Concrete pump opening anti-pollution cover plate

Abstract

The utility model relates to an anti-pollution cover plate for a concrete pump opening. The concrete pump opening anti-pollution cover plate comprises a left sealing plate, a right sealing plate, a top plate and a pull rod assembly. The top plate is provided with a guide rail allowing the left sealing plate and the right sealing plate to move left and right, a top plate discharging opening and a plurality of first hinged shafts. The pull rod assembly comprises a first pull rod, a second pull rod and a third pull rod. The first pull rod is hinged to the top plate through a first hinge shaft, the first pull rod is hinged to the left sealing plate through a second hinge shaft, and the first pull rod is of an L-shaped structure. The second pull rod is hinged to the top plate through a first hinge shaft and hinged to the left sealing plate through a third hinge shaft. The third pull rod is hinged to the top plate through a first hinge shaft, the third pull rod is hinged to the right sealing plate through a fourth hinge shaft, the second pull rod and the third pull rod are provided with meshing teeth matched with each other, the first pull rod is pulled, the left sealing plate and the right sealing plate move left and right through matching of tooth grooves and teeth of the second pull rod and the third pull rod, and opening and closing of the discharging opening are achieved; and residual materials on the cover plate can be cleaned during opening and closing.

Description

Technical Field

[0001] The utility model belongs to the technical field of building construction auxiliary tools, and in particular relates to a concrete pump port anti-pollution cover plate. Background Art

[0002] During the concrete pouring process at the construction site, since the conventional construction procedure is to pour the wall columns first and then the beams and slabs, when the pipe needs to be moved to the next wall column after the pouring of one wall column, the concrete sprayed from the pipe will inevitably be thrown onto the surface during the moving process. After the concrete pouring is completed and the mold is removed, obvious color difference pollution can be found on the bottom of the slab. When pouring concrete, the splashed concrete splashes onto the worker's face, causing damage to the worker's face.

[0003] The utility model with authorization announcement number CN219754044U discloses a concrete pump discharge port controller, including two semi-annular clamping blocks, one side of the two semi-annular clamping blocks is rotatably connected by a pin shaft, and the other side is detachably connected by a fastening assembly; a cover plate, one side of the cover plate is flipped and connected to one of the semi-annular clamping blocks by a hinge; a handle, the handle is fixed to the cover plate, and the outer end of the handle extends laterally to the outside of the cover plate; a locking assembly, the locking assembly is arranged on the other semi-annular clamping block, and the locking assembly is used to limit and release the handle. After the concrete pump discharge port controller is used, the residual material remaining on the cover plate is not easy to remove, making the cover plate difficult to close, affecting the construction efficiency and causing damage to the worker's face. Utility Model Content

[0004] The utility model aims to provide a concrete pump port anti-pollution cover plate to solve the technical problem that the residual material on the cover plate is difficult to remove, the cover plate is difficult to close, the construction efficiency is affected, and the workers' faces are hurt.

[0005] In order to achieve the above objectives, the technical solution adopted by the utility model is:

[0006] A concrete pump port anti-pollution cover plate, comprising a left sealing plate and a right sealing plate, a top plate and a tie rod assembly, wherein the top plate is provided with a guide rail for the left and right movement of the left and right sealing plates, a top plate feed port and a plurality of hinge shafts 1; the right sealing plate is provided with hinge shafts 2 and 3, the left sealing plate is provided with hinge shafts 4 and 5, the tie rod assembly comprises tie rod 1, tie rod 2 and tie rod 3; the tie rod 1 is hinged to the top plate through hinge shaft 1, and the tie rod 1 is hinged to the top plate through hinge shaft 2 The left sealing plate is hinged, and the pull rod 1 is an L-shaped structure; the pull rod 2 is hinged to the top plate through the hinge shaft 1, and the pull rod 2 is hinged to the left sealing plate through the hinge shaft 3; the pull rod 3 is hinged to the top plate through the hinge shaft 1, and the pull rod 3 is hinged to the right sealing plate through the hinge shaft 4. The pull rod 2 and the pull rod 3 are provided with mutually matching meshing teeth. By pulling the pull rod 1, the left sealing plate and the right sealing plate are moved left and right through the matching of the tooth grooves and teeth of the pull rod 2 and the pull rod 3, thereby realizing the opening and closing of the discharge port.

