阅读说明：本技术 一种铁路自翻车倾翻机构限位装置 (Railway is from tipping gear stop device ) 是由 张春发 孟越 刘起峰 庞秋燕 赵明 吴胜财 于 2019-10-08 设计创作，主要内容包括：本发明公开了一种铁路自翻车倾翻机构限位装置,涉及铁路货车技术领域,包括：连杆机构,所述连杆机构包括长连杆,所述长连杆一端通过销与底架转动连接,所述长连杆另一端连接有短连杆,所述短连杆一端设置有限位柱；缓冲装置,所述缓冲装置一端设置有折叠导向机构,所述缓冲装置通过折叠导向机构连接在短连杆的一端,所述缓冲装置中部设置有缓冲机构,所述缓冲机构一端通过销与车厢转动连接；该装置在自翻车车厢倾翻到位时对车厢进行限位,并且具有缓冲装置,降低倾翻速度,避免因车箱倾翻速度过快造成“扣斗事故”。(The invention discloses a railway automatic dumping car tipping mechanism limiting device, which relates to the technical field of railway freight cars and comprises the following components: the connecting rod mechanism comprises a long connecting rod, one end of the long connecting rod is rotatably connected with the underframe through a pin, the other end of the long connecting rod is connected with a short connecting rod, and one end of the short connecting rod is provided with a limiting column; the buffer device is connected to one end of the short connecting rod through the folding guide mechanism, the buffer mechanism is arranged in the middle of the buffer device, and one end of the buffer mechanism is rotatably connected with the carriage through a pin; the device limits the carriage when the self-dumping carriage is dumped in place, and is provided with a buffer device to reduce the dumping speed and avoid the 'bucket buckling accident' caused by the over-high dumping speed of the carriage.)

1. A railway tipper tilting mechanism stop device, its characterized in that, the device includes:

the connecting rod mechanism comprises a long connecting rod, one end of the long connecting rod is rotatably connected with the underframe through a pin, the other end of the long connecting rod is connected with a short connecting rod, and one end of the short connecting rod is provided with a limiting column;

the buffer device is characterized in that one end of the buffer device is provided with a folding guide mechanism, the buffer device is connected to one end of the short connecting rod through the folding guide mechanism, the middle of the buffer device is provided with a buffer mechanism, and one end of the buffer mechanism is rotatably connected with the carriage through a pin.

2. The railway rollover mechanism limiting device according to claim 1, wherein the fold guide mechanism comprises a connecting plate having an offset long kidney hole formed therein.

3. The railway rollover mechanism limiting device according to claim 2, wherein the connecting plate is fixedly connected to one end of the cushioning device, and the offset oblong hole is engaged with a pin at one end of the short link.

4. The railway rollover mechanism limiting device according to claim 1, wherein the buffer mechanism comprises a spring, a housing is arranged outside the spring, a buffer pull rod is arranged inside the spring, and a limiting ring is arranged on the buffer pull rod.

5. The railway rollover mechanism limiting device according to claim 4, wherein one end of the housing is fixedly connected with the connecting plate, the other end of the housing is provided with a cover plate, a limiting hole is formed in the center of the cover plate, and the buffer pull rod is installed in the limiting hole.

6. The railway rollover mechanism limiting device according to claim 4, wherein one end of the spring is fixedly connected with the buffer pull rod, and the outer diameter of the limiting ring is larger than the inner diameter of the limiting hole.

7. The railway rollover mechanism limiting device according to claim 6, wherein a carriage limiting block is arranged on one side of the buffer pull rod, and the carriage limiting block is arranged on one side of the buffer pull rod connecting hole below the carriage.

8. The railway rollover mechanism limiting device according to claim 1, wherein the short connecting rods are each provided with a slot-clamping structure at both ends, and the limiting columns are fixed in mounting grooves of the slot-clamping structures.

9. The railway automatic dumping car mechanism limiting device of claim 1, wherein one end of the long connecting rod connected with the short connecting rod is provided with a long waist hole, and the end part of the long connecting rod outside the long waist hole is provided with an oblique sharp corner.

10. The railway rollover mechanism limiting device according to claim 9, wherein the long kidney hole is engaged with a pin at one end of the short link, and the oblique tip angle is slidably engaged with the limiting post to form a guide structure for the short link and the long link when folded.

Technical Field

The invention belongs to the technical field of railway wagons, and particularly relates to a limiting device for a tipping mechanism of a railway automatic dumping car.

