A reinforcing device for municipal water-collecting well construction

Abstract

The application belongs to the field of building engineering, and particularly relates to a reinforcing equipment for municipal water collecting well construction, which comprises a formwork assembly, lock-in plates, an inner support assembly, a center positioning piece and a hexagon nut. The formwork assembly is formed by a plurality of arc-shaped steel sheet piles which are circumferentially closed to form a cylindrical space, and a T-shaped steel column with a T-shaped cross section is arranged at the joint of adjacent arc-shaped steel sheet piles. The outer arc surface of the T-shaped steel column is consistent with the outer arc surface of the arc-shaped steel sheet pile, and forms a smooth and continuous joint outer wall. The T-shaped steel column and the adjacent two arc-shaped steel sheet piles are locked by a plurality of lock-in plates which are uniformly distributed from top to bottom, and are fixed in multiple directions in the circumferential and axial directions. In addition, the lock-in plates are matched with the U-shaped pieces on the inner wall of the arc-shaped steel sheet pile, which further improves the structural strength of the formwork joint, avoids the formwork from collapsing inward due to external force (vibration, etc.), ensures that the inner wall of the water collecting well is smooth and the roundness meets the standard, reduces the later repair work, and reduces the construction cost.

Description

TECHNICAL FIELD

[0001] The application belongs to the field of building engineering, and particularly relates to a reinforcing equipment for municipal water collecting well construction. BACKGROUND

[0002] In municipal engineering construction, the water collecting well, as a key infrastructure of the urban drainage system, undertakes the important function of collecting road rainwater, mixed sewage of surrounding businesses and residential areas, and the construction quality directly affects the urban drainage efficiency and road service life. At present, the municipal water collecting well is mostly constructed by on-site pouring of concrete, and the reinforcement and support of the formwork in the pouring process are the core links for ensuring the forming quality of the water collecting well.

[0003] However, the traditional water collecting well construction has many technical pain points in the formwork reinforcement: firstly, the formwork assembly stability is poor; the traditional formwork is mostly spliced by ordinary steel plates and fixed by external steel pipe supports, and the splicing joints are prone to concrete leakage due to uneven stress, resulting in insufficient flatness of the inner wall of the water collecting well, and additional repair work is required in the later period, increasing the construction cost and construction period; secondly, the overall rigidity of the traditional formwork and support structure is insufficient in the concrete vibrating link after pouring of the water collecting well, and the formwork is prone to displacement due to external force generated by vibrating, causing the splicing part to loosen and the support to fail, resulting in inward collapse of the formwork and affecting the roundness and perpendicularity of the water collecting well.

[0004] The above problems not only restrict the construction efficiency of the municipal water collecting well, but also bury hidden dangers for the stable operation of the later drainage system, and therefore the application provides a reinforcing equipment for municipal water collecting well construction. SUMMARY

[0005] In order to solve the above problems, the application provides a reinforcing equipment for municipal water collecting well construction, which is used to solve the problems mentioned in the background.

[0006] In order to achieve the above purpose, the application provides the following technical scheme: the application provides a reinforcing equipment for municipal water collecting well construction, which comprises a formwork assembly, a lock plug plate, an inner support assembly, a center positioning piece and a hexagon nut.

[0007] The formwork assembly is formed by a plurality of arc-shaped steel sheet piles surrounding a cylindrical space in the circumferential direction, and a T-shaped steel column with a T-shaped cross section is arranged at the splicing joint of adjacent arc-shaped steel sheet piles, the outer arc surface of the T-shaped steel column is consistent with the arc of the arc-shaped steel sheet pile, and a smooth and continuous splicing outer wall is formed; the T-shaped steel column and the adjacent two arc-shaped steel sheet piles are locked by the lock plug plates which are uniformly distributed from top to bottom, and multi-directional fixation in the circumferential and axial directions is formed.

[0008] The center positioning member is vertically arranged at the center of the cylindrical space, and a plurality of inner support assemblies are arranged on the center positioning member in layers along the height direction, the number and position of the inner support assemblies correspond to the lock-in plates one by one; the hexagonal nut is arranged on the center positioning member and above each inner support assembly, and is used for pressing the inner support assembly to make the end of the inner support assembly radially expand and be locked on the lock-in plate.

