CN207914004U - A kind of dope automatic spray apparatus - Google Patents

Abstract

The utility model is related to drilling equipment technical fields, disclose a kind of dope automatic spray apparatus, and walking mechanism includes：Mounting base and walker, the rack rails and limit guide rail being installed in mounting base, mounting base, rack rails and limit guide rail extend around drill rod axis rotation, it is installed on the motor and guide part of walker, it is installed on the gear of motor output shaft, gear is engaged with rack rails, and guide part is extended into limit guide rail and is adapted, and the detour process to walker relative to drilling rod is limited and is oriented to；Spray body includes：Nozzle arrangements and the oil spout cavity for being installed on walker, there is piston in fuel injection chamber body and oil spout cavity is divided into left chamber and right chamber, have elastic component in right chamber, one end is connected with piston, another end and oil spout cavity are connected, there is right chamber driving medium entrance and outlet, nozzle arrangements to be horizontally installed to left chamber.Prosthetic need to detour smearing, and labor intensity is low, and work efficiency is high, and dope covering is more uniformly comprehensively.

Description

A kind of dope automatic spray apparatus

Technical field

The utility model is related to drilling equipment technical field, more particularly to a kind of dope automatic spray apparatus.

Background technology

During oil drilling makes up a joint, before each pair of screwed connection, dope, a side are smeared on drilling rod pin thread Face can prevent screw thread from thread gluing phenomenon occurring at high loads with lubrication protection screw thread, on the other hand, be also beneficial to the spiral shell of screw thread Line sealing function.

But smearing the common method of dope to drilling rod pin thread at present is, worker dips in upper dope along pin thread circumferential direction with hairbrush It is smeared, is artificially circumferentially smeared around pin thread, it is very complicated, the labor intensity of worker is increased, meanwhile, it is artificial to smear The problem of being affected by artificial uncertain factor, inevitably will appear uneven smearing or omission, to which dope cannot be played Protective effect, the problems such as causing screw thread thread gluing and seal failure, and working efficiency is low, job scheduling is slow, and there is also waste of resource The problems such as.

Utility model content

The goal of the invention of the utility model is：In view of the above problems, a kind of dope is provided and sprays dress automatically It sets so that worker smears work without detour, and reduces labor intensity, improves work efficiency, simultaneously so that public The dope covering buckled is more uniformly comprehensive, avoids waste.

The technical solution adopted in the utility model is such：A kind of dope automatic spray apparatus, including walking mechanism And spray body；

The walking mechanism includes mounting base, rack rails, walker, motor, gear and limit guide rail, the rack rails and limit Guide rail is fixedly installed in the mounting base, and the mounting base, rack rails and limit guide rail are rotated around the axis of the drilling rod Extend, the motor is fixedly installed on the walker, and the gear is connect with the motor output shaft, the gear Be meshed with the rack rails, the walker bottom is equipped with guide part, the guide part extend into the limit guide rail and It is adapted, the detour process to the walker relative to the drilling rod is limited and is oriented to；

The spray body includes oil spout cavity and nozzle arrangements, and the oil spout cavity is installed on the walker, institute It states and piston is installed in fuel injection chamber body, the oil spout cavity is divided into left chamber and right chamber by the piston, is installed in the right chamber Have elastic component, described elastic element one end is fixedly connected with the piston, another end is fixedly connected with oil spout cavity, the oil spout Cavity have driving medium entrance and driving media outlet, the driving medium entrance and drive media outlet with the right chamber Connection, the nozzle arrangements are horizontally installed to the left end of the oil spout cavity and are connected to the left chamber.

Further, elastic element is specially resetting spring, and the interior outside of rack rails is respectively provided with a limit guide rail, Further include two pieces of mounting plates, mounting plate is fixedly installed in mounting base, and limit guide rail is opened on mounting plate.

Motor rotation driven gear rotates, and gear is meshed with rack rails, and guide part is matched with limit guide rail, guide part energy Enough prevent walker rotation, ensure gear always with rack rails is intact engages so that walker can be transported along the track of rack rails automatically It is dynamic, that is, drive spray body to detour relative to the axis of drilling rod, so that spray body around drilling rod pin thread to carrying out spraying behaviour To make, initial position, in the raw, piston is located at limit on the right-right-hand limit position to resetting spring, when work, driving medium entrance oil inlet, Media outlet is driven to close, hydraulic oil pushes piston to move downward and stretch resetting spring, a left side by driving medium entrance to be pumped into Cavity pressure increases, and the pressure extrusion dope therein of left chamber, pressure drives nozzle arrangements to be opened so that dope is from nozzle knot It is sprayed in structure, you can it realizes and spraying operation is carried out to pin thread, it is convenient and efficient, it solves and manually smears uneven, omission, labour by force Big problem is spent, is improved work efficiency, meanwhile, it detours without artificial, reduces the labor intensity of worker, improve work effect Rate, after a spraying process, driving medium entrance is closed, and driving media outlet is opened, and the reset bullet of tensional state is in Spring begins return to initial position, and resetting spring band piston returns to limit on the right-right-hand limit position, and the hydraulic oil in right chamber is situated between by driving Matter outlet discharge, at this moment, the pressure in left chamber are reduced to initial value, and nozzle arrangements are closed.

