CN219390525U - Automatic opening device for kiln door - Google Patents

Abstract

The application relates to an automatic opening device of kiln door, which belongs to the field of cement kiln and comprises a door frame, door leaves and driving parts, wherein the door frame is arranged on the side wall of a kiln mouth, a chute is arranged at the bottom of the door frame, the opening of the chute is vertically upwards, two door leaves are arranged on the door frame in a sliding manner, sliding blocks are arranged at the bottoms of the two door leaves, and the sliding blocks are arranged in the chute in a sliding manner; the driving piece is arranged on the door frame and used for driving the two door leaves to be close to or far away from each other. The staff controls the two door leaves to be close to or far away from each other through the driving piece, so that the door leaves are closed and opened, and the problem that the difficulty in opening or closing the door is high due to heavy door is effectively solved; and the stability of the door leaf when opening or closing is improved through the sliding fit of the sliding block and the sliding groove.

Description

Automatic opening device for kiln door

Technical Field

The application relates to the field of cement kilns, in particular to an automatic opening device of a kiln door.

Background

The cement kiln, also called cement rotary kiln, belongs to a kind of building material equipment, is mainly used for calcining cement clinker, and is divided into two main kinds of cement kiln produced by dry method and cement kiln produced by wet method, and is the main equipment of cement clinker dry method and wet method production line.

At present, a cement kiln door is usually installed by hinging two kiln doors to a kiln body, and the kiln mouth is opened and closed by rotating the kiln doors; however, due to high requirements on tightness, safety and the like of the kiln body, the furnace door is usually made of thicker steel plates, so that the furnace door is heavy, and a plurality of persons are usually required to cooperate when a worker opens or closes the furnace door, so that the difficulty is high.

Disclosure of Invention

In order to solve the problem that the difficulty of opening or closing the furnace door is high due to heavy furnace door, the application provides an automatic opening device of the furnace door.

The application provides an automatic opening device of kiln door adopts following technical scheme:

the automatic opening device of the kiln door comprises a door frame, door leaves and driving pieces, wherein the door frame is arranged on the side wall of a kiln mouth, a sliding groove is formed in the bottom of the door frame, the opening of the sliding groove is vertically upward, the door leaves are arranged on the door frame in a sliding mode, sliding blocks are arranged at the bottoms of the two door leaves, and the sliding blocks are arranged in the sliding grooves in a sliding mode; the driving piece is arranged on the door frame and used for driving the two door leaves to be close to or far away from each other.

By adopting the technical scheme, a worker controls the two door leaves to be close to or far away from each other through the driving piece, so that the door leaves are closed and opened, and the problem of high difficulty in opening or closing the door due to heavy door is effectively solved; and the stability of the door leaf when opening or closing is improved through the sliding fit of the sliding block and the sliding groove.

Optionally, two guide rails are arranged at intervals at the top of the door frame, a clamping block is arranged at the top of the door leaf, the width of the clamping block is matched with the distance between the two guide rails, and the clamping block is clamped between the two guide rails.

Through adopting above-mentioned technical scheme, through the joint cooperation of guide rail and joint piece, further promote door leaf top gliding stability when opening or closing.

Optionally, the driving piece comprises a hydraulic cylinder, the hydraulic cylinder is arranged on the door frame, and a piston rod of the hydraulic cylinder is connected with the door leaf.

By adopting the technical scheme, the two door leaves are mutually close or far away through controlling the extension or retraction of the piston rod of the hydraulic cylinder, and the staff drives the two door leaves to mutually close or far away conveniently.

Optionally, a limiting component for limiting movement of the two door leaves is arranged on the door leaves, the limiting component comprises a plugboard, a protruding block, a spring, a limiting ring and a sliding piece, one door leaf is provided with a containing groove, the plugboard is slidably arranged in the containing groove, the plugboard is provided with a limiting groove, the protruding block is slidably arranged in the limiting groove, one end of the spring is arranged on the bottom wall of the limiting groove, the other end of the spring is arranged on the protruding block, and the spring always has a trend of driving the protruding block to move in a direction away from the bottom wall of the limiting groove; the limiting ring is arranged on the other door leaf, and a space for the insertion plate to pass through is formed between the limiting ring and the door leaf; the sliding piece is arranged on the door leaf and used for driving the plugboard to slide in the containing groove along the length direction of the containing groove.

