CN110758691A

CN110758691A - Reverse buckling type double U clamping type submersible water impeller

Info

Publication number: CN110758691A
Application number: CN201911226453.5A
Authority: CN
Inventors: 常静; 张成华; 田飞; 常青
Original assignee: Zhongjitongda Water Treatment Equipment Research Institute Jiangsu Co Ltd
Current assignee: Zhongjitongda Water Treatment Equipment Research Institute Jiangsu Co Ltd
Priority date: 2019-12-04
Filing date: 2019-12-04
Publication date: 2020-02-07

Abstract

The invention discloses an inverted double-U clamping type submersible water impeller, which comprises an underwater guide rail mounting seat, the underwater guide rail bottom mounting seat is fixed on pool bottom concrete, the upper portion of the underwater guide rail bottom mounting seat is fixed on pool surface concrete, the lifting device is fixed on the pool surface concrete, a supporting tenon seat is fixed above the underwater guide rail bottom mounting seat, two appearance inverted U-shaped supporting tenon blocks are symmetrically fixed above the supporting tenon seat, inverted U-shaped double-U clamping devices are arranged above the two appearance inverted U-shaped supporting tenon blocks and comprise two inverted double-U-shaped clamping frames which are symmetrically arranged and a connecting plate used for connecting the two inverted double-U-shaped clamping frames, the inverted double-U-shaped clamping frames are of inverted U-shaped concave structures, the two inverted double-U-shaped clamping frames are longitudinally symmetrically arranged along the center line of the flow pusher, and inverted double-U-shaped rubber pads are arranged between the inverted double-U-shaped clamping frames and the appearance inverted U-shaped supporting tenon blocks.

Description

Reverse buckling type double U clamping type submersible water impeller

Technical Field

The invention relates to the field of urban domestic sewage treatment and sewage treatment special equipment, in particular to an inverted double-U clamping type submersible water impeller.

Background

Diving impeller is a mechatronics diving device by motor reduction gear drive impeller is rotatory, wide application in city domestic sewage treatment field, stirring sewage, mix mud, it flows to promote water medium, retardant mud subsides, be sewage treatment plant key core equipment, it comprises three major parts, firstly impeller host computer, secondly underwater guide rail mount pad, three is hoisting device, this equipment host computer work is in the position of 6 meters left and right sides under water, so underwater guide rail mount pad fixes at the bottom of the pool under water, hoisting device installs at the pool face on water, impeller host computer is mentioned by hoisting device on water, transfer along the guide rail and slide, work of taking one's place to underwater pool bottom mount pad, need to pull up also directly to mention by hoisting device and move up along the guide rail, traditional equipment technique has three major defects: one is that the mount pad structure is flat under water, can't carry out effectual fixed and press from both sides tightly to the impeller of laying on it, the impeller is at the easy vibration of operation and noise under water, its two, impeller operating condition does not have by the special setting of the corollary of the fixed straining of nature, can't and mount pad between form the corollary structure of effective fixed under water, its three, the misclassification is great on the traditional understanding, always in order to be the impeller equipment trouble high because impeller host computer quality is poor, cause the improvement host computer quality of domestic producer taste, and neglected the whole systematicness of equipment, the supporting requirement of integrated inferior nature, the disguise of the equipment operating mode under water has more been neglected, complexity and disguise, also can't know the equipment can't effectively fix under water and press from both sides tightly be the fundamental reason of trouble, vibration and short-lived.

To sum up, the equipment has strong systematicness and high integration level, more than half of the domestic market share is imported, the domestic equipment always has various problems, the service life is often short, the failure rate is high, the user satisfaction is low, therefore, on the basis of fully knowing the use working condition and knowing the mechanical principle to find the root cause of the failure, the invention provides the inverted double-U clamping type submersible water impeller, the main machine of the impeller can be firmly buckled on the mounting seat when working in place and can be loosened when being pulled upwards and separated by the inverted double-U clamping type clamping device of the invention, the gravity action, the performance of a rubber piece and the relevance of the system structure are utilized, the technical problems of the underwater looseness, vibration and noise of the equipment are thoroughly solved, the market conditions of high failure rate, short service life and unsuspected users of the impeller equipment are thoroughly distinguished, the invention has the practical significance of eliminating laggard and replacing imports, and meets the direction of users to high-reliability, high-quality and high-standard products.

