A downhole anchor mesh conveyor support device

Abstract

The present application belongs to the field of underground roadway working face support, and particularly relates to a kind of underground anchor net conveying support device;Including sliding platform, lifting platform and conveying mechanism;Lifting platform is used to lift the sliding platform of support upper portion, the sliding platform can move laterally on the lifting platform, and the conveying mechanism is installed on the sliding platform;The sliding platform has an anchor net supporting plane;The conveying mechanism is below the anchor net supporting plane, and at least two groups are arranged in parallel, each group includes anchor net poking frame body, connecting lug I, connecting lug II, connecting rod mechanism, the anchor net poking frame body can push the anchor net to move towards the working face through the square gap of the anchor net, and the anchor net poking frame body is pushed by a plurality of connecting rod mechanisms arranged side by side;The underground anchor net conveying support device mechanism structure is practical and simple, does not involve explosion-proof problems, and can be reliably and efficiently applied to underground anchor net conveying, the device not only has the function of conveying anchor net, but also can have a certain supporting effect on the roof of the roadway, and effectively ensures the safety of operation.

Description

TECHNICAL FIELD

[0001] The application belongs to the field of underground roadway working face support, and particularly relates to an underground anchor net conveying and supporting device. BACKGROUND

[0002] Support is an indispensable process for underground tunneling working face, and tunneling face support mainly realizes the stability of underground development roadway surrounding rock through laying metal anchor net and driving anchor rod, so as to ensure the safe operation of underground workers. At present, the laying of underground anchor net is mainly carried out by manual carrying and net hanging, which is high in labor intensity and unsafe. Related patents lay anchor net through mechanical hands, for example, the underground anchor protection vehicle disclosed in the publication No. CN114320400A, the hanging net device carried by the vehicle includes a hanging net arm group and a support frame, the hanging net arm group is connected with the vehicle body, the support frame is rotatably connected with the free end of the hanging net arm group, and the support frame is slidable relative to the hanging net arm group, the hanging net arm group can swing along the length direction of the vehicle body to adjust the spatial orientation of the support frame, and the support frame can adsorb and fix the anchor net. The scheme has complex structure, low reliability and relatively large arrangement space. SUMMARY

[0003] The present application has simple and reliable structure and can realize the mechanization of anchor net conveying.

[0004] The present application provides the following technical scheme: an underground anchor net conveying and supporting device, comprising a sliding platform, a lifting platform and a conveying mechanism; the lifting platform is used for lifting the sliding platform at the upper part of the support, the sliding platform can move horizontally on the lifting platform, and the conveying mechanism is installed on the sliding platform;

[0005] The sliding platform has an anchor net bearing plane;

[0006] The conveying mechanism is located below the anchor net bearing plane and is arranged in at least two groups in parallel, each group comprising an anchor net pushing frame, a connecting lug I, a connecting lug II and a connecting rod mechanism, the connecting lug I is connected with the anchor net pushing frame, the connecting lug II is fixed on the sliding platform, the anchor net pushing frame can push the anchor net to move towards the working face through the square gap of the anchor net, and the anchor net pushing frame is pushed by a plurality of connecting rod mechanisms arranged side by side;

[0007] The connecting rod mechanism comprises a connecting rod I, a connecting rod II and a connecting rod III,

[0008] The upper end of the connecting rod I is inclined to the pushing direction of the anchor net, and the upper end is hinged to the sliding platform,

[0009] The lower end of the connecting rod III is hinged to the connecting lug II, and the upper end is inclined to the pushing direction of the anchor net,

[0010] Connecting rod II is hinged between connecting rod I and connecting rod III, and is connected with the low end of connecting rod III and the high end of connecting rod I; the supporting rod extending from connecting rod II is hinged with connecting lug I;

[0011] Connecting rod III is connected with connecting rod drive; the connecting rod drive drives connecting rod III to rotate around connecting lug II, and the connecting rod mechanism drives the anchor net to move up and down and reciprocate forward.

[0012] The four-connecting-rod mechanism is used to push the anchor net through the empty space, and the reason is that the four-connecting-rod mechanism can be lowered below the anchor net after reaching the heading face, and the anchor net can be closely attached to the roof of the roadway, i.e. the pushing mechanism does not affect the supporting operation.

