A pipe mounting structure for testing a double suction pump

Abstract

A kind of pipeline mounting structure for testing double-suction pump, including double-suction pump, the inlet side of double-suction pump is connected with inlet variable-diameter rubber hose, the end of inlet variable-diameter rubber hose is connected with inlet pipeline in proper order, the side of inlet pipeline is provided with hanger, lifting appliance is installed on hanger, lifting appliance is movable on hanger, lifting appliance is connected with inlet pipeline by lifting chain, the outlet side of double-suction pump is connected with outlet variable-diameter rubber hose, the end of outlet variable-diameter rubber hose is connected with outlet pipeline, support is arranged below outlet pipeline, and support can adjust the height of outlet pipeline up and down.Compared with prior art, a kind of pipeline mounting structure for testing double-suction pump of the utility model can be used for the test of different specifications double-suction pump, can quickly adjust pipeline according to the installation size of different water pump, it is easy to operate, and test installation efficiency is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to water pump technical field, specifically point to a kind of pipeline installation structure for testing double-suction pump. BACKGROUND

[0002] Double-suction pump is widely used in power plant, municipal, construction, fire fighting, industry and mine and other fields due to its large flow, high efficiency, easy maintenance and other characteristics. After years of development, the specifications of double-suction pumps of various water pump factories can reach hundreds, and the parameters are all cut according to the order requirements Impeller production, so the water pump factory needs to test after completing the water pump production, and can be shipped after testing.

[0003] In the past, when the water pump factory tests the water pump, the pipeline is arranged according to the size of the water pump of different specifications. Each time a water pump of a different specification is replaced, the installation needs to be adjusted greatly, and the work efficiency of the test installation is relatively low. Therefore, it is necessary to invent a pipeline installation structure that can improve the test installation efficiency of double-suction pump. UTILITY MODEL CONTENTS

[0004] The technical problem to be solved by the utility model is to provide a pipeline installation structure for testing double-suction pump in view of the above-mentioned deficiencies of the prior art.

[0005] To solve the above technical problems, the utility model adopts the following technical scheme: A pipeline installation structure for testing double-suction pump, comprising a double-suction pump, an inlet variable-diameter rubber joint connected to the inlet side of the double-suction pump, an inlet pipeline connected to the end of the inlet variable-diameter rubber joint in sequence, a hanger provided on the side of the inlet pipeline, a lifting device installed on the hanger, the lifting device being movable forward and backward on the hanger, the lifting device being connected to the inlet pipeline through a lifting chain, an outlet variable-diameter rubber joint connected to the outlet side of the double-suction pump, an outlet pipeline connected to the end of the outlet variable-diameter rubber joint, and a support provided below the outlet pipeline, the height of the outlet pipeline being adjustable upward and downward by the support.

[0006] Further, the inlet pipeline comprises an inlet pressure-taking pipe, an inlet valve, an inlet straight pipe, an inlet elbow pipe and an inlet pipe, which are connected in sequence, the end of the inlet pressure-taking pipe being connected to the inlet variable-diameter rubber joint, and the lifting chain on the lifting device being connected to the inlet pressure-taking pipe and the inlet straight pipe.

[0007] Further, the lifting device is an electric hoist.

[0008] Further, the outlet pipeline comprises an outlet pressure tapping pipe, a metal hose, an electromagnetic flowmeter, a water outlet straight pipe, an outlet valve and a water outlet elbow pipe, which are sequentially connected, the end of the outlet pressure tapping pipe is connected with the outlet reducing rubber soft connection, the outlet pressure tapping pipe and the metal hose are provided with first supporting pieces at the bottom, and the water outlet straight pipe is provided with a second supporting piece at the bottom.

[0009] Further, the first supporting piece is a manual hydraulic jack, and the second supporting piece is a pipe bracket.

[0010] Compared with the prior art, the pipeline mounting structure for testing the double-suction pump can be used for testing double-suction pumps of different specifications, the pipeline can be quickly adjusted according to the mounting size of different water pumps, the operation is convenient, and the testing and mounting efficiency is high. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 is a structural schematic diagram of the utility model; Among them, 1, double-suction pump, 2, import reducing rubber soft connection, 3, hanger, 4, lifting appliance, 5, chain, 6, import pressure tapping pipe, 7, import valve, 8, water inlet straight pipe, 9, water inlet elbow pipe, 10, water inlet pipe, 11, water pool, 12, outlet reducing rubber soft connection, 13, outlet pressure tapping pipe, 14, metal hose, 15, electromagnetic flowmeter, 16, water outlet straight pipe, 17, outlet valve, 18, water outlet elbow pipe, 19, water pool, 20, first supporting piece, 21, second supporting piece. DETAILED DESCRIPTION

[0012] The technical scheme in the utility model embodiment will be clearly and completely described below.

[0013] As Figure 1 Indicated, a kind of pipeline mounting structure for testing double-suction pump, including double-suction pump 1, the import side of double-suction pump 1 is connected with import reducing rubber soft connection 2, the end of import reducing rubber soft connection 2 is sequentially connected with import pipeline, the side of the import pipeline is provided with hanger 3, hanger 3 is installed with lifting appliance 4, lifting appliance 4 can move back and forth on hanger 3, lifting appliance 4 is connected with import pipeline by chain 5.

