CN210874921U

CN210874921U - Vertical double helix conical mixer of production solid lubricant

Info

Publication number: CN210874921U
Application number: CN201921500361.7U
Authority: CN
Inventors: 杨国辉; 陈伟强
Original assignee: Tianjin Binhai New Area Dagang Fangyuan Drilling And Production Technical Service Co ltd
Current assignee: Tianjin Binhai New Area Dagang Fangyuan Drilling And Production Technical Service Co ltd
Priority date: 2019-09-10
Filing date: 2019-09-10
Publication date: 2020-06-30
Anticipated expiration: 2029-09-10

Abstract

The utility model relates to the technical field of solid lubricant processing equipment, and discloses a vertical double helix conical mixer for producing solid lubricant, which comprises a frame and a mixing barrel in an inverted cone shape, wherein the top of the mixing barrel is provided with a first motor, the first motor is connected with a speed reducer, an output shaft of the speed reducer is connected with a connector, a horizontal rotating rod penetrates through the connector, and two ends of the rotating rod are respectively connected with a helical stirring assembly for mixing drilling fluid and solid lubricant; the bilateral symmetry of first motor is equipped with the feeder hopper, and the lower extreme of feeder hopper is connected with grinds the storehouse, grinds the storehouse internal rotation and is connected with two grinding rollers of hugging closely each other, and the output shaft of speed reducer is connected with and is used for driving two grinding roller pivoted drive assembly in opposite directions. The first motor drives the grinding rollers to rotate in opposite directions through the speed reducer and the transmission assembly and grinds the solid lubricant, and the ground solid lubricant and the drilling fluid are mixed in the mixing cylinder to form suspension.

Description

Vertical double helix conical mixer of production solid lubricant

Technical Field

The utility model relates to a solid lubricant processing equipment technical field especially relates to a vertical double helix conical mixer of production solid lubricant.

Background

In the process of drilling, in order to reduce the friction between a drilling tool and a well wall and avoid the occurrence of downhole accidents such as drill sticking, solid lubricants are often required to be added into drilling fluid.

The solid lubricant refers to a powdery or film-like solid used on a surface to prevent and protect a friction surface from damage during relative movement and reduce friction and abrasion thereof. The solid lubricant has wide use temperature range, strong bearing capacity, good anti-stick and anti-slip property, high vacuum resistance, radiation resistance, wide electric conductivity range, corrosion resistance and dust resistance, and is a special lubricant.

The solid lubricant is mixed with the drilling fluid by a mixer to form a suspension before use. The existing mixing machine mainly comprises a vertical mixing barrel, a rotary stirring blade, a power and transmission device, a feeding hole and a discharging hole, wherein a solid lubricant and drilling fluid are directly thrown into the mixing barrel through the feeding hole to be mixed in the mixing process, and the solid lubricant and the drilling fluid are easily mixed to form uneven distribution of solid lubricant particles in suspension due to uneven size of the solid particles in the solid lubricant, so that the lubricating effect in the using process is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a vertical double helix conical mixer of production solid lubricant to overcome prior art and mix the solid lubricant particle uneven distribution that forms in the suspension, influence the shortcoming of lubricated effect.

In order to achieve the above purpose, the basic scheme of the utility model is as follows: a vertical double-helix conical mixer for producing solid lubricants comprises a frame, wherein an inverted-cone-shaped mixing barrel is erected on the frame, and the side wall of the mixing barrel is provided with a liquid injection port for injecting drilling liquid; the top of the mixing cylinder is provided with a first motor, the first motor is connected with a speed reducer, an output shaft of the speed reducer is connected with a connector, a horizontal rotating rod penetrates through the connector, and two ends of the rotating rod are respectively connected with a spiral stirring assembly for mixing drilling fluid and solid lubricant; the bilateral symmetry of first motor is equipped with the feeder hopper that is used for puting in solid lubricant, the lower extreme of feeder hopper is connected and is used for grinding solid lubricant's grinding mechanism, grind the mechanism including connecting the grinding storehouse at the feeder hopper lower extreme, the bottom of grinding the storehouse is equipped with the guide mouth, it has two grinding rollers of hugging closely each other to grind the storehouse internal rotation, the output shaft of speed reducer is used for driving two grinding roller pivoted drive assembly in opposite directions.

Further, spiral stirring subassembly is including installing at the terminal mount pad of dwang, fixed mounting second motor on the mount pad, the output shaft of second motor has the (mixing) shaft, the (mixing) shaft is the slope setting, and surrounds on the (mixing) shaft and is provided with helical blade.

Furthermore, one of the grinding rollers in the grinding bin is provided with a spiral depressed part, and the other grinding roller is provided with a spiral raised part clamped with the spiral depressed part.

