Single-column type circulating supporting forepoling for coal mine

Abstract

The utility model discloses a single-column circulating support forepoling for a coal mine, which comprises a front arc frame, a front support, a rear support, a rear arc frame and a moving component, and the front arc frame, the front support, the rear support and the rear arc frame are sequentially spliced through bolts and are respectively provided with a movable groove. The moving assembly comprises a movable seat, a lifting seat and a tightening piece, the lifting seat and the tightening piece synchronously move along with the movable seat, an abutting groove is formed in the movable seat, a stepped shaft part is arranged on the abutting groove, and the stepped shaft part is movably arranged in the movable groove so that the abutting groove can slide in cooperation with the front arc frame, the front support, the rear support and the rear arc frame. According to the single-column type circularly-supported forepoling for the coal mine, the stepped shaft part of the movable seat is movably arranged in the movable grooves of the front arc frame, the front bracket, the rear bracket and the rear arc frame, so that firstly, the lateral inclined pressure of the movable seat on the bottom bracket when the supporting column is moved can be reduced; therefore, the problem that the bottom support is twisted, deformed and damaged due to inclined pressure is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to coal mine support support technical field, concretely related to a kind of single-column type cycle support's advance support for coal mine. BACKGROUND

[0002] The single-column type advance support is mainly used for the support of coal mine underground haulage roadway at present.The support mode is arranged two rows of single-column type advance supports on the upper and lower sides of roadway.

[0003] According to the announcement number CN221742663U, the announcement date: 2024.09.20, a kind of coal mine single-column type cycle support's advance support is disclosed.The utility model includes the first support body for supporting the top of roadway, the track assembly for the first support body moving frame and the moving frame device for lifting the first support body;Track assembly is detachable closed loop track, and the bottom of the first support body is connected with the bottom of track assembly, and the bottom of moving frame device is installed on track assembly, and the end of moving frame device towards the inside of track assembly is connected with the first support body.

[0004] In the prior art including the above-mentioned patent, the moving frame device is slidably arranged on the straight track and arc track made of I-beam to move and transport the support body by the moving frame device, and the support body on the rear side is moved to the front side for cycle support, wherein the sliding block of the moving frame device is provided with a laterally protruding clamp, when the clamp tightly clamps and lifts the support column, the support column is located laterally between the sliding block and the track, so that the support column exerts a large and inclined pressure on the sliding block, and the track is easily twisted and deformed and damaged by the inclined pressure. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a kind of coal mine single-column type cycle support's advance support, to solve the above-mentioned problems.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of coal mine single-column type cycle support's advance support, including front arc frame, front support, rear support, rear arc frame and moving assembly, the front arc frame, front support, rear support, rear arc frame are sequentially bolted and bolted and its four are all set with movable slot to make several movable slots splice present waist round, the moving assembly includes movable seat and the lifting seat and tight clamp piece that follow movable seat synchronous activity, the movable seat is set with the contact groove, the contact groove is provided with ladder shaft part, the ladder shaft part is arranged in movable slot to make the contact groove and front arc frame, front support, rear support and rear arc frame cooperate sliding.

[0007] As preferred, the horizontal sliding seat is provided with a horizontal sliding base, the lifting seat is vertically slidably arranged on the horizontal sliding base, the first end of the lifting seat is provided with a half-circular arc-shaped clamping part, the clamping part is half-circular arc-shaped and is bolted with the clamping part, and the horizontal sliding base is slidably close to the movable seat so that the lifting seat is abutted in the limiting groove arranged on the movable seat.

[0008] As preferred, a threaded rod is rotatably arranged on the horizontal sliding base, the second end of the lifting seat is provided with a matching part, and a threaded hole is arranged on the matching part and is threadedly matched with the threaded rod.

[0009] As preferred, the lifting seat is Z-shaped to have a high end and a low end, the matching part is the high end, and the clamping part is the low end.

[0010] As preferred, a vertical sliding groove is arranged on the horizontal sliding base, and the lifting seat is slidably arranged in the vertical sliding groove.

[0011] As preferred, a abutting roller is rotatably arranged on the first end of the horizontal sliding base, and the abutting roller is located on the side of the vertical sliding groove to abut on the lifting seat.

[0012] As preferred, a flexible plate is arranged on the lifting seat, the flexible plate is located between the matching part and the horizontal sliding base, and a wrapping hole is arranged on the flexible plate and is used for wrapping the threaded rod.

