A temporary water stop for water conservancy project construction

Abstract

The present invention belongs to the technical field of water conservancy engineering, and discloses a temporary water stop for water conservancy engineering construction, including a cement water channel and a support assembly installed on the cement water channel, and also including: a baffle assembly, which is installed on the support assembly; a fixing assembly, which is symmetrically installed at both ends of the support assembly and is used to fix the support assembly on the cement water channel when the baffle assembly moves downward. The above scheme places the support assembly on the top of the cement water channel, and rotates the threaded rod to make the sleeve drive the convex shaft and the baffle body to move downward. The convex shaft moves along the vertical groove one, the inclined groove and the vertical groove two in sequence when it moves downward. When the convex shaft moves along the inclined groove, when the baffle body moves downward to the bottom, gas is injected into the water stop belt through an air pump to make the water stop belt bulge, so that the edge of the water stop belt and the inner wall of the cement water channel are blocked, thereby solving the problem of cumbersome cleaning and ineffective water source interception caused by soil or sandbags.

Description

Technical Field

[0001] The invention belongs to the technical field of water conservancy projects, in particular to a temporary water stop for water conservancy project construction. Background Art

[0002] In agricultural production, the irrigation system plays a vital role in water delivery and irrigation, ensuring the growth needs of crops in large tracts of farmland. Among them, cement canals, as a widely used irrigation facility, improve the water delivery speed and efficiency compared to earth canals, and reduce irrigation time and labor costs. When the cement canal is damaged (due to water scouring, temperature changes, freeze-thaw cycles, soil movement and sedimentation, etc.), in order to ensure that the operator can quickly repair the canal, the operator needs to cut off the water source in the canal. At present, operators usually fill the canal with soil or sandbags to prevent the flow of water in the canal. However, although the method of adding soil can effectively intercept the water source in the canal, it will make the soil in the canal more cumbersome to clean up later. When using sandbags to intercept the canal, since a single sandbag is large and the cross-section of the canal is small, too many sandbags cannot be piled up on the same cross-section of the canal, resulting in more gaps between the sandbags, so that the water source cannot be effectively intercepted. Therefore, in order to solve the above problems, a temporary water stop for water conservancy project construction is proposed. Summary of the invention

[0003] In order to solve the problems raised in the above background technology, the present invention provides a temporary water stop for water conservancy project construction, which solves the problems of cumbersome cleaning and ineffective water interception caused by intercepting water sources in canals by means of mud or sandbags.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a temporary water stop for water conservancy project construction, comprising a cement water channel and a support assembly installed on the cement water channel, and further comprising: a baffle assembly installed on the support assembly; a fixing assembly symmetrically installed at both ends of the support assembly for fixing the support assembly on the cement water channel when the baffle assembly is moved downward;

[0005] The support assembly includes two bases placed on the top of the cement water channel, the two bases are connected by a cross bar installed on the top of the two bases, and a gap is left between the two cross bars. The two bases are respectively connected with a limit vertical rod and a threaded rod by bearings. The support assembly also includes a top plate. The top ends of the limit vertical rod and the threaded rod both penetrate the top plate and are connected to the top plate bearings. The portion of the threaded rod located above the top plate is a ring handle.

[0006] The baffle assembly includes a sleeve block movably sleeved on the limit vertical rod and a sleeve block threadedly connected to the threaded rod, a baffle body is hinged between the two sleeve blocks, the bottom end of the baffle body is located between the gaps of the two cross bars, a U-shaped groove is opened at the bottom of the baffle body, a water stop belt is installed in the U-shaped groove, and one end of the water stop belt extends to the top of the baffle body;

[0007] A stopper is symmetrically fixedly connected to the bottom of one of the cross bars and is used to contact the baffle body during the downward movement of the baffle body.

[0008] Preferably, two ends of the top plate are fixedly connected to a second spring combination rod, and one end of the base is fixedly connected to a first spring combination rod;

[0009] The fixing assembly comprises a frame, the top and bottom of the frame are respectively movably sleeved on the rod parts of the spring combination rod 2 and the spring combination rod 1, the frame is also symmetrically provided with a vertical groove 1, an inclined groove and a vertical groove 2, the top and bottom of the inclined groove are respectively connected with the bottom of the vertical groove 1 and the bottom of the vertical groove 2, and the bottom of the frame is hook-shaped and can be stuck on the outer edge of the cement water channel;

[0010] The ends of the two sleeve blocks which are away from each other are symmetrically fixed with convex shafts which can slide in the first vertical groove, the inclined groove and the second vertical groove.

