A tunnel top maintenance device for tunnel construction

Abstract

The utility model discloses a tunnel top maintenance equipment for tunnel construction relates to tunnel construction technical field. Including support platform, be provided with lifting assembly on support platform, and lifting assembly includes the fixed vertical tube of support platform top surface four corners fixed, and the fixed vertical column is slidably inserted in fixed vertical tube, and the fixed frame board is fixed to fixed vertical column top, and the first arch board is fixed to the symmetry of positive back surface side on support platform, and the horizontal movement adjusting assembly is arranged on fixed frame board, and the horizontal movement adjusting assembly includes the maintenance frame of fixed frame board top surface sliding arrangement, and the positive back surface of fixed frame board penetrates through intercommunication. The utility model discloses through the setting of horizontal movement adjusting assembly, and after single position movement of equipment, under the stretching support of articulated telescopic link of extension L type board, the horizontal lateral support range of this equipment is lengthened, makes the maintenance frame more stable horizontal position movement under the drive of sliding block, is more applicable to the inside of the tunnel of greater width, improves the applicability of equipment.

Description

Technical Field

[0001] This utility model relates to the field of tunnel construction technology, specifically to a tunnel roof maintenance device for tunnel construction. Background Technology

[0002] Tunnel construction refers to the process of excavating, supporting, and lining underground using various technical means to ultimately form a tunnel structure for people or goods to pass through. Tunnel construction is commonly used in engineering projects such as transportation, drainage systems, gas supply, or power supply. Currently, during the tunnel construction process, top maintenance equipment is required.

[0003] There is a tunnel top maintenance device for tunnel construction (authorization announcement number: CN207259100U). This utility model uses the cooperation of a lifting mechanism and an accompanying mechanism to keep construction personnel in a suitable construction position and allow them to carry out maintenance on the tunnel top. However, the maintenance range of the above-mentioned device after a single position movement is small, and it is inconvenient to adjust the position of the maintenance platform according to the tunnel width. The workers can only maintain the tunnel top within a small range, which reduces its applicability. Therefore, this utility model is proposed. Utility Model Content

[0004] The purpose of this utility model is to provide a tunnel top maintenance device for tunnel construction, so as to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a tunnel top maintenance device for tunnel construction, comprising a support platform, a lifting assembly on the support platform, the lifting assembly including fixed vertical tubes fixed at the four corners of the top surface of the support platform, fixed vertical columns slidably inserted inside the fixed vertical tubes, a fixed frame plate fixed at the top of the fixed vertical columns, first arch plates symmetrically fixed on the front and back sides of the support platform, a horizontal movement adjustment assembly on the fixed frame plate, the horizontal movement adjustment assembly including a maintenance frame slidably disposed on the top surface of the fixed frame plate, the front and back sides of the fixed frame plate being interconnected, vertical plates symmetrically fixed on both sides inside the fixed frame plate, a lead screw rotatably connected between the two vertical plates at the middle, limit rods symmetrically arranged on the front and back sides of the lead screw, the two ends of the limit rods being fixed to the vertical plates respectively, and a first drive motor mounted on the vertical plate being connected to one end of the lead screw.

[0006] Preferably, a sliding block is adapted to be provided in the middle of the lead screw and the limiting rod as a whole, and a limiting block is symmetrically fixed on the top front and back sides of the sliding block, and a limiting sliding hole adapted to the sliding trajectory of the limiting block is symmetrically opened on the upper part of the fixed frame plate.

[0007] Preferably, the top front and back sides of the fixed frame plate are symmetrically provided with first sliding grooves, the bottom surface of the maintenance frame is fixed to the limiting block, and the bottom surface of the maintenance frame is symmetrically fixed with connecting sliders that are adapted to slide in the first sliding grooves.

[0008] Preferably, the fixed frame plate has symmetrically arranged extended L-shaped plates on both sides, and a rotating rod is fixedly inserted into the inward end of the extended L-shaped plate. A U-shaped plate is rotatably sleeved at the end of the rotating rod, and the U-shaped plate is fixed on the fixed frame plate.

[0009] Preferably, the top surface of the extended L-shaped plate is flush with the top surface of the fixed frame plate when it is rotated and unfolded, and a second slide groove adapted to the first slide groove is symmetrically opened on the unfolded top surface. The connecting slider is adapted to the second slide groove. Side plates are symmetrically fixed on both sides of the first arch plate, and a hinged telescopic rod is hinged between the side plates and the unfolded bottom surface of the extended L-shaped plate.

[0010] Preferably, the lifting assembly further includes a rack rod embedded and fixed on one side of the fixed vertical column, a rotating gear meshing with the rack rod on the upper part of one side of the fixed vertical tube, and a through hole adapted to the rotating gear on the fixed vertical tube.

[0011] Preferably, shafts are rotatably inserted on both sides of the first arch plate, and the shafts are adapted to be inserted and fixed on the central shaft of the rotating gear at the corresponding position. The middle part of each shaft is rotatably fitted with a second arch plate fixed on the top surface of the support platform. A synchronous belt is connected between the two shafts, and a second drive motor mounted on the first arch plate is connected to the front end of the shaft located on one side.

[0012] Preferably, the support platform is provided with a stable support assembly, which includes a lifting telescopic rod connected to the middle of the top surface of the support platform, a cross plate fixed to the top of the lifting telescopic rod, a connecting frame plate fixed to the outside of the cross plate, a plurality of bent legs fixed to the outside of the connecting frame plate, anti-slip pads fixed to the top of the bent legs, insert rods fixed to the four corners of the top surface of the support platform, the connecting frame plate being slidably fitted onto the insert rods, and movable legs fixed to the four corners of the bottom surface of the support platform, with movable wheels fixed to the bottom of the movable legs.

[0013] Compared with the prior art, the beneficial effects of this utility model are: This tunnel top maintenance equipment for tunnel construction, through the setting of a horizontal movement adjustment component, after a single position movement of the equipment, the extension L-shaped plate, under the tensile support of the hinged telescopic rod, extends the horizontal lateral support range of the equipment, making the maintenance frame move more stably in a horizontal position under the drive of the sliding block, making it more suitable for tunnels with larger widths and improving the applicability of the equipment. Attached Figure Description

[0014] Figure 1 This is a three-dimensional structural diagram of the present invention; Figure 2 This is a first sectional view of the present invention; Figure 3 This is a second sectional view of the present invention; Figure 4 This is a three-dimensional disassembled structural diagram of the present invention, showing the removal of the maintenance frame and the first arch plate.

[0015] In the diagram: 1. Support platform; 101. Fixed vertical pipe; 102. Fixed vertical column; 103. Fixed frame plate; 104. Rack rod; 105. Rotating gear; 106. Shaft rod; 107. First arch plate; 108. Second arch plate; 109. Synchronous belt; 2. Vertical plate; 201. Lead screw; 202. Limiting rod; 203. Sliding block; 204. Limiting block; 205. Limiting sliding hole; 206. First sliding groove; 207. Maintenance frame; 3. Extending L-shaped plate; 301. Rotating rod; 302. U-shaped plate; 303. Second sliding groove; 304. Side plate; 305. Hinge telescopic rod; 4. Lifting telescopic rod; 401. Cross plate; 402. Bending leg. Detailed Implementation

[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0017] During tunnel construction, tunnel top maintenance equipment is required. The maintenance equipment provided by this utility model is specifically designed to ensure the stability of the maintenance frame 207 when it is raised, lowered and moved horizontally, thereby increasing the range of maintenance in the tunnel and improving its applicability. Before using this equipment for maintenance, preparatory work such as inspection is required to ensure the normal use of the equipment.

[0018] like Figures 1-4 As shown, this utility model provides a technical solution: a tunnel top maintenance device for tunnel construction, including a support platform 1, a lifting assembly on the support platform 1, the lifting assembly including fixed vertical pipes 101 fixed at the four corners of the top surface of the support platform 1, fixed vertical columns 102 slidably inserted in the fixed vertical pipes 101, a fixed frame plate 103 fixed at the top of the fixed vertical column 102, a first arch plate 107 symmetrically fixed on the front and back sides of the support platform 1, a horizontal movement adjustment assembly on the fixed frame plate 103, the horizontal movement adjustment assembly including a maintenance frame 207 slidably disposed on the top surface of the fixed frame plate 103, the front and back sides of the fixed frame plate 103 are connected through, vertical plates 2 are symmetrically fixed on both sides inside the fixed frame plate 103, a screw rod 201 is rotatably connected between the two vertical plates 2 at the middle, limit rods 202 are symmetrically arranged on the front and back sides of the screw rod 201, the two ends of the limit rods 202 are respectively fixed to the vertical plates 2, and a first drive motor installed on the vertical plate 2 is connected to one end of the screw rod 201.

[0019] In this embodiment, a sliding block 203 is adapted to be provided in the middle of the lead screw 201 and the limiting rod 202. A limiting block 204 is symmetrically fixed on the top front and back sides of the sliding block 203. A limiting sliding hole 205 adapted to the sliding trajectory of the limiting block 204 is symmetrically opened on the upper part of the fixed frame plate 103. A first sliding groove 206 is symmetrically opened on the top front and back sides of the fixed frame plate 103. The bottom surface of the maintenance frame 207 is fixed to the limiting block 204. A connecting slider adapted to slide in the first sliding groove 206 is symmetrically fixed on the bottom surface of the maintenance frame 207.

[0020] In this embodiment, extended L-shaped plates 3 are symmetrically arranged on both sides of the fixed frame plate 103. A rotating rod 301 is fixedly inserted into the inward end of the extended L-shaped plate 3. A U-shaped plate 302 is rotatably sleeved at the end of the rotating rod 301. The U-shaped plate 302 is fixed on the fixed frame plate 103. The top surface of the extended L-shaped plate 3 is flush with the top surface of the fixed frame plate 103 when rotated and unfolded. A second slide groove 303 adapted to the first slide groove 206 is symmetrically opened on the unfolded top surface. The connecting slider is adapted to the second slide groove 303. Side plates 304 are symmetrically fixed on both sides of the first arch plate 107. A hinged telescopic rod 305 is hinged between the side plate 304 and the unfolded bottom surface of the extended L-shaped plate 3. It should be noted that the maintenance frame 207 adopts the prior art, which facilitates the staff to enter and perform standing maintenance work.

[0021] In this embodiment, the lifting assembly also includes a rack 104 embedded and fixed on one side of a fixed vertical column 102, and a rotating gear 105 meshing with the rack 104 is provided on the upper part of one side of a fixed vertical tube 101. A through hole adapted to the rotating gear 105 is provided on the fixed vertical tube 101. It should be noted that the rotating gear 105 and the rack 104 are existing technologies. By setting up the horizontal movement adjustment assembly, after the equipment moves to a single position, the extended L-shaped plate 3, under the tensile support of the hinged telescopic rod 305, extends the horizontal lateral support range of the equipment, so that the maintenance frame 207 can move more stably in a horizontal position under the drive of the sliding block 203, which is more suitable for tunnels with a large width and improves the applicability of the equipment.

[0022] In this embodiment, shafts 106 are rotatably inserted on both sides of the first arch plate 107. The shafts 106 are adapted to be inserted and fixed on the central shaft of the rotating gear 105 at corresponding positions. A second arch plate 108, fixed to the top surface of the support platform 1, is rotatably sleeved on the middle of each shaft 106. A synchronous belt 109 connects the two shafts 106. A second drive motor mounted on the first arch plate 107 is connected to the front end of one shaft 106. A stable support assembly is provided on the support platform 1, including a lifting telescopic rod 4 connected to the middle of the top surface of the support platform 1. A cross plate 401 is fixed to the top of the rod 4. A connecting frame plate is fixed to the outside of the cross plate 401. Multiple bent legs 402 are fixed to the outside of the connecting frame plate. Anti-slip pads are fixed to the top of the bent legs 402. Insert rods are fixed to the four corners of the top surface of the support platform 1. The connecting frame plate is slidably sleeved on the insert rods. Movable legs are fixed to the four corners of the bottom surface of the support platform 1. Movable wheels are fixed to the bottom of the movable legs. It should be noted that the hinged telescopic rod 305 and the lifting telescopic rod 4 are electric telescopic rods in the prior art. The first drive motor and the second drive motor are servo motors with self-locking function in the prior art.

[0023] Working principle: When using this maintenance equipment for top maintenance work, move the equipment to a suitable position in the tunnel, control the retraction of the lifting telescopic rod 4 so that the bent leg 402 and the anti-slip pad contact the ground, ensuring the stability of the equipment. The worker enters the maintenance frame 207 through the ladder and controls the rotating gear 105 to rotate synchronously, so that the rack rod 104 and the fixed vertical column 102 together drive the maintenance frame 207 to rise to a suitable position. When it is necessary to move the maintenance frame 207 horizontally in a wide tunnel, control the extension L-shaped plate 3 on the moving side to rotate and unfold under the tension of the hinged telescopic rod 305, which provides support and stability for the maintenance frame 207.

[0024] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended embodiments and their equivalents.

Claims

1. A tunnel roof maintenance device for tunnel construction, comprising a support platform (1), characterized in that: A lifting assembly is provided on the support platform (1). The lifting assembly includes a fixed vertical tube (101) fixed at the four corners of the top surface of the support platform (1). A fixed vertical column (102) is slidably inserted in the fixed vertical tube (101). A fixed frame plate (103) is fixed at the top of the fixed vertical column (102). A first arch plate (107) is symmetrically fixed on the front and back sides of the support platform (1). A horizontal movement adjustment assembly is provided on the fixed frame plate (103). The horizontal movement adjustment assembly includes a maintenance frame (207) slidably installed on the top surface of the fixed frame plate (103). The front and back sides of the fixed frame plate (103) are connected through each other. Vertical plates (2) are symmetrically fixed on both sides inside the fixed frame plate (103). A screw rod (201) is rotatably connected in the middle between the two vertical plates (2). A limit rod (202) is symmetrically provided on the front and back sides of the screw rod (201). The two ends of the limit rod (202) are fixed to the vertical plates (2) respectively. A first drive motor installed on the vertical plate (2) is connected to one end of the screw rod (201).

2. The tunnel roof maintenance equipment for tunnel construction according to claim 1, characterized in that: The lead screw (201) and the limiting rod (202) are fitted with a sliding block (203) in the middle. The top front and back sides of the sliding block (203) are symmetrically fixed with a limiting block (204). The upper part of the fixed frame plate (103) is symmetrically provided with a limiting sliding hole (205) that matches the sliding trajectory of the limiting block (204).

3. A tunnel roof maintenance device for tunnel construction according to claim 2, characterized in that: The fixed frame plate (103) has a first sliding groove (206) symmetrically opened on the top front and back sides. The bottom surface of the maintenance frame (207) is fixed to the limiting block (204). The bottom surface of the maintenance frame (207) is symmetrically fixed with a connecting slider that is adapted to slide in the first sliding groove (206).

4. A tunnel roof maintenance device for tunnel construction according to claim 3, characterized in that: The fixed frame plate (103) is symmetrically provided with extended L-shaped plates (3) on both sides. A rotating rod (301) is fixedly inserted into the inner end of the extended L-shaped plate (3). A U-shaped plate (302) is rotatably sleeved at the end of the rotating rod (301). The U-shaped plate (302) is fixed on the fixed frame plate (103).

5. A tunnel roof maintenance device for tunnel construction according to claim 4, characterized in that: The extended L-shaped plate (3) rotates and unfolds, and its top surface is flush with the top surface of the fixed frame plate (103). A second slide groove (303) adapted to the first slide groove (206) is symmetrically opened on the unfolded top surface. The connecting slider is adapted to the second slide groove (303). Side plates (304) are symmetrically fixed on both sides of the first arch plate (107). A hinged telescopic rod (305) is hinged between the side plate (304) and the unfolded bottom surface of the extended L-shaped plate (3).

6. A tunnel roof maintenance device for tunnel construction according to claim 1, characterized in that: The lifting assembly also includes a rack rod (104) embedded and fixed on one side of a fixed vertical column (102), and a rotating gear (105) that meshes with the rack rod (104) is provided on the upper part of one side of the fixed vertical tube (101), and a through hole that matches the rotating gear (105) is provided on the fixed vertical tube (101).

7. A tunnel roof maintenance device for tunnel construction according to claim 6, characterized in that: A shaft (106) is rotatably inserted on both sides between the first arch plate (107). The shaft (106) is adapted to be inserted and fixed on the central shaft of the rotating gear (105) at the corresponding position. The middle part of the shaft (106) is rotatably sleeved with a second arch plate (108) fixed on the top surface of the support platform (1). A synchronous belt (109) is connected between the two shafts (106). The front end of the shaft (106) located on one side is connected to a second drive motor installed on the first arch plate (107).

8. A tunnel roof maintenance device for tunnel construction according to claim 1, characterized in that: The support platform (1) is provided with a stable support assembly, which includes a lifting telescopic rod (4) connected to the middle of the top surface of the support platform (1). A cross plate (401) is fixed at the top of the lifting telescopic rod (4). A connecting frame plate is fixed on the outside of the cross plate (401). Multiple bent legs (402) are fixed on the outside of the connecting frame plate. Anti-slip pads are fixed at the top of the bent legs (402). Insert rods are fixed at the four corners of the top surface of the support platform (1). The connecting frame plate is slidably fitted onto the insert rods. Movable legs are fixed at the four corners of the bottom surface of the support platform (1). Movable wheels are fixed at the bottom of the movable legs.

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