A precast concrete wall panel and its assembly method

Abstract

This application relates to a precast concrete wall panel and its assembly method, comprising a base, a main body, and a warning rod. The base is fixedly connected to the ground. A positioning groove is provided at one end of the base facing the main body, extending vertically through the base. The positioning groove is used to place the end of the main body, allowing the reinforcement to be accurately inserted into the sleeve. The groove wall has an installation opening with a horizontal axis. The warning rod is slidably connected to the inner wall of the installation opening, and the sliding direction of the warning rod is parallel to the axis of the installation opening. When installing the main body, there is no need to repeatedly move it with a mirror to observe whether the reinforcement is aligned with the sleeve; simply place the main body into the positioning groove. This simplifies the operation, improves construction efficiency, and the sliding of the warning rod within the installation opening determines whether the main body is installed vertically.

Description

Technical Field

[0001] This application relates to the field of precast concrete components, and more particularly to a precast concrete wall panel and its assembly method. Background Technology

[0002] Precast concrete wall panels are reinforced concrete slab components prefabricated in factories or on construction sites for building assembly. They offer advantages such as fast construction speed and low overall cost. One end of the precast concrete wall panel has a pre-embedded steel sleeve, and the reinforcement extends from the other end.

[0003] During assembly, the reinforcing bars of the precast concrete wall panels from the next floor extend through the beams from this floor. The precast concrete wall panels of this floor are hoisted above the reinforcing bars of the lower floor. The reinforcing sleeves of the precast concrete wall panels of this floor are then fitted onto the extending reinforcing bars of the lower floor. After adjusting the posture of the precast concrete wall panels of this floor, grout is injected into the reinforcing sleeves. The cement mortar tightly connects the reinforcing sleeves of this floor to the reinforcing bars of the lower floor. Appropriate support facilities are used to maintain the stability of the precast concrete wall panels of this floor until the cement mortar reaches its working strength.

[0004] However, when hoisting the precast concrete wall panels of this floor to the reinforcement of the lower floor, the reinforcement of the lower floor needs to be accurately inserted into the steel sleeve of this floor. On the construction site, workers often need to bend over to observe or use a mirror to observe. When adjusting the posture of the precast wall panels, a level and plumb line need to be installed on the wall panels for observation, which is prone to errors, affects the construction speed, increases the workload of workers, and is not conducive to standardized construction. Summary of the Invention

[0005] To improve construction efficiency, this application provides a precast concrete wall panel and its assembly method.

[0006] Firstly, the precast concrete wall panel provided in this application adopts the following technical solution:

[0007] A precast concrete wall panel includes a base, a body, and a warning rod. The base is fixedly connected to the ground. One end of the base facing the body has a positioning groove that extends vertically through the base. The positioning groove is used to place the end of the body so that reinforcement can be accurately inserted into a sleeve. The groove wall has an installation opening with the axis of the installation opening being horizontal. The warning rod is slidably connected to the inner wall of the installation opening, and the sliding direction of the warning rod is parallel to the axis of the installation opening.

[0008] By adopting the above technical solution, there is no need to repeatedly move the main body with the aid of a mirror to observe whether the reinforcement is aligned with the sleeve. The main body can be placed into the positioning groove, which is simple to operate and improves construction efficiency. The warning rod slides in the installation opening to determine whether the main body is installed vertically.

[0009] Preferably, each of the three walls of the positioning groove is provided with an installation port, and each wall of the positioning groove is provided with multiple installation ports. The multiple installation ports are spaced apart in the vertical direction. Multiple warning rods are provided, and each warning rod is provided in a one-to-one correspondence with an installation port.

[0010] By adopting the above technical solution, the tilt degree of the main body can be determined by judging the movement distance of the warning bar in each installation port, which makes it easy to adjust the placement of the main body to make it vertical. There is no need to hang a plumb line on the main body for judgment, which is simple to operate and improves construction efficiency.

[0011] Preferably, the precast concrete wall panel further includes a display rod, a first gear, a second gear, a first rack, and a second rack. The outer wall of the base is provided with a guide opening. The display rod is slidably connected to the inner wall of the guide opening. The sliding direction of the display rod is parallel to the sliding direction of the warning rod. The base is provided with a mounting cavity. The two sides of the mounting cavity are respectively connected to the guide opening and the mounting opening. The first gear and the second gear are both rotatably embedded in the mounting cavity. The first gear and the second gear mesh with each other. The first rack is fixedly connected to the warning rod and meshes with the first gear. The second rack is fixedly connected to the display rod and meshes with the second gear.