[0013] Further, the sliding platform comprises an upper plate, a lower plate, a conveying groove, a side plate and a sliding drive, the upper plate is used for lifting and supporting the anchor net, the lower plate is connected below the upper plate through the side plate, there is one lower plate on each side of the lifting platform, the main body composed of the upper plate, the lower plate and the side plate is in sliding cooperation with the lifting platform, the sliding drive uses the lifting platform as a counterforce to support and push the sliding platform to slide, the lower plate is used for supporting the conveying mechanism, the conveying groove is opened above the supporting conveying mechanism on the upper plate, and the conveying groove provides a movement space for the anchor net pushing frame body on the connecting rod mechanism.

[0014] Further, the anchor net pushing frame body comprises a vertical plate and a horizontal plate, the horizontal plate supports the vertical plate, the vertical plate is distributed on the horizontal plate and is perpendicular to the horizontal plate, and the connecting lug I is connected to the lower side of the horizontal plate.

[0015] Further, the lifting platform is a scissor type lifting mechanism, comprising an upper platform, a cross connecting rod, a driving oil cylinder, a lower platform and a pin shaft I; the cross connecting rod is hinged to cross connection through the pin shaft I, the cross connecting rod at the upper end and the cross connecting rod at the lower end are respectively slidably connected with the upper platform and the lower platform and are hinged with the lug seat of the upper platform and the lower platform, the driving oil cylinder drives the cross connecting rod to realize the vertical movement of the upper platform, and the sliding platform is connected with the upper platform.

[0016] Further, the side edge of the upper platform is provided with a guide groove, the side guide plate of the sliding platform and the guide groove form a moving guide cooperation, a driving motor with a gear is fixed in the middle of the upper platform, the sliding platform can move horizontally relative to the lifting platform through the meshing of the gear and the rack fixed on the sliding platform under the driving of the driving motor.

[0017] Further, each sliding platform is lifted and supported by two lifting platforms.

[0018] Compared with the prior art, the advantages of the present application are that:

[0019] The mechanism structure of the downhole anchor net conveying and supporting device is simple and practical, does not involve the problem of explosion prevention, and can be reliably and efficiently applied to downhole anchor net conveying. The device not only has the function of conveying the anchor net, but also has a certain supporting effect on the heading roof of the roadway, thereby ensuring the safety of operation. The device integrates lifting and conveying, and effectively solves the problem of high labor intensity. The hollow structure of the anchor net is fully utilized, the four-bar mechanism is designed to realize anchor net conveying, and when the anchor net contacts the roof, the four-bar mechanism is located below the anchor net conveying platform and does not form interference. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is an axial view of the downhole anchor net conveying and supporting device;

[0021] Figure 2 is a front view of the downhole anchor net conveying and supporting device;

[0022] Figure 3 is a side view of the downhole anchor net conveying and supporting device;

[0023] Figure 4 is a schematic view of the movement direction of the lifting platform and the sliding platform;

[0024] Figure 5 is a schematic view of the movement mode of the conveying mechanism;

[0025] Figure 6 is a schematic view of the heading support of the anchor net and the anchor rod;

[0026] In the figure: 1-metal anchor net; 2-sliding platform; 201-upper flat plate; 202-lower flat plate; 203-side guide plate; 204-rack; 205-conveying groove; 206-side plate; 3-lifting platform; 301-upper platform; 3011-guide groove; 302-cross link; 303-driving oil cylinder; 304-lower platform; 305-pivot shaft I; 4-conveying mechanism; 401-vertical plate; 402-horizontal plate; 403-connection ear I; 404-connection ear II; 405-linkage mechanism; 4051-link I; 4052-link II; 4053-link III; 4054-pivot shaft II; 4055-linkage drive; 5-sliding platform drive; 6-roadway heading; 7-anchor rod; 8-roadway roof; x-sliding platform movement direction; z-lifting platform movement direction; s-linkage trajectory. DETAILED DESCRIPTION

[0027] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0028] As Figure 1 , Figure 2 , Figure 3 shown: a downhole anchor net conveying support device is composed of a metal anchor net 1, a sliding platform 2, a lifting platform 3, a conveying mechanism 4 and a sliding platform drive 5. The sliding platform 2 includes an upper flat plate 201, a lower flat plate 202, a side guide plate 203, a rack 204, a conveying groove 205 and a side plate 206. The lifting platform 3 includes an upper platform 301, a cross connecting rod 302, a drive oil cylinder 303, a lower platform 304 and a pin shaft I 305. The upper platform 301 includes a guide groove 3011. The conveying mechanism 4 includes a vertical plate 401, a horizontal plate 402, a connecting lug I 403, a connecting lug II 404 and a connecting rod mechanism 405. The connecting rod mechanism 405 includes a connecting rod I 4051, a connecting rod II 4052, a connecting rod III 4053, a pin shaft II 4054 and a connecting rod drive 4055.

