CN204511865U - Plunger assembly and water lubrication crankshaft type high-pressure plunger pump - Google Patents
Plunger assembly and water lubrication crankshaft type high-pressure plunger pump Download PDFInfo
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- CN204511865U CN204511865U CN201520051384.XU CN201520051384U CN204511865U CN 204511865 U CN204511865 U CN 204511865U CN 201520051384 U CN201520051384 U CN 201520051384U CN 204511865 U CN204511865 U CN 204511865U
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- plunger assembly
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Abstract
The utility model embodiment discloses a kind of plunger assembly and water lubrication crankshaft type high-pressure plunger pump, relates to technical field of hydraulic pressure, solves the problem that existing high-pressure plunger pump water lubrication effect is poor.A kind of plunger assembly of the utility model embodiment, comprise plunger and connecting rod, described connecting rod comprises suit installing ring on the driving shaft, described plunger is provided with the plunger hole at through plunger two ends, described connecting rod is provided with tie rod holes, tie rod holes one end is communicated with plunger hole, and the other end is communicated to the inner friction surface of installing ring.The utility model embodiment mainly applies to technical field of hydraulic pressure, especially applies in high-pressure plunger pump.
Description
Technical field
The present invention relates to technical field of hydraulic pressure, particularly relate to plunger assembly and water lubrication crankshaft type high-pressure plunger pump.
Background technique
The core component of Hydraulic Field during high-pressure plunger pump, the important way of realization of one of high-pressure plunger pump is: drive plunger assembly to do piston movement in cylinder holes by bent axle, in piston movement process, produce water suction and supercharging draining by the change of cylinder holes internal volume, thus realize the supercharging of liquid.Water in existing high-pressure plunger pump water lubrication mainly carrys out the water as water intake, and only can carry out lubrication and cooling to the periphery of all parts, and align the true face that friction occurs, owing to there is larger frictional force, the gap of rubbing surface is less, the water in the engaging friction face of causing is also less, and water lubrication effect is poor.
Summary of the invention
Technical problem to be solved by this invention is to overcome the deficiencies in the prior art and provides a kind of plunger assembly and water lubrication crankshaft type high-pressure plunger pump, realizes better water lubrication.
For achieving the above object, the present invention adopts following technological scheme:
A kind of plunger assembly, comprise plunger and connecting rod, described connecting rod comprises suit installing ring on the driving shaft, described plunger is provided with the plunger hole at through plunger two ends, described connecting rod is provided with tie rod holes, and tie rod holes one end is communicated with plunger hole, and the other end is communicated to the inner friction surface of installing ring.
Described plunger is connected with being twisted by ball between connecting rod.
Rubbing surface between described installing ring and live axle is provided with water lubrication friction pair, and water lubrication friction pair is fixed on installing ring.
Described water lubrication friction pair is made up of reinforced plastic.
Described tie rod holes penetrates described water lubrication friction pair.
The inner friction surface of described water lubrication friction pair is provided with axially through groove.
Described through groove and tie rod holes shift to install, or the position of described tie rod holes through-fall lubrication friction pair is positioned at the bottom of described through groove.
Described water lubrication friction pair is provided with 2 to 8 by the equally distributed described groove of array.
A kind of water lubrication crankshaft type high-pressure plunger pump, comprise pump head, cylinder body and crankcase, cylinder body is provided with through cylinder holes, and crankcase is positioned at the through one end of cylinder holes on cylinder body, pump head is positioned at the through the other end of cylinder holes on cylinder body, and pump head is provided with the flow channel be communicated with cylinder holes; Be provided with bent axle and plunger assembly in crankcase, plunger assembly one end is inserted in cylinder holes, and the other end is arranged on bent axle, and described plunger assembly is above-described plunger assembly.
