CN208605194U - A kind of effective top cover of jacking construction tool - Google Patents
A kind of effective top cover of jacking construction tool Download PDFInfo
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- CN208605194U CN208605194U CN201821412371.0U CN201821412371U CN208605194U CN 208605194 U CN208605194 U CN 208605194U CN 201821412371 U CN201821412371 U CN 201821412371U CN 208605194 U CN208605194 U CN 208605194U
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- crosspiece
- top cover
- drill steel
- jacking construction
- construction tool
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Abstract
The utility model discloses a kind of effective top covers of jacking construction tool, it is characterized in that, including the crosspiece being arc-shaped, and multiple circumferential directions along the crosspiece are welded on the drill steel on the crosspiece side by side, the drill steel has the bore bit of cone, the cutting edge of the bore bit composition top cover of multiple drill steels towards the one end at the cutting edge end of tool pipe；The crosspiece is for connecting the telescopic end that hydraulic top stretches mechanism.The utility model has the advantages that reasonable in design, intensity height can effectively prevent deforming, advantageously reduce the difficulty of insertion soil layer.
Description
Technical field
The utility model relates to technical field of building construction, in particular to a kind of effective top cover of jacking construction tool.
Background technique
Artificial hand pick formula pipe jacking construction technique is that the ground of pipe leading face is unearthed using hand digging and is cooperated hydraulic thousand
The construction technology of jin top jacking, which has significant limitation to different geological conditions, since jacking face soil pressure can not be put down
Weighing apparatus easily causes landslide phenomenon, while operating environment is severe, often meets various emergency cases, the safety of operating personnel can not
Obtain effective guarantee.After the amount of collapsing is excessive, road surface is easily settled, and has driving hidden danger, later period punching fills concrete, road is reprocessed
It is costly.
For this purpose, utility model people devises a kind of hand pick formula jacking construction tool pipe, including laterally set under job state
The tube body set, one end of the tube body are the cutting edge end for cutting soil layer；The inside top of the tube body is also equipped with along axis
Mechanism and plate-like top cover are stretched to the hydraulic top of setting, the top cover is located at the cutting edge end, and by axially setting along tube body
The guide rail mechanism set is slidably mounted on the inner wall of the tube body；The hydraulic top stretches the telescopic end of mechanism towards the sword
Mouthful end, and being connected on the top cover, enable the top cover with the telescopic end stretch out or retraction described in tube body；The top cover
Side outwardly is the cutting edge that can cut soil layer.Before construction, top cover is stretched out in the simultaneously soil layer of insertion tube leading face, then
Excavation construction is carried out again, using lifting for top cover, can be effectively prevent the landslide of top soil layer, be improved operational security,
Reducing the later period reprocesses cost.But it easily deforms and influences during being inserted into soil layer using the top cover of steel plate production
Therefore how the use in later period allows top cover to be preferably inserted into soil layer as urgent problem to be solved.
Utility model content
In view of the above shortcomings of the prior art, the technical problem to be solved by the utility model is to how to provide a kind of knot
Rationally, intensity is high, can effectively prevent deforming for structure design, and the jacking construction tool for advantageously reducing the difficulty of insertion soil layer is effective
Top cover.
In order to solve the above-mentioned technical problem, the utility model uses the following technical solution:
A kind of effective top cover of jacking construction tool, which is characterized in that including the crosspiece that is arc-shaped and multiple along described
The circumferential direction of crosspiece is welded on the drill steel on the crosspiece side by side, and the one end at the drill steel towards the cutting edge end of tool pipe has circular cone
The bore bit of shape, the cutting edge of the bore bit composition top cover of multiple drill steels；The crosspiece is used to connect hydraulic top and stretches the flexible of mechanism
End.
Since drill steel has better intensity in the axial direction, and the bore bit of cone and soil layer contact area are smaller, more hold
Easily insertion soil layer is welded to form top cover using multiple drill steels and crosspiece, so that the cutting edge of top cover is sharper.In addition, will stretch
End is connected on crosspiece, can guarantee that hydraulic top is stretched the active force of mechanism and can be balancedly applied on each drill steel.
Further, the crosspiece is provided with multiple along the length direction of the drill steel.
In this way, can be further improved the integral strength of top cover.
Further, extended radially through on the drill steel be provided with the consistent connecting hole of the end surface shape of the crosspiece,
The crosspiece passes through the connecting hole of the drill steel, and is welded on the drill steel.
In this way, crosspiece can be made to be located at the middle part of drill steel, avoids crosspiece exposed and influence the insertion depth of drill steel.And it will
Crosspiece, again with drill-rod welding, can increase fusion length between the two, improve the intensity of the two welding after connecting hole.
Further, the spacing of the two neighboring drill steel is less than 8mm.
