Damping structure for a vertical pump

Abstract

The utility model discloses a kind of damping structure of vertical pump, including the lug of being arranged on vertical pump motor, the suspender connected with lug, the bottom of vertical pump is fixedly installed in the inner bottom of shell by bolt, the bottom of shell is equipped with connecting lug, connecting lug is fixedly installed on rack by threaded connection component, the top of suspender is upward and passes out shell, and there is fastening nut on suspender, and fastening nut is pressed on the top surface of shell;The bottom of suspender is equipped with lateral protruding part, and lateral protruding part is horizontally matched in the lug.In the case where the bottom of vertical pump is fixedly installed in the inner bottom of shell, suspender cooperates with fastening nut, vertically pump is pulled up, in this way, vertical pump is stable in shell, to reduce the vibration generated by vertical pump.

Description

TECHNICAL FIELD

[0001] The utility model relates to vertical pump, concretely relates to damping structure. BACKGROUND

[0002] Vertical pump is used for conveying abrasion, coarse material, high concentration slurry, does not need any shaft seal and shaft seal water, and can work normally under the working condition of insufficient suction. The vertical pump is arranged in the shell, the shell has the protection effect to the vertical pump, and can also play the sound insulation role to the vertical pump. However, the vertical pump has vibration when working, and the vibration can make the connecting piece for fixing the vertical pump loose, so that the vertical pump vibration is intensified. SUMMARY

[0003] The utility model solves the technical problem that how to reduce the vibration generated by the vertical pump.

[0004] In order to solve the above technical problem, the utility model provides the following technical scheme: a damping structure of vertical pump, including the lug arranged on the motor of vertical pump, the suspender connected with the lug, the bottom of vertical pump is fixedly installed on the inner bottom of shell through bolt, the bottom of shell is equipped with the connecting lug, the connecting lug is fixedly installed on the rack through the threaded connecting piece, the top of suspender goes out of shell upwards, the suspender is screwed with the locking nut, and the locking nut is pressed on the top surface of shell;The bottom of suspender is equipped with lateral protruding part, and the lateral protruding part is transversely fitted in the lug.

[0005] According to the above technical scheme, in the case that the bottom of vertical pump is fixedly installed on the inner bottom of shell, the suspender cooperates with the locking nut, pulls the vertical pump upwards, so that the vertical pump is stable in the shell, and the vibration generated by the vertical pump is reduced.

[0006] The shell includes the shell body and the shell cover, the shell cover is equipped with the shell cover connecting ring, the shell body is equipped with the shell body connecting ring, the shell cover connecting ring is stacked on the shell body connecting ring, and is connected with bolt;Perforation is formed in the shell cover, and the suspender goes out of the perforation upwards. The cooperation of the suspender and the locking nut can press the shell cover on the shell body.

[0007] The inlet of vertical pump is connected with the first hose, and the sidewall of shell is provided with an inlet accommodation hole, and the first hose passes through the inlet accommodation hole and is connected with external pipeline;The outlet of vertical pump is connected with the second hose, and the sidewall of shell is provided with an outlet accommodation hole, and the second hose passes through the outlet accommodation hole and is connected with external pipeline. When rigid pipe is used to connect the vertical pump with external pipeline, a larger through hole than the outer diameter of rigid pipe needs to be formed in the shell, so that the rigid pipe can pass through the through hole, and thus external dust can easily enter the shell through the gap between the through hole and the rigid pipe, and the sound insulation effect of shell is reduced. By using hose, the hose can be closely fitted with the through hole, and the hose can absorb vibration, so that vibration is not transmitted to external pipeline.

[0008] The first hose is connected with the inlet flange of the vertical pump through a first flange assembly, the first flange assembly comprises a first outer flange and a first inner flange, the first hose is inserted into the first outer flange, the cylindrical part of the first inner flange is inserted into the first hose and tightly supports the first hose between the cylindrical part of the first inner flange and the cylindrical part of the first outer flange, and the first outer flange is connected with the first inner flange and the inlet flange through bolts.

[0009] The end of the first hose is provided with a plurality of axial notches which are distributed in the circumferential direction of the end of the first hose, and the part of the first hose provided with the axial notches protrudes from the first outer flange and is tightly pressed between the connecting part of the first outer flange and the connecting part of the first inner flange, so that the first hose is not easy to be separated from the first flange assembly.

[0010] The second hose is connected with the discharge flange of the vertical pump through a second flange assembly, the second flange assembly comprises a second outer flange and a second inner flange, the second hose is inserted into the second outer flange, the cylindrical part of the second inner flange is inserted into the second hose and tightly supports the second hose between the cylindrical part of the second inner flange and the cylindrical part of the second outer flange, and the second outer flange is connected with the second inner flange and the discharge flange through bolts.

