CN212491570U - Tower crane for science and education by utilizing mechanical transmission principle - Google Patents
Tower crane for science and education by utilizing mechanical transmission principle Download PDFInfo
- Publication number
- CN212491570U CN212491570U CN202021042508.5U CN202021042508U CN212491570U CN 212491570 U CN212491570 U CN 212491570U CN 202021042508 U CN202021042508 U CN 202021042508U CN 212491570 U CN212491570 U CN 212491570U
- Authority
- CN
- China
- Prior art keywords
- lifting
- pulley
- gear
- lifting rope
- suspension arm
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Jib Cranes (AREA)
Abstract
The utility model discloses an utilize mechanical transmission principle tower crane for science and education relates to children's toys field, and it includes tower body, davit subassembly, lifting hook, lifting rope, davit angular adjustment subassembly and lifting rope length adjustment subassembly. Should utilize mechanical transmission principle for scientific and educational tower crane to imitate the principle and the structure of traditional tower crane and make, dwindle traditional tower crane and act as the toy, on having the recreational basis of traditional toy, the principle and the structure of traditional tower crane can also be known to the children, collect recreational and educational in an organic whole.
Description
Technical Field
The utility model relates to a children's toys field especially relates to an utilize mechanical transmission principle tower crane for science and education.
Background
The children can not leave the companion of the toy after growing up, along with the improvement of the living standard of people, the demand of the toy increases day by day, and meanwhile, consumers pay more attention to the educational nature of the children's toy. The traditional children toy mainly has entertainment and cannot integrate entertainment and education into a whole. Therefore, how to provide a child toy integrating entertainment and education is a problem to be solved urgently at present.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a tower crane for science and education which integrates entertainment and education and utilizes the mechanical transmission principle.
In order to achieve the above object, the utility model provides a following scheme:
the utility model provides an utilize mechanical transmission principle tower crane for science and education, preferably, include: the tower body comprises a central shaft, and a tower body, an installation seat and a base which are fixedly connected in sequence from top to bottom, wherein the tower body is provided with a first through hole along the height direction of the tower body; the suspension arm assembly comprises a suspension arm, a first pulley, a second pulley and a third pulley, the suspension arm is perpendicular to the central shaft and is fixedly connected with one end, far away from the first open hole, of the central shaft, a first pulley mounting frame and a second pulley mounting frame are sequentially arranged on the suspension arm along the length direction of the suspension arm, the first pulley is rotatably mounted on the first pulley mounting frame, the second pulley and the third pulley are both rotatably mounted on the second pulley mounting frame, and the second pulley and the third pulley are vertically arranged; a hook for hooking a heavy object; one end of the lifting rope is connected with the lifting hook, and the other end of the lifting rope sequentially bypasses the first pulley, the lifting arm, the second pulley and the third pulley and extends into the mounting cavity; the suspension arm angle adjusting assembly comprises a suspension arm angle adjusting switch and a suspension arm angle adjusting device, the suspension arm angle adjusting device is arranged in the installation cavity, the suspension arm angle adjusting switch is connected with the suspension arm angle adjusting device to control the suspension arm angle adjusting device to work, and the suspension arm angle adjusting device is connected with the central shaft to drive the central shaft to rotate; the lifting rope length adjusting assembly comprises a lifting rope length adjusting switch and a lifting rope length adjusting device, the lifting rope length adjusting device is arranged in the installation cavity, the lifting rope length adjusting switch is connected with the lifting rope length adjusting device to control the lifting rope length adjusting device to work, and the lifting rope length adjusting device is connected with one end, far away from the lifting hook, of the lifting rope to adjust the length of the lifting rope.
Preferably, the boom angle adjusting device includes a first rotating shaft, a first gear and a second gear, the first gear is fixedly sleeved on the first rotating shaft, the second gear is fixedly sleeved on the central shaft, and the first gear is engaged with the second gear.
