CN209978090U - Energy-saving type observation door with multi-degree-of-freedom connecting rod mechanism - Google Patents

Abstract

The utility model relates to an accessory technical field of oil refining equipment specifically is an energy-saving observation door with multi freedom link mechanism, including observation door lid, heat insulating block, door frame and be used for opening or closing the multi freedom link mechanism of observation door, be equipped with degree of freedom link mechanism on the observation door lid, degree of freedom link mechanism includes the free handle, first connecting rod, second connecting rod and fixed handle, observation door lid fixed connection free handle, oven board bolted connection base, the fixed handle of base fixed connection, free handle and fixed handle articulate with the both ends of first connecting rod and the both ends of second connecting rod respectively. The beneficial effects are that: the utility model discloses under the combined action of first connecting rod and second connecting rod, the movement track of door closure of seeing a fire is certain, compares in ordinary two-link structure, the utility model discloses well door closure of seeing a fire lid closes the effect better, does not need extra adjustment when the lid closes, and it is sealed tight when the degree of freedom is high.

Description

Energy-saving type observation door with multi-degree-of-freedom connecting rod mechanism

Technical Field

The utility model relates to an accessory technical field of oil refining equipment specifically is an energy-saving observation door with multi freedom link mechanism.

Background

The observation door is a main observation device for various heating furnaces and industrial boilers in petrochemical industry and electric power industry, is used for observing the conditions of flame, furnace tubes, linings and the like in a hearth, avoids potential safety hazards and ensures that the furnaces can run safely.

The existing fire door has the defects of simple structure and flexible opening and closing, but has poor heat insulation performance, and the surface temperature of the existing fire door is about 180 ℃ and even reaches 250 ℃ when being high according to the measurement of site operators of an oil refinery. The heat loss of the furnace body is large, and the field operating personnel are easy to be scalded. The other is that the field of vision is little, because current observation door is for making the thermal-insulated effect of door plant department better, and then has thickened door opening department lining for the straight section distance extension of observation hole leads to the visual field scope of seeing a fire just significantly reducing, causes adverse effect to the internal conditions of observing furnace.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an energy-saving observation door with multi freedom link mechanism to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an energy-saving observation door with multi freedom link mechanism, includes observation door lid, heat insulating block, door frame and is used for opening or closing the multi freedom link mechanism of observation door, door frame bolted connection stove wallboard, door frame inner wall and seal gasket outer lane fixed connection, the seal gasket inner circle expanded joint has the heat insulating block, heat insulating block fixed connection observation door lid, be equipped with degree of freedom link mechanism on the observation door lid, degree of freedom link mechanism includes free handle, first connecting rod, second connecting rod and fixed handle, observation door lid fixed connection free handle, oven board bolted connection base, base fixed connection fixed handle, free handle and fixed handle articulate with the both ends of first connecting rod and the both ends of second connecting rod respectively.

Preferably, the observation door cover is welded with a handle, the handle is U-shaped, and the outer wall of the handle is sleeved with a heat insulation layer.

Preferably, two layers of sealing insulating paper are wound on the periphery of the heat insulation block, and the thickness of the sealing insulating paper is four millimeters.

Preferably, the upper surface of the sealing gasket is provided with a convex block integrally formed with the sealing gasket, the convex block is arranged on the periphery of the heat insulation block and is rectangular frame-shaped, and the bottom of the observation door cover is provided with a groove matched with the convex block.

Preferably, the first connecting rod and the second connecting rod are parallel to each other and are distributed in a front-back cross manner, and the distance between the first connecting rod and the second connecting rod is not less than half of the height of the fire door cover body.

Preferably, the number of the free handles and the number of the fixed handles are two, the two free handles are respectively fixedly connected with two ends of the first hinge shaft and two ends of the second hinge shaft, the two fixed handles are respectively fixedly connected with two ends of the third hinge shaft and two ends of the fourth hinge shaft, the first hinge shaft is hinged to one end of the first connecting rod, the other end of the first connecting rod is hinged to the third hinge shaft, the second hinge shaft is hinged to one end of the second connecting rod, and the other end of the second connecting rod is hinged to the fourth hinge shaft.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model has the advantages that under the combined action of the first connecting rod and the second connecting rod, the movement track of the fire door cover is fixed, compared with the common two-connecting rod structure, the fire door cover has better closing effect, does not need additional adjustment when closing, has high degree of freedom and is sealed tightly;

2. the upper surface of the sealing gasket is provided with a convex block which is integrally formed with the sealing gasket, the convex block is arranged on the periphery of the heat insulation block, the bottom of the observation door cover is provided with a groove matched with the convex block, when the observation door is covered by the observation door cover, the convex block is just completely embedded into the groove, the sealing property between the observation door cover and the sealing gasket is good, and the heat loss is reduced.

