CN2682187Y - Hydraulic anchor rod anchor cable drilling machine and special integrated control valve thereof - Google Patents
Hydraulic anchor rod anchor cable drilling machine and special integrated control valve thereof Download PDFInfo
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- CN2682187Y CN2682187Y CN 200420015868 CN200420015868U CN2682187Y CN 2682187 Y CN2682187 Y CN 2682187Y CN 200420015868 CN200420015868 CN 200420015868 CN 200420015868 U CN200420015868 U CN 200420015868U CN 2682187 Y CN2682187 Y CN 2682187Y
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- hydraulic fluid
- valve
- fluid port
- hydraulic
- control valve
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Abstract
The utility model discloses a hydraulic anchor rod anchor cable drilling machine and special integrated control valve thereof. The drilling machine is composed of a support oil cylinder, a hydraulic motor, a machine head, a control valve and an operation arm; the support oil cylinder and the hydraulic motor are respectively connected on the valve body of an integrated control valve; the machine head is fixed on the valve body through a screw bolt support rod; the special integrated control valve is that a valve shaft is arranged inside the valve body; a left valve core controlling the hydraulic motor and a right valve core controlling the support oil cylinder are arranged inside the valve shaft; the outer ends of the two valve cores are provided with a limit sheet and an operation wheel. The drilling machine is suitable for poor and explosive gas environment, and can be used for the drilling operation when a coal mine, a coal tunnel, a semi-coal tunnel, a railway, the tunnel of a highway, etc. are bolt supporting operated; the working of drilling machine is stable and the thrust force and the torque is big; the drilling machine can also be used as a drilling tool for anchorage cable installation.
Description
Technical field
The utility model relates to a kind of drilling equipment, specifically a kind of hydraulic anchor anchor cable rig and special-purpose integrated control valve thereof.
Background technology
Hydraulic jumbolter is to be power with pressure oil, locate to carry out the drilling equipment of bolt support operation at rock gangway, coal road, half coal rock tunnel etc., its structure by support oil cylinder, hydraulic motor, head, control the control valve of oil cylinder and motor respectively and the control arm that joins with control valve etc. is partly formed, wherein support oil cylinder, hydraulic motor and head join successively, constitute drill main body, be connected by pipeline with two control valves.This connected mode makes the structure relative complex of rig, and the oil circuit interface is many, and reliability reduces.Because oil circuit is long, the pressure loss increases thereupon, the corresponding increase of generating heat, and the operating efficiency of device also just obviously descends.Control valve generally is to adopt sliding valve structure, makes the thrust of support oil cylinder and the rotating speed of hydraulic motor all can not realize step-less adjustment.
The utility model content
The purpose of this utility model just provides a kind of compact conformation, highly integrated, the integrated control valve that has high reliability and high efficiency hydraulic anchor anchor cable rig and be exclusively used in this hydraulic anchor anchor cable rig, to overcome the deficiency that existing jumbolter exists, can be respectively to support oil cylinder and hydraulic motor or carry out stepless speed regulation simultaneously with single integrated control valve, to reach the optimum efficiency that rig work cooperates.
Rig in the utility model is achieved in that hydraulic anchor anchor cable rig is still by parts such as support oil cylinder, hydraulic motor, head, control valve and control arms and forms, institute's improvements be support oil cylinder and hydraulic motor be connected to can valve body to the two integrated control valve of controlling on, head by the bolt strut fixation on the valve body of integrated control valve.
