CN213592199U - Multi-working-head synchronous bolt insertion machine for reactor pressure vessel - Google Patents
Multi-working-head synchronous bolt insertion machine for reactor pressure vessel Download PDFInfo
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- CN213592199U CN213592199U CN202022326412.8U CN202022326412U CN213592199U CN 213592199 U CN213592199 U CN 213592199U CN 202022326412 U CN202022326412 U CN 202022326412U CN 213592199 U CN213592199 U CN 213592199U
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Abstract
The utility model discloses a multiplex head synchronous bolt planting machine for reactor pressure vessel, which comprises a plurality of main bolt screwing units with the same function, a control device and a positioning bracket, wherein the main bolt screwing units are connected with the control device and are arranged on the positioning bracket; compared with the prior art, each main bolt screwing unit can independently screw a main bolt and can be combined randomly to synchronously screw a plurality of main bolts, so that the working efficiency is improved by multiple times compared with the single-time screwing of one main bolt, the opening/closing time of the reactor pressure vessel is greatly reduced, and the labor intensity of operators is reduced; simultaneously can be according to king bolt quantity, the rotatory unit quantity of twisting of reasonable setting distribution king bolt to adapt to different reactor pressure vessel operating modes, realize the utility model discloses a purpose.
Description
Technical Field
The utility model relates to a machine is planted to synchronous bolt of multiplex work head, in particular to machine is planted to synchronous bolt of multiplex work head for reactor pressure vessel.
Background
In the prior art, an automatic rotation and balance integrated special machine for a civil nuclear main bolt is disclosed, which comprises an upper frame body, an air cylinder, a lower frame body, a moving platform, a gas distribution device, a pneumatic motor, a magnet, a connector, a torque limiter, an adapter and a pneumatic pipeline; the connector comprises a support plate and a nut, the support plate is fixedly connected with the output end of the pneumatic motor through the torque limiter, the upper end of the nut is fixedly connected with the support plate, and the outer wall of the nut is in sliding connection with the through hole through a bearing.
The device is matched with a single drawing machine for use, only one main bolt can be inserted or screwed out at one time, the operation amount is large, the efficiency is low, and the time for occupying a critical path for opening/closing the cover of the reactor pressure vessel is long.
In the prior art, a bolt screwing robot is disclosed, which includes a main body frame, a control device, a rotation driving device, a vertical driving device, and a screwing arm, wherein the rotation driving device and the vertical driving device are disposed on the main body frame, and the rotation driving device and the vertical driving device are connected to the control device; the rotary driving device is connected to the vertical driving device and is driven by the vertical driving device to vertically move, the screwing arm is vertically arranged, and the screwing arm is connected to the output end of the rotary driving device. The utility model discloses a bolt revolves robot, controlling means control rotary driving device and vertical drive arrangement synchronization action for revolve to revolve and revolve to revolve the arm and revolve to revolve and revolve main bolt, realize that the bolt revolves to revolve and revolve the robot operation main bolt and twist into or screw hole.
The device is matched with an integral stretcher for use, and the integral stretcher cannot meet the requirement of opening/closing the cover of the reactor pressure vessel under the working condition of AP series integrated top covers.
The bolt insertion machine in the prior art can only be used with an integral stretching machine or a single stretching machine. Adopt whole bolt stretcher can not adapt to reactor pressure vessel's under AP series integration top cap operating mode the needs of opening/close lid, adopt monomer bolt stretcher to carry out reactor pressure vessel's the operation of opening/close lid, critical path takes up time long, complex operation, and personnel's amount of labour is big, and work efficiency is low.
Therefore, there is a need for a multiple-head synchronous bolt-inserting machine for a reactor pressure vessel that solves the above-mentioned problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a machine is planted to synchronous bolt of multiplex head of working for reactor pressure vessel, to prior art's not enough, uses with the cooperation of full synchronous bolt stretcher of split type, can adapt to the reactor pressure vessel of AP series integration top cap operating mode.
The utility model provides a technical problem can adopt following technical scheme to realize:
a multi-working-head synchronous bolt inserting machine for a reactor pressure vessel is characterized by comprising a plurality of main bolt screwing units with the same function, a control device and a positioning bracket, wherein the main bolt screwing units and the control device are connected with each other and are arranged on the positioning bracket.
In one embodiment of the present invention, the main bolt screwing unit comprises a main bolt rotation driving device, a main bolt suspension device and a main bolt vertical driving device, wherein the main bolt suspension device is connected to the output end of the main bolt rotation driving device and is installed on the main bolt vertical driving device.
Furthermore, the main bolt rotation driving device is provided with a servo motor for controlling the rotating speed and the torque of the main bolt in the screwing process and protecting the threads from being damaged.
Furthermore, the main bolt suspension device is provided with a two-degree-of-freedom self-adaptive floating platform which is used for self-adaptive centering of the main bolt and the main screw hole in the main bolt connection and screwing process, and prevents additional torque from generating to damage threads in the main bolt rotation process.
Furthermore, the main bolt vertical driving device has a load balancing function, is used for controlling the driving force and the weight balance of the axial movement of the main bolt in the screwing process of the main bolt, and effectively reduces the positive pressure on the surface of the thread.
Furthermore, the main bolt vertical driving device is provided with a mechanical brake, and when the vertical driving device loses power, the vertical driving device is locked to prevent the main bolt from falling.
In an embodiment of the present invention, the control device is used for parameter setting, operation control, function selection, data acquisition and storage of the main bolt screwing unit.
In an embodiment of the present invention, the positioning bracket includes a bracket and a positioning device, the bracket is used for installing and fixing a plurality of main bolt screwing units and control devices with the same function; the positioning device is arranged at the bottom of the support, can be manually operated to lock and release, and is used for accurately positioning the main bolt planting machine, aligning the bolt planting machine with a threaded hole of the reactor pressure vessel, and keeping the position of the main bolt in a screwing process fixed.
Compared with the prior art, each main bolt screwing unit can independently screw the main bolt, can also be combined randomly, synchronously screw a plurality of main bolts, and improves the working efficiency by multiple times compared with the single screwing of one main bolt, thereby greatly reducing the cover opening/closing time of the reactor pressure vessel and reducing the labor intensity of operators; simultaneously can be according to king bolt quantity, the rotatory unit quantity of twisting of reasonable setting distribution king bolt to adapt to different reactor pressure vessel operating modes, realize the utility model discloses a purpose.
The features of the present invention will be apparent from the accompanying drawings and from the detailed description of the preferred embodiments which follows.
Drawings
Fig. 1 is a schematic structural diagram of a multi-working-head synchronous bolt insertion machine for a reactor pressure vessel according to the present invention;
fig. 2 is a schematic structural view of the main bolt screwing unit according to the present invention.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand and understand, the present invention is further explained by combining with the specific drawings.
Examples
As shown in fig. 1 and 2, the multi-head synchronous bolt inserting machine for a reactor pressure vessel of the present invention includes 4 main bolt screwing units 100 with the same function, a control device 200 and a positioning bracket 300, wherein the main bolt screwing unit 100 is connected to the control device 200 and is installed on the positioning bracket 300.
As shown in fig. 2, the main bolt screwing unit 100 includes a main bolt rotation driving device 110, a main bolt suspension device 120, and a main bolt vertical driving device 130. The kingbolt suspension 120 is coupled to an output end of the kingbolt rotation drive 110 and is mounted on a kingbolt vertical drive 130.
The main bolt rotation driving means 110 is provided with a servo motor for driving the main bolt to rotate and controlling the rotation speed and torque of the main bolt.
Kingbolt suspension 120 includes an adaptive floating platform 121 and a kingbolt drive coupling 122. The main bolt driving connector 122 has one end connected to the output end of the main bolt rotation driving device 110 and the other end for connecting to the main bolt. Main bolt rotation drive 110 is fixedly mounted on adaptive floating platform 121. Adaptive floating platform 121 is mounted on a king bolt vertical drive 130. Self-adaptive floating platform 121 can self-adaptively center the main bolt and the main bolt hole during the screwing process of the main bolt, and prevent additional torque from generating to damage threads during the rotation process of the main bolt.
The kingbolt vertical driving apparatus 130 includes a base 131, a linear guide 132, a stopper 133, and a driving cylinder 134, the linear guide 132 and the driving cylinder 133 being mounted on the base 131, and the kingbolt suspension 120 being mounted on a slider of the linear guide 132. The driving cylinder 133 is connected to the main bolt suspension 120, and has a load balancing function for driving force control and weight balance control of the axial movement of the main bolt during the screwing process of the main bolt, thereby effectively reducing the positive pressure on the threaded surface. The stopper 133 is installed on the linear guide 132 and connected to the main bolt hanger 120, and as it moves vertically, when the driving cylinder 133 loses power, the stopper 133 is locked to prevent the main bolt hanger 120 and the main bolt from falling.
The control device 200 is used for parameter setting, operation control, function selection, data acquisition and storage of the main bolt screwing unit.
The positioning bracket 300 is provided with a positioning device 310, and the positioning device 310 is arranged at the bottom of the positioning bracket 300, can be manually operated to lock and release, and is used for accurately positioning the main bolt embedding machine, aligning the bolt embedding machine with a threaded hole of the reactor pressure vessel, and keeping the position of the main bolt in the screwing process fixed.
