Concrete shaft lifting device
By using a combination of electric telescopic rods, limiting mechanisms and pallets in the wellbore lifting device, the problems of vulnerability and low safety of ropes or lifting belts during the wellbore lifting process are solved, and the stable lifting and integrity of the wellbore are achieved.
Patent Information
- Application Number
- CN202421062921.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-16
- Publication Date
- 2024-12-17
- Estimated Expiration
- 2034-05-16
AI Technical Summary
During the lifting of existing wellbores, ropes or lifting belts are tied to the outer wall of the wellbore and are inconvenient to disassemble, resulting in low safety and easy damage, and the wellbore is prone to slip off during the lifting process.
A concrete wellbore lifting device is designed, using a combination of electric telescopic rod, limiting mechanism and pallet. The limiting mechanism contacts and extrudes with the inner wall of the wellbore. The pallet holds the bottom end of the wellbore to ensure the safety of the wellbore during the lifting process. Sex and integrity.
The limiting mechanism contacts the inner wall of the wellbore and supports the bottom end of the wellbore by pressing and pallets, stable lifting of the wellbore is achieved, avoiding the wellbore slippage and damage to ropes or hoisting belts, and improving the safety and integrity of the lifting process.
Smart Images
Figure CN222181520U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of shaft lifting devices, in particular to a concrete shaft lifting device. Background Art
[0002] A shaft refers to a vertical or inclined project excavated from the ground to the ore body during underground mining or underground engineering construction. A vertical project is called a vertical shaft, and an inclined project is called an inclined shaft. The shaft is the main entrance and exit of the mine to the ground. It is the throat project for lifting and transporting coal (or gangue), transporting personnel, materials and equipment, as well as ventilation and drainage during mine production. Precast concrete shafts have a wide range of applications and diverse installation methods. Rainwater and sewage inspection wells in municipal road projects are also mostly constructed using precast shaft hoisting methods.
[0003] At present, during the hoisting process of the wellbore, the wellbore is first tied up with ropes or lifting belts, and then the wellbore is lifted out or transported from the previously excavated pipeline by an external device. Since the inner wall of the pipeline is narrow, the ropes and lifting belts are tied to the outer wall of the wellbore, which is not convenient for subsequent disassembly. At the same time, after the ropes and lifting belts have been transporting and lifting the wellbore for a period of time, the ropes or lifting belts are damaged by friction with the inner wall of the pipeline, causing the ropes or lifting belts to break during operation, and safety cannot be guaranteed. At the same time, the sliding wellbore is damaged by impact from external objects. Therefore, a concrete wellbore lifting device is provided. Utility Model Content
[0004] The purpose of the utility model is to provide a concrete shaft lifting device to solve the problem that the method of bundling the shaft with ropes or lifting belts proposed in the above-mentioned background technology is not convenient for subsequent disassembly of the ropes or lifting belts, and the use of lifting belts or ropes leads to low safety and inability to ensure the integrity of the shaft lifting process.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a concrete shaft lifting device, comprising a lifting device body; an electric telescopic rod, the electric telescopic rod is arranged at the top of the lifting device body, and the output end of the electric telescopic rod is connected to a movable frame through a coupling; a limiting mechanism, the limiting mechanism is arranged on the outer wall of the lifting device body, and the limiting mechanism extends to the interior of the lifting device body, the limiting mechanism includes a limiting seat sleeved inside the lifting device body, one end of the limiting seat extends to the outside of the lifting device body, and the interior of the lifting device body is sleeved with a support plate, and the support plate is located below the limiting seat.
[0006] By adopting the above technical solution, the limiting mechanism is used to abut against the inner wall of the wellbore, thereby facilitating the lifting device body to lift the wellbore, the limiting seat is used to abut against the inner wall of the wellbore, and the support plate is used to support the bottom end of the wellbore.
[0007] Preferably, the limiting mechanism also includes a driving motor fixed to the inside of the moving frame by bolts, the output end of the driving motor is connected to a rotating rod through a coupling, the rotating rod extends to the bottom of the moving frame, the outer wall of the rotating rod is sleeved with a rotating column, and the rotating column is rotatably connected to the inner wall of the lifting device body through a bearing.
[0008] By adopting the above technical solution, the output end of the driving motor can rotate to drive the rotating column to rotate through mechanical transmission.
[0009] Preferably, a protrusion is welded on the outer wall of the rotating rod, and a moving groove is opened on the inner wall of the rotating column, and the moving groove matches the moving track of the protrusion.
[0010] By adopting the above technical solution and arranging the movable groove and the protrusion, the rotation of the rotating rod can drive the protrusion to rotate, and the rotation of the protrusion can squeeze and drive the movable groove to rotate, thereby driving the rotating column to rotate.
