Locking device for rear baffle of tamping coal charging car

Abstract

The utility model relates to the technical field of coal charging cars, in particular to a tamping coal charging car rear baffle locking device which comprises a tamping coal charging car, the tamping coal charging car comprises a rear baffle and a coal supporting plate, the rear baffle is arranged at one end of the coal supporting plate, a locking rod is hinged to the top of the coal supporting plate, a first positioning block is arranged at one end of the locking rod, and a second positioning block is arranged at the other end of the locking rod. A locking rod is arranged at one end of the tamping coal charging car, a balancing weight is arranged at the bottom of the other end of the locking rod, a second positioning block is arranged on the rear baffle, the first positioning block is connected with the second positioning block in a clamped mode, a limiting plate is arranged at the tail of the tamping coal charging car, and an elastic pressing roller is arranged at the tail end of the limiting plate and located above the locking rod. According to the utility model, the locking rod is matched with the elastic compression roller, so that the rear baffle plate is locked and opened completely through a mechanical structure, the working reliability is improved, and the production efficiency is improved.

Description

Technical Field

[0001] This utility model relates to the field of coal loading vehicle technology, specifically to a locking device for the rear baffle of a tamping coal loading vehicle. Background Technology

[0002] The coal loading device of a tamping coal loading car consists of a fixed wall, a movable wall, a front baffle, a rear baffle, a coal support plate, and a drive sprocket. The rear baffle forms the rear part of the tamping coal box. During coal tamping, it retracts to the rear of the coal box along with the fixed wall, movable wall, and front baffle, together forming a single coal box. The rear baffle is movably placed on the coal support plate. If no external locking is applied, the vibration during coal tamping can easily cause the rear baffle to slip, affecting the normal tamping of the coal.

[0003] Traditional rear baffle locking devices use a hydraulic cylinder to drive a locking rod to lock the rear baffle. Although this can lock the rear baffle in a fixed position, if the operator forgets to unlock it after the coal cake is compacted, the cylinder will not open the locking rod, which will cause the cylinder to break and result in an accident. Utility Model Content

[0004] To address the aforementioned issues, this utility model proposes a locking device for the rear baffle of a tamping coal loading car. Through the cooperation of the locking rod and the elastic pressure roller, the locking and opening of the rear baffle is achieved entirely by mechanical structure, thereby improving the reliability of operation and increasing production efficiency.

[0005] To achieve the above objectives, the technical solution of this utility model is as follows: a locking device for the rear baffle of a tamping coal loading car, comprising a tamping coal loading car, the tamping coal loading car including a rear baffle and a coal support plate, the rear baffle being placed at one end of the coal support plate, a locking rod being hinged to the top of the coal support plate, a first positioning block being provided at one end of the locking rod, a counterweight block being provided at the bottom of the other end of the locking rod, a second positioning block being provided on the rear baffle, the first positioning block being engaged with the second positioning block, a limiting plate being provided at the rear of the tamping coal loading car, an elastic pressure roller being provided at the end of the limiting plate, the elastic pressure roller being located above the locking rod.

[0006] As a further embodiment of this utility model: the top of the coal support plate is provided with an ear plate, the bottom of the locking rod is provided with a connecting block, and both the ear plate and the connecting block are provided with pin holes, in which a pin is inserted.

[0007] As a further improvement of this utility model: the contact surfaces of the first positioning block and the second positioning block are set at an angle, and both contact surfaces are corrugated.

[0008] As a further embodiment of this utility model: the rear baffle and the coal support plate move synchronously. When the rear baffle and the coal support plate approach the rear of the tamping coal loading car, the elastic pressure roller exerts pressure on the top of the locking rod, thereby causing the first positioning block and the second positioning block to engage. When the rear baffle and the coal support plate move away from the rear of the tamping coal loading car, the pressure of the elastic pressure roller on the top of the locking rod disappears. Due to the weight of the counterweight, the locking rod causes the clamping force of the first positioning block and the second positioning block to disappear, and the first positioning block and the second positioning block open.

