CN212127321U

CN212127321U - Port portal crane rotating device

Info

Publication number: CN212127321U
Application number: CN202020653051.5U
Authority: CN
Inventors: 陈浩兴
Original assignee: WUXI XIEXING PORT MACHINERY CO Ltd
Current assignee: WUXI XIEXING PORT MACHINERY CO Ltd
Priority date: 2020-04-26
Filing date: 2020-04-26
Publication date: 2020-12-11
Anticipated expiration: 2030-04-26

Abstract

The utility model discloses a harbour high pedestal jib crane rotary device, the power distribution box comprises a box body, box one side inner wall has the bearing mount pad through the bolt fastening, and installs the ring flange that has the belt groove in the bearing mount pad, fixed mounting has a location section of thick bamboo and a plurality of piston cylinder on the ring flange, all includes the piston rod in every piston cylinder, and piston rod top fixed mounting has the rotation platform, the interlude has the lead screw in the ring flange, and the bottom key-type connection of lead screw has the second helical gear, and lead screw top threaded connection has a top section of thick bamboo. The utility model discloses first motor work, first helical gear and second helical gear intermeshing, and then the lead screw that makes rotates fast, consequently, relative movement can take place for the apical cylinder to upwards rise, and then produce the effort of a jack-up to rotating platform, at this moment, rotating platform receives ascending power, consequently pulls out the piston rod from the piston cylinder in, accomplishes the altitude mixture control work of device.

Description

Port portal crane rotating device

Technical Field

The utility model relates to a harbour portal crane technical field especially relates to a harbour portal crane rotary device.

Background

The gantry crane is usually operated along a crane rail on the ground or a building to perform a lifting, loading and unloading operation. The crane with the portal seat in the shape of the Chinese character 'men' is called a half portal crane, one side of the running track of the crane is arranged on the ground, the other side of the running track of the crane is arranged on a building higher than the ground, and the crane can work by utilizing a rotating device on a base, however, various portal crane rotating devices in the market still have various problems.

Some portal crane rotating device devices exist in the market at present, but the devices still have some defects in design, for example, some portal crane rotating devices cannot solve the problem of height adjustment of the rotating device and cannot meet the use requirements of people. Therefore, the rotating device of the port portal crane is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a rotating device of a port portal crane.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a rotating device of a port portal crane comprises a box body, wherein a bearing mounting seat is fixed on the inner wall of one side of the box body through a bolt, a flange plate with a belt groove is arranged in the bearing mounting seat, a positioning cylinder and a plurality of piston cylinders are fixedly arranged on the flange plate, a piston rod is arranged in each piston cylinder, a rotating platform is fixedly arranged at the top end of each piston rod, a lead screw is inserted in the flange plate in a penetrating way, the bottom end of the lead screw is in key connection with a second helical gear, the top end of the lead screw is in threaded connection with a top cylinder, a second motor is fixed on the outer wall of one side of the box body, a transmission wheel is welded at the top end of the output shaft of the second motor, a belt is transmitted and connected between the transmission wheel and the belt groove of the flange plate, a supporting plate is fixed on the outer wall of one side of the box body, and the outer wall of the top of the supporting plate is fixed with a first motor, one end of an output shaft of the first motor is connected with a rotating shaft through a coupler, and one end of the rotating shaft, which is positioned in the box body, is connected with a first helical gear in a key mode.

Furthermore, the outer wall of one side of the top cylinder is sleeved with a piston ring, and the piston ring slides up and down in the positioning cylinder.

Further, the bottom end of the box body is fixedly provided with a connecting plate through a bolt, and the bottom end of the connecting plate is fixedly provided with a base through a bolt.

Further, the rotary platform top has a protection casing through bolt fixed mounting, and the protection casing bottom still has the balancing weight through bolt fixed mounting.

Further, the lead screw is located in the positioning cylinder.

Further, the top cylinder is located right below the rotating platform.

Further, the first helical gear and the second helical gear form a gear mesh.

The utility model has the advantages that:

1. through the setting of screw and the mutual complex of a top section of thick bamboo, first motor work, first helical gear and second helical gear intermeshing, and then the screw that makes rotate fast, consequently, relative movement can take place for a top section of thick bamboo to upwards rise, and then produce the effort of a jack-up to rotating platform, at this moment, rotating platform receives ascending power, consequently pulls out the piston rod from the piston cylinder, accomplishes the altitude mixture control work of device.

2. Through the setting of piston ring gliding from top to bottom in a location section of thick bamboo, the piston ring outer wall is smooth oily moist, and the friction is less when sliding from top to bottom in a location section of thick bamboo, can not take place to rock when the top section of thick bamboo that makes rises, provides the effect of a location direction for the device.

3. Through the setting of ring flange and transfer gear mutually supporting, the work of second motor, the ring flange begins to rotate under the drive of belt, and then the rotation platform that makes begins to rotate, has accomplished the work that turns to of device, and the device practicality of messenger is higher.

Drawings

Fig. 1 is a schematic sectional structural view of a box body of a rotating device of a port portal crane provided by the utility model;

fig. 2 is a schematic perspective view of a rotating device of a port portal crane according to the present invention;

fig. 3 is a schematic side view of a rotating device of a port portal crane according to the present invention;

fig. 4 is a schematic view of an enlarged structure of a sectional view of the inside of the box body of the rotating device of the harbor portal crane provided by the present invention;

fig. 5 is the utility model provides a box side section structure schematic diagram of harbour portal crane rotary device.

In the figure: 1. a box body; 2. a balancing weight; 3. rotating the platform; 4. a connecting plate; 5. a base; 6. a support plate; 7. a first motor; 8. a piston ring; 9. a top cylinder; 10. a lead screw; 11. a transfer wheel; 12. a bearing mount; 13. a second motor; 14. a first helical gear; 15. a second helical gear; 16. a rotating shaft; 17. a second gear; 18. a positioning cylinder; 19. a piston cylinder; 20. a piston rod; 21. a shield.

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. 1-5, a rotating device for a port portal crane comprises a box body 1, a bearing mounting seat 12 is fixed on the inner wall of one side of the box body 1 through bolts, a flange 17 with a belt groove is installed in the bearing mounting seat 12, the flange 17 can freely rotate on the bearing mounting seat 12, a positioning cylinder 18 and a plurality of piston cylinders 19 are fixedly installed on the flange 17, a piston rod 20 is included in each piston cylinder 19, a rotating platform 3 for bearing is fixedly installed at the top end of the piston rod 20 through bolts, a bearing is embedded in the flange 17, a lead screw 10 is inserted in the inner wall of the bearing, one end of the lead screw 10 penetrating through the flange 17 is located in the positioning cylinder 18, a second bevel gear 15 is connected to the bottom end of the lead screw 10 in a key mode, a top cylinder 9 is connected to the top end of the lead screw 10 in a threaded mode, the top cylinder 9 is located under the rotating platform 3, thereby rising upwards, and further generating a jacking acting force on the rotating platform 3, the outer wall of one side of the top barrel 9 is sleeved with the piston ring 8, and the piston ring 8 slides up and down in the positioning barrel 18, so that the top barrel 9 does not shake when rising, and a positioning and guiding effect is provided for the device, the outer wall of one side of the box body 1 is fixed with the second motor 13 through bolts, the top end of the output shaft of the second motor 13 is welded with the transmission wheel 11, a belt is transmitted and connected between the transmission wheel 11 and the belt groove of the flange plate 17, the second motor 13 works, the flange plate 17 starts to rotate under the driving of the belt, so that the rotating platform 3 starts to rotate, the steering work of the device is completed, the outer wall of one side of the box body 1 is fixed with the supporting plate 6 through bolts, the outer wall of the top of the supporting plate 6 is fixed with the first motor 7 through bolts, the pivot 16 is located the one end key-type connection of box 1 and has first helical gear 14, first helical gear 14 forms gear engagement with second helical gear 15, first motor 7 works, first helical gear 14 and second helical gear 15 intermeshing, and then the lead screw 10 that makes rotates fast, therefore, the ejector sleeve 9 can take place relative movement, thereby upwards rise, and then produce the effort of a jack-up to revolving platform 3, and, piston ring 8 on the outer wall of ejector sleeve 9 slides from top to bottom in location section of thick bamboo 18, can not take place to rock when the ejector sleeve 9 that makes rises, the effect of a location direction is provided for the device, at this moment, revolving platform 3 receives ascending power, consequently, pull out piston rod 20 from piston cylinder 19 in, accomplish the altitude mixture control work of device.

