Foundation pit construction support for railway

Abstract

The utility model relates to the technical field of railway engineering, in particular to a railway foundation pit construction support which comprises a foundation pit supporting table, the front end and the rear end of the foundation pit supporting table are jointly provided with a connecting part, inner cavities are formed in the left side and the right side of the interior of the foundation pit supporting table respectively, and extension tables are movably installed in the two inner cavities respectively. And handles are arranged at the ends, away from the inner cavity, of the two extension tables correspondingly, fixing mechanisms are arranged in front of the interiors of the two extension tables correspondingly, and supporting legs are arranged at the four corners of the lower end of the foundation pit supporting table correspondingly. According to the foundation pit construction support for the railway, the pull blocks are pulled to control the limiting columns to be rapidly connected with the adjacent supporting tables, flexible splicing according to the width of a foundation pit is facilitated, the extension tables are accurately adjusted through the pull handles and the pushing plates, the construction time and the labor cost are saved, the screw is driven by the motor to enable the ground inserting cones to be inserted into the ground, and the construction efficiency is improved. Operation is convenient and labor-saving, stability is enhanced, and construction safety and quality are guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to railway engineering technical field especially relates to a railway is with foundation pit construction support. BACKGROUND

[0002] In railway engineering construction, foundation pit construction is a very key link, and the performance of foundation pit construction support directly affects the progress and quality of the project. The traditional railway foundation pit construction support exposes many problems in the actual application process, and the connection mode of the previous connection is often more complicated, for example, some supports adopt bolt fastening connection, and the construction personnel need to spend a lot of time for alignment, bolt insertion and tightening operation, which not only slows down the connection speed, but also requires higher operation proficiency of the construction personnel. When facing foundation pits of different widths, the traditional support has poor splicing flexibility, and it is difficult to quickly adjust to adapt to diversified foundation pit sizes, which greatly limits the construction efficiency, causes the construction time to be prolonged, and greatly increases the labor cost. The fixing cone under the existing foundation pit construction support mostly needs manual insertion and fixing. After the foundation pit construction support is placed in the foundation pit, manual operation is difficult and laborious. Therefore, we launch a new railway foundation pit construction support. SUMMARY

[0003] The main purpose of the utility model is to provide a railway foundation pit construction support, which can effectively solve the problems in the background art.

[0004] To achieve the above purpose, the technical scheme adopted by the utility model is:

[0005] A railway foundation pit construction support, comprising a foundation pit support platform, the front end and the rear end of the foundation pit support platform are provided with a connecting part, the inner left side and the inner right side of the foundation pit support platform are provided with an inner cavity, the inner part of two inner cavities are movably installed with extension tables, the end of two extension tables away from the inner cavity is provided with a handle, the inner part of two extension tables is provided with a fixing mechanism, the lower end of the foundation pit support platform is provided with support legs at four corners, the outer surfaces of two support legs on the left and two support legs on the right are jointly provided with mounting seats, the left end and the right end of two mounting seats are provided with guide grooves, the upper end of two mounting seats is fixedly installed with motors, the output ends of two motors are fixedly installed with screw rods, the inner part of two mounting seats is fixedly installed with guide rods through cavity grooves, the outer surfaces of two corresponding screw rods and guide rods are movably installed with movable blocks, the left end and the right end of two movable blocks are provided with two guide blocks, the end of two guide blocks away from the movable block is fixedly installed with mounting plates, and two insertion cones are arranged at the lower end of four mounting plates.

[0006] Preferably, the connecting component includes a corresponding seat and a corresponding block. The front end of the corresponding seat is provided with a corresponding groove. An extension shell is fixedly installed in the middle of the upper end of the corresponding seat. A pull rod is movably installed in the middle of the upper end of the extension shell. A first spring is movably sleeved on the outer surface of the pull rod. A pull block is provided at the upper end of the pull rod. A guide plate is fixedly installed together at the lower end of the pull rod and the lower part of the outer surface of the first spring. A limit post is provided in the middle of the lower end of the guide plate. The lower part of the limit post extends into the interior of the corresponding groove. A limit hole is provided at the upper end of the corresponding block.

[0007] Preferably, the corresponding seat and the corresponding block are fixedly installed at the front end and rear end of the foundation pit support platform, respectively.

[0008] Preferably, two adjacent foundation pit support platforms are movably connected inside the corresponding seats by corresponding blocks.

[0009] Preferably, the limiting post and the limiting hole are vertically aligned, and the limiting post is movably engaged inside the limiting hole by a first spring and a guide plate.

[0010] Preferably, the fixing mechanism includes a second spring, an inner groove is provided at the front of the interior of the extension platform, a driving block is fixedly installed at the front of the outer surface of the second spring, a fixing post is provided at the middle of the front end of the driving block, a push plate is fixedly installed at the middle of the upper end of the driving block through the extension block, a sliding groove is provided at the upper end of the extension platform, and a fixing hole is provided at the rear end of the extension platform.

[0011] Preferably, the second spring is fixedly installed on the rear wall of the inner groove, the driving block is movably installed inside the slide groove through the extension block, and the two opposing extension platforms are movably engaged together through the fixing post and fixing hole.

[0012] Compared with the prior art, the present invention has the following beneficial effects:

[0013] 1. When connecting adjacent foundation pit support platforms, the operation is simple and efficient. By pulling the pull block to control the limit column, the connection and fixation of the corresponding block and the corresponding seat can be completed quickly, which greatly improves the connection speed. The support platforms can be flexibly spliced ​​according to the width of the foundation pit. At the same time, the extension platform can also be precisely adjusted and fixed according to the actual size requirements of the construction through the operation of the handle and the push plate, which significantly improves the flexibility and adaptability of the support construction during the construction process and effectively saves construction time and labor costs.

[0014] 2, through the installation base is placed in the foundation pit, start the motor, screw rod rotation drive movable block along the guide rod linear motion, the installation plate lower end of the ground insertion cone can be automatically inserted into the ground, the operation is more convenient and labor saving, and enhances the stability of the whole foundation pit construction support, so that it can be firmly fixed in the foundation pit construction position, effectively resist all kinds of external force influence in the construction process, provide solid and reliable support foundation for foundation pit construction, effectively guarantee the construction safety and engineering quality. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the whole structure schematic diagram of the utility model of a railway foundation pit construction support;

[0016] Figure 2 It is the whole structure schematic diagram of the utility model of a railway foundation pit construction support when unfolding;

[0017] Figure 3 It is the whole structure schematic diagram of the utility model of a railway foundation pit construction support inside installation base;

[0018] Figure 4 It is the whole structure schematic diagram of the utility model of a railway foundation pit construction support connecting component;

[0019] Figure 5 It is the whole structure schematic diagram of the utility model of a railway foundation pit construction support fixed mechanism.

[0020] In the drawing: 1, foundation pit support platform;2, connecting component;20, corresponding seat;21, corresponding block;22, corresponding slot;23, extension shell;24, pull rod;25, pull block;26, first spring;27, guide plate;28, limit column;29, limit hole;3, inner cavity;4, extension platform;5, handle;6, fixed mechanism;61, second spring;62, inner slot;63, driving block;64, fixed column;65, push plate;66, sliding slot;67, fixed hole;7, support leg;8, installation base;9, guide slot;10, motor;11, screw rod;12, guide rod;13, movable block;14, guide block;15, installation plate;16, ground insertion cone. DETAILED DESCRIPTION

[0021] In order to make the technical means, creative features, achieve the purpose and effect of the utility model easy to understand, the following specific embodiments are further described.

