An assembled lightweight prefabricated cable well

Abstract

A modular lightweight prefabricated cable well, this invention relates to the field of power equipment technology; symmetrical connecting slots are provided on the outer side of a first prefabricated block, and symmetrical connecting blocks are fixed on the outer side of a second prefabricated block, the connecting blocks being inserted into the connecting slots on their adjacent sides; symmetrical positioning blocks are fixed on the outer side of the first prefabricated block, the positioning blocks being positioned between the two connecting slots, and a positioning frame is provided on one side of the positioning block, the positioning frame having an "L" shaped structure, the horizontal end of the positioning frame being positioned on the upper side of the positioning block, the vertical end of the positioning frame being in contact with the positioning block, and a first positioning groove being provided on both the vertical end of the positioning frame and inside the positioning block; bolts are threadedly inserted into the first positioning groove; prefabricated panels are pre-made, allowing for transportation and installation according to actual processing needs, improving overall efficiency and shortening construction time; and the assembly of multiple prefabricated panels reduces the weight of each panel, facilitating transportation and installation.

Description

Technical Field

[0001] The present invention relates to the technical field of electric power equipment, and in particular to an assembled lightweight prefabricated cable well. Background Art

[0002] With the advancement of science and technology and the acceleration of urbanization, modern society has higher and higher requirements for power engineering construction. Cable wells are a facility used to lay and maintain cables. The construction of cable wells mainly adopts brickwork or on-site casting. Not only is the construction speed slow, the labor intensity of workers is high, and the quality is unstable. At the same time, the construction period is easily affected by factors such as seasonal weather. In addition, the construction period will have a great impact on traffic and the environment. Therefore, it can no longer meet the requirements of urban construction. Summary of the invention

[0003] The purpose of the present invention is to address the defects and shortcomings of the prior art and to provide an assembled lightweight prefabricated cable well with a simple structure, reasonable design and easy use. The prefabricated panels are prepared in advance and can be transported and installed according to actual processing needs, thereby improving the overall efficiency and shortening the construction time. Moreover, by assembling multiple prefabricated panels, the weight of each prefabricated panel can be reduced, making transportation and installation convenient.

[0004] To achieve the above-mentioned purpose, the technical solution adopted by the present invention is: it comprises several prefabricated ring bodies, which are contacted from top to bottom, and the prefabricated ring bodies are composed of several No. 1 prefabricated blocks and No. 2 prefabricated blocks, and several No. 1 prefabricated blocks are arranged alternately between the No. 1 prefabricated blocks and the No. 2 prefabricated blocks; it also comprises connecting plug-ins, positioning blocks, positioning frames, fixing blocks and fixing frames, the outer side of the No. 1 prefabricated block is symmetrically provided with connecting slots, the outer side of the No. 2 prefabricated block is symmetrically fixed with connecting plug-ins, and the connecting plug-ins are inserted into the connecting slots on the adjacent side thereof, the outer side of the No. 1 prefabricated block is symmetrically fixed with positioning blocks, the positioning blocks are arranged between the two connecting slots, a positioning frame is arranged on one side of the positioning block, and the positioning frame is arranged in an "L"-shaped structure, the horizontal end of the positioning frame is arranged on the upper side of the positioning block, the vertical end of the positioning frame is contacted with the positioning block, and the vertical end of the positioning frame and the fixing frame A No. 1 positioning groove is provided in each positioning block, and the bolt is inserted into the No. 1 positioning groove by threaded connection; a fixing block is symmetrically fixed on the outer side of the No. 2 prefabricated block, and the fixing block is flush with the positioning block. A fixing frame is provided on one side of the fixing block, and the fixing frame is an "L"-shaped structure. The horizontal end of the fixing frame is provided on the upper side of the fixing block, and the horizontal end of the fixing frame is in contact with the horizontal end of the positioning frame on the adjacent side, and the vertical end of the fixing frame is in contact with the fixing block. No. 2 positioning grooves are provided in the vertical end of the fixing frame and the fixing block, and the bolt is inserted into the No. 2 positioning groove by threaded connection; a No. 1 connecting groove is provided in the horizontal end of the positioning frame, and a No. 2 connecting groove is provided in the horizontal end of the fixing frame, and the No. 2 connecting groove is connected with the No. 1 connecting groove on the adjacent side, and the bolt is inserted into the No. 1 connecting groove and the No. 2 connecting groove by threaded connection.

