Excavating and supporting device for filling groove of impervious wall of reservoir

Abstract

The utility model belongs to the technical field of reservoir anti-seepage wall construction, and particularly relates to a reservoir anti-seepage wall pouring groove excavating and supporting device which comprises a reinforcement cage, a base and an inner supporting mechanism. An internally threaded sleeve; a moving plate; the arc-shaped supporting plate is fixed at one end of the movable plate; the sleeve is hollowly sleeved on the internal thread sleeve; one end of the turnover connecting arm is hinged to the movable plate, and the other end of the turnover connecting arm is hinged to the sleeve; the two check rings are fixed to the internal thread sleeve in a spaced mode, and the sleeve is located between the two check rings; according to the inner supporting device, the horizontal positions of the arc-shaped supporting plates can be synchronously adjusted by rotating the inner threaded sleeve through the arranged inner supporting mechanism, on one hand, the inner supporting device can be suitable for most pouring grooves with different inner diameters, on the other hand, the arc-shaped supporting plates can stably support the inner walls of the pouring grooves, the stability performance is high, and the collapse problem is effectively avoided.

Description

TECHNICAL FIELD

[0001] The utility model belongs to reservoir cut-off wall construction technical field, concretely relates to a kind of reservoir cut-off wall pouring groove excavating supporting device. BACKGROUND

[0002] Cut-off wall is used special machine and tool to set pouring groove, and the continuous underground wall is formed by pouring concrete, backfilling clay or other impermeable materials in slot hole, and cut-off wall is generally preferred for the impermeable treatment of water conservancy and hydropower cover layer and earth-rock cofferdam with impermeable pressure in China.

[0003] In the process of cut-off wall construction, pouring groove supporting device is usually set to support the inner wall of pouring groove to avoid collapse accidents.

[0004] Search in prior art, the Chinese utility model patent with authorization announcement No.CN215211119U discloses "a kind of reservoir cut-off wall pouring groove supporting structure", it includes slot hole, reinforcement cage and center column, the reinforcement cage is movably arranged inside the slot hole, and the center column is fixedly installed inside the reinforcement cage;Multiple groups of mechanisms identical telescopic supports are provided on the reinforcement cage, the telescopic support includes sleeve, telescopic rod and sleeve, and multiple groups of structures identical sleeve are fixedly sleeved on the circumferential side wall of the center column along the height direction thereof.

[0005] The pouring groove supporting structure in prior art including the above, although it can meet general use demand, but the stability is poor, and the position of multiple arc-shaped baffle plates cannot be adjusted synchronously according to the inner diameter of pouring groove, so there is high use limitation.

[0006] To solve the above problems, a kind of reservoir cut-off wall pouring groove excavating supporting device is proposed in the present application. CONTENT OF UTILITY MODEL

[0007] To solve the above problems existing in prior art, the utility model provides a kind of reservoir cut-off wall pouring groove excavating supporting device, with the characteristics of convenient to use, easy to adjust, high stability and wide application range.

[0008] To achieve the above object, the utility model provides the following technical scheme: a kind of reservoir cut-off wall pouring groove excavating supporting device, including reinforcement cage, base and multiple groups of inner support mechanisms distributed along vertical direction at equal intervals, the reinforcement cage includes multiple longitudinal reinforcements distributed along circumferential direction at equal intervals and multiple ring bars distributed along vertical direction at equal intervals, the base is fixed to the bottom end of the longitudinal reinforcement, the ring bar is fixedly connected with the longitudinal reinforcement, and the inner support mechanism includes:

[0009] Threaded column, the threaded column is fixed to the top surface of the base;

[0010] A female threaded sleeve is connected to the threaded column by screwing;

[0011] A plurality of moving plates are distributed equidistantly in the circumferential direction and have guiding sliding holes for the ring rib to pass through;

[0012] An arc-shaped supporting plate is fixed to one end of the moving plate;

[0013] A sleeve is sleeved on the female threaded sleeve;

[0014] A turnover connecting arm is hinged to one end of the moving plate and the other end of the sleeve;

[0015] Two retaining rings are fixed equidistantly on the female threaded sleeve, and the sleeve is located between the two retaining rings.

