A municipal road drainage pipeline with anti-blocking function

By combining an umbrella-shaped disc and a linkage rod, the problem of relying on manual labor for garbage cleaning in municipal road drainage pipes has been solved, achieving automated garbage cleaning and efficient drainage under large water volumes, thus avoiding blockages.

CN117364561BActive Publication Date: 2025-12-12SHANXI INTEGRITY MUNICIPAL CONSTR
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Patent Information

Application Number
CN202311180722.5
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-09-13
Publication Date
2025-12-12
Estimated Expiration
2043-09-13

AI Technical Summary

Technical Problem

The existing municipal road drainage pipes require manual operation for garbage collection, resulting in low sewage discharge efficiency and easy blockage.

Method used

A combined structure including an umbrella-shaped disc, a connecting frame, a water well pipe, and a cover was designed. The umbrella-shaped disc sweeps away garbage, while the linkage rod and float control the drainage volume. Combined with a motor to crush the garbage, it achieves automated garbage cleaning and increases drainage volume.

Benefits of technology

It achieves automated garbage disposal, avoids blockages, and improves drainage efficiency, especially during heavy rains, effectively preventing water accumulation and blockages.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application discloses a municipal road drainage pipeline with a blockage prevention function, and relates to the technical field of municipal road drainage. The pipeline comprises a base, the top surface of the base is fixedly provided with a sewer pipe, the inside of the sewer pipe is fixedly provided with an umbrella-shaped disc, the outer surface of the sewer pipe is fixedly provided with a connecting frame in a symmetrical manner, the top surface of the sewer pipe is fixedly provided with a well pipe, and the top surface of the well pipe is fixedly provided with a cover. The umbrella-shaped disc assembly structure can sweep the falling garbage and sundries into the connecting frame assembly for treatment during daily drainage use, so as to avoid blockage caused by the accumulation of garbage and sundries. In addition, when the water volume is large in rainy days, the drainage volume can be increased to avoid sewage congestion, and the drainage efficiency is ensured. In combination with the cover structure, the drainage volume can be further increased when the water volume is large in the outside world, so that the blockage caused by the accumulation of garbage and sundries and insufficient drainage volume can be avoided.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of municipal road drainage, in particular to a drainage pipeline with anti-blocking function for municipal roads. BACKGROUND

[0002] Drainage pipeline refers to the system composed of pipes and channels and its auxiliary facilities for collecting and discharging sewage, wastewater and rainwater, no matter where it is built on the street or any other place, as long as it is a pipeline for drainage, it should be counted as a drainage pipeline. In the process of municipal road drainage, drainage pipelines are needed to discharge sewage;

[0003] The utility model discloses a municipal road drainage pipeline structure, when the water flow on the road surface flows into the pipe body, the first filter plate can filter the larger garbage in the water flow to prevent the larger garbage from flowing into the pipe body, when the water flow carries the garbage onto the second sieve plate, the driving assembly is started, the driving assembly works to drive the scraper to move on the second filter plate to the side close to the through hole, the scraper pushes the garbage on the second filter plate to move to the side close to the through hole, until the scraper pushes the garbage on the second filter plate into the recycling box, which can prevent the garbage from flowing into the pipe body, thereby solving the problem that the existing road drainage pipeline does not have the anti-blocking function.

[0004] The prior art has certain deficiencies in actual use. Although the first filter plate can filter larger garbage, manual operation is still required for cleaning. If the garbage is not treated in time, the sewage discharge capacity of the pipeline will be affected. SUMMARY

[0005] The present application relates to the technical field of municipal road drainage, in particular to a drainage pipeline with anti-blocking function for municipal roads.

[0006] The present application relates to the technical field of municipal road drainage, in particular to a drainage pipeline with anti-blocking function for municipal roads.

[0007] A drainage pipeline with anti-blocking function for municipal roads, comprising a base, a sewer pipe is fixedly installed on the top surface of the base, an umbrella-shaped disc is fixedly installed inside the sewer pipe, connecting frames are fixedly installed on the outer surface of the sewer pipe in a symmetrical manner, a well pipe is fixedly installed on the top surface of the sewer pipe, and a cover is fixedly installed on the top surface of the well pipe.

