Hydraulic catch wheel device applied to rotary kiln

By designing a bidirectional lead screw and displacement seat, and combining it with a pneumatic cylinder, a hydraulic cylinder, and a pressure sensor, the problem of height variation and uneven force distribution of the hydraulic thrust roller device when adapting to rotary kilns of different diameters is solved. This achieves stable support and uniform force distribution, improving the ease of use and lifespan of the device.

CN223910004UActive Publication Date: 2026-02-13SICHUAN ZONGSHENG SPECIAL CEMENT CO LTD
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Patent Information

Application Number
CN202520344880.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-01
Publication Date
2026-02-13
Estimated Expiration
2035-03-01

AI Technical Summary

Technical Problem

Existing hydraulic thrust roller devices, when adapted to rotary kilns of different diameters, result in frequent changes in kiln height, are relatively heavy, and are difficult to maintain uniform force on the thrust rollers, affecting the stability and lifespan of the device.

Method used

The design employs a two-way lead screw and displacement seat, and through the cooperation of an arc-shaped mounting plate and auxiliary thrust rollers, it can adapt to rotary kiln bodies of different sizes. At the same time, it uses cylinders and hydraulic cylinders to adjust the height, and pressure sensors and controllers to ensure uniform force distribution.

Benefits of technology

It enables support for rotary kilns of different sizes without changing the frame height, improves the fixing accuracy and force uniformity of the thrust rollers, and reduces the risk of damage to the thrust rollers.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a hydraulic catch wheel device applied to a rotary kiln, which belongs to the technical field of rotary kilns and comprises a frame, a rotary kiln body is rotatably mounted at the top of the frame, a base is fixedly connected to the inner wall of the frame, and mounting grooves are arranged at two ends in the base. The device has the beneficial effects that when the distance between the arc-shaped mounting plate and the rack is adjusted, the two displacement seats can move in the same direction or opposite directions through the rotation of the displacement seats, so that the two auxiliary catch wheels b can be pushed to be attached to the outer wall of the rotary kiln body all the time by means of the arc-shaped mounting plate, and the distance between the arc-shaped mounting plate and the rack is adjusted. According to the rotary kiln body supporting device, the rotary kiln body supporting device can be suitable for rotary kiln bodies of different sizes under the condition that the height position of the rack is not changed, workers can use the rotary kiln bodies conveniently, the bottom plate can be pushed to ascend through stretching and retracting of the piston rod of the air cylinder, the auxiliary catch wheel a is pushed to be attached to the surfaces of the rotary kiln bodies, and therefore the purpose of supporting the rotary kiln bodies can be achieved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to rotary kiln technical field especially, it relates to a kind of hydraulic wheel stop device applied to rotary kiln. BACKGROUND

[0002] At present, rotary kiln needs to be used in the cement sintering process, the cylinder of rotary kiln is supported on the supporting device of certain inclination, when rotary kiln rotates, the cylinder of rotary kiln slides to lower end under the action of dead weight, thus it needs to set hydraulic wheel stop to limit the axial position of rotary kiln.

[0003] Through retrieval, China patent discloses a kind of rotary kiln hydraulic wheel stop replacement device (authorized announcement number CN209116736U), including hydraulic wheel stop, auxiliary wheel stop, installation bottom plate, first hydraulic telescopic rod, second hydraulic telescopic rod, arc-shaped mounting plate and auxiliary wheel mounting block, the upper side of hydraulic wheel stop is equipped with rotary kiln cylinder, rotary kiln cylinder is equipped with rotary kiln wheel belt, rotary kiln wheel belt is in contact with the side of hydraulic wheel stop, the lower side of hydraulic wheel stop is equipped with wheel stop fixed frame, wheel stop fixed frame is installed on rack or ground;The installation bottom plate is set on the left side of hydraulic wheel stop, and the end of installation bottom plate close to rotary kiln cylinder is equipped with rotating support plate, and the end of installation bottom plate away from rotary kiln cylinder is equipped with first rotating connecting frame, the interval between arc-shaped mounting plate and rotary kiln cylinder can be adjusted in the patent technology, so that the whole device can be applicable to rotary kiln of different diameters, increase the practicability of device.

