Reinforced reciprocating plunger pump shell structure

Abstract

The utility model discloses a reinforced reciprocating plunger pump shell structure, which belongs to the technical field of plunger pumps, and comprises a plunger shell and a sealing cover mounted at the rear end of the plunger shell, a plurality of uniformly distributed reinforcing ribs are fixedly arranged on the outer wall of the plunger shell and the outer wall of the sealing cover, a plurality of mounting holes are processed at the front end of the plunger shell, and the mounting holes are communicated with the plunger shell. Mounting holes are formed in the plunger shell, a rubber gasket is clamped in each mounting hole, bearings are arranged on the two sides of the plunger shell, the outer walls of the two bearings are sleeved with sealing covers, the sealing covers are detachably connected with the plunger shell, and a through hole used for mounting a crankshaft is machined in one sealing cover. According to the plunger pump, the reinforcing ribs are arranged on the plunger shell and the sealing cover and can be used for helping heat dissipation, improving the bending resistance and enhancing the impact resistance, the rubber gaskets are further arranged in the mounting holes, the sealing performance between the plunger shell and the plunger body can be improved, meanwhile, friction between the plunger body and the plunger pump shell can be reduced, and the service life of the plunger pump shell is prolonged. And therefore, the wear resistance of the plunger pump shell is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to plunger pump technical field belongs to a reinforced reciprocating plunger pump casing structure. BACKGROUND

[0002] The existing reciprocating plunger pump generally includes power end and hydraulic end two big parts. The plunger pump power end mostly adopts the slider-crank mechanism, is driven by the prime mover to rotate the crank, makes the plunger reciprocating motion through the connecting rod, carries out liquid absorption and liquid discharge. This reciprocating plunger pump has the advantages such as high rated pressure, compact structure, high efficiency and convenient flow regulation, is widely used in high pressure, large flow and flow needs to be adjusted occasions.

[0003] The power end casing structure of reciprocating plunger pump as the key component of plunger pump is used for carrying all parts of power end, for example, the plunger pump power end casing of prior art publication No. CN217813899U, the plunger pump casing includes multiple peripheral cover plates and intermediate stand plates, the intermediate stand plates are designed to realize full boundary full welding with the peripheral cover plates of casing body, eliminate the non-welded junction position between the intermediate stand plates and the peripheral cover plates, and then avoid the stand plate cracking anomaly at the junction position in the operation process.

[0004] However, the existing plunger pump casing still has the following problems when in use: the traditional plunger pump casing has large friction with the plunger body, the low bending stiffness of the casing leads to the resonance phenomenon of the casing easily, when the casing is impacted by external force, stress concentration is prone to deformation, in addition, the casing surface has limited contact area with surrounding air, and the ventilation and heat dissipation effect is low. UTILITY MODEL CONTENTS

[0005] Therefore, the utility model provides a reinforced reciprocating plunger pump casing structure to solve the problems of low wear resistance, low bending stiffness, stress concentration prone to deformation and low ventilation and heat dissipation effect of the plunger pump casing in the prior art.

[0006] In order to achieve the above purpose, the utility model provides the following technical scheme:

[0007] A reinforced reciprocating plunger pump casing structure, comprising a plunger casing and a sealing cover installed at the rear end of the plunger casing, a plurality of uniformly distributed reinforcing ribs are fixedly arranged on the outer walls of the plunger casing and the sealing cover, a plurality of mounting holes are formed at the front end of the plunger casing, a rubber gasket is clamped in each mounting hole, bearings are arranged on both sides of the plunger casing, sealing covers are sleeved on the outer walls of the bearings, the sealing covers are detachably connected with the plunger casing, a through hole for mounting a crankshaft is formed on one of the sealing covers, and an oil injection pipe for conveying lubricating oil is fixedly penetrated through the bottom of the plunger casing.

[0008] Further, the plunger shell top is fixedly provided with lifting rings, the number of the lifting rings is multiple, and the multiple lifting rings are uniformly distributed on the plunger shell top and used for lifting the plunger shell.

[0009] Further, two fixing holes are formed on both sides of the bottom end of the plunger shell, the two fixing holes are arranged below the sealing cover, bolts are used to pass through the fixing holes in actual use, and the plunger pump is installed for use.

[0010] Further, a rubber gasket is arranged between the sealing cover and the plunger shell, the sealing cover and the plunger shell are fixed together through multiple uniformly-distributed fastening bolts one, the surface of the rubber gasket is processed with a same number of round holes as the fastening bolts one, the fastening bolts one penetrate the round holes, and the rubber gasket avoids hindering the fixing of the fastening bolts one.

