CN202726433U - Hydraulic vibration pin pulling device - Google Patents
Hydraulic vibration pin pulling device Download PDFInfo
- Publication number
- CN202726433U CN202726433U CN 201220397831 CN201220397831U CN202726433U CN 202726433 U CN202726433 U CN 202726433U CN 201220397831 CN201220397831 CN 201220397831 CN 201220397831 U CN201220397831 U CN 201220397831U CN 202726433 U CN202726433 U CN 202726433U
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- oil
- working hole
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- return opening
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Abstract
The utility model relates to a pin pulling device, in particular to a hydraulic vibration pin pulling device. The hydraulic vibration pin pulling device solves the problem that a tool specially used for pulling a pin from an engine body of a mine car is unavailable at present. The hydraulic vibration pin pulling device comprises a motor (1), a spin-valve type reversing valve (2), a single-rod piston oil cylinder (3), a double-rod piston oil cylinder (4) and a support piece (5), wherein the spin-valve type reversing valve (2) comprises a valve body (20), a cylinder-shaped valve sleeve (21) installed in the valve body (20), and a valve core (22) installed in the valve sleeve (21). The body of the valve core (22) is a cylinder in clearance fit with the valve sleeve (21), and a first inferior arc-shaped groove, a second inferior arc-shaped groove and a third inferior arc-shaped groove (100, 200, 300) are arranged in sequence from one end to the other end of the upper portion of a horizontal axis surface of the cylinder of the valve core (22). The hydraulic vibration pin pulling device is simple in structure, reasonable in design, and convenient to use. The production efficiency is improved greatly.
Description
Technical field
The utility model relates to pin pulling out device, is specially a kind of hydraulic vibration pin pulling out device.
Background technology
The pin of mine car is as a kind of fastening connection piece, insert on the body of mine car, in real work, often need pin is extracted from the body of mine car, but pin cooperates with body closely, be not drawn out easily, at present lack again a kind of instrument that pin is extracted from the mine car body that is specifically designed to, therefore, be necessary to invent a kind of novel pin pulling out device.
Summary of the invention
The utility model provides a kind of hydraulic vibration pin pulling out device in order to solve a kind of problem of extracting the instrument of pin from the mine car body that is exclusively used in of present shortage.
The utility model is to adopt following technical scheme to realize:
A kind of hydraulic vibration pin pulling out device comprises motor, stopcock formula reversal valve, single rod piston oil-cylinder, two rod piston oil-cylinder, support member.
Described stopcock formula reversal valve comprises valve body, places in the described valve body, valve pocket cylindraceous and place spool in the described valve pocket; The body of described spool is and the cylinder of described valve pocket matched in clearance that the top of the cylindrical horizontal axial plane of spool passes through and is provided with successively first, second and third arc groove that arc is minor arc; The bottom of the cylindrical horizontal axial plane of spool passes through and is provided with successively fourth, fifth, six arc grooves that arc is minor arc; Described first, second, third and fourth, that five, six arc grooves are all crossed the vertical axis face of axis about spool cylindrical is symmetrical; Each arc groove of the upper face of the horizontal axial plane of cylinder of spool and each arc groove of lower surface spatially position intersect mutually that (namely the spacer between the spacer between the first arc groove and the second arc groove and the second arc groove and the 3rd arc groove spatially places respectively in the axial width scope of the 5th arc groove and the 6th arc groove, correspondingly, the spacer between the spacer between the 4th arc groove and the 5th arc groove and the 5th arc groove and the 6th arc groove spatially places respectively in the axial width scope of the first arc groove and the second arc groove); The same bus of described valve pocket on its surface passes through to connect successively and has the oil return opening O of the center of circle on described bus
1, working hole A, oil inlet P, working hole B, oil return opening O
2Described oil return opening O
1, working hole A, oil inlet P, working hole B, oil return opening O
2Mutual alignment should guarantee that spool rotates in valve pocket the time, the 6th arc groove is with working hole B and oil return opening O
2UNICOM, the 5th arc groove are with oil inlet P and working hole A UNICOM, the 4th arc groove and oil return opening O
1UNICOM; The 3rd arc groove and oil return opening O
2UNICOM, the second arc groove with oil inlet P and working hole B UNICOM, the first arc groove with working hole A and oil return opening O
1UNICOM; The outer wall of described valve pocket cooperates with the inwall of described valve body and is fixedly connected with, run through on the described valve body and have oil-in p, working hole a, the working hole b corresponding with oil inlet P, working hole A, working hole B difference on the valve pocket, also run through having oil return opening O on the valve body, the groove of described oil return opening O by valve interior wall respectively with the oil return opening O of valve pocket
1, oil return opening O
2UNICOM.
