CN210710434U - Manhole cover lifting device - Google Patents
Manhole cover lifting device Download PDFInfo
- Publication number
- CN210710434U CN210710434U CN201921499173.7U CN201921499173U CN210710434U CN 210710434 U CN210710434 U CN 210710434U CN 201921499173 U CN201921499173 U CN 201921499173U CN 210710434 U CN210710434 U CN 210710434U
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- China
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- manhole cover
- lifting device
- clamping mechanism
- wire rope
- steel wire
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Abstract
The utility model aims to provide a manhole cover lifting device, which comprises a lifting mechanism, a clamping mechanism and a gantry support; the lifting mechanism is connected with the clamping mechanism through a steel wire rope, the lifting mechanism is installed on one side of the gantry support, and the clamping mechanism is installed right below the middle position of the gantry support. The device can be better realize well lid promotion operation in the town road work progress.
Description
Technical Field
The utility model relates to a municipal works construction equipment field, concretely relates to inspection shaft well lid hoisting device.
Background
In the municipal road construction process, especially in the laying of road surface course, the promotion of well lid is a more important process, in the surface course of laying, generally carries out bituminous mixture spreading operation earlier, stands on the hot mix bituminous mixture by three-position constructor and uses the crowbar to prize the well lid, and two other constructors are filled the well lid edge, fall the well lid at last and carry out the bucker operation. Because the temperature of the hot-mixed asphalt mixture is higher, the molding is larger, and the well lid is difficult to be vertically and stably pried in the well lid lifting operation process; moreover, the constructors stand on the hot-mix asphalt mixture for a long time, and the working environment is very severe.
Most of the existing manhole cover lifting devices of the inspection well are complex in structure and high in equipment maintenance cost; the use flow is complicated, the efficiency is low, and the practicability is not strong.
Disclosure of Invention
An object of the utility model is to provide an inspection shaft well lid hoisting device aims at solving a plurality of problems that propose among the above-mentioned background art, and well lid promotes the operation in the realization town road work progress that can be better.
The utility model provides a following technical scheme:
a manhole cover lifting device comprises a lifting mechanism, a clamping mechanism and a gantry support; the lifting mechanism is connected with the clamping mechanism through a steel wire rope, the lifting mechanism is installed on one side of the gantry support, and the clamping mechanism is installed right below the middle position of the gantry support.
Preferably, elevating system includes the rocking arm, the rocking arm is connected with the transmission shaft, install stopping mechanism on the transmission shaft, stopping structure right side is provided with drive mechanism, drive mechanism is connected with wire rope.
Preferably, the retaining mechanism comprises a ratchet wheel arranged on the transmission shaft, a pawl is arranged on the side face of the ratchet wheel, and the pawl is rotatably connected with the gantry support.
Preferably, the ratchet wheel is connected with the rotating shaft through threads.
Preferably, the transmission mechanism comprises a driving wheel, the driving wheel and the ratchet wheel are coaxially mounted, a driven wheel is mounted on the driving wheel in a matched mode, the driven wheel is mounted on the hoisting shaft, and a steel wire rope is wound on the hoisting shaft on the left side of the driven wheel.
Preferably, a fixed pulley is arranged in the middle of the gantry support, and the steel wire rope is connected with the clamping mechanism by bypassing the fixed pulley.
Preferably, the clamping mechanism is a three-jaw clamping mechanism.
Preferably, the three-jaw clamping mechanism comprises a center lifting rod connected with the steel wire rope, a center sleeve is sleeved outside the center lifting rod in a sliding mode, three first connecting rods are evenly arranged on the lower portion of the center lifting rod along the circumferential direction, three second connecting rods are evenly arranged on the side face of the center sleeve along the circumferential direction, each first connecting rod and each second connecting rod are connected with a pull jaw together, and the first connecting rods and the second connecting rods are on the same straight line on the pull jaws.
