A comprehensive pipe gallery pre-burying board installation positioning device

Abstract

The utility model discloses a utility tunnel inner pre -buried plate installation positioner, including the two vertical support of affixing in the concrete form outside, the sliding connection of vertical support between multiple horizontal supports, set up at least two locating pin holes on horizontal support, and multiple support bolt passes through locating pin hole and concrete form on horizontal support in proper order, and the pre -buried plate upper end portion limit of concrete form inside, and support bolt one end is welded with pre -buried plate, and the other end is connected with horizontal support. The device stands in the concrete form outside, and the pre -buried plate is placed in the concrete form inside, and after the pre -buried plate upper end portion limit of support bolt, realizes the firm fixing of pre -buried plate and first form and the device through welding etc. The device can realize the quick, accurate positioning of multiple pre -buried plates, is not easy to be disturbed displacement in the concrete pouring process, greatly improves the efficiency of utility tunnel electromechanical installation pre -buried plate installation work, and can be repeatedly used.

Description

Technical Field

[0001] This utility model belongs to the field of integrated utility tunnel construction technology, specifically relating to a pre-embedded plate installation and positioning device in an integrated utility tunnel. Background Technology

[0002] Before the advent of underground utility tunnels, the maintenance and repair of various underground pipelines led to repeated road excavation and filling, which had a significant negative impact on urban traffic. Underground utility tunnels have solved this problem well. By laying various municipal pipelines in a centralized manner through "underground tunnels," they are arranged in a space independent of traffic roads, thereby freeing up urban space, improving the smooth operation of the traffic network, and reducing maintenance costs.

[0003] The installation of electromechanical embedded components within integrated utility tunnels is a crucial step in construction and a vital component of overall construction quality control. In integrated utility tunnel projects, the installation of embedded components within the tunnel walls involves a massive amount of work, and it's common to see multiple embedded plates arranged at different heights in the same vertical location. Traditional installation methods typically involve drilling for fixation or connecting and fixing with reinforcing steel bars within the wall. When multiple embedded plates are arranged at different heights in the same vertical location, installing them one by one using traditional methods requires repeated measurements and positioning, resulting in low efficiency and difficulty in quality control.

[0004] Chinese patent application number 202321931269.2 discloses a reusable positioning device for embedded plates in underground integrated pipe corridors. The device is hung on the top horizontal steel bar of the steel cage, and the column is attached to the steel cage. After adjusting the level, the embedded plate to be installed is placed on the corresponding bottom support bar and attached to the burial depth control bar, and then welding is performed. The welding process involves welding the embedded plate to the steel cage. The vibration during the concrete pouring and compaction process is very large, and the steel cage will deform, resulting in the position of the embedded plate not matching the accurate design position. In addition, the welding between the embedded plate and the reinforcing bars of the steel cage does not meet the "should not be welded" requirement of the specification. Summary of the Invention

[0005] To address the problems of low efficiency and difficulty in quality control in the installation of multiple embedded plates at different heights in the same vertical position, which require repeated measurement and positioning in existing technologies, this utility model provides an embedded plate installation and positioning device in a utility tunnel. This device can achieve rapid and accurate positioning of multiple embedded plates and prevent them from being disturbed or displaced during concrete pouring.

[0006] The objective of this utility model is achieved in the following manner:

[0007] An installation and positioning device for embedded plates in a utility tunnel includes two vertical supports attached to the outside of a concrete formwork, and multiple horizontal supports slidably connected between the two vertical supports. Each horizontal support is provided with at least two positioning pin holes. Multiple support pins pass through the positioning pin holes on the horizontal supports and the concrete formwork in sequence to limit the upper and lower ends of the embedded plate inside the concrete formwork. One end of the support pin is welded to the embedded plate, and the other end is connected to the horizontal support.

[0008] The cross-sectional shape of the support pin and the positioning pin hole is square.

[0009] An adjustable lead screw base is installed at the bottom of the vertical support.

[0010] The support pin is L-shaped.

[0011] A level is installed on the horizontal support.

[0012] A square tube is welded to the end of the horizontal support and fitted onto the vertical support. A locking bolt is installed on the side of the square tube away from the horizontal support, and the vertical support and the horizontal support are fixed by the locking bolt.

[0013] Compared to existing technologies, the embedded plate installation and positioning device disclosed in this utility model is positioned outside the concrete formwork, with the embedded plate placed inside. A support pin passes through the positioning pin hole on the horizontal support and the concrete formwork, limiting the upper and lower ends of the embedded plate. Then, one end of the support pin is welded to the embedded plate, and the other end is connected to the horizontal support, thus achieving a secure fixation between the embedded plate and the first formwork, as well as the embedded plate installation and positioning device within the utility tunnel. This device allows for rapid and precise positioning of multiple embedded plates, preventing disturbance and displacement during concrete pouring, significantly improving the efficiency of embedded plate installation in the electromechanical installation of utility tunnels, and is reusable. Furthermore, the horizontal support can slide on the vertical support, accommodating embedded plates of different heights and suitable for various working scenarios. Attached Figure Description

[0014] Figure 1 This is a side view of the present invention.

