CN214997691U

CN214997691U - Automatic sliding form device for mine roadway

Info

Publication number: CN214997691U
Application number: CN202120809304.8U
Authority: CN
Inventors: 刘水利; 路根奎; 岳东; 王新堂; 霍小泉; 赵玉桃; 刘猛; 刘彪; 袁增云; 范智海
Original assignee: Shaanxi Shaanxi Coal Tongchuan Mining Co ltd
Current assignee: Shaanxi Shaanxi Coal Tongchuan Mining Co ltd
Priority date: 2021-04-20
Filing date: 2021-04-20
Publication date: 2021-12-03
Anticipated expiration: 2031-04-20

Abstract

The utility model relates to an automatic sliding formwork device for a mine tunnel, which belongs to the technical field of mine tunnel construction.A support is arranged at the upper part of the inner side of a template, limiting columns are fixedly arranged on the bottom surfaces of the vertical ends at the left side and the right side of the support, and the lower ends of the limiting columns are inserted into adjusting grooves arranged at the upper sides of the supporting columns; a first hydraulic push rod is fixedly arranged on the inner bottom surface of the adjusting groove; a rotating shaft is fixedly arranged in the middle of the mounting seat, a clamping block is arranged in the middle of the rotating shaft through a bearing rotating sleeve, torsion springs are sleeved on the rotating shafts on the front side and the rear side of the clamping block, and the upper end of the clamping block is movably clamped with the limiting column after penetrating through the side wall of the supporting column; the left side and the right side of the top surface of the horizontal end of the support and the side wall of the support column are respectively and vertically and fixedly provided with a second hydraulic push rod, and the end part of the second hydraulic push rod is respectively and rotatably provided with a support plate through a spherical joint; the method can effectively prevent the support arch from generating the potential safety hazard of sudden drop when supporting, simultaneously, the support operation is simpler, and the labor intensity of constructors is reduced.

Description

Automatic sliding form device for mine roadway

Technical Field

The utility model relates to a mine tunnel construction technical field, concretely relates to automatic slipform device in mine tunnel.

Background

The slip form is formed by a slow moving structure of a template, is generally a fixed-size forming template and is pulled by a traction device, and the slip form engineering technology is a construction technology which has high mechanization degree, high construction speed, small occupation of field site, strong structural integrity, good seismic performance, guaranteed safe operation and obvious comprehensive environmental and economic benefits in cast-in-place concrete construction in China, and is generally called as the slip form for short; in the prior art, when a mine tunnel is constructed, a supporting arch center has potential safety hazards, the labor intensity of constructors for supporting is high, and urgent improvement is needed.

Disclosure of Invention

An object of the utility model is to prior art's defect and not enough, provide an automatic slipform device in mine tunnel reasonable in design, can effectually prevent to support the potential safety hazard that the arch produced the suddenly drop when strutting, simultaneously, it is fairly simple to strut the operation, has reduced constructor's intensity of labour, and the practicality is stronger.

In order to achieve the above purpose, the utility model adopts the following technical proposal: the device comprises a bracket, a template, a support column, a base, a first hydraulic push rod and a second hydraulic push rod; the upper part of the inner side of the template is provided with a bracket which is arranged in an inverted U-shaped structure, the bottom surfaces of the vertical ends of the left side and the right side of the bracket are fixedly provided with a limiting column, the lower end of the limiting column is inserted into an adjusting groove formed in the upper side of a supporting column, and the limiting column is formed by stacking a plurality of round tables; a first hydraulic push rod is fixedly arranged on the inner bottom surface of the adjusting groove, and the upper end of the first hydraulic push rod is fixedly connected with the lower end of the limiting column; the side wall of the support column is fixedly provided with an installation seat, the middle part of the installation seat is fixedly provided with a rotating shaft, the middle part of the rotating shaft is provided with a clamping block through a bearing rotating sleeve, the rotating shafts on the front side and the rear side of the clamping block are respectively sleeved with a torsional spring, one end of the torsional spring is fixedly connected with the installation seat, the other end of the torsional spring is fixedly connected with the clamping block, and the upper end of the clamping block movably penetrates through the side wall of the support column and is clamped with the limiting column; the left side and the right side of the top surface of the horizontal end of the support and the side wall of the support column are respectively and vertically and fixedly provided with a second hydraulic push rod, the end part of each second hydraulic push rod is respectively and rotatably provided with a support plate through a spherical joint, and the side wall of each support plate is abutted against the inner side wall of the template; the lower extreme of the support column of the left and right sides all is fixed and is provided with the base.

Further, the lateral wall of backup pad on fixed be provided with the rubber gasket, the rubber gasket clamp is established between backup pad and template.

Furthermore, a driving motor is fixedly arranged on the top surface of the horizontal end of the support through a motor support, an eccentric shaft is fixedly arranged on an output shaft of the driving motor, an adjusting block is fixedly arranged on the eccentric shaft, the adjusting block is arranged in the middle of the kidney-shaped groove, a top rod is vertically and fixedly arranged on the top surface of the kidney-shaped groove, an installation frame is movably sleeved on the top rod and is arranged in a right-angle shape, and the lower end of the vertical end of the installation frame is fixedly arranged on the top surface of the support; the upper end of the ejector rod is movably contacted with the inner top surface of the template.

Furthermore, a guide groove is formed in the inner side wall of the kidney-shaped groove, a guide strip is fixedly arranged on the outer side wall of the adjusting block, and the guide strip is arranged inside the guide groove in a sliding mode.

After the structure is adopted, the beneficial effects of the utility model are that: a mine tunnel automatic slipform device, can effectually prevent that the support arch from producing the potential safety hazard of suddenly falling when strutting, simultaneously, strut the operation fairly simple, reduced constructor's intensity of labour, the practicality is stronger, the utility model has the advantages of set up rationally, the cost of manufacture is low.

Description of the drawings:

fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an enlarged view of a portion a in fig. 1.

Fig. 3 is an enlarged view of a portion B in fig. 1.

Fig. 4 is a schematic view of the connection structure of the ejector rod, the kidney-shaped groove, the adjusting block and the eccentric shaft of the present invention.

Description of reference numerals:

template 1, support 2, spacing post 3, support column 4, adjustment tank 5, hydraulic push rod 6, mount pad 7, pivot 8, fixture block 9, torsional spring 10, No. two hydraulic push rod 11, spherical joint 12, backup pad 13, base 14, rubber gasket 15, driving motor 16, eccentric shaft 17, adjusting block 18, kidney-shaped groove 19, ejector pin 20, mounting bracket 21, guide way 22, gib block 23.

The specific implementation mode is as follows:

the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1 to 4, the following technical solutions are adopted in the present embodiment: the device comprises a bracket 2, a template 1, a support column 4, a base 14, a first hydraulic push rod 6 and a second hydraulic push rod 11; the upper part of the inner side of the template 1 is provided with a support 2, the support 2 is formed by connecting a plurality of steel frames through bolts, the support 2 is arranged in an inverted U-shaped structure, the bottom surfaces of the vertical ends of the left side and the right side of the support 2 are fixedly welded with limiting columns 3, the lower ends of the limiting columns 3 are inserted into adjusting grooves 5 formed in the upper sides of supporting columns 4, and the limiting columns 3 are formed by overlapping and welding a plurality of round tables; a first hydraulic push rod 6 is fixedly arranged on the inner bottom surface of the adjusting groove 5 through a bolt, and the upper end of the first hydraulic push rod 6 is fixedly connected with the lower end of the limiting column 3; the side wall of the support column 4 is fixedly welded with an installation seat 7, the middle part of the installation seat 7 is fixedly welded with a rotating shaft 8, the middle part of the rotating shaft 8 is provided with a clamping block 9 through a bearing rotating sleeve, the rotating shafts 8 on the front side and the rear side of the clamping block 9 are respectively sleeved with a torsion spring 10, one end of the torsion spring 10 is fixedly welded with the installation seat 7, the other end of the torsion spring 10 is fixedly welded with the clamping block 9, and the upper end of the clamping block 9 is movably clamped with the limiting column 3 after penetrating through the side wall of the support column 4; the left side and the right side of the top surface of the horizontal end of the support 2 and the side wall of the support column 4 are both vertically and fixedly provided with a second hydraulic push rod 11 through bolts, the end part of the second hydraulic push rod 11 is rotatably provided with a support plate 13 through a spherical joint 12, and the side wall of the support plate 13 is abutted against the inner side wall of the template 1; the side wall of the supporting plate 13 is fixedly provided with a rubber gasket 15 through gluing, and the rubber gasket 15 is clamped between the supporting plate 13 and the template 1, so that the supporting stability is improved; the lower ends of the support columns 4 on the left side and the right side are both fixedly provided with bases 14;

a driving motor 16 with the model number of 60KTYZ is fixedly arranged on the top surface of the horizontal end of the support 2 through a motor support and a bolt, an eccentric shaft 17 is fixedly welded on an output shaft of the driving motor 16, an adjusting block 18 is fixedly arranged on the eccentric shaft 17 through a bolt, the adjusting block 18 is arranged in the middle of a kidney-shaped groove 19, a mandril 20 is vertically and fixedly welded on the top surface of the kidney-shaped groove 19, an installation frame 21 is movably sleeved on the mandril 20, the installation frame 21 is arranged in a right-angle shape, and the lower end of the vertical end of the installation frame 21 is fixedly welded on the top surface of the support 2; the upper end of the mandril 20 is movably contacted with the inner top surface of the template 1; a guide groove 22 is formed in the inner side wall of the kidney-shaped groove 19, a guide strip 23 is fixedly arranged on the outer side wall of the adjusting block 18, and the guide strip 23 is arranged inside the guide groove 22 in a sliding mode.

