Switch connector of concrete spreader

Abstract

The utility model belongs to the technical field of engineering building construction, and discloses a switch connector of a concrete spreader, which comprises a switch connector device, the top of the switch connector device is connected with a connector, the connector is internally provided with a threaded groove, the exterior of the connector is provided with two symmetrical mounting seats, and the interiors of the two mounting seats are connected with screw rods; a moving seat is connected to the exterior of the lead screw, two symmetrical connecting frames are installed on one side of the moving seat, and a clamping plate is jointly installed at one ends of the two connecting frames; the hose end is connected to the interior of the connector through the threaded groove, then the positioning rod is separated from the interior of the positioning groove, a user operates the two rotating handles respectively till anti-skid particles arranged on the outer sides of the two clamping plates are attached to and clamped with the outer side of the hose end, and then the hose end can be fixed to the interior of the connector. The structure can prevent the hose end head from loosening when being connected with the thread groove, and the connection tightness of the hose end head and the thread groove is improved.

Description

Technical Field

[0001] The present application relates to the technical field of engineering construction, and more specifically, to a switch joint of a concrete placing boom. Background Art

[0002] Concrete placing booms are often used in the construction of modern high-rise and super-high-rise reinforced concrete components. Their function is to deliver the concrete pumped by the pump through a pipe to the formwork of the component to be cast, which can easily realize the concrete pouring of various construction operations such as walls, pipes, columns, and piles. During construction, when a concrete placing boom is used to cast vertical structural concrete, after pouring one point is completed, the placing boom will move to the next point. During the transfer process, the remaining concrete in the placing boom's conveying pipe is easy to spill, wasting concrete materials, generating construction waste, and even polluting the finished steel bars, which is not conducive to safe and civilized construction on site.

[0003] The search publication number: CN204456900U discloses a switch joint of a concrete placing boom, comprising a steel tube, a notch is arranged on the tube wall of the steel tube, and a movable switch baffle for cutting off or connecting the steel tube channel is inserted into the notch; a handle is arranged at one end of the movable switch baffle, and a connecting plate is arranged at the other end, and the connecting plate is hingedly connected to the ear plate on the tube wall of the steel tube through a pin; the switch joint of the concrete placing boom of the utility model can quickly cut off or connect the steel tube channel through the rotation of the switch baffle, effectively prevent the residual concrete in the conveying pipeline of the placing boom from spilling, save concrete materials, ensure the cleanliness of the construction site, and prevent the spilled concrete from contaminating the finished steel bars.

[0004] In the above patent, the switch connector device may become loose when connected to the hose end of the fabric machine, which may cause the switch connector device to fall off from the hose end of the fabric machine, resulting in material spillage.

[0005] In order to solve the above problems, the present application provides a switch joint for a concrete placing boom. Utility Model Content

[0006] The switch joint of a concrete placing boom provided in the present application adopts the following technical solution:

[0007] A switch joint of a concrete placing boom comprises a switch joint device, wherein a connecting head is connected to the top of the switch joint device, a threaded groove is arranged inside the connecting head, two symmetrical mounting seats are installed outside the connecting head, screw rods are connected inside the two mounting seats, a rotating handle is installed at one end of the screw rod, a moving seat is connected outside the screw rod, connecting plates are installed on both sides of the outside of the moving seat, connecting grooves are opened on both sides of the inside of the mounting seat, two symmetrical connecting frames are installed on one side of the moving seat, a clamping plate is installed jointly at one end of the two connecting frames, a plurality of groups of equidistant anti-slip particles are arranged on the inner wall of the clamping plate, a mounting plate is installed outside the mounting seat, a positioning rod is connected inside the mounting plate, a pull plate is installed at one end of the positioning rod, a spring is installed on the outside of the mounting plate, and a plurality of groups of equidistant positioning grooves are opened on one side of the outer side of the mounting seat.

[0008] Through the above technical solution, the turning handle and the mounting plate are an integrated structure, one end of the connecting frame penetrates and extends to the inside of the connecting head, and the anti-slip particles are made of rubber.

[0009] Furthermore, the connection between the screw rod and the mounting seat is movably connected via a bearing, and the movable seat is slidably connected inside the mounting seat.

[0010] Furthermore, the connecting plate is located inside the connecting groove and is a sliding connection structure.

[0011] Through the above technical solution, the movable seat is located inside the mounting seat and performs linear motion by arranging the connecting plate and the connecting groove.

[0012] Furthermore, the spring is located outside the positioning rod, and one end of the spring is connected to the pull plate.

[0013] Furthermore, a through hole is provided inside the mounting plate at a position corresponding to the positioning rod, and the positioning rod is matched with the positioning groove.

[0014] Through the above technical solution, when the positioning rod is located inside the positioning groove, the rotating handle can be fixed to prevent the rotating handle from rotating on its own.