[0008] The cover surface is embedded with a top cover at the middle, the surface of the top cover is provided with a leakage hole, the bottom end surface of the cover is welded with a drainage cavity, the inside of the drainage cavity is symmetrically provided with a linkage rod, the surface of the linkage rod is fixedly connected with a connecting sleeve at the middle, one end of the linkage rod is fixedly connected with a float ball, the other end of the linkage rod is rotatably connected with a connecting joint, the surface of the connecting joint is rotatably connected with a top plate, the top end surface of the top plate is welded with an embedded block, and the embedded block is clamped with the leakage hole.

[0009] Preferably, the top end surface of the base is fixedly connected with a reinforcing rib, the top end surface of the reinforcing rib is fixedly connected with a connecting pipe, the two short side surface of the base is fixedly connected with a water guide pipe, and the two short side surface of the base is fixedly connected with a side cushion at the lower end of the water guide pipe.

[0010] Preferably, the drain pipe is fixedly connected with the connecting pipe, the side surface of the drain pipe is provided with an inlet near the bottom end, the side surface of the drain pipe is provided with an outlet near the top end, and the inside surface of the drain pipe is fixedly connected with a flow guide pattern on one side of the outlet.

[0011] Preferably, the side surface of the umbrella-shaped disc is provided with equidistantly arranged notches, the surface of the notches is symmetrically welded with a connecting block, the top end of the umbrella-shaped disc is embedded with a driver, the surface of the connecting block is rotatably connected with a butt joint rod, and the surface of the butt joint rod is fixedly connected with a blocking frame.

[0012] Preferably, the inside of the driver is fixedly installed with a driving motor at the upper and lower ends, the output end of the driving motor at the upper end is fixedly connected with a connecting disc, the side surface of the connecting disc is symmetrically fixedly connected with a sweeping rod, the output end of the driving motor at the lower end is fixedly connected with a connecting shaft, the side surface of the connecting shaft is fixedly connected with a connecting rod, the side surface of the connecting rod is fixedly connected with a toothed groove, one end surface of the butt joint rod is fixedly connected with an anti-dropping head, the other end surface of the butt joint rod is fixedly connected with a connecting gear, the toothed groove is meshingly connected with the connecting gear, the side surface of the blocking frame is provided with a leakage groove, and one short side surface of the blocking frame is fixedly connected with a butt joint sleeve.

[0013] Preferably, the inside of the connecting frame is fixedly installed with a guide frame near the upper end, the inside of the connecting frame is fixedly connected with a mounting frame at the lower end of the guide frame, the surface of the mounting frame is rotatably connected with a hammer blade, one long side surface of the connecting frame is fixedly installed with a first motor, the output end of the first motor is fixedly connected with a hammer blade, one long side surface of the connecting frame is fixedly installed with a second motor near the bottom end, and the output end of the second motor is fixedly installed with a feeding screw rod.

[0014] Preferably, the side surface of the water well pipe is welded with a well cover platform at the top end, the inner side surface of the water well pipe is symmetrically fixed with a placing rack, the surface of the placing rack is welded with a vertical rod, and the surface of the vertical rod is bound with an anti-falling net.

[0015] Preferably, the side surface of the cover is provided with a water leakage hole, the water leakage hole is in through connection with a drainage cavity, the inside of the drainage cavity is symmetrically welded with a supporting rod, and the supporting rod is sleeved with a connecting sleeve.

[0016] The beneficial effects of the present application are:

[0017] Through the umbrella-shaped disc assembly structure, garbage and sundries falling in the daily drainage process can be swept into the connecting rack assembly for treatment, so as to avoid blockage caused by garbage and sundries accumulation. Meanwhile, when the water volume is large in rainy days, the drainage volume can be increased to avoid sewage congestion and ensure the drainage efficiency. In combination with the cover structure, the drainage volume can be further increased when the water volume is large outside, so as to avoid blockage caused by garbage and sundries accumulation and insufficient drainage volume. BRIEF DESCRIPTION OF DRAWINGS

[0018] The present application will be further described below in combination with the drawings.