The utility model has changed each parts connected mode of traditional rig, with the valve body of the integrated control valve core link as support oil cylinder, hydraulic motor and head, becomes the connection key component that drill main body is formed a connecting link.This structure makes the compact conformation of rig, highly integrated, the transmission of creeping into strength is reasonable, has avoided the shortcoming as one of transferring elements that creeps into strength of hydraulic motor in original device, both prolong the application life of hydraulic motor, reduced the fault rate of rig again.Owing between support oil cylinder and hydraulic motor, directly connect integrated control valve, correspondingly just reduced the oil circuit interface, shortened the connection oil circuit, therefore make the reliability of rig strengthen, the pressure loss reduces, and operating efficiency improves.This rig is applicable to abominable and explosive gas atmosphere, the operation of boring the when tunnel etc. that can be used for colliery, coal road, half coal road or railway, highway carries out the bolt support operation and skyhook etc.Because the working stability of rig, thrust and moment of torsion are bigger, but therefore hole diameter below 42mm, the long pore of 4-12 rice, so also can be used as the boring apparatus of anchor cable installation.
Special-purpose integrated control valve in the utility model is achieved in that and is installed with valve shaft in valve body, valve shaft is a sleeve-shaped, in be equipped with the left spool of two operative positions control hydraulic motors with three operative positions and control the right spool of support oil cylinders, in two spool outer ends banking stop and handwheel are housed respectively.This control valve special with valve body as the carrier that connects oil cylinder and motor and supporting head, and in order to connect valve shaft and advance, the oil return interface.Valve shaft and left and right spool constitute the master control rotary valve of support oil cylinder and hydraulic motor jointly, by the rotation of handwheel, drive the rotation of left and right spool in the valve body axle, can and open, stop work and control oil cylinder and motor realization step-less adjustment.Satisfy the need of work of hydraulic jumbolter thus, realized the structural change of jumbolter and the raising of service behaviour.
This integrated control valve is rotatably assorted by left and right spool and valve shaft, has realized can controlling the lifting of support oil cylinder and the start and stop of hydraulic motor respectively or simultaneously with the centralized Control of single integrated control valve to support oil cylinder and hydraulic motor.Because this integrated control valve is the rotary valve structure, rotation by left and right spool controls respectively or simultaneously the promotion of oil cylinder and the boring work of motor, therefore this integrated control valve working method is simple, control is independent of each other, and can carry out step-less adjustment to the lifting of oil cylinder and the rotating speed of motor, therefore can reach the best fit effect of rig work, and can make the propelling of rig and the coadaptation mutually of holing, improved the operating efficiency of rig thus, bit freezing not makes the use of rig more easy, safety.
Description of drawings
Fig. 1, Fig. 2 are the structural representations of the utility model hydraulic anchor anchor cable rig.
Fig. 3, Fig. 4 are the structural representations of junction plate.
Fig. 5 is the fundamental diagram of the utility model hydraulic control.
Fig. 6 is the structural representation of the utility model integrated control valve.
Fig. 7 is the sectional drawing of valve body.
Fig. 8 is that the N of Fig. 7 is to view.
Fig. 9 is that the A-A of Fig. 7 is to step profile figure.
Figure 10, Figure 11 are the structural representations of the dual mode of valve shaft.
Figure 12 is that the H-H of Figure 11 is to sectional drawing.
Figure 13 is that the K of Figure 12 is to local expanded view.
Figure 14, Figure 15 are left valve core structure schematic diagrames.
Figure 16-Figure 19 is the structural representation of first kind of implementation of right spool.
Figure 20, Figure 21 are the structural representations of second kind of implementation of right spool.
The specific embodiment
As shown in Figure 1, 2, the bottom of this novel hydraulic anchor shaft anchor cable rig is a support oil cylinder 9, the oil cylinder top is connected and fixed by adpting flange 6 and snap ring 5 and the bolt 7 valve body bottom with integrated control valve 4, oil cylinder 9 into and out of oilhole and corresponding the communicating of hydraulic fluid port on the valve body.Valve body top at integrated control valve 4 connects hydraulic motor 3, and by bolt support 2 fixedly connected heads 1 in the motor both sides, the stressed of head is directly delivered on valve body and the support oil cylinder by bolt support 2, avoided the directly stressed of hydraulic motor thus.
