A concrete prefabricated assembly type inspection well mold

Abstract

This utility model provides a precast concrete manhole mold, relating to the field of manhole mold technology. It includes an outer manhole mold and an inner manhole mold. An inner positioning plate is inserted into the inner corner of the inner mold, and a fixing block is welded to the upper surface of the inner positioning plate. An X-shaped support plate is provided in the middle of the inner side of the inner mold, and an extension plate is welded to the side end of the X-shaped support plate. The side end of the inner positioning plate is connected to the extension plate of the X-shaped support plate via a connecting plate. An outer positioning plate is inserted into the outer corner of the outer mold, and a fixing stud is welded to the upper side wall of the outer positioning plate. The surface of the fixing stud is connected to the fixing block via a double nut assembly. Ultrasonic vibrating heads are symmetrically distributed on the left and right sides of the X-shaped support plate. This utility model solves the problem in the prior art where the second frame of the mold shifts when repeatedly impacted, causing changes in the distance between the first and second frames and affecting the precast quality of the manhole.

Description

Technical Field

[0001] This utility model relates to the field of manhole mold technology, specifically to a precast concrete assembled manhole mold. Background Technology

[0002] Inspection wells are installed for urban underground infrastructure, most commonly used in conjunction with cement pipes and other pipelines for urban drainage and sewage disposal. Inspection wells are often prefabricated using molds through concrete pouring. A search revealed an existing technology (Announcement No.: CN202323094520.7) for a square precast concrete assembly inspection well mold. The document states that "this utility model, by setting up a rocker arm, gear, rack, top plate, and first spring, uses the rocker arm to drive the gear to rotate. Through the transmission of the gear and rack, the top plate can impact the second frame, causing vibration in the concrete inside the first and second frames. Under the effect of the first impact, repeated impacts can be achieved, which to some extent helps eliminate air bubbles inside the concrete, strengthens the concrete, and improves its strength." However, in this existing technology, the second frame of the mold shifts when repeatedly impacted, causing changes in the distance between the first and second frames, affecting the prefabrication quality of the inspection well. Utility Model Content

[0003] To overcome the shortcomings of existing technologies, a precast concrete manhole mold is provided to solve the problem that in existing technologies, the second frame of the mold shifts when repeatedly impacted, causing changes in the distance between the first and second frames and affecting the precast quality of the manhole.

[0004] To achieve the above objectives, a precast concrete manhole mold is provided, comprising: an outer manhole mold and an inner manhole mold, wherein the inner manhole mold is disposed inside the outer manhole mold.

[0005] An inner positioning plate is inserted into the inner corner of the inner mold of the inspection well. A fixing block is welded to the upper surface of the inner positioning plate. An X-shaped support plate is provided in the middle of the inner side of the inner mold of the inspection well. An extension plate is welded to the side end of the X-shaped support plate. The side end of the inner positioning plate is connected to the side extension plate of the X-shaped support plate through a connecting plate. An outer positioning plate is inserted into the outer corner of the outer mold of the inspection well. A fixing stud is welded to the upper side wall of the outer positioning plate. The surface of the fixing stud is connected to the fixing block through a double nut assembly. Ultrasonic vibrating heads are symmetrically distributed on the left and right sides of the X-shaped support plate. The end face of the ultrasonic vibrating head is in contact with the inner wall of the inner mold of the inspection well.

[0006] Furthermore, the outer mold and the inner mold of the inspection well are arranged in a U-shape and interlocked, and four sets of inner positioning plates and outer positioning plates are respectively inserted into the side ends of the outer mold and the inner mold of the inspection well.

[0007] Furthermore, the upper end of the inner positioning plate is fitted with a fixing stud by a fixing block, and the double nut assembly is screwed to the two end faces of the fixing block.

[0008] Furthermore, a handle is installed on the upper surface of the X-shaped support plate, and connecting cylinders are welded to the left and right sides of the X-shaped support plate, with adjusting studs screwed into the connecting cylinders.

[0009] Furthermore, a connecting plate is inserted into the inner side of the extension plate, and a positioning hole is opened on the surface of the extension plate. The connecting plate is connected to the positioning hole on the surface of the connecting plate by fastening bolts.

[0010] Furthermore, a stud is fixed to the outer end of the adjusting stud, and an ultrasonic vibrating head is sleeved on the inner side of the stud; and the ultrasonic vibrating heads are distributed at the spacing of the inner positioning plates.

[0011] Furthermore, a wiring port is provided on the side end of the ultrasonic vibration head, and an ultrasonic generator is placed on the outside of the manhole mold.

[0012] Furthermore, the ultrasonic vibrating head is electrically connected to an ultrasonic generator via a wiring port.

[0013] The beneficial effects of this utility model are as follows: the precast concrete manhole mold of this utility model utilizes an inner positioning plate, an outer positioning plate, a fixing stud, an X-shaped support plate, and an extension plate to form an assembly positioning structure. The inner and outer positioning plates are assembled and supported at the inner and outer corners of the manhole mold to limit and position the distance between the inner and outer molds of the manhole. This effectively avoids the displacement phenomenon that occurs when the manhole mold vibrates and defoams, ensures that the distance between the inner and outer molds of the precast manhole is consistent, ensures that the side of the precast concrete manhole is flat and the dimensions meet the standards, and improves the production quality of the precast manhole mold. Attached Figure Description

[0014] Figure 1 This is a top view of the precast concrete manhole mold according to an embodiment of the present invention.

