CN212250446U - Suspension structure for well pump - Google Patents
Suspension structure for well pump Download PDFInfo
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- CN212250446U CN212250446U CN202021880735.5U CN202021880735U CN212250446U CN 212250446 U CN212250446 U CN 212250446U CN 202021880735 U CN202021880735 U CN 202021880735U CN 212250446 U CN212250446 U CN 212250446U
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Abstract
The utility model discloses a suspension structure for a well pump, which comprises a pump head cover fixed on the pump head, wherein the top surface of the pump head cover is provided with through lug grooves which are symmetrically arranged; the lifting lug assembly is arranged in the lifting lug groove and can move up and down along the lifting lug groove; and a lifting rope hole is formed in the lifting lug assembly. The utility model discloses, through fixing the pump head lid on the pump head, be equipped with the lug groove on its top surface, lug assembly sets up at the lug inslot, can follow the lug groove and reciprocate, makes lug assembly can be in the pump head lid with its partial length income under non-user state, prevents that it from occuping great space, prevents simultaneously that it from coming into collision with the wall of a well at the well pump come-up or transfer in-process, causes lug assembly to damage, influences its normal use. The utility model discloses, prolonged the life of well pump with suspension structure, ensured the steady operation of well pump.
Description
Technical Field
The utility model relates to a deep well immersible pump technical field, concretely relates to suspension structure for well pump.
Background
The submersible pump is an important device for pumping water from a deep well, when the submersible pump is used, the whole unit is submerged into water to work, underground water is pumped to the ground surface, and the submersible pump is suitable for multiple scenes such as domestic water, mine emergency rescue, industrial cooling, farmland irrigation, seawater lifting, ship load regulation and the like.
When the submersible pump works in a tubular deep well with a limited diameter, the bottom of the submersible pump needs to be away from the bottom of the well for a certain distance so as to prevent silt from being sucked in. In the actual production operation process, the lifting lug structure of the pump head is fixed on the well cover through a lifting rope, and the process of going into the well and going down the well of the pump is completed through the lifting rope. If chinese utility model patent CN201794616U provides a high-lift immersible pump vertical suspension device, including hanging in midair wire rope, upper hose clamp, lower hose clamp, adjusting bolt, high-lift immersible pump, drain pump, flange, water pump outlet flange, welded formula lug and the water pump filter screen of intaking, in the upper end both sides of the high-lift immersible pump body, be provided with the welded formula lug, the welded formula lug is connected with lower hose clamp through adjusting bolt. Adjusting screw is arranged at two ends of the adjusting bolt, the upper end of the adjusting screw is connected to the lower pipe clamp, the lower end of the adjusting screw is connected to the welding type lifting lug, and the adjusting bolt is arranged in the middle of the adjusting screw. The lower end of a suspension steel wire rope is connected to the through hole of the lower pipe clamp, and an upper pipe clamp is arranged on the suspension steel wire rope which is slightly upward from the lower pipe clamp. The upper end of the high-lift submersible pump body is provided with a drain pipe in a connecting way, a tail end pipe of the drain pipe is arranged below the connecting flange, and the lower end of the tail end pipe of the drain pipe is connected with a water outlet of the water pump through a water outlet flange of the water pump. The utility model has the advantages of simple structure and convenient operation and use. However, the above suspension device has the following disadvantages:
(1) the welding type lifting lugs are arranged on two sides of the upper end of the pump body of the high-lift submersible pump, and the pump body is likely to collide with a well wall in the lowering or floating process, so that the welding type lifting lugs are easily broken;
(2) the lug is the welding formula lug, receives casting wall thickness and technology influence, and single structure is more at pump head occupation space, has casting defect scheduling problem easily, and parts such as well pump motor, the pump body, outlet pipe, cable and the medium itself of pumping have great weight, and under the condition that there is casting defect in the welding formula lug, life-span meeting greatly reduced in the time of the lug seriously influences the steady operation of well pump.