[0007] Furthermore, it also includes a bottom plate, on which is provided a bottom plate discharge port cooperating with the top plate discharge port, a hose is provided around the bottom plate discharge port to prevent concrete from splashing, and a switch hole is left between the top plate and the bottom plate to allow the pull rod to rotate back and forth.

[0008] Furthermore, the top plate feed opening is a through hole, which is arranged in the middle position of the top plate. The guide rails are arranged at the upper and lower parts of the top plate feed opening, so that the left sealing plate and the right sealing plate can move left and right in the guide rails. The hinge shaft is arranged below the guide rails, and a joint connected to the pump port is arranged on the top plate.

[0009] Furthermore, a pull rod four is provided on the right sealing plate, the upper end of the pull rod four is hinged to the right sealing plate through a hinge shaft five, and the pull rod four is hinged to the top plate through a hinge shaft one to support the right sealing plate.

[0010] Furthermore, the upper end of the pull rod 1 is hinged to the hinge shaft 2, and the lower end of the pull rod 1 is hinged to the hinge shaft 1. The pull rod 1 is L-shaped, and the hinge shaft 1 is arranged at the top angle position of the L-shaped pull rod 1.

[0011] Furthermore, the pull rod 2 and the pull rod 3 are both L-shaped, the upper end of the pull rod 2 is hinged to the hinge shaft 3, the lower end of the pull rod 2 is hinged to the hinge shaft 1, the upper end of the pull rod 3 is hinged to the hinge shaft 4, and the lower end of the pull rod 3 is hinged to the hinge shaft 1, and the meshing teeth are arranged at the ends of the L-shaped pull rods 2 and 3. When the pull rod 1 is pulled, the pull rod 2 and the left sealing plate move, the pull rod 2 drives the pull rod 3 to move through the meshing teeth, and the pull rod 3 drives the right sealing plate to move.

[0012] Furthermore, the hose is arranged below the bottom plate, and the upper end of the hose is connected to the lower plane of the bottom plate.

[0013] Beneficial effects of the utility model:

[0014] The utility model discloses a concrete pump port pollution-proof cover plate, when pulling rod one, the left sealing plate and the right sealing plate can be moved left and right through the cooperation of the tooth grooves and teeth of pulling rod two and pulling rod three, and the residual material remaining on the cover plate can be cleaned while the discharge port is opened and closed. The hose arranged under the bottom plate is in contact with the ground, so as to prevent splashing concrete from splashing onto the face of the worker and causing damage to the worker's face. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic structural diagram of the concrete pump port anti-pollution cover in the open state in Example 1;

[0016] Figure 2 This is a schematic structural diagram of the closed state of the anti-pollution cover plate of the concrete pump port in Example 1;

[0017] Figure 3 This is a schematic diagram of the overall structure of the anti-pollution cover plate for the concrete pump port in Example 1;

[0018] Figure 4 This is a schematic diagram of the overall structure of the anti-pollution cover plate for the concrete pump port in Example 1.

[0019] In the figure: 1. left sealing plate; 2. right sealing plate; 3. top plate; 4. guide rail; 5. top plate feed opening; 6. hinge axis 1; 7. hinge axis 2; 8. hinge axis 3; 9. hinge axis 4; 10. hinge axis 5; 11. pull rod 1; 12. pull rod 2; 13. pull rod 3; 14. tooth groove; 15. tooth; 16. joint; 17. pull rod 4; 18. bottom plate; 19. bottom plate feed opening; 20. hose; 21. switch hole. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0021] The implementation example of the concrete pump port anti-pollution cover plate in the utility model is as follows: Figure 1-4 shown.

[0022] Example 1

[0023] The anti-pollution cover plate of the concrete pump port of this embodiment includes a left sealing plate 1 and a right sealing plate, a top plate 3 and a tie rod assembly, wherein the top plate 3 is provided with a guide rail 4 for the left and right movement of the left and right sealing plates 1 and 2, a top plate discharge port 5 and a plurality of hinge shafts 1 6; the right sealing plate 2 is provided with a hinge shaft 2 7 and a hinge shaft 3 8, the left sealing plate 1 is provided with a hinge shaft 4 9 and a hinge shaft 5 10, and the tie rod assembly includes a tie rod 1 11, a tie rod 2 12 and a tie rod 3 13; the tie rod 1 11 is hinged to the top plate 3 through a hinge shaft 1 6, and the tie rod 1 11 is hinged to the left sealing plate 3 through a hinge shaft 2 7 The closing plate 1 is hinged, and the pull rod 11 is an L-shaped structure; the pull rod 2 12 is hinged to the top plate 3 through the hinge shaft 1 6, and the pull rod 2 12 is hinged to the left closing plate 1 through the hinge shaft 3 8; the pull rod 3 13 is hinged to the top plate 3 through the hinge shaft 1 6, and the pull rod 3 13 is hinged to the right closing plate 2 through the hinge shaft 4 9. The pull rod 2 12 and the pull rod 3 13 are provided with mutually matching meshing teeth. By pulling the pull rod 11, the left closing plate 1 and the right closing plate 2 are moved left and right through the matching of the tooth grooves 14 and the teeth 15 of the pull rod 2 12 and the pull rod 3 13, thereby realizing the opening and closing of the discharge port.

[0024] The top plate discharge port 5 is a through hole, which is arranged in the middle position of the top plate 3. The guide rail 4 is arranged at the upper and lower parts of the top plate discharge port 5, so that the left sealing plate 1 and the right sealing plate 2 can move left and right in the guide rail 4. The hinge shaft 6 is arranged below the guide rail 4, and a joint 16 connected to the pump port is arranged on the top plate 3.

[0025] The right sealing plate 2 is provided with a pull rod 4 17, the upper end of the pull rod 4 17 is hinged to the right sealing plate 2 through a hinge shaft 5 10, and the pull rod 4 17 is hinged to the top plate 3 through a hinge shaft 1 6 to support the right sealing plate 2.

[0026] The upper end of the pull rod 11 is hinged to the hinge shaft 2 7 , and the lower end of the pull rod 11 is hinged to the hinge shaft 1 6 . The pull rod 11 is L-shaped, and the hinge shaft 6 is arranged at the top angle position of the L-shaped pull rod 11 .

[0027] The pull rod 2 12 and the pull rod 3 13 are both L-shaped, the upper end of the pull rod 2 12 is hinged to the hinge shaft 3 8, the lower end of the pull rod 2 12 is hinged to the hinge shaft 1 6, the upper end of the pull rod 3 13 is hinged to the hinge shaft 4 9, the lower end of the pull rod 3 13 is hinged to the hinge shaft 1 6, the meshing teeth are arranged at the ends of the L-shaped pull rod 2 12 and the pull rod 3 13, when the pull rod 1 11 is pulled, the pull rod 2 12 and the left sealing plate 1 move, the pull rod 2 12 drives the pull rod 3 13 to move through the meshing teeth, and the pull rod 3 13 drives the right sealing plate to move.

[0028] It also includes a bottom plate 18, on which a bottom plate discharge port 19 is provided to cooperate with the top plate discharge port 5, and a hose 20 is provided around the bottom plate discharge port 19 to prevent concrete from splashing. A switch hole 21 is left between the top plate 3 and the bottom plate 18 to allow the pull rod 11 to rotate back and forth. The hose 20 is arranged under the bottom plate 18, and the upper end of the hose 20 is connected to the lower plane of the bottom plate 18.