Plunger assembly provided by the invention and water lubrication crankshaft type high-pressure plunger pump, water in cylinder holes can arrive the inner friction surface of installing ring successively by plunger hole and tie rod holes, make can there be sufficient water lubrication between installing ring and bent axle, improve the water lubrication effect of plunger assembly.And there is the water with larger pressure in cylinder holes, so just can impact the inner friction surface of installing ring better, reach better water lubrication effect.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is crankshaft type high-pressure plunger pump structure figure in the utility model embodiment;
Fig. 2 is A-A sectional view in Fig. 1;
Fig. 3 is cylinder head plan view in the utility model embodiment;
Fig. 4 is B-B sectional view in Fig. 3;
Fig. 5 is cylinder body and crankcase integrative-structure schematic diagram in the utility model embodiment;
Fig. 6 is C-C sectional view in Fig. 5;
Fig. 7 is the first stereogram of cylinder head in the utility model embodiment;
Fig. 8 is another stereogram of cylinder head in the utility model embodiment;
Fig. 9 is plunger assembly structural representation in the utility model embodiment;
Figure 10 is installing ring structural drawing in the utility model embodiment;
Figure 11 is D-D sectional view in Figure 10.
Reference character: 10-cylinder head, 11-flow channel, 12-water intake, 13-water outlet, 14-first safety check, 15-second safety check, 16-intercommunicating pore, 17-opening, 20-cylinder body, 21-cylinder holes, 22-intake tunnel, 30-crankcase, 31-water inlet, 32-bent axle, 33-filler, 40-plunger assembly, 41-connecting rod, 42-plunger, 43-installing ring, 44-water lubrication friction pair, 411-tie rod holes, 421-plunger hole, 441-groove, 50-end cap.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technological scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment 1
The utility model embodiment provides a kind of water lubrication crankshaft type high-pressure plunger pump, as depicted in figs. 1 and 2, the utility model embodiment mesohigh plunger pump comprises cylinder head 10, cylinder body 20 and crankcase 30, wherein cylinder body 20 is provided with through cylinder holes 21, and crankcase 30 is positioned at one end that on cylinder body, cylinder holes 21 is through, cylinder head 10 is positioned at the other end that on cylinder body 20, cylinder holes 21 is through, the plunger assembly arranged in crankcase thus just can be inserted in cylinder holes, and the high pressure water in cylinder holes can be discharged by cylinder head.
In order to realize fully water lubricating, the utility model embodiment water inlet and outlet adopts following scheme: as shown in Figure 1, Figure 3 and Figure 4, cylinder head 10 arranges the flow channel 11 be communicated with cylinder holes, water in flow channel 11 can enter in cylinder holes 21, and the water in cylinder holes 21 also can enter into flow channel 11.Simultaneously, as shown in Figure 5 and Figure 6, cylinder body 20 is also provided with intake tunnel 22, described intake tunnel 22 is communicated with flow channel 11 and crankcase 30, and on crankcase 30, be provided with water inlet 31, thus, just can pass through external water source, water inlet 31, external water source can enter into the flow channel 11 of cylinder head successively by water inlet 31, crankcase 30, intake tunnel 22, achieve the water inlet path of cylinder holes; The utility model embodiment is also provided with the water outlet with ft connection on cylinder head, and described water outlet is communicated with flow channel, thus makes the high pressure water in cylinder holes successively by flow channel and water outlet, can achieve water outlet path.
Owing to arranging water inlet on crankcase, external water source is successively by the flow channel on water inlet, crankcase, intake tunnel arrival cylinder head, make can be full of water in crankcase, thus make can adopt fully water lubricating in crankcase, no longer needing to adopt oil lubrication, also between cylinder head and crankcase, carrying out Seal Design with regard to not needing.Owing to there is no oil lubrication, would not pollute whom, also can not affect oil lubrication because of the existence of water.
In order to ensure that water inlet arrives intake tunnel more swimmingly, in the utility model embodiment, water inlet is arranged on side just right with intake tunnel 22 on crankcase 30.
As shown in Figure 5 and Figure 6, because high-pressure plunger pump does not use for a long time, easily cause water evaporates in crankcase 30, in order to guarantee to carry out water lubrication, the utility model embodiment crankcase 30 is also provided with the filler 33 with ft connection, and filler 33 is generally lived by seal cap sealing, sealing cover can be opened when needs and add water in crankcase 30.
