A form carriage for the safe construction of a closure wall and a method of construction

Abstract

The application provides a closed wall safety molding trolley and a building method thereof, which comprises a self-walking chassis, a protective observation barrier is arranged at the upper end of the self-walking chassis, a hydraulic rotary table is arranged on the front end surface of the self-walking chassis, a gripping operation arm is installed on the upper end surface of the hydraulic rotary table, a welding operation arm is installed on the front section surface of the gripping operation arm, anchor rods are distributed on the inner wall surface of a roadway around the gripping operation arm during operation, fixed support columns are arranged on the surface of the anchor rods, steel mesh sheets are arranged on one side surface of the fixed support columns, and a plurality of cloth meshes are arranged on one side surface of the steel mesh sheets, so as to solve the safety accidents in the process of building the closed wall in the mine stope (goaf), and improve the building efficiency of the closed wall.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of constructing closed wall equipment, in particular to a closed wall safety molding trolley and a building method thereof. BACKGROUND

[0002] Filling closed wall is an important process for safe and efficient filling of goaf, and the filling closed wall mainly adopts rigid (concrete type, masonry type) and flexible (wooden board type, gravel type, membrane bag type) two types. The rigid closed wall has the advantages of large wall strength and not easy to be damaged, and the flexible closed wall has good dehydration capacity. However, the previous process for filling the goaf area with concrete closed wall is to manually support the wooden formwork, and then manually pour the concrete after the formwork is supported. Because the construction area is close to the goaf area, there are often falling rocks, and the construction area has a high risk. Therefore, an underground mine urgently needs a mechanized formwork trolley to keep the construction personnel away from the dangerous operation area.

[0003] In the invention patent application No. CN201210513899.8, application publication date 2014.06.11, and name of "a construction convenient construction site closed wall", including a first wall body and a second wall body made of stainless steel, and the first wall body and the second wall body are filled with soil material. This structure uses shaped plates and construction site soil and slag to surround and form a solid and firm wall body, which has good effect, saves raw materials, and saves time. However, this device still needs manual erection, which is time-consuming and laborious, and very dangerous.

[0004] The inventor found the following defects in the specific embodiment operation process.

[0005] The closed wall needs manual construction operation throughout the process, and falling rocks often occur in the roadway, which can easily cause falling rock injuries. SUMMARY

[0006] 1. Technical problems to be solved by the present application:

[0007] The present application provides a closed wall safety molding trolley and a building method thereof to solve the technical problems existing in the background art.

[0008] 2. Technical solutions:

[0009] In order to achieve the above object, the technical scheme provided by the present application is: a formwork trolley for constructing a closed wall, comprising a self-propelled chassis, a protective observation barrier is arranged at the upper end of the self-propelled chassis, a hydraulic rotary table is arranged on the front end surface of the self-propelled chassis, a gripping operation arm is mounted on the upper end surface of the hydraulic rotary table, a welding operation arm is mounted on the front section surface of the gripping operation arm, anchor rods are distributed on the inner wall surface of the roadway around the gripping operation arm during operation, fixed struts are arranged on the surface of the anchor rods, steel mesh sheets are arranged on one side surface of the fixed struts, and a plurality of cloth meshes are arranged on one side surface of the steel mesh sheets.

[0010] Further, the gripping operation arm and the welding operation arm constitute a rotating structure through the hydraulic rotary table at the front end of the self-propelled chassis, the fixed struts are fixed in the roadway through the anchor rods, the cloth meshes are arranged in small pieces on the surface of the steel mesh sheets, and the fixed struts are arranged in a plurality of pieces and are connected to each other through the welding operation arm.

[0011] Further, the gripping operation arm comprises a lower rotating seat, a stretching oil cylinder is movably connected to one end surface of the lower rotating seat, a swing large arm is arranged on the upper end surface of the lower rotating seat, a telescopic small arm is slidably connected to one end surface of the swing large arm, an inner oil cylinder is arranged in the swing large arm, an installation base is arranged on the front section surface of the telescopic small arm, a clamping rotary motor is arranged on the front end surface of the installation base, a clamping oil cylinder is fixedly connected to the top end of the clamping rotary motor, a clamping base is arranged on the surface of the clamping oil cylinder, a limiting slide rod is arranged on one end of the clamping base, clamping claws are movably connected to the two side surfaces of the front section of the clamping base, a cross slide is slidably connected to the surface of the limiting slide rod, and a linkage rod is movably connected between the clamping claws and the cross slide.

