Positioning device for secondary cooling chamber calandria of billet continuous casting machine

Abstract

The utility model discloses a positioning device for a secondary cooling chamber calandria of a billet continuous casting machine, and relates to the technical field of steelmaking continuous casting machines. The adjusting device comprises a support and a support, the support is formed by connecting four steel pipes in a cross mode, the four steel pipes correspond to the positions of water nozzles of all sections of the secondary cooling chamber, adjusting rods are installed on four pipe openings of the support in a matched mode, the support is in a long strip shape, and the support is placed on carrier rollers of the secondary cooling chamber to support the whole support. A circular ring with internal threads is arranged in the middle of the support, external threads are arranged on the support lower end steel pipe, and the support is installed on the support lower end steel pipe through the circular ring in a matched mode. The device is ingenious in design, easy to manufacture, convenient and safe to use, capable of serving for a long time and suitable for the square billet continuous casting machine secondary cooling chamber with various sections, materials are easy to obtain, and the installation and correction precision of the square billet continuous casting machine secondary cooling chamber calandria is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of steel-making continuous casting machines, in particular to a positioning device for a second cooling chamber pipe of a square billet continuous casting machine. Background Art

[0002] The secondary cooling chamber pipe of continuous casting is an important equipment of the square billet continuous casting machine. Its function is to spray secondary cooling water through the water nozzle on the pipe to perform secondary cooling on the billet exiting the lower mouth of the crystallizer to accelerate the solidification of the billet. It is a powerful guarantee for increasing the casting speed of the continuous casting machine and controlling the quality of the produced billet.

[0003] During installation and calibration of the secondary cooling chamber row pipes of the existing square billet continuous casting machine, simple tools such as steel tape measures are used to position the row pipes. Due to the different cross-sections of the continuous casting machine billets, the small space of the secondary cooling chamber and the high-altitude operations involved, and the obstruction of the secondary cooling chamber rollers, the existing square billet continuous casting machine secondary cooling chamber row pipes cannot be accurately positioned during installation and calibration, the distance between the billet and the water nozzle does not correspond to the model of the water nozzle, the spacing between the inner and outer arc and side arc row pipes and the billet is asymmetrical, and the misalignment of the row pipes causes uneven cooling of the billet and reduced secondary cooling efficiency of the billet. At the same time, the installation and calibration of the secondary cooling chamber row pipes take a long time, resulting in low efficiency. Utility Model Content

[0004] In view of the above technical problems, the utility model provides a positioning device for a second cooling chamber pipe of a square billet continuous casting machine, which is used to solve the problem of low installation and calibration accuracy of the second cooling chamber pipe of the square billet continuous casting machine in the existing equipment.

[0005] In order to achieve the above purpose, the technical solution of the utility model is as follows:

[0006] A positioning device for a secondary cooling chamber pipe of a square billet continuous casting machine comprises a bracket and a support, wherein the bracket is formed by four steel pipes connected in a cross, the four steel pipes correspond to the positions of water nozzles in each section of the secondary cooling chamber, and the four pipe openings of the bracket are all equipped with adjusting rods, the support is installed on the steel pipe at the lower end of the bracket, the support is supported on the roller of the secondary cooling chamber, the support is in the shape of an elongated strip, and a circular ring with internal threads is provided in the middle of the support, the steel pipe at the lower end of the bracket is provided with external threads, and the support is installed on the steel pipe at the lower end of the bracket through the circular ring.

[0007] The support is connected to the adjusting rod through threads, and a fixing nut is installed on the adjusting rod.

[0008] Two adjusting nuts are installed on the steel pipe at the lower end of the bracket, and the support is located between the two adjusting nuts.

[0009] A plurality of long holes are arranged on both sides of the support, and clamping plates are installed in the long holes.

[0010] A locking device is provided at the lower end of the clamping plate.

[0011] The locking device is a thread and a nut.

[0012] Compared with the prior art, the utility model has the following beneficial effects: the utility model has ingenious design, simple manufacture, easy material acquisition, convenient and safe use, can be in long-term service and can adapt to the secondary cooling chamber of the square billet continuous casting machine with various cross-sections. After applying the device, the distance between the support and the center of the bracket is adjusted to 1 / 2 of the thickness of the billet, and the distance between the top of the adjusting rod and the center of the bracket is adjusted according to the model of the water nozzles of each section of the secondary cooling chamber. The device is placed on the roller or arc frame of the secondary cooling chamber, which can realize the precise positioning of the installation and correction of the secondary cooling chamber pipe of the square billet continuous casting machine, ensure the uniformity of the cooling of the billet, and create good conditions for the stable control of the quality of the billet cast by the continuous casting machine, release of production capacity, and improvement of the accuracy and efficiency of the installation and correction of the secondary cooling chamber pipe of the square billet continuous casting machine. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of the utility model;

[0014] Figure 2 It is a schematic diagram of the support structure of the utility model.

[0015] Description of reference numerals:

[0016] 1. Bracket; 2. Support; 3. Adjusting rod 4. Ring; 5. Fixing nut; 6. Adjusting nut; 7. Clamp; 8. Locking device; 9. Long hole. DETAILED DESCRIPTION

[0017] In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model is further described in detail below in combination with specific implementation methods and with reference to the accompanying drawings. It should be understood that these descriptions are only exemplary and are not intended to limit the scope of the utility model. In addition, in the following description, the description of well-known structures and technologies is omitted to avoid unnecessary confusion of the concept of the utility model.

[0018] A positioning device for a pipe arrangement in a second cooling chamber of a billet continuous casting machine comprises a bracket 1 and a support 2. The bracket 1 is formed by four steel pipes connected in a cross shape. The four steel pipes correspond to the positions of the water nozzles in each section of the second cooling chamber. An adjusting rod 3 is installed on the four pipe openings of the bracket 1. The support 2 is in the shape of an elongated strip. The support 2 is placed on the roller of the second cooling chamber to support the entire bracket 1. A circular ring 4 with an internal thread is provided in the middle of the support 2. The steel pipe at the lower end of the bracket 1 is provided with an external thread. The support 2 is installed on the steel pipe at the lower end of the bracket 1 through the circular ring 4. After applying this device, the distance between the support 2 and the center of the bracket 1 is adjusted to 1 / 2 of the thickness of the billet, and the distance between the top of the spacing adjustment rod 3 and the center of the bracket 1 is adjusted according to the model of the water nozzles in each section of the secondary cooling chamber. The device is placed on the rollers or arc-shaped frame of the secondary cooling chamber, which can achieve precise positioning during installation and correction of the secondary cooling chamber pipe of the square billet continuous casting machine, ensure the uniformity of the cooling of the billet, and create good conditions for stable control of the billet quality of the continuous casting machine, release of production capacity, and improvement of the accuracy and efficiency of the installation and correction of the secondary cooling chamber pipe of the square billet continuous casting machine.

[0019] The support 2 and the adjusting rod 3 are connected by threads, and a fixing nut 5 is installed on the adjusting rod 3. The adjusting rod 3 is rotated to adjust the spacing, and the adjusted adjusting rod 3 is tightened and fixed by the fixing nut 5.

[0020] Two adjusting nuts 6 are installed on the steel pipe at the lower end of the bracket 1, and the support 2 is located between the two adjusting nuts 6. The distance between the support 2 and the center of the bracket 1 is adjusted according to the actual situation on site, and it is fixed by the adjusting nuts 6 to ensure the accuracy of positioning.

[0021] A plurality of elongated holes 9 are provided on both sides of the support 2, and a clamping plate 7 is installed in the elongated holes 9. The position of the clamping plate 7 is adjusted through the elongated holes 9 according to the size of the arc frame and the roller.

[0022] A locking device 8 is provided at the lower end of the clamping plate 7 .

[0023] The locking device 8 is a thread and a nut.

[0024] Embodiment 1,

[0025] Step 1: According to the cross-sectional dimensions of the produced square billet, determine the data of 1 / 2 of the billet thickness, adjust the adjusting nut 6, adjust the distance between the support 2 and the center of the bracket 1 to 1 / 2 of the billet thickness, and tighten the adjusting nut 6.

[0026] Step 2: Calculate the distance between the inner and outer arc and side arc nozzles and the center of the ingot according to the nozzle models of each section of the second cooling chamber; connect 4 adjusting rods 3 to the bracket 1, and adjust the distance between the top of each adjusting rod 3 and the center of the bracket 1 according to the distance between the inner and outer arc and side arc nozzles and the center of the ingot. The upper and lower adjusting rods 3 represent the outer arc and the inner arc respectively, and the left and right adjusting rods 3 represent the side arc. After adjusting the adjusting rods 3, tighten the fixing nuts 5.

[0027] Step 3: Install faucets on all inner and outer arc and side arc drainage pipes, ensure that the distance between the top of the faucet and the root of the drainage pipe is consistent, and prepare to install the drainage pipes.

[0028] Step 4: Place the support 2 of the device on the secondary cooling chamber roller or arc frame. The support 2 can rotate in the direction. When placed on the arc frame, the support 2 and the bracket 1 are in the same plane. When placed on the secondary cooling chamber roller, the support 2 and the bracket 1 are in two vertical planes. After the device is placed, push the water nozzles on the inner and outer arc and side arc pipes to the top of the adjusting rod 3 in their respective directions, and install and reinforce the pipes from top to bottom or from bottom to top.

[0029] Step 5: The operation method for calibrating the inner and outer arc and side arc drainage pipes is the same as that of step 4. Push the water nozzles on the inner and outer arc and side arc drainage pipes to the top of the adjustment rod 3 in their respective directions, and calibrate and reinforce the drainage pipes from top to bottom or from bottom to top.

[0030] Step 6: After the installation and calibration of the inner and outer arc and side arc pipes are completed, take out the device for use.

[0031] The utility model has the advantages of ingenious design, simple manufacture, easy material acquisition, convenient and safe use, long-term service and adaptability to the secondary cooling chamber of the square billet continuous casting machine with various cross sections, thereby improving the accuracy of installation and correction of the discharge pipes in the secondary cooling chamber of the square billet continuous casting machine.

[0032] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A positioning device for the second cooling chamber pipe of a billet continuous casting machine, characterized in that: The invention comprises a bracket (1) and a support (2), wherein the bracket (1) is formed by four steel pipes connected in a cross shape, the four steel pipes corresponding to the positions of the water nozzles of each section of the second cooling chamber, and the four pipe openings of the bracket (1) are all equipped with adjustment rods (3). The support (2) is installed on the steel pipe at the lower end of the bracket (1), and the support (2) is supported on the roller of the second cooling chamber. The support (2) is in the shape of an elongated strip, and a circular ring (4) with an internal thread is provided in the middle of the support (2). The steel pipe at the lower end of the bracket (1) is equipped with an external thread, and the support (2) is equipped with the circular ring (4) on the steel pipe at the lower end of the bracket (1).

2. The positioning device for the secondary cooling chamber pipe of a billet continuous casting machine according to claim 1, characterized in that: The support (2) and the adjusting rod (3) are connected via threads, and a fixing nut (5) is installed on the adjusting rod (3).

3. The positioning device for the secondary cooling chamber pipe of a billet continuous casting machine according to claim 2, characterized in that: Two adjusting nuts (6) are installed on the steel pipe at the lower end of the bracket (1), and the support (2) is located between the two adjusting nuts (6).

4. The positioning device for the secondary cooling chamber pipe of a billet continuous casting machine according to claim 3, characterized in that: A plurality of elongated holes (9) are provided on both sides of the support (2), and a clamping plate (7) is installed in the elongated holes (9).

5. The positioning device for the secondary cooling chamber pipe of a billet continuous casting machine according to claim 4, characterized in that: A locking device (8) is provided at the lower end of the clamping plate (7).

6. The positioning device for the secondary cooling chamber pipe of a billet continuous casting machine according to claim 5, characterized in that: The locking device (8) is a thread and a nut.

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