Assembly platform suitable for pipe fittings with various pipe diameters

Abstract

The utility model relates to an assembly platform suitable for pipe fittings with various pipe diameters, which comprises a bottom plate, a flange platform, a three-way platform and an elbow platform, and the flange platform, the three-way platform and the elbow platform are sequentially and movably arranged on the bottom plate. The pipeline and pipe fitting assembling platform can be used for assembling of flanges, tee joints, elbows and other pipe fittings, fixing of pipelines and pipe fittings is completed through positioning and locking, and then assembling work of the pipelines and the pipe fittings is achieved through movement of all the platforms on the track. The traditional assembling mode of using an angle square and a leveling instrument in the past is broken through, the traditional assembling mode can be simplified, the technical difficulty of pipe fitting assembling is reduced, and the technical dependence of pipe workers and riveting workers is reduced; in particular, centralized and batch prefabrication can be realized for the welded junctions with the same position and the same pipe diameter in a standardized process, the assembly platform does not need to be adjusted for multiple times for the welded junctions with the same position and the same pipe diameter, and the assembly work of the pipe fittings can be completed by shaking the movable baffle for adjustment.

Description

Technical Field

[0001] The utility model relates to the field of pipe fitting assembly, in particular to an assembly platform suitable for pipe fittings with various diameters. Background Art

[0002] At present, with the large-scale, modularized and integrated petrochemical and port electromechanical equipment, process pipelines have become more complex and densely distributed. In order to ensure the speed of development, the installation and construction period of process pipelines needs to be continuously shortened, so factory prefabrication is very important. Factory prefabrication of pipelines has been fully valued by the domestic industry for its advantages of short construction time, high efficiency and high weld qualification rate. The assembly of process pipelines is a key process for realizing factory prefabrication, and the quality of assembly directly affects the weld qualification rate. Conventional assembly is completed on the ground, and it is necessary to use angle rulers and spirit levels to ensure the accurate docking of pipe fittings, which is time-consuming and labor-intensive. In addition, the pipeline is prone to shaking during the docking process, resulting in serious misalignment and inconsistent gap sizes, which leads to frequent rework and re-alignment. Summary of the invention

[0003] The utility model aims to solve the deficiencies of the prior art and provide an assembly platform suitable for pipe fittings with various pipe diameters.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a platform for assembling pipes of various diameters, comprising a bottom plate, a flange platform, a three-way platform, and an elbow platform, wherein the flange platform, the three-way platform, and the elbow platform are sequentially movably arranged on the bottom plate;

[0005] The flange platform comprises a first moving frame, a first supporting plate is arranged on the top of the first moving frame, two first fixed baffles are arranged at two ends of the rear side of the top of the first supporting plate, first movable baffles corresponding to the first fixed baffles are slidably arranged at two ends of the front side, and a first manual mechanism for driving the first movable baffle to slide is arranged on the first moving frame;

[0006] A support rod is provided on the side of the first moving frame away from the three-way platform, a vertical rectangular frame is provided at the end of the support rod, a lifting frame is slidably provided on the inner wall of the rectangular frame, a second manual mechanism for driving the lifting frame to lift is provided on the rectangular frame, a flange positioning plate is slidably provided in the lifting frame, a third manual mechanism for driving the flange positioning plate to slide is provided on the lifting frame, a horizontal first strip positioning groove and a vertical second strip positioning groove are respectively provided on the flange positioning plate, positioning bolts are slidably provided in the first strip positioning groove and the second strip positioning groove, and the flange at the end of the pipeline is fixed by the positioning bolts;

[0007] The three-way platform includes a second mobile frame, a second support plate is provided on the top of the second mobile frame, two second fixed baffles for limiting the position of the pipeline are provided at both ends of the rear side of the top of the second support plate, two third fixed baffles for limiting the position of the tee are provided in the middle of the rear side, and a second movable baffle and a third movable baffle for positioning the pipeline and the tee are respectively slidably provided on the front side, and a fourth manual mechanism for driving the second movable baffle and the third movable baffle to slide is respectively provided on the second mobile frame;

