Anti-collapse cofferdam for water conservancy construction

Abstract

The utility model relates to the technical field of cofferdam plates, and discloses a water conservancy construction anti-collapse cofferdam which comprises a cofferdam plate, a plurality of long fixing inserting rods are fixedly arranged on the bottom side of the cofferdam plate, a plurality of irregular flow guide blocks are fixedly arranged on the front side of the cofferdam plate, and a sliding groove is fixedly formed in the middle of the rear side of the cofferdam plate. Connecting grooves are formed in the two sides of the rear side of the cofferdam plate, stress adjusting mechanisms are arranged on the inner sides of the sliding grooves, connecting supporting mechanisms are fixedly arranged on the inner sides of the connecting grooves, the stress adjusting mechanisms comprise grooving fixing plates and sliding plates, and the connecting supporting mechanisms comprise limiting frames. According to the cofferdam, the stress adjusting mechanism changes the supporting angle of the long-strip supporting plate to the rear side of the cofferdam plate, so that the supporting angle of the long-strip supporting plate is consistent with the water flow height of the upstream face, and the supporting effect is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to cofferdam plate technical field, concretely relates to a water conservancy construction anti-collapse cofferdam. BACKGROUND

[0002] Cofferdam plate is a kind of temporary impervious structure in water conservancy engineering and infrastructure, its main function is to surround foundation pit construction area, by isolating water and soil, so as to drain in cofferdam, excavate foundation pit and build structure, itself has high strength, good waterproof performance, easy to construction and other characteristics, therefore, it is widely used in bridge construction, hydraulic construction and other fields, is the important component indispensable in water conservancy engineering and infrastructure;

[0003] The existing anti-collapse cofferdam plate generally uses more support rods to support the backwater surface of cofferdam plate, and the support rods are reinforced again, but this way, it is usually difficult to support the place where the water surface impact of cofferdam plate is large, and it is difficult to replace the support point after the support is completed, and the connecting portion of the two cofferdam plates is subjected to greater pressure after being connected by the connecting mechanism, so additional reinforcement is required, which is time-consuming and laborious. UTILITY MODEL CONTENTS

[0004] The utility model discloses a water conservancy construction anti-collapse cofferdam, through stress adjusting mechanism, the support angle of long strip support plate to the back side of cofferdam plate is adjusted, makes the support angle of long strip support plate and the water flow height of water surface consistent, improves support effect, through connecting support mechanism, after the connection of two cofferdam plates is completed, the connecting portion of cofferdam plate is supported, and the support strength of the connecting portion of the back side of cofferdam plate after connection is improved.

[0005] The utility model realizes the above-mentioned purpose through the following technical scheme:

[0006] A water conservancy construction anti-collapse cofferdam, including: cofferdam plate, the cofferdam plate bottom side is fixedly provided with a plurality of long fixed insertion rods, the cofferdam plate front side is fixedly provided with a plurality of irregular flow guide blocks, the cofferdam plate rear side middle is fixedly provided with sliding groove, the cofferdam plate rear side both sides are provided with connecting groove;

[0007] The inner side of sliding groove is provided with stress adjusting mechanism, and the inner side of connecting groove is fixedly provided with connecting support mechanism, the stress adjusting mechanism includes slotted fixed plate and sliding plate, the connecting support mechanism includes limiting frame, the sliding plate is slidably arranged in the inner side of sliding groove, and the limiting frame is clamped in the two connecting grooves of the butt joint of two cofferdam plates.

[0008] Further, the short fixed insertion rod is fixedly arranged around the bottom side of the slotted fixed plate, a plurality of through holes are arranged on the front side of the slotted fixed plate, a placing hole is fixedly arranged on the rear side of the slotted fixed plate, a screw thread is arranged on the inner side of the through hole, and a hinged support base is slidably arranged on the inner side of the slotted fixed plate.

[0009] Further, the fixed bolt is sleeved with a screw thread on the inner side of the through hole, the fixed bolt extends to the inner side of the slotted fixed plate, a limiting rod is arranged on the inner side of the rear side of the plurality of through holes, and the placing hole is slightly smaller than the through hole.

[0010] Further, the long support plate is fixedly arranged on the both sides of the sliding plate, and the hinged connecting plate is hingedly arranged between the sliding plate and the slotted fixed plate.

[0011] Further, a plurality of limiting bolts are sleeved with screw threads on the both sides of the limiting frame, a support tripod is clampedly arranged on the inner side of the limiting frame, and the bottom side of the support tripod is flush with the force adjusting mechanism.

[0012] Further, the irregular flow guide block is in the shape of a rectangle with one side missing, and the front side edge of the irregular flow guide block is arranged in an inclined manner.

