CN202575815U - Steel wire rope guide device and rotary drilling rig provided with same - Google Patents
Steel wire rope guide device and rotary drilling rig provided with same Download PDFInfo
- Publication number
- CN202575815U CN202575815U CN 201220180890 CN201220180890U CN202575815U CN 202575815 U CN202575815 U CN 202575815U CN 201220180890 CN201220180890 CN 201220180890 CN 201220180890 U CN201220180890 U CN 201220180890U CN 202575815 U CN202575815 U CN 202575815U
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- hole
- pulley
- line guide
- wire line
- drilling rig
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Abstract
The utility model provides a steel wire rope guide device and a rotary drilling rig provided with the same. The steel wire rope guide device is used for the rotary drilling rig and comprises a fixing seat, a pulley wheel bracket and a pulley wheel, wherein the fixing seat is used for being mounted on a mast of the rotary drilling rig; the pulley wheel is mounted on the pulley wheel bracket and the pulley wheel is provided with a slide groove which is matched with a steel wire rope; the pulley wheel bracket is located below the fixing seat and the pulley wheel bracket is rotatably connected with the fixing seat through a rotary device; a rotary axis of the rotary device is vertical to the axis of a main winch winding drum of the rotary drilling rig, and the axis of the pulley wheel is vertical to the rotary axis; a first through hole through which the steel wire rope can pass is formed at a rotary center of the rotary device; the central line of the first through hole is overlapped with the rotary axis. The steel wire rope guide device disclosed by the utility mode has the advantages of simple structure and low cost. The utility model further provides the rotary drilling rig provided with the steel wire rope guide device.
Description
Technical field
The utility model relates to engineering machinery field, more specifically, relates to a kind of wire line guide and has its rotary drilling rig.
Background technology
Rotary drilling rig is widely used in the pile hole construction, and the mounting means of rotary drilling rig master winch has two kinds: a kind of is that master winch is installed on the mast, belongs to the preposition installation of master winch; Another kind is installed in master winch on the chassis, belongs to the rearmounted installation of master winch.The steel rope system that the rearmounted rotary drilling rig of master winch uses is single rope winding system, is connected with drilling rod after the steel rope that is stretched out by the master winch reel is walked around the cathead on the mast.But the master winch postposition can make the mast of rotary drilling rig bear big moment of flexure backward; For addressing this problem; On mast, be provided with wire line guide; Make the steel rope that stretches out from the master winch reel walk around behind the pulley of wire line guide winding again and cross cathead, thereby improved the stressing conditions of mast.
A kind of representative type wire line guide comprises in the prior art: pulley bracket is fixed on the mast; Sheave shaft is installed on the pulley bracket, and the axis of sheave shaft and the axis of master winch parallel; Pulley is set on the sheave shaft, and can on sheave shaft, slide vertically.Pulley is crossed in the steel rope winding, and pulley plays guiding and support function to steel rope.In the steel rope motion process; The rope belt movable pulley axially slidably reciprocates along sheave shaft, when moving to the center except steel rope and pulley pulley is not produced lateral pressure, and steel rope all produces bigger lateral pressure to pulley when other positions; The wearing and tearing of steel rope and pulley have so just been quickened; Influence the rotary drilling rig construction speed, reduced working security, and significantly improved the working service cost of rotary drilling rig.
Be to solve steel rope pulley is produced the problem of big lateral pressure, in number of patent application is the patent documentation of 201010221028.X, disclose a kind of wire line guide, it comprises: rocker, and hinged through hinge and mast; Pulley bracket rotatably is connected with rocker through pivoting support; Pulley is supported by pulley bracket.Generally with the axes intersect setting of the rotation axis and the hinge of pivoting support; And become 90 ° of layouts; When steel rope passes through pulley; But the pulley wraparound is changeed the rotation axis rotation of supporting and with the rocker swing, is made the trend of moving towards to adapt to steel rope of pulley, can reduce the lateral pressure of steel rope to pulley.But this wire line guide needs two cover rotating mechanisms, and (rocker and a rotating mechanism at hinge place, another rotating mechanism that pivoting support belongs to) cooperate the purpose that realizes reducing the pulley side force, makes this wire line guide have complex structure, problem that manufacturing cost is high.