Disclosure of Invention

In order to solve the defects of the prior art, the invention aims to provide the inverted double-U clamping type submersible water impeller which can solve the problems of vibration, noise and high failure rate caused by the fact that a main machine of the submersible water impeller cannot be fixed and clamped underwater.

In order to achieve the above object, the present invention adopts the following technical solutions:

the inverted double-U clamping type submersible water impeller comprises an underwater guide rail mounting seat (1), an impeller host (2) and a lifting device (3), and is characterized in that the underwater guide rail bottom mounting seat is fixed on pool bottom concrete, the lifting device (3) is fixed on pool surface concrete, a supporting tenon seat (24) is fixed above the underwater guide rail bottom mounting seat, two inverted U-shaped supporting tenon blocks (7) are symmetrically fixed above the supporting tenon seat (24), inverted double-U clamping devices (4) are arranged above the two inverted U-shaped supporting tenon blocks (7), each inverted double-U clamping device (4) comprises two symmetrically-arranged inverted double-U clamping frames (6) and a connecting plate for connecting the two inverted double-U-clamping frames (6), and the inverted double-U-clamping frames (6) are arranged into an inverted U-shaped inwards concave structure, the two reverse buckling type double-U-shaped clamping frames (6) are longitudinally and symmetrically arranged along the central line of the flow pusher, a reverse buckling type double-U-shaped rubber pad is arranged between the reverse buckling type double-U-shaped clamping frame and the shape reversed U-shaped supporting tenon block (7), the reverse buckling type double-U-shaped clamping frame (6) and the shape reversed U-shaped supporting tenon block (7) are fixedly connected through bolts, two fixing seat plates (17) are fixedly welded at the top of the reverse buckling type double-U-shaped clamping device (4), a groove is formed in the middle of each fixing seat plate (17), the groove of each fixing seat plate (17) is welded at the bottom of the flow pusher main machine (2), tail wings (9) are symmetrically arranged on one side, away from the shape reversed U-shaped supporting tenon block (7), of each tail wing (9) is provided with a pulley device (10) through threads, impeller host computer (2), fin (9) and pulley gear (10) form fin (9) cavity, fin (9) cavity is provided with square guide rail (11), on square guide rail (11) one end was fixed in pond end concrete, the other end was fixed in on the pool face concrete, impeller host computer (2) top was provided with rings, be provided with the haulage rope on the rings, the haulage rope other end sets up on hoisting device (3).

Preferably, the underwater guide rail mounting seat (1) comprises two supporting legs (8) which are arranged in bilateral symmetry, the two supporting legs (8) are of a delta-angle splayed structure, a cross beam (16) is arranged between the tops of the two supporting legs (8), a fixing block is arranged below the cross beam (16), two ends of the fixing block are respectively fixed on the two supporting legs (8), and a supporting plate is arranged between the lower parts of the two supporting legs (8).

Preferably, one end of the cross beam (16) far away from the supporting leg (8) and one end of the supporting plate far away from the supporting leg (8) are both arranged on the square guide rail (11), reinforcing ribs are arranged on two sides of one end of the supporting plate close to the square guide rail (11), strength between the supporting legs (8) is improved, and stability is improved.

More preferably, the longitudinal interface of the aforementioned tail (9) cavity is located on the same central interface as the longitudinal section of the flow driver main body (2).