[0008] The elbow platform includes a third movable frame, a third support plate is provided on the top of the third movable frame, a fourth fixed baffle for limiting the pipe and a fifth fixed baffle for limiting the elbow are provided on the rear side of the top of the third support plate, a fourth movable baffle and a fifth movable baffle for positioning the pipe and the elbow are respectively slidably provided on the front side, and a fifth manual mechanism for driving the fourth movable baffle and the fifth movable baffle is respectively provided on the third movable frame.

[0009] Particularly, rollers are arranged at the bottom of the first moving frame, the second moving frame and the third moving frame, tracks corresponding to the rollers are arranged at the top of the bottom plate, and the rollers roll along the tracks.

[0010] Particularly, a plurality of first slide grooves are provided on the top of the first support plate, a first sliding block is provided on the bottom of the first movable baffle plate, and the first sliding block is slidably disposed in the corresponding first slide grooves.

[0011] In particular, the first manual mechanism includes a first screw rod and a first hand wheel. The first screw rod is rotatably connected between the front and rear inner walls of the top of the first movable frame. The bottom of the first slider passes through the first slide groove and is threadedly connected to the first screw rod. The front end of the first screw rod passes through the first movable frame and is connected to the first hand wheel.

[0012] In particular, the second manual mechanism includes a second screw rod and a second hand wheel. The second screw rod is rotatably connected to the middle of the upper and lower inner walls of the rectangular frame, and the second screw rod is threadedly connected to the lifting frame. The bottom of the second screw rod passes through the rectangular frame and is connected to the second hand wheel.

[0013] In particular, second sliders are provided at the four corners of the flange positioning plate away from the first moving frame, the second slider is slidably arranged on the inner wall of the lifting frame, the third manual mechanism includes a third screw rod, a third hand wheel, and a moving block, the third screw rod is rotatably connected between the inner walls on both sides of the lifting frame, and one end of the third screw rod passes through the lifting frame and is connected to the third hand wheel, the moving block is fixed on the side of the flange positioning plate away from the first moving frame, and is threadedly connected to the third screw rod, the lifting frame is close to the first moving frame and has a protruding rectangular frame, the third screw rod is located at the protruding part of the lifting frame and does not interfere with the second screw rod.

[0014] Particularly, a plurality of second slide grooves are arranged on the top of the second support plate, and a third sliding block is arranged on the bottom of the second movable baffle plate and the third movable baffle plate, and the third sliding block is slidably arranged in the corresponding second slide grooves.

[0015] In particular, the fourth manual mechanism includes a fourth screw rod and a fourth hand wheel. The fourth screw rod is rotatably connected between the front and rear inner walls of the top of the second moving frame. The bottom of the third slider passes through the second slide groove and is threadedly connected to the fourth screw rod. The front end of the fourth screw rod passes through the second moving frame and is connected to the fourth hand wheel.

[0016] Particularly, a plurality of third slide grooves are arranged on the top of the third support plate, and fourth sliding blocks are arranged on the bottoms of the fourth movable baffle plate and the fifth movable baffle plate, and the fourth sliding blocks are slidably arranged in the corresponding third slide grooves.

[0017] In particular, the fifth manual mechanism includes a fifth screw rod and a fifth handwheel. The fifth screw rod is rotatably connected between the front and rear inner walls of the top of the third moving frame. The bottom of the fourth slider passes through the third slide groove and is threadedly connected to the fifth screw rod. The front end of the fifth screw rod passes through the third moving frame and is connected to the fifth handwheel.

[0018] The beneficial effects of the utility model are:

[0019] The utility model can be used for the assembly of flanges, tees, elbows and other pipe fittings by arranging a bottom plate, a movable flange platform, a tee platform and an elbow platform, and the pipeline and the pipe fittings are fixed by positioning and locking, and then the assembly of the pipeline and the pipe fittings is realized by moving the platforms on the track; it breaks the traditional assembly method of using angle rulers and level rulers, simplifies the previous assembly method, reduces the technical difficulty of pipe fitting assembly, and reduces the technical dependence of pipe workers and riveters; especially for standardized processes, the welds at the same position and the same pipe diameter can be concentrated , batch prefabrication, for the welds with the same position and the same pipe diameter, there is no need to adjust the assembly platform multiple times, and the assembly of pipe fittings can be completed by shaking the movable baffle for adjustment; by using a variety of pipe fitting assembly platforms, the prefabrication procedure can be standardized, the prefabrication operation can be streamlined, the on-site construction can be minimized, the quality can be optimized, and the factory prefabrication can be better reflected; the platform is simple to learn and operate, the assembly time is short, the assembly quality is high, errors are avoided, the difficulty of pipe assembly is reduced, and the factory prefabrication time is shortened, thereby achieving the purpose of improving efficiency and quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the first mobile frame structure of the utility model;

[0022] Figure 3 It is a top view of the flange platform of the utility model;

[0023] Figure 4 This is a left view of the flange platform of the utility model;

[0024] Figure 5This is a schematic diagram of the three-way platform structure of the utility model;

[0025] Figure 6 This is a schematic diagram of the elbow platform structure of the utility model;

[0026] Figure 7 This is a schematic diagram of the elbow and pipeline connection of the utility model;

[0027] In the figure:

[0028] 1- Bottom plate;

[0029] 2-flange platform; 201-first moving frame; 202-first supporting plate; 203-first fixed baffle; 204-first movable baffle; 205-support rod; 206-rectangular frame; 207-lifting frame; 208-flange positioning plate; 209-first strip positioning groove; 210-second strip positioning groove; 211-positioning bolt; 212-first slide groove; 213-first screw rod; 214-first hand wheel; 215-second screw rod; 216-second hand wheel; 217-third screw rod; 218-third hand wheel; 219-moving block;

[0030] 3-three-way platform; 301-second moving frame; 302-second support plate; 303-second fixed baffle; 304-third fixed baffle; 305-second movable baffle; 306-third movable baffle; 307-second slide; 308-fourth screw rod; 309-fourth hand wheel;

[0031] 4-elbow platform; 401-third moving frame; 402-third support plate; 403-fourth fixed baffle; 404-fifth fixed baffle; 405-fourth movable baffle; 406-fifth movable baffle; 407-third slide; 408-fifth screw rod; 409-fifth hand wheel;

[0032] The following is a detailed description of the embodiments of the present invention with reference to the accompanying drawings. DETAILED DESCRIPTION

[0033] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0034] like Figure 1-Figure 7 As shown, a pairing platform suitable for pipe fittings of various diameters includes a base plate 1, a flange platform 2, a tee platform 3, and an elbow platform 4. The flange platform 2, the tee platform 3, and the elbow platform 4 are movably arranged on the base plate 1 in sequence.

[0035] The flange platform 2 includes a first movable frame 201, a first support plate 202 is provided on the top of the first movable frame 201, two first fixed baffles 203 are correspondingly provided at the two ends of the rear side of the top of the first support plate 202, and first movable baffles 204 corresponding to the first fixed baffles 203 are slidably provided at the two ends of the front side, and a first manual mechanism for driving the first movable baffle 204 to slide is provided on the first movable frame 201; a plurality of first slide grooves 212 are provided on the top of the first support plate 202, and a first slider is provided at the bottom of the first movable baffle 204, and the first slider is slidably arranged in the corresponding first slide groove 212; the first manual mechanism includes a first screw rod 213 and a first hand wheel 214, the first screw rod 213 is rotatably connected between the front and rear inner walls of the top of the first movable frame 201, the bottom of the first slider passes through the first slide groove 212 and is threadedly connected with the first screw rod 213, and the front end of the first screw rod 213 passes through the first movable frame 201 and is connected with the first hand wheel 214.