[0013] As preferred, an embedding part is arranged on the flexible plate, and the lifting seat is driven to slide close to the horizontal sliding base so that the embedding part is embedded between the vertical sliding groove and the abutting roller.

[0014] As preferred, a sliding groove is arranged on the movable seat, and the horizontal sliding base is slidably arranged in the sliding groove.

[0015] As preferred, one side wall of the abutting groove is arc-shaped to be matched with the inner arc surface of the front arc frame and the rear arc frame.

[0016] In the above technical solution, the utility model provides a single-column type circulating support advanced support for coal mine, which has the following beneficial effects: the stepped shaft part of the movable seat is movably arranged in the movable groove of the front arc frame, the front support, the rear support and the rear arc frame, which can firstly reduce the lateral tilting pressure of the movable seat on the bottom support when the support column is moved, thereby avoiding the problem of torsional deformation damage of the bottom support caused by the tilting pressure, and the abutting groove contacts and cooperates with the bottom support during the movement of the movable seat along the bottom support, thereby further reducing the tilting pressure of the movable seat on the bottom support, improving the protection of the bottom support, and improving the sliding stability of the movable seat when driving the support column to move. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed in the embodiments. Obviously, the drawings described below are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings.

[0018] Figure 1 The overall structure schematic view provided by the embodiment of the present application is shown in the figure.

[0019] Figure 2 The overall structure sectional view provided by the embodiment of the present application is shown in the figure.

[0020] Figure 3 The exploded structure schematic view of the front support, the rear support, the front arc support and the rear arc support provided by the embodiment of the present application is shown in the figure.

[0021] Figure 4 The structure schematic view of the moving assembly provided by the embodiment of the present application is shown in the figure.

[0022] Figure 5 The exploded structure schematic view of the moving assembly provided by the embodiment of the present application is shown in the figure.

[0023] Explanation of reference signs:

[0024] 11, front support; 12, rear support; 13, front arc support; 14, rear arc support; 2, support column; 3, moving assembly; 31, movable seat; 311, abutting groove; 3111, arc surface; 312, stepped shaft part; 313, sliding groove; 314, limiting groove; 32, horizontal sliding seat; 321, vertical sliding groove; 33, lifting seat; 331, clamping part; 332, matching part; 333, threaded hole; 34, clamping piece; 4, threaded rod; 5, abutting roller; 6, flexible plate; 61, wrapping hole; 62, embedded part; 91, movable groove; 92, mounting hole; 93, fixed through hole. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be described clearly and completely below in combination with the drawings of the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. Based on the described embodiments of the present application, all other embodiments obtained by those skilled in the art without any creative effort belong to the protection scope of the present application.

[0026] As Figures 1-5As shown, a kind of single-column type coal mine with circulating support advance support, including front arc frame 13, front support 11, rear support 12, rear arc frame 14 and moving assembly 3, front arc frame 13, front support 11, rear support 12, rear arc frame 14 are bolted in sequence and the four are all set with movable slot 91 to make several movable slot 91 be spliced into waist round, moving assembly 3 includes movable seat 31 and synchronous activity lifting seat 33 and tight clamp 34 followed movable seat 31, movable seat 31 is set with abutment groove 311, ladder shaft portion 312 is arranged in movable slot 91 in abutment groove 311 to make abutment groove 311 with front arc frame 13, front support 11, rear support 12 and rear arc frame 14 cooperate and slide.

[0027] Specifically, it further includes support column 2, and the front arc frame 13, the front support 11, the rear support 12 and the rear arc frame 14 can be set with aligned through holes to be bolted in sequence to form a bottom support, and the ladder shaft portion 312 of the movable seat 31 is movably arranged in the movable slot 91 of the spliced front arc frame 13, front support 11, rear support 12 and rear arc frame 14, so that the movable seat 31 can drive the lifting seat 33 and the tight clamp 34 arranged thereon to move, when supporting operation is performed, the bottom of the support column 2 can be fixed on the mounting hole 92 formed on the front support 11 and the rear support 12 by bolts, and the upper end of the support column 2 extends to the top of the coal mine tunnel for support, and when the support needs to be advanced in a cycle, the lifting seat 33 and the tight clamp 34 can be first tightened on the rear support column 2, then the bottom of the rear support column 2 is unbolted, and the movable seat 31 is moved along the rear support 12, the rear arc frame 14 and the front arc frame 13 in sequence to move the support column 2 to the front side for mounting and supporting, then the rear support 12 and the rear arc frame 14 are removed and bolted to the front side of the front support 11, and the front arc frame 13 is connected to the rear side of the front support 11, thereby completing the cycle of the bottom support. The ladder shaft portion 312 of the movable seat 31 is movably arranged in the movable slot 91 of the front arc frame 13, the front support 11, the rear support 12 and the rear arc frame 14, which can first reduce the lateral tilting pressure of the movable seat 31 on the bottom support when moving the support column 2, thereby avoiding the problem of twisting deformation and damage of the bottom support due to tilting pressure, and the abutment groove 311 also contacts and slides with the bottom support during the movement of the movable seat 31 along the bottom support, thereby further reducing the tilting pressure of the movable seat 31 on the bottom support, improving the protection of the bottom support, and improving the sliding stability of the movable seat 31 when moving the support column 2.

[0028] In the above technical solution, the stepped shaft portion 312 of the movable seat 31 is movably arranged in the movable groove 91 of the front arc frame 13, the front support 11, the rear support 12, and the rear arc frame 14. This firstly reduces the lateral tilting pressure of the movable seat 31 on the bottom support when the support column 2 is moved, thereby avoiding the problem of the bottom support being damaged by torsional deformation due to tilting pressure. During the movement of the movable seat 31 along the bottom support, the contact groove 311 also contacts and slides with the bottom support, thereby further reducing the tilting pressure of the movable seat 31 on the bottom support, improving the protection of the bottom support, and also improving the sliding stability when the movable seat 31 drives the support column 2 to move.

[0029] As a further embodiment of this utility model, a horizontal slide block 32 is horizontally slidably disposed on the movable seat 31, and a lifting seat 33 is vertically slidably disposed on the horizontal slide block 32. The first end of the lifting seat 33 is provided with a semi-circular arc-shaped clamping part 331, and the clamping part 34 is semi-circular arc-shaped and bolted to the clamping part 331. The horizontal slide block 32 slides close to the movable seat 31 so that the lifting seat 33 abuts against the limiting groove 314 opened on the movable seat 31.

[0030] Specifically, such as Figure 5 As shown, the lower end of the lifting seat 33 is the first end. A clamping part 331 is provided on the lower end of the lifting seat 33. The clamping part 331 and the lifting seat 331 can be fixedly connected by bolts. Both the clamping member 34 and the clamping part 331 are provided with fixing through holes 93. The clamping member 34 and the clamping part 331 can be clamped onto the support column 2 through the fixing through holes 93 and bolts, thereby fixing the support column 2 onto the lifting seat 33. The lifting seat 33 and the support column 2 slide synchronously with the movable seat 31. The clamping part 331 and the clamping member 34 are used to complete the fixing operation of the support column 2, thereby improving the fixing stability of the support column 2.

[0031] As a further embodiment of this utility model, it also includes a threaded rod 4 rotatably mounted on a horizontal slide block 32, and a mating part 332 is provided at the second end of the lifting seat 33, and a threaded hole 333 is provided on the mating part 332 to threadly engage with the threaded rod 4.

[0032] Specifically, such as Figure 5 As shown, the upper end of the lifting seat 33 is the second end, and a mating part 332 is provided at the upper end of the lifting seat 33. The mating part 322 is a part of the lifting seat 33, and as... Figure 2 As shown, the threaded rod 4 is rotatably mounted on the horizontal slide block 32, and the threaded rod 4 is threadedly engaged with the threaded hole 333 of the mating part 332. By rotating the threaded rod 4, the lifting seat 33 can be driven to move on the horizontal slide block 32, thereby driving the support column 2 to slide and rise vertically. This allows the support column 2 to be raised first and then moved and adjusted with the movable seat 31, making it convenient to move and adjust the support position of the support column 2.

[0033] As further provided by the utility model, the lifting seat 33 is Z-shaped to have a high end and a low end, the matching part 332 is the high end, and the clamping part 331 is the low end.

[0034] Specifically, as shown in the figure, Figure 5 the lifting seat 33 is Z-shaped, the matching part 332 is located at the high end of the Z shape of the lifting seat 33, and the clamping part 331 is located at the low end of the Z shape of the lifting seat 33. When the support column 2 needs to be moved, the support column 2 is fixed on the clamping part 331, the matching part 332 is threadedly matched with the threaded rod 4, and the Z-shaped lifting seat 33 is used to reduce the tilting pressure of the support column 2 on the lifting seat 33, thereby reducing the pressure-induced deformation of the lifting seat 33 during the transportation of the support column 2 and further improving the service life of the lifting seat 33.

[0035] As further provided by the utility model, a vertical sliding groove 321 is formed in the horizontal sliding seat 32, and the lifting seat 33 is slidingly arranged in the vertical sliding groove 321.

[0036] Specifically, as shown in the figure, Figure 5 the lifting seat 33 is slidingly arranged in the vertical sliding groove 321 of the horizontal sliding seat 32 to improve the vertical sliding stability of the lifting seat 33.

[0037] As further provided by the utility model, a first end of the horizontal sliding seat 32 is rotationally provided with a contact roller 5, and the contact roller 5 is located on the side surface of the vertical sliding groove 321 to contact the lifting seat 33.

[0038] Specifically, as shown in the figure, Figure 2 the end of the horizontal sliding seat 32 close to the support column 2 is the first end, and the contact roller 5 is arranged on the first end. When the horizontal sliding seat 32 slides close to the installed support column 2, the contact roller 5 of the horizontal sliding seat 32 contacts the support column 2, thereby prompting the horizontal sliding seat 32 to move into position, facilitating the actual dismounting and connecting operation of the support column 2. At this time, the clamping member 34 and the clamping part 331 can be used to clamp and fix the support column 2. The contact roller 5 is located between the lifting seat 33 and the support column 2. When the upper end of the support column 2 is retracted to contact the support of the mine tunnel, the contact roller 5 rotates synchronously with the retraction of the support column 2, and the contact roller 5 rubs against the lifting seat 33 to make the lifting seat 33 vibrate, thereby shaking off the dust and sand on the surface of the support column 2.

[0039] As further provided by the utility model, a flexible plate 6 is arranged on the lifting seat 33, the flexible plate 6 is located between the matching part 332 and the horizontal sliding seat 32, and a wrapping hole 61 for wrapping the threaded rod 4 is formed in the flexible plate 6.

[0040] Specifically, as shown in the figure, Figure 2As shown, the flexible plate 6 is located between the matching portion 332 and the horizontal sliding seat 32 to achieve contact buffering when the lifting seat 33 is vertically lowered, so as to avoid hard impact between the lifting seat 33 and the horizontal sliding seat 32 and improve the protection of the lifting seat 33. The wrapping hole 61 of the flexible plate 6 wraps the outer side of the threaded rod 4, and when the threaded rod 4 rotates to control the lifting of the lifting seat 33, the existence of the wrapping hole 61 can scratch and clean the outer surface of the threaded rod 4, thereby avoiding the problem that dust and sand are stuck on the outer thread of the threaded rod 4, and improving the cooperation stability of the threaded rod 4 and the lifting seat 33.

[0041] As a further provided embodiment of the utility model, the flexible plate 6 is provided with an embedded portion 62, and the lifting seat 33 is driven to slide close to the horizontal sliding seat 32 so that the embedded portion 62 is embedded between the vertical sliding groove 321 and the abutting roller 5.

[0042] Specifically, as shown in the figure, Figure 5 When the lifting seat 33 is driven to slide and descend to close to the horizontal sliding seat 32, the lifting seat 33 is in a low position at this time and needs to be fixed and installed by clamping the support column 2, and the embedded portion 62 is embedded between the vertical sliding groove 321 and the abutting roller 5, so that the embedded portion 62 is abutted between the vertical sliding groove 321 and the abutting roller 5 to improve the activity resistance of the abutting roller 5 and the lifting seat 33, thereby further improving the stability of the support column 2 fixed to the lifting seat 33, and facilitating the actual installation work of the staff.

[0043] As a further provided embodiment of the utility model, the movable seat 31 is provided with a sliding groove 313, and the horizontal sliding seat 32 is slidably arranged in the sliding groove 313.

[0044] Specifically, as shown in the figure, Figure 5 The horizontal sliding seat 32 is slidably arranged in the sliding groove 313 of the movable seat 31 to improve the horizontal sliding stability of the horizontal sliding seat 32.

[0045] As a further provided embodiment of the utility model, one side wall of the abutting groove 311 is an arc surface 3111 to fit the inner arc surface of the front arc frame 13 and the rear arc frame 14.