[0009] The inner wall of the arc-shaped steel sheet pile is provided with a plurality of U-shaped members for inserting and limiting the lock-in plates from top to bottom on both sides; the T-shaped steel column is provided with a through square slot at one end of the near center positioning member from top to bottom, and is provided with a plurality of insertion ports corresponding to the number of lock-in plates from top to bottom at the end, and the insertion ports pass through the square slot.

[0010] The lock-in plate is inserted into the insertion port in one direction and passes through the T-shaped steel column, and is provided with a lock notch for locking the inner support assembly at the position corresponding to the square slot, and the inner wall of the near center positioning member is provided with an L-shaped notch.

[0011] According to an advantageous embodiment, the center positioning member is composed of a plurality of center rods with internal threaded holes at both ends and a double-end internal threaded rod for threadingly connecting the two center rods, the upper end of the center rod is provided with a chamfer, and the lower end is provided with a concave structure matching the chamfer of the upper end of the adjacent center rod.

[0012] The lower end of the center rod at the lowermost end is threadingly connected with a ground plug for inserting the bottom of the foundation pit to enhance the installation stability of the center positioning member.

[0013] According to an advantageous embodiment, the inner support assembly includes a circular base with a through hole arranged at the center, a plurality of installation slots corresponding to the number of T-shaped steel columns are uniformly arranged on the outer circumferential wall of the circular base, an inner support rod is arranged in the installation slot through a positioning column, and the positioning column is threadingly connected with the circular base; the outer wall of the positioning column is further movably sleeved with an adjusting module for adjusting the initial inclination angle and the transverse projection length of the inner support rod, and the adjusting module is threadingly connected with the inner support rod.

[0014] According to an advantageous embodiment, the inner wall of the through hole of the circular base is uniformly provided with a limiting sliding groove corresponding to the installation slot, and a counterbore for placing a spring rod is further arranged on the upper end surface of the circular base between the limiting sliding groove and the installation slot; a positioning groove is further arranged on the upper end surface of the circular base between the adjacent two limiting sliding grooves, an inner locking ring is arranged in the through hole of the circular base, and a U-shaped pressing plate is arranged in the limiting sliding groove for deflecting the inner support rod when the hexagonal nut is screwed to make the end of the inner support rod clamped into the lock notch.

[0015] According to an advantageous embodiment, the inner locking ring is composed of a ring sleeve set inside the through hole, a lug set on the upper end face of the ring sleeve and positioned in the positioning groove, and a wedge-shaped locking block elastically slidingly arranged at the lower end of the ring sleeve and moving in the radial direction thereof; the wedge-shaped locking block is ejected and clamped to the lower end face of the circular base after the ring sleeve is inserted into the through hole of the circular base, and cooperates with the lug to complete the axial positioning of the inner member of the inner support assembly.

[0016] According to an advantageous embodiment, the U-shaped pressing plate is composed of an L-shaped plate and a horizontal plate connected by bolts, and the end of the U-shaped pressing plate towards the inner support rod is provided with a roller for reducing friction.

[0017] According to an advantageous embodiment, the adjusting module is composed of a sleeve ring set on the outer wall of the positioning column and a spring rod with a pre-adjustable telescopic range and threadedly connected with the sleeve ring.

[0018] According to an advantageous embodiment, the outer wall of the ring sleeve and the limiting sliding groove are provided with a plurality of rollers towards the side wall of the U-shaped pressing plate, which are used to reduce the friction resistance of the U-shaped pressing plate during sliding and ensure that the U-shaped pressing plate can be smoothly reset by the spring rod in the counterbore.

[0019] According to an advantageous embodiment, the upper and lower end faces of the arc-shaped steel sheet pile are also uniformly provided with insertion holes, and the depth of the insertion hole is greater than one-third of the length of the arc-shaped steel sheet pile.

[0020] Compared with the prior art, the reinforcing equipment for municipal water collecting well construction provided by the embodiment has the following beneficial effects: 1. The outer arc surface of the T-shaped steel column is consistent with the arc of the arc-shaped steel sheet pile, which can ensure that the outer wall of the columnar space after splicing is smooth; at the same time, the adjacent arc-shaped steel sheet piles and the T-shaped steel column are locked by a plurality of evenly arranged lock insertion plates, and the lock insertion plates are inserted into the insertion holes of the T-shaped steel column to form multi-directional fixing in the circumferential and axial directions, so that the columnar space becomes a closed structure, completely eliminating the leakage of concrete during pouring; in addition, the lock insertion plate cooperates with the U-shaped piece on the inner wall of the arc-shaped steel sheet pile, further improving the structural strength of the formwork splicing, avoiding the formwork from collapsing inward due to external force (vibration, etc.), ensuring that the inner wall of the water collecting well is smooth and the roundness meets the standard, reducing the later repair work, and reducing the construction cost.