[0011] Preferably, a first bevel gear is welded to the outer wall of the rotating column, second bevel gears are meshed at both ends of the first bevel gear, a threaded rod is welded to one end of the second bevel gear, the outer wall of the threaded rod is connected to the inner wall of the limit seat via a thread, the outer wall of the threaded rod is connected to a fixed seat via a bearing, and one side of the fixed seat is fixedly connected to the inner wall of the lifting device body via a bolt.
[0012] By adopting the above technical solution, the rotation of the first bevel gear can drive the two limit seats to move closer to or away from each other in the horizontal direction through mechanical transmission.
[0013] Preferably, the rotating rod passes through the bottom of the rotating column, and an extrusion seat is welded to the bottom end of the rotating rod, and the extrusion seat is located above the supporting plate, and the top end of the supporting plate is inclined.
[0014] By adopting the above technical solution, when the extrusion seat moves downward, the two support plates can be squeezed to move away from each other in the horizontal direction, thereby moving the support plates out of the interior of the lifting device body.
[0015] Preferably, a slide rail is fixed to the bottom end of the inner wall of the lifting device body by bolts, the slide rail is sleeved on the outer wall of the support plate, and the slide rail matches the moving track of the support plate.
[0016] By adopting the above technical solution, the slide rail is used to support the pallet, and the slide rail is used to ensure the stability of the horizontal movement of the pallet.
[0017] Preferably, one end of the support plate is fixedly connected to a spring, and the other end of the spring is fixedly connected to the inner wall of the lifting device body.
[0018] By adopting the above technical solution, the spring is used to provide a restoring force in the horizontal direction of the support plate, so as to facilitate the movement of the support plate toward the inside of the lifting device body.
[0019] Compared with the prior art, the beneficial effects of the utility model are:
[0020] By setting a limit mechanism; by setting two limit seats, the two limit seats move away from each other and contact and squeeze with the inner wall of the well to be lifted, so that the lifting device body and the well are engaged, and the external device moves the lifting device body to achieve the effect of lifting the well. At the same time, after a certain distance in the well, the support plate moves horizontally to the bottom of the well, and the bottom of the well is supported by the support plate to avoid the well slipping during the lifting process, thereby further ensuring the safety and integrity of the well lifting process. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1 It is a schematic diagram of the structure of the utility model;
[0022] Figure 2 This is a schematic diagram of the internal structure of the lifting device of the utility model;
[0023] Figure 3 For the utility model Figure 2 A is an enlarged structural diagram;
[0024] Figure 4 For the utility model Figure 2 The enlarged structural diagram at B in FIG.
[0025] Figure 5 It is a schematic diagram of the internal structure of the rotating column of the utility model.
[0026] In the figure: 1. lifting device body; 2. electric telescopic rod; 201. moving frame; 3. limiting mechanism; 301. driving motor; 302. rotating rod; 3021. extrusion seat; 3022. protrusion; 303. rotating column; 3031. moving groove; 304. first bevel gear; 305. second bevel gear; 306. threaded rod; 3061. fixed seat; 307. limiting seat; 308. support plate; 3081. slide rail; 309. spring. DETAILED DESCRIPTION
[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0028] The following is combined with Figure 1-Figure 5 The utility model is described in further detail.
[0029] See also Figure 1-Figure 5 The utility model provides an embodiment of a concrete shaft lifting device: a concrete shaft lifting device, comprising a lifting device body 1, the lifting device body 1 is used for lifting the concrete shaft; an electric telescopic rod 2, the electric telescopic rod 2 is arranged at the top of the lifting device body 1, and the output end of the electric telescopic rod 2 is connected to a moving frame 201 through a coupling; a limiting mechanism 3, the limiting mechanism 3 is arranged on the outer wall of the lifting device body 1, and the limiting mechanism 3 extends to the inside of the lifting device body 1, the limiting mechanism 3 is used to resist the inner wall of the shaft, thereby facilitating the lifting device body 1 to perform a lifting operation on the shaft, the limiting mechanism 3 includes a limiting seat 307 sleeved inside the lifting device body 1, one end of the limiting seat 307 extends to the outside of the lifting device body 1, and the lifting device body 1 is sleeved with a support plate 308, the support plate 308 is located below the limiting seat 307, the limiting seat 307 is used to resist the inner wall of the shaft, and the support plate 308 is used to support the bottom end of the shaft.
[0030] It can be further explained that, through the setting of two limit seats 307, the two limit seats 307 move away from each other and contact and squeeze the inner wall of the well to be lifted, so that the lifting device body 1 and the well are engaged, and the external device moves the lifting device body 1 to achieve the effect of lifting the well.
