Concrete prefabricated cover plate protection frame positioning device

Abstract

The utility model discloses a concrete prefabricated cover plate protection frame positioning device which comprises two sets of main connecting rods and main telescopic rods, the main telescopic rods are installed at the two ends of the main connecting rods in a sliding mode, supporting frames are installed in the main telescopic rods, threaded rods are installed in the supporting frames, and the threaded rods are connected with the main connecting rods in a sliding mode. A handle is installed at the top end of each threaded rod, connecting arms are symmetrically installed on the side walls of the supporting frame, movable shafts are installed at the ends, close to the supporting frame, of the connecting arms, and the connecting arms are movably connected with the supporting frame through the movable shafts. According to the concrete prefabricated cover plate clamping device, a protection frame is clamped conveniently in a multi-position linkage mode for positioning, the protection frame is matched with concrete prefabricated cover plates of different sizes in a convenient linkage drawing mode, the protection frame is conveniently prevented from shifting in the concrete pouring process, and the production quality and the use flexibility of the concrete prefabricated cover plates are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of positioning devices, in particular to a positioning device for a concrete prefabricated cover plate protection frame. Background Art

[0002] Precast concrete cover refers to a product that is made by processing concrete raw materials into components of required size and shape in a precast plant and then splicing and installing them on site. Precast concrete cover has good consistency, strength and durability, and is suitable for covering facilities such as water wells, sewage pumping stations, inspection wells, cable wells, etc. in various infrastructure projects. During the production process of precast concrete cover, a protective frame needs to be buried inside it, and the protective frame cannot be shifted during the pouring process. Traditional precast cover protection frames need to be manually positioned and supported, which is inefficient and prone to human injury. In order to improve this situation, a positioning device for precast concrete cover protection frames is proposed.

[0003] As disclosed in the authorization announcement number CN105216108B, a device for positioning a reinforcement protection frame for a concrete prefabricated cover plate comprises a positioning frame which is arranged at the upper end of a prefabricated cover plate mold box when in use, the positioning frame having three ends and the three ends are respectively overlapped with the right angles of the prefabricated cover plate mold box, the three ends of the positioning frame are respectively provided with positioning mechanisms located on the inner side of the prefabricated cover plate mold box, the positioning mechanism comprises a rotating rod which is vertically rotated and arranged at the end of the positioning frame and extends to the bottom of the prefabricated cover plate mold box, the lower part of the rotating rod is provided with a horizontal cross bar for controlling the height of the reinforcement protection frame near the lower end, the lower end of the rotating rod is overlapped with the right angle inner side of the reinforcement protection frame when in use, and the cross bar at the lower part thereof is overlapped with the lower side of the reinforcement protection frame;

[0004] Although it has a simple structure, low cost, and is extremely convenient to manufacture and use, it does not solve the problem that the existing positioning device is not conducive to convenient multi-position linkage clamping of the protection frame for positioning and convenient linkage pulling to adapt to concrete precast cover plates of different sizes during use, and is not conducive to preventing the protection frame from shifting during the concrete pouring process, affecting the production quality of the concrete precast cover plate and the flexibility of use. Utility Model Content

[0005] The purpose of the utility model is to provide a positioning device for a protective frame of a precast concrete cover plate, so as to solve the problem that the positioning device proposed in the above background technology is not convenient for convenient multi-position linkage clamping of the protective frame for positioning and convenient linkage pulling to adapt to precast concrete covers of different sizes, which is not conducive to preventing the protective frame from shifting during the concrete pouring process, affecting the production quality of the precast concrete cover plate and the flexibility of use.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a positioning device for a concrete prefabricated cover plate protection frame, comprising a main connecting rod and a main telescopic rod, the main connecting rod is divided into two groups, both ends of the main connecting rod are slidably installed with the main telescopic rod, the interior of the main telescopic rod is installed with a supporting frame, the interior of the supporting frame is installed with a threaded rod, the top of the threaded rod is installed with a handle, the side wall of the supporting frame is symmetrically installed with connecting arms, the end of the connecting arm close to the supporting frame is installed with a movable shaft, and the connecting arm is movably connected to the supporting frame through the movable shaft, the surface of the threaded rod is covered with a threaded sleeve, and the threaded sleeve is threadedly connected to the threaded rod, the side wall of the threaded sleeve is symmetrically installed with clamping jaws, the side of the clamping jaw close to the threaded sleeve is installed with a linkage shaft, and the clamping jaw is movably connected to the threaded sleeve through the linkage shaft, the top of the clamping jaw is installed with a hinge shaft, and the clamping jaw is movably connected to the connecting arm through the hinge shaft, and the outside of the main connecting rod is provided with a walking track.

[0007] Preferably, a walking frame is provided below the walking track, two sets of auxiliary wheels are movably mounted on the inner wall of one side of the walking frame, and the auxiliary wheels are movably connected to the walking track.

[0008] Preferably, two groups of running wheels are movably mounted on the inner wall on the other side of the running frame, a servo motor is mounted on the outer wall of the running frame, and an output end of the servo motor is connected to a group of running wheels.

[0009] Preferably, a connecting plate is installed at the bottom end of the walking frame, and two groups of electric push rods are installed at the bottom end of the connecting plate.

[0010] Preferably, a connecting frame is provided below the electric push rod, and a push arm is installed at the output end of the electric push rod, and the push arm is connected to the connecting frame.

[0011] Preferably, a cross frame is installed at the bottom end of the connecting frame, a fourth telescopic rod is symmetrically slidably installed at one end of the cross frame, and the fourth telescopic rod is connected to the main connecting rod.

[0012] Preferably, a third telescopic rod is symmetrically slidably installed on the other end of the cross frame, and a secondary telescopic rod is installed on one end of the third telescopic rod away from the cross frame. Two sets of secondary connecting rods are slidably installed inside the secondary telescopic rod, and the secondary connecting rod is connected to the main telescopic rod.

[0013] Preferably, a secondary locking pin is installed on the surface of the secondary telescopic rod above the secondary connecting rod, and the secondary locking pin penetrates the secondary telescopic rod and extends to the surface of the secondary connecting rod, and a main locking pin is installed on the surface of the main telescopic rod above the main connecting rod, and the main locking pin penetrates the main telescopic rod and extends to the surface of the main connecting rod.

[0014] Compared with the prior art, the beneficial effects of the utility model are: the positioning device not only realizes convenient multi-position linkage clamping of the protection frame for positioning and convenient linkage pulling and adapting to concrete precast cover plates of different sizes, which facilitates preventing the protection frame from shifting during the concrete pouring process, but also improves the production quality of the concrete precast cover plates and the flexibility of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0016] Figure 2 This is a front view structural schematic diagram of the utility model;

[0017] Figure 3 It is a three-dimensional structural schematic diagram of the walking frame of the utility model;

[0018] Figure 4 It is a schematic diagram of the three-dimensional structure of the cross frame of the utility model;

[0019] Figure 5 It is a front view structural schematic diagram of the clamping jaw of the present utility model.

[0020] In the figure: 1. walking track; 2. walking frame; 3. cross frame; 4. main telescopic rod; 5. supporting frame; 6. servo motor; 7. connecting plate; 8. electric push rod; 9. push arm; 10. connecting frame; 11. auxiliary wheel; 12. main locking pin; 13. main connecting rod; 14. auxiliary connecting rod; 15. auxiliary locking pin; 16. auxiliary telescopic rod; 17. handle; 18. movable shaft; 19. threaded rod; 20. connecting arm; 21. hinge shaft; 22. linkage shaft; 23. clamping claw; 24. threaded sleeve; 25. third telescopic rod; 26. walking wheel; 27. fourth telescopic rod. DETAILED DESCRIPTION

[0021] In order to further explain the technical means and effects adopted by the present invention to achieve the predetermined purpose of the utility model, the specific implementation method, structure, characteristics and effects of the present invention are described in detail below in combination with the accompanying drawings and preferred embodiments.

[0022] See also Figure 1-5The utility model provides an embodiment: a concrete prefabricated cover plate protection frame positioning device, including a main connecting rod 13 and a main telescopic rod 4, the main connecting rod 13 is divided into two groups, both ends of the main connecting rod 13 are slidably mounted with the main telescopic rod 4, the inside of the main telescopic rod 4 is mounted with a support frame 5, the inside of the support frame 5 is mounted with a threaded rod 19, the top of the threaded rod 19 is mounted with a handle 17, the side wall of the support frame 5 is symmetrically mounted with a connecting arm 20, the end of the connecting arm 20 close to the support frame 5 is mounted with a movable shaft 18, and the connecting arm 20 is movably connected with the support frame 5 through the movable shaft 18, the surface of the threaded rod 19 is covered with a threaded sleeve 24, and the threaded sleeve 24 is threadedly connected with the threaded rod 19, the side wall of the threaded sleeve 24 is symmetrically installed with a clamping jaw 23, the side of the clamping jaw 23 close to the threaded sleeve 24 is installed with a linkage shaft 22, and the clamping jaw 23 is movably connected with the threaded sleeve 24 through the linkage shaft 22, the top of the clamping jaw 23 is installed with a hinge shaft 21, and the clamping jaw 23 is movably connected with the connecting arm 20 through the hinge shaft 21, and the outside of the main connecting rod 13 is provided with a walking track 1;

[0023] First, the device is installed on the concrete prefabricated cover production line, and then the device is connected to the external controller and the external circuit, and the four corners of the protection frame to be positioned are placed between the clamps 23 respectively, and the handle 17 is turned, and the handle 17 drives the threaded rod 19 to rotate. Under the threaded connection between the threaded rod 19 and the threaded sleeve 24, the threaded rod 19 drives the threaded sleeve 24 to move upward, and the threaded sleeve 24 drives the clamp 23 to rotate through the linkage shaft 22. Under the support of the support frame 5, the clamp 23 drives the connecting arm 20 to rotate around the movable shaft 18 through the hinge shaft 21, so that the two groups of clamps 23 are close to each other and clamp and fix the protection frame, wherein the connecting arm 20 provides limiting support for the threaded sleeve 24 and the clamp 23, and then the servo motor 6 is turned on through external control, and the servo motor 6 drives the walking wheel 26 to rotate. With the assistance of the auxiliary wheel 11, the walking wheel 26 drives the walking frame 2 to move on the walking track 1, and the walking frame 2 drives the connecting plate 7 moves, and the protection frame is driven by the connecting plate 7 to move. When it moves to the pouring production position, the electric push rod 8 is opened through external control, and the electric push rod 8 drives the push arm 9 to move downward, and the push arm 9 drives the connecting frame 10 to move downward, and the connecting frame 10 drives the cross frame 3, the main telescopic rod 4, the supporting frame 5, the clamping claw 23 and the protection frame to move downward, so that the protection frame moves into the pouring frame and completes the positioning, and then concrete is poured into the pouring frame. At the same time, under the fixing action of multiple groups of clamping claws 23, the protection frame can be prevented from shifting during the concrete pouring process. After the pouring is completed, the above operation is repeated in reverse, so that the cross frame 3 can be separated from the protection frame, and the overall equipment can be lifted and reset, and then the next protection frame can be placed and moved to the next pouring frame to continue pouring, which realizes the convenient multi-position linkage clamping protection frame for positioning, facilitates the prevention of the displacement of the protection frame during the concrete pouring process, and improves the quality of concrete prefabricated cover plate production;

[0024] A walking frame 2 is provided below the walking track 1, and two sets of auxiliary wheels 11 are movably mounted on the inner wall of one side of the walking frame 2, and the auxiliary wheels 11 are movably connected to the walking track 1;

[0025] Two sets of walking wheels 26 are movably mounted on the inner wall of the other side of the walking frame 2, a servo motor 6 is mounted on the outer wall of the walking frame 2, the servo motor 6 plays a role of power drive, and the output end of the servo motor 6 is connected to a set of walking wheels 26, a connecting plate 7 is mounted on the bottom end of the walking frame 2, and two sets of electric push rods 8 are mounted on the bottom end of the connecting plate 7, and the electric push rods 8 play a role of power drive;

[0026] A connecting frame 10 is provided below the electric push rod 8, and a push arm 9 is installed at the output end of the electric push rod 8, and the push arm 9 is connected to the connecting frame 10, and a cross frame 3 is installed at the bottom end of the connecting frame 10, and a fourth telescopic rod 27 is symmetrically slidably installed at one end of the cross frame 3, and the fourth telescopic rod 27 is connected to the main connecting rod 13;

[0027] The other end of the cross frame 3 is symmetrically slidably mounted with a third telescopic rod 25, and one end of the third telescopic rod 25 away from the cross frame 3 is mounted with a secondary telescopic rod 16, and two sets of secondary connecting rods 14 are slidably mounted inside the secondary telescopic rod 16, and the secondary connecting rod 14 is connected to the main telescopic rod 4;

[0028] A secondary locking pin 15 is installed on the surface of the secondary telescopic rod 16 above the secondary connecting rod 14, and the secondary locking pin 15 penetrates the secondary telescopic rod 16 and extends to the surface of the secondary connecting rod 14. A main locking pin 12 is installed on the surface of the main telescopic rod 4 above the main connecting rod 13, and the main locking pin 12 penetrates the main telescopic rod 4 and extends to the surface of the main connecting rod 13;

[0029] When it is necessary to adapt to concrete prefabricated cover plates of different sizes, first loosen the main locking pin 12 to separate the main telescopic rod 4 and the main connecting rod 13, pull the main telescopic rod 4, and the main telescopic rod 4 slides on the surface of the main connecting rod 13. After the main telescopic rod 4 is pulled to the corresponding position, re-tighten the main locking pin 12 to reconnect the main telescopic rod 4 and the main connecting rod 13, and then loosen the secondary locking pin 15 to separate the secondary connecting rod 14 and the secondary telescopic rod 16, pull the secondary connecting rod 14, and the secondary connecting rod 14 is in the secondary The telescopic rod 16 slides inside and after the secondary connecting rod 14 is pulled to the corresponding position, the secondary locking pin 15 is retightened to reconnect the secondary telescopic rod 16 and the secondary connecting rod 14. At the same time, the third telescopic rod 25 and the fourth telescopic rod 27 slide on the surface of the cross frame 3 respectively to assist the main telescopic rod 4 and the secondary connecting rod 14 to adjust to adapt to the production and use of concrete precast cover plates of different sizes, thereby realizing convenient linkage pulling and adapting to concrete precast cover plates of different sizes and improving the flexibility of use.

[0030] Working principle: First, install the device to the concrete prefabricated cover production line, then connect the device to the external controller and the external circuit, place the four corners of the protection frame to be positioned between the clamping jaws 23, turn the handle 17, the handle 17 drives the threaded rod 19 to rotate, the threaded rod 19 drives the threaded sleeve 24 to move upward, the threaded sleeve 24 drives the clamping jaw 23 to rotate through the linkage shaft 22, and under the support of the support frame 5, the clamping jaw 23 drives the connecting arm 20 to rotate around the movable shaft 18 through the hinge shaft 21, so that the two sets of clamping jaws 23 are close to each other and clamp the protection frame. The servo motor 6 drives the walking wheel 26 to rotate, the walking wheel 26 drives the walking frame 2 to move on the walking track 1, the walking frame 2 drives the connecting plate 7 to move, and the connecting plate 7 drives the protection frame to move. When it moves to the pouring production position, the electric push rod 8 drives the push arm 9 to move downward, the push arm 9 drives the connecting frame 10 to move downward, and the connecting frame 10 drives the cross frame 3, the main telescopic rod 4, the supporting frame 5, the clamping claw 23 and the protection frame to move downward, so that the protection frame moves into the pouring frame and completes the positioning, and then concrete is poured into the pouring frame. At the same time, multiple sets of clamping claws 23 Under the fixing effect, the protection frame can be prevented from shifting during the concrete pouring process. After the pouring is completed, the above operation is repeated in reverse to separate the cross frame 3 from the protection frame, and drive the overall equipment to lift and reset, and then place the next protection frame and move it to the next pouring frame to continue pouring. First, loosen the main locking pin 12 to separate the main telescopic rod 4 and the main connecting rod 13, pull the main telescopic rod 4, and the main telescopic rod 4 slides on the surface of the main connecting rod 13. After the main telescopic rod 4 is pulled to the corresponding position, re-tighten the main locking pin 12 to reconnect the main telescopic rod 4 and the main connecting rod 13. Then loosen the secondary locking pin 15 to separate the secondary connecting rod 14 and the secondary telescopic rod 16, pull the secondary connecting rod 14, and the secondary connecting rod 14 slides inside the secondary telescopic rod 16. After the secondary connecting rod 14 is pulled to the corresponding position, re-tighten the secondary locking pin 15 to reconnect the secondary telescopic rod 16 and the secondary connecting rod 14. At the same time, the third telescopic rod 25 and the fourth telescopic rod 27 slide on the surface of the cross frame 3 respectively to assist the main telescopic rod 4 and the secondary connecting rod 14 to adjust to adapt to the production and use of concrete precast cover plates of different sizes, so as to complete the use of the positioning device of the concrete precast cover plate protection frame.

[0031] The above description is only a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as a preferred embodiment as above, it is not intended to limit the present invention. Any technical personnel in this field can make some changes or modify the technical contents disclosed above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any brief modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A positioning device for a concrete prefabricated cover plate protection frame, comprising a main connecting rod (13) and a main telescopic rod (4), characterized in that: The main connecting rod (13) is divided into two groups. Both ends of the main connecting rod (13) are slidably mounted with a main telescopic rod (4). A support frame (5) is mounted inside the main telescopic rod (4). A threaded rod (19) is mounted inside the support frame (5). A handle (17) is mounted on the top of the threaded rod (19). Connecting arms (20) are symmetrically mounted on the side walls of the support frame (5). A movable shaft (18) is mounted on one end of the connecting arm (20) close to the support frame (5). The connecting arm (20) is movably connected to the support frame (5) via the movable shaft (18). The surface of the rod (19) is sleeved with a threaded sleeve (24), and the threaded sleeve (24) is threadedly connected to the threaded rod (19). The side wall of the threaded sleeve (24) is symmetrically mounted with a clamping jaw (23). A linkage shaft (22) is mounted on the side of the clamping jaw (23) close to the threaded sleeve (24), and the clamping jaw (23) is movably connected to the threaded sleeve (24) through the linkage shaft (22). A hinge shaft (21) is mounted on the top of the clamping jaw (23), and the clamping jaw (23) is movably connected to the connecting arm (20) through the hinge shaft (21). A walking track (1) is arranged outside the main connecting rod (13).

2. A positioning device for a prefabricated concrete cover plate protection frame according to claim 1, characterized in that: A walking frame (2) is provided below the walking track (1), and two sets of auxiliary wheels (11) are movably mounted on the inner wall of one side of the walking frame (2), and the auxiliary wheels (11) are movably connected to the walking track (1).

3. A positioning device for a prefabricated concrete cover plate protection frame according to claim 2, characterized in that: Two groups of running wheels (26) are movably mounted on the inner wall of the other side of the running frame (2), a servo motor (6) is mounted on the outer wall of the running frame (2), and an output end of the servo motor (6) is connected to a group of running wheels (26).

4. A positioning device for a prefabricated concrete cover plate protection frame according to claim 2, characterized in that: A connecting plate (7) is mounted on the bottom end of the walking frame (2), and two sets of electric push rods (8) are mounted on the bottom end of the connecting plate (7).

5. A positioning device for a prefabricated concrete cover plate protection frame according to claim 4, characterized in that: A connecting frame (10) is provided below the electric push rod (8), and a push arm (9) is installed at the output end of the electric push rod (8), and the push arm (9) is connected to the connecting frame (10).

6. A positioning device for a prefabricated concrete cover plate protection frame according to claim 5, characterized in that: A cross frame (3) is installed at the bottom end of the connecting frame (10), a fourth telescopic rod (27) is symmetrically slidably installed at one end of the cross frame (3), and the fourth telescopic rod (27) is connected to the main connecting rod (13).

7. A positioning device for a prefabricated concrete cover plate protection frame according to claim 6, characterized in that: A third telescopic rod (25) is symmetrically slidably mounted on the other end of the cross frame (3); an auxiliary telescopic rod (16) is mounted on one end of the third telescopic rod (25) away from the cross frame (3); two sets of auxiliary connecting rods (14) are slidably mounted inside the auxiliary telescopic rod (16); and the auxiliary connecting rod (14) is connected to the main telescopic rod (4).

8. A positioning device for a prefabricated concrete cover plate protection frame according to claim 7, characterized in that: A secondary locking pin (15) is installed on the surface of the secondary telescopic rod (16) above the secondary connecting rod (14), and the secondary locking pin (15) penetrates the secondary telescopic rod (16) and extends to the surface of the secondary connecting rod (14); a main locking pin (12) is installed on the surface of the main telescopic rod (4) above the main connecting rod (13), and the main locking pin (12) penetrates the main telescopic rod (4) and extends to the surface of the main connecting rod (13).

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