CN208347749U - A kind of wall casing propulsive mechanism - Google Patents
A kind of wall casing propulsive mechanism Download PDFInfo
- Publication number
- CN208347749U CN208347749U CN201820596634.1U CN201820596634U CN208347749U CN 208347749 U CN208347749 U CN 208347749U CN 201820596634 U CN201820596634 U CN 201820596634U CN 208347749 U CN208347749 U CN 208347749U
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- China
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- wall casing
- guided rings
- gear
- propulsive mechanism
- rack gear
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Abstract
The utility model discloses a kind of wall casing propulsive mechanisms, the mounting base of the bottom of support frame as described above is mounted on including the support frame being erected above well head and by elevating mechanism, the inner surface of wall casing is fixed with two or more and is respectively parallel to the axis direction of wall casing and is spaced apart from each other the rack gear of distribution, gear identical with described two or more rack gear quantity is rotatably equipped in the mounting base, the motor for driving the gear rotation is additionally provided in the mounting base, when operation, each gear is meshed with each rack gear correspondingly；It further include guided rings, the lower end of the cross section of the guided rings is V-shaped, and when operation, wall casing is supported on the top of the guided rings.The utility model, in the cooperation of rack gear and elevating mechanism, uninterruptedly can be pushed wall casing to sink, guided rings is made to be easier to break down all resistance and carry wall casing rapid decrease by gearing.
Description
Technical field
The utility model relates to a kind of wall casing propulsive mechanisms.
Background technique
In many engineerings, requires drilling well and wall casing is installed in well, wall casing, also known as well casing are mounted in well
Interior casing is widely used for protecting the borehole wall.
Traditional construction process is first to drill out the well for meeting depth requirements on the ground, then one section one of wall casing saves land
Sink in well, existing wall casing is mostly to be formed using concreting, and this wall casing is obstructed greatly in well, under slow down.
Utility model content
The technical problem to be solved by the utility model is to provide one kind, and wall casing can be made to break down all resistance easily rapid decrease
Wall casing propulsive mechanism.
In order to solve the above-mentioned technical problem, the utility model adopts the following technical solution: a kind of wall casing propulsive mechanism, packet
It includes the support frame being erected above well head and is mounted on the mounting base of the bottom of support frame as described above, wall casing by elevating mechanism
Inner surface be fixed with two or more and be respectively parallel to the axis direction of wall casing and be spaced apart from each other the rack gear of distribution, the peace
It is rotatably equipped with gear identical with described two or more rack gear quantity on dress seat, is additionally provided in the mounting base for driving
The motor of gear rotation, when operation, each gear is meshed with each rack gear correspondingly；
It further include guided rings, the lower end of the cross section of the guided rings is V-shaped, and when operation, wall casing is supported on described draw
The top of lead ring.
Preferably, support frame as described above includes the bottom surface surrounding that horizontal support plate and more are connected to the support plate
Supporting leg, the mounting base are fixed in the middle part of the bottom surface of the support plate.
Preferably, the supporting leg is length adjustable structure.
Preferably, the upper end of the supporting leg and the support plate constitute hinged cooperation, and the lower end of the supporting leg is hinged
There is stable disk, the bottom surface of the stable disk is fixed with more taper inserted links.
Preferably, described two or more rack gears are uniformly distributed along the circumferential direction of wall casing.
Preferably, the elevating mechanism is cylinder or hydraulic cylinder or linear motor.
Preferably, the top of the guided rings is made of concrete, and the lower part of the guided rings is made of Steel material.
The utility model has the following beneficial effects:
When construction, well is first drilled out, wall casing is then inserted into well head, propulsive mechanism is installed later, enables each gear one
One is accordingly meshed with each rack gear, finally starts motor alone rack gear and moves down, under the drive of rack gear, the borehole wall
Pipe sinks, and elevating mechanism can cooperate the sinking of wall casing and extend, to make gear that can act on rack gear always；In addition,
Wall casing sinks with guided rings, since the lower end of the cross section of guided rings is V-shaped, during it declines in well
The resistance being subject to is small, and carrying wall casing can be guided more easily control to decline.
The utility model, in the cooperation of rack gear and elevating mechanism, can be pushed uninterruptedly under wall casing by gearing
It is heavy, make guided rings be easier to break down all resistance and carry wall casing rapid decrease.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of an embodiment of the present invention.
Fig. 2 is enlarged drawing at A.
Fig. 3 is the top view of interior immersed tube and rack gear.