[0004] But the above-mentioned device still has some shortcomings when actually using, more obvious is that the interval between arc-shaped mounting plate and rotary kiln cylinder is adjusted in the above-mentioned hydraulic wheel stop device by the use of second hydraulic telescopic rod, so that the whole device can be applicable to rotary kiln of different diameters, however, the position of second hydraulic telescopic rod does not change, to be applicable to rotary kiln of different diameters, it can cause the height of rotary kiln body to constantly change, but the weight of actual rotary kiln body is heavy, and it is very inconvenient to frequently change the height of kiln body, and the height of multiple hydraulic telescopic rods is difficult to reach uniform height, so that the force of wheel stop is uneven, so that hydraulic wheel stop is easily separated from damage device due to insufficient fixing accuracy when replacing. UTILITY MODEL CONTENTS

[0005] In view of the above problems existing in the prior art, the main purpose of the utility model is to provide a kind of hydraulic wheel stop device applied to rotary kiln.

[0006] The utility model discloses a technical scheme is such: A kind of hydraulic wheel stop device applied to rotary kiln, including rack, the top of the rack is rotatably installed with rotary kiln body, the inner wall of the rack is fixedly connected with base, the both ends in the base are provided with mounting slot, two The bidirectional screw rod is rotatably connected between the mounting slot, the both ends of the outside of bidirectional screw rod are all screw-connected with displacement seat, the inner wall of displacement seat is all slidably connected with mounting slot, the inside of base and between two mounting slots are embedded with cylinder, the piston rod of cylinder is fixedly installed with bottom plate, the top of bottom plate is equipped with two auxiliary baffle wheels a.

[0007] By using the above technical scheme, through the rotation of the displacement seat, the two displacement seats can move towards or away from each other. This can push the two auxiliary baffle wheels b with the arc-shaped mounting plate to always fit the outer wall of the rotary kiln body. Thus, the height of the rack can be changed to accommodate rotary kiln bodies of different sizes, which facilitates the use of the rotary kiln body by the staff.

[0008] As a preferred embodiment, the inside of the displacement seat is provided with an auxiliary assembly. The auxiliary assembly includes an arc-shaped mounting plate rotatably installed inside the displacement seat. The outside of the arc-shaped mounting plate is fixedly connected with a mounting seat. The top of the base and on one side of the mounting slot are rotatably installed with a hydraulic cylinder. The piston rod of the hydraulic cylinder is rotatably connected with the corresponding mounting seat.

[0009] By using the above technical scheme, the piston rod of the hydraulic cylinder can be extended or retracted to push the mounting seat and the arc-shaped mounting plate to rotate. This can provide a power source for the rotation of the arc-shaped mounting plate.

[0010] As a preferred embodiment, the auxiliary assembly further includes a T-shaped auxiliary rod arranged inside the arc-shaped mounting plate. The two ends of the T-shaped auxiliary rod are rotatably installed with auxiliary baffle wheels b.

[0011] By using the above technical scheme, the cooperation of the T-shaped auxiliary rod and the auxiliary baffle wheels b can provide higher support for the rotary kiln body.

[0012] As a preferred embodiment, the outside of the T-shaped auxiliary rod is provided with a monitoring assembly. The monitoring assembly includes a fitting block fixedly connected to the outside of the T-shaped auxiliary rod. The inside of the fitting block is embedded with a pressure sensor. The outside of the base is fixedly installed with a controller.

[0013] By using the above technical scheme, the pressure sensor can monitor the external pressure of the rotary kiln body.

[0014] As a preferred implementation form, the inner part of the arc-shaped mounting plate is provided with a replacement assembly, the replacement assembly comprises a socket formed in the inner part of the arc-shaped mounting plate, the inner part of the T-shaped auxiliary rod is provided with a lock hole, and the inner part of the arc-shaped mounting plate is provided with a locking bolt.

[0015] By adopting the above technical scheme, the locking bolt and the lock hole are used in cooperation, so that the worker can replace and maintain the auxiliary baffle b.

[0016] As a preferred implementation form, the T-shaped auxiliary rod is clamped with the corresponding socket, and one end of the locking bolt penetrates the inner part of the lock hole.

[0017] By adopting the above technical scheme, the T-shaped auxiliary rod and the socket are used in cooperation, so that a positioning effect can be achieved, and the installation precision and efficiency of the T-shaped auxiliary rod are improved.

