Rocker arm overhanging uncovering structure

Abstract

The utility model relates to the technical field of overhanging uncovering structures, and discloses a rocker arm overhanging uncovering structure which comprises a bottom frame, two main supporting rods, inclined rods, a connecting frame and handrails, the bottom frame is horizontally arranged, the two main supporting rods are vertically fixed to the upper end of the bottom frame, and the edge of the upper end of the bottom frame is connected with the upper portions of the main supporting rods through the inclined rods. The connecting frame is vertically fixed between the upper portions of the two main supporting rods, two sets of handrails are symmetrically arranged on the two sides, located in front of the main supporting rods, of the upper end of the bottom frame, an inlet is reserved between the two sets of handrails, and a rocker arm mechanism is arranged on the connecting frame. The rocker arm mechanism comprises a cylinder mounting frame, a cylinder and a rocker, the cylinder mounting frame is fixed to the rear side of the connecting frame in a downward inclined mode, the upper end of the front portion of the cylinder mounting frame is connected with the upper portion of the rear side of the connecting frame through a mounting frame connecting rod, and a cylinder rear hinge seat is arranged on the rear side in the cylinder mounting frame. The device is simple in structure, reliable in work and high in efficiency.

Description

TECHNICAL FIELD

[0001] The utility model relates to cantilevered open cover structure technical field, especially to a kind of rocker arm cantilevered open cover structure. BACKGROUND

[0002] The infiltration technology is an effective measure to solve the leakage of castings in the mechanical manufacturing industry. By the method of vacuum pressurization, the infiltration liquid is infiltrated into the defects such as loose and porosity of the castings, and after solidification, it fills the micropores of the castings, thereby solving the leakage problem and achieving the purpose of sealing and pressure bearing. During the infiltration and cleaning processes after infiltration, the workpieces need to be placed in the workpiece frame for processing. Therefore, the workpiece frame loaded with the workpieces needs to be handled during operation.

[0003] In the prior art, manual handling or equipment handling is mainly used. Manual handling has high work intensity, low efficiency and certain danger. The equipment handling currently mainly uses special lifting equipment, and the structure thereof is usually complex and has high cost. UTILITY MODEL CONTENT

[0004] In order to overcome the deficiencies of the prior art, the utility model aims to provide a rocker arm cantilevered open cover structure different from the existing structure, which has simple structure, reliable work and high efficiency.

[0005] The utility model adopts the following technical scheme: a rocker arm cantilevered open cover structure, comprising a bottom frame, main support rods, inclined rods, a connecting frame and railings. The bottom frame is horizontally arranged. Two main support rods are vertically fixed at the upper end of the bottom frame. The upper end edge of the bottom frame and the upper part of the main support rod are connected by an inclined rod. The connecting frame is vertically fixed between the upper parts of the two main support rods. Two railings are symmetrically arranged on both sides of the front of the main support rod at the upper end of the bottom frame. An entrance is left between the two railings. A rocker arm mechanism is arranged on the connecting frame.

[0006] Further, the rocker arm mechanism comprises a cylinder mounting bracket, a cylinder and a rocker. The cylinder mounting bracket is fixedly arranged on the rear side of the connecting frame in a downward inclination. The upper end of the front part of the cylinder mounting bracket is connected to the upper part of the rear side of the connecting frame by a mounting bracket connecting rod. A cylinder rear hinge seat is arranged on the rear side of the cylinder mounting bracket. Two bearing seats are symmetrically fixed on the front side of the connecting frame. Two rotating shafts are symmetrically fixed on both sides of the middle part of the rocker. The rotating shafts are rotatably arranged in the two bearing seats, so that the rocker can rotate in the two bearing seats by means of the two rotating shafts on both sides. A rocker hinge seat is fixed on the rear end of the rocker. The rear part of the cylinder is hingedly arranged in the cylinder rear hinge seat. The front part of the cylinder is hingedly arranged with the rocker hinge seat. The cylinder is arranged in the cylinder mounting bracket. A cantilever seat is fixed on the front end of the rocker.

[0007] Further, the upper part of the inclined rod is fixed with a hand valve seat, and a hand valve for controlling the air cylinder ventilation switch is fixed on the hand valve seat.

[0008] Further, four bottom frame connecting seats are symmetrically fixed on the four end corners of the bottom end of the bottom frame.

[0009] Further, the inner side of the end of the two groups of railings is symmetrically provided with an inner guide block, and the outer side of the upper part of the two groups of railings is provided with an outer guide block.

[0010] Compared with the prior art, the beneficial effects of the utility model lie in that the utility model discloses a rocker arm cantilever unloading structure, through the guidance of the outer guide block and the inner guide block and the blocking of the two groups of railings, the transport trolley carrying the material frame is moved to a suitable cantilever position, the front end of the air cylinder is used for pulling the rocker hinge seat, the rocker is rotated in the two bearing seats through the rotation shafts on the two sides, the lifting frame is lifted, the structure is simple, the work is reliable, and the efficiency is high. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is the three-dimensional structure schematic view of the utility model;

[0012] Figure 2 It is the left view of the utility model;

[0013] Figure 3 It is the three-dimensional structure schematic view of the rocker arm mechanism in the utility model.

[0014] In the drawing: rocker arm mechanism-2; lifting frame-3; bottom frame-11; main support rod-12; bottom frame connecting seat-111; inclined rod-13; connecting frame-14; railing-15; outer guide block-151; inner guide block-152; hand valve seat-16; hand valve-17; air cylinder mounting frame-21; air cylinder-22; rocker-23; air cylinder rear hinge seat-24; mounting frame connecting rod-25; rocker hinge seat-26; rotation shaft-27; bearing seat-28. DETAILED DESCRIPTION

[0015] The embodiments of the utility model will be described below through specific concrete examples, and the person skilled in the art can easily understand other advantages and effects of the utility model from the content disclosed in the specification. The utility model can also be implemented or applied through another different concrete embodiment, and each detail in the specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the utility model. It should be noted that the following examples and the features in the examples can be combined with each other without conflict.

[0016] The utility model aims at the defects of the prior art and provides a rocker arm cantilever unloading structure.

[0017] Example 1

[0018] This embodiment provides a rocker arm cantilever opening structure, as shown in the reference. Figures 1-2 As shown, the structure includes a base frame 11, main support rods 12, diagonal braces 13, connecting frames 14, and railings 15. The base frame 11 forms a rectangular frame and is horizontally positioned. Four base frame connecting seats 111 are symmetrically welded and fixed to the four corners of its bottom end. Each base frame connecting seat 111 has fixing holes, which securely fix the base frame 11 horizontally for foundation support. Two main support rods 12 are vertically fixed to the upper end of the base frame 11. The upper edge of the base frame 11 is connected to the upper part of the main support rods 12 by diagonal braces 13, forming a stable triangular support structure among the main support rods 12, diagonal braces 13, and base frame 11. The connecting frame 14 is vertically fixed between the upper parts of the two main support rods 12. Two sets of railings 15 are symmetrically arranged on both sides of the upper end of the bottom frame 11 in front of the main support rods 12 to block the transport trolley carrying the material frame. An inlet is left between the two sets of railings 15. A rocker arm mechanism 2 is provided on the connecting frame 14 to suspend the material frame on the transport trolley. Inner guide blocks 152 are symmetrically arranged on the inner side of the ends of the two sets of railings 15, and outer guide blocks 151 are arranged on the upper outer side of the two sets of railings 15, allowing the transport trolley to move to a suitable cantilever position under the guidance of the outer guide blocks 151 and the inner guide blocks 152.

[0019] Reference Figure 3 As shown, the rocker arm mechanism 2 includes a cylinder mounting bracket 21, a cylinder 22, and a rocker arm 23. The cylinder mounting bracket 21 is fixed downwardly at the rear side of the connecting frame 14. The upper front end of the cylinder mounting bracket 21 is connected to the upper rear side of the connecting frame 14 via a mounting bracket connecting rod 25. A cylinder rear hinge seat 24 is provided inside the rear side of the cylinder mounting bracket 21. Two bearing seats 28 are symmetrically fixed at the front side of the connecting frame 14. Two rotating shafts 27 are symmetrically fixed on both sides of the middle part of the rocker arm 23. The rotating shafts 27 are rotatably installed in the two bearing seats 28, so that the rocker arm 23 can rotate in the two bearing seats 28 using the two rotating shafts 27 on both sides. A rocker arm hinge seat 26 is fixed at the rear end of the rocker arm 23. The rear part of the cylinder 22 is hinged in the cylinder rear hinge seat 24, and the front part of the cylinder 22 is hinged to the rocker arm hinge seat 26. The cylinder 22 is located inside the cylinder mounting bracket 21. A cantilever seat 3 is fixed at the front end of the rocker arm 23.

[0020] Reference Figure 1 As shown, a hand-operated valve seat 16 is fixed on the upper part of the diagonal rod 13, and a hand-operated valve 17 for controlling the air supply switch of the cylinder 22 is fixed on the hand-operated valve seat 16. The hand-operated valve 17 can be the 4HV43015 type hand-operated valve in the prior art.

[0021] The embodiment provides a cantilevered opening cover structure of a rocker arm, which is horizontally and stably fixed through a bottom frame connecting seat 111 symmetrically welded on four end corners of a bottom frame 11 for foundation support. When in use, a transport trolley carrying a material frame is moved to a suitable cantilevered position under the guidance of outer guide blocks 151 and inner guide blocks 152 and under the blockage of two groups of railings 15 in front of the main support rod 12, so that the cantilevered seat 3 is clamped in the clamping hole of the material frame. The hand valve 17 is manually rotated to open the air inlet pipe of the air cylinder 22, so that the air cylinder 22 is actuated, the front end of the air cylinder 22 pulls the rocker hinge seat 26, so that the rocker 23 is rotated in the two bearing seats 28 through the two rotating shafts 27 on the two sides, the cantilevered seat 3 is driven to rise, and the material frame cover is cantilevered, the structure is simple, the work is reliable, the efficiency is high, and the material frame can be replaced by manual moving. It should be noted that the utility model can be matched with the rotating base structure in the prior art, the bottom frame 11 is fixed on the rotating base structure through the bottom frame connecting seat 111, so that the rotation and placement of the material frame after being cantilevered can be realized, and the use scene is further expanded.

[0022] Furthermore, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the present specification is described in this way only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. A rocker arm cantilever opening structure, characterized in that: The system includes a base frame (11), main support rods (12), diagonal rods (13), connecting frame (14), and railings (15). The base frame (11) is horizontally positioned, and the two main support rods (12) are vertically fixed to the upper end of the base frame (11). The upper edge of the base frame (11) is connected to the upper part of the main support rods (12) by diagonal rods (13). The connecting frame (14) is vertically fixed between the upper parts of the two main support rods (12). Two sets of railings (15) are symmetrically arranged on both sides in front of the main support rods (12) at the upper end of the base frame (11). An inlet is left between the two sets of railings (15). A rocker arm mechanism (2) is provided on the connecting frame (14).

2. The rocker arm cantilever opening structure according to claim 1, characterized in that: The rocker arm mechanism (2) includes a cylinder mounting bracket (21), a cylinder (22), and a rocker arm (23). The cylinder mounting bracket (21) is fixed downwards at the rear side of the connecting frame (14). The upper front end of the cylinder mounting bracket (21) is connected to the upper rear side of the connecting frame (14) via a mounting bracket connecting rod (25). A cylinder rear hinge seat (24) is provided inside the rear side of the cylinder mounting bracket (21). Two bearing seats (28) are symmetrically fixed on the front side of the connecting frame (14). The rocker arm (23) is symmetrically fixed on both sides of the middle part. There are two rotating shafts (27), which are rotatably mounted in two bearing seats (28), so that the rocker arm (23) can rotate in the two bearing seats (28) using the two rotating shafts (27) on both sides. The rear end of the rocker arm (23) is fixed with a rocker arm hinge seat (26). The rear part of the cylinder (22) is hinged in the cylinder rear hinge seat (24). The front part of the cylinder (22) is hinged to the rocker arm hinge seat (26). The cylinder (22) is located in the cylinder mounting bracket (21). The front end of the rocker arm (23) is fixed with a cantilever seat (3).

3. The rocker arm cantilever opening structure according to claim 1 or 2, characterized in that: A hand-operated valve seat (16) is fixed on the upper part of the inclined rod (13), and a hand-operated valve (17) for controlling the air supply switch of the cylinder (22) is fixed on the hand-operated valve seat (16).

4. The rocker arm cantilever opening structure according to claim 3, characterized in that: Four bottom frame connecting seats (111) are symmetrically fixed at the four corners of the bottom end of the bottom frame (11).

5. The rocker arm cantilever opening structure according to claim 3, characterized in that: The inner sides of the ends of the two sets of railings (15) are symmetrically provided with inner guide blocks (152), and the upper outer sides of the two sets of railings (15) are provided with outer guide blocks (151).

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