[0029] The device is described from bottom to top. As shown in Figure 1 , the lifting platform 3 is located at the bottom of the device and is also the support mechanism of the entire device. Two lifting platforms 3 are arranged according to the needs. The main structure of the lifting platform 3 is a common scissor mechanism on the market. As shown in Figure 2 , the lifting platform 3 includes an upper platform 301, a cross connecting rod 302, a drive oil cylinder 303, a lower platform 304 and a pin shaft I 305. The cross connecting rod 302 is hinged and connected through the pin shaft I 305. The upper and lower ends of the cross connecting rod 302 are respectively connected with the upper platform 301 and the lower platform 304 in a sliding manner and are hinged with the lug seat of the upper platform 301 and the lower platform 304. The drive oil cylinder 303 drives the cross connecting rod 302 to realize the vertical movement of the upper platform 301.

[0030] As shown in Figure 2 , the upper platform 301 is specially designed. The side edge has a guide groove 3011 for horizontal movement of the sliding platform 2. The middle part of the upper platform is fixed with the sliding platform drive 5. The sliding platform drive 5 in this embodiment is a drive motor with a gear (other drive modes such as oil cylinder can also be used). The gear is engaged with the rack 204 fixed on the sliding platform 2.

[0031] As shown in Figure 2As shown, the sliding platform 2 is located above the lifting platform 3, the sliding platform 2 comprises an upper flat plate 201, a lower flat plate 202, a side guide plate 203, a rack 204, a conveying groove 205, and a side plate 206, wherein the upper flat plate 201 is mainly used to support and hold the metal anchor net 1, the lower flat plate 202 is connected below the upper flat plate 201 through the side plate 206, there is one lower flat plate 202 on each side of the lifting platform 3, the lower flat plate 202 is used to support the conveying mechanism 4, the side guide plate 203 is installed inside the side plate 206, the side guide plate 203 and the guide groove 3011 of the upper platform 301 form a moving fit, the rack 204 is fixedly connected with the upper flat plate 201, under the driving of the sliding platform drive 5, the sliding platform 2 can move horizontally relative to the lifting platform 3, and the conveying groove 205 provides a movement space for the reciprocating movement of the vertical plate 401 on the connecting rod mechanism 405.

[0032] As shown in the figure, Figure 3 The conveying mechanism 4 is located between the upper flat plate 201 and the lower flat plate 202 of the sliding platform 2 on both sides of the lifting platform 3, in this embodiment, the conveying mechanism 4 is arranged in two groups, one group on each side, each group comprising a vertical plate 401, a horizontal plate 402, a connecting ear I 403, a connecting ear II 404, and a connecting rod mechanism 405, wherein the vertical plate 401 and the horizontal plate 402 are fixedly connected at a right angle, the vertical plate 401 can push the anchor net to move towards the working face through the square gap of the anchor net, the horizontal plate 402 supports the vertical plate 401, the connecting ear I 403 is connected to the lower side of the horizontal plate 402, and the connecting ear II 404 is fixed to the sliding platform 2.

[0033] The horizontal plate 402 is pushed by a plurality of connecting rod mechanisms 405 arranged side by side, the connecting rod mechanism 405 comprises a connecting rod I 4051, a connecting rod II 4052, and a connecting rod III 4053, the upper end of the connecting rod I 4051 is inclined to the pushing direction of the anchor net, the upper end is hinged to the sliding platform 2, the lower end of the connecting rod III 4053 is hinged to the connecting ear II 404, the upper end is inclined to the pushing direction of the anchor net, the connecting rod II 4052 is hinged between the connecting rod I 4051 and the connecting rod III 4053, and the connecting end of the connecting rod II 4052 is lower than the connecting end of the connecting rod I 4051; the supporting rod protruding from the connecting rod II 4052 is hinged to the connecting ear I 403; the connecting rod III 4053 is connected to the connecting rod drive 4055; the connecting rod drive 4055 drives the connecting rod III 4053 to rotate around the connecting ear II 404, and the connecting rod mechanism 405 pushes the vertical plate 401 and the horizontal plate 402 to move up and down and reciprocate forward in the conveying groove 205.

[0034] As shown in the figure, Figure 4 The metal anchor net 1 is located on the upper part of the sliding platform 2, the lifting platform 3 lifts the sliding platform 2 to move forward to the working face, and the metal anchor net 1 can be transported to the working face to realize the laying of the metal anchor net 1, and the anchor rod device can realize the support of the underground roof.

[0035] As shown in the figure, Figure 5 , Figure 6As shown, the connecting rod mechanism 405 is an optimized four connecting rod mechanism which can meet the requirement of pushing the metal anchor net towards the working face by the vertical plate 401. The connecting rod mechanism 405 can realize the upward movement of the vertical plate 401 to the high point, and then continue to move forward and be collected downward along the gentle slope. This action realizes the forward pushing of the metal anchor net 1, and then the vertical plate 401 is collected to return to the high point along the low position for the next pushing.

[0036] The above description of disclosed embodiments enables one of ordinary skill in the art to make or use the application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein can be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A downhole anchor mesh conveying and support device, characterized in that: It includes a sliding platform (2), a lifting platform (3), and a conveying mechanism (4); the lifting platform (3) is used to lift the upper sliding platform (2), the sliding platform (2) can move laterally on the lifting platform (3), and the conveying mechanism (4) is installed on the sliding platform (2); The sliding platform (2) has an anchor mesh support plane; The conveying mechanism (4) is located below the anchor net support plane and at least two sets are arranged in parallel. Each set includes an anchor net moving frame, connecting ear I (403), connecting ear II (404), and linkage mechanism (405). Connecting ear I (403) is connected to the anchor net moving frame, and connecting ear II (404) is fixed on the sliding platform (2). The anchor net moving frame can push the anchor net to move towards the working face through the grid gaps of the anchor net. The anchor net moving frame is pushed by several parallel linkage mechanisms (405). The anchor net moving frame includes a vertical plate (401) and a horizontal plate (402). The horizontal plate (402) supports the vertical plate (401). The vertical plate (401) is distributed on the horizontal plate (402) and is perpendicular to the horizontal plate (402). Connecting ear I (403) is connected to the lower side of the horizontal plate (402). The linkage mechanism (405) includes link I (4051), link II (4052) and link III (4053). The upper end of connecting rod I (4051) is inclined in the direction of the anchor mesh push and is hinged to the sliding platform (2). The lower end of connecting rod III (4053) is hinged to connecting lug II (404), and the upper end is inclined in the direction of pushing the anchor mesh. Link 2 (4052) is hinged between link 1 (4051) and link 3 (4053), with the end connected to link 3 (4053) being lower and the end connected to link 1 (4051) being higher; the support rod extending from link 2 (4052) is hinged to connecting lug 1 (403); Linkage Ⅲ (4053) is connected to link drive (4055); link drive (4055) drives link Ⅲ (4053) to rotate around link ear Ⅱ (404), and link mechanism (405) pushes the anchor net to move the frame back and forth in an undulating motion.

2. The downhole anchor mesh conveying and support device according to claim 1, characterized in that: The sliding platform (2) includes an upper plate (201), a lower plate (202), a conveying groove (205), a side plate (206), and a sliding drive. The upper plate (201) is used to support the anchor net. The lower plate (202) is connected to the lower plate (201) through the side plate (206). There is a lower plate (202) on each side of the lifting platform (3). The main body composed of the upper plate (201), the lower plate (202), and the side plate (206) slides with the lifting platform (3). The sliding drive uses the lifting platform (3) as a reaction force to push the sliding platform (2) to slide. The lower plate (202) is used to support the conveying mechanism (4). The upper plate (201) has a conveying groove (205) above the supporting conveying mechanism (4). The conveying groove (205) provides movement space for the anchor net moving frame on the linkage mechanism (405).

3. The downhole anchor mesh conveying and support device according to claim 2, characterized in that: The lifting platform (3) is a scissor lift mechanism, including an upper platform (301), a cross link (302), a drive cylinder (303), a lower platform (304), and a pin I (305). The cross link (302) is hinged and cross-connected through the pin I (305). The cross link (302) at the upper and lower ends is slidably connected to the upper platform (301) and the lower platform (304) respectively, and is hinged to the lugs of the upper platform (301) and the lower platform (304). The drive cylinder (303) drives the cross link (302) to realize the vertical movement of the upper platform (301). The sliding platform (2) is connected to the upper platform (301).

4. The downhole anchor mesh conveying and support device according to claim 3, characterized in that: The upper platform (301) has a guide groove (3011) on its side. The side guide plate (203) of the sliding platform (2) and the guide groove (3011) form a moving guide engagement. A drive motor with gears is fixed in the middle of the upper platform (301). Through the meshing of the gears and the rack (204) fixed on the sliding platform (2), the sliding platform (2) can move horizontally relative to the lifting platform (3) under the drive of the drive motor.

5. The downhole anchor mesh conveying and support device according to claim 1, characterized in that: Each of the sliding platforms (2) is supported by two lifting platforms (3).

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