CN203515312U - Jackdrill with hexagonal drill rod with rubber coakeslet shank collar capable of being cooled - Google Patents

Jackdrill with hexagonal drill rod with rubber coakeslet shank collar capable of being cooled Download PDF

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Publication number
CN203515312U
CN203515312U CN201320531618.1U CN201320531618U CN203515312U CN 203515312 U CN203515312 U CN 203515312U CN 201320531618 U CN201320531618 U CN 201320531618U CN 203515312 U CN203515312 U CN 203515312U
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China
Prior art keywords
drill
rubber
cooling
steels
head
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Withdrawn - After Issue
Application number
CN201320531618.1U
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Chinese (zh)
Inventor
李永胜
陈茹
王维林
何小宏
张辉
张婕妤
张凤琴
李长胜
管志坚
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Weifang Tianrui Heavy Industry Drillong Machinery Co Ltd
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Weifang Tianrui Heavy Industry Drillong Machinery Co Ltd
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Priority to CN201320531618.1U priority Critical patent/CN203515312U/en
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Publication of CN203515312U publication Critical patent/CN203515312U/en
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Abstract

The utility model discloses a jackdrill with a hexagonal drill rod with a rubber coakeslet shank collar capable of being cooled. The jackdrill comprises a machine head, a piston is installed in the machine head, a water injection pipe is arranged in the piston, a hexagonal sleeve is arranged on the position, close to the front end of the piston, in the machine head, the hexagonal drill rod is connected into the hexagonal sleeve in an inserted mode, the rubber coakeslet shank collar is installed on the position, close to the front end of the hexagonal sleeve, of the hexagonal drill rod, and a cooling system used for simultaneously cooling the hexagonal drill rod and the rubber coakeslet shank collar is arranged in the machine head. Because the rubber coakeslet shank can be cooled, the failure mode of the hexagonal drill rod is replaced by normal wear and scrapping. Blast hole drilling cost in coal mines, metallurgy, railways, traffics, water conservancy, capital construction and national defense rock excavation is greatly reduced, and the popularization and use of novel rubber coakeslet shank collar type drill rods and the rapid development of the drill industry of China are promoted.

