阅读说明：本技术 一种轨道车用步进机构 (stepping mechanism for rail car ) 是由 武国胜 陈超飞 翟新童 高彬彬 张海涛 于 2019-09-30 设计创作，主要内容包括：本发明提供了一种轨道车用步进机构,一种轨道车用步进机构,其特征在于：该步进机构包括底盘、滑动机构及移动机构,所述滑动机构包括若干个在水平方向平行设置的滑杆,每一个滑杆的两端均在竖直方向设置有一支地油缸,每一个所述滑杆的一端安装在其中一个支地油缸上,该滑杆的另一端穿过底盘后安装在另一个支地油缸上,所述移动机构包括伸缩驱动机构,该伸缩驱动机构的一端固定在底盘上,该伸缩驱动机构的另一端与所述滑杆相连,该步进机构极大的降低了人工劳动强度,提高了矿工的人身安全。(The invention provides a stepping mechanism for a rail car, which is characterized in that: this step mechanism includes chassis, slide mechanism and moving mechanism, slide mechanism includes the slide bar of a plurality of at horizontal direction parallel arrangement, and the both ends of each slide bar all are provided with a ground hydro-cylinder in vertical direction, each the one end of slide bar is installed on one of them ground hydro-cylinder, and the other end of this slide bar passes and installs on another ground hydro-cylinder after the chassis, moving mechanism includes flexible actuating mechanism, and this flexible actuating mechanism's one end is fixed on the chassis, this flexible actuating mechanism's the other end with the slide bar links to each other, and this step mechanism is very big has reduced artifical intensity of labour, has improved miner's personal safety.)

1. the utility model provides a step mechanism for railcar which characterized in that: this step mechanism includes chassis (1), slide mechanism and moving mechanism, slide mechanism includes slide bar (2) of a plurality of at horizontal direction parallel arrangement, and the both ends of each slide bar (2) all are provided with one ground hydro-cylinder (3) in vertical direction, each the one end of slide bar (2) is installed on one of them ground hydro-cylinder (3), and install on another ground hydro-cylinder (3) after the other end of this slide bar (2) passes chassis (1), moving mechanism includes flexible actuating mechanism (4), and the one end of this flexible actuating mechanism (4) is fixed on chassis (1), the other end of this flexible actuating mechanism (4) with slide bar (2) link to each other.

2. The stepping mechanism for a railway vehicle as claimed in claim 1, wherein: the chassis (1) comprises an underframe (103), a rotating device (102) and a top frame (101), wherein the underframe (103), the rotating device (102) and the top frame (101) are sequentially arranged from bottom to top.

3. The stepping mechanism for a railway vehicle as claimed in claim 2, wherein: the two ends of the top frame (101) are respectively provided with a sliding sleeve (1011), one end of the sliding rod (2) is installed on one of the ground oil cylinders (3), and the other end of the sliding rod (2) penetrates through the two sliding sleeves (1011) in sequence and then is installed on the other ground oil cylinder (3).

4. the stepping mechanism for a railway vehicle as claimed in claim 2, wherein: the slewing device (102) comprises a driving motor (5), a worm (501) and a slewing bearing structure, wherein the output end of the driving motor (5) is connected with the worm (501), the slewing bearing structure comprises a worm wheel (502) and an inner ring (503), the worm wheel (502) is meshed with the worm (501), the inner ring (503) is sleeved in the worm wheel (502), and the inner ring (503) is rotatably connected with the worm wheel (502).

5. The stepping mechanism for a railway vehicle as claimed in claim 4, wherein: the bottom of roof-rack (101) is provided with connecting bearing (1012), the top of chassis (103) is provided with axle sleeve (1031), be provided with between connecting bearing (1012) and axle sleeve (1031) transmission shaft (6), the one end setting of this transmission shaft (6) is in connecting bearing (1012), and the other end of transmission shaft (6) passes inner circle (503) and sets up in axle sleeve (1031) after, transmission shaft (6) with inner circle (503) transmission connection.

6. The stepping mechanism for a railway vehicle as claimed in claim 1, wherein: the telescopic driving mechanism (4) is any one of an electric push rod, an air cylinder and a hydraulic cylinder.

7. the stepping mechanism for a railway vehicle as claimed in claim 1, wherein: the number of the sliding rods (2) is 2.

Technical Field

The invention relates to the technical field of underground coal mine transportation equipment materials, in particular to a stepping mechanism for a rail car.

