Angle-variable pedal for large-dip-angle hydraulic support

Abstract

The utility model provides an angle-variable pedal plate for a large dip angle hydraulic support, which comprises side plates and a pedal plate, the pedal plate is hinged between the two side plates through a first hinge shaft and a second hinge shaft, the two side plates are both provided with first bottom holes for installing the first hinge shaft, and the second hinge shaft is provided with second bottom holes for installing the second hinge shaft. The two side plates are each provided with a second bottom hole and a second adjusting hole which are used for installing the second hinge shaft, the distance between the second bottom hole and the first bottom hole is equal to the distance between the second adjusting hole and the first bottom hole, and the first bottom hole and the second bottom hole are formed in the length extending direction of the side plates. The variable-angle pedal plate for the large-dip-angle hydraulic support has the advantages that when a coal face is horizontal or a dip angle exists on the coal face, the pedal plate can be kept in a horizontal state, flexibility and applicability are high, the side plates are arranged on the two sides of the pedal plate, people are prevented from missing steps when passing through the pedal plate, and safety of a pedestrian path is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a adjustable footboard for hydraulic support, specifically relates to a variable angle footboard for large inclination hydraulic support. BACKGROUND

[0002] Hydraulic support is the key equipment of fully mechanized complete equipment, can effectively support and control the coal face roof, ensures the safety working space necessary for worker operation and equipment operation. In order to ensure the safety of hydraulic support, the design of footboard and footboard is very important, the design of hydraulic support footpath must satisfy the basic requirement that the anti-skid footboard should be arranged under footpath, the footboard of hydraulic support is anti-skid footboard on footpath, and the design of hydraulic support footboard plays an important role in ensuring the smooth passing of underground workers and equipment in working face.

[0003] Due to the complexity of coal seam occurrence conditions, the coal seam inclination of the same mine changes greatly, in order to ensure the safety of underground workers, in fully mechanized large inclination working face, the footboard of hydraulic support also needs to be adjusted to the inclination angle, so as to offset the inclination of the base, keep the footboard horizontal and anti-skid, facilitate the walking of operators and improve the safety of personnel walking.

[0004] In the prior art, such as the angle adjustable step footboard mechanism for hydraulic support disclosed by Chinese utility model patent CN202322773524.1, the secondary step footboard is installed on the primary footboard of the hydraulic support base, when the working face inclination is small, the secondary step footboard can be removed, and only the primary footboard is used, when the working face inclination is large, the secondary step footboard is used, the inclination angle of the secondary step footboard can be adjusted, the overall structure is convenient to disassemble and store, and the use is limited, which can adapt to various working face environments. In addition, such as the step footboard and the hydraulic support containing the footboard disclosed by Chinese invention patent CN201610464205.4, the pad and the step body are movably connected, when the coal mining working face inclination changes, the pad can be adjusted to keep the pad parallel to the horizontal plane, so as to adapt to the inclination change of different terrains, improve the safety performance of the footboard, and reduce the construction difficulty and construction cost.

[0005] The technical solutions in the above disclosed documents are taken as examples, the adjustable footboard device of the hydraulic support currently has certain defects, one is that when the hydraulic support is arranged at a coal mining working face in a horizontal state or a small inclination angle (close to horizontal) state, the existing scheme needs to remove the adjustable footboard, the flexibility and applicability of the footboard are poor, the workload and operation difficulty of the hydraulic support support are increased, and the footboard is usually provided with patterns or non-slip pads for anti-skid, removing the footboard means removing the anti-skid measures, and the risk of slipping when personnel pass through is increased; the second is that the existing adjustable footboard of the hydraulic support does not provide a guard plate on both sides of the footboard, and the personnel has a risk of stepping out when passing through, and has certain risk.

[0006] In order to solve the above problems, people have been seeking an ideal technical solution. Content of the utility model

[0007] The utility model discloses a variable angle footboard for large inclination angle hydraulic support, which can keep horizontal state when the coal mining working face is horizontal or when the coal mining working face has an inclination angle, has high flexibility and applicability, and is provided with side plates on both sides of the footboard to prevent personnel from stepping out when passing through, thereby improving the safety of the pedestrian passage.

