Liquid level meter flange assembling tool on chemical equipment

Abstract

The utility model discloses a liquid level meter flange assembling tool on chemical equipment, and relates to the technical field of flange assembling tools. Two fixing mechanisms are arranged on the right side of the connecting plate, an adjusting sliding way is formed in the connecting plate, an adjusting sliding block is arranged on the inner side of the adjusting sliding way, an adjusting rotating plate is arranged at the upper end of the connecting plate, an adjusting lead screw is fixedly connected to the lower end of the adjusting rotating plate, and the lower end of the adjusting lead screw sequentially penetrates through the upper side wall of the adjusting sliding way and the adjusting sliding block. And the inner wall of the lower side of the adjusting slideway is rotationally connected. An adjusting screw rod is driven to rotate through rotation of an adjusting rotating plate, an adjusting sliding block is driven to slide in an adjusting sliding way through cooperation of the adjusting screw rod and the adjusting sliding block, and then the distance between the two fixing mechanisms is adjusted. Meanwhile, under the action of a plurality of expansion rods, the tool can flexibly adapt to liquid level meter flanges of different sizes and positions, and the universality and adaptability of the tool are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of flange assembly tooling, in particular to a flange assembly tooling for a liquid level gauge on chemical equipment. Background Art

[0002] Chemical equipment, such as the level gauge connection flange assembly requirements on heat exchangers are relatively strict, and the dimensional tolerance requirements are as follows: ① The vertical line spacing between the centers of the two pipe flanges of the level gauge should not exceed 1.5mm; ② The sealing surfaces of the two pipe flanges should be in the same vertical plane, and the verticality allowable deviation should not exceed 1mm; ③ The verticality tolerance of the two flange surfaces should not exceed 0.5% of the flange outer diameter. In the prior art, when assembling the level gauge flanges of chemical equipment, the usual practice is to make two connecting plates according to the flange size, mark the position, spot weld them on a section of angle steel, and connect the connecting plate to the level gauge flange with bolts to ensure that the two flange sealing surfaces are on the same vertical plane.

[0003] When welding and fixing the connection flange of the liquid level gauge on the chemical equipment, it is often necessary to use a flange auxiliary fixing mechanism to ensure that the end of the connection flange away from the chemical equipment is in the same plane. However, the existing common auxiliary device is a simple device made of angle steel, round plate, etc. This device is simple and rough to make, and new tooling needs to be remade for different specifications of liquid level gauge flanges. It is difficult to ensure the tolerance requirements of the liquid level gauge flange assembly and it is not durable. Therefore, this application proposes a liquid level gauge flange assembly tooling on chemical equipment to solve the above problems. Utility Model Content

[0004] The utility model aims to provide a flange assembly tool for a liquid level meter on chemical equipment, which solves the technical problems raised in the background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a flange assembly tooling for a liquid level gauge on a chemical equipment comprises a connecting plate, two fixing mechanisms are arranged on the right side of the connecting plate, the fixing mechanisms at the lower end are fixedly connected to the connecting plate, an adjusting slideway is provided on the connecting plate, an adjusting sliding block is arranged on the inner side of the adjusting slideway, an adjusting rotating plate is arranged on the upper end of the connecting plate, an adjusting screw is fixedly connected to the lower end of the adjusting rotating plate, the lower end of the adjusting screw passes through the upper side wall of the adjusting slideway and the adjusting sliding block in sequence, and is rotatably connected to the lower inner wall of the adjusting slideway, the adjusting screw is threadedly connected to the adjusting sliding block, and the adjusting screw is rotatably connected to the upper side wall of the adjusting slideway;

[0006] The fixing mechanism comprises an action bottom plate, on which a plurality of limiting slideways 2 are provided, wherein a sliding frame is slidably connected inside the limiting slideway 2, the sliding frame is in an I-shape, and an expansion rod is fixedly connected to one end of the sliding frame away from the connecting plate.

[0007] Preferably, the working base plate is fixedly connected to one end thereof close to the connecting plate with a connecting tube, a sliding plate is slidably connected inside the connecting tube, a plurality of limiting slides are opened on the side wall of the connecting tube, a plurality of connecting rods are hinged on the outer end of the sliding plate, an end of the connecting rod away from the sliding plate is hinged to an end of the sliding frame close to the connecting plate, the upper end of the connecting tube is fixedly connected to the side wall of the adjusting sliding block, and the lower end of the connecting tube is fixed to the right side wall of the connecting plate.

