CN217538925U - Coated oil metering pump - Google Patents

Abstract

The utility model provides a film-coated oil metering pump, which comprises an oil tank, an oil inlet pipeline communicated with the oil tank, an oil outlet pipeline, a piston arranged in the oil tank and a driving component arranged outside the oil tank and driving the piston to move in the oil tank; the oil tank comprises an oil pipe and end covers arranged on two sides of the oil pipe, and the piston can horizontally move in the oil pipe; and the two end covers are respectively provided with an oil inlet communicated with the oil inlet pipeline and an oil outlet communicated with the oil outlet pipeline. The utility model provides a pair of diolame oil measuring pump simple structure, the oil tank is big, the oil reserve is big, the stroke of piston in the oil tank is long, make the number of times of repetition of piston in the oil tank reduce, thereby make the precision of measuring pump high, and the piston is at the oil tank in-process of moving repeatedly, the oil tank all can realize incessant oil feed and produce oil, make the energy consumption of whole measuring pump low and energy consumption high-usage, this oil inlet pipe says and goes out oil pipe way simple structure, make the oil feed of whole measuring pump and the resistance of producing oil little, flow outlet pressure is stable.

Description

Coated oil metering pump

Technical Field

The utility model belongs to the technical field of compound fertilizer processing equipment technique and specifically relates to a diolame oil measuring pump is related to.

Background

The coated fertilizer is also called coated fertilizer, and is a fertilizer with the characteristic of slowly releasing nutrients, wherein a layer of semi-permeable or slightly-soluble film is coated on the surface of water-soluble fertilizer particles. After the nutrients of the coated fertilizer are released, the coated material can be completely degraded in the soil, the environment cannot be polluted, the utilization rate of the fertilizer can be obviously improved, the nutrient loss is reduced, and the supply of the nutrients of crops can be coordinated.

In the production and processing process of the coated fertilizer, the mass production of the coated fertilizer can be met only by matching a high-precision and large-flow oil pump on production equipment. The oil film metering pump which can be used for processing the coated fertilizer in the existing market has the problems of large metering error and low precision after being used for a period of time due to short stroke and excessive repeated movement frequency. Or the oil film metering pump adopts a forward oil outlet and reverse oil inlet mode, so that the fertilizer processing process can only utilize 50% of oil outlet energy consumption, and the other half of oil inlet energy consumption is wasted, thereby resulting in low utilization rate of the oil pump. Or an oil pump of a common motor is adopted, so that the precise metering cannot be realized, the structure is complex, the oil outlet pressure fluctuation is large, and the oil film feeding use of the coated fertilizer cannot be met.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve the current shortcoming that is arranged in the oil film measuring pump of diolame fertilizer processing's metering error is big, the precision is low, the energy consumption utilization ratio is low, the structure is complicated, the pressure oscillation that produces oil is big, provide a diolame oil measuring pump.

The utility model provides a technical scheme that its technical problem adopted is: a coated oil metering pump comprises an oil tank, an oil inlet pipeline and an oil outlet pipeline which are communicated with the oil tank, a piston arranged in the oil tank and a driving assembly which is arranged outside the oil tank and drives the piston to move in the oil tank; the oil tank comprises an oil pipe and end covers arranged on two sides of the oil pipe, and the piston can horizontally move in the oil pipe; and the two end covers are respectively provided with an oil inlet communicated with the oil inlet pipeline and an oil outlet communicated with the oil outlet pipeline.

Further, the piston includes set up in the piston plate in the oil pipe and with piston plate fixed connection's piston rod, the piston rod by the oil tank wear out back with drive assembly transmission is connected.

Further, the drive assembly comprises a drive motor, a rotating gear arranged on a drive rod of the drive motor and a transmission rack fixed on the piston rod, wherein the rotating gear is meshed with the transmission rack to drive the piston rod to move horizontally.

Specifically, the piston rod includes two by respectively by the both sides of oil tank stretch into in the oil pipe with piston plate fixed connection's first transfer line and be located the oil tank outside will two first transfer line fixed connection's second transfer line, the transmission rack is fixed in on the second transfer line.

Specifically, the second transfer line include two with first transfer line parallel arrangement, just be located the oil tank with stock and two between the driving motor will respectively the stock with first transfer line fixed connection's quarter butt, the drive rack is fixed in between the stock.

Further, an oil inlet of the end cover is located on the side face of the end cover, and the oil inlet pipeline comprises two L-shaped pipes which are respectively communicated with the oil inlet of the end cover and a first T-shaped pipe which is used for communicating the two L-shaped pipes.

Specifically, the oil inlet pipeline further comprises a first electromagnetic valve and a second electromagnetic valve which are respectively arranged on the two L-shaped tubes and used for controlling the liquid in the L-shaped tubes to circulate.

Further, the oil outlet of the end cover is located on the top surface of the end cover, and the oil outlet pipeline comprises two vertical pipes which are respectively communicated with the oil outlet of the end cover and a second T-shaped pipe which is used for communicating the two vertical pipes.

Specifically, the oil outlet pipeline further comprises a third electromagnetic valve and a fourth electromagnetic valve which are respectively arranged on the two vertical pipes and used for controlling the liquid circulation in the vertical pipes.

Further, still include the installation base, drive assembly with the oil tank sets up side by side in on the installation base.

The utility model provides a beneficial effect of diolame oil measuring pump lies in: the measuring pump simple structure, the oil tank is big, the oil reserve is big, the stroke of piston in the oil tank is long, make the number of times of repetition of piston in the oil tank reduce, thereby make the precision of measuring pump high, and the piston is at the oil tank in-process of moving repeatedly, incessant oil feed and oil production all can be realized to the oil tank, make the energy consumption of whole measuring pump low and energy consumption high-usage, this oil inlet pipe says and goes out oil pipe way simple structure, make the oil feed of whole measuring pump and the resistance of producing oil little, flow outlet pressure is stable.

Drawings

Fig. 1 is a schematic perspective view of a first view angle of a coated oil metering pump provided by the present invention;

fig. 2 is a schematic perspective view of a second view angle of the coated oil metering pump provided by the present invention;

fig. 3 is a working diagram of the right movement of the piston in the coated oil metering pump provided by the present invention;

fig. 4 is an operation diagram of the coated oil metering pump when the piston moves leftward.

In the figure: 100-coated oil metering pump, 10-oil tank, 11-oil pipe, 12-end cover, 121-oil inlet, 122-oil outlet, 20-oil inlet pipeline, 21-L-shaped pipe, 22-first T-shaped pipe, 23-first electromagnetic valve, 24-second electromagnetic valve, 30-oil outlet pipeline, 31-vertical pipe, 32-second T-shaped pipe, 33-third electromagnetic valve, 34-fourth electromagnetic valve, 40-piston, 41-piston plate, 42-piston rod, 421-first transmission rod, 422-second transmission rod, 4221-long rod, 4222-short rod, 50-driving component, 51-driving motor, 52-rotary gear, 53-transmission rack and 60-mounting base.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1-4, a coated oil metering pump 100 is provided. The metering pump 100 for the coated oil can be applied to various chemical fertilizer processing equipment and is used for continuously delivering stable and accurate coated oil to the processing equipment. The coated oil metering pump 100 has the advantages of large oil storage amount, stable output, continuous output and low energy consumption, and is particularly suitable for processing coated fertilizers.

Further, as shown in fig. 1 and fig. 2, a schematic perspective view of a coated oil metering pump 100 according to the present invention is provided. The utility model provides a capsule oil measuring pump 100, including oil tank 10, with the oil inlet pipe way 20 of oil tank 10 intercommunication, go out oil pipe way 30, set up the piston 40 in oil tank 10 and set up in the drive assembly 50 that drives piston 40 and remove in oil tank 10 outside oil tank 10. The piston 40 is driven by the driving assembly 50 to move in the oil tank 10, so that the coated oil in the oil tank 10 is output from the oil outlet pipe 30 while the coated oil is pumped into the oil tank 10 through the oil inlet pipe 20. The piston 40 is arranged in the oil tank 10, and because the oil tank 10 has a large volume and a long stroke, the time required by a single stroke of the piston 40 in the oil tank 10 and the path of the stroke are longer, and when the coated oil in a unit volume is output, the reciprocating times of the piston 40 are greatly reduced, so that the output accuracy of the coated oil metering pump 100 in the unit volume can be ensured.

Further, as shown in fig. 1, the oil tank 10 of the coated oil metering pump 100 provided by the present invention includes an oil pipe 11, and end caps 12 disposed at both sides of the oil pipe 11, and the piston 40 can move horizontally in the oil pipe 11. The oil pipe 11 is of a cylindrical structure, the cross section of the oil pipe 11 is circular, and two ends of the oil pipe 11 are sealed through end covers 12. The two end covers 12 are located on the left and right sides of the oil pipe 11, and form a cavity for containing the coated oil with the oil pipe 11. The coated oil can enter the cavity through the oil inlet pipe 20 and fill the whole oil pipe 11. The coated oil in the oil pipe 11 can be discharged from the oil outlet pipeline 30 when the piston 40 moves, so that the quantitative and constant-pressure output of the coated oil is realized. The utility model provides a capsule oil metering pump 100's the oil mass that produces can be according to the size decision of this oil tank 10 and the inside piston 40 that sets up, consequently can design the size of oil tank 10 according to actual need, confirms the stroke distance that piston 40 can move in oil tank 10, controls metering pump 100's flow, reduces piston 40 reciprocating motion number of times in oil tank 10 effectively. The utility model provides an oil tank 10 among capsule oil metering pump 100 can be tens of times big for the storage oil mass of current metering pump, and is corresponding, and the single stroke distance of this piston 40 in oil tank 10 also can be long several times or tens of times even to make piston 40 can reduce more than 90% for the relative and current metering pump of the number of times of oil tank 10 reciprocating motion, can improve the precision of capsule oil metering pump 100 simultaneously and reach more than 50%.

Specifically, as shown in fig. 1 and fig. 2, the two end covers 12 of the oil tank 10 in the coated oil metering pump 100 provided by the present invention are respectively provided with an oil inlet 121 communicated with the oil inlet pipe 20 and an oil outlet 122 communicated with the oil outlet pipe 30. That is, the end cover 12 on one side of the oil pipe 11 has both the oil inlet 121 and the oil outlet 122, and the end cover 12 on the other side of the oil pipe 11 also has both the oil inlet 121 and the oil outlet 122. Two oil inlets 121 and two oil-out 122 that are located oil pipe 11 both sides provide two pipelines that can be different for oil tank 10, and two pipelines are shifted when the change of removal direction is moved in oil pipe 11 by piston 40 to ensure the utility model provides a continuous output can be realized to diolame oil metering pump 100.

Further, as shown in fig. 3 and 4, the present invention provides a working schematic diagram of a coated oil metering pump 100. The utility model provides a piston 40 among capsule oil metering pump 100 is including setting up piston plate 41 in oil pipe 11 and with piston plate 41 fixed connection's piston rod 42, piston rod 42 is worn out the back by oil tank 10 and is connected with drive assembly 50 transmission. The piston plate 41 is a plate body having the same structure as the oil pipe 11 of the oil tank 10, in this embodiment, the oil pipe 11 is a cylindrical pipe body, the piston plate 41 disposed in the oil pipe 11 is a circular plate body, and in the process of translating the piston plate 41 in the oil pipe 11, the piston plate 41 will push the coated oil in the oil pipe 11 to enter or discharge from the end covers 12 at both sides. The piston rod 42 drivingly connects the piston plate 41 to the drive assembly 50, such that the drive assembly 50 located outside the oil tank 10 can drive the piston plate 41 within the oil tank 10 to move horizontally in the direction of the oil pipe 11.

Further, as shown in fig. 2, the driving assembly 50 of the coated oil metering pump 100 provided by the present invention includes a driving motor 51, a rotating gear 52 disposed on the driving rod of the driving motor 51, and a driving rack 53 fixed on the piston rod 42, wherein the rotating gear 52 and the driving rack 53 are engaged with each other to drive the piston rod 42 to move horizontally. In this embodiment, the driving motor 51 is a servo motor, and a driving rod of the servo motor drives a rotating gear 52 fixed thereon to rotate, and drives a transmission rack 53 engaged therewith to translate during the rotation of the rotating gear 52. The driving rack 53 is fixedly connected with the piston rod 42 of the piston 40, so that the driving motor 51 drives the piston 40 to horizontally move in the oil tank 10.

