CN112096701A - A connection mechanism of subframe end wall module in convection section of ethylene cracking furnace - Google Patents

Abstract

The invention relates to the technical field of mechanical modularization, in particular to an end wall module connecting mechanism for a convection section subframe of an ethylene cracking furnace, which comprises a device main body, wherein the device main body comprises a lower clamping plate, an upper clamping plate, a clamping block, a positioning pin, a positioning spring, a fixing bolt, a subframe module and an end wall main body, the left side of the top end of the lower clamping plate is attached to the subframe module, the left side of the top end of the subframe module is attached to the upper clamping plate, the right side of the top end of the lower clamping plate is fixedly connected with the clamping block, the positioning pin is embedded in the clamping block, the positioning spring is sleeved outside the positioning pin, the left side of the positioning spring is fixedly connected with the positioning pin, the right side of the positioning spring is fixedly connected with the inner wall of the clamping block, the left side of the clamping block is attached to the right side of the end wall main. The invention is convenient to install and has better sealing property.

Description

A connection mechanism of subframe end wall module in convection section of ethylene cracking furnace

technical field

The invention relates to the technical field of mechanical modularization, in particular to a connecting mechanism of a subframe end wall module of a convection section of an ethylene cracking furnace.

Background technique

With the continuous development of the mechanical modular industry, the module connection has also been continuously developed. When installing equipment, people can choose the appropriate connection mechanism according to the shape and size of the connection between the various equipment modules. The module connection mechanism is available for selection, so it can be seen that the existing module connection mechanism has basically met the needs of people, but the following problems still exist.

The existing module connection mechanism has the problem of inconvenient installation during use, and the traditional device needs to add an additional sealing structure during use, which increases the complexity of installation and reduces the convenience and practicability of the device. Therefore, there is an urgent need for a connection mechanism for the sub-frame end wall module of the convection section of an ethylene cracking furnace to solve the above problems.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a sub-frame end wall module connection mechanism of the convection section of an ethylene cracking furnace, so as to solve the problems of inconvenient installation and the need to add a sealing structure during the installation process of the traditional device proposed in the above background technology.

In order to achieve the above purpose, the present invention provides the following technical solutions: a sub-frame end wall module connection mechanism of a convection section of an ethylene cracking furnace, comprising a device device main body, the device device main body includes a lower splint, an upper splint, a clamping block, a positioning pin, The positioning spring, the fixing bolt, the sub-frame module and the main body of the end wall, the top left side of the lower splint is attached to the sub-frame module, and the top left side of the sub-frame module is attached to the upper splint, and the top left side of the lower splint is right A clamping block is fixedly connected to the side, a positioning pin is embedded inside the clamping block, and a positioning spring is sleeved on the outside of the positioning pin, the left side of the positioning spring is fixedly connected with the positioning pin, and the right side of the positioning spring is connected with the positioning pin. The inner wall of the block is fixedly connected, the left side of the clamping block and the right side of the end wall main body fit together, and the inner groove of the end wall main body is embedded with the left end of the positioning pin, the bottom end of the lower clamp plate and the top end of the upper clamp plate Both are embedded with fixing bolts, and one end of the fixing bolts close to the sub-frame module is screwed with the sub-frame module.

Preferably, a sealing mechanism is arranged between the lower clamping plate and the upper clamping plate, and the sealing mechanism is arranged between the sub-frame module and the main body of the end wall, and the sealing mechanism includes a sealing shell, a first support block, a turntable, a screw rod, The second support block, the moving block, the push rod, the push block, the sealing spring, the sealing seat and the sealing gasket, the top end of the lower clamp plate is fixedly connected with the bottom end of the sealing shell, and the top end of the sealing shell and the bottom end of the upper clamp plate are fixedly connected Fixed connection, a first support block is fixedly connected to the inside of the sealing shell, the first support block is rotatably connected with the screw rod, and the end of the screw rod away from the first support block is rotatably connected with the second support block, and the screw rod is rotatably connected with the second support block. The end of the rod away from the second support block is fixedly connected with a turntable, and the outer wall of the screw rod is threadedly connected with a moving block. On the side of the push block close to the moving block, the inner wall of the push block is fixedly connected with a sealing spring, and the end of the sealing spring away from the moving block is fixedly connected with the sealing seat, and the side of the sealing seat away from the screw rod is glued with a seal gasket.

