CN207509137U - A kind of throttle orifice pipe hydraulic pressure drawer - Google Patents
A kind of throttle orifice pipe hydraulic pressure drawer Download PDFInfo
- Publication number
- CN207509137U CN207509137U CN201721548982.3U CN201721548982U CN207509137U CN 207509137 U CN207509137 U CN 207509137U CN 201721548982 U CN201721548982 U CN 201721548982U CN 207509137 U CN207509137 U CN 207509137U
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- piston
- collet
- oil cylinder
- chamber
- throttle orifice
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Abstract
The utility model discloses a kind of throttle orifice pipe hydraulic pressure drawers, for pulling attachment technical field, including casing, collet, second oil cylinder of first oil cylinder along sleeve movement can simultaneously be driven by being located at the first oil cylinder of casing leading inside and being located at the first oil cylinder rear, first oil cylinder includes the piston bush being located in described sleeve pipe, the front end of the piston bush forms collet chamber, rear end forms first piston chamber, first piston intracavitary is equipped with first piston, the front end of the collet has at least two blade tooths, the front end of the blade tooth extends out, the first piston is connected by the rear end of axis of traction and collet, and collet retraction collet chamber can be driven and collapse each blade tooth and realize clamping.This product largely reduces the labor intensity of worker, and efficiency is pulled out so as to improve, and substantially reduces the time of maintenance of equipment, and it is exactly to save time cost for client and increasing economic efficiency to shorten the maintenance of equipment time.
Description
Technical field
The utility model is used for pulling attachment technical field, more particularly to a kind of throttle orifice pipe hydraulic pressure drawer.
Background technology
Throttle orifice pipe is vulnerable part important in nuclear power vaporium, since operating mode is more severe in vaporium, for a long time
In being in the big environment of high epidemic disaster, gross distortion and corrosion can occur for throttle orifice pipe, influence its working performance, therefore will
Periodically it from vaporium restricting orifice is extracted, then new throttle orifice pipe is loaded into.But because vaporium is a circle for sealing
Cylinder, narrow space, operator's body that needs to squat down can just enter work, and need very big pulling force ability in process of choosing
Throttle orifice pipe is extracted, is more also nearly 1100 more than one piece of throttle orifice pipe quantity to be pulled out, since quantity of choosing is more, working environment
Badly, labor intensity is big, and existing pulling tool cannot meet requirement.
Utility model content
The purpose of this utility model is to provide a kind of throttle orifice pipe hydraulic pressure drawers, utilize and draw horse structural principle,
It clamps so that throttle orifice pipe is in circumferencial direction uniform stressed, and provides power of choosing using hydraulicdriven mode, there is driving force
Greatly, the characteristics of being easy to transmit.
Technical solution is used by the utility model solves its technical problem：A kind of throttle orifice pipe hydraulic pressure drawer,
Including casing, collet, the first oil cylinder for being located at casing leading inside and it is located at the first oil cylinder rear and can simultaneously drives described first
Second oil cylinder of the oil cylinder along sleeve movement, first oil cylinder include the piston bush being located in described sleeve pipe, the piston bush
Front end forms collet chamber, and rear end forms first piston chamber, and first piston intracavitary is equipped with first piston, and the front end of the collet has
At least two blade tooths, the front end of the blade tooth extend out, and the first piston is connected by the rear end of axis of traction and collet, and can be driven
It moves collet retraction collet chamber and collapses each blade tooth and realize clamping.
The improvement of technical solutions of the utility model is further used as, described sleeve pipe forms second at the rear of the first oil cylinder and lives
Chamber is filled in, second oil cylinder includes being located at the second piston of the second piston intracavitary, and the rear end of the piston bush passes through piston
Axis is connect with second piston.
The improvement of technical solutions of the utility model is further used as, the rear end of the second piston chamber is closed by end cap,
Spring is equipped between the end cap and second piston.
The improvement of technical solutions of the utility model is further used as, is further included through first piston chamber and second piston chamber
Elongated shaft, front end and the traction axis connection of the elongated shaft, rear end stretches out end cap and equipped with handle.