Further preferably, the outer diameter of the inverted U-shaped supporting tenon block (7) is matched with the inner diameter of the inverted double-U-shaped rubber pad, the outer diameter of the inverted double-U-shaped rubber pad is matched with the inner diameter of the inverted double-U-shaped clamping frame (6), and the flexibility and elasticity of the inverted double-U-shaped rubber layer can be tightly buckled, form interference fit and automatically clamped when the inverted U-shaped supporting tenon block (7) is embedded and butted; when the device is separated from the upper moving part, the device is gradually loosened and separated from the position to naturally separate.

Specifically, aforementioned pulley gear (10) is including pulley shaft (12), pulley shaft (12) one end is provided with pulley shaft fender flange (15) other end and is provided with the screw thread, pulley shaft (12) middle part outside is provided with pulley (13), the outside of pulley (13) is provided with pulley rubber layer (14), and pulley shaft fender flange (15) can block pulley (13) and not squint and drop, and pulley shaft (12) middle part is the revolute pair state with pulley (13) hole, all leaves reasonable clearance between pulley (13) terminal surface and fin (9) inner wall and the axle fender flange, guarantees the realization of revolute pair, and pulley (13) outer parcel has pulley rubber layer (14), reduces vibration and the noise that produces when pulley (13) and guide rail slide.

The invention has the advantages that: the underwater water impeller main machine (2) is effectively fixed and clamped on the underwater mounting seat by taking the underwater guide rail as a support and a reference and tightly buckling the vertical tenon block on the mounting seat at the bottom of the pool by the inverted double-U clamping device below the gravity center of the main machine under the action of gravity by utilizing the mortise and tenon structure principle, so that the vibration and the noise are eliminated, and the equipment can stably and reliably run for a long time; the clamping device and the vertical support tenon block can be automatically clamped and naturally loosened, and the functions of underwater in-place clamping and pull-up separation of the equipment are realized.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the fastening and clamping structure of the double U clamping device and the tenon block of FIG. 1;

FIG. 3 is a schematic cross-sectional view of the B-B mortise and tenon type fastening clamping state in FIG. 1;

FIG. 4 is a schematic view of a main machine of the submersible water impeller;

FIG. 5 is a schematic illustration of the C-C section of the double U clamping device of FIG. 4 in relation to the size of the tail cavity and the structure thereof;

FIG. 6 is a schematic view of a pulley arrangement;

figure 7 is a schematic view of a transverse cross-sectional configuration of an inverted dual U clamping device;

FIG. 8 is a schematic cross-sectional view of an inverted double U clamp frame;

FIG. 9 is a schematic view of a U-shaped rubber pad;

FIG. 10 is a schematic view of a subsea guide rail mount configuration;

FIG. 11 is a schematic view of the A-direction structure of FIG. 10;

FIG. 12 is a schematic view showing the dimensional relationship and structure of the rail and tenon block arrangement of the D-D section of FIG. 10;

fig. 13 is a schematic view of a vertical arrangement structure of tenon block seats and tenon blocks.

The meaning of the reference symbols in the figures: 1. the underwater guide rail mounting seat comprises an underwater guide rail mounting seat, 2, a flow pushing device host, 3, a lifting device, 4, a reverse double-U clamping device, 5, a reverse U-shaped rubber pad, 6, a reverse double-U clamping frame, 7, an inverted U-shaped supporting tenon block in shape, 8, supporting legs, 9, a tail wing, 10, a pulley device, 11, a square guide rail, 12, pulley shafts, 13, pulleys, 14, a pulley rubber layer, 15, pulley shaft blocking flanges, 16, a cross beam, 17, a fixing seat plate, 24 and a supporting tenon block seat.

Detailed Description

The invention is described in detail below with reference to the figures and the embodiments.

