CN115520775A - Device for dismantling negative ring pipe piece of tunnel - Google Patents
Device for dismantling negative ring pipe piece of tunnel Download PDFInfo
- Publication number
- CN115520775A CN115520775A CN202211377557.8A CN202211377557A CN115520775A CN 115520775 A CN115520775 A CN 115520775A CN 202211377557 A CN202211377557 A CN 202211377557A CN 115520775 A CN115520775 A CN 115520775A
- Authority
- CN
- China
- Prior art keywords
- arc
- pipe piece
- straight panel
- tunnel
- negative ring
- 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 claims abstract description 29
- 239000010959 steel Substances 0.000 claims abstract description 29
- 238000009434 installation Methods 0.000 claims abstract description 8
- 238000003466 welding Methods 0.000 claims 1
- 238000000034 method Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000006399 behavior Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/62—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means comprising article-engaging members of a shape complementary to that of the articles to be handled
- B66C1/66—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means comprising article-engaging members of a shape complementary to that of the articles to be handled for engaging holes, recesses, or abutments on articles specially provided for facilitating handling thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/06—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for minimising or preventing longitudinal or transverse swinging of loads
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/08—Lining with building materials with preformed concrete slabs
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention discloses a device for dismantling a tunnel negative ring pipe piece, which comprises a pipe piece bolt and a bracket, wherein the pipe piece bolt comprises an arc-shaped screw rod with threads on the surface, a bolt head is formed at the first end of the arc-shaped screw rod, a fastening nut is connected to the second end of the arc-shaped screw rod in a threaded manner, the bracket comprises a straight panel which is attached to the circumferential end surface of the negative ring pipe piece, and a lifting lug steel plate which is vertically welded at the central position of the top of the straight panel, triangular plate supports are symmetrically welded and fixed between the two side panel surfaces of the lifting lug steel plate and the straight panel, an upper through hole for the first end of the arc-shaped screw rod to penetrate through is formed in the central position of the straight panel, and a screw rod installation operation hole is formed in the central position of one side of the lifting lug steel plate, which corresponds to the upper through hole. According to the lifting appliance, the lifting point is provided for each detached negative ring pipe piece through the lifting appliance formed by the bracket and the arc pipe piece bolt, the arc screw of the bracket can be matched with the annular hand hole of the negative ring pipe piece, the whole device is convenient to mount and is firmly connected with the negative ring pipe piece, the lifting appliance cannot fall off easily, and the safety is improved.
Description
Technical Field
The invention relates to the technical field of foundation pit water level observation, in particular to a device for dismantling a tunnel negative ring pipe sheet.
Background
In the construction process of the subway tunnel, the negative ring pipe pieces can be dismantled after the tunneling reaches the corresponding mileage according to the management of the progress of each project. The removal of the negative ring segment has great risk. In the prior process of dismantling the negative ring pipe piece, a steel wire rope with a rope buckle is generally adopted as a lifting appliance, and the mode has long consumption period, low efficiency and multiple uncontrollable factors, such as falling to the bottom caused by carelessness in the lifting process, thereby forming certain risks and unsafe behaviors to personnel.
Disclosure of Invention
In order to overcome the problems and the defects in the prior art, the invention provides the efficient, safe and convenient device for dismantling the negative ring pipe sheets of the tunnel, so that the dismantling efficiency and the safety efficiency are improved, the labor intensity is correspondingly reduced, the labor input is reduced, and the cost is reduced.
In order to solve the technical problems, the device for dismantling the negative ring pipe piece of the tunnel comprises a pipe piece bolt and a bracket, wherein the pipe piece bolt comprises an arc-shaped screw rod with threads on the surface, a bolt head is formed at the first end of the arc-shaped screw rod, a fastening nut is connected with the second end of the arc-shaped screw rod in a threaded mode, the bracket comprises a straight panel and a lifting lug steel plate, the straight panel is attached to the circumferential end face of the negative ring pipe piece, the lifting lug steel plate is perpendicularly welded to the center of the top of the straight panel, triangular plate supports are symmetrically welded and fixed between the two side plate faces of the lifting lug steel plate and the straight panel, an upper through hole for the first end of the arc-shaped screw rod to penetrate through is formed in the center of the straight panel, and a screw rod installation operation hole is formed in the center of one side of the lifting lug steel plate and corresponds to the upper through hole.
As a preferred embodiment of the device, the radian of the arc-shaped screw is consistent with the radian of the circular hand hole of the pipe piece.
As a preferred embodiment of the device of the present invention, a lifting hole is formed in the upper portion of the lifting lug steel plate at a position corresponding to the screw installation operation hole.
As a preferred embodiment of the device of the present invention, a side of the lifting lug steel plate away from the flat panel is in a circular arc shape.