Background

The railway self-dumping car is a special vehicle combining unloading equipment and a vehicle structure, and is suitable for transporting bulk goods such as ore, gravel, coal blocks, building materials and the like. Railway tippers have tipping cargo beds. During the unloading operation, the tipping mechanism of the vehicle pushes the carriage to tip to any side, and the goods in the carriage are guided to flow out.

The tipping mechanism of some railway self-dumping cars is not provided with a limiting device, so that the accident of side tipping of the carriage, namely the 'bucket buckling accident', is easy to happen. Some motorcycle types have set up stop device, but its principle relies on the mechanism member to contact the support that constitutes with the automobile body to reach spacing purpose mostly, and this kind of structure causes the member to warp easily, loses limit function. In addition, the existing limiting device lacks a buffer function, the tipping speed of the carriage is too high, and the 'bucket buckling accident' is easily caused and the tipping mechanism is damaged.

Disclosure of Invention

The invention aims to solve the problems in the prior art, and provides a limiting device of a railway self-dumping car tipping mechanism, which limits a car when the self-dumping car is tipped in place, is provided with a buffer device, reduces the tipping speed and avoids the 'bucket buckling accident' caused by the over-high tipping speed of the car.

In order to achieve the above object, the present invention provides a railway tipper tilting mechanism limiting device, comprising:

the connecting rod mechanism comprises a long connecting rod, one end of the long connecting rod is rotatably connected with the underframe through a pin, the other end of the long connecting rod is connected with a short connecting rod, and one end of the short connecting rod is provided with a limiting column;

the buffer device is characterized in that one end of the buffer device is provided with a folding guide mechanism, the buffer device is connected to one end of the short connecting rod through the folding guide mechanism, the middle of the buffer device is provided with a buffer mechanism, and one end of the buffer mechanism is rotatably connected with the carriage through a pin.

Optionally, the folding guide mechanism includes a connecting plate, and the connecting plate is provided with an offset long waist hole.

Optionally, the connecting plate is fixedly connected with one end of the buffer device, and the offset long waist hole is matched with a pin at one end of the short connecting rod.

Optionally, the buffer mechanism comprises a spring, a housing is arranged outside the spring, a buffer pull rod is arranged inside the spring, and a limit ring is arranged on the buffer pull rod.

Optionally, one end of the shell is fixedly connected with the connecting plate, the other end of the shell is provided with a cover plate, a limiting hole is formed in the center of the cover plate, and the buffering pull rod is installed in the limiting hole.

Optionally, one end of the spring is fixedly connected with the buffer pull rod, and the outer diameter of the limiting ring is larger than the inner diameter of the limiting hole.

Optionally, a carriage limiting block is arranged on one side of the buffer pull rod, and the carriage limiting block is installed on one side of a buffer pull rod connecting hole below the carriage.

Optionally, both ends of the short connecting rod are arranged to be of a clamping groove type structure, and the limiting column is fixed in a mounting groove of the clamping groove type structure.

Optionally, one end of the long connecting rod connected with the short connecting rod is provided with a long waist hole, and an inclined sharp corner is arranged at the end of the long connecting rod outside the long waist hole.

Optionally, the long waist hole is matched with a pin at one end of the short connecting rod, and the oblique sharp corner is matched with the limiting column in a sliding mode to form a guide structure for folding the short connecting rod and the long connecting rod.

The invention provides a limiting device for a tipping mechanism of a railway self-dumping car, which has the beneficial effects that: the device is mainly formed by processing and manufacturing the rod piece and the plate, the process is simple, all the parts are connected through the cylindrical pins, and the installation is convenient. When the railway self-dumping car carriage is tilted for limiting, the long waist holes and the limiting blocks are arranged on the rod pieces, so that the limiting device can smoothly contract to the folding position when the carriage is reset. The device is provided with a buffer device, reduces the tipping speed and avoids the 'bucket buckling accident' caused by the over-high tipping speed of the carriage.

Additional features and advantages of the invention will be set forth in the detailed description which follows.

Drawings

The above and other objects, features and advantages of the present invention will become more apparent by describing in more detail exemplary embodiments thereof with reference to the attached drawings, in which like reference numerals generally represent like parts throughout.

Fig. 1 is a schematic diagram showing a schematic diagram of a railway rollover mechanism limiting device in a stretched state according to an embodiment of the invention.

Fig. 2 is a schematic structural view showing a folded state of a railway automatic dumping car mechanism limiting device according to an embodiment of the invention.

Fig. 3 shows a schematic view of a car stopper mechanism of a railway rollover mechanism stopper device according to an embodiment of the present invention.

Description of reference numerals:

1. a long connecting rod; 2. a short connecting rod; 3. a buffer device; 4. a connecting plate; 5. offset long waist holes; 6. a buffer pull rod; 7. a limiting ring; 8. a spring; 9. a housing; 10. a cover plate; 11. a long waist hole; 12. oblique sharp corners; 13. a limiting column; 14. a carriage stopper; 15. and a buffer pull rod is connected with the hole.

Detailed Description

Preferred embodiments of the present invention will be described in more detail below. While the following describes preferred embodiments of the present invention, it should be understood that the present invention may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.

The invention provides a railway tipper tipping mechanism limiting device, which comprises:

the connecting rod mechanism comprises a long connecting rod, one end of the long connecting rod is rotatably connected with the underframe through a pin, the other end of the long connecting rod is connected with a short connecting rod, and one end of the short connecting rod is provided with a limiting column;

the buffer device is characterized in that one end of the buffer device is provided with a folding guide mechanism, the buffer device is connected to one end of the short connecting rod through the folding guide mechanism, the middle of the buffer device is provided with a buffer mechanism, and one end of the buffer mechanism is rotatably connected with the carriage through a pin.

The three components of the long connecting rod, the short connecting rod and the buffer device are connected through pins, one end of the long connecting rod is rotatably connected with the underframe, one end of the buffer device is rotatably connected with the carriage, when the carriage is tilted to a maximum angle, the device is pulled into a straight line, and when the carriage is reset, the device is folded together and is contracted to the bottom of the carriage.

Optionally, the folding guide mechanism includes a connecting plate, and the connecting plate is provided with an offset long waist hole.

Optionally, the connecting plate is fixedly connected with one end of the buffer device, and the offset long waist hole is matched with a pin at one end of the short connecting rod.

The long offset waist hole on the connecting plate and the pin on the short connecting rod are matched, so that a component force in the long waist direction can be formed at the connecting part of the connecting plate and the short connecting rod when the device is contracted and folded, the connecting plate and the short connecting rod are always kept to be folded in the same direction, and the device can be smoothly contracted and reset when the carriage is reset.

Optionally, the buffer mechanism comprises a spring, a housing is arranged outside the spring, a buffer pull rod is arranged inside the spring, and a limit ring is arranged on the buffer pull rod.

Optionally, one end of the shell is fixedly connected with the connecting plate, the other end of the shell is provided with a cover plate, a limiting hole is formed in the center of the cover plate, and the buffering pull rod is installed in the limiting hole.

Optionally, one end of the spring is fixedly connected with the buffer pull rod, and the outer diameter of the limiting ring is larger than the inner diameter of the limiting hole.

The buffering pull rod passes the spacing hole on the apron and installs in the casing, and the tip of buffering pull rod in the casing contacts with the spring tip, before the carriage tumbles the maximum angle, and stop device is flare-outed, and the buffering pull rod is by pulling and compression spring, when the carriage tumbles the maximum angle, and spacing ring on the buffer beam is spacing by the apron with the contact of apron, and the spring compression reaches design length this moment, can not continue the compression, avoids causing the spring to damage.

Optionally, a carriage limiting block is arranged on one side of the buffer pull rod, and the carriage limiting block is installed on one side of a buffer pull rod connecting hole below the carriage.

The arrangement of the carriage limiting block can control the folding stress between the buffer device and the short connecting rod to pass through the middle in one direction when the carriage is reset, so that the buffer device and the short connecting rod can be folded in one direction, and the smooth contraction and reset of the device are ensured.

Optionally, both ends of the short connecting rod are arranged to be of a clamping groove type structure, and the limiting column is fixed in a mounting groove of the clamping groove type structure.

The both ends of short connecting rod all are provided with and press from both sides the groove, and long connecting rod and connecting plate are all pegged graft and are connected with short connecting rod in pressing from both sides the groove, and when the device folding back that targets in place, spacing post and one side contact of long connecting rod.

Optionally, one end of the long connecting rod connected with the short connecting rod is provided with a long waist hole, and an inclined sharp corner is arranged at the end of the long connecting rod outside the long waist hole.

The long waist hole enables the pin on the short connecting rod to slide in the long waist hole, and folding between the long connecting rod and the short connecting rod is achieved.

Optionally, the long waist hole is matched with a pin at one end of the short connecting rod, and the oblique sharp corner is matched with the limiting column in a sliding mode to form a guide structure for folding the short connecting rod and the long connecting rod.

When the device contracts and resets, the oblique sharp corner can provide moving guide for the limiting column and the short connecting rod along with the contact of the folding limiting column of the long connecting rod and the folding limiting column of the short connecting rod and the oblique sharp corner, so that the long connecting rod and the short connecting rod can be folded in one direction only.