CN214887095U - Novel prefabricated energy dissipation auto-lock tunnel hoop section of jurisdiction connecting piece - Google Patents
Novel prefabricated energy dissipation auto-lock tunnel hoop section of jurisdiction connecting piece Download PDFInfo
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- CN214887095U CN214887095U CN202120747379.8U CN202120747379U CN214887095U CN 214887095 U CN214887095 U CN 214887095U CN 202120747379 U CN202120747379 U CN 202120747379U CN 214887095 U CN214887095 U CN 214887095U
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- 230000021715 photosynthesis, light harvesting Effects 0.000 title description 3
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 78
- 239000010959 steel Substances 0.000 claims abstract description 78
- 238000005265 energy consumption Methods 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 description 5
- 238000010008 shearing Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
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Abstract
The utility model relates to a novel prefabricated energy consumption self-locking tunnel circumferential duct piece connecting piece, which belongs to the technical field of shield tunnel engineering and comprises a pin bolt and a T-shaped steel plate which are pre-embedded on a circumferential duct piece; the tail end of the pin bolt is fixedly connected with the T-shaped steel plate, a web plate is vertically embedded in the flange of the T-shaped steel plate, a steel column with a self-locking buckle is fixedly mounted on the web plate, and a reset spring stack is arranged at the tail end of the steel column; the circumferential pipe piece is provided with a first groove, and the web plate can be inserted into the first groove; a second groove and a third groove are also arranged in the first groove, the third groove is positioned in the second groove, and the second groove and the third groove are in a step shape; the positions of the second groove and the third groove correspond to those of the steel column, the steel column can be sequentially inserted into the second groove and the third groove, and the self-locking buckle is clamped in the second groove. The utility model discloses the connecting piece homoenergetic is prefabricated in advance at the processing scene, and it is convenient to install, can solve along the connection problem between the adjacent section of jurisdiction of hoop.
Description
Technical Field
The utility model belongs to the technical field of shield tunnel engineering for the connection of tunnel hoop section of jurisdiction, in particular to novel prefabricated power consumption auto-lock tunnel hoop section of jurisdiction connecting piece.
Background
At present, the existing shield tunnel is generally formed by splicing a plurality of specifications of segments prefabricated by reinforced concrete, when the segments are prefabricated, connecting bolt holes need to be positioned on a template in advance, so that the prefabricated segments can be connected, assembled and fastened annularly and longitudinally through specially-made bolts when the shield tunnel is constructed, and a complete concrete pipeline is formed. In addition, connecting bolt can arouse the expansion of seam (especially when rectifying) to a certain extent when not screwing up for the section of jurisdiction is lax state after the tunnelling stops, so follow-up tunnelling in-process need carry out the compound tight of bolt to follow-up several rings, and in addition, the section of jurisdiction is assembling the in-process because the thrust of shield jack is too big, thrust inequality, the crack that the eccentric production of thrust, damage, the piece scheduling problem that falls are particularly outstanding, the utility model discloses a solve the connection problem between the adjacent section of jurisdiction of hoop along, propose a novel prefabricated power consumption auto-lock tunnel hoop section of jurisdiction connecting piece for this reason specially here.
Disclosure of Invention
The utility model discloses a solve the technical problem that exists among the known art and provide a novel prefabricated energy dissipation auto-lock tunnel hoop section of jurisdiction connecting piece, the connecting piece homoenergetic is prefabricated in advance at the processing scene, and it is convenient to install, can solve along the connection problem between the adjacent section of jurisdiction of hoop.
The utility model comprises the following technical scheme: a novel prefabricated energy-consumption self-locking tunnel annular duct piece connecting piece comprises a pin bolt and a T-shaped steel plate, wherein the pin bolt and the T-shaped steel plate are pre-embedded in an annular duct piece; the tail end of the pin bolt is fixedly connected with the T-shaped steel plate, a web plate is vertically embedded in the flange of the T-shaped steel plate, a steel column with a self-locking buckle is fixedly mounted on the web plate, and a reset spring stack is arranged at the tail end of the steel column; the circumferential pipe piece is provided with a first groove, and the web plate can be inserted into the first groove; a second groove and a third groove are also arranged in the first groove, the third groove is positioned in the second groove, and the second groove and the third groove are in a step shape; the positions of the second groove and the third groove correspond to those of the steel column, the steel column can be sequentially inserted into the second groove and the third groove, and the self-locking buckle is clamped in the second groove.
Furthermore, the connection mode between the annular duct piece connecting pieces is a pushing type. When the steel column is completely inserted into the circumferential duct piece at the rear, the web completely enters the first groove at the rear, the cross section size of the web is the same as that of the first groove, and the upper side and the lower side of the joint can be firmly clamped.
Furthermore, the front end of the second groove is fixedly provided with a hinged steel plate. When the self-locking buckle at the tail end of the steel column penetrates through the hinged steel plate, the hinged steel plate is closed to block the self-locking buckle, meanwhile, the reset laminated spring is clamped in the third groove, the reset laminated spring is compressed and rebounded to strengthen the connection between the self-locking buckle and the hinged steel plate, the operation method saves the time of manual site construction connection, and the operation is simple.
Further, the hinged steel plates on the two sides are in 45-degree contact.
Further, the auto-lock buckle is the triangular prism buckle, the spring is folded in the restoration is located auto-lock buckle rear. The steel column is reset when extending into the second groove and the third groove, is folded with the spring compression, and is fixedly connected with the position through the self-locking buckle.
Furthermore, the cross-sectional dimension of the web is the same as that of the first groove, and the web is tightly attached to the inner surface of the first groove when being inserted into the first groove. Longitudinal shearing force is borne by the web plate and the first groove, longitudinal sliding of the tunnel ring to the duct piece is prevented, shearing force borne by a steel column at the joint of the tunnel is greatly reduced, anti-sliding strength of the connecting point is improved, and a good energy consumption effect is achieved.
Further, the inner surfaces of the first groove and the second groove are both prefabricated steel plates; the pin bolt, the T-shaped steel plate, the web plate, the steel column and the hinged steel plate are all prefabricated connecting pieces.
The utility model has the advantages and positive effect:
1. the utility model discloses all connecting pieces all can be prefabricated in advance, only need impel the pipe wall forward during the connection, can be with the section of jurisdiction connection around through steel column and auto-lock buckle, the web and the first recess zonulae occludens of T shaped steel board also can avoid the section of jurisdiction dislocation from top to bottom in addition.
2. The utility model discloses the shield constructs jack thrust properly to offset through the early warning power that the dish spring that resets warp the production assembling the in-process for because the section of jurisdiction extrusion crack that shield constructs jack thrust and too big arouse, damaged, fall the piece and reduce in the very big degree, improved the quality and the completeness that the section of jurisdiction was assembled, greatly reduced because infiltration problem and other potential safety hazards that the section of jurisdiction crack arouses, practice thrift the maintenance cost of tunnel use, improve tunnel life.
Drawings
FIG. 1 is a schematic cross-sectional view of a connection prior to connection;
FIG. 2 is a schematic cross-sectional view of the connection after connection;
FIG. 3 is a schematic view of a T-shaped steel plate mounting surface;
in the drawings, 1-pin; 2-T type steel plate; 21-T shaped steel plate flanges; 22-a web; 3-steel column; 4-reset spring folding; 5-a first groove; 6-hinged steel plates; 7-a second groove; 8-third groove.
Detailed Description
To further disclose the contents, features and functions of the present invention, the following examples are given in detail with reference to the accompanying drawings.
Example (b): referring to the attached drawings 1-3, a novel prefabricated energy-consumption self-locking tunnel annular duct piece connecting piece comprises a pin bolt 1 and a T-shaped steel plate 2, wherein the pin bolt 1 and the T-shaped steel plate are pre-embedded on an annular duct piece; the tail end of the pin bolt 1 is fixedly connected with the T-shaped steel plate 2, and the tail end of the pin bolt 1 extends into a T-shaped steel plate flange 21 to fix the T-shaped steel plate 2; each T-shaped steel plate flange 21 is fixed by four pin bolts 1, and the pin bolts 1 are positioned around the T-shaped steel plate flange 21.
Two parallel webs 22 are vertically embedded in the T-shaped steel plate flange 21, two steel columns 3 with self-locking buckles are fixedly mounted on each web 22, and the section size of each steel column 3 is determined by the connection strength. The distance requirement of the steel columns is determined according to the size and strength requirements of the web 22.
The tail end of the steel column 3 is provided with a reset laminated spring 4, and the reset laminated spring 4 is sleeved on the steel column 3; the auto-lock buckle is the triangular prism buckle, it is located to fold spring 4 that resets auto-lock buckle rear. When the steel column 3 extends into the second groove 7 and the third groove 8, the reset laminated spring 4 is compressed and is fixedly connected with the part through the self-locking buckle.
The circumferential pipe piece is provided with a first groove 5, and the web plate 22 can be inserted into the first groove 5; a second groove 7 and a third groove 8 are also arranged in the first groove 5, the third groove 8 is positioned in the second groove 7, and the second groove and the third groove are in a step shape; the positions of the second groove 7 and the third groove 8 correspond to those of the steel column 3, the steel column 3 can be sequentially inserted into the second groove 7 and the third groove 8, and the self-locking buckle is clamped in the second groove 7.
The connection mode between the annular duct piece connecting pieces is a pushing type. When the steel column 3 is completely inserted into the circumferential duct piece at the rear, the web 22 completely enters the first groove 5 at the rear, the section size of the web 22 is the same as that of the first groove 5, and the upper side and the lower side of the connection part can be firmly clamped. The cross-sectional dimension of the web 22 is the same as that of the first groove 5, and the web 22 is tightly attached to the inner surface of the first groove 5 when inserted into the first groove. Longitudinal shearing force is borne by the web plate 22 and the first groove 5, longitudinal sliding of the annular duct piece of the tunnel is prevented, shearing force borne by the steel column 3 at the joint of the tunnel is greatly reduced, anti-sliding strength of the joint is improved, and a good energy consumption effect is achieved.
The front end of the second groove 7 is fixedly provided with hinged steel plates 6, and the hinged steel plates 6 on the two sides are in 45-degree contact. The size and dimension of the self-locking buckle and the hinged steel plate 6 are determined according to the requirement of connection strength and the sectional dimension of the rear second groove 7. When the self-locking buckle at the tail end of the steel column 3 penetrates through the hinged steel plate 6, the hinged steel plate 6 is closed to block the self-locking buckle, the reset laminated spring 4 is clamped in the third groove 8, the reset laminated spring 4 is compressed and rebounded to strengthen the connection between the self-locking buckle and the hinged steel plate 6, the operation method saves the time of manual site construction connection, and the operation is simple.
The inner surfaces of the first groove 7 and the second groove 8 are both prefabricated steel plates; the pin bolt 1, the T-shaped steel plate 2, the web plate 22, the steel column 3 and the hinged steel plate 6 are all prefabricated connecting pieces. The specific number and the specific position distribution of each prefabricated connecting piece are determined according to design requirements and construction conditions. Each notch is made of high-strength steel, and the strength of the specific material is selected to meet the requirement of designed bearing capacity.
The pin bolts 1 are respectively embedded at the front end and the rear end of each annular duct piece when being embedded, and the plug of the rear duct piece is matched with the socket hole of the front duct piece when the duct pieces are assembled.
Although the preferred embodiments of the present invention have been described, the present invention is not limited to the above-mentioned embodiments, which are only illustrative and not restrictive, and those skilled in the art can make many forms without departing from the spirit and scope of the present invention. All of which fall within the scope of the present invention.
Claims (7)
1. The utility model provides a novel prefabricated power consumption auto-lock tunnel hoop section of jurisdiction connecting piece which characterized in that: the pipe piece comprises a pin bolt and a T-shaped steel plate which are pre-embedded on an annular pipe piece; the tail end of the pin bolt is fixedly connected with the T-shaped steel plate, a web plate is vertically embedded in the flange of the T-shaped steel plate, a steel column with a self-locking buckle is fixedly mounted on the web plate, and a reset spring stack is arranged at the tail end of the steel column; the circumferential pipe piece is provided with a first groove, and the web plate can be inserted into the first groove; a second groove and a third groove are also arranged in the first groove, the third groove is positioned in the second groove, and the second groove and the third groove are in a step shape; the positions of the second groove and the third groove correspond to those of the steel column, the steel column can be sequentially inserted into the second groove and the third groove, and the self-locking buckle is clamped in the second groove.
2. The novel prefabricated energy-consumption self-locking tunnel circumferential segment connecting piece as claimed in claim 1, which is characterized in that: the connection mode between the annular duct piece connecting pieces is a pushing type.
3. The novel prefabricated energy-consumption self-locking tunnel circumferential segment connecting piece as claimed in claim 1, which is characterized in that: and the front end of the second groove is fixedly provided with a hinged steel plate.
4. The novel prefabricated energy-consumption self-locking tunnel circumferential segment connecting piece as claimed in claim 3, wherein: the hinged steel plates on two sides are in 45-degree contact.
5. The novel prefabricated energy-consumption self-locking tunnel circumferential segment connecting piece as claimed in claim 1, which is characterized in that: the self-locking buckle is a triangular prism buckle, and the reset folding spring is located behind the self-locking buckle.
6. The novel prefabricated energy-consumption self-locking tunnel circumferential segment connecting piece as claimed in claim 1, which is characterized in that: the cross section of the web plate is the same as that of the first groove, and the web plate is tightly attached to the inner surface of the first groove when being inserted into the first groove.
7. The novel prefabricated energy-consumption self-locking tunnel circumferential segment connecting piece as claimed in claim 1, which is characterized in that: the inner surfaces of the first groove and the second groove are both prefabricated steel plates; the pin bolt, the T-shaped steel plate, the web plate, the steel column and the hinged steel plate are all prefabricated connecting pieces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120747379.8U CN214887095U (en) | 2021-04-13 | 2021-04-13 | Novel prefabricated energy dissipation auto-lock tunnel hoop section of jurisdiction connecting piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120747379.8U CN214887095U (en) | 2021-04-13 | 2021-04-13 | Novel prefabricated energy dissipation auto-lock tunnel hoop section of jurisdiction connecting piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214887095U true CN214887095U (en) | 2021-11-26 |
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ID=78886959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120747379.8U Expired - Fee Related CN214887095U (en) | 2021-04-13 | 2021-04-13 | Novel prefabricated energy dissipation auto-lock tunnel hoop section of jurisdiction connecting piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214887095U (en) |
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2021
- 2021-04-13 CN CN202120747379.8U patent/CN214887095U/en not_active Expired - Fee Related
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211126 |