CN204402071U - A kind of ratchet-type stretching device - Google Patents
A kind of ratchet-type stretching device Download PDFInfo
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- CN204402071U CN204402071U CN201420840158.5U CN201420840158U CN204402071U CN 204402071 U CN204402071 U CN 204402071U CN 201420840158 U CN201420840158 U CN 201420840158U CN 204402071 U CN204402071 U CN 204402071U
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- ratchet
- leading screw
- rotating shaft
- brace
- support bar
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- 230000037431 insertion Effects 0.000 claims abstract description 5
- 238000003780 insertion Methods 0.000 claims abstract description 5
- 241000397426 Centroberyx lineatus Species 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000009194 climbing Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Abstract
The utility model relates to a kind of building-supporting technical field, specifically a kind of ratchet-type stretching device, comprise ratchet, ratchet, leading screw, sleeve and commutator etc., ratchet is arranged on the middle part of leading screw and forms an entirety with leading screw, the screw thread that the leading screw being positioned at ratchet both sides is arranged is positive and negative silk, ratchet is articulated and connected on ratchet wrench, and ratchet bottom is provided with two salient angles and can selects in the tooth of insertion ratchet of; Described commutator comprises shifting block, rotating shaft and catch etc., and rotating shaft is through ratchet wrench, and one end connects shifting block, and the other end is arranged with spring, rotating shaft is also fixedly connected with the catch leaning against ratchet sidepiece; Described sleeve has two, is connected respectively with two leading screws, is provided with for carrying out with support bar the contiguous block that is connected in the outer end of sleeve.The utility model has that structure is simple, and easy to use, cost is low, can the feature of flexible modulation support bar length.
Description
Technical field
The utility model relates to a kind of building-supporting technical field, specifically a kind of ratchet-type stretching device.
Background technology
Equipment conventional in tunnel bridge construction has tunnel movable bridge fabrication machine, lining trolley, climbing frame or T beam forms etc., a large amount of support bars also can be used and some equipment supports with the use of to object of constructing in work progress, as distributed between template and bridge support body, support bar is set, or distribute between lining cutting main frame systems and peripheral template system and support bar etc. is set, the use amount of support bar is larger, after assembling, support bar will be guaranteed to hold out against attachment, during dismounting, support bar easily will depart from attachment, this just requires support bar and is connected between thing to have one connected mode flexibly, namely the length of support bar is scalable, current employing oil cylinder or jack realize the telescopic moving of support bar, with guarantee to support directly be connected good coordinating between thing, but oil cylinder or jack structure complexity, price is higher, and support bar usage quantity is more, therefore cost increase is caused.
Summary of the invention
To provide a kind of structure simple in order to overcome above-mentioned defect for the utility model, and easy to use, cost is low, can the ratchet-type stretching device of flexible modulation support bar length.
The technical solution adopted in the utility model is: a kind of ratchet-type stretching device, comprise ratchet, pawl-and-gearing wrench, ratchet wrench is made up of handle and pipe box, handle and ratchet axes normal, pipe box is placed on outside ratchet, handle drive pipe box can around pawl wheel, it is characterized in that: also comprise leading screw, sleeve, and commutator, described ratchet is arranged on the middle part of leading screw and forms an entirety with leading screw, the screw thread that the leading screw being positioned at ratchet both sides is arranged is positive and negative silk, described pipe box comprises two braces, brace is provided with the through hole that leading screw passes, two braces worn respectively by the leading screw of ratchet both sides, brace lays respectively at the both sides of ratchet, handle is fixedly connected on the top of two braces, be articulated and connected between two braces by connecting axle in the middle part of described ratchet, it is swallow-tail form that ratchet bottom is provided with two salient angles, and two salient angles can be selected in the tooth of insertion ratchet of, described commutator comprises shifting block, rotating shaft, catch and spring, rotating shaft all stretches out brace through two brace two ends, rotating shaft is positioned at the upper side of connecting axle also can rotate relative to two braces, a brace is provided with two locating holes, this locating hole lays respectively at both sides above rotating shaft, shifting block is positioned at outside the brace of band locating hole, its one end is fixedly connected with rotating shaft, the inner side of the other end is provided with the locating pin can inserting locating hole, the part that the other end of rotating shaft stretches out brace is arranged with spring, rotating shaft between two braces is also fixedly connected with catch, catch leans against the sidepiece of ratchet, catch is stirred ratchet and is rotated when following axis of rotation, described sleeve has two, is threaded respectively with the leading screw of ratchet both sides, is provided with for carrying out with support bar the contiguous block that is connected in the outer end of sleeve.
Further optimize structure as the utility model, described contiguous block is provided with through hole, and contiguous block is connected with support bar by bolt.
The utility model is provided with ratchet at the middle part of leading screw, the leading screw positive and negative silk each other of both sides, traditional two ratchets are synthesized the ratchet of a swallow-tail form, be provided with reversing arrangement being placed on the ratchet wrench outside ratchet again, the rotation direction of ratchet restriction ratchet is changed by reversing arrangement, realize to make ratchet wrench rotating clockwise leading screw or rotating counterclockwise, owing to being provided with sleeve respectively on the leading screw of ratchet both sides, rotating clockwise or rotating counterclockwise and realize sleeve and outwards extend or inwardly shrink by leading screw, the two ends of sleeve are connected with support bar respectively, thus the length of support bar can be regulated neatly, can realize assembling time delay to draw money on credit the length of strut, guarantee that carry out good to supported object supports, again can when dismantling support bar, shorten the length of support bar, operation for convenience detach.The utility model structure is simple, and cost is low, easy to operate, can flexible modulation support bar length.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present utility model.
Fig. 2 is ratchet wrench and commutator segment schematic diagram in the utility model.
Fig. 3 is the schematic diagram of the utility model reversing arrangement state one.
Fig. 4 is the schematic diagram of the utility model reversing arrangement state two.
Detailed description of the invention
Now by reference to the accompanying drawings the utility model is further described, Fig. 1 is a kind of embodiment of the present utility model, comprise ratchet 10, ratchet 1 and ratchet wrench, ratchet wrench is made up of handle 2 and pipe box 3, handle 2 and ratchet axes normal, pipe box 3 is placed on outside ratchet 10, and handle 2 drives pipe box 3 can rotate around ratchet 10, the utility model also comprises leading screw 5, sleeve and commutator, and described ratchet 10 is arranged on the middle part of leading screw 5 and forms an entirety with leading screw 5.The screw thread that the leading screw 5 being positioned at ratchet 10 both sides is arranged is positive and negative silk, and namely the screw thread rotation direction of the leading screw 5 of ratchet 10 both sides is contrary.Described pipe box 3 comprises two braces 4, brace 4 is provided with the through hole that leading screw 5 passes, two braces 4 worn respectively by the leading screw 5 of ratchet 10 both sides, and brace 4 lays respectively at the both sides of ratchet 10, handle 2 is fixedly connected on the top of two braces 4, sees Fig. 2.
Be articulated and connected between two braces 4 by connecting axle in the middle part of described ratchet 1, ratchet 1 bottom is provided with two salient angles 8 in swallow-tail form, two salient angles 8 can be selected in the tooth of insertion ratchet 10 of, and the other way around respectively limit ratchet 10 rotate, namely salient angle 8 is inserted another salient angle 8 in ratchet 10 tooth and is lifted, rotate clockwise assuming that salient angle 8 inserts restriction ratchet 10 in ratchet 10, so then limit ratchet 10 after in ratchet 10 rotate counterclockwise when another salient angle 8 is inserted.
Described commutator comprises shifting block 6, rotating shaft, catch 7 and spring, and rotating shaft all stretches out brace 4 through two brace 4 two ends, and rotating shaft is positioned at the upper side of connecting axle also can rotate relative to two braces 4.A brace 4 is provided with two locating holes, and this locating hole lays respectively at both sides above rotating shaft.Shifting block 6 is positioned at outside the brace 4 of band locating hole, and its one end is fixedly connected with rotating shaft, and the inner side of the other end is provided with the locating pin can inserting locating hole, and locating pin is inserted in different locating holes and rotating shaft can be made clockwise or rotate counterclockwise certain angle.The part that the other end of rotating shaft stretches out brace 4 is arranged with spring, this end of rotating shaft is provided with pad, spring fitting is between pad and brace 4, owing to being provided with spring at that end away from shifting block 6, after the locating pin on shifting block 6 inserts locating hole, rotating shaft tension shifting block 6, locating pin is not easily deviate from, and guarantees that shifting block 6 positioning stablity is reliable.Rotating shaft between two braces 4 is also fixedly connected with catch 7, and catch 7 leans against the sidepiece of ratchet 1, and catch 7 is stirred ratchet 1 and rotated when following axis of rotation.Catch 7 is connected with rotating shaft by welding or bolt, can also mill one piece and make rotating shaft forms a plane, catch 7 is installed to this plan-position in rotating shaft.
Described sleeve has two, is threaded respectively with the leading screw 5 of ratchet 10 both sides, is provided with for carrying out with support bar the contiguous block 9 that is connected in the outer end of sleeve.Support bar is connected with contiguous block 9 by bolt, and the screw thread that also can arrange cooperation on support bar with contiguous block 9 is connected.In the present embodiment, contiguous block 9 is provided with through hole, contiguous block 9 is connected with support bar by bolt.
Because shifting block 6 can make rotating shaft clockwise or rotate counterclockwise certain angle by two locating holes that locating pin is inserted on brace 4 respectively, rotating shaft just by catch 7 drive ratchet 1 also do same clockwise or rotate counterclockwise, two of ratchet 1 salient angles 8 are made to select in the tooth of insertion ratchet 10 of, the direction of ratchet 10 rotation is controlled with a ratchet 1, thus realization shifting block 6 selects the rotation direction of ratchet 10, as rotated counterclockwise when shifting block 6, shifting block 6 is connected with the locating hole in left side, rotating shaft drives ratchet 1 to rotate counterclockwise by catch 7, just limit ratchet 10 in the tooth making the salient angle 8 of ratchet 1 left part insert ratchet 10 to rotate clockwise, see Fig. 3, just rotating counterclockwise of ratchet 10 can be realized during rotating ratchet wrench, ratchet 10 drives leading screw 5 to rotate counterclockwise simultaneously, be connected with the locating hole on right side when shifting block 6 rotates clockwise, rotating shaft drives ratchet 1 to rotate clockwise by catch 7, the salient angle 8 of ratchet 1 right part is inserted in ratchet 10 tooth, just limit ratchet 10 to rotate counterclockwise, see Fig. 4, just can realize rotating clockwise of ratchet 10 during rotating ratchet wrench, ratchet 10 drives leading screw 5 to rotate clockwise simultaneously.
Original state of the present utility model is: two sleeve pipes are all connected to the inner side of screw mandrel, and namely two sleeve pipes are all near ratchet 10.Then support bar is connected with the contiguous block 9 of two cannula tip respectively, makes support bar and sleeve pipe be coaxial state.When needing support bar to support supporter, shifting block 6 is rotated counterclockwise and is connected with the locating hole in left side, rotating ratchet wrench makes ratchet 10 and leading screw 5 rotate counterclockwise, two sleeve pipes on leading screw 5 are just simultaneously outwards mobile, the support bar be connected with two sleeve pipes just stretches out, until support bar firmly withstands supported object, stop operating ratchet wrench, realizes the good support of support bar to supporter.When needs dismounting support bar, shifting block 6 is rotated clockwise and is connected with the locating hole on right side, catch 7 drives ratchet 1 to rotate clockwise to make the salient angle 8 of ratchet 1 right part insert in ratchet 10 tooth, now rotating ratchet wrench just can realize ratchet 10 and leading screw 5 rotates clockwise, two sleeve pipes on leading screw 5 move inward simultaneously, the support bar be connected with two sleeve pipes just inwardly shrinks, and support bar and supported object get loose, for convenience detach.
Leading screw 5 transmission combines with ratchet by the utility model, instead of and former support bar installs oil cylinder or jack carries out as regulating length the stretching device supported, the utility model structure is simple, lightweight, low cost of manufacture, reliable transmission, because support bar use amount is large, adopt the utility model to be arranged on support bar as stretching device to use, greatly reduce cost.
The utility model has that structure is simple, and easy to use, cost is low, can the feature of flexible modulation support bar length.
Claims (2)
1. a ratchet-type stretching device, comprise ratchet, pawl-and-gearing wrench, ratchet wrench is made up of handle and pipe box, handle and ratchet axes normal, pipe box is placed on outside ratchet, handle drive pipe box can around pawl wheel, it is characterized in that: also comprise leading screw, sleeve, and commutator, described ratchet is arranged on the middle part of leading screw and forms an entirety with leading screw, the screw thread that the leading screw being positioned at ratchet both sides is arranged is positive and negative silk, described pipe box comprises two braces, brace is provided with the through hole that leading screw passes, two braces worn respectively by the leading screw of ratchet both sides, brace lays respectively at the both sides of ratchet, handle is fixedly connected on the top of two braces, be articulated and connected between two braces by connecting axle in the middle part of described ratchet, it is swallow-tail form that ratchet bottom is provided with two salient angles, and two salient angles can be selected in the tooth of insertion ratchet of, and limit pawl wheel respectively the other way around, described commutator comprises shifting block, rotating shaft, catch and spring, rotating shaft all stretches out brace through two brace two ends, rotating shaft is positioned at the upper side of connecting axle also can rotate relative to two braces, a brace is provided with two locating holes, this locating hole lays respectively at both sides above rotating shaft, shifting block is positioned at outside the brace of band locating hole, its one end is fixedly connected with rotating shaft, the inner side of the other end is provided with the locating pin can inserting locating hole, the part that the other end of rotating shaft stretches out brace is arranged with spring, rotating shaft between two braces is also fixedly connected with catch, catch leans against the sidepiece of ratchet, catch is stirred ratchet and is rotated when following axis of rotation, described sleeve has two, is threaded respectively with the leading screw of ratchet both sides, is provided with for carrying out with support bar the contiguous block that is connected in the outer end of sleeve.
2. ratchet-type stretching device according to claim 1, is characterized in that: described contiguous block is provided with through hole, and contiguous block is connected with support bar by bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420840158.5U CN204402071U (en) | 2014-12-26 | 2014-12-26 | A kind of ratchet-type stretching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420840158.5U CN204402071U (en) | 2014-12-26 | 2014-12-26 | A kind of ratchet-type stretching device |
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| Publication Number | Publication Date |
|---|---|
| CN204402071U true CN204402071U (en) | 2015-06-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420840158.5U Active CN204402071U (en) | 2014-12-26 | 2014-12-26 | A kind of ratchet-type stretching device |
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| CN (1) | CN204402071U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105595763A (en) * | 2015-12-31 | 2016-05-25 | 王鸿 | Circular self-locking hanging rack |
| CN105673965A (en) * | 2016-03-29 | 2016-06-15 | 北京隆盛泰科石油管科技有限公司 | Steel pipe connector and method for connecting steel pipes through steel pipe connector |
| CN106041387A (en) * | 2016-08-03 | 2016-10-26 | 嘉应学院 | Industrial welding robot |
| CN106382013A (en) * | 2016-08-31 | 2017-02-08 | 五洋建设集团股份有限公司 | Accurate positioning structure of high-altitude long-span super-high and super-heavy steel truss and construction method |
| CN111922446A (en) * | 2020-08-11 | 2020-11-13 | 重庆第二机床厂有限责任公司 | Gear chamfering cutter assembly and vertical gear chamfering machine |
-
2014
- 2014-12-26 CN CN201420840158.5U patent/CN204402071U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105595763A (en) * | 2015-12-31 | 2016-05-25 | 王鸿 | Circular self-locking hanging rack |
| CN105595763B (en) * | 2015-12-31 | 2017-09-01 | 王鸿 | One kind circulation self-locking hanger |
| CN105673965A (en) * | 2016-03-29 | 2016-06-15 | 北京隆盛泰科石油管科技有限公司 | Steel pipe connector and method for connecting steel pipes through steel pipe connector |
| CN106041387A (en) * | 2016-08-03 | 2016-10-26 | 嘉应学院 | Industrial welding robot |
| CN106382013A (en) * | 2016-08-31 | 2017-02-08 | 五洋建设集团股份有限公司 | Accurate positioning structure of high-altitude long-span super-high and super-heavy steel truss and construction method |
| CN111922446A (en) * | 2020-08-11 | 2020-11-13 | 重庆第二机床厂有限责任公司 | Gear chamfering cutter assembly and vertical gear chamfering machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Ratchet wheel telescopic device Effective date of registration: 20170406 Granted publication date: 20150617 Pledgee: Tai'an financing Company limited by guarantee Pledgor: SHANDONG TIEYING CONSTRUCTION ENGINEERING CO., LTD. Registration number: 2017370000038 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20180323 Granted publication date: 20150617 Pledgee: Tai'an financing Company limited by guarantee Pledgor: SHANDONG TIEYING CONSTRUCTION ENGINEERING CO., LTD. Registration number: 2017370000038 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Ratchet wheel telescopic device Effective date of registration: 20180416 Granted publication date: 20150617 Pledgee: Tai'an financing Company limited by guarantee Pledgor: SHANDONG TIEYING CONSTRUCTION ENGINEERING CO., LTD. Registration number: 2018370000074 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20181226 Granted publication date: 20150617 Pledgee: Tai'an financing Company limited by guarantee Pledgor: SHANDONG TIEYING CONSTRUCTION ENGINEERING CO., LTD. Registration number: 2018370000074 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Ratchet wheel telescopic device Effective date of registration: 20190111 Granted publication date: 20150617 Pledgee: Tai'an financing Company limited by guarantee Pledgor: SHANDONG TIEYING CONSTRUCTION ENGINEERING CO., LTD. Registration number: 2019370000008 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20200611 Granted publication date: 20150617 Pledgee: Tai'an financing Company limited by guarantee Pledgor: SHANDONG TIEYING CONSTRUCTION ENGINEERING Co.,Ltd. Registration number: 2019370000008 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Ratchet wheel telescopic device Effective date of registration: 20200622 Granted publication date: 20150617 Pledgee: Tai'an financing Company limited by guarantee Pledgor: SHANDONG TIEYING CONSTRUCTION ENGINEERING Co.,Ltd. Registration number: Y2020980003345 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220217 Granted publication date: 20150617 Pledgee: Tai'an financing Company limited by guarantee Pledgor: SHANDONG TIEYING CONSTRUCTION ENGINEERING Co.,Ltd. Registration number: Y2020980003345 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Ratchet type telescopic device Effective date of registration: 20220411 Granted publication date: 20150617 Pledgee: Tai'an financing Company limited by guarantee Pledgor: SHANDONG TIEYING CONSTRUCTION ENGINEERING Co.,Ltd. Registration number: Y2022980004039 |