[0008] In order to achieve the above purpose, the utility model adopts the technical scheme of: including side plate and footboard, the footboard is hinged between two side plates through first hinged shaft and second hinged shaft, first bottom hole for installing the first hinged shaft is arranged on both side plates, second bottom hole and second adjusting hole for installing the second hinged shaft are arranged on both side plates, the interval between the second bottom hole and the second adjusting hole to the first bottom hole is equal, and the first bottom hole and the second bottom hole are arranged along the length extension direction of the side plate.

[0009] Based on the above, first adjusting hole for installing the first hinged shaft is arranged on both side plates, and the interval between the first bottom hole and the first adjusting hole to the second bottom hole is equal.

[0010] Based on the above, the first adjusting hole is provided with a plurality of first adjusting holes, and the interval of the plurality of first adjusting holes to the second bottom hole is consistent.

[0011] Based on the above, the first bottom hole and the second bottom hole are arranged at the lower end of the side plate, the first adjusting hole is arranged on the upper side of the first bottom hole, and the second adjusting hole is arranged on the upper side of the second bottom hole.

[0012] Based on the above, the second adjusting hole is provided with a plurality of second adjusting holes, and the interval of the plurality of second adjusting holes to the first bottom hole is consistent.

[0013] Based on the above, the opposite two sides of the pedal are fixedly provided with shaft sleeves, and the first hinge shaft and the second hinge shaft respectively pass through the two shaft sleeves.

[0014] Based on the above, a plurality of pedals are arranged between the two side plates.

[0015] Based on the above, the surface of the pedal is provided with anti-skid lines or anti-skid pads.

[0016] Based on the above, a bottom plate is further arranged, and the bottom plate is fixedly connected with the bottom ends of the two side plates to form a frame.

[0017] Based on the above, the bottom surface of the bottom plate is provided with an ear plate for connecting a hydraulic support base.

[0018] The utility model discloses relative prior art has substantial characteristics and progress, specifically speaking: the pedal is installed on the side plate through the first bottom hole, the second bottom hole, the second adjusting hole, and the pedal angle can be adjusted flexibly, when the hydraulic support is arranged in the horizontal state, the coal mining working face in the small inclination angle state or the coal mining working face in the large inclination angle state, the pedal installed on the side plate can be adjusted to the horizontal state or the state close to the horizontal state, the personnel passes through conveniently, and the higher applicability has, reduces the work load and the operation difficulty when the hydraulic support supports, and the pedal is installed on the two side plates through the first hinge shaft and the second hinge shaft, and the process of adjusting the pedal angle can be completed by rotating the pedal around the first hinge shaft, and the adjusting process is convenient and fast, and the higher adjusting flexibility has, and the two side plates can be used as the two side guards to prevent the personnel from stepping on the pedal when passing through, and the safety of the personnel passing through is increased.

[0019] Meanwhile, the pedal can be adjusted to the opposite inclination angle through the first adjusting hole and the second adjusting hole, the pedal can change the inclination angle relative to the side plate through the plurality of second adjusting holes, the frame is formed through the bottom plate and the two side plates, and the overall structural strength can be increased. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is the morphological diagram of the utility model on the horizontal working face;

[0021] Figure 2 It is the morphological diagram of the utility model on the working face with inclination angle;

[0022] Figure 3 It is Figure 2 the perspective state schematic diagram of the front view angle;

[0023] Figure 4 It is Figure 3 the structural detail schematic diagram of A in

[0024] Figure 5It is the application scene schematic diagram of the utility model;

[0025] In the drawing, the reference signs are:

[0026] Side plate 1, first bottom hole 101, second bottom hole 102, first adjusting hole 103, second adjusting hole 104;

[0027] Pedal 2, first hinged shaft 21, second hinged shaft 22, shaft sleeve 23;

[0028] Bottom plate 3, ear plate 31. DETAILED DESCRIPTION

[0029] The technical scheme of the utility model is described in further detail below through specific embodiments.

