Sintering machine tail swing frame limiting detection device
By designing a limit detection device with the principle of mechanical transmission in the sintering machine, the problem of failure of the tail swing function of the tail swing frame in the closed environment is solved, reliable limit detection in high temperature environment is achieved, and the operation reliability of the device is improved .
Patent Information
- Application Number
- CN202323434314.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-17
- Publication Date
- 2024-12-31
- Estimated Expiration
- 2033-12-17
AI Technical Summary
In the closed sintering machine operating environment, the tail swing limiting device cannot work normally because its heat-resistant temperature is not enough to cope with the high-temperature sealing requirements, resulting in the failure of the limiting function.
A limit detection device for tail swing frame of sintering machine is designed, and the mechanical transmission principle is used to realize the mechanical displacement in the sealing cylinder and detect the proximity of the close The switch sends an alarm signal to ensure the limit function operates reliably in high temperature environments.
The device is simple in structure and low in cost. The limit proximity switch is installed on the outside of the sealing cover away from the heat source. The rotor contact area is small, and the displacement is accurately collected to avoid vibration and malfunction, which improves the reliability of limit detection.
Smart Images
Figure CN222279389U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a limit detection device for a tail swing frame of a sintering machine, belonging to the technical field of belt-type sintering machine equipment. Background Art
[0002] The main equipment in sintering operation is the belt sintering machine, which is basically a tail swing frame type. The tail swing frame is a device used to absorb thermal expansion and automatically adjust the tightness of the lower rail trolley train.
[0003] At present, due to the increasing efforts in environmental protection, the tail of the sintering machine is required to be sealed. After the tail of the sintering machine is sealed, the internal temperature reaches above 70℃. The heat-resistant temperature of the tail swing frame limit is about 40℃. In this closed environment, the limit cannot be used normally. Utility Model Content
[0004] The utility model aims to provide a sintering machine tail swing frame limit detection device, which can ensure the normal operation of the tail swing frame limit in a closed sintering machine operating environment and solve the problems existing in the background technology.
[0005] The technical solution of the utility model is:
[0006] A limit detection device for a tail swing frame of a sintering machine comprises a side wall of the tail swing frame, a transmission collision iron, a collision rod, a main shaft, a main shaft sleeve, a sealing cylinder, a limit stop iron, a support frame, a limit proximity switch and a sealing cover frame of the sintering machine, wherein the transmission collision iron is fixed on the side wall of the tail swing frame, and the support frame is fixed on the sealing cover frame of the sintering machine; the sealing cylinder is fixed on the support frame, rotating wheels are respectively installed at both ends of the main shaft sleeve, the main shaft sleeve is installed in the sealing cylinder through the rotating wheels, and retaining rings are installed at both ends of the sealing cylinder; the main shaft passes through the main shaft sleeve, the rotating wheel, the sealing cylinder and the retaining ring, and the collision rod and the limit stop iron are respectively welded at both ends, and the collision rod and the limit stop iron are respectively arranged close to the transmission collision iron and the limit proximity switch; the main shaft sleeve can rotate in the sealing cylinder driven by the main shaft.
[0007] The support frame includes a crossbeam and a support beam. The crossbeam is horizontally fixed on the sintering machine sealing cover frame. One end of the support beam is fixed on the sintering machine sealing cover frame, and the other end is supported on the crossbeam. The crossbeam, the support beam and the sintering machine sealing cover frame form a triangular structure.
[0008] The striker, the main shaft, the main shaft sleeve, the rotating wheel, the retaining ring, the sealing cylinder and the limit stop iron constitute a cylindrical transmission device.
[0009] The limit proximity switch is arranged on the limit bracket.
[0010] The limiting bracket is fixed on the sintering machine frame.
[0011] The utility model utilizes the principle of mechanical transmission. When the movement of the tail swing frame exceeds the allowable range of the stroke, the striker hits the transmission striker, and drives the main shaft sleeve to rotate in the sealing cylinder through the main shaft and the rotating wheel, so that the limit stopper on the other end of the main shaft is displaced to the limit sensing distance, and the limit proximity switch detects the protection action and sends out a tail swing frame alarm signal.