Through adopting above-mentioned technical scheme, after the staff passes through pneumatic cylinder control two door leaves and closes, the rethread slider orders about the picture peg to the direction that is close to the spacing ring in the holding tank and slides, orders about the lug simultaneously and slides to the spacing inslot, after the picture peg passes the spacing ring, the lug is partly the roll-off from the spacing inslot portion again under the effect of spring, restriction picture peg slides to the direction of keeping away from the spacing ring, accomplishes the restriction to the removal of two door leaves, effectively improves the stability after the door leaf is closed.

Optionally, the slider includes first driving motor and lead screw, first driving motor sets up on the door leaf, the lead screw thread wears to establish in the picture peg, just lead screw and first driving motor's output shaft coaxial fixed connection.

Through adopting above-mentioned technical scheme, the staff drives the lead screw through first driving motor and rotates to make the picture peg slide along the length direction of holding tank in the holding tank, the staff drives the picture peg and slides in the holding tank conveniently.

Optionally, be provided with the control assembly who is used for driving the lug at spacing inslot gliding on the picture peg, control assembly includes second driving motor and stay cord, seted up the operation chamber on the picture peg, second driving motor sets up in the operation chamber, the one end setting of stay cord is on the lug, the other end passes the picture peg and with second driving motor's output shaft.

Through adopting above-mentioned technical scheme, through personnel order about second driving motor's output shaft rotation for on the stay cord was wound to second driving motor's output shaft, the stay cord pulling lug made the lug slide-in spacing inslot, and the staff orders about second driving motor's output shaft reverse rotation, and the stay cord is elongated under the effect of spring again, makes the lug partly roll-off from spacing inslot under the effect of spring, and the staff orders about the lug to slide-in spacing inslot or from spacing inslot internal sliding convenience.

Optionally, the door leaf is last to have seted up the observation hole, inlay on the lateral wall of observation hole and be equipped with the observation board, just the observation board adopts high temperature resistant transparent material.

Through adopting above-mentioned technical scheme, offer and observe the installation of board through the observation hole, the staff observes the condition in the kiln conveniently.

Optionally, a cover plate for closing the observation hole is hinged on the door leaf.

By adopting the technical scheme, the cover plate protects the observation plate and prevents the observation plate from being damaged.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the staff controls the two door leaves to be close to or far away from each other through the driving piece, so that the door leaves are closed and opened, and the problem that the difficulty in opening or closing the door is high due to heavy door is effectively solved; the sliding fit of the sliding block and the sliding groove improves the stability of the door leaf when the door leaf is opened or closed;

2. after two door leaves are controlled to be closed by a hydraulic cylinder, a sliding part drives an inserting plate to slide in the accommodating groove in the direction close to the limiting ring, and meanwhile, a protruding block is driven to slide in the limiting groove.

Drawings

Fig. 1 is a schematic structural view of an automatic opening device for a kiln door according to an embodiment of the present application.

Fig. 2 is a schematic view of a part of the structure of an embodiment of the present application (the board is partially cut away in the drawing).

Fig. 3 is an enlarged partial schematic view of the portion a in fig. 2.

Reference numerals: 1. a door frame; 11. a chute; 2. a door leaf; 21. a receiving groove; 22. an observation hole; 3. a driving member; 31. a hydraulic cylinder; 4. a slide block; 5. a guide rail; 6. a clamping block; 7. a limit component; 71. inserting plate; 711. a limit groove; 712. an operating chamber; 72. a bump; 73. a spring; 74. a limiting ring; 75. a slider; 751. a first driving motor; 752. a screw rod; 8. a control assembly; 81. a second driving motor; 83. a pull rope; 9. an observation plate; 10. and a cover plate.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-3.

The embodiment of the application discloses an automatic opening device of kiln door.

Referring to fig. 1 and 2, the automatic opening device of the kiln door comprises a door frame 1, door leaves 2 and a driving piece 3, wherein the door frame 1 is arranged on the side wall of a kiln mouth, a sliding groove 11 is formed in the bottom of the door frame 1, the opening of the sliding groove 11 is vertically upward, two door leaves 2 are slidably arranged on the door frame 1, sliding blocks 4 are respectively arranged at the bottoms of the two door leaves 2, and the sliding blocks 4 are slidably arranged in the sliding groove 11; the driving member 3 is mounted on the door frame 1 and serves to drive the two door leaves 2 toward or away from each other.

In this embodiment, the door frame 1 includes a mounting plate with a hole adapted to the kiln mouth in the middle and a cross beam at the bottom, the sliding groove 11 is formed on the cross beam, and the sliding groove 11 may be a T-shaped groove, a dovetail groove, etc., in this embodiment, the sliding groove 11 is a dovetail groove, and the cross section of the sliding block 4 is adapted to the sliding groove 11.

The staff controls the two door leaves 2 to be close to or far away from each other through the driving piece 3, so that the door leaves 2 are closed and opened, and the problem that the difficulty in opening or closing the door is high due to heavy door is effectively solved; and through the sliding fit of the sliding block 4 and the sliding groove 11, the stability of the door leaf 2 when being opened or closed is improved.

Referring to fig. 1 and 2, two guide rails 5 are installed at intervals along the vertical direction at the top of the door frame 1, a clamping block 6 is installed at the top of the door leaf 2, the width of the clamping block 6 is matched with the distance between the two guide rails 5, and the clamping block 6 is clamped between the two guide rails 5; in this embodiment, the two ends of the guide rail 5 are welded with mounting posts respectively, and the mounting posts are welded on the door frame 1, that is, a gap for the passage of the clamping block 6 is formed between the guide rail 5 and the door frame 1, and the clamping block 6 is an L-shaped steel block.

Through the joint cooperation of guide rail 5 and joint piece 6, the top of restriction door leaf 2 can only follow the length direction removal of guide rail 5, further promotes the gliding stability in door leaf 2 top when opening or closing of door leaf 2.

Referring to fig. 1, the driving member 3 includes a hydraulic cylinder 31, the hydraulic cylinder 31 is mounted on the door frame 1, and a piston rod of the hydraulic cylinder 31 is connected to the door leaf 2. By controlling the extension or retraction of the piston rod of the hydraulic cylinder 31, the two door leaves 2 are moved closer to or farther away from each other, and the worker drives the two door leaves 2 closer to or farther away from each other conveniently.

Referring to fig. 1 and 2, an observation hole 22 is formed in the door leaf 2, an observation plate 9 is embedded in the side wall of the observation hole 22, the observation plate 9 is made of high-temperature-resistant transparent materials, the observation plate 9 can be made of aluminum silicate boiler mirror glass, borosilicate boiler mirror glass, silica boiler mirror glass and the like, and in the embodiment, the observation plate 9 is made of silica boiler mirror glass and has the characteristics of extremely high temperature resistance, extremely high thermal expansion coefficient, extremely high thermal shock resistance and the like; the door leaf 2 is hinged with a cover plate 10 for closing the observation hole 22.

The staff rotates apron 10, can observe the condition in the kiln through observation board 9, and the staff observes the condition in the kiln conveniently, and apron 10 is including the protection of observation board 9, prevents that observation board 9 is impaired.

Referring to fig. 2 and 3, a limiting assembly 7 for limiting movement of two door leaves 2 is mounted on the door leaves 2, the limiting assembly 7 comprises a plugboard 71, a bump 72, a spring 73, a limiting ring 74 and a sliding piece 75, a containing groove 21 is formed in one door leaf 2, and the plugboard 71 is slidably mounted in the containing groove 21; the plugboard 71 is provided with a limit groove 711, the lug 72 is slidably arranged in the limit groove 711, one end of the spring 73 is arranged on the bottom wall of the limit groove 711, the other end of the spring 73 is arranged on the lug 72, and the spring 73 always has a trend of driving the lug 72 to move in a direction away from the bottom wall of the limit groove 711; the limiting ring 74 is arranged on the other door leaf 2, and a space for the plugboard 71 to pass through is formed between the limiting ring 74 and the door leaf 2; the slider 75 is installed on the door leaf 2 and is used for driving the picture peg 71 to slide along the length direction of holding tank 21 in the holding tank 21, and slider 75 includes first driving motor 751 and lead screw 752, and first driving motor 751 installs on the door leaf 2, and lead screw 752 screw thread wears to establish in picture peg 71, and the coaxial fixed connection of lead screw 752 and the output shaft of first driving motor 751.

The accommodating groove 21 may be a T-shaped groove, a dovetail groove, etc., in this embodiment, the accommodating groove 21 is a T-shaped groove, and the insert plate 71 is integrally formed with a T-shaped block, and the insert plate 71 slides in the accommodating groove 21 through the T-shaped block, so that the insert plate 71 is more stable when sliding; in this embodiment, the bump 72 deviates from the bottom wall of the limit groove 711 and one end far away from the screw rod 752 is in an arc shape, so that when the insert plate 71 slides in the accommodating groove 21 in a direction far away from the screw rod 752 until the bump 72 abuts against the limit ring 74, the limit ring 74 abuts against the arc surface on the bump 72, the bump 72 slides into the limit groove 711 under pressure, the process that the worker drives the bump 72 to slide into the limit groove 711 is omitted, and the convenience that the worker drives the bump 72 to slide in the limit groove 711 is increased.

After the two door leaves 2 are controlled to be closed by a worker through the hydraulic cylinder 31, the screw rod 752 is driven to rotate through the first driving motor 751, so that the inserting plate 71 slides in the accommodating groove 21 towards the direction close to the limiting ring 74, the protruding block 72 slides into the limiting groove 711 under pressure in the sliding process, after the inserting plate 71 passes through the limiting ring 74, the protruding block 72 slides out of the limiting groove 711 under the action of the spring 73, the inserting plate 71 is limited to slide towards the direction far away from the limiting ring 74, the movement limitation of the two door leaves 2 is completed, and the stability of the closed door leaves 2 is effectively improved.

Referring to fig. 2 and 3, a control assembly 8 for driving the protruding block 72 to slide in the limiting groove 711 is mounted on the plugboard 71, the control assembly 8 comprises a second driving motor 81 and a pull rope 83, an operation cavity 712 is formed in the plugboard 71, the second driving motor 81 is mounted in the operation cavity 712, one end of the pull rope 83 is mounted on the protruding block 72, and the other end of the pull rope 83 penetrates through the plugboard 71 and is connected with an output shaft of the second driving motor 81; the pull rope 83 may be made of steel rope, nylon rope, or the like, and in this embodiment, the steel rope is made of nylon rope, and has characteristics of wear resistance, long service life, and the like.

Through the output shaft rotation of personnel drive second driving motor 81 for stay cord 83 winds to be established to the output shaft of second driving motor 81, and stay cord 83 pulling lug 72 makes lug 72 slide into spacing groove 711 in, and the staff drives the output shaft reverse rotation of second driving motor 81, and stay cord 83 stretches under spring 73's effect again, makes lug 72 follow spacing groove 711 inside part roll-off under spring 73's effect, and the staff drives lug 72 slide into spacing groove 711 in or follow spacing groove 711 and slide out conveniently.

