CN219566552U - Push-pull device for feeding and discharging box-type furnace skip - Google Patents

Abstract

The utility model relates to a push-pull device for a box-type charge car to enter and exit a furnace, which comprises a car underframe, two track beams horizontally arranged on two sides above the car underframe through two track brackets respectively, a gear motor arranged at one end of the middle part of the car underframe, two driving chain wheels symmetrically arranged on two sides of the gear motor and fixedly connected with an output shaft of the gear motor in a coaxial way, two driven chain wheels arranged at the other end of the car underframe through a chain wheel bracket, two open chains respectively connected with the two driving chain wheels and the two driven chain wheels, and a hook trolley respectively connected with two ends of the two open chains and rolling along the two track beams; the hook trolley comprises a trolley frame, a pushing component and a pulling component, wherein the pushing component and the pulling component are arranged on the trolley frame. The double-chain driven hook trolley is adopted to push and pull the skip car into and out of the furnace, a forklift or a manipulator is replaced, the cost is low, the hook trolley is high in load, stable in operation and high in response speed.

Description

Push-pull device for feeding and discharging box-type furnace skip

Technical Field

The utility model relates to the technical field of heat treatment equipment, in particular to a push-pull device for a box-type charge car to enter and exit a furnace.

Background

The box-type furnace is a common heat treatment device, in order to facilitate the work piece to go in and out in the prior art, a skip is generally used for carrying the work piece for heat treatment, the work piece is carried by the skip to enter the furnace for heat treatment, and the work piece is carried by the skip to go out of the furnace after the heat treatment is completed. The temperature in the box-type furnace is high, the skip car needs to be fed into the furnace by means of tools, such as a forklift or a manipulator, and the forklift is operated back and forth, so that time and labor are wasted, and the processing cost is increased; the manipulator has high manufacturing cost, complex structure and difficult maintenance, and also causes the increase of processing cost.

Disclosure of Invention

In order to solve the technical problems, the utility model provides a push-pull device for feeding and discharging a box-type charge car.

The technical scheme adopted by the utility model is as follows:

the push-pull device comprises a chassis, two track beams horizontally arranged on two sides above the chassis through two track brackets respectively, a gear motor arranged at one end of the middle part of the chassis, two driving chain wheels symmetrically arranged on two sides of the gear motor and fixedly connected with an output shaft of the gear motor in a coaxial way, two driven chain wheels arranged at the other end of the chassis through a chain wheel bracket, two open chains respectively connected with the two driving chain wheels and the two driven chain wheels, and a hook trolley respectively connected with two ends of the two open chains and rolling along the two track beams; the hook trolley comprises a trolley frame, a pushing component and a pulling component, wherein the pushing component and the pulling component are arranged on the trolley frame.

Further, the pushing assembly comprises a push rod with one end fixed on the trolley frame and a pushing plate connected with one end of the push rod far away from the frame.

Further, the material pulling component comprises a hook with a hook head at one end, a rotating shaft rotatably arranged above the push rod through a rotating shaft bracket and fixedly connected with the other end of the hook, a rocker arm with one end fixedly sleeved on the rotating shaft, a connecting rod rotatably connected with the other end of the rocker arm, and a power device for driving the connecting rod to move back and forth.

Further, the power device is an air cylinder or an electric cylinder.

Further, two hooks are symmetrically arranged at two ends of the rotating shaft.

Further, two guide rails parallel to the rail beams are arranged on the inner sides of the two rail brackets, roller brackets are arranged on two sides of the bottom of the trolley frame, anti-overturning rollers are mounted on the roller brackets, and the anti-overturning rollers are in rolling connection with the lower side surfaces of the guide rails.

Further, the anti-rolling wheels are provided with four groups.

The utility model has the beneficial effects that:

1. the double-chain driving feeding and discharging trolley has large load and stable operation.

2. The push-pull material automatically unhooks the hook, and the air cylinder or the electric cylinder drives the cantilever to rotate, so that the response speed is high and the structure is compact.

3. 4 groups of anti-overturning wheels are arranged on the feeding and discharging trolley, so that the running reliability under heavy load is ensured.

4. The furnace charging and discharging device is applicable to charging and discharging of various box-type furnace trucks, replaces forklifts or manipulators, and is low in cost.

Drawings

Fig. 1 is a schematic structural view of a push-pull device of the present utility model.

