Fabricated tunnel construction steel sheet pile supporting structure
By using prefabricated steel sheet pile support structures for tunnel construction, and utilizing the connection between I-beams and steel sheet piles and anchor bolt assemblies, the problem of walers and internal supports occupying construction space was solved, thus achieving convenience and safety in tunnel construction.
Patent Information
- Application Number
- CN202423247945.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-27
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-12-27
AI Technical Summary
The existing combination of walers and internal bracing for tunnel construction occupies a large amount of construction space in the trench, causing inconvenience to the construction.
The prefabricated tunnel construction steel sheet pile support structure is adopted. By connecting the steel sheet piles with the I-beams, the anchor bolts are inserted into the wall to increase the tension between the steel sheet piles and the wall. The splicing and disassembly of the I-beams are achieved through baffles and connecting threaded columns.
Effective use of the space within the trench prevents the collapse of sheet piles, provides a convenient construction environment, and reduces the space occupied during construction.
Smart Images
Figure CN223577132U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to steel sheet pile support technical field, concretely is a kind of assembly type tunnel construction steel sheet pile support structure. BACKGROUND
[0002] Steel sheet pile is a kind of section steel with lock, its section has straight plate shape, groove shape and Z shape, there are various sizes and interlocking forms.Commonly seen have Larson type, Larkvan type and so on.Its advantages are: high strength, easy to punch into hard soil layer;Can be constructed in deep water, when necessary, become a cage with inclined support. Good waterproof performance;Can be composed into various shapes of cofferdam according to needs, and can be reused multiple times, steel sheet pile is particularly important in tunnel construction process;
[0003] A kind of steel sheet pile support structure in prior art realizes the support of groove by the combination support form of surrounding purlin and inner support, but the combination support form of surrounding purlin and inner support can have the following problems, i.e.the combination support form of surrounding purlin and inner support can occupy a lot of construction space in groove, which will bring inconvenience to groove engineering construction. UTILITY MODEL CONTENTS
[0004] In view of the deficiencies of prior art, the utility model provides a kind of assembly type tunnel construction steel sheet pile support structure, solve the technical problem that the combination support form of existing surrounding purlin and inner support can occupy a lot of construction space in groove, which will bring inconvenience to groove engineering construction.
[0005] To achieve the above object, the utility model is realized by the following technical scheme: a kind of assembly type tunnel construction steel sheet pile support structure, including steel sheet pile body and I-steel, recess is set up on the steel sheet pile body, first threaded column is fixedly installed on the steel sheet pile and located at the two sides of recess, through-hole is set up on the I-steel, first threaded column penetrates through through-hole, fastening nut is screwed on the first threaded column, through hole is set up in the center of I-steel, anchor rod assembly is inserted in the through hole, and the anchor rod assembly is fixedly connected with I-steel.
[0006] Preferably, the anchor rod assembly includes a limiting plate, a plug rod is fixedly installed on the limiting plate, the plug rod is a hollow structure, a lead screw is rotatably installed on the limiting plate, one end of the lead screw is located in the plug rod and the other end is exposed to the plug rod, four sliding grooves are set up in the plug rod, two adjacent sliding grooves in the four sliding grooves are perpendicular to each other, a sliding block is slidably installed in the sliding groove, a jacking rod is fixedly installed between the sliding blocks, a threaded groove is set up in the jacking rod close to one end of the lead screw, the lead screw is engaged in the threaded groove, a plurality of mounting holes are set up on one side of the plug rod and located in the sliding groove, a moving rod is inserted in the mounting hole, one end of the moving rod is located in the plug rod and fixedly installed with a top block, a spring is fixedly installed between the top block and the inner wall of the plug rod, and the spring is sleeved on the moving rod.
[0007] Preferably, the top block side wall surface is provided with an inclined slope, and the top rod upper end section shape is in isosceles trapezoidal structure.
[0008] Preferably, the limiting plate is provided with a first reserved hole on the side of the lead screw, the I-shaped steel is provided with a second reserved hole, the first reserved hole and the second reserved hole are inserted with a first limiting bolt, and the first limiting bolt is rotationally connected with a first limiting nut.
[0009] Preferably, the other end of the lead screw is fixedly connected with a handle.
[0010] Preferably, the I-shaped steel is fixedly connected with a baffle on the two side walls, the baffle is provided with a connecting hole, and the connecting hole is inserted with a connecting threaded column, and the connecting threaded column is rotationally connected with a connecting nut at both ends.
[0011] Beneficial effects
[0012] The utility model provides a kind of assembly type tunnel construction steel sheet pile support structure, solve the combination support form of the existing surrounding purlin and inner support will occupy a lot of construction space in groove, this will bring the technical problem of inconvenience to the groove engineering construction, the utility model connects by I-shaped steel and steel sheet pile, realize the support of steel sheet pile, by anchor rod assembly is inserted in wall, so that steel sheet pile and wall have further tension between, prevent the collapse of steel sheet pile and save construction space in groove, bring the convenience to the groove engineering construction, by baffle, connecting threaded column, connecting nut make I-shaped steel be connected with each other, realize the splicing and disassembly of I-shaped steel. BRIEF DESCRIPTION OF DRAWINGS
[0013] Fig. 1 It is the structure schematic diagram of the utility model to be described a kind of assembly type tunnel construction steel sheet pile support structure.
[0014] Fig. 2 It is the anchor rod assembly structure schematic diagram of the utility model to be described a kind of assembly type tunnel construction steel sheet pile support structure.
[0015] In the drawing: 1, steel sheet pile body;2, recess;3, first threaded column;4, fastening nut;5, limiting plate;6, plug-in rod;7, lead screw;8, sliding slot;9, sliding block;10, top rod;11, top block;12, spring;13, first reserved hole;14, first limiting bolt;15, first limiting nut;16, handle;17, baffle;18, connecting threaded column;19, connecting nut;20, moving rod. DETAILED DESCRIPTION
[0016] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts under the premise that no creative efforts are made, belong to the scope of protection of the present application.
[0017] Please refer to Figs. 1-2 The utility model provides a technical scheme: a kind of fabricated tunnel construction steel sheet pile support structure, including steel sheet pile body 1 and I-steel, recess 2 is set up on the steel sheet pile body 1, first threaded column 3 is respectively fixedly installed on the steel sheet pile and located recess 2 both sides, through hole is set up on the I-steel, first threaded column 3 is penetrated in through hole, first threaded column 3 is screwed with fastening nut 4, through hole is set up in the center of I-steel, anchor rod assembly is inserted and mounted in through hole, anchor rod assembly is fixedly connected with I-steel.
[0018] The embodiment is further provided, the anchor rod assembly includes limit plate 5, the plug rod 6 is fixedly installed on the limit plate 5, the plug rod 6 is hollow structure, the lead screw 7 is rotatably installed on the limit plate 5, the lead screw 7 one end is located in plug rod 6 and the other end is exposed to plug rod 6, four slide grooves 8 are set up in the plug rod 6, adjacent two slide grooves 8 in four The slide groove 8 is perpendicular to each other, the sliding block 9 is slidably installed in the slide groove 8, the top rod 10 is fixedly installed between the sliding block 9, the threaded groove is set up in the top rod 10 end close to the lead screw 7, the lead screw 7 is engaged in threaded groove, a plurality of mounting holes are set up on the plug rod 6 and located one side of slide groove 8, the moving rod 20 is inserted and mounted in the mounting hole, the moving rod 20 one end is located in plug rod 6 and fixedly installed with top block 11, the spring 12 is fixedly installed between the top block 11 and the inner wall of plug rod 6, the spring 12 is sleeved on the moving rod 20.
[0019] The embodiment is further provided, the top block 11 side wall surface is set up with inclined inclined surface, and the top rod 10 upper end cross section shape is isosceles trapezoidal structure.
[0020] The embodiment is further provided, the first reserved hole 13 is set up on the limit plate 5 and located both sides of lead screw 7, the second reserved hole is set up on the I-steel, the first limit bolt 14 is inserted and mounted between the first reserved hole 13 and the second reserved hole, the first limit nut 15 is screwed on the first limit bolt 14.
[0021] The embodiment is further provided, the other end of the lead screw 7 is fixedly installed with handle 16.
[0022] The embodiment is further provided with baffles 17 fixedly installed on both sides of the I-shaped steel, the baffles 17 are provided with connecting holes, connecting threaded columns 18 are inserted into the connecting holes, and connecting nuts 19 are screwed on both ends of the connecting threaded columns 18.
[0023] The detailed connecting means is a technology known in the art, and the working principle and process are mainly introduced below.
[0024] In use, the I-shaped steel is inserted into the first threaded column 3 through the through hole, and the fastening nut 4 is screwed on the first threaded column 3, so that the I-shaped steel is connected with the steel sheet pile body 1. At this time, the connecting threaded column 18 is inserted through the connecting hole, and the connecting nut 19 is screwed on both ends of the connecting threaded column 18, so that the adjacent I-shaped steels are fixedly connected. At this time, the insertion rod 6 is inserted into the insertion hole and penetrates the groove 2 and is inserted into the wall until the limiting plate 5 contacts the I-shaped steel. The first limiting bolt 14 is inserted through the second reserved hole and the first reserved hole 13, and the first limiting nut 15 is screwed on the first limiting bolt 14. At this time, the handle 16 is rotated, and the handle 16 drives the screw rod 7 to rotate. Since the screw rod 7 and the top rod 10 are connected through the threaded groove, the screw rod 7 drives the top rod 10 when rotating. The top rod 10 moves along the sliding groove 8 path under the action of the sliding block 9, so that the top block 11 pushes the spring 12 under the action of the top rod 10, and the moving rod 20 is inserted into the foundation, so that the ground holding force of the insertion rod 6 is increased, and the I-shaped steel is convenient for supporting the steel sheet pile body 1.
[0025] It should be noted that, in this document, the terms such as first and second are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between such entities or operations.
Claims
1. A fabricated tunnel construction steel sheet pile support structure comprising a steel sheet pile body (1) and an I-beam, characterized in that, The steel sheet pile body (1) is provided with a groove (2), the first threaded column (3) is fixedly installed on the steel sheet pile and located on both sides of the groove (2), the I-shaped steel is provided with a through hole, the first threaded column (3) penetrates the through hole, the first threaded column (3) is screwed with a fastening nut (4), the I-shaped steel is provided with a through hole in the center, the anchor rod assembly is inserted into the through hole and fixedly connected with the I-shaped steel.
2. The fabricated tunnel construction steel sheet pile support structure according to claim 1, characterized in that The anchor rod assembly includes a limiting plate (5), the limiting plate (5) is fixedly installed with a plug rod (6), the plug rod (6) is a hollow structure, the limiting plate (5) is rotatably installed with a lead screw (7), one end of the lead screw (7) is located in the plug rod (6) and the other end is exposed outside the plug rod (6), four sliding grooves (8) are formed in the plug rod (6), the adjacent two sliding grooves (8) are perpendicular to each other, the sliding grooves (8) are slidably installed with sliding blocks (9), the sliding blocks (9) are fixedly installed with a jacking rod (10), the jacking rod is provided with a threaded groove near one end of the lead screw, the lead screw is engaged in the threaded groove, a plurality of mounting holes are formed in one side of the plug rod (6) and located in the sliding groove (8), a moving rod (20) is inserted into the mounting hole, one end of the moving rod (20) is located in the plug rod (6) and fixedly installed with a top block (11), the top block (11) and the inner wall of the plug rod (6) are fixedly installed with a spring (12), the spring (12) is sleeved on the moving rod (20).
3. The fabricated tunnel construction steel sheet pile support structure according to claim 2, characterized in that The side wall of the top block (11) is provided with an inclined slope, and the upper end of the jacking rod (10) is in the shape of an isosceles trapezoidal structure.
4. The fabricated tunnel construction steel sheet pile support structure according to claim 2, characterized in that The limiting plate (5) is provided with a first reserved hole (13) on both sides of the lead screw (7), the I-shaped steel is provided with a second reserved hole, the first reserved hole (13) and the second reserved hole are inserted with a first limiting bolt (14), and the first limiting bolt (14) is screwed with a first limiting nut (15).
5. The fabricated tunnel construction steel sheet pile support structure according to claim 2, characterized in that The other end of the lead screw (7) is fixedly installed with a handle (16).
6. The fabricated tunnel construction steel sheet pile support structure according to claim 1, characterized in that The I-shaped steel is fixedly installed with a baffle (17) on both side walls, the baffle (17) is provided with a connecting hole, the connecting hole is inserted with a connecting threaded column (18), and the connecting threaded column (18) is screwed with a connecting nut (19) at both ends.