Description

A kind of hammer drill that can cooling rubber corselet shoulder type six side's drill steels
Technical field
The utility model relates to a kind of hammer drill, relate to specifically in a kind of colliery, metallurgy, railway, traffic, water conservancy, capital construction and national defence stonework use in batches can cooling rubber corselet shoulder type six side's drill steels hammer drill.
Background technology
The operating principle of hammer drill is: the compressed air of the air compressor machine of take output is power, by aggressive valve control piston, move back and forth, and during stroke, piston impact drill steel and bore bit cutter crushed rocks; During backhaul, piston driving drill steel and bore bit turn round certain angle.Continuous impact, revolution make drill steel and bore bit on rock, dig out circular big gun hole.
The impact energy of hammer drill and rotation are that the drill steel by being inserted in six square set holes transmits, in order to guarantee that hammer drill can normally be worked and the stable impact stroke of hammer drill piston, on drill steel, be provided with a shank collar, the six square set end contacts that press-fit in itself and hammer drill rotary sleeve, limit drill steel and stretched into the size in hammer drill, thereby guaranteed the stable impact stroke of hammer drill piston.Another effect of shank collar be with hammer drill on the card pricker device acting in conjunction that configures limit the disengagement of drill steel and hammer drill.
The fastening structure of traditional card pricker device adopts spring nut device, the vibration that card pricker device produces along with hammer drill, nylon nut gradually loosening spring strength simultaneously weakens, the power that tightens up of card pricker device along with reducing in free state.Lose the limitation function to drill steel.
The shank collar pattern of the supporting use six side's drill steels of hammer drill is divided into two kinds.Be on drill steel, directly to forge upsetting to go out a shank collar, be monolithic.Its failure form is mainly that drill steel ruptures from shank collar, and whole drill steel can not normally be used and scrap because shank collar ruptures.In practice of construction is used, often can there is a brand-new drill steel and dig 3-4 big gun hole drill steel from shank collar phenomenon of rupture in hammer drill, cause the raising of rock drilling big gun hole cost.Another kind is rubber corselet shoulder type drill steel.Rubber corselet shoulder type drill steel is on drill steel, to add separately shank collar, the good rubber of Strength of backfill and abrasion resistance between shank collar and drill steel.Rubber corselet shoulder type drill steel has solved the problem of drill steel from shank collar fracture, and use cost is low, recoverability good, is a much progress of drilling tool industry development.The failure form of rubber corselet shoulder type drill steel is, between shank collar and drill steel, relative displacement occurs.Once the rock penetration performance that hammer drill occurs to affect for this relative displacement is hammer drill cisco unity malfunction even.Through a large amount of test and checkings, the root that rubber corselet shoulder type drill steel lost efficacy is the continuous firing along with hammer drill, and shank collar place has gathered a large amount of heats, causes temperature to raise, charges rubber deforms, strength decreased, and relative displacement has occurred for drill steel and shank collar.
Utility model content
The problem that the utility model creation will solve is to provide a kind of shank collar of rubber corselet shoulder type drill steel that can make in rock drilling process can access fully cooling hammer drill.By the cooling shank collar temperature stabilization that makes, in 20 ℃ of left and right of normal temperature, make keeping between shank collar and drill steel the due power of tightening up, thereby avoid drill steel and shank collar to produce displacement, improve the application life of drill steel.
In order to address the above problem, the utility model is created by the following technical solutions:
A kind of hammer drill that can cooling rubber corselet shoulder type six side's drill steels, comprise head, in described head, piston is installed, in described piston, be provided with water injection pipe, position near piston nose in described head is provided with six square sets, in described six square sets, be plugged with six side's drill steels, the position near six square set front ends on described six side's drill steels is provided with rubber corselet shank collar, is provided with the cooling system for cooling six side's drill steels of while and rubber corselet shank collar in described head.
Below the further optimization of the utility model to such scheme:
Cooling system comprises the water storage cavity being arranged between the rear end of six square sets and the rear end of six side's drill steels, and described water storage cavity is communicated with water injection pipe.
Further optimize: the front end edge circumferencial direction of described six square sets is provided with the hole for water spraying that several can cooling rubber corselet shank collar, the excircle of the middle rear end of described six square sets is provided with several exhalant canals being communicated with water storage cavity, in described six square sets, at hole for water spraying, is provided with the position between exhalant canal the catch basin being communicated with hole for water spraying and exhalant canal respectively.
Further optimize: between the housing of described six square sets and head, by rotary sleeve, be connected.