Among Fig. 1, the one side of hydraulic motor 3 and integrated control valve 4 is connected to junction plate 12, has oil duct to be communicated with hydraulic motor 3 and integrated control valve 4 in the junction plate.The structure of junction plate 12 is to be provided with four ducts in a rectangular substantially plate body shown in Fig. 3,4, and one group is communicated with two couple on plate body up and down in the perforate in twos, constitutes to be communicated with the advancing of hydraulic motor, way to cycle oil.Among Fig. 1, junction plate 12 is connected on hydraulic motor and the valve body by hollow bolt 13,14, and also available welding manner is connected junction plate with valve body.Junction plate is advancing as hydraulic motor, in the oil return circuit, is also having the effect of strengthening the hydraulic motor torque resistant.
The advancing of this rig, back leakage connection 15 are fastened on respectively on the valve body of integrated control valve 4.As seen from the figure, each oil circuit of this rig connect except that with two external joints of pumping plant, does not have other and expose joint and pipeline, thereby the oil circuit connected mode is simple and direct, the oil circuit joint is few, the pressure loss is little, the rig functional reliability strengthens thereupon.
Special-purpose integrated control valve (as shown in Figure 6) on this novel hydraulic anchor shaft anchor cable rig is to be installed with valve shaft 42 in valve body 41, and valve shaft 42 is a sleeve-shaped, in left and right spool 43,44 is housed.Wherein left spool 43 cooperates with valve shaft, valve body, constitutes the 2/2-way valve of control hydraulic motor action; Right spool 44 cooperates with valve body, valve shaft, constitutes the three-position four-way valve of control support oil cylinder.In two spool outer ends banking stop 45 and handwheel 46 are housed respectively.Handwheel 46 is rotated by the rope traction in the control arm, to drive valve core rotation, realizes hydraulic control.
As Fig. 7-shown in Figure 9, the valve body 41 of this integrated control valve has circular channel in, has the hydraulic fluid port of 7 diverse locations on the outer wall, and hydraulic fluid port 41a is an oil-in, hydraulic fluid port 41b is the motor oil-in, hydraulic fluid port 41c advances right wick, hydraulic fluid port 41d oil-feed cylinder cavity of resorption, and hydraulic fluid port 41e communicates with hydraulic fluid port 41c, be the motor oil return opening, hydraulic fluid port 41f oil-feed cylinder epicoele, hydraulic fluid port 41g is an oil return opening, oil sump tank.
Figure 10, the 11st, two kinds of concrete structures of valve shaft 42.On valve shaft shown in Figure 10, have 7 arranged side by side radially outside endless-oil groove, corresponding with 7 hydraulic fluid ports on the valve body 41 respectively, all have hydraulic fluid port 42a-42g on each oil groove, wherein hydraulic fluid port 42a is extremely left spool core hole of oil-feed, and hydraulic fluid port 42b leads to motor, and hydraulic fluid port 42c (first half that is cuing open) leads to right spool oil-feed, hydraulic fluid port 42d leads to the oil cylinder cavity of resorption, hydraulic fluid port 42e is motor oil return and oil cylinder oil-feed, and hydraulic fluid port 42f leads to the oil cylinder epicoele, and hydraulic fluid port 42g is that fuel tank is arrived in oil return.
The left spool 43 of this integrated control valve is the left side that is positioned at valve shaft 42 shown in Figure 14,15, is having three radially hydraulic fluid port 43a-43c with three the oil groove relative positions in valve shaft left side place, and three hydraulic fluid ports all communicate with axial core hole 43d on the spool.
The right spool that matches with valve shaft 42 shown in Figure 10 is to adopt Figure 16-valve core structure shown in Figure 19, promptly on right spool 44, have relative with four oil grooves in valve shaft the right 4 hydraulic fluid port 44a-d radially, each hydraulic fluid port all communicates with radially core hole 44e on the right spool, have two groups of dislocation oil groove 44f, 44g facing each other in the spool outer axial face, have the throttling channel 44h that is communicated with second hydraulic fluid port and two groups of oil grooves at valve core outer surface.