The working principle of the specific embodiment is as follows: when the device is used, the template 1 is connected with an external traction device, then the support 2 and the support column 4 are installed inside the template 1, the first hydraulic push rod 6 is opened, the first hydraulic push rod 6 extends to enable the limiting column 3 to ascend, at the moment, the circular truncated cone stacking structure of the limiting column 3 enables the fixture block 9 to continuously rebound under the action of the torsion spring 10 until the support plate 13 on the upper side is contacted with the inner top surface of the template 1, the second hydraulic push rod 11 is opened, the second hydraulic push rod 11 extends to enable the rubber gasket 15 on the support plate 13 to be tightly abutted against the inner side wall of the template 1, the installation is completed, the support 2 has a descending trend after being stressed, at the moment, the fixture block 9 is clamped with the limiting column 3 to prevent the limiting column 3 from falling, and the safety performance of the device is improved; meanwhile, the spherical joint 12 enables the device to adapt to templates 1 with different inclinations; when carrying out concrete placement through template 1, open driving motor 16, driving motor 16's output drives eccentric shaft 17 and rotates, and then makes regulating block 18 rotate in the inside of kidney slot 19 for kidney slot 19 drives ejector pin 20 and reciprocates at the middle part of mount pad 7, and the upper end of ejector pin 20 is constantly hit on the interior top surface of template 1 and is beaten, vibrates the closely knit with the inside concrete of template 1, has increased concrete placement's quality.

After adopting above-mentioned structure, this embodiment's beneficial effect is as follows:

1. the structure of the fixture block 9 and the limiting column 3 can effectively prevent the potential safety hazard of sudden drop of the supporting arch during supporting;

2. the formwork 1 is supported by the first hydraulic push rod 6, the second hydraulic push rod 11 and the supporting plate 13, so that the supporting operation is simple, the labor intensity of constructors is reduced, and the practicability is higher;

3. the upper end of the ejector rod 20 is driven to continuously hit the inner top surface of the template 1 through driving electric power, so that concrete in the template 1 is vibrated and compacted, and the concrete pouring quality is improved; meanwhile, the adjusting block 18 is effectively prevented from slipping off from the inside of the kidney groove 19 by the cooperation of the guide strip 23 and the guide groove 22.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides an automatic slipform device of mine tunnel which characterized in that: the device comprises a support (2), a template (1), a support column (4), a base (14), a first hydraulic push rod (6) and a second hydraulic push rod (11); the upper part of the inner side of the template (1) is provided with a support (2), the support (2) is arranged in an inverted U-shaped structure, the bottom surfaces of the vertical ends of the left side and the right side of the support (2) are respectively and fixedly provided with a limiting column (3), the lower end of each limiting column (3) is inserted into an adjusting groove (5) formed in the upper side of a supporting column (4), and each limiting column (3) is formed by stacking a plurality of round tables; a first hydraulic push rod (6) is fixedly arranged on the inner bottom surface of the adjusting groove (5), and the upper end of the first hydraulic push rod (6) is fixedly connected with the lower end of the limiting column (3); the side wall of the supporting column (4) is fixedly provided with an installation seat (7), the middle part of the installation seat (7) is fixedly provided with a rotating shaft (8), the middle part of the rotating shaft (8) is provided with a clamping block (9) through a bearing rotating sleeve, the rotating shafts (8) on the front side and the rear side of the clamping block (9) are respectively sleeved with a torsion spring (10), one end of the torsion spring (10) is fixedly connected with the installation seat (7), the other end of the torsion spring (10) is fixedly connected with the clamping block (9), and the upper end of the clamping block (9) is clamped with the limiting column (3) after movably penetrating through the side wall of the supporting column (4); the left side and the right side of the top surface of the horizontal end of the support (2) and the side wall of the support column (4) are vertically and fixedly provided with a second hydraulic push rod (11), the end part of the second hydraulic push rod (11) is rotatably provided with a support plate (13) through a spherical joint (12), and the side wall of the support plate (13) is abutted against the inner side wall of the template (1); the lower ends of the supporting columns (4) on the left side and the right side are both fixedly provided with bases (14).

2. The automatic sliding form device for the mine roadway according to claim 1, wherein: the side wall of the supporting plate (13) is fixedly provided with a rubber gasket (15), and the rubber gasket (15) is clamped between the supporting plate (13) and the template (1).

3. The automatic sliding form device for the mine roadway according to claim 1, wherein: the top surface of the horizontal end of the support (2) is fixedly provided with a driving motor (16) through a motor support, an output shaft of the driving motor (16) is fixedly provided with an eccentric shaft (17), the eccentric shaft (17) is fixedly provided with an adjusting block (18), the adjusting block (18) is arranged in the middle of a kidney-shaped groove (19), the top surface of the kidney-shaped groove (19) is vertically and fixedly provided with a mandril (20), the mandril (20) is movably sleeved with an installation frame (21), the installation frame (21) is arranged in a right angle shape, and the lower end of the vertical end of the installation frame (21) is fixedly arranged on the top surface of the support (2); the upper end of the mandril (20) is movably contacted with the inner top surface of the template (1).

4. The automatic sliding form device for the mine roadway according to claim 3, wherein: a guide groove (22) is formed in the inner side wall of the kidney-shaped groove (19), a guide strip (23) is fixedly arranged on the outer side wall of the adjusting block (18), and the guide strip (23) is arranged inside the guide groove (22) in a sliding mode.