CN203807096U - Novel manhole cover opening tool - Google Patents
Novel manhole cover opening tool Download PDFInfo
- Publication number
- CN203807096U CN203807096U CN201420247782.4U CN201420247782U CN203807096U CN 203807096 U CN203807096 U CN 203807096U CN 201420247782 U CN201420247782 U CN 201420247782U CN 203807096 U CN203807096 U CN 203807096U
- Authority
- CN
- China
- Prior art keywords
- steel pipe
- crow
- manhole cover
- head base
- mounting hole
- 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.)
- Expired - Fee Related
Links
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 33
- 239000010959 steel Substances 0.000 claims abstract description 33
- 238000000034 method Methods 0.000 description 3
- 206010050031 Muscle strain Diseases 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The utility model discloses a novel manhole cover opening tool comprising a steel pipe. A lifting handle is arranged at one end of the steel pipe; the other end of the steel pipe is provided with a mounting hole; a U-shaped crow head base is arranged at the mounting hole; the bottom end of the U-shaped crow head base is provided with a fastening groove; a crow bar is arranged on the fastening groove; the crow bar is connected with the U-shaped crow head base through a return spring in a returnable manner; limit slide rails are arranged on two sides of the steel pipe; the bottom of the steel pipe is sleeved with a guard pipe; one side of the bottom end of the guard pipe is provided with a return groove; the other side of the bottom end of the guard pipe is provided with a crow hole. The novel manhole cover opening tool is reasonable in structural design and convenient to use; since the guard pipe and the steel pipe are slidably connected with each other, the crow bar, under the action of the return spring, is blocked by the guard pipe and is then in a contracted state; when the guard pipe is pushed down, the crow bar can penetrate the bottom crow hole of the guard pipe and is opened; a manhole cover can be opened conveniently, easily and safely; since the U-shaped crow head base is connected with the steel pipe in a threaded manner, when the crow bar is damaged, the U-shaped crow head base can be replaced independently or the crow bar can be replaced independently by removing a bolt, and replacement is simple and low in cost.
Description
Technical field
The utility model belongs to Well cover unlatching tool technical field, is specifically related to a kind of new pattern manhole cover opener.
Background technology
In prior art, be arranged on the drainage pipeline under road surface, the facility such as communication line or cable is in the time carrying out maintenance inspection, after often the well lid at well head place need to being opened, just can allow at the bottom of personnel's lower going-into-well, due to the heavy of well lid, outside without grasping place, mostly be by manually catching on the hole on well lid with crowbar, firmly press down crowbar, again by another people well lid of bending over manually to move, so not only need multi-person synergy operation, when wasting time and energy and prizing, easily cause lumbar strain and arm pulled muscle, poor stability, can there is deformation in the crowbar after the normal time is used, and labour intensity is large, the patent No. is that 201220098446.9 new patent discloses a kind of work manhole cover opener, although can lift well lid by ripping bar, but when after long-time use or firmly large, defect is very obvious, can there is deformation stressed when larger in the bolt of fixing ripping bar, thereby ripping bar is come off, cause the whole tool damage cannot open manhole cover, follow-up maintenance cost be high, and some professional opening device volumes are large, carrying inconvenience, be not suitable for one man operation, and well lid is opened rear ripping bar and just do not re-used, while entering borehole operation, environment is poor, need carry other instruments and go into the well, and the instrument amount of carrying is like this many, can not multi-use.
Summary of the invention
The purpose of this utility model be solve that prior art exists that opening process is wasted time and energy, poor stability, ripping bar are fragile, be not suitable for one man operation and technical matters that can not multi-use, provide a kind of new pattern manhole cover opener, to overcome the deficiencies in the prior art.
To achieve these goals, a kind of new pattern manhole cover opener of the utility model, it comprises that one end is provided with the steel pipe that lifts lever; Its main points are that the other end of described steel pipe is provided with the mounting hole that connects silk in band; Described mounting hole is provided with and its U-shaped pry head base that corresponding silk connects mutually; The bottom of described U-shaped pry head base is provided with draw-in groove; Described draw-in groove is provided with the ripping bar being mutually flexibly connected with it by bolt; Described ripping bar is mutually resetted and is connected with U-shaped pry head base by retracing spring; The corresponding position, both sides of described steel pipe bottom is respectively equipped with spacing slide rail; The bottom of described steel pipe is socketed with the pillar that makes its mutual sliding block joint by position limiting slide block and spacing slide rail; The one side place, bottom of described pillar is provided with return groove, and opposite side is provided with sled hole.
Be used in combination for the ease of multiple types of tools, the mounting hole of described steel pipe one end is provided with and its socket bolt head or shovel that corresponding silk connects mutually.
In order to adapt to the requirement of different work distance, the top of described steel pipe is provided with its mutual silk and connects and detouchable lengthening bar.
The utility model reasonable in design, easy to use, because pillar is by the mutual sliding block joint of spacing slide rail on position limiting slide block and steel pipe, ripping bar is under the effect of retracing spring, can be subject to stopping of pillar to be the state of tightening up, in the time of downward promotion pillar, ripping bar can be opening through the sled hole of pillar bottom, is convenient to open manhole cover, Labor-saving safety; Can change shovel while having sandy soil or waste and remove when working environment at coal mines is poor, also can change socket bolt head and carry out dismounting operation, multi-use, a people can operate; Due to U-shaped pry head base and steel pipe mutually silk connect, therefore, in the time that ripping bar damages, can change separately U-shaped pry head base, also can unload bolt and change separately ripping bar, change easy expense low.The utility model has solved that prior art opening process is wasted time and energy, poor stability, ripping bar are fragile, be not suitable for one man operation and technical matters that can not multi-use.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is ripping bar opening schematic diagram of the present utility model.
In figure 1, lift lever 2, pillar 3, spacing slide rail 4, return groove 5, U-shaped pry head base 6, ripping bar 7, bolt 8, sled hole 9, position limiting slide block 10, lengthening bar 11, steel pipe
Detailed description of the invention
See figures.1.and.2, it comprises that one end is provided with the steel pipe 11 that lifts lever 1 the utility model; The other end of described steel pipe 11 is provided with the mounting hole that connects silk in band; Described mounting hole is provided with and its U-shaped pry head base 5 that corresponding silk connects mutually; The bottom of described U-shaped pry head base 5 is provided with draw-in groove; Described draw-in groove is provided with the ripping bar 6 being mutually flexibly connected with it by bolt 7; Described ripping bar 6 is mutually resetted and is connected with U-shaped pry head base 5 by retracing spring; The corresponding position, both sides of described steel pipe 11 bottoms is respectively equipped with spacing slide rail 3; The bottom of described steel pipe 11 is socketed with the pillar 2 that makes its mutual sliding block joint by position limiting slide block 9 and spacing slide rail 3; The one side place, bottom of described pillar 2 is provided with return groove 4, and opposite side is provided with sled hole 8; The mounting hole of described steel pipe 11 one end is provided with and its socket bolt head or shovel that corresponding silk connects mutually; The top of described steel pipe 11 is provided with its mutual silk and connects and detouchable lengthening bar 10.
When use, promote forward pillar 2, pillar 2 is by the mutual spacing sliding block joint of spacing slide rail 3 on position limiting slide block 9 and steel pipe 11, now, ripping bar 6 can be by pillar 2 under the effect of retracing spring return groove 4 and sled hole 8 be progressively and open shape final and steel pipe 11 in vertical state, so both can open manhole cover, reverse operating is recoverable ripping bar 6; In in steel pipe 11 bottom mounting holes, connect silk for reverse silk, can prevent that the steel pipe 11 that power thrusts unanimously causes from becoming flexible mutually with U-shaped pry head base 5; U-shaped pry head base 5 can be changed separately, ripping bar 6 also can be changed separately by loose bolts 7, when damage, change easy cost low, can be equipped with multiple tool heads is used in combination, reduce the carry amount of staff to instrument, multi-use, lightweight, operating process is laborsaving easy, single can operation.
Claims (4)
1. a new pattern manhole cover opener, it comprises that one end is provided with the steel pipe that lifts lever; The other end that it is characterized in that described steel pipe is provided with the mounting hole that connects silk in band; Described mounting hole is provided with and its U-shaped pry head base that corresponding silk connects mutually; The bottom of described U-shaped pry head base is provided with draw-in groove; Described draw-in groove is provided with the ripping bar being mutually flexibly connected with it by bolt; Described ripping bar is mutually resetted and is connected with U-shaped pry head base by retracing spring; The corresponding position, both sides of described steel pipe bottom is respectively equipped with spacing slide rail; The bottom of described steel pipe is socketed with the pillar that makes its mutual sliding block joint by position limiting slide block and spacing slide rail; The one side place, bottom of described pillar is provided with return groove, and opposite side is provided with sled hole.
2. a kind of new pattern manhole cover opener according to claim 1, is characterized in that the mounting hole of described steel pipe one end is provided with and its socket bolt head that corresponding silk connects mutually.
3. a kind of new pattern manhole cover opener according to claim 1, is characterized in that the mounting hole of described steel pipe one end is provided with and its shovel that corresponding silk connects mutually.
4. a kind of new pattern manhole cover opener according to claim 1, the top that it is characterized in that described steel pipe be provided with its mutually silk connect and detouchable lengthening bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420247782.4U CN203807096U (en) | 2014-05-07 | 2014-05-07 | Novel manhole cover opening tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420247782.4U CN203807096U (en) | 2014-05-07 | 2014-05-07 | Novel manhole cover opening tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203807096U true CN203807096U (en) | 2014-09-03 |
Family
ID=51445881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420247782.4U Expired - Fee Related CN203807096U (en) | 2014-05-07 | 2014-05-07 | Novel manhole cover opening tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203807096U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103964352A (en) * | 2014-05-07 | 2014-08-06 | 国家电网公司 | Novel well cover opening tool |
| CN107215830A (en) * | 2017-06-20 | 2017-09-29 | 姜素娥 | A kind of well cover opening device |
| CN112095672A (en) * | 2020-09-15 | 2020-12-18 | 谢更礼 | Device for replacing road well cover |
| AU2016384311B2 (en) * | 2016-01-08 | 2022-07-07 | ManUp Key Limited | Manhole cover lifting tool |
-
2014
- 2014-05-07 CN CN201420247782.4U patent/CN203807096U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103964352A (en) * | 2014-05-07 | 2014-08-06 | 国家电网公司 | Novel well cover opening tool |
| AU2016384311B2 (en) * | 2016-01-08 | 2022-07-07 | ManUp Key Limited | Manhole cover lifting tool |
| CN107215830A (en) * | 2017-06-20 | 2017-09-29 | 姜素娥 | A kind of well cover opening device |
| CN107215830B (en) * | 2017-06-20 | 2019-06-07 | 江苏富华交通运输设备股份有限公司 | A kind of well cover opening device |
| CN112095672A (en) * | 2020-09-15 | 2020-12-18 | 谢更礼 | Device for replacing road well cover |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140903 Termination date: 20150507 |
|
| EXPY | Termination of patent right or utility model |