CN218407497U - Liftable movable pedal device of large mining height hydraulic support - Google Patents
Liftable movable pedal device of large mining height hydraulic support Download PDFInfo
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- CN218407497U CN218407497U CN202223005476.3U CN202223005476U CN218407497U CN 218407497 U CN218407497 U CN 218407497U CN 202223005476 U CN202223005476 U CN 202223005476U CN 218407497 U CN218407497 U CN 218407497U
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- hydraulic support
- movable pedal
- frame
- mining height
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Abstract
The utility model relates to a hydraulic support technical field for large mining height working face coal mining, in particular to a liftable movable pedal device of a large mining height hydraulic support, which comprises a plurality of hydraulic support bases positioned at the end of a coal mining working face, a movable pedal frame is arranged on each hydraulic support base, a handrail frame is arranged at the edge of one side of the movable pedal frame, a lifting mechanism is arranged between the hydraulic support bases and the movable pedal frame, the lifting mechanism comprises a slideway seat arranged on the hydraulic support bases and two swinging rod frames which are arranged in a crossed way, the top of the swinging rod frame is hinged with the movable pedal frame, and the bottom of the swinging rod frame is respectively connected with the slideway seat in a sliding way; and pedal ladders connected with the movable pedal frames are arranged on the hydraulic support bases outside two ends of the coal face. The utility model has the advantages of simple structure, convenient disassembly, easy assembly, use of supports with different height types and convenient transportation.
Description
Technical Field
The utility model relates to a hydraulic support technical field, especially a liftable movable pedal device of big mining height hydraulic support are used in the mining of big mining height working face.
Background
The hydraulic support is one of the most main technical equipment of the comprehensive mechanized coal mining working face, coal mining operation is generally carried out by matching with a coal mining machine, for the arrangement of the hydraulic support, the middle support is arranged in front, the adjacent transition support lags behind the middle support for a short distance, and the adjacent end support lags behind the transition support for a short distance. The common working personnel walk on the working face through the pedals on the hydraulic support, the multiple pedals of the common support are arranged at the front big foot of the base, the pedals are arranged at the rear parts of the two upright posts except the front big foot of the pedal of the large mining height support, the distance between the large mining height support and a conveyer connected with the front part is compact, and the operation handle of the large mining height hydraulic support is arranged at the rear parts of the two upright posts or the front part of the front connecting rod, so the common working personnel walk from the big foot of the end support to the man-shaped passage from the middle support to the rear part of the upright post.
With the requirements of the current coal face, the height of the designed support is continuously innovated, the distance between the front big foot of the base is effectively reduced to achieve the purpose of reducing the length of the support on the premise of ensuring the width of a pedestrian passage at the rear part of the upright post of the rear hydraulic support, and the support strength and the lightweight design requirements of the hydraulic support can be effectively increased. Therefore, the width of the reserved pedestrians on the front big foot of the large mining height hydraulic support in the prior art cannot meet the requirements of the existing coal mining environment, great inconvenience is brought to the walking of workers, meanwhile, the workers are easy to step over and collide or cannot smoothly reach pedestrian channels at the rear part of the middle support stand column during operation, and great potential safety hazards exist.
Meanwhile, the pedals mentioned in the published patent application number of 201620481754.8 and the patent name of hydraulic support pedal device at the head and tail of the coal mine fully-mechanized mining face are welded and fixed by a steel frame, the heights of the pedals cannot be adjusted, the pedals cannot be suitable for supports with various heights, the occupied space is large, and the underground transportation and installation are inconvenient.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model discloses specifically adopt following technical scheme.
A lifting movable pedal device of a large mining height hydraulic support is designed, and comprises a plurality of hydraulic support bases positioned at the end of a coal face, wherein a movable pedal frame is arranged on each hydraulic support base, a handrail frame is arranged at the edge of one side of each movable pedal frame, a lifting mechanism is arranged between each hydraulic support base and each movable pedal frame, each lifting mechanism comprises a chute seat arranged on each hydraulic support base and two swing rod frames arranged in a crossed manner, the top of each swing rod frame is hinged with the corresponding movable pedal frame, and the bottom of each swing rod frame is respectively connected with the corresponding chute seat in a sliding manner;
and pedal ladders connected with the movable pedal frames are arranged on the hydraulic support bases outside two ends of the coal face.
