A quick-install hydraulic support

Abstract

This utility model discloses a quick-installation hydraulic support, belonging to the field of hydraulics. It includes a base beam and a top beam. The base beam is connected to the side of the top beam through an auxiliary connecting structure. A column is provided between the base beam and the top beam. Both the base beam and the top beam are connected to the column through a bolt structure. The outer wall of the top beam is provided with opposing side guard plates. The advantages of this utility model compared with the prior art are: this device controls the movement of the side guard plates on the outer wall of the top beam through a drive mechanism located on the side of the reinforcing rib. When the jack extends, it drives the push rod to rotate in a direction perpendicular to the output shaft of the jack. The pin connecting the push rod and the side guard plate pushes the side guard plate to slide outward. The limiting strip prevents the side guard plate from overtravel.

Description

Technical Field

[0001] The utility model relates to the hydraulic field, in particular to a quickly installed hydraulic support. Background Art

[0002] In existing mining operations, in order to ensure that the excavated mine will not collapse, hydraulic supports are usually installed in the excavated hollow area to ensure the safety of the miners.

[0003] Existing hydraulic supports are usually composed of a base beam and a top beam. The height of the hydraulic support is controlled by a column between the two. Auxiliary connecting structures are used on the sides of the base beam and the top beam to ensure their stability. Side guard plates are set on the sides of the top beam and fixed to the sides of the top beam with screws to prevent falling rocks from the top of the mine.

[0004] Using screws to fix the side guards to the sides of the top beam can ensure the safety of the miners, but because the sizes of the mines are different, the expansion degrees of the side guards are also different. If the expansion size of the side guards needs to be changed, the fixing screws need to be removed and re-drilled and installed. This fixing structure is very inconvenient for adjusting the expansion size of the side guards. Utility Model Content

[0005] The technical problem to be solved by the utility model is that the unfolded size of the side guard plate of the existing hydraulic support cannot be quickly adjusted and installed.

[0006] In order to solve the above technical problems, the technical solution provided by the utility model is as follows: a quick-installed hydraulic support, comprising a base beam and a top beam, the base beam is connected to the side of the top beam through an auxiliary connecting structure, a column is arranged between the base beam and the top beam, the base beam and the top beam are both connected to the column through a bolt structure, the outer wall of the top beam is provided with side guard plates opposite to each other, a cavity is arranged inside the top beam, a plurality of reinforcing ribs are arranged inside the cavity, the output end of the column passes through the bottom surface of the reinforcing rib and the side wall of the side guard plate, the output end of the column is connected to the reinforcing rib through body contact, a sliding structure is arranged at the top of the top beam, the side wall of the reinforcing rib is provided with a driving mechanism for driving the side guard plate to move, the driving mechanism comprises a side wall jack located on the reinforcing rib and a pushing rod located at both ends of the side wall of the jack output shaft, the jack output shaft and the side guard plate are both connected to the pushing rod through a pin structure, the pin passes through the side wall of the side guard plate, and the jack is connected to the side wall of the reinforcing rib through a bolt structure.

[0007] As an improvement, the sliding structure includes a plurality of sliding grooves located at the top of the top beam and a slider located on one side of the side guard plate. A limiting bar for limiting the movement position of the slider is provided on one side of the sliding groove, and the limiting bar passes through the side wall of the top beam.

[0008] As an improvement, the slider and the slide groove as well as the limiting strip and the through hole of the side wall of the top beam are all slidably connected through body contact.

[0009] As an improvement, the auxiliary connecting structure includes a first connecting rod located on one side of the top beam and a second connecting rod located on one side of the base beam, an auxiliary telescopic rod is provided between the first connecting rod and the second connecting rod, a telescopic output sleeve and a telescopic base sleeve are respectively provided on both sides of the auxiliary telescopic rod, the telescopic output sleeve passes through the side wall of the second connecting rod, the telescopic base sleeve passes through the side wall of the first connecting rod, the telescopic output sleeve and the second connecting rod, as well as the telescopic base sleeve and the first connecting rod are all connected by a pin structure.

[0010] As an improvement, the first connecting rod and the second connecting rod, the top beam and the first connecting rod, and the base beam and the second connecting rod are all connected by a pin structure.

[0011] As an improvement, the jack and the column are connected to the operating panel via wires.

[0012] The advantages of the utility model compared with the prior art are: the device controls the movement of the side guard plate located on the outer wall of the top beam through the driving mechanism located on the side of the reinforcing rib, the jack is extended, driving the push rod to rotate in the direction perpendicular to the output shaft of the jack, and the side guard plate is pushed to slide outward by the pin connecting the push rod and the side guard plate, and the overtravel of the side guard plate is avoided by the limiting strip. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 The utility model is a general structural diagram of a quick-installation hydraulic support.

[0014] Figure 2 It is an enlarged view of the auxiliary connection structure of a quick-installed hydraulic support of the utility model.