[0018] As a preferred implementation form, the outer side of the base is fixedly provided with a servo motor, and the output shaft of the servo motor extends into the inner part of the mounting groove and is fixedly connected with the bidirectional screw rod.

[0019] By adopting the above technical scheme, the output shaft of the servo motor can drive the bidirectional screw rod to rotate.

[0020] As a preferred implementation form, the hydraulic cylinder, the servo motor, the air cylinder and the pressure sensor are electrically connected with the controller.

[0021] By adopting the above technical scheme, the controller can control the start and stop of the hydraulic cylinder, the servo motor, the air cylinder and the pressure sensor.

[0022] Compared with the prior art, the utility model has the advantages and positive effects that,

[0023] 1. In the utility model, through the rotation of the displacement seat, the two displacement seats can move towards each other or in opposite directions, so that the arc-shaped mounting plate can push the two auxiliary baffles b to always fit the outer wall of the rotary kiln body, and the rotary kiln body of different sizes can be used without changing the height position of the rack, so that the worker can use the rotary kiln body, and through the extension and retraction of the piston rod of the air cylinder, the bottom plate can be pushed up, and the auxiliary baffle a can be pushed to the surface of the rotary kiln body, so that the supporting purpose of the rotary kiln body can be achieved.

[0024] 2. The utility model discloses a pressure sensor's role can monitor the outer pressure of rotary kiln body, when the extrusion force of auxiliary baffle wheel b and rotary kiln body reaches the preset value of pressure sensor, will deliver information to the controller, and stop by the controller control hydraulic cylinder, so that the telescopic length of the piston rod of multiple hydraulic cylinders is unified, to ensure that the stress uniformity of auxiliary baffle wheel b. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 The utility model provides a kind of overall perspective view of hydraulic wheel stop device applied to rotary kiln;

[0026] Figure 2 The utility model provides a kind of partial schematic view of hydraulic wheel stop device applied to rotary kiln;

[0027] Figure 3 The utility model provides a kind of replacement assembly schematic view of hydraulic wheel stop device applied to rotary kiln;

[0028] Figure 4 The utility model provides a kind of hydraulic wheel stop device applied to rotary kiln; Figure 3 The utility model provides a kind of enlarged view of A in the middle.

[0029] Legend: 1, rack;2, rotary kiln body;3, base;4, installation groove;5, displacement seat;6, bidirectional screw;7, arc installation plate;8, mounting seat;9, hydraulic cylinder;10, servo motor;11, locking bolt;12, jack;13, cylinder;14, bottom plate;15, auxiliary baffle wheel a;16, lock hole;17, T-shaped auxiliary rod;18, auxiliary baffle wheel b;19, pressure sensor;20, controller;21, fit block. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0031] REFERENCE Figures 1-4The utility model provides a kind of hydraulic wheel blocking device applied to rotary kiln, including frame 1, the top of frame 1 is rotatably installed with rotary kiln body 2, the inner wall of frame 1 is fixedly connected with pedestal 3, the both ends in the inside of pedestal 3 are all provided with installation slot 4, two installation slots 4 are rotatably connected with bidirectional screw rod 6, the both ends of the outside of bidirectional screw rod 6 are all threadedly connected with displacement seat 5, displacement seat 5 is all slidably connected with the inner wall of installation slot 4, and air cylinder 13 is embedded in the inside of pedestal 3 between two installation slots 4, bottom plate 14 is fixedly installed at the piston rod of air cylinder 13, two auxiliary wheel a 15 are arranged on the top of bottom plate 14, when the interval between arc-shaped mounting plate 7 and frame 1 is adjusted, the rotation of displacement seat 5 can make two displacement seats 5 move towards or opposite, so that auxiliary wheel b 18 can be pushed by arc-shaped mounting plate 7 to always adhere to the outer wall of rotary kiln body 2, so that rotary kiln body 2 of different sizes can be used without changing the height position of frame 1, so that the staff can use rotary kiln body 2, and the piston rod of air cylinder 13 can push bottom plate 14 to rise and push auxiliary wheel a 15 to adhere to the surface of rotary kiln body 2, so that the supporting purpose of rotary kiln body 2 can be achieved.