[0011] Preferably, the two frames are respectively supported by the spring parts of the spring combination rod 2 and the spring combination rod 1 and have a tendency to move in opposite directions.

[0012] Preferably, an inclined block is symmetrically fixed to the middle part of the convex shaft; an elastic support block located directly below the inclined block is symmetrically and elastically connected to the middle part of the base, and the two elastic support blocks in the initial state have a tendency to move toward each other due to their own tension, and the bottom end of the elastic support block is at the same height as the bottom of the base; when the inclined block moves downward, it can squeeze the elastic support blocks to move in opposite directions.

[0013] Preferably, a plurality of through slots 1 of different lengths are equidistantly formed on the baffle body, a spring-piece combination inner plate is elastically supported inside the baffle body, a top rod is fixedly connected to one end of the top of the spring-piece combination inner plate, one end of the top rod is in contact with the water stop, and through slots 2 are equidistantly formed on the spring-piece combination inner plate;

[0014] In the initial state, the inner plate of the spring sheet assembly is supported by the spring sheet part and has a tendency to move toward the push rod, and the second through groove coincides with the inner plate of the spring sheet assembly.

[0015] Preferably, an adjustment assembly is also provided in the middle of the crossbar on which the stopper is installed; the adjustment assembly comprises a connecting block installed on the crossbar and a bending rod provided at the bottom of the connecting block, and the bending portion at the bottom of the bending rod overlaps with the bottom end of the baffle body in the vertical direction;

[0016] When the bottom of the baffle body contacts the bottom of the bending rod, the top of the baffle body is located below the cross bar;

[0017] When the baffle body descends to the bottom, a gap is left between its edge portion and the inner wall of the cement water channel.

[0018] Preferably, a connecting shaft is fixedly connected to the bottom of the connecting block, the top of the bending rod is movably sleeved outside the connecting shaft, and the bending rod can move along the axial direction of the connecting shaft;

[0019] The bottom of the connection block is magnetic, and in an initial state, the bending rod is in contact with the bottom of the connection block under the action of the magnetic force of the connection block.

[0020] Preferably, the top of the bending rod is symmetrically provided with a slot, and the bottom of the connecting block is symmetrically fixed with a pin that can be inserted into the middle of the slot.

[0021] Compared with the prior art, the present invention has the following beneficial effects:

[0022] The above scheme places the support component on the top of the cement water channel, rotates the threaded rod so that the sleeve drives the cam and the baffle body downward, and the cam moves downward along the vertical groove 1, the inclined groove and the vertical groove 2 in sequence. When the cam moves along the inclined groove, the cam forces the frame to move toward the cement water channel, and at the same time, the bottom end of the fixed component cooperates with the bottom of the base to be stuck at the edge of the cement water channel. At the same time, during the downward process of the baffle body, one side is the water-facing surface, and the other side is supported by the block to remain stable. When the baffle body descends to the bottom, gas is injected into the waterstop belt through the air pump to make the waterstop belt bulge, so that the edge of the waterstop belt and the inner wall of the cement water channel are blocked, thereby solving the problem of cumbersome cleaning and ineffective water interception caused by soil or sandbags.

[0023] In the process of the baffle body descending through the above-mentioned scheme, the water flow in the cement water channel will flow through the gap between the baffle body and the cement water channel, and will also flow through through groove 1 and groove 2, thereby reducing the impact force caused by the baffle body on the baffle body in the process of blocking the cement water channel. When the waterstop belt is inflated, the waterstop belt will squeeze the push rod and push the inner plate of the spring assembly to move through the push rod, thereby causing through groove 2 and through groove 1 to be misaligned to achieve a complete water-cutting operation on the cement water channel. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0025] Figure 2 It is a side structural plan view of the present invention;

[0026] Figure 3 It is a front cross-sectional structural schematic diagram of the present invention;

[0027] Figure 4 for Figure 3 The enlarged view of point A in the middle;

[0028] Figure 5 It is a schematic diagram of the structure of the support assembly of the present invention;

[0029] Figure 6 It is a partial cross-sectional structural schematic diagram of the baffle body of the present invention;

[0030] Figure 7 It is a front cross-sectional structural schematic diagram of the elastic support block of the present invention;

[0031] Figure 8 It is a schematic diagram of the structure of the regulating component of the present invention.