A kind of dope automatic spray apparatus described in the utility model, the nozzle arrangements include tension spring, nozzle core bar And nozzle casing, the nozzle casing are fixedly installed in the oil spout cavity left end, the nozzle core bar passes through the nozzle cage Oily channel in the middle part of pipe simultaneously extends into the left chamber, and there are one head of the trumpet, the head of the trumpet for the left end tool of the nozzle core bar It can be contacted with the fitting of the left end of the nozzle casing and intact sealing, the left end of the tension spring and the right end of the nozzle core bar are solid Fixed connection, right end are fixedly connected with the oil spout cavity, and when piston squeezes left chamber to the left, dope is from nozzle casing and nozzle core Gap between bar passes through, and is sprayed from head of the trumpet, so set, ensure that dope smoothly can effectively spray, meanwhile, When spraying operation is completed, nozzle core bar can automatically reset under the action of tension spring, and tension spring can guarantee head of the trumpet with Nozzle casing seals intact always, avoids dope and surprisingly flows out, causes to waste.

A kind of dope automatic spray apparatus described in the utility model has guide plate one, institute on the nozzle core bar Guide plate one is stated in the oily channel and its appearance and size is adapted with the sectional dimension in the oily channel, the guiding Oil hole is offered on plate one, specifically opens up 6 oil holes of a circle herein, two pieces of circular guide plates one are specifically set, and oil is logical Road section is also circle, and the diameter of guide plate one is adapted with the diameter in oily channel, and oil hole ensure that dope can be smooth By guide plate one, guide plate one can be supported and be oriented to movement of the nozzle core bar in oily channel.

The left end inside of a kind of dope automatic spray apparatus described in the utility model, the oil spout cavity is fixedly mounted There are fixing sleeve, the fixing sleeve center line to be overlapped with the nozzle casing center line, the right end of the nozzle core bar extends into institute It states in the cavity of fixing sleeve, offered oil seam on the fixing sleeve along its length, the right end of the fixing sleeve offers The right end of oil-through hole, the nozzle core bar has guide plate two, and the guide plate two is located in the cavity of the fixing sleeve and it Appearance and size is adapted with the cavity cross-section size of the fixing sleeve, and the oil hole, institute are also offered on the guide plate two It states tension spring to be located in the cavity of the fixing sleeve, and its left end is fixedly connected with the guide plate two, right end and the fixing sleeve It is fixedly connected, so set, fixing sleeve so that the tension spring installation site between nozzle core bar and oil spout cavity is relatively reliable rationally, Oil hole ensure that dope can pass through guide plate two, and guide plate two can moving left and right in fixing sleeve to nozzle core bar In be supported and be oriented to, excessively oil seam and oil-through hole can effectively ensure that the dope of left chamber can smoothly enter into fixing sleeve, in turn Oil hole is passed through to enter in oily channel.

A kind of dope automatic spray apparatus described in the utility model, the left end of the nozzle casing are equipped with nozzle, The nozzle includes from left to right distribution grid, cone cylinder portion and cylindrical portion successively, and several nozzle openings, institute are offered on the distribution grid It is left large and right small to state cone cylinder portion, the cylindrical portion is threadedly coupled with the nozzle casing left end, is arranged such so that nozzle and nozzle Inserting or withdrawing sleeves and connection are more convenient, and the nozzle opening on distribution grid can be further such that the dope on pin thread be more uniform Comprehensively.

The oily channel left end of a kind of dope automatic spray apparatus described in the utility model, the nozzle casing has one A inner conical surface, the outer surface of the head of the trumpet can with the inner conical surface is intact is bonded and is formed sealing, the outer circle of the head of the trumpet Surface has a circle step, and the right side of the step can be bonded with the left side of the nozzle casing to be contacted, so set, into One step improves the sealing effect between head of the trumpet and oily channel, prevents dope from surprisingly flowing out.

