CN207215450U - A kind of shield duct piece resistance to compression detection means - Google Patents
A kind of shield duct piece resistance to compression detection means Download PDFInfo
- Publication number
- CN207215450U CN207215450U CN201721237562.3U CN201721237562U CN207215450U CN 207215450 U CN207215450 U CN 207215450U CN 201721237562 U CN201721237562 U CN 201721237562U CN 207215450 U CN207215450 U CN 207215450U
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- Prior art keywords
- support base
- duct piece
- frame
- shield duct
- detection means
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Abstract
The utility model discloses a kind of shield duct piece resistance to compression detection means, its drip irrigation device is, including frame, in the frame be used for limit the support base of section of jurisdiction position and the jack above the frame, the frame is provided with horizontally disposed slide rail, bearing of trend of the support base along the slide rail slidably reciprocates setting, the support base is provided with the locking mechanism of the position of the support base after being used for limit slippage, the locking mechanism include be threadedly connected to the support base be on screw mandrel and the motor on screw mandrel, one end away from support base sets through the frame and coordinated with gantry rotation on the screw mandrel, by the position for limiting support base, reach the effect for reducing the situation that shield duct piece causes support base off normal in hoisting process.
Description
Technical field
Resistance to compression detection means is the utility model is related to, more particularly to a kind of shield duct piece resistance to compression detection means.
Background technology
Shield duct piece is the main mounting structure of shield-tunneling construction, is the innermost layer barrier of tunnel structure, possesses resistance and come from
The effect of the pressure of soil layer, groundwater pressure and some special loads.Shield duct piece is the permanent lining, secondary lining knot of shield tunnel
Structure, the quality of shield duct piece are directly connected to the total quality and safety in tunnel, influence the water resistance and endurance quality in tunnel.
Importance based on shield duct piece, for before constructing mechanical test can be sampled to shield duct piece, check shield duct piece
Whether mechanical property meets needs of constructing.And in all stress tests, the span centre compression test of shield duct piece can most reflect shield
The overall structure mechanical characteristic of structure section of jurisdiction.
Existing section of jurisdiction resistance to compression detection means, as shown in figure 3, including frame 1, the support base being slidably connected in frame 12
And the inverted jack 3 for being pressed to shield duct piece, the display 8 for reading pressure value is additionally provided with frame 1；Branch
Support seat 2 is respectively used to support the both ends of shield duct piece located at the both sides of frame 1.In detection process, will first the shield that detects be needed
Structure section of jurisdiction is held on support base 2, and the midpoint and jack 3 for making shield duct piece are located on same vertical curve.Then using very heavy
The span centre of the 3 pairs of shield duct pieces in top presses, until crack occurs in the span centre of shield duct piece, reads the numerical value conduct on display
Incipient crack load.Then static test of the shield duct piece under the load of incipient crack is carried out, observes the development in crack.
In place of the deficiencies in the prior art：The quality of section of jurisdiction it is relatively large, it is necessary to lifting is carried out by lifting machine can
Work section of jurisdiction is held on support base, and the process lifted can not ensure the both ends of section of jurisdiction while fall within support base.Namely
Say, the one end that section of jurisdiction during being lifted in section of jurisdiction be present first is fallen within one of support base is, will now be made
Slided and the consequence of off normal in frame under the Action of Gravity Field of shield duct piece into support base, cause the other end of shield duct piece without
Method is supported on another support base.
Utility model content
The purpose of this utility model is to provide a kind of shield duct piece resistance to compression detection means, by limiting the position of support base,
Reach the effect for reducing the situation that shield duct piece causes support base off normal in hoisting process.
Above-mentioned technical purpose of the present utility model technical scheme is that：
A kind of shield duct piece resistance to compression detection means, including frame, in the frame be used for limit section of jurisdiction position
Support base and the jack above the frame, the frame are provided with horizontally disposed slide rail, the support base edge
The bearing of trend of the slide rail slidably reciprocates setting, and the support base is provided with the locking machine for the position for being used to limit support base
Structure, the locking mechanism include the screw mandrel being threadedly connected on the support base, are connected with the screw mandrel for driving its rotation
Motor, one end away from support base sets through the frame and coordinated with gantry rotation on the screw mandrel.