[0030] Embodiment 1

[0031] As Figures 1-5 shown, the variable-angle foot pedal for large-inclination hydraulic support of the embodiment comprises side plates 1 and a pedal 2, the pedal 2 is hinged between the two side plates 1 through first hinged shafts 21 and second hinged shafts 22, each of the two side plates 1 is provided with a first bottom hole 101 for mounting the first hinged shaft 21, each of the two side plates 1 is provided with a second bottom hole 102 and a second adjusting hole 104 for mounting the second hinged shaft 22, and the spacing between the second bottom hole 102 and the second adjusting hole 104 and the first bottom hole 101 is equal. The first hinged shaft 21 is mounted in the first bottom hole 101, while the second hinged shaft 22 can be selectively mounted in the second bottom hole 102 or the second adjusting hole 104, so that the pedal 2 can adjust its own inclination angle as needed.

[0032] In the embodiment, the two side plates 1 can be used to mount the pedal 2 and adjust the angle between the pedal 2 and the side plates 1, and the two side plates 1 are arranged on both sides of the pedal 2 and can serve as two side guards to prevent people from stepping off when passing through the pedal 2, thereby increasing the safety of passing through.

[0033] Alternatively, the first bottom hole 101 and the second bottom hole 102 are arranged at the lower end of the side plate 1, and the second adjusting hole 104 is arranged above the second bottom hole 102; in this way, the first bottom hole 101 and the second bottom hole 102 are closer to the lower end of the side plate 1, so that the side plate 1 can better play its role as a two-side guard to prevent people from stepping off when passing through.

[0034] When it is necessary to adjust the inclination angle of the pedal 2 between the two side plates 1, the second hinged shaft 22 is removed from the second bottom hole 102 or the second adjusting hole 104, while the first hinged shaft 21 does not need to be removed, so that the pedal 2 is rotated by a certain angle around the first hinged shaft 21, and then the second hinged shaft 22 is mounted in the second bottom hole 102 or the second adjusting hole 104, thereby completing the adjustment of the inclination angle of the pedal 2, and the adjustment process is convenient and fast.

[0035] The first bottom hole 101 and the second bottom hole 102 are arranged along the length extension direction of the side plate 1, when the footboard 2 is installed in the first bottom hole 101 and the second bottom hole 102 through the first hinged shaft 21 and the second hinged shaft 22, the footboard 2 can be parallel or close to parallel to the length extension direction of the side plate 1 (as shown in Figure 1 ). The first bottom hole 101 and the second bottom hole 102 are arranged along the length extension direction of the side plate 1, when the footboard 2 is installed in the first bottom hole 101 and the second bottom hole 102 through the first hinged shaft 21 and the second hinged shaft 22, the footboard 2 can be parallel or close to parallel to the length extension direction of the side plate 1 (as shown in Figure 2 ).

[0036] Alternatively, as shown in Figure 4 , the opposite sides of the footboard 2 are fixedly provided with shaft sleeves 23, the first hinged shaft 21 and the second hinged shaft 22 pass through the two shaft sleeves 23 respectively, so that the first hinged shaft 21 and the second hinged shaft 22 effectively support the footboard 2 from the opposite sides of the footboard 2, enhancing the stability of the footboard 2 on the side plate 1; when the shaft sleeves 23 on both sides of the footboard 2 are installed in the first bottom hole 101 and the second bottom hole 102 through the first hinged shaft 21 and the second hinged shaft 22, the footboard 2 can be parallel to the length extension direction of the side plate 1.

[0037] In actual application, as shown in Figure 1 , when the two side plates 1 are installed horizontally along the length extension direction on the hydraulic support base, and when the hydraulic support base is arranged on a coal mining face in a horizontal state or a state with a small inclination angle (close to horizontal), the footboard 2 can be installed on the two side plates 1 through the first bottom hole 101 and the second bottom hole 102, so that the footboard 2 is in a horizontal or close to horizontal state, facilitating personnel to pass through as a pedestrian passage. Figure 2 , Figure 5 , when the two side plates 1 are installed horizontally along the length extension direction on the hydraulic support base, and when the hydraulic support base is arranged on a coal mining face in a state with a large inclination angle, the footboard 2 can be installed on the two side plates 1 through the first bottom hole 101 and the second bottom hole 102, so that the footboard 2 is in a horizontal or close to horizontal state, facilitating personnel to pass through.

