A combined top pressing device for a crystallizer

Abstract

The utility model discloses a kind of combined jacking device for mould jacking, belong to jacking device technical field, comprising: connecting seat, connecting seat bottom is provided with cavity, cavity is provided with jack inside;Connecting seat top is provided with hydraulic actuator, and hydraulic actuator is communicated with external oil supply device;Hydraulic actuator is connected with jack by coupling;Jack includes screw rod, and the both ends of screw rod are respectively provided with limit mechanism.The device can effectively avoid the damage of jack caused by excessive torque output by hydraulic actuator;And by being respectively provided with limit mechanism at the both ends of screw rod of jack, prevent screw rod from being pulled out from inside jack when running to the limit position before and after jack stroke, avoid causing the structural damage of jack, ensure that the device can stably, safely run, to be able to meet the use demand of mould jacking.

Description

Technical Field

[0001] This utility model belongs to the technical field of clamping devices, specifically a combined clamping device for clamping crystallizers. Background Technology

[0002] In the field of continuous casting in iron and steel metallurgy, the crystallizer is the core component of the continuous casting machine. Its main function is to initially solidify high-temperature molten steel into a billet with a certain cross-sectional shape and shell thickness. In order to ensure the stability and accuracy of the crystallizer during operation, it is necessary to use a clamping device to reliably clamp the crystallizer onto the vibration device, so that the crystallizer maintains the correct position and posture during vibration and avoids affecting the quality of the billet due to loosening.

[0003] In related technologies, the drive device for controlling the output torque of a jack inputs oil through an external oil supply device. Currently, only a pressure regulating valve is installed on the external oil supply device. When the oil supply device provides oil to drive mechanisms with different operating pressures, there is a possibility of oil overpressure, which can easily cause damage to the drive mechanism or the jack. Furthermore, without a sensor installed, the lead screw inside the jack may exceed the limit stroke at both ends of the jack during operation, causing the lead screw to dislodge from the jack and resulting in structural damage to the jack.

[0004] Therefore, there is an urgent need for a combined clamping device for crystallizer clamping, which can make the external oil supply device applicable to hydraulic actuators with different pressure requirements, prevent damage to the hydraulic actuators, and prevent the jack screw from exceeding the limit stroke at both ends of the jack, thus meeting the clamping requirements of the crystallizer. Utility Model Content

[0005] The purpose of this invention is to provide a combined clamping device for clamping crystallizers, so as to solve at least one aspect of the problems and defects mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: A combined clamping device for clamping a crystallizer, comprising: A connecting seat, wherein a cavity is provided at the bottom of the connecting seat, and a jack is provided inside the cavity; The top of the connecting seat is equipped with a hydraulic actuator, which is connected to an external oil supply device; The hydraulic actuator is connected to the jack via a coupling; The jack includes a lead screw, and limit mechanisms are respectively provided at both ends of the lead screw.

[0007] The combined clamping device for clamping crystallizers according to the present invention has at least the following technical effects: This combined clamping device for crystallizers uses a hydraulic actuator installed on the top of the connecting seat. The hydraulic actuator adjusts the oil pressure, allowing the external oil supply device to be compatible with hydraulic actuators requiring different pressures. This prevents damage to the hydraulic actuators and effectively avoids excessive torque from damaging the jack. Furthermore, by installing limit mechanisms at both ends of the jack's lead screw, the lead screw is prevented from dislodging from the jack when it reaches its maximum stroke limit, thus avoiding structural damage and ensuring stable and safe operation. This meets the clamping requirements of the crystallizer.

[0008] As a further embodiment of this utility model: the hydraulic actuator includes a drive mechanism and a hydraulic valve, a pressure adjustment device is provided between the drive mechanism and the hydraulic valve, and the drive mechanism is connected to the jack through the coupling.

[0009] As a further embodiment of this utility model: the pressure adjustment device is provided with an oil inlet and an oil outlet, the oil inlet and the oil outlet are respectively connected to a hydraulic valve, and the hydraulic valve is connected to an external oil supply device.

[0010] Because the hydraulic actuator includes a drive mechanism and a hydraulic valve, a pressure regulating device is installed between the drive mechanism and the hydraulic valve. The drive mechanism is connected to the jack via a coupling. The pressure regulating device has an oil inlet and an oil outlet, which are respectively connected to the hydraulic valve. The hydraulic valve is connected to an external oil supply device. The pressure regulating device can effectively regulate the oil pressure input from the external oil supply device, avoiding excessive oil pressure that could lead to excessive torque output by the drive mechanism and damage to the jack. It ensures that the oil pressure is controlled within a suitable range, thereby keeping the output torque of the drive mechanism within a suitable range, effectively improving the performance and lifespan of the jack.