Generally, on described cylinder head 10, corresponding described intake tunnel 22 is provided with water intake 12, intake tunnel is communicated with flow channel by water intake, specifically, as shown in figs. 4 and 7, have corresponding attachment face between cylinder head and cylinder body, the utility model embodiment arranges water intake 12 on the attachment face of cylinder head 10, and the position of water intake 12 is corresponding with intake tunnel 22 and be communicated with.
In the utility model embodiment, flow channel 11 is communicated with respectively with water intake 12, water outlet 13, so need when designing to ensure that water inlet process water circulation road is only communicated with water intake, and is disconnected with water outlet; In exiting water process, flow channel is only communicated with water outlet simultaneously, and is disconnected with water intake; The mode of similar solenoid electric valve specifically can be adopted to realize.In order to ensure the reliability of product, the utility model embodiment adopts the mode of mechanical structure to realize above-mentioned functions, specific as follows:
First, as shown in Figure 4, water intake 12 place is provided with the first safety check 14 towards intake tunnel 22 direction, the liquid that described first safety check 14 blocks in flow channel enters intake tunnel, refer to that the valve seal direction of the first safety check 14 is towards intake tunnel 22 herein towards intake tunnel direction, and the elastic force of the spring action valve body on the first safety check is also towards intake tunnel 22 direction, in such cases, pressure in intake tunnel 22 is only had to be greater than flow channel, first safety check can be backed down and realize water inlet, if pressure is greater than intake tunnel in flow channel, then cannot produce and spring opposite effect power, namely can not from intake tunnel water outlet in exiting water process.
The second, as shown in Figure 4, water outlet 13 place is provided with the second safety check 15 towards flow channel direction, described second safety check 15 blocks the liquid ingoing stream passage 11 of water outlet outside, refer to that the valve seal direction of the second safety check 15 is towards flow channel herein towards flow channel 11 direction, and the elastic force of the spring action valve body on the second safety check 15 is also towards flow channel 11 direction, the same with above-mentioned principle, can ensure that only having exiting water process can back down the second safety check realizes water outlet, but water inlet process can not be intake from water outlet.
In order to ensure the flow of high-pressure plunger pump, in the utility model embodiment, cylinder body is provided with at least two cylinder holes, the utility model embodiment preferably adopts the scheme arranging 3 cylinder holes or 5 cylinder holes, when having multiple cylinder holes, as shown in Figure 8, the utility model embodiment corresponding each cylinder holes on cylinder head is provided with water outlet 13, and the intercommunicating pore 16 be communicated with by water outlet is provided with at water outlet 13 place, all water outlets 13 can be converged thus, only need to connect an outlet pipe by an opening 17.
In order to ensure the sealability between crankcase and cylinder body, the utility model embodiment preferably by cylinder body 20 and crankcase 30 one-body molded, and cylinder body 20 functionally plays the purposes of the sidewall of crankcase towards an end face of crankcase 30.
Moulded more succinctly smooth and easy in order to make, as shown in Figure 5 and Figure 6, the wall portion that crankcase 30 upper cylinder body directly connects is covered described intake tunnel 22 by the utility model embodiment, thus, in the utility model embodiment, intake tunnel 22 needs to be communicated with crankcase through the sidewall of crankcase 30.
The structure realizing high-pressure service pump water in the utility model embodiment is: as depicted in figs. 1 and 2, bent axle 32 and plunger assembly 40 is provided with in crankcase, plunger assembly 40 one end is inserted in cylinder holes 21, the other end is arranged on bent axle 32, drive plunger assembly 40 to do piston movement in cylinder holes 21 by bent axle 32, thus realize high-pressure service pump water.In the utility model embodiment, plunger assembly 40 comprises the connecting rod 41 being connected to bent axle, in order to ensure that in the utility model embodiment, plunger assembly can work better in the situation of water lubrication, rubbing surface between described connecting rod 41 and bent axle 32 is provided with water lubrication friction pair, and wherein water lubrication friction pair mainly adopts reinforced plastic to make.
Certainly, in the utility model embodiment, crankcase 30 is the structures with accommodated inside chamber, the crankcase that is communicated to mentioned in the utility model embodiment all refers to the accommodated inside chamber being communicated to crankcase 30, and in order to ensure the sealing in accommodated inside chamber, as shown in Figure 2, the utility model embodiment arranges the end cap 50 of sealing at two end faces of holding cavity, and above-mentioned bent axle 32 is exactly carry out installation by end cap 50 to fix.
Embodiment 2
The utility model embodiment provides a kind of plunger assembly, this plunger assembly is mainly used in high-pressure plunger pump, the high-pressure plunger pump provided in embodiment 1 is particularly useful for the plunger foundry goods that the present embodiment provides, as shown in Figure 9, plunger assembly 40 in the utility model embodiment comprises plunger 42 and connecting rod 41, wherein plunger 42 is the parts doing piston movement in cylinder holes, and connecting rod 41 is the parts be connected with live axle, specifically connecting rod 41 comprises suit installing ring 43 on the driving shaft, here live axle mainly refers to the bent axle mentioned in embodiment 1, in order to ensure that there is between installing ring and live axle good water lubrication, as shown in Figure 9, the utility model embodiment is provided with the plunger hole 421 at through plunger two ends on piston 42, as shown in Figure 10 and Figure 11, the utility model is also provided with tie rod holes 411 on connecting rod 41, tie rod holes 411 one end is communicated with plunger hole 421, the other end is communicated to the inner friction surface of installing ring 43, thus make the water in cylinder holes can be arrived the inner friction surface of installing ring successively by plunger hole 421 and tie rod holes 441, make can there be sufficient water lubrication between installing ring and bent axle, improve the water lubrication effect of plunger assembly.
In order to ensure that in the utility model embodiment, plunger assembly can be applicable to bent axle well, be connected by ball strand between plunger with connecting rod in the utility model embodiment.
In order to reduce the frictional loss between installing ring and live axle, as shown in Figure 10 and Figure 11, the rubbing surface of the utility model embodiment between installing ring 43 and live axle is provided with water lubrication friction pair 44, and preferably water lubrication friction pair 44 is fixed on installing ring 43, wherein water lubrication friction pair 44 is generally made up of reinforced plastic, can use the environment of fully water lubricating better.
Have the situation of water lubrication friction pair, in the utility model embodiment, tie rod holes 411 penetrates described water lubrication friction pair 44, makes the water in cylinder holes directly can arrive rubbing surface between friction pair 44 and live axle.
As shown in Figure 10 and Figure 11, in order to Cooling and Lubricator can be carried out to water lubrication friction pair better, the utility model embodiment is also provided with axially through groove 441 in the inner friction surface of water lubrication friction pair 44, make the water in space, water lubrication friction pair 44 place can pass through groove 441, realize the Cooling and Lubricator to water lubrication friction pair.
In the utility model embodiment, through groove 441 and tie rod holes 411 preferably shift to install, through groove and tie rod holes can certainly be selected to be arranged on a position, the position of tie rod holes through-fall lubrication friction pair is made to be positioned at the bottom of described through groove, water in cylinder holes directly can enter into groove, realizes lubrication and cooling.
In order to Cooling and Lubricator effect, the utility model embodiment is provided with 2 to 8 by the equally distributed described groove of array on water lubrication friction pair.
The utility model embodiment also provides a kind of water lubrication crankshaft type high-pressure plunger pump, this high-pressure plunger pump basic structure is substantially identical with embodiment 1, mainly adopt the plunger assembly that the present embodiment provides, specifically this high-pressure plunger pump comprises cylinder head, cylinder body and crankcase, cylinder body is provided with through cylinder holes, crankcase is positioned at the through one end of cylinder holes on cylinder body, and cylinder head is positioned at the through the other end of cylinder holes on cylinder body, and cylinder head is provided with the flow channel be communicated with cylinder holes; Be provided with bent axle and plunger assembly in crankcase, plunger assembly one end is inserted in cylinder holes, and the other end is arranged on bent axle, the plunger assembly that described plunger assembly the present embodiment provides.
The utility model embodiment mainly applies to technical field of hydraulic pressure, especially applies in high-pressure plunger pump, as the water lubrication high-pressure plunger pump of curved shaft type.
The above; be only embodiment of the present utility model; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the change that can expect easily or replacement, all should be encompassed within protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of claim.
Claims (9)
1. a plunger assembly, comprise plunger and connecting rod, described connecting rod comprises suit installing ring on the driving shaft, it is characterized in that, described plunger is provided with the plunger hole at through plunger two ends, described connecting rod is provided with tie rod holes, and tie rod holes one end is communicated with plunger hole, and the other end is communicated to the inner friction surface of installing ring.
2. plunger assembly according to claim 1, is characterized in that, described plunger is connected with being twisted by ball between connecting rod.
3. plunger assembly according to claim 1, is characterized in that, the rubbing surface between described installing ring and live axle is provided with water lubrication friction pair, and water lubrication friction pair is fixed on installing ring.
4. plunger assembly according to claim 3, is characterized in that, described water lubrication friction pair is made up of reinforced plastic.
5. plunger assembly according to claim 3, is characterized in that, described tie rod holes penetrates described water lubrication friction pair.
6. plunger assembly according to claim 3, is characterized in that, the inner friction surface of described water lubrication friction pair is provided with axially through groove.
7. plunger assembly according to claim 6, is characterized in that, described through groove and tie rod holes shift to install, or the position of described tie rod holes through-fall lubrication friction pair is positioned at the bottom of described through groove.
8. plunger assembly according to claim 6, is characterized in that, described water lubrication friction pair is provided with 2 to 8 by the equally distributed described groove of array.
9. a water lubrication crankshaft type high-pressure plunger pump, comprise pump head, cylinder body and crankcase, cylinder body is provided with through cylinder holes, and crankcase is positioned at the through one end of cylinder holes on cylinder body, pump head is positioned at the through the other end of cylinder holes on cylinder body, and pump head is provided with the flow channel be communicated with cylinder holes; It is characterized in that, be provided with bent axle and plunger assembly in crankcase, plunger assembly one end is inserted in cylinder holes, and the other end is arranged on bent axle, and described plunger assembly is the plunger assembly in claim 1 to 8 described in any one.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520051384.XU CN204511865U (en) | 2015-01-15 | 2015-01-15 | Plunger assembly and water lubrication crankshaft type high-pressure plunger pump |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520051384.XU CN204511865U (en) | 2015-01-15 | 2015-01-15 | Plunger assembly and water lubrication crankshaft type high-pressure plunger pump |
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| CN204511865U true CN204511865U (en) | 2015-07-29 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114790983A (en) * | 2021-12-21 | 2022-07-26 | 张帆 | High-pressure water pump based on water or water solution lubrication |
| WO2023115328A1 (en) * | 2021-12-21 | 2023-06-29 | 张帆 | High-pressure water pump based on water or aqueous solution lubrication |
| WO2023115330A1 (en) * | 2021-12-21 | 2023-06-29 | 张帆 | Water-lubricated high-pressure pump using rolling support |
-
2015
- 2015-01-15 CN CN201520051384.XU patent/CN204511865U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114790983A (en) * | 2021-12-21 | 2022-07-26 | 张帆 | High-pressure water pump based on water or water solution lubrication |
| WO2023115328A1 (en) * | 2021-12-21 | 2023-06-29 | 张帆 | High-pressure water pump based on water or aqueous solution lubrication |
| WO2023115330A1 (en) * | 2021-12-21 | 2023-06-29 | 张帆 | Water-lubricated high-pressure pump using rolling support |
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