Supporting device for gob-side entry retaining

Abstract

The utility model discloses a supporting device for gob-side entry retaining, which relates to the technical field of gob-side entry retaining supporting and comprises a supporting main plate and side supporting plates positioned on two sides of the supporting main plate. Two sets of extension rods are fixedly connected to the positions, located on the two sides of the movable column, of the inner side faces of the side supporting plates, supporting bottom plates are arranged below the two sets of side supporting plates, internal thread rotating cylinders are arranged in the middles of the upper surfaces of the two sets of supporting bottom plates, and vertical thread rods are fixedly connected to the middles of the lower sides of the two sets of side supporting plates; the outer sides of the two sets of internal thread rotating cylinders are fixedly connected with rotating handles in a clamped and sleeved mode, and the lower ends of the two sets of internal thread rotating cylinders are fixedly connected with rotating rods. The gob-side entry retaining supporting device has the advantages that gob-side entry retaining of different widths and heights can be supported, the application range is larger, the reinforcing function of the supporting device is achieved, and the supporting stability is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to along empty roadway retaining support technical field especially relates to a kind of supporting device for along empty roadway retaining. BACKGROUND

[0002] The supporting device for along empty roadway retaining is a supporting device for retaining roadway along the boundary of coal mining face during coal mining. Its main function is to support and stabilize the rock strata around the roadway, prevent the roadway from collapsing or deforming, and ensure the safe isolation between the goaf and the roadway, thereby providing safety and convenience for subsequent mining work.

[0003] The patent with publication number CN217976272U discloses a supporting device for along empty roadway retaining of super-high roadway, which is simple in structure, practical and convenient to use. The supporting device can support and protect the inside of the super-high roadway, and has good supporting and protecting effect. However, the supporting device for along empty roadway retaining is usually assembled by multiple components during use, and can only support the along empty roadway retaining of specific size, which has large use limitation. UTILITY MODEL CONTENT

[0004] The technical problem to be solved by the utility model is to provide a supporting device for along empty roadway retaining. The existing supporting device for along empty roadway retaining is usually assembled by multiple components during use, and can only support the along empty roadway retaining of specific size, which has large use limitation.

[0005] To solve the above technical problems, the technical scheme of the utility model is a supporting device for along empty roadway retaining, which comprises a supporting main plate, two side supporting plates located on both sides of the supporting main plate, a moving column fixedly connected to the inner side of each of the two side supporting plates, two groups of extension rods fixedly connected to the inner side of the side supporting plate and located on both sides of the moving column, a supporting bottom plate arranged below each of the two side supporting plates, an inner thread rotating drum arranged on the upper surface of each of the two supporting bottom plates, a vertical screw rod fixedly connected to the lower side of each of the two side supporting plates, a rotating handle clamped and sleeved to the outer side of each of the two inner thread rotating drums, and a rotating rod fixedly connected to the lower end of each of the two inner thread rotating drums.

[0006] The lower side of each of the two side supporting plates is fixedly connected to a vertical screw rod, and the outer threads of the two groups of horizontal screw rods are symmetrically arranged.

[0007] As a further scheme of the utility model, a slot is formed in the middle position of the supporting main plate, a rotating knob is arranged in the inner side of the slot, horizontal screw rods are fixedly connected to both ends of the rotating knob, and the outer threads of the two groups of horizontal screw rods are symmetrically arranged.

[0008] As a further scheme of the utility model: two groups of mobile columns are all equipped with screw grooves, and two groups of mobile columns are respectively connected with two groups of horizontal screw rods through screw grooves.

[0009] As a further scheme of the utility model: the both sides of the support main plate are all equipped with four groups of extension grooves, and the extension rods are slidably connected with the support main plate through the extension grooves.

[0010] As a further scheme of the utility model: the inner screw rotating drum is threadedly connected with the vertical screw rod, and the rotating rod is rotatably connected with the support bottom plate.

[0011] As a further scheme of the utility model: the upper surface of the support bottom plate is fixedly connected with lower fixed plates near the corner positions, and lower rotating blocks are rotatably connected between two groups of lower fixed plates, the upper side of the lower rotating block is fixedly connected with a connecting groove plate, the lower surface of the side support plate is fixedly connected with upper fixed plates near the corner positions, and upper rotating blocks are rotatably connected between two groups of upper fixed plates, the lower side of the upper rotating block is fixedly connected with a connecting long plate, a plurality of groups of clamping holes are formed through the connecting long plate, and a clamping bolt is arranged through the connecting groove plate.