[0012] By adopting the above technical solution, the sliding of the warning rod drives the first rack to slide, the first gear to rotate, the second gear to rotate, and the sliding of the second rack causes the display rod to slide. The length of the extended parts of the multiple display rods is used to determine whether the main body is placed vertically, reminding the operator to adjust the position of the main body and improving assembly efficiency.

[0013] Preferably, the display rod is provided with a scale, and the scale is engraved with numbers.

[0014] By adopting the above technical solution, the length of each display rod is determined by a scale display, which improves the efficiency of judging whether the body is vertical and makes the operation simple.

[0015] Preferably, the precast concrete wall panel further includes a spring and a stop rod. The stop rod is fixedly connected to the lower end of the display rod, one end of the spring is fixedly connected to the stop rod, and the other end of the spring is fixedly connected to the outer wall of the base. The spring retraction is used to control the reset of the display rod and the warning rod.

[0016] By adopting the above technical solution, when the main body is not vertical, the position of the main body can be adjusted. During the adjustment process, the warning rod will always be in contact with the main body due to the spring force. While adjusting the main body, the length of the extended display rod can be observed to determine whether the main body is vertical. This makes it easy to adjust the posture of the main body, the operation is simple, and the assembly efficiency is improved.

[0017] Preferably, one end of the warning rod is used to abut against the main body, and the upper end of the warning rod is provided with a guide surface, the distance of the guide surface from the ground decreasing as it approaches the main body.

[0018] By adopting the above technical solution, during the installation of the main body, as the main body slides downward into the positioning groove, it first abuts against the guide surface to make the warning rod slide, reducing the probability of the warning rod breaking during the assembly process and reducing the probability of the main body being blocked by the warning rod and unable to move downward, thus improving assembly efficiency.

[0019] Preferably, the base includes a positioning base, a mounting base, and a water tank. The positioning base is provided with a positioning groove. The mounting base is detachably connected to the ground. The positioning base is detachably connected to the mounting base. The water tank is fixedly connected to the outer wall of the positioning base. The water tank is a transparent water tank. The outer wall of the water tank has a baseline.

[0020] By adopting the above technical solution, the relative position of the water surface in the water tank and the baseline is used to determine whether the positioning seat is installed horizontally and vertically. By adjusting the installation of the positioning seat, the water surface in the water tank is made to be coplanar with the baseline, which makes it easier to judge whether the main body is vertical based on the warning bar. The mounting seat can be disassembled for repeated use.

[0021] Preferably, the mounting base includes a fixing block, an adjusting block, a first lead screw, a first slider, a second lead screw, and a second slider. The fixing block is detachably connected to the ground. The upper end of the fixing block has a fixing opening. The lower end of the adjusting block has a first sliding groove. The first lead screw is threaded to the inner wall of the fixing opening. The upper end of the first lead screw is hinged to the first slider. The hinge axis between the first lead screw and the first slider is perpendicular to the length direction of the first sliding groove. The first slider is slidably embedded in the first sliding groove. The upper end of the adjusting block has an adjusting opening. The lower end of the positioning base has a second sliding groove. The second lead screw is threaded to the inner wall of the adjusting opening. The upper end of the second lead screw is hinged to the second slider. The hinge axis between the second lead screw and the second slider is perpendicular to the length direction of the second sliding groove. The second slider is slidably embedded in the second sliding groove. The length direction of the first sliding groove is perpendicular to the length direction of the second sliding groove.

[0022] By adopting the above technical solution, the position of the positioning seat is adjusted by rotating the first lead screw and the second lead screw, so that the water surface of the water tank is coplanar with the baseline, ensuring that the positioning seat can be used as a reference to determine whether the main body is placed vertically, and the operation is simple.

[0023] Secondly, this application provides a method for assembling precast concrete wall panels, employing the following technical solution:

[0024] A method for assembling precast concrete wall panels includes the following steps:

[0025] Install the mounting base and adjust the positioning base so that the water surface of the water tank is coplanar with the baseline.

[0026] After lifting the main body, align it with the positioning slot and place it.

[0027] Adjust the position of the main body according to the display lever;

[0028] Install long and short diagonal supports;

[0029] Fill the gap between the body and the ground;

[0030] Grout is injected into the sleeve from the grouting port of the main body.

[0031] By adopting the above technical solution, the base can achieve the installation and positioning of the main body, and the base can adjust the verticality of the main body installation. The operation is simple, the assembly is convenient, and the assembly efficiency is improved.

[0032] In summary, this application includes at least one of the following beneficial technical effects:

[0033] 1. When installing the main body, there is no need to repeatedly move it with the help of a mirror to observe whether the reinforcement is aligned with the sleeve. Just put the main body into the positioning groove. The operation is simple and improves construction efficiency. The warning bar slides in the installation opening to determine whether the main body is installed vertically.

[0034] 2. The degree of tilt of the main body can be determined by judging the movement distance of the warning bar in each installation port, which makes it easy to adjust the placement of the main body to make it vertical. There is no need to hang a plumb line on the main body for judgment, which is simple to operate and improves construction efficiency.

[0035] 3. Determine whether the positioning seat is installed horizontally and vertically by the relative position of the water surface in the water tank and the baseline. Adjust the installation of the positioning seat so that the water surface in the water tank is coplanar with the baseline, which makes it easier to determine whether the main body is vertical by the warning bar. The mounting seat can be disassembled for repeated use. Attached Figure Description

[0036] Figure 1 This is a schematic diagram of the overall structure of precast concrete wall panels.

[0037] Figure 2 This is a schematic diagram of the overall structure of the base, adjustment components, warning components, and blocking components.

[0038] Figure 3 This is a schematic diagram of the overall structure of the mounting base and adjustment components.

[0039] Figure 4 This is a schematic diagram of the internal structure of the seat, adjustment components, water tank, warning components, and blocking components after being cut open.

[0040] Figure 5 This is a schematic diagram of the internal structure of the mounting base and adjustment components after being cut open.

[0041] Figure 6 yes Figure 3 Enlarged view of point A in the middle.

[0042] Figure 7 yes Figure 4 Enlarged view of point B in the middle.

[0043] Figure 8 This is a schematic diagram of the overall structure of the warning components and blocking parts.

[0044] Explanation of reference numerals in the attached drawings: 1. Base; 11. Mounting base; 111. Fixing block; 1111. Connecting groove; 1112. Connecting port; 1113. Fixing port; 1114. First rotating port; 112. Adjusting block; 1121. First sliding groove; 1122. Adjusting port; 1123. Second rotating port; 113. First lead screw; 1131. First limiting groove; 114. First slider; 115. Second lead screw; 1151. Second limiting groove; 116. Second slider; 12. Positioning base; 121. Second sliding groove; 122. Positioning groove; 123. Mounting port; 124. Guide port; 125. Mounting cavity; 2 1. Adjustment component; 21. First rotating column; 22. Third gear; 221. First limit key; 23. Fourth gear; 25. First handwheel; 26. Second rotating column; 27. Fifth gear; 271. Second limit key; 28. Sixth gear; 29. ​​Second handwheel; 3. Main body; 4. Water tank; 5. Warning component; 51. Warning rod; 511. Guide surface; 52. Display rod; 53. First rack; 54. Second rack; 55. First gear; 551. First rotating column; 56. Second gear; 561. Second rotating column; 57. Abutment rod; 58. Spring; 6. Blocking component; 61. Baffle; 62. Stop post. Detailed Implementation

[0045] The following is in conjunction with the appendix Figure 1-8 This application will be described in further detail.

[0046] This application discloses a precast concrete wall panel. (Refer to...) Figure 1 The precast concrete wall panel includes a base 1, an adjustment component 2, a main body 3, a water tank 4, a warning component 5, and a blocking component 6.

[0047] Reference Figure 2 The base 1 includes a mounting base 11 and a positioning base 12.

[0048] Reference Figure 3 and Figure 4 The mounting base 11 includes a fixing block 111, an adjusting block 112, a first lead screw 113, a first slider 114, a second lead screw 115, and a second slider 116.

[0049] Reference Figure 5 The four corners of the fixing block 111 are provided with connecting grooves 1111, and the bottom of the connecting groove 1111 is provided with a connecting port 1112. The connecting port 1112 passes through the fixing block 111 vertically, and the screw passes through the connecting port 1112 and is threaded to the ground.

