CN211688004U - Slewing mechanism for tower crane - Google Patents
Slewing mechanism for tower crane Download PDFInfo
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- CN211688004U CN211688004U CN202020163221.1U CN202020163221U CN211688004U CN 211688004 U CN211688004 U CN 211688004U CN 202020163221 U CN202020163221 U CN 202020163221U CN 211688004 U CN211688004 U CN 211688004U
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- motor
- connecting seat
- gear
- bottom plate
- base
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- 230000007246 mechanism Effects 0.000 title claims abstract description 21
- 239000002689 soil Substances 0.000 description 3
- 238000009435 building construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
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Abstract
The utility model discloses a swing mechanism for a tower crane, which comprises a tower body, a bottom plate, a base, a box body and a connecting seat, the center of the upper end surface of the bottom plate is fixedly connected with a base, the lower end surface of the bottom plate is fixedly provided with a movable wheel, the upper end surface of the bottom plate is in threaded connection with a screw rod, the bottom end of the screw rod penetrates through the bottom plate to be fixedly connected with the limiting plate, the center of the upper end surface of the base is fixedly connected with a rotating shaft, one end of the rotating shaft far away from the base is connected with the connecting seat, the connecting seat is arranged right above the base, the central position of the upper end surface of the connecting seat is fixedly connected with a tower body, the tower body and the connecting seat are arranged in a right-angle structure, the upper end surface of the bottom plate is also fixedly connected with a box body and a motor shell, the motor casing is internally provided with a first motor, the box body is relatively provided with a plurality of groups in parallel, and a first gear is fixedly sleeved on the outer side of the connecting seat. This a rotation mechanism for tower crane, reasonable in design has the good advantage of stability.
Description
Technical Field
The utility model belongs to the technical field of the tower crane, concretely relates to rotation mechanism for tower crane.
Background
Tower cranes, also known as tower cranes, originate in western europe. And the movable arm is arranged on the rotary crane at the upper part of the high-rise tower body. The working space is large, and the device is mainly used for vertical and horizontal conveying of materials and installation of building components in building construction. The slewing mechanism is a mechanism for realizing slewing motion by making a slewing part of a crane or other machinery rotate around a slewing center line thereof. And the space transportation task or other working cycles of the goods are completed by matching with other mechanisms.
Traditional tower crane is that top gyration, counter weight are fixed, and the weight of the power part of this kind of tower crane gyration portion is unfavorable to the stress state of tower body bottom to be unfavorable for the tower crane stability.
Disclosure of Invention
An object of the utility model is to provide a rotation mechanism for tower crane to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a swing mechanism for a tower crane comprises a tower body, a bottom plate, a base, a box body and a connecting seat, wherein the base is fixedly connected to the central position of the upper end surface of the bottom plate, moving wheels are fixedly mounted on the lower end surface of the bottom plate, a lead screw is connected to the upper end surface of the bottom plate in a threaded manner, the bottom end of the lead screw penetrates through the bottom plate to be fixedly connected with a limiting plate, a rotating shaft is fixedly connected to the central position of the upper end surface of the base, one end, away from the base, of the rotating shaft is connected with the connecting seat, the connecting seat is arranged right above the base, the tower body is fixedly connected to the central position;
the upper end face of the bottom plate is also fixedly connected with a box body and a motor shell, a first motor is arranged in the motor shell, the box body is relatively provided with a plurality of groups in parallel, a first gear is fixedly sleeved on the outer side of the connecting seat, and the first gear is rotatably connected with a second gear;
the box is internally provided with an accommodating space, and the box is internally provided with a cylinder, a second motor and a tapping screw respectively.
Preferably, the second gear is arranged right above the motor shell, the bottom end of the first motor is fixedly connected with the upper end face of the bottom plate, the top end of the first motor is connected with an output shaft, and the output shaft penetrates through the motor shell to be fixedly connected with the center of the lower end face of the second gear.
Preferably, one side of the motor shell is fixedly connected with a power supply, the inside of the box body is also provided with the power supply, the power supply is provided with a plurality of groups, and the power supply is respectively electrically connected with the first motor, the second motor and the cylinder.
Preferably, the connecting seat and the base are arranged in parallel relatively, a ball is further arranged between the connecting seat and the base, a bearing is embedded and installed at the position where the rotating shaft is located on the connecting seat, the bearing is sleeved on the rotating shaft, and the connecting seat is rotatably connected with the base.
Preferably, the first gear is of a circular ring structure, the second gear is of a circular plate structure, the outer sides of the first gear and the second gear are fixedly connected with clamping teeth, and the clamping teeth on the first gear and the clamping teeth on the second gear are arranged in a staggered mode.
Preferably, a plurality of groups of cylinders are arranged in parallel relatively, the bottom end of each cylinder is connected with a push rod, one end, far away from the cylinders, of each push rod is fixedly connected with a second motor, the center position of the bottom end of each second motor is connected with an attack screw, and the bottom plate is located at the position of the attack screw and provided with a through hole.