[0005] Furthermore, several No. 1 connecting slots are provided on the upper and lower sides of the No. 1 prefabricated block, and several No. 1 connecting columns are provided between the upper and lower No. 1 prefabricated blocks, and the upper and lower ends of the No. 1 connecting columns are respectively inserted into the corresponding No. 1 connecting slots; the upper and lower No. 1 prefabricated blocks are installed and connected by the No. 1 connecting columns to strengthen the stability between the upper and lower No. 1 prefabricated blocks.

[0006] Furthermore, several No. 2 connecting slots are provided on the upper and lower sides of the No. 2 prefabricated block, and several No. 2 connecting columns are provided between the upper and lower No. 2 prefabricated blocks, and the upper and lower ends of the No. 2 connecting columns are respectively inserted into the corresponding No. 2 connecting slots; the upper and lower No. 2 prefabricated blocks are installed and connected by the No. 2 connecting columns to strengthen the stability between the upper and lower No. 2 prefabricated blocks.

[0007] Furthermore, a locking block No. 1 is symmetrically fixed to the outer side of the No. 1 prefabricated block, and a locking hole No. 1 is provided in the locking block No. 1, wherein the upper surface of the locking block No. 1 located on the upper side and the upper surface of the No. 1 prefabricated block are arranged on the same horizontal plane, and the lower surface of the locking block No. 1 located on the lower side and the lower surface of the No. 1 prefabricated block are arranged on the same horizontal plane, and the locking block No. 1 located on the upper side is arranged in contact with the locking block No. 1 on the lower side of the upper No. 1 prefabricated block, and the bolt is inserted into the two No. 1 locking holes in contact with each other through threaded connection; the stability of the upper and lower No. 1 prefabricated blocks is reinforced by the threaded connection between the No. 1 locking block and the bolt.

[0008] Furthermore, a No. 2 locking block is symmetrically fixed on the outer side of the No. 2 prefabricated block, wherein the upper surface of the No. 2 locking block on the upper side is arranged on the same horizontal plane as the upper surface of the No. 2 prefabricated block, and the lower surface of the No. 2 locking block on the lower side is arranged on the same horizontal plane as the lower surface of the No. 2 prefabricated block, and a plurality of No. 2 locking holes are provided on the No. 2 locking block on the upper side and the bottom of the No. 2 locking block on the lower side, and a plurality of locking plugs are provided between the No. 2 locking block on the upper side and the No. 2 locking block on the lower side of the upper No. 2 prefabricated block, and the upper and lower ends of the locking plugs are respectively inserted into the corresponding No. 2 locking holes; the upper and lower No. 2 locking blocks are inserted and connected by the locking plugs, thereby reinforcing the stability of the upper and lower No. 2 prefabricated blocks.

[0009] The working principle of the present invention is as follows: prefabricated block No. 1 and prefabricated block No. 2 are prepared in advance, and then transported to the construction site, and then prefabricated block No. 1 and prefabricated block No. 2 are spliced ​​into a prefabricated ring body, and a plurality of prefabricated ring bodies are sequentially combined from top to bottom to form a cable well, and finally, workers cast them to form a stable whole; when prefabricated block No. 1 and prefabricated block No. 2 are spliced ​​and combined, prefabricated block No. 2 and prefabricated block No. 1 are sequentially connected through the plug-in cooperation between the connecting plug block and the connecting slot; the positioning frame is installed and connected with the positioning block by bolts, so that the positioning frame is fixed on prefabricated block No. 1, and at the same time, the fixing frame is installed and connected with the fixing block by bolts, so that the fixing frame is fixed on prefabricated block No. 2, and finally, the adjacent positioning frames and fixing frames are tightly installed by bolts, and prefabricated block No. 1 and prefabricated block No. 2 are limited, so that the adjacent prefabricated block No. 1 and prefabricated block No. 2 are installed firmly.

[0010] After adopting the above structure, the beneficial effects of the present invention are:

[0011] 1. By pre-processing the No. 1 and No. 2 prefabricated blocks, it is only necessary to transport the No. 1 and No. 2 prefabricated blocks to the construction site for installation to form the prefabricated ring body. When multiple prefabricated ring bodies are installed, a cable well can be formed, which is convenient for workers to perform the pouring and finishing operations, thereby improving the overall construction efficiency;

[0012] 2. Prefabricated block No. 1 and prefabricated block No. 2 are reinforced by a double locking structure, thereby improving the overall stability of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0014] Figure 1 It is a structural schematic diagram of the present invention.

[0015] Figure 2 yes Figure 1 Top view of the .

[0016] Figure 3 yes Figure 1 AA section view.

[0017] Figure 4 It is a schematic diagram of the connection structure between two No. 1 prefabricated blocks adjacent to each other in the present invention.

[0018] Figure 5 It is a schematic diagram of the connection structure between two upper and lower adjacent No. 2 prefabricated blocks in the present invention.

[0019] Figure 6 It is a structural schematic diagram of the positioning frame in the present invention.

[0020] Figure 7 It is a structural schematic diagram of the fixing frame in the present invention.

[0021] Description of reference numerals:

[0022] Prefabricated ring body 1, prefabricated block No. 1 2, prefabricated block No. 2 3, connecting plug block 4, positioning block 5, positioning frame 6, fixing block 7, fixing frame 8, connecting slot 9, No. 1 positioning slot 10, No. 2 positioning slot 11, No. 1 connecting slot 12, No. 2 connecting slot 13, No. 1 connecting slot 14, No. 1 connecting column 15, No. 2 connecting slot 16, No. 2 connecting column 17, No. 1 locking block 18, No. 1 locking hole 19, No. 2 locking block 20, No. 2 locking hole 21, locking column 22. DETAILED DESCRIPTION

[0023] The present invention will be further described below in conjunction with the accompanying drawings.

[0024] See Figure 1-Figure 7As shown, the technical solution adopted in this specific embodiment is: it comprises several prefabricated ring bodies 1, several prefabricated ring bodies 1 are arranged in contact from top to bottom, the prefabricated ring body 1 is composed of several No. 1 prefabricated blocks 2 and No. 2 prefabricated blocks 3, and several No. 1 prefabricated blocks 2 and No. 2 prefabricated blocks 3 are arranged alternately; it also comprises connecting plug-in blocks 4, positioning blocks 5, positioning frames 6, fixing blocks 7 and fixing frames 8, the outer side of the No. 1 prefabricated block 2 is symmetrically provided with connecting slots 9, the outer side of the No. 2 prefabricated block 3 is symmetrically cast and fixed with connecting plug-in blocks 4, the connecting plug-in blocks 4 are inserted in the connecting slots 9 on the adjacent side thereof, the outer side of the No. 1 prefabricated block 2 is symmetrically cast and fixed with positioning blocks 5, the positioning block 5 is arranged between the two connecting slots 9, one side of the positioning block 5 is provided with a positioning frame 6, the positioning frame 6 is an "L"-shaped structure, the horizontal end of the positioning frame 6 is arranged on the upper side of the positioning block 5, the vertical end of the positioning frame 6 is in contact with the positioning block 5, and the vertical end of the positioning frame 6 and the positioning block 5 are provided with a No. 1 positioning groove 10, and the bolt is screwed and inserted in the No. 1 positioning groove 10 through a threaded connection; the outer side of the No. 2 prefabricated block 3 is symmetrically cast and fixed with a fixing block 7, the fixing block 7 is flush with the positioning block 5, and a fixing frame 8 is arranged on one side of the fixing block 7, and the fixing frame 8 is an "L"-shaped structure, the horizontal end of the fixing frame 8 is arranged on the upper side of the fixing block 7, and the horizontal end of the fixing frame 8 is in contact with the horizontal end of the positioning frame 6 on the adjacent side, and the vertical end of the fixing frame 8 is in contact with the fixing block 7, and the vertical end of the fixing frame 8 and A No. 2 positioning groove 11 is provided in the fixing block 7, and the bolt is inserted in the No. 2 positioning groove 11 by screwing; a No. 1 connecting groove 12 is provided in the horizontal end of the positioning frame 6, and a No. 2 connecting groove 13 is provided in the horizontal end of the fixing frame 8. The No. 2 connecting groove 13 is connected with the No. 1 connecting groove 12 on the adjacent side, and the bolt is inserted in the No. 1 connecting groove 12 and the No. 2 connecting groove 13 by screwing; two No. 1 connecting slots 14 are provided on the upper and lower sides of the No. 1 prefabricated block 2, and two No. 1 connecting columns 15 are provided between the upper and lower No. 1 prefabricated blocks 2. The upper and lower ends of the No. 1 connecting column 15 are respectively inserted in the corresponding No. 1 connecting slots 14, and the upper and lower No. 1 prefabricated blocks 2 are installed and connected by the No. 1 connecting column 15 , to strengthen the stability between the upper and lower No. 1 prefabricated blocks 2, a No. 1 locking block 18 is symmetrically cast and fixed on the outer side of the No. 1 prefabricated block 2, and a No. 1 locking hole 19 is provided in the No. 1 locking block 18, wherein the upper surface of the No. 1 locking block 18 on the upper side and the upper surface of the No. 1 prefabricated block 2 are arranged on the same horizontal plane, and the lower surface of the No. 1 locking block 18 on the lower side and the lower surface of the No. 1 prefabricated block 2 are arranged on the same horizontal plane, and the No. 1 locking block 18 on the upper side is in contact with the No. 1 locking block 18 on the lower side of the upper No. 1 prefabricated block 2, and the bolts are inserted into the two No. 1 locking holes 19 in contact with each other through threaded rotation, and the No. 1 locking block 18 and the bolts are threadedly rotated to cooperate, so as to strengthen the stability of the upper and lower No. 1 prefabricated blocks 2;Two No. 2 connection slots 16 are provided on the upper and lower sides of the No. 2 prefabricated block 3, and two No. 2 connection plugs 17 are provided between the upper and lower No. 2 prefabricated blocks 3. The upper and lower ends of the No. 2 connection plugs 17 are respectively inserted into the corresponding No. 2 connection slots 16, and the upper and lower No. 2 prefabricated blocks 3 are installed and connected by the No. 2 connection plugs 17 to strengthen the stability between the upper and lower No. 2 prefabricated blocks 3. The outer side of the No. 2 prefabricated block 3 is symmetrically cast and fixed with No. 2 locking blocks 20, wherein the upper surface of the No. 2 locking block 20 located on the upper side is arranged on the same horizontal plane as the upper surface of the No. 2 prefabricated block 3, and the No. 2 locking block 20 located on the lower side is arranged on the same horizontal plane as the upper surface of the No. 2 prefabricated block 3. The lower surface of the second locking block 20 on the upper side and the lower surface of the second prefabricated block 3 are arranged on the same horizontal plane, and two second locking holes 21 are provided on the upper second locking block 20 and the bottom of the second locking block 20 on the lower side. Two locking plugs 22 are arranged between the second locking block 20 on the upper side and the second locking block 20 on the lower side of the upper second prefabricated block 3, and the upper and lower ends of the locking plugs 22 are respectively inserted into the corresponding second locking holes 21; the upper and lower second locking blocks 20 are inserted and connected by the locking plugs 22, thereby reinforcing the stability of the upper and lower second prefabricated blocks 3. ;

[0025] The working principle of this specific implementation method is as follows: prefabricated block No. 1 2 and prefabricated block No. 2 3 are prepared in advance, and then transported to the construction site, and then prefabricated block No. 1 2 and prefabricated block No. 2 3 are spliced ​​into a prefabricated ring body 1, and a plurality of prefabricated ring bodies 1 are sequentially combined from top to bottom to form a cable well, and finally, workers cast them to form a stable whole; when prefabricated block No. 1 2 and prefabricated block No. 2 3 are spliced ​​and combined, prefabricated block No. 2 3 is sequentially connected to prefabricated block No. 1 2 by plugging and matching between connecting plug block 4 and connecting slot 9; positioning frame 6 is installed and connected to positioning block 5 by bolts, so that positioning frame 6 is fixed on prefabricated block No. 1 2, and at the same time, fixing frame 8 is installed and connected to fixing block 7 by bolts, so that fixing The fixed frame 8 is fixed on the No. 2 prefabricated block 3. Finally, the adjacent positioning frame 6 and the fixing frame 8 are tightly installed by bolts to limit the No. 1 prefabricated block 2 and the No. 2 prefabricated block 3, so that the adjacent No. 1 prefabricated block 2 and the No. 2 prefabricated block 3 are installed firmly; the upper and lower adjacent prefabricated ring bodies 1 are installed by a variety of reinforcement installation methods, so that the prefabricated ring bodies 1 are arranged correspondingly up and down, and the No. 1 connecting column 15 enables the upper and lower No. 1 prefabricated blocks 2 to be plugged and connected. At the same time, the locking cooperation of the No. 1 locking block 18 strengthens the stability between the upper and lower adjacent No. 1 prefabricated blocks 2, and the No. 2 connecting column 17 enables the upper and lower No. 2 prefabricated blocks 3 to be plugged and connected. At the same time, the plug-in cooperation of the No. 2 locking block 20 and the locking column 22 strengthens the stability between the upper and lower adjacent No. 2 prefabricated blocks 3.