One end face of described spool is provided with perpendicular shaft extension; Described shaft extension is connected with the output shaft of described motor.
The working hole a of described stopcock formula reversal valve, working hole b are connected with two hydraulic fluid ports of described single rod piston oil-cylinder respectively, and the piston rod of described single rod piston oil-cylinder is connected with a piston rod of described pair of rod piston oil-cylinder.
Described support member comprises with porose gripper shoe, described gripper shoe one side is connected with the cylinder body of described pair of rod piston oil-cylinder, another piston rod of described pair of rod piston oil-cylinder passes the hole of described gripper shoe and the end face of piston rod is connected (other end of screw rod is threaded with outside pin) by screw thread with an end of the threaded screw rod of two ends tool, the another side of described gripper shoe is evenly equipped with screw, be connected with screw rod (when pulling pin, the end face of screw rod is resisted against the surface of external engine body) in the described screw.
During work, the working hole a of stopcock formula reversal valve (being two-position four-way valve) is connected with working hole b is connected hydraulic fluid port with the rodless cavity of single rod piston oil-cylinder and is connected that (perhaps annexation is exchanged and also can with rod chamber, principle is the same), oil-in p is connected oil return opening O and external fuel tank UNICOM with the oil supply system of outside.
During specific works, the motor-driven valve core rotates in valve pocket, and when Spool rotating to the first working position (upper half-turn as shown in Figure 4), the 6th arc groove is with the working hole B on the valve pocket and oil return opening O
2UNICOM, the 5th arc groove are with the oil return opening O on the oil inlet P on the valve pocket and working hole A UNICOM, the 4th arc groove and the valve pocket
1UNICOM, so correspondingly, the oil-in p of fluid on valve body, the rodless cavity that working hole a enters single rod piston oil-cylinder of outside oil supply system, working hole b, the oil return opening O of fluid on valve body in the rod chamber of single rod piston oil-cylinder passes back into external fuel tank, and then the piston that promotes in single rod piston oil-cylinder moves to rod chamber.When Spool rotating to the second working position (lower branch as shown in Figure 5), the oil return opening O on the 3rd arc groove and the valve pocket
2UNICOM, the second arc groove with the oil inlet P on the valve pocket and working hole B UNICOM, the first arc groove with the working hole A on the valve pocket and oil return opening O
1UNICOM; So correspondingly, the oil-in p of fluid on valve body, the rod chamber that working hole b enters single rod piston oil-cylinder of outside oil supply system, working hole a, the oil return opening O of fluid on valve body in the rodless cavity of single rod piston oil-cylinder passes back into external fuel tank, and then the piston that promotes in single rod piston oil-cylinder moves to rodless cavity.That is, when spool rotates a circle, realize commutation once in valve pocket.In addition, the rotary speed of motor is per minute about 1,000 times, accordingly, the spool per minute also rotates about 1,000 times in valve pocket, so, because the commutation effect of stopcock formula reversal valve, the piston of single rod piston oil-cylinder also can move back and forth about 1,000 times by per minute, and then small size double vibrations is provided, this vibration is delivered on the pin that need to extract by the piston rod of two rod piston oil-cylinders.Then, a hydraulic fluid port oil-feed of two rod piston oil-cylinders, another hydraulic fluid port are fuel-displaced, make the piston of two rod piston oil-cylinders move backward (away from the direction of pin), like this, under the acting in conjunction of the vibration of the pulling force of two rod piston oil-cylinders and single rod piston oil-cylinder, pin is extracted from the mine car body.
Based on said process, by mechanical force pin is extracted from the mine car body rapidly, not only time saving and energy saving, and reduced labour intensity, greatly improved production efficiency.
The utility model is simple in structure, reasonable in design, and is easy to use, efficiently solves a kind of problem of extracting the instrument of pin from the mine car body that is exclusively used in of present shortage.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the assembly structure schematic diagram of valve pocket and spool in the stopcock formula reversal valve.
Fig. 3 is the right view of Fig. 2.
Fig. 4 is the Spool rotating of Fig. 2 E-E cutaway view during to the first working position.
Fig. 5 is the Spool rotating of Fig. 2 E-E cutaway view during to the second working position.
Fig. 6 is the F-F cutaway view of Fig. 4.
Fig. 7 is the structural representation of valve body in the stopcock formula reversal valve.
Among the figure, 1-motor, 2-stopcock formula reversal valve, the single rod piston oil-cylinder of 3-, the two rod piston oil-cylinders of 4-, 5-support member, the 10-pin, 11-body, 20-valve body, the 21-valve pocket, 22-spool, 23-shaft extension, 100-the first arc groove, 200-the second arc groove, 300-the 3rd arc groove, 400-the 4th arc groove, 500-the 5th arc groove, 600-the 6th arc groove.
The specific embodiment
Below in conjunction with accompanying drawing specific embodiment of the utility model is elaborated.
As shown in Figure 1, a kind of hydraulic vibration pin pulling out device comprises motor 1, stopcock formula reversal valve 2, single rod piston oil-cylinder 3, two rod piston oil-cylinder 4, support member 5.
Described stopcock formula reversal valve 2 comprises valve body 20, places in the described valve body 20, valve pocket 21 cylindraceous and place spool 22 in the described valve pocket 21.
As shown in Figure 4,5,6 , the body of the valve body 22 of the valve sleeve 21 with a clearance fit cylinder , the cylinder valve 22, an upper surface of the horizontal axis , from one end to the other end , in order a curved inferior arc of the first, second and third arcuate recess 200, 300 ; spool cylinder 22 the lower surface of the horizontal axis from one end to the other end of the turn has a curved arc as inferior the fourth , fifth, sixth arcuate recess 400,500,600 ; said first , second , third, fourth , fifth, sixth arcuate recess 100,200,300,400,500,600 , all on spool 22 over the cylinder axis of symmetry perpendicular to the axis ; horizontal axis of the spool 22, the cylinder surface of the upper surface of the arcuate recess , and the lower surface of the arcuate groove , the position in space intersect each other ( i.e., the first arcuate recess 100 and the second arcuate groove 200 and a second space portion between the arcuate recess 200 and the third interval between the arcuate recess 300 in the space above respectively placed fifth arcuate recess 500 and a sixth arcuate recess 600 within the width in the axial direction , and accordingly , the fourth arcuate recess 400 and the fifth interval between the arcuate recess 500 and the fifth segment arcuate recess arcuate recess 500 and the sixth segment interval between 600 are spatially disposed in the first arcuate recess 100 and the second arcuate recess 200 within the width in the axial direction ) .
As shown in Figure 2, the same bus of described valve pocket 21 on its surface passes through to connect successively and has the oil return opening O of the center of circle on described bus
1, working hole A, oil inlet P, working hole B, oil return opening O
2In fact, the position of working hole A and working hole B can exchange, and function is the same; In like manner, oil return opening O
1With oil return opening O
2The position also can exchange, function is the same.
Shown in Fig. 4,5, described oil return opening O
1, working hole A, oil inlet P, working hole B, oil return opening O
2The mutual alignment should guarantee spool 22 when valve pocket 21 interior rotation, the 6th arc groove 600 is with working hole B and oil return opening O
2UNICOM, the 5th arc groove 500 are with oil inlet P and working hole A UNICOM, the 4th arc groove 400 and oil return opening O
1UNICOM; The 3rd arc groove 300 and oil return opening O
2UNICOM, the second arc groove 200 with oil inlet P and working hole B UNICOM, the first arc groove 100 with working hole A and oil return opening O
1UNICOM.
The outer wall of described valve pocket 21 cooperates with the inwall of described valve body 20 and is fixedly connected with.
As shown in Figure 7, run through on the described valve body 20 and have oil-in p, working hole a, the working hole b corresponding with oil inlet P, working hole A, working hole B difference on the valve pocket 21, also run through having oil return opening O on the valve body 20, the groove of described oil return opening O by valve body 20 inwalls respectively with the oil return opening O of valve pocket 21
1, oil return opening O
2UNICOM.