[0016] As a preferred technical scheme of the utility model, the inner supporting mechanism further comprises:

[0017] Two guiding rods are fixed symmetrically on the ring rib, and the guiding rods pass through the moving plate.

[0018] As a preferred technical scheme of the utility model, the vertical height of the sleeve is equal to the spacing of the two retaining rings.

[0019] As a preferred technical scheme of the utility model, the outer wall of the female threaded sleeve abuts against the inner wall of the sleeve.

[0020] As a preferred technical scheme of the utility model, the width of the moving plate is equal to the spacing of two adjacent longitudinal ribs.

[0021] As a preferred technical scheme of the utility model, the outer wall of the ring rib abuts against the inner wall of the guiding sliding hole.

[0022] As a preferred technical scheme of the utility model, further comprising:

[0023] A plurality of first cones are distributed equidistantly in the circumferential direction and are fixed to the bottom surface of the base.

[0024] As a preferred technical scheme of the utility model, further comprising:

[0025] A plurality of second cones are distributed equidistantly in the vertical direction and are fixed to the outer wall of the arc-shaped supporting plate.

[0026] Compared with the prior art, the utility model has the beneficial effects that:

[0027] The utility model discloses a inner support mechanism, the horizontal position of a plurality of arc support plates can be adjusted synchronously by rotating the inner thread sleeve, on the one hand, can satisfy most different inner diameter's perfusion groove, on the other hand, can make arc support plate stable support the inner wall of perfusion groove, and the stability is high, effectively avoid the problem of collapse.

[0028] Additional advantages and beneficial effects of the present application will be partially given in the following description, and some will become apparent from the following description, or be known by the practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0029] The accompanying drawings are included to provide a further understanding of the present application, and constitute a part of the specification, and are used together with embodiments of the present application to explain the present application, and do not constitute a limitation on the present application. In the drawings:

[0030] Figure 1 It is the structural schematic diagram of the utility model;

[0031] Figure 2 It is the steel reinforcement cage axial measurement structure schematic diagram in the utility model;

[0032] Figure 3 It is the cross section structure schematic diagram of the utility model;

[0033] Figure 4 It is the A place enlarged structure schematic diagram in the utility model Figure 3

[0034] Figure 5 It is the inner support mechanism axial measurement structure schematic diagram in the utility model.

[0035] In the drawing: 1, steel reinforcement cage;11, longitudinal reinforcement;12, ring reinforcement;2, base;21, primary cone;3, inner support mechanism;31, threaded column;32, inner thread sleeve;33, moving plate;331, guide sliding hole;34, arc support plate;341, second cone;35, sleeve;36, overturning connecting arm;37, check ring;38, guide rod. DETAILED DESCRIPTION

[0036] The technical scheme in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application, and obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by the person skilled in the art without creative labor belong to the scope of protection of the present application.

[0037] Please refer to Figures 1-5 ​The utility model provides following technical scheme: a reservoir cut -off wall pouring slot excavating support device, including reinforcement cage 1, base 2 and multiple groups of inner support mechanism 3 which are distributed along vertical direction equidistance, reinforcement cage 1 includes multiple longitudinal reinforcement 11 which are distributed along circumferential direction equidistance and multiple ring muscle 12 which are distributed along vertical direction equidistance, base 2 is fixed on the bottom end of longitudinal reinforcement 11, ring muscle 12 is fixedly connected with longitudinal reinforcement 11, inner support mechanism 3 includes: threaded column 31, internal thread sleeve 32, moving plate 33, arc bracing plate 34, sleeve 35, overturning connecting arm 36, baffle ring 37.

