CN213714001U

CN213714001U - Automatic transmission device for bottom of annular furnace

Info

Publication number: CN213714001U
Application number: CN202022893596.6U
Authority: CN
Inventors: 陈朋; 郭子文; 朱晴龙
Original assignee: Zhejiang Pacific Seamless Steel Tube Co Ltd
Current assignee: Zhejiang Pacific Seamless Steel Tube Co Ltd
Priority date: 2020-12-03
Filing date: 2020-12-03
Publication date: 2021-07-16
Anticipated expiration: 2030-12-03

Abstract

The application relates to the field of annular furnaces, in particular to an automatic transmission device for a furnace bottom of an annular furnace. The range finder is used for detecting the distance between the gear ring and the range finder and outputting a distance signal; the control mechanism is connected with the distance measuring instrument and used for receiving and responding to the distance signal so as to output an operation instruction; the actuating mechanism is connected with the control mechanism and used for receiving and responding to the operation instruction so as to output a signal for driving the gear to move; the distance measuring instrument, the gear ring which is right opposite to the distance measuring instrument and the central point of the gear ring form a straight line. After this application has range finder and receives distance signal, control mechanism control actuating mechanism, and actuating mechanism control gear removes for the meshing between gear and the ring gear is good, reduces the furnace bottom inflation, makes the gear carry out the effect of damaging to the ring gear.

Description

Automatic transmission device for bottom of annular furnace

Technical Field

The application relates to the field of annular furnaces, in particular to an automatic transmission device for a furnace bottom of an annular furnace.

Background

The annular furnace is a connecting heating furnace for heating blanks while moving on the upper side of an annular rotary furnace bottom.

Referring to the prior art in fig. 8, the conventional ring furnace includes a body, a gear ring disposed on the body, a plurality of motors fixedly connected to one side of the body, and gears fixedly connected to rotation shafts of the motors and engaged with the gear ring. When the heating device is used, the motor is turned on, the rotating shaft of the motor drives the gear to rotate, and the gear rotates to drive the gear ring to rotate, so that the machine body is driven to rotate while being heated.

Aiming at the related technology, in the heating process of the annular furnace, the furnace is heated unevenly, the furnace bottom is heated and expands, and the phenomenon that the gear ring is jacked to be damaged by the furnace bottom gear is caused.

SUMMERY OF THE UTILITY MODEL

In order to solve the expansion of the furnace bottom, the gear pushes up the bad problem of ring gear, this application provides a circular furnace stove bottom automatic transmission.

The application provides a pair of annular furnace stove bottom automatic transmission adopts following technical scheme:

the utility model provides an annular furnace stove bottom automatic transmission sets up one side of organism, is provided with the ring gear on the organism, and organism one side is provided with the gear, ring gear and gear intermeshing, and organism one side is provided with base, its characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,

the distance measuring instrument is used for detecting the distance between the gear ring and the distance measuring instrument and outputting a distance signal;

the control mechanism is connected with the distance measuring instrument and used for receiving and responding to the distance signal so as to output an operation instruction;

the actuating mechanism is connected with the control mechanism and used for receiving and responding to the operation instruction so as to output a signal for driving the gear to move;

the distance measuring instrument, the gear ring which is right opposite to the distance measuring instrument and the central point of the gear ring form a straight line.

By adopting the technical scheme, when a worker works the annular furnace, the annular furnace starts to be heated, the furnace bottom starts to expand when being heated, and the distance between the gear ring and the distance meter is received by the distance meter; the signal is transmitted to a control mechanism, and the control mechanism receives the signal of the distance measuring instrument and outputs a control signal; the control signal is transmitted to the actuating mechanism, and after the actuating mechanism receives the control signal, the gear is controlled to move, so that the gear is well meshed with the gear ring, the expansion of the furnace bottom is reduced, and the gear ring is damaged by the gear.

Preferably, the control mechanism comprises a PLC module, the PLC module is connected to the distance measuring device, and is configured to receive the distance signal, compare the distance signal with a preset distance, calculate a difference between the distance signal and the preset distance, and output a signal for driving the gear to move;

the actuating mechanism comprises a hydraulic reversing valve, and the hydraulic reversing valve receives a signal for driving the gear to move and outputs a valve with different degrees of opening; and a driving piece connected with the gear is arranged on the hydraulic reversing valve.

Through adopting above-mentioned technical scheme, the distancer transmits the distance between ring gear that detects and the distancer to the PLC module, and the PLC module compares the distance signal that will accept with distance preset between them, calculates the distance that the gear need remove, carries the signal that drive gear removed on the hydraulic pressure switching-over valve, and the valve of control hydraulic pressure ring valve opens the size of closing, and hydraulic pressure switching-over valve control driving piece removes the gear.

Preferably, the driving member comprises an oil cylinder connected with a hydraulic reversing valve, and an output shaft of the oil cylinder is connected with the gear.