Further optimize: described rubber corselet shank collar comprises the rubber sleeve of tight parcel six side's drill steels, described rubber sleeve be externally connected to banding cover.
Further optimize: it is characterized in that: six side's drill steels are fixed by card pricker device.
Further optimize: described card pricker device comprises the arc card pricker body of two parallel arranged, the front end of described two card pricker bodies connects as one and is bent upwards and forms upper bend, and described reflecting plate is fixedly installed on the outside of bend.
Further optimize: the rear end of described two card pricker bodies lays respectively at the both sides of head and rotated and link with head by card pricker device axle and liner.
Further optimize: the both sides of described head are respectively equipped with the lug grooves that is used for fixing card pricker device.
Further optimize: when hammer drill operation obliquely, after the ejection of the water of cooling rubber corselet shank collar, part water, along six side's drill steels and head towards operator's direction flowing water, is made troubles to operator.In order to overcome this phenomenon, the front end of described card pricker device is fixedly connected with reflecting plate; The front end of head is installed with watertight shutter.Along with the increase of the rock drilling degree of depth, the water that rinses big gun hole can flow to operator along drill steel, and watertight shutter just can change the flow direction of this part water, has facilitated operation, and when hammer drill is shut down, cooling water is just truncated.
During assembling, first six square sets are pressed fit in rotary sleeve, then by its whole loading unit endoporus; In the hole arranging on card pricker device axial compression loading unit, two inserts are contained on card pricker device axle, then card pricker body is sleeved on liner.When six side's drill steels insert in six square sets, when card pricker device is pressed to two lug grooves that arrange on head, card pricker device can be along axially the expanding outwardly of two liners, and card pricker device just enters into two lug grooves, limit the separated of six side's drill steels and six square sets, thereby six side's drill steels and rock drilling are combined as a whole.
When upwards carrying card pricker device, card pricker device can be along axially the expanding outwardly of two liners, and card pricker device just can be thrown off in two lug grooves, and six side's drill steels just can take out from six square sets, thereby throw off with hammer drill.
When hammer drill starts rock drilling, from the water of water pipe head access, enter into water injection pipe, the water part water spraying from water injection pipe flows to rapidly water storage cavity, a part directly enters into the exhalant canal through rotary sleeve and the formation of six square sets, several hole for water sprayings of arranging from six square sets again spray to rubber corselet shank collar, the water that part is divergent state is reflected the front end that plate reflexes to rubber corselet shank collar, and rubber corselet shank collar has obtained cooling fully.
Due to cooling water continuously spray-dip on rubber corselet shank collar, no matter therefore hammer drill work how long, the temperature of rubber corselet shank collar remains on 20 ℃ of left and right always, and charges rubber can not deform, strength decreased, and six side's drill steels and rubber corselet shank collar can not be subjected to displacement.Obtain widely the application life of drill steel like this having extended.
The utility model adopts such scheme, has the following advantages:
1. pair rubber corselet shank collar carries out coolingly, has changed the failure form of six side's drill steels, is converted to normal wear and scraps.Greatly reduce the cost in rock drilling big gun hole in colliery, metallurgy, railway, traffic, water conservancy, capital construction and national defence stonework, promoted the fast development with China's drilling tool industry of promoting the use of of new type rubber corselet shoulder type drill steel simultaneously.
2. configured the card pricker device of special construction, reliable and stable to the limit function of six side's drill steels.Changed the existing drawback with the card pricker device configuring on hammer drill.
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Accompanying drawing explanation
Accompanying drawing 1 is the structural representation of the utility model embodiment;
Accompanying drawing 2 is the top view of accompanying drawing 1;
Accompanying drawing 3 is that A-A in accompanying drawing 1 is to sectional view;
Accompanying drawing 4 is that B-B in accompanying drawing 1 is to sectional view;
Accompanying drawing 5 is the structural representation of rubber corselet shank collar in the utility model embodiment;
Accompanying drawing 6 is for blocking the structural representation of pricker device in the utility model embodiment;
Accompanying drawing 7 is the top view of accompanying drawing 6;
Accompanying drawing 8 is the structural representation of six square sets in the utility model embodiment;
Accompanying drawing 9 is that C-C in accompanying drawing 8 is to sectional view.
In figure: 1-head; 2-rotary sleeve; 3-six square sets; 31-hexagonal hole; 32-catch basin; 4-rubber corselet shank collar; 41-banding cover; 42-rubber sleeve; 5-six side's drill steels; 6-card pricker device; 60-card pricker body; The upper bend of 61-; Bend under 62-; 8-liner; 9-lug grooves; 10-card pricker device axle; 11-water injection pipe; 12-piston; 13-reflecting plate; 14-watertight shutter; 15-water pipe head; A-water storage cavity; B-exhalant canal; C-hole for water spraying.