[0032] Specifically, the inside of displacement seat 5 is provided with auxiliary assembly, the inside of displacement seat 5 is rotatably installed with arc-shaped mounting plate 7, the extension and retraction of the piston rod of hydraulic cylinder 9 can drive mounting seat 8 and arc-shaped mounting plate 7 to rotate, so as to provide power source for the rotation of arc-shaped mounting plate 7, the outside of arc-shaped mounting plate 7 is fixedly connected with mounting seat 8, the top of pedestal 3 and one side of installation slot 4 are rotatably installed with hydraulic cylinder 9, the piston rod of hydraulic cylinder 9 is rotatably connected with corresponding mounting seat 8, auxiliary assembly further includes T-shaped auxiliary rod 17 arranged in the inside of arc-shaped mounting plate 7, the both ends of T-shaped auxiliary rod 17 are rotatably installed with auxiliary wheel b 18, the outside of T-shaped auxiliary rod 17 is provided with monitoring assembly, monitoring assembly includes abutting block 21 fixedly connected to the outside of T-shaped auxiliary rod 17, the outside pressure of rotary kiln body 2 can be monitored by pressure sensor 19, when the extrusion force of auxiliary wheel b 18 and rotary kiln body 2 reaches the preset value of pressure sensor 19, information will be transmitted to controller 20, and hydraulic cylinder 9 is stopped by controller 20, so that the extension length of the piston rod of multiple hydraulic cylinders 9 is uniform, so as to ensure the uniformity of the stress of auxiliary wheel b 18, to improve the fixing accuracy of auxiliary wheel b 18, the inside of abutting block 21 is embedded with pressure sensor 19, and controller 20 is fixedly installed on the outside of pedestal 3.

[0033] Specifically, the inside of the arc-shaped mounting plate 7 is provided with a replacement assembly, the replacement assembly comprises a jack 12 opened in the inside of the arc-shaped mounting plate 7, the inside of the T-shaped auxiliary rod 17 is provided with a lock hole 16, and the lock bolt 11 and the lock hole 16 are used in cooperation to facilitate the workers to replace and maintain the auxiliary baffle wheel b18. The inside of the arc-shaped mounting plate 7 is provided with the lock bolt 11, the T-shaped auxiliary rod 17 is connected with the arc-shaped mounting plate 7 through the lock bolt 11, the T-shaped auxiliary rod 17 is clamped with the corresponding jack 12, one end of the lock bolt 11 penetrates the inside of the lock hole 16, and the cooperation of the T-shaped auxiliary rod 17 and the jack 12 can play a certain positioning role, improve the installation precision and efficiency of the T-shaped auxiliary rod 17, the outside of the base 3 is fixedly provided with a servo motor 10, the output shaft of the servo motor 10 extends to the inside of the installation groove 4 and is fixedly connected with the bidirectional screw rod 6, the rotation of the output shaft of the servo motor 10 can drive the bidirectional screw rod 6 to rotate, so that the power transmission can be realized. The hydraulic cylinder 9, the servo motor 10, the air cylinder 13 and the pressure sensor 19 are electrically connected with the controller 20, and the controller 20 can be used to control the start and stop of the hydraulic cylinder 9, the servo motor 10, the air cylinder 13 and the pressure sensor 19.

[0034] Working principle: first, when the spacing between the arc-shaped mounting plate 7 and the rack 1 is adjusted, the workers can control the servo motor 10 to start through the controller 20, the rotation of the output shaft of the servo motor 10 can drive the installation groove 4 to rotate, so that the two displacement seats 5 can move towards or away from each other, and the arc-shaped mounting plate 7 can push the two auxiliary baffle wheels b18 to always fit the outer wall of the rotary kiln body 2, so that the rotary kiln body 2 of different sizes can be applied without changing the height position of the rack 1. At the same time, the piston rod of the air cylinder 13 can push the bottom plate 14 to rise and push the auxiliary baffle wheel a15 to fit the surface of the rotary kiln body 2, so that the supporting purpose of the rotary kiln body 2 can be realized. When the clamping work is completed, the pressure sensor 19 can be used to monitor the external pressure of the rotary kiln body 2. When the extrusion force of the auxiliary baffle wheel b18 and the rotary kiln body 2 reaches the preset value of the pressure sensor 19, the information is transmitted to the controller 20, and the controller 20 controls the hydraulic cylinder 9 to stop, so that the extension length of the piston rod of the plurality of hydraulic cylinders 9 is uniform, so as to ensure the uniformity of the stress of the auxiliary baffle wheel b18, and the lock bolt 11 and the lock hole 16 are used in cooperation to facilitate the workers to replace and maintain the auxiliary baffle wheel b18.