The utility model content
The utility model is intended to propose a kind of wire line guide, with the wire line guide that solves prior art when reducing the suffered lateral pressure of its pulley, the complex structure that brings, the problem that manufacturing cost is high.The utility model has also proposed a kind of rotary drilling rig that can address the above problem.
An aspect, the utility model provides a kind of wire line guide, is used for rotary drilling rig, and this wire line guide comprises: permanent seat is used to be installed in the mast of rotary drilling rig; Pulley bracket; Pulley is installed on the pulley bracket, and pulley is provided with the chute that cooperates with steel rope; Pulley bracket is positioned at the below of permanent seat, and pulley bracket rotatably is connected with permanent seat through turning gear; The axis of the master winch reel of the rotation axis of turning gear and rotary drilling rig is perpendicular, and the axis of pulley is vertical with rotation axis; The center of gyration place of turning gear is formed with first through hole that supplies steel rope to wear, and the line of centers of first through hole overlaps with rotation axis.
Further, the shortest distance between the bottom land of the rotation axis of turning gear and chute equals the radius of steel rope.
Further, permanent seat comprises: riser is provided with a plurality of being used for and mast bonded assembly mounting hole; Transverse slat is connected with riser and perpendicular to riser; Brace panel is connected with transverse slat with riser respectively; Transverse slat is provided with second through hole that supplies steel rope to wear.
Further, pulley bracket comprises: substrate laterally arranges with transverse slat and is positioned at the transverse slat below; Hold-down arm, be installed on the substrate and by substrate to extending below; Rotating shaft is installed on the hold-down arm, and pulley sleeve is located in the rotating shaft; Substrate is provided with the third through-hole that supplies steel rope to wear.
Further, turning gear is a pivoting support bearing, and it comprises: the pivoting support outer ring is connected with transverse slat or substrate; The pivoting support inner ring is connected with substrate or transverse slat, and the endoporus of pivoting support inner ring forms first through hole; Ball is arranged in the raceway that is formed between pivoting support outer ring and the pivoting support inner ring.
Further, turning gear comprises: hollow shaft, and the endoporus of hollow shaft forms first through hole; Clutch shaft bearing is set in the top of hollow shaft and is installed in second through hole; Second bearing is set in the bottom of hollow shaft and is installed in the third through-hole.
Further, turning gear comprises: hollow shaft, and the endoporus of hollow shaft forms first through hole; First axle sleeve is set in the top of hollow shaft and is installed in second through hole; Second axle sleeve is set in the bottom of hollow shaft and is installed in the third through-hole.
Further, rotating shaft is held with hold-down arm through third axle and is connected; And/or pulley is connected with rotating shaft through the 4th bearing.
Further, the pulley upper edge circumferentially evenly is provided with a plurality of lightening holes.
Another aspect, the utility model also provide a kind of rotary drilling rig, are provided with above-mentioned wire line guide.
According to the technical scheme of the utility model, because of the pulley bracket that is used for fixing pulley is positioned at the below of permanent seat, and pulley bracket rotatably is connected with permanent seat through turning gear; The axis of the master winch reel of the rotation axis of turning gear and rotary drilling rig is perpendicular, and the axis of pulley is vertical with rotation axis; Center of gyration at turning gear is formed with first through hole that supplies steel rope to wear; The line of centers of first through hole overlaps with rotation axis, and like this, the steel rope that is stretched out by the master winch reel is walked around behind the chute of pulley from first through hole and passed and then cooperate with cathead; Can rotate by the wraparound shaft axis at steel rope motion process middle pulley support; Make the trend of pulley always adapt to the steel rope trend, the length of cable after promptly steel rope contacts preceding length of cable and steel rope and pulley contacts with pulley is in the same plane basically, thereby reduces the lateral pressure of steel rope to pulley; And the wire line guide of the utility model only adopts a cover rotating mechanism (being turning gear); Therefore with respect to prior art, the technical scheme of the utility model has been simplified the structure of wire line guide, has reduced cost; And easy mounting, and on the basis that guarantees setting accuracy, reduced installation difficulty.
Description of drawings
The accompanying drawing that constitutes the part of the utility model is used to provide the further understanding to the utility model, and illustrative examples of the utility model and explanation thereof are used to explain the utility model, do not constitute the improper qualification to the utility model.In the accompanying drawings:
Fig. 1 has schematically shown the main TV structure of first preferred embodiment of the wire line guide of the utility model;
Fig. 2 has schematically shown the spatial structure of first preferred embodiment of the wire line guide of the utility model;
Fig. 3 has schematically shown the semi-sictional view structure of first preferred embodiment of the wire line guide of the utility model;
Fig. 4 is the local structure for amplifying of Fig. 3; And,
Fig. 5 has schematically shown the local structure of second preferred embodiment of the wire line guide of the utility model.