[0019] Figure 1 is a schematic diagram of the overall structure of the present application;

[0020] Figure 2 is a schematic diagram of the base assembly structure of the present application;

[0021] Figure 3 is a schematic diagram of the split structure of the umbrella-shaped disc assembly of the present application;

[0022] Figure 4 is a schematic diagram of the split structure of the cross section of the connecting rack assembly of the present application;

[0023] Figure 5 is a schematic diagram of the split structure of the cross section of the water well pipe and cover assembly of the present application;

[0024] Figure 6 is an assembly drawing of the drainage pipeline of the present application.

[0025] In the figure: 1, base; 2, reinforcing bar; 3, connecting pipe; 4, water guide pipe; 5, side pad table 6, sewer pipe; 7, inlet; 8, outlet; 9, flow guide; 10, umbrella type disc; 11, connecting block; 12, driver; 13, connecting disc; 14, sweep bar; 15, connecting shaft; 16, connecting rod; 17, tooth groove ring; 18, butt joint rod; 19, anti-drop head; 20, connecting gear; 21, barrier frame; 22, leakage groove; 23, butt joint sleeve; 24, connecting frame; 25, guide frame; 26, mounting frame; 27, hammer piece; 28, first motor; 29, second motor; 30, feeding screw; 31, well pipe; 32, well cover table; 33, placing frame; 34, vertical rod; 35, anti-falling net; 36, cover; 37, water leakage hole; 38, support rod; 39, top cover; 40, leakage hole; 41, linkage rod; 42, connecting sleeve; 43, floating ball; 44, connecting joint; 45, top plate; 46, embedded block. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0027] Please refer to Figures 1-6 The present application is a kind of municipal road drainage pipeline with anti-blocking function, as shown in the figure, including base 1, the top surface of base 1 is fixedly installed with sewer pipe 6, the inside of sewer pipe 6 is fixedly installed with umbrella type disc 10, the outer surface of sewer pipe 6 is fixedly installed with connecting frame 24 symmetrically, the top surface of sewer pipe 6 is fixedly installed with well pipe 31, the top surface of well pipe 31 is fixedly installed with cover 36;

[0028] The surface of the cover 36 is embedded with a top cover 39 at the middle, the surface of the top cover 39 is provided with a leakage hole 40, the bottom end surface of the cover 36 is welded with a drainage cavity, the inside of the drainage cavity is symmetrically provided with a linkage rod 41, the surface of the linkage rod 41 is fixedly connected with a connecting sleeve 42 at the middle, one end of the linkage rod 41 is fixedly connected with a floating ball 43, the other end of the linkage rod 41 is rotatably connected with a connecting joint 44, the surface of the connecting joint 44 is rotatably connected with a top plate 45, the top end surface of the top plate 45 is welded with an embedded block 46, the embedded block 46 is clamped with the leakage hole 40, when the drainage volume increases sharply due to rain and the like, the sewage will drive the floating ball 43 to float up after flowing into the drainage cavity, affected by the buoyancy, and under the limiting action of the connecting sleeve 42, the whole linkage rod 41 will rotate around the connecting sleeve 42, so that the connecting joint 44 rotates, when the bottom of the top plate 45 is affected by the stretching of the two connecting joints 44, and the embedded block 26 is connected with the leakage hole 40, the top plate 45 will slowly descend horizontally, until the floating ball 43 is abutted against the cover 36, at this time, the embedded block 46 will be completely separated from the leakage hole 40, and the sewage can enter the drainage cavity from the leakage hole 40, so as to further improve the drainage volume and avoid the waterlogging of the road;

[0029] The top end surface of the base 1 is fixedly connected with a reinforcing rib 2, the top end surface of the reinforcing rib 2 is fixedly connected with a connecting pipe 3, the two short side surfaces of the base 1 are fixedly connected with a water guide pipe 4, the two short side surfaces of the base 1 are fixedly connected with a side cushion table 5 at the lower end of the water guide pipe 4, the reinforcing rib 2 can assist in reinforcing the connecting pipe 3, so that it can withstand the impact of water pressure, and the water guide pipe 4 can be connected with other bases 1, so as to complete the complete sewage discharge channel and realize the transportation of sewage;