In addition, 1 bottom of box has connecting plate 4 through bolt fixed mounting, and 4 bottoms of connecting plate have base 5 through bolt fixed mounting, and 3 tops of rotating platform have protection casing 21 through bolt fixed mounting, and protection casing 21 bottom still has balancing weight 2 through bolt fixed mounting, and the prevention device produces the slope.

The working principle of the embodiment is as follows: when the device is used, the device is externally connected with a power supply, the first motor 7 works, the first bevel gear 14 is meshed with the second bevel gear 15, the lead screw 10 is enabled to rotate quickly, and therefore the top cylinder 9 can move relatively and rises upwards to generate a jacking acting force on the rotating platform 3, the piston ring 8 on the outer wall of the top cylinder 9 slides up and down in the positioning cylinder 18, the top cylinder 9 cannot shake when rising, a positioning and guiding effect is provided for the device, at the moment, the rotating platform 3 bears an upward force, the piston rod 20 is pulled out of the piston cylinder 19 to complete height adjustment of the device, in addition, the second motor 13 works, the flange 17 starts to rotate under the driving of a belt, and further the rotating platform 3 starts to rotate, and steering work of the device is completed.

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 design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.

Claims

1. The port portal crane rotating device comprises a box body (1) and is characterized in that a bearing mounting seat (12) is fixed on the inner wall of one side of the box body (1) through bolts, a flange plate (17) with a belt groove is installed in the bearing mounting seat (12), a positioning cylinder (18) and a plurality of piston cylinders (19) are fixedly installed on the flange plate (17), a piston rod (20) is arranged in each piston cylinder (19), a rotating platform (3) is fixedly installed at the top end of the piston rod (20), a lead screw (10) is inserted in the flange plate (17), a second helical gear (15) is connected with the bottom end key of the lead screw (10), a top cylinder (9) is connected with the top end of the lead screw (10), a second motor (13) is fixed on the outer wall of one side of the box body (1), and a transmission wheel (11) is welded at the top end of an output shaft of the second, a belt is connected between the belt grooves of the conveying wheel (11) and the flange plate (17), a supporting plate (6) is fixed on the outer wall of one side of the box body (1), a first motor (7) is fixed on the outer wall of the top of the supporting plate (6), one end of an output shaft of the first motor (7) is connected with a rotating shaft (16) through a coupling, and one end of the rotating shaft (16) located in the box body (1) is connected with a first helical gear (14) through a key.

2. The port portal crane rotating device is characterized in that a piston ring (8) is sleeved on the outer wall of one side of the top cylinder (9), and the piston ring (8) slides up and down in the positioning cylinder (18).

3. The port portal crane rotating device as claimed in claim 1, wherein the bottom end of the box body (1) is fixedly provided with a connecting plate (4) through a bolt, and the bottom end of the connecting plate (4) is fixedly provided with a base (5) through a bolt.

4. The port portal crane rotating device as claimed in claim 1, wherein the top end of the rotating platform (3) is fixedly provided with a protective cover (21) by a bolt, and the bottom end of the protective cover (21) is fixedly provided with a balancing weight (2) by a bolt.

5. Harbour gate stand crane turning arrangement according to claim 1, characterised in that the lead screw (10) is located in a positioning cylinder (18).

6. Harbour gate stand crane turning arrangement according to claim 1, characterised in that the top barrel (9) is located directly below the turning platform (3).

7. Harbour gate stand crane turning arrangement according to claim 1, characterised in that the first bevel gear (14) is in gear engagement with the second bevel gear (15).