Concrete conveying and stopping device

Abstract

The utility model provides a concrete conveying cut-off device, which belongs to the technical field of concrete conveying, and comprises a conveying cavity, a feeding screw rod is rotatably arranged in the conveying cavity, the two ends of the feeding screw rod are fixedly connected with mounting blocks, the inner walls of the two ends of the conveying cavity are provided with connecting shaft seats, and the connecting shaft seats are fixedly connected with the mounting blocks. A fixing seat matched with the mounting block is rotationally arranged on the connecting shaft seat, a discharging opening is formed in the bottom, close to one side of the connecting shaft seat, of the conveying cavity, a motor is arranged on the outer portion, close to the other side of the connecting shaft seat, of the conveying cavity, and the output end of the motor is fixedly connected with one end of the fixing seat; an arc-shaped cover plate is arranged at the top of the conveying cavity, a feeding hopper is arranged on the arc-shaped cover plate, and a supporting frame is arranged at the bottom of the conveying cavity; the problem that internal accumulated materials are inconvenient to clean can be solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of concrete conveying, and in particular relates to a concrete conveying cut-off device. Background Art

[0002] A concrete stop pump is a special type of concrete pump that has a stop function and can be used to transfer concrete and control the direction of discharge. This pump is usually used to transport concrete from a mixer truck or mixing plant to a specific location on the construction site, such as a floor, wall or column.

[0003] After using the concrete stop pump, concrete may remain inside, especially inside the delivery pipe. Due to the characteristics of concrete, these residues tend to solidify inside the pump body, making cleaning difficult and time-consuming, affecting the preparations before the next use, and may cause the pump to degrade or damage its performance; if the concrete stop pump fails or requires maintenance due to the solidification of internal residues, it will also affect the construction progress, causing project delays and additional costs; therefore, after each use, the accumulated materials inside the device need to be cleaned to facilitate the normal use of the device next time and ensure its normal service life; the concrete stop device in the prior art is usually not easy to disassemble internally, so there is a problem of inconvenient internal cleaning. Utility Model Content

[0004] In view of this, the utility model provides a concrete delivery cut-off device, which can solve the problem of inconvenience in cleaning internal accumulated materials.

[0005] The utility model is achieved in this way:

[0006] The utility model provides a concrete conveying cut-off device, which comprises a conveying chamber, a feeding screw is rotatably arranged inside the conveying chamber, both ends of the feeding screw are fixedly connected with mounting blocks, both ends of the conveying chamber are provided with coupling seats, a fixing seat adapted to the mounting block is rotatably arranged on the coupling seat, a discharge port is provided at the bottom of the coupling seat near one side of the conveying chamber, a motor is provided outside the coupling seat near the other side of the conveying chamber, the output end of the motor is fixedly connected with one end of the fixing seat, an arc-shaped cover plate is provided on the top of the conveying chamber, a feeding hopper is provided on the arc-shaped cover plate, and a supporting frame is provided at the bottom of the conveying chamber.

[0007] The technical effects of a concrete conveying cut-off device provided by the utility model are as follows: a conveying chamber is provided as the main body of the device to accommodate and cooperate with the rotation of a feeding screw to realize the conveying of concrete; mounting blocks are provided at both ends of the feeding screw to facilitate the disassembly of the feeding screw for internal cleaning and ensure that the feeding screw is more stable during the connection and rotation process; a coupling seat and a fixing seat are provided to enable the feeding screw to cooperate with the motor to rotate inside the conveying chamber; an arc-shaped cover plate is provided to cover and seal the conveying chamber, and a feeding hopper at the top is used as a feeding port, and a support frame is provided to support the device to ensure the stability of its operation.

[0008] On the basis of the above technical solution, a concrete delivery cut-off device of the utility model can also be improved as follows:

[0009] Wherein, the conveying cavity and the arc-shaped cover plate are movably hinged through a hinge, and the conveying cavity and the arc-shaped cover plate are matched and clamped.

[0010] The beneficial effect of adopting the above-mentioned improvement scheme is that by providing a movable arc-shaped cover plate, it is convenient to open the conveying cavity for internal cleaning.

[0011] Furthermore, a clamping groove is provided at the contact end between the conveying cavity and the arc-shaped cover plate, and a sealing protrusion is provided on the arc-shaped cover plate at a position corresponding to the clamping groove, and a size of the sealing protrusion is adapted to the clamping groove.

