CN210172957U - Automation equipment of large-scale nut top spin - Google Patents
Automation equipment of large-scale nut top spin Download PDFInfo
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- CN210172957U CN210172957U CN201920951391.3U CN201920951391U CN210172957U CN 210172957 U CN210172957 U CN 210172957U CN 201920951391 U CN201920951391 U CN 201920951391U CN 210172957 U CN210172957 U CN 210172957U
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- 239000010720 hydraulic oil Substances 0.000 claims abstract description 21
- 230000007246 mechanism Effects 0.000 claims description 6
- 238000009434 installation Methods 0.000 abstract description 17
- 230000033001 locomotion Effects 0.000 description 5
- 230000006872 improvement Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 240000009087 Crescentia cujete Species 0.000 description 2
- 235000005983 Crescentia cujete Nutrition 0.000 description 2
- 235000009797 Lagenaria vulgaris Nutrition 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000011295 pitch Substances 0.000 description 1
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- 230000001360 synchronised effect Effects 0.000 description 1
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Abstract
The utility model provides an automation equipment of large-scale nut top spin, the device includes: the nut screwing machine comprises a hydraulic oil cylinder (1), a bearing disc (2), a pneumatic motor (3), a lower supporting frame (4), a hydraulic station and a controller, wherein the controller can control the pneumatic motor and the hydraulic station to work, the bearing disc and the hydraulic oil cylinder are respectively driven by the pneumatic motor and the hydraulic station to move, so that a nut placed on the bearing disc is rotated upwards to complete the installation of the nut; the automation device for the upward rotation of the large nut has the advantages of simple structure, reasonable design, convenience in use, high nut installation quality and the like.
Description
Technical Field
The utility model discloses a technical field who relates to equipment is used in installation of large-scale nut top spin especially relates to an automation equipment for large-scale nut top spin.
Background
The nut installation operation is common installation operation in a ship rudder system, and the traditional nut installation operation under a rudder shaft is performed by using auxiliary tools such as a mechanical turntable, a chain block, manual rotation and the like.
The hoist and the steel wire are used in the traditional installation, the flexible connection is achieved, the accurate centering is difficult, the hoist or the winch is used for lateral pulling during upward screwing, the stress is uneven, and the screw threads are easy to damage. When the screw is screwed up, the screw teeth are not controlled, abnormal conditions occur, the screw teeth are difficult to know immediately, and the screw teeth are easy to damage due to the fact that no protective safety measures exist. And many people work in coordination aloft, which wastes time and labor, and the operation safety is difficult to ensure.
Therefore, how to guarantee quality, quickly and effectively carry out nut installation operation becomes a problem to be solved urgently at present.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model discloses an automation equipment of large-scale nut top spin to at least, solve prior art when carrying out the nut installation, be difficult to accurate alignment, the atress is uneven moreover, causes thread damage scheduling problem easily.
The utility model provides a technical scheme specifically does, an automation equipment of large-scale nut top spin, the device includes: the hydraulic system comprises a hydraulic oil cylinder 1, a bearing disc 2, a pneumatic motor 3, a lower support frame 4, a hydraulic station and a controller;
the hydraulic cylinder 1 comprises: a cylinder 11, a piston rod 12, and a positioning bolt 13;
one end of the piston rod 12 is positioned inside the cylinder body 11, and the other end is positioned outside the cylinder body 11;
the positioning bolt 13 is mounted on the upper end face of the cylinder body 11;
the carrier tray 2 includes: the hydraulic oil cylinder comprises a stator disc 21 and a rotor disc 22 rotatably mounted above the stator disc 21, wherein a first mounting hole and a second mounting hole which penetrate through the upper end and the lower end of the stator disc 21 and the rotor disc 22 are respectively formed in the stator disc 21 and the rotor disc 22, and the stator disc 21 and the rotor disc 22 are respectively sleeved outside a cylinder body 11 in the hydraulic oil cylinder 1 through the first mounting hole and the second mounting hole;
the pneumatic motor 3 is fixedly connected with a stator disc 21 in the carrier disc 2, and a power output end of the pneumatic motor 3 is in driving connection with a rotor disc 22 in the carrier disc 2, and the rotor disc 22 can rotate relative to the stator disc 21 under the driving of the pneumatic motor 3;
the lower support frame 4 is sleeved outside a cylinder body 11 and a piston rod 12 in the hydraulic oil cylinder 1, the upper end of the lower support frame 4 is fixedly connected with a stator disc 21 in the bearing disc 2, and the lower end of the lower support frame 4 is fixedly connected with the piston rod 12;
the hydraulic station is communicated with the hydraulic oil cylinder 1 through a pipeline;
the output end of the controller is respectively connected with the control end of the pneumatic motor 3 and the control end of the hydraulic station.