The utility model discloses a technological effect and advantage: this a rotation mechanism for tower crane, terminal surface and ground in close contact with under the limiting plate, design through limiting plate and lead screw, can enough provide the holding power for removing the wheel, simultaneously can increase the frictional force between removal wheel and the ground again, thereby avoid removing the wheel and appear sliding phenomenon, the second gear can drive first gear and rotate, first gear and then drive the connecting seat and rotate on the base, rotation through the connecting seat, thereby the body of the tower of being convenient for rotates, the cylinder can promote the second motor through the push rod and be up-and-down motion, the second motor can drive and attack the screw rod and rotate, attack in the screw rod can dig into soil, thereby reach the purpose of prescribing a limit to the device position, this a rotation mechanism for tower crane, and reasonable design has the good advantage of stability.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the internal structure of the case of the present invention;
fig. 3 is a perspective view of the first gear of the present invention.
In the figure: 1 body of the tower, 2 boxes, 3 first gear, 4 second gears, 5 power, 6 lead screws, 7 removal wheels, 8 tap screw rods, 9 limiting plates, 10 bottom plates, 11 bases, 12 balls, 13 motor casings, 14 rotating shafts, 15 first motors, 16 cylinders, 17 second motors, 18 connecting seats, 19 latches.
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 provides a slewing mechanism for a tower crane as shown in figures 1-3, which comprises a tower body 1, a bottom plate 10, a base 11, a box body 2 and a connecting seat 18, wherein the base 11 is fixedly connected with the central position of the upper end surface of the bottom plate 10, a moving wheel 7 is fixedly installed on the lower end surface of the bottom plate 10, the upper end surface of the bottom plate 10 is in threaded connection with a screw rod 6, the bottom end of the screw rod 6 passes through the bottom plate 10 and is fixedly connected with a limiting plate 9, the central position of the upper end surface of the base 11 is fixedly connected with a rotating shaft 14, one end of the rotating shaft 14 far away from the base 11 is connected with the connecting seat 18, the connecting seat 18 is arranged right above the base 11, the tower body 1 is fixedly connected with the central position of the upper end surface of the connecting seat 18, the tower body 1 and the connecting seat 18 are arranged in a, the supporting force can be provided for the moving wheel 7, and meanwhile, the friction force between the moving wheel 7 and the ground can be increased, so that the sliding phenomenon of the moving wheel 7 is avoided;
the upper end face of the bottom plate 10 is further fixedly connected with a box body 2 and a motor shell 13, a first motor 15 is arranged inside the motor shell 13, the box body 2 is provided with a plurality of groups in parallel relatively, a first gear 3 is fixedly sleeved outside the connecting seat 18, the first gear 3 is rotationally connected with a second gear 4, the second gear 4 can drive the first gear 3 to rotate, the first gear 3 further drives the connecting seat 18 to rotate on the base 11, and the tower body 1 can rotate conveniently through the rotation of the connecting seat 18;
the inside accommodating space that has of box 2, be equipped with cylinder 16, second motor 17 respectively in the box 2 and attack screw rod 8, cylinder 16 can promote second motor 17 through the push rod and do reciprocating motion from top to bottom, and second motor 17 can drive and attack screw rod 8 and rotate, attacks during screw rod 8 can bore soil to reach the mesh of prescribing a limit to the device position.
Specifically, the second gear 4 is arranged right above the motor casing 13, the bottom end of the first motor 15 is fixedly connected with the upper end face of the bottom plate 10, the top end of the first motor 15 is connected with an output shaft, and the output shaft penetrates through the motor casing 13 and is fixedly connected with the center position of the lower end face of the second gear 4.
Specifically, motor casing 13 one side fixedly connected with power 5, 2 insides of box also are equipped with power 5, power 5 is equipped with the multiunit, power 5 respectively with first motor 15, second motor 17 and cylinder 16 electric connection.
Specifically, the connecting seat 18 and the base 11 are arranged in parallel, a ball 12 is further arranged between the connecting seat 18 and the base 11, a bearing is mounted in the position where the rotating shaft 14 is located in the connecting seat 18 in an embedded manner, the bearing is sleeved on the rotating shaft 14, and the connecting seat 18 is rotatably connected with the base 11.
Specifically, the first gear 3 is a circular ring-shaped structure, the second gear 4 is a circular plate-shaped structure, the outer sides of the first gear 3 and the second gear 4 are both fixedly connected with latch teeth 19, and the latch teeth 19 on the first gear 3 and the latch teeth 19 on the second gear 4 are arranged in a staggered manner.
Specifically, the cylinder 16 is equipped with the multiunit in parallel relatively, the 16 bottom of cylinder is connected with the push rod, and the one end and the second motor 17 fixed connection of cylinder 16 are kept away from to the push rod, 17 bottom central point puts and is connected with attacks screw rod 8, bottom plate 10 is located and attacks screw rod 8 and set up the through-hole in the position.