The utility model has the advantages that:
(1) this well lid hoisting device is when the operation, and the rocking arm drives wire rope and twines along the hoist axle, drives central shadoof and rises along central sleeve, and three draw the claw to draw in to the center, grasps the well lid, and wire rope continues to twine on the hoist axle, promotes the well lid. After the well cover is lifted, the set position can be kept not to fall due to the action of the ratchets, when the rocker arm is rotated in the opposite direction, the ratchets move from the rotating shaft and are separated from the ratchets, the steel wire rope is loosened on the hoisting shaft, the steel wire rope is lengthened, the three pulling claws drive the well cover to fall until the well cover is loosened, and the well cover is reset.
(2) The three-jaw clamp has the excellent characteristic of being more and more tight along with the lifting of the well lid.
(3) The stopping mechanism composed of the ratchet wheels can prevent the well lid from suddenly falling after being lifted, so that safety accidents are caused.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a sectional view taken along line a-a of fig. 1.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present application without making any creative effort, shall fall within the protection scope of the present application.
1-2, a manhole cover lifting device, comprising three parts associated with each other: the device comprises a clamping mechanism 1, a lifting mechanism 2 and a gantry support 3; the clamping mechanism 1 is a three-jaw type clamping mechanism and comprises three pull jaws 1-1, three first connecting rods 1-2, three second connecting rods 1-3, a central lifting rod 1-4 and a central sleeve 1-5. The lifting mechanism 2 is a rocker arm type lifting mechanism, the mechanism is arranged on the gantry support 3, the lifting mechanism 2 is connected with a steel wire rope 2-2, and the steel wire rope is connected with a central lifting rod 1-4 through a lifting hook 2-1; the lifting mechanism 2 comprises a lifting hook 2-1, a steel wire rope 2-2, a gear transmission mechanism 2-3, a hoisting shaft 2-4, a ratchet 2-5, a pawl 2-6, a transmission shaft 2-7, a rubber pad 2-8 and a rocker arm 2-9.
In the embodiment, the three pulling claws 1-1 are respectively connected with the central lifting rod 1-4 through the first connecting rods 1-2, and the three pulling claws 1-1 are respectively connected with the central sleeve 1-5 through the second connecting rods 1-3. The central sleeve 1-5 is sleeved on the central lifting rod 1-4, the central lifting rod 1-4 and the central sleeve 1-5 are fixedly connected with three sections of branch heads, and the three branch heads are symmetrically distributed at 120 degrees.
In the embodiment, the rocker arm type lifting mechanism 2 comprises a transmission shaft 2-7, the transmission shaft is connected with rocker arms 2-9, a section of external thread is arranged on the transmission shaft 2-7 and is matched and connected with an internal thread on a ratchet 2-5, rubber pads 2-8 are respectively sleeved on the transmission shaft at the left side and the right side of the ratchet, and a driving wheel 2-3 is arranged on the transmission shaft at the right side of the rubber padsaDriving wheel 2-3aEngaged driven wheel 2-3bDriven wheel 2-3bThe hoisting device is arranged on a hoisting shaft 2-4, and a steel wire rope 2-2 is wound on the hoisting shaft.
For a clearer explanation and description of the utility model of use, the utility model will now be explained in connection with the rocker arm control lift embodiment: when the rocker arm 2-9 rotates forwards, the ratchet wheel teeth push the pawl 2-6 to rotate, the transmission shaft 2-7 rotates along with the pawl, and the driving wheel 2-3 arranged on the transmission shaftaThe well cover clamping device rotates along with the transmission shaft, the driving wheel drives the driven wheel 2-3b to rotate through gear tooth meshing, the hoisting shaft 2-4 is further driven to rotate, and the steel wire rope 2-2 is wound up when the hoisting shaft rotates, so that the well cover is clamped and lifted; when the well lid is lifted to a set height, the rocker arm is not operated any more, if the rocker arms 2-9 are passively rotated reversely under the action of the gravity of the well lid, the ratchet teeth are locked by the pawls 2-6, the ratchet wheels 2-5 cannot rotate, and the transmission shaft in threaded connection with the ratchet wheels 2-5 cannot rotate, so that the height of the well lid is positioned. But the transmission shaft 2-7 can rotate along with the transmission shaft, because the transmission shaft 2-7 is in threaded connection with the ratchet wheel 2-5, if the transmission shaft is rotated in the reverse direction, the ratchet wheel 2-5 can move forwards along the transmission shaft under the dual actions of the pawl 2-6 and the threaded transmission, the transmission shaft rotates to drive the driving wheel 2-3aDriven wheel 2-3 driven by meshingbAnd then the hoisting shaft 2-4 is driven to release the steel wire rope 2-2 to realize the operation of descending and loosening the well cover.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. A manhole cover lifting device is characterized by comprising a lifting mechanism (2), a clamping mechanism (1) and a gantry support (3); the lifting mechanism is connected with the clamping mechanism through a steel wire rope (2-2), the lifting mechanism is installed on one side of the gantry support, and the clamping mechanism is installed right below the middle position of the gantry support.
