CN207934864U - Paraffin cutting cylinder - Google Patents

Abstract

The utility model provides a kind of paraffin cutting cylinder, including：Cylinder, the cylinder includes the first opening and the second opening being oppositely arranged, it is respectively equipped with the first cutting edge and the second cutting edge on the edge of first opening and second opening, there is separation layer in the cylinder, the inner cavity of the cylinder is divided into the first cavity and the second cavity by the separation layer, wherein, first cavity and first open communication, second cavity and second open communication；One end of connecting rod, the connecting rod passes through second opening to be connect with the separation layer, and the other end is for connecting driving device, to drive the connecting rod that the cylinder is driven to move back and forth.The paraffin cutting cylinder can not only strike off the deposits such as wax on tube inner wall, while can also take the deposits such as wax under being struck off from tube inner wall sample band flowline to ground.

Description

Paraffin cutting cylinder

Technical field

The utility model is related to paraffin cutting technology more particularly to a kind of paraffin cutting cylinders, belong to technical field of petroleum extraction.

Background technology

Paraffin removal from oil well is a routines of oil field production, mainly due to inside the crude oil that underground mining comes out Composition containing wax, during crude oil production, due to the continuous decline of temperature and pressure, the wax in crude oil will be isolated Come, when temperature and pressure is down to a certain degree, the wax in crude oil, which will be precipitated in the form of crystallization from crude oil, is attached to oil More and more thicker with the wax layer of attachment on the inner wall of pipe, the area of circulating face will be smaller and smaller in oil pipe, makes the flowing of fluid Resistance is increasing, and the oil well underproduction is caused even to stop production.

From crude oil other than can be with separating paraffin, the substances such as resin and asphalt can be also isolated, and formed with paraffin Deposit is attached on the inner wall of oil pipe jointly, generally all can periodically be cleared up the deposit in oil pipe, common cleaning Mode is rooted out to deposit using paraffin cutting cylinder, still, for the more serious oil pipe of some wax deposition, very by paraffin cutting cylinder Difficulty is cleaned out, and thus needs by the way of paraffin removing with chemical method or the mode of heating power wax removal is cleared up, and different heavy Product object ingredient institute to manner of cleaning up and different, in the prior art, since the ingredient of deposit can not be understood, so often Mouth well can all attempt a variety of method for cleaning, cause clearance time longer, the low problem of cleaning efficiency.

Utility model content

The utility model provides a kind of paraffin cutting cylinder, the paraffin cutting cylinder can not only to the deposits such as wax on tube inner wall into Row strikes off, while can also take the deposits such as wax under being struck off from tube inner wall sample band flowline to ground.

The utility model provides a kind of paraffin cutting cylinder, including：

Cylinder, the cylinder include the first opening and the second opening being oppositely arranged, first opening and described second It is respectively equipped with the first cutting edge and the second cutting edge on the edge of opening, has separation layer, the separation layer will in the cylinder The inner cavity of the cylinder is divided into the first cavity and the second cavity, wherein first cavity and first open communication, institute State the second cavity and second open communication；

One end of connecting rod, the connecting rod passes through second opening to be connect with the separation layer, the connecting rod The other end is for connecting driving device, to drive the connecting rod that the cylinder is driven to move back and forth.

The cutting edge of first cutting edge is arranged backwards to separation layer, and the cutting edge of the second cutting edge is arranged backwards to separation layer.

Wherein, cylinder can be placed in oil pipe and the cylinder is connect by connecting rod with driving device, in driving device Under the action of, cylinder can move up and down in oil pipe, and the first cutting edge and the second cutting edge is made to contact and occur with tube inner wall Relative motion, to carry out stripping operation to deposits such as waxes on tube inner wall.

It is envisioned that cylinder is placed in oil pipe, in the first opening and the second opening, there are one opening up, have One opening down, it is assumed that first is opening down, and second is opening up.When driving device drives cylinder to transport downwards by connecting rod When dynamic, it is arranged and the deposits such as wax on tube inner wall can be scraped downwards along the first upper cutting edge in the first opening edge It removes；When driving device drives cylinder to move upwards by connecting rod, it is arranged in the second opening edge along the second upper cutting edge meeting The deposits such as wax on tube inner wall are struck off upwards, the deposits such as wax scraped can under gravity to Lower movement, wherein the deposits such as wax partly moved downward can pass through the second opening and therefore work as paraffin cutting into the second cavity After operation, paraffin cutting cylinder is extracted out out of oil pipe, paraffin cutting cylinder can also carry the deposits such as part wax to ground, to easily Realize analysis of the technical staff to deposits such as waxes on tube inner wall, the judgement of deposit ingredient, when deposit is in oil pipe When wall attachment excessively is difficult to efficiently be struck off by physical means, to formulate the soak cleaning side for being more in line with the deposit Method.