Referring to fig. 1, 2, 3, 4, 5, 7, 8, 10, 11, 12, 13, the upper part of the underwater guide rail mounting seat 11 is fixedly connected with the concrete on the pool surface, the lower part is fixedly connected with the concrete on the pool bottom, the underwater guide rail mounting seat is in a top standing state of being jacked up to the pool surface and supported down to the pool bottom and is firmly fixed between the pool surface and the pool bottom, two U-shaped supporting tenon blocks 7 with inverted shapes are arranged on the underwater guide rail mounting seat 1, the U-shaped supporting tenon blocks 7 with inverted shapes are vertically arranged and are in a double-bar state of sports equipment, the two U-shaped supporting tenon blocks 7 with inverted shapes of a double-bar structure are in certain size structural connection with a cross bar, the cross bar is used as a positioning reference, the longitudinal section of the cross bar is used as a left and right symmetrical arrangement of a central section, the guide rail and the two tenon blocks are in a cross-section structure arrangement state, the two U-shaped supporting tenon blocks, and then fixed on the supporting foot 8 by the supporting tenon seat 24.

The main body 2 of the flow pusher is a tail wing 9 cavity formed by a tail wing 9 and a pulley device 10, a square guide rail 11 is wrapped on the main body 2 of the flow pusher, the main body is connected to the square guide rail 11 in a hinged mode, the inner wall of the tail wing 9 cavity and the square guide rail 11 are in a moving pair state, the longitudinal section of the tail wing 9 cavity and the longitudinal section of the main body 2 of the flow pusher are the same central section which is overlapped and the same, the main body 2 of the flow pusher is lifted by a lifting device 3, the functions of lowering in place and moving up and pulling out of main body equipment are realized by the upward and downward movement of the tail wing 9 cavity of the tail wing 9, an inverted double-U clamping device 4 is arranged right below the gravity center position of the main body 2 of the flow pusher and comprises two inverted double-U clamping frames 6, the inverted double-U clamping frames 6 are in an inwards concave shape with two inverted U-shaped structures and are symmetrically and, use fin 9 chamber as the location benchmark, also with fin 9 chamber longitudinal section symmetry, two U clamping device and fin 9 chamber from up looking down, plane view is article style of calligraphy structural arrangement state, be provided with two U type rubber pads of back-off formula between U type support tenon piece 7 is invertd to two U clamping frame 6 of back-off formula and appearance, and invert U type support tenon piece 7 with two U clamping frame 6 of back-off formula and appearance through the bolt and be connected fixedly, two U clamping device 4 of back-off formula and two appearance inversion type two U tenon pieces of impeller host computer 2 transfer.

When the device is in place, the device is based on the square guide rail 11, under the action of the gravity of the main unit 2 of the flow pusher, the main unit moves downwards, the concave U cavity of the inverted U-shaped clamping frame 6 naturally aligns to the inverted U-shaped supporting tenon 7 on the underwater guide rail mounting seat 1, and is automatically fastened in place, the inverted U-shaped clamping device 4 tightly holds the clamping state of the inverted U-shaped supporting tenon 7, and the functions of dynamically and automatically fixing and fastening the main unit 2 of the flow pusher on the pool bottom mounting seat are realized; when the plug is pulled out, under the action of the pulling force of the lifting device 3 and the nature of the inverted U-shaped structure, the clamping device can be naturally separated from the inverted U-shaped supporting tenon block 7, the automatic loosening and pulling-out functions are realized, and the in-place fastening and pulling-out loosening of the flow pusher main machine 2 and the underwater guide rail mounting seat 1 can be automatically and naturally realized underwater.

Referring to fig. 1, 2, 3, 4, 5, 6, 7, 8, 9, the current thruster main machine 2 includes a tail wing 9 and pulley devices 10, and a reverse-buckling type double-U clamping device 4, where the tail wing 9 is divided into two wings, the two wings are symmetrically arranged with the longitudinal vertical central section of the current thruster main machine 2 as a symmetry plane, the distance between the inner walls of the two wings is H +2, the rear ends of the two wings are respectively and correspondingly arranged with the pulley devices 10 perpendicular to the inner walls of the wings, the structural dimensions of the two pulley devices 10 have the same association requirement, an opening distance I is left between the two pulley devices, the opening size satisfies that when the current thruster main machine 2 is lifted, the cavity of the tail wing 9 can be sleeved into a square guide rail 11, the clear dimension of the distance from the pulley 13 to the rear cover of the current thruster main machine 2 by the inner edge is H +2, the tail wing 9, the pulley devices 10 and the rear cover of the current thruster main machine 2 naturally form a square tail wing 9 cavity, and, the space can contain the square guide rail 11 of H x H, the requirement that the empennage 9 cavity and the square guide rail 11 embedded between the empennage 9 cavity form a moving pair is met, the upward and downward sliding of the current thruster host 2 along the square guide rail 11 is smooth and does not fall off, the pulley 13 and the square guide rail 11 form a rotating pair, and the contact with the square guide rail 11 is a linear type, so that the chain connection between the current thruster host 2 and the square guide rail 11 is ensured, and the moving is ensured not to be blocked.

The reverse buckling type double-U clamping device 4 comprises two reverse buckling type double-U clamping frames 6, the reverse buckling type double-U clamping frames 6 are two U-shaped inner concave cavities which are placed reversely, and are arranged right below the gravity center position of the main machine 2 of the flow impeller, the reverse buckling type double-U clamping frames 6 are transversely and symmetrically arranged by taking the longitudinal vertical central section of the main machine 2 of the flow impeller as a symmetrical plane, the central distance is A, the central distance A is also the central distance size of two shape reversed U-shaped supporting tenons 7 on the supporting legs 8, the requirement that the centers of the reversed U-shaped inner concave cavities and the shape reversed U-shaped supporting tenons 7 are corresponding and matched is met, the size K is longitudinally arranged by taking the gravity center of the main machine 2 of the flow impeller as the symmetry in the reverse buckling type double-U clamping frames 6, the size K ensures the weight of the main machine 2 of the flow impeller and simultaneously meets the working stability and the stress balance of the equipment, and the net tail wing size between the reverse buckling type double-U clamping frames 6 and 9 is J-1, the size and the clear size J between the U-shaped supporting tenon block 7 with the inverted shape and the guide rail are accurately calculated and correspond to each other, so that the U-shaped supporting tenon block and the guide rail are accurately butted and fastened on the basis of the common guide rail.

As shown in fig. 3, 5, and 6, the pulley device 10 includes a pulley shaft 12 and a pulley 13, the pulley shaft 12 includes a threaded section, a cylindrical section, and a pulley shaft stop flange 15, one end of the pulley shaft 12 is vertically connected to the tail wing 9 through the threaded section, the pulley 13 is disposed outside the cylindrical section, and the pulley 13 is stopped by the pulley shaft stop flange 15 from deviating and falling off, the cylindrical section of the pulley shaft 12 and an inner hole of the pulley 13 are in a revolute pair state, a reasonable gap is left between an end surface of the pulley 13 and an inner wall of the tail wing 9 and the pulley shaft stop flange 15, so as to ensure the realization of the revolute pair, and the pulley 1313 is wrapped by a pulley rubber layer 1414, so that when the flow pusher main machine 2 slides on the square guide rail 11, the pulley device plays roles.

