CN220684629U - Lifting device for road well lid - Google Patents

Abstract

The utility model discloses a road well lid lifting device which comprises a base plate, wherein a plurality of universal wheels are arranged at the bottom end of the base plate, a U-shaped fixing frame is arranged at the upper end of the base plate, lifting ports are formed in the base plate in a penetrating mode in the fixing frame, a U-shaped positioning frame is arranged at the upper end of the fixing frame, the bottom end of the positioning frame penetrates through the fixing frame and is provided with a bearing plate, mounting grooves are formed in the bearing plate in a penetrating mode, limiting plates are arranged on two sides of each mounting groove, rectangular grooves are formed in the bottom ends of the two limiting plates, and clamping plates are arranged on one sides of the two rectangular grooves. The lifting device is reasonable in structure, and the lifting device can drive the clamping plates on two sides to shrink when driving the manhole cover to move upwards to a certain position by penetrating the guide opening and the guide shaft which are arranged on the clamping plates and matching with the abutting rods on two sides, so that the manhole cover can be conveniently detached, and the lifting device has better lifting practicability on the manhole cover.

Description

Lifting device for road well lid

Technical Field

The utility model relates to the technical field of road well lid lifting, in particular to a road well lid lifting device.

Background

The manhole cover is made of cast iron or steel and is used for covering underground passages or facilities, has high strength and durability, can protect the underground passages or facilities, can prevent pedestrians or vehicles from entering mistakenly, and ensures the safety of the pedestrians and vehicles. Because the road well lid is often exposed to the outside, has received the influence of sun, drenches, multiple factors such as vehicle rolls, consequently needs road well lid hoisting device to dismantle it, carries out periodic inspection and maintenance to ensure its normal use and security.

The Chinese patent publication No. CN210214750U belongs to the technical field of well lid lifting devices, and particularly relates to a well lid lifting device for municipal roads, which comprises a trolley, wherein a bracket is fixedly arranged at the top of the trolley, a first through hole is formed in the bottom of the trolley, two groups of second through holes are symmetrically formed in opposite faces of the bracket, sliding rods are fixedly arranged in the two groups of second through holes, and sliding sleeves are slidably connected to the outer parts of the two groups of sliding rods; the inserting plate is taken in the groove, at the moment, the length between the connecting plate and the fixing block is smaller than the length of the well lid hole, then the connecting plate and the fixing block are inserted into the well lid hole through horizontal insertion or inclined angles, and as the pressure to the fixing block disappears, the spring can push the inserting plate to move until the sliding block is attached to the sliding groove through self elastic force, so that the inserting plate moves out of the groove, at the moment, the length between the connecting plate, the inserting plate and the fixing block is larger than the length of the well lid hole, the well lid is limited and fixed, well lid smashing is avoided, and potential safety hazards are reduced.

In the actual use process, the movable fixing blocks penetrate through the holes on the road well cover and are pushed to move by the springs to abut against the bottom of the road well cover, so that the effect of lifting the road well cover is achieved, but after the road well cover is lifted, the plurality of fixing blocks are difficult to recover into the connecting plate under the action of the plurality of springs, so that the road well cover is difficult to detach from the lifting device, and the lifting device lacks the practicability of lifting the road well cover.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides a lifting device for a road well lid, which has better practicability in lifting the road well lid.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a road well lid hoisting device, includes the bed plate, the bed plate bottom is equipped with a plurality of universal wheels, the bed plate upper end is equipped with the fixed frame that is "U" shape, is located fixed frame the bed plate runs through and is equipped with the promotion mouth, fixed frame upper end is equipped with the locating frame that is "U" shape, the locating frame bottom runs through fixed frame to be equipped with the loading board, the loading board runs through and is equipped with the mounting groove, the mounting groove both sides all are equipped with the limiting plate, two rectangular channel has all been seted up to the limiting plate bottom, two rectangular channel one side all is equipped with the joint board.

Preferably, the upper end of the fixed frame is provided with an air cylinder, and the output end of the air cylinder is arranged at the upper end of the positioning frame.

Preferably, a plurality of limit springs are arranged on one side of each clamping plate, and the other ends of the limit springs are respectively arranged on one sides of the two rectangular grooves.

Preferably, one side of each of the two clamping plates is obliquely arranged and extends to the outside through the two rectangular grooves.

Preferably, two the joint board all runs through and is equipped with inclined guiding mouth, run through in the guiding mouth and be equipped with the guiding axle of looks adaptation, guiding axle both ends all extend to outside to be equipped with and support the feeler lever, two support the feeler lever upper end all runs through the rectangular channel, and extends to outside.

Preferably, the installation groove is rotationally connected with a threaded rod, and external threads on two sides of the threaded rod are arranged in opposite directions.

Preferably, the upper ends of the two limiting plates are respectively provided with threaded holes matched with the threaded rods in a penetrating mode, and the threaded rods penetrate through the two threaded holes and are in threaded connection with the side walls of the threaded holes.

Preferably, a driving wheel is arranged in the middle of the threaded rod, and the upper end and the lower end of the driving wheel extend to the outside.

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

1. through running through guiding mouth and the guiding axle that sets up on the joint board, the conflict pole of cooperation both sides can be when making hoisting device drive the road well lid upwards move to certain position, can drive the joint board shrink of both sides to can be convenient dismantle road well lid, make hoisting device to the practicality that road well lid promoted better.

2. The threaded rods arranged in the opposite directions are arranged on the external threads on the two sides in the bearing plate, and the limiting plates on the two sides can be driven to move relatively, so that roads with different sizes can be lifted, and the lifting device is better in applicability to lifting of the road well cover.

Drawings

Fig. 1 is a schematic view of the appearance and structure of a main body of a manhole cover lifting device according to the present utility model;

FIG. 2 is a schematic view of a partial external appearance structure of a manhole cover lifting device according to the present utility model;

fig. 3 is a schematic view of an appearance structure of a fastening plate of a manhole cover lifting device according to the present utility model.

In the figure: 1. a base plate; 2. a universal wheel; 3. a fixed frame; 4. a positioning frame; 5. a carrying plate; 6. a limiting plate; 7. a clamping plate; 8. a cylinder; 9. a limit spring; 10. a guide shaft; 11. a touch-up rod; 12. a threaded rod; 13. and (3) driving wheels.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit or scope of the utility model, which is therefore not limited to the specific embodiments disclosed below.

Referring to fig. 1-3, a road well lid hoisting device, including bed plate 1, bed plate 1 bottom is equipped with a plurality of universal wheels 2, but convenient removal hoisting device, bed plate 1 upper end is equipped with and is the fixed frame 3 of "U" shape, bed plate 1 that is located in the fixed frame 3 runs through and is equipped with the lifting port, fixed frame 3 upper end is equipped with and is the locating frame 4 of "U" shape, locating frame 4 bottom runs through fixed frame 3, and be equipped with loading board 5, loading board 5 runs through and is equipped with the mounting groove, the mounting groove both sides all are equipped with limiting plate 6, rectangular channel has all been seted up to two limiting plate 6 bottom, two rectangular channel one side all are equipped with joint board 7.

Specifically, as shown in fig. 1, the upper end of the fixed frame 3 is provided with an air cylinder 8, the air cylinder 8 is in the prior art, and details are omitted herein, the output end of the air cylinder 8 is arranged at the upper end of the positioning frame 4, and the positioning frame 4 can be driven to move up and down by starting the air cylinder 8.

Specifically, as shown in fig. 3, a plurality of limiting springs 9 are disposed on one side of the two clamping plates 7, the other ends of the limiting springs 9 are disposed on one side of the two rectangular grooves, and the limiting springs 9 can limit the positions of the two clamping plates 7.

In particular, as shown in fig. 1. As shown in fig. 2 and 3, two sides of the two fastening plates 7 are all inclined, and extend to the outside through two rectangular grooves respectively, and the fastening plates 7 are inclined, so that they can better penetrate through the holes on the road well cover.

Specifically, as shown in fig. 3, two joint plates 7 all run through and are equipped with inclined guiding mouth, run through in the guiding mouth and be equipped with guiding axle 10 of looks adaptation, guiding axle 10 both ends all extend to outside to be equipped with and support feeler lever 11, two conflict pole 11 upper ends all run through the rectangular channel, and extend to outside, the guiding mouth that the slope set up, cooperation guiding axle 10 and conflict pole 11, accessible guiding axle 10 drive joint plate 7 and remove, thereby can be convenient dismantle the road manhole cover.

Specifically, as shown in fig. 2, the threaded rod 12 is rotationally connected in the mounting groove, and external threads on two sides of the threaded rod 12 are arranged in opposite directions, so that the limiting plates 6 on two sides can be driven to move in opposite directions.

