Supporting auxiliary device

Abstract

The utility model discloses a support auxiliary device, which can effectively guide and support a piston rod by arranging a piston guide shell on the piston rod of a jack in a sleeving manner and arranging a plurality of guide wheels on the guide shell. The bottom end of the guide shell is connected with a hydraulic support through a plurality of supporting plates, when the guide shell is obliquely installed in a roadway with a large slope, the supporting angle changes, a piston rod of the jack is squeezed, and a rubber layer of the guide wheel can assist in supporting and reduce lateral pressure borne by the piston rod; the supporting plate at the bottom end supports the outer circumference of the guide shell, the stress concentration phenomenon is reduced, the structural stability is enhanced, and in addition, an adjusting device is further arranged at the bottom end of the guide shell. According to the adjusting device, the piston rod extending out of the hydraulic cylinder drives the sliding block to slide, so that the angle of the connecting rod is changed, the angle of the shell is changed, the piston rod of the jack is always kept on the same axis, and uneven stress and potential structural damage caused by angle deviation are avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of support equipment, in particular to a support auxiliary device. Background Art

[0002] Since the maximum slope of the 8003 working face cuts to -17° and there is a large downhill slope, the currently used ZF8000 / 20 / 38 hydraulic supports and ZFG9600 / 23 / 38 transition supports are not equipped with anti-fall devices and cannot effectively adapt to this complex geological condition. This leads to serious safety hazards in the support during the mining operation. The main manifestations are that the support is prone to fall, the bottom of the support falls, and the overlap between the front and rear heads is too long, affecting the normal working face operation. At the same time, the instability of the support also affects the smooth discharge of coal slag, causing slag discharge difficulties, seriously hindering the efficiency and safety of the mining operation.

[0003] In addition, the existing bottom adjustment device is set in the -17° tunnel. Due to the uneven ground of the tunnel, the piston rod of the jack cannot be kept on the same axis when the bottom adjustment device is installed, resulting in uneven force on the jack. The jack on one side is subjected to greater pressure, while the other side is subjected to less pressure. This uneven force will cause the jack to work unstably and even cause damage or failure of the jack. At the same time, after the piston rod of the jack is squeezed after installation, the downward stress makes the piston rod easy to bend, which will not only further damage the function of the jack, but also cause the failure of the entire bottom adjustment device, and ultimately affect the safety and efficiency of the mining operation. Utility Model Content

[0004] The purpose of the utility model is to provide a support auxiliary device to solve the problem that the existing bottom adjustment device is set in a -17° tunnel. Due to the uneven ground of the tunnel, the piston rod of the jack cannot be kept on the same axis when the bottom adjustment device is installed, resulting in uneven force on the jack. The jack on one side is subjected to greater pressure, while the other side is subjected to less pressure. This uneven force will cause the jack to work unstably and even cause damage or failure to the jack. At the same time, after the piston rod of the jack is squeezed after installation, the downward stress makes the piston rod easy to bend, which will not only further damage the function of the jack, but also cause the failure of the entire bottom adjustment device, and ultimately affect the safety and efficiency of the mining operation.

[0005] To achieve the above purpose, the present invention provides the following technical solutions: a support auxiliary device, including a housing, a jack, a guide device, a base plate, an adjustment device, a hydraulic cylinder, and a solenoid valve.

[0006] The shell is composed of two shells, and the shells are connected with reinforcing ribs. The top ends are connected by a connecting shaft. The front end of the shell is hinged with a bottom plate, and a slide groove is provided on the bottom plate. The rear end of the right end shell is provided with a placement groove, and a guide device is connected in the placement groove. A jack is connected in the guide device. A connecting groove is provided at the bottom end of the rear side of the shell, and an adjustment device is provided in the connecting groove.

[0007] The guide device includes an oil cylinder placement shell, a piston guide shell, a guide wheel, and a support plate. The oil cylinder placement shell is connected to the inner wall of the placement groove, and a jack is accommodated therein. The left end of the oil cylinder placement shell is connected to the piston guide shell, the piston guide shell penetrates the reinforcing rib, and the shell of the left outer shell. A number of guide wheels are evenly distributed at an angle on the piston guide shell. The outer circumference of the guide wheel conflicts with the outer circumference of the piston rod of the jack. A number of support plates are evenly distributed on the bottom end of the piston guide shell. The support plates and the guide wheels are staggered.

[0008] The adjusting device includes a slider, a connecting rod, and a hydraulic cylinder. The slider is connected to the slide groove, and the slider is slidably fitted on the base plate. The left and right sides of the slider are respectively hinged with connecting rods, and the other ends of the connecting rods are respectively hinged to the left and right side ends of the inner wall of the connecting groove. A hydraulic cylinder is provided at one end of the slider away from the hinge of the base plate, and the piston rod of the hydraulic cylinder is connected to the slider for driving the slider to slide.

[0009] Preferably, the top end of the support plate is arranged in an arc shape, and the arc end contacts the outer circumference of the piston guide shell.

[0010] Preferably, the contact ends of the guide wheel and the piston guide housing are both provided with a rotating shaft, and a rubber layer is provided on the outer circumference of the guide wheel.

[0011] Preferably, the jack is connected to the oil cylinder through a pipeline, and a regulating valve is connected to the pipeline.

[0012] Preferably, the hydraulic cylinder is connected to the oil cylinder via an oil circuit, and the oil circuit is connected to a solenoid valve.

[0013] Preferably, the height of the connecting groove corresponds to the height of the slider.

[0014] Preferably, a detachable mounting plate is provided on the right shell body and the reinforcing rib of the housing.

[0015] Preferably, the bottom end of the support plate outside the shell is flush with the bottom end of the shell and is connected to the shell.

[0016] Compared with the prior art, the beneficial effects of the present invention are:

[0017] By fitting a piston guide housing over the jack's piston rod and arranging multiple guide wheels on the guide housing, the piston rod can be effectively guided and supported. The bottom end of the guide housing is connected to the hydraulic support via several support plates. When installed at an angle in a steeply sloping roadway, the support angle changes, causing the jack's piston rod to be squeezed. The rubber layer of the guide wheels provides additional support and reduces the lateral pressure on the piston rod. Simultaneously, the support plates at the bottom support the outer circumference of the guide housing, reducing stress concentration and enhancing structural stability.

[0018] Furthermore, an adjustment mechanism is located at the bottom of the guide housing. This mechanism extends the piston rod of the hydraulic cylinder, driving a slider to slide, thereby varying the angle of the connecting rod. This adjustment mechanism allows for precise adjustment of the housing angle to suit installation requirements on ramps, ensuring that the jack's piston rod remains aligned, preventing uneven force and potential structural damage caused by angular deviation. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0020] Figure 2 This is a schematic diagram of the structure in which the oil cylinder placement shell and the piston guide shell cooperate with each other in the utility model.

[0021] Figure 3 This is a schematic structural diagram of the regulating device of the present utility model.

[0022] In the figure: 1. Outer casing; 101. Cylinder housing; 102. Piston guide housing; 103. Guide wheel; 104. Support plate; 2. Jack; 3. Bottom plate; 4. Adjustment device; 401. Slider; 402. Connecting rod; 5. Hydraulic cylinder; 6. Solenoid valve; 7. Mounting plate. DETAILED DESCRIPTION

[0023] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0024] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," "the other end," and the like, indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They are not intended to indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0025] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "provided with," "connected," etc. should be understood in a broad sense. For example, "connected" can mean a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be internal communication between two components. Those skilled in the art will be able to understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0027] Example 1: Please refer to Figure 1-2 The utility model provides an embodiment: a support auxiliary device, including a housing 1, a jack 2, a guide device, a base plate 3, an adjustment device 4, a hydraulic cylinder 5, and a solenoid valve 6.

[0028] The shell 1 is composed of two shells, which are connected by reinforcing ribs and connected at the top by a connecting shaft. The shell 1 serves as the external frame of the entire device and is evenly arranged between the hydraulic supports to support and protect the internal components. It is composed of two shells, which are connected in the middle by reinforcing ribs and at the top by a connecting shaft to form a stable structure. The rigidity of the structure is increased by the reinforcing ribs. The front end of the shell 1 is hinged with a bottom plate 3, and a slide groove is provided on the bottom plate 3. The rear end of the right end shell is provided with a placement groove, and a guide device is connected in the placement groove. A jack 2 is connected in the guide device, and the piston rod of the jack 2 is used to resist the other shell 1 to increase the overall stability. A connecting groove is provided at the bottom end of the rear side of the shell 1, and an adjustment device 4 is provided in the connecting groove.