[0012] The opposite sides of two groups of side support plates are fixedly connected with inclined support plates, and the upper sides of two groups of inclined support plates are fixedly connected with four groups of connecting blocks.

[0013] As a further scheme of the utility model: the connecting block is fixedly connected with the extension rod, and the connecting block is located in the inner side of the extension groove.

[0014] As a further scheme of the utility model: the connecting long plate is slidably connected with the connecting groove plate, a plurality of groups of clamping holes are equidistantly distributed on the connecting long plate, and the clamping bolt is matched with the clamping hole by penetrating the connecting groove plate.

[0015] Compared with the prior art, the utility model has the advantages that the rotating knob in the rotating groove is rotated to drive two groups of horizontal screw rods to rotate, so that two groups of mobile columns are relatively moved along two groups of middle grooves under the cooperation of the symmetrical external thread and the screw groove, then the two groups of side support plates are relatively moved under the cooperation of four groups of extension rods and four groups of extension grooves, so that the distance between the two groups of side support plates is changed, then the inner screw rotating drum is rotated through the cooperation of the rotating handle and the rotating rod, and two groups of side support plates are moved upward through the thread connection between the inner screw rotating drum and the vertical screw rod, so that the gob remaining roadway with different widths and different heights can be supported, and the application range is larger.

[0016] Compared with the prior art, the beneficial effects of the utility model include: when the side support plate moves horizontally, the inclined support plate always bears the support main plate under the cooperation of four groups of connecting blocks and four groups of extension grooves, thereby reinforcing the support main plate, when the side support plate moves longitudinally, the connecting long plate will move along the inner side of the connecting groove plate and fix the relative position of the connecting long plate and the connecting groove plate through the cooperation of the clamping bolt and the clamping hole to reinforce the side support plate, realizing the reinforcing function of the support device and ensuring the support stability. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is an overall structure schematic view of the support device for gob-side entry retaining in the utility model embodiment;

[0018] Figure 2 It is a connecting structure schematic view of the support main plate and the side support plate in the utility model embodiment;

[0019] Figure 3 It is a structure schematic view of the support main plate in the utility model embodiment;

[0020] Figure 4 It is a connecting structure schematic view of the side support plate in the utility model embodiment;

[0021] Figure 5 It is a connecting structure schematic view of the support bottom plate in the utility model embodiment;

[0022] Figure 6 It is a connecting structure schematic view of the connecting groove plate and the connecting long plate in the utility model embodiment.

[0023] In the drawing: 1, support main plate; 2, slot; 3, rotating knob; 4, horizontal threaded rod; 5, moving column; 6, threaded groove; 7, middle groove; 8, side support plate; 9, extension rod; 10, extension groove; 11, support bottom plate; 12, inner thread rotating cylinder; 13, vertical threaded rod; 14, rotating handle; 15, rotating rod; 16, inclined support plate; 17, connecting block; 18, lower fixed plate; 19, lower rotating block; 20, connecting groove plate; 21, upper fixed plate; 22, upper rotating block; 23, connecting long plate; 24, clamping hole; 25, clamping bolt. DETAILED DESCRIPTION

[0024] The specific embodiments of the utility model will be further described below in combination with the drawings. It needs to be explained here that the description of these embodiments is used to help understanding the utility model, but does not constitute the limitation to the utility model. In addition, the technical features involved in each embodiment of the utility model described below can be combined with each other as long as they do not conflict with each other.

[0025] Embodiment 1, please refer to Figures 1-6The utility model provides a kind of support device for along empty roadway, including support main plate 1, it further includes the side support plate 8 in the both sides of support main plate 1, the inside middle position of two groups of side support plate 8 is fixedly connected with mobile column 5, and the inside of side support plate 8 and located the both sides of mobile column 5 is fixedly connected with two groups of extension rod 9, the below of two groups of side support plate 8 is provided with support base plate 11, the upper surface middle position of two groups of support base plate 11 is provided with internal thread rotating drum 12, the below middle position of two groups of side support plate 8 is fixedly connected with vertical screw rod 13, the outside of two groups of internal thread rotating drum 12 is clamped and is connected with rotating handle 14, and the lower end of two groups of internal thread rotating drum 12 is fixedly connected with rotating rod 15.

