High-temperature-resistant and high-load CARB bearing for continuous casting machine

Abstract

The utility model relates to the technical field of bearings, in particular to a high-temperature-resistant and high-load CARB bearing for a continuous casting machine, which comprises an outer ring and a stretching device, a groove is arranged on the surface of the outer ring, a lantern ring is arranged inside the outer ring, a roller is rotatably connected inside the lantern ring, an inner ring is arranged inside the lantern ring, and the inner ring is connected with the roller. The stretching device is arranged in the lantern ring, the stretching device comprises a stretching opening and a moving groove, the stretching opening is formed in the surface of the lantern ring, the moving groove is formed in the surface of the lantern ring, and the inner wall of the stretching opening is fixedly connected with a connecting column. By arranging the stretching device, the lantern ring is effectively folded and unfolded, the function of folding and unfolding the lantern ring is achieved, and the problems that when equipment is used, when the lantern ring is generally installed in an outer ring, a hammer is generally used for knocking installation, the equipment is prone to being damaged by knocking, the service life of the equipment is greatly shortened, and the equipment is not damaged are solved. And the practicability of the equipment is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of bearings, in particular to a high-temperature resistant and high-load CARB bearing for a continuous casting machine. Background Art

[0002] Continuous casting machine is a production process that continuously casts high-temperature molten steel into ingots with certain cross-sectional shapes and certain dimensions. The equipment required to complete this process is called continuous casting equipment. The electromechanical and hydraulic integration of steel casting equipment, continuous casting machine main equipment, cutting area equipment, ingot rod collection and conveying equipment constitutes the core equipment of continuous casting, which is usually called continuous casting machine. CARB toroidal roller bearing is a new type of radial roller bearing. This compact self-aligning roller bearing is developed by SKF, combining the self-aligning ability of spherical roller bearings with the unlimited axial displacement ability of cylindrical roller bearings. It can also have a smaller cross-sectional area, which is usually only available for needle roller bearings.

[0003] Prior art includes a utility model with publication number CN218118338U, which discloses a CARB bearing dedicated to a continuous casting machine ESP. The patent adopts an outer ring, wherein a plurality of rollers are arranged inside the outer ring, connecting rings are symmetrically arranged between the two ends of the plurality of rollers, an inner ring is arranged between the plurality of rollers, and connecting bolts are symmetrically arranged on the top and bottom of the outer ring and the inner ring, a top plate is arranged inside the inner ring, and an arc-shaped installation is arranged on one side of the top plate. The utility model device solves the problem that most of the bearings need to be knocked into the driving shaft using a specific tool during the connection process, but if the connection is performed in this way, not only is the disassembly and assembly complicated, but it is also easy to damage the bearing, making the subsequent maintenance more difficult. At the same time, most of the existing bearings are connected as a whole, which makes assembly difficult, thereby reducing the production efficiency.

[0004] In daily work, during the installation of equipment, there is a problem that when the equipment is installed between the sleeve ring and the inner part of the outer ring, a hammer is generally used for knocking installation, which can easily cause damage to the equipment and greatly reduce the service life of the equipment. Utility Model Content

[0005] The utility model aims to solve the defect in the prior art that a hammer is needed to be used to knock the equipment during installation, thus causing damage to the equipment, and proposes a high-temperature resistant and high-load CARB bearing for a continuous casting machine.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a high-temperature resistant and high-load CARB bearing for a continuous casting machine, comprising an outer ring and a stretching device, the surface of the outer ring is provided with a groove, the interior of the outer ring is provided with a collar, the interior of the collar is rotatably connected with a roller, the interior of the collar is provided with an inner ring, the stretching device is arranged inside the collar, the stretching device comprises a stretching port and a movable groove, the stretching port is provided on the surface of the collar, the movable groove is provided on the surface of the collar, the inner wall of the stretching port is fixedly connected with a connecting column, and the inner wall of the stretching port is fixedly connected with a connecting rod.

[0007] Furthermore, a connecting groove is provided at one end of the connecting column away from the stretching opening, and the connecting rod is slidably connected to the inner wall of the connecting groove. By setting the connecting rod, the ring can be limited and connected, thereby reducing the situation where the ring is prone to a large opening when the device is in use.

[0008] Furthermore, a slider is fixedly connected to one end of the connecting rod away from the stretching opening, and the slider is slidably connected to the inner wall of the connecting groove. The slider is provided to facilitate limiting the first spring.

