阅读说明：本技术 多工位立式铸管退火炉专用台车及台车式退火炉 (Special trolley for multi-station vertical cast tube annealing furnace and trolley type annealing furnace ) 是由 郑晓阳 初永波 林娅辉 赵维学 于 2020-09-15 设计创作，主要内容包括：本发明涉及工业炉技术领域,提供一种多工位立式铸管退火炉专用台车及台车式退火炉,所述台车包括：车架以及设置在车架上的多个行走机构；每个行走机构包括：前后两两对称分布的车轮机构；每个行走机构上方设置回转机构,所述回转机构固定在车架上；所述回转机构包括：回转电机、第二小齿轮、回转支撑以及旋转架；其中,所述回转电机的输出轴与第二小齿轮的转轴传动连接,所述第二小齿轮与回转支撑啮合；所述回转支撑上设置旋转架；所述旋转架上设置耐火保温块；所述耐火保温块上设置防倾倒架,所述防倾倒架用于放置立式铸管。本发明可以同时对多根铸管进行加热处理,提高生产率,节省生产空间,降低生产成本。(The invention relates to the technical field of industrial furnaces, and provides a special trolley for a multi-station vertical cast tube annealing furnace and a trolley type annealing furnace, wherein the trolley comprises: the travelling mechanism comprises a frame and a plurality of travelling mechanisms arranged on the frame; each running gear includes: the front wheel mechanism and the rear wheel mechanism are symmetrically distributed in pairs; a swing mechanism is arranged above each walking mechanism and fixed on the frame; the slewing mechanism comprises: the rotary motor, the second pinion, the rotary support and the rotary frame; the output shaft of the rotary motor is in transmission connection with a rotating shaft of a second pinion, and the second pinion is meshed with the rotary support; a rotating frame is arranged on the rotary support; a fireproof heat-insulating block is arranged on the rotating frame; an anti-dumping frame is arranged on the refractory heat-insulating block and used for placing the vertical cast pipe. The invention can heat a plurality of casting pipes simultaneously, thereby improving the production efficiency, saving the production space and reducing the production cost.)

1. The utility model provides a special platform truck of vertical cast tube annealing stove of multistation which characterized in that includes: a frame (5) and a plurality of traveling mechanisms (1) arranged on the frame (5);

each running gear (1) comprises: the front wheel mechanism and the rear wheel mechanism are symmetrically distributed in pairs; each wheel mechanism includes: a walking motor (13), a first pinion (12), a walking wheel (14) and a bull gear (11);

the walking motor (13) is fixed on the frame (5), an output shaft of the walking motor (13) is connected with a rotating shaft of a first small gear (12), the first small gear (12) is meshed with a large gear (11), and the large gear (11) is fixedly installed on a walking wheel (14);

a slewing mechanism (2) is arranged above each walking mechanism (1), and the slewing mechanism (2) is fixed on the frame (5); the swing mechanism (2) comprises: a rotary motor (9), a second pinion (8), a rotary support (10) and a rotary frame (7); wherein, the output shaft of the rotary motor (9) is in transmission connection with the rotating shaft of a second pinion (8), and the second pinion (8) is meshed with a rotary support (10); a rotating frame (7) is arranged on the rotary support (10); a fireproof heat-insulating block (4) is arranged on the rotating frame (7); an anti-dumping frame (6) is arranged on the refractory heat-insulating block (4), and the anti-dumping frame (6) is used for placing a vertical cast tube.

2. The special trolley for the multi-station vertical cast tube annealing furnace according to claim 1, wherein a fixing frame (3) is arranged between two adjacent slewing mechanisms (2).

3. The special trolley for the multi-station vertical cast tube annealing furnace according to claim 1, wherein the special trolley for the multi-station vertical cast tube annealing furnace adopts self-propelled traction.

4. The special trolley for the multi-station vertical cast tube annealing furnace according to claim 1, wherein the walking motor (13) is a speed reduction motor.

5. A trolley type annealing furnace, characterized by comprising a furnace body (16) and the special trolley for the multi-station vertical cast tube annealing furnace of claims 1 to 4;

the special trolley for the multi-station vertical cast tube annealing furnace is arranged in a furnace body (16) when in work;

a combustion system (18) is arranged in the furnace body (16), and burners of the combustion system (18) are arranged on two sides of the furnace body (16);

one end of the furnace body (16) is provided with a furnace door (21), and the top of the furnace door (21) is provided with a pulley mechanism and a steel track (20) matched with the pulley mechanism;

set up furnace gate on furnace body (16) and compress tightly sealing mechanism, furnace gate compresses tightly sealing mechanism and includes: the device comprises a connecting rod (22), a cylinder (23), a cylinder base (24) and a connecting rod base (25); the furnace body of cylinder (23) passes through cylinder base (24) and articulates at furnace body (16) top, the piston rod of cylinder (23) articulates the one end at connecting rod (22), connecting rod base (25) are articulated to the other end bottom of connecting rod (22), install in steel track (20) connecting rod base (25).