Be further used as the improvement of technical solutions of the utility model, be equipped on the piston bush in the front side of first piston with
The first oilhole that first piston chamber communicates is equipped with second communicated with second piston chamber in described sleeve pipe in the front side of second piston
Oilhole, the first oilhole and the second oilhole are connected to hydraulic power source.
The improvement of technical solutions of the utility model is further used as, the hydraulic power source includes hydraulic pump, the hydraulic pump
Output terminal is equipped with the first branch being connect with the first oilhole and the second branch being connect with the second oilhole, the first branch and the
Two roads are equipped with control valve.
The improvement of technical solutions of the utility model is further used as, the control valve includes high-pressure ball valve.
The improvement of technical solutions of the utility model is further used as, the output terminal of the hydraulic pump is equipped with hydralic pressure gauge.
The improvement of technical solutions of the utility model is further used as, the piston bush is equipped on the inside of the front port of collet chamber
The expansion mouth that can coordinate with collet.
The beneficial effects of the utility model：When the utility model is used, the first hydraulic oil cylinder driving collet retraction collet chamber and make
Each blade tooth collapses the clamping for realizing throttle orifice pipe, and second the first oil cylinder of hydraulic oil cylinder driving realizes pulling out for throttle orifice pipe along sleeve movement
It takes, this product largely reduces the labor intensity of worker, pulls out efficiency so as to improve, substantially reduces maintenance of equipment
Time, it is exactly time cost and to increase economic efficiency being saved for client to shorten the maintenance of equipment time.
Description of the drawings
The utility model is described in further detail below in conjunction with the accompanying drawings：
Fig. 1 is the utility model embodiment structure diagram；
Fig. 2 is the utility model embodiment collet structure front view；
Fig. 3 is the utility model embodiment collet structure side view；
Fig. 4 is that the utility model embodiment collet clamps throttle orifice pipe pre-structure schematic diagram；
Fig. 5 is that the utility model embodiment collet clamps structure diagram after throttle orifice pipe.
Specific embodiment
Referring to figs. 1 to Fig. 5, that show the concrete structures of the preferred embodiment of the utility model.It below will specifically
The design feature of bright each component of the utility model, and during if there is being described to direction (upper and lower, left and right, before and after), it is with Fig. 1
Shown structure is that reference describes, but the actual use direction of the utility model is not limited thereto.
The utility model provides a kind of throttle orifice pipe hydraulic pressure drawer, including casing 1, collet 2, be located at casing 1 before
Second oil cylinder of first oil cylinder along sleeve movement can simultaneously be driven by holding the first oil cylinder of inside and being located at the first oil cylinder rear,
First oil cylinder includes the piston bush 31 being located in described sleeve pipe 1, and the front end of the piston bush 31 forms collet chamber 32, rear end
First piston chamber 33 is formed, first piston 34 is equipped in first piston chamber 33, the front end of the collet 2 has at least two blade tooths
21, blade tooth 21 is distributed uniformly and circumferentially, and shrinkage joint 22 is equipped between adjacent blade tooth 21, and the front end of the blade tooth 21 extends out,
The first piston 34 is connect by axis of traction 35 with the rear end of collet 2, and can be driven 2 retraction collet chamber 32 of collet and be made each pawl
Tooth 21, which collapses, realizes clamping throttle orifice pipe 4, and first passed through for axis of traction 35 is equipped between first piston chamber 33 and collet chamber 32
Via, the hole wall of the first via are equipped with the first sealing ring 36.The piston bush 31 is equipped on the inside of the front port of collet chamber 32
The expansion mouth that can coordinate with collet 2.
When the utility model is used, 2 retraction collet chamber 32 of the first hydraulic oil cylinder driving collet and collapse each blade tooth 21 and realize section
The clamping of discharge orifice pipe 4, second the first oil cylinder of hydraulic oil cylinder driving move along casing 1 and realize choosing for throttle orifice pipe 4, this product is very big
The labor intensity of worker is reduced in degree, efficiency is pulled out so as to improve, the time of maintenance of equipment is substantially reduced, shortens and set
Standby maintenance time is exactly to save time cost for client and increasing economic efficiency.
Described sleeve pipe 1 forms second piston chamber 51 at the rear of the first oil cylinder, and second oil cylinder includes being located at described the
Second piston 52 in two plunger shafts 51, the rear end of the piston bush 31 are connect by piston shaft 53 with second piston 52.Second
The front side cavity wall of plunger shaft 51 is equipped with the second via passed through for piston shaft 53, and the hole wall of the second via is equipped with the second sealing
Circle 54.
The rear end of the second piston chamber 51 is closed by end cap 55, and bullet is equipped between the end cap 55 and second piston 52
Spring 56.Spring 56 can go driving second piston 52 and the structure synchronization being connect with second piston 52 to reset.
In order to ensure that during second piston driving first piston collet 2 can be tensed simultaneously, further include and live through first
The elongated shaft 61 of chamber 33 and second piston chamber 51 is filled in, the front end of the elongated shaft 61 is connect with axis of traction 35, and end cap is stretched out in rear end
55 and equipped with handle 62, elongated shaft 61 is fastened with second piston 52 also by nut.
The first oilhole 71 communicated with first piston chamber 33, institute are equipped on the piston bush 31 in the front side of first piston 34
It states and is equipped with the second oilhole 72 for being communicated with second piston chamber 51 on casing 1 in the front side of second piston 52, the first oilhole 71 and the
Two oilholes 72 are connected to hydraulic power source.Hydraulic power source injects hydraulic oil by the first oilhole 71 and the second oilhole 72, so as to drive the
One piston 34 and second piston 52 move.
Preferably, the hydraulic power source includes hydraulic pump, the output terminal of the hydraulic pump is equipped with to be connect with the first oilhole 71
The first branch 73 and the second branch 74 that is connect with the second oilhole 72, be equipped in the first branch 73 and the second branch 74
Control valve 75.The control valve 75 includes high-pressure ball valve.Hydraulic pump is preferably hydraulic hand-pump 76, the output terminal of the hydraulic pump
Equipped with hydralic pressure gauge 77, hydralic pressure gauge 77 is used for the output pressure of real-time display hydraulic hand-pump 76.
The operation principle of the utility model is as follows：Under hydraulic pressure drawer free state, what 2 each blade tooth 21 of collet was formed
Aperture passes through 4 outer diameter of throttle orifice pipe, and operator suppresses hydraulic hand-pump 76, and hydraulic oil enters first piston by high-pressure oil pipe
Chamber 33 (high-pressure ball valve of the first branch 73, which is in, at this time leads to state, closed state at the high-pressure ball valve of the second branch 74) is in oil pressure
Under the action of first piston 34 move upwards, drive collet 2 move upwards because piston bush 31 is to remain static at this time
, 2 aperture of collet is shunk under the action of the expansion mouth of 30 ° of bell mouth shapes of piston bush during so as to move upwards collet 2, set
2 aperture of pawl is less than 4 path of throttle orifice pipe, so as to play the purpose for clamping throttle orifice pipe 4, after throttle orifice pipe 4 is clamped, and closing the
One branch, 73 high-pressure ball valve opens 74 high-pressure ball valve of the second branch, and operator continues to suppress hydraulic hand-pump 76, because at this time
73 high-pressure ball valve of the first branch is turned off, therefore hydraulic oil initially enters second piston chamber 51, under oil pressure effect, second piston 52
The pulling force that piston bush 31 and collet 2 is driven integrally to move upwards, so as to play the purpose for throttle orifice pipe 4 of choosing.
Certainly, the invention is not limited to the above embodiment, and those skilled in the art are without prejudice to originally
Equivalent variations or replacement can be also made under the premise of utility model spirit, these equivalent modifications or replacement are all contained in the application
In claim limited range.