[0015] Figure 2 This is a front view structural diagram of a precast concrete manhole mold according to an embodiment of the present invention.

[0016] Figure 3 This is a top view of the assembled positioning structure according to an embodiment of the present invention.

[0017] Figure 4 This is a top sectional view of the connection structure of the assembled positioning structure according to an embodiment of the present invention.

[0018] Figure 5 This is a bottom view of the outer positioning plate in an embodiment of the present invention.

[0019] In the diagram: 1. External manhole mold; 11. Internal manhole mold; 2. Inner positioning plate; 21. Fixing block; 22. Connecting plate; 23. Fastening bolt; 3. External positioning plate; 31. Fixing stud; 32. Double nut assembly; 4. X-shaped support plate; 41. Handle; 42. Connecting cylinder; 43. Extension plate; 44. Positioning hole; 5. Ultrasonic vibrating head; 51. Ultrasonic generator; 52. Wiring port; 53. Column head; 54. Adjusting stud. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] Reference Figures 1 to 5 As shown, this utility model provides a precast concrete manhole mold, including: an outer manhole mold 1 and an inner manhole mold 11, with the inner manhole mold 11 disposed inside the outer manhole mold 1.

[0022] An inner positioning plate 2 is inserted into the inner corner of the manhole mold 11. A fixing block 21 is welded to the upper surface of the inner positioning plate 2. An X-shaped support plate 4 is set in the middle of the inner side of the manhole mold 11. An extension plate 43 is welded to the side end of the X-shaped support plate 4. The side end of the inner positioning plate 2 is connected to the side end extension plate 43 of the X-shaped support plate 4 through a connecting plate 22. An outer positioning plate 3 is inserted into the outer corner of the manhole mold 1. A fixing stud 31 is welded to the upper side wall of the outer positioning plate 3. The surface of the fixing stud 31 is connected to the fixing block 21 through a double nut assembly 32. Ultrasonic vibrating heads 5 are symmetrically distributed on the left and right sides of the X-shaped support plate 4. The end face of the ultrasonic vibrating head 5 is in contact with the inner wall of the manhole mold 11.

[0023] First, place the inner mold 11 and outer mold 1 of the manhole inside and outside, and insert the inner positioning plate 2 and outer positioning plate 3 into the corresponding inner and outer corners. The fixing stud 31 of the outer positioning plate 3 passes through the fixing block 21 of the inner positioning plate 2, so that the side extension plate 43 of the X-shaped support plate 4 is inserted into the center of the inner side of the inner positioning plate 2, so that the inner positioning plate 2 is supported on the inner side of the manhole inner mold 11. After adjusting the distance between the manhole inner mold 11 and the manhole outer mold 1 using measuring tools, the inner positioning plate 2 and the outer positioning plate 3 are fixed in their current positions by screwing the double nut group 32 and the fastening bolt 23. Then, concrete can be poured into the distance between the manhole outer mold 1 and the manhole inner mold 11. The ultrasonic vibration head 5, which is in contact with the manhole inner mold 11, vibrates to defoam the concrete at the distance between the manhole outer mold 1 and the manhole inner mold 11. After curing, the prefabricated manhole can be obtained.

[0024] In this embodiment, the outer mold 1 and the inner mold 11 of the manhole are arranged in a U-shape and interlocked. Four sets of inner positioning plates 2 and outer positioning plates 3 are respectively inserted into the side ends of the outer mold 1 and the inner mold 11. The upper end of the inner positioning plate 2 is sleeved with a fixing stud 31 through a fixing block 21, and the double nut group 32 is screwed at the two end faces of the fixing block 21.

[0025] As a preferred embodiment, the U-shaped outer mold 1 and inner mold 11 of the manhole facilitate the prefabrication of square manholes. The inner positioning plate 2 and outer positioning plate 3 restrict and position the inner and outer corners of the outer mold 1 and inner mold 11, preventing the manhole mold from shifting during vibration defoaming. The double nut assembly 32 uses two nuts to fix the fixing stud 31 at the fixing block 21, facilitating the fixing of the assembly distance between the inner positioning plate 2 and the outer positioning plate 3.

[0026] In this embodiment, a handle 41 is installed on the upper end face of the X-shaped support plate 4, and connecting cylinders 42 are welded to the left and right sides of the X-shaped support plate 4. An adjusting stud 54 is screwed into the connecting cylinder 42. A connecting plate 22 is inserted into the inner side of the extension plate 43, and a positioning hole 44 is opened on the surface of the extension plate 43. The connecting plate 22 is connected to the positioning hole 44 on the surface of the connecting plate 22 by fastening bolts 23.