In this way, retaining lesser gap between two neighboring drill steel, it can avoid the soil layer of top from collapsing, and can
Reduce the quantity of drill steel.
Further, the drill steel has the threaded hole of coaxial arrangement, the bore bit court towards the one end at the cutting edge end
There is the screw rod to match with the threaded hole to one end of the drill steel, the bore bit is removably mounted on institute by screw rod
It states on the threaded hole of drill steel.
Once bore bit can be replaced at any time in this way, bore bit damages in use, facilitate maintenance.
Further, the bore bit is made of 40MnMoV.
Further, the maximum gauge of the bore bit is 2~3mm bigger than the maximum gauge of the drill steel.
In this way, will form the hole that a diameter is slightly larger than drill steel after bore bit insertion soil layer, preventing drill steel from directly contacting with hole
And increase the Cat-in resisting force of top cover.
Further, the drill steel is square along axial projection, and the connecting hole is along the diagonal line side of the square
It is arranged to perforation.
During being inserted into soil layer due to drill steel, need radially to squeeze soil layer, using the above-mentioned drill steel in rectangle,
Compared to cylindrical drill steel, smaller to the extruding of soil layer, soil layer is also smaller to the reaction force of drill steel, to be conducive to drill steel
Smoothly insertion soil layer.
Further, it is secondary horizontal that the crosspiece, which includes positioned at the main crosspiece of the drill steel end and positioned at the drill steel middle part,
Shelves, the main crosspiece is consistent with size of the drill steel on the thickness direction of top cover, and the main crosspiece is for connecting hydraulic top
Stretch the telescopic end of mechanism；The shape of the connecting hole is consistent with the secondary end surface shape of crosspiece, and the pair crosspiece passes through connection
Hole；Size of the pair crosspiece on the thickness direction of top cover is 3~5mm, and is gradually become smaller along towards the direction of the bore bit
Wedgewise.
Since secondary crosspiece is during drill steel is inserted into soil layer, may be inserted into together with drill steel, the pair in above structure
Crosspiece wedgewise structure, can reduce the resistance of insertion.
In conclusion the utility model has reasonable in design, intensity is high, can effectively prevent deforming, be conducive to drop
The advantages that difficulty of undershoot underground layer.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that tool pipe top cover stretches out state.
Fig. 2 is the present invention looks up structural representation of Fig. 1.
Fig. 3 is a kind of structural schematic diagram of top cover.
Fig. 4 is tool pipe schematic cross-sectional view.
Specific embodiment
Below with reference to embodiment, the utility model is described in further detail.
When specific implementation: as shown in Figure 1 to 4, a kind of hand pick formula jacking construction tool pipe, including cross under job state
To the tube body 1 of setting, one end of the tube body 1 is the cutting edge end for cutting soil layer；The inside top of the tube body 1 is also installed
There is axially disposed hydraulic top to stretch mechanism 2 and plate-like top cover 3, the top cover 3 is located at the cutting edge end, and by along pipe
The guide rail mechanism 4 that body is axially arranged is slidably mounted on the inner wall of the tube body 1；The hydraulic top stretches the flexible of mechanism 2
End is connected on the top cover 3 towards the cutting edge end, enables the top cover 3 with telescopic end stretching or retraction institute
State tube body 1；The side of the top cover 3 outwardly is the cutting edge that can cut soil layer.
Using the above structure, in construction, can first then the whole jacking forward of tool pipe be utilized to pipe leading face
It manages intracorporal hydraulic top and stretches mechanism for top cover towards pipe leading face jacking, cut the cutting edge of top cover outwardly in depth as far as possible
Into the soil layer of pipe leading face, then worker is organized to carry out excavation construction to the ground of pipe leading face.Since worker constructs
Before, top cover is already inserted into soil layer, forms protection cap, so that after soil layer below top cover digs chisel, the soil layer above top cover is not yet
Preferably cave in, can not only ensure the safety of construction personnel, but to avoid sedimentation caused by landslide, can save the later period punching fill concrete and
Road reprocesses expense, reduces construction cost, and can improve construction efficiency.
When implementation, the top cover 3 is whole to be arc-shaped, and the internal diameter of outer diameter and the tube body 1 matches, the top cover 3
It is co-axially located in the tube body 1.
It is work to reduce the occupancy to tubular body space in this way, top cover is enabled to be bonded the inner wall of tube body as far as possible
People provides bigger operating space, facilitates construction.In addition, top cover is arranged it is in the arc-shaped, can increase stretch out after top cover exist
Bending strength on vertical, prevents from deforming, is conducive to improve service life.
When implementation, there are two the settings of guide rail mechanism 4, is located at the two sides in 3 circumferential direction of top cover.
In this way, guide rail mechanism can provide support force to top cover from the two sides of top cover, so that top cover is more uniformly stressed,
Having can damage to avoid guide rail mechanism unbalance loading, be conducive to the service life for improving guide rail mechanism.
When implementation, two supporting blocks 5 are also welded on the inner wall of the tube body 1, two supporting blocks 5 are located at institute
The two sides in 3 circumferential direction of top cover are stated, and close to the position at the cutting edge end；The side of the supporting block 5 towards the top cover 3 has
The support slot passed through for the top cover 3；The length of the top cover 3 is greater than the maximum extension elongation that the hydraulic top stretches mechanism 2.
Since the length of top cover is greater than the maximum extension elongation that hydraulic top stretches mechanism, even if hydraulic top stretches the telescopic end of mechanism
It is fully extended, top cover still some be located in tube body；Again since the supporting block of top cover two sides is located at close to the position at cutting edge end
It sets, when the extension of top cover is by downward pressure, the other end of two supporting blocks and top cover forms lever construction, from
And it can guarantee the balance of top cover.And top cover is supported using supporting block, it is possible to reduce be applied on guide rail mechanism
Active force, to improve the service life of guide rail mechanism.
When implementation, the guide rail mechanism 4 is the rail on the inner wall that the axial direction of the tube body 1 is welded on the tube body 1；
Two rail have the guide groove for penetrating through setting along its length, the guiding along the circumferentially opposed side of the tube body 1
The consistency of thickness of the width of slot and the top cover 3, the two sides in 3 circumferential direction of top cover are respectively fitting into the guide groove.
In above structure, only with a rail with guide groove as guide rail mechanism, meeting the flexible of top cover
Under the premise of mobile demand, maximumlly simplify structure, once top cover damages, only need to be individually replaced top cover, can either keep away
Exempt from labyrinth bring failure, maintenance easy to repair, and cost can be saved.
When implementation, the top cover 3 includes that the crosspiece 31 being arc-shaped and multiple circumferential directions along the crosspiece are welded side by side
Drill steel 32 on the crosspiece 31, the drill steel 32 have the bore bit of cone, Duo Gesuo towards the one end at the cutting edge end
The bore bit for stating drill steel 32 forms the cutting edge of the top cover 3；The telescopic end that the hydraulic top stretches mechanism 2 is connected to the crosspiece 31
On.
Since drill steel has better intensity in the axial direction, and the bore bit of cone and soil layer contact area are smaller, more hold
Easily insertion soil layer is welded to form top cover using multiple drill steels and crosspiece, so that the cutting edge of top cover is sharper.In addition, will stretch
End is connected on crosspiece, can guarantee that hydraulic top is stretched the active force of mechanism and can be balancedly applied on each drill steel.
When it is implemented, top cover can also be using steel plate punched molding or integrally casting shaping.
When implementation, the crosspiece 31 is provided with multiple along the length direction of the drill steel 32.
In this way, can be further improved the integral strength of top cover.
When implementation, the consistent connection of end surface shape being provided with the crosspiece 31 is extended radially through on the drill steel 32
Hole, the crosspiece 31 pass through the connecting hole of the drill steel 32, and are welded on the drill steel 32.
In this way, crosspiece can be made to be located at the middle part of drill steel, avoids crosspiece exposed and influence the insertion depth of drill steel.And it will
Crosspiece, again with drill-rod welding, can increase fusion length between the two, improve the intensity of the two welding after connecting hole.
When implementation, the spacing of the two neighboring drill steel 32 is less than 8mm.
In this way, retaining lesser gap between two neighboring drill steel, it can avoid the soil layer of top from collapsing, and can
Reduce the quantity of drill steel.
When implementation, the drill steel 32 has the threaded hole of coaxial arrangement, the bore bit court towards the one end at the cutting edge end
There is the screw rod to match with the threaded hole to one end of the drill steel 32, the bore bit is removably mounted on by screw rod
On the threaded hole of the drill steel 32.
Once bore bit can be replaced at any time in this way, bore bit damages in use, facilitate maintenance.
When implementation, the bore bit is made of 40MnMoV.
When implementation, the maximum gauge of the bore bit is 2~3mm bigger than the maximum gauge of the drill steel 32.
In this way, will form the hole that a diameter is slightly larger than drill steel after bore bit insertion soil layer, preventing drill steel from directly contacting with hole
And increase the Cat-in resisting force of top cover.
When implementation, the drill steel 32 is square along axial projection, and the connecting hole is along the diagonal line side of the square
It is arranged to perforation.
During being inserted into soil layer due to drill steel, need radially to squeeze soil layer, using the above-mentioned drill steel in rectangle,
Compared to cylindrical drill steel, smaller to the extruding of soil layer, soil layer is also smaller to the reaction force of drill steel, to be conducive to drill steel
Smoothly insertion soil layer.
When implementation, the crosspiece 31 includes being located at the main crosspiece of 32 end of drill steel and being in the middle part of the drill steel 32
Secondary crosspiece, the main crosspiece is consistent with size of the drill steel 32 on the thickness direction of the top cover 3, and the hydraulic top stretches machine
The telescopic end of structure 2 is connected on the main crosspiece；The shape of the connecting hole is consistent with the secondary end surface shape of crosspiece, described
Secondary crosspiece passes through connecting hole；Size of the pair crosspiece on the thickness direction of the top cover 3 is 3~5mm, and along described in
The direction of bore bit gradually becomes smaller wedgewise.
Since secondary crosspiece is during drill steel is inserted into soil layer, may be inserted into together with drill steel, the pair in above structure
Crosspiece wedgewise structure, can reduce the resistance of insertion.
When implementation, it includes the hydraulic cylinder being axially arranged along the tube body 1, the hydraulic cylinder that the hydraulic top, which stretches mechanism 2,
Piston rod be connected on the top cover 3.
The above is only the preferred embodiment of the utility model only, is not limitation with the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (9)
1. a kind of effective top cover of jacking construction tool, which is characterized in that including the crosspiece (31) that is arc-shaped and multiple along institute
The circumferential direction for stating crosspiece is welded on drill steel (32) on the crosspiece (31) side by side, and the drill steel (32) is towards the cutting edge end of tool pipe
One end have cone bore bit, multiple drill steels (32) bore bit composition top cover cutting edge；The crosspiece (31) is used for
Connection hydraulic top stretches the telescopic end of mechanism.
2. the effective top cover of jacking construction tool as described in claim 1, which is characterized in that the crosspiece (31) is along the drill steel
(32) length direction is provided with multiple.
3. the effective top cover of jacking construction tool as described in claim 1, which is characterized in that radially passed through on the drill steel (32)
The consistent connecting hole of end surface shape being equipped with the crosspiece (31) is worn, the crosspiece (31) passes through the company of the drill steel (32)
Hole is connect, and is welded on the drill steel (32).
4. the effective top cover of jacking construction tool as described in claim 1, which is characterized in that the two neighboring drill steel (32)
Spacing is less than 8mm.
5. the effective top cover of jacking construction tool as described in claim 1, which is characterized in that the drill steel (32) is towards the sword
The one end at mouth end has the threaded hole of coaxial arrangement, and the bore bit has towards one end of the drill steel (32) and the threaded hole
The screw rod to match, the bore bit are removably mounted on the threaded hole of the drill steel (32) by screw rod.
6. the effective top cover of jacking construction tool as claimed in claim 5, which is characterized in that the bore bit uses 40MnMoV system
At.
7. the effective top cover of jacking construction tool as claimed in claim 5, which is characterized in that the maximum gauge of the bore bit compares institute
State the big 2~3mm of maximum gauge of drill steel (32).
8. the effective top cover of jacking construction tool as claimed in claim 3, which is characterized in that the drill steel (32) is along axial throwing
Shadow is square, and the connecting hole penetrates through setting along the diagonal of the square.
9. the effective top cover of jacking construction tool as claimed in claim 8, which is characterized in that the crosspiece (31) includes being located at institute
It states the main crosspiece of drill steel (32) end and is located in the middle part of the drill steel (32) for secondary crosspiece, the main crosspiece and the drill steel (32)
Size on the thickness direction of top cover is consistent, and the main crosspiece is for connecting the telescopic end that hydraulic top stretches mechanism (2)；The company
The shape for connecing hole is consistent with the secondary end surface shape of crosspiece, and the pair crosspiece passes through connecting hole；The pair crosspiece is in top cover
Size on thickness direction is 3~5mm, and gradually becomes smaller wedgewise along towards the direction of the bore bit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821412371.0U CN208605194U (en) | 2018-08-30 | 2018-08-30 | A kind of effective top cover of jacking construction tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821412371.0U CN208605194U (en) | 2018-08-30 | 2018-08-30 | A kind of effective top cover of jacking construction tool |
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| Publication Number | Publication Date |
|---|---|
| CN208605194U true CN208605194U (en) | 2019-03-15 |
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ID=65679664
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821412371.0U Active CN208605194U (en) | 2018-08-30 | 2018-08-30 | A kind of effective top cover of jacking construction tool |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113108123A (en) * | 2021-03-04 | 2021-07-13 | 中国水利水电第五工程局有限公司 | Multi-purpose tool pipe for artificial jacking pipe |
-
2018
- 2018-08-30 CN CN201821412371.0U patent/CN208605194U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113108123A (en) * | 2021-03-04 | 2021-07-13 | 中国水利水电第五工程局有限公司 | Multi-purpose tool pipe for artificial jacking pipe |
| CN113108123B (en) * | 2021-03-04 | 2022-06-14 | 中国水利水电第五工程局有限公司 | Multi-purpose tool pipe for artificial jacking pipe |
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