[0032] In the figure: 1. cement water channel; 2. support assembly; 21. base; 211. spring combination rod 1; 212. elastic support block; 22. cross bar; 23. top plate; 231. spring combination rod 2; 24. limit vertical rod; 25. threaded rod; 3. baffle assembly; 31. baffle body; 311. through groove 1; 312. U-shaped groove; 313. spring sheet combination inner plate; 314. top rod; 315. through groove 2; 32. sleeve block; 321. convex shaft; 322. oblique block; 33. water stop; 4. fixing assembly; 41. frame; 42. vertical groove 1; 43. oblique groove; 44. vertical groove 2; 5. adjustment assembly; 51. connecting block; 511. connecting shaft; 512. bayonet; 52. bending rod; 521. slot; 6. baffle. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0034] like Figures 1 to 8 As shown, the present invention provides a temporary water stop for water conservancy project construction, comprising a cement water channel 1 and a support assembly 2 installed on the cement water channel 1, and further comprising: a baffle assembly 3 installed on the support assembly 2; a fixing assembly 4 symmetrically installed at both ends of the support assembly 2 for fixing the support assembly 2 on the cement water channel 1 when the baffle assembly 3 moves downward;

[0035] The support assembly 2 includes two bases 21 placed on the top of the cement water channel 1. The two bases 21 are connected by a cross bar 22 installed on the top of the two bases 21, and a gap is left between the two cross bars 22. The two bases 21 are respectively connected with a limit vertical rod 24 and a threaded rod 25 by bearings. The support assembly 2 also includes a top plate 23. The top ends of the limit vertical rod 24 and the threaded rod 25 both penetrate the top plate 23 and are connected with the top plate 23 by bearings. The part of the threaded rod 25 located above the top plate 23 is a ring handle.

[0036] The baffle assembly 3 includes a sleeve block 32 movably sleeved on the limit vertical rod 24 and a sleeve block 32 threadedly connected to the threaded rod 25, a baffle body 31 is hinged between the two sleeve blocks 32, the bottom end of the baffle body 31 is located between the gaps of the two cross bars 22, a U-shaped groove 312 is opened at the bottom of the baffle body 31, a water stop 33 is installed in the U-shaped groove 312, and one end of the water stop 33 extends to the top of the baffle body 31;

[0037] A stopper 6 is symmetrically fixed to the bottom of one of the cross bars 22 and is used to contact the baffle body 31 during the downward movement of the baffle body 31;

[0038] The two ends of the top plate 23 are fixedly connected with the spring combination rod 231, and one end of the base 21 is fixedly connected with the spring combination rod 1 211; the fixing assembly 4 includes a frame 41, the top and bottom ends of the frame 41 are respectively movably sleeved on the rod parts of the spring combination rod 231 and the spring combination rod 1 211, and the frame 41 is also symmetrically provided with a vertical groove 1 42, an inclined groove 43 and a vertical groove 2 44, the top and bottom ends of the inclined groove 43 are respectively connected with the bottom of the vertical groove 1 42 and the bottom of the vertical groove 2 44, and the bottom end of the frame 41 is hook-shaped and can be stuck on the outer edge of the cement water channel 1;

[0039] The ends of the two sleeve blocks 32 that are away from each other are symmetrically fixed with convex shafts 321 that can slide in the vertical slot 1 42, the inclined slot 43 and the vertical slot 2 44. The two frames 41 are respectively supported by the spring parts of the spring combination rod 231 and the spring combination rod 1 211 and have a tendency to move in opposite directions.

[0040] By adopting the above scheme, by placing the support component 2 on the top of the cement water channel 1, rotating the threaded rod 25 so that the sleeve 32 drives the cam 321 and the baffle body 31 downward, the cam 321 will move along the vertical groove 1 42, the inclined groove 43 and the vertical groove 2 44 in sequence. When the cam 321 moves along the inclined groove 43, the cam 321 will force the frame 41 to move toward the cement water channel 1. At the same time, the bottom end of the fixing component 4 will cooperate with the bottom of the base 21 to be stuck at the edge of the cement water channel 1. At the same time, during the downward process of the baffle body 31, one side is the water-facing surface, and the other side will be supported by the block 6 to remain stable. When the baffle body 31 descends to the bottom, gas is injected into the waterstop 33 through the air pump to make the waterstop 33 bulge, so that the edge of the waterstop 33 and the inner wall of the cement water channel 1 are blocked, thereby solving the problem of cumbersome cleaning and ineffective water interception caused by soil or sandbags.

[0041] like Figure 1 , Figure 2 and Figure 5-Figure 7 As shown, the middle of the convex shaft 321 is symmetrically fixed with an inclined block 322; the middle of the base 21 is also symmetrically and elastically connected with an elastic support block 212 located directly below the inclined block 322. In the initial state, the two elastic support blocks 212 have a tendency to move toward each other under the action of their own tension, and the bottom end of the elastic support block 212 is at the same height as the bottom of the base 21.

[0042] When the inclined block 322 moves downward, it can squeeze the elastic support block 212 to move in opposite directions;

[0043] By adopting the above scheme, when the sleeve block 32 drives the baffle body 31 downward to the bottom, it also drives the inclined block 322 downward, so that the inclined blocks 322 on both sides of the sleeve block 32 respectively squeeze the two groups of elastic support blocks 212 to increase the contact length between the bottom of the base 21 and the top of the cement water channel 1, thereby achieving the effect of increasing the stability of the support assembly 2 during use.

[0044] like Figure 1-Figure 4 and Figure 6 As shown, a plurality of through slots 1 311 of different lengths are equidistantly provided on the baffle body 31, and a spring assembly inner plate 313 is elastically supported inside the baffle body 31, a top end of the spring assembly inner plate 313 is fixedly connected to a push rod 314, one end of the push rod 314 is in contact with the water stop 33, and a second through slot 315 is equidistantly provided on the spring assembly inner plate 313;

[0045] In the initial state, the spring assembly inner plate 313 is supported by the spring part and has a tendency to move toward the top rod 314, and the second through slot 315 overlaps with the spring assembly inner plate 313;

[0046] By adopting the above scheme, during the downward movement of the baffle body 31, the water flow in the cement water channel 1 will flow through the gap between the baffle body 31 and the cement water channel 1, and will also flow through the through groove 1 311 and the through groove 2 315, thereby reducing the impact force caused by the baffle body 31 on the baffle body 31 during the process of blocking the cement water channel 1. When the waterstop belt 33 is inflated, the waterstop belt 33 will squeeze the push rod 314 and push the spring assembly inner plate 313 to move through the push rod 314, thereby causing the through groove 2 315 to be misaligned with the through groove 1 311 to achieve a complete water-cutting operation on the cement water channel 1.

[0047] like Figure 1-Figure 5 and Figure 8 As shown, an adjustment assembly 5 is also provided in the middle of the cross bar 22 on which the stopper 6 is installed; the adjustment assembly 5 includes a connecting block 51 installed on the cross bar 22 and a bending rod 52 provided at the bottom of the connecting block 51, and the bending portion at the bottom of the bending rod 52 overlaps with the bottom end of the baffle body 31 in the vertical direction. When the bottom of the baffle body 31 contacts the bottom of the bending rod 52, the top end of the baffle body 31 is located below the cross bar 22;

[0048] When the baffle body 31 descends to the bottom, a gap is left between its edge and the inner wall of the cement channel 1;

[0049] By adopting the above scheme, when the bottom of the baffle body 31 contacts the bottom end of the bending rod 52, the top of the baffle body 31 is located below the cross bar 22. At this time, the baffle body 31 continues to move downward and is squeezed by the bending rod 52 to tilt, and the baffle body 31 rotates around the hinged part with the sleeve block 32. In this process, when the baffle body 31 moves downward to the bottom, the water-facing surface of the baffle body 31 will tilt. At this time, after the water stop strip 33 blocks the gap between the baffle body 31 and the cement water channel 1, the baffle body 31 is in an inclined state, so that the baffle body 31 can be more stable when the water source in the water channel is cut off and the water is stopped.

[0050] A gap is left between the edge of the baffle body 31 and the inner wall of the cement water channel 1 to ensure that the baffle body 31 can rotate when descending.

[0051] like Figure 8 As shown, a connecting shaft 511 is fixedly connected to the bottom of the connecting block 51, and the top of the bending rod 52 is movably sleeved outside the connecting shaft 511, and the bending rod 52 can move along the axial direction of the connecting shaft 511;

[0052] The bottom of the connecting block 51 is magnetic, and in the initial state, the bending rod 52 is in contact with the bottom of the connecting block 51 under the action of the magnetic force of the connecting block 51;

[0053] A slot 521 is symmetrically formed on the top of the bending rod 52, and a latch 512 that can be inserted into the middle of the slot 521 is symmetrically fixed to the bottom of the connecting block 51;

[0054] By adopting the above scheme, when the device is folded up, the operator can move the bending rod 52 downward to disengage the pin 512 from the slot 521, and then rotate the bending rod 52 180 degrees and then release the bending rod 52. At this time, the bending rod 52 will be reset upward due to its own elastic force, and the pin 512 will be stuck in the slot 521 again. Then, the connecting block 51 is rotated circumferentially again to drive the bending rod 52 to rotate, so that the bottom end of the bending rod 52 is rotated to the top of the cross bar 22, thereby completing the folding of the adjustment assembly 5.

[0055] The working principle and use process of the present invention:

[0056] First, the operator places the support assembly 2 on the top of the cement water channel 1, and rotates the threaded rod 25 to make the sleeve block 32 drive the convex shaft 321 and the baffle body 31 downward. The convex shaft 321 moves downward along the vertical groove 1 42, the inclined groove 43 and the vertical groove 2 44 in sequence. When the convex shaft 321 moves along the inclined groove 43, the convex shaft 321 forces the frame 41 to move toward the cement water channel 1. At the same time, the bottom end of the fixing assembly 4 will cooperate with the bottom of the base 21 to be stuck at the edge of the cement water channel 1. At the same time, during the downward process of the baffle body 31, one side is the water-facing surface, and the other side is supported by the block 6 to remain stable. When the baffle body 31 descends to the bottom, gas is injected into the water stop belt 33 through the air pump to make the water stop belt 33 bulge, so that the edge of the water stop belt 33 and the inner wall of the cement water channel 1 are blocked;

[0057] When the baffle body 31 is moving downward, the water in the cement water channel 1 will flow through the gap between the baffle body 31 and the cement water channel 1, and will also flow through the through groove 1 311 and the through groove 2 315, thereby reducing the impact force of the baffle body 31 on the baffle body 31 in the process of blocking the cement water channel 1. When the water stop belt 33 is inflated and bulged, the water stop belt 33 will squeeze the push rod 314 and push the spring assembly inner plate 313 to move through the push rod 314, thereby causing the through groove 2 315 to be misaligned with the through groove 1 311 to achieve a complete water-blocking operation on the cement water channel 1.

[0058] When the bottom of the baffle body 31 contacts the bottom end of the bending rod 52, the top of the baffle body 31 is located below the cross bar 22. At this time, the baffle body 31 continues to descend and is squeezed by the bending rod 52 and tilted, and the baffle body 31 rotates around the hinge with the sleeve block 32. In this process, when the baffle body 31 descends to the bottom, the water-facing surface of the baffle body 31 will tilt. At this time, after the water stop strip 33 seals the gap between the baffle body 31 and the cement canal 1, the baffle body 31 is in an inclined state, which can increase the stability of the baffle body 31 when cutting off the water source in the canal.

