CN210978707U - General type intermittent type formula valve opens closed mechanical tongs - Google Patents
General type intermittent type formula valve opens closed mechanical tongs Download PDFInfo
- Publication number
- CN210978707U CN210978707U CN201921749870.3U CN201921749870U CN210978707U CN 210978707 U CN210978707 U CN 210978707U CN 201921749870 U CN201921749870 U CN 201921749870U CN 210978707 U CN210978707 U CN 210978707U
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- push rod
- disc base
- limited
- rotating shaft
- pin
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Abstract
The utility model relates to the field of mechanical grippers, a general intermittent type formula valve opens closed mechanical gripper, including rotation axis, cylindrical cam, ring baffle, push rod, spring, round pin, disc base, crowbar and bracing piece, the rotation axis meets with the reduction gear, its cross-section part is regular hexagon, cooperate with the push rod of the slider form of built-in regular hexagon recess, the two forms cam mechanism with cylindrical cam, the cam links firmly with the motor base through the bracing piece, and is detained above disc base by ring baffle, disc base is overhead to have the crowbar, its fulcrum is close to disc base edge, can cooperate six archs of disc base below equipartition to accomplish the work of opening and closing of handle type valve; under the prerequisite that does not remove original valve top handle or hand wheel, this utility model helps realizing the pipeline automated management process, especially under the condition of cooperation arm and robot vision, the automatic sluicing of tank car, draining process on the oil field can be realized to this device.
Description
Technical Field
The utility model relates to a mechanical tongs technical field is a closed mechanical tongs is opened to general type intermittent type formula valve.
Background
According to research, most of valve opening and closing devices on the market are based on changing the structure of a valve part, and have no practical significance for occasions where some valve parts cannot be replaced. In the oil field water injection operation, because of partial oil well distributes sparsely, need adopt the tank car fortune water in order to accomplish the water injection operation, the valve on it can generally divide into two kinds according to its shape, can divide into hand wheel type valve and handle type valve that has ratchet switch, because of the tank car mobility is big, the unable change of valve part structure, the utility model discloses can cooperate arm and robot vision on the basis that does not change the current structure of valve, accomplish the automation process that the tank car sluices, draining, the utility model discloses not only be limited to the tank car, most of valves have certain commonality in to the production life, help realizing pipeline automated management process.
SUMMERY OF THE UTILITY MODEL
The utility model provides a closed mechanical tongs is opened to general type intermittent type formula valve to the problem that the automation process is obstructed because of unable change valve part structure that proposes makes in solving above-mentioned background.
The utility model discloses a realize through following technical measure:
a universal intermittent mechanical gripper for opening and closing a valve comprises a rotating shaft, a first spring, a push rod, a roller, a support rod, a pry bar, a pin, a second spring, a cylindrical cam, a circular ring baffle, a screw and a disc base, wherein in the cylindrical cam mechanism, a regular hexagonal inner hole is formed in the center of the push rod in a sliding block mode to be in clearance fit with a regular hexagonal prism part of the rotating shaft, a boss is arranged above the rotating shaft, and the push rod is restrained on the surface of the cylindrical cam through the spring; the cam is fixedly connected with the motor base through a support rod and is buckled above the disc base in a matched manner with the annular baffle, and the cam and the disc base rotate relatively; the center of the disc base is provided with a stepped groove, the shape of the stepped groove is the same as that of the pin, the stepped groove is matched with the pin, a spring is additionally arranged between the stepped groove and the pin, when the push rod moves to the bottom end, the pin is matched with an inner hole of the push rod, the pin is subjected to torque transmitted by the rotating shaft, the disc base is driven to rotate, the lower end of the disc base protrudes to apply torque, and a handle and a hand wheel are rotated to finish the; the prying bar fulcrum is positioned at the edge of the disc base, the push rod descends to force the lower end of the prying bar to be lifted upwards, and the opening work of the ratchet switch is completed before the disc base does not apply torque to the handle; the upper half part of the rotating shaft is a cylinder, a boss is arranged on the cylinder, and the cross section of the lower half part of the rotating shaft is a polygon; the push rod is in clearance fit with the rotating shaft in a sliding block mode, the section of an inner hole of the push rod is polygonal, and stepped shafts for placing rollers are arranged on the left side and the right side of the push rod.
