Steel trestle for karst pile foundation construction

Abstract

The utility model provides a steel trestle for karst pile foundation construction, which belongs to the technical field of construction and comprises a pile, a fixing component and a supporting component. I-shaped steel is installed at the tops of the piles, and multiple cross beams are arranged at the tops of the I-shaped steel; a placing groove is formed in the top end of a pile column, I-shaped steel is placed in the placing groove, installation grooves are further formed in the two sides of the top end of the pile column, supporting plates are installed in the installation grooves, fixing bases are arranged on the surfaces of the supporting plates, connecting blocks are symmetrically installed on the surfaces of the fixing bases, and fixing screws are inserted into grooves formed in the middles of the connecting blocks in a penetrating mode. The fixing clamping blocks are arranged on the surfaces of the fixing screws in a sleeving mode, so that the fixing clamping blocks make contact with the two sides of the I-shaped steel, the fixing clamping blocks are pressed through the nuts, the I-shaped steel is clamped and fixed through the fixing clamping blocks, a welding connection mode is replaced with the connection mode, dismounting and mounting are convenient, and the construction period and cost input are reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of construction, in particular to a steel trestle for karst pile foundation construction. Background Art

[0002] Karst, also known as karst formations, is a general term for the geological processes of water on soluble rocks, primarily through chemical dissolution, supplemented by mechanical erosion, subsidence, and collapse, as well as the phenomena resulting from these processes. Karst landforms are primarily composed of limestone, and during construction, temporary steel trestles are required to provide access for construction equipment. Traditionally, temporary steel trestles exist, but these are typically installed by welding, making them difficult to disassemble and increasing construction time and costs. Utility Model Content

[0003] The purpose of the utility model is to provide a steel trestle for karst pile foundation construction, so as to solve the problem in the above-mentioned background technology that the steel trestle bridge deck is usually installed by welding, and the bridge deck welding is not convenient for disassembly, which increases the construction period and cost expenditure.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a steel trestle for karst pile foundation construction, comprising: piles, fixing components and supporting components;

[0005] Wherein: an I-beam is installed on the top of the pile column, a plurality of cross beams are provided on the top of the I-beam, and a bridge deck is laid on the top of the plurality of cross beams;

[0006] The fixing assembly includes a placement slot provided at the top of the pile column, the I-beam is installed inside the placement slot, mounting slots are provided on both sides of the top of the pile column, a support plate is installed inside the mounting slot, a fixing seat is provided on the surface of the support plate, connecting blocks are symmetrically installed on the surface of the fixing seat, a groove is provided in the middle of the connecting block, a fixing screw is inserted into the groove, a fixing clamp is provided on the surface of the fixing screw, and the fixing clamp is clamped on both sides of the I-beam;

[0007] The support assembly includes a Bailey beam installed on the surface of the I-beam. Both sides of the Bailey beam are connected with connecting plates. The surfaces of the connecting plates are threadedly connected with mounting bolts, and the mounting bolts are threadedly connected to the top of the I-beam.

[0008] As a preferred solution of the present invention: a connecting protrusion is fixedly installed at one end of the Bailey beam, and a connecting piece is fixedly installed at the other end of the Bailey beam. Plug holes are correspondingly opened on the surfaces of the connecting protrusion and the connecting piece, and pins are inserted and connected inside the plug holes.

[0009] As a preferred solution of the present invention: connecting holes are opened on both sides of the support plate and the fixing seat surface, and fixing bolts are threadedly connected inside the connecting holes.

[0010] As a preferred solution of the present invention: the bottom of the pile is connected to a side plate, a reinforcement beam is installed between two adjacent piles, and ribs are installed between the side plate and the reinforcement beam.

[0011] As a preferred solution of the present invention: a pair of support rods are fixedly installed in the middle of two adjacent reinforcement beams.

[0012] As a preferred solution of the present invention: guardrails are installed on both sides of the surface of the bridge deck.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] (1) A placement groove is provided at the top of the pile column, and the I-beam is placed inside the placement groove. Installation grooves are also provided on both sides of the top of the pile column, and a support plate is installed inside the installation groove. A fixing seat is provided on the surface of the support plate, and a connecting block is symmetrically installed on the surface of the fixing seat. The fixing screw is inserted into the groove provided in the middle of the connecting block, and the fixing clamp is sleeved on the surface of the fixing screw so that the fixing clamp contacts both sides of the I-beam. The fixing clamp is pressed by a nut so that the fixing clamp clamps the I-beam. This connection method replaces the welding connection method, is convenient for disassembly and installation, and reduces construction period and cost investment;

[0015] (2) A Bailey beam is installed on the surface of the I-beam through a support assembly. Connecting plates are installed on both sides of the Bailey beam. The surface of the connecting plate is threadedly connected with mounting bolts. The Bailey beam is fixedly connected to the I-beam through the mounting bolts. The Bailey beam has a high structural strength and plays a supporting role for the bridge deck. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the fixing assembly structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the installation structure of the connecting protrusion of the utility model;

[0019] Figure 4 This is a schematic diagram of the support assembly structure of the present utility model.

[0020] In the figure: 1. Pile; 2. I-beam; 3. Crossbeam; 4. Bridge deck; 5. Fixing assembly; 51. Placement slot; 52. Mounting slot; 53. Support plate; 54. Fixing seat; 55. Connecting block; 56. Groove; 57. Fixing screw; 58. Fixing clamp; 6. Support assembly; 61. Bailey beam; 62. Connecting plate; 63. Mounting bolt; 7. Connecting protrusion; 8. Connecting piece; 9. Socket; 10. Pin; 11. Connecting hole; 12. Fixing bolt; 13. Side plate; 14. Reinforcement beam; 15. Rib; 16. Bracing rod; 17. Guardrail. DETAILED DESCRIPTION

[0021] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] See also Figures 1-4 A steel trestle for karst pile foundation construction includes: a pile column 1, a fixing assembly 5, and a supporting assembly 6; an I-beam 2 is installed on the top of the pile column 1, a plurality of cross beams 3 are provided on the top of the I-beam 2, and a bridge deck 4 is laid on the top of the plurality of cross beams 3;

[0023] See also Figure 1 , Figure 2 The fixing assembly 5 includes a placement groove 51 opened at the top of the pile column 1, the I-beam 2 is installed inside the placement groove 51, and mounting grooves 52 are opened on both sides of the top of the pile column 1. A support plate 53 is installed inside the mounting groove 52, and a fixing seat 54 is provided on the surface of the support plate 53. Connecting blocks 55 are symmetrically installed on the surface of the fixing seat 54. A groove 56 is opened in the middle of the connecting block 55, and a fixing screw 57 is inserted into the inside of the groove 56. A fixing clamp 58 is sleeved on the surface of the fixing screw 57, and the fixing clamp 58 is clamped on both sides of the I-beam 2.

[0024] During specific use: a placement groove 51 is opened at the top of the pile column 1, and the I-beam 2 is placed inside the placement groove 51. Installation grooves 52 are also opened on both sides of the top of the pile column 1. A support plate 53 is installed inside the installation groove 52. A fixing seat 54 is provided on the surface of the support plate 53. Connecting blocks 55 are symmetrically installed on the surface of the fixing seat 54. The fixing screw 57 is inserted into the groove 56 opened in the middle of the connecting block 55, and the fixing clamping block 58 is sleeved on the surface of the fixing screw 57, so that the fixing clamping block 58 contacts both sides of the I-beam 2, and the fixing clamping block 58 is pressed by the nut so that the fixing clamping block 58 clamps the I-beam 2. This connection method replaces the welding connection method, is convenient for disassembly and installation, and reduces construction period and cost investment.

[0025] See also Figure 1 , Figure 4 The support assembly 6 includes a Bailey beam 61 installed on the surface of the I-beam 2, and connecting plates 62 are connected to both sides of the Bailey beam 61. The surface of the connecting plate 62 is threadedly connected with mounting bolts 63, and the mounting bolts 63 are threadedly connected to the top of the I-beam 2.

[0026] During specific use: a Bailey beam 61 is installed on the surface of the I-beam 2, and connecting plates 62 are installed on both sides of the Bailey beam 61. The surface of the connecting plate 62 is threadedly connected with mounting bolts 63. The Bailey beam 61 is fixedly connected to the I-beam 2 through the mounting bolts 63. The Bailey beam 61 has a high structural strength and plays a supporting role for the bridge deck 4.

[0027] See also Figure 1 , Figure 3 A connecting protrusion 7 is fixedly installed at one end of the Bailey beam 61, and a connecting piece 8 is fixedly installed at the other end of the Bailey beam 61. Plug holes 9 are correspondingly opened on the surfaces of the connecting protrusion 7 and the connecting piece 8, and a pin 10 is inserted into the inside of the plug hole 9.

[0028] During specific use: a connecting protrusion 7 is installed at one end of the Bailey beam 61, and a connecting piece 8 is installed at the other end. When adjacent Bailey beams 61 are spliced, the connecting protrusion 7 is aligned with the connecting piece 8 at one end of the adjacent Bailey beam 61. Sockets 9 are provided on the surfaces of the connecting protrusion 7 and the connecting piece 8. The pin 10 is inserted into the socket 9, so that the two adjacent Bailey beams 61 are fixedly spliced, which is convenient for installation and disassembly.

[0029] See also Figure 2 Connecting holes 11 are provided on both sides of the surface of the support plate 53 and the fixing seat 54 , and fixing bolts 12 are threadedly connected inside the connecting holes 11 .

[0030] During specific use: connection holes 11 are opened on both sides of the surfaces of the support plate 53 and the fixing seat 54 , and the fixing bolts 12 are inserted into the connection holes 11 to fix the support plate 53 and the fixing seat 54 together.

[0031] See also Figure 1 The bottom of the pile column 1 is connected to a side plate 13, and a reinforcing beam 14 is installed between two adjacent pile columns 1. Ribs 15 are installed between the side plate 13 and the reinforcing beam 14, and a pair of support rods 16 are fixedly installed in the middle of the two adjacent reinforcing beams 14.

[0032] During specific use: the bottom of the pile column 1 is connected with a side plate 13, a reinforcing beam 14 is installed between two adjacent pile columns 1, and a rib 15 is installed between the side plate 13 and the reinforcing beam 14 to improve the structural strength between the adjacent pile columns 1. The two adjacent reinforcing beams 14 are connected by a support rod 16, so that the pile columns 1 in the front and back relationship have a connecting force, thereby improving the anti-deformation ability.

[0033] See also Figure 1 Guardrails 17 are installed on both sides of the surface of the bridge deck 4.

[0034] During specific use: guardrails 17 are installed on both sides of the surface of the bridge deck 4 to play a protective role and avoid the risk of people falling when walking on the bridge deck.

[0035] A placement groove 51 is provided at the top of the pile column 1, and the I-beam 2 is placed inside the placement groove 51. Installation grooves 52 are also provided on both sides of the top of the pile column 1. A support plate 53 is installed inside the installation groove 52. A fixing seat 54 is provided on the surface of the support plate 53. Connecting blocks 55 are symmetrically installed on the surface of the fixing seat 54. A fixing screw 57 is inserted into the groove 56 provided in the middle of the connecting block 55, and a fixing clamp 58 is sleeved on the surface of the fixing screw 57 so that the fixing clamp 58 contacts both sides of the I-beam 2. The fixing clamp 58 is pressed by a nut so that the fixing clamp 58 clamps the I-beam 2. This connection method replaces the welding connection method, facilitates disassembly and installation, and reduces construction period and cost investment.

[0036] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field. Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments or to replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A steel trestle for karst pile foundation construction, characterized in that: include: A pile column (1), wherein an I-steel (2) is installed on the top of the pile column (1), a plurality of crossbeams (3) are provided on the top of the I-steel (2), and a bridge plate (4) is laid on the top of the plurality of crossbeams (3); A fixing assembly (5), wherein the fixing assembly (5) comprises a placement groove (51) provided at the top of the pile column (1), the I-beam (2) is installed inside the placement groove (51), installation grooves (52) are provided on both sides of the top of the pile column (1), a support plate (53) is installed inside the installation groove (52), a fixing seat (54) is provided on the surface of the support plate (53), a connecting block (55) is symmetrically installed on the surface of the fixing seat (54), a groove (56) is provided in the middle of the connecting block (55), a fixing screw (57) is inserted into the inside of the groove (56), a fixing clamp (58) is sleeved on the surface of the fixing screw (57), and the fixing clamp (58) is clamped on both sides of the I-beam (2); A support assembly (6) includes a Bailey beam (61) mounted on the surface of an I-beam (2), connecting plates (62) are connected to both sides of the Bailey beam (61), and mounting bolts (63) are threadedly connected to the surface of the connecting plate (62), and the mounting bolts (63) are threadedly connected to the top of the I-beam (2).

2. The steel trestle for karst pile foundation construction according to claim 1, characterized in that: A connecting protrusion (7) is fixedly mounted on one end of the Bailey beam (61), and a connecting piece (8) is fixedly mounted on the other end of the Bailey beam (61). Plug holes (9) are correspondingly provided on the surfaces of the connecting protrusion (7) and the connecting piece (8), and a pin (10) is inserted and connected inside the plug hole (9).

3. The steel trestle for karst pile foundation construction according to claim 1, characterized in that: Connecting holes (11) are provided on both sides of the surfaces of the support plate (53) and the fixing seat (54), and fixing bolts (12) are threadedly connected inside the connecting holes (11).

4. The steel trestle for karst pile foundation construction according to claim 1, characterized in that: The bottom of the pile column (1) is connected with a side plate (13), and a reinforcement beam (14) is installed between two adjacent pile columns (1). Ribs (15) are installed between the side plate (13) and the reinforcement beam (14).

5. The steel trestle for karst pile foundation construction according to claim 4, characterized in that: A pair of support rods (16) are fixedly installed at the middle parts of two adjacent reinforcement beams (14).

6. The steel trestle for karst pile foundation construction according to claim 1, characterized in that: Guardrails (17) are installed on both sides of the surface of the bridge plate (4).

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