6. The cart-type annealing furnace according to claim 5, wherein a plurality of service racks (26) are provided on the furnace body (16).

7. The trolley type annealing furnace according to claim 5 or 6, wherein a refractory lining (17) is provided in the furnace body (16).

8. The trolley type annealing furnace according to claim 5 or 6, wherein an air supply system (27), a smoke exhaust system (19) and an air heat exchanger are connected to the furnace body (16), respectively;

the air supply system (27) and the smoke exhaust system (19) are respectively connected with the air heat exchanger.

9. The trolley type annealing furnace according to claim 5, wherein a controller and an ignition transformer are provided on the burners of the combustion system (18).

Technical Field

The invention relates to the technical field of industrial furnaces, in particular to a special trolley for a multi-station vertical cast tube annealing furnace and a trolley type annealing furnace.

Background

The hot die trolley type annealing furnace is used for hot die cast iron pipe spheroidizing annealing. The spheroidizing annealing of hot die cast iron pipe is to heat, preserve heat and cool the cast pipe for annealing treatment to eliminate cementite and pearlite produced in the casting process of the cast pipe and to convert the matrix into the matrix structure of the ferritic nodular cast iron pipe, and generally can treat the cast pipe with the diameter of DN1000-DN 2600.

At present, a horizontal hot mold annealing furnace is generally adopted for heating the cast pipe, only one cast pipe can be subjected to heat treatment at each time by adopting the horizontal hot mold annealing furnace, the production efficiency is low, the occupied space is large, and the energy consumption is large.

Disclosure of Invention

The invention mainly solves the technical problems that the horizontal hot mold annealing furnace in the prior art can only carry out heat treatment on one cast tube each time, the production efficiency is lower, the occupied space is larger, and the energy consumption is larger, and provides the special trolley and trolley type annealing furnace for the multi-station vertical cast tube annealing furnace, which can simultaneously carry out heat treatment on a plurality of cast tubes, can effectively improve the production efficiency, save the production space and reduce the production cost.

The invention provides a special trolley for a multi-station vertical cast tube annealing furnace, which comprises: a frame (5) and a plurality of traveling mechanisms (1) arranged on the frame (5);

each running gear (1) comprises: the front wheel mechanism and the rear wheel mechanism are symmetrically distributed in pairs; each wheel mechanism includes: a walking motor (13), a first pinion (12), a walking wheel (14) and a bull gear (11);

the walking motor (13) is fixed on the frame (5), an output shaft of the walking motor (13) is connected with a rotating shaft of a first small gear (12), the first small gear (12) is meshed with a large gear (11), and the large gear (11) is fixedly installed on a walking wheel (14);

a slewing mechanism (2) is arranged above each walking mechanism (1), and the slewing mechanism (2) is fixed on the frame (5); the swing mechanism (2) comprises: a rotary motor (9), a second pinion (8), a rotary support (10) and a rotary frame (7); wherein, the output shaft of the rotary motor (9) is in transmission connection with the rotating shaft of a second pinion (8), and the second pinion (8) is meshed with a rotary support (10); a rotating frame (7) is arranged on the rotary support (10); a fireproof heat-insulating block (4) is arranged on the rotating frame (7); an anti-dumping frame (6) is arranged on the refractory heat-insulating block (4), and the anti-dumping frame (6) is used for placing a vertical cast tube.

Preferably, a fixing frame (3) is arranged between two adjacent rotary mechanisms (2).

Preferably, the special trolley for the multi-station vertical cast tube annealing furnace adopts self-propelled traction.

Preferably, the walking motor (13) adopts a speed reduction motor.

Correspondingly, the invention also provides a trolley type annealing furnace, which comprises: a furnace body (16) and a trolley special for a multi-station vertical cast tube annealing furnace provided by any embodiment of the invention;

the special trolley for the multi-station vertical cast tube annealing furnace is arranged in a furnace body (16) when in work;

a combustion system (18) is arranged in the furnace body (16), and burners of the combustion system (18) are arranged on two sides of the furnace body (16);

one end of the furnace body (16) is provided with a furnace door (21), and the top of the furnace door (21) is provided with a pulley mechanism and a steel track (20) matched with the pulley mechanism;

set up furnace gate on furnace body (16) and compress tightly sealing mechanism, furnace gate compresses tightly sealing mechanism and includes: the device comprises a connecting rod (22), a cylinder (23), a cylinder base (24) and a connecting rod base (25); the furnace body of cylinder (23) passes through cylinder base (24) and articulates at furnace body (16) top, the piston rod of cylinder (23) articulates the one end at connecting rod (22), connecting rod base (25) are articulated to the other end bottom of connecting rod (22), install in steel track (20) connecting rod base (25).

Preferably, a plurality of positions on the furnace body (16) are provided with maintenance frames (26).

Preferably, a refractory lining (17) is arranged in the furnace body (16).

Preferably, the furnace body (16) is respectively connected with an air supply system (27), a smoke exhaust system (19) and an air heat exchanger;

the air supply system (27) and the smoke exhaust system (19) are respectively connected with the air heat exchanger.

Preferably, a controller and an ignition transformer are arranged on the burner of the combustion system (18).

Compared with the prior art, the special trolley for the multi-station vertical cast tube annealing furnace and the trolley type annealing furnace have the following advantages that:

1. the special trolley for the multi-station vertical cast tube annealing furnace is provided with a plurality of slewing mechanisms, provides a plurality of cast tube heat treatment stations, and can improve the efficiency and reduce the energy consumption; the cast pipe is vertically placed above the refractory heat-insulating block, and the stability of the cast pipe is ensured through the anti-dumping frame; the rotary motor drives the rotary frame to drive the anti-dumping frame above the rotary frame and the cast pipe to rotate slowly at a uniform speed, so that the uniformity of heating the pipe is ensured, and the deformation is prevented.

2. The fixing frame and the fireproof heat-insulating block on the trolley can prevent the over-high temperature in the hearth and the damage to the trolley body and mechanical components caused by the hot air flowing down to the trolley body.

3. The trolley has the advantages of simple and compact structure, few faults, long service life, high efficiency, reliable and stable operation, no occupation of workshop area, no limitation of stroke and the like.

4. According to the trolley type annealing furnace, the refractory lining is arranged in the furnace body and is made of refractory fibers, so that the trolley type annealing furnace is good in heat preservation performance, low in heat loss, low in fuel consumption and light in weight. And a plurality of positions on the furnace body are provided with maintenance frames, so that the furnace body is convenient to maintain.

5. According to the trolley type annealing furnace, the furnace body is provided with the furnace door pressing and sealing mechanism, the furnace body and the furnace door are sealed in a cylinder pressing mode, and the sealing performance of the furnace body is good.

6. The car-type annealing furnace adopts two sides of the furnace body to supply heat, a plurality of direct flame natural gas burners are positioned on the two sides of the furnace body, high-temperature airflow generated by combustion enters the furnace, and each burner is provided with a controller, an ignition transformer and other equipment to ensure the normal combustion of the burner in order to ensure the safe operation of each burner.

Drawings

FIG. 1 is a schematic structural view of a trolley special for a multi-station vertical cast tube annealing furnace provided by the invention;

FIG. 2 is a side view of the special trolley for the multi-station vertical cast tube annealing furnace provided by the invention;

FIG. 3 is a schematic view of the structure of the traveling mechanism;

FIG. 4 is a schematic view of the motor, slewing support and swivel;

FIG. 5 is a schematic application diagram (front side) of the trolley special for the multi-station vertical cast tube annealing furnace provided by the invention;

FIG. 6 is a schematic application view (side view) of the trolley special for the multi-station vertical cast tube annealing furnace provided by the invention;

FIG. 7 is a schematic view showing the structure of a cart type annealing furnace provided by the present invention;

FIG. 8 is a schematic side view of a cart-type annealing furnace provided by the present invention;

FIG. 9 is a schematic structural view of a door pinch seal mechanism;

FIG. 10 is a schematic view showing a state where the door is opened or closed;

fig. 11 is a schematic arrangement of an air supply system and a smoke exhaust system.

Reference numerals: 1. a traveling mechanism; 2. a swing mechanism; 3. a fixed mount; 4. a refractory insulating block; 5. a frame; 6. an anti-toppling frame; 7. a rotating frame; 8. a second pinion gear; 9. a rotary motor; 10. a rotary support; 11. a bull gear; 12. a first pinion gear; 13. a traveling motor; 14. a traveling wheel; 15. casting a pipe; 16. a furnace body; 17. a refractory lining; 18. a combustion system; 19. a smoke exhaust system; 20. a furnace door steel track; 21. a furnace door; 22. a connecting rod; 23. a cylinder; 24. a cylinder base; 25. a connecting rod base; 26. a maintenance frame; 27. an air supply system.

Detailed Description

In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some but not all of the relevant aspects of the present invention are shown in the drawings.