A kind of dope automatic spray apparatus described in the utility model, oil spout cavity upper end are equipped with repairing knot Structure, the repairing structure includes oil storage cavity, and oil spout cavity upper end has upper convex mouth, has in the middle part of the upper convex mouth logical Chamber, the upper convex mouth are fixedly connected with the oil storage cavity and extend into the oil storage cavity, in the cavity of the upper convex mouth Spool is installed, there is repairing gap, the upper end of the spool to have between the outer surface of the spool and the inner wall of the cavity There are limiting section, lower end that there is sealing plate, the limiting section can contact limit, the shoe cream room with the upper surface of the upper convex mouth Internal dope can pass through the limiting section to enter in the repairing gap and then enter the left chamber, the sealing plate Upper surface can be bonded with the inner wall of oil spout cavity upper end and contact and form sealing.

Further, the upper end of oil storage cavity has repairing mouth, and limiting section is Circular plate structure, and a circle is offered on plectane The lower face in repairing hole, plectane can contact limit with the upper surface of upper convex mouth, and the dope in oil storage cavity can pass through benefit Oilhole enters repairing gap.

So set, the mistake oil cut rate of limiting section is can effectively ensure that, when the dope in oil storage cavity is all added to a left side When chamber, worker can be refueled by repairing mouth into oil storage cavity so that the dope of sufficient amount can enter benefit by repairing hole Oil-gap；Meanwhile spool can carry out respective action according to the side-to-side movement of piston, in spraying process, i.e. piston is to moving to left Dynamic, sealing plate moves up and contacts and seal with the fitting of the inner wall of oil spout cavity upper end so that and oil storage cavity separates with left chamber, So that spraying process is smoothed out, in oil replenishing process, i.e., piston moves right, and sealing plate moves down and far from oil spout cavity The inner wall of upper end so that oil storage cavity is connected to left chamber, and limiting section contacts limit with upper convex mouth upper surface at this time, and dope passes through Repairing hole and repairing gap enter left chamber, ensure that oil replenishing process is smoothed out.

The lower end of a kind of dope automatic spray apparatus described in the utility model, the oil storage cavity has lower convex mouth, Also there is the lower convex mouth cavity, the upper convex mouth to extend into the cavity of lower convex mouth and are fixedly connected with lower convex mouth, be had herein Body is to be threadedly coupled, and when the upper surface of the limiting section and the upper convex mouth contacts, the top of the limiting section is less than described The inner wall surface of oil storage cavity lower end is arranged such so that the connection of oil storage cavity and oil spout cavity is more convenient and steady It is fixed reliable, and be more advantageous to dope in oil storage cavity and entered in repairing gap by limiting section.

Further, step groove is offered at the cavity corresponding oil spout cavity upper end inner wall of upper convex mouth, sealing plate can In step groove, and end face can contact and be formed sealing with step groove fitting thereon, so set, when the upper surface of sealing plate It is bonded with step groove when contacting, sealing effect is more preferable.

A kind of dope automatic spray apparatus described in the utility model is provided with reversal switch in the limit guide rail, The reverser is connected with the control circuit of the motor, and the guide part can trigger the reversal switch, and in turn The motor reversal is controlled, the connection type of reversal switch and circuit for controlling motor is not disclosed in the application, this is motor control More existing technology in field processed, when guide part triggers reversal switch, reverse signal is fed back to motor by reversal switch Control circuit, and then motor reversal is controlled by control circuit, at this point, walker drives nozzle structure reversely to detour, i.e., to boring Pin thread on bar carries out repeating spraying, ensures coating quality.

A kind of dope automatic spray apparatus described in the utility model, the bottom of the guide part are equipped with idler wheel, bottom The idler wheel in portion is contacted with the bottom of the limit guide rail, and the inner end of the guide part and outboard end are also separately installed with idler wheel, The idler wheel of side is contacted with the two sides of the limit guide rail respectively, and the sliding friction between guide part and limit guide rail is converted For rolling friction so that walker is more smooth relative to the detour process of drilling rod.

Further, there are four guide parts, two limit guide rails to correspond to two guide parts respectively for the installation of walker bottom so that Limit and guiding process to walker is more reliable and more stable.

In conclusion by adopting the above-described technical solution, the utility model has the beneficial effects that：The utility model can It realizes that walking mechanism automatic traction spray body detours relative to drilling rod, and then completes the operation to spraying dope on pin thread, Without artificially detouring, the labor intensity of worker is reduced, is improved work efficiency, simultaneously so that the dope covering on pin thread More uniformly comprehensively, waste is avoided.

Description of the drawings

Fig. 1 is the structural schematic diagram of the utility model and drilling rod installation cooperation；

Fig. 2 is enlarged drawing at A in Fig. 1；

Fig. 3 is the utility model structure diagram；

Fig. 4 is the sectional view of spray body and the installation of repairing structure in the utility model；

Fig. 5 is enlarged drawing at B in Fig. 4；

Fig. 6 is enlarged drawing at C in Fig. 4；

Fig. 7 is enlarged drawing at D in Fig. 4；

Fig. 8 is the front view of nozzle in the utility model；

Fig. 9 is the structural schematic diagram of nozzle core bar in the utility model；

Figure 10 is the structural schematic diagram of spool in the utility model；

Figure 11 is the upward view of walker in the utility model.

It is marked in figure：1 is drilling rod, and 2 be mounting base, and 3 be rack rails, and 4 be walker, and 5 be motor, and 6 be gear, and 7 be limit Guide rail, 8 be mounting plate, and 9 be guide part, and 10 be oil spout cavity, and 11 be piston, and 12 be left chamber, and 13 be right chamber, and 14 be elasticity member Part, 15 be driving medium entrance, and 16 be driving media outlet, and 17 be tension spring, and 18 be nozzle core bar, and 19 be nozzle casing, and 20 are Oily channel, 21 be head of the trumpet, and 22 be guide plate one, and 23 be oil hole, and 24 be fixing sleeve, and 25 be that oil stitches, and 26 be oil-through hole, 27 For guide plate two, 28 be distribution grid, and 29 be cone cylinder portion, and 30 be cylindrical portion, and 31 be nozzle opening, and 32 be inner conical surface, and 33 be step, 34 It is upper convex mouth for oil storage cavity, 35,36 be spool, and 37 be repairing gap, and 38 be limiting section, and 39 be sealing plate, and 40 be lower convex mouth, 41 be reversal switch, and 42 be repairing mouth, and 43 be step groove, and 44 be hydraulic tongs, and 45 be repairing hole, and 46 be idler wheel.

Specific implementation mode

Below in conjunction with the accompanying drawings, the utility model is described in detail.

In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain The utility model is not used to limit the utility model.

Embodiment 1

As shown in Fig. 1 to 6,8,9, a kind of dope automatic spray apparatus, including walking mechanism and spray body；Vehicle with walking machine Structure includes mounting base 2, rack rails 3, walker 4, motor 5, gear 6 and limit guide rail 7, and rack rails 3 and limit guide rail 7 are fixedly installed on In mounting base 2, mounting base 2, rack rails 3 and limit guide rail 7 extend around the rotation of the axis of drilling rod 1, and motor 5 is vertically solid Dingan County is loaded on walker 4, and gear 6 exports axis connection with motor 5 and is in horizontality, and gear 6 is meshed with rack rails 3, row It walks 4 bottom of frame and guide part 9 is installed, guide part 9 is extended into limit guide rail 7 and is adapted, to walker 4 relative to drilling rod 1 Detour process limited and be oriented to, specifically, the interior outside of rack rails 3 is respectively provided with a limit guide rail 7, further includes Two pieces of mounting plates 8, mounting plate 8 are fixedly installed in mounting base 2, and limit guide rail 7 is opened on mounting plate 8, and mounting plate 8 passes through spiral shell Bolt is fixedly installed in mounting base 2, and limit guide rail 7 is opened on mounting plate 8, and limit guide rail 7 is not opened in mounting base 2 directly On, mounting plate 8 is convenient for disassembly and assembly, convenient that limit guide rail 7 is repaired or replaced；Spray body includes oil spout cavity 10 and spray Mouth structure, oil spout cavity 10 are installed on walker 4, are equipped with piston 11 in oil spout cavity 10, and piston 11 is by oil spout cavity 10 Be divided into left chamber 12 and right chamber 13, in right chamber 13 installation have elastic component 14, elastic element 14 is specially resetting spring, elasticity member 14 one end of part is fixedly connected with piston 11, another end is fixedly connected with oil spout cavity 10, and oil spout cavity 10 has driving medium entrance 15 are connected to right chamber 13 with driving media outlet 16, driving medium entrance 15 and driving media outlet 16, and nozzle arrangements are horizontal It is installed on the left end of oil spout cavity 10 and is connected to left chamber 12, driving medium entrance 15 is connected with a hydraulic pump, and hydraulic pump is the right side Chamber 13 is pumped into hydraulic oil, to push piston 11 to be moved to the left.

