Pneumatic baffle lifting device for concrete discharge port

Abstract

The utility model relates to the field of lifting equipment, and discloses a concrete feed opening pneumatic baffle lifting device which comprises a main feed pipe, an auxiliary feed pipe is installed in the main feed pipe in a sliding mode, transverse plates are fixedly installed on the two sides of the auxiliary feed pipe, two connecting plates are fixedly installed at the bottoms of the transverse plates, a baffle is rotatably installed between the two connecting plates, and the baffle is fixedly installed on the main feed pipe. Fixing seats are fixedly mounted on the two sides of the main discharging pipe correspondingly, rectangular holes are formed in the tops of the fixing seats, rectangular rods are slidably mounted in the rectangular holes, the bottom ends of the rectangular rods are fixedly mounted on the corresponding transverse plates, inserting mechanisms are arranged between the fixing seats and the rectangular rods, and a same rotating shaft is rotatably mounted between the two connecting plates. And the baffles are fixedly arranged on the corresponding rotating shafts in a sleeving manner. The concrete feeding device has the following advantages and effects that the height of the discharging opening and the height of the baffle can be adjusted, concrete can be conveyed to feeding trolleys with different heights, and meanwhile the situation of material scattering can be avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of lifting equipment, in particular to a pneumatic baffle lifting device for a concrete feed opening. Background Art

[0002] Concrete is one of the most important civil engineering materials today. It is an artificial stone material made by mixing cementitious materials, granular aggregates, water, and, if necessary, admixtures and additives in a certain proportion. It is then uniformly mixed, compacted into a dense shape, and cured to harden.

[0003] At present, after searching, the patent document with the authorization announcement number CN214610032U discloses a position measuring device suitable for a concrete discharge port, the concrete discharge port includes a hopper fixedly mounted on the top plate, a feeding trolley for conveying concrete is arranged under the hopper, the position measuring device is arranged on the outside of the hopper, the position measuring device includes a shell fixedly mounted on the top of the top plate, the inner wall of the shell is provided with a limit switch for controlling the discharge of the hopper, and a movable rod for controlling the opening and closing of the limit switch is provided on the outside of the limit switch. A through hole is provided on the top of the top plate, one end of the movable rod passes through the through hole and extends into the shell, the movable rod is rotatably connected to the inner wall of the shell, the top end of the movable rod is fixedly connected to a connector for pressing the limit switch, and the bottom end of the movable rod is fixedly connected to an electric push rod; the purpose of the utility model is to provide a device suitable for the position of a concrete discharge port that is flexible in use, can measure the amount of concrete in the feeding trolley, and can close the hopper in time to avoid waste of material.

[0004] In actual use, it is found that after concrete preparation is completed, it needs to be transported to a concrete mixer truck. Most of them use a fixed discharge port, so that the concrete is discharged onto feeding trolleys at different heights. When the distance between the discharge port and the feeding trolley is large, concrete spillage is likely to occur. Therefore, we proposed a pneumatic baffle lifting device for a concrete discharge port to solve the above problem. Utility Model Content

[0005] The purpose of the utility model is to provide a pneumatic baffle lifting device for a concrete discharge port, which can adjust the height of the discharge port and the baffle, can transport concrete to feeding trolleys at different heights, and can avoid the occurrence of material spillage.

[0006] The above technical purpose of the present utility model is achieved through the following technical solutions: a pneumatic baffle lifting device for a concrete discharge port, comprising a main discharge pipe, an auxiliary discharge pipe is slidably installed in the main discharge pipe, and horizontal plates are fixedly installed on both sides of the auxiliary discharge pipe, two connecting plates are fixedly installed on the bottom of the horizontal plate, and a baffle is rotatably installed between the two connecting plates, and a fixing seat is fixedly installed on both sides of the main discharge pipe, a rectangular hole is opened on the top of the fixing seat, a rectangular rod is slidably installed in the rectangular hole, the bottom end of the rectangular rod is fixedly installed on the corresponding horizontal plate, and an interlocking mechanism is provided between the fixing seat and the rectangular rod.

[0007] By adopting the above technical solution, the height of the discharge port and the baffle can be adjusted, and concrete can be transported to feeding trolleys at different heights, while avoiding the situation of material spillage.

