Drilling platform for highway bridge construction

Abstract

The utility model discloses a drilling platform for highway bridge construction, which relates to the technical field of bridge construction equipment and comprises a moving unit, a lifting unit, a rotating unit arranged in the moving unit and a clamping unit arranged at the bottom end of the rotating unit. The rotating unit comprises an outer rotating shaft movably arranged at the bottom in the moving unit in a penetrating mode and a movable rotating shaft movably arranged in the outer rotating shaft. The clamping unit comprises a drill bit installed at the bottom end of the movable rotating shaft and a penetrating rod arranged on one side of the top end of the drill bit in a penetrating mode and used for clamping. According to the drilling platform for highway bridge construction, the drill bit can rotate while descending drilling operation is carried out, operation is easy, the efficiency of drilling operation is improved, the drill bit can be conveniently and rapidly disassembled and assembled, drill bits of different sizes can be conveniently replaced to carry out drilling operation of different drilling sizes, the drilling range is widened, and the drilling efficiency is improved. And the practicability is good.

Description

Technical Field

[0001] The utility model relates to the technical field of bridge construction equipment, in particular to a drilling platform used for highway bridge construction. Background Art

[0002] With the continuous acceleration of the socialization process, my country's subway road and bridge construction has also made great progress. my country is actively developing at a high speed. Due to its vast land area, complex terrain and relatively scattered living environment, strengthening road and bridge construction is a fundamental requirement for advanced economic development and social progress. Generally, when constructing highway bridges, drilling devices are required to drill holes in them.

[0003] The existing drilling equipment does not have the function of synchronously lowering and rotating the drill bit after installation, which affects the drilling efficiency due to the inconvenient operation. It also does not have the function of quickly disassembling and assembling the drill bit, and different drill bits cannot be replaced according to the size of the hole. Therefore, it is necessary to provide a drilling platform for highway bridge construction. Utility Model Content

[0004] The main purpose of the utility model is to provide a drilling platform for highway bridge construction, which can effectively solve the problems that the existing drilling equipment in the background technology does not have the function of synchronously descending and rotating the drill bit after installation, which is inconvenient to operate and affects the drilling efficiency, and does not have the function of quick disassembly and assembly of the drill bit, and different drill bits cannot be replaced according to the size of the hole.

[0005] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a drilling platform for highway bridge construction, comprising a mobile unit, and a lifting unit arranged inside the mobile unit, and also comprising a rotating unit arranged inside the mobile unit and a clamping unit arranged at the bottom end of the rotating unit;

[0006] The rotating unit comprises an outer rotating shaft movably arranged on the inner bottom of the moving unit, and a movable rotating shaft movably arranged inside the outer rotating shaft;

[0007] The clamping unit comprises a drill bit installed at the bottom end of the movable shaft, and an insertion rod for clamping and penetrating one side of the top end of the drill bit.

[0008] Preferably, the mobile unit includes a mobile frame, a universal wheel fixedly connected to the bottom of the mobile frame, a push rod fixedly connected to the top of one end of the mobile frame, and an inner slide groove provided on the inner wall surface opposite to the mobile frame.

[0009] Preferably, the lifting unit comprises two hydraulic cylinders fixedly connected to the inner top wall of the moving frame, a lifting plate fixedly connected to the driving ends of the two hydraulic cylinders, and a rotating slot opened at the top center of the lifting plate.

[0010] Preferably, the rotating unit also includes a rotating motor fixedly connected to the top of the moving frame, a cross slot opened at the bottom of the outer rotating shaft, a cross block fixedly connected to the outer surface of the top end of the moving rotating shaft, a rotating plate sleeved on the outer surface of the moving rotating shaft, and an insertion hole opened on one side of the bottom end of the moving rotating shaft.

[0011] Preferably, the mounting unit further comprises a mounting groove formed at the top of the drill bit, a fixed sleeve passing through both sides of the top of the drill bit, threaded holes formed at the top of the fixed sleeve and the top of the drill bit, and a fastening screw threadedly connected to the inside of the threaded hole.