[0021] 2、The application meets the construction requirements of different depth water collecting wells by increasing or reducing the number of center rods and using double-end internal thread rods for threaded butt joint, and the lowermost center rod is fixed through ground insertion to ensure the stability of the center positioning member during assembly; in terms of memory adaptation, the circular base of the inner support assembly is uniformly provided with mounting grooves corresponding in number to the T-shaped steel columns, the inner support rods are mounted in the mounting grooves through positioning columns and adjusting modules, the spring rods in the adjusting modules can be pre-adjusted in extension range, thereby changing the initial inclination angle and transverse projection length of the inner support rods, so as to adapt to the inner diameter of the water collecting well for construction. At the same time, the inner support assembly realizes multi-point support from the center point to the radial direction through the center positioning member, which can offset the uneven stress problem of the multi-side arc-shaped steel sheet piles, and can ensure the stability of the formwork structure and avoid displacement even during concrete vibration. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 is a perspective view of the application.

[0023] Figure 2 is a perspective view of the application after cutting off part of the formwork assembly structure.

[0024] Figure 3 is a partial structure cutaway schematic view between the center positioning member and the inner support assembly of the application.

[0025] Figure 4 is a perspective view of the application Figure 2 after hiding the hexagonal nut.

[0026] Figure 5 is a bottom view perspective view of the application Figure 4 .

[0027] Figure 6 is a perspective view between the inner locking ring and the circular base of the application.

[0028] Figure 7 is a bottom view perspective view of the application Figure 6 .

[0029] Figure 8 is a cross-sectional view between the wedge-shaped locking block and the ring sleeve of the application.

[0030] Fig. 1, template assembly; 2, lock-in plate; 3, inner support assembly; 4, center positioning piece; 5, hexagonal nut; 11, arc-shaped steel sheet pile; 12, T-shaped steel column; 13, U-shaped piece; 121, square groove; 122, socket; 21, lock-in notch; 22, L-shaped clamping hole; 41, center rod; 42, double-end internal threaded rod; 31, circular base; 311, mounting groove; 312, limiting sliding groove; 313, counterbore; 314, positioning groove; 32, positioning column; 33, inner support rod; 34, adjusting module; 341, collar; 35, inner lock ring; 36, U-shaped pressing plate; 351, ring sleeve; 352, lug; 353, wedge-shaped lock block; 361, L-shaped plate; 362, cross plate; 363, roller. DETAILED DESCRIPTION

[0031] The following will be described in detail below with reference to the accompanying drawings. Figure 1 - the accompanying drawings Figure 8 The present application will be further described in detail.

[0032] Please refer to Figure 1 and Figure 2 A reinforcing device for municipal water collection well construction, comprising: a template assembly 1, a lock-in plate 2, an inner support assembly 3, a center positioning piece 4, and a hexagonal nut 5; the template assembly 1 is arranged inside the foundation pit, and the template assembly 1 is composed of a plurality of arc-shaped steel sheet piles 11 surrounding a cylindrical space and a plurality of T-shaped steel columns 12 arranged at the joint positions of adjacent two arc-shaped steel sheet piles 11 and having a T-shaped cross section, and a plurality of lock-in plates 2 are uniformly arranged and locked at the joint positions of the T-shaped steel columns 12 and the adjacent two arc-shaped steel sheet piles 11; the center positioning piece 4 is arranged inside the foundation pit and located at the center position of the cylindrical space, a plurality of inner support assemblies 3 corresponding to the positions of the lock-in plates 2 are uniformly arranged on the center positioning piece 4, and a hexagonal nut 5 is arranged above each inner support assembly 3 on the center positioning piece 4 to press the inner support assembly 3 and lock the position of the lock-in plate 2.

[0033] Before pouring the water collection well, the reinforcing device is assembled inside the foundation pit to form an inner formwork, which supports the forming process of the poured water collection well, the cylindrical space formed is a closed structure, which can prevent the leakage of concrete during pouring; at the same time, the support inner formwork formed by the cylindrical space cannot collapse inward after being locked by the lock-in plate 2, and multiple inner support assemblies 3 are arranged for upper and lower multi-layer inner support, which further reinforces the formed cylindrical space and improves the stability during the pouring and forming of the water collection well.