[0029] Finally, it should be noted that in the description of the present invention, it should be noted that the terms "vertical", "up", "down", "horizontal", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on the present invention.

[0030] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

Claims

1. A concrete pump port anti-pollution cover plate, characterized by: It includes a left sealing plate and a right sealing plate, a top plate and a tie rod assembly, wherein the top plate is provided with a guide rail for the left and right movement of the left and right sealing plates, a top plate unloading port and a plurality of hinge shafts 1; the right sealing plate is provided with hinge shafts 2 and 3, the left sealing plate is provided with hinge shafts 4 and 5, and the tie rod assembly includes tie rod 1, tie rod 2 and tie rod 3; the tie rod 1 is hinged to the top plate through hinge shaft 1, and the tie rod 1 is hinged to the left sealing plate through hinge shaft 2. The pull rod 1 is an L-shaped structure; the pull rod 2 is hinged to the top plate through the hinge shaft 1, and the pull rod 2 is hinged to the left sealing plate through the hinge shaft 3; the pull rod 3 is hinged to the top plate through the hinge shaft 1, and the pull rod 3 is hinged to the right sealing plate through the hinge shaft 4. The pull rod 2 and the pull rod 3 are provided with mutually matching meshing teeth. By pulling the pull rod 1, the left sealing plate and the right sealing plate are moved left and right through the matching of the tooth grooves and teeth of the pull rod 2 and the pull rod 3, thereby realizing the opening and closing of the discharge port.

2. The anti-pollution cover plate for concrete pump port according to claim 1, characterized in that: It also includes a bottom plate, which is provided with a bottom plate discharge port that matches with the top plate discharge port. A hose is arranged around the bottom plate discharge port to prevent concrete from splashing. A switch hole is left between the top plate and the bottom plate to allow the pull rod to rotate back and forth.

3. The anti-pollution cover plate for concrete pump port according to claim 1, characterized in that: The top plate feed opening is a through hole, which is arranged in the middle position of the top plate. The guide rails are arranged at the upper and lower parts of the top plate feed opening, so that the left sealing plate and the right sealing plate can move left and right in the guide rails. The hinge shaft is arranged below the guide rails, and a joint connected to the pump port is arranged on the top plate.

4. The anti-pollution cover plate for concrete pump port according to claim 1, characterized in that: The right sealing plate is provided with a pull rod four, the upper end of which is hinged to the right sealing plate through a hinge shaft five, and the pull rod four is hinged to the top plate through a hinge shaft one to support the right sealing plate.

5. The anti-pollution cover plate for concrete pump port according to claim 1, characterized in that: The upper end of the pull rod 1 is hinged to the hinge shaft 2, and the lower end of the pull rod 1 is hinged to the hinge shaft 1. The pull rod 1 is L-shaped, and the hinge shaft 1 is arranged at the top angle position of the L-shaped pull rod 1.

6. The anti-pollution cover plate for concrete pump port according to claim 1, characterized in that: The pull rod 2 and the pull rod 3 are both L-shaped, the upper end of the pull rod 2 is hinged to the hinge shaft 3, the lower end of the pull rod 2 is hinged to the hinge shaft 1, the upper end of the pull rod 3 is hinged to the hinge shaft 4, and the lower end of the pull rod 3 is hinged to the hinge shaft 1. The meshing teeth are arranged at the ends of the L-shaped pull rods 2 and 3. When the pull rod 1 is pulled, the pull rod 2 and the left sealing plate move, the pull rod 2 drives the pull rod 3 to move through the meshing teeth, and the pull rod 3 drives the right sealing plate to move.

7. The anti-pollution cover plate for concrete pump port according to claim 2, characterized in that: The hose is arranged below the bottom plate, and the upper end of the hose is connected to the lower plane of the bottom plate.

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