[0050] Reference Figure 3 A mounting base 11 includes two fixing blocks 111. Each fixing block 111 has a fixing opening 1113 at its upper end. The axis of the fixing opening 1113 is vertical. The length direction of the adjusting block 112 is perpendicular to the length direction of the fixing block 111. The lower end of the adjusting block 112 has two first sliding grooves 1121. The first sliding grooves 1121 are corresponding to the fixing openings 1113 one by one. The length direction of the first sliding grooves 1121 is parallel to the length direction of the adjusting block 112. The outer wall of the first lead screw 113 is threaded to the inner wall of the fixing opening 1113. The upper end of the first lead screw 113 is hinged to the first slider 114. The hinge axis of the first lead screw 113 and the first slider 114 is parallel to the length direction of the fixing block 111. The first slider 114 is slidably embedded in the first sliding groove 1121. The first sliding groove 1121 is a trapezoidal groove, and the first slider 114 is a trapezoidal block.

[0051] Reference Figure 4 The upper end of the adjusting block 112 has two adjusting ports 1122, the axis of which is vertical. The two adjusting ports 1122 are spaced apart along the width direction of the adjusting block 112. The lower end of the positioning seat 12 has two second sliding grooves 121, which are corresponding to the adjusting blocks 112. The length direction of the second sliding grooves 121 is parallel to the length direction of the fixed block 111. The outer wall of the second lead screw 115 is threaded to the inner wall of the adjusting port 1122. The upper end of the second lead screw 115 is hinged to the second slider 116. The hinge axis between the second lead screw 115 and the second slider 116 is parallel to the length direction of the adjusting block 112. The second slider 116 is slidably embedded in the second sliding groove 121. The second sliding groove 121 is a trapezoidal groove, and the second slider 116 is a trapezoidal block.

[0052] Reference Figure 6 and Figure 7 The adjustment assembly 2 includes a first rotating column 21, a third gear 22, a fourth gear 23, a first handwheel 25, a second rotating column 26, a fifth gear 27, a sixth gear 28, and a second handwheel 29.

[0053] Reference Figure 6The upper end of the fixed block 111 is provided with a first rotating opening 1114, the axis of the first rotating opening 1114 is vertical, the first rotating column 21 is rotatably embedded in the first rotating opening 1114, the diameter of the first rotating column 21 is equal to the diameter of the first rotating opening 1114, the outer wall of the first lead screw 113 is provided with a first limiting groove 1131, the third gear 22 is slidably sleeved on the outer circumference of the first lead screw 113, the inner circumference of the third gear 22 is connected to a first limiting key 221, the first limiting key 221 is slidably embedded in the first limiting groove 1131, the sliding direction of the first limiting key 221 is vertical, the fourth gear 23 is coaxially fixedly connected to the outer wall of the first rotating column 21, the third gear 22 meshes with the fourth gear 23, the first handwheel 25 is coaxially fixedly connected to the outer wall of the first rotating column 21, the distance from the first handwheel 25 to the fixed block 111 is greater than the distance from the fourth gear 23 to the fixed block 111.

[0054] Reference Figure 7 The upper end of the adjusting block 112 is provided with a second rotating port 1123. The axis of the second rotating port 1123 is vertical. There are two second rotating ports 1123, and each second rotating port 1123 is arranged in a one-to-one correspondence with the second lead screw 115. The second rotating column 26 is rotatably embedded in the second rotating port 1123. The diameter of the second rotating column 26 is equal to the diameter of the second rotating port 1123. The outer wall of the second lead screw 115 is provided with a second limiting groove 1151. The fifth gear 27 is slidably sleeved on the second lead screw 115. The outer periphery of the fifth gear 27 is connected to the inner periphery of the fifth gear 27. The second limit key 271 is slidably embedded in the second limit groove 1151. The sliding direction of the second limit key 271 is vertical. The sixth gear 28 is coaxially fixedly connected to the outer wall of the second rotating column 26. The fifth gear 27 meshes with the sixth gear 28. The second handwheel 29 is coaxially fixedly connected to the outer wall of the second rotating column 26. The distance from the second handwheel 29 to the adjusting block 112 is greater than the distance from the sixth gear 28 to the adjusting block 112.

[0055] Reference Figure 1 There are two seats 1, which are respectively located on both sides of the body 3. The positioning seat 12 has a positioning groove 122 at one end facing the body 3. The positioning groove 122 passes through the positioning seat 12 in the vertical direction. The positioning groove 122 is used for the end of the body 3 to be placed, so that the reinforcement is accurately inserted into the sleeve.

[0056] Reference Figure 1 and Figure 3 The adjusting block 112 is located on the side of the positioning groove 122 away from the main body 3. Two fixing blocks 111 are respectively located on both sides of the positioning groove 122. The water tank 4 is fixedly connected to the end of the positioning seat 12 away from the main body 3. The water tank 4 is a cubic transparent water tank 4. The outer wall of the water tank 4 has a baseline. The positioning seat 12 is in a horizontal and vertical state. The water surface in the water tank 4 is coplanar with the baseline.

[0057] Reference Figure 8 The warning component 5 includes a warning lever 51, a display lever 52, a first rack 53, a second rack 54, a first gear 55, a second gear 56, an abutment lever 57, and a spring 58.

[0058] Reference Figure 1 and Figure 4 The positioning groove 122 has three groove walls with mounting ports 123. The axis of the mounting ports 123 is horizontal. Each positioning groove 122 has two mounting ports 123 on its groove wall. The two mounting ports 123 are spaced apart in the vertical direction. There are six warning rods 51. The warning rods 51 are set one-to-one with the mounting ports 123. The sliding direction of the warning rods 51 is parallel to the axis of the mounting ports 123. The warning rods 51 are provided with guide surfaces 511 at the upper end of the positioning groove 122. One end of the warning rods 51 abuts against the end face of the body 3. The distance from the guide surface 511 to the ground decreases as it gets closer to the body 3.

[0059] The outer wall of the positioning seat 12 is provided with guide ports 124, six of which are provided. Each guide port 124 corresponds to a mounting port 123. The guide ports 124 are located below the mounting ports 123. The positioning seat 12 is provided with mounting cavities 125, six of which are provided. Each mounting cavity 125 corresponds to a guide port 124. The mounting cavities 125 are located between the guide ports 124 and the mounting ports 123. The two ends of the mounting cavities 125 are connected to the guide ports 124 and the mounting ports 123, respectively. The guide ports 124, mounting cavities 125, and mounting ports 123 extend towards one end away from the main body 3 and penetrate the positioning seat 12. The water tank 4 is located below the guide ports 124.

[0060] Reference Figure 4 and Figure 8 The display rod 52 is slidably connected to the inner wall of the guide port 124. The sliding direction of the display rod 52 is parallel to the sliding direction of the warning rod 51. The end of the warning rod 51 facing the display rod 52 is connected to the first rack 53, and the end of the display rod 52 facing the warning rod 51 is connected to the second rack 54. The first gear 55 is coaxially fixedly connected to the first rotating column 551, and the second gear 56 is coaxially fixedly connected to the second rotating column 561. The first rotating column 551 and the second rotating column 561 are both rotatably connected to the inner wall of the mounting cavity 125. The rotation axis of the first rotating column 551 and the rotation axis of the second rotating column 561 are horizontal and perpendicular to the sliding direction of the display rod 52. The first gear 55 and the second gear 56 mesh, the first rack 53 meshes with the first gear 55, and the second rack 54 meshes with the second gear 56.

[0061] The upper surface of the warning rod 51 is provided with a scale, and the scale is engraved with numbers. The abutment rod 57 is fixedly connected to the lower end of the display rod 52. One end of the spring 58 is fixedly connected to the end of the abutment rod 57 facing the positioning seat 12, and the other end of the spring 58 is fixedly connected to the outer wall of the positioning seat 12. The retraction of the spring 58 is used to control the reset of the display rod 52 and the warning rod 51.

[0062] There are six blocking components 6, and each blocking component 6 is arranged in a one-to-one correspondence with the mounting cavity 125. The blocking component 6 includes a baffle 61 and a stop post 62. There are four stop posts 62. One end of the stop post 62 is fixedly connected to the baffle 61, and the other end of the stop post 62 is used to abut against the first rotating post 551 and the second rotating post 561. When the stop post 62 abuts against the first rotating post 551 and the second rotating post 561, the baffle 61 is attached to the outer wall of the positioning seat 12. The baffle 61 is fixedly connected to the outer wall of the positioning seat 12 by screws.

[0063] The implementation principle of a precast concrete wall panel in this application embodiment is as follows: the fixing block 111 is fixedly installed on the ground. The first handwheel 25 and the second handwheel 29 are rotated according to the relative position of the water surface of the water tank 4 and the baseline. The position of the positioning seat 12 is adjusted so that the water surface of the water tank 4 is coplanar with the baseline. The body 3 is inserted into the positioning groove 122. The body 3 abuts against the guide surface 511, causing the warning rod 51 to slide, the first rack 53 to slide, the first gear 55 to rotate, the second gear 56 to rotate, the second rack 54 to slide, the display rod 52 to slide, and the spring 58 to extend. The lengths of multiple display rods 52 extending out of the guide opening 124 are compared, and the position of the body 3 is adjusted so that the lengths of the two display rods 52 extending out of the guide opening 124 on each end face of the positioning seat 12 are the same. At this time, the body 3 is vertical.