[0034] Please refer to Figure 1 and Figure 2The arc-shaped inner wall of the arc-shaped steel sheet pile 11 is uniformly provided from top to bottom with a plurality of U-shaped pieces 13 for locking the lock-in plates 2 distributed at both sides, and the end of the T-shaped steel column 12 away from the center positioning piece 4 is provided in an arc-shaped structure consistent with the arc of the outer arc surface of the arc-shaped steel sheet pile 11, so as to keep the outer wall of the composed cylindrical space smooth, ensure the smoothness of the inner wall of the constructed water collecting well, and facilitate the stripping of the arc-shaped steel sheet pile 11 in the later period; and the end of the T-shaped steel column 12 close to the center positioning piece 4 is provided with a penetrating square slot 121 from top to bottom; the end of the T-shaped steel column 12 close to the center positioning piece 4 is uniformly provided from top to bottom with a plurality of sockets 122 corresponding to the lock-in plates 2 and penetrating the lock-in plates 2, and the sockets 122 penetrate the square slot 121; the lock-in plate 2 is an arc-shaped structure consistent with the arc-shaped inner wall of the arc-shaped steel sheet pile 11, and the lock-in plate 2 is provided in a one-way plug-in manner; after the lock-in plate 2 penetrates the socket 122 of the T-shaped steel column 12, a lock-in notch 21 for locking the inner support assembly 3 is formed at the position of the lock-in plate 2 in the square slot 121, and an L-shaped socket 22 is further formed on the inner wall of the lock-in plate 2 close to the center positioning piece 4; when the cylindrical space is composed of the arc-shaped steel sheet pile 11 and the T-shaped steel column 12, the adjacent two arc-shaped steel sheet piles 11 and T-shaped steel columns 12 need to be positioned and locked by sequentially inserting the lock-in plates 2, so as to improve the structural strength of the overall cylindrical space; since the composed cylindrical space is circular, a single arc-shaped steel sheet pile 11 is usually supported by the two T-shaped steel columns 12 on both sides, so that the formed cylindrical space is difficult to collapse inward, and during the construction of the water collecting well, the pressure is from outside to inside, so the structure has very strong strength; at the same time, the sequentially inserted lock-in plates 2 form multi-directional fixation in the circumferential and axial directions, further improving the stability and strength of the cylindrical space; it should be noted that when assembling the cylindrical space, the assembly can be performed inside or outside the foundation pit according to the size of the inner diameter of the foundation pit; under normal circumstances, the inner diameter of the constructed municipal water collecting well is generally 1-1.5 meters, which can accommodate workers to enter the inside of the foundation pit for assembly; for some special cases that are not convenient to assemble inside, the cylindrical space can be assembled outside first after the lock-in plates 2 are inserted, and then an inner support assembly 3 is placed in the L-shaped socket 22 of each layer of lock-in plates 2 in cooperation with the center positioning piece 4, and finally placed in the inside of the foundation pit, but the external assembly method is usually suitable for the construction of water collecting wells with relatively shallow depth; when the external assembly method is adopted, the inner support assembly 3 cooperates with the L-shaped socket 22, so as to facilitate the stripping of the arc-shaped steel sheet pile 11 by rotating the center positioning piece 4 to drive all the inner support assemblies 3 to rotate and withdraw the lock-in plates 2 from the sockets 122; in addition, in order to achieve the purpose of rotating the center positioning piece 4 to drive all the inner support assemblies 3 to rotate and withdraw the lock-in plates 2 from the sockets 122, the center positioning piece 4 and the inner support assembly 3 need to be threadedly connected during assembly.

[0035] Referring to Figure 3The center positioning piece 4 is composed of a plurality of center rods 41 with threaded holes at both ends and a double-end internal threaded rod 42 for threadingly butting the two center rods 41. The upper end of the center rod 41 is provided with a chamfer, and the lower end is provided with a concave structure matching the chamfer of the upper end of the adjacent center rod 41. Meanwhile, the center rod 41 is also provided with an external thread, which is used to ensure that the adjacent two center rods 41 are butted more tightly. When the center positioning piece 4 is assembled inside the foundation pit, the lower end of the lowermost center rod 41 needs to be threadingly inserted (not shown in the figure), so that the lowermost center rod 41 can be stably fixed at the center position of the foundation pit. The insertion can ensure that the two center rods 41 are not easily moved relative to each other when they are threadingly connected by the double-end internal threaded rod 42 in the later stage, further ensuring the smooth installation process of the center positioning piece 4. It should also be noted that an inner support assembly 3 and a hexagon nut 5 need to be inserted outside each center rod 41 when the center positioning piece 4 is assembled.

[0036] Referring to Figure 1 、 Figures 3-7 The inner support assembly 3 includes a circular base 31 provided with a through hole, and the outer circumferential wall of the circular base 31 is uniformly provided with a plurality of installation grooves 311 corresponding in number to the T-shaped steel columns 12. An inner support rod 33 is installed in the installation groove 311 through a positioning column 32, and the positioning column 32 is threadingly connected with the circular base 31. An adjusting module 34 is movably sleeved on the outer wall of the positioning column 32, and the adjusting module 34 is threadingly connected with the inner support rod 33. The inner wall of the through hole of the circular base 31 is uniformly provided with a limiting sliding groove 312 corresponding to the installation groove 311, and a counterbore 313 for placing a spring rod is arranged on the upper end surface of the circular base 31 between the limiting sliding groove 312 and the installation groove 311. A positioning groove 314 is arranged on the upper end surface of the circular base 31 between the two limiting sliding grooves 312, and an inner locking ring 35 is arranged in the through hole of the circular base 31. A U-shaped pressing plate 36 for adjusting the angle of the inner support rod 33 is arranged in the limiting sliding groove 312.

[0037] It should be noted that whether it is externally assembled or internally assembled, the inner support rod 33 in the inner support assembly 3 cooperates with the L-shaped socket 22 or the lock catch 21.

[0038] When the projection length of the inner support rod 33 in the initial inclined state is adjusted to match the inner diameter of the water collecting well, a spring rod with an initial length adjusted needs to be placed inside the counterbore 313. The purpose is to adjust the relative position of the inner support rod 33 by adjusting the initial length of the spring rod. The longer the initial length of the spring rod, the smaller the inclined angle of the lower end of the U-shaped pressing plate 36 relative to the center rod 41, and the shorter the projection length. Conversely, the longer the initial length of the spring rod, the longer the projection length. After adjustment, the end of the inner support rod 33 can be lapped on the lock notch 21 by rotating the hexagonal nut 5 to deflect a certain angle, thereby supporting the T-shaped steel column 12 and further improving the inner support and fixation effect of the cylindrical space structure formed by the arc-shaped steel sheet pile 11. The setting of the inner support assembly 3 can support multiple points along the radial direction from the center point, and the same center point can offset the stability problem caused by the simultaneous stress of multiple arc-shaped steel sheet piles 11.

[0039] Referring to Figure 6 , Figure 7 and Figure 8 , the inner locking ring 35 is composed of a ring sleeve 351 fitted inside the through hole, a lug 352 positioned on the upper end surface of the ring sleeve 351 and engaged with the positioning groove 314, and a wedge-shaped locking block 353 elastically slidingly arranged at the lower end of the ring sleeve 351 and moving in the radial direction thereof. After assembling the inner support rod 33, the adjusting module 34, and the U-shaped pressing plate 36 on the circular base 31, the ring sleeve 351 is directly inserted downward, keeping the lug 352 engaged with the positioning groove 314. During the insertion of the ring sleeve 351, the inclined surface at the lower end of the wedge-shaped locking block 353 is extruded and contracted with the wall of the through hole of the circular base 31. As the ring sleeve 351 continues to be inserted, the wedge-shaped locking block 353 is completely separated from the inner wall of the through hole of the circular base 31 and is ejected by the spring to the lower end surface of the circular base 31. The lug 352 and the wedge-shaped locking block 353 cooperate to limit the inner support rod 33, the adjusting module 34, and the U-shaped pressing plate 36. It should be noted that during external assembly, the inner wall of the ring sleeve 351 is provided with a threaded groove (not shown in all the drawings) that matches the threads on the outer wall of the center rod 41, so that the center positioning member 4 and the inner support assembly 3 are threadedly connected during external assembly.

[0040] Referring to Figure 3 and Figure 4, the U-shaped pressing plate 36 is composed of an L-shaped plate 361 and a horizontal plate 362 connected by bolts, when the U-shaped pressing plate 36 is assembled in the limiting sliding groove 312, the L-shaped plate 361 can be first inserted through the limiting sliding groove 312, and then the horizontal plate 362 is connected with the L-shaped plate 361 through bolts; and the one end of the U-shaped pressing plate 36 towards the inner supporting rod 33 is provided with a roller 363 for reducing friction, the roller 363 can reduce friction when the two end faces of the inner supporting rod 33 are respectively fitted and transversely displaced, so that the inner supporting rod 33 can be more smoothly driven to adjust the angle.

[0041] Referring to Figure 3 , the adjusting module 34 is composed of a sleeve ring 341 sleeved on the outer wall of the positioning column 32 and a spring rod threadedly connected with the sleeve ring 341; it should be noted that the extension range of the spring rod in the present application can be pre-adjusted, and the purpose is to adjust the initial inclination angle and the horizontal length projected from top to bottom of the inner supporting rod 33; because the circular water collecting well for collecting mixed sewage of surrounding businesses and residential areas beside the municipal road has an inner diameter of generally 1-1.5 meters; only when the initial inclination angle and the horizontal length projected from top to bottom of the inner supporting rod 33 are adjusted to be suitable for the inner diameter of the water collecting well, the supporting strength during the construction of the water collecting well can be ensured.

[0042] Referring to Figure 3 , Figure 4 and Figure 6 , the one end of the ring sleeve 351 and the limiting sliding groove 312 towards the U-shaped pressing plate 36 is provided with a ball for reducing the friction resistance during the sliding process of the U-shaped pressing plate 36; in the actual process, because the U-shaped pressing plate 36 is limited by the ring sleeve 351 and the limiting sliding groove 312, the two sides of the actual U-shaped pressing plate 36 will respectively generate friction with the outer wall of the ring sleeve 351 and the side wall of the limiting sliding groove 312 during the up-and-down movement of the U-shaped pressing plate 36, if the ball is not provided, the friction resistance during the sliding process of the U-shaped pressing plate 36 driven by the hexagonal nut 5 is large, which causes that the U-shaped pressing plate 36 cannot be smoothly reset by the spring rod arranged in the counterbore 313; so that the angle of the inner supporting rod 33 cannot be smoothly adjusted according to the U-shaped pressing plate 36.

[0043] It should be noted that the depth of the urban water collecting well is generally between 1.5-2.5 meters, but in some special scenarios, such as under the urban trunk road, the depth can reach 3-5 meters for cooperation with the deeply buried main pipe. In special parts such as bridges, the depth of the water collecting well will increase with the deepening of the excavation, so the upper and lower end faces of the arc-shaped steel sheet pile 11 are also uniformly provided with insertion holes, and the depth of the insertion hole is greater than one third of the length of the arc-shaped steel sheet pile 11 (see Figure 2In order to improve the convenience and stability of support and reinforcement when pouring a deep water collecting well, the plurality of formwork assemblies 1 can be vertically connected, and during the connection, the steel column is inserted into the insertion hole of the lower arc-shaped steel sheet pile 11, and then the upper arc-shaped steel sheet pile 11 is stacked and inserted into the insertion hole in alignment with the lower steel column.

[0044] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0045] In addition, the terms "first", "second", "one", "two" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined as "first", "second", "one", "two" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise specifically limited.

[0046] In the present application, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise specifically limited. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0047] The embodiments of the specific implementation are the preferred embodiments of the present application, and are not limited to the protection scope of the present application, therefore; any equivalent changes made according to the structure, shape, principle of the present application should be covered within the protection scope of the present application.

Claims

1. A reinforcement device for the construction of municipal water collection wells, characterized in that, The utility model relates to a center positioning piece, a hexagonal nut, a template assembly, a lock plugboard and an inner support assembly are included. The template assembly is formed by a plurality of arc-shaped steel sheet piles surrounding a cylindrical space in a circumferential direction, and a T-shaped steel column is arranged at the joint of adjacent arc-shaped steel sheet piles, the outer arc surface of the T-shaped steel column is consistent with the arc of the outer arc surface of the arc-shaped steel sheet pile, and a smooth and continuous joint outer wall is formed. The T-shaped steel column and the two adjacent arc-shaped steel sheet piles are locked by a plurality of lock plugboards distributed uniformly from top to bottom, and are fixed in multiple directions in the circumferential and axial directions. The center positioning piece is vertically arranged in the center of the cylindrical space, a plurality of inner support assemblies are arranged on the center positioning piece in a layered manner along the height direction, the number and position of the inner support assemblies correspond to the lock plugboards one by one, and the hexagonal nut is arranged on the center positioning piece and above the inner support assemblies. U-shaped pieces for limiting the insertion of the lock plugboard are arranged on the inner wall of the arc-shaped steel sheet pile on both sides and from top to bottom. A square slot is formed through the T-shaped steel column from top to bottom at one end of the T-shaped steel column near the center positioning piece, and a plurality of sockets corresponding to the number of lock plugboards are arranged on the end from top to bottom, and the sockets pass through the square slot.

