Highway bridge construction drilling platform

Abstract

The utility model discloses a highway bridge construction drilling platform, which belongs to the technical field of highway bridge construction and comprises a displacement platform, a driving machine room is mounted at the rear end of the displacement platform, a transverse displacement mechanism is arranged in front of the driving machine room, and auxiliary limiting mechanisms are arranged on the left side and the right side of the displacement platform. According to the highway bridge construction drilling platform, through the synergistic effect of the transverse displacement mechanism and the auxiliary limiting mechanism in the highway bridge construction drilling platform, the platform has the three core advantages of high-precision positioning, rapid displacement response and super-strong operation stability, and the transverse displacement mechanism adopts a ball screw assembly to drive a supporting frame and a drilling machine assembly to conduct stable displacement; according to the bridge foundation pile drilling machine, transverse displacement of the drilling machine assembly is achieved, the stability of drilling operation can be guaranteed through a high-stability drilling platform provided by the auxiliary limiting mechanism, then the drilling quality is improved, it is guaranteed that later reinforced concrete filling operation is effectively conducted, the drilling efficiency of a bridge foundation pile is improved to several times that of traditional equipment, and meanwhile the hole site qualification rate is greatly increased.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of highway bridge construction, in particular to a highway bridge construction drilling platform. BACKGROUND

[0002] Highway bridges refer to traffic structures built to cross rivers, valleys, roads, railways or other obstacles, are important components of highway networks, bear the key functions of connecting traffic lines and ensuring the safe passage of vehicles and pedestrians, have various structural forms including beam bridges, arch bridges, cable-stayed bridges and suspension bridges, and design needs to comprehensively consider factors such as topography, hydrology, geology, load and environment; The construction and maintenance of highway bridges involve many aspects such as the main structure of the bridge, bridge pavement, drainage system, expansion joint and guardrail, aiming to ensure the bearing capacity, durability and safety of the bridge. With the progress of technology, modern bridge engineering pays more attention to the improvement of intelligent monitoring, green environmental protection and anti-seismic disaster prevention performance, and provides efficient and reliable traffic protection for regional economic development and public travel.

[0003] The patent document with the application number CN202110281264.9 discloses a highway bridge construction drilling platform, wherein "it includes a mounting platform, a drilling mechanism and a supporting mechanism; the mounting platform includes a mounting frame, a mounting shaft and universal wheels; the mounting frame is a "C" shaped structure; the "C" shaped opening of the mounting frame faces upward; the lower surface of the mounting frame is fixedly connected with uniformly distributed universal wheels at the four corners; the mounting frame is provided with a receiving groove corresponding to each universal wheel; the supporting mechanism is provided, the angle of the mounting shaft is changed, the extension rods in the opposite direction are moved outward, the supporting rods and the limiting grooves cooperate with the mounting frame to form a triangular supporting mechanism, the gravity of the mounting frame is effectively matched, the drilling platform is more stable during the drilling operation of the inclined angle hole, the drilling platform is not affected by strong counter-shock, the drilling platform is not overturned, and the safety hazard is avoided, and the drilling platform is also easily damaged".

[0004] Based on the above patent search and combined with the existing highway bridge construction drilling platform, it is found that the highway bridge construction drilling platform refers to drilling operation for bridge piers and bridge foundations in the early stage of bridge construction, but not drilling operation on the bridge deck. The above drilling platform has very low operation efficiency on the bridge deck. The bridge deck is made of materials such as concrete and is prefabricated. The bolt slot holes on the bridge deck have been set in advance. In addition, the existing drilling machine and electric drill can fully meet the drilling operation on the bridge deck, and the efficiency is higher. However, some traditional platforms need to be moved and adjusted as a whole to adjust the drilling position, which is time-consuming and low in precision. In addition, the hole deviation problem is easy to occur during drilling operation, which will cause the steel reinforced concrete filling operation to be unable to be carried out.

[0004] Based on this, the utility model designs a highway bridge construction drilling platform to solve the above problems. Utility Model Content

[0005] The purpose of this utility model is to provide a drilling platform for highway bridge construction to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A drilling platform for highway bridge construction includes a displacement platform. A drive housing is installed at the rear end of the displacement platform, and a lateral displacement mechanism is located at the front of the drive housing. Auxiliary limiting mechanisms are located on both the left and right sides of the displacement platform. The lateral displacement mechanism includes a load-bearing frame, a drive motor, a ball screw, a displacement plate, and a ball nut. The load-bearing frame is fixedly installed at the front end of the displacement platform. The drive motor is fixedly installed at the left end of the load-bearing frame, and the transmission end of the drive motor is fixedly connected to the ball screw. A lateral limit mechanism is located on the outer side of the ball screw. The system includes a ball bearing nut body, a displacement carrier plate fixedly mounted on the upper end of the ball bearing nut body, a support frame fixedly mounted on the upper end of the displacement carrier plate, a drilling machine assembly fixedly mounted on the support frame, and an auxiliary limiting mechanism including a first mounting platform, a first inflation rod, a second inflation rod, and a first air supply pump. The first mounting platform is fixedly mounted on the left end of the displacement platform, the first inflation rod is fixedly mounted on the front end of the first mounting platform, the second inflation rod is fixedly mounted on the rear end of the first mounting platform, and the first air supply pump is fixedly mounted on the middle part of the first mounting platform.

[0008] Optionally, the lateral displacement mechanism further includes a bearing bracket, which is installed at the right end of the ball screw body and is fixedly installed at the right end of the bearing frame.

[0009] Optionally, limit rods are provided at both the front and rear ends of the ball screw body, and mounting brackets are provided on both the left and right sides of the limit rods.

[0010] Optionally, the mounting bracket is fixedly installed on the upper end of the bearing frame, and the limiting rod is slidably connected to the displacement plate.

[0011] Optionally, the first and second inflation rods are connected to the first air supply pump via air pipes, and a second mounting platform is fixedly installed at the right end of the displacement platform.

[0012] Optionally, a third inflation rod is fixedly installed at the front end of the second mounting platform, and a fourth inflation rod is fixedly installed at the rear end of the second mounting platform.

[0013] Optionally, a second air pump is fixedly installed in the middle of the second mounting platform, and the third and fourth air pumps are connected to the second air pump through air pipes.

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

[0015] 1、 the utility model discloses, be provided with horizontal displacement mechanism, this mechanism passes through the precision transmission system that drive motor and ball screw body, ball nut are formed, cooperate with the slide guide design of displacement carrier plate of limiting rod, realized the drilling unit component positioning precision and wide range horizontal adjustment ability, wherein, bearing frame ensures the axial positioning precision of screw rod, is especially suitable for bridge foundation pile group hole etc. High density drilling scene.

[0016] 2、 the utility model discloses, be provided with auxiliary limiting mechanism, adopt distributed pneumatic plug rod structure, through the four -way inflation plug rod of symmetrical arrangement of first installation platform and second installation platform, form the three -dimensional support system with angle compensation function, four inflatable plug rods with thirty -degree inclination and metal sharp -headed plug rod synchronous down insertion into the ground soil, form four -corner anchoring support system, and the high stability drilling platform that auxiliary limiting mechanism provides can ensure the stability of drilling operation, and then improve drilling quality. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the structure schematic diagram of the utility model's perspective view;

[0018] Figure 2 It is the structure schematic diagram of the utility model's plane front view;

[0019] Figure 3 It is the structure schematic diagram of the utility model's perspective view;

[0020] Figure 4 It is the structure schematic diagram of the utility model's perspective view;

[0021] Figure 5 It is the structure schematic diagram of the utility model's perspective view;

[0022] Figure 6 It is the structure schematic diagram of the utility model's perspective view;

[0023] Figure 7 It is the structure schematic diagram of the utility model's plane top view;

[0024] Figure 8 It is the structure schematic diagram of the utility model's perspective view; Figure 1 ;

[0025] Figure 9 It is the structure schematic diagram of the utility model's perspective view; Figure 2 .

[0026] In the figure: 1, displacement platform; 2, drive machine compartment; 3, transverse displacement mechanism; 301, bearing frame; 302, drive motor; 303, ball screw body; 304, bearing frame; 305, mounting frame; 306, limit rod; 307, displacement load plate; 308, ball nut body; 4, auxiliary limiting mechanism; 401, first mounting table; 402, first inflatable plug rod; 403, second inflatable plug rod; 404, first air supply pump; 405, second mounting table; 406, third inflatable plug rod; 407, fourth inflatable plug rod; 408, second air supply pump; 5, support frame; 6, drilling machine assembly. DETAILED DESCRIPTION

[0027] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second" and the like are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first", "second" and the like can explicitly or implicitly include one or more of the features. In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0028] In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be connected inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0029] The technical solutions in the embodiments of the present application will be described clearly and completely in the following description of the embodiments of the present application, obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary skilled in the art without creative labor belong to the scope of protection of the present application.

[0030] Please refer to Figures 1-9The utility model discloses an embodiment of a kind of highway bridge construction drilling platform, including displacement platform 1, the rear end of displacement platform 1 is equipped with drive machine bin 2, the front of drive machine bin 2 is provided with transverse displacement mechanism 3, the left and right sides of displacement platform 1 are provided with auxiliary limiting mechanism 4, transverse displacement mechanism 3 includes bearing frame 301, drive motor 302, ball screw body 303, displacement carrier plate 307 and ball nut body 308, the front end of displacement platform 1 is fixedly installed with bearing frame 301, the left end of bearing frame 301 is fixedly installed with drive motor 302, the transmission end of drive motor 302 is fixedly connected with ball screw body 303, the outside of ball screw body 303 is provided with ball nut body 308, the upper end of ball nut body 308 is fixedly installed with displacement carrier plate 307, the upper end of displacement carrier plate 307 is fixedly installed with support frame 5, support frame 5 is fixedly installed with drilling machine assembly 6, transverse displacement mechanism 3 further includes bearing bracket 304, the right end of ball screw body 303 is installed with bearing bracket 304, bearing bracket 304 is fixedly installed at the right end of bearing frame 301, the front and back ends of ball screw body 303 are provided with limit rod 306, the left and right sides of limit rod 306 are provided with mounting bracket 305, mounting bracket 305 is fixedly installed at the upper end of bearing frame 301, limit rod 306 is slidably connected with displacement carrier plate 307;

[0031] Displacement platform 1 and drive machine bin 2 are traditional displacement components, adopt the displacement base commonly used in excavator etc., through basic displacement function, before starting, drive motor 302 and drilling machine assembly 6 need to be connected to control terminal in advance, when starting, the whole drilling platform is moved to the designated drilling position by displacement platform 1 and drive machine bin 2 first, drive motor 302 is started to drive ball screw body 303 to rotate, then drive displacement carrier plate 307, support frame 5 and drilling machine assembly 6 to move horizontally and reach the drilling position, then drilling machine assembly 6 is started to drill, because bridge base usually needs at least double hole, traditional drilling platform also needs to move the whole platform a certain distance before opening, and the drilling platform is additionally provided with transverse displacement mechanism 3, drive motor 302 can be started to drive ball screw body 303 to rotate, then drive displacement carrier plate 307, support frame 5 and drilling machine assembly 6 to move horizontally and reach the next drilling position, drilling machine assembly 6 is started to drill, effectively shorten the time needed by displacement drilling platform, improve work efficiency

[0032] Transverse displacement mechanism 3 adopts ball screw assembly to drive support frame 5 and drilling machine assembly 6 to move stably, realize the horizontal movement of drilling machine assembly 6, improve positioning accuracy, and positioning time of traditional platform is greatly shortened, limit rod 306 is used to share lateral load, avoid deformation of screw rod under bending moment, then improve the stability and reliability of transverse displacement mechanism 3 to move drilling machine assembly 6;

[0033] The auxiliary limiting mechanism 4 comprises a first mounting table 401, a first inflatable plug 402, a second inflatable plug 403 and a first air supply pump 404, the left end of the displacement platform 1 is fixedly installed with the first mounting table 401, the front end of the first mounting table 401 is fixedly installed with the first inflatable plug 402, the rear end of the first mounting table 401 is fixedly installed with the second inflatable plug 403, the middle part of the first mounting table 401 is fixedly installed with the first air supply pump 404, the first inflatable plug 402 and the second inflatable plug 403 are communicated with the first air supply pump 404 through air pipes, the right end of the displacement platform 1 is fixedly installed with a second mounting table 405, the front end of the second mounting table 405 is fixedly installed with a third inflatable plug 406, the rear end of the second mounting table 405 is fixedly installed with a fourth inflatable plug 407, the middle part of the second mounting table 405 is fixedly installed with a second air supply pump 408, the third inflatable plug 406 and the fourth inflatable plug 407 are communicated with the second air supply pump 408 through air pipes;

[0034] Before starting, the first air supply pump 404 and the second air supply pump 408 need to be connected to the control terminal in advance, when the displacement platform 1 and the driving machine bin 2 move the whole drilling platform to the designated drilling position, the auxiliary limiting mechanism 4 can be started, the first air supply pump 404 is started to increase the pressure in the first inflatable plug 402 and the second inflatable plug 403, so that the first inflatable plug 402 and the second inflatable plug 403 are stretched and inserted into the soil, thereby improving the stability of the whole drilling platform, similarly, the second air supply pump 408 is started to increase the pressure in the third inflatable plug 406 and the fourth inflatable plug 407, so that the third inflatable plug 406 and the fourth inflatable plug 407 are stretched and inserted into the soil, the lower ends of the four inflatable plugs are installed with sharp metal plugs, and the inflatable plugs have a thirty-degree inclination with the horizontal plane, so that the inflatable plugs can be effectively inserted into the soil and play a stable supporting effect;

[0035] The auxiliary limiting mechanism 4 adopts a four-end insertion structure, which can effectively improve the stability of the drilling platform, especially during the drilling operation, the high-stability drilling platform provided by the auxiliary limiting mechanism 4 can ensure the stability of the drilling operation, thereby improving the drilling quality and ensuring the effective implementation of the later reinforced concrete filling operation;

[0036] The working principle of the utility model is: when the platform works, first, the device is moved to the predetermined drilling area by the traditional moving base composed of displacement platform 1 and drive machine bin 2, after reaching the target position, start the first gas supply pump 404 and the second gas supply pump 408 in the auxiliary limiting mechanism 4, respectively to the first inflatable rod 402, the second inflatable rod 403, the third inflatable rod 406 and the fourth inflatable rod 407, increase the pressure in, make four inflatable rods with thirty degree angle and metal sharp end rod synchronous down insertion into the foundation soil, form four corner anchoring support system, then, drive motor 302 drives ball screw body 303 to rotate, through the precise meshing transmission of ball nut body 308 and screw rod, push displacement load plate 307 to slide along limiting rod 306 transversely, accurately drive support frame 5 and drilling machine assembly 6 to transversely position in the range of several meters, after completing the first hole operation, the whole platform does not need to be moved, only needs to restart the drive motor 302 to realize the rapid secondary positioning of drilling machine assembly 6, through the accurate control of the control terminal, ensure that the multiple hole spacing meets the design requirements, in the whole operation process, the rigid guide system formed by limiting rod 306 and mounting frame 305 effectively absorbs the lateral load, ensures that ball screw body 303 only bears the pure torque, and the four-point ground insertion support of auxiliary limiting mechanism 4 significantly reduces the platform vibration, and high-precision continuous drilling operation is realized.

[0037] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A highway bridge construction drilling platform, comprising a displacement platform (1), a drive machine cabin (2) is installed at the rear end of the displacement platform (1), characterized in that: The front of the driving machine bin (2) is provided with a transverse displacement mechanism (3), the left and right sides of the displacement platform (1) are provided with auxiliary limiting mechanisms (4), the transverse displacement mechanism (3) comprises a bearing frame (301), a driving motor (302), a ball screw body (303), a displacement load plate (307) and a ball nut body (308), the front end of the displacement platform (1) is fixedly installed with the bearing frame (301), the left end of the bearing frame (301) is fixedly installed with the driving motor (302), the transmission end of the driving motor (302) is fixedly connected with the ball screw body (303), the outer side of the ball screw body (303) is provided with the ball nut body (308), the upper end of the ball nut body (308) is fixedly installed with the displacement load plate (307), the upper end of the displacement load plate (307) is fixedly installed with a support frame (5), the support frame (5) is fixedly installed with a drilling machine assembly (6), the auxiliary limiting mechanism (4) comprises a first mounting table (401), a first inflatable plug rod (402), a second inflatable plug rod (403) and a first air supply pump (404), the left end of the displacement platform (1) is fixedly installed with the first mounting table (401), the front end of the first mounting table (401) is fixedly installed with the first inflatable plug rod (402), the rear end of the first mounting table (401) is fixedly installed with the second inflatable plug rod (403), and the middle part of the first mounting table (401) is fixedly installed with the first air supply pump (404).

2. A highway bridge construction drilling platform according to claim 1, characterized in that: The transverse displacement mechanism (3) further comprises a bearing bracket (304), the right end of the ball screw body (303) is installed with the bearing bracket (304), and the bearing bracket (304) is fixedly installed at the right end of the bearing frame (301).

3. A highway bridge construction drilling platform according to claim 2, characterized in that: The front and rear ends of the ball screw body (303) are provided with limiting rods (306), and the left and right sides of the limiting rods (306) are provided with mounting frames (305).

4. A highway bridge construction drilling platform according to claim 3, characterized in that: The mounting frames (305) are fixedly installed at the upper end of the bearing frame (301), and the limiting rods (306) are slidably connected with the displacement load plate (307).

5. The highway bridge construction drilling platform of claim 1, wherein: The first inflatable plug rod (402) and the second inflatable plug rod (403) are connected with the first air supply pump (404) through the air pipe, and the right end of the displacement platform (1) is fixedly installed with a second mounting table (405).

6. A highway bridge construction drilling platform according to claim 5, characterized in that: The front end of the second mounting table (405) is fixedly installed with a third inflatable plug rod (406), and the rear end of the second mounting table (405) is fixedly installed with a fourth inflatable plug rod (407).

7. A highway bridge construction drilling platform according to claim 6, characterized in that: The middle part of the second mounting table (405) is fixedly installed with a second air supply pump (408), and the third inflatable plug rod (406) and the fourth inflatable plug rod (407) are connected with the second air supply pump (408) through the air pipe.

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