The specific embodiment
Need to prove that under the situation of not conflicting, embodiment and the characteristic among the embodiment among the application can make up each other.Below with reference to accompanying drawing and combine embodiment to specify the utility model.
Referring to Fig. 1 to Fig. 4, show the structure of first preferred embodiment of the wire line guide that the utility model provides, this wire line guide is used for rotary drilling rig.As shown in fig. 1, this wire line guide comprises permanent seat 1, turning gear 2, pulley bracket 3, pulley 4 at least.
See Fig. 1; After this wire line guide is achieved in that to the guiding of steel rope 5 and support function the steel rope 5 that is stretched out by master winch reel (not shown) is walked around the chute 40 of pulley, pass via first through hole 25 of turning gear 2, upwards winding is crossed cathead and (is installed in mast 100 upper ends then; Not shown cathead) is connected with the drilling rod (not shown) of rotary drilling rig downwards again after; Under the effect of turning gear 2, can rotate by wraparound shaft axis A-A at the motion process middle pulley support 3 of steel rope 5, make the trend of pulley 4 always adapt to the trend of steel rope 5; Being length of cable and the steel rope 5 of steel rope 5 before contacting with pulley 4 is in the same plane with length of cable after pulley 4 contacts basically; Therefore thereby reduce the lateral pressure of 5 pairs of pulleys 4 of steel rope, and the wire line guide of the utility model only adopts a cover rotating mechanism (being turning gear 2), with respect to prior art; The technical scheme of the utility model has been simplified the structure of wire line guide; Reduced cost, and easy mounting, and on the basis that guarantees setting accuracy, reduced installation difficulty.
Preferably, the rotation axis A-A of turning gear 2 is provided with (obviously the rotation axis A-A while is perpendicular to the axis of master winch reel) perpendicular to ground in the present embodiment, so the parallel axes of pulley 4 is in horizontal surface.
Also show the preferred implementation of permanent seat 1, turning gear 2 and pulley bracket 3 in the present embodiment.
By finding out among Fig. 2, permanent seat 1 comprises riser 11, brace panel 12 and transverse slat 13.On riser 11, be provided with a plurality of being used for and mast 100 bonded assembly mounting holes, riser 11 is captiveed joint with mast 100 through the screw or the bolt that are installed in its mounting hole.Transverse slat 13 is connected with riser 11 and perpendicular to riser 11.Brace panel 12 is connected with transverse slat 13 with riser 11 respectively, is used to strengthen the Joint strenght of riser 11 and transverse slat 13.
Turning gear 2 is a pivoting support bearing, and it comprises pivoting support outer ring 21, pivoting support inner ring 23 and ball 22.In this embodiment, bolted connection is passed through with transverse slat 13 in pivoting support outer ring 21, and pivoting support inner ring 23 also passes through bolted connection with substrate 31, and ball 22 is arranged in the raceway 20 that is formed between pivoting support outer ring 21 and the pivoting support inner ring 23.The endoporus of pivoting support inner ring 23 forms first through hole 25.Preferably, in a kind of unshowned mode, can the installation site of pivoting support outer ring 21 and pivoting support inner ring 23 be exchanged, that is, bolted connection is passed through with substrate 31 in pivoting support outer ring 21, and pivoting support inner ring 23 passes through bolted connection with transverse slat 13.
Obviously, for guaranteeing that steel rope 5 wore first through hole, 25 backs smoothly and cooperates with cathead, transverse slat 13 is provided with second through hole 130 that supplies steel rope 5 to wear, and substrate 31 is provided with the third through-hole 310 that supplies steel rope 5 to wear.Preferably, for ease of installing, the central lines of the line of centers of second through hole 130 and first through hole 25, the line of centers of third through-hole 310 also with the central lines of first through hole 25.