The following are further optimization and/or improvement of the technical scheme of the utility model:
preferably, the lower half section of the rotating shaft is not limited in shape and size.
Preferably, the shape and size of the inner bore of the push rod is not limited.
Preferably, the cylindrical cam is of an axisymmetric structure, and the circumferential proportion of the convex part and the plane part is not limited.
Preferably, a plurality of threaded holes are uniformly distributed around the cylindrical cam, and the number and the size of the threaded holes are not limited.
Preferably, the edge of the cylindrical cam and the edge of the threaded hole have a space, and the size of the cylindrical cam is not limited.
Preferably, the center of the disc base is provided with a stepped groove, the cross sectional area of the lower half part is smaller than that of the upper half part, and the cross sectional shape and size are not limited.
Preferably, the bottom of the disc base is uniformly provided with a protrusion capable of transmitting torque, the edge of the protrusion is provided with a fulcrum capable of being provided with a pry bar, and the shape and the size of the protrusion are not limited.
Preferably, the lower end of the pry bar has a hook-shaped corner for applying pressure to the ratchet switch, and the shape and size thereof are not limited.
Preferably, the pin is in a step shape, the cross sectional area of the lower half part is smaller than that of the upper half part, and the cross sectional shape and size are not limited; circular holes for screws to pass through are uniformly distributed on the circular ring baffle, and spaces are reserved between the edge of the inner ring of the baffle and the edge of the circular holes, so that the size of the reserved space is not limited.
The utility model has reasonable and compact structure, the push rod must be limited on the surface of the cylindrical cam, so the rotating shaft is provided with a boss, the push rod is tightly attached to the surface of the cylindrical boss under the action of the spring force, and the structure is as shown in figure 3; the lower part of the rotating shaft is provided with a hexagonal prism which is in clearance fit with a regular hexagonal inner hole of the push rod so as to transfer torque and reduce friction, the left end and the right end of the push rod are in a step shape so as to install rollers, and the structure is shown in figure 4; the cylindrical cam is in an axisymmetric structure, can control the movement law of the push rod to open the ratchet switch of the handle type valve, and because the maximum rotation angle of the handle type valve with the ratchet switch in the market is 90 degrees, the convex part and the plane part of the cam respectively occupy one half of the circumference, as shown in figure 5; a plurality of threaded holes are uniformly distributed around the cylindrical cam and can be in threaded connection with the supporting rod to fix the position of the cylindrical cam, a space is reserved between the edge of the threaded hole and the edge of the cylindrical cam, and the cylindrical cam can be matched with a circular ring baffle (shown in figure 9) to form movable connection (relative rotation) with the disc base, and the structure is shown in figure 2; the center of the disc base is provided with a stepped groove, the shape of the stepped groove is the same as that of a pin (shown in figure 8), the section of the lower half part of the stepped groove is square, the section of the upper half part of the stepped groove is regular hexagon, the stepped groove can be matched with the pin to transmit torque, and the pin is provided with a spring between the pin and a push rod because the pin is easy to wear edges and corners when being connected with the push rod, so that the pin can be pushed down by the push rod for a certain distance and then can be bounced into an inner hole of; the crowbar fulcrum is arranged at the edge of the disc base, the lower end of the crowbar fulcrum is lifted up along with the descending of the push rod, and the opening work of the ratchet switch can be completed before the moment is not applied to the handle, and the structure is shown in figure 7; a plurality of strip-shaped bulges are uniformly distributed below the disc base to transmit torque to a hand wheel/handle to complete the opening and closing work of the valve, and the structure is shown in figure 6.
In normal operation, the axis of the device is aligned with the axis of the valve, and the hand wheel/handle is embedded in the bulge of the disc base. Because of the cam mechanism, the device is in intermittent motion for the valve with the handwheel/handle needing to rotate more than one quarter of the circumference, when the push rod 3 is lowered to the bottom end, the central hole connects the rotating shaft with the pin, the opening and closing functions of the valve are realized, and the problem that the automatic process is blocked because the partial structure of the valve cannot be changed in the prior art is solved.
Drawings
Fig. 1 is a top view of the present invention.