[0008] Preferably, a plurality of the second limiting slideways and a plurality of the first limiting slideways are respectively located in the same plane, and one end of the expansion rod away from the action bottom plate is fixedly connected to a baffle, and the outer diameter of the baffle is larger than the outer diameter of the expansion rod.

[0009] Preferably, the fixing mechanism also includes a fixing knob, which is located on a side of the connecting plate away from the connecting tube, and one end of the fixing knob close to the connecting plate is fixedly connected to a fixing screw rod, and one end of the fixing screw rod close to the connecting plate at the lower end passes through the connecting plate and is rotatably connected to the side wall of the sliding plate close to the connecting plate at the lower end, and the fixing screw rod at the lower end is threadedly connected to the connecting plate.

[0010] Preferably, the fixed screw rod at the upper end passes through the adjusting sliding block and is rotatably connected to the sliding plate at the upper end close to the side wall of the connecting plate, and the fixed screw rod is threadedly connected to the adjusting sliding block.

[0011] Preferably, a scale indicating arrow is provided on the side wall of the adjusting sliding block away from the working bottom plate, and a scale line is provided on the side wall of the connecting plate away from the working bottom plate.

[0012] Preferably, a level is provided on the side wall of the connecting plate.

[0013] Compared with the related art, the flange assembly of the liquid level gauge on the chemical equipment provided by the utility model has the following beneficial effects on the tooling:

[0014] 1. The utility model provides a level gauge flange assembly tooling for chemical equipment, which drives the adjusting screw to rotate by adjusting the rotation of the rotating plate, drives the adjusting slide block to slide in the adjusting slideway by the cooperation of the adjusting screw and the adjusting slide block, and then adjusts the distance between the two fixing mechanisms. At the same time, under the action of a number of expansion rods, the tooling can flexibly adapt to level gauge flanges of different sizes and positions, thereby improving the versatility and adaptability of the tooling.

[0015] 2. The utility model provides a flange assembly tool for a liquid level gauge on chemical equipment. The fixing mechanism in the device includes an effective base plate, a plurality of limit slideways 2 are arranged on the effective base plate, a sliding frame is slidably connected in the limit slideway 2, and an expansion rod is arranged on the side wall of the sliding frame. When in use, the connecting flange to be installed is brought close to the effective base plate, the expansion rod is passed through the connecting hole on the connecting flange, the fixing knob is turned to push the sliding plate to slide, and the spacing between the plurality of expansion rods is adjusted under the action of the connecting rod, and then the expansion effect of the plurality of expansion rods on the connecting hole of the connecting flange is utilized to fix the position of the connecting flange. The device does not need to frequently tighten the connecting screw to connect the effective base plate with the connecting flange to be installed, and is more convenient to use.

[0016] 3. The utility model provides a level gauge flange assembly tooling for chemical equipment. Scale indicating arrows and scale lines are respectively arranged on the adjusting sliding block and the connecting plate, which can accurately control the sliding distance of the adjusting sliding block, thereby realizing the precise positioning of the level gauge flange. At the same time, the level meter arranged on the side wall of the connecting plate can help the operator to more accurately judge the levelness of the tooling, further improving the positioning accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0018] Figure 2 This is a schematic diagram of the three-dimensional structure of the utility model from another angle;

[0019] Figure 3 for Figure 2 A partial enlarged view of the middle part;

[0020] Figure 4 for Figure 2 A partial enlarged view of point B in the middle;

[0021] Figure 5 It is a three-dimensional structural schematic diagram of the fixing mechanism of the utility model;

[0022] Figure 6 It is a schematic diagram of the cross-sectional three-dimensional structure of the fixing mechanism of the utility model.

[0023] In the figure: 1. connecting plate; 2. fixing mechanism; 3. adjusting slide; 4. adjusting screw; 5. adjusting sliding block; 6. adjusting rotating plate; 7. scale line; 8. spirit level; 9. connecting pipe; 10. limit slide 1; 11. sliding plate; 12. connecting rod; 13. working base plate; 14. limit slide 2; 15. sliding frame; 16. expansion rod; 17. baffle; 18. fixing screw; 19. fixing knob; 20. scale indicator arrow. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0025] See also Figure 1-6 The utility model provides a technical solution: a flange assembly tooling for a liquid level gauge on a chemical equipment, comprising a connecting plate 1, two fixing mechanisms 2 are arranged on the right side of the connecting plate 1, the lower fixing mechanism 2 is fixedly connected to the connecting plate 1, an adjusting slide 3 is opened on the connecting plate 1, an adjusting sliding block 5 is arranged inside the adjusting slide 3, an adjusting rotating plate 6 is arranged at the upper end of the connecting plate 1, an adjusting screw 4 is fixedly connected to the lower end of the adjusting rotating plate 6, the lower end of the adjusting screw 4 passes through the upper side wall of the adjusting slide 3 and the adjusting sliding block 5 in sequence, and is rotatably connected to the lower inner wall of the adjusting slide 3, the adjusting screw 4 is threadedly connected to the adjusting sliding block 5, and the adjusting screw 4 is rotatably connected to the upper side wall of the adjusting slide 3;