By adopting the technical scheme, after the oil cylinder receives a control signal of the hydraulic annular valve, the telescopic rod of the oil cylinder controls the gear to move, so that the gear and the gear ring are well meshed.

Preferably, a supporting block is fixedly connected to a telescopic rod of the oil cylinder, a motor is connected to the gear, a supporting rod is fixedly connected to the motor, the supporting rod penetrates through the supporting block to be connected with the supporting block, the supporting rod is circumferentially fixed to the supporting block, a connecting piece is arranged on the supporting rod, the oil cylinder is connected with the base through a bolt, and a rotating shaft of the motor is connected with the gear.

Through adopting above-mentioned technical scheme, when installing, pass the bracing piece on the motor with the supporting shoe on the hydro-cylinder, couple together supporting shoe and bracing piece through the connecting piece, pass through bolted connection to the base with the hydro-cylinder after that to accomplish the installation to the motor, bracing piece and supporting shoe circumference fixed connection make the motor can not take place the condition that the axle does not change, the motor changes.

Preferably, the connecting groove has been seted up on the bracing piece, the connecting piece is including sliding the connecting block and the drive of connecting in the connecting groove the connecting spring that the connecting block stretches out the connecting groove, connecting spring's both ends link to each other with connecting groove tank bottom and connecting block respectively.

Through adopting above-mentioned technical scheme, when installing, in pressing the connecting block on the bracing piece earlier and getting into the spread groove, connecting spring is in compression state, inserts the bracing piece on the supporting shoe after that, passes the supporting shoe, and connecting spring resumes deformation, stretches out the bracing piece with the connecting block outside, the completion is to the installation of supporting shoe.

Preferably, the base is provided with a dovetail groove, the gear is provided with a rotating shaft, the rotating shaft is rotatably connected with a dovetail block, and the dovetail block is connected in the dovetail groove in a sliding manner.

Through adopting above-mentioned technical scheme, when the hydro-cylinder control gear removed, the dovetail piece on the gear removed in the dovetail to make the gear can remove in the horizontal direction, can take place to rotate again, the dovetail piece links to each other with the dovetail and makes the gear stable at the in-process that removes, can not take place to shake off, and it is stable to slide.

Preferably, the base is provided with an installation groove, the installation groove is communicated with the dovetail groove, and the installation groove can be used for the dovetail block to be pulled out and separated from the base.

Through adopting above-mentioned technical scheme, in the gear use, because the gear uses can take place to damage for a long time, can change the gear, the forked tail piece slides in the dovetail, gets into the mounting groove, extracts the forked tail piece from the mounting groove in, carries out the change of gear, guarantees that the meshing of gear and ring gear is good.

Preferably, the mounting groove is connected with the installation piece in a sliding manner, the bottom of the mounting groove is connected with one end of the installation spring, the other end of the installation spring is connected with the installation piece, the mounting groove is provided with a blocking piece, and the blocking piece blocks part of the mounting groove.

Through adopting above-mentioned technical scheme, when dismantling, pulling installation piece, the installation piece removes, and the installation piece produces the effort to the installation spring for the installation spring is in compression state, extracts the dovetail piece from the mounting groove after that, sets up the installation piece, makes the dovetail piece at the in-process that removes, can not remove excessively to carry out the mounting groove in, makes the mounting groove be in the state of sheltering from at ordinary times, guarantees beautifully.

In summary, the present application includes at least one of the following beneficial technical effects:

1. after the distance measuring instrument receives the distance signal, the control mechanism controls the actuating mechanism, the actuating mechanism controls the gear to move, so that the gear is well meshed with the gear ring, the expansion of the furnace bottom is reduced, and the gear ring is damaged by the gear.

2. When the gear is damaged, the gear can be replaced.

3. When the oil cylinder is damaged, the oil cylinder can be disassembled and replaced.

Drawings

Fig. 1 is a schematic view of the overall structure of the present application.

Fig. 2 is a schematic view of a connection structure of a ring gear and a gear, and is used for showing a hydraulic directional valve.

Fig. 3 is a schematic view of a connection structure of the oil cylinder and the motor, for illustrating a dovetail groove.

Fig. 4 is an enlarged schematic view of a portion a in fig. 3.

Fig. 5 is a schematic view of the entire structure of the base for showing the installation of the handle.

Fig. 6 is a schematic view of the whole structure of the base with the stopper removed, for showing the installation of the spring.

Fig. 7 is a flowchart of the present application as a whole.

Fig. 8 is a schematic view of the overall structure of the prior art.