[0012] Further, the lower rotating seat constitutes a rotating structure through the hydraulic rotary table, the swing large arm and the telescopic small arm constitute a swing structure through the stretching oil cylinder, and the telescopic small arm constitutes a telescopic structure on the surface of the swing large arm through the inner oil cylinder.

[0013] Further, the welding operation arm comprises a side joint seat arranged on the surface of the installation base, a swing oil cylinder is arranged on the surface of the side joint seat, a welding telescopic swing arm is arranged on the surface of the swing oil cylinder, a front swing oil cylinder is arranged on the front end surface of the welding telescopic swing arm, a welding rotary motor is arranged on the surface of the front swing oil cylinder, and a welding gun is arranged on one side of the welding rotary motor.

[0014] Further, the installation base constitutes a swing structure through the gripping operation arm, a small oil cylinder is arranged in the welding telescopic swing arm, the welding telescopic swing arm constitutes a telescopic structure through the small oil cylinder, and the welding gun constitutes a rotating structure through the welding rotary motor.

[0015] Further, the welding gun realizes the rotating and swinging operations through the front swinging oil cylinder and the welding rotating motor.

[0016] A building method for constructing a closed wall, the building method being as follows:

[0017] S1, fixing an anchor rod on the surface of a transportation roadway through an anchor rod trolley;

[0018] S2, placing a fixed support at the position of the anchor rod through a gripping work arm, and welding the fixed support and the anchor rod through a welding gun in the welding work arm, and welding the multiple fixed supports;

[0019] S3, after the fixed support and the anchor rod are fixed, abutting a steel mesh against the surface of the fixed support through the gripping work arm, and fixing the steel mesh on the surface of the fixed support through the welding gun in the welding work arm;

[0020] S4, manually installing and pasting a mesh on the surface of the steel mesh, and spraying concrete on the surface of the steel mesh through a wet spraying machine, and completing the work after the concrete solidifies.

[0021] 3. Beneficial effects:

[0022] The present application has reasonable design, and the fixed support is installed and fixed on the surface of the anchor rod through the self-walking chassis and the gripping work arm during the construction of the closed wall. In this process, the front-end clamping jaw of the telescopic small arm is realized to be telescopic through the swinging large arm and the telescopic small arm in the gripping work arm, the front-end clamping jaw is realized to be rotated through the rotation of the clamping rotating motor, the cross slide is realized to slide on the limiting slide rod surface through the extension of the clamping oil cylinder, the clamping jaw is realized to be opened on the clamping base through the linkage rod, the clamping jaw is realized to be retracted on the clamping base through the retraction of the clamping oil cylinder, the clamping purpose is realized, and the gripping work arm and the fixed support are realized to be moved and transported through the self-walking chassis,

[0023] After the fixed support is welded and connected on the surface of the anchor rod, the welding gun at the front end of the telescopic swinging arm is controlled through the swinging oil cylinder in the welding work arm, the steel mesh is fixed on the surface of the fixed support through the clamping jaw, the steel mesh is fixed on the surface of the fixed support through the welding gun, the mesh is finally installed on the surface of the steel mesh through manual operation, the adhesion of the concrete is improved, the staff is in a relatively safe construction position through the self-walking chassis and the protective observation barrier net, and the situation of falling rocks in the roadway is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is a structural schematic view of the present application;

[0025] Figure 2 It is a closed wall schematic view of the present application;

[0026] Figure 3 Fig. 1 is a schematic view of a gripping work arm of the present application;

[0027] Figure 4 Fig. 2 is a schematic view of the inside of the gripping work arm of the present application;

[0028] Figure 5 Fig. 3 is a schematic view of a telescopic arm of the present application;

[0029] Figure 6 Fig. 4 is a schematic view of a clamping rotary motor of the present application;

[0030] Figure 7 Fig. 5 is a schematic view of the front end of the gripping work arm of the present application;

[0031] Figure 8 Fig. 6 is a schematic view of a welding work arm of the present application;

[0032] Figure 9 Fig. 7 is a schematic view of a self-walking chassis of the present application;

[0033] Figure 10 Fig. 8 is a schematic view of a mounting fixed pillar of the present application.