Drawings

Fig. 1 is a schematic structural view of a first working state of the present invention;

fig. 2 is a schematic structural diagram of a second operating state of the present invention.

In the figure: 1 a fire door cover, 2 a heat insulation block, 3 a door frame, 4 furnace wall plates, 5 a sealing gasket, 6 a free handle, 7 a fixed handle, 8 a first connecting rod, 9 a second connecting rod, 10 a base, 11 a first hinge shaft, 12 a second hinge shaft, 13 a third hinge shaft, 14 a fourth hinge shaft, 15 a handle and 16 a furnace lining.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 2, the present invention provides a technical solution: an energy-saving type observation door with a multi-degree-of-freedom connecting rod mechanism comprises an observation door cover 1, a heat insulation block 2, a door frame 3 and the multi-degree-of-freedom connecting rod mechanism for opening or closing the observation door. The furnace wall plate 4 is connected with the door frame 3 through bolts, the inner wall of the door frame 3 is fixedly connected with the outer ring of the sealing gasket 5, the inner ring of the sealing gasket 5 is connected with the heat insulation block 2 in an expanding mode, the heat insulation block 2 is fixedly connected with the observation door cover 1, the handle 15 is welded on the observation door cover 1, and the observation door cover 1 can be opened or closed conveniently through the handle 15. The handle 15 is U-shaped, and the outer wall of the handle 15 is sleeved with a heat insulation layer.

The fire door cover 1 is also provided with a locking device for locking the fire door cover 1, the locking device is composed of a vertical rod and a baffle, the vertical rod is welded on the furnace wall plate 4, the vertical rod is matched with the baffle in a rotating way, and after the fire door is completely covered by the fire door cover 1, the baffle is rotated, so that the inner surface of the baffle is abutted to the outer surface of the fire door cover 1, and the fire door cover 1 is limited.

Two layers of sealing insulating paper are wound on the periphery of the heat insulation block 2, the sealing insulating paper adopts a ceramic fiber paper gasket with the thickness of four millimeters, the heat conductivity coefficient of the sealing insulating paper at 600 ℃ is 0.160-0.170W/m.k, the ceramic fiber paper gasket is used as a seamless furnace lining material between the heat insulation block 2 and the furnace lining 16, and the sealing insulating paper has the advantages of low heat storage, less heat loss, high compressive strength and long service cycle.

The upper surface of the sealing gasket 5 is provided with a convex block integrally formed with the sealing gasket, the convex block is arranged on the periphery of the heat insulation block 2 and is in a rectangular frame shape, the bottom of the observation door cover 1 is provided with a groove matched with the convex block, when the observation door is covered by the observation door cover 1, the convex block is just completely embedded into the groove, the sealing performance between the observation door cover 1 and the sealing gasket 5 is good, and the heat loss is reduced.

The fire door cover 1 is provided with a freedom degree link mechanism. The degree of freedom link mechanism includes free handle 6, first connecting rod 8, second connecting rod 9 and fixed handle 7, and door cover 1 fixed connection is free handle 6, oven board 4 bolted connection base 10, and base 10 fixed connection fixes handle 7, and first connecting rod 8 and second connecting rod 9 are parallel to each other and are front and back cross distribution, and the interval of first connecting rod 8 and second connecting rod 9 equals the half of door cover 1 lid height. The free handles 6 and the fixed handles 7 are respectively provided with two, the two free handles 6 are respectively fixedly connected with two ends of a first hinge shaft 11 and two ends of a second hinge shaft 12, the two fixed handles 7 are respectively fixedly connected with two ends of a third hinge shaft 13 and two ends of a fourth hinge shaft 14, the first hinge shaft 11 is hinged to one end of a first connecting rod 8, the other end of the first connecting rod 8 is hinged to the third hinge shaft 13, the second hinge shaft 12 is hinged to one end of a second connecting rod 9, and the other end of the second connecting rod 9 is hinged to the fourth hinge shaft 14.