Specific embodiment
It is described in detail the utility model below with reference to the accompanying drawings.
.
The utility model wall casing propulsive mechanism, including the support frame 4 being erected above well head and by elevating mechanism 6
Be mounted on the mounting base 5 of the bottom of support frame as described above 4, the inner surface of wall casing be fixed with two or more be respectively parallel to it is described
The axis direction of wall casing and the rack gear 31 for being spaced apart from each other distribution are rotatably equipped with and described two or more in the mounting base 5
The identical gear 51 of 31 quantity of rack gear, the motor for driving the gear 51 to rotate is additionally provided in the mounting base 5, is made
When industry, each gear 51 is meshed with each rack gear 31 correspondingly；
It further include guided rings 1, the lower end of the cross section of the guided rings 1 is V-shaped, and when operation, wall casing is supported on described
The top of guided rings 1.
For the sake of succinctly describing, motor is not shown, but is this field by motor drive gear rotation
Common knowledge, by above description, those skilled in the art are already it will be appreciated that the embodiment of the utility model and implement.Gear court
Different directions rotation, can push rack gear to move up or move down, to drive wall casing downwards or move down.
When construction, well is first drilled out, wall casing is then inserted into well head, propulsive mechanism is installed later, enables each gear one
One is accordingly meshed with each rack gear, finally starts motor alone rack gear and moves down, under the drive of rack gear, the borehole wall
Pipe sinks, and elevating mechanism can cooperate the sinking of wall casing and extend, to make gear that can act on rack gear always；In addition,
Wall casing sinks with guided rings, since the lower end of the cross section of guided rings is V-shaped, during it declines in well
The resistance being subject to is small, and carrying wall casing can be guided more easily control to decline.
In specific implementation, the elevating mechanism 6 is cylinder or hydraulic cylinder or linear motor, can stablize and support support frame simultaneously
Drive it to move up and down.
In preferred embodiment, support frame as described above 4 includes that horizontal support plate 41 and more are connected to the support plate 41
Bottom surface surrounding supporting leg 42, the mounting base 5 is fixed in the middle part of the bottom surface of the support plate 41.It designs in this way, structure letter
It is single, fabrication and installation are easy, and intensity is reliable, space utilization is reasonable.The quantity of supporting leg supports support plate i.e. can stablize
It can.
In order to facilitate the height of adjustment support plate, expand the scope of application, the supporting leg 42 is designed as length adjustable structure.
For the purposes of expanding the scope of application, the upper end for designing the supporting leg 42 is constituted with the support plate 41 hingedly matches
It closes, the lower end of the supporting leg 42 is hinged with stable disk 43, and the bottom surface of the stable disk 43 is fixed with more taper inserted links 44.Surely
Price fixing is inserted into ground by inserted link and is fixed, and the adjustable angle of supporting leg, thus the installation site of adjustable stable disk,
After installing, support plate and supporting leg form trapezium structure, can guarantee stability.
It is highly preferred that the wall casing includes outer protection tube 2 and interior immersed tube 3, the upper surface of the guided rings 1 is provided with annular and inserts
Slot 11, the lower end insertion of the interior immersed tube 3 annular slot 11 is interior and cooperates with annular 11 activity of slot, the outer shield
Pipe 2 is movably set in that the interior immersed tube 3 is outer and the outer protection tube 2 is supported on the upper surfaces of the guided rings 1, and described two or more
Rack gear 31 inner surface of the interior immersed tube 3 is set.
Interior immersed tube provides guided rings downward pressure by the gravity of itself, and guided rings is made to be easier to break down all resistance and fast
Speed decline；Outer protection tube then plays the role of protecting the borehole wall；Moreover, interior immersed tube can be pulled out out of annular slot after operation
Out, realize that recycling reuses.
In preferred embodiment, the annular slot 11 and 1 coaxial line of guided rings can make guided rings coaxial with interior immersed tube
Line, structure are more stable.
In order to further limit to outer protection tube 2, stability is improved, the upper surface of the guided rings 1 is surrounded by prominent
The lower end of ring-shaped step 12 out, the outer protection tube 2 is located in the ring-shaped step 12.In preferred implementation, the ring-shaped step
12 with 1 coaxial line of guided rings, structure is more stable.
In order to improve the fitment stability between interior immersed tube 3 and guided rings 1, and after the completion of convenient working, interior immersed tube is extracted
3, it is described annular slot 11 cross section it is in a rectangular trapezoid, the lower end of the interior immersed tube 3 with it is described annular 11 shape of slot it is identical,
Size is corresponding (to coincide as far as possible with annular slot, and not influencing subject to the plug of lower end of interior immersed tube).
