Blast furnace distributing device

Abstract

The utility model relates to the technical field of blast furnace distributing, and particularly discloses a blast furnace distributing device which comprises a base plate, a box body, a trunnion rotating sleeve, a driving device, a throat pipe, a chute, a trunnion, a crank, a connecting rod, a movable ring, a bearing, a barrel body, a static ring and a hydraulic cylinder. One end of the chute is rotatably installed in a trunnion rotating sleeve through two trunnions, the outer ends of the trunnions are fixedly connected with cranks, the barrel is coaxially arranged outside the trunnion rotating sleeve, the movable ring is rotatably connected to the outside of the barrel through a bearing, the edge of the movable ring is fixedly connected with two longitudinal supporting arms, and the two longitudinal supporting arms are fixedly connected with the rotating shaft. Connecting rods are hinged between the two supporting arms and the second ends of the two cranks respectively, a static ring is detachably connected to the top of the barrel body, the hydraulic cylinder is longitudinally fixed to the top of the box body, and the hydraulic cylinder is in transmission connection with the static ring.

Description

Technical Field

[0001] The utility model relates to the technical field of blast furnace burden distribution, in particular to a blast furnace burden distributor. Background Art

[0002] The distributor is an equipment on the top of an iron-making blast furnace. Since the distribution of materials needs to be uniform and no accumulation is allowed, the existing distributor generally adopts a bell-less top distributor, which achieves uniform distribution through a rotatable chute. The specific structure can be referred to in the patent document with publication number CN102191345A. When the chute tilts, friction will occur between the end of the crank and the inner ring of the slewing support, which needs to be improved. Utility Model Content

[0003] In order to solve the problems mentioned in the background technology, the purpose of the utility model is to provide a blast furnace distributor.

[0004] In order to achieve the above objectives, the technical solution of the utility model is:

[0005] A blast furnace distributor comprises a chassis, a box, a trunnion sleeve, a driving device, a throat, a chute, a trunnion, a crank, a connecting rod, a moving ring, a bearing, a cylinder, a static ring and a hydraulic cylinder. The chassis is provided with a box, the trunnion sleeve is rotatably installed inside the box, the driving device drives the trunnion sleeve to rotate, the throat is sealed and connected to the trunnion sleeve, the trunnion and the crank are both provided with two trunnions, the two trunnions are transversely inserted into the trunnion sleeve, the inner ends of the two trunnions are connected to one end of the chute through a spline The outer ends of the two ear shafts are respectively connected to the first end of the crank through a spline, the cylinder is coaxially arranged on the outside of the ear shaft rotating sleeve, the moving ring is rotatably connected to the outside of the cylinder through a bearing, the edge of the moving ring is fixed with two longitudinal support arms, the two support arms are evenly arranged around the circumference of the moving ring, connecting rods are respectively hinged between the two support arms and the second ends of the two cranks, the top of the cylinder is detachably connected to a static ring, the hydraulic cylinder is longitudinally fixed on the top of the box, and the hydraulic cylinder is transmission-connected to the static ring.

[0006] Furthermore, it also includes a swivel support gear ring, the inner ring of the swivel support gear ring is fixed on the top of the box body, the outer ring of the swivel support gear ring is fixed on the top of the ear shaft rotating sleeve, and the driving device includes a motor and a gear, the motor is fixed on the top of the box body, the main shaft of the motor is connected to the gear, and the gear is meshed with the swivel support gear ring.

[0007] Furthermore, a bottom flange is provided outwardly at the bottom of the cylinder, the inner ring of the bearing is placed on the bottom flange, and an inner flange is provided at the top of the inner ring of the moving ring, and the inner flange is placed on the outer ring of the bearing.

[0008] The beneficial effects of the utility model are as follows: the connecting rod is used to transmit the power of the hydraulic cylinder to the ear shaft, thereby realizing the tilting of the chute. Compared with the connection structure between the crank and the inner ring of the slewing support in the background technology, the crank will not rub against any parts, and the chute transmission structure provided by the device has easy-to-obtain parts and a simple structure, which can reduce the difficulty of assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 A cross-sectional view of an embodiment of the utility model;

[0010] Figure 2 This is an axonometric diagram of the embodiment of the utility model after hiding the chassis, box body, hydraulic cylinder and drive device.

[0011] Explanation of the accompanying figures: 1. chassis, 2. box body, 3. ear shaft swivel sleeve, 4. throat, 5. chute, 6. ear shaft, 7. crank, 8. connecting rod, 9. moving ring, 91. support arm, 10. bearing, 110. cylinder body, 120. static ring, 130. hydraulic cylinder, 140. slewing support gear ring, 150. motor, 151. gear. DETAILED DESCRIPTION

[0012] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field belong to the protection scope of the utility model.