[0027] In a preferred embodiment, the X-shaped support plate 4 serves as the inner support center of the inspection well mold, enabling the inspection well mold to form a stable spacing displacement from the inside to the outside. The positioning holes 44 on the surface of the extension plate 43 facilitate adjustment of the screw connection position with the inner positioning plate 2, ensuring that the inner positioning plate 2 can fit snugly at the inner end corner of the inspection well inner mold 11.

[0028] In this embodiment, a stud head 53 is fixed to the outer end of the adjusting stud 54, and an ultrasonic vibrating head 5 is sleeved on the inner side of the stud head 53; the ultrasonic vibrating heads 5 are distributed at the spacing of the inner positioning plates 2. A wiring port 52 is provided on the side end of the ultrasonic vibrating head 5, and an ultrasonic generator 51 is placed on the outer side of the inspection well mold 1. The ultrasonic vibrating head 5 is electrically connected to the ultrasonic generator 51 through the wiring port 52.

[0029] In a preferred embodiment, the length of the ultrasonic vibrating head 5 can be adjusted by rotating the adjusting stud 54, allowing the ultrasonic vibrating head 5 to contact the mold 11 inside the inspection well. This transmits vibration to the concrete poured outside the mold 11, achieving a defoaming effect. Simultaneously, it can assist in demolding before the mold is removed, facilitating easy detachment of the prefabricated inspection well and accelerating demolding efficiency. The external ultrasonic generator 51 facilitates the conversion of electrical energy into mechanical energy to drive the ultrasonic vibrating head 5 to generate high-frequency vibration.

[0030] This utility model of a precast concrete manhole mold effectively solves the problem in the prior art where the second frame of the mold shifts when repeatedly impacted, causing changes in the distance between the first and second frames and affecting the quality of the precast manhole. It effectively avoids the shifting phenomenon that occurs when the manhole mold vibrates and defoams, ensuring that the distance between the inner and outer molds of the precast manhole is consistent, guaranteeing that the sides of the precast concrete manhole are flat and the dimensions meet the standards, improving the production quality of the precast manhole mold, and is applicable to precast concrete manhole molds.

[0031] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A precast concrete manhole mold, comprising: The manhole outer mold (1) and manhole inner mold (11), wherein the manhole inner mold (1) is provided inside the manhole outer mold (1), characterized in that: An inner positioning plate (2) is inserted into the inner corner of the inner mold (11) of the inspection well. A fixing block (21) is welded to the upper surface of the inner positioning plate (2). An X-shaped support plate (4) is provided in the middle of the inner side of the inner mold (11). An extension plate (43) is welded to the side end of the X-shaped support plate (4). The side end of the inner positioning plate (2) is connected to the side end extension plate (43) of the X-shaped support plate (4) through a connecting plate (22). An outer positioning plate (3) is inserted into the outer corner of the outer mold (1) of the inspection well. A fixing stud (31) is welded to the upper side wall of the outer positioning plate (3). The surface of the fixing stud (31) is connected to the fixing block (21) through a double nut assembly (32). Ultrasonic vibrating heads (5) are symmetrically distributed on the left and right sides of the X-shaped support plate (4). The end face of the ultrasonic vibrating head (5) is in contact with the inner wall of the inner mold (11) of the inspection well.

2. The precast concrete assembly manhole mold according to claim 1, characterized in that, The outer mold (1) and inner mold (11) of the manhole are arranged in a U-shape. Four sets of inner positioning plates (2) and outer positioning plates (3) are respectively inserted into the side ends of the outer mold (1) and inner mold (11).

3. The precast concrete assembly manhole mold according to claim 1, characterized in that, The upper end of the inner positioning plate (2) is fitted with a fixing stud (31) through a fixing block (21), and the double nut assembly (32) is screwed to the two end faces of the fixing block (21).

4. The precast concrete assembly manhole mold according to claim 1, characterized in that, A handle (41) is installed on the upper end face of the X-shaped support plate (4), and a connecting cylinder (42) is welded on the left and right sides of the X-shaped support plate (4). An adjusting stud (54) is screwed into the connecting cylinder (42).

5. A precast concrete assembly manhole mold according to claim 1, characterized in that, A connecting plate (22) is inserted into the inner side of the extension plate (43). A positioning hole (44) is opened on the surface of the extension plate (43). The connecting plate (22) is connected to the positioning hole (44) on the surface of the connecting plate (22) by fastening bolts (23).

6. A precast concrete assembly manhole mold according to claim 4, characterized in that, The outer end of the adjusting stud (54) is fixed with a stud head (53), and an ultrasonic vibrating head (5) is sleeved on the inner side of the stud head (53); and the ultrasonic vibrating head (5) is distributed at the spacing of the inner positioning plate (2).

7. A precast concrete assembly manhole mold according to claim 1, characterized in that, The ultrasonic vibrating head (5) has a wiring port (52) on its side, and an ultrasonic generator (51) is placed on the outside of the manhole mold (1).

8. A precast concrete manhole mold according to claim 7, characterized in that, The ultrasonic vibrating head (5) is electrically connected to an ultrasonic generator (51) through a wiring port (52).

Images