[0038] Alternatively, as shown in Figure 1 , Figure 2 , multiple footboards 2 are arranged between the two side plates 1 to adapt to hydraulic support bases with different widths.

[0039] Alternatively, the surface of the footboard 2 is provided with anti-skid lines or anti-skid pads to prevent personnel from slipping down when passing through, further increasing the safety of personnel passing through.

[0040] In the embodiment, the pedal 2 is installed on the side plate 1 through the first bottom hole 101, the second bottom hole 102 and the second adjusting hole 104, and the angle of the pedal 2 can be flexibly adjusted. When the hydraulic support is arranged on a coal mining working face in a horizontal state, a small inclination state or a large inclination state, the pedal 2 installed on the side plate 1 can be adjusted to a horizontal state or a state close to the horizontal state, facilitating personnel to pass through, and having high applicability, reducing the workload and operation difficulty when the hydraulic support is supported. The pedal 2 is installed on the two side plates 1 through the first hinge shaft 21 and the second hinge shaft 22, and the process of adjusting the angle of the pedal 2 can be completed by rotating the pedal 2 around the first hinge shaft 21. The adjustment process is convenient and fast, and has high adjustment flexibility. The two side plates 1 can be used as two side guards to prevent personnel from stepping on the pedal 2 when passing through, and increase the safety of personnel passing through.

[0041] Embodiment 2

[0042] In the embodiment, the second adjusting hole 104 is provided with a plurality of second adjusting holes 104, and the distances from the plurality of second adjusting holes 104 to the first bottom hole 101 are consistent, so that the pedal 2 can flexibly change the inclination angle of the pedal 2 relative to the side plate 1 through the plurality of second adjusting holes 104, further increasing the flexibility and applicability of the pedal 2.

[0043] Optionally, the maximum inclination angle of the pedal 2 relative to the length extension direction of the side plate 1 is 45 degrees. In this way, the pedal 2 can be arranged at an angle of 0 degrees, 45 degrees or any angle between 0 degrees and 45 degrees on the side plate 1 as needed, further increasing the flexibility and practicality of the pedal 2.

[0044] Embodiment 3

[0045] In the embodiment, as shown in Figure 3 , Figure 4 , the side plate is further provided with a first adjusting hole 103 for installing the first hinge shaft 21, and the first adjusting hole 103 has a function similar to that of the second adjusting hole 104.

[0046] Specifically, the first adjusting hole 103 is arranged on the upper side of the first bottom hole 101, and the distances from the plurality of first adjusting holes 103 to the second bottom hole 102 are consistent. Figure 4 As shown by the dashed line position of the pedal 2 in the embodiment, when the pedal 2 is installed on the side plate 1 through the second bottom hole 102, the first bottom hole 101 and the first adjusting hole 103, the angle of the pedal 2 can be flexibly adjusted.

[0047] In actual application, when the inclination angle of the hydraulic support base changes in the opposite direction, or in other similar situations where the pedal 2 needs to be adjusted to the opposite angle, only the installation positions of the first hinge shaft 21 and the second hinge shaft 22 in the first bottom hole 101, the second bottom hole 102, the first adjusting hole 103, and the second adjusting hole 104 need to be adjusted according to the needs, so as to adjust the pedal 2 to the opposite inclination angle, without the need to completely disassemble the side plate 1 and the pedal 2 of the foot pedal of the embodiment and turn them to the opposite direction, thereby further increasing the flexibility and applicability of the pedal 2 and the side plate 1, and further reducing the workload and operation difficulty during the support of the hydraulic support.

[0048] Optionally, the first bottom hole 101, the second bottom hole 102, the first adjusting hole 103, and the second adjusting hole 104 are symmetrically arranged on the two side plates 1.

