Combined supporting frame for coal mine tunnel

Abstract

The utility model relates to the technical field of coal mine tunnel construction, in particular to a combined supporting frame for a coal mine tunnel, which comprises a plurality of groups of supporting rods, the tops of the plurality of groups of supporting rods are all movably connected with connecting rods, and the tops of the plurality of groups of supporting rods are all provided with adjusting structures. The adjusting structure comprises lower rotating blocks, first adjusting rods, upper rotating blocks and second adjusting rods, the tops of the multiple sets of connecting rods are fixedly connected with the lower rotating blocks, the tops of the multiple sets of lower rotating blocks are fixedly connected with bearings, the top ends of the multiple sets of bearings are fixedly connected with the upper rotating blocks, and the first adjusting rods are fixedly connected between the multiple sets of lower rotating blocks; second adjusting rods are fixedly connected between the multiple sets of upper rotating blocks. The combined supporting frame for the coal mine roadway has the advantage that the supporting area of the supporting frame can be adjusted through the arranged adjusting structure.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of coal mine roadway construction, especially relates to a combined support frame for coal mine roadway. BACKGROUND

[0002] The coal mine roadway is various underground passages excavated for the purpose of coal mining, transportation, ventilation, drainage, power supply and personnel passage during the underground mining of coal mines. These roadways are the infrastructure of coal mine production and are crucial to the safety production and efficient operation of coal mines. A support frame is usually arranged at the key position of the roadway to support the inner wall of the roadway.

[0003] In the existing tunneling working face, the tunneling machine driver only refers to the center line of the working face when cutting coal, and there is no obvious reference for the two sides of the roadway. The tunneling machine driver can only rely on personal experience, which may cause the two sides of the roadway to be not straight, bright or dark, and the formation to be poor. Finally, the working face has to be repeated to repair the sides, which not only causes engineering quality problems, but also wastes labor input. The existing roadway support frame usually has a fixed support area. In a larger support position, multiple support frames need to be installed, which is troublesome and time-consuming.

[0004] Therefore, it is necessary to provide a new combined support frame for coal mine roadway to solve the above technical problems. UTILITY MODEL CONTENT

[0005] To solve the above technical problems, the utility model provides a combined support frame for coal mine roadway.

[0006] The combined support frame for coal mine roadway provided by the utility model comprises:

[0007] The support rods are provided in multiple groups, and the top of each group of support rods is movably connected with a connecting rod;

[0008] The top of each group of support rods is provided with an adjusting structure, and the adjusting structure comprises a lower rotating block, a first adjusting rod, an upper rotating block and a second adjusting rod. The top of each group of connecting rods is fixedly connected with a lower rotating block, the top of each group of lower rotating blocks is fixedly connected with a bearing, the top end of each group of bearings is fixedly connected with an upper rotating block, each group of lower rotating blocks is fixedly connected with a first adjusting rod, and each group of upper rotating blocks is fixedly connected with a second adjusting rod.

[0009] The bottom of each group of first adjusting rods is fixedly connected with a laser lamp, and each group of laser lamps emits downward.

[0010] Preferably, the bottom of each group of support rods is fixedly connected with a base. The base can support the support frame.

[0011] Preferably, the inner side of the plurality of support rods is fixedly connected with a handle, and the handle can be conveniently adjusted in size.

[0012] Preferably, the top of the plurality of second adjusting rods is fixedly connected with a support block, and the support block is provided in multiple groups, and the support block can support the top of the roadway.

[0013] Preferably, the plurality of lower rotating blocks are fixedly connected with an extension rod, and the extension rod is provided in multiple groups, and the extension rod can connect the plurality of lower rotating blocks.

[0014] Preferably, one side of the plurality of laser lamps is fixedly connected with an electric wire, and the electric wire is provided in two groups, and the electric wire can provide power for the laser lamp.

[0015] Preferably, the top of the plurality of support rods is fixedly connected with a threaded rod, and the threaded rod can fix the support rod.

[0016] Preferably, the bottom of the plurality of connecting rods is provided with a threaded groove, and the plurality of threaded rods are engaged with the threaded groove of the connecting rod, and the threaded rod cooperated with the threaded groove of the connecting rod can conveniently disassemble the support rod.