Background

The underground coal mine is usually paved with a track for transporting equipment materials, the ground materials are transported to the underground through a rail vehicle, but the track is paved to be incapable of covering the whole underground roadway, so that the material equipment still needs to be carried by manpower, great labor intensity is brought to miners, and higher potential safety hazards exist.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provides a stepping mechanism for a rail car, which greatly reduces the labor intensity of workers and improves the personal safety of miners.

the technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a stepping mechanism for railcar, this stepping mechanism includes chassis, slide mechanism and moving mechanism, slide mechanism includes a plurality of slide bar at horizontal direction parallel arrangement, and the both ends of each slide bar all are provided with a ground hydro-cylinder in vertical direction, each the one end of slide bar is installed on one of them ground hydro-cylinder, and the other end of this slide bar passes and installs on another ground hydro-cylinder after the chassis, moving mechanism includes flexible actuating mechanism, and this flexible actuating mechanism's one end is fixed on the chassis, this flexible actuating mechanism's the other end with the slide bar links to each other.

Further, the chassis comprises an underframe, a rotating device and a top frame, wherein the underframe, the rotating device and the top frame are sequentially arranged from bottom to top.

furthermore, sliding sleeves are respectively arranged at two ends of the top frame, one end of the sliding rod is installed on one of the ground supporting oil cylinders, and the other end of the sliding rod penetrates through the two sliding sleeves in sequence and then is installed on the other ground supporting oil cylinder.

Furthermore, slewer includes driving motor, worm and slewing bearing structure, driving motor's output links to each other with the worm, slewing bearing structure includes worm wheel and inner circle, the worm wheel meshes with the worm mutually, the inner circle cover is established in the worm wheel and the inner circle is connected with the worm wheel rotation.

Furthermore, the bottom of the top frame is provided with a connecting bearing, the top of the bottom frame is provided with a shaft sleeve, a transmission shaft is arranged between the connecting bearing and the shaft sleeve, one end of the transmission shaft is arranged in the connecting bearing, the other end of the transmission shaft penetrates through the inner ring and then is arranged in the shaft sleeve, and the transmission shaft is in transmission connection with the inner ring.

Furthermore, the telescopic driving mechanism is any one of an electric push rod, an air cylinder and a hydraulic cylinder.

Furthermore, the number of the slide bars is 2.

The beneficial effects of the invention are mainly shown in the following aspects: the rail car normally runs on the rail, when the rail car runs to a destination, the ground supporting oil cylinder falls down, the whole rail car is lifted to be separated from the rail, then the telescopic driving mechanism is adjusted to drive the sliding rod to transversely slide, and the sliding rod drives the chassis to transversely move in the transverse moving process due to the ground supporting oil cylinder, and the sliding rod and the top frame generate certain sliding displacement due to sliding friction in the transverse moving process, so that the stepping of the rail car is realized; by arranging the rotating device, the underframe can lift off the ground when the oil cylinder supports the ground, and can rotate, so that the original ground degree can be adjusted and the direction can be changed, and the conditions of turning and turning around in a narrow space can be met; the stepping mechanism greatly reduces the labor intensity of workers and improves the personal safety of miners.

Drawings

FIG. 1 is a schematic structural diagram of the ground supporting state of the ground supporting cylinder of the present invention;

FIG. 2 is a schematic structural diagram of the chassis ground supporting state of the present invention;

FIG. 3 is a schematic top view of the present invention;

FIG. 4 is a schematic view of the construction of the turning gear of the present invention;

FIG. 5 is a schematic view of the construction of the slewing device, undercarriage and overhead gantry of the present invention;

The labels in the figure are: 1. the device comprises a chassis, 101, a top frame, 1011, a sliding sleeve, 1012, a connecting bearing, 102, a rotating device, 103, a bottom frame, 1031, a shaft sleeve, 2, a sliding rod, 3, a ground supporting oil cylinder, 4, a telescopic driving mechanism, 5, a driving motor, 501, a worm, 502, a worm wheel, 503, an inner ring, 6 and a transmission shaft.

Detailed Description

The embodiments of the present invention are described in detail with reference to the accompanying drawings, and the embodiments and specific operations of the embodiments are provided on the premise of the technical solution of the present invention, but the scope of the present invention is not limited to the following embodiments.

According to the attached drawings, the stepping mechanism for the rail car comprises a chassis 1, a sliding mechanism and a moving mechanism, wherein the sliding mechanism comprises a plurality of sliding rods 2 which are arranged in parallel in the horizontal direction, the number of the sliding rods 2 is 2, two ends of each sliding rod 2 are respectively provided with a ground supporting oil cylinder 3 in the vertical direction, one end of each sliding rod 2 is installed on one ground supporting oil cylinder 3, the ground supporting oil cylinders 3 play a role in supporting the sliding rods 2 in the vertical direction, and meanwhile, the ground supporting oil cylinders 3 can also play a role in adjusting the height of the sliding rods 2 in the vertical direction and can support the chassis to be lifted off;

the other end of the slide bar 2 passes through the chassis 1 and then is installed on the other ground supporting oil cylinder 3, the moving mechanism comprises a telescopic driving mechanism 4, one end of the telescopic driving mechanism 4 is fixed on the chassis 1, and the other end of the telescopic driving mechanism 4 is connected with the slide bar 2. The telescopic driving mechanism 4 is any one of an electric push rod, an air cylinder and a hydraulic cylinder;

the chassis 1 comprises a base frame 103, a rotating device 102 and a top frame 101, wherein the base frame 103, the rotating device 102 and the top frame 101 are sequentially arranged from bottom to top, sliding sleeves 1011 are respectively arranged at two ends of the top frame 101, one end of a sliding rod 2 is arranged on one of the ground oil cylinders 3, and the other end of the sliding rod 2 sequentially penetrates through the two sliding sleeves 1011 and then is arranged on the other ground oil cylinder 3.

the slewing device 102 comprises a driving motor 5, a worm 501 and a slewing bearing structure, wherein the output end of the driving motor 5 is connected with the worm 501, the slewing bearing structure comprises a worm wheel 502 and an inner ring 503, the worm wheel 502 is meshed with the worm 501, the inner ring 503 is sleeved in the worm wheel 502, and the inner ring 503 is rotatably connected with the worm wheel 502;

A connecting bearing 1012 is arranged at the bottom of the top frame 101, a shaft sleeve 1031 is arranged at the top of the bottom frame 103, a transmission shaft 6 is arranged between the connecting bearing 1012 and the shaft sleeve 1031, the top end of the transmission shaft 6 is arranged in the connecting bearing 1012, the bottom end of the transmission shaft 6 penetrates through the inner ring 503 and then is arranged in the shaft sleeve 1031, and the transmission shaft 6 is in transmission connection with the inner ring 503;

the worm 501 can be controlled by the driving motor 5 to rotate, the worm 501 drives the worm wheel 502 to move, the worm wheel 502 further drives the inner ring 503 to rotate, the inner ring 503 rotates to drive the transmission shaft 6 to rotate, and the transmission shaft 6 can drive the shaft sleeve 1031 to further drive the chassis 103 to realize in-situ 360-degree turning direction so as to meet the conditions of turning and turning around in a narrow space;

The top end of the transmission shaft 6 is arranged in the connecting bearing 1012, the bottom end of the transmission shaft 6 passes through the inner ring 503 and then is arranged in the shaft sleeve 1031, and the transmission shaft 6 is in transmission connection with the inner ring 503;

The rotating device can also be two motors, one of the motors is arranged on the underframe, the output end of the motor is connected with the underframe, when the oil cylinder is supported on the ground, the underframe is lifted off the ground, and the motor can drive the underframe to rotate, so that the purpose of adjusting the direction is realized; the other motor is arranged on the top frame, the output end of the motor is connected with the top frame, when the ground supporting oil cylinder 3 needs to be lifted, and the bottom frame 103 is in a ground supporting state, the motor can drive the top frame to rotate, so that the top frame 101 can be turned in place by 360 degrees, and the conditions of turning and turning around in a narrow space are met;

Through setting up slewer, can realize when the hydro-cylinder ground, the chassis liftoff, the chassis can rotate. In the normal transportation process, the rail car normally runs on the rail, when the rail car runs to a destination, the ground supporting oil cylinder 3 falls down, the whole rail car is lifted to be separated from the rail, then the telescopic driving mechanism 4 is adjusted to drive the sliding rod 2 to transversely slide, and as the ground supporting oil cylinder 3 is in a ground supporting state, the sliding rod drives the chassis 1 to transversely move in the transverse moving process, and in the process, the sliding rod 2 and the top frame 101 generate certain sliding displacement due to sliding friction to realize stepping of the rail car; when the ground supporting oil cylinder 3 is in a ground supporting state, the transmission shaft can be driven by the rotating device 102 so as to enable the underframe 103 to realize in-situ 360-degree turning direction, so that the conditions of turning and turning around in a narrow space are met;

when the ground supporting oil cylinder 3 needs to be lifted and the bottom frame 103 is in a ground supporting state, the relative position between the sliding rod 2 and the top frame 101 can be adjusted through the telescopic driving mechanism 4, the labor intensity of miners is reduced, and a safer working environment is provided.

it is further noted that relational terms such as i, ii, and iii may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.