[0049] Embodiment 4

[0050] In the embodiment, as shown in Figure 3 , Figure 4 , the bottom of the two side plates 1 is fixedly connected with a bottom plate 3, and the bottom plate 3 is fixedly connected with the bottom ends of the two side plates 1 and forms a frame, which can increase the overall structural strength and prevent the side plate 1 from being deformed.

[0051] Optionally, the bottom plate 3 is provided with an inspection window, which is arranged on the lower side of the pedal 2. When the hydraulic support oil circuit or accessories on the lower side of the foot pedal need to be repaired, the maintenance personnel can remove or rotate the pedal 2 through the first hinge shaft 21 and the second hinge shaft 22 to expose the inspection window on the lower side of the pedal 2, so as to complete the repair without completely disassembling the frame, thereby reducing the repair workload.

[0052] Optionally, as shown in Figure 3 , Figure 4 , Figure 5 , the bottom surface of the bottom plate 3 is provided with an ear plate 31 for connecting the hydraulic support base.

[0053] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application and not to limit them; although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the specific embodiments of the present application can be modified or some technical features can be replaced by equivalent ones; without departing from the spirit of the technical solutions of the present application, they should all be covered in the technical solution range of the present application claimed.

Claims

1. A variable angle footboard for large inclination hydraulic support, characterized in that, The utility model provides a kind of multi-level adjustable side plate, including side plate (1) and step (2), the step (2) is hinged between two the side plate (1) by first hinged shaft (21) and second hinged shaft (22), two the side plate (1) are equipped with first bottom hole (101) for installing the first hinged shaft (21), two the side plate (1) are equipped with second bottom hole (102) and second adjusting hole (104) for installing the second hinged shaft (22), the spacing between the second bottom hole (102) and the second adjusting hole (104) to the first bottom hole (101) is equal, the first bottom hole (101) and the second bottom hole (102) are arranged along the length extension direction of the side plate (1).

2. The variable angle footboard for large inclination hydraulic support according to claim 1, characterized in that, Two the side plate (1) are equipped with first adjusting hole (103) for installing the first hinged shaft (21), the spacing between the first bottom hole (101) and the first adjusting hole (103) to the second bottom hole (102) is equal.

3. The variable angle footboard for large inclination hydraulic support according to claim 2, characterized in that, The first adjusting hole (103) is provided with multiple, and the spacing of multiple the first adjusting hole (103) to the second bottom hole (102) is consistent.

4. The variable angle footboard for large inclination hydraulic support according to claim 2, characterized in that, The first bottom hole (101) and the second bottom hole (102) are arranged at the lower end of the side plate (1), the first adjusting hole (103) is arranged on the upper side of the first bottom hole (101), and the second adjusting hole (104) is arranged on the upper side of the second bottom hole (102).

5. The variable angle footboard for large inclination hydraulic support according to claim 1 or 2 or 3 or 4, characterized in that, The second adjusting hole (104) is provided with multiple, and the spacing of multiple the second adjusting hole (104) to the first bottom hole (101) is consistent.

6. The variable angle footboard for large inclination hydraulic support according to claim 1, characterized in that, Opposite sides of the step (2) are fixedly provided with a shaft sleeve (23), and the first hinged shaft (21) and the second hinged shaft (22) pass through the two shaft sleeves (23) respectively.

7. The variable angle footboard for large inclination hydraulic support according to claim 1, characterized in that, Multiple steps (2) are arranged between two the side plate (1).

8. The variable angle footboard for large inclination hydraulic support according to claim 1, characterized in that, The surface of the step (2) is provided with anti-skid lines or anti-skid pads.

9. The variable angle footboard for large inclination hydraulic support according to claim 1, characterized in that, The utility model also includes a bottom plate (3), which is fixedly connected to the bottom ends of the side plates (1) on both sides and forms a frame.

10. The variable angle footboard for large inclination hydraulic support according to claim 9, characterized in that, The bottom surface of the bottom plate (3) is provided with an ear plate (31) for connecting a hydraulic support base.

Images