CN220264974U

CN220264974U - Foundation pit clearing and transporting lifting frame

Info

Publication number: CN220264974U
Application number: CN202321342859.1U
Authority: CN
Inventors: 陈波
Original assignee: Sanyuan New Materials Technology Shenzhen Co ltd
Current assignee: Sanyuan New Materials Technology Shenzhen Co ltd
Priority date: 2023-05-30
Filing date: 2023-05-30
Publication date: 2023-12-29
Anticipated expiration: 2033-05-30

Abstract

The utility model discloses a foundation pit clearing and transporting lifting frame, which belongs to the technical field of foundation pit clearing and transporting, and comprises a lifting roller and lifting frames rotatably arranged at two ends of the lifting roller, wherein a pull rope is detachably wound on the lifting roller, mounting holes are formed in the side wall of the lifting roller, a hook is fixedly connected to the bottom end of the pull rope, positioning holes corresponding to the mounting holes are formed in the side wall of the lifting frame in an annular array, a motor is fixedly arranged on the outer wall of the lifting frame, a crankshaft of the motor stretches into the lifting frame to be fixedly connected with the lifting roller, an electromagnetic plate is fixedly connected to the inner wall of the mounting hole, a spring is embedded in the mounting hole, a positioning rod clamped with the positioning hole is elastically inserted into the mounting hole through the spring, a magnetic suction rod is fixedly connected to the inner wall of the positioning rod, and the magnetic suction rod penetrates through the spring to be fixedly attracted with the electromagnetic plate.

Description

Foundation pit clearing and transporting lifting frame

Technical Field

The utility model belongs to the technical field of foundation pit clearing and transporting, and particularly relates to a foundation pit clearing and transporting lifting frame.

Background

When the railway overhead contact system is constructed, a foundation pit is required to be excavated, then an overhead contact system foundation is poured in the foundation pit, the overhead contact system is positioned beside a railway line, large-scale excavation cannot be performed when the foundation pit is excavated, the foundation pit is required to be excavated straight up and down as much as possible, the foundation pit is easy to excavate when the upper part of the foundation pit is excavated, when the lower half section is excavated, only one person can be needed to perform excavation work due to narrow space, the excavated dregs cannot be conveniently transported up, the construction efficiency is low, the period is long, and the construction progress of the overhead contact system is seriously influenced.

The patent of application number 202120665682.3 discloses a foundation ditch clearance hoisting frame, its structure includes the frame, be provided with horizontal pivot at the top of frame, be provided with the reel axle of together pivoted in the pivot, be provided with the side fender dish respectively at the both ends of reel axle, be provided with the integral key shaft in the frame, install in the frame through the bearing behind the integral key shaft in the one end of pivot, install the coordinated control dish on the integral key shaft, be splined connection between coordinated control dish and the integral key shaft, be provided with a plurality of spliced pole on the medial surface of coordinated control dish, it has the spliced eye to open on the side fender dish that is close to the coordinated control dish.

The rope winding shaft is fixed by inserting the plug-in column into the plug-in hole through the sliding linkage control board in the using process, however, due to the fact that the linkage control board lacks a positioning structure, the situation that the plug-in column is separated from the plug-in hole due to sliding of the linkage control board is caused, the rope winding shaft loses the axial control force, the situation that the heavy object falls off due to rotation caused by the influence of the heavy object is caused, and therefore the safety of the lifting frame in the using process is poor.

Disclosure of Invention

(1) Technical problem to be solved

Aiming at the defects of the prior art, the utility model aims to provide a foundation pit clearing and transporting lifting frame, which aims to solve the problems that in the prior art, false touch is easy to occur, a linkage control board slides to separate a splicing column from a splicing hole, so that an axial control force of a rope winding shaft is lost, and the situation that a heavy object falls off due to rotation is influenced by the heavy object, thereby causing poor safety of the lifting frame in the use process.

(2) Technical proposal

In order to solve the technical problems, the utility model provides a foundation pit clearing and transporting lifting frame, which comprises a lifting roller and lifting frames rotatably arranged at two ends of the lifting roller, wherein a pull rope is detachably wound on the lifting roller, mounting holes are formed in the side wall of the lifting roller, a hook is fixedly connected with the bottom end of the pull rope, positioning holes corresponding to the mounting holes are formed in the side wall of the lifting frame in an annular array, a motor is fixedly arranged on the outer wall of the lifting frame, a shaft of the motor extends into the lifting frame and is fixedly connected with the lifting roller, an electromagnetic plate is fixedly connected with the inner wall of the mounting hole, a spring is embedded in the mounting hole, a positioning rod clamped with the positioning hole is elastically inserted into the mounting hole through the spring, and a magnetic suction rod is fixedly connected with the inner wall of the positioning rod and penetrates through the spring and is fixedly attracted with the electromagnetic plate.

When the foundation pit clearing lifting frame is used, the mounting hole is formed in the side wall of the lifting roller, the electromagnetic plate is fixed on the inner wall of the mounting hole, the spring and the positioning rod are embedded in the mounting hole, the positioning rod is pushed to be inserted into the positioning hole in the side wall of the lifting frame through the elastic force of the spring, so that the lifting roller is axially positioned, meanwhile, the positioning rod is positioned through the elastic force of the spring, the positioning rod which is embedded cannot be mistakenly touched from the outside, the situation that the positioning rod falls off from the positioning hole is avoided, the electromagnetic plate is started to be attracted and fixed with the magnetic attraction rod on the positioning rod, the positioning rod is contracted into the mounting hole, the position of the positioning rod is convenient to adjust, and the rotating and fixed state of the lifting roller is controlled; the positioning rings are fixedly sleeved at the two ends of the lifting roller, and the positioning rings control the positions of the pull ropes wound on the lifting roller, so that dislocation of the pull ropes in the winding process is avoided, and meanwhile, the top ends of the pull ropes are inserted into connecting holes formed in the positioning rings through threads of the connecting parts, and the pull ropes are convenient to detach and replace through the connecting parts.

Preferably, the two ends of the lifting roller are fixedly sleeved with positioning rings, and the inner wall of each positioning ring is provided with a connecting hole.

Further, a connecting part is fixedly connected to the top end of the pull rope, and the connecting part is inserted into the connecting hole in a threaded manner.

Further, a handle is rotatably arranged on the side wall of the lifting frame, and the handle extends into the lifting frame to be fixedly connected with the lifting roller.

Furthermore, the bottom ends of the two lifting frames are provided with supporting seats, and the central position of the top end face of each supporting seat is provided with a telescopic groove for accommodating the lifting frame.

Furthermore, screw holes are formed in the side walls of the lifting frame at equal intervals, and the bottom ends of the lifting frame are connected in the telescopic grooves in an anastomotic manner.

Furthermore, a bolt is arranged at the top end of the side wall of the supporting seat, and the bolt penetrates through the supporting seat to be inserted into the screw hole in a threaded manner.

(3) Advantageous effects

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the mounting hole is formed in the side wall of the lifting roller, the electromagnetic plate is fixed on the inner wall of the mounting hole, the spring and the positioning rod are embedded in the mounting hole, the positioning rod is pushed to be inserted into the positioning hole in the side wall of the lifting frame by the elastic force of the spring, so that the lifting roller is axially positioned, meanwhile, the positioning rod is positioned by the elastic force of the spring, the positioning rod which is embedded cannot be mistakenly touched from the outside, the situation that the positioning rod falls off from the positioning hole is avoided, the electromagnetic plate is started to be attracted and fixed with the magnetic attraction rod on the positioning rod, the positioning rod is contracted into the mounting hole, the position of the positioning rod is convenient to be adjusted, and the rotating and fixed state of the lifting roller is controlled.