Fig. 2 is a rotary sectional view of the present invention.
Fig. 3 is a schematic view of the structure of the rotating shaft of the present invention.
Fig. 4 is a schematic view of the structure of the push rod of the present invention.
Fig. 5 is a schematic structural view of the cylindrical cam of the present invention.
Fig. 6 is a schematic diagram of the structure of the disc base of the present invention.
Fig. 7 is a schematic view of the pry bar structure of the present invention.
Fig. 8 is a schematic view of the pin structure of the present invention.
Fig. 9 is a schematic view of the ring baffle structure of the present invention.
Fig. 10 is a perspective view of the present invention.
The codes in the figures are respectively: 1. a rotating shaft; 2. a first spring; 3. a push rod; 4. a roller; 5. a support bar; 6. a crowbar; 7. a pin; 8. a second spring; 9. a cylindrical cam; 10. a circular ring baffle; 11. a screw; 12. a disc base.
Detailed Description
The utility model discloses do not receive the restriction of following embodiment, can be according to the utility model discloses a technical scheme and actual conditions determine concrete implementation.
In the present invention, for convenience of description, the description of the relative position relationship of the components is described according to the layout pattern of fig. 2 of the specification, such as: the positional relationship of front, rear, upper, lower, left, right, etc. is determined in accordance with the layout direction of fig. 2 in the specification.
The invention is further described below with reference to the following examples and accompanying drawings:
as shown in fig. 1, 2, 3, 4, 5, 6, 7, 8, 9, and 10, a general intermittent mechanical gripper for opening and closing a valve comprises a rotating shaft 1, a first spring 2, a push rod 3, a roller 4, a support rod 5, a pry bar 6, a pin 7, a second spring 8, a cylindrical cam 9, a ring baffle 10, a screw 11, and a disc base 12, wherein in the cylindrical cam 9 mechanism, the push rod 3 is provided with a regular hexagonal inner hole in the center in a sliding block form to be in clearance fit with a regular hexagonal prism part of the rotating shaft 1, a boss is arranged above the rotating shaft 1, and the push rod 3 is restrained on the surface of the cylindrical cam 9 by the spring; the cam is fixedly connected with the motor base through a support rod 5 and is buckled above the disc base 12 in a matched manner with the annular baffle 10, and the cam and the disc base rotate relatively; a stepped groove is formed in the center of the disc base 12, the shape of the stepped groove is the same as that of the pin 7, the stepped groove is matched with the pin 7, a spring is additionally arranged between the stepped groove and the pin 7, when the push rod 3 moves to the bottom end, the pin 7 is matched with an inner hole of the push rod 3, the pin 7 is subjected to torque transmitted by the rotating shaft 1, the disc base 12 is driven to rotate, the lower end of the disc base 12 protrudes to apply torque, and a handle and a hand wheel are rotated to complete; the fulcrum of the pry bar 6 is positioned at the edge of the disc base 12, the push rod 3 descends to force the lower end of the pry bar 6 to be lifted upwards, and the opening work of the ratchet switch is completed before the disc base 12 applies no moment to the handle; the upper half part of the rotating shaft 1 is a cylinder, a boss is arranged on the cylinder, and the cross section of the lower half part of the rotating shaft is a polygon; the push rod 3 is in clearance fit with the rotating shaft 1 in a sliding block mode, the section of an inner hole of the push rod is polygonal, and stepped shafts for placing the rollers 4 are arranged on the left side and the right side.