The working mode of the multi-working-head synchronous bolt planting machine for the reactor pressure vessel of the present invention is further described as follows:
and hoisting the multi-working-head synchronous bolt insertion machine to the position above the main bolt of the reactor pressure vessel top cover, and locking the positioning device 310 to enable the bolt insertion machine to be aligned and fixed with the threaded hole of the reactor pressure vessel. And the power supply and the air source of the control device 200 are connected, the function is selected, and the parameter value is set. The main bolt driving connector 122 is connected with the main bolt, the driving cylinder 133 lifts the main bolt, the driving force and the weight balance of the axial movement of the main bolt are controlled, and the positive pressure of the thread surface is effectively reduced. The main bolt rotation driving device 100 drives the main bolt driving connector 122 to rotate, so as to drive the main bolt to rotate, and the main bolt rotation driving device 100 can control the rotation speed, the torque and the rotation direction of the main bolt. Self-adaptation floating platform 121 can make the main bolt and main screw hole self-adaptation centering in the main bolt revolves the process of screwing, prevents to produce additional moment and leads to damaging the screw thread in the main bolt rotation process. The main bolt rotation driving device 110 is cooperatively matched with the adaptive floating platform 121 and the driving cylinder 133 to control the rotating speed, the torque and the axial resultant force of the main bolt in the screwing process to be within a set range, so that the main bolt is effectively protected from being damaged.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended to illustrate the principles of the invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined by the appended claims and their equivalents.
Claims (8)
1. A multi-working-head synchronous bolt inserting machine for a reactor pressure vessel is characterized by comprising a plurality of main bolt screwing units with the same function, a control device and a positioning bracket, wherein the main bolt screwing units and the control device are connected with each other and are arranged on the positioning bracket.
2. The multiple-head synchronous bolt-inserting machine for a reactor pressure vessel according to claim 1, wherein the main bolt-screwing unit comprises a main bolt rotation driving means, a main bolt suspension means, and a main bolt vertical driving means, the main bolt suspension means being connected to an output end of the main bolt rotation driving means and being installed on the main bolt vertical driving means.
3. The multiple-head synchronous bolt implanter for a reactor pressure vessel as defined in claim 2, wherein the main bolt rotation driving device is provided with a servo motor for controlling a rotation speed and a torque during the main bolt screwing process to protect threads from being damaged.
4. The multiple-head synchronous bolt-inserting machine for a reactor pressure vessel as claimed in claim 2, wherein the main bolt suspension device is provided with a two-degree-of-freedom adaptive floating platform for adaptive centering of the main bolt and the main screw hole during the main bolt connection and screwing process, preventing additional torque from being generated to damage the screw thread during the rotation of the main bolt.
5. The multiple-head synchronous bolt-planting machine for reactor pressure vessels according to claim 2, wherein the vertical driving means of the main bolt has a load balancing function for driving force control and weight balancing control of the axial movement of the main bolt during the screwing of the main bolt, which effectively reduces the positive pressure on the threaded surface.
6. The multiple-head synchronous bolt implanter for reactor pressure vessels of claim 2, wherein the main bolt vertical driving apparatus is provided with a mechanical stopper for locking the vertical driving apparatus to prevent the main bolt from falling when the vertical driving apparatus loses power.
7. The multiple-head synchronous bolt-inserting machine for reactor pressure vessels as claimed in claim 1, wherein the control device is used for parameter setting, operation control, function selection, data acquisition and storage of the main bolt-screwing unit.
8. The multiple-head synchronous bolt-inserting machine for reactor pressure vessels according to claim 1, wherein the positioning bracket comprises a bracket and a positioning device, the bracket is used for installing and fixing a plurality of main bolt screwing units and control devices with the same function; the positioning device is arranged at the bottom of the support, can be manually operated to lock and release, and is used for accurately positioning the main bolt planting machine, aligning the bolt planting machine with a threaded hole of the reactor pressure vessel, and keeping the position of the main bolt in a screwing process fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022326412.8U CN213592199U (en) | 2020-10-19 | 2020-10-19 | Multi-working-head synchronous bolt insertion machine for reactor pressure vessel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022326412.8U CN213592199U (en) | 2020-10-19 | 2020-10-19 | Multi-working-head synchronous bolt insertion machine for reactor pressure vessel |
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| CN213592199U true CN213592199U (en) | 2021-07-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112171256A (en) * | 2020-10-19 | 2021-01-05 | 上海核工程研究设计院有限公司 | Multi-working-head synchronous bolt insertion machine for reactor pressure vessel |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112171256A (en) * | 2020-10-19 | 2021-01-05 | 上海核工程研究设计院有限公司 | Multi-working-head synchronous bolt insertion machine for reactor pressure vessel |
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Address after: No. 29 Hong Cao Road, Xuhui District, Shanghai Patentee after: Shanghai Nuclear Engineering Research and Design Institute Co.,Ltd. Patentee after: Beijing Raymond Saibo nuclear equipment technology research Co.,Ltd. Address before: No. 29 Hong Cao Road, Xuhui District, Shanghai Patentee before: SHANGHAI NUCLEAR ENGINEERING RESEARCH & DESIGN INSTITUTE Co.,Ltd. Patentee before: BEIJING RAYMOND-CBE MECHANICAL & ELECTRIC TECH. CO.,LTD. |