Trestle steel pipe pile vertical guide device

Abstract

The utility model relates to a trestle steel pipe pile vertical guiding device which comprises bearing I-shaped steel installed at the outer end of a bailey beam, a bottom layer limiting frame is installed on the bearing I-shaped steel, an upper layer limiting frame is arranged above the bottom layer limiting frame, and the bottom layer limiting frame and the upper layer limiting frame are connected through a plurality of supporting steel pipes. Guiding platforms are transversely and correspondingly arranged on the bottom-layer limiting frame and the upper-layer limiting frame, at least one pile hole is correspondingly formed in the upper-layer guiding platform and the lower-layer guiding platform, the steel pipe piles are vertically inserted into the up-down corresponding pile holes, and a plurality of guiding adjusting devices are regularly arranged around the pile holes in the guiding platforms. The guide adjusting device at least comprises a roller abutting against the side wall of the steel pipe pile, and the steel pipe pile can vertically sink under the action of the roller. During construction, the steel pipe pile penetrates through the pile holes in the upper layer and the lower layer and the multiple guide adjusting devices, and the perpendicularity of the steel pipe pile can be accurately controlled through the two-point one-line principle so that the steel pipe pile can meet the requirement for the needed perpendicularity.

Description

Technical Field

[0001] The utility model relates to the technical field of trestle construction, in particular to a vertical guiding device for steel pipe piles of a trestle. Background Technique

[0002] With the continuous improvement of the national construction level, there are more and more bridges across rivers, lakes and seas, which also improves the transportation capacity of traffic. Especially the rapid development of railway sea-crossing bridges enables railways to enter deep-water ports, realizing seamless connection between sea transportation and railway transportation. When building a sea-crossing bridge, the necessary "three connections and one leveling" is particularly important. Building a trestle as a material transportation channel for construction and a carrier for laying circuits and fresh water pipes, and at the same time, it is also the only channel for equipment to reach the operation platform. The construction quality of the trestle is of utmost importance. However, there are the following three problems when driving the steel pipe piles of the trestle:

[0003] 1. It is difficult to meet the requirements for the verticality of the steel pipe piles;

[0004] 2. The guiding device is applicable to steel pipe piles of fixed sizes, with low reuse rate;

[0005] 3. The installation brackets cooperating with the guiding device are inconvenient to disassemble and assemble, resulting in low engineering efficiency. Summary of the Invention

[0006] In order to solve the above problems, the purpose of the utility model is to provide a vertical guiding device for steel pipe piles of a trestle. The guiding device is a combined upper and lower two layers, which accurately controls the verticality of the steel pipe piles through the principle of two points determining a straight line. Moreover, the rollers in the guiding device can expand and contract relative to the steel pipe piles, and can be adapted to steel pipe piles of multiple pipe diameters. At the same time, the limit frame is very convenient to disassemble and assemble, which can improve the pile driving efficiency and the efficiency of trestle construction.

[0007] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0008] A vertical guiding device for steel pipe piles of a trestle, characterized in that: it includes a bearing I-beam installed at the outer end of a Bailey beam, a bottom limit frame is installed on the bearing I-beam, an upper limit frame is arranged above the bottom limit frame, the lower end of the bottom limit frame is lower than the lower end of the Bailey beam, the lower end of the upper limit frame is higher than the upper end of the Bailey beam, the bottom limit frame and the upper limit frame are connected by a plurality of support steel pipes, guiding platforms are transversely arranged corresponding to each other on the bottom limit frame and the upper limit frame, at least one pile hole is correspondingly opened on the upper and lower guiding platforms, the steel pipe pile is vertically inserted into the correspondingly upper and lower pile holes, a plurality of guiding and adjusting devices are regularly arranged around the pile holes on the guiding platforms, and the guiding and adjusting devices at least include rollers abutted against the side wall of the steel pipe pile, and the steel pipe pile can vertically sink under the action of the rollers.

[0009] Preferably, three pile holes are correspondingly formed in the upper and lower two-layer guiding platforms. The pile holes are square, and there are four guiding and adjusting devices symmetrically arranged around the steel pipe pile.

[0010] Preferably, the roller can move back and forth along the abutting direction under the action of an external force to adapt to the pipe diameters of different steel pipe piles.

[0011] Preferably, the guiding and adjusting device includes a sleeve fixed on the guiding platform and an end plate arranged at the rear side of the sleeve and fixed on the guiding platform; a moving block is penetrated through the sleeve, and connecting plates are extended on both sides of the front end of the moving block, and the roller is rotatably arranged between the two connecting plates; an assembly hole is formed in one side of the moving block facing the end plate, a bearing is clamped in the assembly hole, a lead screw is threadedly connected to the end plate, a rocker is connected to the outer end of the lead screw, and the inner end of the lead screw extends into the assembly hole and is in interference connection with the bearing.

[0012] Preferably, scale lines are arranged on at least one side wall of the moving block.

[0013] Preferably, the load-bearing I-beam is L-shaped and includes a vertical steel plate and a horizontal steel plate, and the vertical steel plate is fixed to the Bailey beam through a first connecting pin.

[0014] Preferably, the bottom layer limiting frame includes a bottom layer frame erected on the horizontal steel plate and a guiding platform installed inside the bottom layer frame. A plurality of first tenons extend upward from both sides of the upper end of the horizontal steel plate. A plurality of reserved holes are formed on the bottom layer frame and are matched and inserted with the plurality of first tenons. The first tenons and the bottom layer frame are fixed through a second connecting pin.

[0015] Preferably, the upper layer limiting frame includes an upper layer frame and a guiding platform installed inside the upper layer frame. A plurality of second tenons corresponding to the plurality of first tenons extend downward from the lower end of the upper layer frame. The support steel pipe is supported between the bottom layer frame and the upper layer frame, and the upper and lower ends of the support steel pipe are respectively inserted into the second tenons and the first tenons. The support steel pipe and the first tenons are fixed through a third connecting pin, and the support steel pipe and the second tenons are fixed through a fourth connecting pin.

[0016] Preferably, a plurality of third tenons extend outward from one side wall of the upper layer frame facing the vertical steel plate. A plurality of fourth tenons corresponding to the plurality of third tenons are arranged on the inner wall of the vertical steel plate. A connecting steel pipe is supported between the upper layer frame and the vertical steel plate. Both sides of the connecting steel pipe are respectively inserted into the third tenons and the fourth tenons. The connecting steel pipe and the third tenons are fixed through a fifth connecting pin, and the connecting steel pipe and the fourth tenons are fixed through a sixth connecting pin.

[0017] Preferably, a first guardrail is circumferentially provided on the side wall of the bottom frame, and a second guardrail is circumferentially provided at the upper end of the upper frame.

[0018] The utility model adopts the above technical solutions and has the following beneficial effects:

[0019] 1. Guide adjustment devices are provided on both the upper limit frame and the bottom limit frame, and the verticality of the steel pipe pile is precisely controlled by the principle of two points determining a straight line.

[0020] 2. A plurality of pile holes are provided on the guide platform, which can meet the construction requirements of the steel pipe piles required for this section of the trestle at one time.

[0021] 3. The moving block behind the roller is provided with a scale accurate to millimeters, and the expansion and contraction of the roller is adjusted by a hand-cranked rocker. The adjustment is convenient, it can adapt to steel pipe piles of different sizes, has a wide application range, and a low mechanical failure rate.

[0022] 4. The bearing I-beam, the bottom limit frame and the upper limit frame are fixed by connecting pins, which are convenient for disassembly and assembly, and are limited by tenons to improve the assembly stability.

[0023] 5. The guiding device is a combined upper and lower two-layer structure. The upper layer is located on the top surface of the Bailey beam, and the lower layer is located below the bottom surface of the Bailey beam. It can meet the requirements of the steel pipe pile to be sunk to the design pile top in one-time pile driving or multiple pile splicing, accurately control the elevation of the steel pipe pile top, and there is no need to perform secondary cutting or splicing of the pile head. Description of the Drawings

[0024] Figure 1 It is a schematic diagram of the construction of the steel pipe pile of the trestle through the guiding device.

[0025] Figure 2 It is Figure 1 The enlarged schematic diagram at B in

[0026] Figure 3 It is a layout schematic diagram of the guide platform.

[0027] Figure 4 It is a layout schematic diagram of the guide adjustment device.

[0028] Figure 5 It is Figure 4 The enlarged schematic diagram at A in Detailed Embodiments

[0029] The embodiments of the present utility model will be described in detail below. The examples of the embodiments are shown in the drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and are intended to explain the present utility model and should not be construed as a limitation of the present utility model.

[0030] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present utility model.

[0031] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present utility model, unless otherwise specified, the meaning of "a plurality" is two or more, unless otherwise clearly defined.

[0032] In the present utility model, unless otherwise clearly specified and defined, the terms such as "mounted", "connected", "connected to", "fixed" should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0033] In the present utility model, unless otherwise clearly specified and defined, the first feature being "above" or "below" the second feature may include the direct contact between the first and second features, or may include the situation where the first and second features are not in direct contact but in contact through other features therebetween. Moreover, the first feature being "above", "over" and "on" the second feature includes that the first feature is directly above and obliquely above the second feature, or merely indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature being "below", "under" and "beneath" the second feature includes that the first feature is directly below and obliquely below the second feature, or merely indicates that the horizontal height of the first feature is lower than that of the second feature.

[0034] Such as Figures 1 to 5A vertical guiding device for a trestle steel pipe pile as shown includes a bearing I-beam installed at the outer end of a Bailey beam 1. A bottom limiting frame is installed on the bearing I-beam, and an upper limiting frame is arranged above the bottom limiting frame. The lower end of the bottom limiting frame is lower than the lower end of the Bailey beam 1, and the lower end of the upper limiting frame is higher than the upper end of the Bailey beam 1. The bottom limiting frame and the upper limiting frame are connected by several support steel pipes 2. Horizontally corresponding guiding platforms 3 are provided on the bottom limiting frame and the upper limiting frame. At least one pile hole 4 is correspondingly opened on the upper and lower guiding platforms 3. The steel pipe pile 100 is vertically inserted into the correspondingly arranged pile holes 4 above and below. A plurality of guiding and adjusting devices are regularly arranged around the pile hole 4 on the guiding platform 3. The guiding and adjusting device at least includes a roller 5 abutted against the side wall of the steel pipe pile 100. Under the action of the roller 5, the steel pipe pile 100 can vertically sink.

[0035] In the above technical solution, a bearing I-beam is installed on the Bailey beam, upper and lower limiting frames are arranged on the bearing I-beam, a guiding platform is arranged on the limiting frame, pile holes are opened on the guiding platform, and a plurality of guiding and adjusting devices are arranged around the pile holes. During construction, the steel pipe pile passes through the pile holes and a plurality of guiding and adjusting devices in the upper and lower layers. The verticality of the steel pipe pile can be accurately controlled by the principle of two points determining a straight line, so that the steel pipe pile meets the required verticality requirements, and the stability of the trestle construction is improved.

[0036] Further, three pile holes 4 are correspondingly opened on the upper and lower guiding platforms 3. The pile holes 4 are square. There are four guiding and adjusting devices and they are symmetrically arranged around the steel pipe pile 100. In this technical solution, during construction, the vibration hammer 200 can be used to drive the second and third steel pipe piles in the same row to the corresponding heights in sequence, which can meet the construction requirements of the steel pipe piles required for this section of the trestle at one time and improve the engineering efficiency. The guiding and adjusting devices are symmetrically arranged, which can ensure the verticality of the steel pipe pile in all directions.

[0037] Further, the roller 5 can move back and forth along the abutting direction under the action of an external force to adapt to the pipe diameters of different steel pipe piles 100. In this technical solution, the retractable roller can adapt to the pipe diameters of different steel pipe piles 100, and has a wide application range.

[0038] Further, the guiding and adjusting device includes a sleeve 6 fixed on the guiding platform 3 and an end plate 7 arranged at the rear side of the sleeve 6 and fixed on the guiding platform 3. A moving block 8 is penetrated through the sleeve 6. The front ends of both sides of the moving block 8 extend with connecting plates 9, and the roller 5 is rotatably arranged between the two connecting plates 9 on both sides. An assembly hole is opened on one side of the moving block 8 facing the end plate 7, and a bearing is clamped in the assembly hole. A lead screw 300 is threadedly connected to the end plate 7. The outer end of the lead screw 300 is connected with a rocker 10, and the inner end of the lead screw 300 extends into the assembly hole and is in interference connection with the bearing.

[0039] In this technical solution, the telescoping of the rollers is adjusted by a hand-cranked rocker driving a lead screw. The inner end of the lead screw is fixed to the moving block through a bearing. By rotating the rocker one by one, the rotation of the lead screw drives the moving block and the rollers to move relative to the sleeve and the end plate, and the front and rear positions of each roller are adjusted one by one, which is quick and convenient to adjust.

[0040] Further, at least one side wall of the moving block 8 is provided with scale lines 11. In this technical solution, there is a scale accurate to millimeters on the moving block behind the roller. The edge position of the sleeve cooperates with the scale lines to read the corresponding dimension data, with high adjustment dimension accuracy and can accurately adapt to steel pipe piles of different pipe diameters.

[0041] Further, the load-bearing I-beam is L-shaped and includes a vertical steel plate 12 and a horizontal steel plate 13. The vertical steel plate 12 is fixed to the Bailey beam 1 through a first connecting pin 14. In this technical solution, the L-shaped load-bearing I-beam is fixed to the Bailey beam through a connecting pin, which is convenient for disassembly and assembly.

[0042] Further, the bottom limiting frame includes a bottom frame 15 erected on the horizontal steel plate 13 and a guiding platform 3 installed inside the bottom frame 15. A plurality of first tenons 16 extend upward on both sides of the upper end of the horizontal steel plate 13. A plurality of reserved holes are provided on the bottom frame 15 to cooperate with and insert the plurality of first tenons 16. The first tenons 16 and the bottom frame 15 are fixed through a second connecting pin 17. In this technical solution, the bottom limiting frame is fixed to the L-shaped load-bearing I-beam through a connecting pin, which is convenient for disassembly and assembly. At the same time, the assembly stability is improved by the cooperation and limitation of the reserved holes and the first tenons.

[0043] Further, the upper limiting frame includes an upper frame 18 and a guiding platform 3 installed inside the upper frame 18. A plurality of second tenons 19 corresponding to the plurality of first tenons 16 extend downward at the lower end of the upper frame 18. The support steel pipe 2 is supported between the bottom frame 15 and the upper frame 18, and the upper and lower ends of the support steel pipe 2 are respectively inserted into the second tenons 19 and the first tenons 16. The support steel pipe 2 and the first tenons 16 are fixed through a third connecting pin 20, and the support steel pipe 2 and the second tenons 19 are fixed through a fourth connecting pin 21. In this technical solution, the support steel pipe and the upper and lower tenons are fixed through connecting pins, which is convenient for disassembly and assembly. At the same time, the assembly stability is improved by using the upper and lower tenons for limitation.

[0044] Further, on one side wall of the upper layer frame 18 facing the vertical steel plate 12, a number of third tenons 22 extend outward. On the inner wall of the vertical steel plate 12, a number of fourth tenons 23 are provided corresponding to the number of third tenons 22. A connecting steel pipe 24 is provided between the upper layer frame 18 and the vertical steel plate 12 in a supporting manner. The two sides of the connecting steel pipe 24 are respectively inserted into the third tenons 22 and the fourth tenons 23. The connecting steel pipe 24 is fixed to the third tenon 22 through a fifth connecting pin 25, and the connecting steel pipe 24 is fixed to the fourth tenon 23 through a sixth connecting pin 26. In this technical solution, the L-shaped load-bearing I-beam and the upper layer limiting frame are connected by a connecting steel pipe, improving the stability of the upper layer limiting frame. At the same time, the connecting steel pipe and the left and right tenons are fixed by connecting pins, which is convenient for disassembly and assembly. At the same time, the left and right tenons are used for limiting to improve the assembly stability.

[0045] Further, a first guardrail 27 is provided circumferentially on the side wall of the bottom layer frame 15, and a second guardrail 28 is provided circumferentially at the upper end of the upper layer frame 18. In this technical solution, the first guardrail and the second guardrail can improve the structural stability of the limiting frame and play a role in protecting the guiding device at the same time.

[0046] In this specific embodiment, aiming at the problems of low accuracy in controlling the verticality of the existing trestle steel pipe piles during construction, the guiding device being unable to adapt to steel pipe piles with multiple pipe diameters, and the inconvenient disassembly and assembly of the limiting frame affecting the project efficiency, the above solution installs a load-bearing I-beam on the trestle Bailey beam, sets an upper layer limiting frame and a bottom layer limiting frame on the load-bearing I-beam, and sets a guiding platform on it. A guiding and adjusting device is set on the platform. The verticality of the steel pipe pile is accurately controlled through the principle of two points determining a straight line. At the same time, a telescopic roller is set on the guiding and adjusting device and is matched with a scale accurate to millimeters, which can accurately adapt to the construction of steel pipe piles with different pipe diameters. At the same time, the L-shaped load-bearing I-beam and the two-layer limiting frame are fixed by multiple connecting pins, and the disassembly and assembly are very convenient, which can improve the project efficiency. At the same time, the tenons are used for limiting to further improve the assembly stability. This device is convenient for obtaining materials, safe and convenient for construction, flexible in use, and has high economic benefits.

[0047] The construction steps of the steel pipe pile are as follows:

[0048] 1. Assemble the L-shaped load-bearing I-beam (the L-shaped load-bearing I-beam and the Bailey sheet are connected into a fixed whole by pins. During assembly, it is hoisted as a whole at one time, and the stability is good after assembly).

[0049] 2. Install the bottom layer limiting frame (the bottom layer limiting frame integrates the guiding platform, guardrail and adjusting roller to form a whole, with good structural stability and high positioning accuracy), and connect it to the first tenon by pins.

[0050] 3. Install the support steel pipe. The support steel pipe uses square section steel, is inserted into the first tenon, and then further fixed and connected with pins.

[0051] 4. Install the connecting steel pipe, insert the connecting steel pipe onto the fourth tenon, and use a pin for further fixed connection.

[0052] 5. Install the upper limit frame (the upper limit frame integrates a guiding platform, a guardrail, and adjusting rollers to form a whole with good structural stability and high positioning accuracy). Insert the fourth tenon onto the connecting steel pipe, use a pin for further fixed connection, insert the supporting steel pipe onto the second tenon, and then use a pin for further fixed connection.

[0053] 6. After the installation of the limit frame is completed, adjust the telescopic rollers one by one according to the diameter of the steel pipe pile.

[0054] 7. Lift the steel pipe pile for driving. After the steel pipe pile is driven to the specified elevation, remove the limit device for cyclic construction use.

[0055] In the description of this specification, the descriptions referring to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples", etc. mean that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0056] Although the embodiments of the present utility model have been shown and described above, it can be understood that the above embodiments are exemplary and should not be construed as limiting the present utility model. Those of ordinary skill in the art can make changes, modifications, substitutions, and variations to the above embodiments within the scope of the present utility model without departing from the principle and spirit of the present utility model.

Claims

1. A vertical guiding device for a trestle steel pipe pile, characterized in that: It includes a load-bearing I-beam installed at the outer end of the Bailey beam (1). A bottom limit frame is installed on the load-bearing I-beam. An upper limit frame is arranged above the bottom limit frame. The lower end of the bottom limit frame is lower than the lower end of the Bailey beam (1), and the lower end of the upper limit frame is higher than the upper end of the Bailey beam (1). The bottom limit frame and the upper limit frame are connected by a number of support steel pipes (2). Horizontally corresponding guide platforms (3) are provided on the bottom limit frame and the upper limit frame. At least one pile hole (4) is correspondingly opened on the upper and lower guide platforms (3). The steel pipe pile (100) is vertically inserted into the correspondingly arranged pile holes (4). A plurality of guide adjustment devices are regularly arranged around the pile holes (4) on the guide platform (3). The guide adjustment device at least includes a roller (5) abutted against the side wall of the steel pipe pile (100). The steel pipe pile (100) can vertically sink under the action of the roller (5).

2. The vertical guiding device for the steel pipe piles of the trestle according to claim 1, wherein: Three pile holes (4) are correspondingly opened on the upper and lower guide platforms (3). The pile holes (4) are square. There are four guide adjustment devices and they are symmetrically arranged around the steel pipe pile (100).

3. The vertical guiding device for the trestle steel pipe pile according to claim 1, characterized in that: The roller (5) can move back and forth along the abutting direction under the action of an external force to adapt to the pipe diameters of different steel pipe piles (100).

4. The vertical guiding device for the trestle steel pipe piles according to claim 3, wherein: The guide adjustment device includes a sleeve (6) fixed on the guide platform (3) and an end plate (7) arranged at the rear side of the sleeve (6) and fixed on the guide platform (3); A moving block (8) is penetrated through the sleeve (6). Two sides of the front end of the moving block (8) extend to be provided with connecting plates (9). The roller (5) is rotatably arranged between the two connecting plates (9); An assembly hole is opened on one side of the moving block (8) facing the end plate (7). A bearing is clamped in the assembly hole. A lead screw (300) is threadedly connected to the end plate (7). The outer end of the lead screw (300) is connected with a rocker (10). The inner end of the lead screw (300) extends into the assembly hole and is in interference connection with the bearing.

5. The vertical guiding device for the trestle steel pipe pile according to claim 4, characterized in that: At least one side wall of the moving block (8) is provided with a scale line (11).

6. The vertical guiding device for the steel pipe piles of the trestle according to claim 1, wherein: The load-bearing I-beam is L-shaped and includes a vertical steel plate (12) and a horizontal steel plate (13). The vertical steel plate (12) and the Bailey beam (1) are fixed by a first connecting pin (14).

7. A vertical guiding device for the steel pipe piles of a trestle, according to claim 6, characterized in that: The bottom limit frame includes a bottom frame (15) erected on the horizontal steel plate (13) and a guide platform (3) installed inside the bottom frame (15). A number of first tenons (16) extend upward from both sides of the upper end of the horizontal steel plate (13). A number of reserved holes are provided on the bottom frame (15) and are in fit and insertion with the number of first tenons (16). The first tenons (16) and the bottom frame (15) are fixed by a second connecting pin (17).

8. The vertical guiding device for the steel pipe piles of the trestle according to claim 7, characterized in that: The upper limit frame includes an upper frame (18) and a guiding platform (3) installed inside the upper frame (18). The lower end of the upper frame (18) extends downward to be provided with a plurality of second tenons (19) corresponding to a plurality of first tenons (16). The support steel pipe (2) is supported between the bottom frame (15) and the upper frame (18), and the upper and lower ends of the support steel pipe (2) are respectively inserted into the second tenons (19) and the first tenons (16). The support steel pipe (2) is fixed to the first tenons (16) through a third connecting pin (20), and the support steel pipe (2) is fixed to the second tenons (19) through a fourth connecting pin (21).

9. The vertical guiding device for the steel pipe piles of a trestle according to claim 8, wherein: On one side wall of the upper frame (18) facing the vertical steel plate (12), a plurality of third tenons (22) extend outward. On the inner wall of the vertical steel plate (12), a plurality of fourth tenons (23) are provided corresponding to the plurality of third tenons (22). A connecting steel pipe (24) is provided in a propping manner between the upper frame (18) and the vertical steel plate (12). The two sides of the connecting steel pipe (24) are respectively inserted into the third tenons (22) and the fourth tenons (23). The connecting steel pipe (24) is fixed to the third tenons (22) through a fifth connecting pin (25), and the connecting steel pipe (24) is fixed to the fourth tenons (23) through a sixth connecting pin (26).

10. A vertical guiding device for steel pipe piles of a trestle, according to claim 9, characterized in that: A first guardrail (27) is provided circumferentially on the side wall of the bottom frame (15), and a second guardrail (28) is provided circumferentially at the upper end of the upper frame (18).

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