[0012] The beneficial effect of adopting the above-mentioned improvement scheme is: by setting the clamping groove and cooperating with the sealing protrusion, it is used to seal the conveying cavity to prevent the feeding material from leaking out.

[0013] Furthermore, a threaded hole is provided at a position of the clamping groove corresponding to the sealing protrusion, and a fixing bolt is provided inside the threaded hole.

[0014] The beneficial effect of adopting the above-mentioned improvement scheme is: by providing fixing bolts to cooperate with the threaded holes on the snap-fit ​​groove and the sealing protrusion, the arc-shaped cover plate is locked and fixed, thereby further enhancing its sealing performance.

[0015] Furthermore, the cross section of the mounting block is a rounded rectangular structure, and the fixing seat is provided with a slideway adapted to the mounting block.

[0016] The beneficial effect of adopting the above-mentioned improvement scheme is that by providing a mounting block with a rounded corner structure, it is convenient for both ends of the feeding screw to slide into the slideway on the fixing seat, thereby facilitating disassembly and assembly.

[0017] Furthermore, threaded holes are provided at corresponding positions on both sides of the fixing seat and the mounting block, and bolts are provided inside the threaded holes.

[0018] The beneficial effect of adopting the above-mentioned improvement scheme is: bolts are used to fix the position of the mounting block inside the slideway, so that the feeding screw is more stable during feeding.

[0019] Furthermore, the coupling seat is fixedly connected to two sides of the conveying cavity, a bearing seat is arranged inside the coupling seat, and a bearing is rotatably clamped on the bearing seat.

[0020] The beneficial effect of adopting the above-mentioned improvement scheme is: by setting a bearing seat, it is used to fix and install the bearing.

[0021] Furthermore, the inner ring of the bearing is fixedly connected to the fixing seat via a connecting rod, and the bearing is used to drive the fixing seat to rotate along the inner wall of the conveying cavity.

[0022] The beneficial effect of adopting the above-mentioned improvement scheme is that the fixed seat is connected with the bearing so that the fixed seat can rotate through the bearing, thereby enabling the feeding screw to rotate along the inner wall of the conveying cavity.

[0023] Furthermore, a sealing rubber ring is provided at one end of the bearing seat close to the fixing seat, the sealing rubber ring is fixedly connected to the end of the bearing seat, and a through hole adapted to the connecting rod is opened at the center of the sealing rubber ring.

[0024] The beneficial effect of adopting the above-mentioned improvement scheme is: by providing a sealing rubber ring, it is used to seal the gap between the end of the feed screw fixing seat and the bearing seat to prevent concrete from invading the bearing seat.

[0025] Furthermore, a sealing protrusion is provided on the inner wall of the through hole of the sealing rubber ring, and the sealing protrusion is in contact with the connecting rod.

[0026] Compared with the prior art, the beneficial effects of a concrete conveying cut-off device provided by the utility model are as follows: a conveying chamber is provided as the main body of the device to accommodate and cooperate with the rotation of the feeding screw to realize the conveying of concrete; mounting blocks are provided at both ends of the feeding screw to facilitate the disassembly of the feeding screw for internal cleaning and ensure that the feeding screw is more stable during the connection and rotation process; a coupling seat and a fixed seat are provided to enable the feeding screw to cooperate with the motor to rotate inside the conveying chamber; an arc-shaped cover plate is provided to cover and seal the conveying chamber, and the feed hopper at the top is used as the feed port, and a support frame is provided to support the device to ensure its operation stability; a sealing rubber ring is provided to seal the gap between the end of the feeding screw fixed seat and the bearing seat to prevent concrete from invading the bearing seat. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the description of the embodiments of the utility model will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0028] Figure 1 It is a top schematic diagram of a concrete delivery cut-off device;

[0029] Figure 2 It is a structural schematic diagram of a concrete delivery cut-off device;

[0030] Figure 3 for Figure 2 A magnified schematic diagram of part A;

[0031] Figure 4 It is a side schematic diagram of a concrete delivery cut-off device;

[0032] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0033] 10. Conveying chamber; 11. Feeding screw; 12. Mounting block; 13. Coupling seat; 14. Fixed seat; 15. Discharge port; 16. Motor; 17. Arc cover plate; 18. Feed hopper; 19. Fixing bolt; 20. Bearing seat; 21. Bearing; 22. Sealing rubber ring. DETAILED DESCRIPTION

[0034] In order to make the purpose, technical solution and advantages of the implementation mode of the present invention clearer, the technical solution in the implementation mode of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the implementation mode of the present invention.

[0035] like Figure 1-4 As shown, it is an embodiment of a concrete conveying cut-off device provided by the utility model. In this embodiment, it includes a conveying chamber 10, a feeding screw 11 is rotatably arranged inside the conveying chamber 10, both ends of the feeding screw 11 are fixedly connected with mounting blocks 12, both ends of the conveying chamber 10 are provided with coupling seats 13, a fixing seat 14 adapted to the mounting block 12 is rotatably arranged on the coupling seat 13, a discharge port 15 is provided at the bottom of the conveying chamber 10 near one side of the coupling seat 13, a motor 16 is provided outside the conveying chamber 10 near the other side of the coupling seat 13, the output end of the motor 16 is fixedly connected to one end of the fixing seat 14, an arc-shaped cover plate 17 is provided on the top of the conveying chamber 10, a feed hopper 18 is provided on the arc-shaped cover plate 17, and a support frame is provided at the bottom of the conveying chamber 10.

[0036] When in use, concrete is filled into the feed hopper 18 at the top of the conveying chamber 10 by a concrete feeder or manual filling. Concrete enters the conveying chamber 10 through the feed hopper 18 and contacts the feeding screw 11. The motor 16 drives the feeding screw 11 to rotate inside the conveying chamber 10, driving the concrete to move forward, and is introduced into the discharge port 15 and then extruded. When the motor 16 stops, the output of the concrete is stopped. The discharge port 15 can be connected to an extension pipeline to achieve long-distance transportation of concrete.

[0037] After the equipment is used, in order to prevent the concrete from solidifying inside, the inside of the conveying chamber 10 needs to be cleaned. First, unscrew the fixing bolts 19 outside the conveying chamber 10, open the arc cover 17, and unscrew the bolts on the fixing seats 14 on both sides of the inner wall of the conveying chamber 10 to remove the feeding screw 11, and clean the inside of the conveying chamber 10 and the feeding screw 11.

[0038] Among them, in the above technical solution, the conveying cavity 10 and the arc-shaped cover plate 17 are movably hinged through a hinge, and the conveying cavity 10 and the arc-shaped cover plate 17 are matched and snap-fitted.

[0039] Furthermore, in the above technical solution, a snap-fit ​​groove is provided at the contact end between the delivery cavity 10 and the arc-shaped cover plate 17, and a sealing protrusion is provided at the position of the arc-shaped cover plate 17 corresponding to the snap-fit ​​groove, and the size of the sealing protrusion is adapted to the snap-fit ​​groove.

[0040] Furthermore, in the above technical solution, a threaded hole is provided at a position of the clamping groove corresponding to the sealing protrusion, and a fixing bolt 19 is provided inside the threaded hole.

[0041] Furthermore, in the above technical solution, the cross section of the mounting block 12 is a rounded rectangular structure, and a slideway adapted to the mounting block 12 is provided on the fixing seat 14 .

[0042] Furthermore, in the above technical solution, threaded holes are also provided at corresponding positions on both sides of the fixing seat 14 and the mounting block 12, and bolts are provided inside the threaded holes.

[0043] Furthermore, in the above technical solution, the coupling seat 13 is fixedly connected to both sides of the conveying cavity 10 , and a bearing seat 20 is arranged inside the coupling seat 13 , and a bearing 21 is rotatably clamped on the bearing seat 20 .

[0044] Furthermore, in the above technical solution, the inner ring of the bearing 21 is fixedly connected to the fixing seat 14 via a connecting rod, and the bearing 21 is used to drive the fixing seat 14 to rotate along the inner wall of the conveying chamber 10 .

[0045] Among them, on the side close to the motor 16, the output shaft of the motor 16 is fixedly connected to the fixed seat 14 through the inner ring of the bearing 21 and the connecting rod, and the feeding screw 11 connected to the fixed seat 14 is driven to rotate by the motor 16.

[0046] Furthermore, in the above technical solution, a sealing rubber ring 22 is provided at one end of the bearing seat 20 close to the fixed seat 14, the sealing rubber ring 22 is fixedly connected to the end of the bearing seat 20, and a through hole adapted to the connecting rod is opened in the center of the sealing rubber ring 22.