[0011] Further, a guide plate is arranged behind the oil injection pipe, and the guide plate is arranged on the inner wall of the sealing cover through a mounting mechanism.

[0012] Further, the mounting mechanism comprises a mounting plate, the mounting plate is detachably arranged on the inner wall of the sealing cover through multiple fastening bolts two, two connecting plates are fixedly arranged on the side of the mounting plate close to the guide plate, a rotating rod is connected between the two connecting plates, and the guide plate is fixedly sleeved on the rotating rod.

[0013] Further, a threaded rod penetrates one of the connecting plates, one end of the threaded rod penetrates the connecting plate and is fixed to one end of the rotating rod, a nut is threadedly connected to the threaded rod, the threaded rod is fixed to the connecting plate through the nut, the nut is loosened, and then the angle of the guide plate can be adjusted.

[0014] Further, two rectangular openings are formed in the mounting plate, and two handles are fixedly arranged on the side of the mounting plate close to the guide plate, so that the mounting plate can be conveniently held and mounted or dismounted by the staff.

[0015] The utility model has the advantages that:

[0016] 1. The multiple reinforcing ribs arranged on the plunger shell and the sealing cover can help heat dissipation, increase bending resistance, and enhance impact resistance, the rubber gasket arranged in the mounting hole can improve the sealing performance between the plunger shell and the plunger body, reduce the friction between the plunger body and the plunger pump shell, and improve the wear resistance of the plunger pump shell.

[0017] 2. The multiple reinforcing ribs arranged in a uniform manner can increase the surface area of the plunger shell and the sealing cover, increase the contact area of the plunger shell and the sealing cover with the surrounding air, guide the flow of air outside the plunger shell and the sealing cover, form a natural ventilation channel, and accelerate heat transfer and dissipation.

[0018] 3. By setting the guide plate beside the oil injection pipe, the lubricating oil injected into the plunger shell through the oil injection pipe can be guided to the crankshaft by the guide plate when contacting the guide plate, so that the crankshaft can be fully lubricated, and the angle of the guide plate can be adjusted by loosening the nut, and the flow direction of the lubricating oil can be changed. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed in the following embodiment or prior art description will be briefly introduced. Obviously, the drawings in the following description are only exemplary, and for those skilled in the art, other implementation drawings can be obtained without creative labor on the basis of the provided drawings.

[0020] The structures, proportions, sizes, etc. shown in the specification are only used to cooperate with the content disclosed in the specification, to be understood and read by those skilled in the art, and are not used to limit the implementation conditions of the present application, so they do not have technical significance. Any modification of structure, change of proportion relationship or adjustment of size, without affecting the effects and purposes that can be achieved by the present application, should still fall within the scope of the technical content disclosed by the present application.

[0021] Figure 1 The overall structure schematic view provided by the present application is shown in the figure;

[0022] Figure 2 The overall structure rear view provided by the present application is shown in the figure;

[0023] Figure 3 The overall structure bottom view provided by the present application is shown in the figure;

[0024] Figure 4 The occlusion door schematic view provided by the present application is shown in the figure;

[0025] Figure 5 The hollow tube sectional view provided by the present application is shown in the figure;

[0026] Figure 6 The connecting plate, rotating rod and guide rod structure diagram provided by the present application is shown in the figure.

[0027] In the figure: 1, plunger shell; 2, sealing cover; 3, reinforcing rib; 4, mounting hole; 5, rubber gasket; 6, bearing; 7, sealing cover; 8, through hole; 9, oil injection pipe; 10, lifting ring; 11, fixing hole; 12, rubber gasket; 13, fastening bolt one; 14, round hole; 15, guide plate;

[0028] 16, mounting mechanism; 161, mounting plate; 162, fastening bolt two; 163, connecting plate; 164, rotating rod; 165, threaded rod; 166, nut; 167, rectangular opening; 168, handle. DETAILED DESCRIPTION

[0029] The embodiments of the present application will be described in detail with specific embodiments, and those skilled in the art can easily understand other advantages and effects of the present application from the content disclosed in the specification. Obviously, the described embodiments are part of the embodiments of the present application, not all. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the present application.

[0030] Referring to the drawings accompanying Figures 1-4 The present application provides a reinforced reciprocating plunger pump shell structure, comprising a plunger shell 1 and a sealing cover 2 mounted on the rear end of the plunger shell 1, the outer wall of the plunger shell 1 and the outer wall of the sealing cover 2 are fixedly provided with a plurality of uniformly distributed reinforcing ribs 3, specifically, the reinforcing rib 3 located on the upper end surface of the plunger shell 1 has a thickness of 11mm, the reinforcing rib 3 located on the lower end surface of the plunger shell 1 has a thickness of 25mm, the reinforcing rib 3 located on the left and right sides of the plunger shell 1 has a thickness of 11mm, and the reinforcing rib 3 located on the sealing cover 2 has a thickness of 6mm.

[0031] A plurality of mounting holes 4 are formed on the front end of the plunger shell 1, and a rubber gasket 5 is clamped in each mounting hole 4, bearings 6 are arranged on both sides of the plunger shell 1, and sealing covers 7 are sleeved on the outer walls of the two bearings 6, the sealing covers 7 are detachably connected with the plunger shell 1, one of the sealing covers 7 is provided with a through hole 8 for mounting a crankshaft, and an oil injection pipe 9 for conveying lubricating oil is fixedly penetrated on the bottom of the plunger shell 1.

[0032] In this embodiment, a plurality of lifting rings 10 are fixedly arranged on the top of the plunger shell 1, the plurality of lifting rings 10 are uniformly distributed on the top of the plunger shell 1, two fixing holes 11 are formed on the bottom of the plunger shell 1, and the two fixing holes 11 are arranged below the sealing cover 7 for fixing the plunger pump for use.

[0033] In actual use, by setting multiple reinforcing ribs 3 on the plunger shell 1 and the sealing cover 2, the multiple reinforcing ribs 3 can provide additional support like "skeleton", significantly improve the bending stiffness of the plunger shell 1 and the sealing cover 2, reduce the deformation of the two under bending action, and then can maintain the shape and size stability of the two, at the same time, the reinforcing ribs 3 can increase the structural damping of the plunger shell 1 and the sealing cover 2, change the natural frequency, so as to effectively inhibit vibration and prevent resonance phenomenon, reduce failure and noise caused by vibration and resonance, and the vibration and noise generated when the plunger shell 1 and the sealing cover 2 are excited by external excitation can also be reduced, at the same time, the reinforcing ribs 3 can also absorb and dissipate impact energy, when the plunger shell 1 and the sealing cover 2 are subjected to sudden impact force, the reinforcing ribs 3 can disperse the impact force to a larger area, reduce the damage degree of the impact on the plunger shell 1 and the sealing cover 2, improve the impact resistance of the plunger shell 1 and the sealing cover 2, and protect the safety of the equipment in the plunger shell 1;

[0034] And, the multiple uniformly arranged reinforcing ribs 3 can increase the surface area of the plunger shell 1 and the sealing cover 2, increase the contact area of the two with the surrounding air, which is beneficial to heat dissipation, and can also guide the flow of air outside the plunger shell 1 and the sealing cover 2, forming a natural ventilation channel to accelerate heat transfer and dissipation;

[0035] Moreover, in the process of die casting the plunger shell 1 and the sealing cover 2, the reinforcing ribs 3 can be used as a reinforcing structure of the mold to improve the strength and stability of the mold, reduce the deformation and damage of the mold in the molding process, and also facilitate the flow and filling of metal in the mold, improve the molding quality and production efficiency, and under the premise of ensuring the strength and performance of the plunger shell 1 and the sealing cover 2, the wall thickness of the plunger shell 1 and the sealing cover 2 can be appropriately reduced due to the reinforcing effect of the reinforcing ribs 3, thereby reducing the weight, facilitating transportation and handling, and also meeting the design trend of modern lightweight products.

[0036] In the embodiment, as shown in Figure 4 , a rubber gasket 12 is arranged between the sealing cover 2 and the plunger shell 1, and the sealing cover 2 and the plunger shell 1 are fixed together through multiple uniformly distributed fastening bolts 13, the surface of the rubber gasket 12 is processed with the same number of round holes 14 as the fastening bolts 13, and the fastening bolts 13 penetrate the round holes 14.

[0037] Please continue to refer to the drawings in the description Figure 2 , Figure 5 and Figure 6A guide plate 15 is arranged behind the oil injection pipe 9, and the guide plate 15 is arranged on the inner wall of the sealing cover 2 through a mounting mechanism 16, specifically, the mounting mechanism 16 comprises a mounting plate 161, the mounting plate 161 is detachably arranged on the inner wall of the sealing cover 2 through a plurality of fastening bolts 162, two connecting plates 163 are fixedly arranged on the side of the mounting plate 161 close to the guide plate 15, and a rotating rod 164 is connected between the two connecting plates 163, and the guide plate 15 is fixedly sleeved on the rotating rod 164 through a bolt.

