CN206647065U - Drill dust trapping device - Google Patents

Abstract

It the utility model is related to a kind of drilling dust trapping device, including catching dirt box, the bottom for catching dirt box is hatch frame, catch drilling rod import that correspondence is respectively equipped with the forward and backward side wall of dirt box, being passed through for drilling rod and drilling rod outlet, also include setting up separately upper nozzle and lower nozzle in the upper and lower side in drilling rod import/export, lower nozzle is used to carry out catching dirt between dirt box under shed and drilling rod import/export in catching in catching dirt box.Upper and lower shower nozzle is connected with water supply installation using preceding, dirt box then will be caught and be fixed at drilling orifice, drilling rod is extend into drilling via the drilling rod import and export caught on dirt box, to carry out bore operation；Water supply installation is opened while drilling, upper nozzle is used to carry out catching dirt between drilling rod import and drilling rod outlet；Lower nozzle is used in drilling rod import/export and catches and carry out catching dirt between dirt box bottom opening；Prevent that compared to prior art, dedusting is more thorough, and dust removing effects are more preferable from dirt cassette bottom portion opening leaks are caught for dust.

Description

Drill dust trapping device

Technical field

It the utility model is related to a kind of drilling dust trapping device.

Background technology

Underground coal mine locally lies in gas abnormal area, to ensure safety in production, prevents gas accident, need to strictly press Administered according to gas preventing and control " quaternity ", during Specific construction, it is necessary in underground construction gas release aperture and region Prediction drilling, after meeting coal seam in work progress, use according to regulations cinder in wind-force tap, in tapping process coal dust compared with Greatly, the workmen's operation of tunnel rear and equipment normal operation are influenceed, it is necessary to carry out depositing dust processing in aperture.

The Chinese invention patent application that publication No. is CN102042026A, date of publication is 2011.05.04 discloses a kind of coal Mining dense shallow hole trap, including for drilling when for drilling in dust enter blending bin, blending bin formed catch dirt case, Catch and the corresponding drilling rod perforation passed through for drilling rod is respectively equipped with the forward and backward side wall of dirt case, the roof for catching dirt case is provided with spray Mist mouth, it is hatch frame to catch dirt bottom wall, catches and is additionally provided with sheath in drilling rod perforated peripheral on dirt case front side wall, sheath is with catching dirt case Inner chamber connects；Dirt case will be caught during use to be fixed at drilling orifice, sheath is extend into drilling, and drilling rod passes through and catches dirt case, sheath And extend into drilling, fog-spray nozzle is connected with water source, and interval of the dust in drilling between drilling rod and sheath, which enters, catches dirt In box, the water smoke that fog-spray nozzle sprays catches the dust progress dedusting of dirt box to entering.

During use, it may perforate and arrange from another drilling rod caught in dirt box side wall into the dust part caught in dirt box Go out, another part may be discharged from dirt box open lower side is caught.During fog-spray nozzle spray for dust suppression, in order that the danger such as gas in drilling Gas is discharged well, and the water smoke that fog-spray nozzle sprays can not will catch on dirt box and be needed close to the drilling rod perforation closure of drilling, fog-spray nozzle To be set with catching the drilling rod punched interval on dirt box close to drilling.Like this, in fog-spray nozzle spray for dust suppression, one is still had Point dust is by fog-spray nozzle and catches the interval between dirt box side wall and is discharged from dirt box under shed is caught, and causes dedusting not thorough, dedusting Effect is poor.

Utility model content

The purpose of this utility model is to provide a kind of drilling dust trapping device, to solve existing dust trapping device dedusting effect The problem of fruit is poor.

To achieve the above object, the technical scheme of drilling dust trapping device of the present utility model is：Drilling dust trapping device includes Catch dirt box, the bottom for catching dirt box is hatch frame, catch be respectively equipped with the forward and backward side wall of dirt box correspondence, wear for drilling rod The drilling rod import crossed and drilling rod outlet, in addition to set up the upper nozzle and lower nozzle in the upper and lower side in drilling rod import/export, lower nozzle separately For carrying out catching dirt between dirt box under shed and drilling rod import/export in catching in catching dirt box.

Described upper nozzle has two or more, and more than two upper nozzles set up separately in drilling rod import/export radially opposite sides.

Described lower nozzle has at least one pair of, and two lower nozzles in any pair of lower nozzle set up separately relative in catch dirt box two In the side wall of setting and position correspondence.

Centre position between described upper nozzle and/or lower nozzle and described drilling rod import and drilling rod outlet is corresponding.

