Water gate piezometric tube repairing device for small working face

Abstract

The utility model provides a water gate piezometric tube repairing device for a small working face, which belongs to the technical field of piezometric tube repairing and comprises a vertically arranged supporting leg pile, the bottom end of the supporting leg pile is connected with a base, and the base is detachably connected with a gate pier; the mounting seat is in sliding connection with the supporting leg pile and can vertically slide on the supporting leg pile; the drilling machine main body is connected with the mounting seat; the drilling machine body is in driving connection with a drill rod used for dredging the pressure measuring pipe. Large equipment such as a pipeline dredger is replaced by the supporting leg piles, the fixed seat, the driving piece arranged on the fixed seat and the drill rod, so that the occupied space when the pressure measuring pipe is cleaned is reduced, the problems that the space is narrow and operation is inconvenient when the pressure measuring pipe on the gate pier is cleaned are solved, and construction is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of piezometer pipe repair, in particular to a repair device for a sluice piezometer pipe used for a small working surface. Background Art

[0002] Monitoring and analyzing the uplift pressure of a sluice is a key content in the safety monitoring of sluices and also a key indicator for measuring the safety of sluice facilities. At present, the monitoring of the uplift pressure of sluices usually adopts the principle of burying piezometer pipes to monitor the water level in the pipes. Among the sluices that are currently in normal use, the situation where piezometer pipes do not meet the specification requirements is still widespread. For example, some sluices are pre-buried with piezometer pipes during design, and in some sluices, the piezometer pipes are blocked due to concrete falling into the piezometer pipes during construction because of inadequate protection measures. There are also some piezometer pipes during operation, where the pipe caps of the piezometer pipes are lost, causing sediment and other sundries to fall in and cause blockage, or strong rainfall flushes gravel and soil into the piezometer pipes and causes blockage, etc.

[0003] For the cleaning and repair of piezometer pipes in water conservancy projects, for projects with a relatively large working surface, large-lift and small-flow submersible pumps, air compressors, and pipe dredgers are often used in combination. However, during the cleaning process of sluice piezometer pipes, the situation where concrete falls into the piezometer pipes and causes blockage often occurs. The current equipment is difficult to meet the repair needs, and the construction space above the sluice is small, making it difficult to support drilling equipment with a relatively large volume. Therefore, it is still necessary to improve the current piezometer pipe repair device to adapt to the repair or new construction conditions of piezometer pipes on the small working surface of the sluice pier. Content of the Utility Model

[0004] In order to solve the problems existing in the above-mentioned prior art, a repair device for a sluice piezometer pipe used for a small working surface is proposed. The technical solution for the utility model to solve the technical problem is: a repair device for a sluice piezometer pipe used for a small working surface, including: a vertically arranged support foot pile, the bottom end of the support foot pile is connected to a base, and the base is detachably connected to the sluice pier; a mounting seat, the mounting seat is slidably connected to the support foot pile and can slide vertically on the support foot pile; a drilling machine main body, the drilling machine main body is connected to the mounting seat; the drilling machine main body is drivingly connected with a drill rod for dredging the piezometer pipe.

[0005] Preferably, a vertical through hole is opened on the mounting seat, and a driving gear is rotatably connected in the vertical through hole; a vertical rack is fixedly connected to the side wall of the support foot pile, and the driving gear cooperates with the vertical rack to drive the mounting seat to slide vertically along the support foot pile.

[0006] Preferably, a rotating handle is connected to the driving gear, and the rotation of the rotating handle can drive the driving gear to rotate.

[0007] Preferably, a sliding block for guiding is fixedly connected to the inner wall of the mounting seat; a sliding groove is opened on the side wall of the support foot pile, and the sliding block can slide vertically in the sliding groove.

[0008] Preferably, mounting holes are formed in the bottom of the supporting foot piles, expansion bolts are installed in the mounting holes, and the expansion bolts are fixed on the pier.

[0009] Preferably, at least one group of parallel guardrails are arranged on the pier, a bottom cross brace is arranged at the bottom of the guardrail, and there is an installation space between the bottom cross brace and the top of the pier.

[0010] Preferably, the supporting foot piles are installed on the pier through a fixing assembly; the fixing assembly includes a pressing plate, both ends of the pressing plate penetrate through the installation space, the pressing plate is connected to at least two groups of tightening assemblies, and the tightening assemblies can tighten the top of the pressing plate against the bottom of the bottom cross brace; two fixing blocks are slidably connected to the pressing plate, and fixing bolts are threadedly connected to the fixing blocks, and the fixing bolts can press the bottom plate of the supporting foot pile against the pier.