Preferably, the surfaces of the movable pedal frame and the pedal ladder are sandblasted and coated with anti-slip paint.
Preferably, the bottom of each swing rod frame is provided with a sliding block, the bottom end face of each sliding channel seat is provided with two sliding grooves matched with the sliding blocks, and the sliding blocks are arranged in the sliding grooves in a sliding mode.
Preferably, rod seats are respectively arranged at two ends of the slideway seat.
Preferably, a plurality of limiting bolt holes for limiting the sliding block to move are reserved on the sliding track seat.
Preferably, the height of the foot ladder is higher than or equal to the height of the movable pedal frame rising to the highest position.
The beneficial effects of the utility model reside in that:
1. the utility model discloses under the ore deposit the staff from the step ladder to the plane department of activity footboard frame, can directly get into the pedestrian passageway of original reservation through the transition of activity footboard frame, prevent to lead to the fact pedestrian passageway discontinuity because the propulsion of coal face and hydraulic support move the frame, prevent that the personnel from stepping on empty, improve the security; the movable pedal frame is connected with the pedal ladder by a pin shaft, so that the movable pedal frame can be assembled when needed and is convenient to disassemble and maintain;
2. in the utility model, the two swing rod frames drive the movable pedal frame to lift through the movement of the sliding block in the sliding groove, so that the height of the movable pedal frame can be adjusted in real time to achieve the appropriate use height, the application of the supports with different height types is adapted, the use range is expanded, and the adaptability is improved; meanwhile, the movable pedal frame can be folded through the swing rod frame and transported to a working face, and excessive transportation space cannot be occupied in the transportation process, so that the purpose of facilitating transportation is achieved.
3. The utility model discloses well activity footboard frame passes through the otic placode with the rocker frame and hinges together with the round pin axle, can dismantle the two, is convenient for transport and assembles in the pit, and simple structure easily operates.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the mounting structure between the movable pedal frame and the step ladder;
fig. 3 and 4 are schematic views of the mounting structure between the movable pedal frame and the lifting mechanism;
fig. 5 is a schematic structural diagram of an application state of the present invention;
the reference numbers in the figures are: the device comprises a hydraulic support base 1, a movable pedal frame 2, a handrail frame 3, a step ladder 4, a rod seat 5, a slide rail seat 6, a swing rod frame 7, a slide groove 8, a limit bolt 9, a limit bolt hole 10, a slide block 11, a rotating shaft 12, an ear plate 13, a pin shaft 14 and a connecting seat 15.
Detailed Description
The preferred embodiments of the present invention will be described hereinafter with reference to the accompanying drawings, and it should be understood that the preferred embodiments described herein are merely for purposes of illustration and explanation, and are not intended to limit the present invention.
Example 1
A lifting movable pedal device of a large mining height hydraulic support comprises a plurality of hydraulic support bases 1 positioned at the end of a coal face, a movable pedal frame 2 is arranged on each hydraulic support base 1, a handrail frame 3 is arranged at the edge of one side of each movable pedal frame 2, the handrail frames 3 and the movable pedal frames 3 are fixed through hexagon bolts, and supports of the movable pedal frames 2 are mainly formed by welding angle steel.
The lifting mechanism is arranged between the hydraulic support base 1 and the movable pedal frame 2 and comprises a slide rail seat 6 and two swing rod frames 7 which are arranged on the hydraulic support base 1 in a crossed mode, the tops of the swing rod frames 7 are hinged to the movable pedal frame 2, ear plates 13 can be arranged at the bottoms of the swing rod frames 7, the swing rod frames 7 and the ear plates 13 are hinged to the hydraulic support base 1 through rotating shafts 12, the bottoms of the swing rod frames 7 are respectively connected with the slide rail seat 6 in a sliding mode, namely sliding blocks 11 are arranged at the bottoms of the two swing rod frames 7 respectively, the sliding blocks 11 can be made of round steel, two sliding grooves 8 matched with the sliding blocks 11 are arranged on the bottom end face of the slide rail seat 6 respectively, and the sliding blocks 11 are arranged in the sliding grooves 8 in a sliding mode, so that the sliding blocks 11 can move in the sliding grooves 8 in a reciprocating mode, and lifting of the movable pedal frame 8 is achieved.
A plurality of limiting bolt holes 10 for limiting the movement of the sliding block 11 are reserved on the sliding track seat 6. Can realize spacing to slider 11 in the spacing bolt hole 10 of different positions department through fixing spacing bolt 9 to reach the purpose of adjusting the height of activity footboard frame 2, thereby make this device can adapt to the support of multiple not co-altitude type.
The two ends of the slide way seat 6 are respectively provided with a rod seat 5, and a support rod can be arranged in the rod seat 5 to carry out standby auxiliary support on the movable pedal frame 2.
In order to facilitate the staff to get on the movable pedal frame 2 at any height through the foot ladder 4, the height of the foot ladder 4 is set to be higher than or equal to the height of the movable pedal frame 2 at the highest position.
A pedal ladder 4 connected with the movable pedal frame 2 is arranged on the hydraulic support base 1 on the outer side of two ends of the coal mining working face, a connecting seat 15 can be arranged below one side of the pedal ladder 4, the connecting seat 15 is fixedly connected with the slide way seat 6 by a pin shaft 14, the connecting strength can be ensured by fixing the connecting seat with the pin shaft 14, and the hydraulic support base is easy to disassemble; the side of the foot step 4 is in the shape of a stair, the foot step 4 is formed by welding steel plates into a box shape, the steel plates at the contact position with the underground ground adopt a two-side profiling mode, the phenomenon of bottom pricking due to over-softness of the underground ground is prevented, and the foot step has the characteristic of easy movement. The surfaces of the movable pedal frame 2 and the pedal ladder 4 are subjected to sand blasting treatment and coated with anti-skid paint, so that the wear resistance and the anti-skid effect are improved, and a plurality of bulges can be arranged on the surface of the movable pedal frame 2 to achieve the anti-skid effect.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for some of the features thereof; any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A lifting movable pedal device of a large mining height hydraulic support comprises a plurality of hydraulic support bases (1) positioned at the end of a coal face, a movable pedal frame (2) is arranged on each hydraulic support base (1), and a handrail frame (3) is arranged at the edge of one side of each movable pedal frame (2), and is characterized in that a lifting mechanism is arranged between each hydraulic support base (1) and each movable pedal frame (2), the lifting mechanism comprises a slideway seat (6) arranged on each hydraulic support base (1) and two swinging rod frames (7) arranged in a crossed mode, the top of each swinging rod frame (7) is hinged to each movable pedal frame (2), and the bottom of each swinging rod frame is in sliding connection with the slideway seat (6);
the hydraulic support base (1) at the outer sides of the two ends of the coal face is provided with a foot step (4) which is connected with the movable pedal frame (2).
2. The high mining height hydraulic support liftable movable pedal device according to claim 1, characterized in that: the surfaces of the movable pedal frame (2) and the pedal ladder (4) are sandblasted and coated with anti-skid paint.
3. The high mining height hydraulic support liftable movable pedal device according to claim 1, characterized in that: the bottom of the two swing rod frames (7) is respectively provided with a sliding block (11), the bottom end face of the slide way seat (6) is respectively provided with two sliding grooves (8) matched with the sliding blocks (11), and the sliding blocks (11) are arranged in the sliding grooves (8) in a sliding mode.
4. The high mining height hydraulic support liftable movable pedal device of claim 1 or 3, characterized in that: and rod seats (5) are respectively arranged at two ends of the slideway seat (6).
5. The large mining height hydraulic support liftable movable pedal device according to claim 3, characterized in that: a plurality of limiting bolt holes (10) for limiting the sliding blocks (11) to move are reserved in the sliding channel seat (6).
6. The large mining height hydraulic support liftable movable pedal device of claim 1, characterized in that: the height of the foot ladder (4) is higher than or equal to the height of the movable pedal frame (2) at the highest position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223005476.3U CN218407497U (en) | 2022-11-11 | 2022-11-11 | Liftable movable pedal device of large mining height hydraulic support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223005476.3U CN218407497U (en) | 2022-11-11 | 2022-11-11 | Liftable movable pedal device of large mining height hydraulic support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218407497U true CN218407497U (en) | 2023-01-31 |
Family
ID=85008544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223005476.3U Active CN218407497U (en) | 2022-11-11 | 2022-11-11 | Liftable movable pedal device of large mining height hydraulic support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218407497U (en) |
-
2022
- 2022-11-11 CN CN202223005476.3U patent/CN218407497U/en active Active
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