[0013] Example

[0014] like Figure 1-Figure 2As shown, a chassis 1, a box body 2, an ear shaft swivel sleeve 3, a swivel support gear ring 140, a driving device, a throat 4, a chute 5, an ear shaft 6, a crank 7, a connecting rod 8, a dynamic ring 9, a bearing 10, a cylinder 110, a static ring 120 and a hydraulic cylinder 130 are provided. The box body 2 is installed on the chassis 1, the inner ring of the swivel support gear ring 140 is fixed to the top of the box body 2, and the outer ring of the swivel support gear ring 140 is fixed to the top of the ear shaft swivel sleeve 3, so that the ear shaft swivel sleeve 3 and the box body 2 can rotate. The driving device comprises a motor 150 and a gear 151. The motor 150 is fixed on the top of the housing 2. The main shaft of the motor 150 is connected with the gear 151. The gear 151 meshes with the slewing support gear ring 140. The throat 4 is sealed and connected to the ear shaft rotating sleeve 3, and the throat 4 passes through the top plate of the housing 2. There are two ear shafts 6 and two cranks 7. The two ear shafts 6 are transversely arranged in the ear shaft rotating sleeve 3, and the ear shafts 6 and the ear shaft rotating sleeve 3 are eccentrically arranged. The inner ends of the two ear shafts 6 are connected to the ear shaft rotating sleeve 3. The outer ends of the two ear shafts 6 are connected to the first ends of the two cranks 7 through splines. The cylinder 110 is coaxially arranged outside the ear shaft rotating sleeve 3. The movable ring 9 is rotatably connected to the outside of the cylinder 110 through the bearing 10. In addition, the bottom of the cylinder 110 is provided with a bottom flange outwardly, and the inner ring of the bearing 10 is mounted on the bottom flange. The top of the inner ring of the movable ring 9 is provided with an inner flange, which is mounted on the outer ring of the bearing 10. The edge of the movable ring 9 is fixedly connected with There are two longitudinal support arms 91, and the two support arms 91 are evenly arranged around the circumference of the rotating ring 9. Connecting rods 8 are hinged between the ends of the two support arms 91 and the second ends of the two cranks 7 respectively. The top of the cylinder 110 is fixed with a static ring 120 by a plurality of bolts. There are three hydraulic cylinders 130, and the three hydraulic cylinders 130 are longitudinally fixed on the top of the box body 2. The three hydraulic cylinders 130 are evenly arranged around the circumference of the static ring 120, and the piston rods of the hydraulic cylinders 130 are fixed on the static ring 120.

[0015] In actual use, the hydraulic cylinder 130 is used to drive the cylinder 110 to rise and fall, so that the power of the hydraulic cylinder 130 is transmitted to the ear shaft through the connecting rod 8 to realize the tilting of the chute 5. When the motor 150 drives the ear shaft rotating sleeve 3 to rotate, under the action of the bearing 10, the dynamic ring 9 can rotate smoothly around the cylinder 110.

[0016] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. All modifications, equivalent substitutions, improvements, etc. within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A blast furnace distributor, comprising a chassis (1), a casing (2), an ear shaft swivel sleeve (3), a driving device, a throat (4), a chute (5), an ear shaft (6) and a crank (7), wherein the casing (2) is mounted on the chassis (1), the ear shaft swivel sleeve (3) is rotatably mounted inside the casing (2), the driving device drives the ear shaft swivel sleeve (3) to rotate, the throat (4) is sealed and connected to the ear shaft swivel sleeve (3), there are two ear shafts (6) and two cranks (7), the two ear shafts (6) are transversely inserted into the ear shaft swivel sleeve (3), the inner ends of the two ear shafts (6) are connected to one end of the chute (5) through a spline, and the outer ends of the two ear shafts (6) are respectively connected to the first ends of the two cranks (7) through a spline, characterized in that The invention also comprises a connecting rod (8), a moving ring (9), a bearing (10), a cylinder (110), a stationary ring (120) and a hydraulic cylinder (130); the cylinder (110) is coaxially arranged outside the ear shaft rotating sleeve (3); the moving ring (9) is rotatably connected to the outside of the cylinder (110) through the bearing (10); two longitudinal support arms (91) are fixedly connected to the edge of the moving ring (9); the two support arms (91) are evenly arranged around the circumference of the moving ring (9); connecting rods (8) are respectively hinged between the two support arms (91) and the second ends of the two cranks (7); the top of the cylinder (110) is detachably connected to the stationary ring (120); the hydraulic cylinder (130) is longitudinally fixed to the top of the box (2); and the hydraulic cylinder (130) is drivingly connected to the stationary ring (120).

2. A blast furnace distributor according to claim 1, characterized in that: It also includes a slewing support gear ring (140), the inner ring of the slewing support gear ring (140) is fixed on the top of the housing (2), and the outer ring of the slewing support gear ring (140) is fixed on the top of the ear shaft rotating sleeve (3). The driving device includes a motor (150) and a gear (151). The motor (150) is fixed on the top of the housing (2), and the main shaft of the motor (150) is connected to the gear (151), and the gear (151) is meshed with the slewing support gear ring (140).

3. A blast furnace distributor according to claim 1, characterized in that: The bottom of the cylinder (110) is provided with a bottom flange outwardly, the inner ring of the bearing (10) is mounted on the bottom flange, and the top of the inner ring of the moving ring (9) is provided with an inner flange, and the inner flange is mounted on the outer ring of the bearing (10).

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