[0015] Furthermore, two symmetrical first ear plates are installed on the outside of the connector, and two symmetrical second ear plates are installed on the outside of the switch connector device.

[0016] Furthermore, the first ear plate is located on the top of the second ear plate, the first ear plate and the second ear plate are connected internally with bolts, and nuts are connected externally with the bolts.

[0017] By means of the above technical solution, when the first ear plate and the second ear plate are connected by bolts, the switch connector device and the connector can be connected.

[0018] In summary, this application includes the following beneficial technical effects:

[0019] When connecting the switch connector device to the hose end, the hose end is connected to the inside of the connector through the threaded groove, and then the two clamping plates are operated separately. The user first holds a pull plate and pulls it outward until the positioning rod is disengaged from the inside of the positioning groove. The user rotates the handle until the anti-skid particles provided on one side of the clamping plate fit with the outside of the hose end. The user releases the pull plate and places the positioning rod in a suitable positioning groove. Then, the other clamping plate is operated in the same way. When the anti-skid particles provided on the outside of the two clamping plates fit with the outside of the hose end and are clamped, the hose end can be fixed to the inside of the connector. This structure can prevent the hose end from loosening when connected to the threaded groove, and increase the tightness of the connection between the hose end and the threaded groove. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the overall structure of this application;

[0021] Figure 2 A semi-exploded diagram of the structure of this application;

[0022] Figure 3 For this application Figure 2 Enlarged view of point A in the middle;

[0023] Figure 4 This is the internal diagram of the structure of this application;

[0024] Figure 5 For this application Figure 4 Enlarged view of point B in the middle.

[0025] Description of the numbers in the figure:

[0026] 1. Switch connector device; 2. Connector; 3. Threaded groove; 4. Mounting seat; 5. Screw rod; 6. Turn handle; 7. Moving seat; 8. Connecting plate; 9. Connecting groove; 10. Connecting frame; 11. Clamping plate; 12. Anti-skid particles; 13. Mounting plate; 14. Positioning rod; 15. Pull plate; 16. Spring; 17. Positioning groove; 18. First ear plate; 19. Second ear plate; 20. Bolt; 21. Nut. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application; obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments, and all other embodiments obtained by ordinary technicians in this field based on the embodiments in the present application without making creative work are within the scope of protection of the present application.

[0028] In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present application. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0029] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "set / connected", "connected", etc. should be understood in a broad sense. For example, "connected" 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 this application can be understood according to specific circumstances.

[0030] Example:

[0031] The present application embodiment discloses a switch connector for a concrete placing boom, see Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5, including a switch connector device 1, a connector 2 is connected to the top of the switch connector device 1, a threaded groove 3 is arranged inside the connector 2, two symmetrical mounting seats 4 are installed outside the connector 2, screw rods 5 are connected inside the two mounting seats 4, the connection between the screw rods 5 and the mounting seats 4 is movably connected through a bearing, a handle 6 is installed at one end of the screw rod 5, a movable seat 7 is connected to the outside of the screw rod 5, the movable seat 7 is slidably connected to the inside of the mounting seat 4, connecting plates 8 are installed on both sides of the outside of the movable seat 7, connecting grooves 9 are opened on both sides of the inside of the mounting seat 4, the connecting plate 8 is located inside the connecting groove 9 and is a sliding connection structure, two symmetrical connecting frames 10 are installed on one side of the movable seat 7, a clamping plate 11 is installed at one end of the two connecting frames 10, and a plurality of groups of anti-slip particles 1 with equal distances are arranged on the inner wall of the clamping plate 11 2. A mounting plate 13 is mounted on the outside of the mounting seat 4, a positioning rod 14 is connected to the inside of the mounting plate 13, a through hole is provided inside the mounting plate 13 and at a position corresponding to the positioning rod 14, a pull plate 15 is installed at one end of the positioning rod 14, a spring 16 is mounted on the outside of the mounting plate 13, the spring 16 is located outside the positioning rod 14, and one end of the spring 16 is connected to the pull plate 15, a plurality of groups of equidistant positioning grooves 17 are provided on one side of the outside of the mounting seat 4, the positioning rod 14 is matched with the positioning groove 17, two symmetrical first ear plates 18 are mounted on the outside of the connector 2, two symmetrical second ear plates 19 are mounted on the outside of the switch connector device 1, the first ear plate 18 is located on the top of the second ear plate 19, the first ear plate 18 and the second ear plate 19 are connected to the inside of the bolt 20, and the outside of the bolt 20 is connected to the nut 21;

[0032] One end of the two connecting frames 10 passes through and extends to the interior of the connecting head 2, the clamping plate 11 is located inside the connecting head 2, and several groups of anti-skid particles 12 are made of rubber material, which play an anti-skid role and better clamp and fix the hose end; through the setting of the connecting plate 8 and the connecting groove 9, the movable seat 7 is located inside the mounting seat 4 and moves linearly; when the positioning rod 14 is located inside the positioning groove 17, the rotating handle 6 can be fixed to prevent the rotating handle 6 from rotating.