In view of this, it is urgently needed to improve the existing suspension structure of the well pump so as to prolong the service life of the suspension structure and ensure the stable operation of the well pump.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that welded formula lug occupation space is big among the current well pump hanging device, easily receives to hit the problem of percussion transmission damage.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts as follows:
a suspension structure for a well pump, comprising:
the pump head cover is fixed on the pump head, the top surface of the pump head cover is provided with through lug grooves, and the lug grooves are symmetrically arranged;
the lifting lug assembly is arranged in the lifting lug groove and can move up and down along the lifting lug groove; and a lifting rope hole is formed in the lifting lug assembly.
In this aspect, the lug assembly includes:
the lifting lug comprises a protruding part and a blocking part, the protruding part is inserted into the lifting lug groove, and the protruding part is provided with the lifting rope hole; the blocking part is arranged at the lower end of the protruding part and is used for preventing the lower end of the protruding part from being completely separated from the lug groove when the protruding part is lifted upwards;
and the lug sleeve is arranged on the extension part and used for preventing the upper end of the extension part from being completely separated from the lug groove when the extension part falls.
In this scheme, the notch length of lug groove is greater than the width of extension portion, the notch width of lug groove is greater than the thickness of extension portion, the width of blocking part is greater than the notch length of lug groove.
In this scheme, the lug cover sets up downthehole at the lifting rope, include:
the first stop block part and the second stop block part are respectively arranged at two sides of the lifting rope hole, and the shape and the size of the second stop block part are matched with those of the lifting rope hole;
the connecting part is used for connecting the first stop part and the second stop part and forming an arc-shaped groove with the first stop part and the second stop part, the shape and the size of the arc-shaped groove are matched with the top surface edge of the rope hanging hole, and the top surface edge of the rope hanging hole is arranged in the arc-shaped groove;
and the through hole is formed in the bottom end of the lug sleeve and used for the lifting rope to pass through.
In the scheme, the lug sleeve is made of elastic wear-resistant materials in an integrated forming mode.
In this scheme, there is the clearance between the interior terminal surface of pump head lid and the top surface of pump head.
In this scheme, the top surface edge of pump head is equipped with the step, with the bottom surface edge looks adaptation of pump head lid.
In this aspect, the pump head cover is secured to the pump head by welding or fasteners.
Compared with the prior art, the suspension structure for the well pump provided by the utility model has the advantages that the top surface of the suspension structure is provided with the lug groove through the pump head cover fixed on the pump head, the lug assembly is arranged in the lug groove and can move up and down along the lug groove, so that part of the length of the lug assembly is contained in the pump head cover in the non-use state, and the lug assembly is prevented from occupying a large space; simultaneously, the lifting lug assembly is arranged on the top surface of the pump head and can move up and down along the lifting lug groove, so that the lifting lug assembly is prevented from colliding with the well wall in the floating or transferring process, the lifting lug assembly is prevented from being damaged, the service life of the suspension structure for the well pump is prolonged, and the stable operation of the well pump is ensured.
Drawings
Fig. 1 is a schematic view of a suspension structure for a well pump according to the present invention;
FIG. 2 is a structural diagram of the suspension structure for the pump of the present invention;
fig. 3 is a schematic view of a lifting lug in the present invention;
fig. 4 is a schematic view of the middle lifting lug sleeve of the present invention.
Wherein, the corresponding relationship between each reference number and the component name in fig. 1 to fig. 4 is as follows:
the pump body 1, the pump head lid 2, 21 lug grooves, 10 pump heads, 11 steps, 21 lug grooves, 3 lugs, 4 lug sleeves, 31 extending parts, 32 blocking parts, 310 sling holes, 41 first block parts, 42 second block parts, 43 connecting parts, 44 arc-shaped grooves and 45 through holes.
Detailed Description
The utility model provides a suspension structure for a well pump, which comprises a pump head cover fixed on a pump head, wherein the top surface of the pump head cover is provided with a lug groove, a lug assembly is arranged in the lug groove and can move up and down along the lug groove, so that part of the length of the lug assembly is contained in the pump head cover in a non-use state, and the lug assembly is prevented from occupying a larger space; simultaneously, the lifting lug assembly is arranged on the top surface of the pump head and can move up and down along the lifting lug groove, so that the lifting lug assembly is prevented from colliding with the well wall in the floating or transferring process, the lifting lug assembly is prevented from being damaged, the service life of the suspension structure for the well pump is prolonged, and the stable operation of the well pump is ensured. The invention is described in detail below with reference to the drawings and the detailed description.
As shown in fig. 1 and 2, the utility model provides a suspension structure for well pump sets up on the top of the pump body 1, including pump head lid 2 and lug assembly, pump head lid 2 is fixed on pump head 10, is equipped with the lug groove 21 that runs through on the top surface of pump head lid 2, and lug groove 21 symmetry sets up, and lug assembly sets up in lug groove 21, can follow lug groove 21 and slide from top to bottom. The top edge of the pump head 10 is provided with a step 11, which is adapted to the bottom edge of the pump head cover 1. The pump head cover 1 is fixed to the pump head 2 by welding or fasteners. There is the clearance between the interior top surface of pump head lid 1 and the top surface of pump head 2, provides the sliding space for the lug subassembly along lug groove 21 slides from top to bottom.
As shown in fig. 3 and 4, the shackle assembly comprises a shackle 3 and a shackle sleeve 4, the shackle 3 is T-shaped and comprises a protruding portion 31 and a blocking portion 32, the protruding portion 31 is inserted into the shackle groove 21, and the top end of the protruding portion is separated from the shackle groove 31. The length of the notch of the lug groove 11 is greater than the width of the extension part 31, and the width of the notch of the lug groove 11 is greater than the thickness of the extension part 31. The extension 31 is provided with a sling hole 310.
The blocking part 32 is arranged in the pump head cover 1, the top end of the blocking part 32 is connected with the bottom end of the extension part 31, and the length of the blocking part 32 is larger than the length of the notch of the lug groove 21, so that the bottom end of the blocking part 32 is prevented from being completely separated from the lug groove 21 in the lifting process of the lug 3.
The lifting lug sleeve 4 is arranged in the lifting rope hole 310 and comprises a first stop part 41, a second stop part 42 and a connecting part 43 used for connecting the first stop part 41 and the second stop part 42, the connecting part 43 and the first stop part 41 and the second stop part 42 enclose an arc-shaped groove 44, the shape and the size of the arc-shaped groove 44 are matched with the top surface edge of the lifting rope hole 310, and the top surface edge of the lifting rope hole 310 is inserted into the arc-shaped groove 44. The size and shape of the second stopper portion 42 are matched with those of the sling hole 310, and the second stopper 42 passes through the sling hole 310 and is respectively arranged at two sides of the sling hole 310 together with the first stopper portion 41. The lower end of the lug sleeve 4 is also provided with a through hole 45, so that a lifting rope can conveniently pass through the through hole.
The utility model discloses a method of use (working process) as follows:
when the well pump is in a non-use state, the bottom end part of the extension part 31 is retracted into the pump head cover 2 under the influence of gravity, and the top end of the extension part 31 is not fully retracted into the pump head cover 2 under the blocking action of the lifting lug sleeve 4. When the pump needs to be driven into the shaft through the lifting rope, the lifting rope penetrates through the through hole 45 and the lifting rope hole 310, the pump body 1 is lifted, and the blocking portion 32 blocks the bottom end of the extending portion 31 from completely separating from the lug groove 21. In a use state, the protruding portion 31 may deflect in the lifting lug groove 21 according to the force-bearing direction of the lifting rope, so as to prevent the lifting lug 3 from bearing an excessive tangential force.
Compared with the prior art, the suspension structure for the well pump provided by the utility model has the advantages that the top surface of the suspension structure for the well pump is provided with the lug groove through the pump head cover fixed on the pump head, the lug assembly is arranged in the lug groove and can move up and down along the lug groove, so that part of the length of the lug assembly is contained in the pump head cover in a non-use state, and the lug assembly is prevented from occupying a larger space; simultaneously, the lifting lug assembly is arranged on the top surface of the pump head and can move up and down along the lifting lug groove, so that the lifting lug assembly is prevented from colliding with the well wall in the floating or transferring process, the lifting lug assembly is prevented from being damaged, the service life of the suspension structure for the well pump is prolonged, and the stable operation of the well pump is ensured.
In this scheme, the lug subassembly includes the lug and sets up the lug cover in the lifting rope is downthehole, and the bottom thickness of lug cover is greater than the notch width in lug groove, can prevent that the lug breaks away from in the lug groove in the top completion of whereabouts in-process extension.
In this scheme, the lug adopts punching press technology integrated into one piece, simple process, and the processing cost is low, has stronger practicality.
In this scheme, the lifting rope sets up in the lug inslot, through lug cover and lug load contact, the lug adopts elasticity wear-resisting material integrated into one piece to make, can effectively reduce the friction of lifting rope and lug, reduces the wearing and tearing condition of lifting rope and package plastics, prolongs the life of lifting rope.
In this scheme, the notch length in lug groove slightly is greater than the width of extension, and the notch width in lug groove slightly is greater than the thickness of extension, and certain beat can take place according to the atress direction of lifting rope in the extension, avoids the lug to bear too big tangential force, prevents that its lug from bearing too big tangential force and taking place the damage.
The present invention is not limited to the above-mentioned best mode, and any person should learn the structural change made under the teaching of the present invention, all with the present invention has the same or similar technical solution, all fall into the protection scope of the present invention.
Claims (8)
1. A suspension structure for a well pump, comprising:
the pump head cover is fixed on the pump head, the top surface of the pump head cover is provided with through lug grooves, and the lug grooves are symmetrically arranged;
the lifting lug assembly is arranged in the lifting lug groove and can move up and down along the lifting lug groove; and a lifting rope hole is formed in the lifting lug assembly.
2. The suspension structure for a well pump according to claim 1, wherein the shackle assembly comprises:
the lifting lug comprises a protruding part and a blocking part, the protruding part is inserted into the lifting lug groove, and the protruding part is provided with the lifting rope hole; the blocking part is arranged at the lower end of the protruding part and is used for preventing the lower end of the protruding part from being completely separated from the lug groove when the protruding part is lifted upwards;
and the lug sleeve is arranged on the extension part and used for preventing the upper end of the extension part from being completely separated from the lug groove when the extension part falls.
3. The suspension structure for a well pump according to claim 2, wherein a notch length of the lug groove is greater than a width of the protrusion, the notch width of the lug groove is greater than a thickness of the protrusion, and the width of the blocking portion is greater than the notch length of the lug groove.
4. The suspension structure for a well pump according to claim 2, wherein the shackle sleeve is disposed within the boom bore, comprising:
the first stop block part and the second stop block part are respectively arranged at two sides of the lifting rope hole, and the shape and the size of the second stop block part are matched with those of the lifting rope hole;
the connecting part is used for connecting the first stop part and the second stop part and forming an arc-shaped groove with the first stop part and the second stop part, the shape and the size of the arc-shaped groove are matched with the top surface edge of the rope hanging hole, and the top surface edge of the rope hanging hole is arranged in the arc-shaped groove;
and the through hole is formed in the bottom end of the lug sleeve and used for the lifting rope to pass through.
5. A suspension for a well pump according to claim 2, wherein the lug sleeve is integrally formed of an elastic wear-resistant material.
6. A well pump suspension structure according to claim 1, wherein a gap exists between an inner top surface of the pump head cover and a top surface of the pump head.
7. A well pump suspension structure according to claim 1, wherein the top edge of the pump head is provided with a step adapted to the bottom edge of the pump head cover.
8. A suspension for a well pump according to claim 1, wherein the pump head cover is fixed to the pump head by welding or fastening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021880735.5U CN212250446U (en) | 2020-09-01 | 2020-09-01 | Suspension structure for well pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021880735.5U CN212250446U (en) | 2020-09-01 | 2020-09-01 | Suspension structure for well pump |
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| Publication Number | Publication Date |
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| CN212250446U true CN212250446U (en) | 2020-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021880735.5U Active CN212250446U (en) | 2020-09-01 | 2020-09-01 | Suspension structure for well pump |
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| CN (1) | CN212250446U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111878383A (en) * | 2020-09-01 | 2020-11-03 | 宁波锴晟电气有限公司 | Suspension structure for well pump |
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2020
- 2020-09-01 CN CN202021880735.5U patent/CN212250446U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111878383A (en) * | 2020-09-01 | 2020-11-03 | 宁波锴晟电气有限公司 | Suspension structure for well pump |
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