2. The positioning rings are fixedly sleeved at the two ends of the lifting roller, and the positioning rings control the positions of the pull ropes wound on the lifting roller, so that dislocation of the pull ropes in the winding process is avoided, and meanwhile, the top ends of the pull ropes are inserted into connecting holes formed in the positioning rings through threads of the connecting parts, and the pull ropes are convenient to detach and replace through the connecting parts.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of a lift roller structure according to the present utility model;

FIG. 3 is a schematic view of a support base of the present utility model;

fig. 4 is a schematic view of a detaching structure of a lifting roller according to the present utility model.

The marks in the drawings are: 1. a lifting roller; 2. a hook; 3. a support base; 4. a lifting frame; 5. a handle; 6. a positioning ring; 7. a pull rope; 8. a motor; 9. a connection hole; 10. a connection part; 11. a bolt; 12. a telescopic slot; 13. a screw hole; 14. a positioning rod; 15. positioning holes; 16. a magnetic suction rod; 17. a mounting hole; 18. a spring; 19. an electromagnetic plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

This embodiment is a foundation ditch clearance hoisting frame, its structure schematic diagram is as shown in fig. 1, this foundation ditch clearance hoisting frame includes hoisting roller 1 and rotates the crane 4 that sets up in hoisting roller 1 both ends, detachable winding has stay cord 7 on the hoisting roller 1, and the mounting hole 17 has been seted up to the lateral wall of hoisting roller 1, the bottom fixedly connected with couple 2 of stay cord 7, the locating hole 15 that corresponds with mounting hole 17 has been seted up to the lateral wall of crane 4 in annular array, and the outer wall fixed mounting of crane 4 has motor 8, the spindle of motor 8 stretches into crane 4 and hoisting roller 1 fixed connection, the inner wall fixedly connected with electromagnetic plate 19 of mounting hole 17, and the embedded spring 18 that is provided with in mounting hole 17, and through spring 18 elasticity grafting have with the locating lever 14 of locating hole 15 joint, the inner wall fixedly connected with magnetic attraction pole 16 of locating lever 14, magnetic attraction pole 16 passes spring 18 and electromagnetic plate 19 actuation is fixed, the elasticity through spring 18 promotes the locating lever 14 grafting in the locating hole 15 of crane 4 lateral wall, thereby make hoisting roller 1 keep axial location, simultaneously the setting up the locating lever 14 of spring 18 and carrying out the setting up from the outside the locating lever 14 of locating method, the condition that has avoided the locating lever 14 to drop out from the outside.

Wherein, the both ends of lifting roller 1 have all fixedly sleeved with holding ring 6, holding ring 6 is controlled the position of stay cord 7 winding on lifting roller 1, thereby avoided the condition that the dislocation appears in stay cord 7 at winding in-process, connecting hole 9 has been seted up to the inner wall of holding ring 6, the top fixedly connected with connecting portion 10 of stay cord 7, connecting portion 10 screw thread grafting is in connecting hole 9, the connecting hole 9 of seting up on holding ring 6 is passed through to stay cord 7 top, dismantle and change stay cord 7 after unscrewing screw thread portion, handle 5 is installed in the lateral wall rotation of crane 4, handle 5 stretches into crane 4 and lifting roller 1 fixed connection, handle 5 is at in-service use's in-process, drive lifting roller 1 through handle 5 after closing motor 8 and rotate, and make locating lever 14 correspond with locating hole 15 on the crane 4 at rotatory in-process.

In addition, the bottom of two lifting frames 4 all is provided with supporting seat 3, the top face central point department of supporting seat 3 has seted up the expansion groove 12 that is used for holding lifting frame 4, screw 13 has been seted up to the lateral wall equidistance of lifting frame 4, and the bottom of lifting frame 4 coincide and peg graft in expansion groove 12, bolt 11 is installed on the lateral wall top of supporting seat 3, bolt 11 passes supporting seat 3 screw thread and peg graft in screw 13, lifting frame 4 slides in the expansion groove 12 on supporting seat 3 top to adjust the height of lifting roller 1, and then be applicable to the promotion of different size article, bolt 11 screw thread peg graft in the screw 13 of the different positions of lifting frame 4 lateral wall makes lifting frame 4 keep fixed in supporting seat 3 with different heights.

The lifting roller 1 of the foundation pit clearing lifting frame is shown in a structural schematic view in fig. 2, the supporting seat 3 is shown in a split structural schematic view in fig. 3, and the lifting roller 1 is shown in a split structural schematic view in fig. 4.

Working principle: the connecting part 10 at one end of the pull rope 7 is inserted into the connecting hole 9 on the side wall of the positioning ring 6 in a threaded manner, the electromagnetic plate 19 and the motor 8 are started, the electromagnetic plate 19 is in attraction and fixation with the magnetic attraction rod 16 on the positioning rod 14, so that the positioning rod 14 is contracted into the mounting hole 17, the motor 8 drives the lifting roller 1 to synchronously rotate in the rotating process, the motor 8 is enabled to positively rotate through adjusting the current direction, the pull rope 7 and the hook 2 are driven to lift in the positive and negative rotating process to clear a foundation pit, when an object moves between the two supporting seats 3 along with the pull rope 7, the motor 8 is closed, the handle 5 is held to drive the lifting roller 1 to rotate simultaneously, the positioning rod 14 corresponds to the positioning hole 15 on the lifting frame 4 in the rotating process, and the elastic force of the spring 18 pushes the positioning rod 14 to be inserted into the positioning hole 15 on the side wall of the lifting frame 4, so that the lifting roller 1 is kept axially positioned.

All technical features in the embodiment can be freely combined according to actual needs.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. This foundation ditch clearance hoisting frame, this foundation ditch clearance hoisting frame includes lifting roller (1) and rotates crane (4) that set up at lifting roller (1) both ends, a serial communication port, detachable winding has stay cord (7) on lifting roller (1), and installs hole (17) in the lateral wall of lifting roller (1), the bottom fixedly connected with couple (2) of stay cord (7), locating hole (15) that correspond with mounting hole (17) are seted up to the lateral wall of crane (4) to annular array, and the outer wall fixed mounting of crane (4) has motor (8), the spindle of motor (8) stretches into crane (4) and lifting roller (1) fixed connection, the inner wall fixedly connected with electromagnetic plate (19) of mounting hole (17), and embedded being provided with spring (18) in mounting hole (17) to through spring (18) elasticity grafting have with locating lever (14) of locating hole (15) joint, the inner wall fixedly connected with magnetism sucker (16) of locating lever (14), magnetism sucker (16) pass fixed knot with electromagnetic plate (19) and fix with electromagnetic plate (19).

2. The foundation pit clearing and transporting lifting frame according to claim 1, wherein positioning rings (6) are fixedly sleeved at two ends of the lifting roller (1), and connecting holes (9) are formed in the inner wall of each positioning ring (6).

3. The foundation pit clearing and lifting frame according to claim 2, wherein a connecting part (10) is fixedly connected to the top end of the pull rope (7), and the connecting part (10) is in threaded connection with the connecting hole (9).

4. A pit cleaning and lifting frame according to claim 1, characterized in that the side wall of the lifting frame (4) is rotatably provided with a handle (5), and the handle (5) extends into the lifting frame (4) to be fixedly connected with the lifting roller (1).

5. The foundation pit clearing and transporting lifting frame according to claim 4, wherein supporting seats (3) are arranged at the bottom ends of the two lifting frames (4), and a telescopic groove (12) for accommodating the lifting frames (4) is formed in the center position of the top end face of each supporting seat (3).

6. The foundation pit clearing and transporting lifting frame according to claim 5, wherein screw holes (13) are formed in the side wall of the lifting frame (4) at equal intervals, and the bottom end of the lifting frame (4) is connected in the telescopic groove (12) in an anastomotic manner.

7. The foundation pit clearing and lifting frame according to claim 6, wherein a bolt (11) is mounted at the top end of the side wall of the supporting seat (3), and the bolt (11) penetrates through the supporting seat (3) to be inserted into the screw hole (13) in a threaded mode.