A large diameter support rod recovery device

Abstract

The utility model relates to the field of construction technology, and in particular to a large-diameter support rod recovery device. The large-diameter support rod recovery device includes a hanging platform erected on a concrete body, and is characterized in that a main platform is installed on the hanging platform, and a lifting boom is installed on the main platform, a crossbeam is erected on the lifting boom, and a switching climbing jack and a climbing jack are installed on the crossbeam; a switching support rod is inserted in the switching climbing jack, and a polyurethane anti-sticking sleeve is sleeved on the switching support rod, and a supporting rod is installed in the climbing jack. The large-diameter support rod recovery device provided by the utility model adds a set of climbing jacks for converting force when recovering the support rod, and at the same time improves the structural form of the support rod, which is convenient for pulling out from the formed concrete, and the added polyurethane rubber sleeve can prevent the concrete from sticking to the support rod.

Description

Technical Field

[0001] The utility model relates to the technical field of construction, in particular to a large-diameter support rod recovery device. Background Art

[0002] In the combined climbing and flipping construction, the methods used are as follows: Figure 8 As shown, since the support rods (generally using steel pipes with a diameter of 89X4 or 76X4) must be pre-buried in steel pipes from the initial construction to the pier top, and the minimum number is generally not less than 6, it is a pity to waste the support rod steel. At the same time, after the construction is completed, the grouting in the support hole basically does not meet the requirements and is not dense.

[0003] Therefore, it is necessary to provide a new large-diameter support rod recovery device to solve the above technical problems. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a large-diameter support rod recovery device.

[0005] The large-diameter support rod recovery device provided by the utility model comprises a hanging platform erected on a concrete body, characterized in that a main platform is installed on the hanging platform, and a lifting suspension rod is installed on the main platform, a crossbeam is erected on the lifting suspension rod, and a switching climbing jack and a climbing jack are installed on the crossbeam;

[0006] A reversing support rod is inserted in the reversing climbing jack, and a polyurethane anti-sticking sleeve is sleeved on the reversing support rod. A supporting rod is installed in the climbing jack.

[0007] Preferably, the support rod has the same structural form as the switching support rod, and the switching support rod includes an upper section support rod, a middle section support rod and a bottom section support rod, one end of the upper section support rod and the middle section support rod are each provided with a threaded connector, and the other ends of the upper section support rod and the middle section support rod are each provided with a threaded connection hole, one end of the bottom section support rod is provided with a threaded connector, and the upper section support rod, the middle section support rod and the bottom section support rod are connected in sequence with the threads of the bottom section and the middle section to form a rod body.

[0008] Preferably, the support rods in the concrete body are designed to be tapered and constitute tapered support rods.

[0009] Preferably, an electric hoist is installed in the crossbeam on the lifting boom.

[0010] Preferably, a platform guardrail is installed on the outer ring of the main platform, and a truss is installed on the bottom of the main platform.

[0011] Preferably, the hanging platform includes a hanging platform outer vertical pole and a hanging platform inner vertical pole, and the hanging platform outer vertical pole and the hanging platform inner vertical pole are hung at the bottom of the truss, and an upper hanging platform beam and a lower hanging platform beam distributed vertically are installed between the hanging platform outer vertical pole and the hanging platform inner vertical pole, a hanging platform B is installed on the hanging platform beam, and a hanging platform A is installed on the lower hanging platform beam, a template tightening screw is installed on the truss, and an upper section template and a lower section template are installed on the template tightening screw, and the upper section template and the lower section template are fixedly installed on the concrete body.

[0012] Compared with the related art, the large diameter support rod recovery device provided by the utility model has the following beneficial effects:

[0013] The utility model adds a set of climbing jacks for converting force when recovering the support rod, and improves the structural form of the support rod to facilitate pulling out from the formed concrete. The added polyurethane rubber sleeve can prevent the concrete from sticking to the support rod. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 A schematic structural diagram of a preferred embodiment of a large diameter support rod recovery device provided by the utility model;

[0015] Figure 2 for Figure 1 The structural schematic diagram of the inverted support rod is shown;

[0016] Figure 3 A schematic diagram of the structure of the first step of the utility model;

[0017] Figure 4 A schematic diagram of the structure of the second step of the utility model;

[0018] Figure 5 A schematic diagram of the structure of the third step of the utility model;

[0019] Figure 6 A schematic diagram of the structure of the fourth step of the utility model;

[0020] Figure 7 A schematic diagram of the structure of the utility model during the fifth step;

[0021] Figure 8 The present invention is a schematic structural diagram of the prior art.

[0022] Numbers in the figure: 100, main platform; 1. Reverse support rod; 1-1, upper section support rod; 1-2, threaded connector; 1-3, middle section support rod; 1-4, bottom section support rod; 2. Reverse climbing jack; 3. Polyurethane anti-stick sleeve; 4. Tapered support rod; 5. Support rod; 6. Climbing jack; 7. Electric hoist; 8. Lifting boom; 9. Platform guardrail; 10. Truss; 11. External pole of hanging platform; 12. Upper beam of hanging platform; 13. Internal pole of hanging platform; 14. Lower beam of hanging platform; 15. Hanging platform A; 16. Lower section template; 17. Hanging platform B; 18. Upper section template; 19. Template tightening screw. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0024] The specific implementation of the present utility model is described in detail below in conjunction with specific embodiments.

[0025] See also Figures 1 to 7 The embodiment of the utility model provides a large diameter support rod recovery device, which includes: a hanging platform erected on a concrete body, a switching support rod 1, a switching climbing jack 2 and a polyurethane anti-sticking sleeve 3.

[0026] In the embodiments of the present invention, please refer to Figure 1 and Figure 2 The hanging platform includes a hanging platform outer pole 11 and a hanging platform inner pole 13, the hanging platform outer pole 11 and the hanging platform inner pole 13 are hung at the bottom of the truss 10, and the hanging platform upper crossbeam 12 and the hanging platform lower crossbeam 14 distributed up and down are installed between the hanging platform outer pole 11 and the hanging platform inner pole 13, a hanging platform B17 is installed on the hanging platform crossbeam 12, and a hanging platform A15 is installed on the hanging platform lower crossbeam 14, a template tightening screw 19 is installed on the truss 10, and an upper section template 18 and a lower section template 16 are installed on the template tightening screw 19, and the upper section template 18 and the lower section template 16 are fixedly installed on the concrete body;

[0027] A main platform 100 is installed on the hanging platform, and a lifting boom 8 is installed on the main platform 100, a crossbeam is mounted on the lifting boom 8, and a switching climbing jack 2 and a climbing jack 6 are installed on the crossbeam, and an electric hoist 7 is installed in the crossbeam on the lifting boom 8;

[0028] A reversing support rod 1 is inserted in the reversing climbing jack 2, and a polyurethane anti-sticking sleeve 3 is provided on the reversing support rod 1, and a supporting rod 5 is installed in the climbing jack 6; the supporting rod 5 has the same structural form as the reversing support rod 1, and the reversing support rod 1 includes an upper section support rod 1-1, a middle section support rod 1-3 and a bottom section support rod 1-4, one end of the upper section support rod 1-1 and the middle section support rod 1-3 are provided with a threaded connector 1-2, and the other ends of the upper section support rod 1-1 and the middle section support rod 1-3 are provided with a threaded connection hole, one end of the bottom section support rod 1-4 is provided with a threaded connector 1-2, the upper section support rod 1-1, the middle section support rod 1-3 and the bottom section support rod 1-4 are connected in sequence with the threads of the bottom section and the middle section to form a rod body.

[0029] The operation steps of the large diameter support rod provided by the utility model are as follows:

[0030] Step 1: After burying the polyurethane anti-sticking sleeve 3, carry out concrete construction (such as attached Figure 3 );

[0031] Step 2: Close the climbing jack 6, open the climbing jack 2, and install the polyurethane anti-sticking sleeve 3 on the lower taper support rod 4, run the support rod 1 downward to hold the concrete surface tightly, and then lift it up 10CM, and use the original support rod to empty it (as shown in the attached Figure 4 );

[0032] Step 3: Remove the support rods of the original recyclable part (if attached) Figure 5 );

[0033] Step 4: Remove the polyurethane anti-sticking sleeve 3 (if attached Figure 6 );

[0034] Step 5: After the formwork is lifted, pour the concrete and pour the original support rod holes together, and repeat this cycle (see attached). Figure 7 ).

[0035] The outer ring of the main platform 100 is installed with a platform guardrail 9, and the bottom of the main platform 100 is installed with a truss 10, so as to improve safety.

[0036] In this embodiment: a switching climbing jack 2 is added to the original system, the switching climbing jack 2 is connected to the crossbeam by bolts, and all support rods are in the form of a switching support rod 1, the switching support rod 1 is inserted from the top into the switching climbing jack 2, and extends downward to the required position through the jack, and a polyurethane anti-sticking sleeve 3 is put on the outer side of the support rod. During the working stage, only one system of the switching climbing jack 2 and the climbing jack 6 is working, the switching support rod 1 is run downward to hold the concrete surface tightly, and then lifted upward by 10CM, and the original support rod can be used to empty it;

[0037] A set of climbing jacks is added to convert the force when recovering the support rod. At the same time, the structural form of the support rod is improved to facilitate pulling it out from the formed concrete. The added polyurethane rubber sleeve 3 can prevent the concrete from sticking to the support rod.

[0038] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A large diameter support rod recovery device, comprising a hanging platform erected on a concrete body, characterized in that: A main platform (100) is installed on the hanging platform, and a lifting rod (8) is installed on the main platform (100), a crossbeam is mounted on the lifting rod (8), and a switching climbing jack (2) and a climbing jack (6) are installed on the crossbeam; A reversing support rod (1) is inserted into the reversing climbing jack (2), and a polyurethane anti-sticking sleeve (3) is sleeved on the reversing support rod (1), and a supporting rod (5) is installed in the climbing jack (6).

2. The large diameter support rod recovery device according to claim 1, characterized in that: The support rod (5) has the same structural form as the switching support rod (1), and the switching support rod (1) comprises an upper support rod (1-1), a middle support rod (1-3) and a bottom support rod (1-4), one end of each of the upper support rod (1-1) and the middle support rod (1-3) is provided with a threaded connector (1-2), and the other ends of each of the upper support rod (1-1) and the middle support rod (1-3) are provided with a threaded connection hole, one end of the bottom support rod (1-4) is provided with a threaded connector (1-2), and the upper support rod (1-1), the middle support rod (1-3) and the bottom support rod (1-4) are connected in sequence to form a rod body by connecting the threads of the bottom and middle sections.

3. The large diameter support rod recovery device according to claim 1, characterized in that: The support rod in the concrete body is designed with a taper and forms a taper support rod (4).

4. The large diameter support rod recovery device according to claim 1, characterized in that: An electric hoist (7) is installed in the crossbeam on the lifting suspension rod (8).

5. The large diameter support rod recovery device according to claim 1, characterized in that: The outer ring of the main platform (100) is installed with a platform guardrail (9), and the bottom of the main platform (100) is installed with a truss (10).

6. The large diameter support rod recovery device according to claim 5, characterized in that: The hanging platform comprises a hanging platform outer column (11) and a hanging platform inner column (13), wherein the hanging platform outer column (11) and the hanging platform inner column (13) are hung at the bottom of the truss (10), and an upper hanging platform crossbeam (12) and a lower hanging platform crossbeam (14) are installed between the hanging platform outer column (11) and the hanging platform inner column (13), the hanging platform B (17) is installed on the hanging platform upper crossbeam (12), and the hanging platform A (15) is installed on the hanging platform lower crossbeam (14), the truss (10) is installed with a template tightening screw (19), and an upper section template (18) and a lower section template (16) are installed on the template tightening screw (19), and the upper section template (18) and the lower section template (16) are fixedly installed on the concrete body.

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