Specifically, as shown in fig. 2, the piston rod 42 fixedly connected to the oil plug plate 41 in the oil tank 10 includes two first transmission rods 421 respectively extending into the oil pipe 11 from two sides of the oil tank 10 and fixedly connected to the piston plate 41, and a second transmission rod 422 located outside the oil tank 10 and fixedly connecting the two first transmission rods 421, and the transmission rack 53 is fixed to the second transmission rod 422. The two first transmission rods 421 are respectively located on two side surfaces of the piston plate 41, and one end of each first transmission rod is located in the oil pipe 11 and fixedly connected with the piston plate 41, and the other end of each first transmission rod is located outside the oil pipe 11 and fixedly connected with the second transmission rod 422. The connection of the piston plate 41 to the drive unit 50 outside the fuel tank 10 is effected via this first transfer rod 421.

Specifically, as shown in fig. 2, the second transmission rod 422 of the piston rod 42 includes two long rods 4221 arranged in parallel with the first transmission rod 421 and located between the oil tank 10 and the driving motor 51, and two short rods 4222 respectively fixedly connecting the long rods 4221 with the first transmission rod 421, and the transmission rack 53 is fixed between the long rods 4221. The two long rods 4221 of the second transmission rod 422 are located at both sides of the transmission rack 53 of the driving assembly 50, and both long rods 4221 are fixedly connected with the transmission rack 53. Two short rods 4222 of the second transmission rod 422 are positioned at two sides of the oil tank 10, one end of each short rod 4222 is perpendicular to the long rod 4221 and is fixedly connected with the end of the long rod 4221, and the other end is perpendicular to the first transmission rod 421 and is fixedly connected with the first transmission rod 421. The first transmission rod 421 and the second transmission rod 422 of the piston rod 42 surround the periphery of the fuel tank 10 to form a rectangular frame structure. Wherein the drive rack 53 of the drive assembly 50 is located in the middle of the piston rod 42 flush with the piston plate 41 located in the fuel tank 10, such that the approximate position of the piston plate 41 in the fuel tank 10 can be determined by the position of the rotary gear 52 of the drive assembly 50.

Further, as shown in fig. 2, the oil inlet 121 of the end cover 12 in the oil tank 10 provided by the present invention is located at the side of the end cover 12. The oil inlets 121 of the end caps 12 at both ends of the oil tank 10 are located at the side of the oil tank 10 such that the oil inlet pipe 20 fixedly communicating with the oil tank 10 is located at the side of the oil tank 10. As shown in fig. 1 and fig. 2, the oil inlet pipe 20 provided by the present invention includes two L-shaped pipes 21 respectively communicating with the oil inlet 121 of the end cover 12 and a first T-shaped pipe 22 communicating the two L-shaped pipes 21. The first T-shaped pipe 22 is located above the side face of the oil tank 10, the communication with the oil tank 10 is achieved through the two L-shaped pipes 21, the top of the first T-shaped pipe 22 is an oil inlet channel, and the coated oil can enter the oil inlet pipeline 20 through the first T-shaped pipe 22 and can enter the oil tank 10 from the L-shaped pipes 21 on the two sides.

Specifically, as shown in fig. 1 and fig. 2, the oil inlet pipe 20 provided by the present invention further includes a first electromagnetic valve 23 and a second electromagnetic valve 24 respectively disposed on the two L-shaped pipes 21 for controlling the liquid circulation in the L-shaped pipes 21. The first solenoid valve 23 and the second solenoid valve 24 are respectively used for controlling the opening and closing of the L-shaped pipe 21 where the solenoid valves are located, and the operations of the two are opposite. That is, when the first electromagnetic valve 23 is opened, the second electromagnetic valve 24 is closed, or when the first electromagnetic valve 23 is closed, the second electromagnetic valve 24 is opened; so that the oil inlet pipe 20 can alternatively enter the oil tank 10 through the L-shaped pipe 21.

Further, as shown in fig. 2, an oil outlet 122 of the end cover 12 in the oil tank 10 provided by the present invention is located on the top surface of the end cover 12. The oil outlets 122 of the end caps 12 at both ends of the oil tank 10 are located on the top surface of the oil tank 10 such that the oil outlet pipe 30 fixedly communicating with the oil tank 10 is located at the top of the oil tank 10. As shown in fig. 1 and 2, the oil outlet pipe 30 provided by the present invention includes two vertical pipes 31 respectively communicating with the oil outlets 122 of the end covers 12 and a second T-shaped pipe 32 communicating the two vertical pipes 31. The structure of the second T-shaped pipe 32 is identical to that of the first T-shaped pipe 22, the communication with the oil tank 10 is realized through two vertical pipes 31, the top of the second T-shaped pipe 32 is an oil outlet channel, and the enveloped oil can be discharged from the oil tank 10 through the two vertical pipes 31 and is discharged from the enveloped oil metering pump 100 through the second T-shaped pipe 32.

Specifically, as shown in fig. 1 and 2, the flowline 30 further includes a third solenoid valve 33 and a fourth solenoid valve 34 respectively disposed on the two vertical pipes 31 for controlling the flow of liquid in the vertical pipes 31. The third solenoid valve 33 and the fourth solenoid valve 34 are used to control opening and closing of the vertical pipe 31 in which they are located, respectively. The fourth solenoid valve 34 is closed when the third solenoid valve 33 is open, or the fourth solenoid valve 34 is open when the third solenoid valve 33 is closed; so that the flowline 30 can alternatively choose the vertical tube 22 enters a second tee 32.

Further, the utility model provides an adopt opening and closing operation in the solenoid valve control pipeline among the oil inlet pipe way 20 and the oil outlet pipe way 30 to all do not adopt steel ball, shop complex spring mechanism in oil inlet pipe way 20 and the oil outlet pipe way 30, consequently this oil outlet pipe way 30 is little with the inside resistance of oil inlet pipe way 20, makes the required energy consumption of drive assembly 50 also reduce relatively, can reduce the oil feed more than 50% effectively or the resistance that produces oil.

Further, the utility model provides a diolame oil metering pump 100 still includes installation base 60, and drive assembly 50 and oil tank 10 set up side by side on installation base 60, and metering pump 100 can be fixed in the automated processing equipment of various diolame chemical fertilizers through installation base 60 and use, provides the diolame oil of ration steady voltage for automated processing equipment.

Further, as shown in fig. 3 and 4, the operation process of the coated oil metering pump 100 provided by the present invention is as follows:

first, the coated oil may enter the oil tank 10 through the oil inlet passage 20 and be stored in the oil tank 10 such that the oil tank 10 is filled with a sufficient amount of the coated oil.

The drive assembly 50 then translates the piston rod 42, and during the translation of the piston rod 42, drives the piston plate 41 in the oil tank 10 to move horizontally in the oil pipe 11.

Next, as shown in fig. 3, when the piston plate 41 moves from the left side to the right side of the oil pipe 11, the first solenoid valve 23 located near the left end cap 12 is opened, and the second solenoid valve 24 located near the right end cap 12 is closed, so that the coated oil can enter the oil tank 10 from the L-shaped pipe 21 located on the left side; the third electromagnetic valve 33 near the left end cover 12 is closed, and the fourth electromagnetic valve 34 near the right end cover 12 is opened, so that the coated oil in the oil tank 10 can be discharged from the vertical pipe 22 on the right side, and an oil path circulating system for left oil inlet and right oil outlet is formed near the oil tank 10.

Finally, when the piston plate 41 moves to the rightmost side of the oil pipe 11, it moves to the left side of the oil pipe 11 by the driving assembly 50, and thus the reciprocating operation is performed. As shown in fig. 4, when the piston plate 41 is moved from the right side to the left side of the oil pipe 11, the first solenoid valve 23 located near the left end cap 12 is closed, and the second solenoid valve 24 located near the right end cap 12 is opened, so that the enveloped oil can enter the oil tank 10 from the L-shaped pipe 21 located on the right side; the third electromagnetic valve 33 near the left end cover 12 is opened, and the fourth electromagnetic valve 34 near the right end cover 12 is closed, so that the coated oil in the oil tank 10 can be discharged from the vertical pipe 22 at the left side, and an oil path circulation system for oil inlet at the right side and oil outlet at the left side is formed near the oil tank 10.

The utility model provides a capsule oil metering pump 100, no matter the piston plate 41 in the oil tank 109 moves to the left in oil pipe 11, perhaps moves right, the utility model provides a capsule oil metering pump 100 all can realize oil circuit circulation system to realize incessant oil outlet operation, make the utility model provides a capsule oil metering pump 100's drive assembly 50's utilization ratio improves by a wide margin, and the energy consumption reduces 50%, and no matter drive assembly 50 drives piston 40 when removing towards which direction, all can keep the intercommunication of the oil circuit circulation passageway that corresponds, adopts solenoid valve control switch in this oil inlet pipe way 20 and the oil outlet pipe way 30 simultaneously, makes the resistance in the pipeline reduce, and the velocity of flow increases 50%, and the flow pressure stability in whole capsule oil metering pump 100's the oil circuit passageway improves more than 80%.

The utility model provides a 100 simple structure of diolame oil measuring pump, the oil tank 10 is big, the oil reserve is big, the stroke of piston 40 in oil tank 10 is long, make the number of times that relapse of piston 40 in oil tank 10 reduce, thereby make the precision of measuring pump high, and piston 40 is at the in-process of moving repeatedly in oil tank 10, oil tank 10 all can realize incessant oil feed and produce oil, make the energy consumption of whole measuring pump low and energy consumption high-usage, this oil inlet pipe way 20 and oil outlet pipe way 30 simple structure, make the oil feed and the resistance of producing oil of whole measuring pump little, flow outlet pressure is stable.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. The coated oil metering pump is characterized by comprising an oil tank, an oil inlet pipeline communicated with the oil tank, an oil outlet pipeline, a piston arranged in the oil tank and a driving assembly arranged outside the oil tank and used for driving the piston to move in the oil tank; the oil tank comprises an oil pipe and end covers arranged on two sides of the oil pipe, and the piston can horizontally move in the oil pipe; and the two end covers are respectively provided with an oil inlet communicated with the oil inlet pipeline and an oil outlet communicated with the oil outlet pipeline.

2. The coated oil metering pump of claim 1 wherein the piston comprises a piston plate disposed within the oil tube and a piston rod fixedly attached to the piston plate, the piston rod extending out of the oil tank and drivingly connected to the drive assembly.

3. The coated oil metering pump of claim 2, wherein the driving assembly comprises a driving motor, a rotating gear disposed on a driving rod of the driving motor, and a driving rack fixed on the piston rod, and the rotating gear is engaged with the driving rack to drive the piston rod to move horizontally.

4. The coated oil metering pump of claim 3 wherein said piston rod comprises two first drive rods extending into said oil tube from either side of said oil tank and fixedly connected to said piston plate, and a second drive rod located outside said oil tank and fixedly connecting said two first drive rods, said drive rack being fixed to said second drive rod.

5. The coated oil metering pump of claim 4 wherein said second drive rod comprises two long rods disposed parallel to said first drive rod and between said oil reservoir and said drive motor and two short rods each fixedly connecting said long rods to said first drive rod, said drive rack being fixed between said long rods.

6. The coated oil metering pump of claim 1, wherein the oil inlet of the end cap is located at a side of the end cap, and the oil inlet pipe comprises two L-shaped pipes respectively communicating with the oil inlet of the end cap and a first T-shaped pipe communicating the two L-shaped pipes.

7. The coated oil metering pump of claim 6, wherein the oil inlet pipe further comprises a first solenoid valve and a second solenoid valve respectively disposed on the two L-shaped tubes for controlling the flow of the liquid in the L-shaped tubes.

8. The coated oil metering pump of claim 1 wherein the oil outlet of the end cap is located at the top surface of the end cap, and the oil outlet conduit comprises two vertical pipes respectively communicating with the oil outlet of the end cap and a second T-shaped pipe communicating the two vertical pipes.

9. The coated oil metering pump of claim 8 wherein said oil outlet line further comprises a third solenoid valve and a fourth solenoid valve disposed on each of said two vertical pipes for controlling the flow of liquid through said vertical pipes.

10. The coated oil metering pump of claim 1 further comprising a mounting base, said drive assembly and said oil reservoir being disposed side-by-side on said mounting base.

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