Specifically, nozzle arrangements include tension spring 17, nozzle core bar 18 and nozzle casing 19, and nozzle casing 19 is fixedly installed in 10 left end of oil spout cavity, nozzle core bar 18 pass through the oily channel 20 at 19 middle part of nozzle casing and extend into left chamber 12, nozzle core There are one head of the trumpet 21 for the left end tool of bar 18, and head of the trumpet 21 can be contacted with the fitting of the left end of nozzle casing 19 and intact sealing, draws The left end of spring 17 is fixedly connected with the right end of nozzle core bar 18, right end is fixedly connected with oil spout cavity 10；Have on nozzle core bar 18 There is guide plate 1, guide plate 1 is located in oily channel 20 and its appearance and size is adapted with the sectional dimension in oily channel 20, Oil hole 23 is offered on guide plate 1, specifically opens up 6 oil holes 23 of a circle herein, and two pieces of circular guiding are specifically set Plate 1,20 section of oily channel are also circle, and the diameter of guide plate 1 is adapted with the diameter in oily channel 20；Oil spout cavity 10 Left end on the inside of be installed with fixing sleeve 24,24 center line of fixing sleeve is overlapped with 19 center line of nozzle casing, nozzle core bar 18 Right end extend into the cavity of fixing sleeve 24, offered along its length on fixing sleeve 24 oil seam 25, fixing sleeve 24 Right end offers oil-through hole 26, and there is the right end of nozzle core bar 18 guide plate 2 27, guide plate 2 27 to be located at the chamber of fixing sleeve 24 In vivo and its appearance and size is adapted with the cavity cross-section size of fixing sleeve 24, and oil hole 23 is also offered on guide plate 2 27, 6 oil holes 23 of a circle are specifically opened up herein, and tension spring 17 is located in the cavity of fixing sleeve 24, and its left end and guide plate 2 27 are solid Fixed connection, right end are fixedly connected with fixing sleeve 24.

Meanwhile the left end of nozzle casing 19 is equipped with nozzle, nozzle includes distribution grid 28, cone cylinder portion 29 successively from left to right With cylindrical portion 30, several nozzle openings 31 are offered on distribution grid 28, and cone cylinder portion 29 is left large and right small, cylindrical portion 30 and nozzle casing 19 Left end is threadedly coupled, and specifically, the taper α in cone cylinder portion 29 is within the scope of 50 °~70 °, to meet different spraying coverage areas, Taper α is set as 60 ° herein, and shape, size and its arrangement on distribution grid 28 of nozzle opening 31 can be according to reality It needs specifically to be arranged, herein specifically in a centrally disposed nozzle opening 31 for distribution grid 28, and surrounds this 31 edge of center nozzle opening The radial four circle nozzle opening 31 of setting of distribution grid 28, each nozzle opening 31 is circular hole and size is identical, cone cylinder portion 29 and cylindrical portion 30 be cavity-like, and head of the trumpet 21 can control the cavity in cone cylinder portion 29 to be connected to or separate with oily channel 20, be arranged such so that spray It head and the dismounting of nozzle casing 19 and connect more convenient, according to different pin thread diameter dimensions, installation cone cylinder can be corresponded to Taper α is suitable, 31 shape of nozzle opening is suitable, size is suitable and its suitable nozzle of arrangement on distribution grid 28, switching It is easy to install and use quick, meanwhile, nozzle opening 31 can be further such that the dope on pin thread be more uniformly comprehensive；Nozzle casing 19 oily channel 20 left end tool there are one inner conical surface 32, the outer surface of head of the trumpet 21 can with inner conical surface 32 is intact is bonded and is formed close The outer round surface of envelope, head of the trumpet 21 has a circle step 33, and the right side of step 33 can be bonded with the left side of nozzle casing 19 It contacts and further seals.