[0008] The utility model is further configured as follows: a same rotating shaft is rotatably installed between the two connecting plates, and the baffle is fixedly sleeved on the corresponding rotating shaft, a flip cylinder is fixedly installed on the front side of the connecting plate, and the output shaft of the flip cylinder is fixedly installed on the corresponding rotating shaft.

[0009] By adopting the above technical solution and providing a turning cylinder, the turning cylinder can drive the rotating shaft to rotate, and the rotating shaft can drive the baffle to rotate.

[0010] The utility model is further configured as follows: the plug-in mechanism includes a slot, a movable slot and a socket, the slot is opened on the rectangular rod, the movable slot is opened on the inner wall of one side of the rectangular hole, the socket is slidably installed in the movable slot, and the socket is adapted to the corresponding slot, the number of the multiple slots located on the same side is set to four to eight, and the four to eight slots are arranged at equal intervals.

[0011] By adopting the above technical solution and providing the socket and the slot, the purpose of fixing and releasing the rectangular rod can be achieved.

[0012] The utility model is further configured as follows: a threaded hole is provided on the inner wall of one side of the movable groove, an adjusting screw is threadedly installed in the threaded hole, one end of the adjusting screw is rotatably installed on the socket, and a knob is fixedly installed on the other end of the adjusting screw, a rotating groove is provided on the socket, an annular groove is provided on the inner wall of the rotating groove, an annular seat is fixedly installed on the adjusting screw, and the annular seat is rotatably connected to the corresponding annular groove.

[0013] By adopting the above technical solution and providing the annular groove and the annular seat, the adjusting screw can be rotatably installed on the socket.

[0014] The utility model is further configured as follows: sliding grooves are provided on both sides of the main discharge pipe, sliding plates are slidably installed in the sliding grooves, and the top ends of the rectangular rods are fixedly installed on the sliding plates.

[0015] By adopting the above technical solution and providing the sliding groove and the sliding plate, the purpose of stably moving the rectangular rod in the vertical direction can be achieved.

[0016] The utility model is further configured as follows: a sealing groove 1 is provided on the outer side of the auxiliary discharge pipe, a sealing strip 1 adapted to the main discharge pipe is installed in the sealing groove 1; a sealing groove 2 is provided on the inner wall of the main discharge pipe, a sealing strip 2 is installed in the sealing groove 2, and the sealing strip 2 is adapted to the auxiliary discharge pipe.

[0017] By adopting the above technical solution and providing the sealing strip 1 and the sealing strip 2, it is possible to increase the sealing performance between the main discharge pipe and the auxiliary discharge pipe.

[0018] The beneficial effects of the utility model are:

[0019] (1) The baffle is provided to shield the discharge port of the auxiliary discharge pipe. By starting the turning cylinder, the turning cylinder can drive the baffle to rotate through the output shaft, thereby achieving the purpose of opening or closing the discharge port of the auxiliary discharge pipe;

[0020] (2) When the position of the discharge port is required to be different, by turning the knob and adjusting the screw, the adjusting screw can be rotated and moved under the action of the threaded hole. The movement of the adjusting screw can drive the socket to move, so that the socket can be inserted into or out of the slot, which can achieve the purpose of fixing and releasing the rectangular rod. By moving the rectangular rod, the rectangular rod can drive the cross plate and the auxiliary discharge pipe to move downward, and the auxiliary discharge pipe can drive the baffle to move downward, which can achieve the purpose of adjusting the height of the discharge port and the baffle. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0022] Figure 1 This is a three-dimensional structural diagram of a pneumatic baffle lifting device for a concrete discharge port of the utility model;

[0023] Figure 2 This is a schematic diagram of the main structure of a pneumatic baffle lifting device for a concrete discharge port of the utility model;

[0024] Figure 3 The utility model is a schematic diagram of the structure A of a pneumatic baffle lifting device for a concrete discharge port.

[0025] In the figure, 1. Main discharge pipe; 2. Auxiliary discharge pipe; 3. Baffle; 4. Connecting plate; 5. Rotating shaft; 6. Flip cylinder; 7. Fixed seat; 8. Rectangular hole; 9. Rectangular rod; 10. Slot; 11. Movable slot; 12. Socket; 13. Threaded hole; 14. Adjusting screw; 15. Knob; 16. Sliding slot; 17. Sliding plate; 18. Sealing slot 1; 19. Sealing strip 1; 20. Sealing slot 2; 21. Sealing strip 2; 22. Horizontal plate. DETAILED DESCRIPTION

[0026] The following will clearly and completely describe the technical solutions of the present invention in conjunction with specific embodiments. Obviously, the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments derived by persons of ordinary skill in the art based on the embodiments of the present invention without inventive effort are also within the scope of protection of the present invention.