Preferably, the horizontal distance between the upper splint and the clamping block is slightly larger than the thickness of the main body of the end wall.

Preferably, the top and bottom ends of the moving block are both fixedly connected with limit rods, and one end of the limit rods away from the moving block is embedded in the chute opened on the inner wall of the sealing shell.

Preferably, the sealing springs are arranged in multiple groups, and the sealing springs are evenly arranged between the push block and the sealing seat.

Preferably, the sealing gaskets are arranged in a semicircular cross section, and the sealing gaskets are arranged in multiple groups.

Compared with the prior art, the beneficial effects of the present invention are:

1. The connecting mechanism of the sub-frame end wall module of the convection section of the ethylene cracking furnace is provided with a lower splint, an upper splint and a clamping block. When the device is used to connect the sub-frame module and the main body of the end wall, the sub-frame module is embedded between the lower splint and the upper splint. Then, pull out the positioning pin inside the clamping block, insert the main body of the end wall between the upper splint and the clamping block, loosen the positioning pin, and insert the positioning pin into the groove inside the main body of the end wall. The modules that need to be connected can be easily and conveniently connected together, saving time and effort.

2. The connecting mechanism of the sub-frame end wall module of the convection section of the ethylene cracking furnace is provided with a sealing mechanism. After the device connects the sub-frame module and the main body of the end wall, the turntable is rotated to move the moving block and push the two sets of sealing seats to both sides , The movement of the sealing seat drives the movement of the sealing gasket. On the one hand, the main body of the end wall is pushed to fit with the clamping block, so that the device is fixed more stably, and the sealing gasket is deformed after being stressed, which improves the air tightness of the device.

Description of drawings

1 is a schematic front view of a partial structure of the present invention;

Fig. 2 is the partial structure front sectional schematic diagram of the present invention;

3 is a schematic top view of a partial structure of the present invention;

Fig. 4 is the partial structure front sectional schematic diagram of the sealing mechanism of the present invention;

FIG. 5 is a schematic top sectional view of the partial structure of the sealing mechanism of the present invention.

In the figure: 100, device main body; 110, lower splint; 111, upper splint; 112, clamping block; 113, positioning pin; 114, positioning spring; 115, fixing bolt; 120, sub-frame module; 130, main body of end wall; 200, sealing mechanism; 210, sealing shell; 211, first support block; 212, turntable; 213, screw rod; 214, limit rod; 215, second support block; 220, moving block; 221, push rod; 222 , push block; 223, sealing spring; 224, sealing seat; 225, sealing gasket.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

Please refer to Figures 1-5, an embodiment provided by the present invention:

A sub-frame end wall module connection mechanism of a convection section of an ethylene cracking furnace, comprising a device main body 100, the device main body 100 comprising a lower splint 110, an upper splint 111, a clamping block 112, a positioning pin 113, a positioning spring 114, a fixing bolt 115, The sub-frame module 120 and the end wall main body 130, the top left side of the lower splint 110 is attached to the sub-frame module 120, and the top left side of the sub-frame module 120 is attached to the upper splint 111, and the top right side of the lower splint 110 is fixedly connected There is a clamping block 112, a positioning pin 113 is embedded inside the clamping block 112, and a positioning spring 114 is sleeved outside the positioning pin 113, the left side of the positioning spring 114 is fixedly connected with the positioning pin 113, and the right side of the positioning spring 114 is The inner wall of the clamping block 112 is fixedly connected, the left side of the clamping block 112 is attached to the right side of the end wall main body 130, and the inner groove of the end wall main body 130 is embedded with the left end of the positioning pin 113, the bottom end of the lower splint 110 and the upper The top of the splint 111 is embedded with fixing bolts 115, and one end of the fixing bolts 115 close to the sub-frame module 120 is threadedly connected to the sub-frame module 120. Through such a design, the device can easily and conveniently connect the modules to be connected. It saves time and effort, and improves the convenience and practicability of the device.