Described upper nozzle and/or lower nozzle is connected with connecting tube, and connecting tube, which passes through to catch dirt box side wall and extend, catches dirt box Inner side, upper and lower shower nozzle are arranged on the inserting end of corresponding connecting tube.

The lower section for catching the left and right side wall of dirt box is respectively facing to catch and tilted on the inside of dirt box, is formed so as to catch dirt cassette bottom portion Throat structure.

The forward and backward side wall for catching dirt box is provided with the forward and backward sheath being coaxially disposed with corresponding drilling rod import or drilling rod outlet.

Catch and be arranged with the forward and backward side wall of dirt box in the periphery of corresponding preceding sheath or rear sheath for being formed to corresponding sheath The support set of support.

Described forward and backward sheath is made up of metallic copper.

The beneficial effects of the utility model are：Upper and lower shower nozzle is connected with water supply installation using preceding, dirt box then will be caught and consolidate It is scheduled at drilling orifice, drilling rod is extend into drilling via the drilling rod import and export caught on dirt box, to carry out bore operation；Drilling While water supply installation is opened, upper nozzle be used for drilling rod import and drilling rod outlet between carry out catching dirt；Lower nozzle is used for Drilling rod import/export and catch and carry out catching dirt between dirt box bottom opening；Dust is prevented from dirt cassette bottom portion opening leaks are caught, compared to existing Technology, dedusting is more thorough, and dust removing effects are more preferable.

Brief description of the drawings

Fig. 1 is the front view of the specific embodiment of drilling dust trapping device of the present utility model；

Fig. 2 is Fig. 1 side view；

Fig. 3 is Fig. 1 top view.

Embodiment

Embodiment of the present utility model is described further below in conjunction with the accompanying drawings.

The specific embodiment of drilling dust trapping device of the present utility model, as shown in Figure 1 to Figure 3, including catches dirt box 1, catches dirt The bottom of box 1 is hatch frame, and the front and back walls for catching dirt box 1 are planar wall, catch the lower section and the right side of the left side wall of dirt box 1 The lower section of wall, which is respectively facing, catches the inclination of the inner side of dirt box 1, so that catching the lower portion of dirt box 1 forms throat structure.

Catch be respectively equipped with the forward and backward side wall of dirt box 1 correspondence for drilling rod through drilling rod perforation, drilling rod leads to during use The drilling rod perforation crossed on front side wall, which enters, catches dirt box 1, and the drilling rod on front side wall perforates to form drilling rod import 5a；Drilling rod is via catching dirt Drilling rod on the rear wall of box 1 passes, and the drilling rod on rear wall perforates to form drilling rod outlet 5b.

Catch in the forward and backward side wall of dirt box 1 in catching the outside of dirt box 1, be respectively equipped with support in the periphery of corresponding drilling rod perforation Set 8, support set 8 are coaxially disposed with the perforation of corresponding drilling rod.Catch and be coated with preceding shield in corresponding support set 8 on the front side wall of dirt box 1 6a is covered, catches and is coated with rear sheath 6b in corresponding support set 8 on the rear wall of dirt box 1；Sheath 6a grows sheath 6b earlier above afterwards；Use When before sheath 6a be on the outside of earth-boring, rear sheath 6b is then extend into inside earth-boring, and forward and backward sheath is by metal copper Into.

Catch in dirt box 1 and be provided with lower nozzle provided with upper nozzle, in the downside of drilling rod perforation in drilling rod perforation upside, upper nozzle has Two, respectively upper nozzle 2a and upper nozzle 2b, two upper nozzles are respectively corresponding with connecting tube 4 on one, and upper connecting tube 4 is along the vertical direction The inner side of dirt box 1 is caught through the roof for catching dirt box 1 and extending into, two upper nozzles are arranged on the inserting end of corresponding upper connecting tube 4.

Upper nozzle 2a and upper nozzle 2b or so are corresponding, and upper nozzle 2a and upper nozzle 2b set up separately in drilling rod import/export radial direction two Side, and two upper nozzles axially export 5b intervals in drilling rod import/export with drilling rod, the water curtain sprayed when preventing from using from upper nozzle will Drilling rod outlet 5b closure.

