.
Preferably, the inside swing joint of elevating system shell has first link, second link and second rack, and driving motor's bottom fixedly connected with elevating system shell.
Compared with the prior art, the utility model has the beneficial effects that:
(1) this engineering machine tool lifts by crane structure is provided with, driving motor passes through the threaded rod and drives the top removal of movable plate to the device, the movable plate drives first gear through first link and removes to the top of the device, first rack drives second link rebound when first gear is rotatory this moment, drive second rack rebound through the second gear under the drive of second link, and then drive articulated seat rebound, can one-man operation in the assembling process, need not be with the help of auxiliary assembly, the installation, it is efficient to dismantle, the stability of mechanism is lifted by crane in the while improvement.
(2) This engineering machine tool lifts by crane the structure and is provided with, when lifting arm elevating system removed to a certain position and stops, adjustment second electric telescopic handle, and second electric telescopic handle passes through the supporting shoe and drives first electric telescopic handle's inclination and adjusts, and first electric telescopic handle can drive the connecting seat and the pulley and remove about for when actually lifting by crane, first electric telescopic handle can remain stability, has increased the device's stability.
Drawings
FIG. 1 is a schematic front perspective view of the present invention;
FIG. 2 is a schematic left-side perspective view of the present invention;
FIG. 3 is a schematic top perspective view of the present invention;
FIG. 4 is a schematic view of an internal elevation perspective structure of the boom raising and lowering mechanism of the present invention;
fig. 5 is a schematic diagram of an internal front view structure of the lifting arm lifting mechanism of the present invention.
In the figure: 1. a base; 2. a boom raising and lowering mechanism; 20. a drive motor; 21. a threaded rod; 22. moving the plate; 23. a first connecting frame; 24. a first gear; 25. a first rack; 26. a second link frame; 27. a second gear; 28. a second rack; 29. a hinged seat; 3. a hoisting mechanism; 30. a movable block; 31. a first electric telescopic rod; 32. a support block; 33. a second electric telescopic rod; 34. a connecting seat; 35. a pin shaft; 36. a pulley.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
as shown in fig. 1 and 4-5, an engineering machinery hoisting structure comprises a base 1, a lifting arm lifting mechanism 2 and a hoisting mechanism 3, wherein the top of the back surface of the base 1 is fixedly connected with a second electric telescopic rod 33, the top of the front surface of the base 1 is fixedly connected with a lifting mechanism shell, two sides inside the lifting mechanism shell are fixedly connected with teeth, the inner sides of the teeth are engaged with a first gear 24, the inside of the base 1 is movably connected with the lifting arm lifting mechanism 2, and the top of the lifting arm lifting mechanism 2 is movably connected with the hoisting mechanism 3;
the lifting arm lifting mechanism 2 comprises a driving motor 20, a threaded rod 21, a moving plate 22, a first connecting frame 23, a first gear 24, a first rack 25, a second connecting frame 26, a second gear 27, a second rack 28 and a hinged seat 29, wherein the inside of a lifting mechanism shell is movably connected with the first connecting frame 23, the second connecting frame 26 and the second rack 28, the bottom of the driving motor 20 is fixedly connected with the lifting mechanism shell, the top of the driving motor 20 is fixedly connected with the threaded rod 21, the outer surface of the middle part of the threaded rod 21 is in threaded connection with the moving plate 22, the top of the moving plate 22 is fixedly connected with the first connecting frame 23, the inside of the front of the first connecting frame 23 is movably connected with the first gear 24, the front of the first gear 24 is movably connected with the second gear 27, the number of the second gear 27 and the first gear 24 is two, the right side of the first gear 24 is engaged with the first rack 25, the right side of the first rack 25 is fixedly connected with the second connecting frame 26, the top parts of the two sides of the moving plate 22 are movably connected with a second connecting frame 26, the inner side of the second connecting frame 26 is movably connected with a second rack 28, the bottom part of the second rack 28 is movably connected with the moving plate 22, the front inner part of the second connecting frame 26 is movably connected with a second gear 27, the right side of the second gear 27 is meshed with the second rack 28, and the top part of the second rack 28 is fixedly connected with a hinged seat 29.
The utility model discloses a theory of operation: when the device is used, a steel rope penetrates through the pulley 36, the height of the lifting arm is adjusted according to different occasions, the driving motor 20 and the second electric telescopic rod 33 are started, the driving motor 20 drives the movable plate 22 to move towards the top of the device through the threaded rod 21, the movable plate 22 drives the first gear 24 to move towards the top of the device through the first connecting frame 3, the first rack 25 drives the second connecting frame 26 to move upwards when the first gear 24 rotates, the second rack 28 is driven to move upwards through the second gear 27 under the driving of the second connecting frame 26, and then the hinge seat 29 is driven to move upwards, the device can be operated by one person in the assembling process, auxiliary equipment is not needed, the mounting and dismounting efficiency is high, and meanwhile the stability of the lifting mechanism 3 is improved.
Example 2:
as shown in fig. 2-3, the hoisting mechanism 3 includes a movable block 30, a first electric telescopic rod 31, a supporting block 32, a second electric telescopic rod 33, a connecting seat 34, a pin shaft 35 and a pulley 36, the back of the movable block 30 is fixedly connected with the first electric telescopic rod 31, the back outer surface of the first electric telescopic rod 31 is movably connected with the supporting block 32, the bottom of the supporting block 32 is fixedly connected with the second electric telescopic rod 33, the back of the first electric telescopic rod 31 is fixedly connected with the connecting seat 34, the inside of the connecting seat 34 is movably connected with the pin shaft 35, the inside of the hinged seat 29 is movably connected with the pin shaft 35, the outer surface of the pin shaft 35 is movably connected with the movable block 30, the number of the pin shafts 35 is two, and the outside of the pin shaft 35 is fixedly connected with the pulley 36.
When the lifting arm lifting mechanism 2 moves to a certain position and stops, the second electric telescopic rod 33 is adjusted, the second electric telescopic rod 33 drives the inclination angle of the first electric telescopic rod 31 through the supporting block 32 to be adjusted, and the first electric telescopic rod 31 can drive the connecting seat 34 and the pulley 36 to move left and right, so that when the lifting arm lifting mechanism is actually lifted, the first electric telescopic rod 31 can keep stability, and the stability of the lifting arm lifting mechanism is improved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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 (7)
1. The utility model provides an engineering machine tool lifts by crane structure, includes base (1), plays davit elevating system (2) and lifts by crane mechanism (3), its characterized in that: a lifting arm lifting mechanism (2) is movably connected inside the base (1), and a lifting mechanism (3) is movably connected to the top of the lifting arm lifting mechanism (2);
the lifting arm lifting mechanism (2) comprises a driving motor (20), a threaded rod (21), a moving plate (22), a first connecting frame (23), a first gear (24), a first rack (25), a second connecting frame (26), a second gear (27), a second rack (28) and a hinging seat (29), the threaded rod (21) is fixedly connected to the top of the driving motor (20), the moving plate (22) is in threaded connection with the outer surface of the middle of the threaded rod (21), the first connecting frame (23) is fixedly connected to the top of the moving plate (22), the first gear (24) is movably connected to the front inside of the first connecting frame (23), the first rack (25) is meshed to the right side of the first gear (24), the second connecting frame (26) is fixedly connected to the right side of the first rack (25), and the second gear (27) is movably connected to the front inside of the second connecting frame (26), a second rack (28) is meshed on the right side of the second gear (27), and a hinged seat (29) is fixedly connected to the top of the second rack (28).
2. An engineering machinery hoisting structure according to claim 1, characterized in that: the lifting mechanism (3) comprises a movable block (30), a first electric telescopic rod (31), a supporting block (32), a second electric telescopic rod (33), a connecting seat (34), a pin shaft (35) and a pulley (36), wherein the first electric telescopic rod (31) is fixedly connected to the back of the movable block (30), the supporting block (32) is movably connected to the outer surface of the back of the first electric telescopic rod (31), the second electric telescopic rod (33) is fixedly connected to the bottom of the supporting block (32), the connecting seat (34) is fixedly connected to the back of the first electric telescopic rod (31), the pin shaft (35) is movably connected to the inner portion of the connecting seat (34), and the pulley (36) is fixedly connected to the outer portion of the pin shaft (35).
3. An engineering machinery hoisting structure according to claim 1, characterized in that: the back top fixedly connected with second electric telescopic handle (33) of base (1), the preceding top fixedly connected with elevating system shell of base (1), the inside both sides fixedly connected with tooth of elevating system shell, the inboard meshing of tooth has first gear (24).
4. An engineering machinery hoisting structure according to claim 1, characterized in that: the top parts of the two sides of the moving plate (22) are movably connected with a second connecting frame (26), the inner side of the second connecting frame (26) is movably connected with a second rack (28), and the bottom of the second rack (28) is movably connected with the moving plate (22).
5. An engineering machinery hoisting structure according to claim 2, characterized in that: the hinge joint is characterized in that a pin shaft (35) is movably connected inside the hinge joint seat (29), a movable block (30) is movably connected to the outer surface of the pin shaft (35), and the number of the pin shafts (35) is two.
6. An engineering machinery hoisting structure according to claim 1, characterized in that: the front of the first gear (24) is movably connected with a second gear (27), and the number of the second gear (27) and the first gear (24) is two.
7. An engineering machinery hoisting structure according to claim 1, characterized in that: the inside swing joint of elevating system shell has first link (23), second link (26) and second rack (28), and the bottom fixedly connected with elevating system shell of driving motor (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122596846.4U CN215974670U (en) | 2021-10-27 | 2021-10-27 | Engineering machine lifting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122596846.4U CN215974670U (en) | 2021-10-27 | 2021-10-27 | Engineering machine lifting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215974670U true CN215974670U (en) | 2022-03-08 |
Family
ID=80572259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122596846.4U Active CN215974670U (en) | 2021-10-27 | 2021-10-27 | Engineering machine lifting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215974670U (en) |
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2021
- 2021-10-27 CN CN202122596846.4U patent/CN215974670U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231115 Address after: No. 888, South Section of Tianfu Avenue, Huayang Street, Tianfu New District, Chengdu City, Sichuan Province, 610000, with OL-07-202208001 attached Patentee after: Sichuan Tianfu Fenglong Construction Engineering Co.,Ltd. Address before: 710054 North College of Chang'an University, South Second Ring Road, Beilin District, Xi'an City, Shaanxi Province Patentee before: CHANG'AN University |