Cooperates for rolling between steel rope 5 and the pulley 4, particularly, can be with pulley 4 and rotating shaft 33 flush fits, rotating shaft 33 is held with hold-down arm 32 through third axle and is connected then; Also can pulley 4 be connected in the rotating shaft 33 through the 4th bearing carrier ring, relative fixed is connected between rotating shaft 33 and the hold-down arm 32; Perhaps, between rotating shaft 33 and hold-down arm 32, third axle is set and holds, pulley 4 is connected with rotating shaft 33 through the 4th bearing simultaneously.
Preferably, referring to Fig. 1, the shortest distance D between the rotation axis A-A of turning gear 2 and the bottom land of chute 40 equals the radius of steel rope 5.Like this; Through distance and/or rotation axis A-A between rotation axis A-A and the mast 100 rationally being set, the line of centers of the part of steel rope 5 between pulley 4 and cathead is overlapped with rotation axis A-A, thereby make steel rope 5 in operational process with respect to the inclination angle of mast 100; Not only pulley 4 there is not side force; Pulley 4 to cathead does not produce side force yet, has further reduced steel rope 5 and the wearing and tearing of the pulley 4 that is mated, has reduced digging the influence of drilling machine construction progress; Improve working security, and significantly reduced the working service cost of rotary drilling rig.
Preferably, pulley 4 upper edges circumferentially evenly are provided with a plurality of lightening holes 42, to alleviate the weight of this wire line guide.In like manner, can also on brace panel 12, also offer lightening hole 42.
Referring to Fig. 5, show the local structure of second preferred embodiment of the utility model, the difference of this embodiment and above-mentioned first preferred embodiment is the structure of turning gear 2, and the connection mode of this turning gear 2 and transverse slat 13 and substrate 31.In this second preferred embodiment, turning gear 2 comprises hollow shaft 26, clutch shaft bearing 27 and second bearing 28.The endoporus of hollow shaft 26 forms first through hole 25 that supplies steel rope 5 to wear.Clutch shaft bearing 27 is set in the top of hollow shaft 26 and is installed in that (second through hole 130 not only plays the effect that supplies steel rope 5 to wear in second through hole of offering on the transverse slat 13 130; Also play the effect that hollow shaft 26 is installed; Promptly first through hole 25 and second through hole 130 have superposed part), turning gear 2 and transverse slat 13 are rotatably linked together.Second bearing 28 is set in the bottom of hollow shaft 26 and is installed in that (third through-hole 310 not only plays the effect that supplies steel rope 5 to wear in the third through-hole offered on the substrate 31 310; Also play the effect that hollow shaft 26 is installed; Promptly first through hole 25 has superposed part with third through-hole 310), turning gear 2 and substrate 31 are rotatably linked together.
The 3rd preferred embodiment of the utility model is described below; Be that with the difference of above-mentioned second preferred embodiment bearing in the turning gear 2 replaced by axle sleeve; Particularly, turning gear 2 comprises hollow shaft 26, first axle sleeve and second axle sleeve in the present embodiment.The endoporus of hollow shaft 26 forms first through hole 25.The primary shaft cover is set in the top of hollow shaft 26 and is installed in that (second through hole 130 not only plays the effect that supplies steel rope 5 to wear in second through hole of offering on the transverse slat 13 130; Also play the effect that hollow shaft 26 is installed), turning gear 2 and transverse slat 13 are rotatably linked together.Second axle sleeve is set in the bottom of hollow shaft 26 and is installed in (third through-hole 310 not only plays the effect that supplies steel rope 5 to wear, and also plays the effect that hollow shaft 26 is installed) in the third through-hole 310, and turning gear 2 and substrate 31 are rotatably linked together.This embodiment is applicable to the situation use that pulley 4 rotation amplitudes are less.
The utility model also provides a kind of rotary drilling rig, is provided with above-mentioned wire line guide.Because above-mentioned wire line guide has above-mentioned technique effect, the rotary drilling rig with this wire line guide also should have the corresponding techniques effect, introduces no longer in detail at this.
The above is merely the preferred embodiment of the utility model; Not in order to restriction the utility model; All within the spirit and principle of the utility model, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the utility model.