[0029] The guide device includes a cylinder placement shell 101, a piston guide shell 102, a guide wheel 103, and a support plate 104. The cylinder placement shell 101 is connected to the inner wall of the placement groove. The cylinder placement shell 101 accommodates the jack 2, provides stable support, and prevents the outer shell 1 of the cylinder from being damaged due to movement. At the same time, it is bolted in the placement groove and can be disassembled and installed. The jack 2 is accommodated inside it. The left end of the cylinder placement shell 101 is connected to the piston guide shell 102. The piston guide shell 102 ensures that the piston rod of the jack 2 can move smoothly and accurately during operation, avoiding it from tilting or irregular movement, and guiding the piston rod of the jack 2 to move along a predetermined trajectory. The diameter of the piston guide shell 102 is smaller than that of the cylinder placement shell 101. The piston guide shell 102 penetrates the reinforcing rib and the shell of the left outer shell 1. A number of guide wheels 103 are evenly distributed at angles on the piston guide shell 102. The precise cooperation between the guide wheel 103 and the piston guide shell 102 ensures that the jack 2 The support plates 104 and the guide wheels 103 are staggered to avoid contact with the guide wheels 103. The design of the guide device and the support plates 104 ensures that the movement of the jack 2 is smooth and precise.

[0030] The contact ends of the guide wheel 103 and the piston guide housing 102 are both provided with a rotating shaft. A rubber layer is provided on the outer circumference of the guide wheel 103. The function of the rubber layer is also to disperse stress and avoid friction damage to the outer circumference of the piston rod of the jack 2.

[0031] The jack 2 is connected to the oil cylinder through a pipeline, and a regulating valve is connected to the pipeline.

[0032] The bottom end of the support plate 104 outside the housing 1 is flush with the bottom end of the housing 1 and is connected to the housing 1.

[0033] A detachable mounting plate 7 is provided on the right shell and the reinforcement rib of the housing 1, which is mainly used for later inspection, maintenance and installation. The detachable design facilitates maintenance and inspection, especially when the jack 2 needs to be replaced or adjusted, which can provide convenient disassembly operation and improve the maintainability and service life of the equipment.

[0034] When in use, the shell 1 is installed between the hydraulic supports, the piston rod of the jack 2 is extended, and the piston rod rolls on the guide wheel 103 in the piston guide shell 102, slides smoothly, and then collides with the other shell 1. When the device is installed on a slope, when it is installed at an angle in a tunnel with a larger slope, the support angle changes, causing the piston rod of the jack 2 to be squeezed. The piston rod squeezes the guide wheel 103 and disperses the stress at the same time. At the same time, the support plate 104 and the piston guide shell 102 further disperse the stress to prevent the piston rod of the jack 2 from being subjected to excessive stress and then bending.

[0035] Example 2: Please refer to Figure 1 、 3 , based on Example 1, further comprising the following structure:

[0036] The adjustment device 4 includes a slider 401, a connecting rod 402, and a hydraulic cylinder 5. The slider 401 is connected to the slide groove and slides in the slide groove on the base plate 3. The slider 401 is hinged to the connecting rod 402. The movement of the slider 401 can drive the movement of the connecting rod 402. The slider 401 slides with the base plate 3. The left and right sides of the slider 401 are hinged with connecting rods 402. The function of the connecting rod 402 is to connect the slider 401 to the left and right sides of the connecting groove. After the piston rod of the hydraulic cylinder 5 is extended, the angle of the connecting rod 402 is changed, and the housing 1 is lifted and the angle is changed. This keeps the piston rod of the jack 2 always on the same axis. The other end of the connecting rod 402 is hinged to the left and right ends of the inner wall of the connecting groove. The end of the slider 401 away from the hinge of the base plate 3 is equipped with a hydraulic cylinder 5. The hydraulic cylinder 5 is connected to the slider 401 via the piston rod. The extension and retraction of the hydraulic cylinder 5 drives the sliding of the slider 401. The hydraulic cylinder 5 acts as a power source, controlling the inflow and outflow of hydraulic oil through the oil circuit to generate thrust or pull, thereby driving the slider 401 to slide along the slide groove. The piston rod of the hydraulic cylinder 5 is connected to the slider 401 to drive the slider 401 to slide.

[0037] The height of the connecting groove corresponds to the height setting of the slider 401.

[0038] The hydraulic cylinder 5 is connected to the oil cylinder through an oil circuit, and a solenoid valve 6 is connected to the oil circuit. During use, due to the uneven ground of the tunnel, the piston rod of the jack 2 cannot be kept on the same axis when the bottom adjustment device is installed, resulting in uneven force on the jack 2. The jack 2 on one side is subjected to greater pressure, while the other side is subjected to less pressure. This uneven force will cause the jack 2 to work unstably and even cause the jack 2 to be damaged or fail. The piston rod of the hydraulic cylinder 5 of the adjusting device 4 is extended to drive the slider 401 to slide on the bottom plate 3, and then the angle of the connecting rod 402 is changed, and the angle of the bottom plate 3 is fine-tuned to keep the piston rod of the jack 2 on the same axis at all times.

[0039] The above is only an embodiment of the present invention, and common knowledge such as the specific structure and characteristics of the scheme are not described in detail here. For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic characteristics of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is limited by the appended claims rather than the above description, and it is intended that all changes that fall within the meaning and scope of the equivalent elements of the claims are included in the present invention. Any figure mark in the claims should not be regarded as limiting the claim involved.

Claims

1. A support auxiliary device, characterized in that: It includes a housing (1), a jack (2), a guide device, a base plate (3), an adjustment device (4), a hydraulic cylinder (5), and a solenoid valve (6). The housing (1) is composed of two housings, and the housings are connected with reinforcing ribs, and the top ends are connected by a connecting shaft. The front end of the housing (1) is hinged with a bottom plate (3), and a sliding groove is provided on the bottom plate (3). The rear end of the right end housing is provided with a placement groove, and a guide device is connected in the placement groove, and a jack (2) is connected in the guide device. The rear bottom end of the housing (1) is provided with a connecting groove, and an adjustment device (4) is provided in the connecting groove. The guide device includes a cylinder placement shell (101), a piston guide shell (102), a guide wheel (103), and a support plate (104). The cylinder placement shell (101) is connected to the inner wall of the placement groove and contains a jack (2). The left end of the cylinder placement shell (101) is connected to the piston guide shell (102), and the diameter of the piston guide shell (102) is smaller than that of the cylinder placement shell (101). The piston guide shell (102) penetrates the reinforcing rib and the shell of the left outer shell (1). A plurality of guide wheels (103) are evenly distributed on the piston guide shell (102). The outer circumference of the guide wheel (103) contacts the outer circumference of the piston rod of the jack (2). A plurality of support plates (104) are evenly distributed on the bottom end of the piston guide shell (102). The support plates (104) and the guide wheels (103) are staggered. The regulating device (4) comprises a slider (401), a connecting rod (402), and a hydraulic cylinder (5). The slider (401) is connected to the slide groove. The slider (401) is slidably matched with the base plate (3). The left and right sides of the slider (401) are respectively hinged with connecting rods (402). The other ends of the connecting rods (402) are respectively hinged to the left and right side ends of the inner wall of the connecting groove. The end of the slider (401) away from the hinge of the base plate (3) is provided with a hydraulic cylinder (5). The piston rod of the hydraulic cylinder (5) is connected to the slider (401) for driving the slider (401) to slide.

2. A support auxiliary device according to claim 1, characterized in that: The top end of the support plate (104) is arranged in an arc shape, and the arc end contacts the outer circumference of the piston guide shell (102).

3. The support auxiliary device according to claim 1, characterized in that: The contact ends of the guide wheel (103) and the piston guide housing (102) are both provided with a rotating shaft, and a rubber layer is provided on the outer circumference of the guide wheel (103).

4. The support auxiliary device according to claim 1, characterized in that: The jack (2) is connected to the oil cylinder via a pipeline, and a regulating valve is connected to the pipeline.

5. The support auxiliary device according to claim 1, characterized in that: The hydraulic cylinder (5) is connected to the oil cylinder via an oil circuit, and a solenoid valve (6) is connected to the oil circuit.

6. The support auxiliary device according to claim 1, characterized in that: The height of the connecting groove corresponds to the height setting of the slider (401).

7. The support auxiliary device according to claim 1, characterized in that: A detachable mounting plate (7) is provided on the right shell body and the reinforcing rib of the housing (1).

8. The support auxiliary device according to claim 1, characterized in that: The bottom end of the support plate (104) outside the shell (1) is flush with the bottom end of the shell (1) and is connected to the shell (1).

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