[0009] As a further embodiment of this utility model: the elastic pressure roller includes a housing, the outer wall of the housing is radially fixedly connected to the end of the limiting plate, a cavity is opened in the middle of the housing, a roller core is provided in the cavity, the top of the roller core extends out of the housing and is provided with a limiting block, the outer wall of the roller core is stepped, and a spring is also sleeved on the roller core, the top of the spring is connected to the top of the cavity, and the bottom of the spring is connected to the roller core.

[0010] As a further embodiment of this utility model: the bottom of the roller core is provided with a bracket, the top of the bracket is connected to the roller core by bolts, and the bottom of the bracket is provided with rollers.

[0011] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0012] This invention achieves the locking and opening of the rear baffle entirely through a mechanical structure using the locking rod and the elastic pressure roller, eliminating the need for human intervention. This avoids potential hazards caused by operational errors, improves operational reliability, reduces equipment maintenance costs, and increases production efficiency. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the overall structure of the locking device for the rear baffle of the tamping coal loading car in the locked state.

[0014] Figure 2 This is a schematic diagram of the overall structure of the tamping coal loading car rear baffle locking device in the open state.

[0015] Figure 3 This is a schematic diagram of the elastic pressure roller of the locking device for the rear baffle of the tamping coal loading car of this utility model.

[0016] In the diagram: 1. Rear baffle; 2. Coal support plate; 3. Locking rod; 4. First positioning block; 5. Counterweight block; 6. Second positioning block; 7. Limiting plate; 8. Elastic pressure roller; 81. Shell; 82. Cavity; 83. Roller core; 84. Limiting block; 85. Spring; 86. Support; 87. Bolt; 88. Roller; 9. Ear plate; 10. Connecting block; 11. Pin hole; 12. Pin shaft. Detailed Implementation

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0018] refer to Figures 1 to 3 A locking device for the rear baffle of a tamping coal loading car includes a tamping coal loading car, which includes a rear baffle 1 and a coal support plate 2. The rear baffle 1 is placed at one end of the coal support plate 2. A locking rod 3 is hinged to the top of the coal support plate 2. A first positioning block 4 is provided at one end of the locking rod 3, and a counterweight block 5 is provided at the bottom of the other end of the locking rod 3. A second positioning block 6 is provided on the rear baffle 1. The first positioning block 4 and the second positioning block 6 are engaged. A limiting plate 7 is provided at the rear of the tamping coal loading car. An elastic pressure roller 8 is provided at the end of the limiting plate 7. The elastic pressure roller 8 is located above the locking rod 3.

[0019] The top of the coal support plate 2 is provided with an ear plate 9, and the bottom of the locking rod 3 is provided with a connecting block 10. Both the ear plate 9 and the connecting block 10 are provided with pin holes 11, and a pin shaft 12 is inserted into the pin hole 11.

[0020] The contact surfaces of the first positioning block 4 and the second positioning block 6 are set at an angle, and both contact surfaces are corrugated.

[0021] The rear baffle 1 and the coal support plate 2 move synchronously. When the rear baffle 1 and the coal support plate 2 approach the rear of the tamping coal loading car, the elastic pressure roller 8 exerts pressure on the top of the locking rod 3, thereby causing the first positioning block 4 and the second positioning block 6 to engage. When the rear baffle 1 and the coal support plate 2 move away from the rear of the tamping coal loading car, the pressure of the elastic pressure roller 8 on the top of the locking rod 3 disappears. Due to the weight of the counterweight 5, the locking force of the first positioning block 4 and the second positioning block 6 disappears, and the first positioning block 4 and the second positioning block 6 open.