By above-mentioned left and right sides spool, valve shaft and valve body combination, promptly constitute integrated control valve shown in Figure 6.
With the form change of above-mentioned valve shaft and right spool, and the structure of other parts all remains unchanged, and just can consist of second kind of integrated control valve.The form of valve shaft 42 changes as Figure 11-shown in Figure 13, and integral body still is sleeve-shaped, and external surface has 7 radially outer endless-oil grooves arranged side by side, has hydraulic fluid port on each oil groove, and corresponding with 7 oilholes on the valve body respectively.Wherein hydraulic fluid port 42a ' is that oil-feed is to left spool bore, hydraulic fluid port 42b ' is to motor by valve body, hydraulic fluid port 42c ' was that valve body is communicated with hydraulic fluid port 42e ', hydraulic fluid port 42d ' is an oil-feed cylinder cavity of resorption, on the hydraulic fluid port 42e ' inner oil sump is arranged, be spool oil-in to the right, hydraulic fluid port 42f ' is an oil-feed cylinder epicoele, and hydraulic fluid port 42g ' is that oil return is to fuel tank.On the groove of the right of this valve shaft, have strip restriction 42h.In the last implementation, be to have throttling channel on right spool, do not open restriction on the valve shaft, this is the main distinction point of the two.The right spool corresponding with this valve shaft is to have relative with four oil grooves in valve shaft the right 4 hydraulic fluid port 44a '-d ' radially on the valve core of right spool 44 shown in Figure 20,21, and each hydraulic fluid port all communicates with the core hole; Having hydraulic fluid port 44k, the 44l that communicates with lateral opening 44j respectively with the same radially cross section place place of first, fourth hydraulic fluid port 44a ', 44d ', having hydraulic fluid port 44m, the 44n that communicates with lateral opening 44i respectively with the same radially cross section place place of third and fourth hydraulic fluid port 44c ', 44d '.
Fig. 5 has provided the hydraulic circuit control principle figure that this special-purpose integrated control valve 4 matches with support oil cylinder 9 and hydraulic motor 3, and the part in the frame of broken lines is the integrated control valve 4 that motor control valve 4a and oil cylinder control valve 4b is incorporated into one.Realize distribution by the oil groove on the valve shaft and hydraulic fluid port, and relatively rotating of left and right spool can be connected different oil circuits, realizes commutation and throttle grverning to hydraulic oil.Details are as follows for concrete control procedure:
One, the control of hydraulic motor
As seen from Figure 5, motor control valve 4a has two working positions: motor stops in the time of 0, revolution in the time of 1.
Shown in Fig. 6,7,10,14, the circulation of hydraulic oil is in proper order in the time of 0: the hydraulic fluid port 41g → fuel tank of the hydraulic fluid port 42g → valve body 41 of the hydraulic fluid port 42e of the hydraulic fluid port 41e → valve shaft 42 of the hydraulic fluid port 41c → valve body 41 of the hydraulic fluid port 42c → valve body 41 of the hydraulic fluid port 42a of the oil-in 41a → valve shaft 42 of valve body 41 → left spool hydraulic fluid port 43a → left spool hydraulic fluid port 43c → valve shaft 42 → right spool hydraulic fluid port 44b → right spool hydraulic fluid port 44d → valve shaft 42.
The circulation of hydraulic oil is in proper order in the time of 1: the hydraulic fluid port 42e of the hydraulic fluid port 41e → valve shaft 42 of the hydraulic fluid port 42a of the oil-in 41a → valve shaft 42 of valve body 41 → left spool hydraulic fluid port 43a → left spool hydraulic fluid port 43b → hydraulic motor → valve body 41 → (as follows 0 time).This moment, left spool hydraulic fluid port 43b mouth was opened, and hydraulic fluid port 43 closes motor operations.Hydraulic fluid port 42b on the valve shaft 42 has angle relevant with hydraulic fluid port 42c, and when left spool hydraulic fluid port 43b did not close fully, hydraulic fluid port 43b was opened.Its purpose one is the hydraulic shock when avoiding the transition position, the 2nd, realize the motor speed governing.