Shown in Fig. 2,3, an end face of described spool 22 is provided with perpendicular shaft extension 23; Described shaft extension 23 is connected with the output shaft of described motor 1.
As shown in Figure 1, the working hole a of described stopcock formula reversal valve 2, working hole b be connected with two hydraulic fluid ports of described single rod piston oil-cylinder 3 respectively (be working hole a, working hole b all can with single rod piston oil-cylinder on the hydraulic fluid port of rod chamber UNICOM or with the hydraulic fluid port UNICOM of rodless cavity UNICOM), the piston rod of described single rod piston oil-cylinder 3 is connected with a piston rod of described pair of rod piston oil-cylinder 4; Described support member 5 comprises with porose gripper shoe, described gripper shoe one side is connected with the cylinder body of described pair of rod piston oil-cylinder 4, another piston rod of described pair of rod piston oil-cylinder 4 passes the hole of described gripper shoe and the end face of piston rod is connected by the end of screw thread with the threaded screw rod of two ends tool, the another side of described gripper shoe is evenly equipped with screw, is connected with screw rod in the described screw.
Preferably, in described stopcock formula reversal valve 2, described first and second, five, six arc grooves 100,200,500,600 axial width equate, third and fourth arc groove 300, axial wide equate of 400, and the axial width of the first arc groove 100 is greater than the axial width of the 3rd arc groove 300.During implementation, the oil inlet P on the valve pocket 21 of stopcock formula reversal valve 2, working hole A, working hole B, oil return opening O
1, oil return opening O
2The center of circle on same straight line and diameter identical.Preferably, the diameter of the oil inlet P on the diameter of the oil-in p on the valve body 20, working hole a, working hole b, oil return opening O and the valve pocket 21 is identical; Oil return opening O can open the optional position on valve body 20, makes the oil return opening O on oil return opening O and the valve pocket 21 as long as can realize groove by valve body 20 inwalls
1, oil return opening O
2The function of UNICOM gets final product.
It (is that the piston rod of single rod piston oil-cylinder and the end face of the piston rod of two rod piston oil-cylinders all have screw thread that the piston rod of described single rod piston oil-cylinder 3 can be connected by the threaded screw rod of two ends tool with a piston rod of two rod piston oil-cylinders 4, then connect by the threaded screw rod of two ends tool), also can connect by shaft coupling.Another piston rod of described pair of rod piston oil-cylinder 4 is connected (namely be processed with internal thread in the end face of pin, then be connected by the piston rod of tool threaded screw rod in two ends with two rod piston oil-cylinders) by the threaded screw rod of two ends tool with outside pin 10.The another side of described gripper shoe is evenly equipped with screw, is connected with screw rod in the described screw, and when pulling pin, the end face of screw rod directly or be resisted against the surface of external engine body by liner.
Claims (5)
1. a hydraulic vibration pin pulling out device is characterized in that: comprise motor (1), stopcock formula reversal valve (2), single rod piston oil-cylinder (3), two rod piston oil-cylinder (4), support member (5);
Described stopcock formula reversal valve (2) comprises valve body (20), places in the described valve body (20), valve pocket cylindraceous (21) and place the interior spool (22) of described valve pocket (21); The body of described spool (22) is and the cylinder of described valve pocket (21) matched in clearance that the top of the cylindrical horizontal axial plane of spool (22) passes through and is provided with successively first, second and third arc groove that arc is minor arc (100,200,300); The bottom of the cylindrical horizontal axial plane of spool (22) passes through and is provided with successively fourth, fifth, six arc grooves (400,500,600) that arc is minor arc; Described first, second, third and fourth, that five, six arc grooves (100,200,300,400,500,600) are all crossed the vertical axis face of axis about spool (22) cylindrical is symmetrical; Each arc groove of the upper face of the horizontal axial plane of cylinder of spool (22) and each arc groove of lower surface spatially intersect the position mutually; The same bus of described valve pocket (21) on its surface passes through to connect successively and has the oil return opening O of the center of circle on described bus
1, working hole A, oil inlet P, working hole B, oil return opening O
2Described oil return opening O
1, working hole A, oil inlet P, working hole B, oil return opening O