Preferably, lifting rope length adjustment device includes second pivot, third gear and the fourth gear and the rope drum that set up from top to bottom, the fixed cover of third gear is located in the second pivot, the rope drum with the fourth gear all rotationally overlaps and is located on the center pin, just the rope drum with fourth gear fixed connection, the third gear with the fourth gear meshes mutually, the lifting rope is kept away from the one end of lifting hook twines in on the rope drum.
Preferably, the boom angle adjusting switch is a first handle, the boom angle adjusting device is arranged at the top end of the mounting seat, and the boom angle adjusting switch is fixedly connected with the first rotating shaft.
Preferably, the lifting rope length adjusting switch is a second handle, the lifting rope length adjusting device is arranged at the top end of the mounting seat, and the lifting rope length adjusting switch is fixedly connected with the second rotating shaft.
Preferably, a second opening communicated with the first through hole is formed in the side wall of the tower body, and one end, far away from the lifting hook, of the lifting rope extends into the first through hole from the second opening and extends into the mounting cavity through the first opening communicated with the first through hole.
Preferably, the davit includes roof, bottom plate and all curb plates, the roof with the bottom plate sets up relatively from top to bottom, all curb plates set up in between the roof with the bottom plate and with the roof with the bottom plate encloses into a cavity, follow on the bottom plate the length direction of bottom plate is provided with a plurality ofly with the third trompil of cavity and external intercommunication, the lifting rope is kept away from the one end of lifting hook passes arbitrary two the third trompil is in order to bypass the davit, be equipped with the fretwork figure on all curb plates.
Preferably, the tower crane for science and education based on the mechanical transmission principle further comprises a tower top, a boom seat, a fixed shaft, a first pull rope and a second pull rope, the suspension arm seat is sleeved on the suspension arm, one end of the fixed shaft is vertical to the suspension arm seat and is fixedly connected with the top end of the suspension arm seat, the other end of the fixed shaft is connected with the top of the tower, the bottom end of the boom seat is fixedly connected with one end of the central shaft far away from the mounting seat, the two ends of the boom are respectively provided with a first lifting lug and a second lifting lug, a third lifting lug is arranged on one side of the tower top corresponding to the first lifting lug, a fourth lifting lug is arranged on one side corresponding to the second lifting lug, one end of the first pull rope is connected with the first lifting lug, the other end of the first pull rope is connected with the third lifting lug, one end of the second pull rope is connected with the second lifting lug, and the other end of the second pull rope is connected with the fourth lifting lug.
Preferably, the bottom end of the base is provided with a supporting chassis, and the base is of a cylindrical structure or a step structure.
The utility model discloses for prior art gain following technological effect:
the utility model provides an utilize mechanical transmission principle tower crane for science and education, include: the tower body comprises a central shaft, and a tower body, a mounting seat and a base which are fixedly connected in sequence from top to bottom, wherein the tower body is provided with a first through hole along the height direction of the tower body; the suspension arm assembly comprises a suspension arm, a first pulley, a second pulley and a third pulley, the suspension arm is perpendicular to the central shaft and is fixedly connected with one end, far away from the first opening, of the central shaft, a first pulley mounting frame and a second pulley mounting frame are sequentially arranged on the suspension arm along the length direction of the suspension arm, the first pulley is rotatably mounted on the first pulley mounting frame, the second pulley and the third pulley are both rotatably mounted on the second pulley mounting frame, and the second pulley and the third pulley are arranged up and down; a hook for hooking a heavy object; one end of the lifting rope is connected with the lifting hook, and the other end of the lifting rope sequentially rounds the first pulley, the lifting arm, the second pulley and the third pulley and extends into the mounting cavity; the suspension arm angle adjusting assembly