Cut-off wall grouting guide pipe mounting frame

Abstract

The utility model relates to a mounting rack for a grouting guide pipe of a cutoff wall. The cutoff wall grouting guide pipe mounting frame comprises a grouting guide pipe and a bottom plate with a hollow part, and further comprises a lifting mechanism fixed to the bottom plate and provided with a steel wire rope, the lower end of the steel wire rope is connected with a grouting funnel, the lower end of the grouting funnel is detachably connected with the upper end of the grouting guide pipe, and the grouting funnel is located above the hollow part of the bottom plate; the limiting cover plates are hinged to the hollow part, semicircular holes are formed in the ends, close to each other, of the limiting cover plates, and when the limiting cover plates are closed, the two semicircular holes form a through hole allowing a grouting guide pipe to pass through; the two ends of the grouting guide pipe are sleeved with limiting rings, and the inner diameter of the limiting rings is larger than the hole diameter of the through hole. Through cooperation of the lifting mechanism and the limiting cover plate, the multiple grouting guide pipes are sequentially connected while being put down, and therefore the problem that due to the fact that the lifting height of traditional lifting equipment cannot be matched with the length of a long grouting guide pipe, the long grouting guide pipe is difficult to put into a deep foundation pit is solved.

Description

Technical Field

[0001] This application relates to the technical field of engineering construction, and particularly relates to an installation frame for a grouting conduit of a cut-off wall. Background Art

[0002] In the construction operation of a cut-off wall, it is necessary to first excavate a deep foundation pit. Since the soil around the deep foundation pit is relatively soft, in order to prevent the collapse of the hole, slurry is usually injected into the deep foundation pit to balance the pressure in the hole through the slurry, so as to avoid the collapse of the hole. Then, the slurry is displaced by using the method of underwater concrete pouring.

[0003] Generally, the depth of the deep foundation pit is relatively large. It is necessary to extend the grouting conduit to the bottom of the pit, inject concrete while lifting the grouting conduit, so as to displace the slurry in the pit. Since the length of the grouting conduit is limited, when placing it into the pit, multiple grouting conduits need to be connected together to form a long grouting conduit that matches the depth of the deep foundation pit in order to adapt to the depth of the deep foundation pit.

[0004] However, after multiple grouting conduits are connected together, the formed long grouting conduit is too long, and the lifting height of the traditional lifting equipment cannot match the length of the long grouting conduit, resulting in difficulty in placing it into the deep foundation pit. Summary of the Utility Model

[0005] To solve or partially solve the problems existing in the related art, this application provides an installation frame for a grouting conduit of a cut-off wall.

[0006] To achieve the above object, this application is implemented through the following technical solutions:

[0007] An installation frame for a grouting conduit of a cut-off wall includes a grouting conduit and a bottom plate with a hollow part. The installation frame for the grouting conduit of the cut-off wall further includes:

[0008] A lifting mechanism fixed on the bottom plate and having a steel wire rope. The lower end of the steel wire rope is connected with a grouting funnel. The lower end of the grouting funnel is detachably connected to the upper end of the grouting conduit, and the grouting funnel is located above the hollow part of the bottom plate;

[0009] A pair of limit cover plates hinged to the hollow part. A semi-circular hole is provided at one end where the pair of limit cover plates are close to each other. When the two are closed, the two semi-circular holes form a through hole allowing the grouting conduit to pass through;

[0010] Wherein, limit rings are sleeved at both ends of the grouting conduit, and the inner diameter of the limit ring is larger than the aperture of the through hole.

[0011] Optionally, the lifting mechanism includes:

[0012] An L-shaped bracket and a wire rope reel fixed to the upper end face of the bottom plate. A pulley is provided on the horizontal section a of the L-shaped bracket away from the bottom plate. The wire rope is slidably connected to the pulley, and one end of the wire rope is wound around the wire rope reel.

[0013] Optionally, the wire rope includes a first wire rope and a second wire rope;

[0014] A lifting lug is connected to the lower end of the first wire rope. A triangular block is connected to the lower end of the lifting lug. Two lifting rings are symmetrically provided at the bottom of the triangular block. The second wire rope passes through the two lifting rings, and both ends of the second wire rope are respectively connected to both sides of the grouting funnel.

[0015] Optionally, a handle is provided on the limit cover plate.

[0016] Optionally, a connecting rod is provided between the horizontal section a and the vertical section b of the L-shaped bracket.

[0017] Optionally, a pair of support rods are symmetrically provided on the side of the vertical section b of the L-shaped bracket away from the connecting rod.

[0018] Optionally, the wire rope reel is driven by a servo motor.

[0019] Advantages of the present application: The present application uses a lifting mechanism with a wire rope to lift and lower a single grouting conduit, and uses a limit cover plate to support the limit ring, so that the single grouting conduit is fixed to facilitate the connection between the grouting conduits. Through the cooperation of the lifting mechanism and the limit cover plate, multiple grouting conduits are sequentially connected while being lowered, thus avoiding the problem that the lifting height of traditional lifting equipment cannot match the length of the long grouting conduit, resulting in difficulty in placing it into a deep foundation pit.

[0020] It should be understood that the above general description and the following detailed description are only exemplary and explanatory, and cannot limit the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] By describing the exemplary embodiments of the present application in more detail in conjunction with the drawings, the above and other objects, features, and advantages of the present application will become more obvious. Among them, in the exemplary embodiments of the present application, the same reference numerals generally represent the same components.

[0022] Figure 1 is the front view of the cut-off wall grouting conduit mounting rack shown in the embodiment of the present application;

[0023] Figure 2 is the side view of the cut-off wall grouting conduit mounting rack shown in the embodiment of the present application;

[0024] Figure 3 is the structural schematic diagram of the limit cover plate shown in the embodiment of the present application;

[0025] Figure 4 It is a schematic structural diagram of a grouting conduit shown in an embodiment of the present application;

[0026] Figure 5 is shown in an embodiment of the present application Figure 1 an enlarged view of part A in;

[0027] Figure 6 is a side view of part A shown in an embodiment of the present application.

[0028] Reference numerals: 1 grouting conduit, 2 bottom plate, 3 lifting mechanism, 4 steel wire rope, 5 grouting funnel, 6 limit cover plate, 7 through hole, 8 limit ring, 9 L-shaped bracket, 10 steel wire rope reel, 11 pulley, 12 first steel wire rope, 13 second steel wire rope, 14 lifting lug, 15 triangular block, 16 lifting ring, 17 handle, 18 connecting rod, 19 support rod, 20 servo motor, 21 hinge shaft. Detailed implementation manners

[0029] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be construed as a limitation of the present invention.

[0030] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one of such features. In the description of the present invention, "a plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

[0031] In the present invention, unless otherwise clearly specified and limited, the terms "mounted", "connected", "connected to", "fixed", etc. should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection, an electrical connection or communication with each other; it may be directly connected, or indirectly connected through an intermediate medium, and may be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly limited. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0032] In the present invention, unless otherwise clearly specified or limited, the first feature being "on" or "under" the second feature may mean that the first and second features are in direct contact, or the first and second features are indirectly in contact through an intermediate medium. Moreover, the first feature being "above", "over" and "on top of" the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply indicates that the first feature has a higher horizontal height than the second feature. The first feature being "under", "beneath" and "underneath" the second feature may mean that the first feature is directly below or obliquely below the second feature, or simply indicates that the first feature has a lower horizontal height than the second feature.

[0033] In the present invention, the terms "an embodiment", "some embodiments", "example", "specific example" or "some examples", etc. mean that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in a suitable manner in any one or more embodiments or examples. In addition, without contradiction, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of different embodiments or examples.

[0034] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those of ordinary skill in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of the present invention.

[0035] The above are only optional embodiments of the present application and are not intended to limit the present application. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present application shall be included within the protection scope of the present application.

[0036] In order to make the purpose, technical solutions and beneficial effects of the present application clearer, the preferred embodiments of the present application will be described in detail below with reference to the accompanying drawings to facilitate understanding by those skilled in the art.

[0037] Embodiment 1:

[0038] See Figures 1 to 4 , a cut-off wall grouting conduit mounting rack, comprising a grouting conduit 1 and a bottom plate 2 having a hollowed-out portion, and the cut-off wall grouting conduit mounting rack further comprises:

[0039] a lifting mechanism 3 fixed to the bottom plate 2 and having a steel wire rope 4, the lower end of the steel wire rope 4 is connected to a grouting funnel 5, the lower end of the grouting funnel 5 is detachably connected to the upper end of the grouting conduit 1, and the grouting funnel 5 is located above the hollowed-out portion of the bottom plate 2;

[0040] A pair of limit cover plates 6 hinged to the hollow part, and semi-circular holes are provided at one ends of the pair of limit cover plates 6 close to each other. When the two are closed, the two semi-circular holes form a through hole 7 allowing the grouting conduit 1 to pass through;

[0041] Wherein, limit rings 8 are sleeved at both ends of the grouting conduit 1, and the inner diameter of the limit ring 8 is larger than the aperture of the through hole 7.

[0042] Specifically, the lifting mechanism 3 has a certain height, and the bottom of the lifting mechanism 3 is fixed to the upper end surface of the bottom plate 2. A steel wire rope 4 is provided on the lifting mechanism 3. The lower end of the steel wire rope 4 is fixedly connected to both sides of the upper end of the grouting funnel 5. There is a certain distance between the bottom of the grouting funnel 5 and the hollow part of the bottom plate 2; the limit cover plate 6 is installed on the hollow part through a hinge shaft 21, so that the pair of limit cover plates 6 can be opened or closed; the limit ring 8 is fixedly connected to the outer surface of the grouting conduit 1, and the inner diameter of the limit ring 8 is larger than the aperture of the through hole 7, so that the grouting conduit 1 can pass through the through hole 7 while the limit ring 8 cannot pass through;

[0043] During use, move the mounting frame to the deep foundation pit, align the hollow part of the bottom plate 2 with the deep foundation pit, detachably connect the lower end of the grouting funnel 5 to the upper end of the first grouting conduit 1, start the lifting mechanism 3, and use the steel wire rope 4 to pull the grouting funnel 5 upward. The first grouting conduit 1 is lifted upward together with the grouting funnel 5. When the first grouting conduit 1 is lifted to an appropriate height, open the pair of limit cover plates 6, start the lifting mechanism 3 again, lower the grouting funnel 5 with the steel wire rope 4, and the first grouting conduit 1 moves downward together with the grouting funnel 5 and slowly passes through the hollow part, and then enters the deep foundation pit. When the upper end of the first grouting conduit 1 approaches the limit cover plate 6, close the limit cover plate 6. At this time, the limit ring 8 located at the upper end of the first grouting conduit 1 abuts against the limit cover plate 6. Through the supporting action of the limit cover plate 6, the first grouting conduit 1 is fixed at this position. Disconnect the connection between the grouting funnel 5 and the first grouting conduit 1, detachably connect the second grouting conduit 1 to the grouting funnel 5, and repeat the above operation. When the lower end of the second grouting conduit 1 is lowered to align with the upper end of the first grouting conduit 1, connect the two grouting conduits 1. After connection, open the limit cover plate 6, and lower the two connected grouting conduits 1 into the deep foundation pit. According to the above operation, lower and connect multiple grouting conduits 1 one by one until a long grouting conduit matching the depth of the deep foundation pit is formed, thereby realizing the placement of the long grouting conduit;

[0044] In this embodiment, a single grouting tube 1 is lifted and lowered by a lifting mechanism 3 having a steel wire rope 4, and a limiting ring 8 is supported by a limiting cover plate 6, so that the single grouting tube 1 is fixed to facilitate the connection between the grouting tubes 1. Through the cooperation of the lifting mechanism 3 and the limiting cover plate 6, multiple grouting tubes 1 can be connected in sequence while being lowered, thereby avoiding the problem that the lifting height of the traditional lifting equipment cannot match the length of the long grouting tube, making it difficult to place it in a deep foundation pit.