The working principle is as follows: as shown in fig. 1, the utility model is in a first working state, at this moment, the fire door cover 1 completely covers the observation door, and the first connecting rod 8 is in a horizontal state. Pulling handle 15, exerting the effort and giving the door of a fire lid 1, because first connecting rod 8 and second connecting rod 9 are parallel to each other and be front and back alternately distribution, do not influence each other when first connecting rod 8 and second connecting rod 9 move, through the connecting rod motion of first connecting rod 8 and second connecting rod 9, reach second operating condition, as shown in fig. 2, first connecting rod 8 is in vertical state this moment, and the door of a fire has been opened. Under the combined action of first connecting rod 8 and second connecting rod 9, the movement track of door closure 1 is certain, compares in ordinary two-link structure, the utility model discloses well door closure 1 lid closes the effect better, does not need extra adjustment when the lid closes, and door closure 1 just can be just to neat door of seeing a fire.

In particular, since both ends of the first hinge shaft 11 and both ends of the second hinge shaft 12 are fixed by the two free handles 6 and the fixed handle 7, the fire door cover 1 can be further opened with a high degree of freedom of planar rotation, not limited to the position of fig. 2.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides an energy-saving observation door with multi freedom link mechanism, includes observation door lid (1), heat insulating block (2), door frame (3) and is used for opening or closing observation door's multi freedom link mechanism, its characterized in that: door frame (3) bolted connection stove wallboard (4), door frame (3) inner wall and seal gasket (5) outer lane fixed connection, seal gasket (5) inner circle expanded joint has insulation block (2), insulation block (2) fixed connection light door lid (1), be equipped with degree of freedom link mechanism on light door lid (1), degree of freedom link mechanism includes free handle (6), first connecting rod (8), second connecting rod (9) and fixed handle (7), light door lid (1) fixed connection free handle (6), stove wallboard (4) bolted connection base (10), base (10) fixed connection fixed handle (7), free handle (6) and fixed handle (7) are articulated with the both ends of first connecting rod (8) and the both ends of second connecting rod (9) respectively.

2. The energy saving type observation door with the multi-degree-of-freedom link mechanism according to claim 1, wherein: the fire door cover (1) is welded with a handle (15), the handle (15) is U-shaped, and a heat insulation layer is sleeved on the outer wall of the handle (15).

3. The energy saving type observation door with the multi-degree-of-freedom link mechanism according to claim 1, wherein: two layers of sealing insulating paper are wound on the periphery of the heat insulation block (2), and the thickness of the sealing insulating paper is four millimeters.

4. The energy saving type observation door with the multi-degree-of-freedom link mechanism according to claim 1, wherein: the upper surface of the sealing gasket (5) is provided with a convex block which is integrally formed with the sealing gasket, the convex block is arranged on the periphery of the heat insulation block (2) and is in a rectangular frame shape, and the bottom of the fire observation door cover (1) is provided with a groove matched with the convex block.

5. The energy saving type observation door with the multi-degree-of-freedom link mechanism according to claim 1, wherein: the first connecting rod (8) and the second connecting rod (9) are parallel to each other and are distributed in a front-back crossed manner, and the distance between the first connecting rod (8) and the second connecting rod (9) is not less than half of the height of the fire door cover (1).

6. The energy-saving type observation door with the multi-degree-of-freedom link mechanism according to claim 1 or 5, wherein: the free handles (6) and the fixed handles (7) are both provided with two, the two free handles (6) are respectively fixedly connected with the two ends of the first hinge shaft (11) and the two ends of the second hinge shaft (12), the two fixed handles (7) are respectively fixedly connected with the two ends of the third hinge shaft (13) and the two ends of the fourth hinge shaft (14), the first hinge shaft (11) is hinged with one end of the first connecting rod (8), the other end of the first connecting rod (8) is hinged with the third hinge shaft (13), the second hinge shaft (12) is hinged with one end of the second connecting rod (9), and the other end of the second connecting rod (9) is hinged with the fourth hinge shaft (14).

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