[0009] Furthermore, one end of the slider away from the connecting rod is fixedly connected to a first spring, and one end of the first spring away from the slider is fixedly connected to the inner wall of the connecting groove. The first spring is provided to facilitate applying a restoring elastic force to the connecting rod.

[0010] Furthermore, a protective device is provided on the surface of the inner ring, and the protective device includes a protective cover and a slot, the slot is provided on the outer wall of the inner ring, the protective cover is arranged between the inner and outer rings, the inner wall of the outer ring is provided with a slide groove, the interior of the protective cover is provided with a pressure groove, and the surface of the protective cover is provided with a pull hole, the inner wall of the pressure groove is slidably connected with a card ball, one end of the card ball is slidably connected to the inside of the slide groove, the end of the card ball away from the slide groove is fixedly connected with a second spring, and the end of the second spring away from the card ball is fixedly connected to the inner wall of the pressure groove. By providing the protective cover, the inner and outer rings can be protected, thereby reducing the situation where debris is easily entered into the inner and outer rings when the equipment is in use.

[0011] Furthermore, a clamping rod is slidably connected to the inner wall of the pulling hole, and one end of the clamping rod is clamped with the inner wall of the clamping groove. The clamping rod is provided to facilitate the restriction of the protective cover.

[0012] Furthermore, one end of the clamping rod away from the clamping slot is fixedly connected to a third spring, and one end of the third spring away from the clamping rod is fixedly connected to the inner wall of the pulling hole. The third spring is provided to facilitate applying a reset elastic force to the clamping rod.

[0013] Compared with the prior art, the advantages and positive effects of the utility model are:

[0014] In the utility model, when the device is in use, the user installs the roller with the inside of the collar, then combines the collar with the inside of the outer ring, then installs the inner ring with the inside of the collar, the roller contacts and rotates with the inner ring surface and the inside of the outer ring respectively, when the device is in use, the user retracts the collar as a whole toward the stretching port through the moving groove, then moves the connecting rod to drive the slider to move, when the slider moves, it drives the first spring to displace and deform to generate elastic force, then the collar contracts, and the retracted collar is installed with the inside of the outer ring, by setting the stretching device, the collar is effectively retracted and released, which plays the role of retracting and releasing the collar, and reduces the use of the device. When the device is in use, the collar is generally installed with the inside of the outer ring, and a hammer is generally used for knocking and installation. The knocking is easy to cause damage to the device, which greatly reduces the service life of the device and improves the practicality of the device.

[0015] In the utility model, by providing a protective device, when the equipment is in use, the user pulls the card rod, and the card rod moves to drive the third spring to be displaced and deformed to generate elastic force, and the card rod is separated from the inside of the card slot, and the protective cover is freed from restraint, and the protective cover is pulled to separate from between the inner and outer rings. By providing a protective device, the equipment is effectively protected, and the function of preventing large and small particles from entering between the inner and outer rings is played, which reduces the possibility of particles entering between the inner and outer rings when the equipment is in use, thereby increasing the friction of the equipment and causing the life of the equipment to be reduced, thereby improving the practicality of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A three-dimensional structural diagram of a high-temperature-resistant and high-load CARB bearing for a continuous casting machine is proposed for the utility model;

[0017] Figure 2 The utility model provides a schematic diagram of the internal structure of a high temperature resistant and high load CARB bearing for a continuous casting machine;

[0018] Figure 3 The utility model provides a structural schematic diagram of a stretching device for a high temperature resistant and high load CARB bearing for a continuous casting machine;

[0019] Figure 4 The utility model proposes a high temperature resistant and high load CARB bearing for continuous casting machine. Figure 3 Schematic diagram of the structure at A in the middle;

[0020] Figure 5 A partial structural schematic diagram of a high temperature resistant and high load CARB bearing for a continuous casting machine is proposed for the utility model;

[0021] Figure 6 The utility model proposes a high temperature resistant and high load CARB bearing for continuous casting machine. Figure 5 Schematic diagram of the structure at point B in the middle.

[0022] Legend: 1. Outer ring; 2. Inner ring; 3. Groove; 4. Ring; 5. Roller; 6. Stretching device; 61. Connecting rod; 62. Connecting column; 63. Connecting groove; 64. Slider; 65. First spring; 66. Moving groove; 67. Stretching mouth; 7. Protective device; 71. Protective cover; 72. Slot; 73. Pull hole; 74. Slide groove; 75. Pressing groove; 76. Blocking ball; 77. Second spring; 78. Blocking rod; 79. Third spring. DETAILED DESCRIPTION

[0023] See also Figure 1-Figure 6 The utility model provides a technical solution: a high temperature resistant and high load CARB bearing for a continuous casting machine, comprising an outer ring 1 and a stretching device 6, a groove 3 is provided on the surface of the outer ring 1, a sleeve ring 4 is arranged inside the outer ring 1, a roller 5 is rotatably connected inside the sleeve ring 4, and an inner ring 2 is arranged inside the sleeve ring 4.

[0024] The specific arrangement and function of the stretching device 6 and the protective device 7 will be described in detail below.

[0025] In this embodiment: the stretching device 6 is arranged inside the ring 4, and the stretching device 6 includes a stretching port 67 and a movable groove 66. The stretching port 67 is opened on the surface of the ring 4, and the movable groove 66 is opened on the surface of the ring 4. The inner wall of the stretching port 67 is fixedly connected with a connecting column 62, and the inner wall of the stretching port 67 is fixedly connected with a connecting rod 61.

[0026] Specifically, a connecting groove 63 is formed at one end of the connecting column 62 away from the stretching opening 67 , and the connecting rod 61 is slidably connected to the inner wall of the connecting groove 63 .

[0027] In this embodiment, the connection rod 61 is provided to limit the connection of the collar 4, thereby reducing the risk of the collar 4 opening being too large when the device is in use.

[0028] Specifically, one end of the connecting rod 61 away from the stretching opening 67 is fixedly connected with a slider 64 , and the slider 64 is slidably connected to the inner wall of the connecting groove 63 . The slider 64 is provided to facilitate limiting the first spring 65 .

[0029] Specifically, one end of the slider 64 away from the connecting rod 61 is fixedly connected to the first spring 65 , and one end of the first spring 65 away from the slider 64 is fixedly connected to the inner wall of the connecting groove 63 . The first spring 65 is provided to facilitate applying a restoring elastic force to the connecting rod 61 .

[0030] In this embodiment: a protective device 7 is provided on the surface of the inner ring 2, and the protective device 7 includes a protective cover 71 and a slot 72. The slot 72 is provided on the outer wall of the inner ring 2, and the protective cover 71 is arranged between the inner and outer rings 1. A sliding groove 74 is provided on the inner wall of the outer ring 1, and a pressing groove 75 is provided inside the protective cover 71. A pulling hole 73 is provided on the surface of the protective cover 71. A locking ball 76 is slidably connected to the inner wall of the pressing groove 75, and one end of the locking ball 76 is slidably connected to the inside of the sliding groove 74. The end of the locking ball 76 away from the sliding groove 74 is fixedly connected to a second spring 77, and the end of the second spring 77 away from the locking ball 76 is fixedly connected to the inner wall of the pressing groove 75.

[0031] In this embodiment, by providing a protective cover 71, the inner and outer rings 1 can be protected, thereby reducing the risk of foreign matter entering the inner and outer rings 1 when the device is in use.

[0032] Specifically, a clamping rod 78 is slidably connected to the inner wall of the pulling hole 73 , and one end of the clamping rod 78 is clamped with the inner wall of the clamping groove 72 . The clamping rod 78 is provided to facilitate the restriction of the protective cover 71 .

[0033] Specifically, one end of the latch rod 78 away from the latch slot 72 is fixedly connected to the third spring 79 , and one end of the third spring 79 away from the latch rod 78 is fixedly connected to the inner wall of the pull hole 73 . The third spring 79 is provided to facilitate applying a restoring elastic force to the latch rod 78 .

[0034] Working principle: When the equipment is in use, the user installs the roller 5 with the inside of the collar 4, then combines the collar 4 with the inside of the outer ring 1, and then installs the inner ring 2 with the inside of the collar 4. The roller 5 contacts and rotates with the surface of the inner ring 2 and the inside of the outer ring 1 respectively. When the equipment is in use, the user retracts the collar 4 as a whole toward the stretching opening 67 through the moving groove 66, and then the connecting rod 61 moves to drive the slider 64 to move. When the slider 64 moves, it drives the first spring 65 to displace and deform to generate elastic force, and then the collar 4 contracts, and the contracted collar 4 is installed with the inside of the outer ring 1. By setting the stretching device 6, the collar 4 is effectively retracted and released, which plays the role of retracting and releasing the collar 4, reducing the equipment in use. When the equipment generally installs the collar 4 with the inside of the outer ring 1, a hammer is generally used for knocking and installation. Knocking can easily cause damage to the equipment, greatly reducing the service life of the equipment and improving the practicality of the equipment.

[0035] When the device is in use, the user pulls the card rod 78, and the card rod 78 moves to drive the third spring 79 to displace and deform to generate elastic force, and then the card rod 78 is separated from the inside of the card slot 72, and the protective cover 71 is unrestrained, and the protective cover 71 is pulled out of between the inner and outer rings 1. By setting up the protective device 7, the device is effectively protected, and the role of protecting large and small particles from entering between the inner and outer rings 1 is played, which reduces the situation where particles enter between the inner and outer rings 1 when the device is in use, increases the friction of the device, and reduces the life of the device, thereby improving the practicability of the device.

Claims

1. A high temperature resistant and high load CARB bearing for a continuous casting machine, comprising an outer ring (1) and a stretching device (6), characterized in that: A groove (3) is provided on the surface of the outer ring (1), a sleeve ring (4) is provided inside the outer ring (1), a roller (5) is rotatably connected inside the sleeve ring (4), an inner ring (2) is provided inside the sleeve ring (4), the stretching device (6) is provided inside the sleeve ring (4), the stretching device (6) comprises a stretching opening (67) and a movable groove (66), the stretching opening (67) is provided on the surface of the sleeve ring (4), the movable groove (66) is provided on the surface of the sleeve ring (4), a connecting column (62) is fixedly connected to the inner wall of the stretching opening (67), and a connecting rod (61) is fixedly connected to the inner wall of the stretching opening (67).

2. The high temperature resistant and high load CARB bearing for continuous casting machine according to claim 1, characterized in that: A connecting groove (63) is formed at one end of the connecting column (62) away from the stretching opening (67), and the connecting rod (61) is slidably connected to the inner wall of the connecting groove (63).

3. The high temperature resistant and high load CARB bearing for continuous casting machine according to claim 2, characterized in that: One end of the connecting rod (61) away from the stretching opening (67) is fixedly connected to a sliding block (64), and the sliding block (64) is slidably connected to the inner wall of the connecting groove (63).

4. The high temperature resistant and high load CARB bearing for continuous casting machine according to claim 3, characterized in that: One end of the slider (64) away from the connecting rod (61) is fixedly connected to a first spring (65), and one end of the first spring (65) away from the slider (64) is fixedly connected to the inner wall of the connecting groove (63).

5. The high temperature resistant and high load CARB bearing for continuous casting machine according to claim 1, characterized in that: A protective device (7) is provided on the surface of the inner ring (2), and the protective device (7) comprises a protective cover (71) and a clamping groove (72). The clamping groove (72) is provided on the outer wall of the inner ring (2), and the protective cover (71) is arranged between the inner and outer rings (1). A sliding groove (74) is provided on the inner wall of the outer ring (1), and a pressing groove (75) is provided inside the protective cover (71). A pulling hole (73) is provided on the surface of the protective cover (71), and a clamping ball (76) is slidably connected to the inner wall of the pressing groove (75). One end of the clamping ball (76) is slidably connected to the inside of the sliding groove (74), and one end of the clamping ball (76) is fixedly connected to a second spring (77) away from the sliding groove (74), and one end of the second spring (77) away from the clamping ball (76) is fixedly connected to the inner wall of the pressing groove (75).

6. A high temperature resistant and high load CARB bearing for a continuous casting machine according to claim 5, characterized in that: The inner wall of the pulling hole (73) is slidably connected with a clamping rod (78), and one end of the clamping rod (78) is clamped with the inner wall of the clamping groove (72).

7. A high temperature resistant and high load CARB bearing for a continuous casting machine according to claim 6, characterized in that: One end of the clamping rod (78) away from the clamping slot (72) is fixedly connected to a third spring (79), and one end of the third spring (79) away from the clamping rod (78) is fixedly connected to the inner wall of the pulling hole (73).

Images