[0034] Reference signs:

[0035] 1, self-walking chassis; 2, protective observation screen; 3, hydraulic rotary table; 4, gripping work arm; 401, lower rotating seat; 402, extension oil cylinder; 403, swinging large arm; 404, telescopic arm; 405, inner oil cylinder; 406, mounting base; 407, clamping rotary motor; 408, clamping oil cylinder; 409, clamping base; 410, limiting slide rod; 411, clamping claw; 412, cross slide; 413, linkage rod; 5, welding work arm; 501, side joint seat; 502, swinging oil cylinder; 503, welding telescopic swinging arm; 504, front swinging oil cylinder; 505, welding rotating motor; 506, welding torch; 6, anchor rod; 7, fixed pillar; 8, steel mesh; 9, mesh. DETAILED DESCRIPTION

[0036] In order to make the present application more comprehensible, the present application will be described more fully below with reference to the accompanying drawings, in which several embodiments of the present application are given, but the present application can be realized in many different forms and is not limited to the embodiments described herein, on the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive.

[0037] In the description of the present application, it is understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "page", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0038] In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise explicitly specified and limited.

[0039] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "fixing", "providing" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0040] Embodiment:

[0041] Referring to the drawings Figures 1-10 , comprising a self-propelled chassis 1, the self-propelled chassis 1 is provided with a protective observation screen 2 at the upper end of the cab, the front surface of the self-propelled chassis 1 is provided with a hydraulic turntable 3, the upper end surface of the hydraulic turntable 3 is provided with a gripping operation arm 4, the front surface of the gripping operation arm 4 is provided with a welding operation arm 5, and the gripping operation arm 4 is distributed around the inner wall surface of the roadway during operation. Anchor rod 6, the surface of the anchor rod 6 is provided with a fixed support 7, one side surface of the fixed support 7 is provided with a steel mesh 8, one side surface of the steel mesh 8 is provided with a plurality of cloth meshes 9, the gripping operation arm 4 and the welding operation arm 5 constitute a rotating structure through the hydraulic turntable 3 at the front end of the self-propelled chassis 1, the fixed support 7 is fixed in the inside of the roadway through the anchor rod 6, the cloth mesh 9 is provided with a plurality of small pieces arranged on the surface of the steel mesh 8, the fixed support 7 is provided with a plurality of roots, which are connected to each other through the welding operation arm 5, and the steel mesh 8 is provided with a plurality of pieces.

[0042] The gripping operation arm 4 comprises a lower rotating base 401, one end surface of the lower rotating base 401 is movably connected with a stretching oil cylinder 402, the upper end surface of the lower rotating base 401 is provided with a swing large arm 403, one end surface of the swing large arm 403 is slidably connected with a telescopic small arm 404, the inside of the swing large arm 403 is provided with an inner oil cylinder 405, the front surface of the telescopic small arm 404 is provided with a mounting base 406, the front end surface of the mounting base 406 is provided with a clamping rotary motor 407, the top end of the clamping rotary motor 407 is fixedly connected with a clamping oil cylinder 408, the surface of the clamping oil cylinder 408 is provided with a clamping base 409, one end of the clamping base 409 is provided with a limiting slide rod 410, the surface of the limiting slide rod 410 is slidably connected with a cross slide 412, the clamping claw 411 and the cross slide 412 are movably connected with a linkage rod 413,

[0043] The lower rotating base 401 is rotatably connected with the hydraulic rotating disc 3, the swing large arm 403 and the telescopic small arm 404 are swingably connected with the stretching oil cylinder 402, the telescopic small arm 404 is telescopically connected with the inner oil cylinder 405 on the surface of the swing large arm 403, the clamping claw 411 and the clamping oil cylinder 408 are rotatably connected with the clamping rotary motor 407 on the front end of the telescopic small arm 404, the clamping claw 411 is slidably connected with the cross slide 412 on the surface of the limiting slide rod 410 on the front end of the clamping base 409.

[0044] In this embodiment, during the construction of the closed wall, the fixed support 7 is installed and fixed on the surface of the anchor rod 6 through the self-walking chassis 1 and the gripping operation arm 4, during the process, the telescopic small arm 404 front end clamping claw 411 is moved through the swing large arm 403 and the telescopic small arm 404 in the gripping operation arm 4, through the rotation of the clamping rotary motor 407, the front end clamping claw 411 is rotated, when the clamping oil cylinder 408 is stretched, the cross slide 412 is slid on the surface of the limiting slide rod 410, through the linkage rod 413, the clamping claw 411 is opened on the clamping base 409, through the contraction of the clamping oil cylinder 408, the cross slide 412 is pulled back, the linkage rod 413 drives the clamping claw 411 to contract on the clamping base 409, the purpose of clamping operation is achieved, at the same time, the self-walking chassis 1 moves and transports the gripping operation arm 4 and the fixed support 7.

