CN204673262U - Bolt stretching machine Compact Mounts - Google Patents
Bolt stretching machine Compact Mounts Download PDFInfo
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- CN204673262U CN204673262U CN201520135303.4U CN201520135303U CN204673262U CN 204673262 U CN204673262 U CN 204673262U CN 201520135303 U CN201520135303 U CN 201520135303U CN 204673262 U CN204673262 U CN 204673262U
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- stretching machine
- piston rod
- bolt stretching
- piston
- cylinder body
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Abstract
The utility model relates to a kind of bolt stretching machine Compact Mounts.It solve the problems such as existing bolt stretching machine horizontal adjustment inconvenience.Comprise the cylinder body that inside has cavity, cylinder body open at one end, the other end is closed, and cylinder body opening end is closed by cylinder cap, piston rod is equipped with in cylinder body, piston rod one end is arranged in cylinder cap and this end is connected with suspension hook, the piston rod other end is arranged in cylinder body blind end and this blind end is connected with installing rack, be arranged with the piston body that cavity can be separated into main chamber and secondary cavity on the piston rod, valve seat is provided with outside cylinder body, valve seat is provided with piston slip control structure, and between piston body and cylinder cap, be provided with the elastic reset structure that piston body maintenance can be made to secondary cavity direction movement tendency.The advantage of this bolt stretching machine Compact Mounts is: structure is simple, good stability, is easy to operation, and make bolt stretching machine be convenient to adjustment horizontal tilt angle, accuracy is high.
Description
Technical field
The utility model belongs to mechanical equipment technical field, especially relates to a kind of bolt stretching machine Compact Mounts.
Background technology
Bolt stretching machine is a kind of hydraulic power source provided by fluid power booster, utilize the expansion force that superpressure oil pump produces, the bolt of the power that is applied in is elongated in its elastic deformation area, diameter of bolt slight deformation, thus make nut be easy to loosen or apply as hydraulic pressure excessively full connection the device of axial force, carry out top pressure to install, thus making the bolt of all size be convenient to device that is fastening and dismounting, it is widely used in the fields such as petrochemical industry, nuclear power, wind-powered electricity generation, water power, thermoelectricity, boats and ships, railway, Aero-Space, mining, heavy-duty machinery.Because it belongs to super-pressure product, need very accurate during installation, horizontal tilt angle during the installation of existing bolt stretching machine is many first by the mode of manual measurement, then suspender is adopted to adjust its Realize, poor stability when making bolt stretching machine install like this, installation process is comparatively loaded down with trivial details, and levelness is inadequate, poor accuracy, so greatly hinders normal mounting and the use of bolt stretching machine.
In order to solve prior art Problems existing, people have carried out long-term exploration, propose solution miscellaneous.Such as, Chinese patent literature discloses a kind of auxiliary installation device for hydraulic bolt tensioning jack [application number: 201010250201.9], comprise clamp system, slide block guide rail mechanism and connecting rod, clamp system comprises clamping plate, bearing pin, clamping plate bolt and nut, jump ring, for multiple hydraulic bolt tensioning jack is fixed on this device; Slide block guide rail mechanism comprises slide block, guide rail, upper cover plate, index dial, limited block, and connecting rod one end is connected with the bearing pin of clamp system by the kidney-shaped hole slot on it, and the slide block of the other end and slide block guide rail mechanism, is connected through the hinge.Such scheme to some extent solves the problem that existing bolt stretching machine Compact Mounts installs inconvenience, but the program still fundamentally cannot solve the inconvenience of horizontal tilt angle adjustment, the problem of poor accuracy.
Summary of the invention
The purpose of this utility model is for the problems referred to above, provides a kind of simple and reasonable, the bolt stretching machine Compact Mounts of good stability.
For achieving the above object, the utility model have employed following technical proposal: this bolt stretching machine Compact Mounts, comprise the cylinder body that inside has cavity, it is characterized in that, described cylinder body open at one end, the other end is closed, and described cylinder body opening end is closed by cylinder cap, piston rod is equipped with in described cylinder body, described piston rod one end is arranged in cylinder cap and this end is connected with the suspension hook be connected with top cover suspender by dismountable structure, the described piston rod other end is arranged in cylinder body blind end and this blind end is connected with the installing rack be connected with bolt stretching machine one end, be arranged with on the piston rod and be fixedly linked with piston rod and cavity can be separated into the piston body of main chamber and secondary cavity, valve seat is provided with outside cylinder body, described valve seat is provided with and can injects in main chamber according to bolt stretching machine horizontal tilt angle or extracting liquid thus the piston slip control structure that piston body is moved back and forth, and between described piston body and cylinder cap, be provided with the elastic reset structure that piston body can be made to keep to secondary cavity direction movement tendency.Obviously, here suspension hook is connected with containment internal head cover suspender, installing rack is connected with bolt stretching machine and makes whole bolt stretching machine install good stability, and realize the angle of inclination of bolt stretching machine one end when piston slip control structure control piston body slides, thus realize the adjustment of horizontal tilt angle.
In above-mentioned bolt stretching machine Compact Mounts, described piston slip control structure comprises the obliquity sensor be arranged on bolt stretching machine, described obliquity sensor is connected with the 2/2-way hydraulic valve be arranged on valve seat by controller, and described 2/2-way hydraulic valve is connected with main chamber by interface channel.Namely bolt stretching machine horizontal tilt angle is measured by obliquity sensor, as levelness does not meet the demands, the operating position that 2/2-way hydraulic valve changes valve core of the electromagnetic valve is controlled according to controller, thus make hydraulic oil enter main chamber, piston rod in cylinder body, relative position moves, thus reduce the height of bolt stretching machine in this position, when generation adjusting range exceeds the situation of actual angle of inclination, again level-off again after piston rod adjustment need to be made in Compact Mounts to reset, namely connecting passage is unimpeded, piston rod relies on its deadweight that hydraulic oil is discharged main chamber, realize Compact Mounts zero.
In above-mentioned bolt stretching machine Compact Mounts, described interface channel comprises and being arranged in valve seat and L-shaped first liquid passage, described first liquid passage two ends are respectively equipped with sealing-plug, and described first liquid passage end sidepiece is connected with 2/2-way hydraulic valve, other end sidepiece is connected with main chamber by the second liquid passage vertical with this end.Obviously, sealing-plug is here convenient to the injection of hydraulic oil or the maintenance of device.
In above-mentioned bolt stretching machine Compact Mounts, in described main chamber, be provided with the limiting bush being placed on piston rod, and described limiting bush and cylinder cap are fixedly linked.Make to carry out axial limiting to the movement of piston body.
In above-mentioned bolt stretching machine Compact Mounts, described elastic reset structure comprises and being arranged in main chamber and the back-moving spring be sheathed on piston rod, and described back-moving spring one end to be arranged in limiting bush and with limiting bush bottom mutually against, the other end is against setting on the piston body.
In above-mentioned bolt stretching machine Compact Mounts, described installing rack comprises the support body in having U-shaped opening, described piston rod is through support body and extend towards U-shaped opening, described support body one end and cylinder body are fixedly linked, the other end is provided with can by the bearing pin of U-shaped closure of openings, and one end that described bearing pin is positioned at outside support body is provided with resilient key, and described resilient key is connected with support body by steel wire rope.Namely by bearing pin, U-shaped closure of openings is realized being connected of support body and bolt stretching machine.
In above-mentioned bolt stretching machine Compact Mounts, described dismountable structure comprises the turnbuckle be arranged between piston rod end and suspension hook, and described turnbuckle one end is connected with piston rod is removable, and the other end is connected with suspension hook is removable.
In above-mentioned bolt stretching machine Compact Mounts, described valve seat is connected with cylinder body by some bolts, and described valve seat is provided with the cover body that can cover on 2/2-way hydraulic valve.
In above-mentioned bolt stretching machine Compact Mounts, described controller is connected with the reset button of the zeros data that obliquity sensor can be recorded.When bolt stretching machine first time is located in accurate location, take accurate location as benchmark, by zero-setting button, the obliquity sensor on bolt stretching machine is reset, with accurate location surface for relative level face.
In above-mentioned bolt stretching machine Compact Mounts, described cylinder cap is connected with cylinder body by some set bolts, and described piston rod outer circumferential is provided with some sealing rings between piston rod and cylinder cap.Obviously, sealing when piston body moves is which enhanced.
Compared with prior art, the advantage of this bolt stretching machine Compact Mounts is: structure is simple, good stability, is easy to operation, and make bolt stretching machine be convenient to adjustment horizontal tilt angle, accuracy is high.
Accompanying drawing explanation
The structural representation that Fig. 1 provides for the utility model.
The structure sectional view that Fig. 2 provides for the utility model.
The structured flowchart that Fig. 3 provides for the utility model.
In figure, cylinder body 1, cylinder cap 11, set bolt 111, sealing ring 112, valve seat 12, bolt 121, cover body 122, limiting bush 13, piston rod 2, suspension hook 3, turnbuckle 31, installing rack 4, U-shaped opening 41, support body 42, bearing pin 43, resilient key 44, steel wire rope 45, piston body 5, main chamber 51, secondary cavity 52, piston slip control structure 6, obliquity sensor 61, controller 62, 2/2-way hydraulic valve 63, interface channel 64, first liquid passage 641, sealing-plug 642, second liquid passage 643, elastic reset structure 7, back-moving spring 71, reset button 8.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in more detail.
As Figure 1-3, this bolt stretching machine Compact Mounts, comprise the cylinder body 1 that inside has cavity, cylinder body 1 open at one end, the other end is closed, and cylinder body 1 opening end is closed by cylinder cap 11, piston rod 2 is equipped with in cylinder body 1, piston rod 2 one end is arranged in cylinder cap 11 and this end is connected with the suspension hook 3 be connected with top cover suspender by dismountable structure, piston rod 2 other end is arranged in cylinder body 1 blind end and this blind end is connected with the installing rack 4 be connected with bolt stretching machine one end, piston rod 2 is arranged with and is fixedly linked with piston rod 2 and cavity can be separated into the piston body 5 of main chamber 51 and secondary cavity 52, valve seat 12 is provided with outside cylinder body 1, valve seat 12 is provided with and can injects in main chamber 51 according to bolt stretching machine horizontal tilt angle or extracting liquid thus the piston slip control structure 6 that piston body 5 is moved back and forth, and between piston body 5 and cylinder cap 11, be provided with the elastic reset structure 7 that piston body 5 can be made to keep to secondary cavity 52 direction movement tendency, namely suspension hook 3 is here connected with containment internal head cover suspender, installing rack 4 is connected with bolt stretching machine and makes whole bolt stretching machine install good stability, and the angle of inclination of bolt stretching machine one end is realized when piston slip control structure 6 control piston body 5 slides, thus realize the adjustment of horizontal tilt angle.
Particularly, piston slip control structure 6 in the present embodiment comprises the obliquity sensor 61 be arranged on bolt stretching machine, obliquity sensor 61 is connected with the 2/2-way hydraulic valve 63 be arranged on valve seat 12 by controller 62, and 2/2-way hydraulic valve 63 is connected with main chamber 51 by interface channel 64, namely bolt stretching machine horizontal tilt angle is measured by obliquity sensor 61, as levelness does not meet the demands, the operating position that 2/2-way hydraulic valve 63 changes valve core of the electromagnetic valve is controlled according to controller 62, thus make hydraulic oil enter main chamber 51, piston rod 2 in cylinder body, relative position moves, thus reduce the height of bolt stretching machine in this position, when generation adjusting range exceeds the situation of actual angle of inclination, again level-off again after piston rod 2 adjustment need to be made in Compact Mounts to reset, even if connecting passage 64 is unimpeded, piston rod 2 relies on its deadweight that hydraulic oil is discharged main chamber 51, realize Compact Mounts zero.Wherein, here interface channel 64 comprises and is arranged on first liquid passage 641 in valve seat 12 and L-shaped, first liquid passage 641 two ends are respectively equipped with sealing-plug 642, and first liquid passage 641 one end sidepiece is connected with 2/2-way hydraulic valve 63, other end sidepiece is connected with main chamber 51 by the second liquid passage 643 vertical with this end, and namely sealing-plug 642 is here convenient to the injection of hydraulic oil or the maintenance of device.