Further, the transmission assembly comprises a transmission case arranged at the top of the mixing barrel, a first bevel gear coaxially connected with an output shaft of the speed reducer is arranged in the transmission case, two sides of the first bevel gear are respectively meshed with a second bevel gear, the second bevel gear is coaxially connected with a first gear, the first gear is meshed with a second gear, the first gear is coaxially connected with one of the grinding rollers, and the second gear is coaxially connected with the other grinding roller through a second connecting shaft.

Further, a discharge channel for discharging the mixture of the drilling fluid and the solid lubricant is integrally formed at the bottom of the mixing cylinder, and a sealing cover for sealing the discharge channel is connected to the tail end of the discharge channel in a threaded manner.

Compared with the prior art, the scheme has the beneficial effects that:

1. the first motor drives the two grinding rollers to rotate in opposite directions through the speed reducer and the transmission case, so that the grinding rollers grind the solid lubricant in the opposite rotating process, the solid lubricant is ground into solid particles with uniform particle sizes, and the solid lubricant is uniformly distributed in the drilling fluid, so that the lubricating effect in use is effectively improved.

2. The first motor drives the rotating rod to rotate through the output shaft of the speed reducer and the connector, so that the stirring shafts in the spiral stirring assemblies at the two ends of the rotating rod rotate circumferentially, and the drilling fluid and the solid lubricant in the mixing barrel are stirred and mixed.

3. And a second motor in the spiral stirring assembly drives the stirring shaft to rotate, so that the spiral blades surrounding the stirring shaft further mix the drilling fluid and the solid lubricant, and the solid lubricant is uniformly distributed in the drilling fluid.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic side sectional view of the present invention;

fig. 3 is a schematic view of the transmission case of the present invention in a top view direction.

Reference numerals in the drawings of the specification include: mixing barrel 1, feed hopper 11, discharge channel 12, sealing cover 13, frame 2, first motor 3, speed reducer 31, first bevel gear 32, grinding bin 4, grinding roller 41, transmission case 5, second bevel gear 51, first connecting shaft 6, first gear 61, second connecting shaft 7, second gear 71, connector 8, rotating rod 81, mounting seat 82, second motor 9, stirring shaft 91 and helical blade 92.

Detailed Description

The invention will be described in further detail by means of specific embodiments with reference to the accompanying drawings:

example (b):

a vertical double helix conical mixer for producing solid lubricant is disclosed, as shown in figure 1, comprising a frame 2, a mixing barrel 1 with an inverted cone shape is erected on the frame 2, the side wall of the mixing barrel 1 is provided with a liquid injection port (not shown) for injecting drilling fluid, and the liquid injection port is provided with a plugging head matched with the liquid injection port; a discharge channel 12 for discharging the mixture of the drilling fluid and the solid lubricant is integrally formed at the bottom of the mixing cylinder 1, and a sealing cover 13 for sealing the discharge channel 12 is screwed to the tail end of the discharge channel 12.

As shown in fig. 1 and 2, a first motor 3 is arranged at the top of the mixing cylinder 1, the first motor 3 is connected with a speed reducer 31, an output shaft of the speed reducer 31 is fixedly connected with a connector 8, a rotating rod 81 horizontally penetrates through the connector 8, and two ends of the rotating rod 81 are respectively connected with a spiral stirring assembly for mixing drilling fluid and solid lubricant; the spiral stirring assembly comprises an installation seat 82 installed at the tail end of the rotating rod 81, a second motor 9 is fixedly installed on the installation seat 82, an output shaft of the second motor 9 is connected with a stirring shaft 91, and spiral blades 92 are arranged on the stirring shaft 91 in a surrounding mode; the stirring shaft 91 is obliquely arranged, and the oblique direction of the stirring shaft 91 is parallel to the straight line of the generating line on the mixing cylinder 1 corresponding to the closest distance.

As shown in fig. 1 and 2, the bilateral symmetry of the first motor 3 is provided with a feed hopper 11 for throwing in solid lubricant, the lower end of the feed hopper 11 is connected with a grinding mechanism for grinding solid lubricant, the grinding mechanism comprises a grinding chamber 4 connected to the lower end of the feed hopper 11, the bottom of the grinding chamber 4 is provided with a material guide port, two grinding rollers 41 tightly attached to each other are rotatably connected in the grinding chamber 4, one of the grinding rollers 41 is provided with a spiral concave portion, and the other grinding roller 41 is provided with a spiral convex portion engaged with the spiral concave portion.

As shown in fig. 2 and 3, a transmission assembly for driving the two grinding rollers 41 to rotate in opposite directions is connected to an output shaft of the speed reducer 31. The transmission assembly comprises a transmission case 5 installed at the top of the mixing barrel 1, a first bevel gear 32 coaxially connected with an output shaft of the speed reducer 31 is arranged in the transmission case 5, two sides of the first bevel gear 32 are respectively meshed with a second bevel gear 51, the second bevel gears 51 are coaxially connected with a first gear 61, the first gear 61 is meshed with a second gear 71, the first gear 61 is coaxially connected with one of the grinding rollers 41, and the second gear 71 is coaxially connected with the other grinding roller 41 with a second connecting shaft 7.

The specific implementation mode of the scheme is as follows:

when the mixing device is used, firstly, the drilling fluid is injected into the mixing cylinder 1 from the liquid injection port on the side wall of the mixing cylinder 1. The first motor 3 and the second motor 9 are started, the first motor 3 drives the first bevel gear 32 to rotate through an output shaft of the speed reducer 31, the first bevel gear 32 drives the second bevel gear 51 meshed with the first bevel gear to rotate, the second bevel gear 51 drives the first gear 61 coaxially connected with the second bevel gear to rotate, and the first gear 61 drives the second gear 71 to rotate; the first gear 61 and the second gear 71 rotate the two polishing rollers 41 in opposite directions via the first connecting shaft 6 and the second connecting shaft 7, respectively. In the process that the two grinding rollers 41 rotate in opposite directions, the spiral convex part on one grinding roller 41 is always clamped in the spiral concave part on the other grinding roller 41. The solid lubricant is poured into the two feed hoppers 11 respectively, falls into the grinding bin 4 along the inner wall of the feed hoppers 11, is ground into solid particles with uniform particle size under the grinding action of the grinding rollers 41 which rotate in opposite directions, and falls into the drilling fluid from the material guide port at the bottom of the grinding bin 4 to be mixed with the drilling fluid.

Synchronously, the first motor 3 drives the rotating rod 81 to rotate through the output shaft of the speed reducer 31 and the connector 8, so that the stirring shafts 91 in the spiral stirring assemblies at the two ends of the rotating rod 81 rotate circumferentially to stir and mix the drilling fluid and the solid lubricant in the mixing cylinder 1. Meanwhile, the second motor 9 in the helical stirring assembly drives the stirring shaft 91 to rotate, so that the helical blades 92 surrounding the stirring shaft 91 further mix the drilling fluid and the solid lubricant, and the solid lubricant is uniformly distributed in the drilling fluid.

The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. The utility model provides a vertical double helix cone mixer of production solid lubricant which characterized in that: the drilling fluid mixing device comprises a frame (2), wherein an inverted-cone-shaped mixing barrel (1) is erected on the frame (2), and a liquid injection port for injecting drilling fluid is formed in the side wall of the mixing barrel (1); the mixing device is characterized in that a first motor (3) is arranged at the top of the mixing cylinder (1), the first motor (3) is connected with a speed reducer (31), an output shaft of the speed reducer (31) is connected with a connector (8), a horizontal rotating rod (81) penetrates through the connector (8), and two ends of the rotating rod (81) are respectively connected with a spiral stirring assembly for mixing drilling fluid and solid lubricant; the bilateral symmetry of first motor (3) is equipped with feeder hopper (11) that are used for puting in solid lubricant, the lower extreme of feeder hopper (11) is connected with the grinding mechanism who is used for grinding solid lubricant, grind mechanism including connecting in grinding storehouse (4) of feeder hopper (11) lower extreme, the bottom of grinding storehouse (4) is equipped with the guide mouth, grinding storehouse (4) internal rotation is connected with two grinding roller (41) of hugging closely each other, the output shaft of speed reducer (31) is used for driving two grinding roller (41) pivoted drive assembly in opposite directions.

2. The vertical twin-screw conical mixer for producing solid lubricants as claimed in claim 1, wherein: spiral stirring subassembly is including installing at terminal mount pad (82) of dwang (81), fixed mounting second motor (9) on mount pad (82), the output shaft of second motor (9) has (mixing) shaft (91), (mixing) shaft (91) are the slope setting, and surround on (mixing) shaft (91) and be provided with helical blade (92).

3. The vertical twin-screw conical mixer for producing solid lubricants as claimed in claim 1, wherein: one of the grinding rollers (41) in the grinding bin (4) is provided with a spiral depressed part, and the other grinding roller (41) is provided with a spiral raised part which is mutually clamped with the spiral depressed part.

4. The vertical twin-screw conical mixer for producing solid lubricants as claimed in claim 1, wherein: the transmission assembly comprises a transmission case (5) installed at the top of the mixing barrel (1), a first bevel gear (32) coaxially connected with an output shaft of a speed reducer (31) is arranged in the transmission case (5), two sides of the first bevel gear (32) are respectively meshed with second bevel gears (51), the second bevel gears (51) are coaxially connected with first gears (61), the first gears (61) are meshed with second gears (71), the first gears (61) and one of the grinding rollers (41) are coaxially connected with a first connecting shaft (6), and the second gears (71) and the other grinding roller (41) are coaxially connected with a second connecting shaft (7).

5. The vertical twin-screw conical mixer for producing solid lubricants as claimed in claim 1, wherein: and a discharge channel (12) for discharging a mixture of the drilling fluid and the solid lubricant is integrally formed at the bottom of the mixing cylinder (1), and a sealing cover (13) for sealing the discharge channel (12) is in threaded connection with the tail end of the discharge channel (12).