Suspension structure for well pump
阅读说明：本技术 一种井泵用悬吊结构 (Suspension structure for well pump ) 是由 叶涛松 陈恩才 陈伟达 张博峰 刘进 陆增鑫 于 2020-09-01 设计创作，主要内容包括：本发明公开了一种井泵用悬吊结构,包括泵头盖,固定在泵头上,其顶面上设有贯穿的吊耳槽,所述吊耳槽对称设置；吊耳组件,设置在所述吊耳槽内,可沿所述吊耳槽上下移动；所述吊耳组件上设有吊绳孔。本发明,通过固定在泵头上的泵头盖,其顶面上设有吊耳槽,吊耳组件设置在吊耳槽内,可沿吊耳槽上下移动,使吊耳组件可在非使用状态下将其部分长度收入泵头盖内,防止其占用较大空间,同时防止其在井泵上浮或下放过程中与井壁发生碰撞,致使吊耳组件损坏,影响其正常使用。本发明,延长了井泵用悬吊结构的使用寿命,确保了井泵的稳定运行。(The invention discloses a suspension structure for a well pump, which comprises a pump head cover, wherein the pump head cover is fixed on a 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. According to the invention, the pump head cover fixed on the pump head is provided with the lug groove on the top surface, the lifting lug assembly is arranged in the lug groove and can move up and down along the lug groove, so that the lifting lug assembly can be partially stored in the pump head cover in a non-use state, a large space is prevented from being occupied, and meanwhile, the lifting lug assembly is prevented from colliding with a well wall in the process of floating up or lowering down the well pump, so that the lifting lug assembly is damaged and normal use of the well pump is influenced. The invention prolongs the service life of the suspension structure for the well pump and ensures the stable operation of the well pump.)
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.
Technical Field
The invention relates to the technical field of deep well submersible pumps, in particular to a suspension structure for a 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 invention 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.
Disclosure of Invention
The invention aims to solve the technical problems that a welding type lifting lug in the conventional well pump suspension device occupies a large space and is easy to damage by being struck and triggered.
In order to solve the technical problems, the technical scheme adopted by the invention is 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 invention has the advantages that the top surface of the pump head cover fixed on the pump head is provided with the lug groove, and 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 accommodated in the pump head cover in a 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 for a well pump according to the present invention;
FIG. 2 is a structural view of a suspension structure for a well pump according to the present invention;
FIG. 3 is a schematic view of a lifting lug of the present invention;
fig. 4 is a schematic view of a lug cover 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 invention 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 accommodated 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 figures 1 and 2, the suspension structure for the well pump provided by the invention is arranged at the top end of a pump body 1, and comprises a pump head cover 2 and lifting lug assemblies, wherein the pump head cover 2 is fixed on a
As shown in fig. 3 and 4, the shackle assembly comprises a
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
The lifting lug sleeve 4 is arranged in the lifting rope hole 310 and comprises a
The use method (working process) of the invention is 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
Compared with the prior art, the suspension structure for the well pump provided by the invention 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, and 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 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.
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 preferred embodiments, and any structural changes made under the teaching of the present invention shall fall within the scope of the present invention, which is similar or similar to the technical solutions of the present invention.
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