[0015] Figure 2 This is the front view of this utility model.

[0016] Figure 3 This is a schematic diagram of the horizontal support structure.

[0017] Among them, 1-vertical support, 2-support pin, 3-embedded plate, 4-first template, 5-second template, 6-horizontal reinforcement, 7-vertical reinforcement, 8-horizontal support, 9-positioning pin hole, 10-adjustable screw base, 11-square tube, 12-locking bolt. Detailed Implementation

[0018] The present invention will be further described below with reference to the accompanying drawings and specific embodiments. It should be understood that these embodiments are only for illustrating the present invention and are not intended to limit the scope of the present invention. After reading the contents of the present invention, those skilled in the art can make various alterations or modifications to the present invention, and these equivalent forms also fall within the scope defined by the present invention.

[0019] like Figure 1 , Figure 2 As shown, a pre-embedded plate installation and positioning device in a utility tunnel includes two vertical supports 1 attached to the outside of a first template 4, and multiple horizontal supports 8 slidably connected between the two vertical supports 1. Each horizontal support 8 is provided with at least two positioning pin holes 9. Multiple support pins 2 pass through the positioning pin holes 9 on the horizontal supports 8 and the first template 4 in sequence to limit the upper and lower ends of the pre-embedded plate 3 inside the first template 4. One end of the support pin 2 is welded to the pre-embedded plate 3, and the other end is connected to the horizontal support 8.

[0020] The connection between the support pin 2 and the horizontal support 8 refers to a threaded connection, or a washer is fitted onto the part of the support pin 2 that extends out of the horizontal support 8, and the support pin 2 is welded and fixed to the washer, so that the support pin 2 will not move from the positioning pin hole 9.

[0021] Workflow: After the vertical reinforcing bars 7 and horizontal reinforcing bars 6 inside the utility tunnel wall are tied, prepare the first formwork 4, mark the position of the embedded plate 3 on the first formwork 4, and then connect the first formwork 4 to the tied reinforcing bars using tie rods. Place the embedded plate installation and positioning device for the utility tunnel (the outer side, i.e., the side away from the vertical reinforcing bars 7 and horizontal reinforcing bars 6) close to the outside of the first formwork 4. The support pin 2 passes through the positioning pin hole 9 on the horizontal support of the embedded plate installation and positioning device for the utility tunnel and penetrates the first formwork 4. Connect the embedded plate installation and positioning device for the utility tunnel to the first formwork 4. The plates 4 are fixed together, and at least two support pins 2 pass through each horizontal support 8. Multiple support pins 2 on adjacent horizontal supports 8 extend out of the first template 4. Embedded plates 3 are installed between the multiple support pins 2 on the inner side of the first template 4 (the inner side, i.e., the side closest to the vertical reinforcement 7 and horizontal reinforcement 6). The multiple support pins 2 limit the upper and lower ends of the embedded plates 3. At this time, a precise adjustment and positioning is performed again. Then, one end of the support pin 2 is welded to the embedded plate 3, and the other end is connected to the horizontal support 8, thus firmly fixing the embedded plate to the first template 4 and the embedded plate installation positioning device in the integrated pipe gallery. Finally, the second template 5 is installed. Through the mutual connection of the intermediate tie rods, the second template 5 and the first template 4 form an integral template system. Concrete is poured into the space between the two templates and vibrated. Since the embedded plates 3 are fixed together with the first template 4 and the embedded plate installation positioning device in the integrated pipe gallery, rather than fixed together with the reinforcement cage, the embedded plates will not shift during concrete vibration.

[0022] After the concrete is poured and reaches a certain strength, the installation and positioning device for the embedded plate in the integrated utility tunnel and the concrete formwork are removed. During removal, the nut at the end of the support pin 2 is unscrewed or the end of the support pin 2 is cut off directly with a handheld angle grinder. The installation and positioning device for the embedded plate in the integrated utility tunnel and the first formwork 4 are then removed in sequence. Then, the second formwork 5 is dismantled according to the existing construction process.

[0023] After using the device, the flatness of the embedded plate surface and the positioning of the embedded plate on the pipe gallery wall were measured and checked on site. The errors of both indicators were far below the national standard, which greatly met the installation quality requirements of the embedded parts.

[0024] Furthermore, if there is a deviation between the marked position (i.e. the design elevation position) of the embedded plate 3 on the first template 4 and the position of the positioning pin hole 9 and the support pin 2 of the embedded plate installation positioning device in the integrated utility tunnel, the adjustable screw base 10 set at the bottom of the vertical support 1 can be used to make precise vertical adjustment so that the positioning pin hole 9 and the support pin 2 reach the design elevation position.

[0025] Furthermore, the cross-sectional shape of the support pin 2 and the positioning pin hole 9 is designed to be square to avoid unstable positioning caused by the rotation of the round pin.

[0026] Furthermore, the support pin 2 can be designed as an L-shape, with the short side of the L-shape contacting the embedded plate 3. This short side can hold the embedded plate 3 in place. First, holes need to be drilled in the first template 4 to match the positions of the positioning pin holes 9. Then, the L-shaped support pin 2 is inserted sequentially through the positioning pin holes 9 on the first template 4 and the horizontal support from the inside of the first template 4. One end of the short side of the L-shape of the support pin 2 is welded to the embedded plate 3, and the other end of the L-shaped support pin 2, away from the embedded plate 3, is threaded to the horizontal support 8. Alternatively, a washer can be fitted onto the support pin 2 extending beyond the horizontal support, and the end of the support pin 2 can be welded to the washer for fixation. Alternatively, the short side of the L-shape of the support pin 2 can be placed in contact with the horizontal support, inserted through the positioning pin hole 9 on the horizontal support, then through the first template 4, and in contact with the top of the embedded plate 3. The support pin 2 is then welded to the embedded plate 3. The short side of the L-shape in contact with the horizontal support will not move relative to the horizontal support, so welding is unnecessary.

[0027] Furthermore, a level (not shown in the figure) is installed on each of the horizontal supports 8. The level on the horizontal support 8 can be used to observe the levelness of the device in a timely manner. If the device is found to be tilted, the adjustable screw base 10 at the bottom of the vertical support can be adjusted in time to avoid the pre-embedded plate being tilted and affecting the construction quality.

[0028] Furthermore, such as Figure 3As shown, a square tube 11 is welded to the end of the horizontal support 8. The square tube is sleeved on the vertical support 1. A locking bolt 12 is installed on the side of the square tube 11 away from the horizontal support. The vertical support 1 and the horizontal support 8 are fixed by the locking bolt 12. When installing embedded plates of different heights, the locking bolt 12 can be adjusted to allow the horizontal support 8 to slide on the vertical support 1, thereby adjusting the distance between two adjacent horizontal supports to accommodate embedded plates 3 of different heights. This makes the device suitable for different working scenarios.

[0029] The device disclosed in this utility model greatly improves the installation efficiency of embedded parts. This positioning device is simple to manufacture, easy to use, and provides highly accurate positioning of the embedded plate. It effectively avoids disturbance to the position of the embedded plate during concrete pouring and vibration, ensuring construction quality and reducing construction labor difficulty. The device can be reused multiple times, has high production efficiency, and is practical.

[0030] The above description is only a preferred embodiment of the present utility model. It should be noted that those skilled in the art can make several changes and improvements without departing from the overall concept of the present utility model, and these should also be considered within the protection scope of the present utility model.

Claims

1. A pre-embedded plate installation and positioning device in a utility tunnel, characterized in that: It includes two vertical supports (1) attached to the outside of the concrete formwork, and multiple horizontal supports (8) slidably connected between the two vertical supports (1). Each horizontal support (8) is provided with at least two positioning pin holes (9). Multiple support pins (2) pass through the positioning pin holes (9) on the horizontal supports (8) and the concrete formwork in sequence to limit the upper and lower ends of the embedded plate (3) on the inside of the concrete formwork. One end of the support pin (2) is welded to the embedded plate (3), and the other end is connected to the horizontal support (8).

2. The installation and positioning device for the embedded plate in the integrated utility tunnel according to claim 1, characterized in that: The cross-sectional shape of the support pin (2) and the positioning pin hole (9) is square.

3. The installation and positioning device for embedded plates in integrated utility tunnels according to claim 1, characterized in that: The vertical support (1) has an adjustable screw base (10) at the bottom.

4. The installation and positioning device for embedded plates in integrated utility tunnels according to claim 1 or 2, characterized in that: The support pin (2) is L-shaped.

5. The installation and positioning device for the embedded plate in the integrated utility tunnel according to claim 1, characterized in that: A level is installed on the horizontal support (8).

6. The installation and positioning device for the embedded plate in the integrated utility tunnel according to claim 1, characterized in that: A square tube (11) is welded to the end of the horizontal support (8). The square tube is sleeved on the vertical support (1). A locking bolt (12) is installed on the side of the square tube (11) away from the horizontal support. The vertical support (1) and the horizontal support (8) are fixed by the locking bolt (12).

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