[0012] The beneficial effects of the utility model are: simple structure, low cost, the limit proximity switch is installed on the outside of the sintering machine sealing cover, away from the heat source, the contact area of the wheel is small, the friction is small, the displacement is accurately collected, the detection distance is reasonable, the false operation caused by vibration is avoided, and the operation reliability of the limit detection device is improved. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a schematic diagram of the structure of the utility model;
[0014] In the figure: the side wall 1 of the tail swing frame, the transmission collision iron 2, the collision rod 3, the main shaft 4, the main shaft sleeve 5, the sealing cylinder 6, the rotating wheel 7, the retaining ring 8, the limit stop iron 9, the support frame 10, the cross beam 10-1, the support beam 10-2, the cylindrical transmission 11, the limit proximity switch 12, the limit bracket 13, and the sintering machine sealing cover frame 14. DETAILED DESCRIPTION
[0015] The present invention will be further described below by way of examples with reference to the accompanying drawings.
[0016] See attached Figure 1 A sintering machine tail swing frame limit detection device comprises a tail swing frame side wall 1, a transmission striker 2, a striker rod 3, a spindle 4, a spindle sleeve 5, a sealing cylinder 6, a rotating wheel 7, a retaining ring 8, a limit stopper 9, a support frame 10, a limit proximity switch 12, a limit bracket 13 and a sintering machine sealing cover frame 14, wherein the transmission striker 2 is fixed to the tail swing frame side wall 1, the support frame 10 is fixed to the sintering machine sealing cover frame 14, the sealing cylinder 6 is fixed to the support frame 10, and the rotating wheel 7, the retaining ring 8, the limit stopper 9, the support frame 10, the limit proximity switch 12, the limit bracket 13 and the sintering machine sealing cover frame 14. Wheels 7 are installed at both ends of the main shaft sleeve 5, the main shaft 4 is connected to the main shaft sleeve 5 through the rotating wheel 7 and installed in the sealing tube 6, the retaining ring 8 is installed at both ends of the sealing tube 6, the main shaft 4 passes through the main shaft sleeve 5, the rotating wheel 7, the sealing tube 6 and the retaining ring 8, and the main shaft sleeve 5 can rotate in the sealing tube 6 driven by the main shaft 4; the striker 3 and the limit stop iron 9 are respectively installed at both ends of the main shaft 4; the limit proximity switch 12 is installed on the limit bracket 13, and the limit bracket 13 is fixed on the sintering machine frame. Specific embodiments
[0017] See attached Figure 1The support frame 10 is welded by channel steel and angle steel. The channel steel is welded as a crossbeam 10-1 on the sintering machine sealing cover frame 14. The angle steel is used as a support beam 10-2 (oblique support). One end of the support beam 10-2 is welded to the sintering machine sealing cover frame 14, and the other end is welded to the crossbeam 10-1 to form a triangular stable support; the sealing cylinder 6 is welded to the support frame 10.
[0018] The transmission striker 2 is made of a 20 cm long φ20 galvanized pipe and is welded to the side wall 1 of the tail swing frame. The limit proximity switch 12 is a proximity switch with a diameter of φ30 and is installed on the limit bracket 13.
[0019] The spindle 4 in the cylindrical transmission device 11 is made of No. 12 threaded steel with a length of 220cm, the spindle sleeve 5 is made of a 200cm long φ20 galvanized pipe, and the sealing cylinder 6 is made of a 205cm long φ25 galvanized pipe. The runner 7 is made of an O-type galvanized steel ring with an inner diameter of 12 and an outer diameter of 22, which is installed at both ends of the spindle sleeve 5, and the spindle sleeve 5 is installed in the sealing cylinder 6; the retaining ring 8 is made of an M14*28 galvanized gasket, which is welded on both sides of the sealing cylinder 6 to prevent the axial displacement of the spindle sleeve 5. The spindle 4 runs through the spindle sleeve 5 and the runner 7, and the striker 3 is made of No. 12 threaded steel with a length of 40cm. The striker 3 is welded at one end of the spindle 4, and the distance between the striker 3 and the transmission striker 2 is 10cm; the limit stopper 9 is made of a 40cm long φ20 galvanized pipe, which is welded at the other end of the spindle 4, and the distance between the limit proximity switch 12 is 5cm.