[0012] Preferably, the top end of the outer shaft is fixedly connected to the driving end of the rotating motor, the cross clamping block matches the cross clamping slot, the rotating plate is movably arranged inside the rotating slot, and the bottom end of the movable shaft is arranged inside the mounting slot.

[0013] Preferably, the inner diameter of the mounting groove is matched with the outer diameter of the movable shaft, the penetration rod is penetrated inside the solid casing, and the fastening screw passes through the penetration rod and is threadedly connected to the drill bit.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] 1. In the utility model, after the mobile frame moves to the drilling position, the rotating motor is started, which drives the outer rotating shaft to rotate. The rotation of the outer rotating shaft causes the movable rotating shaft to rotate along with it through the clamping of the cross clamping block and the cross clamping slot. Then the two hydraulic cylinders are started, and the hydraulic cylinders push the lifting plate to descend inside the inner slide slot. The descent of the lifting plate causes the movable rotating shaft to descend inside the outer rotating shaft through the rotating plate movably arranged inside the rotating slot, thereby causing the movable rotating shaft to drive the drill bit to descend for drilling operations. This structure has the function of performing the drilling operation while the drill bit rotates, is simple to operate, improves the efficiency of the drilling operation, and has good practicality.

[0016] 2. In the utility model, firstly, the mounting groove on the top of the drill bit is aligned with the bottom end of the movable shaft, and the movable shaft is inserted into the interior of the mounting groove, and then the insertion rod is passed through the solid casing and enters the interior of the insertion slot of the movable shaft, so that the drill bit can be initially fixed, and then the fastening screw is screwed into the interior of the drill bit through the threaded hole and passed through the insertion rod, so that the insertion rod is fixed in the interior of the solid casing, thereby forming a clamping fixation for the drill bit. This structure facilitates rapid disassembly and assembly of the drill bit, and is convenient for replacing drill bits of different sizes to perform drilling operations of different drilling sizes, thereby increasing the range of drilling holes. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0018] Figure 2It is a side view internal cross-sectional structure schematic diagram of the utility model;

[0019] Figure 3 For this utility model Figure 2 The enlarged structural diagram at A in the middle;

[0020] Figure 4 For this utility model Figure 2 Enlarged structural diagram at B in the middle.

[0021] In the figure:

[0022] 100, mobile unit; 101, mobile frame; 102, universal wheel; 103, push rod; 104, inner slide;

[0023] 200, lifting unit; 201, hydraulic cylinder; 202, lifting plate; 203, rotating tank;

[0024] 300, rotating unit; 301, rotating motor; 302, outer rotating shaft; 303, cross slot; 304, moving rotating shaft; 305, cross block; 306, rotating plate; 307, interlaced hole;

[0025] 400, clamping unit; 401, drill bit; 402, mounting groove; 403, fixed sleeve; 404, insertion rod; 405, threaded hole; 406, fastening screw. DETAILED DESCRIPTION

[0026] Example 1

[0027] Please refer to Figure 1 — Figure 4 As shown, the utility model is a drilling platform for highway bridge construction, including a mobile unit 100, and a lifting unit 200 arranged inside the mobile unit 100, and also includes a rotating unit 300 arranged inside the mobile unit 100 and a clamping unit 400 arranged at the bottom end of the rotating unit 300;

[0028] The clamping unit 400 includes a drill bit 401 installed at the bottom end of the rotating shaft 304 , and an insertion rod 404 for clamping and penetrating through one side of the top end of the drill bit 401 .

[0029] The mobile unit 100 includes a mobile frame 101 , a universal wheel 102 fixedly connected to the bottom of the mobile frame 101 , a push rod 103 fixedly connected to the top of one end of the mobile frame 101 , and an inner slide groove 104 opened on the inner wall surface opposite to the mobile frame 101 .

[0030] The lifting unit 200 includes two hydraulic cylinders 201 fixedly connected to the inner top wall of the moving frame 101 , a lifting plate 202 fixedly connected to the driving ends of the two hydraulic cylinders 201 , and a rotating slot 203 opened at the top center of the lifting plate 202 .

[0031] like Figure 1 — Figure 4 As shown, the rotating unit 300 includes an outer rotating shaft 302 movably inserted into the bottom of the mobile unit 100, and a movable rotating shaft 304 movably arranged inside the outer rotating shaft 302. The rotating unit 300 also includes a rotating motor 301 fixedly connected to the top of the mobile frame 101, a cross slot 303 opened at the bottom of the outer rotating shaft 302, a cross block 305 fixedly connected to the outer surface of the top end of the movable rotating shaft 304, a rotating plate 306 sleeved on the outer surface of the movable rotating shaft 304, and an insertion hole 307 opened on one side of the bottom end of the movable rotating shaft 304. The top end of the outer rotating shaft 302 is fixedly connected to the driving end of the rotating motor 301, the cross block 305 matches the cross slot 303, the rotating plate 306 is movably arranged inside the rotating groove 203, and the bottom end of the movable rotating shaft 304 is arranged inside the mounting groove 402.

[0032] Working principle: After the mobile frame 101 moves to the drilling position, the rotating motor 301 is started, and the rotating motor 301 drives the outer rotating shaft 302 to rotate. The rotation of the outer rotating shaft 302 causes the movable rotating shaft 304 to rotate along through the clamping of the cross clamping block 305 and the cross clamping slot 303, and then the two hydraulic cylinders 201 are started. The hydraulic cylinders 201 push the lifting plate 202 to descend inside the inner slide slot 104. The descent of the lifting plate 202 is caused by the rotating plate 306 movably arranged inside the rotating slot 203 to cause the movable rotating shaft 304 to descend inside the outer rotating shaft 302, so that the movable rotating shaft 304 drives the drill bit 401 to descend for drilling operations. This structure has the function of performing the descending drilling operation while the drill bit rotates, is simple to operate, improves the efficiency of the drilling operation, and has good practicality.

[0033] Example 2

[0034] Please refer to Figure 1 — Figure 4 As shown, the utility model is a drilling platform for highway bridge construction, including a mobile unit 100, and a lifting unit 200 arranged inside the mobile unit 100, and also includes a rotating unit 300 arranged inside the mobile unit 100 and a clamping unit 400 arranged at the bottom end of the rotating unit 300;

[0035] The rotating unit 300 includes an outer rotating shaft 302 movably disposed through the inner bottom of the moving unit 100 , and a movable rotating shaft 304 movably disposed inside the outer rotating shaft 302 .

[0036] The mobile unit 100 includes a mobile frame 101 , a universal wheel 102 fixedly connected to the bottom of the mobile frame 101 , a push rod 103 fixedly connected to the top of one end of the mobile frame 101 , and an inner slide groove 104 opened on the inner wall surface opposite to the mobile frame 101 .

[0037] The lifting unit 200 includes two hydraulic cylinders 201 fixedly connected to the inner top wall of the moving frame 101 , a lifting plate 202 fixedly connected to the driving ends of the two hydraulic cylinders 201 , and a rotating slot 203 opened at the top center of the lifting plate 202 .

[0038] like Figure 2 and Figure 4 As shown, the clamping unit 400 includes a drill bit 401 installed at the bottom end of the movable shaft 304, and an insertion rod 404 for clamping that is penetrated through one side of the top of the drill bit 401. The clamping unit 400 also includes a mounting groove 402 opened at the top of the drill bit 401, a solid sleeve 403 penetrated through both sides of the top of the drill bit 401, a threaded hole 405 opened at the top of the solid sleeve 403 and the top of the drill bit 401, and a fastening screw 406 threadedly connected to the inside of the threaded hole 405. The inner diameter size of the mounting groove 402 is compatible with the outer diameter size of the movable shaft 304, the insertion rod 404 is penetrated through the inside of the solid sleeve 403, and the fastening screw 406 passes through the insertion rod 404 and is threadedly connected to the drill bit 401.

[0039] Working principle: first, align the mounting groove 402 on the top of the drill bit 401 with the bottom end of the movable shaft 304, and insert the movable shaft 304 into the mounting groove 402, then pass the insertion rod 404 through the solid sleeve 403 and enter the insertion slot 307 of the movable shaft 304, so that the drill bit 401 can be initially fixed, and then screw the fastening screw 406 into the interior of the drill bit 401 through the threaded hole 405 and pass through the insertion rod 304, so that the insertion rod 304 is fixed in the interior of the solid sleeve 403, thereby forming a clamping fixation for the drill bit 401. This structure facilitates the rapid disassembly and assembly of the drill bit 401, and facilitates the replacement of drill bits 401 of different sizes for drilling operations of different drilling sizes, thereby increasing the drilling range.

Claims

1. A drilling platform for highway bridge construction, comprising a mobile unit (100) and a lifting unit (200) arranged inside the mobile unit (100), characterized in that: It also includes a rotating unit (300) arranged inside the moving unit (100) and a clamping unit (400) arranged at the bottom end of the rotating unit (300); The rotating unit (300) comprises an outer rotating shaft (302) movably arranged on the inner bottom of the moving unit (100), and a movable rotating shaft (304) movably arranged inside the outer rotating shaft (302); The clamping unit (400) comprises a drill bit (401) mounted on the bottom end of the rotating shaft (304), and an insertion rod (404) for clamping and penetrating through one side of the top end of the drill bit (401).

2. A drilling platform for highway bridge construction according to claim 1, characterized in that: The mobile unit (100) comprises a mobile frame (101), a universal wheel (102) fixedly connected to the bottom of the mobile frame (101), a push rod (103) fixedly connected to the top of one end of the mobile frame (101), and an inner slide groove (104) provided on the inner wall surface opposite to the mobile frame (101).

3. A drilling platform for highway bridge construction according to claim 2, characterized in that: The lifting unit (200) comprises two hydraulic cylinders (201) fixedly connected to the inner top wall of the moving frame (101), a lifting plate (202) fixedly connected to the driving ends of the two hydraulic cylinders (201), and a rotating groove (203) opened at the top center of the lifting plate (202).

4. A drilling platform for highway bridge construction according to claim 3, characterized in that: The rotating unit (300) further comprises a rotating motor (301) fixedly connected to the top of the moving frame (101), a cross-shaped slot (303) provided at the bottom of the outer rotating shaft (302), a cross-shaped block (305) fixedly connected to the outer surface of the top end of the moving rotating shaft (304), a rotating plate (306) sleeved on the outer surface of the moving rotating shaft (304), and an insertion hole (307) provided at one side of the bottom end of the moving rotating shaft (304).

5. A drilling platform for highway bridge construction according to claim 4, characterized in that: The clamping unit (400) further comprises a mounting groove (402) provided at the top of the drill bit (401), a fixed sleeve (403) passing through both sides of the top of the drill bit (401), a threaded hole (405) provided at the top of the fixed sleeve (403) and the top of the drill bit (401), and a fastening screw (406) threadedly connected to the inside of the threaded hole (405).

6. A drilling platform for highway bridge construction according to claim 5, characterized in that: The top end of the outer rotating shaft (302) is fixedly connected to the driving end of the rotating motor (301), the cross clamping block (305) matches the cross clamping slot (303), the rotating plate (306) is movably arranged inside the rotating slot (203), and the bottom end of the movable rotating shaft (304) is arranged inside the mounting slot (402).

7. A drilling platform for highway bridge construction according to claim 6, characterized in that: The inner diameter of the installation groove (402) is matched with the outer diameter of the movable shaft (304), the insertion rod (404) is inserted into the interior of the fixed sleeve (403), and the fastening screw (406) passes through the insertion rod (404) and is threadedly connected to the drill bit (401).

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