Supporting platform mechanism of large electric movable type floor boring machine

Abstract

The utility model relates to the technical field of crane manufacturing, in particular to a supporting platform mechanism of a large electric movable floor boring machine. The supporting platform mechanism comprises a bottom plate, a platform and a running mechanism. The two ends of the platform are arranged on the upper plate face of the bottom plate through linear sliding rail pairs in the width direction of the bottom plate. A stepped hole is formed in the middle of the platform, and the small-diameter section of the stepped hole is located below the large-diameter section of the stepped hole. An auxiliary supporting assembly used for supporting the middle of the platform is assembled in an inner cavity of the stepped hole. The auxiliary supporting assembly comprises a supporting lead screw with the lower end extending out of the stepped hole, a rocker is arranged at the top of the supporting lead screw, a rod body is screwed to the small-diameter section of the stepped hole, and a supporting base is universally hinged to the bottom of the supporting lead screw. The precision and the supporting strength of a large-span platform can be guaranteed through the linear sliding rail pair and the auxiliary supporting assembly, then a workpiece can be accurately installed, and the technical problems that in the prior art, the ground reference error is large, and the workpiece is difficult to install are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of crane manufacturing, in particular to a large-scale electric movable floor-standing boring support platform mechanism. Background Art

[0002] Due to the large size of crane components, which basically exceed the width of the fixed worktable of the floor-standing boring and milling machine, when marking and clamping such workpieces, one of the support points often needs to be suspended on the ground outside the worktable. Affected by the ground reference error, the workpiece requires the cooperation of multiple people, repeated measurement and leveling, resulting in a large waste of manpower and equipment time, which has become a major pain point in the processing process.

[0003] Therefore, we designed a large electric mobile floor-standing boring support platform mechanism. Utility Model Content

[0004] In order to overcome the deficiencies in the background technology, the utility model discloses a large-scale electric movable floor-standing boring support platform mechanism.

[0005] In order to achieve the above utility model purpose, the utility model adopts the following technical solutions:

[0006] A large electric mobile floor-standing boring support platform mechanism, comprising:

[0007] Bottom plate,

[0008] The platform, both ends of which are arranged on the upper surface of the bottom plate through linear slide rails along the width direction of the bottom plate; a step hole is arranged in the middle of the platform, and the small diameter section of the step hole is located below the large diameter section; an auxiliary support assembly for supporting the middle of the platform is assembled in the inner cavity of the step hole; the auxiliary support assembly includes a support screw with the lower end extending out of the step hole, a rocker is arranged on the top of the support screw, the rod body is screwed to the small diameter section of the step hole, and the bottom is universally hinged with a support base;

[0009] The operating mechanism is used to drive the platform to move along the width direction of the base plate.

[0010] Preferably, the support screw is connected to the support base via a spatial spherical pair.

[0011] Preferably, the operating mechanism comprises a rack arranged at the middle of the upper surface of the bottom plate along the width direction of the bottom plate and a motor arranged on the platform, and the motor output shaft is provided with a gear meshing with the rack.

[0012] Preferably, a recessed portion is provided in the middle of the upper surface of the bottom plate along its width direction.

[0013] Preferably, the auxiliary support assembly is arranged at a position of the platform corresponding to the recessed portion.

[0014] Preferably, a supporting nail assembly perpendicular to the platform is provided in the middle of the upper surface of the platform.

[0015] Preferably, a group of two opposite ends on both sides of the platform are provided with buffers; and a support is provided at one end of the linear slide rail auxiliary slide rail portion corresponding to the buffer.

[0016] Preferably, two opposite ends of another group on both sides of the platform are provided with laser ranging sensors.

[0017] Preferably, a rail clamp is provided on the side of the platform.

[0018] Preferably, the upper surface of the base plate is provided with a square tube along its width direction for clamping by the rail clamp.

[0019] Due to the adoption of the above-mentioned technical solution, the utility model has the following beneficial effects:

[0020] 1. The utility model is arranged outside the boring and milling machine worktable, and ensures the accuracy and support strength of the large-span platform through a linear slide pair and an auxiliary support assembly, so that the workpiece can be accurately installed, solving the technical problem of large ground reference error and difficulty in installing the workpiece in the prior art.

[0021] 2. Assist in setting up the specific structure of the support components and increase the structural strength of the platform. While solving the problem of large platform span and weak strength in the middle force-bearing position, it can also avoid damage to the joints of parts caused by non-vertical force components. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a structural schematic diagram of the utility model;

[0023] Figure 2 It is a top view of the utility model;

[0024] Figure 3 for Figure 2 A local enlarged view of I in FIG.

[0025] Figure 4 It is a structural schematic diagram of the auxiliary support assembly of the utility model.