[0035] In the description of the utility model, it is necessary to explain, unless another explicit provision and limitation, the term "installation" "is provided with" "connection" and the like, should do broad sense understanding, for example "connection", can be fixed connection, also can be detachable connection, or integral connection;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through the intermediate medium, can be two elements inside the communication, for the ordinary skill in the art, the specific meaning of the above terms in the utility model can be understood according to the specific situation.

[0036] The above is only the preferred embodiment of the present application and is not intended to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement for some technical features therein, and any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A hydraulic wheel blocking device applied to a rotary kiln, comprising a frame (1), characterized in that: The top of the rack (1) is rotatably installed with a rotary kiln body (2), the inner wall of the rack (1) is fixedly connected with a base (3), both ends of the inside of the base (3) are provided with mounting grooves (4), a bidirectional screw rod (6) is rotatably connected between the two mounting grooves (4), both ends of the outside of the bidirectional screw rod (6) are threadedly connected with displacement seats (5), the displacement seats (5) are slidably connected with the inner walls of the mounting grooves (4), a cylinder (13) is embedded in the inside of the base (3) and between the two mounting grooves (4), a bottom plate (14) is fixedly installed at the piston rod of the cylinder (13), and two auxiliary blocking wheels a (15) are arranged on the top of the bottom plate (14).

2. A hydraulic wheel blocking device for a rotary kiln as claimed in claim 1, wherein: An auxiliary assembly is arranged in the inside of the displacement seat (5), the auxiliary assembly comprises arc-shaped mounting plates (7) rotatably installed in the inside of the displacement seat (5), mounting seats (8) fixedly connected to the outside of the arc-shaped mounting plates (7), and hydraulic cylinders (9) rotatably installed at the top of the base (3) and on one side of the mounting groove (4).

3. A hydraulic wheel blocking device for a rotary kiln as claimed in claim 2, wherein: The auxiliary assembly further comprises T-shaped auxiliary rods (17) arranged in the inside of the arc-shaped mounting plates (7), and auxiliary blocking wheels b (18) rotatably installed at both ends of the T-shaped auxiliary rods (17).

4. A hydraulic wheel blocking device for a rotary kiln as claimed in claim 3, wherein: A monitoring assembly is arranged on the outside of the T-shaped auxiliary rods (17), the monitoring assembly comprises abutting blocks (21) fixedly connected to the outside of the T-shaped auxiliary rods (17), and pressure sensors (19) embedded in the inside of the abutting blocks (21), and a controller (20) fixedly installed on the outside of the base (3).

5. A hydraulic wheel blocking device for a rotary kiln as claimed in claim 3, wherein: A replacement assembly is arranged in the inside of the arc-shaped mounting plates (7), the replacement assembly comprises plug holes (12) formed in the inside of the arc-shaped mounting plates (7), lock holes (16) formed in the inside of the T-shaped auxiliary rods (17), and locking bolts (11) arranged in the inside of the arc-shaped mounting plates (7), and the T-shaped auxiliary rods (17) are connected with the arc-shaped mounting plates (7) through the locking bolts (11).

6. A hydraulic wheel blocking device for a rotary kiln as claimed in claim 5, wherein: The T-shaped auxiliary rods (17) are clamped with the corresponding plug holes (12), and one end of the locking bolt (11) penetrates the inside of the lock hole (16).

7. A hydraulic wheel blocking device for a rotary kiln as claimed in claim 4, wherein: A servo motor (10) is fixedly installed on the outside of the base (3), and the output shaft of the servo motor (10) extends into the inside of the mounting groove (4) and is fixedly connected with the bidirectional screw rod (6).

8. A hydraulic wheel blocking device for a rotary kiln as claimed in claim 7, wherein: The hydraulic cylinder (9), the servo motor (10), the cylinder (13) and the pressure sensor (19) are electrically connected with the controller (20).

Citation Information

Patent Citations

  • Rotary kiln hydraulic catch wheel replacing device

    CN209116736U