Specifically, as shown in fig. 2, the upper ends of the two limiting plates 6 are respectively provided with threaded holes matched with the threaded rods 12 in a penetrating manner, the threaded rods 12 are respectively provided with two threaded holes in a penetrating manner, the side walls of the threaded holes are in threaded connection, and the limiting plates 6 on two sides can be driven to move by rotating the threaded rods 12.

Specifically, as shown in fig. 2, a driving wheel 13 is disposed in the middle of the threaded rod 12, and the upper and lower ends of the driving wheel 13 extend to the outside, so that the threaded rod 12 can be conveniently driven to rotate by rotating the driving wheel 13.

When the lifting device is used, firstly, the lifting device is required to be moved to a road well cover to be lifted, then, the driving wheel 13 and the threaded rod 12 are rotated according to the size of the road well cover, the threaded rod 12 can drive the limiting plates 6 on two sides to move relatively, so that the road well cover with different sizes can be adapted, then, the air cylinder 8 is started, the output end of the air cylinder 8 can drive the positioning frame 4 to move downwards, the positioning frame 4 can drive the bearing plate 5 to move downwards, the bearing plate 5 can drive the two limiting plates 6 to move, the two limiting plates 6 can respectively drive the two clamping plates 7 to pass through holes in the road well cover, when the two clamping plates 7 pass through the holes in the road well cover, the two clamping plates 7 can move outwards under the action of the plurality of limiting springs 9 and are clamped at the bottom end of the road well cover, then, the air cylinder 8 can drive the bearing plate 5 and the limiting plates 6 to move upwards, the two clamping plates 7 can lift the road well cover when the road well cover is required to be dismounted from the lifting device, the air cylinder 8 can drive the bearing plate 5 to move upwards, when the bearing plate 5 moves upwards to a certain position, the two clamping plates 7 can abut against the two clamping plates 11 and can move downwards under the guide frame 3, and the guide frame can move downwards, and the two clamping plates can move conveniently and stop the lifting device can move downwards under the guide frame 3.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (8)

1. The utility model provides a road well lid hoisting device, includes bed plate (1), its characterized in that, bed plate (1) bottom is equipped with a plurality of universal wheels (2), bed plate (1) upper end is equipped with fixed frame (3) that are "U" shape, is located fixed frame (3) bed plate (1) run through and are equipped with the promotion mouth, fixed frame (3) upper end is equipped with positioning frame (4) that are "U" shape, positioning frame (4) bottom runs through fixed frame (3) to be equipped with loading board (5), loading board (5) run through and are equipped with the mounting groove, the mounting groove both sides all are equipped with limiting plate (6), two rectangular channel has all been seted up to limiting plate (6) bottom, two rectangular channel one side all is equipped with clamping plate (7).

2. The lifting device for the road manhole cover according to claim 1, wherein an air cylinder (8) is arranged at the upper end of the fixed frame (3), and the output end of the air cylinder (8) is arranged at the upper end of the positioning frame (4).

3. The lifting device for the road manhole cover according to claim 1, wherein a plurality of limiting springs (9) are arranged on one side of each clamping plate (7), and the other ends of the limiting springs (9) are respectively arranged on one side of each rectangular groove.

4. The manhole cover lifting device according to claim 1, wherein one side of each of the two clamping plates (7) is obliquely arranged and extends to the outside through the two rectangular grooves respectively.

5. The lifting device for the road manhole cover according to claim 1, wherein two clamping plates (7) are respectively provided with an inclined guide opening in a penetrating manner, guide shafts (10) which are matched with each other are respectively provided in the guide openings in a penetrating manner, two ends of each guide shaft (10) are respectively extended to the outside and are respectively provided with a contact rod (11), and the upper ends of the two contact rods (11) are respectively provided with a rectangular groove in a penetrating manner and are respectively extended to the outside.

6. The manhole cover lifting device according to claim 1, wherein the installation groove is rotatably connected with a threaded rod (12), and external threads on two sides of the threaded rod (12) are arranged in opposite directions.

7. The manhole cover lifting device according to claim 6, wherein threaded holes matched with the threaded rods (12) are formed in the upper ends of the limiting plates (6) in a penetrating mode, and the threaded rods (12) penetrate through the threaded holes and are in threaded connection with the side walls of the threaded holes.

8. The manhole cover lifting device according to claim 6, wherein a driving wheel (13) is arranged in the middle of the threaded rod (12), and the upper end and the lower end of the driving wheel (13) extend to the outside.