The utility model, paraffin cutting cylinder include cylinder and connecting rod, wherein cylinder includes the first opening and the being oppositely arranged Two openings, and cylinder is respectively equipped with the first cutting edge and the second cutting edge on the edge of the first opening and the second opening, when When cylinder moves down under the action of connecting rod, the first cutting edge can clear up the deposit on tube inner wall, when When cylinder moves up, the second cutting edge can equally clear up the deposit on tube inner wall, and that clears up sinks Product object can be fallen to by the second opening in the second cavity, and can take ground out of with paraffin cutting cylinder, be carried out for staff Analysis ingredient shortens the working time of follow-up wax removal, improves cleaning efficiency to carry out suitable follow-up wax removal work.

Paraffin cutting cylinder as described above, wherein second cutting edge includes M elastic cutting sheet, and each elasticity is cut One end of pitch cutting is fixed on the edge of second opening, have on the other end of elastic cutting sheet cutting blade and the cutting blade to Far from the cylinder direction extend, wherein M >=1 and be positive integer.

It, can be by the second cutting edge in order to realize the second cutting edge efficiently striking off to deposits such as waxes on tube inner wall It is set as multiple elastic cutting sheets.To prevent since the deposits such as wax are excessive on tube inner wall, cylinder when moving upwards, There is a situation where mutually stuck for the deposits such as cylinder and wax on tube inner wall.

Paraffin cutting cylinder as described above, wherein the other end of the elasticity cutting sheet is also to the axis far from the cylinder Direction tilts, and makes to form slanted angle between the elastic cutting sheet and the tubular axis.

The setting of the elastic cutting sheet of the slanted angle adjustable angle can ensure that the second cutting edge waxes to tube inner wall The deposits such as matter carry out good cutting removal effect.

Paraffin cutting cylinder as described above, wherein the elasticity cutting sheet is rectangle, described to cut elastic pitch cutting and have opposite the One side and the second side；There is the cutting blade, second side are fixed on first side on the edge of second opening.

It is also contemplated that the elastic cutting sheet of any shape can scrape the deposits such as wax on tube inner wall It removes, wherein Rectangular Elastic cutting sheet is relatively firm when the deposits such as wax on to tube inner wall strike off.

Paraffin cutting cylinder as described above, wherein the M elastic cutting sheets are uniformly distributed along second opening edge edge, and There is gap between elastic cutting sheet described in each two.

Paraffin cutting cylinder as described above, wherein N number of through-hole is provided on first cavity wall, the through-hole passes through institute State the first cavity and first open communication, wherein N >=1 and be positive integer.

When cylinder, which is moved down, to be struck off to deposits such as waxes on tube inner wall, by be scraped on tube inner wall Removing the sediment portions such as the wax got off can enter in the first cavity to influence the movement of cylinder, pass through setting for above-mentioned through-hole It sets, the Parts of deposits in the first cavity can be made to enter in oil pipe across through-hole, to ensure that the paraffin cutting of the first cutting edge Efficiency.

Paraffin cutting cylinder as described above, wherein N=2, two through-holes are oppositely arranged in the side wall of first cavity；

Two through-holes are rectangle.

Paraffin cutting cylinder as described above, wherein the cylinder is divided into the first cylinder and the second cylinder by the separation layer；Its In, first opening is the opening of first cylinder, and second opening is the opening of second cylinder.

First cylinder and the second cylinder can be integrated；It may be a detachable connection, such as be threadedly coupled, buckle Connection etc..

Paraffin cutting cylinder as described above, wherein first cylinder is different from the outer diameter of the second cylinder.

Paraffin cutting cylinder as described above, wherein the axis of the axis of the connecting rod and the cylinder is on the same line.