Specifically, when the slewing mechanism for the tower crane is used, firstly, the base 11, the connecting seat 18 and the bottom plate 10 are transported to a proper position through the moving wheel 7, then the screw rod 6 which is turned on the bottom plate 10 is twisted, the screw rod 6 pushes the limiting plate 9 to move downwards until the limiting plate 9 is in close contact with the ground, then the air cylinder 16 and the second motor 17 are simultaneously started, the air cylinder 16 can push the second motor 17 to reciprocate up and down through the push rod, the second motor 17 can drive the attack screw 8 to rotate, and further the attack screw 8 can be driven to drill into the soil, so that the purpose of limiting the position of the device is achieved, when the device is started to be used, the first motor 15 is started, the first motor 15 can drive the second gear 4 to rotate through the output shaft, the second gear 4 can drive the first gear 3 to rotate, and the first gear 3 further drives the connecting seat 18 to rotate on the base 11, through the rotation of connecting seat 18 to be convenient for body of the tower 1 rotates, this a rotation mechanism for tower crane, reasonable in design has the advantage that stability is good.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (6)
1. The utility model provides a rotation mechanism for tower crane, includes body of the tower (1), bottom plate (10), base (11), box (2) and connecting seat (18), its characterized in that: the central position of the upper end face of the bottom plate (10) is fixedly connected with a base (11), the lower end face of the bottom plate (10) is fixedly provided with a moving wheel (7), the upper end face of the bottom plate (10) is in threaded connection with a lead screw (6), the bottom end of the lead screw (6) penetrates through the bottom plate (10) to be fixedly connected with a limiting plate (9), the central position of the upper end face of the base (11) is fixedly connected with a rotating shaft (14), one end, far away from the base (11), of the rotating shaft (14) is connected with a connecting seat (18), the connecting seat (18) is arranged right above the base (11), the central position of the upper end face of the connecting seat (18) is fixedly connected with a tower body (1), and the tower body (1) and the connecting;
the upper end face of the bottom plate (10) is also fixedly connected with a box body (2) and a motor shell (13), a first motor (15) is arranged in the motor shell (13), a plurality of groups of the box body (2) are arranged in parallel relatively, a first gear (3) is fixedly sleeved on the outer side of the connecting seat (18), and the first gear (3) is rotatably connected with a second gear (4);
the box body (2) is internally provided with an accommodating space, and the box body (2) is internally provided with a cylinder (16), a second motor (17) and an attack screw (8) respectively.
2. The slewing mechanism for the tower crane as claimed in claim 1, wherein: second gear (4) are located directly over motor casing (13), first motor (15) bottom and bottom plate (10) up end fixed connection, first motor (15) top is connected with the output shaft, and the output shaft passes motor casing (13) and second gear (4) lower terminal surface central point and puts fixed connection.
3. The slewing mechanism for the tower crane as claimed in claim 1, wherein: motor casing (13) one side fixedly connected with power (5), box (2) inside also is equipped with power (5), power (5) are equipped with the multiunit, power (5) respectively with first motor (15), second motor (17) and cylinder (16) electric connection.
4. The slewing mechanism for the tower crane as claimed in claim 1, wherein: the connecting seat (18) and the base (11) are arranged in parallel relatively, a ball (12) is further arranged between the connecting seat (18) and the base (11), a bearing is embedded and installed at the position where the rotating shaft (14) is located on the connecting seat (18), the bearing is sleeved on the rotating shaft (14), and the connecting seat (18) is rotatably connected with the base (11).
5. The slewing mechanism for the tower crane as claimed in claim 1, wherein: the first gear (3) is of a circular ring-shaped structure, the second gear (4) is of a circular plate-shaped structure, clamping teeth (19) are fixedly connected to the outer sides of the first gear (3) and the second gear (4), and the clamping teeth (19) on the first gear (3) and the clamping teeth (19) on the second gear (4) are arranged in a staggered mode.
6. The slewing mechanism for the tower crane as claimed in claim 1, wherein: the cylinder (16) are parallel relatively and are equipped with the multiunit, cylinder (16) bottom is connected with the push rod, and the one end and second motor (17) fixed connection of cylinder (16) are kept away from to the push rod, second motor (17) bottom central point puts and is connected with attacks screw rod (8), through-hole has been seted up to bottom plate (10) position in attacking screw rod (8) position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020163221.1U CN211688004U (en) | 2020-02-12 | 2020-02-12 | Slewing mechanism for tower crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020163221.1U CN211688004U (en) | 2020-02-12 | 2020-02-12 | Slewing mechanism for tower crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211688004U true CN211688004U (en) | 2020-10-16 |
Family
ID=72776770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020163221.1U Expired - Fee Related CN211688004U (en) | 2020-02-12 | 2020-02-12 | Slewing mechanism for tower crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211688004U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112357784A (en) * | 2021-01-14 | 2021-02-12 | 新乡纷呈机械科技有限公司 | Cantilever crane for workshop hoisting and use method thereof |
-
2020
- 2020-02-12 CN CN202020163221.1U patent/CN211688004U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112357784A (en) * | 2021-01-14 | 2021-02-12 | 新乡纷呈机械科技有限公司 | Cantilever crane for workshop hoisting and use method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201016 |
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| CF01 | Termination of patent right due to non-payment of annual fee |