CN204772286U - Pneumatic spanner - Google Patents
Pneumatic spanner Download PDFInfo
- Publication number
- CN204772286U CN204772286U CN201520391298.3U CN201520391298U CN204772286U CN 204772286 U CN204772286 U CN 204772286U CN 201520391298 U CN201520391298 U CN 201520391298U CN 204772286 U CN204772286 U CN 204772286U
- Authority
- CN
- China
- Prior art keywords
- kingbolt
- pneumatic
- top board
- prevention sleeve
- mother nut
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The utility model discloses a pneumatic spanner, including the roof, prevent changeing cover, stop device, guide bar, slide, stir set, atmospheric pressure motor and drive mechanism. The pneumatic spanner of this embodiment, place the kingbolt of conjuncted state in pneumatic spanner's working space with the mother nut, the piece of stirring that the messenger stirred set lower surface imbeds stirring in the groove of mother nut upper surface, then the hand drive prevent changeing the relative roof of cover rotatory to with kingbolt assorted position, to preventing changeing the ways, locate on the kingbolt and will to prevent changeing the relative roof of cover with the bolt fixed, open pneumatic motor, can stir mother nut upwards rotation on the kingbolt through stirring the dish, the threaded portion demeshing on mother nut and kingbolt. This pneumatic spanner simple structure thinks about ingeniously, can realize the meshing and the separation of kingbolt and mother nut greatly having reduced workman's intensity of labour through control switching -over valve, and work efficiency also very improves simultaneously, is particularly useful for the separation and the meshing of heavy bolt and nut.
Description
Technical field
The utility model relates to a kind of pneumatic impact spanner.
Background technology
In nuclear power plant's maintenance process, when opening reactor, need kingbolt 1 and mother nut 2 carry out dismantling under state conjuncted shown in Fig. 1 and put into material frame.At present, being separated kingbolt 1 with mother nut 2 by manually carrying out, because the quality of mother nut 2 is usually at more than 30kg, needing at least two people mother nut 2 could be rotated from kingbolt 1 with joint efforts.Because kingbolt 1 is all comparatively large with volume with the quality of mother nut 2, in artificial separation process, operating difficulties, greatly, and efficiency is lower for labour intensity.
Summary of the invention
The technical problems to be solved in the utility model is to provide a kind of pneumatic impact spanner, to improve the labour intensity of workman, and increases work efficiency.
In order to solve the problems of the technologies described above, the technical scheme that the utility model provides is as follows: a kind of pneumatic impact spanner, at least comprises:
Top board;
Rotating prevention sleeve, this rotating prevention sleeve and top board are rotatably connected, and described rotating prevention sleeve rotates for limiting kingbolt;
Stopping means, this stopping means rotates relative to top board for limiting rotating prevention sleeve;
Guide post, the upper end of this guide post is fixedly connected with top board;
Slide, this slide and guide post are slidably connected;
Shifting disc, this shifting disc to be located on slide and to be rotationally connected with slide, and the lower surface of described shifting disc is provided with some for stirring the slide block that mother nut rotates;
Air pressure motor, this air pressure motor rotates for driving shifting disc;
Transmission mechanism, this transmission mechanism is for connecting air pressure motor and shifting disc.
Further, described transmission mechanism comprises driving gear, idler gear and gear wheel, described driving gear is fixedly connected on the output shaft of air pressure motor, and described gear wheel is coaxially fixedly connected with shifting disc, and described idler gear engages with driving gear and gear wheel respectively.
Further, also comprise control cabinet, described control cabinet comprises reversal valve, pneumatic triple piece and casing, and the input of described pneumatic triple piece connects external air source by pipeline, output connects the input of reversal valve by pipeline, and the output of described reversal valve connects air motor by pipeline.
Further, described stopping means comprises the limit base be fixedly connected on top board, the spacing hole being located at rotating prevention sleeve upper surface and latch, and described limit base is provided with pin-and-hole, and described latch is undertaken spacing by running through described pin-and-hole and inserting spacing hole.
Pneumatic impact spanner operation principle of the present utility model is as follows, the kingbolt of conjuncted state and mother nut are positioned in the working space of the present embodiment pneumatic impact spanner, what make the slide block of shifting disc lower surface embed mother nut upper surface stirs in groove, then manual actuation rotating prevention sleeve rotates the position extremely matched with kingbolt relative to top board, rotating prevention sleeve to be sheathed on kingbolt and with latch, relative for rotating prevention sleeve top board to be fixed, open air motor, namely stir mother nut by shifting disc to rotate up on kingbolt, engage until mother nut departs from the threaded portion on kingbolt.This pneumatic spanner structure is simple, be skillfully constructed, by controlling engagement that reversal valve can realize kingbolt and mother nut and being separated, significantly reduce the labour intensity of workman, simultaneously operating efficiency also greatly improves, the separation being particularly useful for heavy bolts and nuts with engage.
Accompanying drawing explanation
Fig. 1 is the structural representation under mother nut and kingbolt engagement;
Fig. 2 is the structural representation under the present embodiment pneumatic impact spanner duty;
Fig. 3 is the close-up schematic view in pneumatic impact spanner A portion described in Fig. 2;
Fig. 4 is the close-up schematic view in pneumatic impact spanner B portion described in Fig. 2;
Fig. 5 is the structural representation of the present embodiment pneumatic impact spanner control cabinet;
Fig. 6 is the structural representation of the kingbolt that mutually mates of a kind of cross sectional shape and rotating prevention sleeve.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
In description of the present utility model, it will be appreciated that, term " on ", D score, "front", "rear", " interior ", the orientation of the instruction such as " outward " or position relationship be based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of the device of instruction or hint indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.
In description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, connect integratedly, also can be removably connect; It can be the connection of two element internals; Can be directly be connected, also indirectly can be connected by intermediary, for the ordinary skill in the art, concrete condition can understand the concrete meaning of above-mentioned term in the utility model.
As shown in Figure 2, a kind of pneumatic impact spanner of the present embodiment comprises top board 11, rotating prevention sleeve 12, guide post 10, slide 9, shifting disc 7, air pressure motor 3 and transmission mechanism.Wherein the upper end of guide post 10 is fixedly connected with top board 11, and slide 9 is provided with pilot hole and is sheathed on guide post 10, is slidably connected with guide post 10.Retainer plate 8 is provided with, for limiting the lower limit position of slide 9 on guide post 10 in the lower end of its guide post.
As shown in Figure 4, rotating prevention sleeve 12 and top board 11 are rotationally connected, also comprise the stopping means rotated relative to top board 11 for limiting rotating prevention sleeve 12, this stopping means comprises the limit base 18 be fixedly connected on top board, the spacing hole 19 being located at rotating prevention sleeve upper surface and latch 13, its limit base is provided with pin-and-hole, and its latch is undertaken spacing by running through pin-and-hole and inserting spacing hole.In the process driving mother nut to rotate on kingbolt, generally for and conveniently make kingbolt relatively fixing, the periphery of its kingbolt 1 is provided with the plane of at least one and axis being parallel, in the present embodiment, as shown in Figure 6 a, as can be seen from the cross section of kingbolt end, it is provided with two fixing planes be parallel to each other, therefore, in the present embodiment, as shown in Figure 6 b, rotating prevention sleeve 12 is provided with the fixing hole 17 matched with kingbolt, rotating prevention sleeve 12 is sheathed on kingbolt 1 by fixing hole 17, by rotating prevention sleeve 12 with under the relatively-stationary state of top board 11, can realize preventing kingbolt 1 from rotating.
Further, as shown in Figure 3, be provided with at the upper surface of mother nut 2 and somely stir groove 21, its slide 9 is provided with the shifting disc 7 that can rotate relative to slide 9, the lower surface of this shifting disc 7 is provided with the slide block 71 of some quantity and mating shapes with stirring groove 21, under duty, drive shifting disc 7 to rotate by drive unit, mother nut 2 can be realized and rotate on kingbolt 1.
In the present embodiment, as shown in Figure 3, air pressure motor 3 preferably selected by drive unit, also comprise the control cabinet controlling air pressure motor 3, as shown in Figure 5, comprise reversal valve 14, pneumatic triple piece 15 and casing 16, wherein the input of pneumatic triple piece 15 connects external air source by pipeline to this control cabinet, output connects the input of reversal valve 14 by pipeline, and the output of described reversal valve 14 connects air motor 3 by pipeline.It should be noted that, pneumatic triple piece 15 is accessory well known in the art, comprises air reducing valve, filter, oil sprayer three-major-items, and pressure-reducing valve can carry out voltage stabilizing to source of the gas, make source of the gas be in steady state, can reduce because of the damage to the hardware such as valve or actuator during source of the gas pressure fluctuations.It is clean that filter is used for source of the gas, can moisture content in filtering compressed air, avoids moisture content with gas access to plant.Oil sprayer can lubricate body movement parts, can lubricate, greatly extend the service life of body to the parts of inconvenient apply oil.
It should be noted that, in the present embodiment, between air pressure motor 3 and shifting disc 7, be also connected with transmission mechanism.As preferably, this transmission mechanism comprises driving gear 4, idler gear 5 and gear wheel 6, wherein driving gear 4 is fixedly connected on the output shaft of air pressure motor 3, and gear wheel 6 is coaxially fixedly connected with shifting disc 7, and idler gear 5 engages with driving gear 4 and gear wheel 6 respectively.The advantage of this transmission mechanism is that structure is simple, take up room little, only need three and engage each other and be positioned at conplane gear, and the driving torque of this transmission mechanism is large, is particularly useful for the heavy-duty machinery field of similar the present embodiment.
The pneumatic impact spanner operation principle of the present embodiment is as follows, the kingbolt of conjuncted state and mother nut are positioned in the working space of the present embodiment pneumatic impact spanner, what make the slide block of shifting disc lower surface embed mother nut upper surface stirs in groove, then manual actuation rotating prevention sleeve rotates the position extremely matched with kingbolt relative to top board, rotating prevention sleeve to be sheathed on kingbolt and with latch, relative for rotating prevention sleeve top board to be fixed, open air motor, namely stir mother nut by shifting disc to rotate up on kingbolt, engage until mother nut departs from the threaded portion on kingbolt.This pneumatic spanner structure is simple, be skillfully constructed, by controlling engagement that reversal valve can realize kingbolt and mother nut and being separated, significantly reduce the labour intensity of workman, simultaneously operating efficiency also greatly improves, the separation being particularly useful for heavy bolts and nuts with engage.
In a word; the foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model, all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (5)
1. a pneumatic impact spanner, is characterized in that, at least comprises:
Top board (11);
Rotating prevention sleeve (12), this rotating prevention sleeve and top board are rotatably connected, and described rotating prevention sleeve rotates for limiting kingbolt;
Stopping means, this stopping means rotates relative to top board for limiting rotating prevention sleeve;
Guide post (10), the upper end of this guide post is fixedly connected with top board;
Slide (9), this slide and guide post are slidably connected;
Shifting disc (7), this shifting disc to be located on slide and to be rotationally connected with slide, and the lower surface of described shifting disc is provided with some for stirring the slide block (71) that mother nut rotates;
Air pressure motor (3), this air pressure motor rotates for driving shifting disc;
Transmission mechanism, this transmission mechanism is for connecting air pressure motor and shifting disc.
2. according to pneumatic impact spanner according to claim 1, it is characterized in that, described transmission mechanism comprises driving gear (4), idler gear (5) and gear wheel (6), described driving gear is fixedly connected on the output shaft of air pressure motor, described gear wheel is coaxially fixedly connected with shifting disc, and described idler gear engages with driving gear and gear wheel respectively.
3. according to the pneumatic impact spanner described in claim 1 or 2, it is characterized in that, also comprise control cabinet, described control cabinet comprises reversal valve (14), pneumatic triple piece (15) and casing (16), the input of described pneumatic triple piece connects external air source by pipeline, output connects the input of reversal valve by pipeline, and the output of described reversal valve connects air motor by pipeline.
4. according to the pneumatic impact spanner described in claim 1 or 2, it is characterized in that, described stopping means comprises the limit base (18) be fixedly connected on top board, the spacing hole (19) being located at rotating prevention sleeve upper surface and latch (13), described limit base is provided with pin-and-hole, and described latch is undertaken spacing by running through described pin-and-hole and inserting spacing hole.
5. according to pneumatic impact spanner according to claim 3, it is characterized in that, described stopping means comprises the limit base (18) be fixedly connected on top board, the spacing hole (19) being located at rotating prevention sleeve upper surface and latch (13), described limit base is provided with pin-and-hole, and described latch is undertaken spacing by running through described pin-and-hole and inserting spacing hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520391298.3U CN204772286U (en) | 2015-06-09 | 2015-06-09 | Pneumatic spanner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520391298.3U CN204772286U (en) | 2015-06-09 | 2015-06-09 | Pneumatic spanner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204772286U true CN204772286U (en) | 2015-11-18 |
Family
ID=54512411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520391298.3U Withdrawn - After Issue CN204772286U (en) | 2015-06-09 | 2015-06-09 | Pneumatic spanner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204772286U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105313060A (en) * | 2015-06-09 | 2016-02-10 | 浙江博凡动力装备股份有限公司 | Pneumatic wrench |
-
2015
- 2015-06-09 CN CN201520391298.3U patent/CN204772286U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105313060A (en) * | 2015-06-09 | 2016-02-10 | 浙江博凡动力装备股份有限公司 | Pneumatic wrench |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20151118 Effective date of abandoning: 20170322 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |