Hydraulic flange separator capable of preventing flange from being damaged

Abstract

The utility model relates to a hydraulic flange separator capable of preventing a flange from being damaged, and aims to solve the technical problem that the flange is poorer in effect of preventing the flange from being damaged due to the fact that the stress on the flange is point stress when the flange is separated at present, the hydraulic flange separator comprises two upper arc-shaped plates and two lower arc-shaped plates, three hydraulic cylinders are installed on the same side of one upper arc-shaped plate and the same side of one lower arc-shaped plate, the driving ends of the hydraulic cylinders on the upper arc-shaped plates and the driving ends of the hydraulic cylinders on the lower arc-shaped plates are fixedly connected with the other upper arc-shaped plate and the other lower arc-shaped plate correspondingly, and connecting rods are fixedly connected to the inner sides of the two upper arc-shaped plates and the inner sides of the two lower arc-shaped plates correspondingly. The flange separation protection device has the advantages that the stress for flange separation is changed into a stress surface, the contact area between the arc-shaped separation plates and the flange is increased, and the flange separation protection effect is further improved.

Description

Technical Field

[0001] The utility model relates to the field of flange separators, in particular to a hydraulic flange separator for preventing flange damage. Background Art

[0002] Flange separators are equipment for separating large industrial machines, and are divided into integrated hydraulic flange separators and split flange separators. They are mainly used in pipeline maintenance, pipeline construction, testing and flange replacement, maintenance gaskets, pressure vessels, cylinder head opening, power plants, bearing removal, oil-electric drilling, motor rotor removal, offshore platforms, jacking work, shipbuilding, industrial equipment, horizontal movement of workpieces and other industries. They are mainly used in pipeline maintenance, pipeline construction, testing and flange replacement, maintenance gaskets, pressure vessels, cylinder head opening, power plants, bearing removal, oil-electric drilling, motor rotor removal, offshore platforms, jacking work, shipbuilding, industrial equipment, horizontal movement of workpieces and other industries.

[0003] According to the patent CN212146241U, a hydraulic flange separator is provided to prevent flange surface damage, the arc-shaped mounting frame body is composed of a first mounting frame and a second mounting frame, the first mounting frame is welded to the lower surface of the second mounting frame; the outer wall of the first mounting frame is provided with a fixing groove, the fixing groove is threadedly connected with a separator body, the separator body is composed of a separator, a bearing and a threaded rod, the upper surface of the separator is embedded with a bearing, and a threaded rod is welded in the bearing. In the process of realizing the utility model, the inventor found that at least the following problems in the prior art have not been solved. By arranging three separator bodies at equal intervals on the first mounting frame, the problem that a single separator has a single force point that is easy to cause damage to the flange surface when separating the flange surface is solved. During use, the traditional separation of the flange by three separator bodies only divides the single force point into three, so that the flange force is still point force when the flange is separated, and the effect of preventing damage to the flange is poor. For this reason, it is necessary to design a new technical solution to solve it. Utility Model Content

[0004] The purpose of the utility model is to overcome the deficiencies of the prior art, meet actual needs, and provide a hydraulic flange separator for preventing flange damage, so as to solve the technical problem that the flange is subjected to point force when the flange is currently separated, and the effect of preventing flange damage is poor.

[0005] In order to achieve the purpose of the utility model, the technical solution adopted by the utility model is: to design a hydraulic flange separator to prevent flange damage, including an upper arc plate and a lower arc plate, the number of the upper arc plates and the number of the lower arc plates are both two, three hydraulic cylinders are installed on the same side of one of the upper arc plates and one of the lower arc plates, the hydraulic cylinder driving ends on the upper arc plate and the lower arc plate are respectively fixedly connected to the other upper arc plate and the other lower arc plate, the inner sides of the two upper arc plates and the two lower arc plates are fixedly connected with connecting rods, the other ends of the four connecting rods are installed with arc separation plates, the upper arc plate is fixedly connected to the lower arc plate on both sides of the end with plug rods, and the lower arc plate is provided with plug holes on both sides of the end of the upper arc plate close to the upper arc plate.

[0006] Preferably, a first permanent magnet is embedded in one end of the upper arc plate close to the insertion rod, and a second permanent magnet is embedded in one end of the lower arc plate close to the insertion hole.