[0031] See also Figure 2-Figure 5The limiting mechanism 3 also includes a driving motor 301 fixed to the inside of the moving frame 201 by bolts, the output end of the driving motor 301 is connected to a rotating rod 302 through a coupling, the rotating rod 302 extends to the bottom of the moving frame 201, the outer wall of the rotating rod 302 is sleeved with a rotating column 303, the rotating column 303 is rotatably connected to the inner wall of the lifting device body 1 through a bearing, and the output end of the driving motor 301 can drive the rotating column 303 to rotate through mechanical transmission; a convex block 3022 is welded on the outer wall of the rotating rod 302, and a moving groove 3031 is opened on the inner wall of the rotating column 303, and the moving groove 3031 matches the moving trajectory of the convex block 3022. Through the setting of the moving groove 3031 and the convex block 3022, it is convenient for the rotating rod 302 to rotate to drive the convex block 3022 to rotate. 3022 rotates, and the rotation of the protrusion 3022 can squeeze and drive the movable groove 3031 to rotate, thereby driving the rotating column 303 to rotate; a first bevel gear 304 is welded to the outer wall of the rotating column 303, and the second bevel gears 305 are meshed at both ends of the first bevel gear 304. A threaded rod 306 is welded to one end of the second bevel gear 305. The outer wall of the threaded rod 306 is connected to the inner wall of the limit seat 307 through a thread, and the thread directions of the two threaded rods 306 are opposite. The outer wall of the threaded rod 306 is connected to the fixed seat 3061 through a bearing, and one side of the fixed seat 3061 is fixedly connected to the inner wall of the lifting device body 1 through a bolt. The rotation of the first bevel gear 304 can drive the two limit seats 307 to move closer to or away from each other in the horizontal direction through mechanical transmission.
[0032] It can be further explained that the rotation of the output end of the driving motor 301 drives the rotating rod 302 to rotate, the rotation of the rotating rod 302 drives the protrusion 3022 to rotate, the protrusion 3022 rotates and squeezes the movable groove 3031, and then drives the movable groove 3031 and the rotating column 303 to rotate, the rotation of the rotating column 303 drives the first bevel gear 304 to rotate, the rotation of the first bevel gear 304 drives the two second bevel gears 305 to rotate, the rotation of the second bevel gear 305 drives the threaded rod 306 to rotate, because the outer walls of the two threaded rods 306 have opposite threads, when the threaded rod 306 rotates, the two limit seats 307 move away from each other, and the limit seats 307 move toward the outside of the lifting device body 1, the limit seats 307 move and fit tightly with and squeeze the inner wall of the wellbore, and then the lifting device body 1 can lift the wellbore when it moves upward.
[0033] See also Figure 2 , Figure 5The rotating rod 302 passes through the bottom of the rotating column 303, and the bottom end of the rotating rod 302 is welded with an extrusion seat 3021, which is located above the support plate 308. The top of the support plate 308 is in an inclined shape. When the extrusion seat 3021 moves downward, the two support plates 308 can be squeezed to move away from each other in the horizontal direction, thereby moving the support plates 308 out of the interior of the lifting device body 1; the bottom end of the inner wall of the lifting device body 1 is fixed with a slide rail 3081 by bolts, and the slide rail 3081 is set On the outer wall of the pallet 308, and the slide rail 3081 matches the moving trajectory of the pallet 308, the slide rail 3081 is used to support the pallet 308, and the slide rail 3081 is used to ensure the stability of the horizontal movement of the pallet 308; one end of the pallet 308 is fixedly connected with a spring 309, and the other end of the spring 309 is fixedly connected to the inner wall of the lifting device body 1, and the spring 309 is used to provide a horizontal reset force for the pallet 308, so as to facilitate the movement of the pallet 308 toward the inside of the lifting device body 1.
[0034] It can be further explained that the output end of the electric telescopic rod 2 moves downward and drives the moving frame 201 to move, the movement of the moving frame 201 drives the driving motor 301 to move downward, the movement of the driving motor 301 drives the rotating rod 302 to move, the movement of the rotating rod 302 drives the extrusion seat 3021 to move, the extrusion seat 3021 moves and squeezes the top inclined surface of the support plate 308, thereby driving the two support plates 308 to move away from each other, the spring 309 is squeezed by force, and the support plate 308 moves and contacts the bottom end of the wellbore.
[0035] Working principle: when in use, first send the lifting device body 1 as a whole into the wellbore to be lifted, and then the user controls the driving motor 301 to work, the output end of the driving motor 301 rotates to drive the rotating rod 302 to rotate, the rotating rod 302 rotates to drive the protrusion 3022 to rotate, the protrusion 3022 rotates and squeezes the moving groove 3031, and then drives the moving groove 3031 and the rotating column 303 to rotate, the rotating column 303 rotates to drive the first bevel gear 304 to rotate, the first bevel gear 304 rotates to drive the two second bevel gears 305 to rotate, the second bevel gear 305 rotates to drive the threaded rod 306 to rotate, because the outer walls of the two threaded rods 306 have opposite threads, when the threaded rod 306 rotates, the two limit seats 307 move away from each other, and the limit seat 307 moves toward the outside of the lifting device body 1, the limit seat 307 moves and is tightly attached to and squeezed with the inner wall of the wellbore, and then the lifting device body 1 moves upward to lift the wellbore;
[0036] Secondly, after the shaft moves upward for a certain distance, the user controls the electric telescopic rod 2 to work, the output end of the electric telescopic rod 2 moves downward and drives the moving frame 201 to move, the moving frame 201 drives the driving motor 301 to move downward, the driving motor 301 drives the rotating rod 302 to move, the rotating rod 302 drives the squeezing seat 3021 to move, the squeezing seat 3021 moves and squeezes the top inclined surface of the supporting plate 308, thereby driving the two supporting plates 308 to move away from each other, the spring 309 is squeezed by force, the supporting plate 308 moves and contacts the bottom end of the shaft;
[0037] Finally, through the setting of two limit seats 307, the two limit seats 307 move away from each other and contact and squeeze with the inner wall of the well to be lifted, so that the lifting device body 1 is engaged with the well, and the external device moves the lifting device body 1 to achieve the effect of lifting the well. At the same time, after a certain distance in the well, the support plate 308 moves horizontally to the bottom of the well, and the bottom of the well is supported by the support plate 308 to prevent the well from slipping during the lifting process, thereby further ensuring the safety and integrity of the well lifting process.
[0038] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.
Claims
1. A concrete shaft lifting device, characterized in that: include: A lifting device body (1); An electric telescopic rod (2), the electric telescopic rod (2) being arranged at the top end of the lifting device body (1), and the output end of the electric telescopic rod (2) being connected to a moving frame (201) via a coupling; A limiting mechanism (3), wherein the limiting mechanism (3) is arranged on the outer wall of the lifting device body (1), and the limiting mechanism (3) extends to the interior of the lifting device body (1), the limiting mechanism (3) comprises a limiting seat (307) sleeved inside the lifting device body (1), one end of the limiting seat (307) extends to the outside of the lifting device body (1), and a support plate (308) is sleeved inside the lifting device body (1), and the support plate (308) is located below the limiting seat (307).
2. A concrete shaft lifting device according to claim 1, characterized in that: The limiting mechanism (3) also includes a driving motor (301) fixed to the inside of the moving frame (201) by bolts, the output end of the driving motor (301) is connected to a rotating rod (302) via a coupling, the rotating rod (302) penetrates to the bottom of the moving frame (201), the outer wall of the rotating rod (302) is sleeved with a rotating column (303), and the rotating column (303) is rotatably connected to the inner wall of the lifting device body (1) via a bearing.
3. A concrete shaft lifting device according to claim 2, characterized in that: A protrusion (3022) is welded on the outer wall of the rotating rod (302), and a moving groove (3031) is opened on the inner wall of the rotating column (303), and the moving groove (3031) matches the moving track of the protrusion (3022).
4. A concrete shaft lifting device according to claim 2, characterized in that: A first bevel gear (304) is welded to the outer wall of the rotating column (303), and second bevel gears (305) are meshed at both ends of the first bevel gear (304). A threaded rod (306) is welded to one end of the second bevel gear (305), and the outer wall of the threaded rod (306) is connected to the inner wall of the limiting seat (307) via a thread, and the outer wall of the threaded rod (306) is connected to a fixed seat (3061) via a bearing, and one side of the fixed seat (3061) is fixedly connected to the inner wall of the lifting device body (1) via a bolt.
5. A concrete shaft lifting device according to claim 2, characterized in that: The rotating rod (302) passes through the bottom of the rotating column (303), and a pressing seat (3021) is welded to the bottom end of the rotating rod (302). The pressing seat (3021) is located above the supporting plate (308), and the top end of the supporting plate (308) is inclined.
6. A concrete shaft lifting device according to claim 1, characterized in that: A slide rail (3081) is fixed to the bottom end of the inner wall of the lifting device body (1) by bolts, and the slide rail (3081) is sleeved on the outer wall of the support plate (308), and the movement trajectory of the slide rail (3081) matches that of the support plate (308).
7. A concrete shaft lifting device according to claim 1, characterized in that: One end of the support plate (308) is fixedly connected to a spring (309), and the other end of the spring (309) is fixedly connected to the inner wall of the lifting device body (1).