Turnable hard connecting device for tractor and flat car

Abstract

The utility model belongs to the technical field of coal mine underground auxiliary transportation equipment, and discloses a turning hard connecting device for a tractor and a flat car. Traditional hard connecting steel is mainly divided into two sections of connecting rods, one section of connecting rod is rotationally connected to a connecting base, the other section of connecting rod is fixed to the connecting base, and after the two sections of connecting rods are connected with a tractor and a flat car respectively, the two sections of connecting rods can be not located on the same axis and not located on the same axis by means of the characteristics of the structures of the connecting rods during transportation. Under the condition of an axis included angle, the two connected connecting rods can swing leftwards, rightwards, upwards and downwards. Therefore, the problem that the bending degree of common hard connecting steel is too large can be solved, original unsafe factors are eliminated, the working safety efficiency of workers is improved, and the occurrence rate of safety accidents falling off a road is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of auxiliary transportation equipment in coal mines, and in particular relates to a hard-connecting device capable of turning and being used for a tractor and a flatbed vehicle. Background Art

[0002] With the vigorous development of high-yield and high-efficiency mine construction in my country, "one mine, one face" and "one mine, two faces" have become the development trend. As an important part of mine production, underground auxiliary transportation equipment in coal mines has also put forward higher requirements in actual production. At present, the common types of underground auxiliary transportation equipment in coal mines are mainly divided into three types: monorail crane, trackless rubber-wheeled vehicle and endless rope continuous traction vehicle. Among them, the endless rope continuous traction vehicle adopts mechanical transmission, which has a compact structure, simple operation, convenient maintenance and high reliability. It can replace the relay transportation of multiple small winches and realize the continuous transportation of equipment, materials and personnel in the working face tunnel without relocation.

[0003] However, the endless rope continuous traction vehicle uses ordinary hard-connected steel to connect the flatbed truck, which has the following problems: 1. There is a possibility of falling off the track during the transportation of the bracket. If it falls off the track once, it will take 4 people 1 hour to get on the track. 2. The previous ordinary hard-connected steel is easy to fall off the track, which poses a great safety hazard. 3. The previous ordinary hard-connected steel cannot bend too much, the stability is not high, there is no earthquake resistance, the transportation efficiency is low, and the cost of 4 additional winches is required. As an important link in coal production, the endless rope continuous traction vehicle is responsible for the transportation of grinding stones, materials, and personnel. The track line is complex and the distance is long. With the rapid growth of production, the number of transportation vehicles has increased accordingly, facing the problems of large safety risks and low transportation efficiency, which seriously restricts the safe and efficient production of the mine. Utility Model Content

[0004] Aiming at the problem that the endless rope continuous traction vehicle in the background technology uses ordinary hard connection steel to connect the flatbed vehicle, the utility model proposes an improvement based on the structure of the ordinary hard connection steel, and provides a hard connection device capable of turning for the traction vehicle and the flatbed vehicle.

[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a hard connection device capable of turning for a tractor and a flatbed truck, comprising hard connection steel, which is mainly composed of two sections, a first connecting rod and a second connecting rod, and a first connecting hole plate and a second connecting hole plate are fixedly connected to one end of each of the two, the other end of the first connecting rod is rotatably connected to the connecting seat, and the other end of the second connecting rod is fixedly connected to the connecting seat.

[0006] As a further explanation and limitation of the above technical solution, the connecting seat includes a fan-shaped hinge seat and a strip seat fixed in the middle of its arc-shaped edge, a first hinge hole is opened at the angle of the fan-shaped hinge seat, a hinge plate is fixed on the other end of the first connecting rod, and a second hinge hole is arranged on the hinge plate, and the pin shaft rotates the first connecting rod to the fan-shaped hinge seat through the first hinge hole and the second hinge hole respectively, so that the first connecting rod has a left and right swing compensation space; the second connecting rod is fixedly connected in the strip seat.

[0007] As a further supplement to the above technical solution, limit baffles are rotatably arranged on both sides of the interior of the fan-shaped articulated seat, a return spring is arranged between each limit baffle and the oblique edge of the fan-shaped articulated seat, and the articulated plate is arranged between the two limit baffles to ensure a tight connection between the flatbed truck and the tractor.

[0008] As a further supplement to the above technical solution, a first positioning hole is provided on the fan-shaped hinge seat, and a second positioning hole opposite to the first positioning hole is provided on the hinge plate, and the first positioning hole and the second positioning hole facilitate the use of positioning pins to achieve coaxial position locking of the first connecting rod and the second connecting rod.

[0009] As a further supplement to the above technical solution, handles are respectively provided on the first connecting rod and the second connecting rod to facilitate on-site personnel to carry and quickly complete assembly.

[0010] As a further supplementary explanation of the above technical solution, the internal spacing H of the fan-shaped hinge seat is greater than the thickness h of the hinge plate, so that the first connecting rod has a compensation space for up and down swinging.

[0011] As a further explanation and limitation of the above technical solution, the horizontal swing angle range between the axis of the first connecting rod and the axis of the second connecting rod is 0°~45°.

[0012] Compared with the prior art, the utility model has the following advantages:

[0013] 1. The bending hard connection device designed by the utility model divides the traditional hard connection steel into two connecting rods, one of which is rotatably connected to the connecting seat, and the other is fixed to the connecting seat. By utilizing the characteristics of its structure, the two connecting rods can be on different axes. When the axes are at an angle, the two connected connecting rods can swing left and right and up and down. Therefore, the problem that the ordinary hard connection steel cannot be bent too much can be solved, the original unsafe factors are eliminated, the safety efficiency of employees' work is improved, and the incidence of road safety accidents is reduced.

[0014] 2. The biggest feature of the hard link device capable of turning designed by the utility model is that the coupling seat adopts a fan-shaped hinge seat and a strip seat as an integrated design, and the pin shaft rotates and connects the first connecting rod to the fan-shaped hinge seat through the first hinge hole and the second hinge hole, so that the first connecting rod has a left-right swing compensation space; the internal spacing of the fan-shaped hinge seat is greater than the thickness of the hinge plate, so that the first connecting rod has an up-and-down swing compensation space. The coupling seat design with such a structure has a large angular compensation capacity, a compact structure, and high working efficiency.

[0015] 3. The bending hard connection device designed by the utility model is provided with limit baffles on both sides of the inner part of the fan-shaped hinge seat, and a reset spring is provided between each limit baffle and the bevel of the fan-shaped hinge seat, and the hinge plate is provided between the two limit baffles. Therefore, the bending hard connection device designed by the utility model has high strength and stability, can effectively replace ordinary hard connection steel, and can ensure the close connection between the flatbed truck and the tractor. At the same time, it also has good anti-seismic performance, and can stably transport equipment and materials on uneven roads and curved roads inside the mine.

[0016] 4. The utility model can use a positioning pin to lock the first connecting rod and the second connecting rod in a coaxial position through the first positioning hole and the second positioning hole, which is convenient for connecting the flatbed truck and the tractor and reduces the difficulty of operation.

[0017] 5. The angles between the two axes of the hard link devices of different structural types that can be turned are different, generally between 0° and 45°. This meets the needs of continuous transportation of equipment, materials and personnel in the working tunnel without relocation, improves transportation efficiency, reduces transportation costs and enhances safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a three-dimensional diagram of the bending hard connection device in the utility model;

[0019] Figure 2 This is a structural diagram of the bending hard connection device in the utility model;

[0020] Figure 3 It is a top view of the bending hard connection device in the utility model;

[0021] Figure 4 for Figure 3 A magnified view of part A;

[0022] Figure 5 This is a front view of the bending hard connection device in the utility model;

[0023] Figure 6 for Figure 5 Section view along the AA cutting line.

[0024] In the figure: the first connecting rod is 2, the second connecting rod is 3, the first connecting hole plate is 4, the second connecting hole plate is 5, the hinge plate is 6, the first hinge hole is 7, the second hinge hole is 8, the pin is 9, the first positioning hole is 10, the second positioning hole is 11, the limit baffle is 12, the return spring is 13, and the handle is 14.

[0025] The connecting seat includes: a fan-shaped hinge seat 101 and a strip seat 102. DETAILED DESCRIPTION

[0026] In order to further illustrate the technical solution of the utility model, the following Figures 1 to 6 According to the specific implementation process, we further illustrate the utility model through four embodiments. Embodiment 1

[0027] As attached Figure 1 As shown, a hard connection device capable of turning between a tractor and a flatbed truck includes hard connection steel, which is mainly composed of two sections, a first connecting rod 2 and a second connecting rod 3, and a first connecting hole plate 4 and a second connecting hole plate 5 are fixedly connected to one end of each of the two sections, the other end of the first connecting rod 2 is rotatably connected to a connecting seat 1, and the other end of the second connecting rod 3 is fixedly connected to the connecting seat 1.

[0028] Preferred implementation manner, as shown in the attached Figures 2 to 6 As shown, the coupling seat 1 includes a fan-shaped hinge seat 101 and a strip seat 102 fixed in the middle of its arc-shaped side, a first hinge hole 7 is opened at the angle of the fan-shaped hinge seat 101, a hinge plate 6 is fixed on the other end of the first connecting rod 2, a second hinge hole 8 is arranged on the hinge plate, and a pin 9 is respectively connected to the fan-shaped hinge seat 101 through the first hinge hole 7 and the second hinge hole 8 to rotate the first connecting rod 2, so that the first connecting rod 2 has a left-right swing compensation space; the second connecting rod 3 is fixedly connected in the strip seat 102. At the same time, it should be noted that the internal spacing H of the fan-shaped hinge seat 101 is greater than the thickness h of the hinge plate 6, so that the first connecting rod 2 has an up-and-down swing compensation space.

[0029] In this embodiment, the horizontal swing angle range between the axis of the first connecting rod 2 and the axis of the second connecting rod 3 is 0° to 45°. Embodiment 2

[0030] As attached Figure 4As shown, in order to ensure a tight connection between the flatbed truck and the tractor, in the above embodiment, we respectively rotate and set limit baffles 12 on both sides of the inner side of the fan-shaped hinge seat 101, and a return spring 13 is set between each limit baffle 12 and the bevel of the fan-shaped hinge seat 101, and the hinge plate is set between the two limit baffles 12 to ensure a tight connection between the flatbed truck and the tractor. This design can make the turning hard connection device have high strength and stability, and also have good anti-seismic performance, so that the tractor can drive multiple flatbed trucks to stably transport equipment and materials on uneven roads and curved roads inside the mine. Embodiment 3

[0031] Since the bending hard connection device adopts a two-section connecting rod design, when connecting the flatbed truck and the tractor, the two sections of the connecting rod are prone to inconsistent axes, which increases the difficulty of the entire operation. For this reason, we add a positioning hole design, such as Figure 2 As shown, the specific scheme is as follows: a first positioning hole 10 is provided on the fan-shaped hinge seat 101, and a second positioning hole 11 opposite to the first positioning hole 10 is provided on the hinge plate 6, and the first positioning hole 10 and the second positioning hole 11 facilitate the use of positioning pins to achieve coaxial position locking of the first connecting rod 2 and the second connecting rod 3. Embodiment 4

[0032] In order to facilitate the on-site personnel to carry and quickly complete the assembly. Figure 5 As shown, we can respectively provide a handle 14 on the first connecting rod 2 and the second connecting rod 3. In this way, whether in assembling the instinctive turning hard connection device or using the turning hard connection device in the process of connecting the tractor and the flatbed vehicle, we can complete the relevant operations through the handle.

[0033] We have put the above transformation into use in subordinate coal mines, and have achieved the following good economic benefits: 1. When using ordinary hard connection steel to drop the support during transportation, it takes 4 people 1 hour to get on the road. (Each time costs 1,000 yuan); 2. The hard connection device that can turn replaces the previous ordinary hard connection, reduces the construction process, removes the hook back and forth, and reduces 4 winches. (About 50,000 yuan). 3. The technical transformation of the hard connection device that can turn makes the workers get started quickly, eliminates the original unsafe factors, improves the safety efficiency of the workers' work, and reduces the incidence of safety accidents on the road. 4. Reduce the labor intensity of the workers, increase the work efficiency by 50%, reduce working time and workload, and replace the original 4 winches with hard connection steel that can turn, which can save half an hour each time the support is transported. Through the comparison of the above economic benefits, the hard connection device that can turn connects the tractor and the flatbed truck and between the flatbed trucks can bring at least more than 50,000 yuan of economic benefits to each company each year, and avoid the occurrence of potential safety accidents to a certain extent.

[0034] The above shows and describes the main features and advantages of the utility model. For those skilled in the art, it is obvious that the specific implementation of the utility model is not limited to the details of the above exemplary embodiments, and the creative ideas and design ideas of the utility model can be realized in other specific forms without departing from the spirit or basic features of the utility model, which should be equivalent to the protection scope disclosed in the technical solution of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is limited by the attached claims rather than the above description, so it is intended to include all changes that fall within the meaning and scope of the equivalent elements of the claims in the utility model.

[0035] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A turning hard connection device for a tractor and a flatbed vehicle, comprising hard connection steel, characterized in that: The hard connection steel is composed of two sections, a first connection rod (2) and a second connection rod (3), and a first connection hole plate (4) and a second connection hole plate (5) are fixedly connected to one end of each of the two sections, respectively; the other end of the first connection rod (2) is rotatably connected to the connection seat (1), and the other end of the second connection rod (3) is fixedly connected to the connection seat (1).

2. A turning hard connection device for a tractor and a flatbed vehicle according to claim 1, characterized in that: The coupling seat (1) comprises a fan-shaped hinge seat (101) and a strip seat (102) fixed at the middle of the arc-shaped side thereof; a first hinge hole (7) is provided at the angle of the fan-shaped hinge seat (101); a hinge plate (6) is fixed to the other end of the first connecting rod (2); a second hinge hole (8) is provided on the hinge plate; a pin (9) is respectively passed through the first hinge hole (7) and the second hinge hole (8) to rotatably connect the first connecting rod (2) to the fan-shaped hinge seat (101), so that the first connecting rod (2) has a left-right swing compensation space; and the second connecting rod (3) is fixedly connected in the strip seat (102).

3. A bending hard connection device for a tractor and a flatbed vehicle according to claim 2, characterized in that: Limit baffles (12) are rotatably arranged on both sides of the interior of the fan-shaped hinge seat (101), and a return spring (13) is arranged between each limit baffle (12) and the oblique edge of the fan-shaped hinge seat (101). The hinge plate is arranged between the two limit baffles (12), thereby ensuring a tight connection between the flatbed vehicle and the tractor.

4. A bending hard connection device for a tractor and a flatbed vehicle according to claim 2 or 3, characterized in that: A first positioning hole (10) is provided on the fan-shaped hinge seat (101), and a second positioning hole (11) opposite to the first positioning hole (10) is provided on the hinge plate (6). The first positioning hole (10) and the second positioning hole (11) facilitate the use of positioning pins to achieve coaxial position locking of the first connecting rod (2) and the second connecting rod (3).

5. A bending hard connection device for a tractor and a flatbed vehicle according to claim 4, characterized in that: Handles (14) are respectively provided on the first connecting rod (2) and the second connecting rod (3), so as to facilitate on-site personnel to carry and quickly complete assembly.

6. A bending hard connection device for a tractor and a flatbed vehicle according to any one of claims 2, 3 and 5, characterized in that: The internal spacing H of the fan-shaped hinge seat (101) is greater than the thickness h of the hinge plate (6), so that the first connecting rod (2) has a compensation space for up and down swinging.

7. A bending hard connection device for a tractor and a flatbed vehicle according to claim 6, characterized in that: The horizontal swing angle between the axis of the first connecting rod (2) and the axis of the second connecting rod (3) is in the range of 0° to 45°.

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