[0007] Preferably, the outer diameter of the insertion rod is matched to the inner diameter of the insertion hole, and the length of the insertion rod is smaller than the depth of the insertion hole.

[0008] Preferably, a protective pad is fixedly connected to the outer side of the arc-shaped separation plate, and the protective pad is made of rubber.

[0009] Preferably, arc-shaped handles are fixedly connected to the middle portions of the outer sides of the upper arc-shaped plate and the lower arc-shaped plate, and the two arc-shaped handles are symmetrically arranged.

[0010] Preferably, the first permanent magnet and the second permanent magnet have opposite magnetic poles at opposite ends.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The utility model combines two upper arc plates, two lower arc plates, a connecting rod, an arc-shaped separation plate, an insertion rod, an insertion hole and a hydraulic cylinder. The upper arc plate and the lower arc plate are respectively sleeved on both sides of the flange to be separated, and then the insertion rod is inserted into the insertion hole to limit the upper arc plate and the lower arc plate. At the same time, the arc-shaped separation plates on the two upper arc plates and the two lower arc plates are inserted between the flanges to be separated. Then, the hydraulic cylinder is started to push the upper arc plate and the lower arc plate connected to the driving end of the hydraulic cylinder to move at the same time, thereby converting the force of flange separation into a force-bearing surface, thereby increasing the contact area between the arc-shaped separation plate and the flange, and further improving the protective effect of flange separation. The arc-shaped separation plate is detachably connected to the connecting rod by bolts, and then the appropriate arc-shaped separation plate can be replaced according to the size of the flange, further improving the applicability of the device. 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 the front view of the utility model;

[0015] Figure 3 It is an enlarged view of point A of the utility model;

[0016] Figure 4 It is a side view of the utility model;

[0017] In the figure: 1. upper arc plate; 2. lower arc plate; 3. connecting rod; 4. arc separation plate; 5. hydraulic cylinder; 6. arc handle; 7. protective pad; 8. first permanent magnet; 9. second permanent magnet; 10. plug rod; 11. socket. DETAILED DESCRIPTION

[0018] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0019] Example 1: A hydraulic flange separator for preventing flange damage, see Figures 1 to 4 , including an upper arc plate 1 and a lower arc plate 2, the number of the upper arc plate 1 and the number of the lower arc plate 2 are two, the driving ends of the hydraulic cylinder 5 on the upper arc plate 1 and the lower arc plate 2 are respectively fixedly connected to another upper arc plate 1 and another lower arc plate 2, the inner sides of the two upper arc plates 1 and the two lower arc plates 2 are fixedly connected with connecting rods 3, and the other ends of the four connecting rods 3 are detachably installed with arc separation plates 4 through bolts, and both sides of the end of the upper arc plate 1 close to the lower arc plate 2 are fixedly connected with plug rods 10, and both sides of the end of the lower arc plate 2 close to the upper arc plate 1 are provided with plug holes 11, which are respectively sleeved on both sides of the flange to be separated through the upper arc plate 1 and the lower arc plate 2. , and then insert the insertion rod 10 into the insertion hole 11 to limit the upper arc plate 1 and the lower arc plate 2, and at the same time, insert the arc separation plates 4 on the two upper arc plates 1 and the two lower arc plates 2 between the flanges to be separated, and then start the hydraulic cylinder 5 to push the upper arc plate 1 and the lower arc plate 2 connected to the driving end of the hydraulic cylinder 5 to move at the same time, thereby changing the force of flange separation into a force-bearing surface, thereby increasing the contact area between the arc separation plate 4 and the flange, and further improving the protective effect of flange separation, and the arc separation plate 4 is detachably connected to the connecting rod 3 by bolts, and then the appropriate arc separation plate 4 can be replaced according to the size of the flange, further improving the applicability of the device.

[0020] For details, see Figure 3 A first permanent magnet 8 is embedded in one end of the upper arc plate 1 close to the insertion rod 10, and a second permanent magnet 9 is embedded in one end of the lower arc plate 2 close to the insertion hole 11. The magnetic poles of the first permanent magnet 8 and the second permanent magnet 9 are opposite at the opposite ends. When the upper arc plate 1 is connected to the lower arc plate 2, the first permanent magnet 8 and the second permanent magnet 9 are attracted to each other, thereby improving the stability of the connection between the upper arc plate 1 and the lower arc plate 2.

[0021] For further information, see Figure 3 The outer diameter of the plug rod 10 is matched with the inner diameter of the socket 11, ensuring the stability of the plug rod 10 inserted into the socket 11, thereby improving the stability of the connection between the upper arc plate 1 and the lower arc plate 2. The length of the plug rod 10 is less than the depth of the socket 11, ensuring that the plug rod 10 can be fully inserted into the socket 11, thereby ensuring that the upper arc plate 1 and the lower arc plate 2 can fit tightly.

[0022] It is worth noting that see Figure 2 A protective pad 7 is fixedly connected to the outer side of the arc-shaped separation plate 4, and the protective pad 7 is made of rubber. By setting the protective pad 7, the arc-shaped separation plate 4 can be prevented from directly contacting the separated flange, further improving the protective effect of flange separation.

[0023] It is worth noting that see Figure 2 The middle parts of the outer sides of the upper arc plate 1 and the lower arc plate 2 are fixedly connected with arc handles 6, and the two arc handles 6 are symmetrically arranged, which makes it convenient for people to hold the arc handles 6, and further facilitates people to take the upper arc plate 1 and the lower arc plate 2.

[0024] In addition, the components designed in the present invention are all universal standard parts or components known to technical personnel in the field. Their structures and principles can be known to technical personnel through technical manuals or through conventional experimental methods. They can be fully implemented by technical personnel in the field, and there is no need to elaborate. The content protected by the present invention does not involve improvements to internal structures and methods.

[0025] The embodiments of the present invention disclose preferred embodiments, but are not limited thereto. A person skilled in the art can easily understand the spirit of the present invention based on the above embodiments and make different extensions and changes. However, as long as they do not deviate from the spirit of the present invention, they are all within the protection scope of the present invention.

Claims

1. A hydraulic flange separator for preventing flange damage, comprising an upper arc plate (1) and a lower arc plate (2), wherein the number of the upper arc plate (1) and the number of the lower arc plate (2) are both two, characterized in that: Three hydraulic cylinders (5) are installed on the same side of one of the upper curved plates (1) and one of the lower curved plates (2); the driving ends of the hydraulic cylinders (5) on the upper curved plate (1) and the lower curved plate (2) are respectively fixedly connected to the other upper curved plate (1) and the other lower curved plate (2); the inner sides of the two upper curved plates (1) and the two lower curved plates (2) are fixedly connected to connecting rods (3); the other ends of the four connecting rods (3) are installed with arc-shaped separation plates (4); both sides of one end of the upper curved plate (1) close to the lower curved plate (2) are fixedly connected to plug rods (10); and both sides of one end of the lower curved plate (2) close to the upper curved plate (1) are provided with plug holes (11).

2. A hydraulic flange separator for preventing flange damage according to claim 1, characterized in that: A first permanent magnet (8) is embedded in one end of the upper arc-shaped plate (1) close to the insertion rod (10), and a second permanent magnet (9) is embedded in one end of the lower arc-shaped plate (2) close to the insertion hole (11).

3. A hydraulic flange separator for preventing flange damage according to claim 1, characterized in that: The outer diameter of the insertion rod (10) is matched to the inner diameter of the insertion hole (11), and the length of the insertion rod (10) is smaller than the depth of the insertion hole (11).

4. A hydraulic flange separator for preventing flange damage according to claim 1, characterized in that: A protective pad (7) is fixedly connected to the outer side of the arc-shaped separation plate (4), and the protective pad (7) is made of rubber.

5. A hydraulic flange separator for preventing flange damage according to claim 1, characterized in that: The middle parts of the outer sides of the upper arc plate (1) and the lower arc plate (2) are both fixedly connected with arc handles (6), and the two arc handles (6) are symmetrically arranged.

6. A hydraulic flange separator for preventing flange damage as claimed in claim 2, characterized in that: The magnetic poles of the opposite ends of the first permanent magnet (8) and the second permanent magnet (9) are opposite.

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