[0011] As a further embodiment of this utility model: pressure regulating valves are respectively provided at both ends of the pressure regulating device, and a compression spring is provided at one end of the pressure regulating valve located inside the pressure regulating device.

[0012] By installing pressure regulating valves at both ends of the pressure regulating device, and a compression spring at one end of the pressure regulating valve inside the pressure regulating device, the pressure relief pressure of the pressure regulating device is adjusted by adjusting the compression of the compression spring. When the pressure at the oil inlet exceeds the preset pressure relief pressure, the pressure regulating device automatically adjusts the compression of the compression spring, allowing the oil to return to the return oil line. When the hydraulic pressure at the oil inlet is less than the preset pressure relief pressure, the oil enters the drive mechanism for normal operation, thus avoiding damage to the drive mechanism, jacks, and other hydraulic components caused by excessively high oil pressure.

[0013] As a further embodiment of this invention, the driving mechanism is a hydraulic motor or a servo motor.

[0014] Since the drive mechanism is either a hydraulic motor or a servo motor, the hydraulic motor has a high power density, enabling it to output a large torque in a small size and weight. During the crystallizer clamping process, a large clamping force is required to ensure the crystallizer is stably installed on the vibrating device; the hydraulic motor, with its high power density, can provide sufficient power within a limited space to meet the high torque requirements of crystallizer clamping. The servo motor, on the other hand, has high-precision position and speed control capabilities. During crystallizer clamping, precise control of the jack's stroke and clamping force is required to ensure the crystallizer's installation accuracy and stability. The servo motor can accurately control the output speed and torque according to the control system's instructions, achieving precise control of the jack's movement, thereby improving the accuracy and quality of crystallizer clamping.

[0015] As a further improvement of this utility model, the limiting mechanism is a limiting nut.

[0016] As a further improvement of this utility model, the limiting mechanism is a retaining ring.

[0017] As a further improvement of this utility model, the limiting mechanism is a baffle.

[0018] Since the limiting mechanism consists of a limiting nut, a retaining ring, or a baffle, the movement of the jack's lead screw can be restricted by these mechanisms. This prevents the lead screw from coming out of the jack when it reaches the limit position before or after the jack's stroke, thus avoiding structural damage to the jack and ensuring stable and safe operation of the device. This, in turn, meets the requirements for tightening the crystallizer.

[0019] As a further embodiment of this invention, it also includes a control system, which is signal-connected to the hydraulic actuator.

[0020] Since the device also includes a control system, which is connected to the hydraulic actuator via signal, when the oil pressure input from the external oil supply device is too high, the control system controls the hydraulic actuator to automatically release the oil pressure, thus avoiding damage to hydraulic components caused by excessive oil pressure, thereby reducing the probability of equipment failure, effectively reducing downtime caused by failure, and improving production efficiency.

[0021] As a further improvement of this utility model, the outer surface of the connector is coated with an anti-corrosion coating.

[0022] By applying an anti-corrosion coating to the outer surface of the connector, the connector can be effectively protected, reducing corrosion or rust on the surface of the connector, ensuring the structural integrity and strength of the connector, thereby improving the connection stability and reliability of the jack and the hydraulic actuator on the connector, and ensuring the performance and life of the tightening device. Attached Figure Description

[0023] To facilitate understanding by those skilled in the art, the present invention will be further described below with reference to the accompanying drawings.

[0024] Figure 1 A three-dimensional structural diagram of a combined clamping device for clamping a crystallizer; Figure 2 A schematic diagram of a combined clamping device drive mechanism and pressure adjustment device for clamping a crystallizer; Figure 3 A cross-sectional schematic diagram of a pressure adjustment device for a combined clamping device used for clamping a crystallizer; Figure 4 A schematic diagram of the main structure of a combined clamping device jack for clamping a crystallizer; Figure 5 for Figure 4 A side view structural diagram.

[0025] Figure label: 1. Connecting seat; 101. Cavity; 2. Jack; 201. Lead screw; 3. Hydraulic actuator; 301. Drive mechanism; 302. Hydraulic valve; 303. Pressure adjustment device; 3031. Pressure regulating valve; 4. Limiting mechanism; 5. Crystallizer. Detailed Implementation

[0026] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0027] In the description of this utility model, it should be understood that the directional descriptions, such as up, down, front, back, left, right, etc., indicate the directional or positional relationship based on the directional or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0028] In the description of this utility model, "several" means one or more, "multiple" means two or more, "greater than," "less than," and "exceeding" are understood to exclude the stated number, while "above," "below," and "within" are understood to include the stated number. If "first" or "second" is used in the description, it is only for the purpose of distinguishing technical features and should not be construed as indicating or implying relative importance, or implicitly indicating the number of indicated technical features, or implicitly indicating the order of the indicated technical features.

[0029] In the description of this utility model, unless otherwise explicitly defined, terms such as "setting," "installation," and "connection" should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of the above terms in this utility model in conjunction with the specific content of the technical solution.

[0030] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only for explaining the present utility model and are not intended to limit the present utility model; that is, the described embodiments are only some embodiments of the present utility model, and not all embodiments. The components of the embodiments of the present utility model described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0031] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0032] like Figure 1 The present invention, as shown in this embodiment, provides a combined clamping device for clamping a crystallizer 5 onto a vibrating device. The device includes: a connecting seat 1 with a cavity 101 at its bottom, and a jack 2 disposed within the cavity 101; a hydraulic actuator 3 disposed at the top of the connecting seat 1, which is connected to an external oil supply device; the hydraulic actuator 3 is connected to the jack 2 via a coupling; the jack 2 includes a lead screw 201, with limit mechanisms 4 disposed at both ends of the lead screw 201.

[0033] Specifically, the combined clamping device for the crystallizer uses a hydraulic actuator 3 installed on the top of the connecting seat 1. The hydraulic actuator 3 adjusts the oil pressure, allowing the external oil supply device to be adapted to hydraulic actuators 3 with different pressure requirements, preventing damage to the hydraulic actuator 3 and effectively avoiding damage to the jack due to excessive torque output by the hydraulic actuator 3. Furthermore, by setting limit mechanisms 4 at both ends of the lead screw 201 of the jack 2, the lead screw 201 is prevented from dislodging from the jack 2 when it reaches the limit position before or after the stroke of the jack 2, thus avoiding structural damage to the jack 2 and ensuring stable and safe operation of the device, thereby meeting the clamping requirements of the crystallizer 5.

[0034] like Figure 2 As shown, the hydraulic actuator 3 includes a drive mechanism 301 and a hydraulic valve 302. A pressure adjusting device 303 is provided between the drive mechanism 301 and the hydraulic valve 302. The drive mechanism 301 is connected to the jack 2 through a coupling. The pressure adjusting device 303 is provided with an oil inlet and an oil outlet, which are connected to the hydraulic valve 302 respectively. The hydraulic valve 302 is connected to an external oil supply device.

[0035] Specifically, the hydraulic actuator 3 includes a drive mechanism 301 and a hydraulic valve 302. A pressure adjusting device 303 is provided between the drive mechanism 301 and the hydraulic valve 302. The drive mechanism 301 is connected to the jack 2 via a coupling. The pressure adjusting device 303 is provided with an oil inlet and an oil outlet, which are respectively connected to the hydraulic valve 302. The hydraulic valve 302 is connected to an external oil supply device. The pressure adjusting device 303 can effectively regulate the oil pressure input from the external oil supply device, avoiding excessive oil pressure that could lead to excessive torque output by the drive mechanism 301 and damage to the jack 2. This ensures that the oil pressure can be controlled within a suitable range, thereby keeping the output torque of the drive mechanism 301 within a suitable range and effectively improving the performance and lifespan of the jack.

[0036] Furthermore, such as Figure 3 As shown, pressure regulating valves 3031 are respectively provided at both ends of the pressure regulating device 303, and a compression spring is provided at one end of the pressure regulating valve 3031 located inside the pressure regulating device 303.

[0037] Specifically, pressure regulating valves 3031 are respectively installed at both ends of the pressure regulating device 303. A compression spring is installed at one end of the pressure regulating valve 3031 inside the pressure regulating device 303. The pressure relief pressure of the pressure regulating device 303 is adjusted by adjusting the compression amount of the compression spring. When the pressure at the oil inlet exceeds the preset pressure relief pressure, the pressure regulating device 303 automatically adjusts the compression amount of the compression spring to return the oil to the return oil line. When the hydraulic pressure at the oil inlet is less than the preset pressure relief pressure, the oil enters the drive mechanism 301 for normal operation, avoiding damage to hydraulic components such as the drive mechanism 301 and the jack 2 caused by excessive oil pressure.

[0038] Furthermore, the drive mechanism 301 is a hydraulic motor or a servo motor.

[0039] Specifically, since the drive mechanism 301 is a hydraulic motor or a servo motor, the hydraulic motor has a high power density, enabling it to output a large torque with a small size and weight. During the clamping operation of the crystallizer 5, a large clamping force is required to ensure the crystallizer 5 is stably installed on the vibrating device; the hydraulic motor, with its high power density, can provide sufficient power within a limited space to meet the high torque requirements of clamping the crystallizer 5. The servo motor, on the other hand, has high-precision position and speed control capabilities. During the clamping process of the crystallizer, it is necessary to precisely control the stroke and clamping force of the jack 2 to ensure the installation accuracy and stability of the crystallizer. The servo motor can accurately control the output speed and torque according to the instructions of the control system, achieving precise control of the movement of the jack 2, thereby improving the accuracy and quality of clamping the crystallizer 5.

[0040] According to embodiments of the present invention, such as Figure 4 and Figure 5 As shown, the limiting mechanism 4 is a limiting nut, a retaining ring, or a baffle.

[0041] Specifically, since the limiting mechanism 4 is a limiting nut, retaining ring, or baffle, the limiting nut, retaining ring, or baffle can all restrict the movement of the lead screw 201 of the jack 2, preventing the lead screw 201 from coming out of the jack 2 when it reaches the limit position before or after the stroke of the jack 2, thus avoiding structural damage to the jack 2 and ensuring that the device can operate stably and safely, thereby meeting the tightening requirements of the crystallizer 5.

[0042] It should also be noted that the device includes a control system, which is connected to the hydraulic actuator 3 via a signal connection.

[0043] Specifically, since the device also includes a control system, which is connected to the hydraulic actuator 3 via a signal, when the oil pressure input from the external oil supply device is too high, the hydraulic actuator 3 is controlled by the control system to automatically release the oil pressure, thus avoiding damage to hydraulic components caused by excessive oil pressure, thereby reducing the probability of equipment failure, effectively reducing downtime caused by failure, and improving production efficiency.

[0044] Furthermore, the outer surface of the connector 1 is coated with an anti-corrosion coating.

[0045] Specifically, by coating the outer surface of the connecting seat 1 with an anti-corrosion coating, the connecting seat 1 can be effectively protected, reducing corrosion or rust on the surface of the connecting seat 1, ensuring the structural integrity and strength of the connecting seat 1, thereby improving the connection stability and reliability of the jack 2 and the hydraulic actuator 3 on the connecting seat 1, and ensuring the performance and life of the tightening device.

[0046] The above description is merely an example and illustration of the structure of this utility model. Those skilled in the art can make various modifications or additions to the specific embodiments described or use similar methods to replace them, as long as they do not deviate from the structure of the utility model or exceed the scope defined in the claims, they should all fall within the protection scope of this utility model.

Claims

1. A combined clamping device for clamping a crystallizer, characterized in that, include: A connecting seat (1) is provided with a cavity (101) at the bottom of the connecting seat (1), and a jack (2) is provided in the cavity (101). The top of the connecting seat (1) is provided with a hydraulic actuator (3), which is connected to an external oil supply device; The hydraulic actuator (3) is connected to the jack (2) via a coupling; The jack (2) includes a lead screw (201), and limit mechanisms (4) are respectively provided at both ends of the lead screw (201).

2. The combined clamping device for clamping a crystallizer according to claim 1, characterized in that, The hydraulic actuator (3) includes a drive mechanism (301) and a hydraulic valve (302). A pressure adjustment device (303) is provided between the drive mechanism (301) and the hydraulic valve (302). The drive mechanism (301) is connected to the jack (2) through the coupling.

3. The combined clamping device for clamping a crystallizer according to claim 2, characterized in that, The pressure adjustment device (303) is provided with an oil inlet and an oil outlet, which are respectively connected to the hydraulic valve (302), and the hydraulic valve (302) is connected to an external oil supply device.

4. The combined clamping device for clamping a crystallizer according to claim 3, characterized in that, The pressure regulating device (303) is provided with pressure regulating valves (3031) at both ends, and a compression spring is provided at one end of the pressure regulating valve (3031) located inside the pressure regulating device (303).

5. The combined clamping device for clamping a crystallizer according to claim 4, characterized in that, The drive mechanism (301) is a hydraulic motor or a servo motor.

6. The combined clamping device for clamping a crystallizer according to claim 1, characterized in that, The limiting mechanism (4) is a limiting nut.

7. The combined clamping device for clamping a crystallizer according to claim 1, characterized in that, The limiting mechanism (4) is a retaining ring.

8. The combined clamping device for clamping a crystallizer according to claim 1, characterized in that, The limiting mechanism (4) is a baffle.

9. The combined clamping device for clamping a crystallizer according to any one of claims 1 to 8, characterized in that, It also includes a control system, which is signal-connected to the hydraulic actuator (3).

10. The combined clamping device for clamping a crystallizer according to claim 9, characterized in that, The outer surface of the connector (1) is coated with an anti-corrosion coating.

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