[0026] After adopting the above structure, the beneficial effects of this specific implementation are:

[0027] 1. By pre-processing the No. 1 prefabricated block 2 and the No. 2 prefabricated block 3, it is only necessary to transport the No. 1 prefabricated block 2 and the No. 2 prefabricated block 3 to the construction site for installation to form the prefabricated ring body 1. When multiple prefabricated ring bodies 1 are installed, a cable well can be formed, which is convenient for workers to perform the pouring and finishing operations, thereby improving the overall construction efficiency;

[0028] 2. The first prefabricated block 2 and the second prefabricated block 3 are reinforced by a double locking structure, thereby improving the overall stability of use;

[0029] 3. By reinforcing and connecting the upper and lower adjacent prefabricated blocks No. 1 2 and No. 2 3, the stability between the prefabricated ring bodies 1 is improved, thereby improving the overall stability of the cable well.

[0030] The above description is only used to illustrate the technical solution of the present invention rather than to limit it. Other modifications or equivalent substitutions made to the technical solution of the present invention by ordinary technicians in this field should be included in the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solution of the present invention.

Claims

1. An assembled lightweight prefabricated cable well, comprising a plurality of prefabricated ring bodies (1), the plurality of prefabricated ring bodies (1) being arranged in contact from top to bottom, the prefabricated ring bodies (1) being composed of a plurality of No. 1 prefabricated blocks (2) and No. 2 prefabricated blocks (3), and the plurality of No. 1 prefabricated blocks (2) and No. 2 prefabricated blocks (3) being arranged alternately; characterized in that: It also comprises a connecting plug block (4), a positioning block (5), a positioning frame (6), a fixing block (7) and a fixing frame (8); a connecting slot (9) is symmetrically provided on the outer side of the No. 1 prefabricated block (2); a connecting plug block (4) is symmetrically fixed on the outer side of the No. 2 prefabricated block (3); the connecting plug block (4) is inserted into the connecting slot (9) on the adjacent side thereof; a plurality of No. 1 connecting slots (14) are provided on the upper and lower sides of the No. 1 prefabricated block (2); a plurality of No. 1 connecting plug posts (15) are provided between the upper and lower No. 1 prefabricated blocks (2); the upper and lower ends of the No. 1 connecting plug posts (15) are respectively inserted into the corresponding No. 1 connecting slots (14); the upper and lower No. 1 prefabricated blocks (2) are connected by the No. 1 connecting plug posts (15); The block (2) is installed and connected to strengthen the stability between the upper and lower No. 1 prefabricated blocks (2); a positioning block (5) is symmetrically fixed on the outer side of the No. 1 prefabricated block (2); the positioning block (5) is arranged between the two connection slots (9); a positioning frame (6) is arranged on one side of the positioning block (5); the positioning frame (6) is an "L"-shaped structure; the horizontal end of the positioning frame (6) is arranged on the upper side of the positioning block (5); the vertical end of the positioning frame (6) is arranged in contact with the positioning block (5); and the vertical end of the positioning frame (6) and the positioning block (5) are both provided with a No. 1 positioning groove (10), and the bolt is screwed and inserted into the No. 1 positioning groove (10) through a thread; the outer side of the No. 2 prefabricated block (3) is symmetrically fixed A fixed block (7) is provided, the fixed block (7) is arranged flush with the positioning block (5), a fixed frame (8) is arranged on one side of the fixed block (7), the fixed frame (8) is arranged in an "L"-shaped structure, the horizontal end of the fixed frame (8) is arranged on the upper side of the fixed block (7), and the horizontal end of the fixed frame (8) is arranged in contact with the horizontal end of the positioning frame (6) on the adjacent side, the vertical end of the fixed frame (8) is arranged in contact with the fixed block (7), the vertical end of the fixed frame (8) and the fixed block (7) are both provided with a second positioning groove (11), and the bolt is screwed and inserted into the second positioning groove (11) through a thread; the upper and lower sides of the second prefabricated block (3) are both provided with a plurality of second connection slots (16), A plurality of No. 2 connection plugs (17) are arranged between the upper and lower No. 2 prefabricated blocks (3), and the upper and lower ends of the No. 2 connection plugs (17) are respectively inserted into the corresponding No. 2 connection slots (16); the upper and lower No. 2 prefabricated blocks (3) are installed and connected by the No. 2 connection plugs (17), so as to strengthen the stability between the upper and lower No. 2 prefabricated blocks (3); a No. 1 connection slot (12) is arranged in the horizontal end of the positioning frame (6), and a No. 2 connection slot (13) is arranged in the horizontal end of the fixing frame (8); the No. 2 connection slot (13) is connected with the No. 1 connection slot (12) on the adjacent side, and the bolts are inserted into the No. 1 connection slot (12) and the No. 2 connection slot (13) by screw threading; A No. 1 locking block (18) is symmetrically fixed to the outer side of the No. 1 prefabricated block (2) in the upper and lower parts, and a No. 1 locking hole (19) is provided in the No. 1 locking block (18), wherein the upper surface of the No. 1 locking block (18) located on the upper side is arranged on the same horizontal plane as the upper surface of the No. 1 prefabricated block (2), and the lower surface of the No. 1 locking block (18) located on the lower side is arranged on the same horizontal plane as the lower surface of the No. 1 prefabricated block (2), and the No. 1 locking block (18) located on the upper side is arranged in contact with the No. 1 locking block (18) on the lower side of the upper No. 1 prefabricated block (2), and the bolt is inserted into the two No. 1 locking holes (19) in contact with each other through threaded connection; the stability of the upper and lower No. 1 prefabricated blocks (2) is reinforced through the threaded connection between the No. 1 locking block (18) and the bolt; A second locking block (20) is fixed symmetrically on the outer side of the second prefabricated block (3) in an upper and lower manner, wherein the upper surface of the second locking block (20) located on the upper side is arranged on the same horizontal plane as the upper surface of the second prefabricated block (3), and the lower surface of the second locking block (20) located on the lower side is arranged on the same horizontal plane as the lower surface of the second prefabricated block (3), and the upper and lower bottoms of the second locking block (20) located on the upper side and the second locking block (20) located on the lower side are both opened. A plurality of No. 2 locking holes (21) are provided, and a plurality of locking plug posts (22) are provided between the No. 2 locking block (20) on the upper side and the No. 2 locking block (20) on the lower side of the upper No. 2 prefabricated block (3), and the upper and lower ends of the locking plug posts (22) are respectively inserted into the corresponding No. 2 locking holes (21); the upper and lower No. 2 locking blocks (20) are inserted and connected by the locking plug posts (22), thereby reinforcing the stability of the upper and lower No. 2 prefabricated blocks (3).

2. The assembled lightweight prefabricated cable well according to claim 1 is characterized by: Its working principle is as follows: the first prefabricated block (2) and the second prefabricated block (3) are prepared in advance and then transported to the construction site, and then the first prefabricated block (2) and the second prefabricated block (3) are spliced ​​into a prefabricated ring body (1), and a plurality of prefabricated ring bodies (1) are sequentially combined from top to bottom to form a cable well, and finally, workers cast them to form a stable whole; when the first prefabricated block (2) and the second prefabricated block (3) are spliced ​​and combined, the second prefabricated block (4) is plugged into the connection slot (9) to make the second prefabricated block (1) The first prefabricated block (3) is connected with the first prefabricated block (2) in sequence; the positioning frame (6) is installed and connected with the positioning block (5) by bolts, so that the positioning frame (6) is fixed on the first prefabricated block (2); at the same time, the fixing frame (8) is installed and connected with the fixing block (7) by bolts, so that the fixing frame (8) is fixed on the second prefabricated block (3); finally, the adjacent positioning frames (6) and fixing frames (8) are tightly installed by bolts, and the first prefabricated block (2) and the second prefabricated block (3) are limited, so that the adjacent first prefabricated block (2) and the second prefabricated block (3) are installed firmly.

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