[0020] Working principle:
[0021] When the tail swing frame moves beyond the safe travel of 10cm, the striker 3 hits the transmission striker 2. Under the mechanical force, the striker 3 drives the cylindrical transmission 11 through the main shaft 4 to move the limit stopper 9, and the distance from the limit proximity switch 12 is less than 5cm. The limit proximity switch 12 detects the signal action and issues an alarm. The cylindrical transmission of the tail swing frame limit detection device uses the principle of mechanical transmission. Under the mechanical force, it drives the main shaft sleeve to rotate in the sealing cylinder through the main shaft and the rotating wheel to trigger the limit.
[0022] The utility model utilizes the principle of mechanical transmission. When the tail swing frame moves beyond the allowable range of the stroke, the striker hits the transmission striker, and drives the spindle sleeve to rotate in the sealing cylinder through the spindle and the rotating wheel, so that the limit stopper on the other end of the spindle moves to the limit sensing distance, and the limit proximity switch detects the protection action and sends out the tail swing frame alarm signal. Not only is the structure simple and the cost is low, the limit proximity switch is installed on the outside of the sintering machine sealing cover, away from the heat source, the contact area of the rotating wheel is small, the friction is small, the displacement is accurately collected, the detection distance is reasonable, and the false action caused by vibration is avoided, and the operation reliability of the limit detection device is improved.
Claims
1. A sintering machine tail swing frame limit detection device, characterized in that: The invention comprises a side wall of a tail swing frame (1), a transmission collision iron (2), a collision rod (3), a main shaft (4), a main shaft sleeve (5), a sealing cylinder (6), a limit stopper iron (9), a support frame (10), a limit proximity switch (12) and a sintering machine sealing cover frame (14), wherein the transmission collision iron (2) is fixed on the side wall of the tail swing frame (1), the support frame (10) is fixed on the sintering machine sealing cover frame (14); the sealing cylinder (6) is fixed on the support frame (10), and rotating wheels are respectively installed at both ends of the main shaft sleeve (5). (7), the main shaft sleeve (5) is installed in the sealing cylinder (6) through the rotating wheel (7), and retaining rings (8) are installed at both ends of the sealing cylinder (6); the main shaft (4) passes through the main shaft sleeve (5), the rotating wheel (7), the sealing cylinder (6) and the retaining ring (8), and the two ends are respectively welded with a striker (3) and a limit stopper (9), and the striker (3) and the limit stopper (9) are respectively arranged close to the transmission striker (2) and the limit proximity switch (12); the main shaft sleeve (5) can rotate in the sealing cylinder (6) under the drive of the main shaft (4).
2. A sintering machine tail swing frame limit detection device according to claim 1, characterized in that: The support frame (10) comprises a crossbeam (10-1) and a support beam (10-2); the crossbeam (10-1) is horizontally fixed on a sintering machine sealing cover frame (14); one end of the support beam (10-2) is fixed on the sintering machine sealing cover frame (14) and the other end is supported on the crossbeam (10-1); the crossbeam (10-1), the support beam (10-2) and the sintering machine sealing cover frame (14) form a triangular structure.
3. A sintering machine tail swing frame limit detection device according to claim 1 or 2, characterized in that: The striker (3), the main shaft (4), the main shaft sleeve (5), the rotating wheel (7), the retaining ring (8), the sealing cylinder (6) and the limit stop iron (9) constitute a cylindrical transmission device (11).
4. A sintering machine tail swing frame limit detection device according to claim 1 or 2, characterized in that: The limit proximity switch (12) is arranged on the limit bracket (13).
5. A sintering machine tail swing frame limit detection device according to claim 4, characterized in that: The limiting bracket (13) is fixed on the sintering machine frame.