[0014] In the embodiment, the import pipeline includes import pressure tapping pipe 6, import valve 7, water inlet straight pipe 8, water inlet elbow pipe 9 and water inlet pipe 10, which are sequentially connected, the end of the import pressure tapping pipe 6 is connected with the import reducing rubber soft connection 2, and the water inlet pipe 102 is vertically inserted into the water pool 11.

[0015] The lifting chain 5 on the lifting device 4 is connected to the inlet pressure tapping pipe 6 and the water inlet straight pipe 8. In this embodiment, the lifting device 4 is lifted by an electric hoist, which moves back and forth on the channel steel above the lifting frame 3 via its own rollers.

[0016] The outlet side of the double suction pump 1 is connected to an outlet reducing rubber flexible joint 12, and the end of the outlet reducing rubber flexible joint 12 is connected to an outlet pipe. A support is provided below the outlet pipe, and the height of the outlet pipe can be adjusted up and down by the support.

[0017] In this embodiment, the outlet pipe includes an outlet pressure tap 13, a metal hose 14, an electromagnetic flow meter 15, an outlet straight pipe 16, an outlet valve 17, and an outlet bend 18. The outlet pressure tap 13, the metal hose 14, the electromagnetic flow meter 15, the outlet straight pipe 16, the outlet valve 17, and the outlet bend 18 are connected in sequence. The end of the outlet pressure tap 13 is connected to the outlet reducing rubber hose 12. The outlet bend 18 is arranged vertically downwards above the liquid surface of the outlet pool 19.

[0018] The outlet pressure tapping pipe 13 and the metal hose 14 are provided with a first support member 20 at the bottom, and the outlet straight pipe 16 is provided with a second support member 21 at the front and rear of the bottom. The first support member 20 is a movable support member that can adjust the height of the outlet pressure tapping pipe 13 and the metal hose 14, and the second support member 21 is a fixed support member that supports the outlet straight pipe 16. In this embodiment, the first support member 20 is a manual hydraulic jack, and the second support member 21 is a pipe bracket.

[0019] When testing different double-suction pumps, remove the inlet and outlet flange bolts of the tested double-suction pump, then move the pump away. Next, hoist a different specification of double-suction pump onto the test platform. Adjust the electric hoist's vertical and horizontal positions according to the pump inlet length and centerline elevation. Utilize the dimensional compensation function of the inlet reducer rubber joint 2 to match the entire inlet pipe with the pump inlet. Then, using the metal hose 14 and outlet reducer rubber joint 12 on the outlet pipe, adjust the vertical and horizontal positions of the pipe before the electromagnetic flowmeter 15 to match the pump outlet. Adjust the manual hydraulic jacks below the outlet pressure tap 13 and metal hose 14 to support this pipe section. The electromagnetic flowmeter 15 and the pipes behind it are supported by two pipe supports and require no adjustment. This completes the testing and installation of another specification of double-suction pump.

[0020] This utility model is not limited to the embodiments described. Those skilled in the art can still make some modifications or changes without departing from the spirit and scope of this utility model. Therefore, the scope of protection of this utility model shall be determined by the scope defined in the claims.

Claims

1. A pipeline installation structure for testing a double-suction pump, characterized in that: The pump includes a double-suction pump. The inlet side of the double-suction pump is connected to an inlet reducing rubber joint. An inlet pipe is sequentially connected to the end of the inlet reducing rubber joint. A hanger is installed on the side of the inlet pipe, and a lifting device is mounted on the hanger. The lifting device can move back and forth on the hanger and is connected to the inlet pipe via a lifting chain. The outlet side of the double-suction pump is connected to an outlet reducing rubber joint. An outlet pipe is connected to the end of the outlet reducing rubber joint. A support is installed below the outlet pipe, and the height of the outlet pipe can be adjusted vertically.

2. The pipeline installation structure for testing a double-suction pump according to claim 1, characterized in that: The inlet pipeline includes an inlet pressure tapping pipe, an inlet valve, an inlet straight pipe, an inlet bend, and an inlet pipe. The inlet pressure tapping pipe, inlet valve, inlet straight pipe, inlet bend, and inlet pipe are connected in sequence. The end of the inlet pressure tapping pipe is connected to an inlet reducing rubber flexible joint. The lifting chain on the lifting device is connected to the inlet pressure tapping pipe and the inlet straight pipe.

3. A pipeline installation structure for testing a double-suction pump according to claim 1 or 2, characterized in that: The lifting device uses an electric hoist.

4. The pipeline installation structure for testing a double-suction pump according to claim 1, characterized in that: The outlet pipeline includes an outlet pressure tap, a metal hose, an electromagnetic flow meter, an outlet straight pipe, an outlet valve, and an outlet bend. The outlet pressure tap, metal hose, electromagnetic flow meter, outlet straight pipe, outlet valve, and outlet bend are connected in sequence. The end of the outlet pressure tap is connected to an outlet reducing rubber flexible connection. The bottom of the outlet pressure tap and the metal hose are provided with a first support member, and the bottom of the outlet straight pipe is provided with a second support member.

5. A pipeline installation structure for testing a double-suction pump according to claim 4, characterized in that: The first support component is a manual hydraulic jack, and the second support component is a pipe bracket.

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