阅读说明：本技术 大流量柱塞水泵 (Large-flow plunger water pump ) 是由 胡传术 于 2020-12-31 设计创作，主要内容包括：本发明公开了一种大流量柱塞水泵,设有底盖的曲轴主箱体内设两端位于主箱体外的曲轴,该曲轴上设有拐臂,拐臂上设有一端与其活动连接的连杆,连杆的另一端与主箱体上的分箱体内的导向活塞杆的活塞活动连接,导向活塞杆依次穿过分箱体内的两个密封座及分箱体上的吸水室壳体,且导向活塞杆的轴肩与注水柱塞顶相邻,注水柱塞上部设有导向压套；分箱体的泵体上端设有与其匹配的分箱体泵盖,分箱体泵盖侧面设有中间排水口,曲轴主箱体外设有封闭的冷却室,冷却室上设有冷却室进水孔及冷却室出水孔,冷却室进水孔与冷却泵相连,冷却室出水孔与回流软管相连。本发明节能减耗,使用寿命大大提高。减轻难度、缩短时间同时又降低成本。可长时间安全运行。(The invention discloses a large-flow plunger water pump.A crankshaft with two ends positioned outside a main box body is arranged in a crankshaft main box body provided with a bottom cover, a crank arm is arranged on the crankshaft, a connecting rod with one end movably connected with the crank arm is arranged on the crank arm, the other end of the connecting rod is movably connected with a piston of a guide piston rod in a sub-box body on the main box body, the guide piston rod sequentially passes through two sealing seats in the sub-box body and a water suction chamber shell on the sub-box body, a shaft shoulder of the guide piston rod is adjacent to the top of a water injection plunger, and a guide pressure sleeve is arranged at the upper part; the upper end of the pump body of the sub-box body is provided with a sub-box body pump cover matched with the sub-box body pump cover, the side surface of the sub-box body pump cover is provided with a middle water outlet, a closed cooling chamber is arranged outside the main box body of the crankshaft, a cooling chamber water inlet hole and a cooling chamber water outlet hole are formed in the cooling chamber, the cooling chamber water inlet hole is connected with a cooling pump, and the cooling chamber water outlet hole is connected with a backflow hose. The invention saves energy, reduces consumption and greatly prolongs the service life. The difficulty is reduced, the time is shortened, and the cost is reduced. Can be safely operated for a long time.)

1. The large-flow plunger water pump is characterized in that: a crankshaft with two ends positioned outside the crankshaft main box body is arranged in the crankshaft main box body provided with a bottom cover, a crank arm is arranged on the crankshaft, a connecting rod with one end movably connected with the crank arm is arranged on the crank arm, the other end of the connecting rod is movably connected with a piston of a guide piston rod in a sub-box body on the crankshaft main box body, the guide piston rod sequentially penetrates through two sealing seats in the sub-box body and a water suction chamber shell on the sub-box body, a shaft shoulder of the guide piston rod is adjacent to the top of a water injection plunger, and a guide pressure sleeve is arranged at the upper part of; the upper end of the pump body of the sub-box body is provided with a sub-box body pump cover matched with the sub-box body pump cover, the side surface of the sub-box body pump cover is provided with a middle water outlet, a closed cooling chamber is arranged outside the main box body of the crankshaft, a cooling chamber water inlet hole and a cooling chamber water outlet hole are formed in the cooling chamber, the cooling chamber water inlet hole is connected with a cooling pump, and the cooling chamber water outlet hole is connected with a backflow hose.

2. The high flow plunger water pump according to claim 1, characterized in that: the crankshaft is provided with 3-10 crank arms, each crank arm is provided with 3 connecting rods, one end of each connecting rod is movably connected with the corresponding crank arm, the other end of each connecting rod is respectively movably connected with a piston of a guide piston rod in a sub-box body on the main box body of the crankshaft, and symmetrical through holes are formed in the tops of groove-shaped pistons at the joints of the guide piston rods and the connecting rods.