The specific embodiment
Embodiment, as shown in Figure 1 and Figure 2, a kind of hammer drill that can cooling rubber corselet shoulder type six side's drill steels, comprise head 1, in described head 1, piston 12 is installed, in described piston 12, is provided with water injection pipe 11, the interior position near piston nose of described head 1 is provided with six square sets 3, in described six square sets 3, can be plugged with six side's drill steels 5, between the housing of described six square sets 3 and head 1, by rotary sleeve 2, be connected;
Position near six square set 3 front ends on described six side's drill steels 5 is provided with the rubber corselet shank collar 4 that prevents six side's drill steel 5 fractures;
In described head 1, be provided with the cooling system for cooling six side's drill steels 5 of while and rubber corselet shank collar 4.Cooling system comprises the water storage cavity a being arranged between the rear end of six square sets 3 and the rear end of six side's drill steels 5, and described water storage cavity a is communicated with water injection pipe 11.
Six side's drill steels 5 are by 6 fixed installations of card pricker device.The rear end of described card pricker device 6 is rotated and is linked by card pricker device axle 10 and liner 8 respectively with the both sides of head 1.The both sides of described head 1 are respectively equipped with the lug grooves 9 that is used for fixing card pricker device 6.
The front end of described card pricker device 6 is fixedly connected with reflecting plate 13;
When hammer drill operation obliquely, after the water of cooling rubber corselet shank collar 4 ejection, part water, along six side's drill steels 5 and precursor towards operator's direction flowing water, is made troubles to operator.In order to overcome this phenomenon, at the front end of head 1, by screw-nut, be installed with watertight shutter 14.Along with the increase of the rock drilling degree of depth, the water that rinses big gun hole can flow to operator along drill steel, and watertight shutter 14 just can change the flow direction of this part water, has facilitated operation, and when hammer drill is shut down, cooling water is just truncated.
As shown in Fig. 3, Fig. 4, Fig. 8, Fig. 9, the front end edge circumferencial direction of described six square sets 3 is provided with the hole for water spraying c that several can cooling rubber corselet shank collar 4, the excircle of the middle rear end of described six square sets 3 is provided with several exhalant canal b being communicated with water storage cavity a, in described six square sets 3, at hole for water spraying c, is provided with the position between exhalant canal b the catch basin 32 being communicated with hole for water spraying c and exhalant canal b respectively.
As shown in Figure 5, described rubber corselet shank collar 4 comprises the rubber sleeve 42 of tight parcel six side's drill steels 5, and the banding that is externally connected to of described rubber sleeve 42 overlaps 41.
As shown in Figure 6, Figure 7, described card pricker device 6 comprises the arc card pricker body 60 of two parallel arranged, the front end of described two card pricker bodies 60 connects as one and is bent upwards and forms upper bend 61, and described reflecting plate 13 is fixedly installed on the outside of bend 61.
The rear end of described two card pricker bodies 60 lays respectively at the both sides of head 1 and is rotated and link with head 1 by card pricker device axle 10 and liner 8.
During assembling, first six square sets 3 are pressed fit in rotary sleeve 2, then by its whole loading unit 1 endoporus; Card pricker device axle 10 presses fit in the hole arranging on head 1, and two liners 8 are sleeved on card pricker device axle 10, then card pricker body 6 is sleeved on liner 8.When six side's drill steels 5 insert in six square sets 3, when card pricker device 6 is pressed to two lug grooves 9 that arrange on head 1, card pricker device 6 meetings axially expanding outwardly along two liners 8, card pricker device 6 just enters into two lug grooves 9, limit the separated of six side's drill steels 5 and six square sets 3, thereby six side's drill steels 5 are combined as a whole with rock drilling;
When upwards carrying card pricker device 6,6 meetings of card pricker device axially expand outwardly along two liners 8, and card pricker device 6 just can be from the interior disengagement of two lug grooves 9, and six side's drill steels 5 just can take out from six square sets 3, thereby throw off with hammer drill.
When hammer drill starts rock drilling, from the water of water pipe head 15 accesses, enter into water injection pipe 11, from water injection pipe 11, the water of ejection part water flows to rapidly water storage cavity a, a part directly enters into the exhalant canal b through rotary sleeve 3 and six square sets 4 formation, several hole for water sprayings C arranging from six square sets 3 again sprays to rubber corselet shank collar 4, the water that part is divergent state is reflected the front end that plate 13 reflexes to rubber corselet shank collar 4, and rubber corselet shank collar 4 has obtained cooling fully.
Due to cooling water continuously spray-dip on rubber corselet shank collar 4, no matter therefore hammer drill work how long, the temperature of rubber corselet shank collar 4 remains on 20 ℃ of left and right always, and charges rubber can not deform, strength decreased, and six side's drill steels 5 can not be subjected to displacement with rubber corselet shank collar 4.Obtain widely the application life of drill steel like this having extended.

