CN212886551U

CN212886551U - Ship stern shaft tube boring detection device

Info

Publication number: CN212886551U
Application number: CN202021474211.6U
Authority: CN
Inventors: 郭爱民; 黎开来; 刘登耀
Original assignee: Zigui Huaxing Shipping Co ltd
Current assignee: Zigui Huaxing Shipping Co ltd
Priority date: 2020-07-23
Filing date: 2020-07-23
Publication date: 2021-04-06
Anticipated expiration: 2030-07-23

Abstract

The utility model provides a boats and ships stern central siphon bore hole detection device, includes the boring machine, the boring machine includes boring axle, motor power, feed screw, knife rest, feed motor and adjustment support, be equipped with the fixedly connected with bracing piece in knife rest boring cutter mounting hole, install the electron percentage table on the bracing piece, the electron percentage table measuring head supports and leans on the bore hole inner wall, install the electric box on the knife rest, be equipped with power and wireless data acquisition module in the electric box, still include the computer, be connected with Zigbee signal receiver on the computer, Zigbee signal receiver and wireless data acquisition module wireless connection. The utility model is used for solve the inconvenient and low problem of measurement accuracy of current percentage table measurement boats and ships stern axle bore hole circle run-out and straightness accuracy.

Description

Ship stern shaft tube boring detection device

Technical Field

The utility model relates to a boats and ships stern central siphon bore hole detection device.

Background

Before the stern shaft of the ship is assembled, the pipe hole of the stern shaft of the ship needs to be bored so as to ensure that the straightness of the ship shaft system meets the requirement, when the hole of the stern shaft is bored, the boring rod can generate certain elastic deformation under the action of cutting force, or the deflection deformation generated by the self weight of the boring bar leads the shaft tube hole cut by the boring bar to be incapable of reaching the designed theoretical size, in order to judge whether the shaft tube hole processed by the boring bar is in the allowable error range, therefore, after the shaft tube hole is processed, the roundness and cylindricity of the shaft tube hole need to be measured, the current measuring mode is that a worker uses a dial indicator or a micrometer to measure, because the bore hole of the stern tube is slender, the hand can not extend into the middle part of the bore hole, so that the dial indicator is not very inconvenient to move, erect and observe, and the precision of the hundred percent measurement data is poor, in particular to the measurement of the middle position of the tube hole of the stern shaft.

Disclosure of Invention

The to-be-solved technical problem of the utility model is to provide a boats and ships stern shaft pipe bore hole detection device for solve the problem that current percentage table measurement boats and ships stern shaft bore hole circle is beated and straightness accuracy is inconvenient and measurement accuracy is low.

In order to solve the above problem, the to-be-solved technical scheme of the utility model is:

the utility model provides a boats and ships stern central siphon bore hole detection device, includes the boring machine, the boring machine includes boring axle, motor power, feed screw, knife rest, feed motor and adjustment support, be equipped with the fixedly connected with bracing piece in knife rest boring cutter mounting hole, install the electron percentage table on the bracing piece, the electron percentage table measuring head supports and leans on the bore hole inner wall, install the electric box on the knife rest, be equipped with power and wireless data acquisition module in the electric box, still include the computer, be connected with Zigbee signal receiver on the computer, Zigbee signal receiver and wireless data acquisition module wireless connection.

The photoelectric switches are uniformly distributed around the boring bar shaft, contact pieces are connected to the boring bar shaft and sequentially trigger the photoelectric switches along with the rotation of the boring bar shaft, the photoelectric switches are connected with a controller, the photoelectric switches are connected with the input end of the controller, and the computer is connected with the controller.

Install the laser deflector on the electric box, install laser range finding sensor on adjusting the support, laser range finding sensor connection controller input.

One end of the contact piece is adsorbed on the boring shaft through a magnet.

The utility model has the advantages that: it is rotatory at boats and ships stern central siphon bore hole from taking boring gang shaft drive electron percentage table through the boring machine, in the rotation, the computer passes through wireless data acquisition module and Zigbee signal receiver real-time receipt electron percentage table measured data to record and handle data, obtain the processing deviation of bore hole each point through data, the staff processes the stern shaft through the deviation, makes stern shaft bore hole meet the requirements, and is visible the utility model discloses can be convenient, quick detect the bore hole to detect data is comprehensive, and it is high to detect the precision.

Drawings

The invention will be further explained with reference to the drawings:

FIG. 1 is a schematic sectional view of the present invention,

figure 2 is a schematic sectional structure of the present invention,

FIG. 3 is a schematic left-side sectional view of the present invention,

FIG. 4 is a schematic view of the enlarged partial structure of the present invention,

FIG. 5 is a schematic view of the enlarged partial structure of the present invention,

FIG. 6 is a schematic diagram showing the connection relationship between the electric devices of the present invention,

figure 7 is a schematic representation of the points measured by the electronic dial indicator and recorded in the table,

FIG. 8 is a schematic perspective view of the computer drawing data from the table of FIG. 7.

In the figure: the device comprises a power motor 1, an adjusting bracket 2, a photoelectric switch 3, a contact piece 4, a boring bar shaft 5, a feed screw 6, an electronic dial indicator 7, a support rod 8, a laser reflection plate 9, a feed motor 10, a laser ranging sensor 11, an electric box 12, a knife rest 13 and a magnet 14.

Detailed Description

As shown in fig. 1 to 4, a ship stern tube boring detection device comprises a boring machine, the boring machine comprises a boring shaft 5, a power motor 1, a feed screw 6, a tool rest 13, a feed motor 10 and an adjusting bracket 2, a support rod 8 is fixedly connected in a boring tool mounting hole of the tool rest 13, the size of the support rod 8 is consistent with that of a boring tool guide rod, an electronic dial indicator 7 is mounted on the support rod 8, the electronic dial indicator 7 abuts against the inner wall of a measuring head, an electric box 12 is mounted on the tool rest 13, a power supply and a wireless data acquisition module are arranged in the electric box 12, the boring machine further comprises a Zigbee computer, a Zigbee signal receiver is connected to the Zigbee computer, the Zigbee signal receiver is wirelessly connected to the wireless data acquisition module, the computer is a notebook computer, the wireless data acquisition module acquires data measured by the electronic dial indicator 7 and transmits the acquired data to the notebook computer through a Zigbee wireless network, and the software data processing module on the notebook computer processes and stores the acquired real-time data.

The utility model discloses a use method does: after the boring machine finishes boring the stern shaft, workers clean scrap iron in the boring hole, remove the boring cutter, assemble the support rod 8 on the cutter frame 13, adjust the position of the electronic dial indicator 7, set the electronic dial indicator 7 to zero, then start the boring machine, drive the cutter frame 13 by the feed screw 6, slowly rotate the boring extrusion drive cutter frame 13 for one circle at the rotating speed of 5R/min, record data every 4S by the computer until the whole stern shaft boring hole is measured, after the measured data are summarized, drawing a corresponding table, as shown in fig. 7 and 8, the computer records 8 times of data every time the boring cutter rotates for one circle, boring is fed for 100mm, and the worker bores the error position and the offset according to the data, and performs secondary processing, such as scraping, grinding or resin filling, on the position according to the offset.

Install 4 to 8 slot type photoelectric switches 3 on adjustment support 2, each photoelectric switch 3 is round boring gang shaft 5 evenly distributed, fixedly connected with contact 4 on boring gang shaft 5, and contact 4 triggers each photoelectric switch 3 along with boring gang shaft 5 is rotatory in proper order, still include and be connected at the controller with the computer, each photoelectric switch 3 connection controller input, power motor 1 and feed motor 10 all connect the controller output, the computer is connected the communication with the controller.

In the process that the power motor 1 drives the electronic dial indicator 7 to rotate, the contact piece 4 sequentially triggers the photoelectric switches 3, each time the photoelectric switch 3 is triggered, the computer records data obtained by measurement of the electronic dial indicator 7 at the position, after the photoelectric switch is rotated for a circle, the motor controls the feeding motor 10 to drive the tool rest 13 to move for 100mm, after the boring hole is measured, data of all points in the axial direction of the boring hole are respectively on the same straight line such as A1 to A5 or C1 to C5 in the graph 7, and whether the straightness of the surface of the boring hole meets the requirement or not is judged according to the data of all points on the same straight line.

The electric box 12 is provided with a laser reflection plate 9, the adjusting bracket 2 is provided with a laser ranging sensor 11, and the laser ranging sensor 11 is connected with the input end of the controller. After the knife rest 13 rotates for one circle, the computer controls the power motor 1 to pause through the controller, the laser reflecting plate 9 on the knife rest 13 stays at the same position, the laser ranging sensor 11 measures the position of the knife rest 13 in real time, then the computer controls the feeding motor 10 to drive the knife rest 13 to move, after the laser ranging sensor 11 measures 100mm of the position of the knife rest 13, the feeding motor 10 is controlled to pause, the power motor 1 rotates for one circle, the laser ranging sensor 11, the photoelectric switch 3, the feeding motor 10 and the power motor 1 form closed-loop control, and the displacement precision of the electronic dial indicator 7 is improved.

One end of the contact piece 4 is adsorbed on the boring bar shaft 5 through a neodymium iron boron magnet. This structure facilitates the adjustment and removal of the position of the contact piece 4.

Claims

1. The utility model provides a boats and ships stern central siphon bore hole detection device, includes the boring machine, the boring machine includes boring gang shaft (5), motor power (1), feed lead screw (6), knife rest (13), feed motor (10) and adjustment support (2), its characterized in that: be equipped with fixedly connected with bracing piece (8) in knife rest (13) boring cutter mounting hole, install electron percentage table (7) on bracing piece (8), electron percentage table (7) measuring head supports and leans on the bore hole inner wall, install electric box (12) on knife rest (13), be equipped with power and wireless data acquisition module in electric box (12), still include the computer, be connected with Zigbee signal receiver on the computer, Zigbee signal receiver and wireless data acquisition module wireless connection.

2. The boring detection device for the stern tube of the ship according to claim 1, wherein: install a plurality of photoelectric switch (3) on adjustment support (2), each photoelectric switch (3) is round boring gang of shafts (5) evenly distributed, be connected with contact (4) on boring gang of shafts (5), each photoelectric switch (3) is triggered in proper order along with boring gang of shafts (5) rotation in contact (4), still include and be connected at the controller with the computer, each photoelectric switch (3) connection controller input, power motor (1) and feed motor (10) all connect the controller output, the computer is connected with the controller.

3. The boring detection device for the stern tube of the ship according to claim 2, wherein: install laser reflecting plate (9) on electric box (12), install laser rangefinder sensor (11) on adjusting support (2), laser rangefinder sensor (11) connection controller input.

4. The boring detection device for the stern tube of the ship according to claim 2, wherein: one end of the contact piece (4) is adsorbed on the boring shaft (5) through a magnet.