[0046] Specifically, as shown in the figure, Figure 4As shown, the side wall of the abutting groove 311 is arc surface 3111, when the movable seat 31 drives the horizontal slide 32, the lifting seat 33 and the support column 2 to slide along the bottom support through the front arc bracket 13 and the rear arc bracket 14, the abutting groove 311 of the movable seat 31 abuts the side of the front arc bracket 13 and the rear arc bracket 14, and the arc surface 3111 of the abutting groove 311 abuts the inner side arc surface of the front arc bracket 13 and the rear arc bracket 14 to further improve the activity stability of the movable seat 31 carrying the support column 2, and can reduce the lateral torsion pressure of the movable seat 31 to the front arc bracket 13 and the rear arc bracket 14, thereby improving the protection of the front arc bracket 13 and the rear arc bracket 14.

[0047] The above only describes certain exemplary embodiments of the present application by way of illustration, without doubt, for those skilled in the art, without departing from the spirit and scope of the present application, the described embodiments can be modified in various ways. Therefore, the above drawings and description are illustrative in nature and should not be construed as limiting the scope of protection of the present application.

Claims

1. A single prop cycle support advance support for coal mines, characterized by, The utility model provides a kind of arc-shaped frame, including front arc frame (13), front support (11), rear support (12), rear arc frame (14) and moving assembly (3), the front arc frame (13), front support (11), rear support (12), rear arc frame (14) are bolted in sequence and its four are all set with movable slot (91) to make several movable slot (91) splice into waist round, the moving assembly (3) includes movable seat (31) and synchronous activity lifting seat (33) and tight clamp piece (34) followed movable seat (31), the movable seat (31) is set with abutment groove (311), the abutment groove (311) is provided with ladder shaft portion (312), the ladder shaft portion (312) is arranged in movable slot (91) to make abutment groove (311) cooperate with front arc frame (13), front support (11), rear support (12) and rear arc frame (14) and slide.

2. The single-column cyclic support advance support for coal mines according to claim 1, characterized in that, The movable seat (31) is horizontally slidably provided with a horizontal sliding seat (32), the lifting seat (33) is vertically slidably arranged on the horizontal sliding seat (32), the first end of the lifting seat (33) is provided with a half-circular arc-shaped tight clamp portion (331), the tight clamp piece (34) is half-circular arc-shaped and bolted with the tight clamp portion (331), the horizontal sliding seat (32) slides close to the movable seat (31) to make the lifting seat (33) abut in the limiting groove (314) opened on the movable seat (31).

3. The single-column cyclic support advance support for coal mines according to claim 2, characterized in that, A threaded rod (4) is further rotatably arranged on the horizontal sliding seat (32), the second end of the lifting seat (33) is provided with a matching portion (332), and the matching portion (332) is provided with a threaded hole (333) threadedly matched with the threaded rod (4).

4. The single-column cyclic support advance support for coal mines according to claim 3, characterized in that, The lifting seat (33) is Z-shaped to have a high end and a low end, the matching portion (332) is the high end, and the tight clamp portion (331) is the low end.

5. The single-column cyclic support advance support for coal mines according to claim 3, characterized in that, A vertical sliding groove (321) is opened on the horizontal sliding seat (32), and the lifting seat (33) is slidably arranged in the vertical sliding groove (321).

6. The single prop cycle support forepoling support for coal mines according to claim 5, characterized in that, A abutting roller (5) is rotatably arranged at the first end of the horizontal sliding seat (32), and the abutting roller (5) is located at the side of the vertical sliding groove (321) to abut on the lifting seat (33).

7. The single-column cyclic support advance support for coal mines according to claim 6, characterized in that, A flexible plate (6) is arranged on the lifting seat (33), the flexible plate (6) is located between the matching portion (332) and the horizontal sliding seat (32), and the flexible plate (6) is provided with a wrapping hole (61) for wrapping the threaded rod (4).

8. The single-column cyclic support advance support for coal mines according to claim 7, characterized in that, An embedded portion (62) is arranged on the flexible plate (6), and the lifting seat (33) is driven to slide close to the horizontal sliding seat (32) to make the embedded portion (62) embedded between the vertical sliding groove (321) and the abutting roller (5).

9. The single-column cyclic support advance support for coal mines according to claim 2, characterized in that, A sliding groove (313) is opened on the movable seat (31), and the horizontal sliding seat (32) is slidably arranged in the sliding groove (313).

10. The single prop cycle support forepoling support for coal mines according to claim 1, characterized in that, One side wall of the abutment groove (311) is an arc surface (3111) to fit the inner arc surface of the front arc frame (13) and the rear arc frame (14).

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