[0022] In the description of the utility model, it needs to explain, the term "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and so on indicate the position relation or position relation based on the position relation shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and not indicate or imply that the indicated device or element must have a particular orientation, a particular orientation and operation, therefore, it cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0023] In the description of the utility model, it needs to explain, unless otherwise specified and limited, the terms "installation", "provided with", "connection" and so on should be understood broadly, for example, "connection", can be fixed connection, can also be detachable connection, or integrally connected, can be mechanical connection, can also be electrical connection, can be directly connected, can also be indirectly connected through intermediate medium, can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0024] Please refer to Figures 1-5 The utility model provides a technical scheme:

[0025] A railway foundation construction support, including foundation pit support platform 1, the front end and rear end of foundation pit support platform 1 are provided with connecting parts 2 in common, the inside left side and inside right side of foundation pit support platform 1 are provided with inner cavity 3, the inside of two inner cavities 3 is movably installed with extension platform 4, the end away from inner cavity 3 of two extension platforms 4 is provided with handle 5, the inside front of two extension platforms 4 is provided with fixed mechanism 6, the lower end of foundation pit support platform 1 four corners is provided with support leg 7, the outer surface of two support legs 7 located in left part and right part is provided with mounting seat 8 in common, the left end and right end of two mounting seats 8 are provided with guide slot 9, the upper end of two mounting seats 8 is fixedly installed with motor 10 in the front part, the output end of two motors 10 is fixedly installed with screw rod 11, the inside of two mounting seats 8 is fixedly installed with guide rod 12 through cavity slot, the outer surface of corresponding two screw rods 11 and guide rods 12 is movably installed with movable block 13 in common, the left end and right end of two movable blocks 13 are provided with two guide blocks 14, wherein the end away from movable block 13 of two guide blocks 14 opposite in front and back is fixedly installed with mounting plate 15, the lower end of four mounting plates 15 is provided with two ground insertion cones 16.

[0026] In the embodiment, the connecting component 2 comprises a corresponding seat 20 and a corresponding block 21, the front end of the corresponding seat 20 is provided with a corresponding slot 22, the middle of the upper end of the corresponding seat 20 is fixedly installed with an extension shell 23, the middle of the upper end of the extension shell 23 is movably installed with a pull rod 24, the outer surface of the pull rod 24 is movably sleeved with a first spring 26, the upper end of the pull rod 24 is provided with a pull block 25, the lower end of the pull rod 24 and the lower part of the outer surface of the first spring 26 are jointly fixedly installed with a guide plate 27, the middle of the lower end of the guide plate 27 is provided with a limiting column 28, the lower part of the limiting column 28 extends to the inside of the corresponding slot 22, and the upper end of the corresponding block 21 is provided with a limiting hole 29; the corresponding seat 20 and the corresponding block 21 are fixedly installed at the front end and the rear end of the foundation pit support table 1 respectively; the two adjacent foundation pit support tables 1 are movably clamped in the inside of the corresponding seat 20 through the corresponding block 21; the limiting column 28 and the limiting hole 29 are in position correspondence, and the limiting column 28 is movably clamped in the inside of the limiting hole 29 through the first spring 26 and the guide plate 27.

[0027] Through the above scheme: the corresponding seat 20 is fixed at the front end of one foundation pit support table 1, the corresponding block 21 is fixed at the rear end of another foundation pit support table 1, at this time, the pull block 25 is pulled, the pull block 25 drives the pull rod 24 to move upwards, the first spring 26 is compressed, the guide plate 27 moves upwards with the pull rod 24, and the limiting column 28 also moves upwards and leaves the corresponding slot 22, the corresponding block 21 is inserted into the corresponding slot 22 of the corresponding seat 20, when the corresponding block 21 completely enters the corresponding slot 22 and the limiting hole 29 is in position correspondence with the limiting column 28, the pull block 25 is loosened, the first spring 26 which is compressed restores elastic deformation, pushes the guide plate 27 to move downwards, the guide plate 27 drives the limiting column 28 to move downwards, and the limiting column 28 is inserted into the limiting hole 29, so that the connection and fixation of the two adjacent foundation pit support tables 1 are realized, and the quick connection and fixation between the two foundation pit support tables 1 are realized.

[0028] In the embodiment, the fixing mechanism 6 comprises a second spring 61, the inside front of the extension table 4 is provided with an inner slot 62, the front part of the outer surface of the second spring 61 is fixedly installed with a driving block 63, the middle of the front end of the driving block 63 is provided with a fixing column 64, the middle of the upper end of the driving block 63 is fixedly installed with a pushing plate 65 through an extension block, the upper end of the extension table 4 is provided with a sliding slot 66, and the rear end of the extension table 4 is provided with a fixing hole 67; the second spring 61 is fixedly installed on the rear wall of the inner slot 62, the driving block 63 is movably installed in the inside of the sliding slot 66 through the extension block, and the two extension tables 4 are movably clamped together through the fixing column 64 and the fixing hole 67.

[0029] By the above scheme: push the push plate 65, the push plate 65 drives the driving block 63 to move backward in the inner groove 62 through the extension block, the second spring 61 is compressed, the fixed column 64 moves backward with the driving block 63, the two opposite extension platforms 4 are close, when the fixed column 64 corresponds to the fixed hole 67 in position, the push plate 65 is loosened, the compressed second spring 61 restores elastic deformation, the driving block 63 is pushed to move forward, the driving block 63 drives the fixed column 64 to move forward, so that the fixed column 64 is inserted into the fixed hole 67, thereby realizing the movable clamping fixing between the two opposite extension platforms 4.

[0030] It should be noted that the utility model is a kind of railway foundation pit construction support, in the use process, corresponding seat 20 is fixedly installed at the front end of one foundation pit support platform 1 respectively, corresponding block 21 is fixedly installed at the rear end of another foundation pit support platform 1, pull block 25 is pulled, pull rod 24 is driven by pull block 25 and moves upward, so that first spring 26 is compressed.At the same time, guide plate 27 moves upward with pull rod 24, limiting column 28 moves upward and leaves corresponding groove 22, corresponding block 21 is inserted into corresponding groove 22 of corresponding seat 20, when corresponding block 21 completely enters corresponding groove 22 and limiting hole 29 corresponds to limiting column 28 in position, pull block 25 is loosened, the compressed first spring 26 restores elastic deformation, pushes guide plate 27 to move downward, guide plate 27 drives limiting column 28 to move downward and inserts into limiting hole 29, the connection of adjacent two foundation pit support platforms 1 is completed, so that it is convenient to carry out according to foundation pit support platform 1 according to the width of foundation pit, and the connection speed is faster, then according to the actual size requirement of foundation pit construction, extension platform 4 is pulled by handle 5, so that it slides out of the inner cavity 3 of foundation pit support platform 1, when two opposite extension platforms 4 are adjusted to appropriate position, push plate 65 is pushed, push plate 65 drives driving block 63 to move backward in inner groove 62 through extension block, second spring 61 is compressed at this time, fixed column 64 moves backward with driving block 63, when fixed column 64 corresponds to fixed hole 67 in position, push plate 65 is loosened, the compressed second spring 61 restores elastic deformation, pushes driving block 63 to move forward, driving block 63 drives fixed column 64 to move forward, so that fixed column 64 is inserted into fixed hole 67, realizes movable clamping fixing between two opposite extension platforms 4, the overall mounting seat 8 is placed in foundation pit, the motor 10 on mounting seat 8 is started, the output end of motor 10 drives screw rod 11 to rotate, since movable block 13 is simultaneously installed on the outer surface of screw rod 11 and guide rod 12, the rotation of screw rod 11 will make movable block 13 move linearly along guide rod 12, movable block 13 moves and drives mounting plate 15 to move, the insertion ground cone 16 at the lower end of mounting plate 15 moves downward and is inserted into ground, the stability of the whole foundation pit construction support is enhanced, so that it is firmly fixed in foundation pit construction position.

[0031] The basic principle and main features of the present application and the advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A foundation pit construction support for railways, comprising a foundation pit support platform (1), characterized in that: The front end and the rear end of the foundation pit support platform (1) are provided with a connecting component (2), the inner left side and the inner right side of the foundation pit support platform (1) are provided with an inner cavity (3), the inner part of the two inner cavities (3) is movably installed with an extension platform (4), the end of the two extension platforms (4) away from the inner cavity (3) is provided with a handle (5), the inner front part of the two extension platforms (4) is provided with a fixing mechanism (6), the lower end of the four corners of the foundation pit support platform (1) is provided with a support leg (7), the outer surfaces of the two support legs (7) on the left and the two support legs (7) on the right are jointly provided with a mounting seat (8), the left end and the right end of the two mounting seats (8) are provided with a guide groove (9), the upper end of the two mounting seats (8) is fixedly installed with a motor (10), the output end of the two motors (10) is fixedly installed with a screw rod (11), the inner part of the two mounting seats (8) is fixedly installed with a guide rod (12) through a cavity groove, the outer surfaces of the two screw rods (11) and the guide rods (12) are jointly movably installed with a movable block (13), the left end and the right end of the two movable blocks (13) are provided with two guide blocks (14), the end of the two guide blocks (14) away from the movable block (13) is fixedly installed with a mounting plate (15), the lower end of the four mounting plates (15) is provided with two ground insertion cones (16). The connecting component (2) comprises a corresponding seat (20) and a corresponding block (21), the front end of the corresponding seat (20) is provided with a corresponding groove (22), the upper middle part of the corresponding seat (20) is fixedly installed with an extension shell (23), the upper middle part of the extension shell (23) is movably installed with a pull rod (24), the outer surface of the pull rod (24) is movably sleeved with a first spring (26), the upper end of the pull rod (24) is provided with a pull block (25), the lower end of the pull rod (24) and the outer surface of the lower part of the first spring (26) are jointly fixedly installed with a guide plate (27), the lower middle part of the guide plate (27) is provided with a limiting column (28), the lower part of the limiting column (28) extends into the inner part of the corresponding groove (22), and the upper end of the corresponding block (21) is provided with a limiting hole (29).

2. The foundation pit construction support for railway as claimed in claim 1, wherein: The corresponding seat (20) and the corresponding block (21) are fixedly installed at the front end and the rear end of the foundation pit support platform (1) respectively.

3. The foundation pit construction support for railway as claimed in claim 1, wherein: The two adjacent foundation pit support platforms (1) are movably clamped in the inner part of the corresponding seat (20) through the corresponding block (21).

4. The foundation pit construction support for railway as claimed in claim 1, wherein: The positions of the limiting column (28) and the limiting hole (29) correspond to each other up and down, and the limiting column (28) is movably clamped in the inner part of the limiting hole (29) through the first spring (26) and the guide plate (27).

5. The foundation pit construction support for railway as claimed in claim 1, wherein: The fixed mechanism (6) includes a second spring (61), the inside front of the extension table (4) is provided with an inner groove (62), the outer surface front of the second spring (61) is fixedly installed with a driving block (63), the front end middle of the driving block (63) is provided with a fixed column (64), the upper end middle of the driving block (63) is fixedly installed with a push plate (65) through an extension block, the upper end of the extension table (4) is provided with a sliding groove (66), and the rear end of the extension table (4) is provided with a fixed hole (67).

6. The foundation pit construction support for railway as claimed in claim 5, wherein: The second spring (61) is fixedly installed on the rear wall of the inner groove (62), the driving block (63) is movably installed in the inside of the sliding groove (66) through an extension block, and the opposite two extension tables (4) are movably clamped together through the fixed column (64) and the fixed hole (67).

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