Main body structure of split mounting type purification operating room
By adopting a structure of sliding connection and gear meshing in the assembled purification operating room, the existing assembled operating room has been solved, and a fast and safe installation and disassembly process has been achieved.
Patent Information
- Application Number
- CN202422989769.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-05
- Publication Date
- 2025-01-03
- Estimated Expiration
- 2034-12-05
AI Technical Summary
The installation efficiency of the existing assembled purification operating room is low and has safety risks. Especially when using large lifting equipment in small spaces, it is complex and time-consuming and labor-intensive, affecting the safety of workers.
Using assembled purification operating room main structure including load-bearing columns, lifting grooves, connecting components, rods, springs and racks, the main structure of the operating room is quickly connected and fixed through sliding connections and gear meshing, reducing installation difficulty and improving efficiency. Springs and pull loops ensure stable limits and safe operation of the lever.
It realizes rapid installation and disassembly of the operating room, reduces operation difficulty, improves installation efficiency, and improves operation safety, avoiding components falling and injuring people.
Smart Images

Figure CN222295255U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of main structures of operating rooms, in particular to a main structure of an assembled purification operating room. Background Art
[0002] With the development of technology, most operating rooms now use laminar flow operating rooms. Through air purification technology, different degrees of control are taken on the source of microbial contamination to achieve the air cleanliness in the controlled space environment suitable for various types of operations, and provide appropriate temperature and humidity to create a fresh, clean, comfortable and low-bacteria count operating space environment.
[0003] The existing patent (publication number: CN216641568U) discloses a main structure of an assembled clean operating room, which realizes the sealing and pre-fixing effect between multiple groups of splicing plates through limit grooves, assembling heads, limit heads, power rods, clamps, rod bodies, push heads, etc. When the power rod of the rear group of splicing plates is pushed forward by the force received by the clamps through the rod body, the limit heads on both sides are driven to move to both sides as the push head moves, and the movement of the two groups of limit heads is stuck in the limit grooves of the front group of assembling plates, thereby achieving the sealing effect and pre-fixing effect at the connection between the two groups of assembling plates.
[0004] However, the above equipment still has certain shortcomings. First of all, because the equipment is generally installed in a relatively small room, large lifting equipment cannot be used in actual operation. When installing the main beam steel on the load-bearing steel, multiple people need to climb up with the help of ladders and other tools, and then manually carry the two ends of the main beam steel separately, and then align them with the docking position of the top of the two sets of load-bearing steels, and finally use tools to pass the bolts through for fixing. The overall operation is not only time-consuming and laborious, but also has low installation efficiency, and there is a risk of injury, which affects the personal safety of workers. Utility Model Content
[0005] Based on this, the purpose of the utility model is to provide a main structure of an assembled clean operating room to solve the technical problems mentioned in the above background technology.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: the main structure of the assembled clean operating room includes a load-bearing column, the outer wall of the load-bearing column is symmetrically provided with multiple groups of lifting grooves, a first beam and a second beam are installed between two groups of the load-bearing columns, and the ends of the first beam and the second beam are connected with a connecting assembly;
[0007] The connecting assembly includes a connecting shell that connects the load-bearing column with the first crossbeam and the second crossbeam respectively, the connecting shell and the load-bearing column are slidably connected, the inner wall of the connecting shell is rotatably connected to the long shaft gear through a connecting plate, the outer walls on both sides of the long shaft gear are symmetrically meshed with two groups of clamping rods, the clamping rod and the connecting shell are slidably connected, a through rod is fixed to one end of the clamping rod, and the outer wall of the through rod is sleeved with a spring, and the two ends of the spring are respectively in contact with the outer wall of the clamping rod and the inner wall of the connecting shell, the inner wall of the connecting shell is slidably connected with a rack, and the outer wall of the rack is meshed with the long shaft gear, the outer wall of the connecting shell is interspersed with a T-shaped plate, a section of the outer wall of the T-shaped plate is sleeved with a sleeve plate, the outer wall of the sleeve plate is interspersed with multiple groups of first bolts, and the first bolts penetrate the T-shaped plate.