[0015] Figure 3 It is a cross-sectional view of a top beam of a quickly installed hydraulic support of the utility model.

[0016] Figure 4 It is an enlarged view of the driving mechanism of a quick-installed hydraulic support of the utility model.

[0017] Figure 5 It is an exploded diagram of the sliding structure of a quickly installed hydraulic support of the utility model.

[0018] As shown in the figure: 1. Base beam; 2. Top beam; 21. Cavity; 22. Reinforcing ribs; 23. Sliding structure; 231. Slide groove; 232. Slider; 233. Limiting strip; 24. Driving mechanism; 241. Jack; 242. Push rod; 3. Auxiliary connecting structure; 31. First connecting rod; 32. Second connecting rod; 33. Auxiliary telescopic rod; 34. Telescopic output sleeve; 35. Telescopic base sleeve; 4. Column; 5. Side guard plate. DETAILED DESCRIPTION

[0019] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0020] As the instruction manual Figure 1 , 2 As shown, it includes a base beam 1 and a top beam 2, the base beam 1 is connected to the side of the top beam 2 through an auxiliary connecting structure 3, the auxiliary connecting structure 3 includes a first connecting rod 31 located on one side of the top beam 2 and a second connecting rod 32 located on one side of the base beam 1, an auxiliary telescopic rod 33 is arranged between the first connecting rod 31 and the second connecting rod 32, and a telescopic output shaft sleeve 34 and a telescopic base shaft sleeve 35 are respectively arranged on both sides of the auxiliary telescopic rod 33, the telescopic output shaft sleeve 34 passes through the side wall of the second connecting rod 32, and the telescopic base shaft sleeve 35 passes through the side wall of the first connecting rod 31, the telescopic output shaft sleeve 34 and the second connecting rod 32, and the telescopic base shaft sleeve 35 and the first connecting rod 31 are all connected through a pin structure, the first connecting rod 31 and the second connecting rod 32, the top beam 2 and the first connecting rod 31, and the base beam 1 and the second connecting rod 32 are all connected through a pin structure, the stability of the first connecting rod 31 and the second connecting rod 32 is protected by the auxiliary telescopic rod 33, and the collapse caused by the unstable center of gravity of the auxiliary connecting structure 3 is avoided.

[0021] A column 4 is provided between the base beam 1 and the top beam 2. The base beam 1 and the top beam 2 are connected to the column 4 via a bolt structure. The column 4 is connected to the operating panel via a wire. The position of the top beam 2 is controlled by adjusting the height of the column 4.

[0022] As the instruction manual Figure 1 , 3As shown in , 4, the outer wall of the top beam 2 is provided with side guard plates 5 opposite to each other, the interior of the top beam 2 is provided with a cavity 21, the interior of the cavity 21 is provided with a plurality of reinforcing ribs 22, the output end of the column 4 passes through the bottom surface of the reinforcing rib 22 and the side wall of the side guard plate 5, the output end of the column 4 is connected with the reinforcing rib 22 through body contact, the top end of the top beam 2 is provided with a sliding structure 23, the sliding structure 23 includes a plurality of slide grooves 231 located at the top end of the top beam 2 and a slider 232 located on one side of the side guard plate 5, one side of the slide groove 231 is provided with a limiting bar 233 for limiting the moving position of the slider 232, the limiting bar 233 passes through the side wall of the top beam 2, the slider 232 and the slide groove 231, as well as the limiting bar 233 and the through hole of the side wall of the top beam 2 are all slidably connected through body contact, and the sliding connection between the slider 232 and the slide groove 231 allows the side guard plate 5 to autonomously control the degree of expansion.

[0023] The side wall of the reinforcing rib 22 is provided with a driving mechanism 24 for driving the side guard plate 5 to move, and the driving mechanism 24 includes a side wall jack 241 located on the reinforcing rib 22 and a pushing rod 242 located at both ends of the side wall of the output shaft of the jack 241. The output shaft of the jack 241 and the side guard plate 5 are connected to the pushing rod 242 through a pin structure, and the pin passes through the side wall of the side guard plate 5. The jack 241 is connected to the side wall of the reinforcing rib 22 through a bolt structure, and the jack 241 is connected to the operating panel through a wire. By changing the length of the output shaft of the jack 241, the pushing rod 242 is pushed to indirectly change the extension degree of the side guard plate 5.