The implementation of the utility model at least has following advantage：

1, the paraffin cutting cylinder of the utility model can efficiently strike off the deposits such as wax on tube inner wall；

2, the paraffin cutting cylinder of the utility model can take the deposits such as wax on tube inner wall to ground out of, consequently facilitating The composition of deposit is analyzed, operating personnel is contributed to form the suitable chemistry of determination according to deposit by for row Dewaxing method；

3, the paraffin cutting barrel structure of the utility model is simple, manufacturing cost is low, easy without carrying out technical training to staff In operation.

Description of the drawings

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is Some embodiments of the utility model, for those of ordinary skill in the art, in the premise of not making the creative labor property Under, other drawings may also be obtained based on these drawings.

Fig. 1 is the structural schematic diagram of the utility model paraffin cutting cylinder embodiment one；

Fig. 2 is the structural schematic diagram of the utility model paraffin cutting cylinder embodiment two；

Fig. 3 is the structural schematic diagram of the utility model paraffin cutting cylinder embodiment three；

Fig. 4 is the structural schematic diagram of the utility model paraffin cutting cylinder example IV；

Fig. 5 is the structural schematic diagram of the utility model paraffin cutting cylinder embodiment five.

Specific implementation mode

It is new below in conjunction with this practicality to keep the purpose, technical scheme and advantage of the utility model embodiment clearer Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model Example, the every other embodiment that those of ordinary skill in the art are obtained without creative efforts belong to The range of the utility model protection.

The embodiments of the present invention are described below in detail, the example of the embodiment is shown in the accompanying drawings, wherein from beginning Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and cannot understand the limit to the utility model System.

In the description of the present invention, it should be understood that term "upper", "lower", "front", "rear", "vertical" ", water It is flat ", "top", "bottom", "inner", the orientation of the instructions such as "outside" or position relationship be that orientation based on ... shown in the drawings or position are closed System, is merely for convenience of describing the present invention and simplifying the description, rather than indicates either to imply signified device or element It must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as limiting the present invention. In the description of the utility model, the meaning of " plurality " is two or more, accurately specifically provide unless otherwise.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " connected ", " connection " should broadly understood, for example, can make to be fixedly connected, can also be by connected between intermediate media, It can be the interaction relationship of the connection or two elements inside two elements.For those of ordinary skill in the art and Speech, can understand the concrete meaning of above-mentioned term in the present invention as the case may be.

Term " first ", " second ", " third " in the description and claims of this application and above-mentioned attached drawing, " The (if present)s such as four " are for distinguishing similar object, without being used to describe specific sequence or precedence.It should manage The data that solution uses in this way can be interchanged in the appropriate case, so that embodiments herein described herein for example can be to remove Sequence other than those of illustrating or describe herein is implemented.In addition, term " comprising " and " having " and theirs is any Deformation, it is intended that cover it is non-exclusive include, for example, containing the process of series of steps or unit, method, system, production Product or equipment those of are not necessarily limited to clearly to list step or unit, but may include not listing clearly or for this The intrinsic other steps of processes, method, product or equipment or unit a bit.

Embodiment one

Fig. 1 is the structural schematic diagram of the utility model paraffin cutting cylinder embodiment one, as shown in Figure 1, the utility model embodiment One provides a kind of paraffin cutting cylinder, including：Cylinder 1, cylinder 1 include the first opening 11 and the second opening 12 being oppositely arranged, and first opens It is respectively equipped with the first cutting edge and the second cutting edge on mouth 11 and the edge of the second opening 12, there is separation layer, isolation in cylinder 1 The inner cavity of cylinder 1 is divided into the first cavity and the second cavity by layer, wherein the first cavity is connected to the first opening 11, the second chamber Body is connected to the second opening 12；

One end of connecting rod 2, connecting rod 2 passes through the second opening 12 to be connect with separation layer, and the other end is for connecting driving dress It sets, drives cylinder 1 to move back and forth with drive connection bar 2.

Wherein, cylinder 1 can be made of metal material, such as：Steel material, alloy material etc., the section shape of the cylinder 1 Shape can be circle, or approximate circle, shape can match with the shape of oil pipe can make cylinder 1 in oil pipe Portion moves up and down.

In addition, cylinder 1 has the first opening 11 and the second opening 12 being oppositely arranged, as shown in Figure 1, the first opening 11 exists One end of cylinder 1, the other end of second opening 12 in cylinder 1.In actual application, cylinder 1 is inserted into oil pipe, makes cylinder The axis of body 1 and the axis of oil pipe are mutually parallel, wherein downward, second is open 12 upward to the first opening 11 of cylinder 1, in cylinder There is the first cutting edge on the edge of the opening of body 1 first 11, there is the second cutting edge on the edge of the opening of cylinder 1 second 12, When the cylinder 1 is moved down along oil pipe, the first cutting edge can be during cylinder 1 moves down, to the wax on tube inner wall The deposits such as matter are struck off；When the cylinder 11 is moved up along oil pipe, the second cutting edge in the second opening 12 equally may be used It is struck off with deposits such as waxes to tube inner wall, and striking off the deposit to get off by the second cutting edge has part can It is fallen in the second cavity by the second opening 12, and is taken on ground as sample, then staff can analyze sample Ingredient, to be cleared up using suitable chemical method or thermal methods, if the ingredient of paraffin is more in sample, Heating power dewaxing method may be used, if the ingredient of colloidal bitumen is more in sample, the progress of paraffin removing with chemical method method may be used Cleaning.

Wherein, the first cutting edge is arranged on the edge of the first opening 11, and the edge of the first opening 11 can be processed into Cutting edge structures, which can surround one week of the first opening 11, and be carried out clearly to deposit as the first above-mentioned cutting edge Reason, in addition, the first cutting edge is an integral molding structure with cylinder 1, and first cutting edge can be as one of cylinder 1 Point, when carrying out paraffin cutting by the first cutting edge, cylinder 1 and the common stress of the first cutting edge improve the intensity of paraffin cutting, ensure The service life of first cutting edge；Second cutting edge is arranged on the edge of the second opening 12, when cylinder 1 moves up, Mutually stuck state occurs for the deposits such as cylinder 1 and the wax of tube inner wall in order to prevent, which can be bullet Property cutting edge can be scraped the deposits such as wax on tube inner wall by elastic cutting edge when cylinder 1 is moved up It removes, when deposit is larger to the resistance of elastic cutting edge, which can be bent downwardly, and keep cylinder 1 heavy by this The obstruction of product object, smoothly extracts oil pipe.

One end of the utility model paraffin cutting cylinder connecting rod 2 is connected to the separation layer on cylinder 1, and the other end drives for connecting Device, driving device can drive cylinder 1 to move back and forth by connecting rod 2, and realize to cylinder 1 above carry and under Draw, complete the paraffin cutting work of oil pipe, wherein the connection type of connecting rod 2 and separation layer can there are many, optionally, connecting rod 2 Axis and cylinder 1 axis on same straight line.

The utility model does not limit the specific connection relation of connecting rod 2 and separation layer, can be to be fixedly connected, or It is detachably connected.When that can be to be detachably connected between one end of connecting rod 2 and separation layer, such as can be to be threadedly coupled, Elastic buckles connection etc.；When that can be to be fixedly connected between one end of connecting rod 2 and separation layer, it can be casting connection, make company Extension bar 2 is an integral molding structure with separation layer.The other end of connecting rod 2 with driving device for connecting, to work as driving device When work, cylinder 1 can be driven to pump in oil pipe by driving connecting rod 2, specifically, connecting rod 2 The other end can with driving device be threadedly coupled or snap connection.

The utility model embodiment one provides a kind of paraffin cutting cylinder, for being carried out to deposits such as waxes on tube inner wall It strikes off, while can also will strike off the deposit sample to get off on tube inner wall and take on ground, analyzed for staff, so as to Using suitable follow-up wax removal mode.And in the prior art, for paraffin cutting cylinder when carrying out wax removal, being merely able to will be heavy on tube inner wall Product object is cleared up, but cannot take the deposit cleared up on ground to, can not thus judge the ingredient of deposit, In the work of subsequent wax removal, each well can all attempt a variety of method for cleaning, cause clearance time longer, and cleaning efficiency is low Problem.Compared with prior art, in the utility model embodiment one, paraffin cutting cylinder includes cylinder 1 and connecting rod 2, wherein cylinder 1 Including the first opening 11 being oppositely arranged and the second opening 12, and cylinder 1 is on the edge of the first opening 11 and the second opening 12 It is respectively equipped with the first cutting edge and the second cutting edge again, when cylinder 1 moves down under the action of connecting rod 2, the first cutting Sword can be on tube inner wall the deposits such as wax cleared up, when cylinder 1 moves up, the second cutting edge equally can will The deposits such as the wax on tube inner wall are cleared up, and the deposit cleared up can fall to the by the second opening 12 In two cavitys, and ground can be taken out of with paraffin cutting cylinder, analysis ingredient is carried out for staff, it is suitable follow-up clear to carry out Wax works, and shortens the working time of follow-up wax removal, improves cleaning efficiency.

Embodiment two

Fig. 2 is the structural schematic diagram of the utility model paraffin cutting cylinder embodiment two, as shown in Fig. 2, in above-described embodiment one On the basis of, the form of the second cutting edge can there are many, optionally, the second cutting edge includes M elastic cutting sheet 121, each One end of elastic cutting sheet 121 is fixed on the edge of the second opening 12, with cutting blade and to the side far from cylinder 1 on the other end To extension, M >=1 and it is positive integer.

In the utility model embodiment, when above-mentioned cylinder 1 is set in oil pipe, the second opening 12 is arranged upward, and first Opening 11 is arranged downward, wherein the cutting blade of multiple elastic cutting sheets 121 in the second opening 12 is equally all arranged upward, works as cylinder When body 1 moves up, multiple elasticity cutting sheets 121 can clear up the deposits such as wax on tube wall, due to second Cutting edge is made of multiple small elastic cutting sheets 121, and all in respectively when the sediment cleaning of each elastic cutting sheet 121 The state of stress, the stressing conditions between multiple elasticity cutting sheets 121 will not influence each other, total compared to the second cutting edge The cutting intensity of the case where with stress, each of the present embodiment elasticity cutting sheet 121 are relatively low, when one of elasticity cutting When piece 121 is by larger Cutting Drag, it just will appear bending phenomenon, and other elastic cutting sheets 121 can also normal work Make, in this way it is prevented that cylinder 1 is during upper carry, the second cutting edge occurs and mutually stuck show occurs with deposit As improving the practicability of paraffin cutting cylinder.

Embodiment three

Fig. 3 is the structural schematic diagram of the utility model paraffin cutting cylinder embodiment three, as shown in figure 3, in above-described embodiment two On the basis of, the other end of above-mentioned elasticity cutting sheet 121 is also tilted to the direction of the axis far from cylinder 1, makes elastic cutting sheet 121 Slanted angle, the adjustable angle of slanted angle are formed between 1 axis of cylinder.

In the utility model embodiment, elastic cutting sheet 121 can be inclined outwardly towards the axis direction far from cylinder 1, by It is mutually parallel with oil pipe side wall in the axis of cylinder 1, the angle of inclination by adjusting elastic cutting sheet 121 can adjust elasticity Cutting angle of the cutting sheet 121 relative to deposits such as waxes makes elastic cutting sheet 121 to wax etc. by regulating cutting angle Deposit reaches good cutting effect, improves cutting efficiency.

Wherein, elastic cutting sheet 121 adjust angle of inclination mode can there are many, such as：It can be bent by external force Elastic cutting sheet 121 adjusts the angle of inclination of elastic cutting sheet 121, in another example：It can also be equipped on cylinder 1 multiple and different The installation card slot of angle adjusts angle of inclination by the way that elastic cutting sheet 121 is fixedly connected on different installation card slots.

Above-mentioned elasticity cutting sheet 121 can be various shapes, and optionally, each elasticity cutting sheet 121 is rectangular-shaped, often A rectangular-shaped elastic cutting sheet 121 have opposite first while and when second, there is cutting blade, the second side is fixed on the first side On the edge of the opening of cylinder 1 second 12.In the utility model embodiment, above-mentioned elasticity cutting sheet 121 can be rectangular-shaped, rectangle Relatively firm when the elastic cutting sheet 121 of shape structure is cut, cutting intensity is high, and above-mentioned elasticity cutting sheet 121 is in addition to can be with Can also be triangle to be rectangular-shaped outer, wherein a line of triangular shaped elastomeric cutting sheet is fixed on cylinder 1, and in addition two There is cutting blade on side, it, can be by two sides with cutting blade to deposits such as waxes inside oil pipe when cylinder 1 above carries It is cleared up.