[0030] The sewer pipe 6 is fixedly connected with the connecting pipe 3, the side surface of the sewer pipe 6 is provided with an inlet 7 near the bottom end, the side surface of the sewer pipe 6 is provided with an outlet 8 near the top end, the inside surface of the sewer pipe 6 is fixedly connected with a flow guide 9 at one side of the outlet 8, after the sewage flows into the sewer pipe 6, when the water volume is small, the sewage will flow along the inner wall of the sewer pipe 6, under the influence of the symmetrically arranged flow guide 9, the sewage will flow into the connecting frame 24 from the outlet 8, after the garbage and sundries carried by the sewage are cleaned, the sewage can flow into the sewer pipe 6 from the inlet 7 again;

[0031] The side surface of the umbrella-shaped disc 10 is provided with equidistant grooves, the surface of the groove is symmetrically welded with a connecting block 11, the top end of the umbrella-shaped disc 10 is embedded with a driver 12, the surface of the connecting block 11 is rotatably connected with a butt joint rod 18, the surface of the butt joint rod 18 is fixedly connected with a blocking frame 21;

[0032] The internal upper and lower ends of the driver 12 are fixedly installed with driving motors, the output end of the driving motor at the upper end is fixedly connected with a connecting disc 13, the side surface of the connecting disc 13 is fixedly connected with a sweeping rod 14 in symmetry, the output end of the driving motor at the lower end is fixedly connected with a connecting shaft 15, the side surface of the connecting shaft 15 is fixedly connected with a connecting rod 16, the side surface of the connecting rod 16 is fixedly connected with a gear groove ring 17, one end surface of an abutting rod 18 is fixedly connected with an anti-falling head 19, the other end surface of the abutting rod 18 is fixedly connected with a connecting gear 20, the gear groove ring 17 is meshingly connected with the connecting gear 20, the side surface of a blocking frame 21 is provided with a leakage groove 22, one short side surface of the blocking frame 21 is fixedly connected with an abutting sleeve 23, the abutting sleeve 23 is fixedly connected with the abutting rod 18, in the normal sewage use process, a part of garbage may directly fall on the surface of the umbrella-shaped disc, then in the rotating process of the connecting disc 13, the sweeping rod 14 will push the garbage to slowly move to the edge of the lower water pipe 6, until it is carried by the sewage from the outlet 8 and flows into the inside of the connecting frame 24 for crushing treatment, and in the case of rain and the like, when the sewage treatment amount is large, at this time, the driving motor in the driver 12 can control the rotation of the connecting shaft 15, in this process, the connecting rod 16 will drive the gear groove ring 17 to rotate, because the connecting gear 20 on each abutting rod 18 at the missing groove surface is meshed with the gear groove ring 17, it will cause the blocking frame 21 to start rotating around the abutting rod 18 under the action of the abutting sleeve 23, after the blocking frame 21 rotates inward, it will leak out of the missing groove, so that the sewage can be quickly discharged from the missing groove into the water guide pipe 4;

[0033] A guide frame 25 is fixedly installed at the internal upper end of the connecting frame 24, an installation frame 26 is fixedly connected at the lower end of the guide frame 25 in the inside of the connecting frame 24, a hammer blade 27 is rotatably connected to the surface of the installation frame 26, a first motor 28 is fixedly installed on one long side surface of the connecting frame 24, the output end of the first motor 28 is fixedly connected with the hammer blade 27, a second motor 29 is fixedly installed on one long side surface of the connecting frame 24 close to the bottom end, a feeding screw rod 30 is fixedly installed at the output end of the second motor 29, after the sewage carrying garbage flows into the connecting frame 24, when flowing through the guide frame 25, the garbage will be recorded on the surface of the hammer blade 27 from directly above according to the slope, and the hammer blade 27 driven by the first motor 28 will crush it, then the crushed garbage will flow downward along the sewage flow to the connecting frame 24, under the driving of the second motor 29, the feeding screw rod 30 will rotate to convey the garbage and the sewage to flow into the sewer pipe 6 again;

[0034] A well lid table 32 is welded and fixed at the side surface of the top end of the water well pipe 31, placing frames 33 are fixedly connected to the internal side surface of the water well pipe 31 in symmetry, stand rods 34 are welded and fixed to the surface of the placing frames 33, anti-falling nets 35 are connected to the surface of the stand rods 34 in a binding manner, the anti-falling nets 35 can effectively avoid the situation that pedestrians fall into the sewer pipe 6;

[0035] The side surface of the cover 36 is provided with a water leakage hole 37 which is in through connection with the drainage cavity, the inside of the drainage cavity is symmetrically welded and fixed with a supporting rod 38, the supporting rod 38 is sleeved with a connecting sleeve 42, the water leakage hole 37 is a hole channel which is opened to meet normal sewage discharge, and the supporting rod 38 can be used to support the connecting sleeve 42 so that the linkage rod 41 can rotate around the axis.