[0064] This application also discloses a method for assembling precast concrete wall panels, including the following steps:

[0065] Install the base 1 and adjust the positioning seat 12 so that the water surface of the water tank 4 is coplanar with the baseline. The two bases 1 are respectively located on both sides of the ground reinforcement.

[0066] After lifting the main body 3, place it in the positioning slot 122;

[0067] Adjust the position of the main body 3 according to the display lever 52 by inserting a shim under the main body 3;

[0068] Install long and short diagonal supports;

[0069] Fill the gap between the main body 3 and the ground;

[0070] Grout is injected into the sleeve from the grouting port of the main body 3.

[0071] The implementation principle of the concrete precast wall panel assembly method in this application embodiment is as follows: the base 1 can realize the positioning function of the body 3 during installation, the base 1 can realize the detection function of the verticality of the body 3, and the assembly efficiency is improved by installing the base 1 in advance.

[0072] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A precast concrete wall panel, characterized in that: The device includes a base (1), a body (3), and a warning rod (51). The base (1) is fixedly connected to the ground. The end of the base (1) facing the body (3) is provided with a positioning groove (122). The positioning groove (122) extends vertically through the base (1). The positioning groove (122) is used for placing the end of the body (3) so that the reinforcing bar can be accurately inserted into the sleeve. The groove wall of the positioning groove (122) is provided with an installation port (123). The axis of the installation port (123) is horizontal. The warning rod (51) is slidably connected to the inner wall of the installation port (123). The sliding direction of the warning rod (51) is parallel to the axis of the installation port (123). The three walls of the positioning groove (122) are provided with mounting ports (123). Each wall of the positioning groove (122) is provided with multiple mounting ports (123). The multiple mounting ports (123) are spaced apart in the vertical direction. The warning rod (51) is provided with multiple ones. The warning rod (51) is provided in a one-to-one correspondence with the mounting ports (123). It also includes a display rod (52), a first gear (55), a second gear (56), a first rack (53), and a second rack (54). The outer wall of the base (1) is provided with a guide opening (124). The display rod (52) is slidably connected to the inner wall of the guide opening (124). The sliding direction of the display rod (52) is parallel to the sliding direction of the warning rod (51). The base (1) is provided with a mounting cavity (125). The two sides of the mounting cavity (125) are respectively connected to the guide opening (124) and the mounting opening (123). The first gear (55) and the second gear (56) are both rotatably embedded in the mounting cavity (125). The first gear (55) and the second gear (56) mesh with each other. The first rack (53) is fixedly connected to the warning rod (51). The first rack (53) meshes with the first gear (55). The second rack (54) is fixedly connected to the display rod (52). The second rack (54) meshes with the second gear (56). The display rod (52) is provided with a scale, and the scale is engraved with numbers; It also includes a spring (58) and a stop rod (57), the stop rod (57) being fixedly connected to the lower end of the display rod (52), one end of the spring (58) being fixedly connected to the stop rod (57), and the other end of the spring (58) being fixedly connected to the outer wall of the base (1). The spring (58) retracts to control the reset of the display rod (52) and the warning rod (51). One end of the warning rod (51) is used to abut against the body (3), and the upper end of the warning rod (51) is provided with a guide surface (511). The distance from the guide surface (511) to the ground decreases as it approaches the body (3).

2. The precast concrete wall panel according to claim 1, characterized in that: The base (1) includes a positioning base (12), a mounting base (11) and a water tank (4). The positioning base (12) is provided with a positioning groove (122). The mounting base (11) is detachably connected to the ground. The positioning base (12) is detachably connected to the mounting base (11). The water tank (4) is fixedly connected to the outer wall of the positioning base (12). The water tank (4) is a transparent water tank (4). The outer wall of the water tank (4) has a baseline.

3. A method for assembling precast concrete wall panels, comprising the precast concrete wall panels as described in claim 2, characterized in that, Includes the following steps: Install the base (1) and adjust the positioning seat (12) so that the water surface of the water tank (4) is coplanar with the baseline; After lifting the main body (3), place it in the positioning slot (122); Adjust the position of the main body (3) according to the display lever (52); Install long and short diagonal supports; Fill the gap between the main body (3) and the ground; Grout is injected into the sleeve from the grouting port of the main body (3).

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