CN103600330A - Hook extracting device - Google Patents
Hook extracting device Download PDFInfo
- Publication number
- CN103600330A CN103600330A CN201310607907.XA CN201310607907A CN103600330A CN 103600330 A CN103600330 A CN 103600330A CN 201310607907 A CN201310607907 A CN 201310607907A CN 103600330 A CN103600330 A CN 103600330A
- Authority
- CN
- China
- Prior art keywords
- handle
- steel bar
- hook device
- crotch
- hook
- 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.)
- Pending
Links
- 229910000831 Steel Inorganic materials 0.000 abstract description 32
- 239000010959 steel Substances 0.000 abstract description 32
- 238000000034 method Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000009432 framing Methods 0.000 description 1
- 239000004746 geotextile Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Supports Or Holders For Household Use (AREA)
Abstract
The invention belongs to the technical field of military engineering, and particularly relates to a device for extracting a connecting steel bar between protecting walls. The device comprises a handle, a hook tooth is arranged at one end of the handle, a fixing plate is arranged on the handle, two limiting blocks are arranged oppositely on the fixing plate, and the hook tooth is positioned between the limiting blocks. The hook extracting device is suitable for extracting of hooks different in type, and by using the hook extracting device, a hook at the upper end of the steel bar is less prone to deformation, so that the steel bar can be smoothly extracted.
Description
Technical field
The invention belongs to military engineeriy technique field, especially a kind of for connecting the extracting apparatus of steel bar between protecting wall.
Background technology
Collapsible containment wall is a kind of outside steel wire that adopts, inner side is lined with the rectangular structure thing of geotextiles, protecting wall steel fabric sheet connects by helical spring, protecting wall can adopt manual type to fold and launch, in protecting wall, filler can adopt machinery or manually gather materials on the spot, fill the loose shape things such as sand, soil, building stones, for constructing fast breastwork, side wall or the cover layer of fieldwork, or construct around important equipment, ammunition depot, command post's tent etc., for personnel and equipment provide protection.During transportation, protecting wall is folded to small volume.
Protecting wall unit can be realized top to bottom, left and right, front and rear by jockey and connect, and can meet the needs of different degree of protection, the different objectives of defense.Wherein in same level, connection employing between Collapsible containment wall connects with the steel bar of crotch as shown in Figure 1, when protecting wall is set up, general step is: the protecting wall that first will connect respectively launches respectively, in the position of appointment, with connection steel bar, carry out two connections between protecting wall, after connection, utilize machinery to protecting wall fill material, organize the connection of protecting wall more and take similar approach.Remove the time receiving, need to first extract steel bar, realize two separation between Collapsible containment wall, and then utilize auxiliary lifting appliance, protecting wall is sling from original place, realize and remove receipts, material is stayed original place.
Owing to filling up the protecting wall of material, the steel bar that connects protecting wall is subject to two helical spring shear actions of protecting wall simultaneously, shearing force is very large, very difficult while making to extract connection steel bar, in a large amount of engineering reality, when we are pulling out in the process of hook, if firmly excessive, the crotch of steel bar upper end is easily out of shape, and even can skid off and pull out hook device, causes extracting steel bar.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of hook device that pulls out, and uses this to pull out hook device, and the crotch of steel bar upper end is not easy distortion, thereby can smoothly steel bar be extracted.
In order to solve the problems of the technologies described above, the present invention includes handle, handle one end is provided with briar tooth, is also provided with fixed head on described handle, is relatively set with two limited blocks on described fixed head, and described briar tooth is between limited block.
Further, the opposite face of two limited blocks is inclined-plane, and the distance between the free end of two limited blocks is greater than the distance between stiff end.
Further, described briar tooth bend inner side is provided with stopper slot near handle.
Further, the other end of described handle is also provided with handle part.
Further, the distance between described limited block can be adjusted.
The present invention is in the process of using, and the crotch of steel bar upper end is subject to the position-limiting action of two limited blocks, be not easy to deform, so the pulling force that crotch can bear is larger, thereby more easily steel bar is extracted.
Accompanying drawing explanation
Fig. 1 is the structural representation of steel bar;
Fig. 2 is the structural representation that pulls out hook device;
Fig. 3 is the top view that pulls out hook device;
Fig. 4 is the structural representation of limited block in an alternative embodiment of the invention;
Fig. 5 is the course of work schematic diagram that pulls out hook device.
The specific embodiment
The embodiment that the present invention is cited; just for helping to understand the present invention; should not be construed as limiting the scope of the present invention; for those skilled in the art; without departing from the inventive concept of the premise; can also the present invention be improved and be modified, these improvement and modification also fall in the scope of the claims in the present invention protection.
As shown in Figure 2, the present invention includes handle 1, handle 1 one end is provided with briar tooth 2, for being connected with the crotch of steel bar upper end, in order conveniently to control handle, the other end of described handle is provided with handle part 11, the shape of described handle part 11 does not limit, if conveniently shake hands or with other mechanical connections, as embodiments of the invention, described handle part 11 is for being fixed on a triangular framing of handle 1 end, very convenient like this operation holds handle operation.One end that described handle 1 is provided with briar tooth is also provided with fixed head 3, is relatively set with two limited blocks 4 on fixed head 3, and described briar tooth 2 is between limited block 4.When briar tooth 2 tangles after crotch, crotch displacement is between two limited blocks 4, and two limited blocks 4 clamp crotch, thereby play the position-limiting action to crotch, and while firmly pulling out stretch bending hook, crotch is owing to being not easy distortion, and the pulling force ratio can bear does not have when spacing larger.
