JP4836155B2 - Contact and separation of suction and discharge ports in detachable pump equipment using orthogonal shaft submersible motor pump - Google Patents

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a contact / separation mechanism for a suction port and a discharge port in a detachable pump facility using an orthogonal axis submersible motor pump, such as a manhole or a gate pump facility.
[0002]
[Prior art and its problems]
In the conventional detachable pump equipment, as shown in FIG. 5 and FIG. 6, an all-around water channel type coaxial axial flow pump 160 </ b> A or a centrifugal pump 160 </ b> B having a suction port 120 on a lower surface and a discharge port 130 on a side surface is used. When the pump is lowered along the raising / lowering guide 500 erected in the 100, the locking claw 150 attached to the upper part of the discharge port 130 is locked to the upper edge of the flange of the delivery port 300, abuts the flange surface of the outlet 130 to the flange surface of the delivery port 300, the pump becomes poor aspects of load balancing coupled rearward cantilever-like detachable base command 200.
[0003]
In this type of detachable pump facility, it is necessary to increase the clearance at the fitting portion between the lifting guide 500 and the engaging element 700 in order to smoothly perform the lifting and lowering operation of the pump. The existence of this clearance and the fact that the pump is held in a cantilever manner with the locking portion of the locking claw 150 as a fulcrum, the all-around water channel type coaxial axial flow pump as shown in FIG. When 160A is used, when the pump is pulled up, the locking portion of the locking claw 150 serves as a fulcrum and rotates so that the lower portion of the pump is lifted in the direction of the arrow. Therefore, a space commensurate with the amount of rotation is required in the rear part of the pump, and it is not suitable for a place where the space between the front and rear walls of the storage tank is restricted, such as a manhole or a gate pump facility. Further, in the case of the centrifugal pump 160B as shown in FIG. 6, since the distance from the locking portion of the locking claw 150 to the pump center line is long and the center of gravity of the pump exists above the center line, the locking portion There is a drawback that the lever acts as a fulcrum and acts in the direction of the arrow, creating a gap g in the upper part of the flange abutting surface and causing pressure leakage.
[0004]
The existence of the above-described clearance in the fitting portion between the lifting guide 500 and the engagement element 700 of the conventional detachable pump equipment also causes a lateral vibration of the pump part, and the center of the pump discharge port 130 is fed. By slightly deviating from the center of the outlet 300, the discharge pressure at the time of driving the pump acts on the flange surface of the delivery outlet 300, and the gap g of the abutting surface is increased, resulting in further promoting pressure leakage.
[0005]
OBJECT OF THE INVENTION
The object of the present invention is that when the pump is mounted, the flange surface is in close pressure contact, and the pump portion is prevented from sideways shaking, causing no pressure leakage, the load balance is good, and the lifting operation is performed smoothly, and the operability thereof Place where the pump can be lifted while maintaining a vertical posture and no extra space is required at the rear of the pump, and the space between the front and rear walls of the storage tank cannot be increased, such as manholes and gate pump equipment. It is an object of the present invention to provide an inlet / outlet contact / separation mechanism in a detachable pump facility using an orthogonal axis submersible motor pump that functions effectively.
[0006]
[Structure of the invention]
In the attachment / separation mechanism of the suction port and the discharge port in the detachable pump facility using the orthogonal axis submersible motor pump according to the first aspect of the present invention, the side-open type suction port and the discharge port are opened backward. The orthogonal shaft type submersible motor pump has a suction surface and / or a discharge port formed with a downwardly inclined taper surface, and has an inlet and a discharge port opened in the storage tank. Both or any one of the flange surfaces is formed as an upwardly inclined taper surface adapted to the downwardly inclined taper surface, and longitudinally extends from the upper edge of both the inlet port and / or the outlet port. has a set has been engaged挿溝, the suction and discharge ports both or either of the flange surface of the Totsuko to engage input is provided from the upper portion of the engaging挿溝, the orthogonal axes underwater Make sure that the pump So as to be positioned on the opposite side with the center line of the front side, by lowering the orthogonal axis type submersible motor pump along Tate設been elevation guide into reservoir tank, the suction port and discharge port of the pump The flange surface is pressed against the flange surface of the inlet and outlet by wedge action, and the convexity of the flange surface engages with the engaging groove of the flange surface facing it, and the orthogonal shaft type pump keeps the vertical posture when lifting Ascending along the lift guide, the flange surface of the suction port and the discharge port of the pump is separated from the flange surface of the inflow port and the discharge port, and the convex on the flange surface is separated from the engaging groove. did. Moreover, in the attachment / separation mechanism of the suction port and the discharge port in the detachable pump facility using the orthogonal shaft type submersible motor pump according to claim 2, the side opening type suction port and the discharge port are orthogonally opened in a backward direction. The shaft type submersible motor pump has both the suction port and the discharge port or either one of the flange surfaces formed in a downwardly inclined taper surface, and both the inlet and the outlet opened in the storage tank or Either one of the flange surfaces is formed as an upwardly inclined taper surface adapted to the downwardly inclined taper surface, and is provided vertically from the lower edge of either the suction port or the discharge port or one of the flange surfaces. It has been engaged挿溝, the inlet and both or either one of the flange surfaces of the outlet, Totsuko to engage input is provided from the lower portion of the engaging挿溝, the orthogonal axis type submersible motor pump The front of the pump On the center line and so that its position on the opposite side, by lowering the orthogonal axis type submersible motor pump along Tate設been elevation guide to the storage tank, the flange surface of the suction port and discharge port of the pump holding There was engaged to engagement挿溝flange surfaces Totsuko flange surfaces therewith opposed with pressure contact with the wedge action to the flange surface of the inlet and outlet, a vertical posture perpendicular to the axial-type submersible motor pumps during pulling Ascending along the lift guide, the flange surface of the suction port and the discharge port of the pump is separated from the flange surface of the inflow port and the discharge port, and the convex on the flange surface is separated from the engaging groove. did.
[0007]
【Example】
The embodiment will be described below with reference to FIGS.
[0008]
1 is a storage tank used for storing and discharging inflow water, 2 is an inflow port introduced into the storage tank 1, 3 is a discharge port led out from the storage tank 1, and 4 is attached to the discharge port 3 The check valve 5 is an elevating guide vertically provided in the storage tank 1 so as to be positioned on the center line on the front side of the pump 6 and on the opposite side so as to sandwich the orthogonal shaft type submersible motor pump 6 . The lifting guide 5 in a perpendicular axis type submersible motor pump 6 for vertically by engaging the engaging member 7, the guide ring 10 which accommodates the propeller 9 under the hard-type submersible motor 8 is coupled to the horizontal設状The rotation of the motor main shaft is transmitted to the propeller shaft through a gear mechanism, and both end opening surfaces of the guide ring 10 are formed in the side-opening type suction port 12 and discharge port 13, respectively. Then, both or any one of the suction port 12 and the discharge port 13 is formed in a downwardly inclined tapered surface 16a, and / or both the inlet 2 and the outlet 3 opened in the storage tank 1. Are formed on an upwardly inclined taper surface 16b adapted to the downwardly inclined taper surface 16a. In the embodiment of FIGS. 1 and 2, the flange surface of the suction port 12 is formed as a downwardly inclined tapered surface 16a, and the flange surface of the inlet 2 is inclined upward to accommodate the downwardly inclined tapered surface 16a. The discharge port 13 and the discharge port 3 are formed so as to face each other on a vertical surface.
[0009]
As shown in FIG. 1 as one aspect of a measure for preventing lateral vibration after the pump is mounted, an engaging groove vertically provided in a downward direction from the upper edge of either or both the inlet 2 and the outlet 3. has 11a, the both or either one of the flange surface of the suction port 12 and discharge port 13, Ru Totsuko 11b for engaging entering the upper portion of the front Symbol engagement挿溝11a is provided et been. Further, as another aspect of the lateral vibration prevention measure, as shown in FIG. 1 , an engaging groove 11 c that is vertically extended from the lower edge of both the suction port 12 and the discharge port 13 or one of the flange surfaces is provided. It has, on both or either one of the flange surface of the inlet 2 and the outlet 3, Totsuko 11d for engaging input is provided from the lower portion of the front Symbol engagement挿溝11c. The engaging grooves 11a and 11c preferably have a shape in which the groove width is wide at the start end of engagement and the width is narrowed to substantially the same width as the protrusions 11b and 11d at the end. The protrusions 11b and 11d may be key-like, pin-like or screwed screws. The orthogonal shaft submersible motor pump used may be an orthogonal shaft submersible motor diagonal flow pump in addition to the orthogonal shaft submersible motor axial flow pump shown in the drawings of the embodiments.
[0010]
[Action]
At the lowering limit of the orthogonal axis submersible motor pump 6 along the lifting guide 5, the flange surfaces of the suction port 12 and the discharge port 13 of the pump are moved to the flange surfaces of the inlet 2 and the outlet 3 in the storage tank 1. The pump's own weight and the wedged action by the tapered surfaces 16a and 16b are in close contact with each other and act to increase the sealing performance of the abutting surface. At the same time, the protrusions 11b and 11d on the flange surface engage with the engaging grooves 11a and 11c on the flange surface facing the flanges 11b, thereby preventing the lateral vibration after the pump is mounted.
[0011]
Further, the load balance is kept good by the two-point support, and when it is pulled up, the orthogonal shaft type submersible motor pump 6 rises in the storage tank 1 along the lifting guide 5 while maintaining the vertical posture, and the suction port 12 Further, the flange surface of the discharge port 13 is separated from the flange surfaces of the inflow port 2 and the discharge port 3. At the same time, the protrusions 11b and 11d on the flange surface are detached from the engaging grooves 11a and 11c.
[0012]
【The invention's effect】
According to the present invention, when the pump is mounted, the pump's own weight is applied to the tapered surface, so that the wedge surface is brought into close contact with the abutting surface, and the side vibration preventing mechanism is provided with no pressure leakage. The load balance is maintained well by the two-point support instead of the cantilever connection as in the above, and when lifting, the pump rises while maintaining the vertical posture, so no extra space is required in the rear part of the pump, Increases the clearance at the fitting part between the lifting guide 5 and the engagement element 7 to facilitate the pump lifting and lowering operation, and functions effectively in places where the space between the front and rear walls of the storage tank cannot be increased, such as manholes and gate pump equipment. There is an advantage of doing.
[Brief description of the drawings]
FIG. 1 is a longitudinal sectional side view of a main part of a detachable pump facility having a contact / separation mechanism according to the present invention, and shows a state when a pump is pulled up.
FIG. 2 is a longitudinal sectional side view of an essential part of a detachable pump facility having a contact / separation mechanism of the present invention, showing a state when the pump is mounted.
FIG. 3 shows a state in which the protrusions on the flange surface of the suction port or the discharge port are engaged with the engaging groove formed vertically from the upper edge of the flange surface of the inlet or discharge port in the contact / separation mechanism of the present invention. Explanatory drawing.
FIG. 4 shows a state in which a protrusion on the flange surface of the inflow port or the discharge port is engaged with the engaging groove vertically provided from the lower edge of the flange surface of the suction port or the discharge port in the contact / separation mechanism of the present invention. Explanatory drawing.
FIG. 5 is a side view of a main part of a pump facility provided with a conventional contact / separation mechanism using a locking claw, and shows an example in which an all-around water channel type coaxial axial flow pump is used.
FIG. 6 is a side view of a main part of a pump facility provided with a conventional engagement / separation mechanism using a locking claw, and shows an example in which a spiral pump is used.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Storage tank 2 Inlet 3 Outlet 5 Elevating guide 6 Right-angle shaft type submersible motor pump 11a Engagement groove 11b Convex 11c Engagement groove 11d Convex 12 Suction port 13 Discharge port 16a Downwardly inclined taper surface 16b Upwardly inclined shape Taper surface

Claims (2)

An orthogonal shaft submersible motor pump with a side-opening suction port and discharge port opened in the back direction has a flange surface of either or both of the suction port and the discharge port formed on a downwardly inclined taper surface. Te Yes, both or either one of the flange surface of the open mouth has been inlet and outlet to the reservoir is formed in the tapered surface of the傾状order to adapt to the tapered surface of the lower傾状, the inlet and an outlet having both or Tate設been engaged挿溝either from the upper edge of one flange surface of the one or both of the flange surface of the suction port and the discharge port, the upper portion of the engaging挿溝from Totsuko is provided to engage input, to sandwich the orthogonal axis type submersible motor pumps, so as to be positioned on the opposite side with the center line of the pump front, the Tate設been elevation guide to the storage tank It lowers the orthogonal axis type submersible motor pump along As a result, the flange surfaces of the suction port and the discharge port of the pump are pressed into contact with the flange surfaces of the inflow port and the discharge port by a wedge action, and the protrusions on the flange surface are engaged with the engaging grooves on the flange surface facing the flange surface. When pulling up, the orthogonal shaft submersible motor pump rises along the lifting guide while maintaining the vertical posture, and the suction port and discharge port flange surfaces of the pump are separated from the inlet and discharge port flange surfaces. A suction / discharge opening / closing mechanism in a detachable pump facility using an orthogonal shaft submersible motor pump, characterized in that the convexes on the flange surface are separated from the engaging groove. An orthogonal shaft submersible motor pump with a side-opening suction port and discharge port opened in the back direction has a flange surface of either or both of the suction port and the discharge port formed on a downwardly inclined taper surface. Te Yes, both or either one of the flange surface of the open mouth has been inlet and outlet to the reservoir is formed in the tapered surface of the傾状order to adapt to the tapered surface of the lower傾状, the suction port And an engagement groove vertically provided from the lower edge of either or both of the discharge ports, and the flange surface of either or both the inflow port and the discharge port has the engagement groove . Elevator vertically provided in the storage tank so as to be located on the center line on the front side of the pump and on the opposite side thereof so as to sandwich the orthogonal shaft type submersible motor pump, with a convex portion engaged from below. under an orthogonal axis type submersible motor pump along the guide By doing so, the flange surfaces of the suction port and the discharge port of the pump are pressed into contact with the flange surfaces of the inlet and the discharge port by a wedge action, and the convexes of the flange surface are engaged with the engaging grooves of the flange surface facing the flange surface. When the pump is pulled up, the orthogonal shaft submersible motor pump rises along the lifting guide while maintaining a vertical posture, and the suction and discharge flange surfaces of the pump are separated from the inlet and discharge flange surfaces. In addition, a suction / discharge mechanism in a detachable pump facility using an orthogonal shaft submersible motor pump, wherein the convex on the flange surface is configured to be detached from the engaging groove.

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