Two, the control of support oil cylinder
As seen from Figure 5, oil cylinder control valve 4b has three working positions: oil cylinder stops in the time of 0, and oil cylinder rises in the time of 1, and oil cylinder descends in the time of 2.According to the structure design of this integrated control valve, under 1 and 2 states, all there is the by-pass throttle mouth that oil is switched to fuel tank.
In conjunction with Fig. 6,7,10,16-19, the course of work of the oil cylinder control valve 4b of this kind structure is:
The circulation of hydraulic oil is in proper order in the time of 0: the hydraulic fluid port 41g → fuel tank of the hydraulic fluid port 44g → valve body 41 of the hydraulic fluid port 44d → valve shaft 42 of the hydraulic fluid port 44b → right spool of the hydraulic fluid port 42e → right spool of the hydraulic fluid port 41e → valve body 42 on the valve body 41.At this moment, the hydraulic fluid port 44a of right spool and hydraulic fluid port 44c close.
In the time of 1, the oil groove 44f of the hydraulic fluid port 42e of the hydraulic fluid port 41e → valve shaft 42 on the valve body 41 → right spool 44.From the oil content two-way that oil groove 44f comes in, wherein main road is: the hydraulic fluid port 41d → oil cylinder cavity of resorption of the hydraulic fluid port 42d → valve body 41 of oil groove 44f → valve shaft 42; Bypass is: oil groove 44f → right throttling spool mouth 44h → right spool hydraulic fluid port 44b → right spool hydraulic fluid port 44d → oil sump tank.
The hydraulic fluid port 44c of the hydraulic fluid port 42f of the hydraulic fluid port 41f → valve shaft 42 of fuel tank epicoele oil return → valve body 41 → right spool 44 → right spool hydraulic fluid port 44d → oil sump tank.
In the time of 2, similar when the clear and coherent preface of hydraulic oil flow and 1, the switched in opposite of right spool only.
In conjunction with Fig. 7,11 → 13,20,21, the course of work of the oil cylinder control valve of this kind structure is:
The same substantially in the time of 0, the clear and coherent preface of hydraulic oil flow is in the time of 1: the hydraulic fluid port 42e ' of the hydraulic fluid port 41e → valve shaft 42 of valve body 41 → right spool hydraulic fluid port 44b ' → right spool core hole 44e.By core hole hydraulic pressure oil content two-way: main road is: the hydraulic fluid port 41d → oil cylinder cavity of resorption of the hydraulic fluid port 42d ' → valve body 41 of core hole 44e → right spool hydraulic fluid port 44a ' → valve shaft 42.Bypass is: the hydraulic fluid port 42g ' of core hole 44e → right spool hydraulic fluid port 44d ' → valve shaft 42 (the restriction 44h under the corresponding valve shaft hydraulic fluid port of right spool hydraulic fluid port 44d ' this moment), oil is in the by-pass throttle state, and right spool corner increases, and restriction reduces, the pressure of main road oil-feed cylinder increases, and thrust increases.At this moment, the backflow of oil cylinder epicoele is in proper order: the hydraulic fluid port 41g → fuel tank of the hydraulic fluid port 42g ' → valve body 41 of the hydraulic fluid port 42f ' of the hydraulic fluid port 41f → valve shaft 42 of oil cylinder epicoele → valve body 41 → right spool hydraulic fluid port 44m → right spool hydraulic fluid port 44n → valve shaft 42.
During 2 of right spools, oil cylinder descends, and principle is the same, no longer repeats.
Claims (8)
1, a kind of hydraulic anchor anchor cable rig, form by support oil cylinder (9), hydraulic motor (3), head (1), control valve (19) and control arm (8), it is characterized in that support oil cylinder (9) and hydraulic motor (3) be connected to can valve body to the two integrated control valve of controlling (4) on, head (1) is fixed on the valve body of integrated control valve by bolt pole (2).
2, hydraulic anchor anchor cable rig according to claim 1 is characterized in that the valve shaft both ends in the integrated control valve (4) pass valve body, and the two arms upper end with control arm (8) is fixedly connected respectively.
3, hydraulic anchor anchor cable rig according to claim 2 is characterized in that being provided with snubber block (10) between control arm (8) lower end and handgrip (11).
4, hydraulic anchor anchor cable rig according to claim 1 is characterized in that the one side of hydraulic motor (3) and integrated control valve (4) is connected to junction plate (12), has oil duct to be communicated with hydraulic motor (3) and integrated control valve (4) in the junction plate.
5, a kind of integrated control valve that is exclusively used on the described hydraulic anchor anchor cable of claim 1 rig, in valve body (41), be installed with valve shaft (42), it is characterized in that valve shaft (41) is sleeve-shaped, in be equipped with the left spool (43) of two operative positions control hydraulic motors with three operative positions and control the right spool (44) of support oil cylinders (41), banking stop (45) and handwheel (46) are housed respectively in two spool outer ends.
6, integrated control valve according to claim 5, it is characterized in that on valve shaft (42), having 7 arranged side by side radially outside endless-oil groove, have hydraulic fluid port (42a-g) on each oil groove, have on the valve body (41) respectively with valve shaft on corresponding 7 hydraulic fluid ports of 7 outer endless-oil grooves (41a-g), have relative with three oil grooves in the valve shaft left side 3 hydraulic fluid ports (43a-c) radially on left spool (43), each hydraulic fluid port all communicates with axial core hole (43d) on the left spool.
7, integrated control valve according to claim 6, it is characterized in that on right spool (44), having relative with four oil grooves in valve shaft the right 4 hydraulic fluid ports (44a-d) radially, each hydraulic fluid port all communicates with radially core hole (44e) on the right spool, have two groups of dislocation oil grooves (44f, 44g) facing each other in the spool outer axial face, have the throttling channel (44h) that is communicated with second hydraulic fluid port and two groups of oil grooves at valve core outer surface.
8, integrated control valve according to claim 6 is characterized in that having strip restriction (42h) on the right groove of valve shaft (42); Have three axial channel on right spool (44), one is core hole (44e), and two is lateral opening (44i, 44j), has relative with four oil grooves in valve shaft the right 4 hydraulic fluid ports (44a-d) radially on right spool, and each hydraulic fluid port all communicates with the core hole; Having the hydraulic fluid port (44k, 44l) that communicates with lateral opening (44j) respectively with the same radially cross section place place of first, fourth hydraulic fluid port (44a, 44d), having the hydraulic fluid port (44m, 44n) that communicates with lateral opening (44i) respectively with the same radially cross section place place of third and fourth hydraulic fluid port (44c, 44d).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420015868 CN2682187Y (en) | 2004-03-09 | 2004-03-09 | Hydraulic anchor rod anchor cable drilling machine and special integrated control valve thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420015868 CN2682187Y (en) | 2004-03-09 | 2004-03-09 | Hydraulic anchor rod anchor cable drilling machine and special integrated control valve thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2682187Y true CN2682187Y (en) | 2005-03-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420015868 Expired - Fee Related CN2682187Y (en) | 2004-03-09 | 2004-03-09 | Hydraulic anchor rod anchor cable drilling machine and special integrated control valve thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2682187Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103696687A (en) * | 2013-12-10 | 2014-04-02 | 徐州徐工基础工程机械有限公司 | Integral drilling pressure control system of deep well drilling rig |
-
2004
- 2004-03-09 CN CN 200420015868 patent/CN2682187Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103696687A (en) * | 2013-12-10 | 2014-04-02 | 徐州徐工基础工程机械有限公司 | Integral drilling pressure control system of deep well drilling rig |
| CN103696687B (en) * | 2013-12-10 | 2016-04-06 | 徐州徐工基础工程机械有限公司 | A kind of deep drilling rig monolithic drilling pressure control system |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |