Sample collector turntable brake device

Abstract

A sample collector rotating disc brake device comprises a rack, the rack comprises a hydraulic bottom plate, hydraulic side plates are fixedly connected to the two sides of the hydraulic bottom plate, a hydraulic cover plate is fixedly connected to the upper ends of the two hydraulic side plates, a hydraulic device is arranged between the hydraulic bottom plate and the hydraulic cover plate and comprises two hydraulic rods, and each hydraulic rod is slidably connected with a ring. The rings are fixedly connected through a ring connecting piece, and the ring connecting piece is fixedly connected with one end of the support; the other end of the support comprises an inverted U-shaped support arranged on the upper side and a forward U-shaped support arranged on the lower side, the end portions of one ends of the forward U-shaped support and the inverted U-shaped support are fixedly connected with stroke tracking devices, the bending positions of the ends connected with the stroke tracking devices are fixedly connected with damping devices, and the damping devices are connected with brake devices; the rotating disc can be positioned, the braking effect is improved, gravity center changes of the rotating disc can be self-adapted, and the height of the support can be adjusted.

Description

Technical Field

[0001] The utility model belongs to the technical field of brake devices, and in particular relates to a sample collector turntable brake device. Background Art

[0002] At present, among the known coal sample collection facilities in thermal power plants, the rotary disc type is the most commonly used, such as Figure 1 As shown, a sample collecting turntable 2 is arranged on the rotating shaft 1, and a plurality of sample collecting barrels 21 ( Figure 1 Two sample collecting barrels are drawn in the figure), and the sample collecting barrel 21 is used to collect samples. A brake device 3 is provided on one side of the sample collecting turntable 2. According to different mining points, the sample collecting turntable 2 is driven by the rotating shaft 1 to rotate and switch the sample collecting barrel 21. The brake device 3 realizes the braking function of the equipment by pushing the sample collecting turntable 2 upward and generating friction between the sample collecting turntable 2. When the equipment brakes, because the coal samples are not evenly distributed, when using pneumatic brakes, the brake cylinder frequently pushes the sample collecting turntable 2 upward, and the sample collecting turntable 2 is subjected to force on one side, causing the sample collecting turntable 2 to deviate, such as Figure 1 As shown by the dotted line, it is easy to cause the center of gravity of the sample collector turntable 2 to be unstable, resulting in the upward deformation of the sample collector turntable 2, and the bottom of the sample collector turntable 2 is easily scratched, thereby damaging the sample collector turntable 2 and shortening the service life of the equipment. In addition, the unilateral brake device 3 cannot position the sample collector turntable 2, and the braking effect is poor.

[0003] To this end, the technical problem to be solved by the utility model is: in the sample collector facilities of the prior art, the brake cylinder frequently pushes the sample collector turntable upward, which easily causes the center of gravity of the turntable to be unstable, resulting in the turntable deforming upward, and the bottom of the turntable is easily scratched, thereby damaging the turntable and shortening the service life of the equipment; and the single-sided brake device cannot position the turntable, resulting in poor braking effect. Utility Model Content

[0004] In order to solve the technical problems in the prior art sample collector facility that the brake cylinder frequently pushes the sample collector turntable upward, which easily causes the center of gravity of the turntable to be unstable, resulting in the turntable deforming upward and the bottom of the turntable being easily scratched, thereby damaging the turntable and shortening the service life of the equipment, and the single-sided brake device cannot position the turntable and has a poor braking effect, the utility model provides a sample collector turntable brake device.

[0005] The specific plan is as follows:

[0006] A sample collector turntable brake device comprises a frame, wherein the frame comprises a hydraulic bottom plate, hydraulic side plates are fixedly connected to both sides of the hydraulic bottom plate, the upper ends of the two hydraulic side plates are fixedly connected to the hydraulic cover plate, a hydraulic device is arranged between the hydraulic bottom plate and the hydraulic cover plate, the hydraulic device comprises two hydraulic rods, each hydraulic rod is slidably connected to a ring, the rings are fixedly connected to each other through a ring connector, and the ring connector is fixedly connected to one end of the bracket;

[0007] The other end of the bracket includes an inverted U-shaped bracket arranged on the upper side and a forward U-shaped bracket arranged on the lower side. One end of the forward U-shaped bracket and the inverted U-shaped bracket are fixedly connected to the travel tracking device. The bending positions of one end of the two U-shaped brackets fixedly connected to the travel tracking device are fixedly connected to the shock absorbing device, and the shock absorbing device is connected to the brake device.

[0008] The shock absorbing device comprises a spring, the spring is wound on a columnar body, and the shock absorbing device is connected to the brake device through the columnar body;

[0009] The brake device comprises a pneumatic part, and a pneumatic rod extending from the pneumatic part is used to brake the sample collector turntable.

[0010] The travel tracking device includes a sliding roller.

[0011] The shock absorbing device includes a spring cover plate, one end of which is fixedly connected to a U-shaped bracket, and the other end is connected to a brake device. The connection between the spring cover plate and the brake device passes through a columnar body, a baffle is provided at the end of the columnar body, and a spring is wound around the columnar body portion between the baffle and the spring cover plate.

[0012] The brake device comprises a pneumatic cover, one end of which is connected to a spring cover plate, and the other end of which is fixedly connected to a pneumatic part, and a pneumatic rod extends from the end of the pneumatic part.

[0013] The beneficial effects of the utility model are:

[0014] The utility model is provided with a stroke tracking device, through which the sample collector turntable is positioned to prevent the sample collector turntable from being deformed;

[0015] Equipped with upper and lower brake devices to improve the braking effect;

[0016] Equipped with a shock-absorbing device, the spring can adapt to the slight deviation between the long-term braking of the sample collector turntable and the brake device. The brake device can adjust itself according to the height of the center of gravity of the sample collector turntable to ensure the stability of the brake, reduce the wear of the brake device on the sample collector turntable, and increase the service life of the equipment. It effectively solves the problem of poor braking effect caused by the unstable center of gravity of the sample collector turntable, which is easy to cause scratches on the sample collector turntable;

[0017] The height of the bracket is adjusted by sliding the ring up and down on the hydraulic rod, thereby adjusting the height of the brake device. The appropriate height of the brake device can be selected according to the sample collector turntables of different heights. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a side view of a brake device of the prior art.

[0019] Figure 2 It is a three-dimensional diagram of the utility model.

[0020] Figure 3 yes Figure 1 Schematic diagram of the direction on the right side of the middle;

[0021] Figure 4 It is a schematic diagram of the bracket.

[0022] Among them, 1 is a rotating shaft, 2 is a sample collector turntable, 21 is a sample collection barrel, 3 is a brake device, 4 is a frame, 41 is a hydraulic bottom plate, 42 is a hydraulic side plate, 43 is a hydraulic cover plate, 44 is a hydraulic rod, 5 is a ring, 51 is a ring connector, 6 is a bracket, 61 is a forward U-shaped bracket, 62 is a reverse U-shaped bracket, 7 is a sliding roller, 8 is a spring, 81 is a spring cover plate, 9 is a brake device, 91 is a pneumatic cover plate, 92 is a pneumatic part, 93 is a pneumatic rod, 94 is a columnar body, and 95 is a baffle DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the implementation of the utility model, not all of the implementation. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] like Figure 2 , Figure 3 and Figure 4 As shown, a sample collector turntable brake device includes a frame 4, the frame 4 includes a hydraulic bottom plate 41, the two sides of the hydraulic bottom plate 41 are fixedly connected to hydraulic side plates 42, the upper ends of the two hydraulic side plates 42 are fixedly connected to hydraulic cover plates 43, a hydraulic device is provided between the hydraulic bottom plate 41 and the hydraulic cover plate 43, the hydraulic device includes two hydraulic rods 44, each hydraulic rod 44 is slidably connected to a ring 5, the rings 5 ​​are fixedly connected to each other through a ring connector 51, and the ring connector 51 is fixedly connected to one end of a bracket 6;

[0025] The other end of the bracket 6 includes an inverted U-shaped bracket 62 arranged on the upper side, and a forward U-shaped bracket 61 arranged on the lower side, one end of the forward U-shaped bracket 61 and the inverted U-shaped bracket 62 are both fixedly connected to the travel tracking device, and the bending positions of one end of the two U-shaped brackets fixedly connected to the travel tracking device are both fixedly connected to the shock absorbing device, and the shock absorbing device is connected to the brake device 9;

[0026] The shock absorbing device comprises a spring 8, the spring 8 is wound on a columnar body 94, and the shock absorbing device is connected to the brake device 9 through the columnar body 94;

[0027] The brake device 9 comprises a pneumatic member 92 , from which extends a pneumatic rod 93 for braking the sample collector turntable 2 .

[0028] The utility model is provided with a stroke tracking device, through which the sample collector turntable 2 is positioned to prevent the sample collector turntable 2 from being deformed; two upper and lower brake devices 9 are provided to improve the braking effect; a shock absorbing device is provided, and a small deviation between the long-term braking of the sample collector turntable 2 and the brake device 9 can be adaptively adjusted through a spring 8. The brake device 9 can adjust itself according to the height of the center of gravity of the sample collector turntable 2, thereby ensuring the stability of the brake, reducing the wear of the brake device 9 on the sample collector turntable 2, and improving the service life of the equipment, and effectively solving the problem of poor braking effect caused by the unstable center of gravity of the sample collector turntable 2, which is easy to cause scratches on the sample collector turntable 2; the height of the bracket 6 is adjusted by sliding the ring 5 up and down on the hydraulic rod 44, and then the height of the brake device 9 is adjusted, and the height of the appropriate brake device 9 can be selected according to the sample collector turntable 2 of different heights.

[0029] The travel tracking device includes a sliding roller 7. When working, the sample collector turntable 2 passes through the middle of the two sliding rollers 7. The upper and lower sliding rollers 7 are used to position the sample collector turntable 2 to prevent the sample collector turntable 2 from deforming.

[0030] like Figure 2 and Figure 3 As shown, the shock absorbing device includes a spring cover plate 81, one end of the spring cover plate 81 is fixedly connected to the U-shaped bracket, and the other end is connected to the brake device 9, and the connection between the spring cover plate 81 and the brake device 9 passes through a columnar body 94, and a baffle 95 is provided at the end of the columnar body 94, and the columnar body 94 part between the baffle 95 and the spring cover plate 81 is wrapped with a spring 8; the spring 8 is used to adapt to the height change of the center of gravity of the sample collector turntable 2 to avoid deviation of the sample collector turntable 2 during long-term use of the equipment, and the brake device 9 causes scratches on the sample collector turntable 2, thereby affecting the service life of the sample collector turntable 2.

[0031] like Figure 2 and Figure 3 As shown, the brake device 9 includes a pneumatic cover 91, one end of the pneumatic cover 91 is connected to the spring cover plate 81, and the other end is fixedly connected to the pneumatic part 92, and a pneumatic rod 93 extends from the end of the pneumatic part 92; when working, the sample collector turntable 2 is located between the two pneumatic rods 93, and the sample collector turntable 2 is clamped by the upper and lower pneumatic rods 93 to achieve the braking of the sample collector turntable 2, and two brake cylinders are provided to improve the braking effect.

[0032] The specific working process of the utility model is:

[0033] When working, the sample collector turntable 2 passes between the upper and lower sliding rollers 7, and the upper and lower sliding rollers 7 are used to accurately position the sample collector turntable 2;

[0034] The sample collector turntable 2 passes through between the upper and lower pneumatic rods 93, and the upper and lower pneumatic rods 83 are used to clamp the sample collector turntable 2 to brake the sample collector turntable 2;

[0035] The two hydraulic cylinders 44 inside the frame 4 are both slidably connected to the rings 5, and the rings 5 ​​are fixedly connected to each other through the ring connector 51, and the ring connector 51 is fixedly connected to the bracket 6. The ring 5 slides up and down on the hydraulic cylinder 44, driving the bracket 6 to move up and down, thereby driving the upper and lower pneumatic rods 93 and the upper and lower sliding rollers 7 to move up and down, and the height of the brake device 9 can be adjusted according to the height of the sample collector turntable 2;

[0036] The brake device 9 is connected to the shock absorbing device through a columnar body 94. A baffle 95 is provided at the end of the columnar body 94. A spring 8 is arranged around the portion of the columnar body 94 between the baffle 95 and the spring cover plate 81. The spring 8 can adapt to slight deviations of the sample collector turntable 2 during braking to avoid wear on the sample collector turntable 2 and reduce the service life of the sample collector turntable 2.

[0037] The technical means disclosed in the solution of the utility model are not limited to the technical means disclosed in the above-mentioned implementation mode, but also include technical solutions composed of any combination of the above technical features. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the utility model, and these improvements and modifications are also regarded as the protection scope of the utility model.

Claims

1. A sample collector turntable brake device, characterized in that: The frame (4) comprises a hydraulic bottom plate (41), the two sides of the hydraulic bottom plate (41) are fixedly connected to hydraulic side plates (42), the upper ends of the two hydraulic side plates (42) are fixedly connected to hydraulic cover plates (43), a hydraulic device is provided between the hydraulic bottom plate (41) and the hydraulic cover plate (43), the hydraulic device comprises two hydraulic rods (44), each hydraulic rod (44) is slidably connected to a ring (5), the rings (5) are fixedly connected to each other via a ring connector (51), and the ring connector (51) is fixedly connected to one end of a bracket (6); The other end of the bracket (6) comprises an inverted U-shaped bracket (62) arranged on the upper side, and a forward U-shaped bracket (61) arranged on the lower side, one end of the forward U-shaped bracket (61) and the inverted U-shaped bracket (62) are both fixedly connected to the travel tracking device, and the bending positions of one end of the two U-shaped brackets fixedly connected to the travel tracking device are both fixedly connected to the shock absorbing device, and the shock absorbing device is connected to the brake device (9); The shock absorbing device comprises a spring (8), the spring (8) is wound on a columnar body (94), and the shock absorbing device is connected to the brake device (9) via the columnar body (94); The brake device (9) comprises a pneumatic member (92), and a pneumatic rod (93) extends from the pneumatic member (92) for braking the sample collector turntable (2).

2. The sample collector turntable brake device according to claim 1, characterized in that: The travel tracking device comprises a sliding roller (7).

3. The sample collector turntable brake device according to claim 1, characterized in that: The shock absorbing device comprises a spring cover plate (81), one end of the spring cover plate (81) is fixedly connected to the U-shaped bracket, and the other end is connected to the brake device (9), and the connection between the spring cover plate (81) and the brake device (9) passes through a columnar body (94), a baffle (95) is provided at the end of the columnar body (94), and a spring (8) is wound around the columnar body (94) between the baffle (95) and the spring cover plate (81).

4. The sample collector turntable brake device according to claim 1, characterized in that: The brake device (9) comprises a pneumatic cover (91), one end of the pneumatic cover (91) is connected to the spring cover plate (81), and the other end is fixedly connected to the pneumatic component (92), and a pneumatic rod (93) extends from the end of the pneumatic component (92).

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