[0024] During the specific implementation of the utility model, align the screw holes of the base beam 1 and the column 4, screw in the screws to fix them, pass the output shaft of the column 4 through the through hole on the reinforcing rib 22, align the screw holes of the two, screw in the screws to fix them; align the pin hole of the top beam 2 with the pin hole on one side of the first connecting rod 31, insert the pin to fix it, align the pin hole of the base beam 1 with the pin hole of the second connecting rod 32, insert the pin to fix it, align the screw holes of the first connecting rod 31 and the second connecting rod 32, insert the pin to fix them; put the telescopic output shaft sleeve 34 and the telescopic base shaft sleeve 35 on the side of the output shaft and the bottom surface of the auxiliary telescopic rod 33 respectively; align the bottom column pin hole of the telescopic output shaft sleeve 34 with the internal through hole of the second connecting rod 32 Align the pin holes on the side walls of the groove, insert the pins to fix them, align the pin holes on the bottom surface of the telescopic base sleeve 35 with the pin holes on the side walls of the internal through groove of the first connecting rod 1, and insert the pins to fix them; fix the jack 241 to the side walls of the internal reinforcing rib 22 of the top beam 2 with screws; place push rods 242 on both sides of the output shaft of the jack 241 so that the pins fix it (the push rods 242 and the side guard plates 5 are parallel to each other), put the side guard plates 5 on the outer wall of the top beam 2 (note that the slider 232 is located in the slide groove 231), insert the limiting strip 233 into the through hole of the limiting strip 233 on the side of the top beam 2, pass the pin through the pin hole of the side guard plate 5, and insert it into the pin hole on one side of the push rod 242 to fix it.

[0025] When in use, the column 4 is started through the operation panel, and the position of the top beam 2 is controlled by adjusting the height of the column 4. After the position of the top beam 2 is determined, the jack 241 is started, and the angle of the pushing rod 242 is controlled by the extension and retraction of the jack 241. The side guard plates 5 are pushed to move horizontally to both sides of the top beam 2 through the pushing rod 242 until the side guard plates 5 completely cover the operators under the hydraulic support to prevent the operators from being injured by falling rocks. After the end, the jack 241 is directly retracted to indirectly drive the closing of the side guard plates 5, avoiding the problem of difficulty in disassembling the side guard plates 5 when changing the deployment degree of the side guard plates 5.

[0026] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. A quick-install hydraulic support, comprising a base beam (1) and a top beam (2), wherein the base beam (1) is connected to the side of the top beam (2) via an auxiliary connection structure (3), a column (4) is provided between the base beam (1) and the top beam (2), the base beam (1) and the top beam (2) are both connected to the column (4) via a bolt structure, and the outer wall of the top beam (2) is provided with side guard plates (5) opposed to each other, characterized in that: A cavity (21) is provided inside the top beam (2), and a plurality of reinforcing ribs (22) are provided inside the cavity (21). The output end of the column (4) passes through the bottom surface of the reinforcing rib (22) and the side wall of the side guard plate (5), and the output end of the column (4) is connected to the reinforcing rib (22) through body contact. A sliding structure (23) is provided at the top end of the top beam (2), and a driving mechanism (24) for driving the side guard plate (5) to move is provided on the side wall of the reinforcing rib (22). The driving mechanism (24) includes a side wall jack (241) located on the reinforcing rib (22) and a push rod (242) located at both ends of the side wall of the output shaft of the jack (241). The output shaft of the jack (241) and the side guard plate (5) are connected to the push rod (242) through a pin structure, and the pin passes through the side wall of the side guard plate (5). The jack (241) is connected to the side wall of the reinforcing rib (22) through a bolt structure.

2. A quick-install hydraulic support according to claim 1, characterized in that: The sliding structure (23) comprises a plurality of sliding grooves (231) located at the top end of the top beam (2) and a slider (232) located at one side of the side guard plate (5); a limiting strip (233) for limiting the moving position of the slider (232) is provided on one side of the sliding groove (231); and the limiting strip (233) passes through the side wall of the top beam (2).

3. A quick-install hydraulic support according to claim 2, characterized in that: The slider (232) and the slide groove (231) as well as the limiting strip (233) and the through hole on the side wall of the top beam (2) are all connected in sliding manner through body contact.

4. A quick-installation hydraulic support according to claim 1, characterized in that: The auxiliary connection structure (3) comprises a first connecting rod (31) located on one side of the top beam (2) and a second connecting rod (32) located on one side of the base beam (1); an auxiliary telescopic rod (33) is provided between the first connecting rod (31) and the second connecting rod (32); a telescopic output shaft sleeve (34) and a telescopic base shaft sleeve (35) are provided on both sides of the auxiliary telescopic rod (33); the telescopic output shaft sleeve (34) passes through the side wall of the second connecting rod (32); the telescopic base shaft sleeve (35) passes through the side wall of the first connecting rod (31); the telescopic output shaft sleeve (34) and the second connecting rod (32) as well as the telescopic base shaft sleeve (35) and the first connecting rod (31) are all connected via a pin structure.

5. A quick-installation hydraulic support according to claim 4, characterized in that: The first connecting rod (31) and the second connecting rod (32), the top beam (2) and the first connecting rod (31), and the base beam (1) and the second connecting rod (32) are all connected via a pin structure.

6. A quick-install hydraulic support according to claim 1, characterized in that: The jack (241) and the column (4) are both connected to the operating panel via wires.

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