[0033] The implementation principle of this embodiment is as follows: the switch connector device 1 is an existing structure in the publication number CN204456900U, which includes: a steel tube, a heavy brake wheel, a movable switch baffle, a handle, a connecting plate, a clamping plate, a baffle, a pin hole, an ear plate, a pin, a reinforced docking ring, a groove, a baffle ring, and a clamping hole; the specific implementation method is not described in detail here;

[0034] When connecting the switch connector device 1 to the hose end, the hose end is connected to the inside of the connector 2 through the threaded groove 3, and then the two clamping plates 11 are operated respectively. The user first holds the position of a pull plate 15 to drive the positioning rod 14 to pull outward, and the spring 16 is in an extended state until the positioning rod 14 is out of the positioning groove 17. The user rotates the turning handle 6, and the turning handle 6 drives the screw rod 5 to rotate inside the mounting seat 4. At this time, the moving seat 7 is located inside the mounting seat 4 and performs linear motion. The moving seat 7 drives the clamping plate 11 to move through the connecting frame 10 until the anti-skid particles 12 set on one side of the clamping plate 11 fit with the outer side of the hose end. The user releases the pull plate 15. At this time, the pull plate 15 and the positioning rod 14 are reset by the setting of the spring 16, and the positioning rod 14 is located in a suitable positioning groove 17. Then the other clamping plate 11 is operated in the same way. When the anti-skid particles 12 set on the outer sides of the two clamping plates 11 fit and clamp the outer side of the hose end, the hose end can be fixed inside the connector 2.

[0035] The connector 2 can be disassembled and assembled. The user only needs to hold one end of the bolt 20, rotate the nut 21 first and remove it, and then rotate the bolt 20 to separate the bolt 20 from the inside of the first ear plate 18 and the second ear plate 19 respectively. When the two bolts 20 are removed from the two first ear plates 18 and the second ear plates 19, the connector 2 can be disassembled from the top of the switch connector device 1; when the connector 2 is subsequently connected to the switch connector device 1, the user connects the bolt 20 to the inside of the second ear plate 19 and the first ear plate 18 respectively, and then connects the nut 21 to the outside of the bolt 20. At this time, the connector 2 can be successfully connected to the switch connector device 1.

[0036] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A switch joint for a concrete placing boom, comprising a switch joint device (1), characterized in that: The top of the switch connector device (1) is connected to a connector (2), the interior of the connector (2) is provided with a threaded groove (3), the exterior of the connector (2) is provided with two symmetrical mounting seats (4), the interiors of the two mounting seats (4) are both connected to a screw rod (5), one end of the screw rod (5) is provided with a rotating handle (6), the exterior of the screw rod (5) is connected to a movable seat (7), both sides of the exterior of the movable seat (7) are provided with connecting plates (8), both sides of the interior of the mounting seat (4) are provided with connecting grooves (9), one side of the movable seat (7) is provided with a rotating handle (6), and the movable seat (7) is provided with a rotating handle (6). Two symmetrical connecting frames (10) are installed, and a clamping plate (11) is installed at one end of the two connecting frames (10). The inner wall of the clamping plate (11) is provided with a plurality of groups of equidistant anti-skid particles (12). A mounting plate (13) is installed outside the mounting seat (4). A positioning rod (14) is connected inside the mounting plate (13). A pull plate (15) is installed at one end of the positioning rod (14). A spring (16) is installed outside the mounting plate (13). A plurality of groups of equidistant positioning grooves (17) are opened on one side of the outside of the mounting seat (4).

2. The switch joint of a concrete placing boom according to claim 1, characterized in that: The connection between the screw rod (5) and the mounting seat (4) is movably connected via a bearing, and the movable seat (7) is slidably connected inside the mounting seat (4).

3. The switch joint of a concrete placing boom according to claim 1, characterized in that: The connecting plate (8) is located inside the connecting groove (9) and is a sliding connection structure.

4. The switch joint of a concrete placing boom according to claim 1, characterized in that: The spring (16) is located outside the positioning rod (14), and one end of the spring (16) is connected to the pulling plate (15).

5. The switch joint of a concrete placing boom according to claim 1, characterized in that: A through hole is provided inside the mounting plate (13) at a position corresponding to the positioning rod (14), and the positioning rod (14) is matched with the positioning groove (17).

6. The switch joint of a concrete placing boom according to claim 1, characterized in that: Two symmetrical first ear plates (18) are installed on the outside of the connecting head (2), and two symmetrical second ear plates (19) are installed on the outside of the switch connector device (1).

7. The switch joint of a concrete placing boom according to claim 6, characterized in that: The first ear plate (18) is located on the top of the second ear plate (19); the first ear plate (18) and the second ear plate (19) are internally connected with a bolt (20); and the bolt (20) is externally connected with a nut (21).

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