[0026] In the figure: 1, bottom plate; 11, recessed portion; 2, platform; 21, stepped hole; 3, linear slide pair; 31, support; 4, auxiliary support assembly; 41, supporting screw; 42, rocker; 43, supporting base; 5, operating mechanism; 51, rack; 52, motor; 53, gear; 6, supporting nail assembly; 7, buffer; 8, laser ranging sensor; 9, track clamp; 10, square tube. DETAILED DESCRIPTION

[0027] The present invention can be explained in detail through the following embodiments. The purpose of disclosing the present invention is to protect all technical improvements within the scope of the present invention. In the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "front", "back", "left", "right", etc. to indicate directions or positional relationships, they only correspond to the drawings of the present application, in order to facilitate the description of the present invention; it should be understood that if there are terms such as "end", "side", "end part", "lateral", "lateral", "transverse", "longitudinal", etc. to indicate directions or positional relationships, they only correspond to the length and width of the corresponding parts, that is, "end part" indicates the head and tail areas in the length direction of the corresponding part, and "side part" indicates the head and tail areas in the width direction of the corresponding part; this is for the convenience of describing the present invention, rather than indicating or implying that the device or element referred to must have a specific direction.

[0028] Embodiment 1, in combination with the attached Figure 1-4 A large electric mobile floor-standing boring support platform mechanism includes a base plate 1, a platform 2 and a running mechanism 5 for driving the platform 2 to move along the width direction of the base plate 1; the two ends of the platform 2 are arranged on the upper surface of the base plate 1 through linear slide rails 3 along the width direction of the base plate 1; that is to say: the upper surface of the base plate 1 is provided with linear slide rails 3 at positions corresponding to the two ends of the platform 2, and the sliding parts of the linear slide rails 3 are connected with the corresponding ends of the platform 2. A step hole 21 is provided in the middle of the platform 2, and the small diameter section of the step hole 21 is located below the large diameter section; the inner cavity of the step hole 21 is equipped with an auxiliary support assembly 4 for supporting the middle of the platform 2; the auxiliary support assembly 4 includes a support screw 41 with the lower end extending out of the step hole 21, a rocker 42 is provided on the top of the support screw 41, the rod body is screwed to the small diameter section of the step hole 21, and the bottom is universally hinged with a support base 43. That is, the support screw 41 can be rotated by the rocker 42, so that the support screw 41 drives the support base 43 to descend and be supported on the upper surface of the bottom plate 1, thereby realizing the function of supporting the middle part of the platform 2 and preventing the platform 2 from deforming downward.

[0029] As required, the support screw 41 and the support base 43 can be connected by a spatial spherical pair or a universal joint. It should be noted that the spatial spherical pair can be understood as including a sphere provided on the bottom surface of the support screw 41 or the top surface of the support base 43 and a spherical groove provided on the top surface of the support base 43 or the bottom surface of the support screw 41. The universal joint between the support screw 41 and the support base 43 is achieved by the cooperation of the sphere and the spherical groove.

[0030] When in use, a support nail assembly 6 is provided in the middle of the upper surface of the platform 2 and is perpendicular thereto, and the workpiece is supported by the support nail assembly 6. As required, the support nail assembly 6 includes a screw vertically screwed to the platform 2. As required, the support nail assembly 6 may also include a mounting block having a screw hole matching the screw, and the mounting block is fixedly connected to the upper surface of the platform 2.

[0031] In one embodiment, the operating mechanism 5 can be a motor-screw-slider assembly, which drives the screw to rotate through the motor, thereby driving the slider to move, and the slider is connected to the platform 2 to drive the platform 2 to move.

[0032] In one embodiment, the operating mechanism 5 includes a rack 51 provided in the middle of the upper surface of the bottom plate 1 along the width direction of the bottom plate 1 and a motor 52 provided on the platform 2, and the output shaft of the motor 52 is provided with a gear 53 meshing with the rack 51; that is, the motor 52 drives the gear 53 to rotate, and under the action of the rack 51, the gear 53 moves and then drives the platform 2 to move. As needed, the motor 52 adopts a three-in-one structure of a brake, a reducer and a motor.

[0033] Furthermore, in order to meet the installation space for installing the operating mechanism 5 and the auxiliary support assembly 4, a recessed portion 11 is provided in the middle of the upper plate surface of the bottom plate 1 along its width direction. Specifically, the auxiliary support assembly 4 is provided at a position of the platform 2 corresponding to the recessed portion 11. Specifically, the rack 51 is installed on the inner bottom surface of the recessed portion 11.

[0034] According to needs, in order to improve the position accuracy of the platform after movement, a group of laser ranging sensors 8 are provided at two opposite ends on both sides of the platform 2; that is, the laser ranging sensor 8 can provide real-time feedback on the platform position data to realize the function of automatically moving the platform, which has a high degree of intelligence and can be operated by a single person, thereby improving work efficiency.

[0035] Embodiment 2, combined with the attached Figure 1-2 A large electric mobile floor-standing boring support platform mechanism, based on the first embodiment, in order to prevent the platform 2 from moving beyond the stroke, the other two opposite ends of the two sides of the platform 2 are provided with buffers 7; the linear slide rail pair 3 has a support 31 at one end of the slide rail corresponding to the buffer 7; that is, when the platform 2 is in the extreme position, the buffer 7 acts as a buffer to avoid safety accidents caused by negligence during human operation. According to needs, a limit switch connected to the signal of the operating mechanism 5 is provided in the buffer 7, that is, when the buffer 7 is squeezed, the limit switch in it works, so that the operating mechanism 5 can no longer continue to operate.

[0036] Embodiment 3, in combination with the attached Figure 1-2 A large electric mobile floor-standing boring support platform mechanism is provided. On the basis of the first or second embodiment, in order to improve the stability of the position of the platform 2 during operation, a rail clamp 9 is provided on the side of the platform 2.

[0037] As needed, the upper surface of the base plate 1 is provided with a square tube 10 for clamping by the rail clamp 9 along its width direction, so that the square tube 10 can replace the linear slide rail pair 3 and the slide rail portion is clamped by the rail clamp 9 and deformed, which will not affect the accuracy of the linear slide rail pair 3.

[0038] The parts of the present invention that are not described in detail are prior art. It is obvious to those skilled in the art that the present invention is not limited to the details of the above-mentioned exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive, and it is intended that all changes that fall within the meaning and scope of equivalent elements are included in the present invention.

Claims

1. A large electric mobile floor-standing boring support platform mechanism, characterized in that: include: Bottom plate (1), A platform (2), both ends of which are arranged on the upper surface of the bottom plate (1) through a linear guide rail pair (3) along the width direction of the bottom plate (1); a step hole (21) is provided in the middle of the platform (2), and the small diameter section of the step hole (21) is located below the large diameter section; an auxiliary support assembly (4) for supporting the middle of the platform (2) is assembled in the inner cavity of the step hole (21); the auxiliary support assembly (4) comprises a support screw (41) whose lower end extends out of the step hole (21), a rocker (42) is provided on the top of the support screw (41), a rod body is screwed to the small diameter section of the step hole (21), and a support base (43) is universally hinged at the bottom; The operating mechanism (5) is used to drive the platform (2) to move along the width direction of the base plate (1).

2. The large electric mobile floor-standing boring support platform mechanism according to claim 1 is characterized by: The supporting screw (41) and the supporting base (43) are connected via a spatial spherical pair.

3. The large electric mobile floor-standing boring support platform mechanism according to claim 1 is characterized in that: The operating mechanism (5) comprises a rack (51) arranged in the middle of the upper surface of the bottom plate (1) along the width direction of the bottom plate (1) and a motor (52) arranged on the platform (2), and the output shaft of the motor (52) is provided with a gear (53) meshing with the rack (51).

4. The large electric mobile floor-standing boring support platform mechanism according to claim 1 is characterized by: A recessed portion (11) is provided in the middle of the upper plate surface of the bottom plate (1) along its width direction.

5. The large electric mobile floor-standing boring support platform mechanism according to claim 4 is characterized by: The auxiliary support component (4) is arranged at a position of the platform (2) corresponding to the recessed portion (11).

6. The large electric mobile floor-standing boring support platform mechanism according to claim 1 is characterized by: A supporting nail assembly (6) perpendicular to the platform (2) is provided in the middle of the upper surface of the platform (2).

7. The large electric mobile floor-standing boring support platform mechanism according to claim 1 is characterized by: A buffer (7) is provided at one of two opposite end portions of one set of two sides of the platform (2); and a support (31) is provided at one end of the slide rail portion of the linear slide rail pair (3) corresponding to the buffer (7).

8. The large electric mobile floor-standing boring support platform mechanism according to claim 7 is characterized in that: Laser distance measuring sensors (8) are provided at two opposite ends of another group on both sides of the platform (2).

9. The large electric mobile floor-standing boring support platform mechanism according to claim 1 is characterized by: A rail clamp (9) is provided on the side of the platform (2).

10. The large electric mobile floor-standing boring support platform mechanism according to claim 9, characterized in that: The upper plate surface of the bottom plate (1) is provided with a square tube (10) along its width direction for clamping by the rail clamp (9).

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