The utility model has reasonable and compact structure, the push rod 3 must be limited on the surface of the cylindrical cam 9, so the rotating shaft 1 is provided with a boss, the push rod 3 is tightly attached to the surface of the cylindrical boss under the action of the spring force, and the structure is as shown in figure 3; the lower part of the rotating shaft 1 is a hexagonal prism which is in clearance fit with a regular hexagonal inner hole of the push rod 3 so as to transfer torque and reduce friction, the left end and the right end of the push rod 3 are in a step shape so as to install the roller 4, and the structure is shown in figure 4; the cylindrical cam 9 is in an axisymmetric structure, can control the movement law of the push rod 3 to open the ratchet switch of the handle type valve, and because the maximum rotation angle of the handle type valve with the ratchet switch in the market is 90 degrees, the convex part and the plane part of the cam respectively occupy one half of the circumference, as shown in figure 5; a plurality of threaded holes are uniformly distributed around the cylindrical cam 9 and can be in threaded connection with the support rod 5 to fix the position of the cylindrical cam, a space is reserved between the edge of each threaded hole and the edge of the cylindrical cam 9, and the cylindrical cam can be matched with a circular ring baffle 10 (shown in figure 9) to form movable connection (relative rotation) with a disc base 12, and the structure is shown in figure 2; the center of the disc base 12 is provided with a stepped groove, the shape of the stepped groove is the same as that of the pin 7 (shown in figure 8), the section of the lower half part is square, the section of the upper half part is regular hexagon and can be matched with the pin 7 to transmit torque, and because the pin 7 is easy to abrade edges and corners when being connected with the push rod 3, a spring is arranged between the pin 7 and the push rod 3 to ensure that the pin 7 can be pressed down by the push rod 3 for a certain distance and then is bounced into an inner hole of the push rod 3, so that the service life of the; the fulcrum of the pry bar 6 is arranged at the edge of the disc base 12, the lower end of the pry bar is lifted up along with the descending of the push rod 3, and the opening work of the ratchet switch can be completed before the moment is not applied to the handle, and the structure is shown in fig. 7; a plurality of strip-shaped bulges are uniformly distributed below the disc base 12 to transmit torque to a hand wheel/handle to complete the opening/closing work of the valve, and the structure is shown in figure 6.
In normal operation, the axis of the device is aligned with the axis of the valve, and the hand wheel/handle is embedded in the protrusion of the disc base 12. Because of the cam mechanism, the device is in intermittent motion for the valve with the handwheel/handle needing to rotate more than one quarter of the circumference, when the push rod 3 is lowered to the bottom end, the central hole connects the rotating shaft 1 with the pin 7, the opening/closing function of the valve is realized, and the problem that the automatic process is blocked because the partial structure of the valve can not be changed in the prior art is solved.
The universal intermittent valve opening and closing mechanical gripper can be further optimized and/or improved according to actual needs:
as shown in fig. 2, the lower half of the rotary shaft 1 is not limited in cross-sectional shape and size.
As shown in fig. 2, the shape and size of the inner hole of the push rod 3 are not limited.
As shown in fig. 2, the cylindrical cam 9 has an axisymmetric structure, and the circumferential ratio of the convex portion to the flat portion is not limited.
As shown in fig. 2, a plurality of threaded holes are uniformly distributed around the cylindrical cam 9, and the number and the size of the threaded holes are not limited.
As shown in fig. 2, the edge of the cylindrical cam 9 is spaced from the edge of the threaded hole, and the size is not limited.
As shown in fig. 2, the center of the disc base 12 has a stepped groove, the cross-sectional area of the lower half is smaller than that of the upper half, and the cross-sectional shape and size are not limited.
As shown in fig. 2, the disc base 12 is uniformly distributed with torque-transmitting protrusions below, and the edge of the torque-transmitting protrusions is provided with a fulcrum for mounting the pry bar 6, so that the shape and size of the protrusions are not limited.
As shown in fig. 2, the lower end of the pry bar 6 has a hook-shaped corner for applying pressure to the ratchet switch, and the shape and size thereof are not limited.
As shown in fig. 2, the pin 7 is stepped, the cross-sectional area of the lower half is smaller than that of the upper half, and the cross-sectional shape and size are not limited; circular holes for screws 11 to pass through are uniformly distributed in the circular ring baffle 10, and spaces are reserved between the edges of the inner ring of the baffle and the edges of the circular holes, so that the size of the reserved spaces is not limited.
The above technical features constitute the best embodiment of the present invention, which has stronger adaptability and best implementation effect, and can increase or decrease unnecessary technical features according to actual needs to satisfy different requirements.