Specific work process：The automatic spray apparatus of the application can be fixedly installed on 1 hydraulic tongs 44 of drilling rod, mounting base 2 are fixedly installed on hydraulic tongs 44, and when hydraulic tongs 44 clamps drilling rod 1, and drilling rod 1 is located at rack rails 3, mounting base 2 limits When at the medial center of guide rail 7, staff can start motor 5 and hydraulic pump, and hydraulic pump is pumped into hydraulic oil to right chamber 13, pushes away Piston 11 is moved to the left, and resetting spring starts to stretch, and 12 pressure of left chamber increases, meanwhile, the dope of left chamber 12 passes through excessively oily Seam 25 and oil-through hole 26 enter in fixing sleeve 24, and dope with pressure further acts on guide plate 1 and guide plate 2 27 On, it is acted on head of the trumpet 21 by the dope of oil hole 23 on guide plate 1 and guide plate 2 27, and then push nozzle Core bar 18 overcomes the pulling force of tension spring 17 to move downward, and opens nozzle arrangements so that dope with pressure enters in nozzle, and from oil spout Hole 31 sprays, and to be sprayed on pin thread, ensures that the dope on pin thread uniformly and can be covered comprehensively, in the process, 5 rotation driven gear 6 of motor rotates, and gear 6 is meshed with rack rails 3, and guide part 9 is matched with limit guide rail 7,9 energy of guide part Enough prevent 4 rotation of walker, ensure gear 6 always with rack rails 3 is intact engages so that walker 4 can be automatically along the rail of rack rails 3 Mark move, that is, drive spray body relative to drilling rod 1 axis detour, with realize spray body to around 1 pin thread of drilling rod into The automatic spraying operation of row；

After spraying process, hydraulic pump is closed, closes driving medium entrance 15, opens driving media outlet 16, Resetting spring in tensional state begins return to initial position, and resetting spring band piston 11 returns to limit on the right-right-hand limit position, right Hydraulic oil in chamber 13 is by driving media outlet 16 to be discharged, and at this moment, the pressure in left chamber 12 is reduced to initial value, and tension spring 17 returns To initial position, and nozzle core bar 18 is driven to move right to initial position, and then closes oily channel 20.

Embodiment 2

As shown in Fig. 1,3,4,7 and 10, on the basis of embodiment 1,10 upper end of oil spout cavity is equipped with repairing structure, mends Oily structure includes oil storage cavity 34, and there is 10 upper end of oil spout cavity upper convex mouth 35,35 middle part of upper convex mouth to have cavity, upper convex mouth 35 It is fixedly connected and is extended into oil storage cavity 34 with oil storage cavity 34, spool 36, spool 36 are installed in the cavity of upper convex mouth 35 Outer surface and the inner wall of cavity between there is repairing gap 37, the upper end of spool 36 has limiting section 38, lower end with sealing Plate 39, limiting section 38 can contact limit with the upper surface of upper convex mouth 35, and the dope in oil storage cavity 34 can pass through limit Portion 38 enters in repairing gap 37 and then enters left chamber 12, the upper surface of sealing plate 39 can in 10 upper end of oil spout cavity Wall fitting contacts and forms sealing, specifically, is offered at the corresponding 10 upper end inner wall of oil spout cavity of cavity of upper convex mouth 35 Step groove 43, sealing plate 39 can be located in step groove 43, and end face can contact with the fitting of step groove 43 and form sealing thereon；Storage The lower end of oil cavity 34 has a lower convex mouth 40, and lower convex mouth 40 also has a cavity, upper convex mouth 35 extends into the cavity of lower convex mouth 40, And be fixedly connected with lower convex mouth 40, it is specially to be threadedly coupled herein, when the upper surface of limiting section 38 and upper convex mouth 35 contacts, limit The top in position portion 38 is less than the inner wall surface of 34 lower end of oil storage cavity.

Meanwhile it is specially Circular plate structure that the upper end of oil storage cavity 34, which has repairing mouth 42, limiting section 38, is opened up on plectane There are repairing hole 45, the lower face of plectane that can contact limit, the dope energy in oil storage cavity 34 with the upper surface of upper convex mouth 35 Repairing gap 37 is enough entered by repairing hole 45.

Specific work process：The course of work of repairing structure and the action process of piston 11 are to adaptation, in spraying process, Piston 11 squeezes left chamber 12 to the left, and pressure transmission is pushed up upwards to sealing plate 39, and by sealing plate 39 and spool 36, so that close Sealing plate 39 is interior into step groove 43 and end face contacts sealing with the fitting of step groove 43 thereon so that oil storage cavity 34 and left chamber 12 Partition, ensures that spraying process is smoothed out；In oil replenishing process, i.e., piston 11 resets to the right, and the pressure of left chamber 12 is gradually reduced, Spool 36 moves down under the effect of gravity so that sealing plate 39 leaves step groove 43, at this time limiting section 38 and upper convex mouth 35 Upper surface contact limit so that oil storage cavity 34 is connected to left chamber 12, and dope passes sequentially through repairing hole 45 and repairing gap 37 And enter in left chamber 12；Above-mentioned spraying process and oil replenishing process alternately, realizes repairing structure to oil spout cavity 10 Automatic repairing operation.

Embodiment 3

As shown in Fig. 1 to 3,11, on the basis of embodiment 2, it is provided with reversal switch 41 in limit guide rail 7, is reversely opened Pass is connected with the control circuit of motor 5, and guide part 9 can trigger reversal switch 41, and control motor 5 inverts in turn, meanwhile, Specifically in the installation of 4 bottom of walker there are four guide part 9, two limit guide rails 7 correspond to two guide parts 9, the bottom of guide part 9 respectively Portion is equipped with idler wheel 46, and the idler wheel 46 of bottom is contacted with the bottom of limit guide rail 7, and the inner end of guide part 9 and outboard end also divide Idler wheel 46 is not installed, the idler wheel 46 of side is contacted with the two sides of limit guide rail 7 respectively.

It should be noted that：When rack rails 3 and limit guide rail 7 are full circle, it can be not provided with reversal switch 41, gone at this time Walking frame 4 can drive spray body to turn-take operation around drilling rod 1, or a reversal switch 41, this reversal switch 41 can only be arranged The reversion of motor 5 can be controlled by being triggered every time, and the automatic spray apparatus of the application can be from top to bottom sleeved on drilling rod 1 at this time, I.e. drilling rod 1 is fixedly connected at the center of full circle, then with hydraulic tongs 44；

When rack rails 3 and limit guide rail 7 are not full circle, at this point, rack rails 3, mounting base 2 and 7 concrete structure of limit guide rail are It opens a gap on completely circular structure, then reversal switch 41, any of which reversal switch is respectively set at the both ends of limit guide rail 7 41, which are triggered, can control the reversion of motor 5 so that walker 4 can move back and forth in this section of 7 range of limit guide rail, and the present apparatus is Through being fixedly mounted on hydraulic tongs 44, this notch is corresponding with the notch of hydraulic tongs 44 so that the present apparatus can from side with Hydraulic tongs 44 clamps drilling rod 1 from side together, convenient and efficient, meanwhile, without having to worry about can not be 1 to the corresponding drilling rod of indentation, there It sets and is sprayed, because the dope that each nozzle opening 31 sprays on nozzle can cover certain range, therefore can ensure to lack 1 position of corresponding drilling rod also can effectively be sprayed at mouthful.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this All any modification, equivalent and improvement etc., should be included in the utility model made by within the spirit and principle of utility model Protection domain within.

Claims (10)

1. a kind of dope automatic spray apparatus, it is characterised in that：Automatic spray apparatus is used for a drilling rod（1）Pin thread spraying Dope, including walking mechanism and spray body；

The walking mechanism includes mounting base（2）, rack rails（3）, walker（4）, motor（5）, gear（6）And limit guide rail（7）, The rack rails（3）And limit guide rail（7）It is fixedly installed on the mounting base（2）On, the mounting base（2）, rack rails（3）And limit Guide rail（7）Around the drilling rod（1）Axis rotation extend, the motor（5）It is fixedly installed in the walker（4） On, the gear（6）With the motor（5）Export axis connection, the gear（6）With the rack rails（3）It is meshed, the walking Frame（4）Bottom is equipped with guide part（9）, the guide part（9）Extend into the limit guide rail（7）It is interior and be adapted, to described Walker（4）Relative to the drilling rod（1）Detour process limited and be oriented to；

The spray body includes oil spout cavity（10）And nozzle arrangements, the oil spout cavity（10）It is installed on the walker （4）On, the oil spout cavity（10）Piston is inside installed（11）, the piston（11）By the oil spout cavity（10）It is divided into a left side Chamber（12）And right chamber（13）, the right chamber（13）Interior installation has elastic component（14）, the elastic element（14）One end with it is described Piston（11）It is fixedly connected, another end and oil spout cavity（10）It is fixedly connected, the oil spout cavity（10）With driving medium entrance （15）With driving media outlet（16）, the driving medium entrance（15）With driving media outlet（16）With the right chamber（13） Connection, the nozzle arrangements are horizontally installed to the oil spout cavity（10）Left end and with the left chamber（12）Connection.

2. a kind of dope automatic spray apparatus according to claim 1, it is characterised in that：The nozzle arrangements include drawing Spring（17）, nozzle core bar（18）And nozzle casing（19）, the nozzle casing（19）It is fixedly installed in the oil spout cavity（10） Left end, the nozzle core bar（18）Across the nozzle casing（19）The oily channel at middle part（20）And extend into the left chamber （12）It is interior, the nozzle core bar（18）Left end tool there are one head of the trumpet（21）, the head of the trumpet（21）It can be with the nozzle cage Pipe（19）Left end fitting contact and intact sealing, the tension spring（17）Left end and the nozzle core bar（18）Right end fix Connection, right end and the oil spout cavity（10）It is fixedly connected.