Claims (9)
1. a kind of throttle orifice pipe hydraulic pressure drawer, it is characterised in that：Including casing, collet, be located at casing leading inside
It one oil cylinder and is located at the first oil cylinder rear and can simultaneously drive second oil cylinder of first oil cylinder along sleeve movement, first oil
Cylinder includes the piston bush being located in described sleeve pipe, and the front end of the piston bush forms collet chamber, and rear end forms first piston chamber, the
First piston is equipped in one plunger shaft, the front end of the collet has at least two blade tooths, and the front end of the blade tooth extends out, described
First piston is connected by the rear end of axis of traction and collet, and can be driven collet retraction collet chamber and be collapsed each blade tooth and realize folder
Tightly.
2. throttle orifice pipe hydraulic pressure drawer according to claim 1, it is characterised in that：Described sleeve pipe is in the first oil cylinder
Rear forms second piston chamber, and second oil cylinder includes being located at the second piston of the second piston intracavitary, the piston bush
Rear end connect by piston shaft with second piston.
3. throttle orifice pipe hydraulic pressure drawer according to claim 2, it is characterised in that：The rear end of the second piston chamber
It is closed by end cap, spring is equipped between the end cap and second piston.
4. throttle orifice pipe hydraulic pressure drawer according to claim 3, it is characterised in that：It further includes through first piston chamber
With the elongated shaft of second piston chamber, front end and the traction axis connection of the elongated shaft, rear end stretches out end cap and equipped with handle.
5. throttle orifice pipe hydraulic pressure drawer according to claim 2, it is characterised in that：It lives on the piston bush first
The front side of plug is equipped with the first oilhole communicated with first piston chamber, is equipped in the front side of second piston in described sleeve pipe and lives with second
The second oilhole that plug chamber communicates, the first oilhole and the second oilhole are connected to hydraulic power source.
6. throttle orifice pipe hydraulic pressure drawer according to claim 5, it is characterised in that：The hydraulic power source includes hydraulic pressure
Pump, the output terminal of the hydraulic pump are equipped with the first branch being connect with the first oilhole and the second branch being connect with the second oilhole,
Control valve is equipped in the first branch and the second branch.
7. throttle orifice pipe hydraulic pressure drawer according to claim 6, it is characterised in that：The control valve includes smash
Valve.
8. throttle orifice pipe hydraulic pressure drawer according to claim 6, it is characterised in that：The output terminal of the hydraulic pump is set
There is hydralic pressure gauge.
9. throttle orifice pipe hydraulic pressure drawer according to claim 1, it is characterised in that：The piston bush is in collet chamber
The expansion mouth that can coordinate with collet is equipped on the inside of front port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721548982.3U CN207509137U (en) | 2017-11-17 | 2017-11-17 | A kind of throttle orifice pipe hydraulic pressure drawer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721548982.3U CN207509137U (en) | 2017-11-17 | 2017-11-17 | A kind of throttle orifice pipe hydraulic pressure drawer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207509137U true CN207509137U (en) | 2018-06-19 |
Family
ID=62539353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721548982.3U Active CN207509137U (en) | 2017-11-17 | 2017-11-17 | A kind of throttle orifice pipe hydraulic pressure drawer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207509137U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108941429A (en) * | 2018-07-31 | 2018-12-07 | 眉山中车紧固件科技有限公司 | A kind of rivet provision for disengagement |
| CN112454266A (en) * | 2020-12-10 | 2021-03-09 | 中国人民解放军陆军航空兵学院 | Pulling device for single switch button of helicopter LACU |
-
2017
- 2017-11-17 CN CN201721548982.3U patent/CN207509137U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108941429A (en) * | 2018-07-31 | 2018-12-07 | 眉山中车紧固件科技有限公司 | A kind of rivet provision for disengagement |
| CN112454266A (en) * | 2020-12-10 | 2021-03-09 | 中国人民解放军陆军航空兵学院 | Pulling device for single switch button of helicopter LACU |
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