[0026] The middle position of support main plate 1 is throughly equipped with notch 2, the inside of notch 2 is provided with rotating knob 3, the both ends of rotating knob 3 are fixedly connected with horizontal screw rod 4, the external thread of two groups of horizontal screw rod 4 is symmetrically provided, and the screw groove 6 is formed in two groups of mobile column 5, and two groups of mobile column 5 are respectively connected with two groups of horizontal screw rod 4 by screw groove 6, the middle position of both sides of support main plate 1 is equipped with middle groove 7, and two groups of mobile column 5 are respectively located in the inside of two groups of middle groove 7.

[0027] In the embodiment, the horizontal screw rod 4 is threadedly connected with the mobile column 5 to move the side support plate 8.

[0028] The both sides of support main plate 1 are equipped with four groups of extension grooves 10, and the extension rod 9 is slidably connected with the support main plate 1 through the extension groove 10.

[0029] In the embodiment, the extension rod 9 and the extension groove 10 are matched to stably move the side support plate 8 horizontally.

[0030] The internal thread rotating drum 12 is threadedly connected with the vertical screw rod 13, and the rotating rod 15 is rotatably connected with the support base plate 11.

[0031] In the embodiment, the internal thread rotating drum 12 and the vertical screw rod 13 are threadedly connected to adjust the height of the side support plate 8.

[0032] Specifically, the rotating knob 3 inside the notch 2 is rotated to drive the two groups of horizontal screw rods 4 to rotate together, so that the two groups of mobile columns 5 are relatively moved along the two groups of middle grooves 7 under the cooperation of the symmetric external threads and the screw grooves 6, and then the two groups of side support plates 8 are relatively moved to change the distance between the two groups of side support plates 8 under the cooperation of the four groups of extension rods 9 and the four groups of extension grooves 10, and then the internal thread rotating drum 12 is rotated by the cooperation of the rotating handle 14 and the rotating rod 15, and the two groups of side support plates 8 are moved upward by the thread connection between the internal thread rotating drum 12 and the vertical screw rod 13, so that the along empty roadway with different widths and different heights can be supported, and the application range is larger.

[0033] Embodiment 2, please refer to Figures 1-6 The supporting device for gob-side entry retaining is characterized in that the upper surface of the supporting main plate 1 is fixedly connected with the lower fixed plates 18 near the corner positions, the lower rotating blocks 19 are rotatably connected between the two groups of lower fixed plates 18, the connecting groove plates 20 are fixedly connected to the upper side of the lower rotating blocks 19, the lower surface of the side supporting plate 8 is fixedly connected with the upper fixed plates 21 near the corner positions, the upper rotating blocks 22 are rotatably connected between the two groups of upper fixed plates 21, the connecting long plates 23 are fixedly connected to the lower side of the upper rotating blocks 22, the connecting long plates 23 are provided with the groups of clamping holes 24, the clamping bolts 25 are provided through the connecting groove plates 20, the opposite sides of the two groups of side supporting plates 8 are fixedly connected with the inclined supporting plates 16, and the upper sides of the two groups of inclined supporting plates 16 are fixedly connected with the four groups of connecting blocks 17.

[0034] The connecting blocks 17 are fixedly connected with the extension rods 9, and the connecting blocks 17 are located inside the extension grooves 10.

[0035] In the embodiment, the inclined supporting plates 16 and the four groups of connecting blocks 17 are matched to reinforce the supporting main plate 1.

[0036] The connecting long plates 23 are slidably connected with the connecting groove plates 20, the groups of clamping holes 24 are equidistantly distributed on the connecting long plates 23, and the clamping bolts 25 pass through the connecting groove plates 20 and are matched with the clamping holes 24.

[0037] In the embodiment, the clamping bolts 25 and the clamping holes 24 are matched to fix the relative positions of the connecting groove plates 20 and the connecting long plates 23.

[0038] Specifically, when the side supporting plate 8 moves horizontally, the inclined supporting plates 16 always bear the supporting main plate 1 under the cooperation of the four groups of connecting blocks 17 and the four groups of extension grooves 10, so that the supporting main plate 1 is reinforced; when the side supporting plate 8 moves longitudinally, the connecting long plates 23 move along the inside of the connecting groove plates 20, and the relative positions of the connecting long plates 23 and the connecting groove plates 20 are fixed through the cooperation of the clamping bolts 25 and the clamping holes 24, so that the side supporting plate 8 is reinforced, the reinforcing function of the supporting device is realized, and the supporting stability is ensured.

[0039] The embodiments of the utility model are described in detail above with reference to the drawings, but the utility model is not limited to the described embodiments. For those skilled in the art, various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the utility model, and still fall within the protection scope of the utility model.

Claims

1. A support device for gobs along the roadway, comprising a support main plate (1), characterized in that: The side support plates (8) are arranged on both sides of the support main plate (1), the inner sides of the two groups of side support plates (8) are fixedly connected with the moving columns (5), and the inner sides of the side support plates (8) and located on both sides of the moving columns (5) are fixedly connected with two groups of extension rods (9); The lower sides of the two groups of side support plates (8) are fixedly connected with vertical threaded rods (13), the outer sides of the two groups of inner threaded rotating drums (12) are clamped and fixedly connected with rotating handles (14), and the lower ends of the two groups of inner threaded rotating drums (12) are fixedly connected with rotating rods (15).

2. A support device for gob-side entry retaining according to claim 1, characterized in that: The middle position of the support main plate (1) is provided with a notch (2), the inner side of the notch (2) is provided with a rotating knob (3), the two ends of the rotating knob (3) are fixedly connected with horizontal threaded rods (4), and the outer threads of the two groups of horizontal threaded rods (4) are symmetrically arranged.

3. A support device for gob-side entry retaining according to claim 2, characterized in that: The two groups of moving columns (5) are provided with threaded grooves (6), and the two groups of moving columns (5) are threadedly connected with the two groups of horizontal threaded rods (4) through the threaded grooves (6), and the middle positions of the two sides of the support main plate (1) are provided with middle grooves (7), and the two groups of moving columns (5) are located on the inner sides of the two groups of middle grooves (7).

4. A support device for gob-side entry retaining according to claim 3, characterized in that: The two sides of the support main plate (1) are provided with four groups of extension grooves (10), and the extension rods (9) are slidably connected with the support main plate (1) through the extension grooves (10).

5. The support device for gob-side entry retaining according to claim 1, characterized in that: The inner threaded rotating drum (12) is threadedly connected with the vertical threaded rod (13), and the rotating rod (15) is rotatably connected with the support bottom plate (11).

6. The support device for gob-side entry retaining according to claim 1, characterized in that: The upper surface of the support bottom plate (11) is fixedly connected with lower fixed plates (18) near the corner positions, the lower fixed plates (18) are rotatably connected with lower rotating blocks (19) between the two groups of lower fixed plates (18), the upper side of the lower rotating block (19) is fixedly connected with a connecting groove plate (20), the lower surface of the side support plate (8) is fixedly connected with upper fixed plates (21) near the corner positions, the upper fixed plates (21) are rotatably connected with upper rotating blocks (22) between the two groups of upper fixed plates (21), the lower side of the upper rotating block (22) is fixedly connected with a connecting long plate (23), a plurality of groups of clamping holes (24) are formed in the connecting long plate (23), and a clamping bolt (25) is formed in the connecting groove plate (20). The opposite sides of the two groups of side support plates (8) are fixedly connected with inclined support plates (16), and the upper sides of the two groups of inclined support plates (16) are fixedly connected with four groups of connecting blocks (17).

7. A support device for gob-side entry retaining according to claim 6, characterized in that: The connecting block (17) is fixedly connected with the extension rod (9), and the connecting block (17) is located in the inner side of the extension groove (10).

8. A support device for gob-side entry retaining according to claim 6, characterized in that: The connecting long plate (23) is slidably connected with the connecting groove plate (20), a plurality of groups of clamping holes (24) are equidistantly distributed on the connecting long plate (23), and the clamping bolt (25) passes through the connecting groove plate (20) and is matched with the clamping hole (24).

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