Referring to fig. 2, 3, 4, 5, 7, 8, and 9, the inverted double U clamping device 4 includes two symmetrically arranged inverted double U clamping frames 6 and a connecting plate for connecting the two inverted double U clamping frames 6, the inverted double U clamping frame 66 and the flow driver main frame 22 are connected, and are arranged right below the gravity center of the flow driver main frame 2, and are two inverted U-shaped inner cavities with a center distance of a, the inverted U-shaped inner cavities are composed of bolt holes, an inverted double U clamping frame 6 bottom arc, and inverted double U clamping frames 6 side faces, the bolt holes are arranged in two groups, one group is an inverted double U clamping frame 6 bottom arc bolt hole, the other group is an inverted double U clamping frame 6 side bolt hole, the inverted double U clamping frame 6 bottom arc bolt hole is arranged at the center position of the bottom arc, and is in a vertical state, a plurality of bolt holes are arranged at the side faces, and is in a horizontal state, the hole spacing is E, the position of the bolt hole corresponds to the position of the bolt hole on the inverted U-shaped rubber pad, the inverted U-shaped rubber pad 5 and the inverted double-U-shaped clamping frame 6 are fixed, the radius of the bottom arc of the inverted double-U-shaped clamping frame 6 is R1, the vertical height of the side face of the inverted double-U-shaped clamping frame 6 is D, the size of the inner crotch of the inverted double-U-shaped clamping frame is B1, B1=2R1, B1, R1 and D are consistent with the size of the outer U-shaped rubber pad 5, the embedded installation of the inverted U-shaped rubber pad 5 is met, the inverted U-shaped rubber pad 5 is in a standard U-shaped state and is installed in an inverted mode and comprises the inverted U-shaped rubber pad 5, the outer bottom arc of the inverted U-shaped rubber pad 5, the outer side face of the inverted U-shaped rubber pad 5 and the inner side face of the inverted U-shaped rubber pad 5, the inverted U-shaped rubber pad 5 is in, the diameter of a big hole is G, the diameter of a small hole is F, the diameter of the small hole meets the requirement of bolt penetration, the big hole is designed for accommodating a bolt, the big and small hole diameters are related and matched with the hole diameter design on the inverted double-U clamping frame 6 and the structure and the size of a matched bolt fastener, a bolt hole in the vertical direction is arranged in the center of the bottom arc of the inverted U-shaped rubber pad 5, a plurality of groups of bolt holes in the horizontal direction are arranged on the side surface of the inverted U-shaped rubber pad 5, the hole distance between the upper part and the lower part of the bolt hole is E, the outer bottom arc of the inverted U-shaped rubber pad 5 is set to be R1, the inner bottom arc of the inverted U-shaped rubber pad 5 is set to be R-1.5, the outer side surface of the inverted U-shaped rubber pad 5, the inner side surface of the inverted U-shaped rubber pad 5, the upper and lower height are D, the outer open crotch of the U-shaped opening of the inverted U-shaped rubber pad 5 is B1, the inner, the inverted U-shaped rubber pad 5 is embedded and installed in a tight joint in an inner cavity of an inverted U-shaped clamping frame 6 to jointly form an inverted U-shaped clamping device 4, the U-shaped crotch size of the inverted U-shaped rubber pad 5 is consistent with the shape inverted U-shaped supporting tenon 7 on a supporting leg 8, the radius of an outer convex arc matched with the U-shaped inner bottom of the inverted U-shaped rubber pad 5 is designed to be R, the horizontal size is B, the side height is D, B =2R, the shape inverted U-shaped supporting tenon 7 is embedded in the inverted U-shaped inner cavity of the inverted U-shaped rubber pad 5, the shape size of the embedded part of the shape inverted U-shaped supporting tenon 7 is 1.5mm larger than the size of the single side of the U-shaped inner cavity of the inverted U-shaped rubber pad 5, and the single side of the inverted U-shaped inner cavity of the inverted U-shaped rubber pad 5 is in an interference fit state by utilizing the flexibility and elasticity of rubber materials, thereby satisfying the automatic fastening and clamping functions of the host equipment and the mounting seat.

Referring to fig. 1, 2, 3, 10, 11, 12 and 13, the underwater guide rail mounting seat 1 comprises a square guide rail 11, support legs 8, support tenon block seats 24 and inverted-shape U-shaped support tenon blocks 7, wherein the square guide rail 11 is supported from the pool surface to the pool bottom, is fixed on the pool surface and is fixed on the pool bottom, the lower part of the support tenon block seats is fixed on concrete at the pool bottom like the guide rail, the upper part of the support tenon block seats is fixed with the square guide rail 11 through a cross beam 16, the cross beam 16 is perpendicular to the vertical square guide rail 11, the support tenon block seats 24 are fixed on the front part of the cross beam 16, the two inverted-shape U-shaped support tenon blocks 7 are fixed on the support tenon block seats 24, the lower part of the cross beam 16 is supported and fixed with the cross beam 16 through the two support legs 8, the two support legs 8 are in a delta-shaped state, so that the lower part of the square guide rail 11, the support legs 8, the cross, the square guide rail 11 and the inverted-appearance U-shaped supporting tenon block 7 in the underwater guide rail mounting seat 1, and the square guide rail 11, the cavity of the tail wing 9 of the main machine 2 of the water impeller and the inverted-buckle type double-U clamping device 4 have strict structural dimension and position relevance, the cross section dimension of the square guide rail 11 is H multiplied by H, the cross section dimension is related to the cavity H +2 x (H +2) of the tail wing 9 of the main machine 2 of the water impeller, the cavity of the tail wing 9 is reasonably and properly sleeved on the guide rail, a moving pair is formed, the main machine 2 of the water impeller is ensured to slide smoothly up and down along the square guide rail 11, the dimension relevance is formed between the square guide rail 11 and the inverted-appearance U-shaped supporting tenon block 7, the two inverted-appearance U-shaped supporting tenon blocks 7 are symmetrically arranged by taking the longitudinal section of the square guide rail 11 as a reference, the center distance between the two inverted-appearance U-shaped supporting tenon blocks 7 is A, the horizontal length of the inverted-appearance U-shaped supporting tenon, the square guide rail 11 is associated with the two inverted-shaped U-shaped supporting tenon blocks 7, and the tail wing 9 cavity of the main machine 2 of the flow impeller is associated with the inverted-buckled double-U clamping device 4 in pairs, so that the two associated parts are associated, mutually associated and mutually associated, and the requirements of accurate positioning, natural inverted buckling and automatic clamping of the flow impeller equipment on the bottom of the pool are met.

As shown in fig. 2, 3, 10, 11, 12 and 13, the shape of the inverted U-shaped supporting tenon block 7 is designed into two blocks, the guide rails are used as a reference and are symmetrically arranged, the shape-inverted U-shaped supporting tenon blocks 7 are in the shape of upper semicircular sections and lower rectangular sections and are in the state of inverted U-shaped shapes, the radius of the upper semicircular arc of the shape-inverted U-shaped supporting tenon blocks 7 is R, the width of each rectangle is B, the height of each rectangle is D, and B =2R, the two shape-inverted U-shaped supporting tenon blocks 7 are vertically arranged on the supporting tenon block seats 24, the center distance is A, the whole body is in the state of a double-bar, the cross section sizes of the shape-inverted U-shaped supporting tenon blocks 7 are R and B, the requirement that the inverted U-shaped rubber pads 5 on the inverted double-U-clamping devices 4 are in an interference fit state when the shape-inverted U-shaped supporting tenon blocks 7 are sleeved, the single side of the interference amount is 1.5mm is met, the special performance of rubber is utilized, the requirements that.

The invention has the advantages that: the underwater water impeller main machine 2 is effectively fixed and clamped on the underwater mounting seat by taking the underwater guide rail as a support and a reference and tightly buckling the vertical tenon block on the mounting seat at the bottom of the pool by the inverted double-U clamping device below the gravity center of the main machine under the action of gravity by utilizing the mortise and tenon structure principle, so that the vibration and the noise are eliminated, and the equipment can stably and reliably run for a long time; the clamping device and the vertical support tenon block can be automatically clamped and naturally loosened, and the functions of underwater in-place clamping and pull-up separation of the equipment are realized.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the above embodiments do not limit the present invention in any way, and all technical solutions obtained by using equivalent alternatives or equivalent variations fall within the scope of the present invention.