Further, in order to axial limiting can be carried out to the movement of piston body 2, in main chamber 51, be provided with the limiting bush 13 being placed on piston rod 2, and limiting bush 13 and cylinder cap 11 are fixedly linked.Elastic reset structure 7 in the present embodiment comprises and being arranged in main chamber 51 and the back-moving spring 71 be sheathed on piston rod 2, and back-moving spring 71 one end to be arranged in limiting bush 13 and with limiting bush 13 bottom mutually against, the other end is against being arranged on piston body 5.Preferably, here installing rack 4 comprises the support body 42 in having U-shaped opening 41, piston rod 2 is through support body 42 and extend towards U-shaped opening 41, support body 42 one end and cylinder body 1 are fixedly linked, the other end is provided with the bearing pin 43 U-shaped opening 41 can closed, and bearing pin 43 one end be positioned at outside support body 42 is provided with resilient key 44, and resilient key 44 is connected with support body 42 by steel wire rope 45, namely by bearing pin 43 by closed for U-shaped opening 41 thus realize being connected of support body 42 and bolt stretching machine.
Further, the dismountable structure in the present embodiment comprises the turnbuckle 31 be arranged between piston rod 2 end and suspension hook 3, and turnbuckle 31 one end is connected with piston rod 2 is removable, and the other end is connected with suspension hook 3 is removable.Wherein, here valve seat 12 is connected with cylinder body 1 by some bolts 121, and valve seat 12 is provided with the cover body 122 that can cover on 2/2-way hydraulic valve 63, similarly, here cylinder cap 11 is connected with cylinder body 1 by some set bolts 111, and piston rod 2 outer circumferential is provided with some sealing rings 112 between piston rod 2 and cylinder cap 11, which enhances sealing when piston rod 2 moves.In addition, controller 62 in the present embodiment is connected with the reset button 8 of the zeros data that obliquity sensor 61 can be recorded, when bolt stretching machine first time is located in accurate location, take accurate location as benchmark, by zero-setting button, obliquity sensor 61 on bolt stretching machine is reset, with accurate location surface for relative level face.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Although more employ cylinder body 1 herein, cylinder cap 11, set bolt 111, sealing ring 112, valve seat 12, bolt 121, cover body 122, limiting bush 13, piston rod 2, suspension hook 3, turnbuckle 31, installing rack 4, U-shaped opening 41, support body 42, bearing pin 43, resilient key 44, steel wire rope 45, piston body 5, main chamber 51, secondary cavity 52, piston slip control structure 6, obliquity sensor 61, controller 62, 2/2-way hydraulic valve 63, interface channel 64, first liquid passage 641, sealing-plug 642, second liquid passage 643, elastic reset structure 7, back-moving spring 71, term such as reset button 8 grade, but do not get rid of the possibility using other term.These terms are used to be only used to describe and explain essence of the present utility model more easily; The restriction that they are construed to any one additional is all contrary with the utility model spirit.
Claims (10)
1. a bolt stretching machine Compact Mounts, comprise the cylinder body (1) that inside has cavity, it is characterized in that, described cylinder body (1) open at one end, the other end is closed, and described cylinder body (1) opening end is closed by cylinder cap (11), piston rod (2) is equipped with in described cylinder body (1), described piston rod (2) one end is arranged in cylinder cap (11) and this end is connected with the suspension hook (3) be connected with top cover suspender by dismountable structure, described piston rod (2) other end is arranged in cylinder body (1) blind end and this blind end is connected with the installing rack (4) be connected with bolt stretching machine one end, piston rod (2) is arranged with and is fixedly linked with piston rod (2) and cavity can be separated into the piston body (5) of main chamber (51) and secondary cavity (52), valve seat (12) is provided with in cylinder body (1) outside, described valve seat (12) is provided with can according to bolt stretching machine horizontal tilt angle to injecting in main chamber (51) or extracting liquid thus the piston slip control structure (6) making piston body (5) move back and forth, and between described piston body (5) and cylinder cap (11), be provided with the elastic reset structure (7) that piston body (5) can be made to keep to secondary cavity (52) direction movement tendency.
2. bolt stretching machine Compact Mounts according to claim 1, it is characterized in that, described piston slip control structure (6) comprises the obliquity sensor (61) be arranged on bolt stretching machine, described obliquity sensor (61) is connected with the 2/2-way hydraulic valve (63) be arranged on valve seat (12) by controller (62), and described 2/2-way hydraulic valve (63) is connected with main chamber (51) by interface channel (64).
3. bolt stretching machine Compact Mounts according to claim 2, it is characterized in that, described interface channel (64) comprises and being arranged in valve seat (12) and L-shaped first liquid passage (641), described first liquid passage (641) two ends are respectively equipped with sealing-plug (642), and described first liquid passage (641) one end sidepiece is connected with 2/2-way hydraulic valve (63), other end sidepiece is connected with main chamber (51) by the second liquid passage (643) vertical with this end.
4. the bolt stretching machine Compact Mounts according to claim 1 or 2 or 3, it is characterized in that, be provided with the limiting bush (13) being placed on piston rod (2) in described main chamber (51), and described limiting bush (13) and cylinder cap (11) are fixedly linked.
5. bolt stretching machine Compact Mounts according to claim 4, it is characterized in that, described elastic reset structure (7) comprises and being arranged in main chamber (51) and the back-moving spring (71) be sheathed on piston rod (2), and described back-moving spring (71) one end to be arranged in limiting bush (13) and with limiting bush (13) bottom mutually against, the other end is against being arranged on piston body (5).
6. bolt stretching machine Compact Mounts according to claim 4, it is characterized in that, described installing rack (4) comprises in the support body with U-shaped opening (41) (42), described piston rod (2) is through support body (42) and extend towards U-shaped opening (41), described support body (42) one end and cylinder body (1) are fixedly linked, the other end is provided with the bearing pin (43) U-shaped opening (41) can closed, and one end that described bearing pin (43) is positioned at support body (42) outside is provided with resilient key (44), and described resilient key (44) is connected with support body (42) by steel wire rope (45).
7. bolt stretching machine Compact Mounts according to claim 4, it is characterized in that, described dismountable structure comprises the turnbuckle (31) be arranged between piston rod (2) end and suspension hook (3), and described turnbuckle (31) one end is connected with piston rod (2) is removable, the other end is connected with suspension hook (3) is removable.
8. bolt stretching machine Compact Mounts according to claim 2, it is characterized in that, described valve seat (12) is connected with cylinder body (1) by some bolts (121), and described valve seat (12) is provided with the cover body (122) that can cover on 2/2-way hydraulic valve (63).
9. bolt stretching machine Compact Mounts according to claim 2, is characterized in that, described controller (62) is connected with the reset button (8) of the zeros data that obliquity sensor (61) can be recorded.
10. bolt stretching machine Compact Mounts according to claim 1, it is characterized in that, described cylinder cap (11) is connected with cylinder body (1) by some set bolts (111), and described piston rod (2) outer circumferential is provided with some sealing rings (112) be positioned between piston rod (2) and cylinder cap (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520135303.4U CN204673262U (en) | 2015-03-10 | 2015-03-10 | Bolt stretching machine Compact Mounts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520135303.4U CN204673262U (en) | 2015-03-10 | 2015-03-10 | Bolt stretching machine Compact Mounts |
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| Publication Number | Publication Date |
|---|---|
| CN204673262U true CN204673262U (en) | 2015-09-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520135303.4U Expired - Fee Related CN204673262U (en) | 2015-03-10 | 2015-03-10 | Bolt stretching machine Compact Mounts |
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| Country | Link |
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| CN (1) | CN204673262U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104759870A (en) * | 2015-03-10 | 2015-07-08 | 常州格林电力机械制造有限公司 | Horizontal limiting device for bolt drawing machine |
| CN112621661A (en) * | 2020-12-08 | 2021-04-09 | 中国人民解放军第五七一九工厂 | Decomposition method for lower end bearing of main oil regulating pump of aircraft engine |
-
2015
- 2015-03-10 CN CN201520135303.4U patent/CN204673262U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104759870A (en) * | 2015-03-10 | 2015-07-08 | 常州格林电力机械制造有限公司 | Horizontal limiting device for bolt drawing machine |
| CN112621661A (en) * | 2020-12-08 | 2021-04-09 | 中国人民解放军第五七一九工厂 | Decomposition method for lower end bearing of main oil regulating pump of aircraft engine |
| CN112621661B (en) * | 2020-12-08 | 2022-08-26 | 中国人民解放军第五七一九工厂 | Decomposition method for lower end bearing of main oil regulating pump of aircraft engine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Lu Xiaoqing Inventor after: Wang Huagen Inventor after: Ni Zhong Inventor after: Qian Yapeng Inventor after: Lu Chaohui Inventor after: Wang Xuehui Inventor after: He Feng Inventor before: Lu Xiaoqing |
|
| COR | Change of bibliographic data | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150930 Termination date: 20190310 |
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| CF01 | Termination of patent right due to non-payment of annual fee |