In order to further decrease the resistance that guided rings are subject in well, design the guided rings 1 outer peripheral surface be from up to
Under the conical surface that gradually collapses.
In order to further decrease the resistance that guided rings are subject in well, the lower part for designing the inner peripheral surface of the guided rings 1 is
The conical surface gradually extended from top to bottom designs the top of the inner peripheral surface of the guided rings 1 to guarantee the structural strength of guided rings
For cylinder.
In specific implementation, the outer protection tube 2 is by fibrin tissue adhesive matrix and is embedded in the intracorporal reinforcing bar keel group of fibrin tissue adhesive base
At having intensity high, the advantages of from heavy and light, fibrin tissue adhesive is the concrete for being mixed with fiber, and fiber is preferably plant fiber.
In specific implementation, the interior immersed tube 3 can be used Steel material and be made.It can guarantee that there is biggish self weight, and strong
Degree is reliable.
In specific implementation, the top of the guided rings 1 is made of concrete, and the lower part of the guided rings 1 uses steel
Material is made.In this way, guided rings are obstructed, position intensity is high, wear-resistant, and overall cost is low.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (7)
1. a kind of wall casing propulsive mechanism, it is characterised in that: including the support frame being erected above well head and pass through elevator
Structure is mounted on the mounting base of the bottom of support frame as described above, and the inner surface of wall casing is fixed with two or more and is respectively parallel to the borehole wall
The axis direction of pipe and the rack gear for being spaced apart from each other distribution are rotatably equipped with the rack number with described two or more in the mounting base
Identical gear is measured, is additionally provided with the motor for driving gear rotation in the mounting base, when operation, each gear
It is meshed correspondingly with each rack gear；
It further include guided rings, the lower end of the cross section of the guided rings is V-shaped, and when operation, wall casing is supported on the guided rings
Top.
2. wall casing propulsive mechanism according to claim 1, it is characterised in that: support frame as described above includes horizontal support plate
And the supporting leg of the more bottom surface surroundings for being connected to the support plate, the mounting base are fixed in the bottom surface of the support plate
Portion.
3. wall casing propulsive mechanism according to claim 2, it is characterised in that: the supporting leg is length adjustable structure.
4. wall casing propulsive mechanism according to claim 2 or 3, it is characterised in that: the upper end of the supporting leg with it is described
Support plate constitutes hinged cooperation, and the lower end of the supporting leg is hinged with stable disk, and the bottom surface of the stable disk is fixed with more cones
Shape inserted link.
5. wall casing propulsive mechanism according to claim 1 or 2 or 3, it is characterised in that: described two or more rack gear edges
The circumferential direction of wall casing is uniformly distributed.
6. wall casing propulsive mechanism according to claim 1 or 2 or 3, it is characterised in that: the elevating mechanism be cylinder or
Hydraulic cylinder or linear motor.
7. wall casing propulsive mechanism according to claim 1 or 2 or 3, it is characterised in that: the top of the guided rings uses
Concrete is made, and the lower part of the guided rings is made of Steel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820596634.1U CN208347749U (en) | 2018-04-11 | 2018-04-11 | A kind of wall casing propulsive mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820596634.1U CN208347749U (en) | 2018-04-11 | 2018-04-11 | A kind of wall casing propulsive mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208347749U true CN208347749U (en) | 2019-01-08 |
Family
ID=64887295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820596634.1U Active CN208347749U (en) | 2018-04-11 | 2018-04-11 | A kind of wall casing propulsive mechanism |
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| Country | Link |
|---|---|
| CN (1) | CN208347749U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112227188A (en) * | 2020-10-07 | 2021-01-15 | 代潇男 | Bridge leg depth limiter suitable for emergency rescue and disaster relief at breach of dam in yellow river water conservancy |
-
2018
- 2018-04-11 CN CN201820596634.1U patent/CN208347749U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112227188A (en) * | 2020-10-07 | 2021-01-15 | 代潇男 | Bridge leg depth limiter suitable for emergency rescue and disaster relief at breach of dam in yellow river water conservancy |
| CN112227188B (en) * | 2020-10-07 | 2022-03-11 | 代潇男 | Bridge leg depth limiter suitable for emergency rescue and disaster relief at breach of dam in yellow river water conservancy |
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