Since the position of the deposits such as wax on tube inner wall can not determine, so multiple elasticity in the second opening 12 Cutting sheet 121 is needed in the surrounding for being distributed in the second opening 12, with ensure can any angle can be to the wax in oil pipe The deposits such as matter are cleared up, and optionally, multiple elasticity cutting sheets 121 are evenly distributed in one week of 12 edge of the second opening, Wherein, there is gap between two neighboring elastic cutting sheet 121.In the utility model embodiment, multiple elasticity cutting sheets 121 are Even is distributed on the edge of the second opening 12, and when any angle on tube inner wall has deposit, which all may be used It is very convenient quick to there is the elastic cutting sheet 121 of corresponding position to clear up it.

Example IV

Fig. 4 is the structural schematic diagram of the utility model paraffin cutting cylinder example IV, as shown in figure 4,11 court of the first opening divides into It sets, when tube body moves down, the first cutting edge on cylinder 1 can strike off the deposits such as wax on tube inner wall Cutting, and the deposit part cut down 11 can be entered in the first cavity by the first opening, in order to avoid when the When deposit in one cavity piles with, the cutting of the first cutting edge is influenced, optionally, the side wall of the first cavity is equipped with N number of lead to Hole 111 (N >=1 and be positive integer), N number of through-hole 111 are open with first by the first cavity and 11 are connected to.The utility model embodiment In, when the first cutting edge, which cuts down the deposits such as wax, enters the first cavity, these deposits fallen can be worn The N number of through-hole 111 crossed on the first cavity wall enters in oil pipe, would not store in such first cavity and excessively fall down Deposit, ensure that working efficiency of first cutting edge when carrying out paraffin cutting.

The structure type of above-mentioned through-hole 111 can there are many, as shown in figure 4, N number of through-hole 111 (N=2) includes opposite sets The first through hole 111 set and the second through-hole 111, first through hole 111 and the second through-hole 111 are rectangular opening.The utility model is real It applies in example, first through hole 111 and the second through-hole 111 are all rectangular openings, it is, of course, also possible to for the pass of other shapes, such as：Circle Shape, triangle etc., numerous to list herein, the pass area of first through hole 111 and the second through-hole 111 can account for the first cavity side More than the one third of wall region, first through hole 111 is passed through into what the deposit in the first cavity can be more prone in this way Or second through-hole 111 enter in oil pipe.

Embodiment five

Fig. 5 is the structural schematic diagram of the utility model paraffin cutting cylinder embodiment five, as shown in figure 5, separation layer divides cylinder 1 is First cylinder 13 and the second cylinder 14；Wherein, the first opening 11 is the opening of the first cylinder 13, and the second opening 12 is the second cylinder 14 opening.

Wherein, the first cylinder 13 surrounds the first opening 11, and the second cylinder 14 surrounds the second opening 12.The utility model is implemented In example, the side wall of cylinder 1 is also divided by separation layer other than the inner cavity of cylinder 1 is divided into the first cavity and the second cavity First cylinder 13 and the second cylinder 14, wherein the outer diameter of the first cylinder 13 can be more than the outer diameter of the second cylinder 14, and first cuts The cutting diameter and the cutting diameter of the second cutting edge for cutting sword can be identical.

The connection type of 13 and second cylinder 14 of above-mentioned first cylinder can there are many, optionally, the first cylinder 13 and Two cylinders, 14 integrated formed structure.In the utility model embodiment, form that the first cylinder 13 and the second cylinder 14 pass through casting It is made of one piece, the bonding strength between 13 and second cylinder 14 of such first cylinder is higher, and service life is long.

In addition, the first cylinder 13 and the second cylinder 14 be other than it can be an integral molding structure, the first cylinder 13 and second Cylinder 14 can also be separate structure, be threaded connection between the first cylinder 13 and the second cylinder 14 optionally.When needing to carry out When the deposits such as wax sample, the second cylinder 14 can be connected on the first cylinder 13, can not only carry out paraffin cutting in this way, but also can With sampling, when work need not be sampled, the second cylinder 14 can be disassembled, only be applicable in the first cylinder 13 and scraped Wax works, in addition, the first cylinder 13 and the second cylinder 14 be other than above-mentioned connection type, the first cylinder 13 and second Body 14 can also use the connection type of welding to be fixed, and this connection type processes very convenient, saving processing Cost.

The utility model embodiment provides a kind of paraffin cutting cylinder, for being struck off to the deposit on tube inner wall, together When can also will strike off the deposit sample to get off on tube inner wall and take on ground, analyzed for staff, so as to using closing Suitable follow-up wax removal mode.And in the prior art, paraffin cutting cylinder is merely able to the deposit on tube inner wall is clear when carrying out wax removal Reason is got off, but cannot take the deposit cleared up on ground to, the ingredient of deposit can not be thus judged, follow-up Wax removal work in, each well can all attempt a variety of method for cleaning, cause clearance time longer, the low problem of cleaning efficiency. Compared with prior art, in the utility model embodiment, paraffin cutting cylinder includes cylinder 1 and connecting rod 2, wherein cylinder 1 includes opposite The first opening 11 being arranged and the second opening 12, and cylinder 1 is divided on the edge of the first opening 11 and the second opening 12 and does not set There are the first cutting edge and the second cutting edge, when cylinder 1 moves down under the action of connecting rod 2, the first cutting edge being capable of oil Deposit on inside pipe wall is cleared up, when cylinder 1 moves up, the second cutting edge equally can will be on tube inner wall it is heavy The product object deposit being cleared up, and clear up can be open by second and 12 fall in the second cavity, and can be with Paraffin cutting cylinder takes ground out of, and analysis ingredient is carried out for staff, to carry out suitable follow-up wax removal work, shortens follow-up clear The working time of wax, improve cleaning efficiency.

Finally it should be noted that：The above various embodiments is only to illustrate the technical solution of the utility model, rather than limits it System；Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should Understand：It still can be with technical scheme described in the above embodiments is modified, either to which part or whole Technical characteristic carries out equivalent replacement；And these modifications or replacements, this practicality that it does not separate the essence of the corresponding technical solution are new The range of each embodiment technical solution of type.

Claims (10)

1. a kind of paraffin cutting cylinder, which is characterized in that including：

Cylinder, the cylinder include the first opening and the second opening being oppositely arranged, and first opening and described second is open Edge on be respectively equipped with the first cutting edge and the second cutting edge, have separation layer, the separation layer will be described in the cylinder The inner cavity of cylinder is divided into the first cavity and the second cavity, wherein first cavity and first open communication, described the Two cavitys and second open communication；

One end of connecting rod, the connecting rod passes through second opening to be connect with the separation layer, and the other end drives for connecting Dynamic device, to drive the connecting rod that the cylinder is driven to move back and forth.

2. paraffin cutting cylinder according to claim 1, which is characterized in that second cutting edge includes M elastic cutting sheet, often One end of a elastic cutting sheet is fixed on the edge of second opening, there is cutting blade on the other end and the cutting blade to Far from the cylinder direction extend, wherein M >=1 and be positive integer.

3. paraffin cutting cylinder according to claim 2, which is characterized in that the other end of the elasticity cutting sheet is also to far from described The direction of the axis of cylinder tilts, and makes to form slanted angle between the elastic cutting sheet and the tubular axis.

4. paraffin cutting cylinder according to claim 3, which is characterized in that the elasticity cutting sheet is rectangle, the elasticity cutting Piece have opposite first while and when second；There is the cutting blade, second side is fixed on described second on first side On the edge of opening.

5. paraffin cutting cylinder according to claim 4, which is characterized in that the M elastic cutting sheets are along second opening edge Edge is uniformly distributed, and has gap between elastic cutting sheet described in each two.

6. paraffin cutting cylinder according to claim 5, which is characterized in that be provided with N number of through-hole, institute on first cavity wall State through-hole and pass through first cavity and first open communication, wherein N >=1 and be positive integer.

7. paraffin cutting cylinder according to claim 6, which is characterized in that N=2, two through-holes are in first cavity Side wall is oppositely arranged；

Two through-holes are rectangle.

8. paraffin cutting cylinder according to claim 7, which is characterized in that the separation layer by the cylinder be divided into the first cylinder and Second cylinder；Wherein, first opening is the opening of first cylinder, and second opening is opening for second cylinder Mouthful.

9. paraffin cutting cylinder according to claim 8, which is characterized in that the outer diameter of first cylinder and second cylinder is not Together.

10. according to any paraffin cutting cylinders of claim 1-9, which is characterized in that the axis of the connecting rod and the cylinder Axis on the same line.