comprises a suspension arm angle adjusting switch and a suspension arm angle adjusting device, the suspension arm angle adjusting device is arranged in the installation cavity, the suspension arm angle adjusting switch is connected with the suspension arm angle adjusting device to control the suspension arm angle adjusting device to work, and the suspension arm angle adjusting device is connected with the central shaft to drive the central shaft to rotate; lifting rope length adjustment subassembly, lifting rope length adjustment subassembly include lifting rope length adjustment switch and lifting rope length adjustment device, and lifting rope length adjustment device sets up in the installation intracavity, and lifting rope length adjustment switch links to each other with lifting rope length adjustment device work in order to control lifting rope length adjustment device, and lifting rope length adjustment device links to each other with the one end that the lifting hook was kept away from to the lifting rope in order to adjust lifting rope length. Should utilize mechanical transmission principle for scientific and educational tower crane to imitate the principle and the structure of traditional tower crane and make, dwindle traditional tower crane and act as the toy, on having the recreational basis of traditional toy, the principle and the structure of traditional tower crane can also be known to the children, collect recreational and educational in an organic whole.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of a tower crane for science and education using a mechanical transmission principle provided in an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a suspension arm angle adjusting device provided in an embodiment of the present invention;
fig. 3 is a schematic structural view of a lifting rope length adjusting device provided in an embodiment of the present invention;
fig. 4 is a schematic view of a connection manner of a first pulley and a first pulley mounting bracket provided in an embodiment of the present invention;
fig. 5 is a schematic view of a connection manner of the second pulley and the third pulley with the second pulley mounting bracket according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a suspension arm provided in an embodiment of the present invention;
fig. 7 is a schematic structural view of a base with a cylindrical structure provided in an embodiment of the present invention;
fig. 8 is a schematic structural view of a landing structure base provided in an embodiment of the present invention.
Description of reference numerals: 1. a tower body; 2. a mounting seat; 3. a base; 4. a central shaft; 5. a first through hole; 6. a mounting cavity; 7. a suspension arm; 8. a first pulley; 9. a second pulley; 10. a third pulley; 11. a first pulley mounting bracket; 12. a second pulley mounting bracket; 13. a hook; 14. a lifting rope; 15. a boom angle adjustment switch; 16. a lifting rope length adjusting switch; 17. a first rotating shaft; 18. a first gear; 19. a second gear; 20. a second rotating shaft; 21. a third gear; 22. a fourth gear; 23. a rope drum; 24. a second opening; 25. a top plate; 26. a base plate; 27. a peripheral side plate; 28. a third opening; 29. the tower top; 30. a boom base; 31. a fixed shaft; 32. a first pull cord; 33. a second pull cord; 34. a first lifting lug; 35. a second lifting lug; 36. a third lifting lug; 37. a fourth lifting lug; 38. supporting the chassis.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model aims at providing a collect recreational and educational in the tower crane machine for science and education of utilization mechanical transmission principle of an organic whole.
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
As shown in fig. 1 to 8, the present embodiment provides a tower crane for scientific education using a mechanical transmission principle, including: the tower body comprises a central shaft 4, and a tower body 1, a mounting seat 2 and a base 3 which are fixedly connected from top to bottom in sequence, wherein the tower body 1 is provided with a first through hole 5 along the height direction of the tower body 1, a mounting cavity 6 is formed inside the mounting seat 2, the top end of the mounting seat 2 is provided with a first opening communicated with the mounting cavity 6, the central shaft 4 is rotatably mounted in the first through hole 5, and one end, close to the first opening, of the central shaft 4 extends into the mounting cavity 6 from the first opening; the suspension arm assembly comprises a suspension arm 7, a first pulley 8, a second pulley 9 and a third pulley 10, the suspension arm 7 is perpendicular to the central shaft 4 and is fixedly connected with one end, far away from the first opening, of the central shaft 4, the suspension arm 7 is sequentially provided with a first pulley mounting frame 11 and a second pulley mounting frame 12 along the length direction of the suspension arm 7, the first pulley 8 is rotatably mounted on the first pulley mounting frame 11, the second pulley 9 and the third pulley 10 are both rotatably mounted on the second pulley mounting frame 12, and the second pulley 9 and the third pulley 10 are vertically arranged; a hook 13 for hooking a weight; one end of the lifting rope 14 is connected with the lifting hook 13, and the other end of the lifting rope 14 sequentially bypasses the first pulley 8, the lifting arm 7, the second pulley 9 and the third pulley 10 and extends into the mounting cavity 6; the suspension arm angle adjusting assembly comprises a suspension arm angle adjusting switch 15 and a suspension arm angle adjusting device, the suspension arm angle adjusting device is arranged in the installation cavity 6, the suspension arm angle adjusting switch 15 is connected with the suspension arm angle adjusting device to control the suspension arm angle adjusting device to work, and the suspension arm angle adjusting device is connected with the central shaft 4 to drive the central shaft 4 to rotate; lifting rope length adjustment subassembly, lifting rope length adjustment subassembly include lifting rope length adjustment switch 16 and lifting rope length adjustment device, and lifting rope length adjustment device sets up in installation cavity 6, and lifting rope length adjustment switch 16 links to each other with lifting rope length adjustment device in order to control lifting rope length adjustment device work, and lifting rope length adjustment device links to each other with the one end that lifting rope 14 kept away from lifting hook 13 in order to adjust lifting rope 14 length. Should utilize mechanical transmission principle for scientific and educational tower crane to imitate the principle and the structure of traditional tower crane and make, dwindle traditional tower crane and act as the toy, on having the recreational basis of traditional toy, the principle and the structure of traditional tower crane can also be known to the children, collect recreational and educational in an organic whole.
In the embodiment, as shown in fig. 2, the boom angle adjusting device includes a first rotating shaft 17, a first gear 18 and a second gear 19, the first gear 18 is fixedly sleeved on the first rotating shaft 17 to rotate synchronously with the first rotating shaft 17, the second gear 19 is fixedly sleeved on the central shaft 4 to rotate synchronously with the central shaft 4, and the first gear 18 is engaged with the second gear 19.
In this embodiment, specifically, as shown in fig. 3, the lifting rope length adjusting device includes a second rotating shaft 20, a third gear 21, and a fourth gear 22 and a rope winding drum 23 that are vertically disposed, the third gear 21 is fixedly sleeved on the second rotating shaft 20 to rotate synchronously with the second rotating shaft 20, both the rope winding drum 23 and the fourth gear 22 are rotatably sleeved on the central shaft 4, the rope winding drum 23 and the fourth gear 22 can be mounted on the central shaft 4 through bearings, and the rope winding drum 23 is fixedly connected with the fourth gear 22 to rotate synchronously with the fourth gear 22, the third gear 21 is engaged with the fourth gear 22, and one end of the lifting rope 14 away from the hook 13 is wound on the rope winding drum 23.
In the embodiment, in order to adjust the angle of the boom 7, as shown in fig. 1, the boom angle adjusting switch 15 is a first handle, the boom angle adjusting device is disposed at the top end of the mounting base 2, and the boom angle adjusting switch 15 is fixedly connected to the first rotating shaft 17.
In this embodiment, in order to adjust the length of the lifting rope 14, as shown in fig. 1, the lifting rope length adjusting switch 16 is a second handle, the lifting rope length adjusting device is disposed at the top end of the mounting base 2, and the lifting rope length adjusting switch 16 is fixedly connected to the second rotating shaft 20.
In this embodiment, in order to improve the compactness of the device, as shown in fig. 1, a second opening 24 communicating with the first through hole 5 is provided on the side wall of the tower body 1, and an end of the lifting rope 14 away from the hook 13 extends into the first through hole 5 from the second opening 24 and extends into the mounting cavity 6 through the first opening communicating with the first through hole 5.
In this embodiment, in order to reduce the weight of the boom 7, as shown in fig. 6, the boom 7 includes a top plate 25, a bottom plate 26 and a peripheral side plate 27, the top plate 25 and the bottom plate 26 are disposed opposite to each other, the peripheral side plate 27 is disposed between the top plate 25 and the bottom plate 26 and encloses a cavity with the top plate 25 and the bottom plate 26, a plurality of third openings 28 for communicating the cavity with the outside are disposed on the bottom plate 26 along the length direction of the bottom plate 26, one end of the lifting rope 14 away from the hook 13 passes through any two of the third openings 28 to go around the boom 7, and the peripheral side plate 27 is provided with a hollow pattern.
In the present embodiment, as shown in fig. 1, the tower crane for scientific teaching by using the mechanical transmission principle further includes a tower top 29, a boom base 30, a fixed shaft 31, a first pull rope 32 and a second pull rope 33, the boom base 30 is sleeved on the boom 7, one end of the fixed shaft 31 is perpendicular to the boom base 30 and is fixedly connected with the top end of the boom base 30, and the other end is connected with the tower top 29, the bottom end of the boom base 30 is fixedly connected with one end of the central shaft 4 away from the mounting base 2, two ends of the boom 7 are respectively provided with the first lifting lug 34 and the second lifting lug 35, one side of the tower top 29 corresponding to the first lifting lug 34 is provided with a third lifting lug 36, one side corresponding to the second lifting lug 35 is provided with a fourth lifting lug 37, one end of the first pull rope 32 is connected with the first lifting lug 34, and the other end is connected with the third lifting lug 36, one end of the second pull rope. With this arrangement, the boom 7 is always kept horizontal by the tower top 29, the first rope 32, and the second rope 33, and the boom 7 is good in horizontality.
In the present embodiment, as shown in fig. 7 and 8, the bottom end of the base 3 is provided with a supporting chassis 38, and the base 3 has a cylindrical structure or a step structure. So set up, base 3 stationarity improves greatly.
In the specific use process, a heavy object is hooked on the lifting hook 13, a user rotates the first handle, the first handle drives the first rotating shaft 17 to rotate, and further drives the first gear 18 to rotate and the second gear 19 meshed with the first gear 18 to rotate, as the second gear 19 is fixedly connected with the central shaft 4, the central shaft 4 is connected with the lifting arm 7 through the lifting arm seat 30, the lifting arm 7 synchronously swings along with the rotation of the second gear 19, and further the angle adjustment of the lifting arm 7 is completed; the second handle is rotated, the second handle drives the second rotating shaft 20 to rotate, the second rotating shaft 20 rotates to further drive the third gear 21 to rotate and the fourth gear 22 meshed with the third gear 21 to rotate, because the fourth gear 22 is fixedly connected with the rope winding drum 23, the rope winding drum 23 rotates synchronously with the third gear 21, one end of the lifting rope 14 is wound on the rope winding drum 23, the length of the lifting rope 14 changes when the rope winding drum 23 rotates, the forward rotation of the second handle corresponds to the length increase of the lifting rope 14, the overturning corresponds to the length decrease of the lifting rope 14 or the forward rotation of the second handle corresponds to the length decrease of the lifting rope 14, and the overturning corresponds to the length increase of the lifting rope 14.
This utilize mechanical transmission principle tower crane for science and education to unique appearance attracts child's interest, arouses child's imagination, utilizes mechanical transmission's principle, makes child independently or cooperate the removal of accomplishing the object, and the activity in simulation adult world lets child learn mechanical transmission notion in playing, tempers the coordination ability of hand and eye, and edutainment is in the happy, establishes the study experience of peculiar interest.
The principle and the implementation mode of the present invention are explained by applying specific examples in the present specification, and the above descriptions of the examples are only used to help understanding the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.
Claims (9)
1. The utility model provides an utilize mechanical transmission principle tower crane for science and education which characterized in that includes:
the tower body comprises a central shaft, and a tower body, an installation seat and a base which are fixedly connected in sequence from top to bottom, wherein the tower body is provided with a first through hole along the height direction of the tower body;
the suspension arm assembly comprises a suspension arm, a first pulley, a second pulley and a third pulley, the suspension arm is perpendicular to the central shaft and is fixedly connected with one end, far away from the first open hole, of the central shaft, a first pulley mounting frame and a second pulley mounting frame are sequentially arranged on the suspension arm along the length direction of the suspension arm, the first pulley is rotatably mounted on the first pulley mounting frame, the second pulley and the third pulley are both rotatably mounted on the second pulley mounting frame, and the second pulley and the third pulley are vertically arranged;
a hook for hooking a heavy object;
one end of the lifting rope is connected with the lifting hook, and the other end of the lifting rope sequentially bypasses the first pulley, the lifting arm, the second pulley and the third pulley and extends into the mounting cavity;
the suspension arm angle adjusting assembly comprises a suspension arm angle adjusting switch and a suspension arm angle adjusting device, the suspension arm angle adjusting device is arranged in the installation cavity, the suspension arm angle adjusting switch is connected with the suspension arm angle adjusting device to control the suspension arm angle adjusting device to work, and the suspension arm angle adjusting device is connected with the central shaft to drive the central shaft to rotate;
the lifting rope length adjusting assembly comprises a lifting rope length adjusting switch and a lifting rope length adjusting device, the lifting rope length adjusting device is arranged in the installation cavity, the lifting rope length adjusting switch is connected with the lifting rope length adjusting device to control the lifting rope length adjusting device to work, and the lifting rope length adjusting device is connected with one end, far away from the lifting hook, of the lifting rope to adjust the length of the lifting rope.
2. The tower crane for science and education using the mechanical transmission principle as claimed in claim 1, wherein the boom angle adjusting device includes a first rotating shaft, a first gear and a second gear, the first gear is fixedly sleeved on the first rotating shaft, the second gear is fixedly sleeved on the central shaft, and the first gear is meshed with the second gear.
3. The tower crane for science and education using the mechanical transmission principle as claimed in claim 1, wherein the lifting rope length adjusting device includes a second rotating shaft, a third gear, a fourth gear and a rope winding drum which are vertically arranged, the third gear is fixedly sleeved on the second rotating shaft, the rope winding drum and the fourth gear are both rotatably sleeved on the central shaft, the rope winding drum is fixedly connected with the fourth gear, the third gear is engaged with the fourth gear, and one end of the lifting rope far away from the lifting hook is wound on the rope winding drum.
4. The tower crane for scientific teaching by using the mechanical transmission principle as claimed in claim 2, wherein the boom angle adjusting switch is a first handle, the boom angle adjusting device is disposed at the top end of the mounting base, and the boom angle adjusting switch is fixedly connected to the first rotating shaft.
5. The tower crane for science and education using the mechanical transmission principle as claimed in claim 3, wherein the lifting rope length adjusting switch is a second handle, the lifting rope length adjusting device is disposed at the top end of the mounting seat, and the lifting rope length adjusting switch is fixedly connected with the second rotating shaft.
6. The tower crane for science and education using the mechanical transmission principle as claimed in claim 1, wherein a second opening communicated with the first through hole is formed in the side wall of the tower body, and one end of the lifting rope, which is far away from the lifting hook, extends into the first through hole from the second opening and extends into the mounting cavity through the first opening communicated with the first through hole.
7. The tower crane for science and education using the mechanical transmission principle as claimed in claim 1, wherein the boom includes a top plate, a bottom plate and a peripheral side plate, the top plate and the bottom plate are oppositely disposed, the peripheral side plate is disposed between the top plate and the bottom plate and encloses a cavity with the top plate and the bottom plate, a plurality of third openings communicating the cavity with the outside are disposed on the bottom plate along the length direction of the bottom plate, one end of the lifting rope far from the lifting hook passes through any two of the third openings to bypass the boom, and the peripheral side plate is provided with a hollow pattern.