3. The high flow plunger water pump according to claim 1 or 2, characterized in that: the number of the split boxes is 3, the axis of the middle split box body is vertical to the bottom surface of the main box body of the crankshaft, and the included angle between the split box bodies on two sides and the axis of the middle box body is 30-40 degrees.

4. The high flow plunger water pump according to claim 1, characterized in that: the upper portion of the guide piston rod is located in a water injection plunger in the pump body, the diameter reducing portion of the guide piston rod penetrates through a central through hole in the top of the water injection plunger, a shaft shoulder is adjacent to the top of the water injection plunger, the top of the water injection plunger is provided with the central through hole and surrounding water inlet through holes, a water inlet valve block is arranged on the water inlet through hole, a water inlet spring is arranged on the water inlet valve block, an inner hole of the water inlet valve block is in sliding fit with an outer circle of a guide pressing sleeve arranged on the upper portion of the water injection plunger, a noise reduction ring is arranged on the upper portions of the guide pressing sleeve.

5. The high flow plunger water pump according to claim 1, characterized in that: the lower through hole of the sub-box pump cover is internally provided with a side-opening valve seat corresponding to the pump cavity, the valve seat is internally provided with an upper opening groove-shaped valve core corresponding to the valve seat, a water outlet spring is arranged in the valve core, the upper part of the water outlet spring is sleeved at the lower part of a shaft shoulder of a cross-shaped limiting column, the upper part of the shaft shoulder of the cross-shaped limiting column is arranged in the sub-box pump cover, and a digital pulse induction device is arranged on a water outlet pipe connected with a middle water outlet of the sub-box.

6. The high flow plunger water pump according to claim 1, characterized in that: divide the box and do not be equipped with seal assembly with the room junction that absorbs water, seal assembly includes grease proofing seal receptacle, grease proofing sealing washer, waterproof seal receptacle and waterproof sealing washer, is equipped with the spacer sleeve between grease proofing seal receptacle and the waterproof seal receptacle, the spacer sleeve is non-confined ring, its opening part is corresponding with the overflow hole of establishing on the branch box, and install digital pulse induction system on the inlet tube of being connected with the room suction inlet that absorbs water.

7. The high flow plunger water pump according to claim 5, characterized in that: the upper part of the shaft shoulder of the cross-shaped limiting column is arranged in a gland which is closed by a through hole on the box-separating body pump cover, and the gland is movably connected on the box-separating body pump cover through a fastening piece.

8. The high flow plunger water pump according to claim 4, characterized in that: the water inlet spring is a cylindrical spring, and the water inlet valve sheet is coated with a non-metal layer.

9. The high flow plunger water pump according to claim 4, characterized in that: the outer wall of the water injection plunger adjacent to the pump body is attached with a ceramic layer.

10. The high flow plunger water pump according to claim 3, characterized in that: the number of the sub-tank body pump covers is 1-2, 1-2 water outlets are formed in the side face of each sub-tank body pump cover, 1-2 water suction chambers are formed in each sub-tank body, 1-2 water suction ports are formed in each water suction chamber, two water suction ports of the middle sub-tank body are respectively formed in two ends of the middle water suction chamber, the water suction ports of the sub-tank bodies on two sides are respectively formed in the outer sides of the water suction chambers on two sides, and the sub-tank body pump cover water outlets on the sub-tank bodies face to one direction and are connected with the water collecting tank through pipelines.

Technical Field

The invention relates to a pump body, in particular to a high-flow plunger water pump.