2. The reinforcement apparatus for a municipal catch basin construction according to claim 1, wherein The lock plugboard is inserted into the socket in one direction and passes through the T-shaped steel column, and a lock notch for locking the inner support assembly is arranged at the position corresponding to the square slot, and an L-shaped notch is arranged on the inner wall near the center positioning piece.

3. The reinforcement apparatus for a municipal catch basin construction according to claim 2, characterized by The center positioning piece is composed of a plurality of center rods with internal threaded holes at both ends and a double-end internal threaded rod for threadingly connecting the two center rods, the upper end of the center rod is provided with a chamfer, and the lower end is provided with a concave structure matched with the chamfer of the upper end of the adjacent center rod.

4. The reinforcement apparatus for a municipal catch basin construction according to claim 1, wherein The lower end of the center rod at the lowermost end is threadingly connected with a ground plug for inserting into the bottom of the foundation pit to enhance the stability of the installation of the center positioning piece.

5. The reinforcement apparatus for a municipal catch basin construction according to claim 4, wherein The inner support assembly comprises a circular base provided with a through hole in the center, a plurality of installation grooves corresponding to the number of T-shaped steel columns are uniformly arranged on the outer circumferential wall of the circular base, an inner support rod is arranged in the installation groove through a positioning column, and the positioning column is threadingly connected with the circular base.

6. The reinforcement apparatus for a municipal catch basin construction according to claim 5, wherein An adjusting module for adjusting the initial inclination angle and the transverse projection length of the inner support rod is movably arranged on the outer wall of the positioning column, and the adjusting module is threadingly connected with the inner support rod. A limiting sliding groove corresponding to the installation groove is uniformly arranged on the inner wall of the through hole of the circular base, a counterbore for placing a spring rod is arranged on the upper end surface of the circular base between the limiting sliding grooves, a positioning groove is arranged on the upper end surface of the circular base between the two limiting sliding grooves, an inner locking ring is arranged in the through hole of the circular base, and a U-shaped pressing plate for deflecting the inner support rod when the hexagonal nut is screwed to make the end of the inner support rod clamped into the lock notch is arranged in the limiting sliding groove. The inner locking ring is composed of a ring sleeve arranged in the through hole, a lug arranged on the upper end surface of the ring sleeve and matched with the positioning groove, and a wedge-shaped locking block elastically arranged in the ring sleeve and moving in the radial direction. After the ring sleeve is inserted into the through hole of the circular base, the wedge-shaped locking block is popped out and clamped on the lower end surface of the circular base, and cooperates with the lug to axially limit the internal components of the inner support assembly.

7. The reinforcement apparatus for a municipal catch basin construction according to claim 5, wherein The U-shaped pressing plate is composed of an L-shaped plate and a horizontal plate connected by bolts, and the end of the U-shaped pressing plate towards the inner support rod is provided with a roller for reducing friction.

8. The reinforcement apparatus for a municipal catch basin construction according to claim 4, wherein The adjusting module is composed of a sleeve ring sleeved on the outer wall of the positioning column and a spring rod with a pre-adjustable telescopic range and threaded between the sleeve ring.

9. The reinforcement apparatus for a municipal catch basin construction according to claim 6, wherein The outer wall of the sleeve and the limiting sliding groove towards the side wall of the U-shaped pressing plate are provided with a plurality of rolling balls for reducing the friction resistance of the U-shaped pressing plate during sliding and ensuring smooth resetting of the U-shaped pressing plate through the spring rod in the counterbore.

10. The reinforcement apparatus for a municipal catch basin construction according to claim 1, wherein The upper and lower end faces of the arc-shaped steel sheet pile are also uniformly provided with insertion holes, and the depth of the insertion hole is greater than one third of the length of the arc-shaped steel sheet pile.

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