2. The manhole cover lifting device according to claim 1, wherein the lifting mechanism (2) comprises a rocker arm (2-9), the rocker arm is connected with a transmission shaft (2-7), a stopping mechanism is mounted on the transmission shaft, a transmission mechanism (2-3) is arranged on the right side of the stopping mechanism, and the transmission mechanism is connected with a steel wire rope (2-2).
3. Manhole cover lifting device according to claim 2, wherein the backstop mechanism comprises a ratchet wheel (2-5) mounted on the transmission shaft, and the side of the ratchet wheel is provided with a pawl (2-6) which is rotatably connected with the gantry support (3).
4. Manhole cover lifting device according to claim 3, wherein the ratchet wheel (2-5) is screwed to the drive shaft (2-7).
5. The manhole cover lifting device according to claim 3, wherein the transmission mechanism comprises a driving wheel (2-3 a), the driving wheel and the ratchet wheel are coaxially mounted, a driven wheel (2-3 b) is mounted on the driving wheel in a matching manner, the driven wheel is mounted on a hoisting shaft (2-4), and a steel wire rope (2-2) is wound on the hoisting shaft on the left side of the driven wheel.
6. The manhole cover lifting device according to claim 1, wherein a fixed pulley is arranged in the middle of the gantry support, and the steel wire rope is connected with the clamping mechanism by passing around the fixed pulley.
7. An inspection well lid lifting device according to claim 1, wherein the clamping mechanism is a three-jaw clamping mechanism.
8. The manhole cover lifting device according to claim 7, wherein the three-jaw clamping mechanism comprises a center lifting rod (1-4) connected with the steel wire rope, a center sleeve (1-5) is slidably sleeved outside the center lifting rod, three first connecting rods (1-2) are uniformly arranged at the lower part of the center lifting rod along the circumferential direction, three second connecting rods (1-3) are uniformly arranged at the side surface of the center sleeve along the circumferential direction, each first connecting rod and each second connecting rod are connected with a pull jaw (1-1) together, and the first connecting rods and the second connecting rods on the pull jaws are on the same straight line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921499173.7U CN210710434U (en) | 2019-09-10 | 2019-09-10 | Manhole cover lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921499173.7U CN210710434U (en) | 2019-09-10 | 2019-09-10 | Manhole cover lifting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210710434U true CN210710434U (en) | 2020-06-09 |
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ID=70963068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921499173.7U Active CN210710434U (en) | 2019-09-10 | 2019-09-10 | Manhole cover lifting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210710434U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114737612A (en) * | 2022-05-20 | 2022-07-12 | 济南黄河路桥建设集团有限公司 | Municipal road inspection well installation process |
-
2019
- 2019-09-10 CN CN201921499173.7U patent/CN210710434U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114737612A (en) * | 2022-05-20 | 2022-07-12 | 济南黄河路桥建设集团有限公司 | Municipal road inspection well installation process |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221207 Address after: 250032 No. 1, Huanggang Road, Tianqiao District, Jinan City, Shandong Province Patentee after: JINAN CITY CHENGJIAN MATERIAL DEVELOPMENT SERVICECENTER Address before: No.1, north section of Huanggang Road, Tianqiao District, Jinan City, Shandong Province Patentee before: JINAN YELLOW RIVER BRIDGE CONSTRUTION GROUP Co.,Ltd. |
|
| TR01 | Transfer of patent right |