[0036] A support rod 205 is provided on the side of the first moving frame 201 away from the three-way platform 3, and a vertical rectangular frame 206 is provided at the end of the support rod 205. A lifting frame 207 is slidably provided on the inner wall of the rectangular frame 206, and a second manual mechanism for driving the lifting frame 207 to lift is provided on the rectangular frame 206. A flange positioning plate 208 is slidably provided in the lifting frame 207, and a third manual mechanism for driving the flange positioning plate 208 to slide is provided on the lifting frame 207. A horizontal first strip positioning groove 209 and a vertical second strip positioning groove 210 are respectively provided on the flange positioning plate 208. Positioning bolts 211 are slidably provided in the first strip positioning groove 209 and the second strip positioning groove 210, and the flange at the end of the pipeline is fixed by the positioning bolts 211; the second manual mechanism includes a second screw rod 215 and a second hand wheel 216, and the second screw rod 215 is rotatably connected to the middle of the upper and lower inner walls of the rectangular frame 206, and The second screw rod 215 is threadedly connected to the lifting frame 207, and the bottom of the second screw rod 215 passes through the rectangular frame 206 and is connected to the second hand wheel 216; second sliders are provided at the four corners of the flange positioning plate 208 away from the first moving frame 201, and the second slider is slidably arranged on the inner wall of the lifting frame 207. The third manual mechanism includes a third screw rod 217, a third hand wheel 218, and a moving block 219. The third screw rod 217 is rotatably connected between the inner walls on both sides of the lifting frame 207, and one end of the third screw rod 217 passes through the lifting frame 207 and is connected to the third hand wheel 218. The moving block 219 is fixed on the side of the flange positioning plate 208 away from the first moving frame 201 and is threadedly connected to the third screw rod 217. The lifting frame 207 is close to the first moving frame 201 and has a protruding rectangular frame 206. The third screw rod 217 is located at the protruding part of the lifting frame 207 and does not interfere with the second screw rod 215.

[0037] The three-way platform 3 includes a second mobile frame 301, a second support plate 302 is provided on the top of the second mobile frame 301, two second fixed baffles 303 for limiting the position of the pipeline are provided at both ends of the rear side of the top of the second support plate 302, two third fixed baffles 304 for limiting the position of the three-way are provided in the middle of the rear side, and second movable baffles 305 and third movable baffles 306 for positioning the pipeline and the three-way are respectively slidably provided on the front side, and fourth manual mechanisms for driving the second movable baffles 305 and the third movable baffles 306 to slide are respectively provided on the second mobile frame 301; A plurality of second slide grooves 307 are provided on the top of the second support plate 302, and a third slider is provided at the bottom of the second movable baffle 305 and the third movable baffle 306, and the third slider is slidably arranged in the corresponding second slide groove 307; the fourth manual mechanism includes a fourth screw rod 308 and a fourth hand wheel 309, and the fourth screw rod 308 is rotatably connected between the front and rear inner walls of the top of the second movable frame 301, the bottom of the third slider passes through the second slide groove 307 and is threadedly connected to the fourth screw rod 308, and the front end of the fourth screw rod 308 passes through the second movable frame 301 and is connected to the fourth hand wheel 309.

[0038] The elbow platform 4 includes a third mobile frame 401, a third support plate 402 is provided on the top of the third mobile frame 401, a fourth fixed baffle 403 for limiting the position of the pipe and a fifth fixed baffle 404 for limiting the position of the elbow are provided on the rear side of the top of the third support plate 402, a fourth movable baffle 405 and a fifth movable baffle 406 for positioning the pipe and the elbow are respectively slidably provided on the front side, and a fifth manual mechanism for driving the fourth movable baffle 405 and the fifth movable baffle 406 is respectively provided on the third mobile frame 401; the third support plate A plurality of third slide grooves 407 are provided on the top of 402, and a fourth slider is provided at the bottom of the fourth movable baffle 405 and the fifth movable baffle 406, and the fourth slider is slidably arranged in the corresponding third slide groove 407; the fifth manual mechanism includes a fifth screw rod 408 and a fifth hand wheel 409, and the fifth screw rod 408 is rotatably connected between the front and rear inner walls of the top of the third movable frame 401, the bottom of the fourth slider passes through the third slide groove 407 and is threadedly connected to the fifth screw rod 408, and the front end of the fifth screw rod 408 passes through the third movable frame 401 and is connected to the fifth hand wheel 409.

[0039] Furthermore, a plurality of sixth movable baffles can be slidably set on the top of the third support plate 402 away from one end of the three-way platform 3. The sixth movable baffle is driven to slide by a matching screw rod and handwheel assembly. The sixth movable baffle forms a 90-degree angle with the fifth movable baffle 406, which facilitates better positioning of the elbow.

[0040] The first mobile frame 201, the second mobile frame 301 and the third mobile frame 401 are all provided with rollers at the bottom, and the top of the bottom plate 1 is provided with tracks corresponding to the rollers, and the rollers roll along the tracks; before assembling the platform for use, the bottom plate 1 is first fixed, and the bottom plate 1 is placed on a relatively flat ground. The ground needs to be hardened to prevent the bottom plate 1 from being deformed by force. The level ruler is used to measure and adjust to ensure that the level of the bottom 1 meets the requirements, and then the track is laid, and then the three platforms are placed on the track, while ensuring that the platform rollers can move on the track.

[0041] When the flange platform 2 is in use, the flange surface is first pressed against the flange positioning plate 208, and the two positioning bolts 211 can be moved in the first strip positioning groove 209 and the second strip positioning groove 210. The two positioning bolts 211 on the flange positioning plate 208 are inserted into the two bolt holes of the flange, and the positioning bolts 211 are locked with nuts. The purpose is to lock the flange hole spacing and ensure that the flange surface is horizontal; if the flanges with the same pipe diameter are prefabricated in batches, the spacing of the positioning bolts 211 does not need to be disassembled and adjusted; one side of the flange surface can be quickly fixed with a Yuanbao nut to complete the horizontal locking and fixing of the flange; the flange positioning plate 208 can be moved up and down and left and right by the second manual mechanism and the third manual mechanism to meet the platform group's use of flanges within the pipe diameter range. After the flange is fixed, place the pipeline on the first support plate 202, shake the first hand wheel 214 to drive the first movable baffle 204, fix the pipeline by the first movable baffle 204 and the first fixed baffle 203, adjust the front and rear distance of the movable pipeline and the vertical height of the flange to make the pipeline and the flange coaxial and concentric, adjust the gap between the flange and the pipeline to complete the assembly.

[0042] When the three-way platform 3 is in use, the three-way is placed on the third fixed baffle 304 of the second support plate 302, and the center of the three-way is nearly coincident with the center between the two third fixed baffles 304; then the fourth hand wheel 309 is shaken to drive the third movable plate 306 to move and clamp the three-way, at which time the horizontal and vertical levels of the three-way meet the assembly conditions; then the pipeline is placed on the three-way platform, and the pipeline is clamped and fixed by the second fixed baffle 303 and the second movable baffle 305. According to the length of the pipeline, it can be overlapped on the other two platforms to ensure that the center of the pipeline is consistent with the center of the three-way, and the gap between the three-way and the pipeline is adjusted by moving the platform to assemble the three-way.

[0043] When the elbow platform 4 is in use, the elbow is placed on the fifth fixed baffle 404, and the fifth hand wheel 409 is driven to move the fifth movable baffle 406 and clamp the elbow. At this time, the elbow's horizontal and vertical levels meet the assembly conditions, and then the pipeline is placed on the elbow platform 4. The pipeline is clamped and fixed by the fourth fixed baffle 403 and the fourth movable baffle 405 to ensure that the center of the pipeline is consistent with the center of the elbow, and the pipeline is moved to adjust the assembly gap to complete the elbow assembly.