[0045] It should be noted that the self-walking chassis 1 in the present scheme is a mature design, and will not be described here.

[0046] The welding operation arm 5 comprises a side connector 501 arranged on the surface of the mounting base 406, the surface of the side connector 501 is provided with an oscillating oil cylinder 502, the surface of the oscillating oil cylinder 502 is provided with a welding telescopic swing arm 503, the front end surface of the welding telescopic swing arm 503 is provided with a front swing oil cylinder 504, the surface of the front swing oil cylinder 504 is provided with a welding rotating motor 505, one side of the welding rotating motor 505 is provided with a welding gun 506, the mounting base 406 is arranged in an oscillating structure through the gripping operation arm 4, the welding telescopic swing arm 503 is internally provided with a small oil cylinder, the welding telescopic swing arm 503 is arranged in a telescopic structure through the small oil cylinder, the welding gun 506 is arranged in a rotating structure through the welding rotating motor 505, and the welding gun 506 realizes the rotating and oscillating operations through the front swing oil cylinder 504 and the welding rotating motor 505.

[0047] In this embodiment, after the fixed support 7 is welded and connected to the surface of the anchor rod 6, the welding gun 506 at the front end of the welding telescopic swing arm 503 in the welding operation arm 5 is controlled through the oscillating oil cylinder 502, the steel mesh 8 is fixed on the surface of the fixed support 7 through the clamping jaw 411, the steel mesh 8 is fixed on the surface of the fixed support 7 through the welding gun 506, and finally the mesh 9 is installed on the surface of the steel mesh 8 manually, so as to improve the adhesion of the concrete, the workers are in a relatively safe construction position through the self-propelled chassis 1 and the protective observation blocking net 2, and the situation of falling rocks in the roadway is avoided.

[0048] When the concrete is sprayed on the surfaces of the steel mesh 8 and the mesh 9 through the wet spraying machine, the thickness of the concrete needs to be sprayed to 300MM+.

[0049] A building method for constructing a closed wall, the building method is as follows:

[0050] S1, the anchor rod 6 is fixed on the surface of the transportation roadway through the anchor rod trolley;

[0051] S2, the fixed support 7 is placed at the position of the anchor rod 6 through the gripping operation arm 4, the fixed support 7 and the anchor rod 6 are welded and fixed through the welding gun 506 in the welding operation arm 5, and a plurality of fixed supports 7 are welded and connected;

[0052] S3, after the fixed support 7 and the anchor rod 6 are fixed, the steel mesh 8 is abutted on the surface of the fixed support 7 through the gripping operation arm 4, and the steel mesh 8 is fixed on the surface of the fixed support 7 through the welding gun 506 in the welding operation arm 5;

[0053] S4, the mesh 9 is installed and pasted on the surface of the steel mesh 8 manually, the concrete is sprayed on the surface of the steel mesh 8 through the wet spraying machine, and the work is completed after the concrete is solidified.

[0054] The above-described embodiments only express some implementation manners of the present application, which are described in a more specific and detailed manner, but should not be understood as a limitation on the patent scope of the present application; it should be noted that, for ordinary skilled persons in the art, several modifications and improvements can be made without departing from the concept of the present application, which all belong to the protection scope of the present application; therefore, the protection scope of the present application should be subject to the appended claims.