8. The tower crane for scientific education by using the mechanical transmission principle as claimed in claim 1, further comprising a tower top, a boom seat, a fixed shaft, a first pull rope and a second pull rope, wherein the boom seat is sleeved on the boom, one end of the fixed shaft is perpendicular to the boom seat and is fixedly connected with the top end of the boom seat, the other end of the fixed shaft is connected with the tower top, the bottom end of the boom seat is fixedly connected with one end of the central shaft far away from the installation seat, the two ends of the boom are respectively provided with a first lifting lug and a second lifting lug, one side of the tower top corresponding to the first lifting lug is provided with a third lifting lug, one side corresponding to the second lifting lug is provided with a fourth lifting lug, one end of the first pull rope is connected with the first lifting lug, the other end of the first pull rope is connected with the third lifting lug, and one end of the second pull rope is connected with the second lifting lug, The other end is connected with the fourth lifting lug.
9. The tower crane for science and education using the mechanical transmission principle as claimed in claim 1, wherein a supporting chassis is provided at a bottom end of the base, and the base is of a cylindrical structure or a step structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021042508.5U CN212491570U (en) | 2020-06-08 | 2020-06-08 | Tower crane for science and education by utilizing mechanical transmission principle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021042508.5U CN212491570U (en) | 2020-06-08 | 2020-06-08 | Tower crane for science and education by utilizing mechanical transmission principle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212491570U true CN212491570U (en) | 2021-02-09 |
Family
ID=74395274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021042508.5U Active CN212491570U (en) | 2020-06-08 | 2020-06-08 | Tower crane for science and education by utilizing mechanical transmission principle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212491570U (en) |
-
2020
- 2020-06-08 CN CN202021042508.5U patent/CN212491570U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212491570U (en) | Tower crane for science and education by utilizing mechanical transmission principle | |
| CN2838708Y (en) | Air boat roundabouts | |
| CN209612081U (en) | The electronic rope-swinging device of interaction rope | |
| CN202620685U (en) | Body-building, entertaining and intelligence-developing seesaw | |
| JPH041995Y2 (en) | ||
| CN106618001A (en) | Intelligent lifting suspension type pergola | |
| CN217708650U (en) | Hydraulic and hydroelectric engineering construction lifting equipment | |
| CN215516493U (en) | Energy-saving electric lifting device for drying tower maintenance | |
| CN203777660U (en) | Automatic control single-swinging swing | |
| CN211752454U (en) | Small mechanical crane for leisure and entertainment | |
| CN108970138B (en) | Bionic silkworm toy | |
| CN207785923U (en) | A kind of wireless driving crane toy | |
| CN216002043U (en) | Deflection device of outdoor dynamic butterfly model | |
| CN213375112U (en) | Electric swinging machine | |
| CN216497456U (en) | Building blocks crane toy | |
| CN214344377U (en) | Recreation equipment for simulating universe calendar danger | |
| CN201791373U (en) | Crane toy | |
| CN212593941U (en) | Self-controlled plane type recreation machine | |
| CN207076123U (en) | A kind of children's crane | |
| CN109432789B (en) | Suspension gliding wing type recreation equipment | |
| CN214947737U (en) | Laser communication base station support | |
| CN206508548U (en) | A kind of building blocks horizontal arm tower crane | |
| CN213623004U (en) | Gallows structure for building engineering | |
| CN215653759U (en) | Novel amusement is with wishing tree rotation type cage device | |
| CN215195376U (en) | Pedal rotating device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 276800 resident of taoluo Town, Rizhao City, Shandong Province Patentee after: Rizhao wuguangshise industry and Trade Co.,Ltd. Address before: 276800 resident of taoluo Town, Rizhao City, Shandong Province Patentee before: RIZHAO SUNTIME AMUSEMENT EQUIPMENT Co.,Ltd. |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A tower crane for science and education based on mechanical transmission principle Effective date of registration: 20220523 Granted publication date: 20210209 Pledgee: Rizhao Bank Co.,Ltd. Tai'an Road Branch Pledgor: Rizhao wuguangshise industry and Trade Co.,Ltd. Registration number: Y2022980006023 |