Preferably, fine adjustment mechanisms 211 are arranged on the upper surface of the stator disc 21 in the bearing disc 2 at intervals along the circumferential direction;
the fine adjustment mechanism 211 includes: the stator disc 21 is provided with an L-shaped connecting plate 2111 and a fine adjustment screw 2112, one side plate of the L-shaped connecting plate 2111 is fixedly connected with the stator disc 21, the other side plate of the L-shaped connecting plate 2111 extends upwards relative to the stator disc 21, a screw hole is formed in the side plate extending upwards in the L-shaped connecting plate 2111, and the fine adjustment screw 2112 is installed in the screw hole in a threaded mode.
Further preferably, hemispherical recesses 212 are uniformly distributed on the upper surface of the stator disc 21 in the carrier disc 2, and a ball 2121 is disposed in each hemispherical recess 212.
Further preferably, the controller is a PLC controller.
Further preferably, the lower support frame 4 is a conical frame body.
The utility model provides an automation equipment of large-scale nut top spin mainly comprises hydraulic cylinder, bears dish, pneumatic motor, lower part support frame, hydraulic pressure station and controller, and wherein, the work of steerable pneumatic motor of controller and hydraulic pressure station is born dish and hydraulic cylinder and is moved by pneumatic motor and hydraulic pressure station drive respectively, and then realizes placing the nut that bears on bearing the dish and carry out the top spin motion, accomplishes the installation of nut. Specifically, the automation device decomposes the screwing operation of the nut into two decomposition motions of lifting and rotation, wherein the lifting motion is realized by a hydraulic oil cylinder and is driven by a hydraulic station; the rotary motion is realized by bearing the dish, through pneumatic motor drive, and hydraulic pressure station and pneumatic motor are by controller synchronous control, and then realize that the nut rotates when rising, and then accomplish the installation of nut. Because the positioning bolt is arranged at the top of the cylinder body of the hydraulic oil cylinder, the positioning bolt can realize the fixed connection of the automation device and the rudder shaft on the one hand, and the positioning bolt can be freely replaced according to the different ship types on the other hand so as to be adapted to the rudder shafts of different types in different ship types and improve the universality of the automation device. This automation equipment all drives through pneumatic motor at the rotary drive in-process of nut, effectively solves the uneven problem of atress, and through the control of controller, can inject the rotatory moment of torsion of drive nut in certain threshold value within range in addition, in case meet the problem can in time stop the operation, avoid causing the damage of thread.
The utility model provides an automation equipment of large-scale nut top spin has advantages such as simple structure, reasonable in design, convenient to use, nut installation quality height.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural view of an automation device for upward screwing of a large nut according to an embodiment of the present disclosure;
fig. 2 is a schematic usage view of an automation device for upward screwing of a large nut according to an embodiment of the present disclosure.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus consistent with certain aspects of the invention, as detailed in the appended claims.
In order to solve prior art, when through adopting calabash, steel wire operation, accurate centering difficulty, when upwards screwing in addition, through calabash or hoist engine side-draw, there is the atress inequality, leads to screw thread damage scheduling problem easily. The embodiment provides a technical scheme for completing automatic upward screwing of a nut by adopting a mechanical structure, and specifically, referring to fig. 1, the automatic device for upward screwing of a large nut mainly comprises a hydraulic oil cylinder 1, a bearing plate 2, a pneumatic motor 3, a lower support frame 4, a hydraulic station and a controller, wherein the hydraulic oil cylinder 1 comprises a cylinder body 11, a piston rod 12 and a positioning bolt 13, one end of the piston rod 12 is positioned inside the cylinder body 11, the other end of the piston rod is positioned outside the cylinder body 11, the positioning bolt 13 is fixedly installed on the upper end face of the cylinder body 11, the bearing plate 2 mainly comprises a stator plate 21 and a rotor plate 22 rotatably installed above the stator plate 21, a first installation hole and a second installation hole penetrating through the upper end and the lower end are respectively arranged on the stator plate 21 and the rotor plate 22, and the stator plate 21 and the rotor plate 22 are respectively sleeved outside the cylinder body 11 in the hydraulic oil cylinder 1 through the first installation, the pneumatic motor 3 is fixedly connected with a stator disc 21 in the bearing disc 2, a power output end of the pneumatic motor 3 is in driving connection with a rotor disc 22 in the bearing disc 2, the rotor disc 22 can rotate relative to the stator disc 21 under the driving of the pneumatic motor 3, the lower support frame 4 is sleeved outside a cylinder body 11 and a piston rod 12 in the hydraulic oil cylinder 1, the upper end of the lower support frame 4 is fixedly connected with the stator disc 21 in the bearing disc 2, the lower end of the lower support frame 4 is fixedly connected with the piston rod 12, the hydraulic station is communicated with the hydraulic oil cylinder 1 through a pipeline, and an output end of the controller is respectively connected with a control end of the pneumatic motor 3 and a control end of the hydraulic station.