[0011] Preferably, the tightening assembly is a tightening bolt, and the tightening bolt is threadedly connected to the pressing plate.

[0012] Preferably, the tightening assembly includes a positive and negative thread sleeve, a positive thread bolt is threadedly connected to the top of the positive and negative thread sleeve, and a reverse thread bolt is threadedly connected to the bottom of the positive and negative thread sleeve; the top of the positive thread bolt abuts against the bottom surface of the pressing plate, and the bottom of the reverse thread bolt abuts against the pier.

[0013] Preferably, positioning holes are formed in the base, a baffle is fixed in the middle of the fixing bolt, the bottom of the fixing bolt can cooperate with the positioning holes, and the supporting foot pile is pressed through the baffle.

[0014] Preferably, a plurality of threaded tightening holes are formed in the pressing plate along the length direction, and the tightening bolts are installed in the threaded tightening holes inside the guardrail according to the distance between the guardrails.

[0015] Compared with the prior art, the above technical solution has the following advantages or beneficial effects:

[0016] 1. The utility model replaces large equipment such as pipeline dredging machines with supporting foot piles, fixed seats, driving parts and drill pipes arranged on the fixed seats, reduces the space occupied during the cleaning of piezometers, solves the problem of narrow space and inconvenient operation during the cleaning of piezometers on the pier, and facilitates construction.

[0017] 2. The utility model fixes the pressing plate by pressing the pressing plate against the bottom of the guardrail, and then presses the supporting foot pile against the pier, realizing zero-drilling fixing, reducing the damage to the pier, and at the same time facilitating installation and disassembly, so that rapid construction can also be carried out on small working surfaces such as piers. Description of the Drawings

[0018] The attached drawings forming a part of the present utility model are used to provide a further understanding of the present utility model. The schematic embodiments of the present utility model and their descriptions are used to explain the present utility model and do not constitute an improper limitation to the present utility model.

[0019] Figure 1 This is a schematic structural view of the present utility model installed on the pier.

[0020] Figure 2 This is a front view of the present utility model installed on the pier.

[0021] Figure 3 This is a schematic structural view of the repair device.

[0022] Figure 4 This is a side view of the repair device.

[0023] Figure 5 This is a cross-sectional view of the repair device.

[0024] Figure 6 This is a top view of the repair device.

[0025] Figure 7 This is a schematic structural view of the fixing bolt.

[0026] Figure 8 This is a schematic structural view of the pressing plate of the mounting fixing block.

[0027] Figure 9 This is a schematic view of the jacking assembly in Embodiment III.

[0028] Explanation of reference numerals:

[0029] 1, pier; 2, guardrail; 21, bottom cross brace; 3, mounting base; 31, rotary handle; 32, drive gear; 33, sliding block; 34, vertical through hole; 4, support foot pile; 41, vertical rack; 42, base; 43, positioning hole; 44, chute; 5, drilling rig main body; 6, drill pipe; 7, fixing assembly; 71, pressing plate; 72, jacking bolt; 73, fixing bolt, 74, fixing block; 75, baffle; 76, threaded jacking hole; 77, positive and negative thread sleeve; 78, positive thread bolt; 79, negative thread bolt; 8, piezometer hole. Detailed description of the embodiments

[0030] The following is a detailed description of the embodiments of the present utility model. The examples of the embodiments are shown in the drawings, where the same or similar reference numerals represent the same or similar elements or elements with the same or similar functions from beginning to end. The embodiments described below with reference to the drawings are exemplary and are intended to explain the present utility model and should not be construed as a limitation of the present utility model.

[0031] Embodiment I:

[0032] Reference Figures 1-8, in view of the problem that it is inconvenient to repair piezometers on small working surfaces such as pier 1, this embodiment proposes a sluice piezometer repair device for small working surfaces, including vertically arranged support foot piles 4. The bottom end of the support foot piles 4 is connected to a base 42, and the base 42 is detachably connected to the pier 1. In this embodiment, it is connected by expansion bolts; an installation seat 3 is slidably connected to the support foot piles 4. A vertical through hole 34 is opened on the installation seat 3, and a driving gear 32 is rotatably connected in the vertical through hole 34; a rotating handle 31 is connected to the driving gear 32, and the rotation of the rotating handle 31 can drive the driving gear 32 to rotate. A vertical rack 41 is fixedly connected to the side wall of the support foot piles 4, and the driving gear 32 cooperates with the vertical rack 41 to drive the installation seat 3 to slide vertically along the support foot piles 4. A sliding block 33 for guiding is fixedly connected to the inner wall of the installation seat 3; a chute 44 is opened on the side wall of the support foot piles 4, and the sliding block 33 can slide vertically in the chute 44.

[0033] A drilling rig main body 5 is connected to the installation seat 3, and the drilling rig main body 5 is connected to the installation seat 3; the drilling rig main body 5 is drivingly connected to a drill pipe 6 for dredging the piezometer.

[0034] In this embodiment, an installation hole is opened at the bottom of the support foot piles 4, and the repair device is fixed by drilling a hole in the pier 1 and driving an expansion bolt into the hole.

[0035] Usage method:

[0036] First, drill a hole in the pier 1, fix the support foot piles 4 to the pier 1 through expansion bolts. First, install the drill bit at the bottom of the drill pipe 6, rotate the rotating handle 31, adjust the installation seat 3 to an appropriate height, start the drilling rig main body 5, the drill bit extends into the piezometer hole 8, break the blockage in the piezometer, then rotate the rotating handle 31 to lift the installation seat 3, replace the drill bit with a steel wire cleaning head, use the special steel wire cleaning head to dredge the blockage at the water inlet of the horizontal section of the sectional piezometer or the water permeable section inlet hole of the straight piezometer, and then rinse with pressured water to repair the water permeability of the piezometer.

[0037] Embodiment Two:

[0038] Continue to refer to the appendix Figures 1-8 , other parts are the same as those in Embodiment One. The difference is that in Embodiment One, the repair device is detachably connected by expansion bolts, which requires drilling holes in the pier 1, and the expansion bolts will remain in the pier after construction, which may change the structure of the pier 1; therefore, in this embodiment, a fixing component 7 is used to fix the repair device, and the following is a detailed description:

[0039] Generally, guardrails 2 are installed around the general pier. According to this characteristic, a fixing component 7 fixed through the guardrail is designed. The fixing component 7 for installing the repair device on the pier 1 includes a pressing plate 71. The length of the pressing plate 71 is greater than the distance between the opposite guardrails 2. Two tightening components are connected to the pressing plate 71 on the inner side of the guardrail 2. The tightening components can tightly press the top of the pressing plate 71 against the bottom of the bottom cross brace 21. In this embodiment, the tightening component is a tightening bolt 72, and the tightening bolt 72 is threadedly connected to the pressing plate 71; two fixing blocks 74 are slidably connected to the pressing plate 71, and a fixing bolt 73 is threadedly connected to the fixing block 74. The fixing bolt 73 can press the bottom plate of the support foot pile 4 against the pier 1.

[0040] Since there may be a risk of the fixed foot pile sliding when only fixing the support foot pile 4 by tightening, a positioning hole 43 is opened on the base 42, and a baffle 75 is arranged in the middle of the fixing bolt 73. The bottom of the fixing bolt 73 can cooperate with the positioning hole 43 to press the support foot pile 4 through the baffle 75.

[0041] In this embodiment, a plurality of threaded tightening holes 76 are opened along the length direction of the pressing plate 71, which is convenient for applying the fixing component 7 to piers 1 with different widths. According to the distance between the guardrails 2, the tightening bolts 72 are installed into the threaded holes on the inner side of the guardrail 2.

[0042] Usage method:

[0043] First, place the repair device at an appropriate position according to the piezometer hole 8. Place the pressing plate 71 on the repair device, select a suitable threaded tightening hole 76, install the tightening bolt 72 to tightly press the pressing plate 71 against the bottom of the guardrail 2, then slide the fixing block 74 onto the bottom plate of the support foot pile 4, align it with the position of the positioning hole 43, install the fixing bolt 73, and press the support foot pile 4 to fix the support foot pile 4 to the pier 1 for piezometer repair.

[0044] Embodiment Three:

[0045] Reference Figures 1-9 ., and other parts are the same as those in Embodiment Two. The difference is that: the tightening component in this embodiment includes a positive and negative thread sleeve 77. The top of the positive and negative thread sleeve 77 is threadedly connected to a positive thread bolt 78, and the bottom of the positive and negative thread sleeve 77 is threadedly connected to a negative thread bolt 79; the top of the positive thread bolt 78 abuts against the bottom surface of the pressing plate 71, and the bottom of the negative thread bolt 79 abuts against the pier 1.

[0046] Piezometer repair steps:

[0047] 1. Consult the sluice design drawings: clarify the design requirements of the piezometer according to the construction drawings, such as: piezometer structure, layout of the water inlet section and the water diversion section, pipe depth, piezometer production materials and filter materials, etc.

[0048] 2. Measuring the depth of the piezometer tube: Use a depth sounder to measure the actual depth of the piezometer tube, and then compare it with the designed depth in the construction to preliminarily determine the siltation depth.

[0049] 3. Cleaning the piezometer tube: Use a submersible pump with a large head and small flow rate, an air compressor, and a pipeline dredging machine in combination.

[0050] ① The water pump (h≥150m, Q≥3m3 / h) is connected to a D20 galvanized steel pipe through a high-pressure hose. The lower pipe section of the galvanized steel pipe is drilled with φ6mm water-permeable holes, 6 holes in a circle, with a spacing of 50mm, staggered in a plum blossom shape. The bottom of the galvanized steel pipe is pressed into a "duck bill" shape with a 5mm opening.

[0051] ② The 1.6MPa air compressor is connected to a high-pressure flexible air pipe, which is about 300mm shorter than the galvanized steel pipe and fixed on the surface of the galvanized steel pipe. The pressure of the air supply pipe depends on the siltation situation in the pipe, generally controlled at 0.005 - 0.010MPa.

[0052] ③ The steel pipe is directly inserted into the piezometer tube, and the bottom of the steel pipe is controlled to be about 0.3m away from the siltation surface to ensure the flow rate of the water overflowing from the piezometer tube and the safety of the pipe body. After starting the pump, the steel pipe is pulled up and down to make the high-pressure water flow at the "duck bill" of the steel pipe impact the silt in the piezometer tube, and the high-pressure water flow shoots out from the water outlet holes at the lower part of the steel pipe to impact the silt at the water inlet holes of the piezometer tube. When the steel pipe encounters hard objects or the silt is seriously caked, the galvanized steel pipe is lifted forcefully and impacted downward to crush or loosen the hard objects and silt so as to flush them out of the pipe orifice. After supplying water to a certain amount, the air compressor supplies air from small to large, and the auxiliary water flow will flow upward at the plugging place and overflow from the piezometer tube orifice, and the sediment and small stones in the pipe also overflow along with the water.

[0053] ④ After the water pressure flushing lasts for a period of time until clear water overflows, measure the tube depth again. If the designed depth in the construction has not been reached, it means there are still sundries such as stones. A pipeline dredging machine and a special steel dredging head should be used to break or loosen the hard objects and silt, and then use pressure water flushing to flush the crushed hard objects and silt out of the pipe orifice until the tube depth reaches the designed depth.

[0054] 4. Cleaning the water inlet holes: After the tube depth reaches the designed depth after cleaning, the water inlet holes of the piezometer tube (straight tube) should be cleaned. Replace the special steel wire cleaning head, use the high-speed rotating special steel wire cleaning head to dredge the "scale" and other plugging substances at the water inlet holes of the permeable section of the piezometer tube, and then use pressure water flushing to repair the water permeability of the piezometer tube.

[0055] 5. Manometer repair: If the manometer still cannot reach the designed depth after well washing, it indicates that concrete has fallen into the pipe during the construction period of the manometer, causing "blockage". Then, according to the diameter of the manometer, a manometer repair device for small working face sluices in Embodiment 2 is used to remove the concrete that has fallen into the pipe. After reaching the designed depth, replace the special wire cleaning head, and use the high-speed rotating special wire cleaning head to dredge the blockage of the water inlet of the horizontal section of the sectional manometer or the water permeable section inlet hole of the straight pipe manometer, and then rinse with pressure water to repair the water permeability of the manometer.

[0056] 6. Manometer modification: Most of the middle manometers of sluices are of straight pipe structure. Once concrete has fallen into the pipe during the construction period, causing "blockage", usually the water inlet holes of the water inlet section are also "blocked" at the same time. When the water permeability of the manometer cannot be repaired through the above steps, it is necessary to modify the original manometer. Use a manometer repair device for small working face sluices in Embodiment 2 to punch through the "sealing cap" at the bottom of the original manometer and penetrate 500 mm into the formation. Then, according to the design requirements of the manometer, re-manufacture and lower the manometer, backfill 5 - 8 m of washed medium sand, and then seal the pipe orifice with concrete pouring.

[0057] Although the specific implementation modes of the utility model are described above in conjunction with the accompanying drawings, it does not limit the protection scope of the utility model. Based on the technical solution of the utility model, various modifications or deformations that can be made by those skilled in the art without creative efforts are still within the protection scope of the utility model.

Claims

1. A water gate piezometer repair device for a small working face, characterized in that, Comprising: A vertically arranged support foot pile (4), the bottom end of the support foot pile (4) is connected to a base (42), and the base (42) is detachably connected to the lock pier (1); A mounting seat (3), the mounting seat (3) is slidably connected to the support foot pile (4) and can slide vertically on the support foot pile (4); A drill rig main body (5), the drill rig main body (5) is connected to the mounting seat (3); the drill rig main body (5) is drivingly connected with a drill rod (6) for dredging a piezometer tube.

2. The water gate piezometer repair device for a small working face according to claim 1, characterized in that: A vertical through hole (34) is formed in the mounting seat (3), and a driving gear (32) is rotatably connected in the vertical through hole (34); a vertical rack (41) is fixedly connected to the side wall of the support foot pile (4), and the driving gear (32) cooperates with the vertical rack (41) to drive the mounting seat (3) to slide vertically along the support foot pile (4).

3. The water gate piezometer repair device for a small working face according to claim 2, characterized in that: Sliding blocks (33) for guiding are fixedly connected to the inner wall of the mounting seat (3); a chute (44) is formed in the side wall of the support foot pile (4), and the sliding blocks (33) can slide vertically in the chute (44).

4. A water gate piezometer repair device for a small working face according to claim 1, characterized in that: Mounting holes are formed in the bottom of the support foot pile (4), expansion bolts are installed in the mounting holes, and the expansion bolts are fixed on the lock pier (1).

5. The water gate piezometer repair device for a small working face according to claim 1, characterized in that: At least one group of parallel guardrails (2) are arranged on the lock pier (1), a bottom cross brace (21) is arranged at the bottom of the guardrail (2), and there is an installation space between the bottom cross brace (21) and the top of the lock pier (1).

6. The water gate piezometer repair device for a small working face according to claim 5, characterized in that: The support foot pile (4) is installed on the lock pier (1) through a fixing assembly (7); the fixing assembly (7) includes a pressing plate (71), both ends of the pressing plate (71) penetrate through the installation space, the pressing plate (71) is connected with at least two groups of tightening components, and the tightening components can tightly press the top of the pressing plate (71) against the bottom of the bottom cross brace (21); two fixing blocks (74) are slidably connected to the pressing plate (71), and fixing bolts (73) are threadedly connected to the fixing blocks (74), and the fixing bolts (73) can press the bottom plate of the support foot pile (4) against the lock pier (1).

7. The water gate piezometer repair device for a small working face according to claim 6, characterized in that: The tightening component is a tightening bolt (72), and the tightening bolt (72) is threadedly connected to the pressing plate (71).

8. A water gate piezometer repair device for a small working face according to claim 6, characterized in that: The tightening component includes a positive and negative thread sleeve (77), a positive thread bolt (78) is threadedly connected to the top of the positive and negative thread sleeve (77), and a reverse thread bolt (79) is threadedly connected to the bottom of the positive and negative thread sleeve (77); the top of the positive thread bolt (78) abuts against the bottom surface of the pressing plate (71), and the bottom of the reverse thread bolt (79) abuts against the lock pier (1).

9. The water gate piezometer repair device for a small working face according to claim 6, characterized in that: A positioning hole (43) is formed in the base (42), a baffle (75) is fixed in the middle of the fixing bolt (73), and the bottom of the fixing bolt (73) can cooperate with the positioning hole (43) to press the support foot pile (4) through the baffle (75).

10. A water gate piezometer repair device for a small working face according to claim 7, characterized in that: A plurality of threaded tightening holes (76) are formed in the pressing plate (71) along the length direction, and the tightening bolts (72) are installed in the threaded tightening holes (76) inside the guardrail (2) according to the distance between the guardrails (2).

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