[0013] Further, the length of the connecting groove is consistent with the length of the sliding groove, and the width of the connecting groove is smaller than the width of the sliding groove.

[0014] Further, the bottom side of the long fixed insertion rod is in the shape of a V.

[0015] With the above structure, in use, first, the long fixed insertion rod on the bottom side of the cofferdam plate is inserted into the ground to preliminarily place and fix the cofferdam plate, then the short fixed insertion rod on the bottom side of the slotted fixed plate is inserted into the ground in the same way as the long fixed insertion rod to fix the position of the slotted fixed plate, then the height of the water flow is observed, the fixing bolt and the limiting rod are removed from the inside of the through hole, at this time, the hinged support base can slide freely inside the slotted fixed plate, and the sliding plate slides in the sliding groove through the hinged connecting plate on the top side, the hinged support base slides to the rear side when the water flow surface is low, and the hinged support base slides to the front side when the water flow surface is high, when the long strip support plates on both sides of the sliding plate are flush with the water flow surface, the hinged support base is preliminarily limited by the fixing bolt so as to be unable to continue to move, then the limiting rod is clamped inside the through hole on the rear side of the hinged support base to complete the fixing of the hinged support base with the fixing bolt, when two cofferdam plates need to be connected together, first, the two cofferdam plates are approached, then the protrusions on the rear side of the limiting frame in the connecting support mechanism are clamped inside the two connecting grooves at the abutting position of the two cofferdam plates, then the support tripod is clamped inside the limiting frame, and finally the position of the support tripod is fixed by using the limiting bolt, after the connection of the two cofferdam plates is completed, the cofferdam plates are supported by the bottom edge of the support tripod in cooperation with the stress adjusting mechanism to improve the strength of the cofferdam plates.

[0016] In summary, the beneficial effects of the utility model lie in that the height of the long strip support plate is adjusted by the stress adjusting mechanism to support the other side of the water-facing surface of the cofferdam plate, improve the support strength of the cofferdam plate, and prevent collapse.

[0017] When two cofferdam plates need to be connected, the rear side of the connecting position of the two cofferdam plates is connected by the connecting support mechanism, and the cofferdam plates are supported by the stress adjusting mechanism at the same time to improve the stress strength of the water-facing surface of the cofferdam plate, reduce the pressure at the connecting position, cooperate with the irregular flow guide block to differentiate the force of the water flow, disperse large waves into small waves, weaken the impact force of the water flow on the water-facing surface of the cofferdam plate, and reduce the pressure of the cofferdam plate. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the following embodiment or prior art description will be briefly introduced, and obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor.

[0019] Figure 1 It is the front view of the utility model;

[0020] Figure 2 It is the side view close to the irregular flow guide block shaft of the utility model;

[0021] Figure 3 is the shaft side view of the fixed plate close to the slot of the utility model;

[0022] Figure 4 is the shaft side view of the short fixed plug rod close to the utility model;

[0023] Figure 5 is the shaft side view of the utility model not completely installed.

[0024] The figure mark is explained as follows:

[0025] 1, cofferdam plate;2, irregular flow guide block;3, long fixed plug rod;4, stress adjusting mechanism;401, fixed plate with slot;402, short fixed plug rod;403, through hole;404, placing hole;405, fixed bolt;406, limiting rod;407, hinged support base;408, hinged connecting plate;409, sliding plate;410, long strip support plate;5, connecting support mechanism;501, support tripod;502, limiting frame;503, limiting bolt;6, connecting groove;7, sliding groove. Specific implementation

[0026] In order to make the purpose, technical scheme and advantage of the utility model more clear, the technical scheme of the utility model will be described in detail below. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all the embodiments. Based on the embodiment in the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor belong to the scope protected by the utility model.

[0027] Referring to Figures 1-3 As shown in the utility model provides a kind of water conservancy construction anti-collapse cofferdam, it include: cofferdam plate 1, the cofferdam plate 1 bottom side is fixedly provided with several long fixed plug rods 3, the cofferdam plate 1 front side is fixedly provided with multiple irregular flow guide blocks 2, the cofferdam plate 1 rear side middle is fixedly provided with sliding groove 7, the cofferdam plate 1 rear side both sides are provided with connecting groove 6, the irregular flow guide block 2 is overall two sides lack a piece of rectangle, and the front side edge of irregular flow guide block 2 is inclinedly arranged, the length of two The connecting groove 6 and sliding groove 7 length are consistent, and the width of two The connecting groove 6 is less than sliding groove 7, the long fixed plug rod 3 bottom side is V-shaped, the sliding groove 7 inside is provided with stress adjusting mechanism 4, the connecting groove 6 inside is fixedly provided with connecting support mechanism 5;

[0028] The technical scheme is adopted, in use, the staff first ensures that the long fixed insertion rod 3 at the bottom side of the cofferdam plate 1 is inserted into the specified position, then uses the stress adjusting mechanism 4 to align the height of the water flow surface, supports the cofferdam plate 1, simultaneously reinforces and supports the back side where the water flow comes from, improves the strength of the cofferdam plate 1, the irregular flow guide blocks 2 arranged on the water-facing surface of the cofferdam plate 1 differentiate the water waves coming from the flow into multiple small water waves through the inclined surface at the front side of the irregular flow guide blocks 2, thereby weakening the impact force of the water flow on the cofferdam plate 1, avoiding the collapse of the cofferdam plate 1, the connecting support mechanism 5 is clamped at the two connecting grooves 6 at the connection positions of the two cofferdam plates 1, and the two cofferdam plates 1 are connected together, and the cofferdam plate 1 can also be supported, the strength of the cofferdam plate 1 is improved, and collapse is prevented, and the bottom side of the long fixed insertion rod 3 is arranged in a V shape, facilitating the insertion of the cofferdam plate 1 into the ground.

[0029] Referring to Figures 1-3 As shown in the figure, the stress adjusting mechanism 4 comprises a slotted fixed plate 401 and a sliding plate 409, the sliding plate 409 is slidingly arranged inside the sliding groove 7, the limiting frame 502 is clamped inside the two connecting grooves 6 at the butt joint positions of the two cofferdam plates 1, the slotted fixed plate 401 is fixedly provided with a short fixed insertion rod 402 around the bottom side, a plurality of through holes 403 are arranged on the front sides of the slotted fixed plate 401, a placing hole 404 is fixedly arranged on the rear side of the slotted fixed plate 401, and threads are arranged inside the through holes 403;

[0030] In use, the slotted fixed plate 401 is fixed by the short fixed insertion rod 402 inserted into the ground, the sliding plate 409 slides in the sliding groove 7 arranged on the rear side of the cofferdam plate 1, four through holes 403 are arranged on the front sides of the slotted fixed plate 401, and one placing hole 404 is arranged on the rear side, and the through hole 403 is slightly larger than the placing hole 404.

[0031] Referring to Figures 1-3 As shown in the figure, the slotted fixed plate 401 is slidingly arranged with a hinged support base 407 inside, the through hole 403 is threadedly sleeved with a fixed bolt 405, the fixed bolt 405 extends to the inside of the slotted fixed plate 401, a limiting rod 406 is arranged on the inside of the rear side of the through hole 403, the placing hole 404 is slightly smaller than the through hole 403, a long strip support plate 410 is fixedly arranged on the two sides of the sliding plate 409, and a hinged connecting plate 408 is hingedly arranged between the sliding plate 409 and the slotted fixed plate 401.

[0032] With the above embodiment, the fixing bolt 405 is used to be clamped inside the through hole 403, and the hinged support base 407 sliding inside the slotted fixed plate 401 is fixed, and the fixing bolt 405 can only rotate in the four through holes 403, the limiting rod 406 is slightly smaller than the through hole 403, and can be clamped inside the through hole 403 without affecting the thread, when the hinged support base 407 is limited by the fixing bolt 405, the limiting rod 406 is penetrated in the next through hole 403 inside the fixing threaded clamping hinged support base 407, and the fixing bolt 405 is further limited to hinged support base 407, so that it cannot continue to move, and when the hinged support base 407 moves, the sliding plate 409 will be pulled down or pushed up through the hinged connecting plate 408 to complete the height adjustment of the long supporting plate 410 of different water surface height, improve the supporting strength of the cofferdam plate 1, and avoid collapse.

[0033] Referring to Figures 1-3 As shown, the connecting support mechanism 5 includes a limiting frame 502, a plurality of limiting bolts 503 are threadedly sleeved on both sides of the limiting frame 502, and a supporting tripod 501 is clamped and arranged inside the limiting frame 502.

[0034] In use, the front side of the limiting frame 502 has protrusions on both sides, which are equal in size to the recesses of the connecting recess 6, and are clamped inside the connecting recess 6. At the same time, the supporting tripod 501 is fixed by the limiting bolt 503, so that the supporting tripod 501 cannot move. At this time, the bottom side of the supporting tripod 501 is in contact with the ground, supporting the cofferdam plate 1. In combination with the stress adjusting mechanism 4, the cofferdam plate 1 is supported multiple times, improving the strength of the cofferdam plate 1 and avoiding collapse to affect the construction progress.

[0035] With the above structure, in use, first, the long fixed insertion rod 3 at the bottom side of the cofferdam plate 1 is inserted into the ground, the cofferdam plate 1 is preliminarily placed and fixed, then the short fixed insertion rod 402 at the bottom side of the slotted fixed plate 401 in the stress adjusting mechanism 4 is inserted into the ground in the same way as the long fixed insertion rod 3, the position of the slotted fixed plate 401 is fixed, then the height of the water flow is observed, the fixed bolt 405 and the limiting rod 406 are removed from the inside of the through hole 403, at this time the hinged support base 407 can slide freely inside the slotted fixed plate 401, and the sliding plate 409 slides in the sliding groove 7 through the hinged connecting plate 408 at the top side, the water flow surface slides the hinged support base 407 to the rear side, the water flow surface is high and the hinged support base 407 slides to the front side, when the long strip support plate 410 on both sides of the sliding plate 409 is flush with the water flow surface, the hinged support base 407 is preliminarily limited by the fixed bolt 405 so that it cannot continue to move, then the limiting rod 406 is clamped inside the through hole 403 at the rear side of the hinged support base 407, and the fixed bolt 405 is used to complete the fixation of the hinged support base 407, when two cofferdam plates 1 need to be connected together, first, the two cofferdam plates 1 are approached, then the protrusions at the rear side of the limiting frame 502 in the connecting support mechanism 5 are clamped in the two connecting grooves 6 at the abutted position of the two cofferdam plates 1, then the support tripod 501 is clamped inside the limiting frame 502, finally the position of the support tripod 501 is fixed by using the limiting bolt 503, after the connection of the two cofferdam plates 1 is completed, the cofferdam plate 1 is supported by the bottom edge of the support tripod 501 in cooperation with the stress adjusting mechanism 4, and the strength of the cofferdam plate 1 is improved.

[0036] The above merely describes a specific implementation of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art can easily think of changes or replacements within the technical range disclosed by the present application, which shall be covered within the protection scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. A water conservancy construction anti-collapse cofferdam, characterized in that, Include: The cofferdam plate (1) is fixedly provided with a plurality of long fixed insertion rods (3) on the bottom side, a plurality of irregular flow guide blocks (2) are fixedly arranged on the front side of the cofferdam plate (1), a sliding groove (7) is fixedly arranged in the middle of the rear side of the cofferdam plate (1), and a connecting groove (6) is arranged on both sides of the rear side of the cofferdam plate (1). The inner side of the sliding groove (7) is provided with a stress adjusting mechanism (4), and the inner side of the connecting groove (6) is fixedly provided with a connecting support mechanism (5). The stress adjusting mechanism (4) comprises a slotted fixed plate (401) and a sliding plate (409), the connecting support mechanism (5) comprises a limiting frame (502), the sliding plate (409) is slidingly arranged in the inner side of the sliding groove (7), and the limiting frame (502) is clamped in the two connecting grooves (6) at the abutting position of the two cofferdam plates (1).

2. The anti-collapse cofferdam for water conservancy construction according to claim 1, characterized in that: The short fixed insertion rod (402) is fixedly arranged on the bottom side of the slotted fixed plate (401), a plurality of through holes (403) are arranged on the two sides of the slotted fixed plate (401), a placing hole (404) is fixedly arranged on the two sides of the slotted fixed plate (401), the inner side of the through hole (403) is provided with a thread, and the inner side of the slotted fixed plate (401) is slidingly provided with a hinged support base (407).

3. The anti-collapse cofferdam for water conservancy construction according to claim 2, characterized in that: The inner side of the through hole (403) is provided with a fixed bolt (405), and the fixed bolt (405) extends to the inner side of the slotted fixed plate (401). The rear inner side of the plurality of through holes (403) is provided with a limiting rod (406), and the placing hole (404) is slightly smaller than the through hole (403).

4. The anti-collapse cofferdam for hydraulic construction of claim 1, wherein: The sliding plate (409) is fixedly provided with a long strip support plate (410) on the two sides, and a hinged connecting plate (408) is hingedly arranged between the sliding plate (409) and the slotted fixed plate (401).

5. The anti-collapse cofferdam for hydraulic construction of claim 1, wherein: The limiting frame (502) is provided with a plurality of limiting bolts (503) on the two sides, and a supporting tripod (501) is clamped on the inner side of the limiting frame (502). The bottom side of the supporting tripod (501) is flush with the stress adjusting mechanism (4).

6. The anti-collapse cofferdam for hydraulic construction of claim 1, wherein: The irregular flow guide block (2) is a rectangle with one side missing, and the front edge of the irregular flow guide block (2) is inclined.

7. The anti-collapse cofferdam for hydraulic construction of claim 1, wherein: The length of the two connecting grooves (6) is consistent with the length of the sliding groove (7), and the width of the two connecting grooves (6) is less than the width of the sliding groove (7).

8. The anti-collapse cofferdam for hydraulic construction of claim 1, wherein: The bottom side of the long fixed insertion rod (3) is V-shaped.

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