3. a kind of dope automatic spray apparatus according to claim 2, it is characterised in that：The nozzle core bar（18）On With guide plate one（22）, the guide plate one（22）Positioned at the oily channel（20）Interior and its appearance and size and the oil are logical Road（20）Sectional dimension be adapted, the guide plate one（22）On offer oil hole（23）.

4. a kind of dope automatic spray apparatus according to claim 3, it is characterised in that：The oil spout cavity（10）'s It is installed with fixing sleeve on the inside of left end（24）, the fixing sleeve（24）Center line and the nozzle casing（19）Center line weight It closes, the nozzle core bar（18）Right end extend into the fixing sleeve（24）Cavity in, the fixing sleeve（24）Its length of upper edge Degree direction offered oil seam（25）, the fixing sleeve（24）Right end offer oil-through hole（26）, the nozzle core bar（18） Right end have guide plate two（27）, the guide plate two（27）Positioned at the fixing sleeve（24）Cavity in and its shape ruler The very little and fixing sleeve（24）Cavity cross-section size be adapted, the guide plate two（27）On also offer the oil hole （23）, the tension spring（17）Positioned at the fixing sleeve（24）Cavity in, and its left end and the guide plate two（27）It is fixed to connect It connects, right end and the fixing sleeve（24）It is fixedly connected.

5. a kind of dope automatic spray apparatus according to claim 2, it is characterised in that：The nozzle casing（19）'s Left end is equipped with nozzle, and the nozzle includes distribution grid successively from left to right（28）, cone cylinder portion（29）And cylindrical portion（30）, described Distribution grid（28）On offer several nozzle openings（31）, the cone cylinder portion（29）It is left large and right small, the cylindrical portion（30）With it is described Nozzle casing（19）Left end is threadedly coupled.

6. a kind of dope automatic spray apparatus according to claim 5, it is characterised in that：The nozzle casing（19）'s Oily channel（20）There are one inner conical surfaces for left end tool（32）, the head of the trumpet（21）Outer surface can be with the inner conical surface（32）It is intact It is bonded and is formed sealing, the head of the trumpet（21）Outer round surface have one circle step（33）, the step（33）Right side It can be with the nozzle casing（19）Left side fitting contact.

7. a kind of dope automatic spray apparatus according to any one of claims 1 to 6, it is characterised in that：The oil spout Cavity（10）Upper end is equipped with repairing structure, and the repairing structure includes oil storage cavity（34）, the oil spout cavity（10）Upper end With upper convex mouth（35）, the upper convex mouth（35）Middle part has cavity, the upper convex mouth（35）With the oil storage cavity（34）Gu It is fixed to connect and extend into the oil storage cavity（34）It is interior, the upper convex mouth（35）Cavity in spool is installed（36）, the valve Core（36）Outer surface and the inner wall of the cavity between have repairing gap（37）, the spool（36）Upper end have limit Portion（38）, lower end have sealing plate（39）, the limiting section（38）It can be with the upper convex mouth（35）Upper surface contact limit, The oil storage cavity（34）Interior dope can pass through the limiting section（38）Into the repairing gap（37）In, Jin Erjin Enter the left chamber（12）, the sealing plate（39）Upper surface can be with the oil spout cavity（10）The inner wall fitting contact of upper end And form sealing.

8. a kind of dope automatic spray apparatus according to claim 7, it is characterised in that：The oil storage cavity（34）'s Lower end has lower convex mouth（40）, the lower convex mouth（40）Also there is cavity, the upper convex mouth（35）Extend into lower convex mouth（40）'s In cavity and with lower convex mouth（40）It is fixedly connected, when the limiting section（38）With the upper convex mouth（35）Upper surface contact when, The limiting section（38）Top be less than the oil storage cavity（34）The inner wall surface of lower end.

9. a kind of dope automatic spray apparatus according to claim 8, it is characterised in that：The limit guide rail（7）It is interior It is provided with reversal switch（41）, the reversal switch and the motor（5）Control circuit be connected, the guide part（9）Energy Enough trigger the reversal switch（41）, and the motor is controlled in turn（5）Reversion.

10. a kind of dope automatic spray apparatus according to claim 9, it is characterised in that：The guide part（9）Bottom Portion is equipped with idler wheel（46）, the idler wheel of bottom（46）With the limit guide rail（7）Bottom contact, the guide part（9）It is interior Side and outboard end are also separately installed with idler wheel（46）, the idler wheel of side（46）Respectively with the limit guide rail（7）Two sides Contact.