[0036] The working principle of the present application: when the rain and other conditions cause the drainage capacity to surge, at this time, the sewage will drive the floating ball 43 to float up after pouring into the drainage cavity, affected by the buoyancy, and also under the limiting action of the connecting sleeve 42, the whole linkage rod 41 will rotate around the connecting sleeve 42 position, so that the connecting joint 44 position rotates together, when the top plate 45 bottom is affected by the stretching of the two groups of connecting joints 44, and cooperates with the butt joint of the embedded block 26 and the leakage hole 40, the top plate 45 will slowly descend horizontally, until the floating ball 43 is abutted against the cover 36 under the influence of the buoyancy, at this time, the embedded block 46 will also completely separate from the leakage hole 40, and the sewage can enter the drainage cavity from the leakage hole 40, so as to further improve the drainage capacity, avoid causing the road water to be not smooth, after the sewage flows into the sewer pipe 6, when the water volume is small, the sewage will flow along the inner wall of the sewer pipe 6, under the influence of the symmetrically arranged flow guide lines 9, the sewage will flow into the connecting frame 24 from the outlet 8, after the garbage and sundries carried by the sewage are cleaned, they can be carried by the sewage and flow into the sewer pipe 6 from the inlet 7, in the normal sewage discharge process, part of the garbage and sundries may directly fall on the surface of the umbrella-shaped disc, and then in the rotating process of the connecting disc 13, the sweeping rod 14 will push the garbage and sundries to slowly move to the edge close to the sewer pipe 6, until they are carried by the sewage and flow into the connecting frame 24 from the outlet 8 for crushing treatment, and in the case of rain and other sewage treatment capacity increasing, at this time, the driving motor in the driver 12 can control the rotation of the connecting shaft 15, in this process, the connecting rod 16 will drive the gear slot ring 17 to rotate, because the connecting gears 20 on the abutment rods 18 of each missing slot surface are all engaged with the gear slot ring 17, it will cause the blocking frame 21 to start rotating around the abutment rod 18 under the action of the abutment sleeve 23, after the blocking frame 21 rotates inward, the missing slot will be leaked, so that the sewage can be quickly discharged into the water guide pipe 4 from the missing slot, after the sewage carrying garbage and sundries flows into the connecting frame 24, when flowing through the guide frame 25, the garbage and sundries will be recorded on the surface of the hammer piece 27 from directly above along the slope thereof, and the hammer piece 27 driven by the first motor 28 will crush them, and then the crushed sundries will flow along the sewage to the lower part of the connecting frame 24, and the feeding screw 30 will rotate to convey the sundries and the sewage to flow into the sewer pipe 6 again under the driving of the second motor 29.

[0037] The above has been described in detail one embodiment of the present application, but the content is only the preferred embodiment of the present application, cannot be considered for limiting the scope of the present application. Any equivalent changes and improvements made in the scope of the present application, should still belong to the scope of the present application.

