CN206552686U - Heavy-duty plate feeder carrier bar hydraulic swelling-up device - Google Patents

Abstract

The utility model belongs to the field of mechanical equipment, in particular to a chain plate hydraulic tensioning device of a heavy-duty apron feeder, which includes an oil cylinder and a block. Injection port, a grease check valve is installed on the grease injection port, a stopper is fixed on the top of the piston rod of the oil cylinder, the stopper is connected with the bearing seat of the driven sprocket on the feeder, and a chute is provided on the inner bracket. The bearing seat of the sprocket is installed in the chute and can move along the chute. The utility model has a reasonable structure, can realize the stretching and tightening of the chain plate, has high degree of mechanization, convenient operation and high efficiency, not only reduces labor intensity, improves production efficiency, but also effectively avoids potential safety hazards existing in the traditional manual operation process.

Description

Heavy-duty apron feeder chain plate hydraulic tensioning device

technical field

The utility model relates to a chain plate hydraulic tensioning device of a heavy-duty plate feeder, which belongs to the field of mechanical equipment.

Background technique

The chain plates of traditional heavy-duty apron feeders mostly adopt the adjustment method of screw rotation to achieve tension. This method is relatively primitive and backward, requiring manual operation. The operation is cumbersome and labor-intensive, and there are certain safety hazards.

Utility model content

The technical problem to be solved by the utility model is: to overcome the deficiencies in the prior art, and to provide a hydraulic lifter for the chain plate of a heavy-duty apron feeder that can realize automatic mechanized operation, convenient operation, high efficiency, low labor intensity and safe and reliable operation. tighten the device.

The hydraulic tensioning device for the chain plate of the heavy-duty apron feeder described in the utility model includes an oil cylinder and a stopper. Grease inlet one-way valve, the top of the piston rod of the oil cylinder is fixed with a stopper, the stopper is connected with the bearing seat of the driven sprocket on the feeder, a chute is provided on the inner bracket, and the bearing seat of the driven sprocket is installed on this in the chute and can move along the chute. Wherein, the connection mode between the block and the bearing seat of the driven sprocket can be a fixed connection or a hinged connection.

This heavy-duty apron feeder chain plate hydraulic tensioning device has changed the traditional structure, and instead of manually adjusting the screw, it uses an oil cylinder for adjustment. The oil cylinder in the utility model is only provided with a grease injection at the rear of the cylinder body. The inlet is different from the working mode of the traditional oil cylinder (traditional oil cylinder uses two oil inlets to alternately feed oil to realize the expansion and contraction of the piston rod). The adjustment process is as follows: use a grease gun to inject grease into the cylinder body of the oil cylinder from the grease inlet check valve, the grease pushes out the piston rod of the oil cylinder, and then pushes the bearing seat of the driven sprocket to move forward through the stopper, driving the driven sprocket Move forward to finally realize the tightening of the chain plate.

Preferably, a limit plate is fixed on the inner bracket, a cylinder limit hole is set on the limit plate, the rear part of the cylinder passes through the cylinder limit hole, and a guide plate is fixed at the front of the cylinder , the corresponding guide plate is provided with a guide groove in the inner bracket, and the cylinder body can be displaced along the guide groove; there is a spring outside the cylinder body, and the spring is located between the limit plate and the guide plate, and its two ends are connected with the limit plate and the guide plate respectively. connect. When the piston rod of the oil cylinder is pressed against the driven sprocket, if the operator has not stopped injecting grease, the cylinder body will move backwards (reverse to the piston rod), and the spring can play a role in the spring under the action of its own elasticity. The role of the moving sprocket; if there is an abnormality during work, the spring can also play a buffer role through compression.

Preferably, the moving direction of the bearing seat of the driven sprocket is parallel to the moving direction of the piston rod of the oil cylinder.

Compared with the prior art, the utility model has the following beneficial effects:

The utility model has a reasonable structure, can realize the stretching and tightening of the chain plate, has high degree of mechanization, convenient operation and high efficiency, not only reduces labor intensity, improves production efficiency, but also effectively avoids potential safety hazards existing in the traditional manual operation process.

Description of drawings

Fig. 1 is the structural representation of the utility model.