As a preferred embodiment of the device of the present invention, the triangular plate support is a right-angled triangular steel plate, and two right-angled sides are respectively welded and fixed to the lifting lug steel plate and the straight panel.
As a preferred embodiment of the device, the surface of the arc-shaped screw rod is attached to the inner surface of the annular hand hole of the pipe piece.
The invention has the beneficial effects that: the lifting appliance formed by the bracket and the arc-shaped pipe piece bolt provides a lifting point for each detached negative ring pipe piece, the arc-shaped screw rod of the bracket can be matched with a circular hand hole of the negative ring pipe piece, the straight panel of the bracket is tightly attached to the circular end face of the negative ring pipe piece, and the fastening nut is fastened on the inner side of the pipe piece, so that the whole device is firmly connected with the negative ring pipe piece, and cannot drop easily, and the safety is improved. In addition, the arc-shaped screw rods are tightly attached to the bolt holes of the annular hand holes of the negative ring pipe pieces, so that the excessive swing amplitude during hoisting operation can be reduced.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a device for removing a tunnel bustle pipe provided by the invention.
Fig. 2 is a schematic view of a negative ring segment.
The correspondence of the reference numerals is as follows:
1-a negative ring segment; 2-circular hand hole; 3-circumferential end face; 4-corbel; 41-a flat panel; 42-a lifting lug steel plate; 43-triangular supports; 44-screw mounting operation hole; 45-hoisting holes; 5-segment bolts; 51-arc screw; 52-bolt head; 53-fastening nuts.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Referring to fig. 1 and 2, the device for detaching the negative ring segments of the tunnel according to the embodiment of the present invention mainly includes a segment bolt 5 and a bracket 4 as shown in fig. 1, wherein the segment bolt 5 includes an arc-shaped screw 51 with threads on the surface, a bolt head 52 is formed at a first end of the arc-shaped screw 51, and a fastening nut 53 is threadedly connected to a second end of the arc-shaped screw 51. The bracket 4 comprises a straight panel 41 attached to the circumferential end face 3 of the negative ring duct piece 1 shown in fig. 2, and a lifting lug steel plate 42 vertically welded to the center of the top of the straight panel 41, wherein a triangular plate support 43 is symmetrically welded and fixed between the two side plate surfaces of the lifting lug steel plate 42 and the straight panel 41, an upper through hole (not marked in the figure) for the first end of the arc screw 51 to penetrate is formed in the center of the straight panel 41, and a screw installation operation hole 44 is formed in the center of one side of the lifting lug steel plate 42 corresponding to the upper through hole.
Furthermore, the radian of the arc-shaped screw rod 51 is consistent with that of the annular hand hole 2 of the pipe piece. The circular hand holes 2 of the duct pieces are structures of the negative ring duct pieces, bolt holes are formed in the duct pieces, and circular bolts are matched to be used for circular splicing among the negative ring duct pieces. The annular hand hole 2 is positioned on the inner arc surface of the duct piece, and the bolt hole inside the annular hand hole 2 is arc-shaped and penetrates through the annular hand hole 2 and the annular end face 3. The arc-shaped screw rod 51 is tightly attached to the bolt eye of the annular hand hole 2 of the negative ring segment 1, so that the excessive swing amplitude during hoisting operation can be reduced.
Furthermore, a hoisting hole 45 is formed in the upper portion of the lifting lug steel plate 42 corresponding to the screw installation operation hole 44, is used for penetrating through the steel wire rope clamping ring, is connected with hoisting machinery, and is used for real-time hoisting.
Further, the side of the shackle steel plate 42 away from the flat panel 41 is rounded. The triangular plate support 43 is a right-angled triangular steel plate, and two right-angled sides are respectively welded and fixed on the lifting lug steel plate 42 and the straight panel 41.
The use method of the device for dismantling the tunnel negative ring pipe sheet comprises the following steps:
1. the device is disassembled and installed from top to bottom and in blocks by the annular hand-hole inner bolt of the negative ring segment;
2. the device penetrates from the outer part to the inner part of the duct piece through the dismantling platform, the arc-shaped screw is arranged in a bolt hole in the circumferential hand hole, and the flat panel of the bracket is tightly attached to the circumferential end face of the negative ring duct piece;
3. tightening a nut inside the arc-shaped screw of the device, and checking the installation tightness;
4. the steel wire rope clamping ring penetrates through a hoisting hole in the top of the bracket to be hoisted in a test mode, and after the test hoisting is qualified, formal hoisting is carried out;
5. the hoisting process is circulated in each time.