Reference numerals: 1. a body; 2. a ring gear; 3. a base; 4. an oil cylinder; 5. a connecting member; 51. connecting blocks; 52. a connecting spring; 10. a supporting seat; 11. a hydraulic directional control valve; 12. a dovetail groove; 13. a dovetail block; 14. a rotating shaft; 15. a gear; 16. a motor; 17. a support bar; 18. a support hole; 19. a support block; 20. connecting grooves; 21. mounting grooves; 22. mounting blocks; 23. installing a spring; 24. a stop block is shielded; 25. a sliding hole; 26. installing a handle; 27. a distance measuring instrument.

Detailed Description

Referring to fig. 1, the circular furnace comprises a circular furnace body 1, and a gear ring 2 is fixedly connected to the side wall of the circular furnace body 1 close to the ground.

The present application is described in further detail below with reference to figures 1-7.

The embodiment of the application discloses an automatic transmission device for a furnace bottom of an annular furnace. Referring to fig. 1 and 2, the automatic transmission device for the furnace bottom of the annular furnace comprises four identical bases 3, wherein the four bases 3 are arranged at intervals along the periphery of a machine body 1.

Fixedly connected with supporting seat 10 on the base 3, through bolt fixedly connected with hydro-cylinder 4 on the supporting seat 10, fixedly connected with hydraulic pressure switching-over valve 11 on the supporting seat 10, hydraulic pressure switching-over valve 11 is located one side of hydro-cylinder 4, and hydraulic pressure switching-over valve 11 links to each other with hydro-cylinder 4. The telescopic rod of the oil cylinder 4 is controlled to extend and retract by controlling the hydraulic reversing valve 11.

Referring to fig. 2 and 3, a dovetail groove 12 is formed in the side wall of the base 3 close to the support seat 10, a dovetail block 13 is connected in the dovetail groove 12 in a sliding manner, a rotating shaft 14 is connected to the side wall, far away from the support seat 10, of the dovetail block 13 in a rotating manner, a gear 15 is fixedly connected to the side wall, far away from the support seat 10, of the rotating shaft 14, the gear 15 and the rotating shaft 14 rotate coaxially, and the gear 15 is meshed with the gear ring 2. The end part of the rotating shaft 14 far away from the gear 15 is fixedly connected with a motor 16, the rotating shaft of the motor 16 is fixedly connected with the gear 15, and the rotating shaft and the gear 15 rotate coaxially.

Referring to fig. 3 and 4, a support rod 17 is fixedly connected to a side wall of the motor 16 away from the gear 15, and an end surface of the support rod 17 is square. A supporting block 19 is fixedly connected to the telescopic rod of the oil cylinder 4, a supporting hole 18 is formed in the supporting block 19, and the supporting rod 17 penetrates through the supporting hole 18 and is connected with the supporting block 19. The end walls of the support blocks 19 are square so that no circumferential relative rotation occurs between the support blocks 19 and the support rods 17.

The support rod 17 is provided with a connecting piece 5, the side wall of the support rod 17 close to the oil cylinder 4 is provided with a connecting groove 20, and the connecting piece 5 comprises a connecting block 51 and a connecting spring 52. Connecting spring 52 sets up in connecting groove 20, and connecting spring 52's both ends respectively with connecting groove 20 tank bottom and connecting block 51 fixed connection, connecting block 51 slides and connects in connecting groove 20, and outside connecting block 51 stretched out connecting groove 20, connecting block 51 supported tightly with the lateral wall that supporting shoe 19 is close to connecting block 51. By arranging the connecting piece 51, the installation limit of the supporting rod 17 can be realized, so that the motor 16 can be installed and supported.

Referring to fig. 3 and 5, the base 3 is provided with an installation groove 21 on the side walls of the gear 15 and the support base 10, and the installation groove 21 is communicated with the dovetail groove 12. The dovetail block 13 passes through the dovetail groove 12 and passes through the mounting groove 21, so that the gear 15 and the base 3 can be separated.

Referring to fig. 5 and 6, the mounting groove 21 is fixedly connected with the mounting block 22 on the groove wall far away from the base 3, a gap is provided between the mounting block 22 and the mounting groove 21, the blocking piece 24 is connected in the mounting groove 21 in a sliding manner, the mounting spring 23 is arranged in the mounting groove 21, and two ends of the mounting spring 23 are respectively fixedly connected with the groove bottom far away from the blocking piece 24 and the blocking piece 24 of the mounting groove 21. Hide fixedly connected with installation handle 26 on the lateral wall that dog 24 kept away from base 3, install and seted up slide hole 25 on the lateral wall that dog 22 kept away from base 3, installation handle 26 slides and connects in slide hole 25.

Referring to fig. 2, a distance meter 27 is mounted on the side wall of the support seat 10 close to the gear 15, and three points of the distance meter 27, the gear ring 2 opposite to the distance meter 27 and the center point of the gear ring 2 are in a straight line.

Be provided with the PCL module on the base 3, distancer 27 links to each other with the PLC module, and PLC links to each other with hydraulic pressure switching-over valve 11.