Using above-mentioned technical proposal, when detecting shield duct piece, first start motor drive screw and rotate forward.Two are driven to do
Move toward one another.When seat to be supported is moved to suitable position, motor is closed, support base is restricted on the position, reaches
Limit the effect of the position of support base.Then set by the machinery such as hoisting machine and shield duct piece is held on support base, finally
Pressurizeed using jack pair shield duct piece.
More preferably：The locking mechanism also includes telescopic connector, and one end of the connector is fixed on
On the support base, the other end of the connector is fixed in the frame, is provided with the connector and is used for the company of limitation
The fixture of fitting length.
Using above-mentioned technical proposal, the fixation of the fixture on connector is released first, then starts driving electricity
Machine drives screw mandrel to rotate forward, and two support bases on screw mandrel do move toward one another along guide rail.Meanwhile the company on support base
Fitting is stretched.When seat to be supported moves to correct position, motor is closed, is fixed connector by fixture, limitation connection
The length of part, the position of support base is further limit, improve the stability of support base.
More preferably：The connector includes the interior bar fixed with support base and is sheathed on outside the interior bar
Outer bar, the outer bar are provided with positioning hole, fixing bolt are provided with the positioning hole；The interior bar be provided with it is multiple with it is described solid
Determine the fixing hole of bolt thread cooperation.
Using above-mentioned technical proposal, rotate fixing bolt and make it away from fixing hole, when close positioning hole on fixing bolt
One end is complete when departing from fixing hole, and the fixed effect of fixture releases.Now, connector is in the free shape that can be extended and shorten
State state.When connector is in free state, motor drives support base to be moved on slide rail, when support base reaches suitable
Position after, rotate fixing bolt, one end and fixing hole screw thread on fixing bolt close to fixing hole is coordinated and is realized and fix.
More preferably：The support base includes the sliding groove being slidably matched with the slide rail and located at the slip
Plate is shelved on groove, the plate of shelving is provided with the baffle plate for being used for pushing against shield duct piece.
Using above-mentioned technical proposal, when shield duct piece is held on when shelving on plate of support base, shield duct piece is located at two
Between the baffle plate of support base, the position of shield duct piece is further limited.
More preferably：Described shelve is provided with rubber blanket on plate.
Using above-mentioned technical proposal, when shield duct piece, which is held on, to be shelved on plate, the both ends of shield duct piece be directly prepared into
In supporting plate, the rubber blanket in supporting plate can reduce due to the pressure of jack and cause the both ends of shield duct piece to shift to an earlier date
The situation of destruction.
More preferably：The frame is provided with graduated scale, and bearing of trend of the graduated scale along the slide rail is set.
Using above-mentioned technical proposal, in mobile support base by the graduated scale in frame determine two support bases it
Between distance, coordinate the distance at the distance between two support bases and shield duct piece both ends, it is convenient after lifting work, subtract
Lack the situation for adjusting the distance between support base in hoisting process repeatedly, reduced the artificial power consumption adjusted repeatedly, improve work
Efficiency.
More preferably：The position that jack is corresponded in the frame is provided with middle cross beam, wherein the middle cross beam perpendicular to
The graduated scale is set.
Using above-mentioned technical proposal, in actual mechanical process, jack directly acts on the span centre of shield duct piece, so
The underface for making the midpoint of two support bases be located at jack is needed in mobile support base.And middle cross beam can be used as object of reference
Facilitate the movement to support base in operating process, further improve operating efficiency.
More preferably：The axle center of the zero graduation of the graduated scale and wherein the middle cross beam is correspondingly arranged.
Using above-mentioned technical proposal, when adjusting two support bases, it is only necessary to make two support bases to the length of zero graduation
The distance equal to shield duct piece both ends is added, while makes the distance of each support base to zero graduation equal, is further facilitated
Practical work process corresponds to the span centre of shield duct piece the work of jack setting, realizes efficiently, reduces manually-operated
Loss.
In summary, the utility model has the advantages that：By being provided for limiting support base in frame
Locking mechanism, reach the effect of the position of limitation support base, reduce because support base is mobile and cause shield duct piece not lift
Situation.
Brief description of the drawings
Fig. 1 is the overall structure figure of embodiment；
Fig. 2 is the partial exploded view of embodiment；
Fig. 3 is the overall structure figure of prior art.
In figure, 1, frame；12nd, column；121st, slide rail；13rd, framework；2nd, support base；21st, sliding groove；22nd, plate is shelved；
221st, rubber blanket；23rd, baffle plate；3rd, jack；4th, locking mechanism；41st, screw mandrel；42nd, motor；5th, connector；51st, interior bar；
52nd, outer bar；53rd, fixture；531st, positioning hole；532nd, fixing bolt；533rd, fixing hole；6th, middle cross beam；7th, graduated scale；8th, show
Screen.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
Embodiment：A kind of shield duct piece resistance to compression detection means, as shown in figure 1, including frame 1, frame 1 includes being supported on ground
Four root posts 12 on face.The top surface of wherein two parallel columns 12 is provided with horizontally disposed slide rail 121, on slide rail 121
Two support bases 2 being slidably matched provided with the bearing of trend along slide rail 121.The bottom of support base 2 is provided with sliding groove 21, slides
The top that groove 21 is sheathed on slide rail 121 is set.Framework 13 is provided between two support bases 2, framework 13 is fixed on the middle part of frame,
And framework 13 is provided with and is used to apply stressed inverted jack 3 and the display screen 8 for showing pressure value.
In order to improve the support effect of support base 2, support base 2 includes being used for supporting shelving plate 22 and hanging down for shield duct piece
Directly in the baffle plate 23 for shelving the setting of plate 22, shelve plate 22 and be provided with rubber blanket 221.Wherein, shelve plate 22 side be provided be used for
Limit the locking mechanism 4 of the position of support base 2.Locking mechanism 4 includes the screw mandrel 41 coordinated with the screw thread of support base 2, on screw mandrel 41
One end away from support base 2 passes through that a root post 12 is set and the end is connected with motor 42.
In order to further improve the structural stability of support base 2, in column 12 and shelve and have additional connector between plate 22
5.Connector 5 includes the interior bar 51 being fixed on support base 2 and the outer bar 52 being fixed on column 12, wherein, 52 sets of outer bar
Set located at the outside of interior bar 51.The fixture 53 for being used for limiting the length of connector 5, fixture are provided between interior bar 51 and outer bar 52
53 include the positioning hole 531 being opened in outer bar 52 and the fixing bolt 532 being arranged in positioning hole 531, are set in interior bar 51
There are multiple fixing holes 533 coordinated with the screw thread of fixing bolt 532.When mobile outer bar 52 cause positioning hole 531 in outer bar 52 with
The relative position of interior bar 51 and outer bar 52 is fixed when one fixing hole 533 is to corresponding in interior bar 51 using fixing bolt 532, so as to
Realize the length adjustment of connector 5.Wherein, the size for the shield duct piece that the spacing of fixing hole 533 is often tested by the setting
It is customized, that is to say, that when support base 2, which is moved to, to be coordinated with the ultimate range at shield duct piece both ends, positioning hole 531 is with consolidating
Determine the position correspondence in hole 533.
In order to facilitate the positioning of shield duct piece, the efficiency for lifting shield duct piece is improved, the He of middle cross beam 6 is had additional in frame 1
Graduated scale 7.Middle cross beam 6 corresponds to the position of jack 3 in frame 1, and is set perpendicular to slide rail 121.Graduated scale 7 perpendicular to
Middle cross beam 6 is set, and the zero graduation of graduated scale 7 corresponds to the axis setting of middle cross beam 6.
It is of the present utility model as follows using process：First, the ultimate range at shield duct piece both ends is measured.Fixed spiral shell is unclamped again
Bolt 532 so that interior bar 51 being capable of relative motion with outer bar 52.Then, start the drive screw 41 of motor 42 to rotate forward, drive is set
Moved in the support base 2 on screw mandrel 41 along slide rail 121 towards the direction away from motor 42.Graduated scale 7 is observed, works as support base
When distance where 2 is the half of ultimate range at shield duct piece both ends, motor is closed.Now, fixing bolt 532 is rotated, is made
It coordinates with the screw thread of fixing hole 533 in interior bar 51, reaches the effect of fixed interior bar 51 and outer bar 52.Then, hoisting machine is utilized
Shield duct piece is lifted on support base 2 by tool, and shield duct piece is pressed using jack 3 and carries out compression test.
This specific embodiment is only that it is not to limitation of the present utility model, ability to explanation of the present utility model
Field technique personnel can make the modification of no creative contribution to the present embodiment as needed after this specification is read, but
As long as all protected in the scope of protection of the utility model by Patent Law.
Claims (8)
1. a kind of shield duct piece resistance to compression detection means, including frame（1）, located at the frame（1）On be used for support shield pipe
The support base of piece（2）And located at the frame（1）The jack of top（3）, the frame（1）It is provided with horizontally disposed cunning
Rail（121）, the support base（2）Along the slide rail（121）Bearing of trend slidably reciprocate setting, it is characterised in that the branch
Support seat（2）It is provided with and is used for support base（2）The locking mechanism locked after slip（4）, the locking mechanism（4）Including threaded connection
In the support base（2）On screw mandrel（41）, the screw mandrel（41）On be connected with for drive its rotate motor（42）, institute
State screw mandrel（41）Upper remote support base（2）One end run through the frame（1）Setting and and frame（1）It is rotatably assorted.
A kind of 2. shield duct piece resistance to compression detection means according to claim 1, it is characterised in that the locking mechanism（4）
Also include telescopic connector（5）, the connector（5）One end be fixed on the support base（2）On, the connector
（5）The other end be fixed on the frame（1）On, the connector（5）On be provided with for limiting connector（5）Length is consolidated
Determine part（53）.
A kind of 3. shield duct piece resistance to compression detection means according to claim 2, it is characterised in that the connector（5）Bag
Include and support base（2）Fixed interior bar（51）And it is sheathed on the interior bar（51）Outside outer bar（52）, the fixture
（53）Including being opened in the outer bar（52）On positioning hole（531）, the positioning hole（531）It is interior to be provided with fixing bolt（532）；
The interior bar（51）It is provided with the multiple and fixing bolt（532）The fixing hole that screw thread coordinates（533）.
A kind of 4. shield duct piece resistance to compression detection means according to claim 1, it is characterised in that the support base（2）Bag
Include and the slide rail（121）The sliding groove being slidably matched（21）And located at the sliding groove（21）On shelve plate（22）, institute
State and shelve plate（22）It is provided with the baffle plate for being used for pushing against shield duct piece（23）.
5. a kind of shield duct piece resistance to compression detection means according to claim 4, it is characterised in that described to shelve plate（22）On
It is provided with rubber blanket（221）.
A kind of 6. shield duct piece resistance to compression detection means according to claim 1, it is characterised in that the frame（1）On set
There is graduated scale（7）, the graduated scale（7）Along the slide rail（121）Bearing of trend set.
A kind of 7. shield duct piece resistance to compression detection means according to claim 6, it is characterised in that the frame（1）Shang pair
Answer jack（3）Position be provided with middle cross beam（6）, wherein the middle cross beam（6）Perpendicular to the graduated scale（7）Set.
A kind of 8. shield duct piece resistance to compression detection means according to claim 7, it is characterised in that the graduated scale（7）'s
Zero graduation and wherein the middle cross beam（6）Axle center be correspondingly arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721237562.3U CN207215450U (en) | 2017-09-25 | 2017-09-25 | A kind of shield duct piece resistance to compression detection means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721237562.3U CN207215450U (en) | 2017-09-25 | 2017-09-25 | A kind of shield duct piece resistance to compression detection means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207215450U true CN207215450U (en) | 2018-04-10 |
Family
ID=61822787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721237562.3U Active CN207215450U (en) | 2017-09-25 | 2017-09-25 | A kind of shield duct piece resistance to compression detection means |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207215450U (en) |
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2017
- 2017-09-25 CN CN201721237562.3U patent/CN207215450U/en active Active
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