Claims

1. The inverted double-U clamping type submersible water impeller comprises an underwater guide rail mounting seat (1), an impeller host (2) and a lifting device (3), and is characterized in that the underwater guide rail bottom mounting seat is fixed on pool bottom concrete, the lifting device (3) is fixed on pool surface concrete, a supporting tenon seat (24) is fixed above the underwater guide rail bottom mounting seat, two inverted U-shaped supporting tenon blocks (7) are symmetrically fixed above the supporting tenon seat (24), an inverted double-U clamping device (4) is arranged above the two inverted U-shaped supporting tenon blocks (7), the inverted double-U clamping device (4) comprises two symmetrically arranged inverted double-U clamping frames and a connecting plate for connecting the two inverted double-U-clamping frames, and the inverted double-U-clamping frame (6) is arranged into an inverted U-shaped concave structure, two U of back-off formula press from both sides solid frame (6) and set up along the vertical symmetry of impeller central line, be provided with two U type rubber pads of back-off formula between the U formula support tenon piece (7) are invertd to two U of back-off formula press from both sides solid frame and appearance, and invert U formula support tenon piece (7) with the back-off formula through the bolt and be connected fixedly, two fixed bedplate (17) are fixed through welded fastening at two U of back-off formula clamping device (4) top, be provided with the recess in the middle of fixed bedplate (17), weld in impeller host computer (2) bottom on the recess of fixed bedplate (17), impeller host computer (2) are kept away from appearance and are invertd U formula support tenon piece (7) one side symmetry and are provided with fin (9), fin (9) are kept away from appearance and are invertd U formula support tenon piece (7) one side and are provided with pulley gear (10) through the screw thread, impeller host computer (2), Empennage (9) and pulley gear (10) form empennage (9) chamber, empennage (9) intracavity is provided with square guide rail (11), on square guide rail (11) one end was fixed in pond bottom concrete, the other end was fixed in on the pool face concrete, impeller host computer (2) top was provided with rings, be provided with the haulage rope on the rings, the haulage rope other end sets up on hoisting device (3).

2. The inverted double-U-clamping submersible water impeller according to claim 1, wherein the underwater guide rail mounting seat (1) comprises two supporting legs (8) symmetrically arranged left and right, the two supporting legs (8) are arranged in a delta-shaped structure, a cross beam (16) is arranged between the tops of the two supporting legs (8), a fixed block is arranged below the cross beam (16), two ends of the fixed block are respectively fixed on the two supporting legs (8), and a supporting plate is arranged between the lower parts of the two supporting legs (8).

3. The back-off type double-U clamping type submersible water impeller according to claim 2, wherein one end of the cross beam (16) away from the supporting leg (8) and one end of the supporting plate away from the supporting leg (8) are both arranged on the square guide rail (11), and reinforcing ribs are arranged on two sides of one end of the supporting plate close to the square guide rail (11).

4. The back-button double U-clip submersible thruster of claim 1, characterized in that the longitudinal interface of the tail wing (9) cavity is located on the same central interface as the longitudinal section of the thruster body (2).

5. The reverse-buckled double-U-clamping type submersible water impeller according to claim 1, wherein the outer diameter of the inverted-U-shaped supporting tenon block (7) is matched with the inner diameter of the reverse-buckled double-U-shaped rubber pad, and the outer diameter of the reverse-buckled double-U-shaped rubber pad is matched with the inner diameter of the reverse-buckled double-U-clamping frame (6).

6. The back-off type double-U clamping type submersible water impeller according to claim 1, wherein the pulley device (10) comprises a pulley shaft (12), one end of the pulley shaft (12) is provided with a pulley shaft stop flange (15), the other end of the pulley shaft is provided with threads, the outer side of the middle part of the pulley shaft (12) is provided with a pulley (13), and the outer side of the pulley (13) is provided with a pulley rubber layer (14).