[0011] The first hose is connected with the external pipeline flange through a third flange assembly, the third flange assembly comprises a third outer flange and a third inner flange, the first hose is inserted into the third outer flange, the cylindrical part of the third inner flange is inserted into the first hose and tightly supports the first hose between the cylindrical part of the third inner flange and the cylindrical part of the third outer flange, and the third outer flange is connected with the third inner flange and the external pipeline flange through bolts.

[0012] The design of the suspender and the design of the hose are used for reducing the vibration of the vertical pump and the negative effects caused by the vibration. BRIEF DESCRIPTION OF DRAWINGS

[0013] The utility model makes further explanation in combination with the drawings:

[0014] Figure 1 It is the combined structure schematic view of vertical pump and shell;

[0015] Figure 2 It is the schematic view of suspender 20;

[0016] Figure 3 It is Figure 2 The left view of;

[0017] Figure 4 It is Figure 1 The enlarged view of A in;

[0018] Figure 5 It is Figure 1 The enlarged view of B in.

[0019] Explanation of symbols in the drawings:

[0020] 10 vertical pump; 11 vertical pump motor; 12 lifting lug; 13 inlet; 14 outlet; 15 inlet flange; 16 outlet flange;

[0021] 20 lifting rod; 21 fastening nut; 22 lateral protrusion;

[0022] 30 housing; 31 connecting lug; 32 housing cover; 33 housing cover connecting ring; 34 housing connecting ring;

[0023] 41 first hose; 42 second hose; 43 part of the first hose provided with an axial cut;

[0024] 50 first flange assembly; 51 first outer flange; 52 first inner flange;

[0025] 60 second flange assembly;

[0026] 70 third flange assembly; 71 third outer flange; 72 third inner flange;

[0027] 80 fourth flange assembly. DETAILED DESCRIPTION

[0028] As Figure 1 A damping structure of a vertical pump, comprising a lifting lug 12 arranged on a vertical pump motor 11, a lifting rod 20 connected with the lifting lug, and a bottom of the vertical pump fixedly installed on an inner bottom of an outer shell by means of bolts, wherein a connecting lug 31 is arranged on the bottom of the outer shell, the connecting lug is fixedly installed on a rack by means of a threaded connecting member, a top of the lifting rod penetrates out of the outer shell in an upward direction, a fastening nut 21 is screwed on the lifting rod, and the fastening nut is pressed against a top surface of the outer shell; a lateral protrusion 22 is arranged on a bottom of the lifting rod, and the lateral protrusion is transversely fitted in the lifting lug.

[0029] The outer shell comprises a housing 30 and a housing cover 32, the housing cover is provided with a housing cover connecting ring 33, the housing is provided with a housing connecting ring 34, the housing cover connecting ring is superimposed on the housing connecting ring, and the housing cover connecting ring is connected with the housing connecting ring by means of bolts; a through hole is arranged on the housing cover, and the lifting rod 20 penetrates out of the through hole in an upward direction.

[0030] An inlet 13 of the vertical pump 10 is connected with a first hose 41, an inlet accommodation hole is arranged on a side wall of the outer shell, and the first hose penetrates through the inlet accommodation hole and is connected with an external pipeline; an outlet 14 of the vertical pump is connected with a second hose, an outlet accommodation hole is arranged on the side wall of the outer shell, and the second hose 42 penetrates through the outlet accommodation hole and is connected with an external pipeline.

[0031] As Figure 4The first hose 41 is connected with the inlet flange 15 of the vertical pump through a first flange assembly 50, the first flange assembly comprises a first outer flange 51 and a first inner flange 52, the first hose is inserted into the first outer flange, the cylindrical part of the first inner flange is inserted into the first hose and the first hose is tightly supported between the cylindrical part of the first inner flange and the cylindrical part of the first outer flange, and the first outer flange is connected with the first inner flange and the inlet flange through bolts.

[0032] The end of the first hose 41 is provided with a plurality of axial notches which are distributed circumferentially along the end of the first hose, and the part 43 of the first hose provided with the axial notches protrudes from the first outer flange 51 and is tightly supported between the connecting part of the first outer flange 51 and the connecting part of the first inner flange 52.

[0033] As shown in Figure 1 The second hose 42 is connected with the outlet flange 16 of the vertical pump through a second flange assembly 60, the second flange assembly comprises a second outer flange and a second inner flange, the second hose is inserted into the second outer flange, the cylindrical part of the second inner flange is inserted into the second hose and the second hose is tightly supported between the cylindrical part of the second inner flange and the cylindrical part of the second outer flange, and the second outer flange is connected with the second inner flange and the outlet flange through bolts.