Background

At present, there are many plunger pumps with medium and small flow rates, and in order to reduce the floor space and make the usage more flexible, people have designed W-shaped plunger pumps, such as the plunger pump (publication No. CN102606436A) published in the patent publication of the national intellectual property office in 2012, 7 months and 25 days, the main contents of which are: the connecting rods, the pistons and the piston cylinder bodies are at least two groups, each group comprises 3 connecting rods, the 3 connecting rods of each group are sleeved on the same crank throw, the axes of the three piston cylinder bodies of each group are not on the same plane, each group of piston cylinder bodies comprises a first cylinder body, a second cylinder body and a third cylinder body, the included angles between the axes of the first cylinder body and the second cylinder body and the vertical direction are acute angles, the second cylinder body is located between the first cylinder body and the third cylinder body, and the axis of the second cylinder body is kept vertical. And the first cylinder body, the second cylinder body and the third cylinder body are respectively provided with a water suction cavity and a water discharge cavity. It has the following disadvantages: the water of each cylinder body is collected together and discharged through a water discharge port, so that the water discharge resistance of the piston cylinder body far away from the water discharge port is increased, the structure is limited to only 4 groups at most, if the number of the groups is more, the power of the power equipment matched with the structure is greatly abnormally improved, and the use efficiency specified by the state cannot be achieved.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides the high-flow plunger water pump which has the advantages of higher flow, less energy consumption, small processing difficulty and more convenient use and maintenance.

The high-flow plunger water pump is characterized in that a crankshaft with two ends positioned outside a crankshaft main box body is arranged in the crankshaft main box body provided with a bottom cover, a crank arm is arranged on the crankshaft, a connecting rod with one end movably connected with the crank arm is arranged on the crank arm, the other end of the connecting rod is movably connected with a piston of a guide piston rod in a sub-box body on the crankshaft main box body, the guide piston rod sequentially penetrates through two sealing seats in the sub-box body and a water suction chamber shell on the sub-box body, a shaft shoulder of the guide piston rod is adjacent to the top of a water injection plunger, and a guide pressure sleeve is arranged; the upper end of the pump body of the sub-box body is provided with a sub-box body pump cover matched with the sub-box body pump cover, the side surface of the sub-box body pump cover is provided with a middle water outlet, a closed cooling chamber is arranged outside the main box body of the crankshaft, a cooling chamber water inlet hole and a cooling chamber water outlet hole are formed in the cooling chamber, the cooling chamber water inlet hole is connected with a cooling pump, and the cooling chamber water outlet hole is connected with a backflow hose.

Preferably, the crankshaft is provided with 3-10 crank arms, each crank arm is provided with 3 connecting rods, one end of each connecting rod is movably connected with the corresponding crank arm, the other end of each connecting rod is respectively movably connected with a piston of a guide piston rod in a sub-box body on the main box body of the crankshaft, and symmetrical through holes are formed in the tops of groove-shaped pistons at the joints of the guide piston rods and the connecting rods.

Further optimized, 3 split boxes are selected, the axis of the middle split box body is vertical to the bottom surface of the main box body of the crankshaft, and the included angle between the split box bodies on two sides and the axis of the middle box body is 30-40 degrees.

The water injection plunger is characterized in that the upper portion of the guide piston rod is located in a water injection plunger in the pump body, the diameter reducing portion of the guide piston rod penetrates through a central through hole in the top of the water injection plunger, the shaft shoulder is adjacent to the top of the water injection plunger, the top of the water injection plunger is provided with the central through hole and surrounding water inlet through holes, a water inlet valve block is arranged on the water inlet through hole, a water inlet spring is arranged on the water inlet valve block, an inner hole of the water inlet valve block is in sliding fit with an excircle of a guide pressing sleeve arranged on the upper portion of the water injection plunger, a noise reduction ring is arranged on the upper portions of the.

Further optimization, a side opening valve seat corresponding to the pump cavity is arranged in the lower through hole of the sub-box pump cover, an upper opening groove-shaped valve core corresponding to the valve seat is arranged in the valve seat, a water outlet spring is arranged in the valve core, the upper portion of the water outlet spring is sleeved on the lower portion of a shaft shoulder of a cross-shaped limiting column, the upper portion of the shaft shoulder of the cross-shaped limiting column is arranged in the sub-box pump cover, and a digital pulse sensing device is arranged on a water outlet pipe connected with a middle water outlet of the sub-box pump cover.

Further optimize, branch box and the room junction that absorbs water be equipped with seal assembly respectively, seal assembly includes grease proofing seal receptacle, grease proofing sealing washer, waterproof seal receptacle and waterproof sealing washer, is equipped with the spacer sleeve between grease proofing seal receptacle and the waterproof seal receptacle, the spacer sleeve is non-confined ring, its opening part with divide the overflow hole of establishing on the box corresponding, and install digital pulse induction system on the inlet tube of being connected with the room suction inlet that absorbs water.

Further optimizing, the upper part of the shaft shoulder of the cross-shaped limiting column is arranged in a gland which is closed by a through hole on the box-separating body pump cover, and the gland is movably connected on the box-separating body pump cover through a fastening piece.

Further optimizing, the water inlet spring is a cylindrical spring, and the non-metal layer is coated outside the water inlet valve sheet.

Further optimized, the outer wall of the water injection plunger adjacent to the pump body is attached with a ceramic layer.

Further optimized, 1-2 sub-box body pump covers are arranged, 1-2 water outlets are arranged on the side surface of each sub-box body pump cover, similarly, 1-2 water suction chambers on each sub-box body are arranged, 1-2 water suction ports are arranged on each water suction chamber, two water suction ports of the middle sub-box body are respectively arranged at two ends of the middle water suction chamber, the water suction ports of the sub-box bodies on two sides are respectively arranged at the outer sides of the water suction chambers on two sides, and the sub-box body pump cover water outlets on the sub-box bodies face to one direction and are connected with the water collection box through pipelines.

The invention has the advantages that: 1. the invention adopts the W shape of the middle group and the left-right symmetrical group, each sub-box body is respectively provided with 2-4 water inlet and outlet ports, so that the water inlet resistance is obviously reduced, the water outlet resistance is greatly reduced, the flow is increased, and simultaneously the matched motor can be continuously ensured to still operate at a low level, thereby achieving the purposes of saving energy and reducing consumption. Meanwhile, as the drainage resistance is reduced, the service life of the quick-wear part of the drain valve in the pump is greatly prolonged.

2. The water inlet and outlet channel of the plunger pump can reduce water inlet and outlet resistance, is convenient to maintain, and if one channel has a problem, the largest plunger pump with 30 cylinders only needs to disassemble 5 cylinder positions at most, thereby reducing difficulty, shortening time and reducing cost compared with other plunger pumps.

3. The plunger pump of the invention can lead the larger parts of the water suction chamber, the pump cover and the pump body to adopt the sectional processing, and has low processing difficulty, high processing precision and low processing cost.

4. The invention can be provided with 30 cylinders, has large water discharge amount and can simultaneously discharge a plurality of accumulated water.

5. The invention has small floor area, and the floor area of 18 cylinders is almost the same as that of 12V-shaped cylinders.

6. The plunger pump can be safely operated for a long time.

7. The plunger pump has more working cylinders, if the individual cylinder group drains abnormally, the pulse sensing device arranged on the water outlet pipe can detect abnormal data timely, and the water outlet spring and the noise reduction sealing ring of the abnormal drainage working group are convenient to maintain timely.

8. If the individual cylinder group is abnormal in water inlet, the pulse sensing device on the water inlet pipe can detect abnormal data in time, so that the water inlet valve plate and the water inlet spring of the abnormal drainage work group can be maintained in time.

9. The plunger pump has the advantages that the caliber size of the water collecting tank is firstly enlarged and then is gradually reduced to the normal size in three sections, so that the extra vibration and noise of the high-pressure large-flow water outlet to the pipeline are effectively reduced.

Drawings

FIG. 1 is a schematic front view of the present invention.

Figure 2 is a diagrammatic side view of the invention.

Figure 3 is a diagrammatic, schematic top view of the present invention.

Fig. 4 is a diagrammatic side sectional view of the invention.

FIG. 5 is a schematic, diagrammatic front sectional view of a fill spring and fill valve flap of the present invention.

FIG. 6 is a schematic sectional view of the cooling chamber side of the present invention.

In the figure: 1. the water-saving water pump comprises a box dividing body pump cover, 2, a water outlet spring, 3, a valve seat, 4, a valve core, 5, a guide pressing sleeve, 6, a water inlet spring, 7, a water inlet valve plate, 8, a water injection plunger, 9, a pump body, 10, a guide piston rod, 11, a sealing assembly, 12, a water suction chamber, 13, a connecting rod, 14, an upper crankshaft box body, 15, a crankshaft, 16, a lower crankshaft box body, 17, a gland, 18, a noise reduction ring, 19, a waterproof sealing seat, 20, a spacer sleeve, 21, an oil-proof sealing seat, 22, a waterproof sealing ring, 23, an oil-proof sealing ring, 24, an overflow hole, 25, a through hole, 26, a bottom cover, 27, a piston, 28, a limiting column, 29, a box dividing body, 30, a connecting pipe, 31, a.

Detailed Description

The following further describes a high flow plunger water pump with reference to the accompanying drawings.

The high-flow plunger pump is characterized in that an upper crankshaft box body 14 and a lower crankshaft box body 15 are buckled into a crankshaft main box body, a crankshaft with two ends positioned outside the crankshaft main box body is arranged in the crankshaft main box body provided with a bottom cover, preferably, a closed jacket, namely a cooling chamber 32, is arranged outside the crankshaft main box body (on the side wall or the bottom cover), a cooling chamber water inlet hole and a cooling chamber water outlet hole are arranged on the cooling chamber 32, the cooling chamber water inlet hole is connected with a cooling pump, and the cooling chamber water outlet hole is connected with a backflow hose so that cooling water flows back to a reservoir. The engine oil in the main box body of the crankshaft is cooled by the inlet and outlet water of the pump, so that the use viscosity of the engine oil is ensured, and the abrasion of a connecting rod tile and the diameter of the crankshaft is reduced. As shown in fig. 1-4, 6 crank arms, the pump cover 1 on each sub-tank body 29 is divided into 2, that is, each sub-tank body pump cover corresponds to 3 piston cylinders, the side surface of each sub-tank body pump cover 1 is provided with an intermediate water outlet, the 2 intermediate water outlets of each sub-tank body are collected together through a connecting pipe 30 and drained, that is, the water of the intermediate water outlets is collected in a water collecting tank 31. The water outlets of the pump covers 1 of the sub-tank bodies on the three sub-tank bodies face to one direction and are connected with the water collecting tank 31 through pipelines. Similarly, the water suction chambers 12 on each sub-tank body are also divided into 2, namely each sub-water suction chamber corresponds to 3 piston cylinders, each sub-water suction chamber is provided with a middle water suction port, two water suction ports of the middle sub-tank body are respectively arranged at two ends of the water suction chamber, water suction ports of the sub-tank bodies on two sides are respectively arranged at the outer sides of the sub-water suction chambers (the side opposite to the middle sub-tank body), and the sub-tank bodies independently feed water.