The implementation principle of the automatic opening device of the kiln door of the embodiment of the application is as follows: the staff realizes closing or opening of two door leaves 2 through controlling the extension or retraction of the piston rod of the hydraulic cylinder 31, and after two door leaves 2 are closed, the staff drives the screw rod 752 to rotate through the first driving motor 751, so that the inserting plate 71 slides in the accommodating groove 21 towards the direction close to the limiting ring 74, the lug 72 is abutted with the limiting ring 74 in the sliding process and slides into the limiting groove 711, after the inserting plate 71 passes through the limiting ring 74, the lug 72 slides out from the inside of the limiting groove 711 under the action of the spring 73 again, the inserting plate 71 is limited to slide towards the direction far away from the limiting ring 74, the problem that the difficulty of opening or closing the door is high due to heavy furnace door is effectively solved, and the stability of the closed door leaves 2 is high.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (8)

1. An automatic opening device of kiln door, its characterized in that: the novel kiln comprises a door frame (1), door leaves (2) and driving pieces (3), wherein the door frame (1) is arranged on the side wall of a kiln mouth, a sliding groove (11) is formed in the bottom of the door frame (1), the opening of the sliding groove (11) is vertically upward, two door leaves (2) are arranged on the door frame (1) in a sliding mode, sliding blocks (4) are arranged at the bottoms of the two door leaves (2), and the sliding blocks (4) are arranged in the sliding groove (11) in a sliding mode; the driving piece (3) is arranged on the door frame (1) and is used for driving the two door leaves (2) to be close to or far away from each other.

2. The automatic opening device of kiln door according to claim 1, characterized in that: the top interval of door frame (1) is provided with two guide rails (5), the top of door leaf (2) is provided with joint piece (6), the interval looks adaptation between width and two guide rails (5) of joint piece (6), just joint piece (6) joint is between two guide rails (5).

3. The automatic opening device of kiln door according to claim 1, characterized in that: the driving piece (3) comprises a hydraulic cylinder (31), the hydraulic cylinder (31) is arranged on the door frame (1), and a piston rod of the hydraulic cylinder (31) is connected with the door leaf (2).

4. The automatic opening device of kiln door according to claim 1, characterized in that: the door leaf (2) is provided with a limiting component (7) for limiting the movement of the two door leaves (2), the limiting component (7) comprises a plugboard (71), a lug (72), a spring (73), a limiting ring (74) and a sliding piece (75), one door leaf (2) is provided with a containing groove (21), the plugboard (71) is slidably arranged in the containing groove (21), the plugboard (71) is provided with a limiting groove (711), the lug (72) is slidably arranged in the limiting groove (711), one end of the spring (73) is arranged on the bottom wall of the limiting groove (711), the other end of the spring (73) is arranged on the lug (72), and the spring (73) always has a trend of driving the lug (72) to move in a direction away from the bottom wall of the limiting groove (711); the limiting ring (74) is arranged on the other door leaf (2), and a space for the insertion plate (71) to pass through is formed between the limiting ring (74) and the door leaf (2); the sliding piece (75) is arranged on the door leaf (2) and is used for driving the plugboard (71) to slide in the accommodating groove (21) along the length direction of the accommodating groove (21).

5. The automatic opening device of kiln door according to claim 4, characterized in that: the sliding piece (75) comprises a first driving motor (751) and a screw rod (752), the first driving motor (751) is arranged on the door leaf (2), the screw rod (752) is threaded in the inserting plate (71), and the screw rod (752) is fixedly connected with an output shaft of the first driving motor (751) in a coaxial mode.

6. The automatic opening device of kiln door according to claim 4, characterized in that: be provided with on picture peg (71) and be used for driving lug (72) at spacing inslot gliding control assembly (8), control assembly (8) are including second driving motor (81) and stay cord (83), operating chamber (712) have been seted up on picture peg (71), second driving motor (81) set up in operating chamber (712), the one end setting of stay cord (83) is on lug (72), the other end pass picture peg (71) and with the output shaft of second driving motor (81).

7. The automatic opening device of kiln door according to claim 1, characterized in that: an observation hole (22) is formed in the door leaf (2), an observation plate (9) is embedded in the side wall of the observation hole (22), and the observation plate (9) is made of high-temperature-resistant transparent materials.

8. The automatic opening device of kiln door according to claim 7, characterized in that: the door leaf (2) is hinged with a cover plate (10) for closing the observation hole (22).