As shown in Figure 3, for the ease of crotch, enter between two limited blocks 4, the opposite face of two limited blocks 4 is inclined-plane, distance between the free end of two limited blocks 4 is greater than the distance between stiff end, that is to say and between two limited blocks 4, formed similar trumpet-shaped dehiscing, crotch is had to individual guide effect, crotch can be entered between two limited blocks 4 along briar tooth 2 smoothly.
As shown in Figure 3, for crotch in pulling out the process of drawing steel bar can not slide along hook 2 tooth axis directions, described briar tooth 2 bend inner sides are provided with stopper slot 5 near handle 1, make to pull out hook device and pull out while drawing steel bar, the crotch of steel bar is positioned at stopper slot 5, can not slide.
As an alternative embodiment of the invention, as shown in Figure 4, crotch for applicable different bores, distance between described limited block 4 can be adjusted according to the bore of crotch, for convenient, adjust, on described fixed head 3, the right and left is respectively provided with the groove 31 of 2 horizontal directions, on described limited block 4, is provided with the bolt through groove 31, and is fixedly connected with fixed head 3 by nut (32).Such two limited blocks 4 just can be adjusted distance along groove 31 directions, thereby can adapt to the crotch of different bores.
Using method of the present invention and process be as shown in Figure 5:
(1) along protecting wall, connect steel bar top crotch frontal, the briar tooth 2 that pulls out hook device is inserted in the crotch that connects steel bars, and take and pull out hook device rear end as indication, and pulling out hook device handle 1 place firmly, connection steel bar is extracted to a little upward;
(2) briar tooth 2 that pulls out hook device is inserted completely and connect in the crotch of steel bar top, utilize the guide function on inclined-plane between two limited blocks 4, clockwise rotate the handle 1 that pulls out hook device simultaneously, make to connect steel bar top crotch and enter two limited block 4 inner sides completely;
(3) hold the handle part 11 that pulls out hook device, exert oneself upward, now, owing to pulling out the effect of hook device limited block 4, the crotch of steel bar upper end can not deform, and can guarantee to connect extracting of steel bar;
(4) extract and connect after steel bar, take manually steel bar to be taken out from pull out hook device.
Certainly, the present invention not only draws on protecting wall with the steel bar of crotch for pulling out, and can also draw other with the object of crotch for pulling out.
Claims (5)
1. pull out hook device, it is characterized in that, comprise handle (1), handle (1) one end is provided with briar tooth (2), on described handle (1), be also provided with fixed head (3), be relatively set with two limited blocks (4) on described fixed head (3), described briar tooth (2) is positioned between limited block (4).
2. the hook device that pulls out according to claim 1, is characterized in that, the opposite face of two limited blocks (4) is inclined-plane, and the distance between the free end of two limited blocks (4) is greater than the distance between stiff end.
3. the hook device that pulls out according to claim 1, is characterized in that, described briar tooth (2) bend inner side is provided with stopper slot (5) near handle (1).
4. the hook device that pulls out according to claim 1, is characterized in that, the other end of described handle (1) is also provided with handle part (11).
5. according to the hook device that pulls out described in claim 1 to 4 any one, it is characterized in that, the distance between described limited block (4) can be adjusted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310607907.XA CN103600330A (en) | 2013-11-27 | 2013-11-27 | Hook extracting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310607907.XA CN103600330A (en) | 2013-11-27 | 2013-11-27 | Hook extracting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103600330A true CN103600330A (en) | 2014-02-26 |
Family
ID=50118626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310607907.XA Pending CN103600330A (en) | 2013-11-27 | 2013-11-27 | Hook extracting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103600330A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4162791A1 (en) * | 2021-10-08 | 2023-04-12 | Simple Technology Srls | Cover for cultivations and process for joining together two protection sheets of a cover for cultivations |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB149140A (en) * | 1919-09-03 | 1920-08-12 | Thomas Speers | A device for withdrawing split pins |
| US1357012A (en) * | 1919-11-19 | 1920-10-26 | Tweto Benjamin | Cotter-pin remover |
| US1814130A (en) * | 1927-12-27 | 1931-07-14 | Chicago Bridge & Iron Co | Container for gases and volatile liquids |
| CN201214231Y (en) * | 2008-04-13 | 2009-04-01 | 杨志华 | Pin-pulling device |
| CN202114686U (en) * | 2011-06-15 | 2012-01-18 | 山东潍坊福田模具有限责任公司 | Special pin puller for checking tools |
| CN203566624U (en) * | 2013-11-27 | 2014-04-30 | 中国人民解放军63983部队 | Hook unplugging device |
-
2013
- 2013-11-27 CN CN201310607907.XA patent/CN103600330A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB149140A (en) * | 1919-09-03 | 1920-08-12 | Thomas Speers | A device for withdrawing split pins |
| US1357012A (en) * | 1919-11-19 | 1920-10-26 | Tweto Benjamin | Cotter-pin remover |
| US1814130A (en) * | 1927-12-27 | 1931-07-14 | Chicago Bridge & Iron Co | Container for gases and volatile liquids |
| CN201214231Y (en) * | 2008-04-13 | 2009-04-01 | 杨志华 | Pin-pulling device |
| CN202114686U (en) * | 2011-06-15 | 2012-01-18 | 山东潍坊福田模具有限责任公司 | Special pin puller for checking tools |
| CN203566624U (en) * | 2013-11-27 | 2014-04-30 | 中国人民解放军63983部队 | Hook unplugging device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4162791A1 (en) * | 2021-10-08 | 2023-04-12 | Simple Technology Srls | Cover for cultivations and process for joining together two protection sheets of a cover for cultivations |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140226 |