CN218521799U - Tunnel foundation pit retaining device with high protection performance - Google Patents
Tunnel foundation pit retaining device with high protection performance Download PDFInfo
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- CN218521799U CN218521799U CN202222667954.0U CN202222667954U CN218521799U CN 218521799 U CN218521799 U CN 218521799U CN 202222667954 U CN202222667954 U CN 202222667954U CN 218521799 U CN218521799 U CN 218521799U
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- rod
- internal thread
- connecting block
- wedge
- foundation pit
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Abstract
The utility model relates to a construction technical field just discloses a tunnel foundation pit enclosure device that protectiveness is high, including internal thread pipe and two-way lead screw, two the internal thread pipe is from last to setting gradually down, two-way lead screw set up in two between the internal thread pipe, two the internal thread pipe all cup joints with the one end screw thread of the two-way lead screw that corresponds, two the mounting groove has all been seted up to the both sides of internal thread pipe, the inside of mounting groove is rotated through first bull stick and is provided with the fender rod, two one side be provided with first connecting block, the opposite side two be provided with the second connecting rod between the fender rod, it is a plurality of the one end of fender rod is all rotated through the second bull stick and the one end of corresponding first connecting block and second connecting block and is connected. The utility model discloses can fold and accomodate, conveniently transport, and can carry out firm concatenation fixed, can improve barrier propterty greatly.
Description
Technical Field
The utility model relates to a construction technical field especially relates to a tunnel foundation pit enclosure device that protectiveness is high.
Background
Along with more and more attention to safety problems, when a tunnel foundation pit is constructed, in order to ensure the construction safety, a retaining device is usually installed outside the foundation pit.
The traditional tunnel foundation pit support device is mostly of a fixed structure, and is inconvenient to assemble, assemble and disassemble, so that the support device is inconvenient to transport and carry; and generally, only simple enclosing operation is carried out, and the function is single, so that the safety performance of the equipment is not high.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems that the tunnel foundation pit support device in the prior art is mostly of a fixed structure, and is inconvenient to assemble, assemble and disassemble, so that the support device is inconvenient to transport and carry; and the tunnel foundation pit support device with high protection performance is provided.
In order to realize the purpose, the utility model adopts the following technical scheme:
the utility model provides a tunnel foundation ditch enclosure device that protectiveness is high, includes internal thread pipe and two-way lead screw, two the internal thread pipe is from last to setting gradually down, two-way lead screw sets up in two between the internal thread pipe two the internal thread pipe all cup joints with the one end screw thread of the two-way lead screw that corresponds, two the mounting groove has all been seted up to the both sides of internal thread pipe, the inside of mounting groove is rotated through first bull stick and is provided with the fender rod, two one side be provided with first connecting block between the fender rod, the opposite side is two be provided with the second connecting rod, it is a plurality of between the fender rod the one end all rotates through the second bull stick and the one end of the first connecting block that corresponds and second connecting block and is connected, be provided with coupling mechanism between first connecting block and the second connecting block.
Preferably, coupling mechanism includes wedge and inserted bar, the wedge is fixed to be set up in the lateral wall of first connecting block, the wedge groove has been seted up to the lateral wall of second connecting block, wedge and wedge groove phase-match, the cavity has been seted up to one side of wedge groove, the inside slip of cavity is provided with the baffle, the fixed cover of inserted bar connects in the middle part of baffle, the both ends of inserted bar all extend to the outside of cavity, the one end of inserted bar extends to the inside of wedge groove, the jack has been seted up to the lateral wall of wedge, inserted bar and jack phase-match, the fixed spring that is provided with in one side that corresponds wedge groove is kept away from to the baffle, the other end of spring and the inside fixed connection of cavity.
Preferably, a placing plate is arranged at the lower end of the lower threaded pipe.
Preferably, a plurality of anti-skid nails are fixedly arranged on the lower surface of the placing plate.
Preferably, the middle end of the bidirectional screw rod is fixedly sleeved with a rotating wheel.
Preferably, one end of the inserted bar, which is far away from the corresponding wedge-shaped groove, is fixedly provided with a pulling block.
Compared with the prior art, the utility model provides a tunnel foundation pit enclosure that protectiveness is high possesses following beneficial effect:
1. according to the tunnel foundation pit support device with high protection performance, the two-way screw rod is rotated to enable the internal thread pipes on the two sides to be close to each other, namely the protection rods on the two sides are rotated and unfolded, so that protection work can be carried out, otherwise, the device can be folded and stored, and transportation is facilitated;
2. this tunnel foundation pit enclosure device that protectiveness is high inserts the wedge inslot of opposite side device through the wedge with one side device, then loosens the inserted bar that corresponds for the inserted bar inserts in the wedge, accomplishes the high-efficient and firm concatenation fixed to two devices promptly, can improve barrier propterty greatly.
The part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses can fold and accomodate, conveniently transport, and can carry out firm concatenation fixed, can improve barrier propterty greatly.
Drawings
Fig. 1 is a schematic structural view of a tunnel foundation pit support device with high protection performance provided by the utility model;
FIG. 2 is a schematic view of two device main body installation structures;
fig. 3 is an enlarged view of a portion a of fig. 2.
In the figure: the anti-skid device comprises a 1 internal threaded pipe, a 2 bidirectional screw rod, a 3 first rotating rod, a 4 protective rod, a 5 first connecting block, a 6 second connecting block, a 7 second rotating rod, a 8 placing plate, 9 anti-skid nails, 10 wedge-shaped blocks, 11 rotating wheels, 12 baffle plates, 13 inserted rods, 14 springs and 15 pull blocks.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Example one
Referring to fig. 1, a tunnel foundation pit enclosure device that protectiveness is high, including internal thread pipe 1 and two-way lead screw 2, two internal thread pipes 1 set gradually under to from last, two-way lead screw 2 sets up between two internal thread pipes 1, two internal thread pipes 1 all cup joint with the one end screw thread of the two-way lead screw 2 that corresponds, the fixed runner 11 that has cup jointed of middle-end of two-way lead screw 2, conveniently rotate two-way lead screw 2, the mounting groove has all been seted up to two internal thread pipes 1's both sides, the inside of mounting groove is rotated through first bull stick 3 and is provided with fender rod 4, be provided with first connecting block 5 between two fender rods 4 of one side, be provided with the second connecting rod between two fender rods 4 of opposite side, the one end of a plurality of fender rods 4 all rotates through second bull stick 7 and the one end of the first connecting block 5 and the second connecting block that correspond and is connected.
Example two
Referring to fig. 1-3, a connection mechanism is arranged between the first connection block 5 and the second connection block 6, the connection mechanism includes a wedge 10 and an insertion rod 13, the wedge 10 is fixedly arranged on the outer side wall of the first connection block 5, a wedge groove is formed in the outer side wall of the second connection block 6, the wedge 10 is matched with the wedge groove, a cavity is formed in one side of the wedge groove, a baffle 12 is arranged in the cavity in a sliding mode, the insertion rod 13 is fixedly sleeved on the middle portion of the baffle 12, the two ends of the insertion rod 13 all extend to the outer side of the cavity, one end of the insertion rod 13 extends to the inside of the wedge groove, a jack is formed in the side wall of the wedge 10, the insertion rod 13 is matched with the jack, a spring 14 is fixedly arranged on one side, far away from the corresponding wedge groove, of the baffle 12, the other end of the spring 14 is fixedly connected with the inside of the cavity, a pull block 15 is fixedly arranged on one end, far away from the corresponding wedge groove of the insertion rod 13, and the insertion rod 13 is convenient for pulling the insertion rod 13.
EXAMPLE III
Referring to fig. 1, the lower extreme of downside internal thread pipe 1 is provided with places board 8, conveniently places the device, and the lower fixed surface of placing board 8 is provided with a plurality of studs 9, improves and places the stability that board 8 placed.
In the utility model, when in use, the two-way screw rod 2 is rotated to enable the two-side internal thread pipes 1 to be close to each other, namely the two-side protective rods 4 are rotated and unfolded, so that the protective work can be carried out, and the device can be folded and stored by reverse operation, thereby being convenient for transportation; the maintenance device with two expandes sets up side by side, inserts the wedge 10 of one side device in the wedge groove of opposite side device, then loosens corresponding inserted bar 13 for inserted bar 13 accomplishes the high efficiency and firm concatenation fixed to two devices promptly in inserting the jack of wedge 10 lateral wall, can improve barrier propterty greatly.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a tunnel foundation pit enclosure device that protectiveness is high, includes internal thread pipe (1) and two-way lead screw (2), its characterized in that, two internal thread pipe (1) is from last to setting gradually down, two-way lead screw (2) set up in two between internal thread pipe (1), two internal thread pipe (1) all cup joints with the one end screw thread of the two-way lead screw (2) that corresponds, two the mounting groove has all been seted up to the both sides of internal thread pipe (1), the inside of mounting groove is rotated through first bull stick (3) and is provided with fender rod (4), and one side is two be provided with first connecting block (5) between fender rod (4), the opposite side is two be provided with the second connecting rod between fender rod (4), and is a plurality of the one end of fender rod (4) all rotates through second bull stick (7) and the one end of the first connecting block (5) and the second connecting block that correspond and is connected, be provided with coupling mechanism between first connecting block (5) and second connecting block (6).
2. The tunnel foundation pit support device with high protectiveness according to claim 1, wherein the connecting mechanism comprises a wedge block (10) and an inserting rod (13), the wedge block (10) is fixedly arranged on the outer side wall of the first connecting block (5), a wedge groove is formed in the outer side wall of the second connecting block (6), the wedge block (10) is matched with the wedge groove, a cavity is formed in one side of the wedge groove, a baffle (12) is slidably arranged in the cavity, the inserting rod (13) is fixedly sleeved in the middle of the baffle (12), two ends of the inserting rod (13) extend to the outer side of the cavity, one end of the inserting rod (13) extends to the inside of the wedge groove, an inserting hole is formed in the side wall of the wedge block (10), the inserting rod (13) is matched with the inserting hole, a spring (14) is fixedly arranged on one side, far away from the corresponding wedge groove, of the baffle (12), and the other end of the spring (14) is fixedly connected with the inside of the cavity.
3. The tunnel foundation pit support device with high protection performance as claimed in claim 1, wherein a placing plate (8) is arranged at the lower end of the lower internal threaded pipe (1).
4. The tunnel foundation pit support device with high protection performance as claimed in claim 3, wherein a plurality of anti-skid nails (9) are fixedly arranged on the lower surface of the placing plate (8).
5. The protective device for the tunnel foundation pit as claimed in claim 1, wherein a rotating wheel (11) is fixedly connected to the middle end of the bidirectional screw rod (2).
6. The tunnel foundation pit support device with high protection performance as claimed in claim 2, wherein one end of the inserted rod (13) far away from the corresponding wedge-shaped groove is fixedly provided with a pull block (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222667954.0U CN218521799U (en) | 2022-10-11 | 2022-10-11 | Tunnel foundation pit retaining device with high protection performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222667954.0U CN218521799U (en) | 2022-10-11 | 2022-10-11 | Tunnel foundation pit retaining device with high protection performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218521799U true CN218521799U (en) | 2023-02-24 |
Family
ID=85249297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222667954.0U Active CN218521799U (en) | 2022-10-11 | 2022-10-11 | Tunnel foundation pit retaining device with high protection performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218521799U (en) |
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2022
- 2022-10-11 CN CN202222667954.0U patent/CN218521799U/en active Active
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