[0017] Compared with the related art, the combined support frame for coal mine roadway has the following beneficial effects:

[0018] The utility model provides a combined support frame for coal mine roadway,

[0019] 1, the utility model discloses can pass through the adjusting structure of setting and adjust the area of support frame support, after installing support frame to the roadway, can pass through the manual holding handle, and the handle is pulled to both sides simultaneously, and the support rod is driven to expand to both sides, and the lower rotating block is driven to rotate and staggered rotation with the upper rotating block through the rotation of bearing, and the first adjusting rod and the second adjusting rod are driven to expand to both sides, and the whole support frame is driven to expand the support surface of top to both sides, thereby realize increasing the support area of support frame,

[0020] 2, the utility model discloses can pass through the laser lamp mark auxiliary line of setting, after adjusting the position of support frame, can pass through the manual wire connection outside power, and the laser lamp is lighted, and the bottom radiation end of laser lamp marks the laser line on the roadway ground of support frame bottom, thereby realize marking the width of roadway and convenient traffic and coal cutting operation. DRAWINGS

[0021] Figure 1 The utility model provides a combined support frame for coal mine roadway whole structure schematic diagram;

[0022] Figure 2 The Figure 1The side sectional structure schematic view of the combined coal mine roadway support frame is shown.

[0023] Figure 3 For Figure 1 The front sectional structure schematic view of the combined coal mine roadway support frame is shown.

[0024] In the figure, 1 is a support rod, 2 is a base, 3 is a handle, 4 is a connecting rod, 5 is a threaded rod, 6 is a lower rotating block, 7 is a first adjusting rod, 8 is a bearing, 9 is an upper rotating block, 10 is a second adjusting rod, 11 is a supporting block, 12 is an extension rod, 13 is a laser lamp, and 14 is a wire. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical scheme and advantages of the utility model clearer and more apparent, the utility model will be further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model and do not limit the utility model.

[0026] The specific implementation of the utility model will be described in detail below in combination with specific examples.

[0027] Please refer to Figures 1 to 3 The combined coal mine roadway support frame provided by the utility model embodiment comprises:

[0028] The support rod 1 is provided with multiple groups, and the top of each of the multiple groups of support rods 1 is movably connected with a connecting rod 4.

[0029] The adjusting structure is arranged at the top of each of the multiple groups of support rods 1 and comprises a lower rotating block 6, a first adjusting rod 7, an upper rotating block 9 and a second adjusting rod 10.

[0030] The laser lamp 13 is fixedly connected to the bottom of each of the multiple groups of first adjusting rods 7, and each of the multiple groups of laser lamps 13 irradiates downward.

[0031] It should be noted that: after installing the support frame to the roadway, the handle 3 can be manually held, the handle 3 is pulled synchronously to both sides, the supporting rod 1 is driven to expand to both sides, the lower rotating block 6 is driven to rotate through the bearing 8 and staggered with the upper rotating block 9, the first adjusting rod 7 and the second adjusting rod 10 are driven to expand to both sides, and the overall support frame is driven to expand the supporting surface of the top to both sides, so that the supporting area of the support frame is increased, and after adjusting the support frame to the completed position, the electric wire 14 can be manually connected to the power supply outside to light the laser lamp 13, and the bottom radiation end of the laser lamp 13 marks the laser line on the roadway ground at the bottom of the support frame, so that the width of the roadway is marked to facilitate passing and coal cutting operation.

[0032] In the embodiment of the utility model, please refer to Figure 1 And Figure 3 The bottom of the plurality of supporting rods 1 is fixedly connected with the base 2, and the base 2 can support the support frame.

[0033] In the embodiment of the utility model, please refer to Figure 1 And Figure 3 The inner side of the plurality of supporting rods 1 is fixedly connected with the handle 3, and the handle 3 can conveniently adjust the size of the support frame.

[0034] In the embodiment of the utility model, please refer to Figure 1 And Figure 3 The top of the plurality of second adjusting rods 10 is fixedly connected with the supporting block 11, the supporting block 11 is provided in multiple groups, and the supporting block 11 can support the top of the roadway.

[0035] In the embodiment of the utility model, please refer to Figure 1 And Figure 3 The plurality of lower rotating blocks 6 is fixedly connected with the telescopic rod 12, the telescopic rod 12 is provided in multiple groups, and the telescopic rod 12 can connect the plurality of lower rotating blocks 6.

[0036] In the embodiment of the utility model, please refer to Figure 1 And Figure 3 One side of the plurality of laser lamps 13 is fixedly connected with the electric wire 14, the electric wire 14 is provided in two groups, and the electric wire 14 can provide power for the laser lamp 13.

[0037] In the embodiment of the utility model, please refer to Figure 1 And Figure 3 The top of the plurality of supporting rods 1 is fixedly connected with the threaded rod 5, and the threaded rod 5 can fix the supporting rod 1.

[0038] In the embodiment of the utility model, please refer to Figure 1 And Figure 3 Figure 1 Figure 3The bottom of the plurality of connecting rods 4 is provided with a threaded groove, and a plurality of threaded rods 5 are engaged with the threaded groove of the connecting rod 4, so that the support rod 1 can be conveniently disassembled by engaging the threaded rod 5 with the threaded groove of the connecting rod 4.

[0039] The working principle of the combined support frame for coal mine tunnel is as follows:

[0040] When in use, first, after the support frame is installed to the tunnel, the handle 3 can be manually held to pull the handle 3 to the two sides synchronously, so as to drive the support rod 1 to expand to the two sides, drive the lower rotating block 6 to rotate through the bearing 8 and stagger with the upper rotating block 9, drive the first adjusting rod 7 and the second adjusting rod 10 to expand to the two sides, and drive the overall support frame to expand the support surface of the top to the two sides, so as to realize increasing the support area of the support frame.

[0041] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process transformation by using the content of the utility model specification and drawings, or direct or indirect application in other related technical fields, is also included in the patent protection range of the utility model.

Claims

1. A combined support frame for coal mine roadways, characterized in that, Include: Supporting rod (1), the supporting rod (1) is provided with multiple groups, the top of multiple groups supporting rod (1) is movably connected with connecting rod (4); Adjusting structure, the top of multiple groups supporting rod (1) is provided with adjusting structure, adjusting structure includes lower rotating block (6), first adjusting rod (7), upper rotating block (9) and second adjusting rod (10), the top of multiple groups connecting rod (4) is fixedly connected with lower rotating block (6), the top of multiple groups lower rotating block (6) is fixedly connected with bearing (8), the top of multiple groups bearing (8) is fixedly connected with upper rotating block (9), multiple groups lower rotating block (6) are fixedly connected with first adjusting rod (7) between, multiple groups upper rotating block (9) are fixedly connected with second adjusting rod (10) between; Laser lamp (13), the bottom of multiple groups first adjusting rod (7) is fixedly connected with laser lamp (13), and multiple groups laser lamp (13) are all downward irradiation.

2. The combined support frame for coal mine gateway according to claim 1, characterized in that, The bottom of multiple groups supporting rod (1) is fixedly connected with base (2).

3. The combined support frame for coal mine gateway according to claim 1, characterized in that, The inner side of multiple groups supporting rod (1) is fixedly connected with handle (3).

4. The combined support frame for coal mine gateway according to claim 1, characterized in that, The top of multiple groups second adjusting rod (10) is fixedly connected with support block (11), and support block (11) is provided with multiple groups.

5. The combined support frame for coal mine gateway according to claim 1, characterized in that, Multiple groups lower rotating block (6) are fixedly connected with telescopic rod (12) between, and telescopic rod (12) is provided with multiple groups.

6. The combined support frame for coal mine gateway according to claim 1, characterized in that, The side of multiple groups laser lamp (13) is fixedly connected with electric wire (14), and electric wire (14) is provided with two groups.

7. The combined support frame for coal mine gateway according to claim 1, characterized in that, The top of multiple groups supporting rod (1) is fixedly connected with threaded rod (5).

8. The combined support frame for coal mine gateway according to claim 7, characterized in that, The bottom of multiple groups connecting rod (4) is provided with threaded groove, and multiple groups threaded rod (5) are engaged with the threaded groove of connecting rod (4) connection.

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