Claims

1. A drainage pipeline with anti-blocking function for municipal roads, comprising a base (1), characterized in that, The top surface of the base (1) is fixedly installed with a sewer pipe (6), the inside of the sewer pipe (6) is fixedly installed with an umbrella type disc (10), the outside surface of the sewer pipe (6) is fixedly installed with a connecting frame (24) in symmetry, the top end surface of the sewer pipe (6) is fixedly installed with a water well pipe (31), the top end surface of the water well pipe (31) is fixedly installed with a cover (36); The surface of the cover (36) is embedded and fixed with a top cover (39) at the middle part, the surface of the top cover (39) is provided with a leakage hole (40), the bottom end surface of the cover (36) is welded and fixed with a drainage cavity, the inside of the drainage cavity is provided with a linkage rod (41) in symmetry, the surface of the linkage rod (41) is fixedly connected with a connecting sleeve (42) at the middle part, one end of the linkage rod (41) is fixedly connected with a floating ball (43), the other end of the linkage rod (41) is rotatably connected with a connecting joint (44), the surface of the connecting joint (44) is rotatably connected with a top plate (45), the top end surface of the top plate (45) is welded and fixed with an embedded block (46), the embedded block (46) is clamped with the leakage hole (40); The side surface of the umbrella type disc (10) is provided with equidistantly arranged grooves, the surface of the groove is welded and fixed with a connecting block (11) in symmetry, the top end of the umbrella type disc (10) is embedded and fixed with a driver (12), the surface of the connecting block (11) is rotatably connected with a butt joint rod (18), the surface of the butt joint rod (18) is fixedly connected with a blocking frame (21); The inside of the driver (12) is fixedly installed with a driving motor at the upper and lower ends, the output end of the driving motor at the upper end is fixedly connected with a connecting disc (13), the side surface of the connecting disc (13) is fixedly connected with a sweeping rod (14) in symmetry, the output end of the driving motor at the lower end is fixedly connected with a connecting shaft (15), the side surface of the connecting shaft (15) is fixedly connected with a connecting rod (16), the side surface of the connecting rod (16) is fixedly connected with a gear slot ring (17), one end surface of the butt joint rod (18) is fixedly connected with an anti-dropping head (19), the other end surface of the butt joint rod (18) is fixedly connected with a connecting gear (20), the gear slot ring (17) is meshingly connected with the connecting gear (20), the side surface of the blocking frame (21) is provided with a leakage groove (22), one short side surface of the blocking frame (21) is fixedly connected with a butt joint sleeve (23), the butt joint sleeve (23) is fixedly connected with the butt joint rod (18).

2. The drainage pipeline with anti-blocking function for municipal roads according to claim 1, characterized in that, The top end surface of the base (1) is fixedly connected with a reinforcing rib (2), the top end surface of the reinforcing rib (2) is fixedly connected with a connecting pipe (3), the two short side surfaces of the base (1) are fixedly connected with a water guide pipe (4), the two short side surfaces of the base (1) are fixedly connected with a side cushion table (5) at the lower end of the water guide pipe (4).

3. The drainage pipeline with anti-blocking function for municipal roads according to claim 2, characterized in that, The sewer pipe (6) is fixedly connected with the connecting pipe (3), the side surface of the sewer pipe (6) is provided with an inlet (7) near the bottom end, the side surface of the sewer pipe (6) is provided with an outlet (8) near the top end, and the inner side surface of the sewer pipe (6) is fixedly connected with a flow guide pattern (9) on one side of the outlet (8).

4. The drainage pipeline with anti-blocking function for municipal roads according to claim 1, characterized in that, The inside of the connecting frame (24) is fixedly installed with a guide frame (25) near the upper end, the inside of the connecting frame (24) is fixedly connected with a mounting frame (26) below the guide frame (25), the surface of the mounting frame (26) is rotatably connected with a hammer blade (27), one long side surface of the connecting frame (24) is fixedly installed with a first motor (28), the output end of the first motor (28) is fixedly connected with the hammer blade (27), one long side surface of the connecting frame (24) is fixedly installed with a second motor (29) near the bottom end, and the output end of the second motor (29) is fixedly installed with a feeding screw rod (30).

5. The drainage pipeline with anti-blocking function for municipal roads according to claim 1, characterized in that, The side surface of the water well pipe (31) is welded and fixed with a well cover table (32) at the top end, the inner side surface of the water well pipe (31) is fixedly connected with a placing frame (33) in a symmetrical manner, the surface of the placing frame (33) is welded and fixed with a vertical rod (34), and the surface of the vertical rod (34) is connected with a falling prevention net (35) in a binding manner.

6. The drainage pipeline with anti-blocking function for municipal roads according to claim 1, characterized in that, The side surface of the cover (36) is provided with a water leakage hole (37), the water leakage hole (37) is connected with a drainage cavity in a penetrating manner, the inside of the drainage cavity is welded and fixed with a supporting rod (38) in a symmetrical manner, and the supporting rod (38) is connected with a connecting sleeve (42) in a sleeved manner.

Citation Information

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