In the figure: 1. Grease inlet one-way valve; 2. Cylinder body; 3. Spring; 4. Piston rod; 5. Block; 6. Bearing seat of driven sprocket; 9. Inner bracket; 10. Guide plate; 11. Guide groove; 12. Limit plate.

detailed description

Embodiments of the utility model are further described below in conjunction with the accompanying drawings:

As shown in Figure 1, the chain plate hydraulic tensioning device of the heavy-duty apron feeder described in the utility model includes an oil cylinder and a block 5, and the cylinder body 2 of the oil cylinder is installed on the inner support 9 of the feeder, and its rear part has Grease injection port, a grease check valve 1 is installed on the grease injection port, a block 5 is fixed on the top of the piston rod 4 of the oil cylinder, the block 5 is hinged with the bearing seat 6 of the driven sprocket on the feeder, and on the inner bracket 9 A chute 7 is provided, and the bearing seat 6 of the driven sprocket is installed in the chute 7 and can move along the chute 7; a limiting plate 12 is fixed on the inner bracket 9, and a cylinder limit plate 12 is set on the limiting plate 12. hole, the rear part of the cylinder body 2 passes through the limit hole of the cylinder body, the front part of the cylinder body 2 is fixed with a guide plate 10, and the corresponding guide plate 10 is provided with a guide groove 11 in the inner bracket 9, and the cylinder body 2 can be moved along the The guide groove 11 is displaced; the cylinder body 2 is covered with a spring 3, and the spring 3 is located between the limit plate 12 and the guide plate 10, and its two ends are respectively connected with the limit plate 12 and the guide plate 10; the bearing seat of the driven sprocket 6. The direction of movement is parallel to the direction of movement of the piston rod 4 of the oil cylinder.

This heavy-duty apron feeder chain plate hydraulic tensioning device has changed the traditional structure, no longer using the screw for manual adjustment, but using the oil cylinder for automatic adjustment. The adjustment process is as follows: use a traditional commercially available grease gun to inject grease from the grease inlet check valve 1 into the cylinder body 2 of the oil cylinder, so that the piston rod 4 of the oil cylinder is stretched out, driving the bearing seat 6 of the driven sprocket to move, and pushing the driven sprocket. Chain wheel moves forward, reaches the purpose that chain plate 8 tightens up. When the piston rod 4 of the oil cylinder presses against the driven sprocket, if the operator has not stopped injecting grease, the cylinder body 2 will move backwards (opposite to the piston rod 4), and at the same time, the spring 3 can It plays the role of tightening the driven sprocket; if abnormality occurs during work, the spring 3 can also play a buffering role through compression.

Claims (5)

1. a kind of heavy-duty plate feeder carrier bar hydraulic swelling-up device, it is characterised in that：Including oil cylinder and block (5)；Oil cylinder Cylinder body (2) is arranged on the inner support (9) of batcher, and its rear portion has is installed into grease in grease injection port, grease injection port Check valve (1)；Piston rod (4) top of oil cylinder is fixed with block (5), the bearing block of block (5) and driven sprocket on batcher (6) connect, chute (7) is provided with inner support (9), the bearing block (6) of driven sprocket is arranged in the chute (7) and being capable of edge Chute (7) is mobile.

2. heavy-duty plate feeder carrier bar hydraulic swelling-up device according to claim 1, it is characterised in that：Described block (5) it is fixedly connected with the bearing block (6) of driven sprocket.

3. heavy-duty plate feeder carrier bar hydraulic swelling-up device according to claim 1, it is characterised in that：Described block (5) bearing block (6) with driven sprocket is hinged.

4. the heavy-duty plate feeder carrier bar hydraulic swelling-up device according to Claims 2 or 3, it is characterised in that：Described Setting cylinder body spacing hole on a limiting plate (12), limiting plate (12) is fixed on inner support (9), the rear portion of cylinder body (2) is limited from cylinder body Position is passed in hole, and the front portion of cylinder body (2) is fixed with guide plate (10), and correspondence guide plate (10) is in inner support (9) provided with guiding Groove (11), cylinder body (2) can be subjected to displacement along guide groove (11)；Spring (3) is cased with outside cylinder body (2), spring (3) is located at limiting plate (12) between guide plate (10), its two ends is connected with limiting plate (12), guide plate (10) respectively.

5. the heavy-duty plate feeder carrier bar hydraulic swelling-up device according to Claims 2 or 3, it is characterised in that：Described Bearing block (6) direction of motion of driven sprocket is parallel with piston rod (4) direction of motion of oil cylinder.