The implementation principle of a subject name in the embodiment of the application is as follows: referring to fig. 7, the distance meter 27 measures the distance between the distance meter 27 and the ring gear 2, and transmits the measured distance signal to the PLC module, in which a preset distance is provided, the preset distance being the distance between the distance meter 27 and the ring gear 2 before the ring furnace does not operate. The PLC module compares the distance signal with a preset distance, and when the distance signal obtained by the PLC module is greater than the preset distance, the PLC module controls the opening and the enlargement of a valve of the hydraulic reversing valve 11, so that a piston rod of the oil cylinder 4 connected with the hydraulic reversing valve 11 and the driving gear 15 move towards the direction close to the gear ring 2; when the distance signal obtained by the PLC module is smaller than the preset distance, the PLC module controls the valve of the hydraulic reversing valve 11 to be opened and reduced, so that the piston rod of the oil cylinder 4 connected with the hydraulic reversing valve 11 drives the gear 15 to move towards the direction far away from the gear ring 2. Thereby ensuring that the gear 15 is well meshed with the furnace bottom gear ring 2 and ensuring that the annular furnace is good.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an annular furnace stove bottom automatic transmission sets up one side of organism (1), is provided with ring gear (2) on organism (1), and organism (1) one side is provided with gear (15), ring gear (2) and gear (15) intermeshing, and organism (1) one side is provided with base (3), its characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,

the distance measuring instrument (27) is used for detecting the distance between the gear ring (2) and the distance measuring instrument (27) and outputting a distance signal;

the control mechanism is connected with the distance measuring instrument (27) and used for receiving and responding to the distance signal so as to output an operation instruction;

the actuating mechanism is connected with the control mechanism and used for receiving and responding to the operation instruction so as to output a signal for driving the gear (15) to move;

the distance measuring instrument (27), the gear ring (2) opposite to the distance measuring instrument and the central point of the gear ring (2) are straight.

2. The automatic transmission device for a circular furnace bottom of claim 1, wherein: the control mechanism comprises a PLC module, the PLC module is connected with the distance measuring instrument (27) and used for receiving the distance signal, comparing the distance signal with a preset distance, calculating the difference value between the distance signal and the preset distance and outputting a signal for driving the gear (15) to move;

the actuating mechanism comprises a hydraulic reversing valve (11), and the hydraulic reversing valve (11) receives a signal of the movement of the driving gear (15) and outputs a valve which is opened to different degrees; and a driving piece connected with a gear (15) is arranged on the hydraulic reversing valve (11).

3. The automatic transmission device for a circular furnace bottom of claim 2, wherein: the driving piece comprises an oil cylinder (4) connected with a hydraulic reversing valve (11), and an output shaft of the oil cylinder (4) is connected with the gear (15).

4. The automatic transmission device for a circular furnace bottom of claim 3, wherein: fixedly connected with supporting shoe (19) on the telescopic link of hydro-cylinder (4), be connected with motor (16) on gear (15), fixedly connected with bracing piece (17) on motor (16), bracing piece (17) pass supporting shoe (19) and link to each other with supporting shoe (19), bracing piece (17) with supporting shoe (19) circumference is fixed, be provided with connecting piece (5) on bracing piece (17), hydro-cylinder (4) pass through the bolt with base (3) and link to each other, the rotation axis of motor (16) links to each other with gear (15).

5. The automatic transmission device for a circular furnace bottom of claim 4, wherein: the utility model discloses a connecting groove (20) has been seted up on bracing piece (17), connecting piece (5) are including sliding connection connecting block (51) and the drive in connecting groove (20) connecting spring (52) that connecting block (51) stretched out connecting groove (20), the both ends of connecting spring (52) link to each other with connecting groove (20) tank bottom and connecting block (51) respectively.

6. The automatic transmission device for a circular furnace bottom of claim 1, wherein: the dovetail groove (12) has been seted up on base (3), be provided with axis of rotation (14) on gear (15), it is connected with dovetail block (13) to rotate on axis of rotation (14), dovetail block (13) slide and connect in dovetail groove (12).

7. The automatic transmission device for a circular furnace bottom of claim 6, wherein: the dovetail groove is characterized in that a mounting groove (21) is formed in the base (3), the mounting groove (21) is communicated with the dovetail groove (12), and the mounting groove (21) can be used for the dovetail block (13) to be pulled out and separated from the base (3).

8. The automatic transmission device for a circular furnace bottom of claim 7, wherein: the mounting groove is characterized in that the mounting block (22) is connected to the inner side of the mounting groove (21) in a sliding mode, one end of the mounting spring (23) is connected to the bottom of the mounting groove (21), the other end of the mounting spring (23) is connected with the mounting block (22), a blocking piece (24) is arranged on the mounting groove (21), and the blocking piece (24) blocks a part of the mounting groove (21).