[0008] By adopting the above technical scheme, four groups of load-bearing columns are first installed at the four corners of the room, and then two groups of first beams and second beams are respectively placed between the two groups of load-bearing columns, and the first beams and the second beams are connected to the connecting assembly through the second bolts, and then the connecting assembly is aligned with the lifting groove on the load-bearing column, and the T-shaped plate is passed through the lifting groove and the connecting shell, and the sleeve plate is put on, and fixed with multiple groups of first bolts through the T-shaped plate; after the connecting assemblies at both ends are connected to the load-bearing columns, the first beam and the second beam are lifted up from the bottom to the required height by a jack, and then the top beam and the splicing plate are installed, and finally the installation of the operating room is completed. With the help of the connecting assembly, the first beam, the second beam and the load-bearing column can be quickly connected on the ground, which reduces the difficulty of installation, improves efficiency, and can also prevent components from falling and injuring people, thereby improving operational safety.
[0009] Furthermore, a matching through groove is provided at a position where the outer wall of the connecting shell contacts the T-shaped plate, and a plurality of groups of through holes are provided on the outer wall of the connecting shell.
[0010] By adopting the above technical solution, the T-shaped plate is used to pass through the lifting groove and the through groove opened on the outer wall of the connecting shell, and then the connecting shell is installed and connected with the load-bearing column. Multiple groups of through holes can be inserted with the first bolt and the second bolt to connect with the remaining components.
[0011] Furthermore, the outer wall of one end of the connecting shell away from the load-bearing column is symmetrically fixedly connected with two sets of positioning angle plates, the outer wall of the connecting plate is located on both sides of the long shaft gear and is fixedly connected with multiple sets of first limit blocks, and the other side of the first limit block is fixedly connected with a second limit block.
[0012] By adopting the above technical solution, the two sets of positioning angle plates are symmetrical, which can provide limits for the first crossbeam and the second crossbeam, facilitating the initial docking and installation. The first limit block and the second limit block can limit the clamping rod to ensure stable limits for its extension and retraction.
[0013] Furthermore, the clamping rod is slidably connected to the inner wall of the first limit block and the second limit block, a trapezoidal block is fixedly connected to the outer wall of one end of the second limit block, a limit groove is provided on the outer wall of the clamping rod, and the trapezoidal block is slidably connected to the inner wall of the limit groove.
[0014] By adopting the above technical solution, the trapezoidal block on the outer wall of the second limiting block is used to cooperate with the limiting groove to limit the clamping rod, and one end of the clamping rod is in a pointed cone shape.
[0015] Furthermore, a first cross beam and a second cross beam are inserted inside the connecting shell, and the positioning angle plate is in contact with the first cross beam and the second cross beam, and a plurality of second bolts are inserted at the overlapping parts of the first cross beam and the second cross beam, and the outer wall of the second bolt is located on the first cross beam, and washers are provided on the outer walls on both sides of the second cross beam.
[0016] By adopting the above technical solution, the gasket is made of soft rubber, which can provide buffering and filling between the connecting shell and the first beam and the second beam to ensure the stability of the connection.
[0017] Furthermore, the outer wall of the load-bearing column is symmetrically provided with a plurality of groups of holes, and the T-shaped plate passes through two groups of symmetrical holes, the top outer wall of the rack is fixedly connected with a pull rod with a pull ring on the outer wall, and the top outer wall of the pull rod is fixed with a pull ring.
[0018] By adopting the above technical scheme, multiple groups of card holes cooperate with the pointed cone end of the card rod to automatically limit. When the card rod moves upward, the card rod is squeezed and retracted. The spring is squeezed at this time to prepare for the card rod to extend outward. When the movement stops, the spring rebounds and drives the card rod to reset and extend outward. The sharp end of the card rod is inserted into the card hole to complete the rapid fixation and limitation of the connecting component, the first beam and the second beam. The pull rod with a pull ring can facilitate the operator to pull the rack upward to drive the long shaft gear to rotate, and then drive the two groups of card rods to retract at the same time, which is convenient for contact to fix the connecting component. The pull ring can facilitate the operator's fingers to insert and pull out the pull rod.
[0019] Furthermore, the outer wall of the second crossbeam is equidistantly provided with a plurality of embedding grooves, and top beams are embedded and installed inside two groups of the embedding grooves. The outer walls on both sides of the load-bearing columns are symmetrically fixedly connected with docking grooves, and the outer walls on the sides close to the two groups of load-bearing columns are located at the inner walls of the docking grooves and a plurality of splicing plates are docked and installed.
[0020] By adopting the above technical solution, multiple sets of embedded grooves can limit and fix the top beam to prevent the top beam from deflecting and loosening, and the object splicing board can be installed through the docking groove.
[0021] In summary, the utility model mainly has the following beneficial effects:
[0022] The utility model installs the load-bearing columns at the four corners of the room first, then connects the first beam and the second beam with the connecting assembly through the second bolt, then aligns the lifting groove on the load-bearing column, passes the T-shaped plate through the lifting groove and the connecting shell, puts on the sleeve plate, and fixes it through the T-shaped plate with multiple groups of first bolts. After the docking is completed, the jack lifts the first beam and the second beam from the bottom to the required height, and then installs the top beam and the splicing plate to complete the installation of the operating room. With the help of the connecting assembly, the first beam, the second beam and the load-bearing column can be quickly docked on the ground, which reduces the difficulty of installation and improves efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] Figure 1 It is the front view of the utility model;
[0024] Figure 2 It is a partial connection diagram of the utility model;
[0025] Figure 3 It is a partial cutaway view of the connection assembly of the utility model;
[0026] Figure 4 For the utility model Figure 2 The enlarged detail of point A in the middle;
[0027] Figure 5 For the utility model Figure 3 Enlarged detail of point B in the middle.
[0028] In the figure: 1. load-bearing column; 101. lifting groove; 102. clamping hole; 103. docking groove; 2. connecting assembly; 21. connecting shell; 22. T-shaped plate; 23. sleeve plate; 24. positioning angle plate; 25. long shaft gear; 26. first limit block; 261. second limit block; 27. rack; 271. pull rod; 272. pull ring; 28. clamping rod; 281. through rod; 29. spring; 3. second bolt; 31. washer; 4. first cross beam; 5. second cross beam; 51. embedded groove; 6. top beam; 7. splicing plate. DETAILED DESCRIPTION
[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. The embodiments described below with reference to the drawings are exemplary and are only used to explain the utility model, and cannot be understood as limiting the utility model.
[0030] The following describes an embodiment of the utility model based on its overall structure.
[0031] The main structure of the assembled clean operating room, such as Figure 1 - Figure 5As shown, it includes a load-bearing column 1, and the outer wall of the load-bearing column 1 is symmetrically provided with multiple groups of lifting grooves 101, and a first crossbeam 4 and a second crossbeam 5 are installed between two groups of load-bearing columns 1, and the ends of the first crossbeam 4 and the second crossbeam 5 are connected with a connecting assembly 2;
[0032] The connecting assembly 2 includes a connecting shell 21 which connects the load-bearing column 1 with the first crossbeam 4 and the second crossbeam 5 respectively. The connecting shell 21 and the load-bearing column 1 are slidably connected. The inner wall of the connecting shell 21 is rotatably connected with a long shaft gear 25 through a connecting plate. The outer walls on both sides of the long shaft gear 25 are symmetrically meshed and connected with two groups of clamping rods 28. The clamping rod 28 and the connecting shell 21 are slidably connected. A penetrating rod 281 is fixed to one end of the clamping rod 28, and a spring 29 is sleeved on the outer wall of the penetrating rod 281, and the two ends of the spring 29 are respectively in contact with the outer wall of the clamping rod 28 and the inner wall of the connecting shell 21. A rack 27 is slidably connected to the inner wall of the connecting shell 21, and the outer wall of the rack 27 is meshed and connected with the long shaft gear 25. A T-shaped plate 22 is inserted into the outer wall of the connecting shell 21, and a section of the outer wall of the T-shaped plate 22 is sleeved with a sleeve plate 23. The outer wall of the sleeve plate 23 is inserted with multiple groups of first bolts, and the first bolts penetrate the T-shaped plate 22.
[0033] The utility model is prepared by first installing four groups of load-bearing columns 1 at the four corners of the room, then placing two groups of first beams 4 and two groups of second beams 5 between the two groups of load-bearing columns 1, and then using multiple groups of second bolts 3 to pass through the two ends of the first beams 4 and the second beams 5 to install the connection assembly 2; when installing the connection assembly 2, first insert the two ends of the first beam 4 and the second beam 5 into the positioning angle plate 24 for preliminary docking, and then use multiple groups of second bolts 3 to pass through the ends of the first beam 4 and the second beam 5 Then, align the two ends of the two connecting components 2 located at the first crossbeam 4 and the second crossbeam 5 with the lifting groove 101 on the load-bearing column 1 one by one, then pass the T-shaped plate 22 through the lifting groove 101 and the connecting shell 21, then put the sleeve plate 23 on the outer wall of the T-shaped plate 22, and then use multiple sets of first bolts to pass through the T-shaped plate 22 to fix; after the connecting components 2 at both ends of the first crossbeam 4 and the second crossbeam 5 are respectively connected to the load-bearing column 1, at this time, only need to use the jack from bottom to top to lift the first crossbeam 4 and the second crossbeam 5 5 is continuously lifted up until the required height is reached and then stopped. Finally, the top beam 6 can be respectively aligned with the embedded groove 51 for installation, and then the splicing plate 7 can be aligned with the docking groove 103 from one side for installation, so as to complete the rapid installation of the entire operating room; while the connecting assembly 2 is rising, the two sets of clamping rods 28 are continuously squeezed and retracted, and the spring 29 is squeezed to prepare for the clamping rod 28 to extend and reset. When it is necessary to lower, it is only necessary to pull the pull rods 271 from both ends to drive the rack 27, and use the rack 27 to drive the long shaft gear 25 to rotate, thereby simultaneously driving The two groups of clamping rods 28 are moved inward at the same time, and the springs 29 are squeezed while moving inward to prepare for the reset of the clamping rods 28. At this time, the two groups of clamping rods 28 are pulled out from the clamping holes 102, thereby releasing the locking limit of the first beam 4 and the second beam 5. At this time, the first beam 4 and the second beam 5 can be moved downward. The first beam 4 and the second beam 5 can be quickly connected and installed with the load-bearing column 1 on the ground with the help of the connecting component 2, which reduces the difficulty of installation, improves the installation efficiency, prevents personal injuries caused by falling parts, and improves operational safety.
[0034] See also Figure 3 - Figure 5 A matching through groove is provided at the contact position between the outer wall of the connecting shell 21 and the T-shaped plate 22, and a plurality of groups of through holes are provided on the outer wall of the connecting shell 21. The utility model sets the above structure and utilizes the T-shaped plate 22 to pass through the lifting groove 101 and the through groove provided on the outer wall of the connecting shell 21 respectively, so as to install and connect the connecting shell 21 with the load-bearing column 1, and the plurality of through holes can be inserted with the first bolt and the second bolt 3 to connect with the remaining components.
[0035] See also Figure 3 - Figure 5The outer wall of one end of the connecting shell 21 away from the load-bearing column 1 is symmetrically fixedly connected with two groups of positioning angle plates 24. The outer wall of the connecting plate is located on both sides of the long shaft gear 25 and is fixedly connected with multiple groups of first limit blocks 26. The other side of the first limit block 26 is fixedly connected with a second limit block 261. By setting the above structure, the utility model has two groups of positioning angle plates 24 in a symmetrical relationship, which can provide limit for the first cross beam 4 and the second cross beam 5, which is convenient for preliminary docking and installation. The first limit block 26 and the second limit block 261 can limit the clamping rod 28 to ensure its stable limit for extension and retraction.
[0036] See also Figure 1 - Figure 5 The clamping rod 28 is slidably connected to the inner wall of the first limit block 26 and the second limit block 261. A trapezoidal block is fixedly connected to the outer wall of one end of the second limit block 261. A limit groove is provided on the outer wall of the clamping rod 28, and the trapezoidal block is slidably connected to the inner wall of the limit groove. By setting the above structure, the utility model uses the trapezoidal block on the outer wall of the second limit block 261 to cooperate with the limit groove to limit the clamping rod 28, and one end of the clamping rod 28 is a pointed cone.
[0037] See also Figure 1 - Figure 4 A first beam 4 and a second beam 5 are inserted into the interior of the connecting shell 21, and the positioning angle plate 24 is in contact with the first beam 4 and the second beam 5. A plurality of groups of second bolts 3 are inserted at the overlapping parts of the first beam 4 and the second beam 5. The outer walls of the second bolts 3 are located on both sides of the first beam 4 and the second beam 5, and washers 31 are sleeved on the outer walls. By setting the above structure, the utility model uses soft rubber as the material of the washer 31, which can provide buffering and filling between the connecting shell 21 and the first beam 4 and the second beam 5 to ensure the stability of the connection.
[0038] See also Figure 1 - Figure 5 The outer wall of the load-bearing column 1 is symmetrically provided with multiple groups of clamping holes 102, and the T-shaped plate 22 passes through two groups of symmetrical clamping holes 102. The top outer wall of the rack 27 is fixedly connected with a pull rod 271 with a pull ring on the outer wall, and the top outer wall of the pull rod 271 is fixed with a pull ring 272. By setting the above structure, the utility model automatically limits the multiple groups of clamping holes 102 in conjunction with the pointed cone end of the clamping rod 28. When the clamping rod 28 moves up, the clamping rod 28 is squeezed and retracted. At this time, the spring 29 is squeezed to make the clamping rod 28 extend outward. Preparation, when the movement stops, the spring 29 rebounds and drives the clamping rod 28 to return to its original position and extend outward, and the sharp end of the clamping rod 28 is inserted into the clamping hole 102, completing the rapid fixing and limiting of the connecting component 2, the first beam 4 and the second beam 5. The pull rod 271 with a pull ring can facilitate the operator to pull the rack 27 upward to drive the long shaft gear 25 to rotate, and then drive the two sets of clamping rods 28 to retract at the same time, so as to facilitate contact and fixation of the connecting component 2. The pull ring 272 can facilitate the operator's fingers to insert and pull out the pull rod 271.
[0039] See also Figure 1 - Figure 4 The outer wall of the second crossbeam 5 is equidistantly provided with a plurality of embedded grooves 51, and the top beams 6 are embedded and installed inside the two groups of embedded grooves 51. The outer walls on both sides of the load-bearing columns 1 are symmetrically fixedly connected with docking grooves 103. The outer walls on the sides close to the two groups of load-bearing columns 1 are located at the inner walls of the docking grooves 103 and a plurality of splicing plates 7 are docked and installed. By setting the above structure, the utility model can limit and fix the top beam 6 with the plurality of embedded grooves 51 to prevent the top beam 6 from deflecting and loosening, and the splicing plates 7 can be installed through the docking grooves 103.
[0040] The working principle of the utility model is as follows: when preparing, firstly, four groups of load-bearing columns 1 are installed at the four corners of the room respectively, then two groups of first beams 4 and two groups of second beams 5 are placed between the two groups of load-bearing columns 1 respectively, and then, multiple groups of second bolts 3 are used to pass through the two ends of the first beams 4 and the second beams 5 to install the connection assembly 2;
[0041] When installing the connection assembly 2, first insert the two ends of the first beam 4 and the second beam 5 into the positioning angle plate 24 for preliminary docking, then use multiple sets of second bolts 3 to pass through the ends of the first beam 4 and the second beam 5 to fix them, then place the two sets of connection assemblies 2 on the first beam 4, and align the two ends of the second beam 5 with the lifting groove 101 on the load-bearing column 1 one by one, then pass the T-shaped plate 22 through the lifting groove 101 and the connecting shell 21, then put the sleeve plate 23 on the outer wall of the T-shaped plate 22, and then use multiple sets of first bolts to pass through the T-shaped plate 22 to fix it;
[0042] After the connection components 2 at both ends of the first beam 4 and the second beam 5 are connected to the load-bearing column 1, the first beam 4 and the second beam 5 can be continuously lifted from the bottom to the top by using a jack until they reach the required height, and then the top beam 6 can be aligned with the embedded groove 51 for installation, and then the splicing plate 7 can be aligned with the docking groove 103 from one side for installation, so as to complete the rapid installation of the entire operating room;
[0043] When the connecting assembly 2 is raised, the two groups of clamping rods 28 are continuously squeezed and retracted, and the springs 29 are squeezed to prepare for the clamping rods 28 to extend outward and reset. When it is necessary to lower, it is only necessary to pull the pull rods 271 from both ends to drive the rack 27, and use the rack 27 to drive the long shaft gear 25 to rotate, thereby driving the two groups of clamping rods 28 to move inward at the same time, and squeezing the springs 29 while moving inward to prepare for the clamping rods 28 to reset. At this time, the two groups of clamping rods 28 are pulled out of the clamping holes 102, thereby releasing the locking limit of the first beam 4 and the second beam 5, and the first beam 4 and the second beam 5 can be moved downward at this time;
[0044] The first crossbeam 4 and the second crossbeam 5 can be quickly connected and installed with the load-bearing column 1 on the ground with the help of the connecting assembly 2, which reduces the difficulty of installation, improves the installation efficiency, prevents personal injuries caused by falling parts, and improves operational safety.
[0045] Although an embodiment of the utility model has been shown and described, this specific embodiment is only an explanation of the utility model and is not a limitation of the utility model. The specific features, structures, materials or characteristics described may be combined in a suitable manner in any one or more embodiments or examples. After reading this specification, those skilled in the art may make modifications, substitutions and variations to the embodiments without creative contribution as needed without departing from the principles and purpose of the utility model. However, as long as they are within the scope of the claims of the utility model, they are protected by patent law.
Claims
1. The main structure of the assembled clean operating room includes a load-bearing column (1), characterized in that: The outer wall of the load-bearing column (1) is symmetrically provided with a plurality of lifting grooves (101); a first crossbeam (4) and a second crossbeam (5) are installed between two groups of the load-bearing columns (1); ends of the first crossbeam (4) and the second crossbeam (5) are connected to a connecting assembly (2); The connection assembly (2) comprises a connection shell (21) which respectively connects the load-bearing column (1) with the first crossbeam (4) and the second crossbeam (5); the connection shell (21) and the load-bearing column (1) are slidably connected; the inner wall of the connection shell (21) is rotatably connected to a long shaft gear (25) via a connection plate; the outer walls on both sides of the long shaft gear (25) are symmetrically meshed and connected to two groups of clamping rods (28); the clamping rod (28) and the connection shell (21) are slidably connected; one end of the clamping rod (28) is fixed with a through rod (281), and the through rod (28 1) is sleeved with a spring (29), and two ends of the spring (29) are respectively in contact with the outer wall of the clamping rod (28) and the inner wall of the connecting shell (21), the inner wall of the connecting shell (21) is slidably connected with a rack (27), and the outer wall of the rack (27) is meshingly connected with the long shaft gear (25), the outer wall of the connecting shell (21) is interspersed with a T-shaped plate (22), a section of the outer wall of the T-shaped plate (22) is sleeved with a sleeve plate (23), the outer wall of the sleeve plate (23) is interspersed with a plurality of groups of first bolts, and the first bolts pass through the T-shaped plate (22).
2. The main structure of the assembled clean operating room according to claim 1 is characterized by: A matching through groove is provided at a position where the outer wall of the connecting shell (21) contacts the T-shaped plate (22), and a plurality of groups of through holes are provided on the outer wall of the connecting shell (21).
3. The main structure of the assembled clean operating room according to claim 1 is characterized by: Two sets of positioning angle plates (24) are symmetrically and fixedly connected to the outer wall of one end of the connecting shell (21) away from the load-bearing column (1); the outer wall of the connecting plate is located on both sides of the long shaft gear (25) and is fixedly connected to multiple sets of first limit blocks (26); the other side of the first limit block (26) is fixedly connected to a second limit block (261).
4. The main structure of the assembled clean operating room according to claim 1 is characterized by: The clamping rod (28) is slidably connected to the first limit block (26) and the inner wall of the second limit block (261); a trapezoidal block is fixedly connected to the outer wall of one end of the second limit block (261); a limit groove is provided on the outer wall of the clamping rod (28), and the trapezoidal block is slidably connected to the inner wall of the limit groove.
5. The main structure of the assembled clean operating room according to claim 3 is characterized by: A first crossbeam (4) and a second crossbeam (5) are inserted into the interior of the connecting shell (21), and the positioning angle plate (24) is in contact with the first crossbeam (4) and the second crossbeam (5), a plurality of groups of second bolts (3) are inserted through the overlapped portion of the first crossbeam (4) and the second crossbeam (5), the outer wall of the second bolt (3) is located on the first crossbeam (4), and washers (31) are sleeved on the outer walls of both sides of the second crossbeam (5).
6. The main structure of the assembled clean operating room according to claim 1 is characterized by: The outer wall of the load-bearing column (1) is symmetrically provided with a plurality of groups of locking holes (102), and the T-shaped plate (22) passes through two groups of symmetrical locking holes (102). The top outer wall of the rack (27) is fixedly connected to a pull rod (271) having a pull ring on the outer wall, and the top outer wall of the pull rod (271) is fixed with a pull ring (272).
7. The main structure of the assembled clean operating room according to claim 1 is characterized by: The outer wall of the second cross beam (5) is provided with a plurality of groups of embedding grooves (51) at equal intervals, and top beams (6) are embedded and installed inside two groups of the embedding grooves (51). The outer walls on both sides of the load-bearing columns (1) are symmetrically fixedly connected with docking grooves (103), and the outer walls on the sides close to the two groups of load-bearing columns (1) are located at the inner walls of the docking grooves (103) and docked with a plurality of groups of splicing plates (7).