[0022] The elastic pressure roller 8 includes a housing 81. The outer wall of the housing 81 is radially fixedly connected to the end of the limiting plate 7. A cavity 82 is opened in the middle of the housing 81. A roller core 83 is provided in the cavity 82. The top of the roller core 83 extends out of the housing 81 and is provided with a limiting block 84. The outer wall of the roller core 83 is stepped. A spring 85 is also sleeved on the roller core 83. The top of the spring 85 is connected to the top of the cavity 82, and the bottom of the spring 85 is connected to the roller core 83.

[0023] The bottom of the roller core 83 is provided with a bracket 86, the top of the bracket 86 is connected to the roller core 83 by bolts 87, and the bottom of the bracket 86 is provided with rollers 88.

[0024] When loading coal, the coal support plate 2 and the rear baffle 1 leave the tail area, and the locking rod 3 automatically opens to the locked state. When the rear baffle 1 and the coal support plate 2 return to the tail area, the spring pressure roller 8 automatically presses the locking rod 3 to the horizontal position to lock the rear baffle 1.

[0025] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A locking device for the rear baffle of a tamping coal loading car, comprising a tamping coal loading car, the tamping coal loading car including a rear baffle (1) and a coal support plate (2), the rear baffle (1) being placed at one end of the coal support plate (2), characterized in that: The top of the coal support plate (2) is hinged with a locking rod (3). One end of the locking rod (3) is provided with a first positioning block (4), and the bottom of the other end of the locking rod (3) is provided with a counterweight block (5). The rear baffle (1) is provided with a second positioning block (6). The first positioning block (4) and the second positioning block (6) are engaged. The tail of the tamping coal loading car is provided with a limiting plate (7). The end of the limiting plate (7) is provided with an elastic pressure roller (8). The elastic pressure roller (8) is located above the locking rod (3).

2. The locking device for the rear baffle of the tamping coal loading car according to claim 1, characterized in that: The top of the coal support plate (2) is provided with an ear plate (9), and the bottom of the locking rod (3) is provided with a connecting block (10). Both the ear plate (9) and the connecting block (10) are provided with pin holes (11), and a pin shaft (12) is inserted into the pin hole (11).

3. The locking device for the rear baffle of the tamping coal loading car according to claim 2, characterized in that: The contact surfaces of the first positioning block (4) and the second positioning block (6) are set at an angle, and both contact surfaces are corrugated.

4. The locking device for the rear baffle of the tamping coal loading car according to claim 3, characterized in that: The rear baffle (1) and the coal support plate (2) move synchronously. When the rear baffle (1) and the coal support plate (2) are close to the rear of the tamping coal loading car, the elastic pressure roller (8) exerts pressure on the top of the locking rod (3), thereby causing the first positioning block (4) and the second positioning block (6) to engage. When the rear baffle (1) and the coal support plate (2) are far away from the rear of the tamping coal loading car, the pressure of the elastic pressure roller (8) on the top of the locking rod (3) disappears. Due to the weight of the counterweight (5), the locking force of the first positioning block (4) and the second positioning block (6) disappears, and the first positioning block (4) and the second positioning block (6) open.

5. The locking device for the rear baffle of the tamping coal loading car according to claim 4, characterized in that: The elastic pressure roller (8) includes a housing (81), the outer wall of the housing (81) is radially fixed to the end of the limiting plate (7), a cavity (82) is opened in the middle of the housing (81), a roller core (83) is provided in the cavity (82), the top of the roller core (83) extends out of the housing (81) and is provided with a limiting block (84), the outer wall of the roller core (83) is stepped, and a spring (85) is also sleeved on the roller core (83), the top of the spring (85) is connected to the top of the cavity (82), and the bottom of the spring (85) is connected to the roller core (83).

6. The locking device for the rear baffle of the tamping coal loading car according to claim 5, characterized in that: The bottom of the roller core (83) is provided with a bracket (86), the top of the bracket (86) is connected to the roller core (83) by bolts (87), and the bottom of the bracket (86) is provided with a roller (88).

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