Large-diameter shaft mounting structure

Abstract

The utility model discloses a large-diameter shaft mounting structure, and relates to the technical field of shaft mounting auxiliary equipment. Comprising at least three supporting frames, and universal wheels are fixed to the bottom ends of the supporting frames; a top seat is fixed to the top ends of the supporting frames, and the supporting frames are arrayed at the bottom end of the top seat. The top of the top seat is movably connected with a carrying plate through a connecting shaft. The installation structure is provided with the ratchet wheel winder and the positioning rope, when the installation structure is used, the handrail is held, the installation structure is moved to the top of a large-diameter shaft, then the large-diameter shaft is clamped through the clamping hand, and then the handrail is pressed downwards, so that the large-diameter shaft is easily lifted and a rotating wheel on the ratchet wheel winder is rotated according to the lever principle until the positioning rope is in a straightened state; a triangular structure is formed among the positioning rope, the ratchet wheel winder and the vertical rod, and the ratchet wheel winder locks the positioning rope in the reverse direction, so that the left side bearing plate cannot move upwards in the moving process and cannot touch a worker, and potential safety hazards are reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to wellbore installation auxiliary equipment technical field, concretely is big diameter wellbore installation structure. BACKGROUND

[0002] In the mining, the vertical shaft tower and the wellbore are two key components, wherein the wellbore is the mine passage perpendicular to the ground, and is usually used for the mining of ore, the transportation of personnel and the mine ventilation, when installing the wellbore, the wellbore is usually moved from the stacking position to the construction position by the crane, and then the wellbore is installed in the mine by the winch, however, the movement by the crane and other special machinery will increase the production cost.

[0003] For example, the utility model patent with the authorization announcement number CN219567515U discloses a check well prefabricated wellbore installation device, the structure of the check well prefabricated wellbore installation device is simple, small in size and can be conveniently assembled, so that the short-distance carrying of the prefabricated wellbore is facilitated and safe, the operation convenience is greatly improved, the installation of the prefabricated wellbore does not need the crane, the excavator and other special machinery to cooperate, so that the production cost is reduced, and the installation efficiency is improved.

[0004] The above scheme solves the technical problems in the background art, but still has some defects in actual application, for example, for the installation of the wellbore with large diameter, when lifting or placing the wellbore, the hand may be separated from the arm beam when pressing or lifting the arm beam due to the heavy weight of the wellbore, and the arm beam may hit the worker when moving upward, so that there is a safety hazard. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a large-diameter wellbore installation structure to solve the problems in the above background art.

[0006] To achieve the above object, the utility model provides the following technical scheme: a large-diameter wellbore installation structure, comprising a support frame, the support frame is provided with at least three, the bottom end of the support frame is fixed with a universal wheel;

[0007] The top end of the support frame is fixed with a top seat, and the support frames are arranged at the bottom end of the top seat.

[0008] A carrying plate is movably connected to the top seat through a connecting shaft, a clamping hand is arranged at the bottom of one side of the carrying plate, and the top of the clamping hand is connected with a winding device through a pull rope.

[0009] The other side of the carrying plate is provided with a ratchet reel, and the ratchet reel is connected with the top seat through a positioning rope.

[0010] Preferably, the winding device comprises a box body, a winding shaft is movably connected in the box body, and the pull rope is wound on the shaft body of the winding shaft.

[0011] One side of the winding shaft is fixed with a worm wheel, the worm is movably connected in the box, the worm is engaged with the worm wheel, the motor is fixed outside the box, and the output end of the motor is fixed with the end of the worm.

[0012] Preferably, the number of support frames is three, which are distributed in a triangular shape at the bottom end of the top base.

[0013] Preferably, the bottom end of the top base is fixed with a vertical rod, and one side of the positioning rope is fixed with the bottom of the vertical rod.

[0014] Preferably, the positioning rope is a steel wire rope.

[0015] Preferably, the side of the plate near the ratchet reel is fixed with a U-shaped handrail.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] The large-diameter shaft installation structure is provided with a ratchet reel and a positioning rope, when in use, the handrail is held, the installation structure is moved to the top of the large-diameter shaft, then the large-diameter shaft is clamped by the clamping hand, and then the handrail is pressed down, so that the large-diameter shaft is easily lifted by the principle of lever, the rotating wheel on the ratchet reel is rotated until the positioning rope is in a straight state, a triangular structure is formed between the positioning rope, the ratchet reel and the vertical rod, the ratchet reel is locked in the opposite direction to the positioning rope, so that the left plate does not move upward during the movement and does not touch the staff, thereby reducing the safety hidden danger.

[0018] Meanwhile, the winding device is arranged, the vertical movement of the clamping hand and the large-diameter shaft is driven by the winding device, since the worm and the worm wheel have self-locking performance, the rope does not rotate disorderly, the clamping hand and the large-diameter shaft are effectively prevented from falling, the winding device, the ratchet reel and the positioning rope form a double-system installation structure, the safety hidden danger is effectively reduced, and the working efficiency is improved.

[0019] Furthermore, after the large-diameter shaft is moved to the top of the installation position, the motor is controlled to rotate by the controller, the worm drives the worm wheel and the winding shaft to rotate, and the rope drives the clamping hand to move downward, so that the large-diameter shaft is placed in the specified position. BRIEF DESCRIPTION OF DRAWINGS

[0020] Fig. 1 It is a whole structure schematic view of the utility model;

[0021] Fig. 2 It is a detail view of the reel of the utility model.

[0022] In the figure: 1, support frame; 101, universal wheel; 2, top seat; 3, carrying plate; 4, handrail; 5, vertical rod; 6, ratchet roller; 7, positioning rope; 8, clamping hand; 9, pull rope; 10, winding device; 111, winding shaft; 112, worm gear; 113, worm; 114, motor. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0024] The mounting structure in the technical solution is used for mounting a large-diameter well shaft, and solves the technical problem in the prior art that when the well shaft is lifted or placed, the hand may be separated from the arm beam when pressing or lifting the arm beam due to the heavy weight of the well shaft, and the arm beam may hit the worker when moving upward, thereby causing a safety hazard.

[0025] As shown in Figs. 1-2 The utility model provides a technical scheme: large-diameter well shaft mounting structure, including support frame 1, support frame 1 is at least provided with three, the top of support frame 1 is fixed with top seat 2, support frame 1 array is in the bottom of top seat 2, universal wheel 101 is fixed in the bottom of support frame 1, in one specific embodiment of the scheme, in order to reduce the overall weight of the mounting structure, the number of support frame 1 is provided with three, three support frame 1 is distributed in triangle, it can be known that the triangular distribution of support frame 1 can improve the stability of the mounting structure, in addition, the universal wheel 101 in the scheme has the performance of stopping, moving the device to the side of the large-diameter well shaft, and stepping on the stop plate of the universal wheel 101 can realize the positioning of the device.

[0026] The top seat 2 is movably connected with the carrying plate 3 through a connecting shaft, as shown in Fig. 1 The carrying plate 3 is divided into a left plate body and a right plate body through the connecting shaft, and the ratio of the length of the left plate body to the length of the right plate body is (3-4):1, that is, a lever structure is formed between the carrying plate 3, the connecting shaft and the top seat 2, a clamping hand 8 is arranged at the bottom of one side of the carrying plate 3, the top of the clamping hand 8 is connected with a winding device 10 through a pull rope 9, and the structure of the clamping hand 8 has been disclosed in the inspection well prefabricated well shaft mounting device with the publication number CN219567515U, which will not be described herein again.

[0027] The other side of the plate 3 is provided with a ratchet reel 6, and the ratchet reel 6 is connected with the top base 2 through a positioning rope 7, and it can be understood that the positioning rope 7, the ratchet reel 6 and the vertical rod 5 form a triangular structure after the positioning rope 7 is tightened through the ratchet reel 6, in order to increase the length of the side of the triangle and make the stability better, the vertical rod 5 is fixed at the bottom end of the top base 2, one side of the positioning rope 7 is fixed with the bottom of the vertical rod 5, the ratchet reel 6 is a device for controlling the recovery of a rope or a belt, which uses a ratchet mechanism to make the rope freely slide in one direction and is locked in the opposite direction, which can prevent the rope from being rolled back, and the ratchet reel 6 is prior art, which will not be described in detail in the scheme, in order to prevent the plate 3 from being unstable, in one specific embodiment of the scheme, the positioning rope 7 is selected to be a steel wire rope with small elasticity.

[0028] As shown in Fig. 2 The winding device 10 includes a box body, a winding shaft 111 is movably connected in the box body, the pull rope 9 is wound on the shaft body of the winding shaft 111, a worm gear 112 is fixed on one side of the winding shaft 111, a worm 113 is movably connected in the box body, the worm 113 is engaged with the worm gear 112, a motor 114 is fixed outside the box body, the motor 114 is selected to be a servo motor with controllable speed and high position accuracy, and the output end of the motor 114 is fixed with the end of the worm 113.

[0029] In order to facilitate the movement of the installation structure, a U-shaped handrail 4 is fixed on the side of the plate 3 close to the ratchet reel 6, and anti-skid rubber is installed on the handrail 4.

[0030] For the supplement of the scheme, when in use, the handrail 4 is held to move the installation structure to the top of the large-diameter shaft, then the large-diameter shaft is clamped through the clamping hand 8, and then the handrail 4 is pressed down, so that the large-diameter shaft is easily lifted by the lever principle, the rotating wheel on the ratchet reel 6 is rotated until the positioning rope 7 is in a straight state, the ratchet reel 6 locks the positioning rope 7 in the opposite direction, so that the left plate 3 does not move upward during the movement, and does not touch the staff, thereby reducing the safety hazard. After the large-diameter shaft is moved to the top of the installation position, the motor is controlled to rotate through the controller, the worm 113 drives the worm gear 112 and the winding shaft 111 to rotate, and the pull rope 9 drives the clamping hand 8 to move downward, and it can be understood that the worm 113 and the worm gear 112 have self-locking performance, so that the pull rope 9 does not rotate disorderly, so that the large-diameter shaft is placed in the specified position.

[0031] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended embodiments and their equivalents.

Claims

1. A large-diameter wellbore installation structure, including a support frame (1), characterized in that: The support frame (1) is configured with at least three supports, and the bottom end of the support frame (1) is fixed with casters (101); A top seat (2) is fixed to the top of the support frame (1), and the support frames (1) are arranged at the bottom of the top seat (2); The top of the top seat (2) is movably connected to the support plate (3) via a connecting shaft. A clamp (8) is provided on the bottom side of one side of the support plate (3). The top of the clamp (8) is connected to the winding device (10) via a pull rope (9). A ratchet winder (6) is provided on the other side of the support plate (3), and a positioning rope (7) is connected between the ratchet winder (6) and the top seat (2).

2. The large-diameter wellbore installation structure according to claim 1, characterized in that: The winding device (10) includes a housing, in which a winding shaft (111) is movably connected, and a pull rope (9) is wound around the shaft of the winding shaft (111). A worm gear (112) is fixed on one side of the winding shaft (111), and a worm (113) is movably connected inside the housing. The worm (113) meshes with the worm gear (112). A motor (114) is fixed on the outside of the housing, and the output end of the motor (114) is fixed to the end of the worm (113).

3. The large-diameter wellbore installation structure according to claim 1, characterized in that: The number of support frames (1) is set to three, which are distributed in a triangle at the bottom of the top seat (2).

4. The large-diameter wellbore installation structure according to claim 1, characterized in that: The bottom end of the top seat (2) is fixed with a vertical rod (5), and one side of the positioning rope (7) is fixed to the bottom of the vertical rod (5).

5. The large-diameter wellbore installation structure according to claim 1, characterized in that: The positioning rope (7) is a steel wire rope.

6. The large-diameter wellbore installation structure according to claim 1, characterized in that: A U-shaped handrail (4) is fixed to the side of the support plate (3) near the ratchet rewinder (6).

Images