[0034] As shown in Figure 5 The first hose 41 is connected with the external pipeline flange through a third flange assembly 70, the third flange assembly comprises a third outer flange 71 and a third inner flange 72, the first hose is inserted into the third outer flange, the cylindrical part of the third inner flange is inserted into the first hose and the first hose is tightly supported between the cylindrical part of the third inner flange and the cylindrical part of the third outer flange, and the third outer flange is connected with the third inner flange and the external pipeline flange through bolts.

[0035] As shown in Figure 1 The second hose 42 is connected with the external pipeline flange through a fourth flange assembly 80, the fourth flange assembly comprises a fourth outer flange and a fourth inner flange, the second hose is inserted into the fourth outer flange, the cylindrical part of the fourth inner flange is inserted into the second hose and the second hose is tightly supported between the cylindrical part of the fourth inner flange and the cylindrical part of the fourth outer flange, and the fourth outer flange is connected with the fourth inner flange and the external pipeline flange through bolts.

[0036] The above merely describes the preferred embodiments of the present application, and for those skilled in the art, the specific embodiments and application scope can be changed according to the idea of the present application, and the content of the specification should not be understood as a limitation of the present application.

Claims

1. A damping structure of a vertical pump, comprising a lifting lug (12) arranged on a motor (11) of the vertical pump, a lifting rod (20) connected with the lifting lug, a bottom of the vertical pump being fixedly installed on an inner bottom of a shell through bolts, a connecting lug (31) being arranged on a bottom of the shell, and the connecting lug being fixedly installed on a rack through a threaded connecting piece, characterized in that: The top of the suspender goes out of the shell, and a fastening nut (21) is screwed on the suspender and presses against the top surface of the shell; the bottom of the suspender is provided with a lateral protrusion (22) which is transversely fitted in the lug.

2. The damping structure of a vertical pump according to claim 1, characterized by: The shell comprises a shell body (30) and a shell cover (32), the shell cover is provided with a shell cover connecting ring (33), the shell body is provided with a shell body connecting ring (34), the shell cover connecting ring is superimposed on the shell body connecting ring and is connected by bolts; a through hole is formed in the shell cover, and the suspender (20) goes out of the through hole upward.

3. The damping structure of a vertical pump according to claim 1, characterized by: The inlet (13) of the vertical pump (10) is connected with a first hose (41), and the side wall of the shell is provided with an inlet accommodation hole through which the first hose is connected with external pipelines; the outlet (14) of the vertical pump is connected with a second hose, and the side wall of the shell is provided with an outlet accommodation hole through which the second hose (42) is connected with external pipelines.

4. The damping structure of a vertical pump according to claim 3, wherein: The first hose (41) is connected with the inlet flange (15) of the vertical pump through a first flange assembly (50), the first flange assembly comprises a first outer flange (51) and a first inner flange (52), the first hose is inserted into the first outer flange, the cylindrical portion of the first inner flange is inserted into the first hose and tightly supports the first hose between the cylindrical portion of the first inner flange and the cylindrical portion of the first outer flange, and the first outer flange is connected with the first inner flange and the inlet flange by bolts.

5. The damping structure of a vertical pump according to claim 4, wherein: The end of the first hose (41) is provided with a plurality of axial notches which are distributed circumferentially along the end of the first hose, and the portion (43) of the first hose provided with the axial notches protrudes from the first outer flange (51) and is tightly pressed between the connecting portion of the first outer flange (51) and the connecting portion of the first inner flange (52).

6. The damping structure of a vertical pump according to claim 3, wherein: The second hose (42) is connected with the outlet flange (16) of the vertical pump through a second flange assembly (60), the second flange assembly comprises a second outer flange and a second inner flange, the second hose is inserted into the second outer flange, the cylindrical portion of the second inner flange is inserted into the second hose and tightly supports the second hose between the cylindrical portion of the second inner flange and the cylindrical portion of the second outer flange, and the second outer flange is connected with the second inner flange and the outlet flange by bolts.

7. The damping structure of a vertical pump according to claim 3, wherein: The first hose (41) is connected with an external pipeline flange through a third flange assembly (70), the third flange assembly comprises a third outer flange (71) and a third inner flange (72), the first hose is inserted into the third outer flange, the cylindrical portion of the third inner flange is inserted into the first hose and tightly supports the first hose between the cylindrical portion of the third inner flange and the cylindrical portion of the third outer flange, and the third outer flange is connected with the third inner flange and the external pipeline flange by bolts.

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