[0026] The fixing mechanism 2 includes an action bottom plate 13, on which a plurality of limiting slideways 14 are provided, in which a sliding frame 15 is slidably connected, the sliding frame 15 is in an I-shaped shape, and an expansion rod 16 is fixedly connected to one end of the sliding frame 15 away from the connecting plate 1, and a connecting pipe 9 is fixedly connected to one end of the action bottom plate 13 close to the connecting plate 1, in which a sliding plate 11 is slidably connected, and a plurality of limiting slideways 10 are provided on the side wall of the connecting pipe 9, and a plurality of connecting rods 12 are hingedly connected to the outer end of the sliding plate 11, and the connecting rods The end of the sliding plate 12 away from the sliding plate 11 is hinged to the end of the sliding frame 15 close to the connecting plate 1, the upper end connecting tube 9 is fixedly connected to the side wall of the adjusting sliding block 5, and the lower end connecting tube 9 is fixed to the right side wall of the connecting plate 1. The plurality of limiting slideways 14 and the plurality of limiting slideways 10 are respectively located in the same plane. The end of the expansion rod 16 away from the action bottom plate 13 is fixedly connected to the baffle 17, and the outer diameter of the baffle 17 is larger than the outer diameter of the expansion rod 16. The fixing mechanism 2 also includes a fixing knob 19, which is located on the connecting plate 1 is on the side away from the connecting pipe 9, and one end of the fixing knob 19 close to the connecting plate 1 is fixedly connected with a fixing screw rod 18, and one end of the lower fixing screw rod 18 close to the connecting plate 1 passes through the connecting plate 1, and is rotatably connected with the side wall of the lower sliding plate 11 close to the connecting plate 1, and the lower fixing screw rod 18 is threadedly connected with the connecting plate 1. When the position of the connecting flange to be installed is determined, the connecting flange to be installed is close to the working bottom plate 13, and the expansion rod 16 is passed through the connecting hole on the connecting flange, and the fixing knob 19 is rotated to push the sliding plate 11 to slide, and the spacing between the plurality of expansion rods 16 is adjusted under the action of the connecting rod 12, and then the expansion effect of the plurality of expansion rods 16 on the connecting hole of the connecting flange is used to fix the position of the connecting flange. The device does not need to frequently tighten the connecting screw to connect the working bottom plate 13 with the connecting flange to be installed, and is more convenient to use. In addition, due to the setting of the limiting slideway 14, the distance between the plurality of expansion rods 16 can be adjusted, thereby ensuring that the device can adapt to connecting flanges of different sizes, making the device more adaptable.

[0027] The upper fixed screw 18 passes through the adjusting sliding block 5 and is rotatably connected with the upper sliding plate 11 near the side wall of the connecting plate 1. The fixed screw 18 is threadedly connected with the adjusting sliding block 5, and the adjusting screw 4 is driven to rotate through the station east adjusting rotating plate 6. The action between the adjusting screw 4 and the adjusting sliding block 5 realizes the position adjustment of the upper fixing mechanism 2.

[0028] A scale indicating arrow 20 is provided on the side wall of the adjusting sliding block 5 away from the working bottom plate 13, and a scale line 7 is provided on the side wall of the connecting plate 1 away from the working bottom plate 13. The coordination between the scale line 7 and the scale indicating arrow 20 facilitates the judgment of the distance between the two fixing mechanisms 2 when adjusting;

[0029] A level 8 is provided on the side wall of the connecting plate 1 , and the level 8 can help the operator to more accurately judge the levelness of the tooling, thereby further improving the positioning accuracy.

[0030] Working principle: When in use, the distance between the two fixing mechanisms 2 is adjusted according to the size of the liquid level gauge to be installed. When adjusting, the adjusting rotating plate 6 is rotated to drive the adjusting screw 4 to rotate, and the action between the adjusting screw 4 and the adjusting sliding block 5 is used to realize the position adjustment of the upper fixing mechanism 2. When adjusting, the position of the upper fixing mechanism 2 is determined by the scale indication arrow 20 and the scale line 7, and the connecting flange to be installed is close to the working base plate 13, and the expansion rod 16 is passed through the connecting hole on the connecting flange. The fixing knob 19 is rotated to push the sliding plate 11 to slide. Under the action of the connecting rod 12, the spacing between several expansion rods 16 is adjusted, and then the expansion effect of several expansion rods 16 on the connecting hole of the connecting flange is used to fix the position of the connecting flange. This device does not need to frequently tighten the connecting screw to connect the working base plate 13 with the connecting flange to be installed, and is more convenient to use. When the connecting flange is welded and fixed, the device can be fitted with the chemical equipment. At the same time, the level meter 8 set on the side wall of the connecting plate 1 can help the operator to more accurately judge the levelness of the tooling and further improve the positioning accuracy.

Claims

1. A flange assembly for a level gauge on chemical equipment, comprising a connecting plate (1), characterized in that: Two fixing mechanisms (2) are arranged on the right side of the connecting plate (1), and the fixing mechanisms (2) are fixedly connected to the connecting plate (1) at the lower end. An adjusting slideway (3) is provided on the connecting plate (1), and an adjusting sliding block (5) is arranged inside the adjusting slideway (3). An adjusting rotating plate (6) is arranged at the upper end of the connecting plate (1), and an adjusting screw rod (4) is fixedly connected to the lower end of the adjusting rotating plate (6). The lower end of the adjusting screw rod (4) passes through the upper side wall of the adjusting slideway (3) and the adjusting sliding block (5) in sequence, and is rotatably connected to the lower inner wall of the adjusting slideway (3). The adjusting screw rod (4) is threadedly connected to the adjusting sliding block (5), and the adjusting screw rod (4) is rotatably connected to the upper side wall of the adjusting slideway (3); The fixing mechanism (2) comprises an action base plate (13), on which a plurality of limiting slideways (14) are provided, wherein a sliding frame (15) is slidably connected inside the limiting slideway (14), wherein the sliding frame (15) is in an I-shape, and an expansion rod (16) is fixedly connected to one end of the sliding frame (15) away from the connecting plate (1).

2. The level gauge flange assembly tool for chemical equipment according to claim 1, characterized in that: The end of the working bottom plate (13) close to the connecting plate (1) is fixedly connected to a connecting tube (9), a sliding plate (11) is slidably connected inside the connecting tube (9), a plurality of limiting slideways (10) are provided on the side wall of the connecting tube (9), a plurality of connecting rods (12) are hingedly connected to the outer end of the sliding plate (11), an end of the connecting rod (12) away from the sliding plate (11) is hingedly connected to an end of the sliding frame (15) close to the connecting plate (1), the upper end of the connecting tube (9) is fixedly connected to the side wall of the adjusting sliding block (5), and the lower end of the connecting tube (9) is fixed to the right side wall of the connecting plate (1).

3. The level gauge flange assembly tool for chemical equipment according to claim 2, characterized in that: The plurality of the second limiting slideways (14) and the plurality of the first limiting slideways (10) are respectively located in the same plane, and one end of the expansion rod (16) away from the action base plate (13) is fixedly connected with a baffle (17), and the outer diameter of the baffle (17) is larger than the outer diameter of the expansion rod (16).

4. The level gauge flange assembly tool for chemical equipment according to claim 2, characterized in that: The fixing mechanism (2) further comprises a fixing knob (19), wherein the fixing knob (19) is located on a side of the connecting plate (1) away from the connecting tube (9), and an end of the fixing knob (19) close to the connecting plate (1) is fixedly connected to a fixing screw rod (18), and an end of the fixing screw rod (18) close to the connecting plate (1) at the lower end passes through the connecting plate (1) and is rotatably connected to a side wall of the sliding plate (11) close to the connecting plate (1), and the fixing screw rod (18) at the lower end is threadedly connected to the connecting plate (1).

5. The flange assembly tool for level gauge on chemical equipment according to claim 4, characterized in that: The upper fixed screw rod (18) passes through the adjusting sliding block (5) and is rotatably connected to the upper sliding plate (11) near the side wall of the connecting plate (1). The fixed screw rod (18) is threadedly connected to the adjusting sliding block (5).

6. The level gauge flange assembly tool for chemical equipment according to claim 1, characterized in that: A scale indicating arrow (20) is provided on the side wall of the adjusting sliding block (5) away from the working bottom plate (13), and a scale line (7) is provided on the side wall of the connecting plate (1) away from the working bottom plate (13).

7. The level gauge flange assembly tool for chemical equipment according to claim 1, characterized in that: A level (8) is provided on the side wall of the connecting plate (1).

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