2Mutual alignment should guarantee that spool (22) rotates in valve pocket (21) time, the 6th arc groove (600) is with working hole B and oil return opening O
2UNICOM, the 5th arc groove (500) are with oil inlet P and working hole A UNICOM, the 4th arc groove (400) and oil return opening O
1UNICOM; The 3rd arc groove (300) and oil return opening O
2UNICOM, the second arc groove (200) with oil inlet P and working hole B UNICOM, the first arc groove (100) with working hole A and oil return opening O
1UNICOM;
The outer wall of described valve pocket (21) cooperates with the inwall of described valve body (20) and is fixedly connected with, run through on the described valve body (20) and have oil-in p, working hole a, the working hole b corresponding with oil inlet P, working hole A, working hole B difference on the valve pocket (21), also run through having oil return opening O on the valve body (20), the groove of described oil return opening O by valve body (20) inwall respectively with the oil return opening O of valve pocket (21)
1, oil return opening O
2UNICOM;
One end face of described spool (22) is provided with perpendicular shaft extension (23); Described shaft extension (23) is connected with the output shaft of described motor (1);
The working hole a of described stopcock formula reversal valve (2), working hole b are connected with two hydraulic fluid ports of described single rod piston oil-cylinder (3) respectively, and the piston rod of described single rod piston oil-cylinder (3) is connected with a piston rod of described pair of rod piston oil-cylinder (4);
Described support member (5) comprises with porose gripper shoe, described gripper shoe one side is connected with the cylinder body of described pair of rod piston oil-cylinder (4), another piston rod of described pair of rod piston oil-cylinder (4) passes the hole of described gripper shoe and the end face of piston rod is connected by the end of screw thread with the threaded screw rod of two ends tool, the another side of described gripper shoe is evenly equipped with screw, is connected with screw rod in the described screw.
2. hydraulic vibration pin pulling out device according to claim 1, it is characterized in that: described first and second, the axial width of five, six arc grooves (100,200,500,600) equates, the axial wide of third and fourth arc groove (300,400) equates, and the axial width of the first arc groove (100) is greater than the axial width of the 3rd arc groove (300).
3. hydraulic vibration pin pulling out device according to claim 1 and 2 is characterized in that: oil inlet P, working hole A, working hole B, oil return opening O on the valve pocket (21) of described stopcock formula reversal valve (2)
1, oil return opening O
2Diameter identical; The diameter of the oil inlet P on the diameter of the oil-in p on the valve body (20), working hole a, working hole b, oil return opening O and the valve pocket (21) is identical.
4. hydraulic vibration pin pulling out device according to claim 1 and 2 is characterized in that: the piston rod of described single rod piston oil-cylinder (3) is connected by the threaded screw rod of two ends tool with a piston rod of two rod piston oil-cylinders (4).
5. hydraulic vibration pin pulling out device according to claim 3 is characterized in that: the piston rod of described single rod piston oil-cylinder (3) is connected by the threaded screw rod of two ends tool with a piston rod of two rod piston oil-cylinders (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220397831 CN202726433U (en) | 2012-08-13 | 2012-08-13 | Hydraulic vibration pin pulling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220397831 CN202726433U (en) | 2012-08-13 | 2012-08-13 | Hydraulic vibration pin pulling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202726433U true CN202726433U (en) | 2013-02-13 |
Family
ID=47652182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220397831 Expired - Fee Related CN202726433U (en) | 2012-08-13 | 2012-08-13 | Hydraulic vibration pin pulling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202726433U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102794625A (en) * | 2012-08-13 | 2012-11-28 | 张耀庭 | Hydraulic vibration pull pin device |
| CN106153283B (en) * | 2015-04-15 | 2019-02-01 | 天津航天瑞莱科技有限公司 | A kind of hydraulic vibration gen turnover device |
-
2012
- 2012-08-13 CN CN 201220397831 patent/CN202726433U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102794625A (en) * | 2012-08-13 | 2012-11-28 | 张耀庭 | Hydraulic vibration pull pin device |
| CN102794625B (en) * | 2012-08-13 | 2014-06-18 | 张耀庭 | Hydraulic vibration pull pin device |
| CN106153283B (en) * | 2015-04-15 | 2019-02-01 | 天津航天瑞莱科技有限公司 | A kind of hydraulic vibration gen turnover device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130213 Termination date: 20140813 |
|
| EXPY | Termination of patent right or utility model |