Claims (10)

  1. One kind can cooling rubber corselet shoulder type six side's drill steels hammer drill, comprise head (1), piston (12) is installed in described head (1), in described piston (12), be provided with water injection pipe (11), position near piston nose in described head (1) is provided with six square sets (3), in described six square sets (3), be plugged with six side's drill steels (5), the upper position near six square sets (3) front end of described six side's drill steels (5) is provided with rubber corselet shank collar (4), it is characterized in that: in described head (1), be provided with the cooling system for cooling six side's drill steels (5) of while and rubber corselet shank collar (4).
  2. 2. a kind of hammer drill that can cooling rubber corselet shoulder type six side's drill steels according to claim 1, is characterized in that:
    Cooling system comprises the water storage cavity (a) being arranged between the rear end of six square sets (3) and the rear end of six side's drill steels (5), and described water storage cavity (a) is communicated with water injection pipe (11).
  3. 3. a kind of hammer drill that can cooling rubber corselet shoulder type six side's drill steels according to claim 2, it is characterized in that: the front end edge circumferencial direction of described six square sets (3) is provided with the hole for water spraying (c) that several can cooling rubber corselet shank collar (4), the excircle of the middle rear end of described six square sets (3) is provided with several exhalant canals (b) being communicated with water storage cavity (a), is positioned at hole for water spraying (c) and is provided with the position between exhalant canal (b) catch basin (32) being communicated with hole for water spraying (c) and exhalant canal (b) respectively in described six square sets (3).
  4. 4. a kind of hammer drill that can cooling rubber corselet shoulder type six side's drill steels according to claim 3, is characterized in that: between the housing of described six square sets (3) and head (1), by rotary sleeve (2), be connected.
  5. 5. a kind of hammer drill that can cooling rubber corselet shoulder type six side's drill steels according to claim 4, it is characterized in that: described rubber corselet shank collar (4) comprises the rubber sleeve (42) of tight parcel six side's drill steels (5), described rubber sleeve (42) be externally connected to banding cover (41).
  6. 6. a kind of hammer drill that can cooling rubber corselet shoulder type six side's drill steels according to claim 5, is characterized in that: six side's drill steels (5) are fixing by card pricker device (6).
  7. 7. a kind of hammer drill that can cooling rubber corselet shoulder type six side's drill steels according to claim 6, it is characterized in that: described card pricker device (6) comprises the arc card pricker body (60) of two parallel arranged, the front end of described two card pricker bodies (60) connects as one and is bent upwards and forms upper bend (61), and the front end of described card pricker device (6) is fixedly connected with reflecting plate (13); Described reflecting plate (13) is fixedly installed on the outside of bend (61).
  8. 8. a kind of hammer drill that can cooling rubber corselet shoulder type six side's drill steels according to claim 7, is characterized in that:
    The rear end of described two card pricker bodies (60) lays respectively at the both sides of head (1) and is rotated and link with head (1) by card pricker device axle (10) and liner (8).
  9. 9. a kind of hammer drill that can cooling rubber corselet shoulder type six side's drill steels according to claim 8, is characterized in that: the both sides of described head (1) are respectively equipped with the lug grooves (9) that is used for fixing card pricker device (6).
  10. 10. a kind of hammer drill that can cooling rubber corselet shoulder type six side's drill steels according to claim 9, is characterized in that: the front end of head (1) is installed with watertight shutter (14).
CN201320531618.1U 2013-08-29 2013-08-29 Jackdrill with hexagonal drill rod with rubber coakeslet shank collar capable of being cooled Withdrawn - After Issue CN203515312U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320531618.1U CN203515312U (en) 2013-08-29 2013-08-29 Jackdrill with hexagonal drill rod with rubber coakeslet shank collar capable of being cooled

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103410439A (en) * 2013-08-29 2013-11-27 潍坊天瑞重工凿岩机械有限公司 Rock drilling machine capable of cooling rubber cokeslet steel collar type hexagonal drill rod
CN104897016A (en) * 2015-06-29 2015-09-09 唐立华 Safe, efficient and environment-friendly rock blasting device and blasting method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103410439A (en) * 2013-08-29 2013-11-27 潍坊天瑞重工凿岩机械有限公司 Rock drilling machine capable of cooling rubber cokeslet steel collar type hexagonal drill rod
CN103410439B (en) * 2013-08-29 2015-12-02 潍坊天瑞重工凿岩机械有限公司 The hammer drill of rubber corselet shoulder type six side drill steel can be cooled
CN104897016A (en) * 2015-06-29 2015-09-09 唐立华 Safe, efficient and environment-friendly rock blasting device and blasting method

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GR01 Patent grant
C25 Abandonment of patent right or utility model to avoid double patenting
AV01 Patent right actively abandoned

Granted publication date: 20140402

Effective date of abandoning: 20151202