[0044] The utility model can be used for the assembly of pipe fittings such as flanges, tees, elbows, etc., can simplify the previous assembly method, reduce the technical difficulty of pipe assembly, and reduce the technical dependence of pipe workers and riveters; especially for standardized processes, welds at the same position and the same pipe diameter can be concentrated and prefabricated in batches, and there is no need to adjust the assembly platform multiple times for welds at the same position and the same pipe diameter. The assembly work of the pipe fittings can be completed by shaking the movable baffle for adjustment, which can better reflect the advantages of the assembly platform.

[0045] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0046] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0047] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection, an electrical connection, or communication with each other; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0048] The utility model is described above by way of example in conjunction with the accompanying drawings. It is obvious that the specific implementation of the utility model is not limited to the above-mentioned method. As long as various improvements are made using the method concept and technical solution of the utility model, or are directly applied to other occasions without improvement, they are all within the protection scope of the utility model.

Claims

1. A platform for assembling pipes of various diameters. It is characterized in that It comprises a bottom plate (1), a flange platform (2), a three-way platform (3), and an elbow platform (4), wherein the flange platform (2), the three-way platform (3), and the elbow platform (4) are sequentially movably arranged on the bottom plate (1); The flange platform (2) comprises a first movable frame (201), a first support plate (202) is provided on the top of the first movable frame (201), two first fixed baffles (203) are provided at the two ends of the rear side of the top of the first support plate (202), first movable baffles (204) corresponding to the first fixed baffles (203) are slidably provided at the two ends of the front side, and a first manual mechanism for driving the first movable baffle (204) to slide is provided on the first movable frame (201); A support rod (205) is provided on the side of the first moving frame (201) away from the three-way platform (3), a vertical rectangular frame (206) is provided at the end of the support rod (205), a lifting frame (207) is slidably provided on the inner wall of the rectangular frame (206), a second manual mechanism for driving the lifting frame (207) to lift is provided on the rectangular frame (206), a flange positioning plate (208) is slidably provided in the lifting frame (207), a third manual mechanism for driving the flange positioning plate (208) to slide is provided on the lifting frame (207), a horizontal first strip positioning groove (209) and a vertical second strip positioning groove (210) are respectively provided on the flange positioning plate (208), positioning bolts (211) are slidably provided in the first strip positioning groove (209) and the second strip positioning groove (210), and the flange at the end of the pipeline is fixed by the positioning bolts (211); The three-way platform (3) comprises a second movable frame (301), a second support plate (302) is provided on the top of the second movable frame (301), two second fixed baffles (303) for limiting the position of the pipeline are provided at both ends of the rear side of the top of the second support plate (302), two third fixed baffles (304) for limiting the position of the three-way are provided in the middle of the rear side, a second movable baffle (305) and a third movable baffle (306) for positioning the pipeline and the three-way are respectively slidably provided on the front side, and a fourth manual mechanism for driving the second movable baffle (305) and the third movable baffle (306) to slide is respectively provided on the second movable frame (301); The elbow platform (4) comprises a third movable frame (401), a third support plate (402) is provided on the top of the third movable frame (401), a fourth fixed baffle (403) for limiting the position of the pipeline and a fifth fixed baffle (404) for limiting the position of the elbow are provided on the rear side of the top of the third support plate (402), a fourth movable baffle (405) and a fifth movable baffle (406) for positioning the pipeline and the elbow are slidably provided on the front side, and a fifth manual mechanism for driving the fourth movable baffle (405) and the fifth movable baffle (406) is provided on the third movable frame (401).

2. According to claim 1, a platform for assembling pipes of various diameters, It is characterized in that The first moving frame (201), the second moving frame (301) and the third moving frame (401) are all provided with rollers at the bottom, and tracks corresponding to the rollers are provided at the top of the bottom plate (1), and the rollers roll along the tracks.

3. According to claim 1, a platform for assembling pipes of various diameters, It is characterized in that A plurality of first slide grooves (212) are provided on the top of the first support plate (202), and a first sliding block is provided on the bottom of the first movable baffle plate (204), and the first sliding block is slidably disposed in the corresponding first slide grooves (212).

4. According to claim 3, a platform for assembling pipes of various diameters, It is characterized in that The first manual mechanism comprises a first screw rod (213) and a first hand wheel (214); the first screw rod (213) is rotatably connected between the front and rear inner walls of the top of the first moving frame (201); the bottom of the first sliding block passes through the first sliding groove (212) and is threadedly connected to the first screw rod (213); the front end of the first screw rod (213) passes through the first moving frame (201) and is connected to the first hand wheel (214).

5. The assembly platform for pipes of various diameters according to claim 1, It is characterized in that The second manual mechanism comprises a second screw rod (215) and a second hand wheel (216). The second screw rod (215) is rotatably connected to the middle of the upper and lower inner walls of the rectangular frame (206), and the second screw rod (215) is threadedly connected to the lifting frame (207). The bottom of the second screw rod (215) passes through the rectangular frame (206) and is connected to the second hand wheel (216).

6. The assembly platform for pipes of various diameters according to claim 5, It is characterized in that Second sliders are provided at the four corners of the flange positioning plate (208) away from the first moving frame (201), and the second sliders are slidably arranged on the inner wall of the lifting frame (207). The third manual mechanism comprises a third screw rod (217), a third hand wheel (218), and a moving block (219). The third screw rod (217) is rotatably connected between the inner walls on both sides of the lifting frame (207), and one end of the third screw rod (217) passes through the lifting frame (207) and is connected to the third hand wheel (218). The moving block (219) is fixed on the side of the flange positioning plate (208) away from the first moving frame (201) and is threadedly connected to the third screw rod (217). A rectangular frame (206) is protruded on the side of the lifting frame (207) close to the first moving frame (201). The third screw rod (217) is located at the protruding part of the lifting frame (207) and does not interfere with the second screw rod (215).

7. The assembly platform for pipes of various diameters according to claim 1, It is characterized in that A plurality of second slide grooves (307) are arranged on the top of the second support plate (302), and a third sliding block is arranged on the bottom of the second movable baffle (305) and the third movable baffle (306), and the third sliding block is slidably arranged in the corresponding second slide grooves (307).

8. The assembly platform for pipes of various diameters according to claim 7, It is characterized in that The fourth manual mechanism comprises a fourth screw rod (308) and a fourth hand wheel (309). The fourth screw rod (308) is rotatably connected between the front and rear inner walls of the top of the second moving frame (301). The bottom of the third sliding block passes through the second sliding groove (307) and is threadedly connected to the fourth screw rod (308). The front end of the fourth screw rod (308) passes through the second moving frame (301) and is connected to the fourth hand wheel (309).

9. The assembly platform for pipes of various diameters according to claim 1, It is characterized in that A plurality of third slide grooves (407) are arranged on the top of the third support plate (402), and fourth sliding blocks are arranged on the bottom of the fourth movable baffle plate (405) and the fifth movable baffle plate (406), and the fourth sliding blocks are slidably arranged in the corresponding third slide grooves (407).

10. The assembly platform for pipes of various diameters according to claim 9, It is characterized in that The fifth manual mechanism comprises a fifth screw rod (408) and a fifth hand wheel (409). The fifth screw rod (408) is rotatably connected between the front and rear inner walls of the top of the third moving frame (401). The bottom of the fourth sliding block passes through the third sliding groove (407) and is threadedly connected to the fifth screw rod (408). The front end of the fifth screw rod (408) passes through the third moving frame (401) and is connected to the fifth hand wheel (409).

Images