A sealing mechanism 200 is arranged between the lower clamping plate 110 and the upper clamping plate 111, and the sealing mechanism 200 is arranged between the sub-frame module 120 and the end wall main body 130. The sealing mechanism 200 includes a sealing shell 210, a first support block 211, a turntable 212, The screw rod 213, the second support block 215, the moving block 220, the push rod 221, the push block 222, the sealing spring 223, the sealing seat 224 and the sealing gasket 225, the top end of the lower clamping plate 110 and the bottom end of the sealing shell 210 are fixedly connected, And the top end of the sealing shell 210 is fixedly connected with the bottom end of the upper splint 111 , the interior of the sealing shell 210 is fixedly connected with a first support block 211 , the first support block 211 is rotatably connected with the screw rod 213 , and the screw rod 213 is far away from the first support One end of the block 211 is rotatably connected with the second support block 215, the end of the screw rod 213 away from the second support block 215 is fixedly connected with the turntable 212, and the outer wall of the screw rod 213 is threadedly connected with a moving block 220, both sides of the moving block 220 are The push rod 221 is connected to the collision, and the end of the push rod 221 away from the moving block 220 is rotated and connected to the side of the push block 222 close to the moving block 220. The inner wall of the push block 222 is fixedly connected with a sealing spring 223, and the sealing spring 223 is far away One end of the moving block 220 is fixedly connected to the sealing seat 224, and a sealing gasket 225 is glued to the side of the sealing seat 224 away from the screw rod 213. Through this design, no additional sealing structure is required, and the device itself has a sealing structure. The operation difficulty during installation is reduced, the operation is simple and convenient, and the practicability and sealing performance of the device are improved.

The horizontal distance between the upper splint 111 and the clamping block 112 is slightly larger than the thickness of the end wall main body 130. This design ensures that the end wall main body 130 can be inserted between the upper clamping plate 111 and the clamping block 112, which improves the practicability of the device.

The top and bottom ends of the moving block 220 are both fixedly connected to the limit rod 214, and one end of the limit rod 214 away from the moving block 220 is embedded in the chute opened on the inner wall of the sealing shell 210. Through such a design, the moving block 220 can be moved when the moving block 220 is moved. Being restricted, it is ensured that the moving block 220 does not rotate when moving along the sealing spring 223, and the device is more stable and sensitive during operation.

The sealing springs 223 are arranged in multiple groups, and the sealing springs 223 are evenly arranged between the propelling block 222 and the sealing seat 224. Through this design, it is ensured that the sealing springs 223 can push the end wall through the sealing seat 224 and the sealing gasket 225. The main body 130 is in close contact with the clamping block 112, and the sealing spring 223 can exert a large force on the sealing gasket 225, so that the sealing gasket 225 can be kept in close contact with the surface of the sub-frame module 120 and the end wall main body 130, which improves the The tightness and firmness of the device.

The sealing gasket 225 is provided with a semi-circular cross section, and the sealing gasket 225 is arranged in multiple groups. Through such design, the sealing gasket 225, the sub-frame module 120 and the surface of the end wall main body 130 on the side close to the sealing mechanism 200 It is tighter when fitting, which improves the sealing performance of the device.

Working principle: When it is necessary to connect the sub-frame module 120 and the end wall main body 130, insert the sub-frame module 120 between the lower clamping plate 110 and the upper clamping plate 111, and then turn the fixing bolts 115, so that the lower clamping plate 110 and the upper clamping plate 111 are fixed on the auxiliary plate. At the right end of the frame module 120, then pull out the positioning pin 113, after pulling out the positioning pin 113, insert the end wall body 130 between the upper splint 111 and the clamping block 112 until the end wall body 130 is in contact with the top of the lower splint 110, Then, the positioning pin 113 is released, and the positioning pin 113 returns to its original position under the action of the positioning spring 114. At this time, the right end of the positioning pin 113 is embedded in the groove inside the end wall main body 130, and the sub-frame module 120 and the end wall main body 130 are connected. The operation ends here.

After connecting the sub-frame module 120 and the end wall main body 130 with the device, the turntable 212 is rotated, and the turntable 212 rotates to drive the lead screw 213 to rotate. The rod 221, the push rod 221 pushes the push block 222 to move away from the moving block 220. When the push block 222 moves, it drives the sealing spring 2233, the sealing seat 224 and the sealing gasket 225 to move away from the moving block 220 until the sealing gasket 225 After contacting the right side of the subframe module 120 and the left side of the end wall body 130, and then continuing to rotate the turntable 212, the sealing spring 223 is deformed by force, and presses the sealing gasket 225 to fit on the subframe module 120 and the end wall body 130. Close to the side of the moving block 220, and the end wall main body 130 will be in contact with the side of the clamping block 112 close to the moving block 220 under the push of the sealing gasket 225, and the operation ends here.