Fig. 2 is a top view of fig. 1.

Fig. 3 is a side view of fig. 1.

Fig. 4 is a schematic structural view of the hooking trolley of the utility model.

Detailed Description

In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solution of the present utility model will be clearly and completely described with reference to the accompanying drawings and a preferred embodiment.

Referring to fig. 1 to 4, the hanger trolley comprises a vehicle chassis 10, two track beams 20 horizontally arranged on two sides above the vehicle chassis through two track brackets respectively, a gear motor 30 installed at one end of the middle part of the vehicle chassis 10, two driving chain wheels 40 symmetrically arranged on two sides of the gear motor 30 and fixedly connected with an output shaft of the gear motor in a coaxial manner, two driven chain wheels 50 installed at the other end of the vehicle chassis through a chain wheel bracket 51, two open chains 60 respectively connected with the two driving chain wheels and the two driven chain wheels, and a hanger trolley respectively connected with two ends of the two open chains 50 and rolling along the two track beams 20; the hook trolley comprises a trolley frame 110, a pushing component 120 and a pulling component 130 which are arranged on the trolley frame.

In specific implementation, the underframe 10 is a rectangular frame made of horizontal channel steel, a plurality of vertical channel steel 11 are arranged on two long edges of the rectangular frame at intervals, a horizontal channel steel 12 is arranged on the top surface of the vertical channel steel 11 on the same side, and a track beam 20 is arranged above the horizontal channel steel 12. The vertical channel steel 11 and the horizontal channel steel 12 form a track bracket. Two guide rails 13 parallel to the track beams 20 are respectively arranged at the upper ends of the inner sides of the vertical channel steel 11 at the two sides. In the present embodiment, the guide rail 13 is made of square steel. The guide rail 13, the vertical channel steel 11, the horizontal channel steel 12, the vehicle underframe 10 and the track beam 20 are all welded. The rail brackets form a support frame with the chassis 10 having a U-shaped cross section.

The gear motor 30 is mounted on the chassis 10 through a motor bracket, and comprises a driving motor and a reduction gearbox, wherein an output shaft of the reduction gearbox extends out of two sides of the gearbox and is coaxially connected with a sprocket shaft 41 of the driving sprocket 40 through a coupling 31. The driving sprocket 40 is fixedly sleeved on a sprocket shaft 41, both ends of the sprocket shaft 41 are rotatably installed in bearing blocks 42, and the bearing blocks 42 are fixedly installed on the chassis 10 through a bracket. The two driven sprockets 50 are arranged in one-to-one correspondence with the two driving sprockets 40.

The trolley frame 110 is a rectangular frame made of channel steel, the front side and the rear side in the rectangular frame are respectively provided with a rotating shaft 111, the rotating shafts 111 are rotatably arranged in the rectangular frame through bearings, two ends of each rotating shaft respectively extend out of the left side and the right side of the rectangular frame to be connected with a roller 112, the roller 112 is in rolling connection with the track beam 20, and the roller surface of the roller 112 is L-shaped so as to limit the roller on the track beam. The bottom both sides of rectangular frame install 4 downwardly extending's gyro wheel supports 113, and the rotation is installed on the gyro wheel support 113 and is prevented rolling wheel 114, prevents rolling wheel 114 and the downside roll connection of guide rail 13. The middle position of the bottom of the rectangular frame is provided with 4 chain fixing brackets 115, and each chain fixing bracket 115 is provided with a cylindrical pin for fixedly connecting the open chain 60. An open chain 60 is secured at one end to one cylindrical pin and at the other end to the other cylindrical pin around the drive sprocket 40 and the driven sprocket 50.

The pushing assembly 120 comprises a push rod 121 with one end fixed on the trolley frame and a pushing plate 122 connected with one end of the push rod far away from the frame. The push rod 121 extends in the direction of the furnace mouth, i.e. to the right of the trolley frame as shown in fig. 1. The face of the pushing plate 122 is perpendicular to the extending direction of the pushing rod 121, and the pushing plate 122 is vertically fixed at one end of the pushing rod far away from the trolley frame.

The pulling assembly 130 comprises a hook 131 with a hook head at one end, a rotating shaft 133 rotatably installed above the trolley frame 110 through a rotating shaft bracket 132 and fixedly connected with the other end of the hook 131, a rocker 134 with one end fixedly sleeved on the rotating shaft 133, a connecting rod 135 rotatably connected with the other end of the rocker 134, and a power device 136 for driving the connecting rod 135 to move forwards and backwards. Preferably, two hooks 131 are symmetrically arranged at two ends of the rotating shaft 133.

The power device 136 may be a cylinder or an electric cylinder. In this embodiment, a cylinder is selected, and a cylinder rod is connected to the connecting rod 135. The piston rod of the cylinder stretches out and draws back to push the connecting rod 135 to move forwards or backwards, the connecting rod 135 drives the rocker arm 134 to rotate anticlockwise or clockwise around the central line of the rotating shaft 133, and the rotating shaft 133, the rocker arm 134 and the hook 131 are fixed together, so that the rocker arm drives the hook to rotate together.

For protection, a cover plate 140 is also arranged above the trolley frame 110, and the cover plate 140 covers the material pulling assembly 130 and the roller 112 in the cover shell.

The application mode of the utility model is as follows:

the push-pull device is placed on the outer side of a box-type furnace, the elevation of a track beam 20 is matched with the elevation of the bottom of a hearth, a skip car is placed in front of a hook trolley, and rollers matched with the track beam 20 are arranged at the bottom of the skip car;

when the skip car enters the furnace, the air cylinder drives the connecting rod 135 to move forwards to drive the hook 131 to rotate anticlockwise to avoid the pushing plate 122, the gear motor 30 drives the chain 60 to rotate clockwise to drive the hook trolley to move towards the furnace mouth, and the pushing plate 122 pushes the skip car into the furnace;

when the skip car is discharged, the speed reducing motor 30 drives the chain 60 to rotate clockwise to drive the hook trolley to move towards the furnace mouth, the air cylinder drives the connecting rod 135 to move backwards to drive the hook 131 to rotate clockwise, and the hook head hooks the skip car downwards; the gear motor 30 drives the chain 60 to rotate anticlockwise, and the hook trolley pulls the skip out of the hearth.

The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model and remain within the scope of the utility model.

Claims (7)

1. The push-pull device for the furnace charging and discharging of the box-type furnace skip car is characterized by comprising a car underframe, two rail beams horizontally arranged on two sides above the car underframe through two rail brackets respectively, a gear motor arranged at one end of the middle part of the car underframe, two driving chain wheels symmetrically arranged on two sides of the gear motor and fixedly connected with an output shaft of the gear motor in a coaxial manner, two driven chain wheels arranged at the other end of the car underframe through a chain wheel bracket, two open chains respectively connected with the two driving chain wheels and the two driven chain wheels, and a hook trolley respectively connected with two ends of the two open chains and rolling along the two rail beams; the hook trolley comprises a trolley frame, a pushing component and a pulling component, wherein the pushing component and the pulling component are arranged on the trolley frame.

2. The push-pull device for charging and discharging a box-type furnace skip according to claim 1, wherein the pushing assembly comprises a push rod with one end fixed on a trolley frame and a pushing plate connected with one end of the push rod far away from the frame.

3. The push-pull device for charging and discharging a box-type charge car according to claim 2, wherein the charge pulling assembly comprises a hook with a hook head at one end, a rotating shaft rotatably installed above the push rod through a rotating shaft bracket and fixedly connected with the other end of the hook, a rocker arm with one end fixedly sleeved on the rotating shaft, a connecting rod rotatably connected with the other end of the rocker arm, and a power device for driving the connecting rod to move back and forth.

4. A push-pull device for charging and discharging a box-type charge car according to claim 3, wherein the power means is a cylinder or an electric cylinder.

5. A push-pull device for feeding and discharging a box-type charge car into and out of a furnace according to claim 3, wherein two hooks are symmetrically arranged at two ends of the rotating shaft.

6. The push-pull device for the in-and-out furnace of the box-type furnace skip according to claim 1, wherein two guide rails parallel to the rail beams are arranged on the inner sides of the two rail brackets, roller brackets are arranged on two sides of the bottom of the trolley frame, and anti-overturning rollers are mounted on the roller brackets and are in rolling connection with the lower sides of the guide rails.

7. The push-pull device for charging and discharging a box-type charge car according to claim 6, wherein the rolling prevention wheels are provided with four groups.