[0027] When a component is referred to as being "disposed on" another component, it can be directly on the other component or there can be an intervening component. "Disposed" indicates a way of existence, which can be a connection method such as connection, installation, fixed connection, active connection, etc. When a component is considered to be "connected" to another component, it can be directly connected to the other component or there can be an intervening component at the same time.

[0028] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the art to which this invention pertains. The terms used herein in the specification of the present invention are for the purpose of describing specific embodiments only and are not intended to limit the present invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0029] See also Figure 1-Figure 3 The utility model provides a pneumatic baffle lifting device for a concrete discharge port, comprising a main discharge pipe 1, an auxiliary discharge pipe 2 being slidably installed in the main discharge pipe 1, and horizontal plates 22 being fixedly installed on both sides of the auxiliary discharge pipe 2, and two connecting plates 4 being fixedly installed on the bottom of the horizontal plate 22, and a baffle 3 being rotatably installed between the two connecting plates 4, and a fixing seat 7 being fixedly installed on both sides of the main discharge pipe 1, and a rectangular hole 8 being opened on the top of the fixing seat 7, and a rectangular rod 9 being slidably installed in the rectangular hole 8, and the bottom end of the rectangular rod 9 being fixedly installed on the corresponding horizontal plate 22, and an interlocking mechanism being provided between the fixing seat 7 and the rectangular rod 9.

[0030] Specifically, the same rotating shaft 5 is rotatably installed between the two connecting plates 4, and the baffle 3 is fixedly sleeved on the corresponding rotating shaft 5. A flip cylinder 6 is fixedly installed on the front side of the connecting plate 4, and the output shaft of the flip cylinder 6 is fixedly installed on the corresponding rotating shaft 5.

[0031] Specifically, the plug-in mechanism includes a slot 10, a movable slot 11 and a socket 12. The slot 10 is opened on the rectangular rod 9, and the movable slot 11 is opened on the inner wall of one side of the rectangular hole 8. The socket 12 is slidably installed in the movable slot 11, and the socket 12 is adapted to the corresponding slot 10. The number of multiple slots 10 located on the same side is set to four to eight, and the four to eight slots 10 are arranged at equal intervals.

[0032] Specifically, a threaded hole 13 is provided on the inner wall of one side of the movable groove 11, and an adjusting screw 14 is installed with a thread inside the threaded hole 13. One end of the adjusting screw 14 is rotatably installed on the socket 12, and a knob 15 is fixedly installed on the other end of the adjusting screw 14. A rotating groove is provided on the socket 12, and an annular groove is provided on the inner wall of the rotating groove. An annular seat is fixedly installed on the adjusting screw 14, and the annular seat is rotatably connected to the corresponding annular groove.

[0033] Specifically, sliding grooves 16 are provided on both sides of the main discharge pipe 1, and a sliding plate 17 is slidably installed in the sliding groove 16, and the top end of the rectangular rod is fixedly installed on the sliding plate 17. A sealing groove 18 is provided on the outer side of the auxiliary discharge pipe 2, and a sealing strip 19 adapted to the main discharge pipe 1 is installed in the sealing groove 18. A sealing groove 20 is provided on the inner wall of the main discharge pipe 1, and a sealing strip 21 is installed in the sealing groove 20, and the sealing strip 21 is adapted to the auxiliary discharge pipe 2.

[0034] Working principle: By providing a baffle 3, the discharge port of the auxiliary discharge pipe 2 can be shielded. By starting the flip cylinder 6, the flip cylinder 6 can drive the baffle 3 to rotate through the output shaft, so as to achieve the purpose of opening or closing the discharge port of the auxiliary discharge pipe 2. When the position of the discharge port is required to be different, by rotating the knob 15 and the adjusting screw 14, under the action of the threaded hole 13, the adjusting screw 14 can be rotated and moved at the same time. The movement of the adjusting screw 14 can drive the socket 12 to move, so that the socket 12 can be inserted into or out of the slot 10, so as to achieve the purpose of fixing and releasing the rectangular rod 9. By moving the rectangular rod 9, the rectangular rod 9 can drive the cross plate 22 and the auxiliary discharge pipe 2 to move downward, and the auxiliary discharge pipe 2 can drive the baffle 3 to move downward, so as to achieve the purpose of adjusting the height of the discharge port and the baffle 3.