[0038] A threaded rod 165 is arranged on one of the connecting plates 163 and penetrates the connecting plate 163, one end of the threaded rod 165 is fixedly connected with one end of the rotating rod 164, a nut 166 is threadedly connected on the threaded rod 165, and the threaded rod 165 is fixedly connected with the connecting plate 163 through the nut 166.

[0039] The guide plate 15 plays a guiding role beside the oil injection pipe 9, and most of the lubricating oil injected into the plunger shell 1 through the oil injection pipe 9 can be guided to the crankshaft by the guide plate 15 when the lubricating oil contacts the guide plate 15, so that the crankshaft can be fully lubricated, the nut 166 can be loosened by the worker, the guide plate 15 can be rotated for angle adjustment, and after the angle adjustment of the guide plate 15 is completed, the nut 166 can be tightened to fix the guide plate 15 again.

[0040] In addition, two rectangular openings 167 are formed on the mounting plate 161, two handles 168 are fixedly arranged on the side of the mounting plate 161 close to the guide plate 15, and the worker can hold the handles 168 to more quickly take and install or dismount the mounting plate 161.

[0041] Although the utility model has been described in detail above by general description and specific embodiments, some modifications or improvements can be made on the basis of the utility model, which is obvious to those skilled in the art. Therefore, these modifications or improvements made on the basis of not deviating from the spirit of the utility model all belong to the scope of protection required by the utility model.

Claims

1. A reinforced reciprocating plunger pump housing structure comprising a plunger housing (1) and a seal cover (2) mounted at the rear end of the plunger housing (1), characterized in that: The outer wall of the plunger shell (1) and the outer wall of the sealing cover (2) are fixedly provided with a plurality of uniformly distributed reinforcing ribs (3), the front end of the plunger shell (1) is processed with a plurality of mounting holes (4), and each mounting hole (4) is clamped with a rubber gasket (5) inside. Both sides of the plunger shell (1) are provided with bearings (6), the outer walls of the two bearings (6) are sleeved with sealing covers (7), the sealing cover (7) is detachably connected with the plunger shell (1), a through hole (8) for mounting a crankshaft is processed on one of the sealing covers (7), and an oil injection pipe (9) for conveying lubricating oil is fixedly and penetratively arranged at the bottom of the plunger shell (1).

2. The reinforced reciprocating barrel pump housing structure of claim 1, wherein: The top of the plunger shell (1) is fixedly provided with a plurality of lifting rings (10), and the plurality of lifting rings (10) are uniformly distributed on the top of the plunger shell (1).

3. The reinforced reciprocating barrel pump housing structure of claim 1, wherein: Two fixed holes (11) are processed on both sides of the bottom end of the plunger shell (1), and the two fixed holes (11) are arranged below the sealing cover (7).

4. The reinforced reciprocating barrel pump housing structure of claim 1, wherein: A rubber gasket (12) is arranged between the sealing cover (2) and the plunger shell (1), the sealing cover (2) and the plunger shell (1) are fixed together through a plurality of uniformly distributed fastening bolts (13), a plurality of circular holes (14) are processed on the surface of the rubber gasket (12), and the number of the circular holes (14) is the same as that of the fastening bolts (13), and the fastening bolts (13) penetrate the circular holes (14).

5. The reinforced reciprocating barrel pump housing structure of claim 1, wherein: A guide plate (15) is arranged behind the oil injection pipe (9), and the guide plate (15) is mounted on the inner wall of the sealing cover (2) through a mounting mechanism (16).

6. The reinforced reciprocating barrel pump housing structure of claim 5, wherein: The mounting mechanism (16) comprises a mounting plate (161), the mounting plate (161) is detachably mounted on the inner wall of the sealing cover (2) through a plurality of fastening bolts (162), two connecting plates (163) are fixedly arranged on one side of the mounting plate (161) close to the guide plate (15), a rotating rod (164) is connected between the two connecting plates (163), and the guide plate (15) is fixedly sleeved on the rotating rod (164).

7. The reinforced reciprocating barrel pump housing structure of claim 6, wherein: A threaded rod (165) penetrates one of the connecting plates (163), one end of the threaded rod (165) penetrates the connecting plate (163) and is fixed with one end of the rotating rod (164), a nut (166) is threadedly connected with the threaded rod (165), and the threaded rod (165) is fixed with the connecting plate (163) through the nut (166).

8. The reinforced reciprocating barrel pump housing structure of claim 6, wherein: Two rectangular openings (167) are processed on the mounting plate (161), and two handles (168) are fixedly arranged on one side of the mounting plate (161) close to the guide plate (15).

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