Sliding connection device for production under dynamic load action of mining machinery

Abstract

The utility model discloses a sliding connection device for production under the action of dynamic load of mining machinery, which comprises a steel column and a steel beam, the steel column is arranged on the steel beam in the third direction, the bottom of the steel column is provided with a bottom plate, and the steel beam is provided with a sliding component and a limiting component; the PTFE plate is simple in structure and reasonable in design, the friction coefficient of the PTFE plate is extremely low, the PTFE plate has the characteristics of high lubricity and no adhesion, the stainless steel plate has better smoothness than a common steel plate, and the contact surface of the PTFE plate and the stainless steel plate serves as a free sliding surface to realize free sliding, so that the applicability of mining machinery projects to dynamic load or temperature shrinkage is met, and the service life of the mining machinery projects is prolonged. The bearing capacity and the structural stability are higher, the service life of mining machinery projects is prolonged, the structure is simplified, and workshop machining and manufacturing are easy.

Description

Technical Field

[0001] The utility model relates to the technical field of practicality and safety of structural design of mining machinery projects, and specifically relates to a sliding connection device for mining machinery to be produced under dynamic load. Background Art

[0002] Mining machinery is machinery directly used for mineral mining and enrichment, including mining machinery and mineral processing machinery. The working principle and structure of prospecting machinery are mostly the same or similar to those of mining machinery used for mining similar minerals. In a broad sense, prospecting machinery also belongs to mining machinery. In addition, a large number of cranes, conveyors, ventilators and drainage machinery are also used in mining operations.

[0003] Deficiencies of existing technology:

[0004] At present, the sliding connection device of mining machinery has limited bearing capacity and cannot effectively prevent damage to the structure caused by dynamic loads and temperature shrinkage. In addition, the friction coefficient between the ordinary plates used is high, which cannot achieve free sliding and cannot meet other performance requirements such as high bearing capacity, stability and high temperature resistance in many aspects. Utility Model Content

[0005] The purpose of the utility model is to provide a sliding connection device for production under dynamic load of mining machinery, so as to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned object, the present invention provides the following technical solution: a sliding connection device for mining machinery under dynamic load, comprising a steel column and a steel beam, which are arranged in a first direction, a second direction, and a third direction along the length, width, and height of the steel beam, respectively; the steel column is arranged on the steel beam in the third direction, a bottom plate is provided at the bottom of the steel column, and a sliding assembly and a limit assembly are provided on the steel beam, wherein the sliding assembly comprises:

[0007] A PTFE plate, the PTFE plate being arranged on the surface of the steel beam;

[0008] A stainless steel plate is fixed below the base plate by a plurality of countersunk screws.

[0009] Preferably, widening plates are installed on both sides of the steel beam in the second direction.

[0010] Preferably, the limiting component includes:

[0011] a first baffle, the first baffle being arranged on the widened plate and the first baffle being arranged on the inner side of the steel column;

[0012] Two second baffles, the two second baffles are arranged on both sides of the PTFE plate in the second direction, and the two second baffles are arranged on the widened plate;

[0013] Two third baffles, wherein the two third baffles are arranged above the steel beam;

[0014] Two fourth baffles are arranged above the steel beam, and the two fourth baffles are respectively connected to the two third baffles by bolts and fixed to both sides of the steel column in the first direction.

[0015] Preferably, a stiffening plate is provided below the steel beam at a position corresponding to the steel column.

[0016] Preferably, a gap of 50 mm is left between the first baffle and the bottom plate.

[0017] Preferably, the PTFE plate, the stainless steel plate and the bottom plate have consistent external dimensions.

[0018] Preferably, the first direction, the second direction and the third direction are perpendicular to each other.

[0019] Compared with the prior art, the beneficial effects of the present invention are:

[0020] 1. A sliding connection device for production under dynamic load of mining machinery is provided with a sliding component, which includes a PTFE plate and a stainless steel plate. The PTFE plate has an extremely low friction coefficient and has high lubricity and non-adhesion properties. The stainless steel plate has better smoothness than ordinary steel plates. The contact surface of the PTFE plate and the stainless steel plate acts as a free sliding surface to achieve free sliding, so as to meet the applicability of the mining machinery project to dynamic loads or temperature shrinkage, have higher bearing capacity and structural stability, promote the service life of the mining machinery project, and on the other hand simplify the structure and facilitate workshop processing and manufacturing.

[0021] 2. This sliding connection device for production under dynamic load of mining machinery is provided with a limit assembly, which includes a first baffle, two second baffles, two third baffles and two fourth baffles, to prevent the PTFE plate from sliding out and deviating too much from its original position, thereby preventing safety risks such as structural instability, thereby improving the practicality and safety of the entire sliding connection device. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0023] Figure 2 This is a side structural diagram of the present utility model;

[0024] Figure 3This is a schematic diagram of the top structure of the utility model;

[0025] In the figure: 110, steel column; 120, steel beam; x, first direction; y, second direction; z, third direction; 130, base plate; 141, PTFE plate; 142, stainless steel plate; 150, widening plate; 161, first baffle; 162, two second baffles; 163, two third baffles; 164, two fourth baffles; 165, bolt; 170, stiffening plate. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described 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.

[0027] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like to indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0028] In the description of this patent, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "connected," and "disposed" should be understood broadly. For example, they can refer to fixed connection or disposition, detachable connection or disposition, or integrated connection or disposition. Those skilled in the art will understand the specific meanings of the above terms in this patent based on the specific circumstances.

[0029] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of such features. In the description of this utility model, "several" means two or more, unless otherwise specifically defined.

[0030] Example

[0031] See also Figure 1-3As shown, the present invention provides a technical solution for a sliding connection device for production under dynamic load of mining machinery: comprising a steel column 110 and a steel beam 120, wherein the length direction, width direction and height direction of the steel beam 120 are respectively a first direction x, a second direction y and a third direction z, and the first direction x, the second direction y and the third direction z are perpendicular to each other; the steel column 110 is arranged on the steel beam 120 in the third direction z, a bottom plate 130 is arranged at the bottom of the steel column 110, a sliding assembly and a limit assembly are arranged on the steel beam 120, the sliding assembly includes a PTFE plate 141 and a stainless steel plate 142, PTFE The FE plate 141 is arranged on the surface of the steel beam 120, and the stainless steel plate 142 is fixed to the bottom of the base plate 130 by setting a number of countersunk screws. The friction coefficient of the PTFE plate 141 is extremely low, and it has high lubricity and non-adhesion properties. The stainless steel plate 142 has better smoothness than ordinary steel plates. The contact surface between the PTFE plate 141 and the stainless steel plate 142 acts as a free sliding surface to achieve free sliding to meet the applicability of the mining machinery project to dynamic loads or temperature shrinkage. It has higher bearing capacity and structural stability, promotes the service life of the mining machinery project, and on the other hand simplifies the structure and is easy to process and manufacture in the workshop.

[0032] Furthermore, widening plates 150 are installed on both sides of the steel beam 120 in the second direction y, and the widening plates 150 increase the width of the steel beam 120. The limiting assembly includes a first baffle 161, two second baffles 162, two third baffles 163 and two fourth baffles 164. The first baffle 161 is arranged on the widening plate 150, and the first baffle 161 is arranged on the inner side of the steel column 110. A 50mm gap is left between the first baffle 161 and the bottom plate 130. The two second baffles 162 are arranged on both sides of the PTFE plate 141 in the second direction y. The two second baffles 162 are arranged on the widening plate 150, the two third baffles 163 are arranged above the steel beam 120, and the two fourth baffles 164 are arranged above the steel beam 120. The two fourth baffles 164 are connected to the two third baffles 163 by bolts 165 respectively. 3 and fixed on both sides of the steel column 110 in the first direction x, which can prevent the steel column 110 from moving in the first direction x. The first baffle 161 and the two second baffles 162 are provided to prevent the stainless steel plate 142 from deviating too much from the PTFE plate 141 during use of mining machinery projects. The friction coefficient between the PTFE plate 141 and the stainless steel plate 142 is extremely low. The PTFE plate 141 moves in the second direction y. The two third baffles 163 and the two fourth baffles 164 are provided to prevent the PTFE plate 141 from moving in the first direction x, preventing the PTFE plate 141 from slipping out and deviating too much from its original position, thereby causing safety risks such as structural instability, thereby improving the practicality and safety of the entire sliding connection device. A stiffening plate 170 is provided below the steel beam 120 corresponding to the steel column 110 to enhance the rationality of the structural force.