In the schematic diagram of the side view cross section of the present invention shown in fig. 4, the plunger pump of the present invention has a crankshaft main casing composed of an upper crankcase 14, a lower crankcase 16 and a bottom cover 26, a crankshaft 15 with two ends located outside the main casing is arranged in the crankshaft main casing, a closed jacket, i.e., a cooling chamber 32, is arranged on the outer bottom cover of the crankshaft main casing, an inlet and an outlet are arranged on the cooling chamber 32, the inlet is connected with a suction pipe of the pump, and the outlet is connected with a drain pipe of the pump. The crankshaft 15 is provided with 6 crank arms, each crank arm is provided with 3 connecting rods 13 with one ends movably connected with the crank arm, the other end of each connecting rod is respectively movably connected with lower opening circular groove-shaped pistons 27 at the lower ends of the guide piston rods 10 in 3 sub-boxes 29 on the main box, and the tops of the pistons are provided with 4 symmetrical through holes 25. The axis of the middle box body of the 3 sub-box bodies is vertical to the bottom surface of the main box body of the crankshaft, the included angle between the other two sub-box bodies and the axis of the middle box body is 30 degrees, each guide piston rod sequentially passes through two sealing seats in the sub-box bodies and a shell of a water suction chamber 12 on the sub-box bodies, the upper part of each guide piston rod is positioned in a water injection plunger 8 in a pump body 9, a sealing component 11 is respectively arranged at the connection part of each sub-tank body and the water suction chamber, the sealing component 11 comprises an oil-proof sealing seat 21, an oil-proof sealing ring 23, a waterproof sealing seat 19 and a waterproof sealing ring 22, a spacer 20 is arranged between the two sealing seats (the waterproof sealing seat 19 and the oil-proof sealing seat 21), the spacer 20 is an unsealed ring, the opening of the water pump corresponds to a through hole, namely an overflow hole 24, which is arranged on the branch box body, so that water is prevented from flowing to an oil cavity on one hand, and if the water outlet of the hole is proved to be sealed and leaked, the water pump needs to be replaced, and the service life of the pump is prolonged. And a ceramic layer is attached to the outer wall of the water injection plunger 8 adjacent to the pump body 9. The reduced diameter portion of the pilot piston rod 10 passes through the central through hole in the top of the water injection plunger and the shoulder is adjacent to the top of the water injection plunger 8. The top of the water injection plunger 8 is provided with a central through hole and water inlet through holes around the central through hole, a water inlet valve plate 7 is arranged on the water inlet through hole, as shown in figure 5, the outer surface of the water inlet valve plate 7 is coated with a polyurethane non-metal layer, a cylindrical water inlet spring 6 is arranged on the water inlet valve plate 7, an inner hole of the water inlet valve plate 7 is in sliding fit with the outer circle of a guide pressing sleeve 5 arranged on the upper part of the water injection plunger, and a locking nut is arranged on the guide pressing sleeve with a wear-. The upper parts of the guide pressure sleeve 5 and the water inlet valve sheet are provided with a noise reduction ring 18. The upper end of the pump body of each sub-tank body is provided with a sub-tank body pump cover 1 matched with the pump body, a side opening valve seat 3 corresponding to the pump cavity is arranged in a lower through hole of the sub-tank body pump cover 1, an upper opening groove-shaped valve core 4 corresponding to the valve seat is arranged in the valve seat 3, a water outlet spring 2 is arranged in the valve core, the upper part of the water outlet spring 2 is sleeved at the lower part of a cross-shaped limiting column 28 shaft shoulder, the upper part of the cross-shaped limiting column 28 shaft shoulder is arranged in a gland 17 for sealing the upper through hole of the pump cover, and the.

The water discharge is 360 cubic meters per hour, and the lift is 300 meters.

1. By adopting the 200610134799.9V-shaped 18-cylinder plunger pump, 9 cylinders on one side share one water inlet and one water outlet, the power of a motor matched with the pump is 550kW, and the volumetric efficiency is 89%.

2. According to the W-shaped 18-cylinder plunger pump, 2 water inlets and 2 water outlets are adopted for 6 cylinders on one side, the power of a motor matched with the W-shaped 18-cylinder plunger pump is 450kW, and the volumetric efficiency is 93.6% (which reaches over 93% of the national standard).

The foregoing shows and describes the general principles, general structure, and advantages of the present invention. It will be understood by those skilled in the art that variations and modifications in size and orientation may be made without departing from the spirit and scope of the invention, which is intended to be protected by the following claims.