[0045] In addition, during the grouting process, as the concrete column rises, the grouting conduit 1 needs to be lifted in time. When the lower end of a grouting conduit 1 is close to the limit cover plate 6, the limit cover plate 6 is opened to allow the grouting conduit 1 to extend out of the deep foundation pit, and then the grouting conduit 1 is removed. This process is repeated until all the grouting conduits 1 are removed and the grouting operation is completed.

[0046] Embodiment 2:

[0047] See also Figure 1 and Figure 2 , based on embodiment 1, optionally, the lifting mechanism 3 includes:

[0048] An L-shaped bracket 9 and a wire rope drum 10 are fixed to the upper end surface of the base plate 2. A pulley 11 is provided on the horizontal section a of the L-shaped bracket 9 away from the base plate 2. The wire rope 4 is slidably connected to the pulley 11, and one end of the wire rope 4 is wound on the wire rope drum 10.

[0049] Specifically, the L-shaped bracket 9 is located on one side of the hollow part, and the wire rope drum 10 is located on one side of the L-shaped bracket 9. The bottom plate 2 supports the L-shaped bracket 9 and the wire rope drum 10. The middle part of the wire rope drum 10 has a groove, and one end of the wire rope 4 is wound in the groove. The wire rope 4 is retracted and released through the wire rope drum 10. Two pulleys 11 are provided to support the wire rope 4. The other end of the wire rope 4 passes around the second pulley 11 and extends downward.

[0050] See also Figure 5 and Figure 6 , Optionally, the steel wire rope 4 includes a first steel wire rope 12 and a second steel wire rope 13;

[0051] The lower end of the first steel wire rope 12 is connected to a lifting lug 14 , and the lower end of the lifting lug 14 is connected to a triangular block 15 . Two lifting rings 16 are symmetrically provided at the bottom of the triangular block 15 . The second steel wire rope 13 is passed through the two lifting rings 16 , and the two ends of the second steel wire rope 13 are respectively connected to the two sides of the grouting funnel 5 .

[0052] Specifically, the lower end of the first steel wire rope 12 is fixedly connected to the upper end of the lifting lug 14. The lower end of the lifting lug 14 is connected to the upper end of the triangular block 15 by bolts. The bottom of the triangular block 15 is the base of the triangular block, and two lifting rings 16 are symmetrically fixed on the base. The second steel wire rope 13 is threaded through the two lifting rings 16. Handles are respectively provided on both sides of the upper end of the grouting funnel 5, and both ends of the second steel wire rope 13 are respectively fixed to the handles;

[0053] With such a setting, tensile forces of the second steel wire rope 13 act on both sides of the grouting funnel 5, increasing the stability of the grouting funnel 5 during lifting and lowering.

[0054] Optionally, a lifting handle 17 is provided on the limit cover plate 6.

[0055] Specifically, lifting handles 17 are provided on a pair of limit cover plates 6. Through the lifting handles 17, it is convenient to open and close the limit cover plates 6.

[0056] Optionally, a connecting rod 18 is provided between the horizontal section a and the vertical section b of the L-shaped bracket 9.

[0057] Specifically, one end of the connecting rod 18 is fixedly connected to the lower end face of the horizontal section a, and the other end is fixedly connected to the side end face of the vertical section b. With such a setting, the pressure received by the horizontal section a is guided to the vertical section b, thereby increasing the load of the L-shaped bracket 9 and improving its stability at the same time.

[0058] Optionally, a pair of support rods 19 are symmetrically provided on the side of the vertical section b of the L-shaped bracket 9 away from the connecting rod 18.

[0059] Specifically, the upper end of the support rod 19 is fixedly connected to the vertical section b of the L-shaped bracket 9 through a connecting plate, and the lower end is fixedly connected to the bottom plate 2. In this way, a triangular support is formed by the support rod 19, the vertical section b and the bottom plate 2, further increasing the stability of the L-shaped bracket 9.

[0060] Optionally, the wire rope reel 10 is driven by a servo motor 20.

[0061] Specifically, the output shaft of the servo motor 20 is fixedly connected to the rotating shaft of the wire rope reel 10. By controlling the forward and reverse rotation of the servo motor 20, the forward and reverse rotation of the wire rope reel 10 is controlled, thereby controlling the lifting and lowering of the wire rope 4.

[0062] Finally, it should be noted that the above preferred embodiments are only used to illustrate the technical solutions of the present application and are not restrictive. Although the present application has been described in detail through the above preferred embodiments, those skilled in the art should understand that various changes can be made in terms of form and details without departing from the scope defined by the claims of the present application; the dimensions of the drawings have nothing to do with the specific physical objects, and the physical dimensions can be arbitrarily changed.

Claims

1. A cut-off wall grouting duct installation rack, characterized in that It includes a grouting conduit (1) and a bottom plate (2) with a hollowed-out part. The grouting conduit mounting frame for the cut-off wall further includes: A lifting mechanism (3) fixed to the bottom plate (2) and having a steel wire rope (4). The lower end of the steel wire rope (4) is connected to a grouting funnel (5). The lower end of the grouting funnel (5) is detachably connected to the upper end of the grouting conduit (1), and the grouting funnel (5) is located above the hollowed-out part of the bottom plate (2); A pair of limit cover plates (6) hinged to the hollowed-out part. One end of the pair of limit cover plates (6) close to each other is provided with a semi-circular hole. When the two are closed, the two semi-circular holes form a through hole (7) allowing the grouting conduit (1) to pass through; Wherein, limit rings (8) are sleeved at both ends of the grouting conduit (1), and the inner diameter of the limit ring (8) is larger than the aperture of the through hole (7).

2. The cut-off wall grouting conduit mounting bracket according to claim 1, characterized in that The lifting mechanism (3) includes: An L-shaped bracket (9) and a steel wire rope reel (10) fixed to the upper end surface of the bottom plate (2). A pulley (11) is provided on the horizontal section a of the L-shaped bracket (9) far from the bottom plate (2). The steel wire rope (4) is slidably connected to the pulley (11), and one end of the steel wire rope (4) is wound around the steel wire rope reel (10).

3. The cut-off wall grouting conduit mounting bracket according to claim 1, characterized in that, The steel wire rope (4) includes a first steel wire rope (12) and a second steel wire rope (13); The lower end of the first steel wire rope (12) is connected to a lifting lug (14). The lower end of the lifting lug (14) is connected to a triangular block (15). Two lifting rings (16) are symmetrically provided at the bottom of the triangular block (15). The second steel wire rope (13) passes through the two lifting rings (16), and both ends of the second steel wire rope (13) are respectively connected to both sides of the grouting funnel (5).

4. The water cutoff wall grouting conduit mounting bracket according to claim 1, characterized in that, A handle (17) is provided on the limit cover plate (6).

5. The water cutoff wall grouting conduit mounting bracket according to claim 2, characterized in that, A connecting rod (18) is provided between the horizontal section a and the vertical section b of the L-shaped bracket (9).

6. The water cutoff wall grouting conduit mounting bracket according to claim 2 or 5, characterized in that A pair of support rods (19) are symmetrically provided on the side of the vertical section b of the L-shaped bracket (9) far from the connecting rod (18).

7. The water cutoff wall grouting duct mounting bracket according to claim 2, characterized in that, The steel wire rope reel (10) is driven by a servo motor (20).

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