Claims

1. A closed wall safety molding trolley, characterized by: The invention comprises a self-propelled chassis (1), a protective observation screen (2) is provided at the cab on the upper end of the self-propelled chassis (1), a hydraulic turntable (3) is provided on the front end surface of the self-propelled chassis (1), a gripping arm (4) is installed on the upper end surface of the hydraulic turntable (3), a welding arm (5) is installed on the front surface of the gripping arm (4), anchor rods (6) are distributed around the gripping arm (4) on the inner wall surface of the tunnel during operation, a fixed support (7) is provided on the surface of the anchor rod (6), a steel mesh (8) is provided on one side surface of the fixed support (7), and a plurality of cloth meshes (9) are provided on one side surface of the steel mesh (8); The gripping working arm (4) includes a lower rotating seat (401), one end surface of the lower rotating seat (401) is movably connected to a stretching oil cylinder (402), the upper end surface of the lower rotating seat (401) is provided with a swing arm (403), one end surface of the swing arm (403) is slidably connected to a telescopic small arm (404), an inner oil cylinder (405) is provided inside the swing arm (403), a mounting base (406) is provided on the front surface of the telescopic small arm (404), and a clamping rotating body is provided on the front surface of the mounting base (406). A motor (407), the top of the clamping rotary motor (407) is fixedly connected to a clamping oil cylinder (408), a clamping base (409) is provided on the surface of the clamping oil cylinder (408), a limiting slide rod (410) is provided at one end of the clamping base (409), clamping claws (411) are movably connected to the surfaces of both sides of the front section of the clamping base (409), a cross slide rod (412) is slidably connected to the surface of the limiting slide rod (410), and a linkage rod (413) is movably connected between the clamping claw (411) and the cross slide rod (412); The clamping claw (411) and the clamping oil cylinder (408) form a rotating structure at the front end of the telescopic arm (404) through the clamping rotating motor (407). The clamping claw (411) drives the cross slider (412) through the clamping oil cylinder (408) to slide on the surface of the limiting slide rod (410) and form a telescopic clamping structure at the front end of the clamping base (409).

2. A closed wall safety molding trolley according to claim 1, characterized in that: The gripping working arm (4) and the welding working arm (5) form a rotating structure through the hydraulic turntable (3) at the front end of the self-propelled chassis (1); the fixed pillar (7) is fixed inside the tunnel through the anchor rod (6); the mesh (9) is provided with a plurality of small pieces arranged on the surface of the steel mesh (8); the fixed pillar (7) is provided with a plurality of roots, which are connected to each other through the welding working arm (5); and the steel mesh (8) is provided with a plurality of pieces.

3. The closed wall safety molding trolley according to claim 1, characterized in that: The lower rotating seat (401) forms a rotating structure through the hydraulic turntable (3), the swing arm (403) and the telescopic arm (404) form a swing structure through the extension and extension cylinder (402), and the telescopic arm (404) forms a telescopic structure on the surface of the swing arm (403) through the inner cylinder (405).

4. The closed wall safety molding trolley according to claim 1, characterized in that: The welding working arm (5) comprises a side seat (501) arranged on the surface of the mounting base (406); a swing oil cylinder (502) is arranged on the surface of the side seat (501); a welding telescopic swing arm (503) is arranged on the surface of the swing oil cylinder (502); a front swing oil cylinder (504) is arranged on the front end surface of the welding swing arm (503); a welding rotary motor (505) is arranged on the surface of the front swing oil cylinder (504); and a welding gun (506) is arranged on one side of the welding rotary motor (505).

5. The closed wall safety molding trolley according to claim 4, characterized in that: The mounting base (406) forms a swing structure by gripping the working arm (4); a small oil cylinder is provided inside the welding telescopic swing arm (503); the welding telescopic swing arm (503) forms a telescopic structure by the small oil cylinder; and the welding gun (506) forms a rotating structure by the welding rotating motor (505).

6. The closed wall safety molding trolley according to claim 4, characterized in that: The welding gun (506) simultaneously realizes rotation and swing operations through the front swing oil cylinder (504) and the welding rotation motor (505).

7. The method for safely forming a closed wall according to claim 1, wherein the method is as follows: S1, fixing the anchor rod (6) on the surface of the transport roadway by means of an anchor rod trolley; S2, placing a single fixed pillar (7) at the anchor rod (6) position by the grasping working arm (4), welding the fixed pillar (7) and the anchor rod (6) together by the welding gun (506) in the welding working arm (5), and simultaneously welding and connecting multiple fixed pillars (7); S3, after all the fixed pillars (7) are fixed to the anchor rods (6), the steel mesh (8) is brought into contact with the surface of the fixed pillars (7) by the gripping working arm (4), and the steel mesh (8) is fixed to the surface of the fixed pillars (7) by the welding gun (506) in the welding working arm (5); S4, manually installing the cloth mesh (9) and pasting it on the surface of the steel mesh (8), spraying concrete on the surface of the steel mesh (8) by a wet spraying machine, and completing the operation after the concrete solidifies.

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