[0059] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0060] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A temporary water stop for water conservancy project construction, comprising a cement water channel (1) and a support assembly (2) mounted on the cement water channel (1), characterized in that: Also includes: A baffle assembly (3) mounted on the support assembly (2); A fixing assembly (4) symmetrically mounted at both ends of the supporting assembly (2) and used to fix the supporting assembly (2) on the cement channel (1) when the baffle assembly (3) moves downward; The support assembly (2) comprises two bases (21) placed on the top of the cement water channel (1), the two bases (21) are connected by a cross bar (22) installed on the top of the two bases (21), and a gap is left between the two cross bars (22). The two bases (21) are respectively connected to a limit vertical rod (24) and a threaded rod (25) by bearings. The support assembly (2) also comprises a top plate (23), the top ends of the limit vertical rod (24) and the threaded rod (25) both pass through the top plate (23) and are connected to the top plate (23) by bearings, and the portion of the threaded rod (25) located above the top plate (23) is a ring handle; The baffle assembly (3) comprises a sleeve block (32) movably sleeved on the limiting vertical rod (24) and a sleeve block (32) threadedly connected to the threaded rod (25); a baffle body (31) is hinged between the two sleeve blocks (32); the bottom end of the baffle body (31) is located between the gaps of the two cross bars (22); a U-shaped groove (312) is provided at the bottom of the baffle body (31); a water stop strip (33) is installed in the U-shaped groove (312); one end of the water stop strip (33) extends to the top of the baffle body (31); A stopper (6) is symmetrically fixed to the bottom of one of the cross bars (22) and is used to contact the baffle body (31) during the downward movement of the baffle body (31); The two ends of the top plate (23) are fixedly connected to a second spring combination rod (231), and one end of the base (21) is fixedly connected to a first spring combination rod (211); The fixing assembly (4) comprises a frame (41), the top and bottom of the frame (41) are movably mounted on the rod parts of the second spring combination rod (231) and the first spring combination rod (211), respectively; the frame (41) is also symmetrically provided with a first vertical groove (42), an inclined groove (43) and a second vertical groove (44); the top and bottom of the inclined groove (43) are respectively connected to the bottom of the first vertical groove (42) and the bottom of the second vertical groove (44); the bottom of the frame (41) is hook-shaped and can be clamped on the outer edge of the cement water channel (1); The ends of the two sleeve blocks (32) that are away from each other are symmetrically fixed with convex shafts (321) that can slide in the first vertical groove (42), the inclined groove (43) and the second vertical groove (44); The two frames (41) are respectively supported by the spring parts of the second spring combination rod (231) and the first spring combination rod (211) and have a tendency to move in opposite directions; An inclined block (322) is symmetrically fixedly connected to the middle of the convex shaft (321); The middle part of the base (21) is also symmetrically and elastically connected to an elastic support block (212) located directly below the inclined block (322); in an initial state, the two elastic support blocks (212) have a tendency to move towards each other due to their own pulling force, and the bottom end of the elastic support block (212) is at the same height as the bottom of the base (21); When the inclined block (322) moves downward, it can squeeze the elastic support block (212) to move in opposite directions; The baffle body (31) is provided with a plurality of through slots (311) of different lengths at equal intervals. A spring assembly inner plate (313) is elastically supported inside the baffle body (31). A top end of the spring assembly inner plate (313) is fixedly connected to a push rod (314). One end of the push rod (314) is in contact with the water stop strip (33). The spring assembly inner plate (313) is also provided with through slots (315) at equal intervals. In the initial state, the spring assembly inner plate (313) is supported by its spring portion and has a tendency to move toward the push rod (314), and the second through groove (315) overlaps with the spring assembly inner plate (313).

2. The temporary water stop for water conservancy project construction according to claim 1 is characterized in that: An adjustment assembly (5) is also provided in the middle of the crossbar (22) on which the stopper (6) is installed; The adjustment assembly (5) comprises a connection block (51) mounted on the crossbar (22) and a bending rod (52) arranged at the bottom of the connection block (51), wherein a bending portion at the bottom of the bending rod (52) overlaps with the bottom end of the baffle body (31) in a vertical direction; When the bottom of the baffle body (31) contacts the bottom of the bending rod (52), the top of the baffle body (31) is located below the cross bar (22); When the baffle body (31) descends to the bottom, a gap is left between its edge portion and the inner wall of the cement water channel (1).

3. The temporary water stop for water conservancy project construction according to claim 2 is characterized in that: A connecting shaft (511) is fixedly connected to the bottom of the connecting block (51), and the top of the bending rod (52) is movably sleeved outside the connecting shaft (511), and the bending rod (52) can move along the axial direction of the connecting shaft (511); The bottom of the connection block (51) is magnetic, and in an initial state, the bending rod (52) is in contact with the bottom of the connection block (51) under the action of the magnetic force of the connection block (51).

4. The temporary water stop for water conservancy project construction according to claim 3 is characterized in that: The top of the bending rod (52) is also symmetrically provided with a slot (521), and the bottom of the connecting block (51) is also symmetrically fixed with a latch pin (512) that can be latched into the middle of the slot (521).

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