[0038] Further, as shown in Figures 1-5 In the embodiment, the threaded column 31 is fixed to the top surface of the base 2, the internal thread sleeve 32 is connected to the threaded column 31 by screwing, the moving plates 33 are distributed equidistantly along the circumferential direction, and the moving plates 33 have guiding sliding holes 331 through which the ring muscles 12 pass, the arc bracing plates 34 are fixed to one end of the moving plates 33, the sleeve 35 is sleeved on the internal thread sleeve 32, one end of the overturning connecting arm 36 is hinged to the moving plate 33 and the other end is hinged to the sleeve 35, the two baffle rings 37 are fixed on the internal thread sleeve 32 with a space, and the sleeve 35 is located between the two baffle rings 37. After the pouring slot is excavated, the reinforcement cage 1 and the inner support mechanism 3 are placed in the pouring slot by using hoisting machinery, and the reinforcement cage 1 is positioned at the center of the pouring slot. After the reinforcement cage 1 is placed, the internal thread sleeve 32 is rotated to move downward under the action of screwing, the internal thread sleeve 32 drives the sleeve 35 to move downward by the two baffle rings 37, the sleeve 35 drives the overturning connecting arm 36 to overturn and move, the overturning connecting arm 36 pushes the moving plate 33 to move outward, and the arc bracing plate 34 is used to tightly support the inner wall of the pouring slot, thereby achieving support. The horizontal positions of the arc bracing plates 34 can be adjusted synchronously by rotating the internal thread sleeve 32, which can satisfy most pouring slots with different inner diameters and stably support the inner wall of the pouring slot, thereby avoiding collapse.

[0039] Preferably, as shown in Figures 1-4 In the embodiment, the inner support mechanism 3 further includes the guide rods 38, the two guide rods 38 are fixed on the ring muscles 12 in a symmetrical manner, and the guide rods 38 pass through the moving plates 33. The two guide rods 38 are used to guide the moving plates 33 to improve the stability of the moving plates 33.

[0040] Preferably, as shown in Figures 1-4As shown, in this embodiment, the vertical height of the sleeve 35 is equal to the interval of the two retaining rings 37, through the above design, the sleeve 35 is limited by the two retaining rings 37, avoiding the sleeve 35 to slide axially relative to the internal thread sleeve 32, and because the sleeve 35 is sleeved on the internal thread sleeve 32, it will not affect the rotation of the internal thread sleeve 32.

[0041] Preferably, by Figures 1-4 As shown, in this embodiment, the outer wall of the internal thread sleeve 32 abuts against the inner wall of the sleeve 35, further ensuring the stability of the sleeve 35, avoiding the sleeve 35 to shake.

[0042] Preferably, by Figures 1-4 As shown, in this embodiment, the width of the moving plate 33 is equal to the interval of the two adjacent longitudinal ribs 11, through the above design, the moving plate 33 is limited by the two adjacent longitudinal ribs 11, further improving the stability of the moving plate 33, avoiding the moving plate 33 to shake.

[0043] Preferably, by Figures 1-4 As shown, in this embodiment, the outer wall of the ring rib 12 abuts against the inner wall of the guide sliding hole 331, through the above design, because the ring rib 12 is a circular structure, the part of the ring rib 12 inside the guide sliding hole 331 is arc-shaped, which can effectively improve the stability of the moving plate 33, ensuring that the moving plate 33 can only move in the horizontal direction.

[0044] Preferably, by Figure 1 And Figure 3 As shown, in this embodiment, it further includes: a plurality of first cones 21, the first cones 21 are equally spaced in the circumferential direction and are fixed to the bottom surface of the base 2, through the above design, after the reinforcement cage 1 is placed in the diaphragm wall pouring slot, the first cones 21 are inserted into the soil foundation at the bottom of the diaphragm wall pouring slot, further improving the stability.

[0045] Preferably, by Figure 1 , Figure 3 , Figure 4 And Figure 5 As shown, in this embodiment, it further includes: a plurality of second cones 341, the second cones 341 are equally spaced in the vertical direction and are fixed to the outer wall of the arc-shaped supporting plate 34, through the above design, after the arc-shaped supporting plate 34 is tightly supported against the inner wall of the diaphragm wall pouring slot, the second cones 341 are inserted into the soil foundation at the side of the diaphragm wall pouring slot, further improving the stability, and providing great convenience for the later pouring work.

[0046] The components not described in detail herein are prior art.

[0047] The working principle and use process of the utility model: the supporting device of the utility model, when using, the diaphragm wall pouring groove is excavated, the reinforcing cage 1 is placed in the diaphragm wall pouring groove by using the hoisting machinery together with the inner support mechanism 3, and the reinforcing cage 1 is placed in the center position of the diaphragm wall pouring groove as far as possible, after the reinforcing cage 1 is placed in the diaphragm wall pouring groove, the first cone 21 is inserted into the soil foundation at the bottom of the diaphragm wall pouring groove, and the stability is further improved;

[0048] After the reinforcing cage 1 is placed, the inner threaded sleeve 32 is rotated, the inner threaded sleeve 32 moves downward under the threaded rotation effect, the sleeve 35 is driven to move downward by the two blocking rings 37 of the inner threaded sleeve 32, the sleeve 35 drives the turnover connecting arm 36 to overturn and move, the turnover connecting arm 36 drives the moving plate 33 to move towards the outside, and the inner wall of the diaphragm wall pouring groove is tightly supported by the arc-shaped supporting plate 34, support is realized, after the inner wall of the diaphragm wall pouring groove is tightly supported by the arc-shaped supporting plate 34, the second cone 341 is inserted into the soil foundation at the side of the diaphragm wall pouring groove, the stability is further improved, and great convenience is provided for the later pouring work;

[0049] The utility model discloses a inner support mechanism 3 is set up, and the horizontal position of a plurality of arc-shaped supporting plates 34 can be adjusted simultaneously by rotating the inner threaded sleeve 32, on the one hand, it can meet the pouring groove of most different inner diameters, on the other hand, the arc-shaped supporting plate 34 can stably support the inner wall of the pouring groove, the stability is high, and the problem of collapse can be avoided effectively.

[0050] Finally, it should be pointed out that: the above-mentioned only for the preferred embodiment of the utility model, and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement is carried out to part of technical features. Any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A device for excavating and supporting a pouring channel of a seepage control wall of a reservoir, comprising a reinforcement cage (1), a base (2), and a plurality of groups of inner support mechanisms (3) distributed equidistantly in a vertical direction, the reinforcement cage (1) comprising a plurality of longitudinal reinforcements (11) distributed equidistantly in a circumferential direction and a plurality of ring reinforcements (12) distributed equidistantly in a vertical direction, the base (2) being fixed to bottom ends of the longitudinal reinforcements (11), and the ring reinforcements (12) being fixedly connected with the longitudinal reinforcements (11), characterized in that, The inner supporting mechanism (3) comprises: a threaded column (31) fixed to the top surface of the base (2); a threaded sleeve (32) connected to the threaded column (31) by screwing; a plurality of moving plates (33) distributed at equal intervals in the circumferential direction, each having a guide sliding hole (331) through which the ring rib (12) passes; an arc-shaped supporting plate (34) fixed to one end of the moving plate (33); a sleeve (35) sleeved on the threaded sleeve (32); a flip connecting arm (36) hinged at one end to the moving plate (33) and at the other end to the sleeve (35); two stop rings (37) fixed at intervals on the threaded sleeve (32), with the sleeve (35) located between the two stop rings (37).

2. The device according to claim 1, characterized in that: The inner supporting mechanism (3) further comprises: two guide rods (38) fixed symmetrically on the ring rib (12), with the guide rods (38) penetrating the moving plate (33).

3. The device according to claim 1, characterized in that: The vertical height of the sleeve (35) is equal to the distance between the two stop rings (37).

4. The diaphragm wall trench excavating and supporting device of claim 1, wherein: The outer wall of the threaded sleeve (32) abuts against the inner wall of the sleeve (35).

5. The diaphragm wall trench excavating and supporting device of claim 1, wherein: The width of the moving plate (33) is equal to the distance between two adjacent longitudinal ribs (11).

6. The diaphragm wall trench excavating and supporting device of claim 1, wherein: The outer wall of the ring rib (12) abuts against the inner wall of the guide sliding hole (331).

7. The diaphragm wall trench excavating and supporting device of claim 1, wherein: Further comprising: a plurality of first cones (21) distributed at equal intervals in the circumferential direction and fixed to the bottom surface of the base (2).

8. The diaphragm wall trench excavating and supporting device of claim 1, wherein: Further comprising: a plurality of second cones (341) distributed at equal intervals in the vertical direction and fixed to the outer wall of the arc-shaped supporting plate (34).

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