[0035] The above is a detailed introduction to the pneumatic baffle lifting device for a concrete discharge port provided by the present invention. This article uses specific embodiments to illustrate the principles and implementation methods of the present invention. The description of the above embodiments is only intended to help understand the method and core concept of the present invention. It should be noted that for ordinary technicians in this technical field, various improvements and modifications can be made to the present invention without departing from the principles of the present invention, and these improvements and modifications also fall within the scope of protection of the claims of the present invention.

Claims

1. A pneumatic baffle lifting device for a concrete feed port, characterized in that: The invention comprises a main feeding pipe (1), an auxiliary feeding pipe (2) is slidably installed in the main feeding pipe (1), a transverse plate (22) is fixedly installed on both sides of the auxiliary feeding pipe (2), two connecting plates (4) are fixedly installed on the bottom of the transverse plate (22), and a baffle (3) is rotatably installed between the two connecting plates (4); A fixing seat (7) is fixedly installed on both sides of the main discharge pipe (1), a rectangular hole (8) is opened on the top of the fixing seat (7), a rectangular rod (9) is slidably installed in the rectangular hole (8), the bottom end of the rectangular rod (9) is fixedly installed on the corresponding horizontal plate (22), and an insertion mechanism is provided between the fixing seat (7) and the rectangular rod (9).

2. The pneumatic baffle lifting device for a concrete feed port according to claim 1, characterized in that: A common rotating shaft (5) is rotatably mounted between the two connecting plates (4), and the baffle (3) is fixedly sleeved on the corresponding rotating shaft (5).

3. The pneumatic baffle lifting device for a concrete feed port according to claim 1, characterized in that: A turning cylinder (6) is fixedly mounted on the front side of the connecting plate (4), and an output shaft of the turning cylinder (6) is fixedly mounted on the corresponding rotating shaft (5).

4. The pneumatic baffle lifting device for a concrete feed port according to claim 1, characterized in that: The plug-in mechanism comprises a slot (10), a movable slot (11) and a socket (12); the slot (10) is provided on the rectangular rod (9); the movable slot (11) is provided on an inner wall of one side of the rectangular hole (8); the socket (12) is slidably mounted in the movable slot (11), and the socket (12) is adapted to the corresponding slot (10).

5. The pneumatic baffle lifting device for a concrete feed port according to claim 4, characterized in that: A threaded hole (13) is provided on the inner wall of one side of the movable groove (11), and an adjusting screw (14) is installed with an internal thread of the threaded hole (13). One end of the adjusting screw (14) is rotatably installed on the socket (12), and the other end of the adjusting screw (14) is fixedly installed with a knob (15).

6. The pneumatic baffle lifting device for a concrete feed port according to claim 5, characterized in that: The socket (12) is provided with a rotation groove, an annular groove is provided on the inner wall of the rotation groove, an annular seat is fixedly mounted on the adjusting screw (14), and the annular seat is rotationally connected to the corresponding annular groove.

7. The pneumatic baffle lifting device for a concrete feed port according to claim 4, characterized in that: The number of the plurality of slots (10) located on the same side is set to four to eight, and the four to eight slots (10) are arranged at equal intervals.

8. The pneumatic baffle lifting device for a concrete discharge port according to claim 1, characterized in that: Both sides of the main discharge pipe (1) are provided with sliding grooves (16), a sliding plate (17) is slidably installed in the sliding groove (16), and the top end of the rectangular rod is fixedly installed on the sliding plate (17).

9. The pneumatic baffle lifting device for a concrete feed port according to claim 1, characterized in that: A sealing groove (18) is provided on the outer side of the auxiliary discharge pipe (2), and a sealing strip (19) adapted to the main discharge pipe (1) is installed in the sealing groove (18).

10. The pneumatic baffle lifting device for a concrete feed port according to claim 1, characterized in that: A second sealing groove (20) is provided on the inner wall of the main discharge pipe (1), a second sealing strip (21) is installed in the second sealing groove (20), and the second sealing strip (21) is adapted to the auxiliary discharge pipe (2).

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