The invention provides a safe, quick and convenient device for dismantling the quality of a tunnel negative ring pipe piece and a using method thereof, and the device has the following advantages:
1. the manufacturing is simple, and the application range is wide;
2. the demolition efficiency is improved, and the management cost is reduced;
3. the manufacturing can be completed only by a segment bolt and a bracket;
4. the problems of low dismantling efficiency and high labor consumption are solved.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, and the scope of protection is still within the scope of the invention.
Claims (6)
1. A device for dismantling a tunnel negative ring pipe sheet is characterized in that: including section of jurisdiction bolt and bracket, the section of jurisdiction bolt is including the surface and establish screwed arc screw, arc screw's first end forms the bolt head, arc screw's second end threaded connection has fastening nut, the bracket include with the straight panel, the perpendicular welding that the hoop terminal surface of negative ring section of jurisdiction laminated mutually in the lug steel sheet that straight panel top central point put, the both sides face of lug steel sheet with symmetrical welded fastening has the set-square to support between the straight panel, straight panel's central point puts and has seted up the confession the upper portion through-hole that arc screw's first end was worn to establish, the central point of lug steel sheet one side puts and corresponds the screw rod installation handle hole has been seted up to the upper portion through-hole.
2. The device for the removal of a tunnel grommet sheet according to claim 1, characterized in that: the radian of the arc-shaped screw rod is consistent with that of the annular hand hole of the duct piece.
3. The device for the removal of a tunnel grommet sheet according to claim 1, characterized in that: and hoisting holes are formed in the upper parts of the lifting lug steel plates corresponding to the positions of the screw installation operation holes.
4. The device for the removal of a tunnel grommet sheet according to claim 1, characterized in that: one side of the lifting lug steel plate, which is far away from the straight panel, is arc-shaped.
5. The device for the removal of a tunnel grommet sheet according to claim 1, characterized in that: the triangular plate support is a right-angled triangular steel plate, and the two right-angled sides are respectively welded and fixed on the lifting lug steel plate and the straight panel.
6. The device for the removal of a tunnel grommet sheet according to claim 1, characterized in that: the surface of the arc-shaped screw rod is attached to the inner surface of the annular hand hole of the duct piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211377557.8A CN115520775A (en) | 2022-11-04 | 2022-11-04 | Device for dismantling negative ring pipe piece of tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211377557.8A CN115520775A (en) | 2022-11-04 | 2022-11-04 | Device for dismantling negative ring pipe piece of tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115520775A true CN115520775A (en) | 2022-12-27 |
Family
ID=84705016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211377557.8A Pending CN115520775A (en) | 2022-11-04 | 2022-11-04 | Device for dismantling negative ring pipe piece of tunnel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115520775A (en) |
-
2022
- 2022-11-04 CN CN202211377557.8A patent/CN115520775A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106499201A (en) | A kind of dismountable safety rope tool-type holding clamp and its using method | |
| CN210439705U (en) | Precast concrete superimposed sheet hoist device | |
| CN220748271U (en) | Light-duty negative ring pipe piece convenient and quick to dismantle | |
| CN105127949A (en) | Hydraulic separation tool for flanges | |
| CN115520775A (en) | Device for dismantling negative ring pipe piece of tunnel | |
| CN212078667U (en) | Expansion joint shear wall combination template capable of being assembled and disassembled quickly | |
| CN204850048U (en) | Overlap joint structure of quick hoist and mount of supplementary high -rise girder steel | |
| CN205975635U (en) | Foundation pit support structure | |
| CN210766166U (en) | Quick screen cylinder disassembling tool for pressure screen | |
| CN212527518U (en) | Oil cylinder piston rod tool | |
| CN210678538U (en) | Frock is dismantled to subdivision formula centrifugal compressor baffle | |
| CN213575073U (en) | Hoisting device of blast furnace gas-tight box | |
| CN105019556A (en) | Lap-joint structure assisting quick hoisting of high-rise steel beam, and application of lap-joint structure | |
| CN206028597U (en) | Processingequipment and system of processing of steel reinforcement cage | |
| CN219860130U (en) | Pump guard board auxiliary dismounting device | |
| CN220011827U (en) | TBM aircraft nose hoist and mount anchor clamps | |
| CN214422094U (en) | Large-section I-steel lifting appliance | |
| CN219792198U (en) | Lifting lug structure capable of being quickly installed and removed | |
| CN215926318U (en) | Cast-in-place support crossbeam quick connect connects | |
| CN215160201U (en) | Detachable lifting lug for lifting large steel member | |
| CN212264950U (en) | Clamping and hoisting device | |
| CN205077876U (en) | Prestressed steel strand pulling machine and tensioning jack suspension device | |
| CN218595861U (en) | Sandwich plate hoisting clamp | |
| CN219604652U (en) | Combined keel suspended ceiling structure | |
| CN204954757U (en) | Flange hydraulic pressure separating instrument |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |