Lifting device for deep foundation pit operation
By designing a lifting device for deep foundation pit operations, including a motor-driven wire wrapping roller and locking mechanism, the problem of traditional devices tilting in strong winds is solved, and safe and efficient transportation is achieved.
Patent Information
- Application Number
- CN202420186880.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-25
- Publication Date
- 2025-04-22
- Estimated Expiration
- 2034-01-25
AI Technical Summary
In deep foundation pit operations, traditional lifting devices can easily cause the lifting plate to tilt and material dropping in strong winds, affecting the safety and efficiency of staff.
A lifting device including a base, a lifting box, a roof and a locking mechanism is designed. The motor drives the rotating rod to drive the wire wrapping roller, and wraps the first connecting rope to achieve a height increase of the lift box. The locking mechanism ensures the locking and safety of the door through the fitting of the insertion rod and the spring.
The device avoids the lift box rolling over through the skateboard limit mechanism, which improves the safety and efficiency of material transportation and enhances practicality.
Smart Images
Figure CN222781255U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of lifting devices, in particular to a lifting device used for deep foundation pit operations. Background Art
[0002] Deep foundation pit refers to an excavation depth of more than 5 meters (including 5 meters) or more than three basement floors (including three floors), or a project with a depth of less than 5 meters but with particularly complex geological conditions, surrounding environment and underground pipelines. It is a pit excavated at the foundation design location according to the base elevation and foundation plane size. A large amount of equipment and materials are usually transported during operations inside the deep foundation pit. At present, during most deep foundation pit operations, the items in the deep foundation pit are inconvenient to transport due to the large depth of the foundation pit. The traditional method is mainly to use large cranes to lift the items and equipment in the deep foundation pit, which is time-consuming and labor-intensive.
[0003] However, it was found during use of the existing technical solutions that the current lifting device generally raises the lifting plate by winding up multiple steel ropes, and the lifting plate is a plane. When encountering strong winds, the lifting plate carrying the rising materials will tilt, causing the materials to fall, affecting the personal safety of the workers in the foundation pit, reducing work efficiency, and thus resulting in poor practicality. Utility Model Content
[0004] 1. Technical issues to be resolved
[0005] In order to solve the above technical problems, the utility model provides a lifting device for deep foundation pit operations which is convenient for protection, improves work efficiency and enhances practicality.
[0006] (II) Technical solution
[0007] To achieve the above-mentioned purpose, the present application provides the following technical solutions: a lifting device for deep foundation pit operation, comprising a base, the lifting mechanism comprising a lifting box and a top plate, two support plates are fixedly installed on the top of the base, a lifting slot is opened on the top of the lifting box, slide plates are fixedly installed at both ends of the lifting box, first slide slots are opened at the inner ends of the two support plates, the two slide plates are slidably connected with the two first slide slots respectively, the front end of the lifting slot is connected and an in-and-out slot is opened, a switch door is hinged on the in-and-out slot, both sides of the bottom end of the top plate are respectively fixedly connected with the top ends of the two support plates, a motor is fixedly installed on the top end of the top plate, two fixed plates are fixedly installed on the top end of the top plate, a rotating rod penetrating the other fixed plate is rotatably installed on one of the fixed plates, the rotating rod is fixedly connected to the output end of the motor, a winding roller is fixedly installed on the rotating rod, a first connecting rope is wound on the winding roller, a first through hole is opened on the top plate, the output end of the first connecting rope passes through the first through hole, four second connecting ropes are installed on the top of the lifting box, the top ends of the four second connecting ropes are connected with the output end of the first connecting rope, and the locking mechanism is installed on the switch door for locking the switch door.
[0008] By adopting the above technical scheme, the limit of the switch door by the locking mechanism is released, the material is placed in the lifting box, and then the switch door is locked, the motor is started, the motor drives the rotating rod to rotate, the rotating rod drives the winding roller to rotate, the first connecting rope is wound around the winding roller, so that the height of the lifting box rises, and after reaching the ground, the limit of the switch door by the locking mechanism is released, and the material is taken out. During the movement of the lifting box, the slide plate will limit it to prevent it from tipping over. This process realizes a process that is easy to protect, improves work efficiency, and thus enhances practicality.
[0009] Preferably, the locking mechanism includes an insert rod, a second slide groove is provided on the inner wall on one side of the entry and exit groove, the insert rod is slidably connected to the second slide groove, one end of the insert rod is connected to the inner wall on one side of the second slide groove by a spring, one end of the insert rod is arranged into an arc structure, a third slide groove is provided on one end of the switch door, a push rod is slidably installed in the third slide groove, a fourth slide groove is provided at one end of the third slide groove, a push rod is fixedly installed at one end of the push rod, and the push rod passes through the fourth slide groove.
[0010] By adopting the above technical solution, the push rod is pushed to the right, and the push rod drives the push rod to push the insertion rod out of the fourth sliding groove, and then the switch door can be opened. When closing, the switch door is directly rotated and pushed back into the entry and exit groove. After the switch door contacts the arc structure on the insertion rod, the insertion rod will be pushed back into the third sliding groove. When the fourth sliding groove on the switch door moves to the insertion rod, the insertion rod slides and engages with the third sliding groove under the elastic force of the spring, thereby locking the switch door, thereby enhancing practicality.
[0011] Preferably, a handle is fixedly mounted on the switch door.
[0012] By adopting the above technical solution, the door can be conveniently opened and closed by holding the handle, thereby enhancing the convenience of use.
[0013] Preferably, a protective cover is fixedly mounted on the top of the top plate, and the motor is located inside the protective cover.
[0014] By adopting the above technical solution, the protective cover can protect the motor from external influences when it is working, thereby enhancing safety.
[0015] Furthermore, a protective pad is fixedly installed on the top of the base.
[0016] By adopting the above technical solution, the protective pad can prevent the lifting box from directly contacting the base, thereby enhancing practicality.
[0017] Furthermore, rollers are fixedly mounted on the outer ends of the two skateboards.
[0018] By adopting the above technical solution, the roller can prevent the skateboard from directly contacting the side wall of the first slide groove, thereby reducing friction and enhancing practicality.
[0019] (III) Beneficial effects
[0020] Compared with the prior art, the present application provides a lifting device for deep foundation pit operations, which has the following beneficial effects:
[0021] The limit of the lock mechanism on the switch door is released, the material is placed in the lifting box, and then the switch door is locked, the motor is started, the motor drives the rotating rod to rotate, the rotating rod drives the winding roller to rotate, the first connecting rope is wound around the winding roller, so that the height of the lifting box rises, and after reaching the ground, the limit of the lock mechanism on the switch door is released, and the material is taken out. During the movement of the lifting box, the slide plate will limit it to prevent it from tipping over. This process realizes a process that is easy to protect, improves work efficiency, and thus enhances practicality. BRIEF DESCRIPTION OF THE DRAWINGS
[0022] Figure 1 It is a schematic diagram of the cross-sectional structure of the utility model;
[0023] Figure 2 It is a front view structural diagram of the connection between the switch door and the lifting box of the utility model;
[0024] Figure 3 It is a front view structural diagram of the connection between the handle and the switch door of the utility model;
[0025] Figure 4 It is a top view structural schematic diagram of the connection between the ejector rod and the push rod of the utility model.
[0026] Markings in the attached drawings: 1. base; 2. lifting box; 3. top plate; 4. support plate; 5. slide plate; 6. door opening and closing; 7. motor; 8. fixed plate; 9. rotating rod; 10. winding roller; 11. first connecting rope; 12. second connecting rope; 13. insertion rod; 14. spring; 15. push rod; 16. push rod; 17. handle; 18. protective cover; 19. protective pad; 20. roller. DETAILED DESCRIPTION
[0027] Example
[0028] See also Figure 1-4A lifting device for deep foundation pit operation, wherein two support plates 4 are fixedly installed on the top of the base 1, a lifting slot is opened on the top of the lifting box 2, and slide plates 5 are fixedly installed on both ends of the lifting box 2, and the inner ends of the two support plates 4 are opened with a first slide slot, and the two slide plates 5 are respectively slidably connected with the two first slide slots, and the front end of the lifting slot is connected to open an inlet and outlet slot, and a switch door 6 is hinged on the inlet and outlet slot. A second slide slot is opened on the inner wall of one side of the inlet and outlet slot, and an insertion rod 13 is slidably connected with the second slide slot. One end of the insertion rod 13 is connected to the inner wall of one side of the second slide slot by a spring 14, and one end of the insertion rod 13 is set as an arc structure, and one end of the switch door 6 is opened There is a third slide groove, in which a push rod 15 is slidably installed, a fourth slide groove is opened at one end of the third slide groove, a push rod 16 is fixedly installed at one end of the push rod 15, the push rod 16 passes through the fourth slide groove, and pushes the push rod 16 to the right, and the push rod 16 drives the push rod 15 to push the plug rod 13 out of the fourth slide groove, and then the switch door 6 is opened, the material is put into the lifting box 2, and the switch door 6 is directly rotated and pushed back to the in-and-out slot. After the switch door 6 contacts the arc structure on the plug rod 13, the plug rod 13 will be pushed back to the third slide groove. When the fourth slide groove on the switch door 6 moves to the plug rod 13, the plug rod 13 is in contact with the fourth slide groove under the elastic force of the spring 14. The three slide grooves are slidably mounted to lock the switch door 6. The two sides of the bottom end of the top plate 3 are fixedly connected to the top ends of the two support plates 4 respectively. A motor 7 is fixedly installed on the top end of the top plate 3. Two fixed plates 8 are fixedly installed on the top end of the top plate 3. A rotating rod 9 that passes through the other fixed plate 8 is rotatably installed on one of the fixed plates 8. The rotating rod 9 is fixedly connected to the output end of the motor 7. A winding roller 10 is fixedly installed on the rotating rod 9. A first connecting rope 11 is wound around the winding roller 10. A first through hole is opened on the top end of the top plate 3. The output end of the first connecting rope 11 passes through the first through hole. Four second connecting ropes 12 are installed on the top of the lifting box 2. The top ends of the second connecting ropes 12 are connected to the output ends of the first connecting ropes 11, the motor 7 is started, the motor 7 drives the rotating rod 9 to rotate, the rotating rod 9 drives the winding roller 10 to rotate, the first connecting rope 11 is wound around the winding roller 10, so that the height of the lifting box 2 rises, and after reaching the ground, the push rod 16 is pushed to the right, the push rod 16 drives the push rod 15 to push the insertion rod 13 out of the fourth slide groove, and then the switch door 6 is opened to take out the materials. During the movement of the lifting box 2, the slide plate 5 will limit it to prevent it from tipping over. This process realizes a process that is easy to protect, improves work efficiency, and thus enhances practicality.
[0029] See also Figure 3 A handle 17 is fixedly mounted on the switch door 6, and the switch door 6 can be conveniently opened by holding the handle 17, thereby enhancing the convenience of use.
[0030] See also Figure 1-3 A protective cover 18 is fixedly installed on the top of the top plate 3, and the motor 7 is located in the protective cover 18. The protective cover 18 can protect the motor 7 from external influences when working, thereby enhancing safety.
[0031] See also Figure 1-3 A protective pad 19 is fixedly installed on the top of the base 1, and the protective pad 19 can prevent the lifting box 2 from directly contacting the base 1, thereby enhancing practicality.
[0032] See also Figure 1 and Figure 4 The outer ends of the two slide plates 5 are fixedly mounted with rollers 20, and the rollers 20 can prevent the slide plates 5 from directly contacting the side walls of the first slide groove, thereby reducing friction and enhancing practicality.
[0033] The utility model is a lifting device for deep foundation pit operations. When working, the push rod 16 is pushed to the right, and the push rod 16 drives the push rod 15 to push the plug rod 13 out of the fourth slide slot, and then the switch door 6 is opened, and the material is put into the lifting box 2, and the switch door 6 is directly rotated and pushed back into the inlet and outlet slot. After the switch door 6 contacts the arc structure on the plug rod 13, the plug rod 13 will be pushed back to the third slide slot. When the fourth slide slot on the switch door 6 moves to the plug rod 13, the plug rod 13 is slidably engaged with the third slide slot under the elastic force of the spring 14, thereby locking the switch door 6 and starting the motor 7. This motor 7 is a well-known device for technicians in this field who can be directly purchased on the market. Here we just use it and No structural and functional improvements have been made to it, and we will not go into details here. The motor 7 is provided with a control switch matching it. The installation position of the control switch is selected according to actual use requirements to facilitate the operator to operate and control. The motor 7 drives the rotating rod 9 to rotate, and the rotating rod 9 drives the winding roller 10 to rotate. The first connecting rope 11 is wound around the winding roller 10 to raise the height of the lifting box 2. After reaching the ground, the push rod 16 is pushed to the right, and the push rod 16 drives the push rod 15 to push the insertion rod 13 out of the fourth slide groove, and then the switch door 6 is opened to take out the material. During the movement of the lifting box 2, the slide plate 5 will limit it to prevent it from tipping over. This process realizes a process that is easy to protect.
Claims
1. A lifting device for deep foundation pit operations, comprising a base (1), characterized in that , also includes: A lifting mechanism, the lifting mechanism comprising a lifting box (2) and a top plate (3), two support plates (4) are fixedly installed on the top of the base (1), a lifting slot is provided on the top of the lifting box (2), slide plates (5) are fixedly installed at both ends of the lifting box (2), first slide slots are provided at the inner ends of the two support plates (4), the two slide plates (5) are respectively slidably connected to the two first slide slots, an inlet and outlet slot is provided at the front end of the lifting slot, a switch door (6) is hinged on the inlet and outlet slot, both sides of the bottom end of the top plate (3) are respectively fixedly connected to the tops of the two support plates (4), a motor (7) is fixedly installed on the top of the top plate (3), and the top plate (3) Two fixed plates (8) are fixedly installed at the top, a rotating rod (9) penetrating the other fixed plate (8) is rotatably installed on one of the fixed plates (8), the rotating rod (9) is fixedly connected to the output end of the motor (7), a winding roller (10) is fixedly installed on the rotating rod (9), a first connecting rope (11) is wound around the winding roller (10), a first through hole is provided at the top of the top plate (3), the output end of the first connecting rope (11) passes through the first through hole, four second connecting ropes (12) are installed at the top of the lifting box (2), the top ends of the four second connecting ropes (12) are all connected to the output end of the first connecting rope (11); A locking mechanism is installed on the switch door (6) and is used to lock the switch door (6).
2. A lifting device for deep foundation pit operation according to claim 1, characterized in that: The locking mechanism comprises an insert rod (13), a second slide groove is provided on the inner wall of one side of the entry and exit groove, the insert rod (13) is slidably connected to the second slide groove, one end of the insert rod (13) is connected to the inner wall of one side of the second slide groove through a spring (14), one end of the insert rod (13) is arranged in an arc structure, one end of the switch door (6) is provided with a third slide groove, a push rod (15) is slidably installed in the third slide groove, one end of the third slide groove is provided with a fourth slide groove, one end of the push rod (15) is fixedly installed with a push rod (16), and the push rod (16) passes through the fourth slide groove.
3. A lifting device for deep foundation pit operation according to claim 1, characterized in that: A handle (17) is fixedly mounted on the switch door (6).
4. A lifting device for deep foundation pit operation according to claim 1, characterized in that: A protective cover (18) is fixedly mounted on the top of the top plate (3), and the motor (7) is located inside the protective cover (18).
5. A lifting device for deep foundation pit operation according to claim 1, characterized in that: A protective pad (19) is fixedly mounted on the top of the base (1).
6. A lifting device for deep foundation pit operation according to claim 1, characterized in that: Rollers (20) are fixedly mounted on the outer ends of the two slide plates (5).