CN102286911B - Multi-station fast material unloading and loading mechanism - Google Patents

Abstract

The invention relates to a multi-station rapid unloading and loading mechanism, which includes a stirring drum provided with a feeding bin, a support frame is arranged outside the stirring drum, and a connecting rod is provided at the position corresponding to the outlet of the stirring drum below the support frame. The silo and the receiving silo are fixedly installed with a lifting rod, and a travel switch and a telescopic limit bracket are installed on the lifting rod. A fixed pulley is installed on the top of the lifting rod, and a lifting cable is arranged on the fixed pulley. One end of the lifting cable is connected to the fixed The motor installed on the support frame is connected, the other end is connected with the lifting hopper, and the bottom of the lifting hopper is connected with the sliding limit device that can slide up and down along the lifting rod; the invention ensures the working quality of loading and unloading, And greatly improve the work efficiency of loading and unloading and loading, improve the working environment of the constructors, reduce labor intensity, save resources, reduce the waste of resources, and reduce production costs.

Description

Multi-station fast unloading and loading mechanism

technical field

The invention relates to a road maintenance machine, in particular to a multi-station fast unloading and loading mechanism for an asphalt mixing plant.

Background technique

Existing asphalt mixing plants adopt fixed unloading and loading heights during unloading and loading operations. This fixed unloading and loading height has many disadvantages. First, in the cold winter period, the temperature in northern cities is very low. If the engineering vehicle for loading is far away from the loading station, heat will be lost during unloading, which will reduce the temperature of the asphalt mixture that has been mixed, and cannot reach the construction site. Requirements; the second is that the loading station is very high from the engineering vehicle, and some materials are lost to the outside of the engineering vehicle during loading, causing waste, polluting the working environment, and increasing the cost of mixing materials.

Contents of the invention

Aiming at the deficiencies of the prior art, the present invention provides a multi-station truck with simple structure, convenient operation, high loading efficiency, fast loading speed and low pollution, which can realize multi-station loading and unloading, and the height of unloading and loading can be adjusted. Station fast unloading and loading mechanism.

The technical solution of the present invention is achieved in the following way: a multi-station fast unloading and loading mechanism includes a stirring drum provided with a feeding bin, and a first support frame is arranged on the outside of the stirring drum, and the bottom of the first support frame is Corresponding to the position of the outlet of the mixing drum, a receiving bin is installed, and a lifting rod is fixedly installed in the receiving bin. A travel switch and a telescopic limit bracket are installed on the lifting rod. A fixed pulley is installed on the top of the lifting rod. A lifting cable is provided, one end of the lifting cable is connected to the motor fixedly installed on the first support frame, the other end is connected to the lifting hopper, and the bottom of the lifting hopper is connected to a sliding limiter capable of sliding up and down along the lifting rod; The sliding limit device includes a hopper sliding frame and a movable hinge and a positioning hinge fixedly installed on the hopper sliding frame, wherein a lifting hopper capable of rotating along the movable hinge is installed on the movable hinge, and the hopper sliding frame There are pulleys installed on the top, and the hopper sliding frame is installed on the lifting rod through the pulley; the travel switch is connected with the control system through a wire; the travel switch and the telescopic limit bracket are at least one, and the travel switch and telescopic The number of limit brackets is the same; the control system is provided with a central processor capable of receiving signals from the travel switch and processing the signals to control the start and stop of the motor and control the expansion and contraction of the telescopic limit brackets.

The lifting rod is fixedly installed on one side of the first support frame through the second support frame and the support rod.

A rotating rod is arranged on the lifting hopper, and the rotating rod is connected with the lifting cable.

The bottom of the lifting hopper is connected with a lifting hopper rotating frame, and a hole is opened on the lifting hopper rotating frame, and a shaft is installed in the hole, and the movable support hinge is connected with the lifting hopper rotating frame through the shaft.

The included angle between the support rod and the lifting rod is at least 30 degrees.

The connection mode between the lifting hopper and the lifting hopper rotating frame is welding.

The present invention has the following positive effects: the present invention is simple in structure, easy to operate, and high in working efficiency. By setting a pair of stations on the elevating rod, the elevating hopper is realized by using the travel switch and the telescopic wire as the support, and the elevating and elevating is driven by the motor. The cable slides on the fixed pulley, cooperates with the sliding limit device to realize the positioning and unloading of the lifting hopper, or the sliding loading of the lifting hopper; and there is at least one travel switch and telescopic limit bracket, and the number of travel switches and telescopic limit brackets is the same , to realize unloading and loading at multiple stations, which ensures the quality of loading and unloading, reduces the labor intensity of workers, improves the working environment, and saves the cost of mixing materials; according to the size of the engineering vehicle, adjust different The loading station improves the efficiency of loading and unloading.

Description of drawings

Fig. 1 is the structure schematic diagram when unloading of the present invention.

Fig. 2 is a structural schematic diagram of the present invention when charging.

Fig. 3 is a schematic diagram of the connection structure between the travel switch and the control system of the present invention.

Fig. 4 is a schematic diagram of the installation position of the travel switch and the telescopic limit bracket of the present invention.

Fig. 5 is an enlarged view of Fig. 3 and Fig. 4A of the present invention.

Fig. 6 is a structural schematic diagram of the lifting hopper of the present invention.

Fig. 7 is a schematic diagram of the connection structure between the lifting hopper and the movable hinge of the present invention.

Detailed ways

As shown in Figures 1, 2, 3, 4, 5, 6, and 7, a multi-station fast unloading and loading mechanism includes a mixing drum 8 provided with a feed bin 16, and the mixing drum 8 is externally arranged There is a first support frame 18, a material receiving bin 6 is arranged at the position corresponding to the outlet of the mixing drum 8 below the first supporting frame 18, and a lifting rod 12 is fixedly installed in the receiving bin 6, and a travel switch 1 is installed on the lifting rod 12 With telescopic limit bracket 2, fixed pulley 13 is installed on the top of elevating rod 12, and fixed pulley 13 is provided with lifting cable 11, and one end of lifting cable 11 is connected with the motor 17 that is fixedly installed on the first support frame 18, The other end is connected with the lifting hopper 4, and the bottom of the lifting hopper 4 is connected with a sliding limiter capable of sliding up and down along the lifting rod 12.

The sliding limit device includes a hopper sliding frame 10, a movable hinge 9 and a positioning hinge 3 fixedly installed on the hopper sliding frame 10, wherein the movable hinge 9 is equipped with a lifting hinge capable of rotating along the movable hinge 9. The hopper 4 has a pulley 14 installed on the hopper sliding frame 10, and the hopper sliding frame 10 is movably installed on the elevating rod 12 through the pulley 14. The travel switch 1 is connected with the control system 22 through wires. The lifting rod 12 is fixedly installed on one side of the first supporting frame 18 through the second supporting frame 7 and the supporting rod 15 . There is at least one travel switch 1 and telescopic limit bracket 2, and the number of travel switch 1 and telescopic limit bracket 2 is the same. The lifting hopper 4 is provided with a rotating rod 19, which is connected with the lifting cable 11. The bottom of the lifting hopper 4 is connected with a lifting hopper rotating frame 20, and a hole is provided on the lifting hopper rotating frame 20, and a shaft 21 is installed in the hole, and the movable hinge 9 is connected with the lifting hopper rotating frame 20 through the shaft 21. The control system 22 is provided with a central processing unit 23 capable of receiving the signal sent by the travel switch 1 and processing the signal to control the start and stop of the motor 17 and control the expansion and contraction of the telescopic limit bracket 2 . The included angle between the support rod 15 and the lifting rod 12 is at least 30 degrees. The connection between the lifting hopper 4 and the lifting hopper rotating frame 20 is welding.

As shown in Figures 1, 2, 3, 4, 5, 6, and 7, when charging, the qualified asphalt mixture is discharged through the mixing drum 8 and flows into the lifting hopper 4. At this time, the lifting hopper 4 is in the receiving bin 6 After the internal connection material and the asphalt mixture are filled, the lifting hopper 4 determines the height of the lifting hopper 4 according to the height of the engineering vehicle 5, and several travel switches 1 and telescopic limit brackets 2 are installed on the lifting rod 12, and the motor 17 drives the lifting cable 11 It can be used for lifting movement. The other end of the lifting cable 11 is connected with the lifting hopper 4. The lifting hopper 4 is lifted by the fixed pulley 13, and the lifting hopper 4 drives the hopper sliding frame 10 to perform lifting motion on the lifting rod 12. Including the movable hinge 9 and the positioning hinge 3, the lifting position is determined and fixed by the travel switch 1 and the telescopic limit bracket 2, and according to the height of the engineering vehicle 5, the travel switch 1 and the Telescopic limit bracket 2, as long as the height of the engineering vehicle 5 is determined, after the hopper sliding frame 10 rises to a suitable position relative to the engineering vehicle 5, the travel switch receives the signal that the hopper sliding frame 10 reaches the designated position, and transmits the signal to In the control system 22, the control system 22 is provided with a central processor 23 that can receive the signal sent by the travel switch 1 and process the signal to realize the control of the motor 17 on and off and the control of the expansion and contraction of the telescopic limit bracket 2. The central processor 23 sends Command, motor 17 stops, is halyard 11 to stop motion, and hoist hopper 4 stops motion, and simultaneously, telescopic limit bracket 2 stretches out, and supports hopper sliding frame 10 so that it no longer slides down, so that the halyard and telescopic limit bracket 2, the hopper sliding frame 10 stops moving and is limited. At this time, the central processing unit 23 issues an order, and the motor 17 runs, and the lifting hopper 4 on the hopper sliding frame 10 moves between the movable hinge 9 and the lifting hopper rotating frame 20. Under the action of the shaft, it moves axially around the shaft 21, and under the action of the rotating rod 19 on the hoist hopper 4 and the weight of the hoist hopper 4 itself, the material in the hoist hopper 4 begins to unload in the engineering vehicle 5. After the unloading is completed, the central processing unit 23 issues a command, the motor 17 rotates, and the telescopic limit bracket 2 shrinks simultaneously, the hopper sliding frame 10 releases the limit, the lifting hopper 4 moves downward until it falls into the receiving bin 6, and the stirring drum 8. Start working, and want to re-inject new stirred materials into the hopper 4, and reproduce the actions of repeating unloading and feeding.

In addition, the present invention can also control the height of the hopper sliding frame 10 manually, and an external switch can be set to realize the telescopic control of the telescopic limit bracket 2, and the same effect of the present invention can also be achieved.

The height of the elevating rod 12 in the present invention can be adjusted differently according to the environment of the construction site of the same batch or the same batch and the average height of the engineering vehicle, and can be designed and produced according to requirements.

The invention ensures the working quality of loading and unloading, greatly improves the working efficiency of loading, unloading and loading, improves the working environment of the builders, reduces labor intensity, saves resources, and reduces waste of resources , and reduce production costs.

Claims (6)

1. multistation quickly discharging material charge mechanism, comprise the mixing drum (8) that is provided with feeding warehouse (16), it is characterized in that: described mixing drum (8) outer setting has the first bracing frame (18), the position of the first bracing frame (18) below corresponding mixing drum (8) discharging opening is provided with the storehouse that connects material (6), connect material and be installed with elevating lever (12) in the storehouse (6), travel switch (1) and flexible limiting bracket (2) are installed on the elevating lever (12), at the top of elevating lever (12) fixed pulley (13) is installed, be provided with halyard (11) on the fixed pulley (13), one end of halyard (11) is connected with motor (17) on being fixedly mounted on the first bracing frame (18), the other end with promote hopper (4) and be connected, the bottom that promotes hopper (4) with can be connected along the slip stopping means that elevating lever (12) slide up and down; Described slip stopping means comprises hopper travelling carriage (10) and hinge (9) and positioning support hinge (3) are propped up in the activity on the hopper travelling carriage (10) of being fixedly mounted on, wherein, be equipped with on movable the hinge (9) and can prop up along activity the lifting hopper (4) of hinge (9) rotation, at hopper travelling carriage (10) pulley (14) is installed, hopper travelling carriage (10) is movably arranged on the elevating lever (12) by pulley (14); Described travel switch (1) is connected with control system (22) by wire; Described travel switch (1) and flexible limiting bracket (2) all are at least one, and travel switch (1) is identical with the number of flexible limiting bracket (2); Be provided with in the described control system (22) can receive signal that travel switch (1) sends and this signal processed and realize control motor (17) start-stop and the flexible central processing unit (23) of the flexible limiting bracket (2) of control.

2. multistation quickly discharging material charge mechanism according to claim 1, it is characterized in that: described elevating lever (12) is fixedly mounted on the first bracing frame (18) one sides by the second bracing frame (7) and support bar (15).

3. multistation quickly discharging material charge mechanism according to claim 1, it is characterized in that: be provided with swingle (19) on the described lifting hopper (4), swingle (19) is connected with halyard (11).

4. multistation quickly discharging material charge mechanism according to claim 1, it is characterized in that: described lifting hopper (4) bottom is connected with and promotes hopper swivel mount (20), offer porose on the lifting hopper swivel mount (20), axle (21) is installed in this hole, and movable hinge (9) is connected with lifting hopper swivel mount (20) by axle (21).

5. multistation quickly discharging material charge mechanism according to claim 2 is characterized in that: the angle between described support bar (15) and the elevating lever (12) is at least 30 degree.

6. multistation quickly discharging material charge mechanism according to claim 4 is characterized in that: described lifting hopper (4) is welding with the connected mode that promotes hopper swivel mount (20).

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