[0047] Furthermore, in the above technical solution, a sealing protrusion is provided on the inner wall of the through hole of the sealing rubber ring 22, and the sealing protrusion is in contact with the connecting rod.

[0048] When in use, the concrete is filled into the feed hopper 18 at the top of the conveying chamber 10 by a concrete feeder or manual filling. The concrete enters the conveying chamber 10 through the feed hopper 18 and contacts the feeding screw 11. The motor 16 drives the feeding screw 11 to rotate inside the conveying chamber 10, driving the concrete to move forward, and then is introduced into the discharge port 15 and extruded. When the motor 16 stops, the output of the concrete is cut off. The discharge port 15 can be connected to an external extension pipeline to achieve long-distance transportation of concrete. After the equipment is used, in order to prevent the concrete from solidifying inside, it is necessary to clean the inside of the conveying chamber 10. First, unscrew the fixing bolts 19 outside the conveying chamber 10, open the arc cover 17, unscrew the bolts on the fixing seats 14 on both sides of the inner wall of the conveying chamber 10, and then remove the feeding screw 11. Clean the inside of the conveying chamber 10 and the feeding screw 11.

Claims

1. A concrete delivery cut-off device, characterized in that: The invention comprises a conveying chamber (10), wherein a feeding screw (11) is rotatably arranged inside the conveying chamber (10), and both ends of the feeding screw (11) are fixedly connected to mounting blocks (12), and both ends of the conveying chamber (10) are provided with coupling seats (13), and a fixing seat (14) adapted to the mounting block (12) is rotatably arranged on the coupling seat (13), and a discharge port (15) is provided at the bottom of the coupling seat (13) near one side of the conveying chamber (10), and a motor (16) is provided outside the coupling seat (13) near the other side of the conveying chamber (10), and the output end of the motor (16) is fixedly connected to one end of the fixing seat (14), and an arc-shaped cover plate (17) is provided at the top of the conveying chamber (10), and a feeding hopper (18) is provided on the arc-shaped cover plate (17), and a supporting frame is provided at the bottom of the conveying chamber (10).

2. A concrete delivery cut-off device according to claim 1, characterized in that: The conveying chamber (10) and the arc-shaped cover plate (17) are movably hinged via a hinge, and the conveying chamber (10) and the arc-shaped cover plate (17) are engaged and clamped.

3. A concrete delivery cut-off device according to claim 2, characterized in that: The contact end between the conveying cavity (10) and the arc-shaped cover plate (17) is provided with a clamping groove, and the arc-shaped cover plate (17) is provided with a sealing protrusion at a position corresponding to the clamping groove, and the size of the sealing protrusion is adapted to the clamping groove.

4. A concrete delivery cut-off device according to claim 3, characterized in that: A threaded hole is provided at a position of the clamping groove corresponding to the sealing protrusion, and a fixing bolt (19) is arranged inside the threaded hole.

5. A concrete delivery cut-off device according to claim 4, characterized in that: The cross section of the mounting block (12) is a rounded rectangular structure, and the fixing seat (14) is provided with a slideway adapted to the mounting block (12).

6. A concrete delivery cut-off device according to claim 5, characterized in that: Threaded holes are provided at corresponding positions on both sides of the fixing seat (14) and the mounting block (12), and bolts are provided inside the threaded holes.

7. A concrete delivery cut-off device according to claim 6, characterized in that: The coupling seat (13) is fixedly connected to two sides of the conveying cavity (10), a bearing seat (20) is arranged inside the coupling seat (13), and a bearing (21) is rotatably clamped on the bearing seat (20).

8. A concrete delivery cut-off device according to claim 7, characterized in that: The inner ring of the bearing (21) is fixedly connected to the fixing seat (14) via a connecting rod, and the bearing (21) is used to drive the fixing seat (14) to rotate along the inner wall of the conveying chamber (10).

9. A concrete delivery cut-off device according to claim 8, characterized in that: A sealing rubber ring (22) is provided at one end of the bearing seat (20) close to the fixing seat (14), the sealing rubber ring (22) is fixedly connected to the end of the bearing seat (20), and a through hole adapted to the connecting rod is opened at the center of the sealing rubber ring (22).

10. A concrete delivery cut-off device according to claim 9, characterized in that: The inner wall of the through hole of the sealing rubber ring (22) is provided with a sealing protrusion, and the sealing protrusion is in contact with the connecting rod.

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