Claims (10)
1. a wire line guide is used for rotary drilling rig, and this wire line guide comprises: permanent seat (1) is used to be installed in the mast (100) of said rotary drilling rig; Pulley bracket (3); Pulley (4) is installed on the said pulley bracket (3), and said pulley (4) is provided with the chute (40) that cooperates with steel rope (5); It is characterized in that,
Said pulley bracket (3) is positioned at the below of said permanent seat (1), and said pulley bracket (3) rotatably is connected with said permanent seat (1) through turning gear (2);
The rotation axis (A-A) of said turning gear (2) is perpendicular with the axis of the master winch reel of said rotary drilling rig, and the axis of said pulley (4) is vertical with said rotation axis (A-A);
The center of gyration place of said turning gear (2) is formed with first through hole (25) that supplies said steel rope (5) to wear, and the line of centers of said first through hole (25) overlaps with said rotation axis (A-A).
2. wire line guide according to claim 1 is characterized in that, the shortest distance (D) between the rotation axis (A-A) of said turning gear (2) and the bottom land of said chute (40) equals the radius of said steel rope (5).
3. wire line guide according to claim 1 and 2 is characterized in that,
Said permanent seat (1) comprising: riser (11) is provided with a plurality of being used for and said mast (100) bonded assembly mounting hole; Transverse slat (13) is connected with said riser (11) and perpendicular to said riser (11); Brace panel (12) is connected with said transverse slat (13) with said riser (11) respectively;
Said transverse slat (13) is provided with second through hole (130) that supplies said steel rope to wear.
4. wire line guide according to claim 3 is characterized in that,
Said pulley bracket (3) comprising: substrate (31) laterally arranges with said transverse slat (13) and is positioned at said transverse slat (13) below; Hold-down arm (32), be installed in that said substrate (31) is gone up and by said substrate (31) to extending below; Rotating shaft (33) is installed on the said hold-down arm (32), and said pulley (4) is set in the said rotating shaft (33);
Said substrate (31) is provided with the third through-hole (310) that supplies said steel rope to wear.
5. wire line guide according to claim 4 is characterized in that,
Said turning gear (2) is a pivoting support bearing, and it comprises: pivoting support outer ring (21) are connected with said transverse slat (13) or said substrate (31); Pivoting support inner ring (23) is connected with said substrate (31) or said transverse slat (13), and the endoporus of said pivoting support inner ring (23) forms said first through hole (25); Ball (22) is arranged in the raceway (20) that is formed between said pivoting support outer ring (21) and the pivoting support inner ring (23).
6. wire line guide according to claim 4 is characterized in that, said turning gear (2) comprising: hollow shaft (26), and the endoporus of said hollow shaft (26) forms said first through hole (25); Clutch shaft bearing (27) is set in the top of said hollow shaft (26) and is installed in said second through hole (130); Second bearing (28) is set in the bottom of said hollow shaft (26) and is installed in the said third through-hole (310).
7. wire line guide according to claim 4 is characterized in that, said turning gear (2) comprising: hollow shaft (26), and the endoporus of said hollow shaft (26) forms said first through hole (25); First axle sleeve is set in the top of said hollow shaft (26) and is installed in said second through hole (130); Second axle sleeve is set in the bottom of said hollow shaft (26) and is installed in the said third through-hole (310).
8. wire line guide according to claim 4 is characterized in that, said rotating shaft (33) is held with said hold-down arm (32) through third axle and is connected; And/or said pulley (4) is connected with said rotating shaft (33) through the 4th bearing.
9. wire line guide according to claim 1 is characterized in that, said pulley (4) upper edge circumferentially evenly is provided with a plurality of lightening holes (42).
10. a rotary drilling rig is characterized in that, is provided with each described wire line guide in the claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220180890 CN202575815U (en) | 2012-04-25 | 2012-04-25 | Steel wire rope guide device and rotary drilling rig provided with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220180890 CN202575815U (en) | 2012-04-25 | 2012-04-25 | Steel wire rope guide device and rotary drilling rig provided with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202575815U true CN202575815U (en) | 2012-12-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220180890 Expired - Lifetime CN202575815U (en) | 2012-04-25 | 2012-04-25 | Steel wire rope guide device and rotary drilling rig provided with same |
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| Country | Link |
|---|---|
| CN (1) | CN202575815U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103790512A (en) * | 2014-02-28 | 2014-05-14 | 北京南车时代机车车辆机械有限公司 | Rotary drilling rig and power head device thereof |
-
2012
- 2012-04-25 CN CN 201220180890 patent/CN202575815U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103790512A (en) * | 2014-02-28 | 2014-05-14 | 北京南车时代机车车辆机械有限公司 | Rotary drilling rig and power head device thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121205 |
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| CX01 | Expiry of patent term |