The working process of the automation device for screwing the large nut provided by the embodiment is as follows:
when the device is used, referring to fig. 2, the device is coaxially and fixedly connected with the lower end of a rudder shaft A through a positioning bolt, a nut B to be installed is placed on a bearing disc of the device and is in direct contact with a rotor disc, when the nut is required to be installed in an upward screwing mode, a hydraulic station is controlled through a controller to drive a piston rod to move back to the interior of a cylinder body, and in the process of recovering the piston rod, because a lower support frame is fixedly connected with the piston rod, the lower support frame and the piston rod synchronously move towards the direction (ascending) of the cylinder body to further drive the bearing disc to move upwards, the position of the nut is finely adjusted until the upper end of the nut is in contact with the lower end of the rudder shaft, so that after threads of the nut and the rudder shaft reach a matched relative position, a pneumatic motor and the hydraulic station are controlled through the controller to drive the rotor disc and a hydraulic oil cylinder, and screwing the nut onto the rudder shaft until the nut is screwed to a preset position, and finishing the installation.
The controller can set the maximum torque value for driving the nut to rotate upwards, when the preset maximum torque is reached, the nut can not be rotated, usually because the thread has a barrier or other problems, the controller can automatically control the pneumatic motor and the hydraulic station to stop working, and further avoid thread damage, such as tooth rolling and other problems, caused by the fact that the large torque is hard.
Because the upper end of nut and the lower extreme of rudder axle after the contact, still need to carry out the fine tuning of position to the nut to realize accurate centering and with the screw thread of spiral shell axle agree with, for the operation of this fine tuning of convenience, as the improvement of technical scheme, see fig. 1, the upper surface of stator dish 21 is provided with fine tuning mechanism 211 along circumference interval in bearing dish 2, take 4 as the example in the figure, above-mentioned fine tuning mechanism 211 includes: the stator disc 21 is provided with an L-shaped connecting plate 2111 and a fine adjustment screw 2112, wherein one side plate of the L-shaped connecting plate 2111 is fixedly connected with the stator disc 21, the other side plate of the L-shaped connecting plate 2111 extends upwards relative to the stator disc 21, a screw hole is formed in the side plate extending upwards in the L-shaped connecting plate 2111, and the fine adjustment screw 2112 is installed in the screw hole in a threaded mode. Through the structural design, the fine adjustment screw rod in the screw hole is screwed, the end part of the fine adjustment screw rod is abutted to the side wall of the nut, and the nut can be driven to perform fine adjustment on the position of the bearing plate.
In order to reduce the friction force applied to the rotor disc during the rotation motion relative to the stator disc under the driving of the pneumatic motor, as an improvement of the technical scheme, referring to fig. 1, hemispherical grooves 212 are uniformly distributed on the upper surface of the stator disc 21 in the bearing disc 2, a ball 2121 is arranged in each hemispherical groove 212, and the rotor disc is located above the ball, through the structural improvement, the sliding friction between the stator disc and the rotor disc can be replaced by rolling friction, so that the friction resistance applied to the stator disc and the rotor disc during the relative rotation is reduced, and the purpose of saving energy is achieved.
In order to realize that the controller can be suitable for the installation of nuts with different screw pitches, the controller can be selected as a PLC controller, and the programming is carried out according to actual needs.
In order to optimize the structure of the automatic device for screwing the large nut, as an improvement of the technical scheme, referring to fig. 1, the lower support frame 4 can be designed into a conical frame body form, so that the automatic arc device is lighter.
Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
It will be understood that the invention is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present invention is limited only by the appended claims.
Claims (5)
1. An automation device for upward screwing of a large nut is characterized by comprising: the hydraulic system comprises a hydraulic oil cylinder (1), a bearing disc (2), a pneumatic motor (3), a lower supporting frame (4), a hydraulic station and a controller;
the hydraulic oil cylinder (1) comprises: a cylinder body (11), a piston rod (12) and a positioning bolt (13);
one end of the piston rod (12) is positioned inside the cylinder body (11), and the other end of the piston rod is positioned outside the cylinder body (11);
the positioning bolt (13) is arranged on the upper end face of the cylinder body (11);
the carrier tray (2) comprises: the hydraulic oil cylinder comprises a stator disc (21) and a rotor disc (22) rotatably mounted above the stator disc (21), wherein a first mounting hole and a second mounting hole which penetrate through the upper end and the lower end of the stator disc (21) and the rotor disc (22) are respectively formed in the stator disc (21) and the rotor disc (22), and the stator disc (21) and the rotor disc (22) are respectively sleeved outside a cylinder body (11) in the hydraulic oil cylinder (1) through the first mounting hole and the second mounting hole;
the pneumatic motor (3) is fixedly connected with a stator disc (21) in the bearing disc (2), the power output end of the pneumatic motor (3) is in driving connection with a rotor disc (22) in the bearing disc (2), and the rotor disc (22) can rotate relative to the stator disc (21) under the driving of the pneumatic motor (3);
the lower support frame (4) is sleeved outside a cylinder body (11) and a piston rod (12) in the hydraulic oil cylinder (1), the upper end of the lower support frame (4) is fixedly connected with a stator disc (21) in the bearing disc (2), and the lower end of the lower support frame (4) is fixedly connected with the piston rod (12);
the hydraulic station is communicated with the hydraulic oil cylinder (1) through a pipeline;
the output end of the controller is respectively connected with the control end of the pneumatic motor (3) and the control end of the hydraulic station.
2. The automation device for the upward screwing of the large nut according to claim 1, characterized in that fine adjustment mechanisms (211) are arranged on the upper surface of the stator disc (21) in the bearing disc (2) at intervals along the circumferential direction;
the fine adjustment mechanism (211) includes: the stator disc structure comprises L-shaped connecting plates (2111) and fine adjustment screws (2112), one side plate of each L-shaped connecting plate (2111) is fixedly connected with the corresponding stator disc (21), the other side plate of each L-shaped connecting plate (2111) extends upwards relative to the corresponding stator disc (21), screw holes are formed in the side plates extending upwards in the L-shaped connecting plates (2111), and the fine adjustment screws (2112) are installed in the screw holes in a threaded mode.
3. The automation device for the upward screwing of the large nut as claimed in claim 1, characterized in that the bearing disc (2) is provided with hemispherical grooves (212) on the upper surface of the stator disc (21), and each hemispherical groove (212) is provided with a ball (2121).
4. The automation device for screwing a large nut as claimed in claim 1, wherein the controller is a PLC controller.
5. The automation device for upward screwing of the large nut as claimed in claim 1, wherein the lower supporting frame (4) is a cone-shaped frame body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920951391.3U CN210172957U (en) | 2019-06-24 | 2019-06-24 | Automation equipment of large-scale nut top spin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920951391.3U CN210172957U (en) | 2019-06-24 | 2019-06-24 | Automation equipment of large-scale nut top spin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210172957U true CN210172957U (en) | 2020-03-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920951391.3U Withdrawn - After Issue CN210172957U (en) | 2019-06-24 | 2019-06-24 | Automation equipment of large-scale nut top spin |
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| Country | Link |
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| CN (1) | CN210172957U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110170828A (en) * | 2019-06-24 | 2019-08-27 | 大连中远海运川崎船舶工程有限公司 | A kind of automation equipment revolved on large-scale nut |
-
2019
- 2019-06-24 CN CN201920951391.3U patent/CN210172957U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110170828A (en) * | 2019-06-24 | 2019-08-27 | 大连中远海运川崎船舶工程有限公司 | A kind of automation equipment revolved on large-scale nut |
| CN110170828B (en) * | 2019-06-24 | 2024-04-02 | 大连中远海运川崎船舶工程有限公司 | Automatic device for upward screwing of large nut |
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Granted publication date: 20200324 Effective date of abandoning: 20240402 |
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| AV01 | Patent right actively abandoned |
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| AV01 | Patent right actively abandoned |