Lower nozzle has two, respectively lower nozzle 3a and lower nozzle 3b；Two lower nozzles are respectively corresponding with connecting tube 9, and two Lower connecting tube 9 sets up separately on the left and right side wall of dirt box 1 is caught, and is in and catches at the necking of the left and right side wall the lower section of dirt box 1, and two Lower connecting tube 9 passes through to catch the side wall of dirt box 1 and be hung in left-right direction catches the inner side of dirt box 1, and lower connecting tube 9 is fixed with catching dirt box 1 Connection, two lower nozzles 3 are separately positioned on the projecting end of corresponding lower connecting tube 9, and lower nozzle 3a and lower nozzle 3b or so are corresponding.

The external port of lower connecting tube 9 is connected with flexible pipe, and the other end of flexible pipe is connected to corresponding upper connecting tube 4 and catches dirt box 1 On the same three-way connection 7 of upside, three-way connection 7 has two, connects respectively for catching the upper and lower connecting tube of the left and right side of dirt box 1 Connect.Two three-way connections, 7 remaining interface is connected in connection with stop valve 10, and stop valve 10 has switch, is also set on stop valve 10 Having can watering connection connector.

Stop valve 10 is connected with water pipe using preceding, dirt box 1 will be caught fixed at drilling orifice, rear sheath 6b extend into brill On the inside of hole, drilling rod is extend into drilling through inner/outer sheath, carries out bore operation, opens stop valve 10 while drilling, Upper and lower shower nozzle sprays water smoke, and interval of the dust between drilling rod and rear sheath 6b in drilling, which enters, catches in dirt box 1.

Into the dust part for catching dirt box 1 may be discharged from drilling rod import 5a, another part may be opened from catching under dirt box 1 Mouth discharge；The water smoke sprayed from two upper nozzles is used for that may carry out dedusting from the dust that drilling rod import 5a is discharged, from twice sprays The water smoke that head sprays is used for that may carry out dedusting from the dust for catching the discharge of the under shed of dirt box 1；Compared to prior art, dedusting is more Thoroughly, effect is more preferable.

In other embodiments, the quantity of upper and lower shower nozzle can be adjusted according to being actually needed, and upper and lower shower nozzle can be with Respectively there is one, can also respectively there is two or more.

In other embodiments, upper and lower connecting tube can be not provided with, directly upper and lower shower nozzle is fixed on and catches dirt box side wall On.

In other embodiments, preceding sheath can also be not provided with.

Claims (9)

1. drill dust trapping device, including catches dirt box, the bottom for catching dirt box is hatch frame, is caught in the forward and backward side wall of dirt box respectively Drilling rod import provided with correspondence, being passed through for drilling rod and drilling rod outlet, it is characterised in that：Also include setting up separately to enter in drilling rod/ Export the upper nozzle and lower nozzle of upper and lower side, lower nozzle be used in catching dirt box in catching between dirt box under shed and drilling rod import/export Carry out catching dirt.

2. drilling dust trapping device according to claim 1, it is characterised in that：Described upper nozzle has a two or more, two Upper nozzle above sets up separately in drilling rod import/export radially opposite sides.

3. drilling dust trapping device according to claim 1, it is characterised in that：Described lower nozzle has at least one pair of, arbitrarily Two lower nozzles in a pair of lower nozzles set up separately in the side wall being oppositely arranged in catch dirt box two and position correspondence.

4. the drilling dust trapping device according to any one of claims 1 to 3, it is characterised in that：Described upper nozzle and/or under Centre position between shower nozzle and described drilling rod import and drilling rod outlet is corresponding.

5. the drilling dust trapping device according to any one of claims 1 to 3, it is characterised in that：Described upper nozzle and/or under Shower nozzle is connected with connecting tube, and connecting tube is passed through to catch dirt box side wall and extend and caught on the inside of dirt box, and upper and lower shower nozzle is arranged on corresponding connection The inserting end of pipe.

6. the drilling dust trapping device according to any one of claims 1 to 3, it is characterised in that：Catch the left and right side wall of dirt box The lower section is respectively facing to catch and tilted on the inside of dirt box, so that catching dirt cassette bottom portion forms throat structure.

7. the drilling dust trapping device according to any one of claims 1 to 3, it is characterised in that：Catch in the forward and backward side wall of dirt box Provided with the forward and backward sheath being coaxially disposed with corresponding drilling rod import or drilling rod outlet.

8. drilling dust trapping device according to claim 7, it is characterised in that：Catch in the forward and backward side wall of dirt box before corresponding The periphery of sheath or rear sheath is arranged with the support set for forming support to corresponding sheath.

9. drilling dust trapping device according to claim 7, it is characterised in that：Described forward and backward sheath is made up of metallic copper.