Claims (10)
1. A universal intermittent mechanical gripper for opening and closing a valve is characterized by comprising a rotating shaft, a first spring, a push rod, a roller, a support rod, a pry bar, a pin, a second spring, a cylindrical cam, a circular ring baffle, a screw and a disc base, wherein in the cylindrical cam mechanism, a regular hexagonal inner hole is formed in the center of the push rod in a sliding block mode to be in clearance fit with a regular hexagonal prism part of the rotating shaft, a boss is arranged above the rotating shaft, and the push rod is restrained on the surface of the cylindrical cam through the spring; the cam is fixedly connected with the motor base through a support rod and is buckled above the disc base in a matched manner with the annular baffle, and the cam and the disc base rotate relatively; the center of the disc base is provided with a stepped groove, the shape of the stepped groove is the same as that of the pin, the stepped groove is matched with the pin, a spring is additionally arranged between the stepped groove and the pin, when the push rod moves to the bottom end, the pin is matched with an inner hole of the push rod, the pin is subjected to torque transmitted by the rotating shaft, the disc base is driven to rotate, the lower end of the disc base protrudes to apply torque, and a handle and a hand wheel are rotated to finish the; the prying bar fulcrum is positioned at the edge of the disc base, the push rod descends to force the lower end of the prying bar to be lifted upwards, and the opening work of the ratchet switch is completed before the disc base does not apply torque to the handle; the upper half part of the rotating shaft is a cylinder, a boss is arranged on the cylinder, and the cross section of the lower half part of the rotating shaft is a polygon; the push rod is in clearance fit with the rotating shaft in a sliding block mode, the section of an inner hole of the push rod is polygonal, and stepped shafts for placing rollers are arranged on the left side and the right side of the push rod.
2. The universal intermittent valve opening and closing mechanical gripper as claimed in claim 1, wherein the cross-sectional shape and size of the lower half of the rotating shaft are not limited.
3. The universal intermittent valve opening and closing mechanical gripper as recited in claim 1, wherein the push rod bore is not limited in shape and size.
4. The universal intermittent valve opening and closing mechanical gripper as recited in claim 1, wherein the cylindrical cam is of an axisymmetric structure, and the ratio of the circumference occupied by the convex portion and the flat portion is not limited.
5. The general intermittent mechanical gripper for opening and closing the valve as claimed in claim 1, wherein a plurality of threaded holes are uniformly distributed around the cylindrical cam, and the number and the size of the threaded holes are not limited.
6. The universal intermittent valve opening and closing mechanical gripper as claimed in claim 1, wherein the cylindrical cam edge and the threaded hole edge are spaced apart and are not limited in size.
7. The universal intermittent mechanical valve opening and closing gripper as claimed in claim 1, wherein the disc base has a stepped groove in the center, the cross-sectional area of the lower half is smaller than that of the upper half, and the cross-sectional shape and size are not limited.
8. The universal intermittent mechanical gripper for opening and closing the valve as claimed in claim 1, wherein the disc base is uniformly provided with protrusions capable of transmitting torque, the edge of the protrusions is provided with a fulcrum capable of being provided with a pry bar, and the shape and size of the protrusions are not limited.
9. The universal intermittent valve opening and closing mechanical gripper as recited in claim 1, wherein the lower end of the pry bar has hook-shaped corners that can apply pressure to the ratchet switch, and the shape and size of the hook-shaped corners are not limited.
10. The universal intermittent valve opening and closing mechanical gripper as claimed in claim 1, wherein the pin is stepped, the cross-sectional area of the lower half is smaller than that of the upper half, and the cross-sectional shape and size are not limited; circular holes for screws to pass through are uniformly distributed on the circular ring baffle, and spaces are reserved between the edge of the inner ring of the baffle and the edge of the circular holes, so that the size of the reserved space is not limited.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921749870.3U CN210978707U (en) | 2019-10-18 | 2019-10-18 | General type intermittent type formula valve opens closed mechanical tongs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921749870.3U CN210978707U (en) | 2019-10-18 | 2019-10-18 | General type intermittent type formula valve opens closed mechanical tongs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210978707U true CN210978707U (en) | 2020-07-10 |
Family
ID=71445442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921749870.3U Expired - Fee Related CN210978707U (en) | 2019-10-18 | 2019-10-18 | General type intermittent type formula valve opens closed mechanical tongs |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210978707U (en) |
-
2019
- 2019-10-18 CN CN201921749870.3U patent/CN210978707U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200710 Termination date: 20201018 |
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| CF01 | Termination of patent right due to non-payment of annual fee |