[0033] Furthermore, the external dimensions of the PTFE plate 141, the stainless steel plate 142 and the base plate 130 are consistent, the thickness of the PTFE plate 141 is 10 mm, the thickness of the stainless steel is 4 mm, the two fourth baffles 164 adopt PL50*75, and the length of the two fourth baffles 164 is slightly larger than the base plate 130, the two third baffles 163 adopt PL20*100, and the length of the two third baffles 163 is slightly larger than the base plate 130, the two second baffles 162 adopt PL5*5, and the length of the two second baffles 162 is slightly smaller than the base plate 130, and the first baffle 161 adopts PL20*30, and the length of the first baffle 161 is slightly smaller than the two second baffles 162.

[0034] The working principle of this utility model is as follows:

[0035] The sliding connection device of the present embodiment, which is produced under the action of dynamic load of mining machinery, is provided with a sliding component when in use. The sliding component includes a PTFE plate and a stainless steel plate. The friction coefficient of the PTFE plate is extremely low, and it has high lubricity and non-stick properties. The stainless steel plate has better smoothness than ordinary steel plates. The contact surface between the PTFE plate and the stainless steel plate acts as a free sliding surface to achieve free sliding, so as to meet the applicability of the mining machinery project to dynamic loads or temperature shrinkage. It has higher bearing capacity and structural stability, promotes the service life of the mining machinery project, and on the other hand simplifies the structure and is easy to process and manufacture in the workshop. By providing a limiting component, the limiting component includes a first baffle, two second baffles, two third baffles and two fourth baffles, so as to prevent the PTFE plate from sliding out and deviating too much from its original position, thereby causing safety risks such as structural instability, thereby improving the practicality and safety of the entire sliding connection device.

[0036] The above shows and describes the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely preferred examples of the present invention and are not intended to limit the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and improvements fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.

Claims

1. A sliding connection device for mining machinery under dynamic load, comprising a steel column (110) and a steel beam (120), characterized in that: The length direction, width direction and height direction of the steel beam (120) are respectively set as a first direction (x), a second direction (y) and a third direction (z); the steel column (110) is arranged on the steel beam (120) in the third direction (z), a bottom plate (130) is provided at the bottom of the steel column (110), and a sliding component and a limiting component are provided on the steel beam (120), and the sliding component includes: A PTFE plate (141), the PTFE plate (141) being arranged on the surface of the steel beam (120); A stainless steel plate (142) is fixed below the bottom plate (130) by arranging a plurality of countersunk screws.

2. The sliding connection device for mining machinery under dynamic load according to claim 1, characterized in that: Widening plates (150) are installed on both sides of the steel beam (120) in the second direction (y).

3. The sliding connection device for mining machinery under dynamic load according to claim 2, characterized in that: The limiting component includes: a first baffle (161), the first baffle (161) being arranged on the widening plate (150), and the first baffle (161) being arranged inside the steel column (110); Two second baffles (162), the two second baffles (162) being arranged on both sides of the PTFE plate (141) in the second direction (y), and the two second baffles (162) being arranged on the widening plate (150); Two third baffles (163), the two third baffles (163) being arranged above the steel beam (120); Two fourth baffles (164), the two fourth baffles (164) are arranged above the steel beam (120), and the two fourth baffles (164) are respectively connected to the two third baffles (163) through bolts (165) and fixed to both sides of the steel column (110) in the first direction (x).

4. The sliding connection device for mining machinery under dynamic load according to claim 1, characterized in that: A stiffening plate (170) is provided below the steel beam (120) at a position corresponding to the steel column (110).

5. The sliding connection device for mining machinery under dynamic load according to claim 3, characterized in that: A gap of 50 mm is left between the first baffle (161) and the bottom plate (130).

6. The sliding connection device for mining machinery under dynamic load according to claim 1, characterized in that: The PTFE plate (141), the stainless steel plate (142), and the bottom plate (130) have consistent external dimensions.

7. The sliding connection device for mining machinery under dynamic load according to claim 1, characterized in that: The first direction (x), the second direction (y), and the third direction (z) are perpendicular to each other.

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