It will be apparent to those skilled in the art that the present invention is not limited to the details of the above-described exemplary embodiments, but that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Therefore, the embodiments are to be regarded in all respects as illustrative and not restrictive, and the scope of the invention is to be defined by the appended claims rather than the foregoing description, which are therefore intended to fall within the scope of the claims. All changes within the meaning and range of the equivalents of , are included in the present invention. Any reference signs in the claims shall not be construed as limiting the involved claim.

Claims (6)

1. an ethylene cracking furnace convection section sub-frame end wall module connection mechanism, comprising device device main body (100), it is characterized in that: described device device main body (100) comprises lower plywood (110), upper plywood (111), A clamping block (112), a positioning pin (113), a positioning spring (114), a fixing bolt (115), a sub-frame module (120) and an end wall main body (130), the top left side of the lower clamping plate (110) and The sub-frame module (120) is attached, and the top left side of the sub-frame module (120) is attached to the upper splint (111), and the top right side of the lower splint (110) is fixedly connected with a clamping block (112), so A positioning pin (113) is embedded in the interior of the clamping block (112), and a positioning spring (114) is sleeved on the outside of the positioning pin (113), and the left side of the positioning spring (114) is fixed to the positioning pin (113) connected, and the right side of the positioning spring (114) is fixedly connected with the inner wall of the clamping block (112), the left side of the clamping block (112) is abutted with the right side of the end wall body (130), and the end wall body ( 130) is embedded with the left end of the positioning pin (113), the bottom end of the lower clamp plate (110) and the top end of the upper clamp plate (111) are embedded with fixing bolts (115), and the fixing bolts (115) are close to One end of the sub-frame module (120) is screwed with the sub-frame module (120). 2. a kind of ethylene cracking furnace convection section subframe end wall module connection mechanism according to claim 1, is characterized in that: between described lower clamping plate (110) and upper clamping plate (111), be provided with sealing mechanism (200) , and the sealing mechanism (200) is arranged between the sub-frame module (120) and the end wall main body (130), the sealing mechanism (200) includes a sealing shell (210), a first support block (211), a turntable (212) ), screw (213), second support block (215), moving block (220), push rod (221), push block (222), sealing spring (223), sealing seat (224) and sealing gasket ( 225), the top end of the lower splint (110) is fixedly connected with the bottom end of the sealing shell (210), and the top end of the sealing shell (210) is fixedly connected with the bottom end of the upper splint (111), and the sealing shell (210) ) is fixedly connected with a first support block (211), the first support block (211) and the screw rod (213) are rotatably connected, and the end of the screw rod (213) away from the first support block (211) is connected with the first support block (211). The two support blocks (215) are rotatably connected, the end of the screw rod (213) away from the second support block (215) is fixedly connected with a turntable (212), and the outer wall of the screw rod (213) is threadedly connected with a moving block (220). , both sides of the moving block (220) hit and connect with the push rod (221), and one end of the push rod (221) away from the moving block (220) is rotatably connected to the push block (222) close to the moving block (220) ), the inner wall of the push block (222) is fixedly connected with a sealing spring (223), and the end of the sealing spring (223) away from the moving block (220) is fixedly connected with the sealing seat (224), the sealing seat (224) A sealing gasket (225) is glued on the side away from the screw rod (213). 3. a kind of ethylene cracking furnace convection section subframe end wall module connection mechanism according to claim 1, is characterized in that: the horizontal distance between described upper splint (111) and clamping block (112) is slightly larger than the end wall The thickness of the body (130). 4. a kind of ethylene cracking furnace convection section sub-frame end wall module connection mechanism according to claim 2, is characterized in that: the top and bottom end of described moving block (220) are all fixedly connected with limiting rod (214), In addition, one end of the limiting rod (214) away from the moving block (220) is embedded in the chute formed on the inner wall of the sealing casing (210). 5. a kind of ethylene cracking furnace convection section sub-frame end wall module connection mechanism according to claim 2, is characterized in that: described sealing spring (223) is arranged as multiple groups, and sealing spring (223) is evenly arranged in between the push block (222) and the seal seat (224). 6. a kind of ethylene cracking furnace convection section sub-frame end wall module connection mechanism according to claim 2, is characterized in that: described sealing gasket (225) is arranged to be semicircular in section, and sealing gasket (225) ) is set to multiple groups.

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